/* Aegis-DB landing — AutomataNexus editorial. Tokens from assets/tokens.css. */

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background .35s ease, color .35s ease;
}
html[data-theme="dark"] {
  --bg: #0b0c0d; --bg-elev: #131416;
  --ink: #f3efe4; --ink-soft: #d8d4c9; --ink-mute: #8a8a86; --ink-dim: #555550;
  --rule: #f3efe4; --rule-soft: rgba(243,239,228,0.14);
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: #fff; }

/* Film grain — AutomataNexus editorial signature */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 1000;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.55'/></svg>");
  opacity: 0.045; mix-blend-mode: multiply;
}
html[data-theme="dark"] body::before { mix-blend-mode: screen; opacity: 0.05; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 var(--pad); }

/* ── Eyebrow / rule / tag ─────────────────────────────── */
.eyebrow {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase; color: var(--ink-mute);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow .num { color: var(--accent); }
.rule { height: 1px; background: var(--rule-soft); border: 0; }
.rule.hard { background: var(--rule); height: 2px; }
.tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: .04em;
  border: 1px solid var(--rule-soft); padding: 3px 9px; border-radius: 999px;
  color: var(--ink-soft); display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
}
.tag .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.tag.live .dot { background: var(--ok); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  font-family: var(--mono); font-size: 13px; font-weight: 500; letter-spacing: .02em;
  border: 1.5px solid var(--ink); background: transparent; color: var(--ink);
  padding: 11px 18px; border-radius: 4px; cursor: pointer; display: inline-flex;
  align-items: center; gap: 9px; transition: all .2s ease; white-space: nowrap;
}
.btn:hover { background: var(--ink); color: var(--bg); }
.btn.primary { background: var(--ink); color: var(--bg); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ── Nav ──────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(10px); border-bottom: 1px solid var(--rule-soft);
}
.nav-in { display: flex; align-items: center; gap: 18px; height: 64px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.01em; font-size: 17px; }
.brand img { width: auto; height: 42px; object-fit: contain; }
.nav-links { display: flex; gap: 24px; margin-left: 18px; }
.nav-links a { font-size: 14px; color: var(--ink-soft); transition: color .15s; }
.nav-links a:hover { color: var(--accent); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav-right .btn { font-size: 10px; padding: 5px 10px; border-width: 1px; border-radius: 3px; gap: 5px; letter-spacing: .04em; }
.nav-right .btn .arrow { font-size: 9px; }
.verpill {
  font-family: var(--mono); font-size: 11px; border: 1px solid var(--rule-soft);
  padding: 3px 9px; border-radius: 999px; color: var(--ink-mute);
}
.theme-btn { background: none; border: 1px solid var(--rule-soft); border-radius: 4px; padding: 7px 9px; cursor: pointer; color: var(--ink); font-size: 14px; line-height: 1; }

/* ── Hero ─────────────────────────────────────────────── */
.hero { padding: clamp(56px, 9vw, 120px) 0 clamp(40px, 6vw, 80px); position: relative; }
.hero h1 {
  font-size: clamp(38px, 6.4vw, 78px); line-height: 1.02; letter-spacing: -.03em;
  font-weight: 900; margin: 22px 0 0; max-width: 16ch;
}
.hero h1 .ac { color: var(--accent); }
.hero .lede { font-size: clamp(17px, 2vw, 21px); color: var(--ink-soft); max-width: 60ch; margin: 24px 0 0; }
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 38px; margin-top: 52px; flex-wrap: wrap; }
.hero-stats .s .v { font-family: var(--mono); font-size: clamp(26px, 3.4vw, 40px); font-weight: 600; letter-spacing: -.02em; }
.hero-stats .s .k { font-size: 12px; color: var(--ink-mute); letter-spacing: .04em; margin-top: 4px; }

