/* ════════════════════════════════════════════════════════════
   ARTEQ AI — BRAND SYSTEM v2
   Concept: ENGINEERED, NOT GENERATED.
   Blueprint / spec-sheet language drawn from the labyrinth-A:
   drafting guides, crosshairs, mono annotations, index numbers.
   ════════════════════════════════════════════════════════════ */

:root {
  /* Ink & Indigo — sampled from the Arteq mark */
  --ink: #0e0d3b;
  --ink-deep: #08081f;
  --indigo: #2b29aa;
  --indigo-hot: #4640e0;
  --paper: #f6f6f2;
  --panel: #ffffff;
  --line: #dcdce6;
  --line-dark: rgba(255, 255, 255, 0.14);
  --mute: #5b5b72;
  --mute-2: #8a8a9e;

  --font-disp: 'Archivo', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --gutter: clamp(20px, 4vw, 64px);
  --max: 1440px;
  --r: 2px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  font-family: var(--font-disp);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
::selection { background: var(--indigo-hot); color: #fff; }

.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }

/* ── Type scale ──────────────────────────────────────────── */
.display {
  font-weight: 800;
  font-stretch: 110%;
  text-transform: uppercase;
  letter-spacing: -0.015em;
  line-height: 0.95;
}
h1.display { font-size: clamp(44px, 8.2vw, 124px); }
h2.display { font-size: clamp(32px, 4.6vw, 64px); }
.outline {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--indigo-hot);
}
.accent { color: var(--indigo-hot); }
.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.mono.dim { color: var(--mute-2); }
.lead { font-size: clamp(16px, 1.6vw, 19px); color: var(--mute); max-width: 56ch; }

/* mono label with crosshair */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--indigo);
}
.tag::before { content: '+'; color: var(--indigo-hot); font-weight: 400; font-size: 14px; }
.band-ink .tag { color: #b9b7ff; }
.band-ink .tag::before { color: #b9b7ff; }

/* ── Crosshair / guide motifs ────────────────────────────── */
.guides {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.guides .v, .guides .h { position: absolute; background: none; }
.guides .v { top: 0; bottom: 0; width: 0; border-left: 1px dashed rgba(43, 41, 170, 0.16); }
.guides .h { left: 0; right: 0; height: 0; border-top: 1px dashed rgba(43, 41, 170, 0.16); }
.band-ink .guides .v { border-left-color: rgba(255,255,255,0.09); }
.band-ink .guides .h { border-top-color: rgba(255,255,255,0.09); }
.xh {
  position: absolute;
  width: 17px; height: 17px;
  pointer-events: none;
  z-index: 1;
}
.xh::before, .xh::after { content: ''; position: absolute; background: var(--indigo-hot); }
.xh::before { left: 8px; top: 0; width: 1px; height: 17px; }
.xh::after { top: 8px; left: 0; height: 1px; width: 17px; }
.band-ink .xh::before, .band-ink .xh::after { background: rgba(255,255,255,0.4); }

/* ── Sections ────────────────────────────────────────────── */
section { position: relative; padding: clamp(80px, 9vw, 140px) 0; }
.sec-head { position: relative; margin-bottom: clamp(44px, 5vw, 80px); }
.sec-head .idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mute-2);
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--ink);
  padding-top: 12px;
  margin-bottom: 30px;
}
.band-ink .sec-head .idx { border-top-color: var(--line-dark); color: rgba(255,255,255,0.45); }
.sec-head h2 { max-width: 18ch; }
.sec-head .lead { margin-top: 22px; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 17px 28px;
  border-radius: var(--r);
  border: 1px solid var(--ink);
  overflow: hidden;
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
  isolation: isolate;
  white-space: nowrap;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--indigo-hot);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.35s var(--ease);
  z-index: -1;
}
.btn:hover::before { transform: scaleY(1); transform-origin: bottom; }
.btn .arr { font-family: var(--font-disp); font-size: 15px; transition: transform 0.35s var(--ease); }
.btn:hover .arr { transform: translate(3px, -3px); }
.btn-solid { background: var(--ink); color: #fff; }
.btn-solid:hover { border-color: var(--indigo-hot); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { color: #fff; border-color: var(--indigo-hot); }
.btn-paper { background: #fff; color: var(--ink); border-color: #fff; }
.btn-paper:hover { color: #fff; border-color: var(--indigo-hot); }
.btn-inv { background: transparent; color: #fff; border-color: rgba(255,255,255,0.35); }
.btn-inv:hover { border-color: var(--indigo-hot); }

