@layer reset, base, components, sections, utilities, responsive;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { min-width: 20rem; scroll-behavior: smooth; }
  body, h1, h2, h3, p, dl, dd, ol, ul, pre { margin: 0; }
  ul, ol { padding: 0; }
  button, input, textarea, select { font: inherit; }
  button, a { -webkit-tap-highlight-color: transparent; }
  img, svg { display: block; max-width: 100%; }
}

@layer base {
  :root {
    color-scheme: dark;
    --bg: #080a0d;
    --bg-raised: #0d1116;
    --surface: rgba(19, 24, 31, 0.84);
    --surface-solid: #13181f;
    --surface-soft: #171e27;
    --text: #f3f6f1;
    --muted: #adb7b2;
    --dim: #7c8782;
    --line: rgba(239, 246, 240, 0.12);
    --line-strong: rgba(239, 246, 240, 0.22);
    --acid: #b9ff66;
    --acid-soft: rgba(185, 255, 102, 0.11);
    --cyan: #76e8dd;
    --violet: #ae93ff;
    --orange: #ffad66;
    --pink: #ff87b9;
    --blue: #72a0ff;
    --shadow: 0 2rem 7rem rgba(0, 0, 0, 0.42);
    --radius-sm: 0.8rem;
    --radius-md: 1.25rem;
    --radius-lg: 1.8rem;
    --shell: 76.25rem;
  }

  body {
    min-height: 100vh;
    overflow-x: clip;
    color: var(--text);
    background:
      radial-gradient(circle at 78% 0%, rgba(185, 255, 102, 0.08), transparent 27rem),
      radial-gradient(circle at 10% 34%, rgba(118, 232, 221, 0.055), transparent 32rem),
      var(--bg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }

  body::before {
    position: fixed;
    inset: 0;
    z-index: -3;
    pointer-events: none;
    content: "";
    opacity: 0.32;
    background-image:
      linear-gradient(rgba(243, 246, 241, 0.045) 1px, transparent 1px),
      linear-gradient(90deg, rgba(243, 246, 241, 0.045) 1px, transparent 1px);
    background-size: 4.5rem 4.5rem;
    -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 92%);
    mask-image: linear-gradient(to bottom, black 0%, transparent 92%);
  }

  a { color: inherit; }
  h1, h2, h3 { text-wrap: balance; }
  p { text-wrap: pretty; }
  :focus-visible { outline: 0.19rem solid var(--acid); outline-offset: 0.25rem; }
  ::selection { color: #080a0d; background: var(--acid); }

  .shell { width: min(calc(100% - 2rem), var(--shell)); margin-inline: auto; }
  .section { position: relative; padding-block: clamp(5rem, 10vw, 9rem); }
  .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
  .skip-link { position: fixed; top: 1rem; left: 1rem; z-index: 1000; padding: 0.8rem 1rem; border-radius: 0.7rem; color: var(--bg); background: var(--acid); font-weight: 850; text-decoration: none; transform: translateY(-220%); }
  .skip-link:focus { transform: translateY(0); }
}

@layer components {
  .scroll-progress { position: fixed; inset: 0 0 auto; z-index: 999; height: 0.18rem; pointer-events: none; background: transparent; }
  .scroll-progress span { display: block; width: 100%; height: 100%; background: linear-gradient(90deg, var(--acid), var(--cyan)); transform: scaleX(0); transform-origin: left; }

  .pointer-glow { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0; background: radial-gradient(25rem circle at var(--pointer-x, 50%) var(--pointer-y, 50%), rgba(185, 255, 102, 0.075), transparent 68%); transition: opacity 240ms ease; }
  .pointer-glow.is-visible { opacity: 1; }

