:root {
    --bg: #081018;
    --bg-deep: #050b11;
    --surface: #0d1a25;
    --surface-2: #112333;
    --surface-3: #162c3e;
    --text: #eaf6ff;
    --muted: #a8bfce;
    --faint: #708897;
    --line: #263f50;
    --line-soft: rgba(104, 168, 255, .16);
    --accent: #65f5d2;
    --accent-2: #68a8ff;
    --accent-3: #ffbd69;
    --accent-4: #d38cff;
    --danger: #ff7e8b;
    --success: #7ce6a2;
    --shadow: 0 24px 70px rgba(0, 0, 0, .28);
    --shadow-soft: 0 12px 36px rgba(0, 0, 0, .18);
    --radius-sm: .6rem;
    --radius: 1rem;
    --radius-lg: 1.5rem;
    --container: 1180px;
    --reading: 780px;
    --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --transition: 180ms ease;
}

html[data-theme="light"] {
    --bg: #edf4f7;
    --bg-deep: #e1ebef;
    --surface: #ffffff;
    --surface-2: #f5f9fb;
    --surface-3: #e7f1f5;
    --text: #0c1d28;
    --muted: #465f6e;
    --faint: #6f8793;
    --line: #bfd1d9;
    --line-soft: rgba(33, 105, 161, .13);
    --accent: #007a67;
    --accent-2: #165fa5;
    --accent-3: #9a5800;
    --accent-4: #7436a3;
    --danger: #b52b3c;
    --success: #147a3a;
    --shadow: 0 24px 70px rgba(24, 54, 70, .14);
    --shadow-soft: 0 12px 36px rgba(24, 54, 70, .10);
}

@media (prefers-color-scheme: light) {
    html[data-theme="system"] {
        --bg: #edf4f7;
        --bg-deep: #e1ebef;
        --surface: #ffffff;
        --surface-2: #f5f9fb;
        --surface-3: #e7f1f5;
        --text: #0c1d28;
        --muted: #465f6e;
        --faint: #6f8793;
        --line: #bfd1d9;
        --line-soft: rgba(33, 105, 161, .13);
        --accent: #007a67;
        --accent-2: #165fa5;
        --accent-3: #9a5800;
        --accent-4: #7436a3;
        --danger: #b52b3c;
        --success: #147a3a;
        --shadow: 0 24px 70px rgba(24, 54, 70, .14);
        --shadow-soft: 0 12px 36px rgba(24, 54, 70, .10);
    }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 6.5rem;
    background: var(--bg-deep);
}

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 12% 8%, rgba(101, 245, 210, .08), transparent 26rem),
        radial-gradient(circle at 88% 14%, rgba(104, 168, 255, .10), transparent 28rem),
        linear-gradient(180deg, var(--bg-deep), var(--bg));
    font-family: var(--sans);
    font-size: 1rem;
    line-height: 1.68;
    min-height: 100vh;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(var(--line-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.5), transparent 70%);
    opacity: .32;
    z-index: -1;
}

img, svg { max-width: 100%; }
button, input, textarea, select { font: inherit; }
a { color: var(--accent); text-underline-offset: .18em; text-decoration-thickness: .08em; }
a:hover { color: var(--accent-2); }
strong { color: var(--text); }
::selection { background: rgba(101, 245, 210, .28); color: var(--text); }

h1, h2, h3, h4 {
    margin: 0 0 .75rem;
    line-height: 1.14;
    letter-spacing: -.025em;
    text-wrap: balance;
}
h1 { font-size: clamp(2.7rem, 7vw, 6.3rem); }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
h3 { font-size: clamp(1.25rem, 2.3vw, 1.65rem); }
h4 { font-size: 1.05rem; }
p { margin: 0 0 1rem; }
ul, ol { padding-left: 1.35rem; }
hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }

.container {
    width: min(calc(100% - 2rem), var(--container));
    margin-inline: auto;
}

.container--reading { width: min(calc(100% - 2rem), var(--reading)); }
.section { padding: clamp(4rem, 8vw, 8rem) 0; position: relative; }
.section--tight { padding: clamp(2.8rem, 5vw, 5rem) 0; }
.section--surface { background: color-mix(in srgb, var(--surface) 78%, transparent); border-block: 1px solid var(--line-soft); }
.section--deep { background: color-mix(in srgb, var(--bg-deep) 90%, transparent); }
.stack > * + * { margin-top: 1.25rem; }
.stack-lg > * + * { margin-top: 2rem; }
.grid { display: grid; gap: 1.25rem; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.skip-link {
    position: fixed;
    left: 1rem;
    top: .75rem;
    transform: translateY(-160%);
    background: var(--accent);
    color: #03110d;
    padding: .75rem 1rem;
    border-radius: .5rem;
    z-index: 9999;
    font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 1100;
    background: transparent;
}
.reading-progress span {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    box-shadow: 0 0 14px var(--accent);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    background: color-mix(in srgb, var(--bg-deep) 82%, transparent);
    backdrop-filter: blur(18px);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 8px 30px rgba(0,0,0,.12); }
.site-header__inner { min-height: 5rem; display: flex; align-items: center; gap: 1rem; }

.brand { display: inline-flex; align-items: center; gap: .72rem; color: var(--text); text-decoration: none; flex: 0 0 auto; }
.brand:hover { color: var(--text); }
.brand__mark { width: 2.55rem; height: 2.55rem; filter: drop-shadow(0 0 12px rgba(101,245,210,.18)); }
.brand__text { display: inline-flex; align-items: baseline; letter-spacing: -.035em; font-size: 1.05rem; }
.brand__text strong { font-weight: 850; }
.brand__text span { font-weight: 500; color: var(--muted); }
.brand--footer .brand__text { font-size: 1.2rem; }

.primary-nav { display: flex; align-items: center; gap: .18rem; margin-left: auto; }
.primary-nav__link {
    color: var(--muted);
    text-decoration: none;
    font-size: .87rem;
    font-weight: 720;
    padding: .52rem .66rem;
    border-radius: .48rem;
    transition: background var(--transition), color var(--transition);
}
.primary-nav__link:hover, .primary-nav__link.is-active { color: var(--text); background: var(--surface-2); }
.primary-nav__link.is-active { box-shadow: inset 0 -2px 0 var(--accent); }

.nav-toggle { display: none; }
.theme-toggle {
    width: 2.35rem;
    height: 2.35rem;
    border: 1px solid var(--line);
    color: var(--muted);
    background: var(--surface);
    border-radius: 999px;
    cursor: pointer;
    display: grid;
    place-items: center;
    position: relative;
    overflow: hidden;
    flex: 0 0 auto;
}
.theme-toggle span { position: absolute; transition: transform var(--transition), opacity var(--transition); }
html[data-theme="dark"] .theme-toggle__sun { transform: translateY(130%); opacity: 0; }
html[data-theme="light"] .theme-toggle__moon { transform: translateY(-130%); opacity: 0; }

.hero {
    min-height: calc(100vh - 5rem);
    display: grid;
    align-items: center;
    padding: clamp(4rem, 8vw, 8rem) 0;
    position: relative;
}
.hero::after {
    content: "";
    position: absolute;
    width: 34rem;
    height: 34rem;
    right: -12rem;
    top: 6rem;
    border: 1px solid var(--line-soft);
    border-radius: 50%;
    box-shadow: inset 0 0 90px rgba(104,168,255,.05), 0 0 90px rgba(101,245,210,.04);
    pointer-events: none;
}
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .18em;
    font-size: .74rem;
    font-weight: 850;
    margin-bottom: 1.25rem;
}
.eyebrow::before { content: ""; width: 1.5rem; height: 1px; background: currentColor; }
.hero h1 { max-width: 11ch; }
.hero h1 .gradient-text, .gradient-text {
    color: transparent;
    background: linear-gradient(100deg, var(--accent), var(--accent-2) 60%, var(--accent-4));
    background-clip: text;
    -webkit-background-clip: text;
}
.hero__lede { max-width: 67ch; color: var(--muted); font-size: clamp(1.08rem, 1.8vw, 1.3rem); margin: 1.4rem 0 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; }
.hero__meta { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; margin-top: 2.2rem; color: var(--faint); font-size: .86rem; }
.hero__meta span { display: inline-flex; align-items: center; gap: .42rem; }
.hero__meta svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 1.8; }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    min-height: 3rem;
    padding: .72rem 1.05rem;
    border: 1px solid transparent;
    border-radius: .7rem;
    text-decoration: none;
    font-weight: 800;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}
.button svg { width: 1.1rem; height: 1.1rem; fill: none; stroke: currentColor; stroke-width: 2; }
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--accent); color: #04130f; box-shadow: 0 10px 30px rgba(101,245,210,.18); }
.button--primary:hover { color: #04130f; box-shadow: 0 14px 38px rgba(101,245,210,.26); }
.button--secondary { background: var(--surface); color: var(--text); border-color: var(--line); }
.button--secondary:hover { color: var(--text); border-color: var(--accent-2); }
.button--ghost { background: transparent; color: var(--muted); border-color: var(--line); }
.button--small { min-height: 2.35rem; padding: .45rem .75rem; font-size: .83rem; }

.signal-console {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1rem;
    background: linear-gradient(155deg, color-mix(in srgb, var(--surface) 96%, transparent), color-mix(in srgb, var(--surface-2) 90%, transparent));
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}
.signal-console::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, transparent 30%, rgba(101,245,210,.06), transparent 70%); transform: translateX(-100%); animation: console-scan 8s linear infinite; pointer-events: none; }
@keyframes console-scan { to { transform: translateX(100%); } }
.signal-console__bar { display: flex; align-items: center; gap: .45rem; padding: .25rem .25rem .9rem; border-bottom: 1px solid var(--line); color: var(--faint); font-family: var(--mono); font-size: .72rem; }
.signal-console__dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--line); }
.signal-console__dot:nth-child(1) { background: var(--danger); }
.signal-console__dot:nth-child(2) { background: var(--accent-3); }
.signal-console__dot:nth-child(3) { background: var(--success); }
.signal-console__title { margin-left: .4rem; }
.perception-row { margin-top: .85rem; padding: 1rem; border: 1px solid var(--line); background: color-mix(in srgb, var(--surface-2) 70%, transparent); border-radius: .8rem; }
.perception-row__head { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: .55rem; }
.perception-row__head span:first-child { color: var(--accent-2); font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; font-weight: 800; }
.perception-row__head span:last-child { color: var(--faint); font-size: .72rem; }
.perception-row__value { font-family: var(--mono); font-size: .95rem; color: var(--text); overflow-wrap: anywhere; }
.perception-row--gap { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); background: color-mix(in srgb, var(--accent) 7%, var(--surface-2)); }
.bitline { display: flex; gap: .32rem; flex-wrap: wrap; }
.bitline i { font-style: normal; display: grid; place-items: center; width: 1.55rem; height: 1.55rem; border-radius: .35rem; background: var(--surface-3); color: var(--muted); font-size: .72rem; }
.bitline i:nth-child(3n) { color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }

.section-heading { max-width: 770px; margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.section-heading p { color: var(--muted); font-size: 1.08rem; }
.section-heading--center { text-align: center; margin-inline: auto; }
.section-kicker { color: var(--accent-2); text-transform: uppercase; letter-spacing: .16em; font-size: .73rem; font-weight: 850; margin-bottom: .7rem; }

.definition-panel {
    display: grid;
    grid-template-columns: .75fr 1.25fr;
    gap: 2rem;
    align-items: stretch;
    border: 1px solid var(--line);
    background: linear-gradient(135deg, var(--surface), color-mix(in srgb, var(--surface-2) 80%, transparent));
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}
.definition-panel__label { padding: 2rem; background: color-mix(in srgb, var(--accent-2) 9%, var(--surface)); display: flex; flex-direction: column; justify-content: space-between; }
.definition-panel__label small { color: var(--accent-2); text-transform: uppercase; letter-spacing: .15em; font-weight: 850; }
.definition-panel__label strong { font-family: var(--mono); font-size: clamp(1.5rem, 4vw, 3rem); color: var(--text); line-height: 1; }
.definition-panel__body { padding: clamp(2rem, 4vw, 3.5rem); }
.definition-panel__body blockquote { margin: 0; font-size: clamp(1.25rem, 2vw, 1.65rem); line-height: 1.45; font-weight: 680; }
.definition-panel__body p { color: var(--muted); margin-top: 1rem; }

.domain-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.15rem; }
.domain-card {
    position: relative;
    padding: 1.45rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    min-height: 100%;
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.domain-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent-2) 55%, var(--line)); box-shadow: var(--shadow-soft); }
.domain-card::after { content: attr(data-number); position: absolute; right: .8rem; top: .2rem; font-family: var(--mono); font-size: 4rem; line-height: 1; color: color-mix(in srgb, var(--accent-2) 10%, transparent); font-weight: 900; }
.domain-card__icon { width: 2.6rem; height: 2.6rem; display: grid; place-items: center; background: color-mix(in srgb, var(--accent) 10%, var(--surface-2)); border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line)); border-radius: .65rem; margin-bottom: 1rem; color: var(--accent); }
.domain-card__icon svg { width: 1.4rem; height: 1.4rem; fill: none; stroke: currentColor; stroke-width: 1.7; }
.domain-card p { color: var(--muted); }
.domain-card ul { margin: 1rem 0; color: var(--muted); font-size: .9rem; }
.domain-card__question { display: block; padding-top: .85rem; border-top: 1px solid var(--line); color: var(--accent-2); font-size: .82rem; font-weight: 750; }

