:root {
  color-scheme: dark;
  --bg: #080b0d;
  --bg-deep: #050708;
  --panel: #0d1214;
  --panel-raised: #11181a;
  --panel-soft: #0b1113;
  --text: #edf5f2;
  --text-2: #a9b7b3;
  --text-3: #6f7e7a;
  --line: rgba(211, 238, 228, 0.11);
  --line-strong: rgba(211, 238, 228, 0.2);
  --green: #42d392;
  --green-bright: #6ee7ae;
  --green-dark: #102b20;
  --blue: #38bdf8;
  --blue-dark: #0c2632;
  --warning: #f7c873;
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --shell: 1180px;
  --shadow: 0 32px 80px rgba(0, 0, 0, .32);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.6), transparent 48%);
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
p, h1, h2, h3, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; }

.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.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; left: 18px; top: -80px; z-index: 1000; padding: 10px 14px; border-radius: 8px; color: #07120d; background: var(--green); font-weight: 700; }
.skip-link:focus { top: 18px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(8, 11, 13, .72);
  backdrop-filter: blur(18px);
  transition: border-color .2s ease, background .2s ease;
}
.site-header.scrolled { border-color: var(--line); background: rgba(8, 11, 13, .92); }
.nav-shell { height: 70px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); font-size: 18px; font-weight: 760; letter-spacing: -.02em; }
.brand-mark {
  position: relative;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  border: 1px solid rgba(101, 232, 170, .42);
  border-radius: 9px;
  background: linear-gradient(145deg, rgba(66, 211, 146, .22), rgba(56, 189, 248, .09));
  box-shadow: inset 0 0 16px rgba(66, 211, 146, .1), 0 0 18px rgba(66, 211, 146, .08);
}
.brand-mark::before, .brand-mark::after, .brand-mark span::before {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(66, 211, 146, .55);
}
.brand-mark::before { width: 6px; height: 6px; left: 7px; top: 16px; }
.brand-mark::after { width: 5px; height: 5px; right: 6px; top: 8px; background: var(--blue); }
.brand-mark span::before { width: 5px; height: 5px; right: 7px; bottom: 6px; }
.brand-mark span::after {
  content: "";
  position: absolute;
  inset: 10px 9px;
  border-left: 1px solid var(--green);
  border-top: 1px solid var(--blue);
  transform: rotate(48deg);
  opacity: .85;
}
.site-nav { display: flex; align-items: center; gap: 31px; }
.site-nav a { position: relative; color: var(--text-2); font-size: 14px; font-weight: 580; transition: color .18s ease; }
.site-nav a:hover, .site-nav a.active { color: var(--text); }
.site-nav a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -25px; height: 1px; background: var(--green); }
.site-nav .language-switch { padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--text-2); font-size: 12px; }
.site-nav .language-switch:hover { border-color: rgba(66,211,146,.35); color: var(--green); background: rgba(66,211,146,.05); }
.site-nav .language-switch::after { display: none; }
.site-nav .nav-cta { padding: 8px 14px; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--text); }
.site-nav .nav-cta:hover { border-color: rgba(66,211,146,.55); background: rgba(66,211,146,.06); }
.site-nav .nav-cta::after { display: none; }
.theme-toggle { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--text); background: rgba(255,255,255,.025); cursor: pointer; transition: color .18s ease, border-color .18s ease, background .18s ease, transform .18s ease; }
.theme-toggle:hover { transform: translateY(-1px); border-color: rgba(66,211,146,.45); color: var(--green); background: rgba(66,211,146,.07); }
.theme-toggle span { display: block; font-size: 17px; line-height: 1; }
.menu-button { display: none; border: 0; padding: 8px; background: transparent; cursor: pointer; }
.menu-button > span:not(.sr-only) { display: block; width: 22px; height: 1px; margin: 5px 0; background: var(--text); }

.hero { position: relative; overflow: hidden; padding: 112px 0 106px; border-bottom: 1px solid var(--line); }
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 140px; pointer-events: none; background: linear-gradient(to top, rgba(8,11,13,.82), transparent); }
.hero-glow { position: absolute; pointer-events: none; border-radius: 50%; filter: blur(1px); opacity: .85; }
.hero-glow-one { width: 560px; height: 560px; right: 2%; top: -190px; background: radial-gradient(circle, rgba(56,189,248,.12), rgba(8,11,13,0) 68%); }
.hero-glow-two { width: 600px; height: 600px; left: 3%; bottom: -400px; background: radial-gradient(circle, rgba(66,211,146,.1), rgba(8,11,13,0) 68%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.04fr .96fr; gap: 72px; align-items: center; }
.eyebrow, .kicker, .doc-label { color: var(--green); font-size: 12px; font-weight: 760; letter-spacing: .14em; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 24px; }
.eyebrow span { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px rgba(66,211,146,.85); }
.hero h1 { max-width: 680px; font-size: clamp(46px, 5.5vw, 72px); line-height: 1.08; letter-spacing: -.055em; font-weight: 760; }
.gradient-text { display: inline-block; background: linear-gradient(100deg, var(--green-bright), var(--green) 45%, var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { max-width: 650px; margin-top: 28px; color: var(--text-2); font-size: 18px; line-height: 1.8; }
.button-row { display: flex; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 21px; border: 1px solid transparent; border-radius: var(--radius-sm); font-size: 14px; font-weight: 680; transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #07130d; background: linear-gradient(135deg, var(--green-bright), var(--green)); box-shadow: 0 14px 36px rgba(66,211,146,.14); }
.button-primary:hover { box-shadow: 0 18px 40px rgba(66,211,146,.23); }
.button-secondary { color: var(--text); border-color: var(--line-strong); background: rgba(255,255,255,.025); }
.button-secondary:hover { border-color: rgba(66,211,146,.38); background: rgba(66,211,146,.05); }
.privacy-note { display: flex; align-items: center; gap: 8px; margin-top: 22px; color: var(--text-3); font-size: 13px; }
.privacy-note span { color: var(--green); font-size: 7px; }

