/* ArdaForm — global stylesheet
   Dark industrial theme, orange accent matched to the logo (#f37021).
   Sections: tokens · base · layout · header · buttons · hero · flow animations ·
   components · docs · footer · responsive · reduced motion */

/* ─────────────────────────────  Tokens  ───────────────────────────── */
:root {
  --orange: #f37021;
  --orange-lt: #ff8f4d;
  --orange-dk: #b8500f;
  --orange-rgb: 243, 112, 33;
  --green: #76dc4d;
  --green-rgb: 118, 220, 77;
  --blue: #63c7f5;
  --ink: #0a0c0b;
  --ink-2: #0d100e;
  --panel: #111512;
  --panel-2: #151a17;
  --line: #262b28;
  --line-2: #363d38;
  --line-3: #4a534d;
  --text: #edeae4;
  --text-2: #c3c7c2;
  --muted: #9aa19b;
  --dim: #757d77;
  --paper: #d9d8d2;

  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;

  --shell: 1280px;
  --radius: 3px;
  --pad-section: 116px;
}

/* ─────────────────────────────  Base  ─────────────────────────────── */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--text);
  font: 400 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
img, svg, canvas { display: block; max-width: 100%; }
h1, h2, h3, h4, p, ul, ol, figure, pre { margin-top: 0; }
::selection { background: rgba(var(--orange-rgb), .3); }

:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

.shell { width: min(var(--shell), calc(100% - 56px)); margin-inline: auto; }
.shell-narrow { width: min(940px, calc(100% - 56px)); margin-inline: auto; }
.section { padding-block: var(--pad-section); }
.section-tight { padding-block: 76px; }
.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; }

/* ───────────────────────  Shared type helpers  ────────────────────── */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--orange);
  font: 700 12px/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.kicker::before { content: ""; width: 22px; height: 1px; background: var(--orange); }
.kicker-plain::before { display: none; }

.section-head { display: grid; grid-template-columns: 1fr .78fr; align-items: end; gap: 64px; margin-bottom: 56px; }
.section-head h2 { margin: 18px 0 0; font: 640 clamp(36px, 4.2vw, 56px)/1.03 var(--mono); letter-spacing: -.045em; }
.section-head p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.72; }
.section-head-center { grid-template-columns: 1fr; justify-items: center; text-align: center; }
.section-head-center p { max-width: 660px; }

h2 em, h1 em, h3 em { color: var(--orange); font-style: normal; }
.lede { color: var(--text-2); font-size: 19px; line-height: 1.72; }
.muted { color: var(--muted); }

/* ────────────────────────────  Header  ────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 12, 11, .9);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 21px; font-weight: 700; letter-spacing: -.035em; white-space: nowrap; }
.brand img { width: 27px; height: 30px; object-fit: contain; }
.brand b { font-weight: 700; }
.brand span { color: var(--orange); font-weight: 700; }

.site-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.site-nav a {
  position: relative;
  padding-block: 4px;
  color: var(--text-2);
  font-size: 15px;
  font-weight: 500;
  transition: color .18s ease;
}
.site-nav a:hover { color: #fff; }
.site-nav a.active { color: var(--orange); }
.site-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--orange);
}

.nav-right { display: flex; align-items: center; gap: 16px; }
.portal-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-2);
  font: 600 12px/1 var(--mono);
  letter-spacing: .07em;
  text-transform: uppercase;
  transition: color .18s ease;
}
.portal-link:hover { color: #fff; }
.portal-link::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(var(--green-rgb), .1);
  animation: statusPulse 2.2s ease-in-out infinite;
}
.nav-toggle { display: none; margin-left: auto; padding: 8px; border: 0; background: none; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; margin: 5px 0; background: currentColor; transition: transform .22s ease, opacity .22s ease; }

/* ────────────────────────────  Buttons  ───────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  font: 650 14px/1 var(--mono);
  letter-spacing: .02em;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--orange); color: #150a03; }
.btn-primary:hover { background: var(--orange-lt); box-shadow: 0 12px 34px rgba(var(--orange-rgb), .22); }
.btn-ghost { border-color: var(--line-2); color: var(--text); background: rgba(255,255,255,.02); }
.btn-ghost:hover { border-color: var(--line-3); background: rgba(255,255,255,.05); }
.btn-sm { min-height: 42px; padding: 0 16px; font-size: 13px; }
.btn-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }

.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--orange); font: 650 14px/1 var(--mono); }
.text-link span { transition: transform .18s ease; }
.text-link:hover span { transform: translateX(5px); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border: 1px solid var(--line-2);
  color: var(--muted);
  font: 600 11px/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.tag-live { border-color: rgba(var(--green-rgb), .4); color: var(--green); }
.tag-dev { border-color: rgba(var(--orange-rgb), .45); color: var(--orange); }
.tag-plan { border-color: var(--line-2); color: var(--dim); }
.tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.tag-plain::before { display: none; }

/* ─────────────────────────────  Hero  ─────────────────────────────── */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(120% 90% at 30% 0%, #000 25%, transparent 75%);
  -webkit-mask-image: radial-gradient(120% 90% at 30% 0%, #000 25%, transparent 75%);
}
.hero::after {
  content: "";
  position: absolute;
  top: -220px; left: 50%;
  width: 900px; height: 500px;
  transform: translateX(-50%);
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(var(--orange-rgb), .13), transparent);
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1.05fr; align-items: center; gap: 72px; padding-block: 88px 96px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding: 8px 14px;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,.02);
  font: 600 12px/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-2);
}
.hero-badge b { color: var(--orange); font-weight: 700; }
.hero-badge i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: statusPulse 2s ease-in-out infinite; }
.hero h1 { margin: 0 0 26px; font: 640 clamp(44px, 5.4vw, 74px)/.98 var(--mono); letter-spacing: -.055em; }
.hero-sub { max-width: 590px; margin: 0 0 34px; color: var(--text-2); font-size: 19px; line-height: 1.68; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-bottom: 34px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 12px 26px; }
.hero-facts span { display: inline-flex; align-items: center; gap: 9px; color: var(--muted); font: 600 13px/1 var(--mono); }
.hero-facts span::before { content: ""; width: 5px; height: 5px; background: var(--orange); transform: rotate(45deg); }

/* page hero (interior pages) */
.page-hero { position: relative; overflow: hidden; padding-block: 76px 68px; border-bottom: 1px solid var(--line); }
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  opacity: .4;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, #000, transparent);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent);
}
.page-hero > * { position: relative; z-index: 2; }
.page-hero h1 { margin: 18px 0 20px; font: 640 clamp(38px, 4.6vw, 60px)/1.02 var(--mono); letter-spacing: -.05em; }
.page-hero p { max-width: 720px; margin: 0; color: var(--text-2); font-size: 18px; line-height: 1.7; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: var(--dim); font: 600 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--orange); }

/* ──────────────────────  Tech-flow animations  ────────────────────── */
/* Layer stack with packets travelling between layers */
.stack { position: relative; padding: 22px; border: 1px solid var(--line-2); background: linear-gradient(180deg, #0c100e, #0a0d0b); }
.stack::after {
  content: "";
  position: absolute; right: -9px; bottom: -9px;
  width: 44%; height: 46%;
  border-right: 1px solid rgba(var(--orange-rgb), .55);
  border-bottom: 1px solid rgba(var(--orange-rgb), .55);
  pointer-events: none;
}
.stack-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 16px; color: var(--dim); font: 600 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.stack-head b { color: var(--green); font-weight: 700; }
.stack-layer {
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 14px;
  min-height: 78px;
  padding: 14px 18px;
  border: 1px solid var(--line-2);
  background: var(--panel);
  transition: border-color .25s ease, transform .25s ease, background .25s ease;
}
.stack-layer:hover { border-color: var(--line-3); transform: translateX(-3px); background: var(--panel-2); }
.stack-layer .num { color: var(--dim); font: 700 11px/1 var(--mono); }
.stack-layer b { display: block; margin-bottom: 6px; font: 650 15px/1 var(--mono); letter-spacing: -.01em; }
.stack-layer small { display: block; color: var(--dim); font: 500 12px/1.35 var(--mono); }
.stack-layer .glyph { color: var(--line-3); font: 500 21px/1 var(--mono); }
.stack-layer.is-accent { border-color: rgba(var(--orange-rgb), .75); background: rgba(var(--orange-rgb), .05); }
.stack-layer.is-accent b { color: var(--orange); }
.stack-layer.is-accent { animation: layerPulse 4.5s ease-in-out infinite; }
.stack-layer .badge { padding: 4px 8px; border: 1px solid var(--line-2); color: var(--dim); font: 600 11px/1 var(--mono); letter-spacing: .07em; }