/* ── Preloader ───────────────────────────────────────────── */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--ink-deep);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}
.pre-mark { width: clamp(130px, 17vw, 200px); }
.pre-mark .pg { stroke: rgba(255,255,255,0.16); stroke-width: 1; stroke-dasharray: 4 6; opacity: 0; }
.pre-mark .ps { stroke: #fff; stroke-width: 2.5; stroke-linecap: square; }
.pre-mark .pn { fill: var(--indigo-hot); }
.pre-status {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  min-height: 1.2em;
}
.no-js .preloader, .preloader.done { display: none; }

/* ── Header ──────────────────────────────────────────────── */
.microbar {
  background: var(--ink-deep);
  color: rgba(255,255,255,0.6);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.microbar .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 9px;
  padding-bottom: 9px;
}
.microbar span em { font-style: normal; color: #b9b7ff; }

.hdr {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(246, 246, 242, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.hdr .wrap {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  height: 72px;
}
.hdr-logo { display: flex; align-items: center; gap: 12px; }
.hdr-logo img { height: 44px; width: auto; }
.hdr-logo .lockup {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.hdr-logo .lockup b {
  font-weight: 800;
  font-stretch: 110%;
  font-size: 17px;
  letter-spacing: 0.08em;
}
.hdr-logo .lockup i {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--mute-2);
  text-transform: uppercase;
}
.hdr-nav { display: flex; align-items: stretch; }
.hdr-nav a {
  display: flex;
  align-items: center;
  padding: 0 22px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  border-left: 1px solid var(--line);
  position: relative;
  transition: color 0.25s, background 0.25s;
}
.hdr-nav a:last-child { border-right: 1px solid var(--line); }
.hdr-nav a:hover { color: var(--ink); background: rgba(70, 64, 224, 0.05); }
.hdr-nav a.active { color: var(--indigo-hot); }
.hdr-nav a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--indigo-hot);
}
.hdr-cta { display: flex; align-items: center; gap: 12px; }
.hdr-cta .btn { padding: 12px 20px; font-size: 11px; }
.burger { display: none; flex-direction: column; gap: 5px; padding: 10px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--ink); transition: 0.3s; }
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 80;
  background: var(--paper);
  padding: 140px var(--gutter) 40px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  font-weight: 800;
  font-stretch: 110%;
  text-transform: uppercase;
  font-size: clamp(30px, 8vw, 44px);
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.mobile-menu a span { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--mute-2); display: block; font-weight: 400; }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: clamp(70px, 7vw, 110px) 0 0;
  overflow: hidden;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  z-index: 2;
}
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span { display: inline-block; }
.hero .lead { margin: 30px 0 38px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* schematic frame around the mark */
.schematic {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: clamp(28px, 4vw, 56px);
  border-radius: var(--r);
}
.schematic::before {
  content: '';
  position: absolute;
  inset: 14px;
  border: 1px dashed rgba(43, 41, 170, 0.25);
  pointer-events: none;
}
.schematic img { width: 100%; max-width: 360px; margin: 0 auto; }
.schematic .note {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute-2);
  background: var(--panel);
  padding: 2px 8px;
}
.schematic .note.tl { top: -7px; left: 22px; }
.schematic .note.br { bottom: -7px; right: 22px; color: var(--indigo); }
.schematic .corner {
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--indigo-hot);
  border-style: solid;
  border-width: 0;
}
.schematic .corner.c1 { top: -1px; left: -1px; border-top-width: 2px; border-left-width: 2px; }
.schematic .corner.c2 { top: -1px; right: -1px; border-top-width: 2px; border-right-width: 2px; }
.schematic .corner.c3 { bottom: -1px; left: -1px; border-bottom-width: 2px; border-left-width: 2px; }
.schematic .corner.c4 { bottom: -1px; right: -1px; border-bottom-width: 2px; border-right-width: 2px; }

