:root {
  color-scheme: dark;
  --bg: #07100f;
  --bg-soft: #0a1614;
  --surface: rgba(18, 36, 32, 0.72);
  --surface-strong: #10231f;
  --surface-light: #16322c;
  --line: rgba(182, 255, 221, 0.14);
  --line-strong: rgba(182, 255, 221, 0.28);
  --text: #f1fff9;
  --muted: #9db8ae;
  --mint: #7cf3c5;
  --mint-2: #a7ffd9;
  --lime: #c8ff74;
  --peach: #ffbb8a;
  --blue: #7bc8ff;
  --danger: #ff9e9e;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
  --radius-sm: 14px;
  --radius: 24px;
  --radius-lg: 36px;
  --max: 1200px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Avenir Next", "Segoe UI", var(--font);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 84% 2%, rgba(124, 243, 197, 0.11), transparent 24rem),
    radial-gradient(circle at 4% 38%, rgba(123, 200, 255, 0.08), transparent 26rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(180, 255, 220, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(180, 255, 220, .025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

::selection { background: var(--mint); color: #07100f; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }

.skip-link {
  position: fixed; left: 16px; top: -80px; z-index: 100;
  background: var(--mint); color: #07100f; padding: 10px 14px; border-radius: 10px;
}
.skip-link:focus { top: 16px; }

.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.scrolled {
  background: rgba(7, 16, 15, .86);
  border-color: var(--line);
  box-shadow: 0 10px 35px rgba(0, 0, 0, .15);
  backdrop-filter: blur(20px);
}
.nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 780; letter-spacing: -.02em; }
.brand-logo { width: 176px; height: auto; filter: drop-shadow(0 0 12px rgba(123,200,255,.18)); }
.footer-brand .brand-logo { width: 42px; height: 42px; }
.brand-name { font-size: 1.04rem; }
.brand-name em { color: var(--mint); font-style: normal; }
.nav-links { display: flex; align-items: center; gap: 5px; }
.nav-links a {
  padding: 10px 12px; border-radius: 11px; color: var(--muted); font-size: .88rem; font-weight: 650;
  transition: color .2s ease, background .2s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); background: rgba(255,255,255,.045); }
.nav-links .nav-cta { margin-left: 5px; color: #07100f; background: var(--mint); padding-inline: 17px; }
.nav-links .nav-cta:hover { color: #07100f; background: var(--mint-2); }
.menu-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 13px;
  color: var(--text); background: rgba(255,255,255,.025); cursor: pointer;
}
.menu-toggle span, .menu-toggle::before, .menu-toggle::after {
  content: ""; display: block; width: 18px; height: 1.5px; margin: 4px auto; background: currentColor; transition: .2s ease;
}
.menu-toggle[aria-expanded="true"] span { opacity: 0; }
.menu-toggle[aria-expanded="true"]::before { transform: translateY(5.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"]::after { transform: translateY(-5.5px) rotate(-45deg); }

.hero { position: relative; overflow: hidden; padding: 150px 0 78px; min-height: 820px; display: grid; align-items: center; }
.hero::after {
  content: ""; position: absolute; left: 50%; bottom: 0; width: min(var(--max), calc(100% - 40px)); height: 1px;
  transform: translateX(-50%); background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(480px, .98fr); gap: 72px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px; color: var(--mint); text-transform: uppercase; letter-spacing: .14em; font-size: .73rem; font-weight: 800; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); letter-spacing: -.04em; line-height: 1.05; }
h1 { margin-bottom: 24px; font-size: clamp(3.6rem, 7vw, 6.7rem); font-weight: 650; max-width: 780px; }
h1 .accent { color: var(--mint); }
.hero-copy .lead { max-width: 680px; margin-bottom: 32px; color: #bed2ca; font-size: clamp(1.08rem, 1.6vw, 1.28rem); line-height: 1.6; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }
.button {
  min-height: 50px; padding: 0 20px; border: 1px solid transparent; border-radius: 14px; display: inline-flex;
  align-items: center; justify-content: center; gap: 10px; font-size: .9rem; font-weight: 760; transition: .2s ease;
}
.button::after { content: "↗"; font-size: 1rem; transition: transform .2s ease; }
.button:hover::after { transform: translate(2px, -2px); }
.button-primary { background: var(--mint); color: #06120e; box-shadow: 0 14px 38px rgba(124,243,197,.12); }
.button-primary:hover { background: var(--mint-2); transform: translateY(-2px); }
.button-secondary { border-color: var(--line-strong); background: rgba(255,255,255,.025); color: var(--text); }
.button-secondary:hover { background: rgba(255,255,255,.06); border-color: rgba(182,255,221,.45); transform: translateY(-2px); }
.hero-tags { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.hero-tags span { border: 1px solid var(--line); background: rgba(255,255,255,.025); color: var(--muted); padding: 7px 10px; border-radius: 999px; font-size: .76rem; }