/* the connector between two stack layers, with a travelling packet */
.stack-link { position: relative; height: 34px; display: grid; place-items: center; }
.stack-link::before { content: ""; position: absolute; top: 0; bottom: 0; width: 1px; background: repeating-linear-gradient(to bottom, var(--line-3) 0 4px, transparent 4px 9px); }
.stack-link i {
  position: absolute;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 9px rgba(var(--orange-rgb), .85);
  animation: linkPacket 2.4s linear infinite;
}
.stack-link.rev i { background: var(--green); box-shadow: 0 0 9px rgba(var(--green-rgb), .85); animation-name: linkPacketRev; animation-duration: 3.1s; }
.stack-link span { position: relative; padding: 0 10px; background: var(--ink-2); color: var(--dim); font: 600 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
@keyframes linkPacket { from { top: -3px; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } to { top: calc(100% - 4px); opacity: 0; } }
@keyframes linkPacketRev { from { top: calc(100% - 4px); opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } to { top: -3px; opacity: 0; } }
@keyframes layerPulse { 0%, 100% { box-shadow: inset 0 0 0 rgba(var(--orange-rgb), 0); } 50% { box-shadow: inset 0 0 34px rgba(var(--orange-rgb), .07); } }
@keyframes statusPulse { 50% { opacity: .35; } }

/* Marquee capability lanes */
.lanes { overflow: hidden; border-block: 1px solid var(--line); background: var(--ink-2); }
.lane { display: flex; align-items: center; height: 50px; overflow: hidden; }
.lane + .lane { border-top: 1px solid var(--line); background: rgba(255,255,255,.014); }
.lane-track { display: flex; align-items: center; gap: 34px; width: max-content; white-space: nowrap; will-change: transform; animation: laneMove 38s linear infinite; }
.lane-track span { color: var(--text-2); font: 600 13px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.lane-track i { width: 6px; height: 6px; border-radius: 50%; background: var(--orange); flex: none; }
.lane + .lane .lane-track { animation-direction: reverse; animation-duration: 45s; }
.lane + .lane .lane-track span { color: var(--dim); }
.lane + .lane .lane-track i { background: var(--green); }
.lanes:hover .lane-track { animation-play-state: paused; }
@keyframes laneMove { to { transform: translateX(-50%); } }

/* Circuit / PCB trace band with travelling pulses */
.circuit { position: relative; height: 130px; overflow: hidden; border-block: 1px solid var(--line); background: var(--ink-2); }
.circuit svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.circuit .trace { fill: none; stroke: var(--line-2); stroke-width: 1.2; }
.circuit .trace-live { stroke: rgba(var(--orange-rgb), .35); }
.circuit .pad { fill: var(--line-3); }
.circuit .pulse { fill: var(--orange); filter: drop-shadow(0 0 5px rgba(var(--orange-rgb), .9)); }
.circuit .pulse-g { fill: var(--green); filter: drop-shadow(0 0 5px rgba(var(--green-rgb), .9)); }
.circuit-label { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); padding: 8px 16px; border: 1px solid var(--line-2); background: var(--ink); color: var(--dim); font: 600 11px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; }

/* Flow diagram: idea → package → control plane → fleet */
.flow { position: relative; overflow: hidden; border: 1px solid var(--line); background-color: var(--ink-2); background-image: linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px); background-size: 28px 28px; }
.flow-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 76px 1fr 76px 1fr 76px 1fr; align-items: center; gap: 0; padding: 44px 36px 40px; }
.flow-node { padding: 20px; border: 1px solid var(--line-2); background: rgba(13,16,14,.97); transition: border-color .25s ease, transform .25s ease; }
.flow-node:hover { border-color: var(--line-3); transform: translateY(-4px); }
.flow-node .step { display: block; margin-bottom: 16px; color: var(--dim); font: 700 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.flow-node h3 { margin: 18px 0 8px; font: 650 15px/1.25 var(--mono); letter-spacing: -.01em; }
.flow-node p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.flow-art { height: 104px; position: relative; border: 1px solid var(--line-2); background: #0f1310; overflow: hidden; }
/* horizontal connector between flow nodes, with a travelling packet */
.hwire { position: relative; height: 1px; background: repeating-linear-gradient(to right, var(--line-3) 0 5px, transparent 5px 11px); }
.hwire i {
  position: absolute;
  top: -3px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 9px rgba(var(--orange-rgb), .9);
  animation: hPacket 2.2s linear infinite;
}
.hwire.g i { background: var(--green); box-shadow: 0 0 9px rgba(var(--green-rgb), .9); animation-duration: 2.8s; animation-delay: .5s; }
.hwire.b i { background: var(--blue); box-shadow: 0 0 9px rgba(99, 199, 245, .9); animation-duration: 2.5s; animation-delay: 1s; }
@keyframes hPacket { from { left: 0; opacity: 0; } 12% { opacity: 1; } 88% { opacity: 1; } to { left: calc(100% - 7px); opacity: 0; } }
.flow-status { position: relative; z-index: 3; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; min-height: 52px; padding: 10px 22px; border-top: 1px solid var(--line); background: var(--ink); }
.flow-status span { display: inline-flex; align-items: center; gap: 9px; color: var(--dim); font: 600 11px/1 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.flow-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: statusPulse 2s ease-in-out infinite; }
.flow-status span:nth-child(2) i { background: var(--orange); animation-delay: .5s; }
.flow-status span:nth-child(3) i { background: var(--blue); animation-delay: 1s; }
.mobile-wire { display: none; }