/* stat rail */
.stat-rail {
  margin-top: clamp(56px, 6vw, 96px);
  border-top: 1px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-rail .cell {
  padding: 26px 24px 30px 0;
  border-right: 1px solid var(--line);
}
.stat-rail .cell:last-child { border-right: none; }
.stat-rail .cell + .cell { padding-left: 24px; }
.stat-rail .num {
  font-weight: 800;
  font-stretch: 110%;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-rail .num sup { font-size: 0.45em; color: var(--indigo-hot); }
.stat-rail .lbl { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mute-2); margin-top: 10px; }

/* ── Marquee ─────────────────────────────────────────────── */
.marquee {
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--panel);
  overflow: hidden;
  padding: 16px 0;
  white-space: nowrap;
}
.marquee-track { display: inline-flex; will-change: transform; }
.marquee-track span {
  font-weight: 800;
  font-stretch: 110%;
  text-transform: uppercase;
  font-size: clamp(15px, 1.6vw, 21px);
  letter-spacing: 0.04em;
  padding-right: 28px;
}
.marquee-track span i { font-style: normal; color: var(--indigo-hot); padding-right: 28px; }
.marquee-track span.ol { color: transparent; -webkit-text-stroke: 1px var(--mute-2); }

/* ── Index rows (services) ───────────────────────────────── */
.index-rows { border-top: 1px solid var(--ink); }
.index-row {
  display: grid;
  grid-template-columns: 80px 1.05fr 1.4fr auto;
  gap: clamp(16px, 3vw, 48px);
  align-items: center;
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding-left 0.4s var(--ease);
}
.index-row::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0;
  background: var(--indigo-hot);
  transition: width 0.4s var(--ease);
}
.index-row:hover { padding-left: 22px; }
.index-row:hover::before { width: 4px; }
.index-row .no { font-family: var(--font-mono); font-size: 12px; color: var(--mute-2); letter-spacing: 0.1em; }
.index-row h3 {
  font-weight: 800;
  font-stretch: 110%;
  text-transform: uppercase;
  font-size: clamp(18px, 2.2vw, 27px);
  letter-spacing: -0.01em;
  line-height: 1.05;
  transition: color 0.3s;
}
.index-row:hover h3 { color: var(--indigo-hot); }
.index-row p { font-size: 14.5px; color: var(--mute); max-width: 52ch; }
.index-row .go {
  width: 46px; height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  display: grid;
  place-items: center;
  font-size: 17px;
  transition: 0.3s var(--ease);
}
.index-row:hover .go { background: var(--indigo-hot); border-color: var(--indigo-hot); color: #fff; transform: rotate(45deg); }

/* ── Tiles (industries) ──────────────────────────────────── */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.tile {
  position: relative;
  background: var(--panel);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(26px, 3vw, 40px);
  min-height: 270px;
  display: flex;
  flex-direction: column;
  transition: background 0.3s;
}
.tile:hover { background: #fbfbff; }
.tile .t-no { font-family: var(--font-mono); font-size: 11px; color: var(--mute-2); letter-spacing: 0.14em; margin-bottom: auto; display: flex; justify-content: space-between; }
.tile .t-no b { color: var(--indigo-hot); font-weight: 500; }
.tile h3 {
  font-weight: 800;
  font-stretch: 110%;
  text-transform: uppercase;
  font-size: clamp(19px, 2vw, 24px);
  margin: 22px 0 10px;
}
.tile p { font-size: 14.5px; color: var(--mute); }
.tile .chips { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 7px; }
.tile .chips span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  padding: 5px 10px;
  border-radius: var(--r);
  color: var(--mute);
}
.tile::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 2px;
  background: var(--indigo-hot);
  transition: width 0.45s var(--ease);
}
.tile:hover::after { width: 100%; }