  .button { display: inline-flex; align-items: center; justify-content: center; min-height: 3.15rem; gap: 0.65rem; padding: 0.82rem 1.05rem; border: 1px solid transparent; border-radius: 0.88rem; text-decoration: none; font-size: 0.88rem; font-weight: 820; transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease; }
  .button:hover { transform: translateY(-0.14rem); }
  .button-primary { color: #080a0d; background: var(--acid); box-shadow: 0 0.9rem 2.8rem rgba(185, 255, 102, 0.14); }
  .button-primary:hover { box-shadow: 0 1.1rem 3.3rem rgba(185, 255, 102, 0.22); }
  .button-ghost { border-color: var(--line-strong); background: rgba(13, 17, 22, 0.58); }
  .button-ghost:hover { border-color: rgba(185, 255, 102, 0.42); background: var(--acid-soft); }

  .section-kicker { margin-bottom: 0.95rem; color: var(--acid); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.74rem; font-weight: 850; letter-spacing: 0.12em; text-transform: uppercase; }
  .section-heading { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); align-items: end; gap: clamp(2rem, 6vw, 6rem); margin-bottom: clamp(2.3rem, 5vw, 4rem); }
  .section-heading h2 { max-width: 12ch; font-size: clamp(2.8rem, 5.7vw, 5.8rem); line-height: 0.95; letter-spacing: -0.065em; }
  .section-heading > p { max-width: 43rem; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.12rem); line-height: 1.75; }

  .reveal { opacity: 1; transform: none; }
  .js .reveal { opacity: 0; transform: translateY(1.4rem); transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.75, 0.2, 1); }
  .js .reveal.is-visible { opacity: 1; transform: translateY(0); }
}

@layer sections {
  .site-header { position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--line); background: rgba(8, 10, 13, 0.78); -webkit-backdrop-filter: blur(1.15rem); backdrop-filter: blur(1.15rem); }
  .header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 4.7rem; gap: 1.2rem; }
  .brand { display: inline-flex; align-items: center; gap: 0.72rem; text-decoration: none; }
  .brand-glyph { display: grid; width: 2.45rem; aspect-ratio: 1; place-items: center; border-radius: 0.75rem; color: var(--bg); background: var(--acid); box-shadow: 0 0 0 0.32rem var(--acid-soft); font-size: 0.75rem; font-weight: 950; }
  .brand-text { display: flex; align-items: baseline; letter-spacing: -0.035em; }
  .brand-text strong { font-size: 0.97rem; }
  .brand-text small { color: var(--dim); font-size: 0.72rem; font-weight: 760; }
  .site-nav { display: flex; align-items: center; gap: 1.3rem; }
  .site-nav > a { color: var(--muted); font-size: 0.78rem; font-weight: 720; text-decoration: none; transition: color 160ms ease; }
  .site-nav > a:hover { color: var(--text); }
  .site-nav .nav-cta { padding: 0.58rem 0.72rem; border: 1px solid var(--line-strong); border-radius: 0.7rem; color: var(--text); }
  .nav-toggle { display: none; width: 2.8rem; height: 2.8rem; border: 1px solid var(--line-strong); border-radius: 0.72rem; color: var(--text); background: var(--surface); }
  .nav-toggle > span:not(.sr-only) { display: block; width: 1rem; height: 1px; margin: 0.25rem auto; background: currentColor; transition: transform 180ms ease; }