/* Mini device art used inside flow nodes */
.art-screen { position: absolute; inset: 12px; border: 1px solid var(--line-3); padding: 9px; }
.art-screen b { display: block; margin-bottom: 9px; color: var(--orange); font: 700 14px/1 var(--mono); }
.art-screen u { display: block; width: 62%; height: 3px; margin-bottom: 5px; background: var(--line-3); text-decoration: none; }
.art-screen u:nth-of-type(2) { width: 40%; }
.art-screen u:nth-of-type(3) { width: 52%; }
.art-rack { position: absolute; inset: 12px; display: grid; gap: 6px; }
.art-rack span { display: flex; align-items: center; gap: 7px; padding: 0 9px; border: 1px solid var(--line-2); }
.art-rack b { width: 44px; height: 3px; margin-right: auto; background: var(--line-3); }
.art-rack i { width: 5px; height: 5px; border-radius: 50%; background: var(--green); animation: blink 2s steps(2, end) infinite; }
.art-rack span:nth-child(2) i:last-child { animation-delay: .6s; }
.art-rack span:nth-child(3) i:first-of-type { animation-delay: 1.2s; }
@keyframes blink { 50% { opacity: .2; } }
.art-pkg { position: absolute; inset: 12px; display: grid; place-items: center; }
.art-pkg .box { position: relative; width: 74px; height: 84px; border: 1px solid var(--line-3); display: grid; place-items: end start; padding: 9px; }
.art-pkg .box::before { content: ""; position: absolute; right: -1px; top: -1px; border-left: 20px solid transparent; border-top: 20px solid #0f1310; }
.art-pkg .box::after { content: ""; position: absolute; right: -1px; top: 19px; width: 28px; height: 1px; background: var(--line-3); transform: rotate(45deg); transform-origin: 0 0; }
.art-pkg .box b { color: var(--orange); font: 700 11px/1 var(--mono); }
.art-pkg .lock { position: absolute; right: 14px; top: 14px; color: var(--orange); font: 700 13px/1 var(--mono); animation: statusPulse 2.4s ease-in-out infinite; }
.art-fleet { position: absolute; inset: 12px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.art-fleet span { position: relative; display: grid; place-items: center; border: 1px solid var(--line-2); background: #131714; }
.art-fleet span i { width: 60%; height: 42%; border: 1px solid var(--line-3); background: #232a24; }
.art-fleet span::after { content: ""; position: absolute; bottom: 8px; width: 5px; height: 5px; border-radius: 50%; background: var(--green); animation: fleetLed 2.6s ease-in-out infinite; }
.art-fleet span:nth-child(2)::after { animation-delay: .5s; }
.art-fleet span:nth-child(3)::after { animation-delay: 1s; background: var(--orange); }
.art-fleet span:nth-child(4)::after { animation-delay: 1.5s; }
@keyframes fleetLed { 0%, 100% { opacity: .28; } 50% { opacity: 1; box-shadow: 0 0 8px currentColor; } }

/* Scroll reveal — only hidden when scripting is confirmed, so a non-JS
   client (or a crawler that doesn't execute JS) still sees every section. */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1); }
.js .reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .4s; }

/* ──────────────────────────  Components  ──────────────────────────── */
/* Terminal */
.terminal { border: 1px solid var(--line-2); background: #080b09; box-shadow: 18px 18px 0 rgba(var(--orange-rgb), .035); }
.terminal-bar { display: flex; align-items: center; gap: 12px; min-height: 46px; padding: 0 18px; border-bottom: 1px solid var(--line); }
.terminal-bar .dots { display: flex; gap: 7px; }
.terminal-bar .dots i { width: 8px; height: 8px; border-radius: 50%; background: #333b36; }
.terminal-bar .dots i:nth-child(3) { background: var(--green); animation: statusPulse 2.2s ease-in-out infinite; }
.terminal-bar b { font: 600 13px/1 var(--mono); color: var(--text-2); }
.terminal-bar small { margin-left: auto; color: var(--dim); font: 600 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.terminal-body { padding: 22px 20px; overflow-x: auto; font: 500 14px/1.95 var(--mono); color: #d8d5cf; }
.terminal-body .line { display: block; white-space: pre; }
.terminal-body .blank { display: block; height: 1.95em; }
.terminal-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 42px; padding: 0 18px; border-top: 1px solid var(--line); color: var(--dim); font: 600 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.terminal-foot i { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--green); }
.terminal-foot b { color: var(--green); }
.cursor { display: inline-block; width: 8px; height: 1.05em; margin-left: 2px; background: var(--orange); vertical-align: text-bottom; animation: caret 1.05s steps(2, end) infinite; }
@keyframes caret { 50% { opacity: 0; } }