/* ── Ink band ────────────────────────────────────────────── */
.band-ink {
  background: var(--ink-deep);
  color: rgba(255,255,255,0.78);
}
.band-ink h2, .band-ink h3 { color: #fff; }
.band-ink .lead { color: rgba(255,255,255,0.55); }
.spec-list {
  border-top: 1px solid var(--line-dark);
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.spec {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 34px 40px 34px 0;
  border-bottom: 1px solid var(--line-dark);
}
.spec:nth-child(odd) { border-right: 1px solid var(--line-dark); }
.spec:nth-child(even) { padding-left: 40px; }
.spec .s-no { font-family: var(--font-mono); font-size: 12px; color: #b9b7ff; letter-spacing: 0.12em; padding-top: 5px; }
.spec h3 { font-weight: 800; font-stretch: 110%; text-transform: uppercase; font-size: 18px; margin-bottom: 8px; }
.spec p { font-size: 14.5px; color: rgba(255,255,255,0.55); max-width: 46ch; }

/* ── Horizontal pinned process ───────────────────────────── */
.proc-pin { overflow: hidden; }
.proc-track {
  display: flex;
  gap: clamp(18px, 2vw, 28px);
  will-change: transform;
  padding-right: var(--gutter);
}
.proc-card {
  flex: 0 0 clamp(300px, 32vw, 430px);
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--r);
  padding: clamp(28px, 3vw, 40px);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.proc-card .p-no {
  font-weight: 800;
  font-stretch: 110%;
  font-size: clamp(44px, 5vw, 68px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--line);
  transition: -webkit-text-stroke-color 0.4s;
  margin-bottom: auto;
}
.proc-card:hover .p-no { -webkit-text-stroke-color: var(--indigo-hot); }
.proc-card h3 { font-weight: 800; font-stretch: 110%; text-transform: uppercase; font-size: 20px; margin: 26px 0 10px; }
.proc-card p { font-size: 14.5px; color: var(--mute); }
.proc-card .p-tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--indigo); margin-top: 20px; }

/* ── Detail blocks (services page) ───────────────────────── */
.detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 5vw, 88px);
  align-items: center;
  padding: clamp(56px, 7vw, 96px) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.detail:last-of-type { border-bottom: none; }
.detail.flip .d-visual { order: 2; }
.detail .d-copy .tag { margin-bottom: 18px; }
.detail h3 {
  font-weight: 800;
  font-stretch: 110%;
  text-transform: uppercase;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1;
  margin-bottom: 18px;
}
.detail .d-copy > p { font-size: 15.5px; color: var(--mute); }
.d-list { margin-top: 24px; border-top: 1px solid var(--line); }
.d-list li {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--ink);
  align-items: baseline;
}
.d-list li::before {
  content: attr(data-i);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--indigo-hot);
  letter-spacing: 0.1em;
  flex-shrink: 0;
  width: 32px;
}
.d-visual {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--r);
  min-height: clamp(300px, 36vw, 460px);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.d-visual::before {
  content: '';
  position: absolute;
  inset: 16px;
  border: 1px dashed rgba(43, 41, 170, 0.22);
}
.d-visual .watermark {
  position: absolute;
  width: 75%;
  opacity: 0.05;
  right: -16%;
  bottom: -12%;
}
.d-visual .d-icon {
  position: relative;
  width: 96px; height: 96px;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--r);
  display: grid;
  place-items: center;
  color: var(--indigo-hot);
}
.d-visual .d-icon svg { width: 42px; height: 42px; }
.d-visual .note {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute-2);
}
.d-visual .note.a { top: 24px; left: 26px; }
.d-visual .note.b { bottom: 24px; right: 26px; color: var(--indigo); }
.d-metrics { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.d-metrics div {
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 12px 18px;
  background: var(--panel);
}
.d-metrics b { display: block; font-weight: 800; font-stretch: 110%; font-size: 19px; }
.d-metrics span { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mute-2); }