.rule-callout {
    border: 1px solid color-mix(in srgb, var(--accent) 50%, var(--line));
    border-radius: var(--radius-lg);
    background: linear-gradient(130deg, color-mix(in srgb, var(--accent) 8%, var(--surface)), color-mix(in srgb, var(--accent-2) 8%, var(--surface)));
    padding: clamp(2rem, 5vw, 4rem);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.rule-callout::before, .rule-callout::after { content: ""; position: absolute; width: 12rem; height: 12rem; border: 1px solid var(--line); transform: rotate(45deg); opacity: .28; }
.rule-callout::before { left: -7rem; top: -5rem; }
.rule-callout::after { right: -7rem; bottom: -5rem; }
.rule-callout h2 { max-width: 20ch; margin-inline: auto; }
.rule-callout p { max-width: 66ch; margin: 1rem auto 0; color: var(--muted); }

.distinction-card { padding: 1.4rem; border-left: 3px solid var(--accent-2); background: var(--surface); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; box-shadow: var(--shadow-soft); }
.distinction-card:nth-child(2) { border-color: var(--accent); }
.distinction-card:nth-child(3) { border-color: var(--accent-3); }
.distinction-card:nth-child(4) { border-color: var(--accent-4); }
.distinction-card p { color: var(--muted); }

.page-hero { padding: clamp(4.5rem, 8vw, 7.5rem) 0 clamp(3rem, 6vw, 5rem); border-bottom: 1px solid var(--line-soft); }
.page-hero__grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); gap: 3rem; align-items: end; }
.page-hero h1 { font-size: clamp(2.8rem, 6vw, 5.2rem); max-width: 14ch; }
.page-hero__lede { color: var(--muted); max-width: 68ch; font-size: 1.12rem; }
.page-hero__aside { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.35rem; background: var(--surface); }
.page-hero__aside strong { display: block; color: var(--accent); margin-bottom: .35rem; }
.page-hero__aside p { color: var(--muted); font-size: .92rem; }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; margin-bottom: 1.25rem; color: var(--faint); font-size: .82rem; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs span[aria-current] { color: var(--text); }

.prose { max-width: var(--reading); }
.prose > * + * { margin-top: 1.15rem; }
.prose p, .prose li { color: var(--muted); }
.prose h2 { margin-top: 3.5rem; }
.prose h3 { margin-top: 2.5rem; }
.prose blockquote {
    margin: 2rem 0;
    padding: 1.3rem 1.5rem;
    border-left: 4px solid var(--accent);
    background: var(--surface);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 1.08rem;
}

.split-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.sticky-nav { position: sticky; top: 7rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 1rem; }
.sticky-nav h2 { font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; color: var(--faint); }
.sticky-nav a { display: block; padding: .46rem .6rem; color: var(--muted); text-decoration: none; border-radius: .4rem; font-size: .88rem; }
.sticky-nav a:hover { background: var(--surface-2); color: var(--text); }

.formal-model {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    align-items: center;
}
.formal-model__view { padding: 1.2rem; border-radius: var(--radius-sm); background: var(--surface-2); min-height: 9rem; }
.formal-model__view small { color: var(--accent-2); font-family: var(--mono); text-transform: uppercase; letter-spacing: .12em; }
.formal-model__view p { margin-top: .5rem; color: var(--muted); }
.formal-model__operator { font-size: 2rem; color: var(--accent); font-family: var(--mono); }

.question-triad { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; counter-reset: triad; }
.question-triad article { counter-increment: triad; padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.question-triad article::before { content: "0" counter(triad); display: block; color: var(--accent-2); font-family: var(--mono); font-weight: 800; margin-bottom: .7rem; }
.question-triad p { color: var(--muted); }

.matrix-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.matrix-card__header { padding: 1.1rem 1.3rem; background: var(--surface-2); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: .75rem; }
.matrix-card__header span { color: var(--accent-2); font-family: var(--mono); font-size: .78rem; }
.matrix-card__body { padding: 1.3rem; }
.matrix-card__body p { color: var(--muted); }
.fact-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.fact-list li { position: relative; padding-left: 1.4rem; color: var(--muted); margin: .45rem 0; }
.fact-list li::before { content: ""; position: absolute; left: 0; top: .68em; width: .55rem; height: 1px; background: var(--accent); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin: 1.5rem 0; }
table { width: 100%; border-collapse: collapse; min-width: 680px; font-size: .91rem; }
th, td { padding: .9rem 1rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { color: var(--text); background: var(--surface-2); font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; }
td { color: var(--muted); }
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: color-mix(in srgb, var(--accent-2) 4%, transparent); }

.channel-section { display: grid; grid-template-columns: 120px minmax(0,1fr); gap: clamp(1.5rem, 4vw, 3rem); padding: 3rem 0; border-top: 1px solid var(--line); }
.channel-section:first-child { border-top: 0; }
.channel-section__number { font: 900 clamp(3rem, 7vw, 6rem)/1 var(--mono); color: color-mix(in srgb, var(--accent-2) 22%, transparent); }
.channel-section__content > p { color: var(--muted); max-width: 75ch; }
.channel-facts { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: .75rem; margin: 1.5rem 0; }
.channel-fact { padding: 1rem; background: var(--surface); border: 1px solid var(--line); border-radius: .75rem; }
.channel-fact small { display: block; color: var(--faint); text-transform: uppercase; letter-spacing: .1em; font-size: .67rem; font-weight: 800; }
.channel-fact strong { display: block; margin-top: .35rem; font-size: .9rem; }
.example-box { margin-top: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.example-box__head { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 1rem; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.example-box__head strong { font-size: .82rem; }
.example-box__head span { color: var(--accent); font-family: var(--mono); font-size: .72rem; }
.example-box__body { padding: 1.15rem; background: var(--surface); }
.example-box__body p { color: var(--muted); }

.code-shell { position: relative; margin: 1.3rem 0; }
pre {
    margin: 0;
    padding: 1.1rem 1.2rem;
    background: #071018;
    color: #dff8f0;
    border: 1px solid #263f50;
    border-radius: .78rem;
    overflow: auto;
    font-family: var(--mono);
    font-size: .85rem;
    line-height: 1.6;
    tab-size: 4;
}
html[data-theme="light"] pre { background: #10212d; color: #effcff; }
code { font-family: var(--mono); font-size: .9em; background: color-mix(in srgb, var(--accent-2) 10%, var(--surface-2)); padding: .12em .35em; border-radius: .3em; overflow-wrap: anywhere; }
pre code { background: transparent; padding: 0; border-radius: 0; font-size: inherit; }
.copy-code { position: absolute; top: .55rem; right: .55rem; border: 1px solid #365365; background: #10212d; color: #cfe6f2; border-radius: .4rem; padding: .32rem .5rem; cursor: pointer; font-size: .72rem; }
.formula-block { white-space: pre-wrap; color: var(--accent); }

.badge { display: inline-flex; align-items: center; min-height: 1.7rem; padding: .22rem .55rem; border-radius: 999px; font-size: .68rem; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; border: 1px solid var(--line); color: var(--muted); }
.badge--established { color: var(--success); border-color: color-mix(in srgb, var(--success) 45%, var(--line)); background: color-mix(in srgb, var(--success) 8%, transparent); }
.badge--published { color: var(--accent-2); border-color: color-mix(in srgb, var(--accent-2) 45%, var(--line)); background: color-mix(in srgb, var(--accent-2) 8%, transparent); }
.badge--frontier { color: var(--accent-3); border-color: color-mix(in srgb, var(--accent-3) 45%, var(--line)); background: color-mix(in srgb, var(--accent-3) 8%, transparent); }
.badge--conceptual { color: var(--accent-4); border-color: color-mix(in srgb, var(--accent-4) 45%, var(--line)); background: color-mix(in srgb, var(--accent-4) 8%, transparent); }

.case-grid { display: grid; gap: 1.2rem; }
.case-study { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; }
.case-study__header { display: grid; grid-template-columns: auto 1fr auto; gap: 1rem; align-items: center; padding: 1.4rem; background: linear-gradient(100deg, var(--surface-2), var(--surface)); }
.case-study__number { font: 900 1.5rem/1 var(--mono); color: var(--accent-2); }
.case-study__header p { margin: .25rem 0 0; color: var(--muted); font-size: .9rem; }
.case-study__body { padding: clamp(1.3rem, 3vw, 2rem); }
.case-study__body > p { color: var(--muted); }
.proves-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.proves-grid article { border: 1px solid var(--line); border-radius: .75rem; padding: 1rem; }
.proves-grid article:first-child { border-top: 3px solid var(--success); }
.proves-grid article:last-child { border-top: 3px solid var(--accent-3); }
.proves-grid h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; }
.proves-grid p { color: var(--muted); font-size: .9rem; }

.pipeline { display: grid; grid-template-columns: repeat(7, minmax(120px,1fr)); gap: .75rem; overflow-x: auto; padding-bottom: .5rem; }
.pipeline-step { min-width: 140px; position: relative; border: 1px solid var(--line); border-radius: .85rem; background: var(--surface); padding: 1rem; }
.pipeline-step:not(:last-child)::after { content: "→"; position: absolute; right: -.65rem; top: 50%; color: var(--accent-2); z-index: 2; transform: translateY(-50%); }
.pipeline-step span { display: block; font-family: var(--mono); color: var(--accent); font-size: .72rem; margin-bottom: .45rem; }
.pipeline-step p { color: var(--muted); font-size: .82rem; margin: 0; }

.control-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.control-card { padding: 1.25rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.control-card__top { display: flex; align-items: center; gap: .75rem; margin-bottom: .75rem; }
.control-card__icon { width: 2.25rem; height: 2.25rem; display: grid; place-items: center; border-radius: .55rem; background: var(--surface-2); color: var(--accent); }
.control-card__icon svg { width: 1.2rem; fill: none; stroke: currentColor; stroke-width: 1.8; }
.control-card p { color: var(--muted); }

.notice { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.25rem; background: var(--surface); display: flex; gap: .9rem; align-items: flex-start; }
.notice svg { flex: 0 0 auto; width: 1.3rem; margin-top: .15rem; fill: none; stroke: currentColor; stroke-width: 1.8; }
.notice p { margin: 0; color: var(--muted); }
.notice--safe { border-color: color-mix(in srgb, var(--success) 45%, var(--line)); color: var(--success); }
.notice--warning { border-color: color-mix(in srgb, var(--accent-3) 45%, var(--line)); color: var(--accent-3); }
.notice--info { border-color: color-mix(in srgb, var(--accent-2) 45%, var(--line)); color: var(--accent-2); }

.lab-shell { display: grid; grid-template-columns: 230px minmax(0,1fr); gap: 1.25rem; align-items: start; }
.lab-nav { position: sticky; top: 6.5rem; display: grid; gap: .4rem; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: .7rem; }
.lab-nav button { text-align: left; border: 0; border-radius: .5rem; padding: .7rem .75rem; background: transparent; color: var(--muted); cursor: pointer; font-weight: 720; font-size: .86rem; }
.lab-nav button:hover, .lab-nav button[aria-selected="true"] { background: var(--surface-2); color: var(--text); }
.lab-nav button[aria-selected="true"] { box-shadow: inset 3px 0 0 var(--accent); }
.lab-panel { display: none; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; }
.lab-panel.is-active { display: block; animation: panel-in 240ms ease; }
@keyframes panel-in { from { opacity: 0; transform: translateY(4px); } }
.lab-panel__header { padding: 1.4rem 1.5rem; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.lab-panel__header p { color: var(--muted); margin: .35rem 0 0; }
.lab-panel__body { padding: clamp(1.2rem, 3vw, 2rem); }
.lab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.lab-field label { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; color: var(--faint); font-weight: 800; margin-bottom: .45rem; }
.lab-field textarea, .lab-field input[type="text"], .filter-input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: .65rem;
    padding: .8rem .9rem;
    color: var(--text);
    background: var(--bg-deep);
    outline: none;
}
.lab-field textarea { min-height: 9rem; resize: vertical; font-family: var(--mono); font-size: .86rem; }
.lab-field textarea:focus, .lab-field input:focus, .filter-input:focus { border-color: var(--accent-2); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-2) 18%, transparent); }
.lab-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .8rem; }
.lab-output { margin-top: 1rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--bg-deep); padding: 1rem; min-height: 5rem; }
.lab-output h4 { color: var(--accent-2); font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; }
.lab-output pre { border: 0; padding: 0; background: transparent; white-space: pre-wrap; }
.codepoint-table { width: 100%; min-width: 760px; }
.codepoint-table td:first-child { font-family: var(--mono); color: var(--accent); }
.sample-buttons { display: flex; flex-wrap: wrap; gap: .45rem; }
.sample-button { border: 1px solid var(--line); background: var(--surface-2); color: var(--muted); border-radius: .45rem; padding: .42rem .65rem; cursor: pointer; font-size: .78rem; }
.sample-button:hover { border-color: var(--accent-2); color: var(--text); }
.normalization-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .75rem; margin-top: 1rem; }
.normalization-card { border: 1px solid var(--line); border-radius: .65rem; padding: .75rem; background: var(--surface-2); }
.normalization-card strong { display: block; color: var(--accent-2); font-family: var(--mono); font-size: .75rem; }
.normalization-card code { display: block; margin-top: .4rem; white-space: pre-wrap; word-break: break-all; }
.dom-demo { border: 1px dashed var(--line); border-radius: .7rem; padding: 1.2rem; background: var(--surface-2); min-height: 8rem; }
.dom-demo .demo-hidden { display: none; }
.dom-demo .demo-transparent { opacity: 0; position: absolute; pointer-events: none; }
.dom-demo .demo-offscreen { position: absolute; left: -10000px; }
.dom-demo .demo-a11y { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.view-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-top: 1rem; }
.view-comparison article { border: 1px solid var(--line); border-radius: .65rem; padding: .8rem; background: var(--bg-deep); }
.view-comparison h4 { color: var(--accent-2); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.view-comparison pre { border: 0; padding: 0; background: transparent; white-space: pre-wrap; }
.checkbox-list { display: grid; gap: .55rem; }
.checkbox-row { display: flex; align-items: flex-start; gap: .65rem; padding: .75rem; border: 1px solid var(--line); border-radius: .6rem; background: var(--surface-2); }
.checkbox-row input { margin-top: .3rem; accent-color: var(--accent); }
.checkbox-row strong { display: block; font-size: .9rem; }
.checkbox-row small { display: block; color: var(--muted); }
.score-meter { margin-top: 1rem; border: 1px solid var(--line); border-radius: .75rem; padding: 1rem; }
.score-meter__bar { height: .7rem; background: var(--surface-3); border-radius: 999px; overflow: hidden; }
.score-meter__bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--danger), var(--accent-3), var(--success)); transition: width 240ms ease; }
.score-meter__label { display: flex; justify-content: space-between; gap: 1rem; margin-top: .55rem; color: var(--muted); font-size: .85rem; }
.token-chip { display: inline-flex; align-items: center; margin: .18rem; padding: .35rem .5rem; border: 1px solid var(--line); border-radius: .42rem; background: var(--surface-2); font-family: var(--mono); font-size: .78rem; }
.token-chip[data-bit="1"] { border-color: var(--accent); color: var(--accent); }
.risk-list { margin: .8rem 0 0; padding-left: 1.2rem; color: var(--muted); }