/* ── Section scaffolding (architectural drafting rules) ── */
body { counter-reset: sheet; }
.section { padding: clamp(52px, 7vw, 100px) 0 clamp(48px,7vw,96px); border-top: 1px solid var(--rule); position: relative; counter-increment: sheet; }
/* drawing-sheet number in the left margin + a right-corner register tick */
.section::before {
  content: counter(sheet, decimal-leading-zero) " /";
  position: absolute; top: 16px; left: 0;
  font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .14em; color: var(--accent-2);
}
.section::after {
  content: ""; position: absolute; top: -1px; right: 0; width: 10px; height: 10px;
  border-top: 1px solid var(--rule); border-right: 1px solid var(--rule);
}
@media (min-width: 1320px){ .section::before { left: calc(50% - 660px); } }
.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 38px; }
.sec-head h2 { font-size: clamp(28px, 4vw, 46px); letter-spacing: -.025em; font-weight: 800; max-width: 20ch; line-height: 1.05; }
.sec-head .lead { color: var(--ink-soft); max-width: 46ch; }

/* ── Paradigm cards ───────────────────────────────────── */
.para-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule-soft); border: 1px solid var(--rule-soft); }
.para { background: var(--bg); padding: 26px 24px; transition: background .2s; }
.para:hover { background: var(--bg-elev); }
.para .n { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.para h3 { font-size: 19px; margin: 12px 0 8px; letter-spacing: -.01em; }
.para p { font-size: 14px; color: var(--ink-mute); line-height: 1.5; }

/* ── Stat slab ────────────────────────────────────────── */
.slab { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--rule-soft); border: 1px solid var(--rule-soft); }
.slab-cell { background: var(--bg); padding: 22px 20px; }
.slab-cell .k { font-size: 12px; color: var(--ink-mute); letter-spacing: .04em; }
.slab-cell .v { font-family: var(--mono); font-size: clamp(22px, 2.6vw, 30px); font-weight: 600; margin-top: 8px; letter-spacing: -.02em; }
.slab-cell .v .u { font-size: 13px; color: var(--ink-mute); margin-left: 6px; font-weight: 400; }
.slab-cell .note { font-size: 11px; color: var(--ink-dim); margin-top: 6px; }

/* ── Tables ───────────────────────────────────────────── */
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--rule-soft); }
.tbl th { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-mute); font-weight: 500; }
.tbl td.num, .tbl th.num { text-align: right; font-family: var(--mono); }
.tbl .adv { color: var(--accent); font-weight: 600; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl-wrap { border: 1px solid var(--rule-soft); overflow-x: auto; }
.tbl-wrap + .tbl-wrap { margin-top: 22px; }
.tbl-cap { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); padding: 10px 14px; background: var(--bg-elev); letter-spacing: .04em; }

/* ── Security / feature list ──────────────────────────── */
.feat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--rule-soft); border: 1px solid var(--rule-soft); }
.feat { background: var(--bg); padding: 20px 22px; }
.feat h4 { font-size: 15px; display: flex; align-items: center; gap: 9px; }
.feat h4 .mk { color: var(--accent); font-family: var(--mono); }
.feat p { font-size: 13px; color: var(--ink-mute); margin-top: 6px; line-height: 1.5; }

/* ── Crates / chips ───────────────────────────────────── */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-family: var(--mono); font-size: 12px; border: 1px solid var(--rule-soft); padding: 6px 11px; border-radius: 4px; color: var(--ink-soft); }
.chip b { color: var(--accent); font-weight: 500; }

/* ── Positioning ──────────────────────────────────────── */
.pos-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.pos { border-left: 2px solid var(--accent); padding-left: 18px; }
.pos h3 { font-size: 18px; margin-bottom: 6px; }
.pos p { color: var(--ink-mute); font-size: 14px; }