.t-prompt { color: var(--orange); }
.t-cmd { color: #eae7e1; font-weight: 650; }
.t-flag { color: var(--blue); }
.t-str { color: #b3e45f; }
.t-num { color: #ffad66; }
.t-key { color: #f379b9; }
.t-dim { color: #6d756f; }
.t-ok { color: var(--green); }
.t-warn { color: #ffc861; }

/* Code blocks */
.code { border: 1px solid var(--line-2); background: #080b09; }
.code-head { display: flex; align-items: center; gap: 12px; min-height: 42px; padding: 0 16px; border-bottom: 1px solid var(--line); color: var(--text-2); font: 600 13px/1 var(--mono); }
.code-head small { margin-left: auto; color: var(--dim); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.code pre { margin: 0; padding: 20px 18px; overflow-x: auto; font: 500 14px/1.85 var(--mono); color: #d8d5cf; }
.code-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); }
.code-tabs button { padding: 12px 16px; border: 0; border-right: 1px solid var(--line); background: none; color: var(--dim); font: 600 13px/1 var(--mono); cursor: pointer; transition: color .18s ease, background .18s ease; }
.code-tabs button:hover { color: var(--text-2); }
.code-tabs button[aria-selected="true"] { color: var(--orange); background: rgba(var(--orange-rgb), .06); }
.code-panel[hidden] { display: none; }

code { font: 500 .92em/1.5 var(--mono); color: var(--orange); }
p code, li code, td code { padding: 2px 6px; border: 1px solid var(--line); background: rgba(255,255,255,.03); color: var(--orange); white-space: nowrap; }
.c-key { color: #f379b9; }
.c-fn { color: #b3e45f; }
.c-str { color: #ffad66; }
.c-num { color: #ffad66; }
.c-com { color: #657168; font-style: italic; }
.c-var { color: #63c7f5; }
.c-ln { display: inline-block; width: 28px; color: #4c544e; user-select: none; }

/* Card grids */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.card { padding: 30px 26px; background: var(--ink-2); transition: background .25s ease; }
.card:hover { background: var(--panel-2); }
.card-icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 20px; border: 1px solid var(--line-2); color: var(--orange); }
.card-icon svg { width: 21px; height: 21px; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.card-icon.g { color: var(--green); }
.card h3 { margin: 0 0 12px; font: 650 18px/1.3 var(--mono); letter-spacing: -.02em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.card .card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.card .card-foot code { padding: 0; border: 0; background: none; font-size: 12px; color: var(--dim); }

/* Split feature rows */
.split { display: grid; grid-template-columns: 1fr 1.15fr; align-items: center; gap: 72px; }
.split-rev { grid-template-columns: 1.15fr 1fr; }
.split h2 { margin: 18px 0 20px; font: 640 clamp(32px, 3.6vw, 46px)/1.06 var(--mono); letter-spacing: -.045em; }
.split p { color: var(--muted); font-size: 16px; line-height: 1.72; }

/* Numbered list */
.numlist { margin: 28px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.numlist li { display: grid; grid-template-columns: 46px 1fr; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--line); transition: padding-left .2s ease; }
.numlist li:hover { padding-left: 6px; }
.numlist b { color: var(--orange); font: 700 12px/1.5 var(--mono); }
.numlist strong { display: block; margin-bottom: 5px; font: 650 15px/1.35 var(--mono); }
.numlist span { color: var(--muted); font-size: 14px; line-height: 1.6; }

/* Steps (deployment) */
.steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 120px 1fr; align-items: start; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line); transition: background .2s ease; }
.steps li:hover { background: rgba(255,255,255,.014); }
.steps .step-n { color: var(--dim); font: 650 13px/1 var(--mono); letter-spacing: .1em; }
.steps .step-n b { display: block; margin-bottom: 8px; color: var(--orange); font-size: 32px; letter-spacing: -.04em; }
.steps h3 { margin: 0 0 8px; font: 650 20px/1.25 var(--mono); letter-spacing: -.02em; }
.steps p { margin: 0 0 12px; color: var(--muted); font-size: 15px; line-height: 1.7; max-width: 720px; }