.filter-bar { display: flex; gap: .75rem; align-items: center; margin-bottom: 1.5rem; }
.filter-input { max-width: 540px; }
.filter-count { color: var(--faint); font-size: .85rem; }
.research-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; }
.research-card { display: flex; flex-direction: column; min-height: 100%; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 1.2rem; transition: transform var(--transition), border-color var(--transition); }
.research-card:hover { transform: translateY(-3px); border-color: var(--accent-2); }
.research-card__meta { display: flex; justify-content: space-between; align-items: flex-start; gap: .75rem; margin-bottom: .8rem; }
.research-card__category { color: var(--faint); text-transform: uppercase; letter-spacing: .09em; font-size: .67rem; font-weight: 800; }
.research-card h3 { font-size: 1.15rem; }
.research-card p { color: var(--muted); font-size: .9rem; }
.research-card__focus { display: flex; flex-wrap: wrap; gap: .35rem; margin: .2rem 0 1rem; }
.research-card__focus span { border: 1px solid var(--line); background: var(--surface-2); color: var(--faint); border-radius: 999px; padding: .18rem .45rem; font-size: .68rem; }
.research-card__actions { display: flex; gap: .5rem; margin-top: auto; }

.glossary-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .85rem; }
.glossary-item { border: 1px solid var(--line); border-radius: .8rem; background: var(--surface); padding: 1.05rem; }
.glossary-item__top { display: flex; justify-content: space-between; align-items: baseline; gap: .75rem; }
.glossary-item h2 { font-size: 1.05rem; }
.glossary-item span { color: var(--accent-2); font-size: .69rem; text-transform: uppercase; letter-spacing: .08em; }
.glossary-item p { color: var(--muted); font-size: .9rem; margin: .45rem 0 0; }

.report-hero { padding: 3.5rem 0 2.5rem; border-bottom: 1px solid var(--line); }
.report-hero h1 { font-size: clamp(2.2rem,5vw,4.2rem); max-width: 20ch; }
.report-meta { display: flex; flex-wrap: wrap; gap: .75rem 1rem; align-items: center; color: var(--muted); margin-top: 1rem; }
.report-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 3rem; padding: 3rem 0 6rem; align-items: start; }
.report-content { min-width: 0; }
.report-content > h1:first-child { display: none; }
.report-content h1 { font-size: 2.6rem; margin-top: 3rem; }
.report-content h2 { font-size: clamp(1.7rem,3vw,2.35rem); margin-top: 3.8rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.report-content h3 { margin-top: 2.6rem; color: var(--accent-2); }
.report-content h4 { margin-top: 2rem; }
.report-content p, .report-content li { color: var(--muted); }
.report-content blockquote { margin: 1.5rem 0; padding: 1.15rem 1.3rem; border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 .65rem .65rem 0; }
.report-content .source-cite { display: inline-flex; vertical-align: middle; border: 1px solid var(--line); color: var(--faint); border-radius: 999px; padding: .05rem .35rem; font-size: .62rem; text-transform: uppercase; letter-spacing: .05em; }
.report-toc { position: sticky; top: 6.5rem; max-height: calc(100vh - 8rem); overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 1rem; }
.report-toc h2 { font-size: .78rem; text-transform: uppercase; color: var(--faint); letter-spacing: .1em; }
.report-toc a { display: block; color: var(--muted); text-decoration: none; padding: .35rem .45rem; border-radius: .35rem; font-size: .82rem; line-height: 1.35; }
.report-toc a[data-level="3"] { padding-left: 1rem; font-size: .76rem; }
.report-toc a:hover { background: var(--surface-2); color: var(--text); }

.source-list { display: grid; gap: .75rem; }
.source-item { display: grid; grid-template-columns: 150px 1fr auto; gap: 1rem; align-items: start; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface); padding: 1rem; }
.source-item__group { color: var(--accent-2); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; }
.source-item p { color: var(--muted); font-size: .88rem; margin: .25rem 0 0; }
.source-item a svg { width: 1rem; fill: none; stroke: currentColor; stroke-width: 1.8; }

.site-footer { border-top: 1px solid var(--line); background: var(--bg-deep); padding-top: 4rem; }
.site-footer__grid { display: grid; grid-template-columns: 1.5fr .7fr .7fr; gap: 3rem; padding-bottom: 3rem; }
.site-footer__brand p { color: var(--muted); max-width: 58ch; margin-top: 1rem; }
.footer-heading { font-size: .75rem; text-transform: uppercase; letter-spacing: .13em; color: var(--faint); margin-bottom: .8rem; }
.footer-links { display: grid; gap: .4rem; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }
.footer-flags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.2rem; }
.footer-flags span { border: 1px solid var(--line); color: var(--faint); padding: .25rem .5rem; border-radius: 999px; font-size: .68rem; }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); padding: 1.1rem 0 1.6rem; color: var(--faint); font-size: .78rem; }
.site-footer__bottom p { margin: 0; }
.back-to-top { position: fixed; right: 1.2rem; bottom: 1.2rem; width: 2.7rem; height: 2.7rem; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--text); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity var(--transition), transform var(--transition); box-shadow: var(--shadow-soft); }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 500ms ease, transform 500ms ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.no-results { display: none; padding: 2rem; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); }
.no-results.is-visible { display: block; }

@media (max-width: 1080px) {
    .primary-nav__link { padding-inline: .48rem; font-size: .82rem; }
    .domain-grid, .research-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .channel-facts { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .grid--4 { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 1040px) {
    .nav-toggle {
        display: inline-flex;
        align-items: center;
        gap: .55rem;
        margin-left: auto;
        border: 1px solid var(--line);
        border-radius: .55rem;
        padding: .5rem .65rem;
        background: var(--surface);
        color: var(--text);
        cursor: pointer;
    }
    .nav-toggle__label { font-size: .78rem; font-weight: 800; }
    .nav-toggle__lines { display: grid; gap: 3px; }
    .nav-toggle__lines i { display: block; width: 1rem; height: 1px; background: currentColor; }
    .primary-nav {
        display: none;
        position: absolute;
        left: 1rem;
        right: 1rem;
        top: calc(100% + .5rem);
        margin: 0;
        padding: .75rem;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: var(--surface);
        box-shadow: var(--shadow);
        flex-direction: column;
        align-items: stretch;
    }
    .primary-nav.is-open { display: flex; }
    .primary-nav__link { padding: .75rem; }
    .hero { min-height: auto; }
    .hero__grid, .page-hero__grid, .definition-panel, .split-layout, .report-layout { grid-template-columns: 1fr; }
    .hero h1 { max-width: 13ch; }
    .hero__visual { max-width: 650px; }
    .definition-panel__label { min-height: 12rem; }
    .sticky-nav, .report-toc { position: static; max-height: none; }
    .formal-model { grid-template-columns: 1fr; }
    .formal-model__operator { transform: rotate(90deg); justify-self: center; }
    .question-triad { grid-template-columns: 1fr; }
    .channel-section { grid-template-columns: 80px minmax(0,1fr); }
    .lab-shell { grid-template-columns: 1fr; }
    .lab-nav { position: static; grid-template-columns: repeat(3,minmax(0,1fr)); }
    .lab-nav button { text-align: center; }
    .source-item { grid-template-columns: 1fr auto; }
    .source-item__group { grid-column: 1 / -1; }
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
    .site-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
    .container { width: min(calc(100% - 1.2rem), var(--container)); }
    .site-header__inner { min-height: 4.5rem; }
    .brand__text { font-size: .94rem; }
    .brand__mark { width: 2.25rem; height: 2.25rem; }
    h1 { font-size: clamp(2.5rem, 15vw, 4.2rem); }
    .hero__actions, .hero__actions .button { width: 100%; }
    .hero__meta { display: grid; }
    .grid--2, .grid--3, .grid--4, .domain-grid, .research-grid, .glossary-grid, .control-grid, .lab-grid, .normalization-grid, .view-comparison, .proves-grid { grid-template-columns: 1fr; }
    .channel-section { grid-template-columns: 1fr; }
    .channel-section__number { font-size: 3rem; }
    .channel-facts { grid-template-columns: 1fr; }
    .case-study__header { grid-template-columns: auto 1fr; }
    .case-study__header .badge { grid-column: 2; justify-self: start; }
    .lab-nav { display: flex; overflow-x: auto; }
    .lab-nav button { flex: 0 0 auto; }
    .filter-bar { align-items: stretch; flex-direction: column; }
    .source-item { grid-template-columns: 1fr; }
    .site-footer__grid { grid-template-columns: 1fr; gap: 2rem; }
    .site-footer__brand { grid-column: auto; }
    .site-footer__bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .001ms !important; }
    [data-reveal] { opacity: 1; transform: none; }
}

@media print {
    :root { --bg: #fff; --bg-deep: #fff; --surface: #fff; --surface-2: #f6f6f6; --text: #000; --muted: #333; --line: #bbb; }
    body { background: #fff; color: #000; font-size: 10.5pt; }
    body::before, .site-header, .site-footer, .back-to-top, .reading-progress, .hero__visual, .sticky-nav, .report-toc, .lab-nav, .button { display: none !important; }
    main, .section, .page-hero { padding: 0; }
    a { color: #000; text-decoration: underline; }
    .container, .container--reading { width: 100%; }
    .domain-grid, .research-grid, .grid--2, .grid--3 { grid-template-columns: 1fr 1fr; }
    .domain-card, .case-study, .control-card, .definition-panel { break-inside: avoid; box-shadow: none; }
    pre { white-space: pre-wrap; }
}
.hero__actions--center { justify-content: center; margin-top: 1.5rem; }

/* Contain decorative and min-content overflow at every viewport. */
html { overflow-x: clip; }
.hero { overflow: clip; }
.lab-shell > *, .lab-panels { min-width: 0; }
.table-wrap { max-width: 100%; }

/* SEO topic guides, prompt attachments, and worked demo components. */
.hero--seo h1 { max-width: 14.5ch; }
.hero--seo .hero__lede { max-width: 72ch; }
.topic-page .page-hero h1, .attachments-page .page-hero h1 { max-width: 16ch; }

.topic-guide-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}
.topic-guide-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: 1.35rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(145deg, var(--surface), color-mix(in srgb, var(--surface-2) 62%, transparent));
    color: var(--text);
    text-decoration: none;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.topic-guide-card::after {
    content: "";
    position: absolute;
    inset: auto -3rem -4rem auto;
    width: 8rem;
    height: 8rem;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent-2) 24%, transparent), transparent 70%);
    pointer-events: none;
}
.topic-guide-card:hover { transform: translateY(-4px); border-color: var(--accent-2); box-shadow: var(--shadow); color: var(--text); }
.topic-guide-card__eyebrow { color: var(--accent-2); font-size: .68rem; font-weight: 850; letter-spacing: .12em; }
.topic-guide-card h3 { margin-top: .7rem; font-size: 1.25rem; }
.topic-guide-card p { color: var(--muted); font-size: .91rem; flex: 1; }
.topic-guide-card__link { display: inline-flex; align-items: center; gap: .4rem; color: var(--accent); font-size: .82rem; font-weight: 800; }
.topic-guide-card__link svg { width: 1rem; fill: none; stroke: currentColor; stroke-width: 2; }

.demo-entry-card,
.download-card,
.comparison-card,
.prompt-card,
.step-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}
.demo-entry-card { padding: 1.35rem; }
.demo-entry-card h3 { margin-top: .65rem; }
.demo-entry-card p { color: var(--muted); }
.demo-entry-card pre { font-size: .82rem; }