/* ── CTA band ─────────────────────────────────────────── */
.cta-band { background: var(--ink); color: var(--bg); padding: clamp(44px,6vw,80px) 0; text-align: center; }
.cta-band h2 { font-size: clamp(28px,4vw,46px); letter-spacing: -.02em; font-weight: 900; }
.cta-band .btn { border-color: var(--bg); color: var(--bg); }
.cta-band .btn.lg { padding: 9px 16px; font-size: 12.5px; gap: 7px; border-width: 1px; }
.cta-band .btn.lg .arrow { font-size: 11px; }
.cta-band .btn:hover { background: var(--bg); color: var(--ink); }
.cta-band .btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.cta-band .btn.primary:hover { background: var(--bg); color: var(--ink); }

/* ── Footer ───────────────────────────────────────────── */
.foot { padding: 48px 0 60px; border-top: 1px solid var(--rule-soft); }
.foot-grid { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.foot .col h5 { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 12px; }
.foot .col a { display: block; font-size: 14px; color: var(--ink-soft); padding: 3px 0; }
.foot .col a:hover { color: var(--accent); }
.foot-base { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--rule-soft); font-size: 13px; color: var(--ink-mute); display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .para-grid, .slab, .feat-grid, .pos-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}
@media (max-width: 540px) {
  .para-grid, .slab, .feat-grid, .pos-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
}

/* ============================================================
   PALETTE — terracotta primary, sparse light-teal accents
   (overrides tokens.css: --accent was teal #14b8a6)
   ============================================================ */
:root {
  --accent:    #c2724f;   /* terracotta — primary accent */
  --accent-2:  #c2724f;
  --teal:      #5cb8af;   /* light teal — sparse accent only */
  --wash:      #faf9f6;   /* neutral bone — alt-section surface (no coral tint) */
  --primary:   #c2724f;
  --primary-dark: #a85f3f;
  /* Own typeface — Manrope + JetBrains Mono (distinct sans from the Hailo landing's Inter) */
  --sans: 'Manrope', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
.hero h1, .cta-band h2 { font-weight: 800; }
.brand { font-weight: 700; }
html[data-theme="dark"] {
  --accent: #d98a64; --accent-2: #d98a64; --teal: #5cb8af;
  --wash: #101114; --primary: #d98a64;
}
.eyebrow .num { color: var(--accent); }
.tag .dot { background: var(--accent); }