.workspace-card { position: relative; color-scheme: dark; --text: #edf5f2; --text-2: #a9b7b3; --text-3: #82918d; --line: rgba(211,238,228,.11); --line-strong: rgba(211,238,228,.2); --green: #42d392; --green-dark: #102b20; border: 1px solid rgba(156, 216, 198, .2); border-radius: 22px; overflow: hidden; color: var(--text); background: rgba(12,18,20,.96); box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,.02) inset; transform: perspective(1200px) rotateY(-2deg) rotateX(1deg); }
.workspace-card::before { content: ""; position: absolute; inset: -1px; z-index: -1; border-radius: 22px; background: linear-gradient(135deg, rgba(66,211,146,.22), transparent 34%, transparent 68%, rgba(56,189,248,.14)); }
.workspace-topbar { height: 48px; padding: 0 17px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.015); }
.workspace-brand { display: flex; align-items: center; gap: 8px; color: var(--text-2); font-size: 12px; font-weight: 650; letter-spacing: .03em; }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px rgba(66,211,146,.65); }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 5px; height: 5px; border-radius: 50%; background: #34413e; }
.workspace-body { padding: 18px; }
.workspace-context { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.018); }
.workspace-context > div { display: flex; flex-direction: column; gap: 1px; }
.micro-label { color: var(--text-3); font-size: 11px; letter-spacing: .08em; }
.workspace-context strong { font-size: 14px; }
.safe-pill { padding: 4px 8px; border: 1px solid rgba(66,211,146,.22); border-radius: 999px; color: var(--green); background: rgba(66,211,146,.07); font-size: 11px; }
.mode-switch { display: grid; grid-template-columns: repeat(4,1fr); gap: 5px; margin: 12px 0; padding: 4px; border-radius: 9px; background: #080c0d; }
.mode-switch button { padding: 7px 4px; border: 0; border-radius: 6px; color: var(--text-3); background: transparent; font-size: 12px; text-align: center; cursor: pointer; transition: color .16s ease, background .16s ease, box-shadow .16s ease; }
.mode-switch button:hover { color: var(--text); }
.mode-switch button:focus-visible { outline: 2px solid var(--green); outline-offset: 1px; }
.mode-switch .selected { color: var(--text); background: #17231f; box-shadow: inset 0 0 0 1px rgba(66,211,146,.18); }
.chat-preview { min-height: 305px; padding: 18px 4px 8px; display: flex; flex-direction: column; gap: 13px; }
.message { max-width: 88%; padding: 11px 13px; border-radius: 11px; font-size: 13px; line-height: 1.65; }
.user-message { align-self: flex-end; color: #dbe9e4; background: #1b2623; }
.agent-message { max-width: 94%; padding: 14px; border: 1px solid var(--line); color: var(--text-2); background: rgba(255,255,255,.016); }
.agent-line { display: flex; align-items: center; gap: 8px; margin-bottom: 7px; color: var(--text); }
.agent-icon { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 6px; color: #0a1811; background: var(--green); font-size: 11px; font-weight: 800; }
.task-list { display: grid; gap: 7px; margin-top: 13px; }
.task-list span { display: flex; align-items: center; gap: 8px; color: #8c9c97; }
.task-list i { width: 18px; height: 18px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; font-size: 10px; font-style: normal; }
.task-list .check { border-color: rgba(66,211,146,.4); color: var(--green); background: rgba(66,211,146,.06); }
.task-list .muted { opacity: .5; }
.mode-updated .message { animation: modeFade .28s ease both; }
@keyframes modeFade { from { opacity: .42; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
.composer-faux { min-height: 42px; padding: 0 8px 0 13px; display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text-3); background: #0a0f10; font-size: 12px; }
.composer-faux b { width: 27px; height: 27px; display: grid; place-items: center; border-radius: 7px; color: #06130d; background: var(--green); font-size: 13px; }

.signal-strip { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.012); }
.signal-grid { min-height: 106px; display: grid; grid-template-columns: repeat(4,1fr); align-items: center; }
.signal-grid > div { display: flex; flex-direction: column; gap: 4px; padding: 0 28px; border-right: 1px solid var(--line); }
.signal-grid > div:first-child { padding-left: 0; }
.signal-grid > div:last-child { border-right: 0; }
.signal-grid strong { font-size: 14px; font-weight: 680; letter-spacing: -.01em; }
.signal-grid span { color: var(--text-3); font-size: 14px; }