  .hero { min-height: calc(100svh - 4.7rem); display: grid; align-content: center; overflow: hidden; padding-top: clamp(4.8rem, 9vw, 8.5rem); }
  .hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(22rem, 0.98fr); align-items: center; gap: clamp(3rem, 7vw, 7rem); }
  .hero-orbit { position: absolute; z-index: -1; border: 1px solid rgba(185, 255, 102, 0.14); border-radius: 50%; pointer-events: none; }
  .hero-orbit-a { top: 8%; right: -8rem; width: 29rem; aspect-ratio: 1; box-shadow: 0 0 0 3rem rgba(185, 255, 102, 0.018), 0 0 0 6rem rgba(185, 255, 102, 0.008); }
  .hero-orbit-b { bottom: 7%; left: -11rem; width: 25rem; aspect-ratio: 1; border-color: rgba(118, 232, 221, 0.1); }
  .eyebrow { display: flex; flex-wrap: wrap; align-items: center; gap: 0.65rem; margin-bottom: 1.2rem; font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.73rem; letter-spacing: 0.04em; }
  .eyebrow span { color: var(--muted); }
  .eyebrow strong { padding: 0.35rem 0.52rem; border: 1px solid rgba(185, 255, 102, 0.3); border-radius: 999px; color: var(--acid); background: var(--acid-soft); }
  .hero h1 { max-width: 10.5ch; margin-bottom: 1.55rem; font-size: clamp(3.7rem, 7.7vw, 7.7rem); line-height: 0.89; letter-spacing: -0.078em; }
  .hero h1 em { color: transparent; background: linear-gradient(96deg, var(--acid), #ebffd3 52%, var(--cyan)); background-clip: text; -webkit-background-clip: text; font-style: normal; }
  .hero-lead { max-width: 44rem; color: var(--muted); font-size: clamp(1.04rem, 1.65vw, 1.25rem); line-height: 1.75; }
  .role-line { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 0.8rem; margin-top: 1.65rem; }
  .role-line-label { color: var(--dim); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.67rem; text-transform: uppercase; }
  .role-line strong { color: var(--cyan); transition: opacity 180ms ease, transform 180ms ease; }
  .role-line strong.is-changing { opacity: 0; transform: translateY(0.3rem); }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
  .hero-facts { display: flex; flex-wrap: wrap; gap: 0.65rem 1.1rem; margin-top: 1.45rem; list-style: none; color: var(--dim); font-size: 0.77rem; font-weight: 680; }
  .hero-facts li { display: inline-flex; align-items: center; gap: 0.48rem; }
  .hero-facts li::before { width: 0.3rem; aspect-ratio: 1; border-radius: 50%; content: ""; background: currentColor; }

  .hero-console { position: relative; overflow: hidden; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.01)); box-shadow: var(--shadow); }
  .hero-console::after { position: absolute; inset: 0; pointer-events: none; content: ""; opacity: 0.12; background: repeating-linear-gradient(to bottom, transparent 0, transparent 3px, rgba(255,255,255,0.04) 4px); }
  .console-topbar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 3.4rem; padding: 0 1rem; border-bottom: 1px solid var(--line); color: var(--dim); background: rgba(13, 17, 22, 0.88); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.65rem; }
  .console-dots { display: flex; gap: 0.35rem; }
  .console-dots span { width: 0.48rem; aspect-ratio: 1; border-radius: 50%; background: #ff6f80; }
  .console-dots span:nth-child(2) { background: #ffd166; }
  .console-dots span:nth-child(3) { background: #70e1aa; }
  .console-live { justify-self: end; display: inline-flex; align-items: center; gap: 0.4rem; color: var(--acid); }
  .console-live i { width: 0.42rem; aspect-ratio: 1; border-radius: 50%; background: currentColor; box-shadow: 0 0 0.7rem currentColor; }
  .console-body { position: relative; z-index: 1; min-height: 31rem; padding: clamp(1.2rem, 3vw, 1.8rem); background: rgba(8, 11, 14, 0.88); }
  .console-command { margin-bottom: 1rem; color: var(--muted); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.76rem; }
  .console-command span { color: var(--cyan); }
  .profile-map { display: grid; gap: 0.56rem; margin-bottom: 2rem; }
  .profile-map div { display: grid; grid-template-columns: 6rem 1fr; gap: 0.9rem; padding-bottom: 0.55rem; border-bottom: 1px solid rgba(243, 246, 241, 0.07); }
  .profile-map dt { color: var(--violet); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.69rem; }
  .profile-map dd { color: #d8ded9; font-size: 0.79rem; }
  .pipeline { display: flex; align-items: center; gap: 0.45rem; margin: 1.1rem 0 1.5rem; overflow-x: auto; scrollbar-width: none; }
  .pipeline::-webkit-scrollbar { display: none; }
  .pipeline span { flex: 0 0 auto; padding: 0.42rem 0.54rem; border: 1px solid var(--line); border-radius: 0.55rem; color: var(--text); background: var(--surface); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.62rem; }
  .pipeline i { flex: 0 0 auto; width: 0.75rem; height: 1px; background: linear-gradient(90deg, var(--acid), var(--cyan)); }
  .console-output { color: var(--muted); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.7rem; line-height: 1.7; }
  .console-output span { color: var(--acid); }