/* ── Hero 2-col grid ──────────────────────────────────── */
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.hero-eyebrow { display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 12px; color: var(--ink-mute); letter-spacing: .04em; flex-wrap: wrap; }
.hero-eyebrow .tag { color: var(--ink); border-color: var(--rule-soft); }
.hero-eyebrow .tag .dot { background: var(--teal); }
.hero h1 { font-size: clamp(38px, 5.6vw, 70px); line-height: 1.02; letter-spacing: -.03em; font-weight: 900; margin: 20px 0 0; }
.hero h1 .ac { color: var(--accent); }
.hero-lede { font-family: 'Fraunces', Georgia, serif; font-optical-sizing: auto; font-weight: 400; font-size: clamp(16px, 1.65vw, 19px); line-height: 1.5; color: var(--ink-soft); max-width: 56ch; margin: 22px 0 0; }
.hero-lede strong { font-weight: 600; }
.hero-ctas { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.btn.lg { padding: 13px 22px; font-size: 14px; }
.hero-ctas .btn.lg { padding: 8px 15px; font-size: 12px; gap: 7px; border-width: 1px; }
.hero-ctas .btn.lg .arrow { font-size: 11px; }
.hero-install { display: flex; align-items: center; background: #0e0f10; border: 1px solid #2a2c2f; border-radius: 5px; margin-top: 18px; max-width: 380px; overflow: hidden; }
.hero-install .prompt { padding: 0 0 0 12px; color: #5cb8af; font-family: var(--mono); font-size: 12px; }
.hero-install code { padding: 8px 12px; flex: 1; font-size: 12px; font-family: var(--mono); color: #f3efe4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; background: none; }
.hero-install button { background: #2a2c2f; color: #f3efe4; border: 0; padding: 8px 13px; font-family: var(--mono); font-size: 10px; letter-spacing: .08em; cursor: pointer; }
.hero-install button:hover { background: var(--accent); color: #fff; }
.hero-install button.copied { background: var(--ok); color: #fff; }
.hero-foot { margin-top: 16px; font-family: var(--mono); font-size: 12px; color: var(--ink-mute); letter-spacing: .02em; }
.hero-foot .mk { color: var(--accent); }
.hero-foot strong { color: var(--ink); }
.hero-side { display: flex; flex-direction: column; }
.orbit-wrap { position: relative; width: 100%; max-width: 460px; align-self: center; }
.hero-graph { width: 100%; display: block; }
.orbit-node { cursor: pointer; }
.orbit-node:not(.on) { animation: nodepulse 3s ease-in-out infinite; }
.orbit-node circle, .orbit-node text { transition: fill .15s ease, stroke .15s ease; }
.orbit-tip {
  position: absolute; transform: translate(-50%, calc(-100% - 38px));
  width: 256px; max-width: 74vw; background: var(--bg-elev); color: var(--ink);
  border: 1px solid var(--rule); border-radius: 8px; padding: 13px 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,.18); z-index: 5; pointer-events: none;
  animation: tipin .14s ease;
}
.orbit-tip-l { font-family: var(--mono); font-size: 9px; letter-spacing: .06em; color: #fff; background: var(--accent); padding: 2px 5px; border-radius: 3px; margin-right: 7px; vertical-align: middle; }
.orbit-tip-specs { list-style: none; margin: 9px 0 0; padding: 9px 0 0; border-top: 1px solid var(--rule-soft); display: flex; flex-wrap: wrap; gap: 4px 5px; }
.orbit-tip-specs li { font-family: var(--mono); font-size: 9.5px; color: var(--ink-soft); border: 1px solid var(--rule-soft); border-radius: 4px; padding: 2px 6px; }
.orbit-tip::after {
  content: ""; position: absolute; left: 50%; bottom: -7px; transform: translateX(-50%) rotate(45deg);
  width: 12px; height: 12px; background: var(--bg-elev); border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}
.orbit-tip-t { font-weight: 700; font-size: 12.5px; margin-bottom: 5px; display: flex; align-items: center; }
.orbit-tip-d { font-size: 11px; color: var(--ink-mute); line-height: 1.5; }
@keyframes tipin { from { opacity: 0; transform: translate(-50%, calc(-100% - 30px)); } }
.g-core { font-family: var(--mono); font-size: 15px; font-weight: 600; fill: var(--ink); }
.g-core-sub { font-family: var(--mono); font-size: 9px; fill: var(--ink-mute); letter-spacing: .14em; }
.g-label { font-family: var(--mono); font-size: 11px; fill: var(--ink-soft); }
.node-pulse { animation: nodepulse 3s ease-in-out infinite; }
@keyframes nodepulse { 0%,100% { opacity: .5 } 50% { opacity: 1 } }
.edge-flow { stroke-dasharray: 4 5; animation: dash 3s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -18 } }
.hero-stats { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--rule-soft); border: 1px solid var(--rule-soft); margin-top: 22px; }
.hero-stat-card { background: var(--bg); padding: 16px 18px; border-left: 2px solid transparent; transition: border-color .15s, background .15s; }
.hero-stat-card:hover { border-left-color: var(--accent); background: var(--bg-elev); }
.hsc-eyebrow { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-mute); }
.hero-stat-value { font-family: var(--mono); font-size: 28px; font-weight: 600; letter-spacing: -.02em; margin-top: 4px; }
.hero-stat-value .u { font-size: .46em; color: var(--ink-mute); font-weight: 400; }
.hero-stat-label { font-size: 12.5px; color: var(--ink-mute); margin-top: 7px; line-height: 1.5; }
.hero-stat-label strong { color: var(--accent); }