.section { padding: 118px 0; }
.section-heading { max-width: 720px; margin-bottom: 58px; }
.kicker, .doc-label { margin-bottom: 15px; }
.section-heading h2, .workflow-copy h2, .heritage-card h2, .cta-card h2, .catalog-heading h2, .extension-grid h2 { font-size: clamp(34px, 4.5vw, 52px); line-height: 1.16; letter-spacing: -.045em; }
.section-heading > p:last-child { max-width: 570px; margin-top: 20px; color: var(--text-2); }
.feature-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 16px; }
.feature-card { position: relative; grid-column: span 2; min-height: 320px; padding: 31px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: linear-gradient(145deg, rgba(17,24,26,.9), rgba(9,14,15,.92)); transition: transform .22s ease, border-color .22s ease; }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(66,211,146,.25); }
.feature-large { grid-column: span 3; min-height: 430px; }
.feature-half { grid-column: span 3; }
.feature-card::after { content: ""; position: absolute; width: 220px; height: 220px; right: -110px; bottom: -130px; border-radius: 50%; background: radial-gradient(circle, rgba(66,211,146,.09), transparent 68%); }
.feature-index, .skill-category { color: var(--text-3); font-size: 12px; font-weight: 720; letter-spacing: .12em; }
.feature-card h3 { margin-top: 16px; font-size: 25px; letter-spacing: -.025em; }
.feature-card > p:not(.feature-index) { max-width: 480px; margin-top: 14px; color: var(--text-2); font-size: 14px; }
.feature-icon { width: 42px; height: 42px; margin-bottom: 46px; border: 1px solid rgba(66,211,146,.25); border-radius: 11px; background: rgba(66,211,146,.07); }
.book-icon { position: relative; }
.book-icon::before { content: ""; position: absolute; left: 10px; top: 9px; width: 17px; height: 20px; border: 1px solid var(--green); border-radius: 2px 6px 6px 2px; }
.book-icon::after { content: ""; position: absolute; left: 16px; top: 9px; height: 20px; border-left: 1px solid rgba(66,211,146,.48); }
.column-icon { position: relative; }
.column-icon::before { content: ""; position: absolute; left: 14px; top: 7px; width: 12px; height: 26px; border: 1px solid var(--green); border-radius: 6px; background: repeating-linear-gradient(to bottom, transparent 0 5px, rgba(66,211,146,.38) 5px 6px); }
.knowledge-visual { position: absolute; left: 31px; right: 31px; bottom: 30px; display: flex; align-items: center; gap: 7px; }
.doc-chip, .answer-chip { padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px; color: var(--text-3); background: rgba(255,255,255,.02); font-size: 11px; }
.knowledge-visual i { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line), var(--green)); }
.answer-chip { border-color: rgba(66,211,146,.26); color: var(--green); background: rgba(66,211,146,.06); }
.flowsheet-visual { position: absolute; left: 31px; right: 31px; bottom: 34px; display: flex; align-items: center; }
.flowsheet-visual i { flex: 1; height: 1px; background: linear-gradient(90deg, var(--green), var(--blue)); }
.unit { position: relative; display: block; flex: 0 0 auto; border: 1px solid var(--green); box-shadow: 0 0 14px rgba(66,211,146,.08); }
.unit.feed { width: 28px; height: 28px; border-radius: 50%; }
.unit.tower { width: 25px; height: 76px; border-radius: 13px; background: repeating-linear-gradient(to bottom, transparent 0 12px, rgba(66,211,146,.26) 12px 13px); }
.unit.product { width: 46px; height: 26px; border-color: var(--blue); border-radius: 14px; }
.mini-pills { position: absolute; left: 31px; right: 31px; bottom: 31px; display: grid; grid-template-columns: repeat(4,1fr); gap: 4px; padding: 4px; border-radius: 8px; background: #070a0b; }
.mini-pills span { padding: 6px 2px; border-radius: 5px; color: var(--text-3); font-size: 11px; text-align: center; }
.mini-pills .active { color: var(--green); background: var(--green-dark); }
.folder-lines { position: absolute; left: 31px; right: 31px; bottom: 34px; display: grid; gap: 8px; }
.folder-lines i { display: block; height: 8px; border-radius: 3px; background: linear-gradient(90deg, rgba(56,189,248,.55), rgba(56,189,248,.05)); }
.folder-lines i:nth-child(2) { width: 82%; }
.folder-lines i:nth-child(3) { width: 59%; }
.text-link { display: inline-flex; align-items: center; gap: 9px; margin-top: 26px; color: var(--green); font-size: 13px; font-weight: 650; }
.text-link span { transition: transform .18s ease; }
.text-link:hover span { transform: translateX(4px); }

.workflow-section { border-block: 1px solid var(--line); background: #090d0f; }
.workflow-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 120px; align-items: start; }
.workflow-copy { position: sticky; top: 112px; }
.workflow-copy > p:not(.kicker) { max-width: 480px; margin-top: 24px; color: var(--text-2); }
.workflow-list { list-style: none; }
.workflow-list li { display: grid; grid-template-columns: 62px 1fr; gap: 18px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.workflow-list li:first-child { padding-top: 0; }
.workflow-list > li > span { color: var(--green); font-family: ui-monospace, monospace; font-size: 12px; }
.workflow-list strong { display: block; margin-bottom: 6px; font-size: 20px; }
.workflow-list p { color: var(--text-2); font-size: 14px; }

.brand-visual-section { padding-top: 30px; }
.brand-visual-card { display: grid; grid-template-columns: .72fr 1.28fr; gap: 54px; align-items: center; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(135deg, rgba(66,211,146,.045), rgba(56,189,248,.02)); }
.brand-visual-copy { padding: 28px 10px 28px 28px; }
.brand-visual-copy h2 { margin-top: 12px; font-size: clamp(30px, 3.8vw, 46px); line-height: 1.15; letter-spacing: -.04em; }
.brand-visual-copy > p:last-of-type { margin-top: 20px; color: var(--text-2); }
.brand-visual-card figure { width: 100%; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #05090b; }
.brand-visual-card img { display: block; width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; }
.brand-visual-card figcaption { padding: 11px 15px; color: #91a6a0; background: #080d0f; font-size: 12px; }