.system-visual { position: relative; min-height: 560px; perspective: 1000px; }
.visual-glow { position: absolute; inset: 14% 8%; border-radius: 50%; background: rgba(124,243,197,.1); filter: blur(70px); }
.graph-shell {
  position: absolute; inset: 20px 0 0; border: 1px solid var(--line-strong); border-radius: 34px; padding: 24px;
  background: linear-gradient(145deg, rgba(19,44,37,.9), rgba(7,16,15,.86)); box-shadow: var(--shadow);
  transform: rotateY(-4deg) rotateX(2deg); overflow: hidden;
}
.graph-shell::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(124,243,197,.09), transparent 42%); pointer-events: none; }
.graph-top { position: relative; display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.graph-title { display: flex; align-items: center; gap: 9px; font-size: .8rem; font-weight: 750; letter-spacing: .02em; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 6px rgba(124,243,197,.08), 0 0 18px rgba(124,243,197,.5); }
.graph-state { color: var(--muted); font: 600 .7rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.graph-canvas { position: relative; min-height: 430px; margin-top: 18px; }
.connection-map { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.connection-map path { fill: none; stroke: rgba(124,243,197,.26); stroke-width: 1.5; stroke-dasharray: 5 7; animation: dash 14s linear infinite; }
.connection-map path:nth-child(2n) { stroke: rgba(123,200,255,.25); animation-direction: reverse; }
@keyframes dash { to { stroke-dashoffset: -120; } }
.node {
  position: absolute; min-width: 126px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 14px;
  background: rgba(6,19,16,.88); box-shadow: 0 14px 30px rgba(0,0,0,.18); backdrop-filter: blur(12px);
}
.node small { display: block; margin-bottom: 4px; color: var(--muted); font: 600 .62rem ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .08em; }
.node strong { display: block; font-size: .78rem; letter-spacing: -.01em; }
.node::after { content: ""; position: absolute; top: 50%; right: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 10px rgba(124,243,197,.7); }
.node-data { left: 2%; top: 12%; }
.node-transform { left: 35%; top: 3%; }
.node-llm { right: 2%; top: 16%; border-color: rgba(124,243,197,.32); }
.node-ml { left: 28%; top: 42%; }
.node-solver { right: 4%; top: 52%; }
.node-human { left: 5%; bottom: 7%; }
.node-output { right: 25%; bottom: 4%; border-color: rgba(200,255,116,.3); }
.graph-caption { position: absolute; right: 20px; bottom: 18px; color: var(--muted); font-size: .68rem; letter-spacing: .04em; }
.floating-note {
  position: absolute; z-index: 3; padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px;
  background: rgba(8,22,18,.88); color: var(--muted); font-size: .72rem; box-shadow: 0 16px 36px rgba(0,0,0,.26); backdrop-filter: blur(14px);
}
.floating-note strong { display: block; color: var(--text); margin-bottom: 2px; font-size: .76rem; }
.note-one { left: -30px; top: 90px; animation: float 5s ease-in-out infinite; }
.note-two { right: -24px; bottom: 36px; animation: float 6s ease-in-out infinite reverse; }
@keyframes float { 50% { transform: translateY(-8px); } }

.signal-strip { border-bottom: 1px solid var(--line); }
.signal-grid { min-height: 96px; display: grid; grid-template-columns: repeat(4,1fr); }
.signal-item { display: flex; flex-direction: column; justify-content: center; padding: 18px 24px; border-left: 1px solid var(--line); }
.signal-item:last-child { border-right: 1px solid var(--line); }
.signal-item strong { margin-bottom: 3px; color: var(--text); font-size: .84rem; }
.signal-item span { color: var(--muted); font-size: .76rem; }

.section { padding: 112px 0; position: relative; }
.section-tight { padding: 84px 0; }
.section.alt { background: linear-gradient(180deg, rgba(12,27,23,.68), rgba(7,16,15,.12)); border-block: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: .75fr 1.25fr; gap: 48px; align-items: start; margin-bottom: 48px; }
.section-label { color: var(--mint); font-size: .73rem; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; }
.section-title { max-width: 850px; margin-bottom: 18px; font-size: clamp(2.4rem, 4.8vw, 4.5rem); font-weight: 610; }
.section-intro { max-width: 760px; margin-bottom: 0; color: var(--muted); font-size: 1.03rem; }