/* ── Trust strip ──────────────────────────────────────── */
.trust { background: #0e0f10; color: #f3efe4; }
.trust-in { display: flex; align-items: center; justify-content: center; gap: 14px 28px; min-height: 56px; padding: 12px 0; flex-wrap: wrap; }
.trust-label { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: rgba(243,239,228,.5); }
.trust-badges { display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; }
.trust-badge { font-family: var(--mono); font-size: 13px; color: rgba(243,239,228,.85); display: inline-flex; align-items: center; gap: 8px; }
.trust-badge .ic { color: #5cb8af; }

/* ── Section alt (ultra-light terracotta wash) ────────── */
.section.alt { background: var(--wash); }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 36px; }
.sec-head h2 { font-size: clamp(26px, 3.4vw, 40px); letter-spacing: -.02em; font-weight: 800; max-width: 18ch; margin-top: 12px; }
.sec-head .lead { color: var(--ink-soft); max-width: 44ch; font-size: 15px; }

/* ── Features grid (icons) ────────────────────────────── */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule-soft); border: 1px solid var(--rule-soft); }
.features-grid.sec { grid-template-columns: repeat(2, 1fr); }
.features-grid > .feature:last-child:nth-child(3n+1) { grid-column: 2; }
.feature { background: var(--bg); padding: 26px 24px; transition: background .2s; }
.section.alt .feature { background: var(--wash); }
.feature:hover { background: var(--bg-elev); }
.feature-icon { font-size: 22px; color: var(--accent); line-height: 1; }
.feature-n { font-family: var(--mono); font-size: 11px; color: var(--ink-dim); margin-top: 14px; }
.feature h3 { font-size: 18px; margin: 6px 0 8px; letter-spacing: -.01em; }
.feature h4 { font-size: 15px; display: flex; align-items: center; gap: 9px; }
.feature h4 .mk { color: var(--accent); font-family: var(--mono); }
.feature p { font-size: 13.5px; color: var(--ink-mute); line-height: 1.5; margin-top: 6px; }

/* ── Architecture stack ───────────────────────────────── */
.archstack { display: grid; grid-template-columns: 96px 1fr; gap: 0; }
.arch-flow { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: space-between;
  padding: 4px 0; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; }
.arch-flow .af-down { color: var(--accent); z-index: 1; background: var(--bg-elev); padding: 4px 0; }
.arch-flow .af-up { color: var(--accent-2); z-index: 1; background: var(--bg-elev); padding: 4px 0; }
.arch-flow .af-rule { position: absolute; top: 24px; bottom: 24px; left: 50%; width: 1px;
  background: linear-gradient(var(--accent), var(--accent-2)); }
.arch-layers { border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.arch-layer { display: grid; grid-template-columns: 84px 1fr; align-items: stretch;
  border-bottom: 1px solid var(--rule-soft); background: var(--bg); transition: background .15s ease; }
.section.alt .arch-layer { background: var(--bg-elev); }
.arch-layer:last-child { border-bottom: 0; }
.arch-layer:hover { background: var(--bg); }
.arch-idx { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  font-family: var(--mono); font-weight: 600; font-size: 24px; color: var(--ink); line-height: 1;
  border-right: 1px solid var(--rule-soft); }
.arch-layer:nth-child(1) .arch-idx { box-shadow: inset 3px 0 0 var(--accent); }
.arch-layer:nth-child(2) .arch-idx { box-shadow: inset 3px 0 0 color-mix(in srgb, var(--accent) 66%, var(--accent-2)); }
.arch-layer:nth-child(3) .arch-idx { box-shadow: inset 3px 0 0 color-mix(in srgb, var(--accent) 33%, var(--accent-2)); }
.arch-layer:nth-child(4) .arch-idx { box-shadow: inset 3px 0 0 var(--accent-2); }
.arch-depth { font-size: 9px; font-weight: 500; letter-spacing: .1em; color: var(--ink-dim); }
.arch-body { padding: 16px 20px; min-width: 0; }
.arch-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 11px; flex-wrap: wrap; }
.arch-name { font-weight: 700; font-size: 16px; letter-spacing: -.01em; }
.arch-tag { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.arch-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.arch-chip { font-family: var(--mono); font-size: 11px; color: var(--ink-mute);
  border: 1px solid var(--rule-soft); border-radius: 3px; padding: 3px 8px; background: var(--bg); white-space: nowrap; }
.section.alt .arch-chip { background: var(--bg); }