.faq-list { display: grid; gap: .75rem; }
.faq-item { border: 1px solid var(--line); border-radius: .8rem; background: var(--surface); overflow: clip; }
.faq-item summary { position: relative; cursor: pointer; list-style: none; padding: 1rem 3.2rem 1rem 1.15rem; font-weight: 800; color: var(--text); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 1.15rem; top: .72rem; color: var(--accent); font-size: 1.45rem; font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item[open] summary { border-bottom: 1px solid var(--line); background: var(--surface-2); }
.faq-item p { margin: 0; padding: 1rem 1.15rem 1.15rem; color: var(--muted); }

.prompt-grid { align-items: stretch; }
.prompt-card { padding: 1.25rem; min-width: 0; }
.prompt-card--wide { max-width: 980px; margin-inline: auto; }
.prompt-card__header { display: flex; flex-wrap: wrap; align-items: center; gap: .65rem; margin-bottom: .85rem; }
.prompt-card__header span { color: var(--accent); border: 1px solid var(--line); border-radius: 999px; padding: .18rem .48rem; font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; }
.prompt-card__header h3 { margin: 0; }
.prompt-card pre { white-space: pre-wrap; overflow-wrap: anywhere; max-height: none; margin: 0 0 1rem; color: var(--muted); background: var(--bg-deep); border: 1px solid var(--line); }

.step-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .8rem; }
.step-card { padding: 1rem; min-width: 0; }
.step-card > span { display: inline-flex; color: var(--accent); font-family: var(--mono); font-size: .75rem; font-weight: 800; border-bottom: 1px solid var(--accent); }
.step-card h3 { font-size: 1rem; margin-top: .8rem; }
.step-card p { color: var(--muted); font-size: .84rem; }

.attachment-builder { display: grid; grid-template-columns: minmax(280px, .75fr) minmax(0, 1.25fr); gap: 1rem; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1rem; background: var(--surface); box-shadow: var(--shadow); }
.attachment-builder__controls, .attachment-builder__preview { min-width: 0; padding: .75rem; }
.attachment-builder__preview { border-left: 1px solid var(--line); }
.attachment-builder__preview h3 { font-size: .78rem; color: var(--accent-2); text-transform: uppercase; letter-spacing: .09em; margin-bottom: .5rem; }
.attachment-builder textarea { width: 100%; min-height: 13rem; resize: vertical; border: 1px solid var(--line); border-radius: .65rem; background: var(--bg-deep); color: var(--text); padding: .85rem; font-family: var(--mono); font-size: .82rem; line-height: 1.5; }
.attachment-builder__meta { margin-top: .9rem; padding: .75rem; border: 1px solid var(--line); border-radius: .6rem; color: var(--muted); font-size: .82rem; background: var(--bg-deep); }
.attachment-builder__preview pre { min-height: 7rem; max-height: 22rem; white-space: pre-wrap; overflow: auto; overflow-wrap: anywhere; font-size: .72rem; }
.lab-field--spaced { margin-top: .9rem; }
.lab-field select,
.attachment-builder select {
    width: 100%;
    min-height: 2.8rem;
    border: 1px solid var(--line);
    border-radius: .6rem;
    background: var(--bg-deep);
    color: var(--text);
    padding: .58rem .7rem;
}

.download-hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr); gap: 2rem; align-items: center; padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--accent); border-radius: var(--radius-lg); background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, var(--surface)), var(--surface)); box-shadow: var(--shadow); }
.download-hero p { color: var(--muted); }
.download-hero__actions { display: flex; flex-direction: column; align-items: stretch; gap: .6rem; }
.download-card { display: flex; flex-direction: column; padding: 1.2rem; }
.download-card > div { display: flex; align-items: center; gap: .7rem; }
.download-card > div svg { width: 1.35rem; fill: none; stroke: var(--accent); stroke-width: 1.8; }
.download-card h3 { margin: 0; }
.download-card p { color: var(--muted); flex: 1; }
.attachment-table-wrap { margin-top: 1.2rem; }
.attachment-table td:first-child { min-width: 220px; }
.attachment-table td:last-child { white-space: nowrap; }

.comparison-card { padding: 1.3rem; }
.comparison-card h3 { color: var(--accent-2); }
.comparison-card p, .comparison-card li, .comparison-card dd { color: var(--muted); }
.definition-list { display: grid; gap: .7rem; }
.definition-list > div { display: grid; grid-template-columns: 105px 1fr; gap: .75rem; border-bottom: 1px solid var(--line); padding-bottom: .7rem; }
.definition-list > div:last-child { border-bottom: 0; }
.definition-list dt { color: var(--accent); font-weight: 800; }
.definition-list dd { margin: 0; }
.mini-demo-grid { margin-top: 1rem; }

.site-footer__grid--seo { grid-template-columns: 1.4fr .75fr .75fr .65fr; gap: 2rem; }

@media (max-width: 1120px) {
    .topic-guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .step-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .site-footer__grid--seo { grid-template-columns: 1.2fr 1fr 1fr; }
    .site-footer__grid--seo .site-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 1040px) {
    .attachment-builder { grid-template-columns: 1fr; }
    .attachment-builder__preview { border-left: 0; border-top: 1px solid var(--line); }
    .download-hero { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
    .topic-guide-grid, .step-grid { grid-template-columns: 1fr; }
    .definition-list > div { grid-template-columns: 1fr; gap: .2rem; }
    .site-footer__grid--seo { grid-template-columns: 1fr; }
    .site-footer__grid--seo .site-footer__brand { grid-column: auto; }
    .attachment-table td:first-child { min-width: 160px; }
}


@media (max-width: 360px) {
    .site-header__inner { gap: .45rem; }
    .nav-toggle { padding: .52rem; gap: 0; }
    .nav-toggle__label { display: none; }
}

/* ==========================================================
   UI/UX base release 2026-08-21-uiux-1; cinematic hero 2026-08-21-cinematic-1
   Instrument-first navigation, resilient icons, live Machine View,
   global search, compact mobile hierarchy, and progressive enhancement.
   ========================================================== */

:where(a, button, input, textarea, select, summary):focus-visible {
    outline: 3px solid var(--accent-2);
    outline-offset: 3px;
}

.icon {
    display: block;
    width: 1.15em;
    height: 1.15em;
    min-width: 1.15em;
    max-width: 1.15em;
    max-height: 1.15em;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
}

.button .icon,
.text-link .icon,
.instrument-link .icon,
.task-card strong .icon,
.experiment-card__actions .icon {
    width: 1.05em;
    height: 1.05em;
    min-width: 1.05em;
}

[data-reveal] {
    opacity: 1;
    transform: none;
}

.js [data-reveal],
.js [data-reveal].is-visible {
    opacity: 1;
    transform: none;
    transition: none;
}

body.nav-open,
body.search-open {
    overflow: hidden;
}

.site-header__inner {
    min-height: 4.65rem;
}

.primary-nav {
    gap: .18rem;
}

.nav-group {
    position: relative;
}

.nav-group > summary {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    min-height: 2.7rem;
    padding: .55rem .62rem;
    border-radius: .55rem;
    color: var(--muted);
    font-size: .87rem;
    font-weight: 760;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.nav-group > summary::-webkit-details-marker { display: none; }
.nav-group > summary .icon { width: .85rem; height: .85rem; min-width: .85rem; transition: transform var(--transition); }
.nav-group[open] > summary .icon { transform: rotate(180deg); }
.nav-group > summary:hover,
.nav-group[open] > summary,
.nav-group.is-active > summary {
    color: var(--text);
    background: var(--surface-2);
}
.nav-group.is-active > summary { box-shadow: inset 0 -2px 0 var(--accent); }

.nav-group__panel {
    position: absolute;
    z-index: 1200;
    top: calc(100% + .55rem);
    left: 0;
    width: min(29rem, calc(100vw - 2rem));
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .45rem;
    padding: .65rem;
    border: 1px solid var(--line);
    border-radius: .9rem;
    background: color-mix(in srgb, var(--surface) 96%, transparent);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.nav-group__item {
    display: grid;
    gap: .15rem;
    min-width: 0;
    padding: .75rem;
    border: 1px solid transparent;
    border-radius: .65rem;
    color: var(--text);
    text-decoration: none;
}
.nav-group__item strong { font-size: .86rem; }
.nav-group__item span { color: var(--muted); font-size: .73rem; line-height: 1.35; }
.nav-group__item:hover,
.nav-group__item.is-active {
    color: var(--text);
    border-color: var(--line);
    background: var(--surface-2);
}

.primary-nav__link {
    display: inline-flex;
    align-items: center;
    gap: .38rem;
    min-height: 2.7rem;
}
.primary-nav__link--tool {
    color: #04130f;
    background: var(--accent);
    box-shadow: 0 8px 22px rgba(101, 245, 210, .14);
}
.primary-nav__link--tool:hover,
.primary-nav__link--tool.is-active {
    color: #04130f;
    background: color-mix(in srgb, var(--accent) 84%, white);
}
.primary-nav__link--search kbd {
    padding: .05rem .3rem;
    border: 1px solid var(--line);
    border-bottom-width: 2px;
    border-radius: .28rem;
    color: var(--faint);
    background: var(--surface-2);
    font-family: var(--mono);
    font-size: .65rem;
}

.icon-button {
    display: inline-grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--text);
    background: var(--surface-2);
    cursor: pointer;
}

.site-search {
    width: min(760px, calc(100% - 1.2rem));
    max-height: min(82vh, 760px);
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 1.15rem;
    color: var(--text);
    background: var(--surface);
    box-shadow: 0 34px 110px rgba(0, 0, 0, .48);
    overflow: hidden;
}
.site-search::backdrop { background: rgba(2, 8, 13, .72); backdrop-filter: blur(8px); }
.site-search__shell { display: grid; max-height: min(82vh, 760px); }
.site-search__header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.2rem 1.2rem .9rem;
    border-bottom: 1px solid var(--line);
}
.site-search__header h2 { font-size: clamp(1.25rem, 3vw, 1.75rem); margin: 0; }
.site-search__header .section-kicker { margin-bottom: .3rem; }
.site-search__form,
.search-page-form__row {
    position: relative;
    display: flex;
    align-items: center;
    gap: .65rem;
}
.site-search__form { padding: 1rem 1.2rem .6rem; }
.site-search__form > .icon,
.search-page-form__row > .icon {
    position: absolute;
    left: 1rem;
    color: var(--faint);
    pointer-events: none;
}
.site-search__form input,
.search-page-form__row input {
    width: 100%;
    min-width: 0;
    min-height: 3.2rem;
    padding: .72rem 1rem .72rem 2.75rem;
    border: 1px solid var(--line);
    border-radius: .72rem;
    color: var(--text);
    background: var(--bg-deep);
}
.site-search__status { margin: 0; padding: .25rem 1.2rem .75rem; color: var(--muted); font-size: .82rem; }
.site-search__results { display: grid; gap: .45rem; min-height: 0; padding: 0 1.2rem 1rem; overflow: auto; }
.site-search__results--page { padding-inline: 0; overflow: visible; }
.search-result {
    display: grid;
    gap: .18rem;
    padding: .85rem .95rem;
    border: 1px solid var(--line);
    border-radius: .72rem;
    color: var(--text);
    background: var(--surface-2);
    text-decoration: none;
}
.search-result:hover,
.search-result:focus-visible { color: var(--text); border-color: var(--accent-2); background: var(--surface-3); }
.search-result__type { color: var(--accent-2); font-size: .65rem; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.search-result__description { color: var(--muted); font-size: .84rem; line-height: 1.45; }
.site-search__footer {
    display: flex;
    gap: 1rem;
    padding: .7rem 1.2rem;
    border-top: 1px solid var(--line);
    color: var(--faint);
    font-size: .72rem;
}
.site-search__footer span { display: inline-flex; align-items: center; gap: .25rem; }
.site-search__footer kbd { padding: .05rem .28rem; border: 1px solid var(--line); border-radius: .25rem; background: var(--surface-2); }
.search-page-form { display: grid; gap: .55rem; margin-bottom: 1rem; }
.search-page-form > label { font-weight: 800; }
.search-page-form__row .button { flex: 0 0 auto; }

.hero--workbench {
    min-height: auto;
    padding: clamp(3.6rem, 7vw, 6.2rem) 0 clamp(3.8rem, 7vw, 6.4rem);
}
.hero--workbench::after { width: 28rem; height: 28rem; opacity: .72; }
.hero__grid--workbench { grid-template-columns: minmax(0, 1.02fr) minmax(390px, .98fr); gap: clamp(2.4rem, 5vw, 5rem); }
.hero--workbench h1 { max-width: 12ch; font-size: clamp(3.4rem, 6.6vw, 5.8rem); }
.hero__statement { display: block; margin-top: .18em; color: var(--text); font-size: .62em; line-height: 1.05; letter-spacing: -.04em; }
.hero--workbench .hero__lede { max-width: 62ch; margin-block: 1.25rem 1.65rem; font-size: clamp(1.03rem, 1.6vw, 1.2rem); }
.text-link { display: inline-flex; align-items: center; gap: .4rem; min-height: 3rem; padding-inline: .25rem; font-weight: 800; }