.heritage-section { padding-top: 90px; padding-bottom: 40px; }
.heritage-card { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; padding: 55px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(120deg, rgba(66,211,146,.06), rgba(56,189,248,.025)); }
.heritage-card h2 { font-size: clamp(30px, 3.8vw, 43px); }
.heritage-card > div:last-child { padding-top: 28px; color: var(--text-2); }
.heritage-card a { color: var(--green); border-bottom: 1px solid rgba(66,211,146,.3); }
.legal-copy { margin-top: 17px; color: var(--text-3); font-size: 13px; }
.cta-section { padding: 64px 0 110px; }
.cta-card { position: relative; display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; padding: 58px; border: 1px solid rgba(66,211,146,.2); border-radius: var(--radius-lg); overflow: hidden; background: linear-gradient(135deg, #0f1d18, #0b1518 65%, #0b1820); }
.cta-card::before { content: ""; position: absolute; width: 430px; height: 430px; right: -120px; top: -250px; border-radius: 50%; background: radial-gradient(circle, rgba(56,189,248,.15), transparent 68%); }
.cta-card h2 { font-size: clamp(32px, 4vw, 48px); }
.cta-actions { position: relative; z-index: 1; display: flex; gap: 10px; flex-wrap: wrap; }

.site-footer { border-top: 1px solid var(--line); background: var(--bg-deep); }
.footer-grid { display: grid; grid-template-columns: 1fr 190px 190px; gap: 70px; padding: 65px 0 48px; }
.footer-brand { margin-bottom: 15px; }
.footer-grid > div:first-child p { color: var(--text-3); font-size: 14px; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-links span { margin-bottom: 4px; color: var(--text-3); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.footer-links a { color: var(--text-2); font-size: 14px; }
.footer-links a:hover, .footer-bottom a:hover { color: var(--green); }
.footer-bottom { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); color: var(--text-3); font-size: 12px; }
.compact-footer { margin-top: 20px; }

