/* ==========================================================================
   ADLA — corporate site styles
   ========================================================================== */

:root {
  --ink: #0b1220;
  --ink-2: #334155;
  --ink-3: #64748b;
  --line: #e2e8f0;
  --line-2: #eef2f7;
  --bg: #ffffff;
  --bg-soft: #f6f8fc;
  --navy: #070f24;
  --navy-2: #0d1a3a;
  --primary: #2f6bff;
  --primary-600: #1f55e0;
  --cyan: #22d3ee;
  --violet: #7c5cff;
  --grad: linear-gradient(120deg, #2f6bff 0%, #7c5cff 55%, #22d3ee 100%);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(11, 18, 32, .06), 0 1px 1px rgba(11, 18, 32, .04);
  --shadow: 0 10px 30px -12px rgba(11, 18, 32, .18), 0 2px 6px rgba(11, 18, 32, .05);
  --shadow-lg: 0 30px 60px -20px rgba(7, 15, 36, .35);
  --container: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --header-h: 72px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 8px); }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -0.02em; font-weight: 700; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 200;
  background: var(--primary); color: #fff; padding: 10px 16px; border-radius: 8px;
}
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 15px; white-space: nowrap;
  transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.btn svg { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 24px -8px rgba(47, 107, 255, .65); }
.btn-primary:hover { background: var(--primary-600); transform: translateY(-1px); }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .04); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, .5); background: rgba(255, 255, 255, .08); }
.btn-outline { color: var(--ink); border-color: var(--line); background: #fff; }
.btn-outline:hover { border-color: var(--ink); }
.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(7, 15, 36, .82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: rgba(255, 255, 255, .08);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 24px; }

.logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; letter-spacing: .08em; font-size: 19px; }
.logo svg { width: 34px; height: 34px; }

.nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list a {
  display: block; padding: 8px 12px; border-radius: 8px; color: rgba(255, 255, 255, .78);
  font-size: 14.5px; font-weight: 500; transition: color .2s, background .2s;
}
.nav-list a:hover, .nav-list a.is-active { color: #fff; background: rgba(255, 255, 255, .07); }

.header-actions { display: flex; align-items: center; gap: 12px; }

.lang { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 12px;
  border-radius: 999px; border: 1px solid rgba(255, 255, 255, .18); background: transparent;
  color: #fff; font-size: 13px; font-weight: 600; letter-spacing: .04em;
}
.lang-btn svg { width: 16px; height: 16px; opacity: .8; }
.lang-btn:hover { border-color: rgba(255, 255, 255, .45); }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 170px; padding: 6px;
  background: #fff; border-radius: 14px; box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .2s, transform .2s var(--ease), visibility .2s;
}
.lang.is-open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-menu a {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 9px; font-size: 14px; color: var(--ink-2); font-weight: 500;
}
.lang-menu a span { font-size: 12px; color: var(--ink-3); font-weight: 600; letter-spacing: .05em; }
.lang-menu a:hover { background: var(--bg-soft); color: var(--ink); }
.lang-menu a[aria-current="true"] { color: var(--primary); background: rgba(47, 107, 255, .07); }

.menu-toggle {
  display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, .18);
  background: transparent; color: #fff; align-items: center; justify-content: center;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; position: relative;
  transition: transform .3s var(--ease), background .2s;
}
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }
.nav-open .menu-toggle span { background: transparent; }
.nav-open .menu-toggle span::before { transform: translateY(6px) rotate(45deg); }
.nav-open .menu-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff; background: var(--navy);
  padding: calc(var(--header-h) + clamp(56px, 9vw, 120px)) 0 clamp(72px, 9vw, 120px);
  isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 30%, transparent 75%);
}
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .55; animation: float 18s ease-in-out infinite; }
.orb-1 { width: 520px; height: 520px; background: #2f6bff; top: -160px; right: -80px; }
.orb-2 { width: 420px; height: 420px; background: #7c5cff; bottom: -200px; left: -120px; opacity: .35; animation-delay: -6s; }
.orb-3 { width: 300px; height: 300px; background: #22d3ee; top: 30%; right: 30%; opacity: .18; animation-delay: -12s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -24px) scale(1.06); }
}

.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 72px); align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--primary);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }
.hero .eyebrow, .dark .eyebrow { color: var(--cyan); }

.pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 6px; border-radius: 999px;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12);
  font-size: 13.5px; color: rgba(255, 255, 255, .85); margin-bottom: 26px;
}
.pill b { background: var(--grad); color: #fff; font-size: 11px; letter-spacing: .08em; padding: 4px 10px; border-radius: 999px; font-weight: 700; }