.hero-inspector {
    position: relative;
    min-width: 0;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 1.25rem;
    background: linear-gradient(155deg, color-mix(in srgb, var(--surface) 96%, transparent), color-mix(in srgb, var(--surface-2) 92%, transparent));
    box-shadow: var(--shadow);
    overflow: hidden;
}
.hero-inspector::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(120deg, transparent 30%, rgba(101, 245, 210, .055), transparent 70%);
    transform: translateX(-100%);
    animation: console-scan 9s linear infinite;
}
.hero-inspector__header { position: relative; display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: .8rem; }
.hero-inspector__header h2 { font-size: 1.15rem; margin: .15rem 0 0; }
.instrument-label { color: var(--accent-2); font-family: var(--mono); font-size: .66rem; font-weight: 850; letter-spacing: .12em; }
.instrument-label--human { color: var(--accent); }
.instrument-label--machine { color: var(--accent-2); }
.instrument-label--structure { color: var(--accent-4); }
.instrument-label--warning { color: var(--accent-3); }
.status-pill { flex: 0 0 auto; padding: .22rem .5rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--bg-deep); font-size: .66rem; }
.status-pill[data-state="processing"] { color: var(--accent-3); border-color: var(--accent-3); }
.status-pill[data-state="complete"] { color: var(--success); border-color: var(--success); }
.hero-inspector__input-label { display: block; margin-bottom: .35rem; color: var(--muted); font-size: .76rem; font-weight: 750; }
.hero-inspector textarea {
    position: relative;
    width: 100%;
    min-height: 4.75rem;
    resize: vertical;
    padding: .75rem .8rem;
    border: 1px solid var(--line);
    border-radius: .7rem;
    color: var(--text);
    background: var(--bg-deep);
    font: .9rem/1.5 var(--mono);
}
.sample-buttons--compact { margin-block: .55rem .75rem; }
.sample-buttons--compact .sample-button { padding: .3rem .5rem; font-size: .68rem; }
.sample-button--cancel { margin-left: auto; }
.inspector-tabs { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .32rem; padding: .3rem; border: 1px solid var(--line); border-radius: .7rem; background: var(--bg-deep); }
.inspector-tabs button { min-height: 2.25rem; border: 0; border-radius: .48rem; color: var(--muted); background: transparent; font-size: .72rem; font-weight: 800; cursor: pointer; }
.inspector-tabs button[aria-selected="true"] { color: var(--text); background: var(--surface-3); box-shadow: inset 0 -2px 0 var(--accent); }
.inspector-panels { position: relative; min-height: 9.4rem; margin-top: .65rem; }
.inspector-panel { min-height: 9.4rem; padding: .8rem; border: 1px solid var(--line); border-radius: .72rem; background: color-mix(in srgb, var(--surface-2) 74%, transparent); }
.inspector-human { margin: .8rem 0 .55rem; font-size: 1.12rem; font-weight: 700; }
.inspector-escape { margin: 0; color: var(--muted); font-size: .75rem; }
.inspector-token-list { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .7rem; max-height: 7rem; overflow: auto; }
.inspector-token { display: inline-flex; padding: .28rem .4rem; border: 1px solid var(--line); border-radius: .38rem; color: var(--muted); background: var(--bg-deep); font: .68rem var(--mono); }
.inspector-token.is-unusual { color: var(--accent-3); border-color: var(--accent-3); }
.inspector-panel pre { margin: .7rem 0 0; max-height: 7rem; white-space: pre-wrap; overflow-wrap: anywhere; overflow: auto; font-size: .72rem; }
.inspector-metrics { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .4rem; margin-top: .65rem; }
.inspector-metrics span { display: grid; gap: .05rem; padding: .5rem; border: 1px solid var(--line); border-radius: .55rem; color: var(--faint); background: var(--bg-deep); font-size: .64rem; text-align: center; }
.inspector-metrics strong { font: 800 .9rem var(--mono); }
.instrument-link { position: relative; display: inline-flex; align-items: center; gap: .35rem; margin-top: .7rem; font-size: .76rem; font-weight: 800; }

.section--task-paths { padding-top: clamp(3.2rem, 6vw, 5rem); }
.section-heading--compact { margin-bottom: 1.6rem; }
.task-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .9rem; }
.task-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: 1.25rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    color: var(--text);
    background: var(--surface);
    text-decoration: none;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.task-card:hover { color: var(--text); transform: translateY(-4px); border-color: var(--task-accent, var(--accent-2)); box-shadow: var(--shadow); }
.task-card::after { content: ""; position: absolute; inset: auto -3rem -4rem auto; width: 9rem; height: 9rem; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--task-accent, var(--accent-2)) 22%, transparent), transparent 70%); }
.task-card--human { --task-accent: var(--accent); }
.task-card--machine { --task-accent: var(--accent-2); }
.task-card--structure { --task-accent: var(--accent-4); }
.task-card--defense { --task-accent: var(--success); }
.task-card__icon { display: grid; place-items: center; width: 2.7rem; height: 2.7rem; margin-bottom: 1rem; border: 1px solid color-mix(in srgb, var(--task-accent) 45%, var(--line)); border-radius: .7rem; color: var(--task-accent); background: color-mix(in srgb, var(--task-accent) 9%, var(--surface-2)); }
.task-card__number { position: absolute; right: .9rem; top: .8rem; color: var(--faint); font: .72rem var(--mono); }
.task-card h3 { font-size: 1.15rem; }
.task-card p { flex: 1; color: var(--muted); font-size: .88rem; }
.task-card > strong { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: .35rem; color: var(--task-accent); font-size: .78rem; }

.channel-atlas-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.channel-atlas-card { display: flex; flex-direction: column; min-width: 0; padding: 1.25rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--surface); box-shadow: var(--shadow-soft); }
.channel-atlas-card__eyebrow { color: var(--accent-2); font-size: .65rem; font-weight: 850; letter-spacing: .11em; }
.channel-atlas-card h3 { margin-top: .65rem; font-size: 1.2rem; }
.channel-atlas-card > p { flex: 1; color: var(--muted); font-size: .87rem; }
.channel-atlas-card__facts { display: grid; gap: .5rem; margin: .65rem 0 1rem; }
.channel-atlas-card__facts div { display: grid; grid-template-columns: 5.6rem 1fr; gap: .5rem; padding-top: .45rem; border-top: 1px solid var(--line); }
.channel-atlas-card__facts dt { color: var(--faint); font-size: .68rem; }
.channel-atlas-card__facts dd { margin: 0; color: var(--text); font-size: .72rem; font-weight: 740; }
.channel-atlas-card__actions { display: flex; flex-wrap: wrap; gap: .45rem; }
.section-action { margin: 1.5rem 0 0; text-align: center; }

.experiment-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.experiment-card { display: flex; flex-direction: column; min-width: 0; padding: 1.35rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--surface); box-shadow: var(--shadow-soft); }
.experiment-card__top { display: flex; justify-content: space-between; gap: .8rem; color: var(--accent-2); font: .66rem var(--mono); letter-spacing: .08em; }
.experiment-card h3 { margin-top: .75rem; font-size: 1.25rem; }
.experiment-card > p { flex: 1; color: var(--muted); font-size: .88rem; }
.experiment-views { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; margin: .5rem 0 1rem; }
.experiment-views div { min-width: 0; padding: .7rem; border: 1px solid var(--line); border-radius: .65rem; background: var(--bg-deep); }
.experiment-views small { color: var(--faint); font-size: .64rem; text-transform: uppercase; letter-spacing: .08em; }
.experiment-views p { margin: .35rem 0 0; overflow-wrap: anywhere; font-size: .78rem; }
.experiment-card__actions { display: flex; flex-wrap: wrap; gap: .8rem; padding-top: .8rem; border-top: 1px solid var(--line); }
.experiment-card__actions a { font-size: .76rem; font-weight: 800; }

.defense-flow { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: .55rem; padding: 0; margin: 0; list-style: none; }
.defense-flow li { position: relative; min-width: 0; padding: 1rem .8rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--surface); }
.defense-flow li:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; right: -.48rem; top: 50%; transform: translateY(-50%); width: .9rem; height: 1.5rem; display: grid; place-items: center; color: var(--accent); background: var(--bg-deep); }
.defense-flow span { color: var(--accent); font: .68rem var(--mono); }
.defense-flow strong { display: block; margin-top: .45rem; }
.defense-flow p { margin: .35rem 0 0; color: var(--muted); font-size: .72rem; line-height: 1.45; }

.domain-grid--compact .domain-card { padding: 1.25rem; }
.domain-card--compact p { font-size: .88rem; }
.page-hero { padding: clamp(3.5rem, 6vw, 5.8rem) 0 clamp(2.6rem, 5vw, 4.2rem); }
.page-hero--compact { padding-block: 3.2rem 2.6rem; }
.page-hero h1 { font-size: clamp(2.6rem, 5.5vw, 4.6rem); }

@media (max-width: 1180px) {
    .task-grid,
    .channel-atlas-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .defense-flow { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .defense-flow li:nth-child(4)::after { display: none; }
}

@media (max-width: 1040px) {
    .primary-nav {
        position: fixed;
        inset: 4.9rem .75rem auto;
        max-height: calc(100dvh - 5.7rem);
        overflow: auto;
        padding: .8rem;
        border-radius: 1rem;
    }
    .primary-nav.is-open { display: grid; gap: .35rem; }
    .nav-group > summary,
    .primary-nav__link { width: 100%; justify-content: space-between; min-height: 3rem; padding: .72rem .8rem; }
    .nav-group__panel { position: static; width: auto; grid-template-columns: 1fr; margin-top: .35rem; box-shadow: none; background: var(--bg-deep); }
    .primary-nav__link--tool { justify-content: flex-start; }
    .primary-nav__link--search { justify-content: flex-start; }
    .primary-nav__link--search kbd { margin-left: auto; }
    .hero__grid--workbench { grid-template-columns: 1fr; }
    .hero--workbench h1 { max-width: 13ch; }
    .hero__visual { max-width: none; }
    .experiment-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .section { padding-block: 3.4rem; }
    .hero--workbench { padding-block: 2.6rem 3.4rem; }
    .hero--workbench h1 { font-size: clamp(3rem, 13vw, 4.25rem); line-height: .98; }
    .hero__statement { font-size: .56em; }
    .hero--workbench .hero__lede { font-size: 1rem; line-height: 1.62; }
    .hero__actions .text-link { width: auto; min-height: 2.6rem; }
    .task-grid,
    .channel-atlas-grid { grid-template-columns: 1fr; }
    .task-card { min-height: 0; }
    .defense-flow { grid-template-columns: 1fr; }
    .defense-flow li::after { display: none !important; }
    .site-search__form,
    .search-page-form__row { align-items: stretch; flex-direction: column; }
    .site-search__form > .icon,
    .search-page-form__row > .icon { top: 1rem; }
    .site-search__form input,
    .search-page-form__row input { min-height: 3.1rem; }
    .site-search__form .button,
    .search-page-form__row .button { width: 100%; }
    .site-search__footer { display: none; }
    .inspector-tabs { overflow-x: auto; grid-template-columns: repeat(4, minmax(5.2rem, 1fr)); }
    .inspector-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .experiment-views { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
    .brand__text span { display: none; }
    .theme-toggle { width: 2.25rem; height: 2.25rem; }
    .hero-inspector { padding: .75rem; }
    .hero-inspector__header { display: grid; }
    .status-pill { justify-self: start; }
    .inspector-metrics { grid-template-columns: 1fr; }
    .channel-atlas-card__facts div { grid-template-columns: 1fr; gap: .1rem; }
}

@media (prefers-reduced-motion: reduce) {
    .hero-inspector::before { animation: none; }
    .js [data-reveal] { opacity: 1; transform: none; }
}

/* Machine View command bar and transformation-survival instrument. */
.lab-command-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: .8rem 1rem;
    border: 1px solid var(--line);
    border-radius: .85rem;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}
.lab-command-bar__status { display: flex; align-items: center; gap: .75rem; min-width: 0; }
.lab-command-bar__status small { color: var(--faint); }
.lab-command-bar__actions { display: flex; flex-wrap: wrap; gap: .45rem; }
.lab-grid--transform { align-items: start; }
.transform-options { margin: 1rem 0 0; padding: .85rem; border: 1px solid var(--line); border-radius: .7rem; }
.transform-options legend { padding-inline: .35rem; color: var(--muted); font-size: .78rem; font-weight: 800; }
.transformation-result { min-height: 8rem; margin-bottom: .75rem; padding: 1rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--surface-2); }
.transformation-result h4 { margin: .65rem 0 .35rem; text-transform: capitalize; }
.transformation-result p { margin: .25rem 0 0; color: var(--muted); font-size: .84rem; }
.survival-badge { display: inline-flex; padding: .22rem .55rem; border: 1px solid var(--line); border-radius: 999px; font-size: .72rem; font-weight: 850; }
.survival-badge.is-pass { color: var(--success); border-color: var(--success); }
.survival-badge.is-partial { color: var(--accent-3); border-color: var(--accent-3); }
.survival-badge.is-fail { color: var(--danger); border-color: var(--danger); }
.view-comparison--stacked { grid-template-columns: 1fr; }
.view-comparison--stacked pre { min-height: 7rem; max-height: 15rem; }

@media (max-width: 760px) {
    .lab-command-bar { align-items: stretch; flex-direction: column; }
    .lab-command-bar__status { align-items: flex-start; flex-direction: column; gap: .3rem; }
    .lab-command-bar__actions .button { flex: 1 1 auto; }
}

/* Prompt attachment guided-experiment UI. */
.attachment-boundary { display: grid; gap: .85rem; }
.status-pill--safe { display: inline-flex; align-items: center; gap: .4rem; width: fit-content; color: var(--success); border-color: color-mix(in srgb, var(--success) 55%, var(--line)); }
.mini-metrics { display: grid; gap: .45rem; margin: .25rem 0 0; }
.mini-metrics div { display: grid; grid-template-columns: minmax(7rem, .8fr) 1fr; gap: .7rem; padding-top: .5rem; border-top: 1px solid var(--line); }
.mini-metrics dt { color: var(--faint); font: .68rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.mini-metrics dd { margin: 0; font-size: .78rem; font-weight: 800; }