  .signal-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: clamp(4rem, 8vw, 7rem); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(13, 17, 22, 0.62); }
  .signal-strip > div { min-height: 7.8rem; padding: 1.1rem; border-right: 1px solid var(--line); }
  .signal-strip > div:last-child { border-right: 0; }
  .signal-strip span { display: block; margin-bottom: 1.1rem; color: var(--acid); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.62rem; }
  .signal-strip strong { display: block; margin-bottom: 0.25rem; font-size: 0.9rem; }
  .signal-strip small { color: var(--dim); font-size: 0.72rem; }

  .worlds { border-top: 1px solid var(--line); background: linear-gradient(180deg, rgba(13, 17, 22, 0.38), transparent 24%); }
  .world-switcher { overflow: hidden; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: rgba(13, 17, 22, 0.72); box-shadow: var(--shadow); }
  .world-tabs { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border-bottom: 1px solid var(--line); background: rgba(8, 10, 13, 0.7); }
  .world-tabs button { min-height: 3.7rem; padding: 0.7rem; border: 0; border-right: 1px solid var(--line); color: var(--dim); background: transparent; font-size: 0.72rem; font-weight: 800; cursor: pointer; transition: color 170ms ease, background-color 170ms ease; }
  .world-tabs button:last-child { border-right: 0; }
  .world-tabs button:hover { color: var(--text); background: rgba(255, 255, 255, 0.025); }
  .world-tabs button[aria-selected="true"] { color: var(--bg); background: var(--acid); }
  .world-stage { position: relative; min-height: 32rem; }
  .role-panel { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(19rem, 0.98fr); min-height: 32rem; gap: clamp(2rem, 6vw, 5rem); padding: clamp(1.5rem, 5vw, 3.5rem); }
  .js .role-panel { display: none; }
  .js .role-panel.is-active { display: grid; animation: panel-enter 440ms cubic-bezier(0.2, 0.75, 0.2, 1) both; }
  .panel-copy { align-self: center; }
  .panel-index { margin-bottom: 1rem; color: var(--acid); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.7rem; font-weight: 850; letter-spacing: 0.11em; text-transform: uppercase; }
  .panel-copy h3 { max-width: 15ch; margin-bottom: 1.1rem; font-size: clamp(2.25rem, 4.7vw, 4.6rem); line-height: 0.98; letter-spacing: -0.06em; }
  .panel-copy > p:not(.panel-index) { max-width: 44rem; color: var(--muted); line-height: 1.75; }
  .chip-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.45rem; list-style: none; }
  .chip-list li { padding: 0.46rem 0.62rem; border: 1px solid var(--line); border-radius: 0.58rem; background: rgba(8, 10, 13, 0.38); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.65rem; }
  .panel-visual { position: relative; align-self: center; min-height: 22rem; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(8, 10, 13, 0.46); }

  .architecture-visual { background-image: linear-gradient(rgba(243,246,241,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(243,246,241,0.045) 1px, transparent 1px); background-size: 2.1rem 2.1rem; }
  .architecture-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
  .architecture-visual path { fill: none; stroke: rgba(185, 255, 102, 0.34); stroke-width: 1.3; stroke-dasharray: 5 7; }
  .architecture-node { position: absolute; z-index: 1; width: 9.5rem; padding: 0.75rem; border: 1px solid var(--line-strong); border-radius: 0.72rem; background: rgba(19, 24, 31, 0.94); box-shadow: 0 1rem 2.8rem rgba(0,0,0,0.25); }
  .architecture-node small { display: block; margin-bottom: 0.35rem; color: var(--dim); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.57rem; text-transform: uppercase; }
  .architecture-node strong { font-size: 0.78rem; }
  .architecture-edge { top: 12%; left: 7%; }
  .architecture-core { top: 38%; left: 50%; border-color: rgba(185,255,102,0.42); transform: translate(-50%, -50%); }
  .architecture-route { top: 14%; right: 7%; }
  .architecture-gpu { right: 7%; bottom: 10%; }