/* Documentation */
.docs-tabs-wrap { position: sticky; top: 70px; z-index: 90; border-bottom: 1px solid var(--line); background: rgba(8,11,13,.9); backdrop-filter: blur(18px); }
.docs-tabs { height: 48px; display: flex; align-items: stretch; gap: 24px; overflow-x: auto; scrollbar-width: none; }
.docs-tabs::-webkit-scrollbar { display: none; }
.docs-tabs a { position: relative; display: inline-flex; flex: 0 0 auto; align-items: center; color: var(--text-3); font-size: 12px; font-weight: 650; white-space: nowrap; transition: color .16s ease; }
.docs-tabs a:hover, .docs-tabs a.active { color: var(--text); }
.docs-tabs a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--green); }
.docs-page { min-height: 100vh; }
.docs-shell { display: grid; grid-template-columns: 210px minmax(0, 700px) 160px; gap: 48px; align-items: start; justify-content: center; }
.docs-sidebar { position: sticky; top: 138px; padding: 49px 0 70px; max-height: calc(100vh - 138px); overflow-y: auto; }
.docs-title { display: flex; align-items: center; gap: 9px; margin-bottom: 27px; color: var(--text-2); font-size: 12px; font-weight: 750; letter-spacing: .12em; }
.docs-sidebar nav { display: grid; }
.docs-sidebar nav p { margin: 22px 0 7px; color: var(--text-3); font-size: 11px; font-weight: 760; letter-spacing: .13em; text-transform: uppercase; }
.docs-sidebar nav p:first-child { margin-top: 0; }
.docs-sidebar nav a { padding: 7px 10px; border-left: 1px solid var(--line); color: var(--text-3); font-size: 13px; transition: color .15s ease, border-color .15s ease, background .15s ease; }
.docs-sidebar nav a:hover, .docs-sidebar nav a.active { border-color: var(--green); color: var(--text); background: linear-gradient(90deg, rgba(66,211,146,.07), transparent); }
.docs-content { min-width: 0; padding: 62px 0 120px; }
.docs-hero, .doc-section { scroll-margin-top: 146px; }
.docs-hero { padding-bottom: 62px; border-bottom: 1px solid var(--line); }
.docs-hero h1 { font-size: clamp(46px, 7vw, 70px); line-height: 1.1; letter-spacing: -.05em; }
.docs-hero .lead { max-width: 670px; margin-top: 23px; color: var(--text-2); font-size: 18px; }
.doc-breadcrumb { margin: 0 0 18px; color: var(--green); font-size: 11px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.doc-breadcrumb span { margin: 0 8px; color: var(--text-3); }
.doc-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 27px; }
.doc-meta span { padding: 5px 9px; border: 1px solid var(--line); border-radius: 5px; color: var(--text-3); font-size: 11px; }
.doc-section { padding: 67px 0 10px; }
.doc-section h2 { margin-bottom: 20px; font-size: 32px; line-height: 1.25; letter-spacing: -.035em; }
.doc-section > p:not(.doc-label) { color: var(--text-2); }
.doc-section strong { color: var(--text); }
.doc-section code { padding: 2px 6px; border: 1px solid var(--line); border-radius: 5px; color: var(--green); background: rgba(66,211,146,.05); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .88em; }
.steps { display: grid; gap: 0; margin-top: 32px; list-style: none; }
.steps li { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.steps li > span { width: 26px; height: 26px; display: grid; place-items: center; border: 1px solid rgba(66,211,146,.3); border-radius: 7px; color: var(--green); font-size: 11px; }
.steps strong { display: block; margin-bottom: 4px; font-size: 15px; }
.steps p { color: var(--text-2); font-size: 14px; }
.callout, .warning { margin-top: 27px; padding: 18px 20px; border: 1px solid rgba(66,211,146,.18); border-radius: 10px; background: rgba(66,211,146,.045); }
.callout strong, .warning strong { display: block; margin-bottom: 4px; color: var(--green); font-size: 14px; }
.callout p, .warning p { color: var(--text-2); font-size: 14px; }
.mode-table { margin-top: 31px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.mode-row { display: grid; grid-template-columns: 120px 1fr 1fr; border-bottom: 1px solid var(--line); }
.mode-row:last-child { border-bottom: 0; }
.mode-row > span { padding: 15px; color: var(--text-2); font-size: 13px; }
.mode-row > span + span { border-left: 1px solid var(--line); }
.mode-row b, .mode-row small { display: block; }
.mode-row small { color: var(--text-3); font-size: 11px; }
.mode-head { background: rgba(255,255,255,.025); }
.mode-head > span { color: var(--text-3); font-size: 11px; font-weight: 720; letter-spacing: .08em; text-transform: uppercase; }
.doc-table-wrap { margin-top: 31px; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.01); }
.doc-table-wrap table { width: 100%; min-width: 660px; border-collapse: collapse; text-align: left; }
.doc-table-wrap th, .doc-table-wrap td { padding: 13px 14px; border-bottom: 1px solid var(--line); color: var(--text-2); font-size: 12px; line-height: 1.55; vertical-align: top; }
.doc-table-wrap thead th { color: var(--text); background: rgba(255,255,255,.025); font-size: 10px; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.doc-table-wrap tbody th { color: var(--text); font-weight: 700; white-space: nowrap; }
.doc-table-wrap tr:last-child th, .doc-table-wrap tr:last-child td { border-bottom: 0; }
.doc-table-wrap a { color: var(--green); text-decoration: none; }
.doc-table-wrap code { color: var(--green); font-size: 11px; }
.command-block { margin-top: 27px; padding: 18px 20px; overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: #05080a; color: #c9f9e4; font-size: 12px; line-height: 1.75; }
.capability-list { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 25px; list-style: none; }
.capability-list li { padding: 7px 10px; border: 1px solid rgba(66,211,146,.22); border-radius: 999px; background: rgba(66,211,146,.045); color: var(--green); font-size: 11px; font-weight: 700; }
.principle-grid, .security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 29px; }
.principle-grid > div, .security-grid > div { padding: 20px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.015); }
.principle-grid span { display: block; margin-bottom: 24px; color: var(--green); font-family: ui-monospace, monospace; font-size: 12px; }
.principle-grid strong, .security-grid strong { display: block; margin-bottom: 6px; font-size: 14px; }
.principle-grid p, .security-grid p { color: var(--text-3); font-size: 13px; }
.check-list, .plain-list { display: grid; gap: 13px; margin-top: 28px; list-style: none; }
.check-list li { display: grid; grid-template-columns: 28px 1fr; gap: 13px; padding: 15px; border: 1px solid var(--line); border-radius: 10px; }
.check-list li > span { color: var(--green); }
.check-list strong { display: block; margin-bottom: 3px; font-size: 14px; }
.check-list p { color: var(--text-3); font-size: 13px; }
.process-line { display: flex; align-items: center; margin-top: 34px; }
.process-line div { display: flex; flex-direction: column; align-items: center; gap: 7px; text-align: center; }
.process-line div span { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid rgba(66,211,146,.35); border-radius: 50%; color: var(--green); font-size: 12px; }
.process-line div strong { font-size: 12px; white-space: nowrap; }
.process-line i { flex: 1; height: 1px; margin: 0 9px 20px; background: linear-gradient(90deg, rgba(66,211,146,.5), rgba(56,189,248,.3)); }
.warning { border-color: rgba(247,200,115,.22); background: rgba(247,200,115,.045); }
.warning strong { color: var(--warning); }
.inline-card { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-top: 27px; padding: 19px 21px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.015); transition: border-color .18s ease, transform .18s ease; }
.inline-card:hover { transform: translateY(-2px); border-color: rgba(66,211,146,.28); }
.inline-card span { display: flex; flex-direction: column; }
.inline-card strong { font-size: 14px; }
.inline-card small { margin-top: 2px; color: var(--text-3); font-size: 11px; }
.inline-card b { color: var(--green); }
.security-grid { grid-template-columns: repeat(3,1fr); }
.plain-list { counter-reset: boundaries; }
.plain-list li { position: relative; padding: 4px 0 4px 30px; color: var(--text-2); font-size: 14px; }
.plain-list li::before { counter-increment: boundaries; content: counter(boundaries); position: absolute; left: 0; top: 5px; width: 19px; height: 19px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--text-3); font-size: 10px; }
.faq-list { margin-top: 27px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 0; color: var(--text); font-size: 14px; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--text-3); font-size: 18px; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 660px; padding: 0 0 20px; color: var(--text-2); font-size: 14px; }
.contact-section { margin-top: 52px; padding: 42px; border: 1px solid rgba(66,211,146,.18); border-radius: 18px; background: linear-gradient(135deg, rgba(66,211,146,.055), rgba(56,189,248,.025)); }
.docs-toc { position: sticky; top: 138px; padding: 49px 0 70px; }
.docs-toc-title { margin-bottom: 15px; color: var(--text-2); font-size: 12px; font-weight: 720; }
.docs-toc nav { display: grid; gap: 2px; }
.docs-toc a { padding: 5px 0; color: var(--text-3); font-size: 12px; line-height: 1.45; transition: color .15s ease; }
.docs-toc a:hover, .docs-toc a.active { color: var(--green); }
.docs-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 72px; padding-top: 28px; border-top: 1px solid var(--line); }
.docs-pager > span { min-height: 1px; }
.docs-pager a { display: flex; min-height: 78px; padding: 17px 18px; flex-direction: column; justify-content: center; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.012); transition: border-color .15s ease, background .15s ease, transform .15s ease; }
.docs-pager a.next { align-items: flex-end; text-align: right; }
.docs-pager a:hover { border-color: rgba(66,211,146,.36); background: rgba(66,211,146,.045); transform: translateY(-1px); }
.docs-pager a span { color: var(--text-3); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.docs-pager a strong { margin-top: 4px; color: var(--text); font-size: 13px; }
.token-metric-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 30px; }
.token-metric-grid > div { min-height: 154px; padding: 18px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.015); }
.token-metric-grid span { display: block; margin-bottom: 18px; color: var(--green); font-family: ui-monospace, monospace; font-size: 11px; text-transform: uppercase; }
.token-metric-grid strong { display: block; margin-bottom: 6px; font-size: 14px; }
.token-metric-grid p { color: var(--text-3); font-size: 12px; }