.hero h1 { font-size: clamp(38px, 6vw, 68px); font-weight: 800; letter-spacing: -0.035em; line-height: 1.04; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { margin-top: 22px; font-size: clamp(16px, 1.6vw, 19px); color: rgba(255, 255, 255, .72); max-width: 580px; }
.hero-ctas { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero-trust { margin-top: 44px; display: flex; flex-wrap: wrap; gap: 10px 26px; color: rgba(255, 255, 255, .62); font-size: 14px; }
.hero-trust li { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust svg { width: 18px; height: 18px; color: var(--cyan); flex: none; }

/* Hero visual */
.hero-visual { position: relative; min-height: 440px; }
.panel {
  position: absolute; border-radius: 16px; background: rgba(13, 26, 58, .72);
  border: 1px solid rgba(255, 255, 255, .1); box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .6);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.panel-code { inset: 0 8% auto 0; padding: 0 0 18px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
.panel-bar { display: flex; align-items: center; gap: 7px; padding: 14px 16px; border-bottom: 1px solid rgba(255, 255, 255, .07); }
.panel-bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, .18); }
.panel-bar i:nth-child(1) { background: #ff5f57; } .panel-bar i:nth-child(2) { background: #febc2e; } .panel-bar i:nth-child(3) { background: #28c840; }
.panel-bar em { margin-left: 10px; font-style: normal; font-size: 12px; color: rgba(255, 255, 255, .45); }
.code { padding: 16px 20px 0; line-height: 1.85; color: rgba(255, 255, 255, .78); white-space: pre; overflow: hidden; }
.code .k { color: #c4b5fd; } .code .s { color: #67e8f9; } .code .f { color: #93c5fd; } .code .c { color: rgba(255, 255, 255, .35); } .code .n { color: #fda4af; }
.panel-metric { right: 0; top: 54%; width: 58%; padding: 20px; }
.metric-head { display: flex; justify-content: space-between; align-items: baseline; font-size: 12.5px; color: rgba(255, 255, 255, .55); }
.metric-head strong { font-size: 26px; color: #fff; letter-spacing: -0.02em; }
.metric-head .up { color: #4ade80; font-weight: 600; }
.bars { display: flex; align-items: flex-end; gap: 7px; height: 76px; margin-top: 16px; }
.bars span { flex: 1; border-radius: 5px 5px 2px 2px; background: linear-gradient(180deg, #7c5cff, #2f6bff); opacity: .85; transform-origin: bottom; animation: grow 1.4s var(--ease) both; }
.bars span:nth-child(odd) { background: linear-gradient(180deg, #22d3ee, #2f6bff); }
.bars span:nth-child(1) { height: 34%; } .bars span:nth-child(2) { height: 48%; animation-delay: .05s; }
.bars span:nth-child(3) { height: 40%; animation-delay: .1s; } .bars span:nth-child(4) { height: 62%; animation-delay: .15s; }
.bars span:nth-child(5) { height: 55%; animation-delay: .2s; } .bars span:nth-child(6) { height: 72%; animation-delay: .25s; }
.bars span:nth-child(7) { height: 66%; animation-delay: .3s; } .bars span:nth-child(8) { height: 84%; animation-delay: .35s; }
.bars span:nth-child(9) { height: 78%; animation-delay: .4s; } .bars span:nth-child(10) { height: 100%; animation-delay: .45s; }
@keyframes grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.panel-status { left: 6%; bottom: 0; padding: 14px 18px; display: flex; align-items: center; gap: 12px; font-size: 13.5px; }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 0 rgba(74, 222, 128, .6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(74, 222, 128, 0); } 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); } }
.panel-status small { display: block; color: rgba(255, 255, 255, .5); font-size: 12px; }

/* ---------- Pillars band ---------- */
.pillars { background: var(--navy); color: #fff; border-top: 1px solid rgba(255, 255, 255, .07); }
.pillars-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.pillar { padding: 34px 28px; border-left: 1px solid rgba(255, 255, 255, .07); }
.pillar:first-child { border-left: 0; padding-left: 0; }
.pillar strong { display: block; font-size: clamp(22px, 2.3vw, 30px); font-weight: 800; letter-spacing: -0.03em; }
.pillar span { display: block; margin-top: 4px; color: rgba(255, 255, 255, .6); font-size: 14.5px; }

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 10vw, 128px) 0; position: relative; }
.section-soft { background: var(--bg-soft); }
.dark { background: var(--navy); color: #fff; }
.section-head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }
.section-head h2 { margin-top: 14px; font-size: clamp(30px, 4.2vw, 48px); font-weight: 800; letter-spacing: -0.03em; }
.section-head p { margin-top: 18px; font-size: clamp(16px, 1.4vw, 18px); color: var(--ink-3); }
.dark .section-head p { color: rgba(255, 255, 255, .65); }
.split-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; max-width: none; }
.split-head > div { max-width: 700px; }