  .board-visual { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.65rem; padding: 1rem; background: linear-gradient(145deg, rgba(174,147,255,0.14), rgba(8,10,13,0.3)); }
  .board-column { padding: 0.75rem; border: 1px solid rgba(222,211,255,0.15); border-radius: 0.8rem; background: rgba(20, 15, 35, 0.54); }
  .board-column strong { display: block; margin-bottom: 0.8rem; color: #d2c3ff; font-size: 0.68rem; text-transform: uppercase; }
  .board-column span { display: block; margin-top: 0.55rem; padding: 0.62rem; border-radius: 0.58rem; color: #ded7eb; background: rgba(255,255,255,0.07); font-size: 0.68rem; }

  .dialogue-visual { padding: 1.3rem; background: linear-gradient(145deg, rgba(114,160,255,0.15), rgba(118,232,221,0.08)); }
  .dialogue-card { width: fit-content; max-width: 82%; margin-bottom: 1rem; padding: 0.8rem 0.95rem; border-radius: 1rem 1rem 1rem 0.28rem; color: #193458; background: #dce9ff; font-size: 0.78rem; font-weight: 720; box-shadow: 0 0.9rem 2rem rgba(0,0,0,0.13); }
  .dialogue-b { margin-left: auto; border-radius: 1rem 1rem 0.28rem 1rem; color: #16493f; background: #d8f5e9; }
  .dialogue-c { color: #654318; background: #fff0d7; }
  .lesson-meter { position: absolute; right: 1.2rem; bottom: 1.2rem; left: 1.2rem; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.45rem; }
  .lesson-meter span { height: 0.34rem; border-radius: 999px; background: rgba(255,255,255,0.12); }
  .lesson-meter span:nth-child(-n+3) { background: var(--cyan); }

  .docket-visual { display: grid; align-content: center; gap: 0.35rem; padding: 1.1rem; background: linear-gradient(145deg, rgba(114,160,255,0.11), rgba(8,10,13,0.3)); }
  .docket-visual > div { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 0.7rem; padding: 0.9rem 0.75rem; border-bottom: 1px solid rgba(170,197,225,0.13); color: #bdcbd7; font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.67rem; }
  .docket-visual > div:last-child { border-bottom: 0; }
  .docket-visual i { width: 0.45rem; aspect-ratio: 1; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0.7rem rgba(114,160,255,0.6); }
  .docket-visual strong { color: #9fbdff; font-size: 0.58rem; text-transform: uppercase; }

  .growth-visual { display: grid; align-content: center; gap: 1rem; padding: 1.3rem; background: linear-gradient(145deg, rgba(255,173,102,0.15), rgba(255,135,185,0.08)); }
  .growth-axis { display: grid; grid-template-columns: 5rem 1fr; align-items: center; gap: 0.75rem; color: #f5d7c3; font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.66rem; }
  .growth-axis i { height: 0.65rem; overflow: hidden; border-radius: 999px; background: rgba(255,255,255,0.09); }
  .growth-axis i::after { display: block; width: var(--value); height: 100%; border-radius: inherit; content: ""; background: linear-gradient(90deg, var(--orange), var(--pink)); }
  .growth-94 { --value: 94%; } .growth-79 { --value: 79%; } .growth-65 { --value: 65%; } .growth-48 { --value: 48%; }