/* Skills */
.skills-hero { position: relative; padding: 116px 0 104px; overflow: hidden; text-align: center; border-bottom: 1px solid var(--line); }
.skills-grid-bg { position: absolute; inset: 0; background: radial-gradient(circle at 50% 20%, rgba(66,211,146,.12), transparent 37%), linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px); background-size: auto, 42px 42px, 42px 42px; mask-image: linear-gradient(to bottom, black, transparent 90%); }
.skills-hero .shell { position: relative; z-index: 1; }
.skills-hero .eyebrow { justify-content: center; }
.skills-hero h1 { font-size: clamp(44px, 6vw, 70px); line-height: 1.1; letter-spacing: -.052em; }
.skills-hero .shell > p:not(.eyebrow) { max-width: 670px; margin: 26px auto 0; color: var(--text-2); font-size: 17px; }
.skills-summary { display: flex; align-items: center; justify-content: center; gap: 22px; margin-top: 36px; color: var(--text-3); font-size: 13px; }
.skills-summary span { display: flex; align-items: center; gap: 6px; }
.skills-summary strong { color: var(--text); }
.skills-summary i { width: 1px; height: 17px; background: var(--line); }
.not-found { min-height: 100vh; display: grid; place-items: center; padding: 40px 0; }
.not-found .eyebrow, .not-found .button-row { justify-content: center; }
.skills-catalog { padding-top: 90px; }
.catalog-note { display: flex; align-items: center; gap: 16px; margin-bottom: 76px; padding: 18px 21px; border: 1px solid rgba(66,211,146,.16); border-radius: 12px; background: rgba(66,211,146,.035); }
.catalog-note p { color: var(--text-2); font-size: 14px; }
.lock-icon { position: relative; width: 28px; height: 28px; flex: 0 0 auto; border: 1px solid rgba(66,211,146,.25); border-radius: 8px; }
.lock-icon::before { content: ""; position: absolute; left: 8px; top: 11px; width: 10px; height: 9px; border: 1px solid var(--green); border-radius: 2px; }
.lock-icon::after { content: ""; position: absolute; left: 10px; top: 6px; width: 6px; height: 7px; border: 1px solid var(--green); border-bottom: 0; border-radius: 5px 5px 0 0; }
.catalog-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 38px; }
.catalog-heading h2 { font-size: 45px; }
.catalog-heading > span { color: var(--text-3); font-size: 13px; }
.skill-card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.skill-card { position: relative; min-height: 455px; padding: 31px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: linear-gradient(145deg, rgba(17,24,26,.9), rgba(8,13,14,.94)); transition: transform .2s ease, border-color .2s ease; }
.skill-card:hover { transform: translateY(-4px); border-color: rgba(66,211,146,.24); }
.featured-skill { background: linear-gradient(145deg, rgba(17,29,24,.95), rgba(8,15,15,.96)); }
.skill-topline { display: flex; align-items: center; justify-content: space-between; }
.skill-number { color: var(--text-3); font-family: ui-monospace, monospace; font-size: 12px; }
.skill-status { padding: 4px 8px; border: 1px solid var(--line); border-radius: 999px; color: var(--text-3); font-size: 10px; }
.skill-status.core { border-color: rgba(66,211,146,.22); color: var(--green); background: rgba(66,211,146,.05); }
.skill-symbol { position: relative; height: 86px; margin: 38px 0 25px; }
.simulation-symbol i { position: absolute; top: 31px; height: 1px; background: linear-gradient(90deg, var(--green), var(--blue)); }
.simulation-symbol i:nth-child(1) { left: 5px; width: 38%; }
.simulation-symbol i:nth-child(2) { left: 42%; top: 0; width: 24px; height: 70px; border: 1px solid var(--green); border-radius: 13px; background: repeating-linear-gradient(to bottom, transparent 0 10px, rgba(66,211,146,.35) 10px 11px); }
.simulation-symbol i:nth-child(3) { left: calc(42% + 24px); right: 5px; }
.knowledge-symbol i { position: absolute; border: 1px solid rgba(66,211,146,.3); border-radius: 7px; background: #0d1713; }
.knowledge-symbol i:nth-child(1) { width: 67px; height: 48px; left: 8px; top: 25px; }
.knowledge-symbol i:nth-child(2) { width: 67px; height: 48px; left: 25px; top: 12px; }
.knowledge-symbol i:nth-child(3) { width: 67px; height: 48px; left: 42px; top: 0; border-color: var(--green); }
.document-symbol i { position: absolute; width: 62px; height: 76px; left: 16px; top: 5px; border: 1px solid var(--blue); border-radius: 7px; }
.document-symbol i:nth-child(2) { left: 29px; top: 16px; border-color: rgba(56,189,248,.25); }
.planner-symbol i { position: absolute; left: 12px; right: 12px; height: 9px; border-radius: 4px; background: linear-gradient(90deg, var(--green), rgba(66,211,146,.04)); }
.planner-symbol i:nth-child(1) { top: 8px; }
.planner-symbol i:nth-child(2) { top: 36px; width: 74%; }
.planner-symbol i:nth-child(3) { top: 64px; width: 52%; }
.skill-card h3 { margin-top: 10px; font-size: 25px; letter-spacing: -.025em; }
.skill-card > p:not(.skill-category) { margin-top: 13px; color: var(--text-2); font-size: 14px; }
.skill-card dl { margin-top: 24px; padding-top: 13px; border-top: 1px solid var(--line); }
.skill-card dl > div { display: grid; grid-template-columns: 48px 1fr; gap: 10px; padding: 7px 0; }
.skill-card dt { color: var(--text-3); font-size: 12px; }
.skill-card dd { color: var(--text-2); font-size: 13px; }
.skill-footer { position: absolute; left: 31px; right: 31px; bottom: 27px; display: flex; gap: 6px; }
.skill-footer span { padding: 4px 7px; border: 1px solid var(--line); border-radius: 5px; color: var(--text-3); font-size: 10px; }
.extension-section { border-block: 1px solid var(--line); background: #090d0f; }
.extension-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: start; }
.extension-copy > p { margin-bottom: 32px; color: var(--text-2); }
.extension-rule { display: grid; grid-template-columns: 45px 1fr; gap: 15px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.extension-rule > span { color: var(--green); font-family: ui-monospace, monospace; font-size: 12px; }
.extension-rule strong { font-size: 15px; }
.extension-rule p { color: var(--text-3); font-size: 13px; }