/* ── Page hero (inner) ───────────────────────────────────── */
.page-hero {
  position: relative;
  padding: clamp(60px, 7vw, 110px) 0 clamp(48px, 5vw, 80px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-hero .crumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute-2);
  margin-bottom: 28px;
  display: flex;
  gap: 12px;
}
.page-hero .crumb a:hover { color: var(--indigo-hot); }
.page-hero h1 { max-width: 14ch; }
.page-hero .lead { margin-top: 26px; }
.page-hero .wm {
  position: absolute;
  right: -4%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(220px, 26vw, 420px);
  opacity: 0.05;
  pointer-events: none;
}

/* ── FAQ ─────────────────────────────────────────────────── */
.faq { border-top: 1px solid var(--ink); max-width: 880px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: grid;
  grid-template-columns: 56px 1fr 40px;
  gap: 16px;
  align-items: center;
  text-align: left;
  padding: 24px 0;
}
.faq-q .f-no { font-family: var(--font-mono); font-size: 11px; color: var(--mute-2); letter-spacing: 0.12em; }
.faq-q .f-t { font-weight: 800; font-stretch: 110%; text-transform: uppercase; font-size: clamp(15px, 1.6vw, 19px); transition: color 0.3s; }
.faq-item.open .f-t, .faq-q:hover .f-t { color: var(--indigo-hot); }
.faq-q .f-x {
  position: relative;
  width: 34px; height: 34px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  justify-self: end;
  transition: 0.3s var(--ease);
}
.faq-q .f-x::before, .faq-q .f-x::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  background: currentColor;
  transition: transform 0.3s var(--ease);
}
.faq-q .f-x::before { width: 12px; height: 1.5px; transform: translate(-50%, -50%); }
.faq-q .f-x::after { width: 1.5px; height: 12px; transform: translate(-50%, -50%); }
.faq-item.open .f-x { background: var(--indigo-hot); border-color: var(--indigo-hot); color: #fff; }
.faq-item.open .f-x::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.45s var(--ease); }
.faq-a-in { padding: 0 0 26px 72px; font-size: 15px; color: var(--mute); max-width: 64ch; }

/* ── CTA band ────────────────────────────────────────────── */
.cta-band { text-align: left; }
.cta-band h2.display { font-size: clamp(38px, 6.4vw, 96px); max-width: 14ch; }
.cta-band .lead { margin: 28px 0 36px; }

/* ── Contact ─────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 5vw, 88px);
  align-items: start;
}
.c-rows { border-top: 1px solid var(--ink); margin-top: 34px; }
.c-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.c-row .c-no { font-family: var(--font-mono); font-size: 11px; color: var(--indigo); letter-spacing: 0.12em; padding-top: 4px; }
.c-row h4 { font-weight: 800; font-stretch: 110%; text-transform: uppercase; font-size: 15px; margin-bottom: 4px; }
.c-row p, .c-row a.lnk { font-size: 14.5px; color: var(--mute); }
.c-row a.lnk { text-decoration: underline; text-underline-offset: 3px; }
.c-row a.lnk:hover { color: var(--indigo-hot); }