.secreg { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.secreg-row { padding: 22px 26px; border-top: 1px solid var(--rule-soft); border-left: 1px solid var(--rule-soft); background: var(--bg); transition: background .15s ease; }
.secreg-row:nth-child(1), .secreg-row:nth-child(2) { border-top: 0; }
.secreg-row:nth-child(odd) { border-left: 0; }
.secreg-row.wide { grid-column: 1 / -1; border-left: 0; display: grid; grid-template-columns: 168px 1fr; gap: 26px; align-items: start; }
.secreg-row:hover { background: var(--bg-elev); }
.secreg-meta { display: flex; align-items: baseline; gap: 12px; margin-bottom: 13px; }
.secreg-row.wide .secreg-meta { flex-direction: column; gap: 8px; margin-bottom: 0; align-items: flex-start; }
.secreg-code { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .08em; color: var(--accent-2); }
.secreg-cat { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
  border: 1px solid var(--rule-soft); padding: 2px 9px; border-radius: 3px; }
.secreg-body h4 { font-size: 16px; font-weight: 700; letter-spacing: -.01em; margin: 0 0 7px; }
.secreg-body p { font-size: 13.5px; line-height: 1.55; color: var(--ink-mute); margin: 0; }

/* ── Use cases ────────────────────────────────────────── */
.uses-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.use { position: relative; overflow: hidden; border: 1px solid var(--rule); border-radius: 8px;
  padding: 24px 26px 22px; background: var(--bg); transition: border-color .15s ease, transform .15s ease; }
.use:hover { border-color: var(--accent); transform: translateY(-2px); }
.use-bg { position: absolute; top: -28px; right: -4px; font-family: var(--mono); font-weight: 700;
  font-size: 132px; line-height: 1; color: var(--rule-soft); opacity: .5; pointer-events: none; z-index: 0; }
.use-top { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.use-tag { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
  border: 1px solid var(--rule-soft); padding: 3px 10px; border-radius: 3px; background: var(--bg); }
.use-n { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; color: var(--ink-dim); }
.use h3 { position: relative; z-index: 1; font-family: 'Fraunces', Georgia, serif; font-weight: 600; font-size: 21px; letter-spacing: -.01em; margin: 0 0 9px; }
.use p { position: relative; z-index: 1; color: var(--ink-mute); font-size: 14px; line-height: 1.55; margin: 0 0 16px; }
.use-chips { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 6px; }
.use-chip { font-family: var(--mono); font-size: 10.5px; color: var(--ink-soft);
  border: 1px solid var(--rule-soft); border-radius: 3px; padding: 3px 9px; background: var(--bg); white-space: nowrap; }