.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.model-card {
  min-height: 390px; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(23,49,42,.68), rgba(9,20,18,.72)); overflow: hidden; position: relative; transition: .25s ease;
}
.model-card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: 0 24px 60px rgba(0,0,0,.18); }
.model-card::before { content: ""; position: absolute; inset: auto -15% -30% 15%; height: 230px; border-radius: 50%; background: var(--card-glow, rgba(124,243,197,.08)); filter: blur(40px); }
.card-icon { width: 46px; height: 46px; display: grid; place-items: center; margin-bottom: 54px; border: 1px solid var(--line-strong); border-radius: 14px; background: rgba(255,255,255,.035); color: var(--card-accent, var(--mint)); }
.card-icon svg { width: 22px; height: 22px; }
.model-card h3 { position: relative; margin-bottom: 14px; font-size: 1.65rem; font-weight: 620; }
.model-card p { position: relative; color: var(--muted); font-size: .92rem; }
.model-list { position: relative; display: grid; gap: 10px; margin: auto 0 0; padding: 0; list-style: none; }
.model-list li { display: flex; align-items: center; gap: 9px; color: #c7dbd3; font-size: .8rem; }
.model-list li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--card-accent, var(--mint)); box-shadow: 0 0 10px currentColor; }
.card-blue { --card-accent: var(--blue); --card-glow: rgba(123,200,255,.08); }
.card-lime { --card-accent: var(--lime); --card-glow: rgba(200,255,116,.07); }

.platform-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 56px; align-items: center; }
.feature-stack { display: grid; gap: 14px; }
.feature-row { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.02); }
.feature-number { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; color: var(--mint); background: rgba(124,243,197,.08); font: 700 .72rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.feature-row h3 { margin-bottom: 6px; font-size: 1.02rem; letter-spacing: -.02em; }
.feature-row p { margin-bottom: 0; color: var(--muted); font-size: .82rem; }
.architecture-panel { min-height: 570px; position: relative; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(10,25,21,.72); overflow: hidden; }
.architecture-panel::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(124,243,197,.2) 1px, transparent 1px); background-size: 28px 28px; mask-image: linear-gradient(to bottom right, black, transparent); opacity: .28; }
.arch-layer { position: absolute; left: 8%; right: 8%; padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(9,25,20,.92); box-shadow: 0 16px 40px rgba(0,0,0,.15); }
.arch-layer strong { display: block; margin-bottom: 5px; font-size: .82rem; }
.arch-layer span { color: var(--muted); font-size: .72rem; }
.arch-layer::before { content: attr(data-index); position: absolute; left: -18px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--surface-strong); border: 1px solid var(--line-strong); color: var(--mint); font: 700 .64rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.arch-1 { top: 8%; }
.arch-2 { top: 28%; }
.arch-3 { top: 48%; }
.arch-4 { top: 68%; }
.arch-arrow { position: absolute; left: 50%; width: 1px; height: 34px; background: linear-gradient(var(--mint), transparent); }
.arrow-1 { top: 22%; } .arrow-2 { top: 42%; } .arrow-3 { top: 62%; }
.arch-footer { position: absolute; left: 8%; right: 8%; bottom: 6%; display: flex; justify-content: space-between; color: var(--muted); font: 600 .66rem ui-monospace, SFMono-Regular, Menlo, monospace; }

.deploy-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.deploy-card { padding: 23px; border-top: 1px solid var(--line-strong); background: linear-gradient(180deg, rgba(255,255,255,.03), transparent); }
.deploy-card svg { width: 24px; height: 24px; margin-bottom: 30px; color: var(--mint); }
.deploy-card h3 { margin-bottom: 10px; font-size: 1.05rem; letter-spacing: -.02em; }
.deploy-card p { margin-bottom: 0; color: var(--muted); font-size: .8rem; }