/* ── Contact form ────────────────────────────────────────── */
.form-card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--r);
  padding: clamp(24px, 3.4vw, 44px);
}
.fc-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 26px;
}
.fc-head h3 { font-weight: 800; font-stretch: 110%; text-transform: uppercase; font-size: 20px; }
.f-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.f-field { display: flex; flex-direction: column; gap: 8px; }
.f-field.full { grid-column: 1 / -1; }
.f-field label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}
.f-field label em { font-style: normal; color: var(--indigo-hot); }
.f-field input,
.f-field select,
.f-field textarea {
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 13px 14px;
  width: 100%;
  transition: border-color 0.25s, box-shadow 0.25s;
  -webkit-appearance: none;
  appearance: none;
}
.f-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%235b5b72' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.f-field textarea { min-height: 130px; resize: vertical; }
.f-field input::placeholder, .f-field textarea::placeholder { color: var(--mute-2); }
.f-field input:focus, .f-field select:focus, .f-field textarea:focus {
  outline: none;
  border-color: var(--indigo-hot);
  box-shadow: 0 0 0 3px rgba(70, 64, 224, 0.12);
}
.f-success {
  display: none;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--indigo);
  border: 1px solid var(--indigo-hot);
  background: rgba(70, 64, 224, 0.06);
  border-radius: var(--r);
  padding: 14px 16px;
}
.f-success.visible { display: block; }
.f-note { margin-top: 16px; font-size: 12.5px; color: var(--mute-2); }

/* ── Story (scroll-scrub copy) ───────────────────────────── */
.story { background: var(--panel); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.story-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute-2);
  margin-bottom: 30px;
}
.story-text {
  font-weight: 800;
  font-stretch: 110%;
  text-transform: uppercase;
  font-size: clamp(22px, 3.4vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  max-width: 26ch;
}
.story-text .w { color: #c3c3d2; }
.no-motion .story-text .w { color: var(--ink); }

/* ── Reveal initial states ───────────────────────────────── */
[data-reveal] { opacity: 0; transform: translateY(30px); }
.no-motion [data-reveal] { opacity: 1; transform: none; }

/* ── Hero canvas (three.js) ──────────────────────────────── */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* ── Cursor dot ──────────────────────────────────────────── */
.cursor-dot {
  position: fixed;
  top: -5px; left: -5px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--indigo-hot);
  z-index: 9998;
  pointer-events: none;
  mix-blend-mode: multiply;
  opacity: 0.85;
}
@media (hover: none) { .cursor-dot { display: none; } }

/* ── Sound toggle ────────────────────────────────────────── */
.snd-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: inherit;
}
.snd-toggle .bars { display: inline-flex; align-items: flex-end; gap: 2px; height: 10px; }
.snd-toggle .bars i {
  display: block;
  width: 2px;
  background: #b9b7ff;
  animation: snd-bar 0.9s ease-in-out infinite alternate;
}
.snd-toggle .bars i:nth-child(1) { height: 5px; }
.snd-toggle .bars i:nth-child(2) { height: 10px; animation-delay: 0.15s; }
.snd-toggle .bars i:nth-child(3) { height: 7px; animation-delay: 0.3s; }
@keyframes snd-bar { from { transform: scaleY(0.4); } to { transform: scaleY(1); } }
.snd-toggle.off .bars i { animation: none; transform: scaleY(0.3); background: var(--mute-2); }
.snd-toggle.off { opacity: 0.55; }