  .schedule-visual { display: grid; align-content: center; gap: 0.55rem; padding: 1.1rem; background: linear-gradient(145deg, rgba(185,255,102,0.08), rgba(255,255,255,0.025)); }
  .schedule-visual > div { display: grid; grid-template-columns: 4rem 1fr auto; align-items: center; gap: 0.8rem; padding: 0.82rem; border: 1px solid var(--line); border-radius: 0.7rem; background: rgba(255,255,255,0.025); font-size: 0.69rem; }
  .schedule-visual time { color: var(--acid); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-weight: 850; }
  .schedule-visual strong { padding: 0.28rem 0.43rem; border-radius: 999px; color: #bce7c3; background: rgba(112,225,170,0.1); font-size: 0.57rem; text-transform: uppercase; }

  .lab { border-top: 1px solid var(--line); background: linear-gradient(145deg, rgba(118,232,221,0.045), transparent 38%); }
  .lab-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.92fr); align-items: center; gap: clamp(3rem, 7vw, 7rem); }
  .lab-copy h2 { max-width: 12ch; margin-bottom: 1.2rem; font-size: clamp(2.8rem, 5.7vw, 5.7rem); line-height: 0.96; letter-spacing: -0.065em; }
  .lab-copy > p:not(.section-kicker) { max-width: 43rem; color: var(--muted); line-height: 1.75; }
  .lab-principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; margin-top: 2rem; }
  .lab-principles article { min-height: 10rem; padding: 1.1rem; border: 1px solid var(--line); border-radius: 0.9rem; background: rgba(13,17,22,0.55); }
  .lab-principles span { display: block; margin-bottom: 1.1rem; color: var(--acid); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.62rem; }
  .lab-principles strong { display: block; margin-bottom: 0.45rem; font-size: 0.92rem; }
  .lab-principles p { color: var(--dim); font-size: 0.76rem; line-height: 1.6; }

  .terminal-card { overflow: hidden; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: #080b0d; box-shadow: var(--shadow); }
  .terminal-header, .terminal-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 3.2rem; padding: 0 1rem; border-bottom: 1px solid var(--line); color: var(--dim); background: #11161b; font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.63rem; }
  .terminal-header > :last-child { justify-self: end; color: var(--acid); }
  .terminal-lights { display: flex; gap: 0.35rem; }
  .terminal-lights i { width: 0.46rem; aspect-ratio: 1; border-radius: 50%; background: #ff6f80; }
  .terminal-lights i:nth-child(2) { background: #ffd166; }
  .terminal-lights i:nth-child(3) { background: #70e1aa; }
  .terminal-output { height: 27rem; overflow: auto; padding: 1.25rem; color: #b8c5be; background: repeating-linear-gradient(to bottom, transparent 0, transparent 3px, rgba(255,255,255,0.012) 4px); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.74rem; line-height: 1.75; white-space: pre-wrap; scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
  .terminal-footer { grid-template-columns: 1fr auto; border-top: 1px solid var(--line); border-bottom: 0; }
  .terminal-cursor { width: 0.6rem; height: 1rem; background: var(--acid); }

  .method { border-top: 1px solid var(--line); }
  .method-track { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); list-style: none; background: var(--surface); }
  .method-track li { position: relative; min-height: 13rem; padding: 1.25rem; border-right: 1px solid var(--line); }
  .method-track li:last-child { border-right: 0; }
  .method-track span { display: block; margin-bottom: 2rem; color: var(--acid); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.62rem; }
  .method-track strong { display: block; margin-bottom: 0.5rem; }
  .method-track p { color: var(--dim); font-size: 0.76rem; line-height: 1.6; }
  .method-track li::after { position: absolute; top: 1.25rem; right: 0.8rem; color: var(--dim); content: "→"; }
  .method-track li:last-child::after { color: var(--acid); content: "✓"; }