/* ── Quickstart steps ─────────────────────────────────── */
.qs { list-style: none; margin: 0; padding: 0; max-width: 560px; }
.qs-step { display: grid; grid-template-columns: 30px 1fr; gap: 16px; position: relative; padding-bottom: 16px; }
.qs-step:last-child { padding-bottom: 0; }
.qs-rail { position: relative; display: flex; justify-content: center; }
.qs-step:not(:last-child) .qs-rail::after { content: ""; position: absolute; top: 28px; bottom: -16px; left: 50%;
  transform: translateX(-50%); width: 1px; background: var(--rule); }
.qs-n { position: relative; z-index: 1; width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-weight: 600; font-size: 11px; color: #fff; }
.qs-step:nth-child(1) .qs-n { background: var(--accent); }
.qs-step:nth-child(2) .qs-n { background: color-mix(in srgb, var(--accent) 66%, var(--accent-2)); }
.qs-step:nth-child(3) .qs-n { background: color-mix(in srgb, var(--accent) 33%, var(--accent-2)); }
.qs-step:nth-child(4) .qs-n { background: var(--accent-2); }
.qs-t { font-weight: 700; font-size: 13.5px; letter-spacing: -.01em; margin: 3px 0 7px; }
.qs-term { display: inline-flex; align-items: center; gap: 9px; background: #0e0f10; border: 1px solid #2a2c2f;
  border-radius: 5px; padding: 7px 12px; max-width: 100%; overflow-x: auto; }
.qs-prompt { color: #5cb8af; font-family: var(--mono); font-size: 11.5px; flex: none; }
.qs-term code { font-family: var(--mono); font-size: 11.5px; color: #f3efe4; background: none; white-space: pre; }
.qs-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.qs-chip { font-family: var(--mono); font-size: 10.5px; color: var(--ink-soft); border: 1px solid var(--rule-soft);
  border-radius: 3px; padding: 3px 8px; background: var(--bg); }
.qs-note { font-family: var(--mono); font-size: 10px; letter-spacing: .04em; color: var(--ink-dim); margin-top: 6px; }

/* ── Pricing ──────────────────────────────────────────── */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--rule-soft); border: 1px solid var(--rule-soft); }
.pricing-card .period { min-height: 2.4em; }
.pricing-card { background: var(--bg); padding: 30px 26px; display: flex; flex-direction: column; }
.pricing-card.featured { border-top: 3px solid var(--accent); background: #0e0f10; color: #f3efe4; }
.pricing-card .tier { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-mute); }
.pricing-card.featured .tier { color: rgba(243,239,228,.6); }
.pricing-card .amount { font-size: 30px; font-weight: 800; letter-spacing: -.02em; margin-top: 10px; }
.pricing-card .period { font-family: var(--mono); font-size: 12px; color: var(--ink-mute); }
.pricing-card.featured .period { color: rgba(243,239,228,.55); }
.pricing-card ul { list-style: none; margin: 20px 0; flex: 1; }
.pricing-card li { font-size: 14px; padding: 7px 0 7px 22px; position: relative; color: var(--ink-soft); }
.pricing-card.featured li { color: rgba(243,239,228,.9); }
.pricing-card li::before { content: "▸"; position: absolute; left: 0; color: var(--accent); }
.pricing-card.featured .btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.price-note { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); margin-top: 16px; letter-spacing: .02em; }

/* ── FAQ ──────────────────────────────────────────────── */
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.faq-item { border-top: 1px solid var(--rule-soft); border-left: 1px solid var(--rule-soft); padding: 15px 18px; cursor: pointer; background: var(--bg); transition: background .12s ease; align-self: start; }
.faq-item:nth-child(1), .faq-item:nth-child(2) { border-top: 0; }
.faq-item:nth-child(odd) { border-left: 0; }
.faq-item:hover { background: var(--bg-elev); }
.faq-q { font-weight: 600; font-size: 14px; display: flex; gap: 11px; align-items: baseline; letter-spacing: -.005em; }
.faq-qn { font-family: var(--mono); font-size: 11px; font-weight: 600; color: var(--accent-2); flex: none; }
.faq-x { font-family: var(--mono); color: var(--accent); font-size: 16px; margin-left: auto; flex: none; line-height: 1; }
.faq-a { color: var(--ink-mute); font-size: 13px; line-height: 1.55; margin-top: 10px; padding-left: 22px; }