/* ── Footer ──────────────────────────────────────────────── */
.ftr {
  background: var(--ink-deep);
  color: rgba(255, 255, 255, 0.65);
  overflow: hidden;
}
.ftr-word { border-bottom: 1px solid var(--line-dark); overflow: hidden; }
.ftr-word .w {
  font-weight: 800;
  font-stretch: 110%;
  font-size: clamp(80px, 16vw, 250px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.18);
  text-transform: uppercase;
  white-space: nowrap;
  padding: 20px 0 8px;
}
.ftr-word .w em { font-style: normal; font-size: 0.3em; vertical-align: super; }
.ftr-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(28px, 4vw, 64px);
  padding: clamp(48px, 6vw, 80px) 0 clamp(36px, 4vw, 60px);
}
.ftr-brand img { height: 50px; width: auto; margin-bottom: 20px; }
.ftr-brand p { font-size: 14px; color: rgba(255, 255, 255, 0.5); max-width: 34ch; }
.ftr-social { display: flex; gap: 10px; margin-top: 22px; }
.ftr-social a {
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  color: rgba(255, 255, 255, 0.6);
  transition: 0.3s var(--ease);
}
.ftr-social a:hover { background: var(--indigo-hot); border-color: var(--indigo-hot); color: #fff; }
.ftr-social svg { width: 16px; height: 16px; }
.ftr-grid h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #b9b7ff;
  margin-bottom: 18px;
}
.ftr-grid ul li { padding: 5px 0; }
.ftr-grid ul a { font-size: 14px; color: rgba(255, 255, 255, 0.6); transition: color 0.25s; }
.ftr-grid ul a:hover { color: #fff; }
.ftr-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 24px;
  border-top: 1px solid var(--line-dark);
  padding: 22px 0 30px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.4);
}
.ftr-bottom a:hover { color: #fff; }

/* ── About: mission / vision ─────────────────────────────── */
.mv {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--r);
}
.mv > div { padding: clamp(28px, 3.6vw, 48px); }
.mv .m { border-right: 1px solid var(--line); }
.mv h3 {
  font-weight: 800;
  font-stretch: 110%;
  text-transform: uppercase;
  font-size: clamp(19px, 2.2vw, 26px);
  margin: 16px 0 12px;
}
.mv p { font-size: 14.5px; color: var(--mute); }

/* ── Brand page ──────────────────────────────────────────── */
.logo-cell {
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(32px, 5vw, 64px);
  border: 1px solid var(--line);
  margin: -1px 0 0 -1px;
  min-height: 220px;
  background: var(--panel);
}
.logo-cell img { max-height: 90px; width: auto; }
.logo-cell .note {
  position: absolute;
  bottom: 12px; left: 14px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute-2);
}
.logo-cell.dark { background: var(--ink-deep); }
.swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
}
.swatch {
  min-height: 150px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 4px;
}
.swatch .sw-n { font-weight: 800; font-stretch: 110%; text-transform: uppercase; font-size: 15px; }
.swatch .sw-h { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.7; }
.type-spec { border-top: 1px solid var(--ink); }
.type-row {
  display: grid;
  grid-template-columns: minmax(220px, 300px) 1fr;
  gap: clamp(20px, 4vw, 56px);
  align-items: center;
  padding: clamp(24px, 3vw, 40px) 0;
  border-bottom: 1px solid var(--line);
}

/* ── Legal pages ─────────────────────────────────────────── */
.legal-doc { max-width: 820px; }
.legal-doc .l-updated {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute-2);
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 34px;
}
.legal-doc h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-weight: 800;
  font-stretch: 110%;
  text-transform: uppercase;
  font-size: clamp(18px, 2vw, 24px);
  margin: 44px 0 16px;
}
.legal-doc h2 .n {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--indigo-hot);
  letter-spacing: 0.1em;
}
.legal-doc p { margin-bottom: 16px; font-size: 15px; color: var(--mute); }
.legal-doc strong { color: var(--ink); }
.legal-doc ul { margin: 0 0 16px; }
.legal-doc ul li {
  position: relative;
  padding: 6px 0 6px 26px;
  font-size: 15px;
  color: var(--mute);
}
.legal-doc ul li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--indigo-hot);
  font-family: var(--font-mono);
}
.legal-doc a { color: var(--indigo-hot); text-decoration: underline; text-underline-offset: 3px; }

/* ════════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════════ */

/* ── ≤1100px — compact desktop / landscape tablet ────────── */
@media (max-width: 1100px) {
  .hdr-nav a { padding: 0 14px; }
  .tile-grid { grid-template-columns: repeat(2, 1fr); }
  .ftr-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .ftr-grid > div:last-child { grid-column: 2 / -1; }
}