.application-grid { display: grid; grid-template-columns: repeat(12,1fr); gap: 16px; }
.app-card { min-height: 310px; position: relative; overflow: hidden; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.025); }
.app-card:nth-child(1), .app-card:nth-child(4) { grid-column: span 7; }
.app-card:nth-child(2), .app-card:nth-child(3) { grid-column: span 5; }
.app-card::after { content: ""; position: absolute; right: -60px; bottom: -80px; width: 220px; height: 220px; border-radius: 50%; background: var(--app-glow, rgba(124,243,197,.09)); filter: blur(20px); }
.app-meta { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 12px; margin-bottom: 70px; }
.app-sector { color: var(--mint); font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.app-region { color: var(--muted); font-size: .68rem; }
.app-card h3 { position: relative; z-index: 1; margin-bottom: 12px; max-width: 500px; font-size: 1.55rem; }
.app-card p { position: relative; z-index: 1; max-width: 600px; margin-bottom: 0; color: var(--muted); font-size: .86rem; }
.app-blue { --app-glow: rgba(123,200,255,.11); }
.app-peach { --app-glow: rgba(255,187,138,.1); }
.app-lime { --app-glow: rgba(200,255,116,.09); }

.principles { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--line); }
.principle { padding: 30px; background: var(--bg-soft); }
.principle small { color: var(--mint); font: 700 .65rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.principle h3 { margin: 38px 0 12px; font-size: 1.3rem; }
.principle p { margin-bottom: 0; color: var(--muted); font-size: .83rem; }

.cta-band { padding: 84px 0; }
.cta-shell { position: relative; overflow: hidden; padding: 60px; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: linear-gradient(120deg, rgba(25,63,51,.86), rgba(9,22,19,.9)); }
.cta-shell::after { content: ""; position: absolute; top: -180px; right: -100px; width: 420px; height: 420px; border: 1px solid rgba(124,243,197,.18); border-radius: 50%; box-shadow: 0 0 0 50px rgba(124,243,197,.025), 0 0 0 100px rgba(124,243,197,.015); }
.cta-shell h2 { position: relative; z-index: 1; max-width: 750px; margin-bottom: 18px; font-size: clamp(2.4rem, 4.8vw, 4.5rem); font-weight: 610; }
.cta-shell p { position: relative; z-index: 1; max-width: 620px; color: #c5d9d1; }
.cta-shell .button { position: relative; z-index: 1; margin-top: 14px; }

.footer { border-top: 1px solid var(--line); padding: 42px 0 34px; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: start; }
.footer-brand p { max-width: 430px; margin: 18px 0 0; color: var(--muted); font-size: .78rem; }
.footer-links { display: flex; gap: 38px; }
.footer-col { display: grid; gap: 8px; }
.footer-col strong { margin-bottom: 6px; color: var(--text); font-size: .75rem; }
.footer-col a { color: var(--muted); font-size: .75rem; }
.footer-col a:hover { color: var(--mint); }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); color: #6f8b81; font-size: .7rem; }

/* Internal pages */
.page-hero { padding: 158px 0 86px; border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; right: -160px; top: 40px; width: 560px; height: 560px; border: 1px solid rgba(124,243,197,.1); border-radius: 50%; box-shadow: 0 0 0 70px rgba(124,243,197,.018), 0 0 0 140px rgba(124,243,197,.012); }
.page-hero-grid { position: relative; display: grid; grid-template-columns: 1fr .7fr; gap: 60px; align-items: end; }
.page-label { margin-bottom: 24px; color: var(--mint); font-size: .72rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.page-hero h1 { max-width: 880px; margin-bottom: 22px; font-size: clamp(3.1rem, 6vw, 5.8rem); }
.page-hero .lead { max-width: 700px; color: #b8cec5; font-size: 1.12rem; }
.page-stat { justify-self: end; max-width: 280px; border-left: 1px solid var(--line-strong); padding-left: 22px; }
.page-stat strong { display: block; margin-bottom: 8px; color: var(--mint); font-size: 1rem; }
.page-stat span { color: var(--muted); font-size: .8rem; }
.content-section { padding: 94px 0; }
.content-layout { display: grid; grid-template-columns: minmax(0,1fr) 310px; gap: 74px; align-items: start; }
.prose h2 { margin: 58px 0 16px; font-size: clamp(1.8rem,3vw,2.65rem); font-weight: 620; }
.prose h2:first-child { margin-top: 0; }
.prose p { max-width: 790px; color: #b3c8c0; font-size: .98rem; }
.prose ul { display: grid; gap: 10px; margin: 24px 0 0; padding: 0; list-style: none; }
.prose li { position: relative; padding-left: 22px; color: #b3c8c0; font-size: .9rem; }
.prose li::before { content: ""; position: absolute; left: 0; top: .68em; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); }
.side-rail { position: sticky; top: 110px; display: grid; gap: 12px; }
.rail-card { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.025); }
.rail-card strong { display: block; margin-bottom: 8px; font-size: .82rem; }
.rail-card span { display: block; color: var(--muted); font-size: .73rem; }
.inline-diagram { margin: 40px 0; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.02); }
.process { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; align-items: center; }
.process-step { min-height: 120px; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: rgba(8,24,19,.82); }
.process-step small { color: var(--mint); font: 700 .62rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.process-step strong { display: block; margin-top: 24px; font-size: .78rem; }
.process-arrow { display: none; }