/* ── Footer newsletter ────────────────────────────────── */
.foot .brandcol p { font-size: 13px; color: var(--ink-mute); margin-bottom: 14px; }
.news { display: flex; gap: 8px; }
.news input { flex: 1; min-width: 0; background: var(--bg-elev); border: 1px solid var(--rule-soft); border-radius: 4px; padding: 9px 12px; font-family: var(--mono); font-size: 12px; color: var(--ink); }
.news .btn { padding: 9px 14px; font-size: 12px; }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-side { margin-top: 12px; }
}
@media (max-width: 860px) {
  .features-grid, .features-grid.sec, .pricing-grid, .uses-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  .features-grid, .features-grid.sec, .pricing-grid, .uses-grid, .hero-stats { grid-template-columns: 1fr; }
  .archstack { grid-template-columns: 1fr; }
  .arch-flow { flex-direction: row; padding: 0 0 12px; }
  .arch-flow .af-rule { display: none; }
  .arch-idx { font-size: 20px; }
  .secreg { grid-template-columns: 1fr; }
  .secreg-row, .secreg-row:nth-child(odd) { border-left: 0; }
  .secreg-row:nth-child(2) { border-top: 1px solid var(--rule-soft); }
  .secreg-row.wide { grid-template-columns: 1fr; gap: 13px; }
  .secreg-row.wide .secreg-meta { flex-direction: row; }
}

/* ── Hero title block + paradigm schedule (architectural masthead) ── */
.titleblock {
  display: flex; flex-wrap: wrap; align-items: stretch;
  border: 1px solid var(--rule); margin-bottom: clamp(28px, 4vw, 48px);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--ink-mute);
}
.titleblock span { padding: 9px 16px; border-right: 1px solid var(--rule-soft); display: flex; align-items: center; }
.titleblock span:last-child { border-right: 0; }
.titleblock b { color: var(--ink); font-weight: 600; margin-left: 6px; }
.titleblock .tb-k { background: var(--ink); color: var(--bg); font-weight: 700; letter-spacing: .18em; }
.titleblock .tb-r { margin-left: auto; }

.hero-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(28px, 4vw, 64px); align-items: start; }
.hero-main h1 { font-family: 'Fraunces', Georgia, serif; font-size: clamp(42px, 7.2vw, 96px); line-height: .96; letter-spacing: -.02em; font-weight: 900; font-optical-sizing: auto; margin: 18px 0 0; }
.hero-main h1 .ac { color: var(--accent-2); font-style: italic; }
.hero-statline { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 32px;
  font-family: var(--mono); font-size: 12px; color: var(--ink-mute); }
.hero-statline b { color: var(--ink); font-weight: 600; }
.hero-statline i { width: 1px; height: 12px; background: var(--rule-soft); display: inline-block; }

/* Paradigm schedule — engineering-drawing legend */
.hero-schedule { border: 1px solid var(--rule); background: var(--bg-elev); }
.sched-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  padding: 13px 16px; border-bottom: 1px solid var(--rule); }
.sched-count { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--ink-mute); }
.sched { list-style: none; margin: 0; padding: 0; }
.sched li { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 10px;
  padding: 9px 16px; border-bottom: 1px solid var(--rule-soft); font-size: 13px; }
.sched li:last-child { border-bottom: 0; }
.sched .sn { font-family: var(--mono); font-size: 11px; color: var(--ink-dim); }
.sched .snm { font-weight: 600; letter-spacing: -.01em; }
.sched .sst { font-family: var(--mono); font-size: 10px; letter-spacing: .08em; }
.sched li.live .sst { color: var(--accent); }
.sched li.building .sst { color: var(--accent-2); }
.sched li.building .snm::after { content: "in progress"; font-family: var(--mono); font-size: 9px; font-weight: 500; letter-spacing: .08em; color: var(--accent-2); margin-left: 8px; text-transform: uppercase; opacity: .85; }
.sched li.next .sst { color: var(--ink-dim); }
.sched li.next .snm { font-weight: 600; }
.sched li.planned { color: var(--ink-mute); }
.sched li.planned .snm { font-weight: 500; }
.sched li.planned .sst { color: var(--ink-dim); }

@media (max-width: 880px){ .hero-grid { grid-template-columns: 1fr; } .titleblock { font-size: 9.5px; } }