  .about { border-top: 1px solid var(--line); background: linear-gradient(180deg, rgba(185,255,102,0.04), transparent 42%); }
  .about-grid { display: grid; grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr); gap: clamp(3rem, 7vw, 7rem); }
  .about-intro { position: sticky; top: 7rem; align-self: start; }
  .about-intro h2 { max-width: 11ch; margin-bottom: 1.15rem; font-size: clamp(2.7rem, 5vw, 5rem); line-height: 0.96; letter-spacing: -0.062em; }
  .about-intro > p:not(.section-kicker) { color: var(--muted); line-height: 1.75; }
  .about-cards { display: grid; gap: 1rem; }
  .about-card { min-height: 17rem; padding: clamp(1.3rem, 3vw, 1.8rem); border: 1px solid var(--line); border-radius: var(--radius-md); background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01)), var(--surface); }
  .about-card:nth-child(even) { transform: translateX(2rem); }
  .js .about-card:nth-child(even) { transform: translate(2rem, 1.4rem); }
  .js .about-card:nth-child(even).is-visible { transform: translateX(2rem); }
  .about-card span { display: block; margin-bottom: 2rem; color: var(--acid); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.64rem; text-transform: uppercase; }
  .about-card h3 { max-width: 22ch; margin-bottom: 0.75rem; font-size: clamp(1.45rem, 2.5vw, 2.1rem); line-height: 1.08; letter-spacing: -0.04em; }
  .about-card p { max-width: 42rem; color: var(--muted); line-height: 1.7; }

  .contact { border-top: 1px solid var(--line); }
  .contact-panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 2rem; overflow: hidden; padding: clamp(1.6rem, 5vw, 3.5rem); border: 1px solid rgba(185,255,102,0.33); border-radius: var(--radius-lg); background: radial-gradient(circle at 86% 12%, rgba(185,255,102,0.21), transparent 24rem), linear-gradient(145deg, rgba(185,255,102,0.1), rgba(19,24,31,0.94) 48%); box-shadow: var(--shadow); }
  .contact-panel h2 { max-width: 13ch; margin-bottom: 1rem; font-size: clamp(2.7rem, 5.5vw, 5.5rem); line-height: 0.96; letter-spacing: -0.064em; }
  .contact-panel p:not(.section-kicker) { max-width: 44rem; color: var(--muted); line-height: 1.75; }

  .site-footer { padding-block: 1.7rem; border-top: 1px solid var(--line); color: var(--dim); font-size: 0.75rem; }
  .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
  .footer-inner a { color: var(--muted); text-decoration: none; }
}

@layer utilities {
  @keyframes panel-enter { from { opacity: 0; transform: translateY(0.65rem); } to { opacity: 1; transform: translateY(0); } }
  @keyframes pulse { 0%, 100% { opacity: 0.65; transform: scale(0.9); } 50% { opacity: 1; transform: scale(1.1); } }
  @keyframes orbit { to { transform: rotate(1turn); } }
  @keyframes blink { 50% { opacity: 0; } }
  @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-0.45rem); } }

  @media (prefers-reduced-motion: no-preference) {
    .hero-orbit-a { animation: orbit 32s linear infinite; }
    .hero-orbit-b { animation: orbit 41s linear infinite reverse; }
    .console-live i { animation: pulse 2.7s ease-in-out infinite; }
    .architecture-visual path { animation: dash 14s linear infinite; }
    .dialogue-a { animation: float 6s ease-in-out infinite; }
    .dialogue-b { animation: float 7s ease-in-out 0.8s infinite; }
    .dialogue-c { animation: float 6.5s ease-in-out 1.4s infinite; }
    .terminal-cursor { animation: blink 1s steps(1) infinite; }
    @keyframes dash { to { stroke-dashoffset: -120; } }
  }
}

@layer responsive {
  @media (max-width: 64rem) {
    .hero-grid, .lab-grid, .section-heading, .about-grid, .contact-panel { grid-template-columns: 1fr; }
    .hero-console, .terminal-card { width: min(46rem, 100%); }
    .signal-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .signal-strip > div:nth-child(2) { border-right: 0; }
    .signal-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .world-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .world-tabs button:nth-child(3n) { border-right: 0; }
    .world-tabs button:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
    .role-panel { grid-template-columns: 1fr; }
    .panel-visual { min-height: 20rem; }
    .method-track { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .method-track li:nth-child(3n) { border-right: 0; }
    .method-track li:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
    .about-intro { position: static; }
    .about-card:nth-child(even), .js .about-card:nth-child(even), .js .about-card:nth-child(even).is-visible { transform: none; }
  }