.attachment-mode { overflow: clip; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); }
.attachment-mode__tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); padding: .55rem; gap: .55rem; border-bottom: 1px solid var(--line); background: var(--bg-deep); }
.attachment-mode__tab { display: flex; align-items: center; gap: .8rem; min-width: 0; min-height: 4.5rem; padding: .85rem 1rem; border: 1px solid transparent; border-radius: .75rem; color: var(--muted); background: transparent; text-align: left; cursor: pointer; }
.attachment-mode__tab:hover { color: var(--text); border-color: var(--line); background: var(--surface-2); }
.attachment-mode__tab.is-active { color: var(--text); border-color: var(--accent-2); background: var(--surface); box-shadow: var(--shadow-soft); }
.attachment-mode__tab > .icon { flex: 0 0 auto; width: 1.45rem; height: 1.45rem; color: var(--accent-2); }
.attachment-mode__tab span { display: grid; gap: .15rem; min-width: 0; }
.attachment-mode__tab strong { font-size: .94rem; }
.attachment-mode__tab small { color: var(--faint); font-size: .72rem; }
.attachment-mode__panel { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(250px, .65fr); gap: 1.5rem; align-items: center; padding: clamp(1.2rem, 3vw, 2rem); }
.attachment-mode__panel h3 { max-width: 34ch; margin-top: .65rem; font-size: clamp(1.25rem, 2.2vw, 1.75rem); }
.attachment-mode__panel p { color: var(--muted); }
.attachment-mode__panel dl { display: grid; gap: .55rem; margin: 0; padding: 1rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--bg-deep); }
.attachment-mode__panel dl div { display: grid; gap: .15rem; padding-bottom: .5rem; border-bottom: 1px solid var(--line); }
.attachment-mode__panel dl div:last-child { padding-bottom: 0; border-bottom: 0; }
.attachment-mode__panel dt { color: var(--faint); font: .65rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.attachment-mode__panel dd { margin: 0; font-size: .78rem; font-weight: 800; }
.attachment-mode__status { margin: 0; padding: .75rem 1rem; border-top: 1px solid var(--line); color: var(--muted); background: color-mix(in srgb, var(--accent-2) 6%, var(--surface)); font-size: .78rem; }

.view-label { display: inline-flex; align-items: center; width: fit-content; padding: .22rem .5rem; border: 1px solid var(--line); border-radius: 999px; font: 800 .64rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.view-label--human { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.view-label--machine { color: var(--accent-2); border-color: color-mix(in srgb, var(--accent-2) 55%, var(--line)); }
.view-label--decoder { color: var(--accent-4); border-color: color-mix(in srgb, var(--accent-4) 55%, var(--line)); }

.step-grid--nine { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.step-grid--nine .step-card { position: relative; min-height: 10.4rem; padding: 1.1rem; overflow: hidden; }
.step-grid--nine .step-card::after { content: ""; position: absolute; right: -2rem; bottom: -2.5rem; width: 6rem; height: 6rem; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 70%); pointer-events: none; }

.attachment-builder { grid-template-columns: minmax(310px, .72fr) minmax(0, 1.28fr); padding: .75rem; }
.attachment-builder__controls { display: flex; flex-direction: column; gap: .7rem; }
.attachment-builder__stage { display: flex; align-items: center; gap: .65rem; margin-top: .2rem; padding: .55rem .65rem; border-bottom: 1px solid var(--line); }
.attachment-builder__stage > span { color: var(--accent); font: 800 .68rem var(--mono); }
.attachment-builder__stage > strong { font-size: .82rem; letter-spacing: .015em; }
.attachment-builder__controls .lab-field { margin: 0; }
.attachment-builder__controls .lab-actions { margin-top: .1rem; }
.attachment-builder__meta { margin-top: 0; }
.attachment-survival { display: grid; gap: .45rem; padding: .8rem; border: 1px solid var(--line); border-radius: .7rem; background: var(--bg-deep); }
.attachment-survival p { margin: 0; color: var(--muted); font-size: .78rem; }

.attachment-view-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.attachment-view { min-width: 0; padding: .85rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--bg-deep); }
.attachment-view--human { border-top: 3px solid var(--accent); }
.attachment-view--machine { border-top: 3px solid var(--accent-2); }
.attachment-view__header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .45rem; }
.attachment-view__header small { color: var(--faint); font-size: .64rem; }
.attachment-view h3 { margin: .65rem 0 .5rem; color: var(--text); font-size: .82rem; letter-spacing: 0; text-transform: none; }
.attachment-view pre,
.attachment-human-preview pre { min-height: 10rem; max-height: 17rem; margin: 0; padding: .75rem; border: 1px solid var(--line); border-radius: .6rem; color: var(--text); background: var(--surface); white-space: pre-wrap; overflow: auto; overflow-wrap: anywhere; font: .72rem/1.55 var(--mono); }
.attachment-human-preview__description { min-height: 2.6rem; margin: 0 0 .6rem; color: var(--muted); font-size: .76rem; }
.attachment-raw,
.attachment-transformed { margin-top: .75rem; border: 1px solid var(--line); border-radius: .75rem; overflow: clip; background: var(--surface-2); }
.attachment-raw summary,
.attachment-transformed summary { cursor: pointer; padding: .75rem .85rem; color: var(--text); font-size: .78rem; font-weight: 800; }
.attachment-raw textarea,
.attachment-transformed textarea { min-height: 10rem; margin: 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; }
.attachment-transformed summary span { float: right; color: var(--faint); font-weight: 500; }
.attachment-expected { display: grid; grid-template-columns: auto 1fr; gap: .4rem .7rem; align-items: center; margin-top: .75rem; padding: .85rem; border: 1px solid color-mix(in srgb, var(--accent-4) 45%, var(--line)); border-radius: .75rem; background: color-mix(in srgb, var(--accent-4) 6%, var(--surface)); }
.attachment-expected .view-label { grid-row: 1 / span 2; }
.attachment-expected strong { font-size: .72rem; }
.attachment-expected code { width: fit-content; overflow-wrap: anywhere; }
.attachment-expected p { grid-column: 1 / -1; margin: .25rem 0 0; color: var(--muted); font-size: .76rem; }

.attachment-recorder { display: grid; grid-template-columns: minmax(300px, .85fr) minmax(0, 1.15fr); gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); }
.attachment-recorder__form { display: grid; gap: .75rem; min-width: 0; }
.attachment-recorder__form .lab-field { margin: 0; }
.attachment-recorder__form textarea { width: 100%; min-height: 7rem; resize: vertical; border: 1px solid var(--line); border-radius: .6rem; color: var(--text); background: var(--bg-deep); padding: .7rem; font: .8rem/1.5 var(--sans); }
.attachment-recorder__summary { min-width: 0; padding: 1.1rem; border: 1px solid var(--line); border-radius: .85rem; background: var(--bg-deep); }
.attachment-recorder__summary h3 { margin-top: .8rem; }
.attachment-recorder__summary > p { color: var(--muted); }
.attachment-recorder__summary pre { min-height: 13rem; max-height: 26rem; white-space: pre-wrap; overflow: auto; overflow-wrap: anywhere; font-size: .75rem; }
.fine-print { font-size: .72rem !important; }

@media (max-width: 1040px) {
    .attachment-mode__panel { grid-template-columns: 1fr; }
    .attachment-builder,
    .attachment-recorder { grid-template-columns: 1fr; }
    .attachment-builder__preview { border-left: 0; border-top: 1px solid var(--line); }
}

@media (max-width: 760px) {
    .attachment-mode__tabs,
    .attachment-view-grid { grid-template-columns: 1fr; }
    .attachment-mode__tab { min-height: 4rem; }
    .step-grid--nine { grid-template-columns: 1fr; }
    .step-grid--nine .step-card { min-height: 0; }
    .attachment-builder { padding: .35rem; }
    .attachment-builder__controls,
    .attachment-builder__preview { padding: .65rem; }
    .attachment-builder__controls .lab-actions,
    .attachment-recorder__form .lab-actions { display: grid; grid-template-columns: 1fr; }
    .attachment-builder__controls .button,
    .attachment-recorder__form .button { width: 100%; }
    .attachment-transformed summary span { display: block; float: none; margin-top: .2rem; }
    .attachment-expected { grid-template-columns: 1fr; }
    .attachment-expected .view-label { grid-row: auto; }
}

/* Prevent wide machine-view pipelines from forcing their grid parents beyond mobile viewports. */
.channel-section,
.channel-section__number,
.channel-section__content,
.channel-section__content > *,
.pipeline,
.example-box,
.code-shell {
    min-width: 0;
    max-width: 100%;
}

/* ==========================================================
   Homepage cinematic hero — approved visual integrated as a
   real responsive asset, with the interactive inspector moved
   into its own immediately-following workbench section.
   ========================================================== */
.home-page .site-header {
    --surface: #0b1724;
    --surface-2: #102538;
    --surface-3: #17324a;
    --text: #f2f8ff;
    --muted: #a9bdcc;
    --faint: #718da0;
    --line: #24435a;
    --accent: #35ead3;
    --accent-2: #4da8ff;
    background: color-mix(in srgb, #03101b 92%, transparent);
    border-bottom-color: rgba(77, 168, 255, .13);
}
.home-page .site-header.is-scrolled {
    border-bottom-color: rgba(77, 168, 255, .24);
    box-shadow: 0 12px 34px rgba(0, 0, 0, .34);
}