/* Stat strip */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stat { padding: 26px 24px; background: var(--ink-2); }
.stat b { display: block; margin-bottom: 8px; color: var(--orange); font: 650 30px/1 var(--mono); letter-spacing: -.04em; }
.stat span { display: block; color: var(--muted); font-size: 14px; line-height: 1.5; }
.stat small { display: block; margin-top: 8px; color: var(--dim); font: 600 11px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; }

/* Callouts */
.note { display: grid; grid-template-columns: 26px 1fr; gap: 14px; padding: 18px 20px; border: 1px solid var(--line-2); border-left: 2px solid var(--orange); background: rgba(var(--orange-rgb), .04); color: var(--text-2); font-size: 15px; line-height: 1.65; }
.note b { display: block; margin-bottom: 5px; color: var(--orange); font: 650 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.note .mark { display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid var(--orange); color: var(--orange); font: 700 13px/1 var(--mono); }
.note-green { border-left-color: var(--green); background: rgba(var(--green-rgb), .04); }
.note-green b, .note-green .mark { color: var(--green); border-color: var(--green); }
.note-plain { border-left-color: var(--line-3); background: rgba(255,255,255,.02); }
.note-plain b, .note-plain .mark { color: var(--muted); border-color: var(--line-3); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--panel); color: var(--text-2); font: 650 12px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
td { color: var(--muted); line-height: 1.6; }
tbody tr:hover { background: rgba(255,255,255,.018); }
tbody tr:last-child td { border-bottom: 0; }
td strong { color: var(--text); font-weight: 600; }

/* Use-case tiles */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.tile { position: relative; min-height: 210px; padding: 26px 24px; background: var(--ink-2); transition: background .25s ease, transform .25s ease; }
.tile:hover { background: var(--panel-2); transform: translateY(-3px); }
.tile > span { color: var(--dim); font: 700 11px/1 var(--mono); letter-spacing: .12em; }
.tile h3 { margin: 44px 0 10px; font: 650 17px/1.25 var(--mono); letter-spacing: -.02em; }
.tile p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

/* Manifesto band */
.band { border-block: 1px solid var(--line); background: var(--panel); }
.band-inner { display: grid; grid-template-columns: .3fr 1fr; align-items: center; gap: 56px; padding-block: 72px; }
.band-inner p:last-child { margin: 0; font-size: clamp(26px, 3.1vw, 40px); line-height: 1.22; letter-spacing: -.04em; }
.band-inner em { color: var(--dim); font-style: normal; }

/* CTA */
.cta { padding-block: 120px; text-align: center; }
.cta h2 { margin: 22px 0 22px; font: 650 clamp(40px, 5.4vw, 70px)/.98 var(--mono); letter-spacing: -.06em; }
.cta > p { max-width: 660px; margin: 0 auto 32px; color: var(--muted); font-size: 17px; line-height: 1.72; }
.cta .btn-row { justify-content: center; }

/* API group index */
.api-groups { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.api-group { padding: 26px 24px; background: var(--ink-2); transition: background .25s ease; }
.api-group:hover { background: var(--panel-2); }
.api-group h3 { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 8px; font: 650 16px/1.25 var(--mono); }
.api-group > code { display: block; margin-bottom: 12px; padding: 0; border: 0; background: none; color: var(--orange); font-size: 13px; }
.api-group p { margin: 0 0 14px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.api-group ul { margin: 0; padding: 0; list-style: none; }
.api-group li { padding: 6px 0; border-top: 1px solid var(--line); color: var(--dim); font: 500 12.5px/1.5 var(--mono); }

/* ────────────────────────────  Docs  ──────────────────────────────── */
.docs-layout { display: grid; grid-template-columns: 260px 1fr; align-items: start; gap: 56px; padding-block: 52px 96px; }
.docs-side { position: sticky; top: 96px; max-height: calc(100vh - 120px); overflow-y: auto; padding-right: 8px; }
.docs-side h4 { margin: 22px 0 10px; color: var(--dim); font: 700 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.docs-side h4:first-child { margin-top: 0; }
.docs-side a { display: block; padding: 7px 0 7px 12px; border-left: 1px solid var(--line); color: var(--muted); font-size: 14.5px; transition: color .18s ease, border-color .18s ease; }
.docs-side a:hover { color: var(--text); border-left-color: var(--line-3); }
.docs-side a.active { color: var(--orange); border-left-color: var(--orange); }
.nav-cta-mobile { display: none; }