/* Light theme */
html[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f8f6;
  --bg-deep: #edf2ef;
  --panel: #ffffff;
  --panel-raised: #f8fbf9;
  --panel-soft: #f0f5f2;
  --text: #14211d;
  --text-2: #4f625b;
  --text-3: #6c7e77;
  --line: rgba(20,33,29,.12);
  --line-strong: rgba(20,33,29,.21);
  --green: #078b60;
  --green-bright: #10a974;
  --green-dark: #dff3e9;
  --blue: #087fab;
  --blue-dark: #dff2f8;
  --warning: #9a5f00;
  --shadow: 0 30px 72px rgba(25,52,43,.13);
}
html[data-theme="light"] body::before { background-image: linear-gradient(rgba(18,54,43,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(18,54,43,.035) 1px, transparent 1px); }
html[data-theme="light"] .site-header { background: rgba(245,248,246,.78); }
html[data-theme="light"] .site-header.scrolled { background: rgba(245,248,246,.94); }
html[data-theme="light"] .docs-tabs-wrap { background: rgba(245,248,246,.93); }
html[data-theme="light"] .hero::after { background: linear-gradient(to top, rgba(245,248,246,.9), transparent); }
html[data-theme="light"] .hero-glow-one { background: radial-gradient(circle, rgba(8,127,171,.12), rgba(245,248,246,0) 68%); }
html[data-theme="light"] .hero-glow-two { background: radial-gradient(circle, rgba(7,139,96,.12), rgba(245,248,246,0) 68%); }
html[data-theme="light"] .button-secondary,
html[data-theme="light"] .theme-toggle,
html[data-theme="light"] .signal-strip,
html[data-theme="light"] .principle-grid > div,
html[data-theme="light"] .security-grid > div,
html[data-theme="light"] .inline-card { background: rgba(255,255,255,.65); }
html[data-theme="light"] .feature-card,
html[data-theme="light"] .skill-card { background: linear-gradient(145deg, #ffffff, #f5faf7); }
html[data-theme="light"] .featured-skill { background: linear-gradient(145deg, #f4fbf7, #ffffff); }
html[data-theme="light"] .workflow-section,
html[data-theme="light"] .extension-section { background: #eef4f1; }
html[data-theme="light"] .cta-card { background: linear-gradient(135deg, #e5f6ed, #edf7f4 65%, #e4f3f8); }
html[data-theme="light"] .site-nav { color: var(--text); }
html[data-theme="light"] .skills-grid-bg { background: radial-gradient(circle at 50% 20%, rgba(7,139,96,.13), transparent 37%), linear-gradient(rgba(18,54,43,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(18,54,43,.035) 1px, transparent 1px); background-size: auto, 42px 42px, 42px 42px; }
html[data-theme="light"] .catalog-note { background: rgba(7,139,96,.045); }
html[data-theme="light"] .contact-section { background: linear-gradient(135deg, rgba(7,139,96,.07), rgba(8,127,171,.035)); }