.hero--cinematic {
    --hero-text: #f4f9ff;
    --hero-muted: #b8c9d6;
    --hero-line: rgba(93, 178, 255, .22);
    min-height: auto;
    padding: 0;
    isolation: isolate;
    color: var(--hero-text);
    background:
        radial-gradient(circle at 69% 30%, rgba(32, 128, 255, .20), transparent 30rem),
        radial-gradient(circle at 77% 65%, rgba(139, 65, 255, .17), transparent 28rem),
        radial-gradient(circle at 38% 44%, rgba(0, 231, 210, .10), transparent 25rem),
        linear-gradient(135deg, #020913 0%, #041220 43%, #06172a 100%);
    border-bottom: 1px solid rgba(77, 168, 255, .18);
    overflow: clip;
}
.hero--cinematic::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -3;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(72, 155, 217, .075) 1px, transparent 1px),
        linear-gradient(90deg, rgba(72, 155, 217, .075) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: linear-gradient(90deg, transparent 0, rgba(0,0,0,.7) 34%, rgba(0,0,0,.9) 100%);
}
.hero--cinematic::after {
    content: "";
    position: absolute;
    z-index: -2;
    width: 58rem;
    height: 58rem;
    right: -20rem;
    top: -18rem;
    border: 0;
    border-radius: 50%;
    box-shadow: none;
    pointer-events: none;
    background: radial-gradient(circle, rgba(56, 151, 255, .18), rgba(102, 67, 255, .08) 38%, transparent 70%);
}
.hero-cinematic__mesh {
    position: absolute;
    z-index: -1;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(112deg, transparent 0 44%, rgba(54, 219, 210, .04) 44.2% 44.35%, transparent 44.55%),
        linear-gradient(71deg, transparent 0 69%, rgba(105, 105, 255, .04) 69.15% 69.3%, transparent 69.5%);
}
.hero__grid--cinematic {
    grid-template-columns: minmax(0, .82fr) minmax(540px, 1.18fr);
    gap: clamp(2rem, 4vw, 4.6rem);
    min-height: clamp(650px, calc(100svh - 4.65rem), 790px);
    padding-block: clamp(3.8rem, 7vw, 6.5rem) clamp(3rem, 5vw, 4.6rem);
}
.hero__content--cinematic {
    position: relative;
    z-index: 3;
    min-width: 0;
}
.eyebrow--cinematic {
    width: fit-content;
    margin-bottom: 1.35rem;
    padding: .5rem .9rem;
    border: 1px solid rgba(53, 234, 211, .55);
    border-radius: 999px;
    color: #48f1db;
    background: rgba(0, 180, 164, .08);
    box-shadow: inset 0 0 18px rgba(53, 234, 211, .04);
    font-size: .69rem;
}
.hero--cinematic h1 {
    max-width: 9.2ch;
    margin-bottom: 1.25rem;
    color: var(--hero-text);
    font-size: clamp(3.8rem, 6.1vw, 6.25rem);
    line-height: .93;
    letter-spacing: -.065em;
    text-wrap: balance;
}
.hero__field-name {
    display: block;
    margin-bottom: .75rem;
    color: #6eeedb;
    font: 800 .14em/1.2 var(--mono);
    letter-spacing: .19em;
    text-transform: uppercase;
}
.hero__cinematic-title {
    display: block;
    color: #f4f9ff;
    background: linear-gradient(112deg, #ffffff 8%, #74e9ff 41%, #4aa4ff 63%, #b266ff 94%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 24px rgba(67, 176, 255, .13));
}
.hero__thesis {
    display: grid;
    gap: .1rem;
    margin: 0 0 1.15rem;
    color: #dce9f3;
    font-size: clamp(1.35rem, 2.15vw, 2rem);
    font-weight: 720;
    line-height: 1.14;
    letter-spacing: -.03em;
}
.hero__thesis strong {
    color: #65f5d2;
    font-weight: 850;
}
.hero__lede--cinematic {
    max-width: 59ch;
    margin-block: 0 1.65rem;
    color: var(--hero-muted);
    font-size: clamp(.98rem, 1.35vw, 1.12rem);
    line-height: 1.7;
}
.hero__actions--cinematic {
    align-items: center;
    gap: .75rem;
}
.button--luminous {
    background: linear-gradient(135deg, #39efd6, #17c9d6);
    color: #021414;
    border-color: rgba(77, 255, 226, .7);
    box-shadow: 0 12px 34px rgba(25, 218, 205, .24), inset 0 1px 0 rgba(255,255,255,.35);
}
.button--luminous:hover {
    color: #021414;
    box-shadow: 0 16px 44px rgba(25, 218, 205, .34), inset 0 1px 0 rgba(255,255,255,.42);
}
.button--glass {
    color: #e9f5ff;
    background: rgba(10, 31, 48, .66);
    border-color: rgba(99, 184, 255, .42);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
    backdrop-filter: blur(12px);
}
.button--glass:hover {
    color: #ffffff;
    border-color: #4da8ff;
    background: rgba(19, 51, 76, .78);
}
.text-link--cinematic {
    color: #a8c8dc;
}
.text-link--cinematic:hover { color: #71ecdc; }
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 34rem;
    margin: 2rem 0 0;
    padding: 0;
}
.hero-stats div {
    min-width: 0;
    padding: 0 1.15rem;
    border-left: 1px solid rgba(93, 178, 255, .26);
}
.hero-stats div:first-child { padding-left: 0; border-left: 0; }
.hero-stats dt {
    margin: 0;
    color: #66e9f8;
    font: 850 clamp(1.45rem, 2.3vw, 2rem)/1 var(--sans);
    letter-spacing: -.04em;
}
.hero-stats div:nth-child(2) dt { color: #a67dff; }
.hero-stats div:nth-child(3) dt { color: #e26df0; }
.hero-stats dd {
    margin: .42rem 0 0;
    color: #a9becd;
    font-size: .77rem;
    line-height: 1.3;
}
.hero-art {
    position: relative;
    z-index: 2;
    width: min(100%, 760px);
    margin: 0;
    justify-self: end;
    transform: perspective(1200px) rotateY(-1.5deg) translateX(2%);
    transform-origin: center right;
}
.hero-art::before {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 7% 4% 3%;
    border-radius: 2rem;
    background: radial-gradient(circle at 50% 45%, rgba(38, 183, 255, .32), rgba(121, 53, 255, .14) 44%, transparent 72%);
    filter: blur(34px);
}
.hero-art picture {
    display: block;
    border: 1px solid rgba(80, 171, 255, .28);
    border-radius: 1.35rem;
    overflow: hidden;
    background: #03101b;
    box-shadow:
        0 38px 90px rgba(0, 0, 0, .45),
        0 0 58px rgba(54, 157, 255, .13),
        inset 0 1px 0 rgba(255,255,255,.06);
}
.hero-art img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1112 / 750;
    object-fit: cover;
}
.hero-art figcaption {
    max-width: 58ch;
    margin: .8rem .35rem 0 auto;
    color: #8ea8b8;
    font-size: .72rem;
    line-height: 1.45;
    text-align: right;
}
.hero-channel-strip {
    position: relative;
    z-index: 4;
    border-top: 1px solid rgba(77, 168, 255, .18);
    background: rgba(3, 14, 25, .86);
    backdrop-filter: blur(16px);
}
.hero-channel-strip__grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: .65rem;
    padding-block: .9rem;
}
.hero-channel-strip a {
    display: flex;
    align-items: center;
    gap: .65rem;
    min-width: 0;
    min-height: 4.5rem;
    padding: .65rem .7rem;
    border: 1px solid rgba(83, 157, 211, .16);
    border-radius: .75rem;
    color: #dceaf4;
    background: rgba(11, 30, 46, .58);
    text-decoration: none;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.hero-channel-strip a:hover {
    color: #ffffff;
    transform: translateY(-2px);
    border-color: rgba(72, 229, 215, .45);
    background: rgba(15, 42, 62, .88);
}
.hero-channel-strip .icon {
    width: 1.65rem;
    height: 1.65rem;
    min-width: 1.65rem;
    padding: .32rem;
    border-radius: .48rem;
    color: #62e9f2;
    background: rgba(44, 176, 255, .11);
}
.hero-channel-strip span { display: grid; min-width: 0; }
.hero-channel-strip strong {
    overflow: hidden;
    color: #edf7ff;
    font-size: .72rem;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.hero-channel-strip small {
    overflow: hidden;
    color: #8ba3b3;
    font-size: .61rem;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.section--micro-demo {
    scroll-margin-top: 5.5rem;
    padding-block: clamp(4rem, 7vw, 6.5rem);
}
.home-demo-grid {
    display: grid;
    grid-template-columns: minmax(0, .78fr) minmax(470px, 1.22fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 5rem);
}
.home-demo-copy > p {
    max-width: 58ch;
    color: var(--muted);
}
.home-demo-principle {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .85rem;
    margin: 1.6rem 0;
    padding: 1rem;
    border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--line));
    border-radius: .85rem;
    background: color-mix(in srgb, var(--accent) 6%, var(--surface));
}
.home-demo-principle > span {
    display: grid;
    place-items: center;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: .65rem;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, var(--surface-2));
}
.home-demo-principle strong { display: block; margin-bottom: .25rem; }
.home-demo-principle p { margin: 0; color: var(--muted); font-size: .84rem; }
.home-demo-instrument { min-width: 0; }
.home-demo-instrument .hero-inspector {
    box-shadow: 0 26px 70px color-mix(in srgb, var(--text) 12%, transparent);
}
.hero-inspector__header h3 { margin: .15rem 0 0; font-size: 1.15rem; }

@media (max-width: 1180px) {
    .hero__grid--cinematic {
        grid-template-columns: minmax(0, .9fr) minmax(470px, 1.1fr);
        gap: 2rem;
    }
    .hero-channel-strip__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 1040px) {
    .hero__grid--cinematic {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-block: 3.7rem 3rem;
    }
    .hero__content--cinematic { max-width: 48rem; }
    .hero--cinematic h1 { max-width: 10ch; }
    .hero-art {
        width: min(100%, 900px);
        justify-self: center;
        transform: none;
    }
    .hero-art figcaption { text-align: left; margin-left: .35rem; }
    .home-demo-grid { grid-template-columns: 1fr; }
    .home-demo-copy { max-width: 48rem; }
}

@media (max-width: 760px) {
    .hero__grid--cinematic { padding-block: 2.75rem 2.2rem; gap: 2rem; }
    .hero--cinematic h1 {
        max-width: 8.8ch;
        font-size: clamp(3.2rem, 14vw, 4.7rem);
        line-height: .94;
    }
    .hero__field-name { font-size: .16em; }
    .hero__thesis { font-size: clamp(1.25rem, 6vw, 1.65rem); }
    .hero__lede--cinematic { font-size: .98rem; }
    .hero__actions--cinematic { align-items: stretch; }
    .hero__actions--cinematic .button { width: 100%; }
    .hero__actions--cinematic .text-link { width: fit-content; }
    .hero-stats { margin-top: 1.6rem; }
    .hero-stats div { padding-inline: .65rem; }
    .hero-stats dt { font-size: 1.35rem; }
    .hero-stats dd { font-size: .66rem; }
    .hero-art { width: calc(100% + .4rem); margin-inline: -.2rem; }
    .hero-art picture { border-radius: .95rem; }
    .hero-art figcaption { display: none; }
    .hero-channel-strip__grid {
        display: flex;
        gap: .65rem;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scrollbar-width: thin;
    }
    .hero-channel-strip a {
        flex: 0 0 min(78vw, 19rem);
        scroll-snap-align: start;
    }
    .section--micro-demo { padding-block: 3.5rem; }
}

@media (max-width: 430px) {
    .eyebrow--cinematic { font-size: .61rem; letter-spacing: .13em; }
    .hero-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .hero-stats div { padding-inline: .45rem; }
    .hero-stats dd { overflow-wrap: anywhere; }
    .home-demo-principle { grid-template-columns: 1fr; }
}

@media print {
    .hero-art,
    .hero-channel-strip { display: none !important; }
    .hero--cinematic { color: #000; background: #fff; border: 0; }
    .hero__cinematic-title { color: #000; -webkit-text-fill-color: #000; background: none; }
}

/* The base .hero uses CSS grid; the cinematic hero has two block-level
   children, so a block formatting context prevents the inner .container
   from resolving against an intrinsic 1180px grid track on narrow screens. */
.hero--cinematic { display: block; }

/* Hero density refinements: keep the approved art visually dominant and
   bring it into the first viewport on both desktop and mobile. */
.hero__grid--cinematic {
    grid-template-columns: minmax(0, .92fr) minmax(520px, 1.08fr);
    min-height: 690px;
    padding-block: clamp(3.5rem, 5.5vw, 4.75rem) clamp(2.7rem, 4vw, 3.6rem);
}
.hero--cinematic h1 {
    max-width: 10ch;
    font-size: clamp(3.65rem, 5vw, 5rem);
    line-height: .95;
}
.hero__thesis {
    display: block;
    font-size: clamp(1.3rem, 1.8vw, 1.7rem);
}
.hero__thesis strong { display: block; }
.hero__lede--cinematic {
    max-width: 56ch;
    font-size: clamp(.96rem, 1.15vw, 1.04rem);
    line-height: 1.62;
}
.hero-stats { margin-top: 1.5rem; }
.hero-art { width: min(100%, 720px); }
.hero-art figcaption {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

@media (max-width: 1180px) {
    .hero__grid--cinematic {
        grid-template-columns: minmax(0, .95fr) minmax(470px, 1.05fr);
        min-height: 680px;
    }
}

@media (max-width: 1040px) {
    .hero__grid--cinematic {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-block: 3.4rem 2.8rem;
    }
}

@media (max-width: 760px) {
    .hero__grid--cinematic { padding-block: 2.1rem 1.8rem; gap: 1.55rem; }
    .eyebrow--cinematic { margin-bottom: 1rem; }
    .hero--cinematic h1 {
        margin-bottom: .9rem;
        font-size: clamp(3rem, 12.5vw, 4.1rem);
    }
    .hero__thesis { margin-bottom: .8rem; font-size: clamp(1.15rem, 5.4vw, 1.5rem); }
    .hero__lede--cinematic {
        display: -webkit-box;
        margin-bottom: 1.1rem;
        overflow: hidden;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        line-clamp: 3;
        font-size: .93rem;
        line-height: 1.55;
    }
    .hero__actions--cinematic { gap: .55rem; }
    .hero__actions--cinematic .text-link { display: none; }
    .hero-stats { display: none; }
    .hero-art { margin-top: .15rem; }
}
.hero__lede-mobile { display: none; }
.hero-channel-strip strong,
.hero-channel-strip small {
    text-overflow: clip;
}
@media (max-width: 760px) {
    .hero__lede--cinematic {
        display: block;
        overflow: visible;
        -webkit-line-clamp: unset;
        line-clamp: unset;
    }
    .hero__lede-full { display: none; }
    .hero__lede-mobile { display: inline; }
}

/* ================================================================
   Dedicated AJAX laboratory system · release 2026-08-22-labs-1
   ================================================================ */

.page-hero--labs {
    overflow: hidden;
    background:
        radial-gradient(circle at 78% 38%, color-mix(in srgb, var(--accent-2) 13%, transparent), transparent 23rem),
        radial-gradient(circle at 8% 20%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 25rem),
        color-mix(in srgb, var(--bg-deep) 86%, transparent);
}
.page-hero--labs .page-hero__grid,
.technique-lab-hero .page-hero__grid { align-items: center; }
.page-hero--labs h1 { max-width: 12ch; }
.lab-index-summary,
.technique-facts {
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}
.lab-index-summary::after,
.technique-facts::after {
    content: "";
    position: absolute;
    width: 12rem;
    height: 12rem;
    right: -5rem;
    bottom: -6rem;
    border: 1px solid color-mix(in srgb, var(--accent-2) 25%, transparent);
    border-radius: 50%;
    pointer-events: none;
}
.lab-index-summary dl {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .55rem;
    margin: 1.1rem 0;
}
.lab-index-summary dl div {
    min-width: 0;
    padding: .8rem .55rem;
    border: 1px solid var(--line);
    border-radius: .7rem;
    background: var(--surface-2);
    text-align: center;
}
.lab-index-summary dt { color: var(--accent); font: 850 1.35rem/1 var(--mono); }
.lab-index-summary dd { margin: .35rem 0 0; color: var(--muted); font-size: .68rem; line-height: 1.35; }

.lab-index-toolbar {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: .85rem;
    max-width: 920px;
    margin-inline: auto;
    padding: .65rem .8rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}
.lab-index-toolbar label { display: grid; place-items: center; color: var(--accent-2); }
.lab-index-toolbar .icon { width: 1.2rem; height: 1.2rem; }
.lab-index-toolbar input {
    width: 100%;
    min-width: 0;
    border: 0;
    outline: 0;
    color: var(--text);
    background: transparent;
}
.lab-index-toolbar span { color: var(--muted); font: 700 .76rem var(--mono); white-space: nowrap; }