.docs-body { min-width: 0; max-width: 900px; }
.docs-body h2 { margin: 56px 0 18px; padding-top: 12px; font: 640 30px/1.2 var(--mono); letter-spacing: -.035em; scroll-margin-top: 100px; }
.docs-body h2:first-child { margin-top: 0; }
.docs-body h3 { margin: 34px 0 12px; font: 650 20px/1.3 var(--mono); letter-spacing: -.02em; scroll-margin-top: 100px; }
.docs-body h4 { margin: 24px 0 10px; font: 650 16px/1.35 var(--mono); }
.docs-body p { color: var(--text-2); font-size: 16.5px; line-height: 1.75; }
.docs-body ul, .docs-body ol { color: var(--text-2); font-size: 16.5px; line-height: 1.75; padding-left: 22px; }
.docs-body li { margin-bottom: 7px; }
.docs-body .code, .docs-body .table-wrap, .docs-body .note { margin-block: 22px; }
.docs-body hr { margin: 48px 0; border: 0; border-top: 1px solid var(--line); }

.sig { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 30px 0 12px; padding: 14px 16px; border: 1px solid var(--line-2); border-left: 2px solid var(--orange); background: var(--panel); scroll-margin-top: 100px; }
.sig code { padding: 0; border: 0; background: none; color: var(--text); font-size: 15px; white-space: normal; }
.sig code b { color: var(--orange); font-weight: 650; }
.sig .tag { margin-left: auto; }

.docs-nextprev { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 64px; background: var(--line); border: 1px solid var(--line); }
.docs-nextprev a { padding: 22px 24px; background: var(--ink-2); transition: background .2s ease; }
.docs-nextprev a:hover { background: var(--panel-2); }
.docs-nextprev span { display: block; margin-bottom: 8px; color: var(--dim); font: 600 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.docs-nextprev b { font: 650 16px/1.3 var(--mono); }
.docs-nextprev a:last-child { text-align: right; }

/* ────────────────────────────  Forms  ─────────────────────────────── */
.form { display: grid; gap: 18px; padding: 30px; border: 1px solid var(--line-2); background: var(--ink-2); }
.field { display: grid; gap: 8px; }
.field label { color: var(--text-2); font: 600 13px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.field label .req { color: var(--orange); }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line-2);
  border-radius: 0;
  background: #0a0d0b;
  color: var(--text);
  font: 400 16px/1.5 var(--sans);
  transition: border-color .18s ease;
}
.field textarea { min-height: 150px; resize: vertical; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 19px) 21px, calc(100% - 14px) 21px; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 0; border-color: var(--orange); }
.field input::placeholder, .field textarea::placeholder { color: var(--dim); }
.field small { color: var(--dim); font-size: 13px; line-height: 1.5; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
/* honeypot — off-screen rather than display:none, which some bots skip */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-note { margin: 0; color: var(--dim); font-size: 13.5px; line-height: 1.6; }
.form-msg { display: grid; grid-template-columns: 26px 1fr; gap: 14px; padding: 16px 18px; font-size: 15px; line-height: 1.6; }
.form-msg .mark { display: grid; place-items: center; width: 26px; height: 26px; font: 700 13px/1 var(--mono); }
.form-msg b { display: block; margin-bottom: 4px; font: 650 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.form-ok { border: 1px solid rgba(var(--green-rgb), .45); background: rgba(var(--green-rgb), .06); color: var(--text-2); }
.form-ok .mark, .form-ok b { color: var(--green); border: 1px solid var(--green); }
.form-ok b { border: 0; }
.form-err { border: 1px solid rgba(var(--orange-rgb), .5); background: rgba(var(--orange-rgb), .06); color: var(--text-2); }
.form-err .mark, .form-err b { color: var(--orange); border: 1px solid var(--orange); }
.form-err b { border: 0; }

/* ───────────────────────────  Footer  ─────────────────────────────── */
.site-footer { border-top: 1px solid var(--line); background: var(--ink-2); }
.footer-top { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 40px; padding-block: 62px 48px; }
.footer-brand p { max-width: 300px; margin: 18px 0 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.footer-col h5 { margin: 0 0 16px; color: var(--dim); font: 700 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.footer-col a { display: block; padding: 6px 0; color: var(--muted); font-size: 15px; transition: color .18s ease; }
.footer-col a:hover { color: var(--orange); }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-block: 22px; border-top: 1px solid var(--line); color: var(--dim); font: 500 13px/1.5 var(--mono); }
.footer-bottom p { margin: 0; }
.footer-bottom .status { display: inline-flex; align-items: center; gap: 9px; }
.footer-bottom .status i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: statusPulse 2.4s ease-in-out infinite; }