  @media (max-width: 48rem) {
    .nav-toggle { display: block; }
    .site-nav { position: absolute; top: calc(100% + 0.5rem); right: 1rem; left: 1rem; display: none; align-items: stretch; flex-direction: column; gap: 0.2rem; padding: 0.65rem; border: 1px solid var(--line-strong); border-radius: 1rem; background: rgba(13,17,22,0.98); box-shadow: var(--shadow); }
    .site-nav[data-open="true"] { display: flex; }
    .site-nav > a { min-height: 2.9rem; display: flex; align-items: center; padding: 0.7rem; border-radius: 0.65rem; }
    .site-nav > a:hover { background: rgba(255,255,255,0.04); }
    .hero { min-height: auto; }
    .hero h1 { font-size: clamp(3.1rem, 16.5vw, 5.5rem); }
    .role-line { grid-template-columns: 1fr; gap: 0.3rem; }
    .console-topbar { grid-template-columns: 1fr auto; }
    .console-topbar > :nth-child(2) { display: none; }
    .console-body { min-height: 29rem; }
    .profile-map div { grid-template-columns: 1fr; gap: 0.2rem; }
    .world-tabs { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
    .world-tabs::-webkit-scrollbar { display: none; }
    .world-tabs button { flex: 0 0 auto; min-width: 7.2rem; border-bottom: 0 !important; scroll-snap-align: start; }
    .role-panel { padding: 1.25rem; }
    .panel-copy h3 { font-size: clamp(2.4rem, 11vw, 4rem); }
    .board-visual { grid-template-columns: 1fr; }
    .panel-visual { min-height: 23rem; }
    .lab-principles { grid-template-columns: 1fr; }
    .method-track { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .method-track li, .method-track li:nth-child(3n) { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .method-track li:nth-child(2n) { border-right: 0; }
    .method-track li:nth-last-child(-n+2) { border-bottom: 0; }
    .footer-inner { align-items: flex-start; flex-direction: column; }
  }

  @media (max-width: 34rem) {
    .section { padding-block: 4.5rem; }
    .hero-actions { align-items: stretch; flex-direction: column; }
    .button { width: 100%; }
    .signal-strip { grid-template-columns: 1fr; }
    .signal-strip > div, .signal-strip > div:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
    .signal-strip > div:last-child { border-bottom: 0; }
    .architecture-node { width: 8rem; }
    .architecture-core { top: 45%; }
    .schedule-visual > div { grid-template-columns: 3.6rem 1fr; }
    .schedule-visual strong { display: none; }
    .method-track { grid-template-columns: 1fr; }
    .method-track li, .method-track li:nth-child(2n), .method-track li:nth-last-child(-n+2) { border-right: 0; border-bottom: 1px solid var(--line); }
    .method-track li:last-child { border-bottom: 0; }
    .method-track li::after { content: "↓"; }
    .method-track li:last-child::after { content: "✓"; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-delay: 0ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
    .js .reveal { opacity: 1; transform: none; }
  }

  @media (prefers-reduced-transparency: reduce) {
    .site-header, .world-switcher, .hero-console { -webkit-backdrop-filter: none; backdrop-filter: none; background: var(--bg-raised); }
  }
}

@layer responsive {
  main, .site-footer { position: relative; z-index: 1; }
  .pointer-glow { z-index: 0; }
  .hero-orbit { border-top-color: rgba(185, 255, 102, 0.38); border-right-color: rgba(118, 232, 221, 0.2); }

  @media (max-width: 48rem) {
    .no-js .nav-toggle { display: none; }
    .no-js .site-nav { position: static; display: flex; align-items: flex-end; margin-left: auto; padding: 0; border: 0; background: transparent; box-shadow: none; }
    .no-js .site-nav > a:not(.nav-cta) { display: none; }
  }
}