.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 54px; align-items: start; }
.contact-copy h2 { font-size: 2.8rem; }
.contact-copy p { color: var(--muted); }
.contact-points { display: grid; gap: 12px; margin-top: 32px; }
.contact-point { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; padding: 15px 0; border-top: 1px solid var(--line); }
.contact-point svg { width: 20px; height: 20px; color: var(--mint); margin-top: 2px; }
.contact-point strong { display: block; margin-bottom: 4px; font-size: .84rem; }
.contact-point span { color: var(--muted); font-size: .76rem; }
.contact-form { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.025); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { color: #c5d8d0; font-size: .74rem; font-weight: 700; }
.field input, .field textarea, .field select { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 13px 14px; color: var(--text); background: rgba(4,14,11,.7); outline: none; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: rgba(124,243,197,.55); box-shadow: 0 0 0 3px rgba(124,243,197,.08); }
.field textarea { min-height: 150px; resize: vertical; }
.form-note { margin: 14px 0 0; color: var(--muted); font-size: .7rem; }
.form-status { min-height: 24px; margin: 14px 0 0; color: var(--mint); font-size: .76rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1040px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 54px; }
  .hero-copy { max-width: 800px; }
  .system-visual { min-height: 520px; max-width: 680px; width: 100%; margin: 0 auto; }
  .model-grid { grid-template-columns: 1fr 1fr; }
  .model-card:last-child { grid-column: 1 / -1; min-height: 330px; }
  .platform-grid { grid-template-columns: 1fr; }
  .architecture-panel { min-height: 520px; }
  .deploy-grid { grid-template-columns: 1fr 1fr; }
  .page-hero-grid { grid-template-columns: 1fr; }
  .page-stat { justify-self: start; }
}

@media (max-width: 800px) {
  .container { width: min(100% - 28px, var(--max)); }
  .nav { min-height: 70px; }
  .menu-toggle { display: block; }
  .nav-links {
    position: absolute; left: 14px; right: 14px; top: 76px; display: none; padding: 12px; border: 1px solid var(--line);
    border-radius: 18px; background: rgba(7,16,15,.96); box-shadow: var(--shadow); backdrop-filter: blur(18px);
  }
  .nav-links.open { display: grid; }
  .nav-links a { padding: 12px 14px; }
  .nav-links .nav-cta { margin: 4px 0 0; }
  .hero { padding-top: 122px; }
  h1 { font-size: clamp(3rem, 15vw, 5rem); }
  .system-visual { min-height: 500px; }
  .graph-shell { transform: none; }
  .floating-note { display: none; }
  .signal-grid { grid-template-columns: 1fr 1fr; }
  .signal-item:nth-child(3) { border-top: 1px solid var(--line); }
  .signal-item:nth-child(4) { border-top: 1px solid var(--line); }
  .section { padding: 82px 0; }
  .section-head { grid-template-columns: 1fr; gap: 18px; }
  .model-grid { grid-template-columns: 1fr; }
  .model-card:last-child { grid-column: auto; }
  .deploy-grid { grid-template-columns: 1fr; }
  .application-grid { grid-template-columns: 1fr; }
  .app-card, .app-card:nth-child(n) { grid-column: auto; }
  .principles { grid-template-columns: 1fr; }
  .cta-shell { padding: 40px 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
  .content-layout { grid-template-columns: 1fr; gap: 54px; }
  .side-rail { position: static; grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero { padding-bottom: 58px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .system-visual { min-height: 460px; }
  .graph-shell { inset: 0; padding: 16px; border-radius: 24px; }
  .graph-canvas { min-height: 380px; }
  .node { min-width: 108px; padding: 10px; }
  .node-transform { left: 38%; }
  .node-ml { left: 18%; }
  .node-output { right: 8%; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal-item { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .section-title { font-size: 2.5rem; }
  .model-card { min-height: 340px; }
  .architecture-panel { min-height: 560px; }
  .arch-layer { left: 12%; right: 6%; }
  .arch-footer { display: none; }
  .app-card { min-height: 330px; }
  .app-meta { margin-bottom: 54px; }
  .footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
  .page-hero { padding-top: 128px; }
  .page-hero h1 { font-size: 3.15rem; }
  .side-rail { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .process-step { min-height: 90px; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}