.lab-index-group { scroll-margin-top: 6rem; }
.lab-index-group + .lab-index-group { border-top: 1px solid var(--line-soft); }
.dedicated-lab-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}
.dedicated-lab-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 100%;
    padding: 1.25rem;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background:
        linear-gradient(155deg, color-mix(in srgb, var(--surface-2) 72%, transparent), transparent 52%),
        var(--surface);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.dedicated-lab-card::after {
    content: "";
    position: absolute;
    inset: auto -3rem -3rem auto;
    width: 8rem;
    height: 8rem;
    border: 1px solid color-mix(in srgb, var(--accent-2) 18%, transparent);
    transform: rotate(45deg);
    pointer-events: none;
}
.dedicated-lab-card:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--accent-2) 58%, var(--line));
    box-shadow: var(--shadow-soft);
}
.dedicated-lab-card header { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: 1rem; }
.dedicated-lab-card__icon {
    display: grid;
    place-items: center;
    width: 2.65rem;
    height: 2.65rem;
    border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
    border-radius: .72rem;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 7%, var(--surface-2));
}
.dedicated-lab-card__icon .icon { width: 1.35rem; height: 1.35rem; }
.dedicated-lab-card h3 { font-size: 1.25rem; }
.dedicated-lab-card h3 a { color: var(--text); text-decoration: none; }
.dedicated-lab-card h3 a::after { content: ""; position: absolute; inset: 0; }
.dedicated-lab-card > p { flex: 1; color: var(--muted); font-size: .88rem; }
.dedicated-lab-card dl { display: grid; gap: .45rem; margin: .55rem 0 1rem; }
.dedicated-lab-card dl div { display: grid; grid-template-columns: 6rem 1fr; gap: .65rem; padding-top: .45rem; border-top: 1px solid var(--line-soft); }
.dedicated-lab-card dt { color: var(--faint); font: 760 .66rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.dedicated-lab-card dd { margin: 0; color: var(--muted); font-size: .75rem; line-height: 1.45; }
.dedicated-lab-card .card-link { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: .45rem; width: fit-content; margin-top: auto; font-size: .82rem; font-weight: 800; }
.dedicated-lab-card .card-link .icon { width: 1rem; height: 1rem; }

.technique-lab-hero {
    overflow: hidden;
    background:
        linear-gradient(110deg, color-mix(in srgb, var(--accent) 6%, transparent), transparent 48%),
        color-mix(in srgb, var(--bg-deep) 88%, transparent);
}
.technique-lab-hero h1 { max-width: 13ch; font-size: clamp(2.7rem, 5vw, 4.7rem); }
.technique-facts dl { display: grid; gap: .65rem; margin: 1.1rem 0 0; }
.technique-facts dl div { padding: .7rem 0; border-top: 1px solid var(--line); }
.technique-facts dt { color: var(--faint); font: 760 .66rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.technique-facts dd { margin: .25rem 0 0; color: var(--text); font-size: .9rem; line-height: 1.45; }
.section--lab-workbench { padding-top: clamp(2.5rem, 5vw, 4.5rem); }
.technique-workbench {
    display: grid;
    grid-template-columns: minmax(300px, .82fr) minmax(0, 1.18fr);
    gap: 1rem;
    align-items: start;
}
.technique-workbench__controls,
.technique-workbench__results {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}
.technique-workbench__controls { position: sticky; top: 6.2rem; }
.technique-workbench__results { min-height: 41rem; }
.instrument-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface-2) 78%, transparent);
}
.instrument-header h2 { margin: .15rem 0 0; font-size: 1.02rem; }
.instrument-actions { display: flex; gap: .4rem; }
.technique-form { display: grid; gap: 1rem; padding: 1.1rem; }
.technique-form .lab-field small { display: block; margin-top: .35rem; color: var(--faint); font-size: .72rem; line-height: 1.45; }
.technique-form .lab-field input[type="text"],
.technique-form .lab-field input[type="number"],
.technique-form .lab-field input[type="file"],
.technique-form .lab-field select,
.technique-form .lab-field textarea {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: .68rem;
    padding: .76rem .82rem;
    outline: 0;
    color: var(--text);
    background: var(--bg-deep);
}
.technique-form .lab-field input[type="number"],
.technique-form .lab-field select { min-height: 2.9rem; }
.technique-form .lab-field input[type="file"] { padding: .55rem; color: var(--muted); }
.technique-form .lab-field input[type="file"]::file-selector-button {
    margin-right: .75rem;
    padding: .55rem .72rem;
    border: 1px solid var(--line);
    border-radius: .52rem;
    color: var(--text);
    background: var(--surface-2);
    cursor: pointer;
}
.technique-form .lab-field :is(input, select, textarea):focus {
    border-color: var(--accent-2);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-2) 17%, transparent);
}
.technique-actions { margin-top: .15rem; }
.technique-actions .button { flex: 1 1 9rem; justify-content: center; }
.technique-actions .button--ghost { flex-grow: 0; }
.instrument-footnote { display: grid; grid-template-columns: auto 1fr; gap: .65rem; padding: .85rem 1.1rem; border-top: 1px solid var(--line); color: var(--muted); background: var(--surface-2); }
.instrument-footnote > span { color: var(--success); }
.instrument-footnote .icon { width: 1.1rem; height: 1.1rem; }
.instrument-footnote p { margin: 0; font-size: .72rem; line-height: 1.5; }
.technique-result-placeholder { display: grid; place-items: center; min-height: 34rem; padding: 3rem; text-align: center; color: var(--muted); }
.technique-result-placeholder > .icon { width: 3rem; height: 3rem; margin-bottom: 1rem; color: var(--accent-2); }
.technique-result-placeholder h3 { max-width: 24ch; color: var(--text); }
.technique-result-placeholder p { max-width: 47ch; }
.technique-results { display: grid; gap: 1rem; padding: 1.1rem; }
.result-summary { padding: 1rem; border: 1px solid color-mix(in srgb, var(--accent-2) 35%, var(--line)); border-radius: .8rem; background: color-mix(in srgb, var(--accent-2) 6%, var(--surface-2)); }
.result-summary h3 { margin-bottom: .3rem; font-size: 1rem; color: var(--accent-2); }
.result-summary p { margin: 0; color: var(--muted); }
.result-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .55rem; }
.result-metric { min-width: 0; padding: .7rem .75rem; border: 1px solid var(--line); border-radius: .65rem; background: var(--surface-2); }
.result-metric span { display: block; color: var(--faint); font: 720 .62rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.result-metric strong { display: block; margin-top: .28rem; overflow-wrap: anywhere; font: 800 .86rem/1.35 var(--mono); }
.result-metric[data-tone="safe"] { border-color: color-mix(in srgb, var(--success) 42%, var(--line)); }
.result-metric[data-tone="warning"] { border-color: color-mix(in srgb, var(--accent-3) 48%, var(--line)); }
.result-views { display: grid; gap: .55rem; }
.result-view { overflow: hidden; border: 1px solid var(--line); border-radius: .7rem; background: var(--surface-2); }
.result-view > summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .72rem .8rem; cursor: pointer; color: var(--text); font-weight: 780; list-style: none; }
.result-view > summary::-webkit-details-marker { display: none; }
.result-view > summary::after { content: "+"; color: var(--accent); font: 800 1.1rem var(--mono); }
.result-view[open] > summary::after { content: "−"; }
.result-view > summary small { margin-left: auto; color: var(--faint); font: 700 .58rem var(--mono); letter-spacing: .08em; }
.result-view__code,
.result-view__text { margin: 0; padding: .9rem; border: 0; border-top: 1px solid var(--line); border-radius: 0; color: var(--muted); background: var(--bg-deep); white-space: pre-wrap; overflow-wrap: anywhere; max-height: 28rem; overflow: auto; }
.result-view__code { font: .76rem/1.55 var(--mono); }
.result-view__text { font-size: .9rem; }
.result-findings { display: grid; gap: .55rem; }
.result-findings > h3 { margin: .4rem 0 0; font-size: .95rem; }
.result-finding { display: grid; grid-template-columns: 1.7rem 1fr; gap: .65rem; padding: .75rem; border: 1px solid var(--line); border-radius: .68rem; background: var(--surface-2); }
.result-finding__marker { display: grid; place-items: center; width: 1.55rem; height: 1.55rem; border: 1px solid var(--accent-2); border-radius: 50%; color: var(--accent-2); font: 850 .72rem var(--mono); }
.result-finding strong { display: block; font-size: .85rem; }
.result-finding p { margin: .18rem 0 0; color: var(--muted); font-size: .76rem; line-height: 1.5; }
.result-finding[data-severity="safe"] { border-color: color-mix(in srgb, var(--success) 42%, var(--line)); }
.result-finding[data-severity="safe"] .result-finding__marker { color: var(--success); border-color: var(--success); }
.result-finding[data-severity="warning"],
.result-finding[data-severity="review"] { border-color: color-mix(in srgb, var(--accent-3) 42%, var(--line)); }
.result-finding[data-severity="warning"] .result-finding__marker,
.result-finding[data-severity="review"] .result-finding__marker { color: var(--accent-3); border-color: var(--accent-3); }
.result-finding[data-severity="high"] { border-color: color-mix(in srgb, var(--danger) 52%, var(--line)); }
.result-finding[data-severity="high"] .result-finding__marker { color: var(--danger); border-color: var(--danger); }
.result-table-wrap { max-height: 32rem; overflow: auto; border: 1px solid var(--line); border-radius: .72rem; }
.result-table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: .73rem; }
.result-table th { position: sticky; top: 0; z-index: 1; padding: .65rem; color: var(--accent-2); background: var(--surface-3); text-align: left; text-transform: uppercase; letter-spacing: .055em; }
.result-table td { padding: .62rem .65rem; border-top: 1px solid var(--line); color: var(--muted); vertical-align: top; white-space: pre-wrap; overflow-wrap: anywhere; }
.result-table tr:hover td { background: color-mix(in srgb, var(--accent-2) 4%, var(--surface)); }
.result-download__card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: .75rem; padding: .8rem; border: 1px solid color-mix(in srgb, var(--success) 42%, var(--line)); border-radius: .72rem; background: color-mix(in srgb, var(--success) 5%, var(--surface-2)); }
.result-download__icon { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: .55rem; color: var(--success); background: color-mix(in srgb, var(--success) 10%, var(--surface)); }
.result-download__card strong,
.result-download__card span { display: block; }
.result-download__card span { color: var(--muted); font-size: .7rem; overflow-wrap: anywhere; }
.result-timing { margin: 0; color: var(--faint); font: .65rem var(--mono); text-align: right; }
.status-pill[data-state="warning"] { color: var(--accent-3); border-color: var(--accent-3); }
.status-pill[data-state="error"] { color: var(--danger); border-color: var(--danger); }

.same-artifact-principle { display: grid; gap: 1.5rem; }
.view-lane-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; }
.view-lane-grid article { position: relative; min-width: 0; padding: 1rem; border: 1px solid var(--line); border-radius: .82rem; background: var(--surface); }
.view-lane-grid article > span { color: var(--accent); font: 800 .7rem var(--mono); }
.view-lane-grid h3 { margin: .65rem 0 .35rem; font-size: 1rem; }
.view-lane-grid p { margin: 0; color: var(--muted); font-size: .78rem; }
.content-card--warning { border-color: color-mix(in srgb, var(--accent-3) 42%, var(--line)); }
.related-labs__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.related-lab-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; grid-template-rows: auto auto; align-items: center; column-gap: .65rem; min-width: 0; padding: .9rem; border: 1px solid var(--line); border-radius: .78rem; color: var(--text); background: var(--surface); text-decoration: none; }
.related-lab-card > span { grid-row: 1 / 3; display: grid; place-items: center; width: 2.2rem; height: 2.2rem; border-radius: .55rem; color: var(--accent); background: var(--surface-2); }
.related-lab-card > span .icon { width: 1.1rem; height: 1.1rem; }
.related-lab-card > strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .82rem; }
.related-lab-card > small { color: var(--faint); font-size: .67rem; }
.related-lab-card > .icon { grid-column: 3; grid-row: 1 / 3; width: 1rem; height: 1rem; color: var(--accent-2); }
.related-lab-card:hover { border-color: var(--accent-2); color: var(--text); }
.related-lab-card--research > span { color: var(--accent-4); }

@media (max-width: 1040px) {
    .dedicated-lab-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .technique-workbench { grid-template-columns: 1fr; }
    .technique-workbench__controls { position: static; }
    .technique-workbench__results { min-height: 30rem; }
    .result-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .view-lane-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .related-labs__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
    .page-hero--labs .page-hero__grid,
    .technique-lab-hero .page-hero__grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .lab-index-summary dl { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lab-index-toolbar { grid-template-columns: auto minmax(0, 1fr); border-radius: .85rem; }
    .lab-index-toolbar > span { grid-column: 2; }
    .dedicated-lab-grid { grid-template-columns: 1fr; }
    .result-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .related-labs__grid { grid-template-columns: 1fr; }
    .result-download__card { grid-template-columns: auto minmax(0, 1fr); }
    .result-download__card .button { grid-column: 1 / -1; width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
    .lab-index-summary dl { grid-template-columns: 1fr; }
    .lab-index-summary dl div { display: grid; grid-template-columns: 5rem 1fr; align-items: center; text-align: left; }
    .lab-index-summary dd { margin: 0; }
    .technique-workbench__controls,
    .technique-workbench__results { border-radius: .95rem; }
    .instrument-header { padding: .85rem; }
    .technique-form,
    .technique-results { padding: .85rem; }
    .result-metrics { grid-template-columns: 1fr; }
    .view-lane-grid { grid-template-columns: 1fr; }
    .result-table { min-width: 540px; }
    .technique-actions .button { flex-basis: 100%; }
}

@media print {
    .lab-index-toolbar,
    .technique-actions,
    .instrument-actions,
    .sample-buttons { display: none !important; }
    .technique-workbench { grid-template-columns: 1fr; }
    .technique-workbench__controls { position: static; }
    .result-view { break-inside: avoid; }
}