[data-reveal] { opacity: 1; transform: none; }
.js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.js [data-reveal].revealed { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .hero-copy { max-width: 760px; }
  .workspace-card { max-width: 620px; transform: none; }
  .feature-card { grid-column: span 3; }
  .feature-large { min-height: 400px; }
  .workflow-grid { gap: 65px; }
  .heritage-card, .brand-visual-card { gap: 50px; }
  .docs-shell { grid-template-columns: 200px minmax(0, 1fr); gap: 48px; }
  .docs-toc { display: none; }
}

@media (max-width: 1120px) and (min-width: 981px) {
  .docs-shell { grid-template-columns: 210px minmax(0, 700px); gap: 54px; }
  .docs-toc { display: none; }
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 34px), var(--shell)); }
  .nav-shell { height: 64px; }
  .menu-button { display: block; }
  .site-nav { position: absolute; left: 17px; right: 17px; top: 68px; display: none; padding: 12px; border: 1px solid var(--line-strong); border-radius: 12px; background: rgba(9,14,15,.98); box-shadow: var(--shadow); }
  html[data-theme="light"] .site-nav { background: rgba(250,252,251,.98); }
  .site-nav.open { display: grid; gap: 2px; }
  .site-nav a { padding: 10px 11px; }
  .site-nav a.active::after { display: none; }
  .site-nav .language-switch { border-radius: 7px; text-align: center; }
  .site-nav .nav-cta { margin-top: 4px; text-align: center; }
  .theme-toggle { width: 100%; height: 40px; margin-top: 4px; border-radius: 7px; }
  .docs-tabs-wrap { top: 64px; }
  .docs-tabs { height: 44px; gap: 20px; }
  .hero { padding: 82px 0 76px; }
  .hero h1 { font-size: clamp(40px, 12vw, 58px); }
  .hero-lead { font-size: 16px; }
  .workspace-card { border-radius: 16px; }
  .signal-grid { grid-template-columns: 1fr 1fr; padding: 15px 0; }
  .signal-grid > div { min-height: 72px; justify-content: center; padding: 0 16px; border-right: 0; border-bottom: 1px solid var(--line); }
  .signal-grid > div:first-child { padding-left: 16px; }
  .signal-grid > div:nth-last-child(-n+2) { border-bottom: 0; }
  .section { padding: 84px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card, .feature-large { grid-column: 1; min-height: 340px; }
  .feature-large { min-height: 410px; }
  .workflow-grid, .heritage-card, .brand-visual-card, .extension-grid { grid-template-columns: 1fr; gap: 52px; }
  .workflow-copy { position: static; }
  .heritage-card { padding: 34px; }
  .brand-visual-copy { padding: 10px; }
  .heritage-card > div:last-child { padding-top: 0; }
  .cta-card { align-items: flex-start; flex-direction: column; padding: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 38px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding: 18px 0; }

  .docs-shell { display: block; }
  .docs-sidebar { position: static; max-height: none; padding: 26px 0 0; }
  .docs-sidebar nav { display: flex; gap: 7px; overflow-x: auto; padding-bottom: 8px; scrollbar-width: thin; }
  .docs-sidebar nav p { display: none; }
  .docs-sidebar nav a { flex: 0 0 auto; border: 1px solid var(--line); border-radius: 7px; }
  .docs-sidebar nav a.active { border-color: rgba(66,211,146,.35); }
  .docs-title { margin-bottom: 12px; }
  .docs-content { padding-top: 46px; }
  .docs-hero, .doc-section { scroll-margin-top: 122px; }
  .mode-row { grid-template-columns: 90px 1fr; }
  .mode-row > span:nth-child(3) { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); }
  .mode-head > span:nth-child(3) { display: none; }
  .principle-grid, .security-grid { grid-template-columns: 1fr; }
  .token-metric-grid { grid-template-columns: 1fr; }
  .process-line { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
  .process-line i { display: none; }
  .process-line div { padding: 14px; border: 1px solid var(--line); border-radius: 9px; }
  .contact-section { padding: 28px; }
  .skills-hero { padding: 86px 0 78px; }
  .skills-summary { flex-wrap: wrap; gap: 12px; }
  .skill-card-grid { grid-template-columns: 1fr; }
  .catalog-heading { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 480px) {
  .button-row, .cta-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero h1 { font-size: 40px; }
  .docs-pager { grid-template-columns: 1fr; }
  .docs-pager > span { display: none; }
  .chat-preview { min-height: 285px; }
  .knowledge-visual { flex-wrap: wrap; }
  .knowledge-visual i { display: none; }
  .feature-card, .feature-large { padding: 25px; }
  .feature-card > p:not(.feature-index) { font-size: 13px; }
  .mini-pills, .flowsheet-visual, .knowledge-visual, .folder-lines { left: 25px; right: 25px; }
  .heritage-card, .cta-card { padding: 28px; border-radius: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
  .doc-section h2 { font-size: 28px; }
  .mode-row { grid-template-columns: 78px 1fr; }
  .mode-row > span { padding: 12px 10px; }
  .contact-section { margin-inline: -4px; padding: 23px; }
  .catalog-note { align-items: flex-start; }
  .skill-card { padding: 25px; }
  .skill-footer { left: 25px; right: 25px; }
}

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