/* ─────────────────────────  Responsive  ───────────────────────────── */
@media (max-width: 1180px) {
  .shell, .shell-narrow { width: calc(100% - 44px); }
  .site-nav { gap: 18px; }
  .site-nav a { font-size: 14px; }
  .hero-inner { grid-template-columns: 1fr 1fr; gap: 44px; }
  .flow-grid { gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 980px) {
  :root { --pad-section: 84px; }
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    display: grid;
    gap: 0;
    margin: 0;
    padding: 14px 28px 22px;
    background: #0b0f0d;
    border-bottom: 1px solid var(--line);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    max-height: calc(100vh - 76px);
    overflow-y: auto;
  }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .site-nav a.active::after { display: none; }
  .nav-open .site-nav { visibility: visible; opacity: 1; transform: none; }
  .nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  /* order the header as: brand … portal-link, burger */
  .nav-right { order: 3; margin-left: auto; }
  .nav-toggle { order: 4; margin-left: 0; }
  .nav-right .btn { display: none; }
  /* the header CTA is hidden above, so surface it inside the menu instead */
  .nav-cta-mobile { display: block !important; color: var(--orange) !important; font-weight: 600; }

  .hero-inner { grid-template-columns: 1fr; gap: 52px; padding-block: 60px 72px; }
  .hero-sub { max-width: 640px; }
  .section-head { grid-template-columns: 1fr; gap: 20px; }
  .split, .split-rev { grid-template-columns: 1fr; gap: 40px; }
  .cards, .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .api-groups { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .band-inner { grid-template-columns: 1fr; gap: 20px; padding-block: 52px; }
  .flow-grid { grid-template-columns: 1fr; gap: 0; padding: 30px 22px 30px; }
  .flow-node { width: min(100%, 440px); justify-self: center; }
  .hwire { width: 1px; height: 62px; margin: 0 auto; background: repeating-linear-gradient(to bottom, var(--line-3) 0 5px, transparent 5px 11px); }
  .hwire i { top: auto; left: -3px; animation-name: vPacket; }
  @keyframes vPacket { from { top: 0; opacity: 0; } 12% { opacity: 1; } 88% { opacity: 1; } to { top: calc(100% - 7px); opacity: 0; } }

  .docs-layout { grid-template-columns: 1fr; gap: 30px; padding-block: 34px 72px; }
  .docs-side { position: static; max-height: none; padding: 18px 20px; border: 1px solid var(--line); background: var(--ink-2); }
  .docs-side-inner { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 26px; }
  .docs-side-inner h4 { grid-column: 1 / -1; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 620px) {
  :root { --pad-section: 66px; }
  .shell, .shell-narrow { width: calc(100% - 32px); }
  body { font-size: 16px; }
  .brand { font-size: 19px; }
  .portal-link { font-size: 11px; }
  .hero h1 { font-size: clamp(34px, 10.5vw, 48px); }
  .hero-sub { font-size: 17px; }
  .hero-actions { gap: 12px; }
  .hero-actions .btn { width: 100%; }
  .btn { font-size: 13px; }
  .lane { height: 44px; }
  .lane-track { gap: 24px; animation-duration: 30s; }
  .lane-track span { font-size: 12px; }
  .circuit { height: 100px; }
  .section-head h2 { font-size: 30px; }
  .cards, .cards-4, .cards-2, .tiles, .api-groups, .stats { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .form { padding: 22px 20px; }
  .card { padding: 24px 20px; }
  .steps li { grid-template-columns: 1fr; gap: 10px; padding: 24px 0; }
  .steps .step-n { display: flex; align-items: baseline; gap: 12px; }
  .steps .step-n b { margin: 0; font-size: 24px; }
  .terminal-body { font-size: 12.5px; padding: 18px 14px; }
  .code pre { font-size: 12.5px; padding: 16px 14px; }
  .docs-body h2 { font-size: 25px; }
  .docs-body h3 { font-size: 18px; }
  .docs-body p, .docs-body ul, .docs-body ol { font-size: 16px; }
  .docs-side-inner { grid-template-columns: 1fr; }
  .docs-nextprev { grid-template-columns: 1fr; }
  .docs-nextprev a:last-child { text-align: left; }
  .cta { padding-block: 76px; }
  .cta h2 { font-size: 36px; }
  .footer-top { grid-template-columns: 1fr; gap: 26px; padding-block: 44px 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
  .stack { padding: 14px; }
  .stack-layer { grid-template-columns: 26px 1fr auto; padding: 12px 14px; min-height: 70px; }
  .stack-layer b { font-size: 13px; }
  .stack-layer small { font-size: 11px; }
}

/* ────────────────────────  Reduced motion  ────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .flow-wires circle, .circuit circle { display: none; }
}