/* ── ≤860px — tablet portrait / large phone ──────────────── */
@media (max-width: 860px) {
  .hdr-nav, .hdr-cta .btn { display: none; }
  .burger { display: flex; }
  .microbar .wrap span:first-child { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .schematic { max-width: 480px; }
  .stat-rail { grid-template-columns: repeat(2, 1fr); border-top: none; }
  .stat-rail .cell {
    border-top: 1px solid var(--ink);
    padding: 20px 16px 24px 0;
  }
  .stat-rail .cell:nth-child(even) { border-right: none; }
  .stat-rail .cell + .cell { padding-left: 0; }
  .stat-rail .cell:nth-child(even) { padding-left: 16px; }
  .index-row {
    grid-template-columns: 48px 1fr 46px;
    grid-template-areas: 'no title go' 'desc desc desc';
    row-gap: 10px;
    align-items: start;
  }
  .index-row .no { grid-area: no; padding-top: 6px; }
  .index-row h3 { grid-area: title; }
  .index-row p { grid-area: desc; max-width: none; }
  .index-row .go { grid-area: go; }
  .index-row:hover { padding-left: 0; }
  .spec-list { grid-template-columns: 1fr; }
  .spec { padding: 26px 0; }
  .spec:nth-child(odd) { border-right: none; }
  .spec:nth-child(even) { padding-left: 0; }
  .detail { grid-template-columns: 1fr; gap: 28px; }
  .detail .d-visual, .detail.flip .d-visual { order: 2; }
  .d-visual { min-height: 280px; }
  .proc-card { flex-basis: min(80vw, 340px); min-height: 270px; }
  .contact-grid { grid-template-columns: 1fr; }
  .mv { grid-template-columns: 1fr; }
  .mv .m { border-right: none; border-bottom: 1px solid var(--line); }
  .type-row { grid-template-columns: 1fr; gap: 14px; align-items: start; }
  .swatches { grid-template-columns: repeat(2, 1fr); }
  .logo-cell { min-height: 170px; }
  .ftr-grid { grid-template-columns: 1fr 1fr; }
  .ftr-grid .ftr-brand { grid-column: 1 / -1; }
  .ftr-grid > div:last-child { grid-column: auto; }
  .faq-a-in { padding-left: 0; }
  .page-hero .wm { width: 200px; opacity: 0.04; }
}

/* ── ≤640px — phone ──────────────────────────────────────── */
@media (max-width: 640px) {
  body { font-size: 15px; }
  .microbar .wrap { justify-content: center; }
  .hdr .wrap { height: 64px; }
  .hdr-logo img { height: 36px; }
  .f-grid { grid-template-columns: 1fr; }
  .tile-grid { grid-template-columns: 1fr; }
  .tile { min-height: 0; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .cta-band .btn { width: 100%; justify-content: center; }
  .faq-q { grid-template-columns: 1fr 40px; }
  .faq-q .f-no { display: none; }
  .story-text { font-size: clamp(20px, 6.4vw, 30px); }
  .ftr-bottom { flex-direction: column; align-items: flex-start; }
  .d-metrics { gap: 8px; }
  .d-metrics div { padding: 10px 14px; flex: 1 1 calc(50% - 8px); }
}

/* ── ≤420px — small phone ────────────────────────────────── */
@media (max-width: 420px) {
  .stat-rail { grid-template-columns: 1fr; }
  .stat-rail .cell, .stat-rail .cell:nth-child(even) { border-right: none; padding-left: 0; }
  .swatches { grid-template-columns: 1fr; }
  .ftr-grid { grid-template-columns: 1fr; }
  .hdr-logo .lockup i { display: none; }
}

/* ── Reduced motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .snd-toggle .bars i { animation: none; }
}