/* Services */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  position: relative; padding: 32px 28px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
  overflow: hidden;
}
.card::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--grad);
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card:hover::after { transform: scaleX(1); }
.icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(47, 107, 255, .1), rgba(124, 92, 255, .12)); color: var(--primary);
}
.icon svg { width: 26px; height: 26px; }
.card h3 { margin-top: 22px; font-size: 20px; }
.card p { margin-top: 10px; color: var(--ink-3); font-size: 15.5px; }
.card ul { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 6px; }
.card li { font-size: 12.5px; font-weight: 500; color: var(--ink-2); background: var(--bg-soft); border: 1px solid var(--line-2); padding: 4px 10px; border-radius: 999px; }

/* Approach / process */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; position: relative; }
.step { position: relative; padding: 28px 24px; border-radius: var(--radius); background: rgba(255, 255, 255, .03); border: 1px solid rgba(255, 255, 255, .08); transition: background .3s, border-color .3s; }
.step:hover { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .16); }
.step-num { font-size: 13px; font-weight: 700; letter-spacing: .1em; color: var(--cyan); }
.step h3 { margin-top: 18px; font-size: 21px; }
.step p { margin-top: 10px; font-size: 15px; color: rgba(255, 255, 255, .62); }
.step-line { height: 2px; margin-top: 22px; background: rgba(255, 255, 255, .08); border-radius: 2px; overflow: hidden; }
.step-line::before { content: ""; display: block; height: 100%; width: 0; background: var(--grad); transition: width 1.2s var(--ease); }
.step.in .step-line::before { width: 100%; }
.step:nth-child(2) .step-line::before { transition-delay: .2s; }
.step:nth-child(3) .step-line::before { transition-delay: .4s; }
.step:nth-child(4) .step-line::before { transition-delay: .6s; }

/* Industries */
.industries { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.industry { background: #fff; padding: 30px 28px; display: flex; gap: 18px; align-items: flex-start; transition: background .25s; }
.industry:hover { background: var(--bg-soft); }
.industry .icon { flex: none; width: 46px; height: 46px; border-radius: 12px; }
.industry .icon svg { width: 22px; height: 22px; }
.industry h3 { font-size: 18px; }
.industry p { margin-top: 6px; font-size: 14.5px; color: var(--ink-3); }

/* Technology */
.tech { display: grid; grid-template-columns: 300px 1fr; gap: 20px; align-items: start; }
.tech-tabs { display: flex; flex-direction: column; gap: 6px; position: sticky; top: calc(var(--header-h) + 24px); }
.tech-tab {
  text-align: left; padding: 16px 18px; border-radius: 12px; border: 1px solid transparent; background: transparent;
  color: var(--ink-2); font-weight: 600; font-size: 15.5px; display: flex; justify-content: space-between; align-items: center;
  transition: background .2s, border-color .2s, color .2s;
}
.tech-tab svg { width: 18px; height: 18px; opacity: 0; transform: translateX(-4px); transition: .25s var(--ease); }
.tech-tab:hover { background: #fff; }
.tech-tab[aria-selected="true"] { background: #fff; border-color: var(--line); color: var(--primary); box-shadow: var(--shadow-sm); }
.tech-tab[aria-selected="true"] svg { opacity: 1; transform: none; }
.tech-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 3vw, 40px); min-height: 100%; }
.tech-panel[hidden] { display: none; }
.tech-panel h3 { font-size: 22px; }
.tech-panel > p { margin-top: 10px; color: var(--ink-3); max-width: 620px; }
.chips { margin-top: 26px; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.chip { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); font-size: 14.5px; font-weight: 500; color: var(--ink-2); background: var(--bg-soft); }
.chip::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--grad); flex: none; }

/* Engagement models */
.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.model { padding: 34px 30px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; display: flex; flex-direction: column; transition: box-shadow .3s, transform .3s var(--ease); }
.model:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.model.featured { background: var(--navy); color: #fff; border-color: var(--navy); position: relative; overflow: hidden; }
.model.featured::before { content: ""; position: absolute; width: 320px; height: 320px; right: -120px; top: -140px; background: radial-gradient(circle, rgba(47, 107, 255, .55), transparent 65%); }
.model-tag { align-self: flex-start; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; background: var(--bg-soft); color: var(--ink-2); position: relative; }
.model.featured .model-tag { background: rgba(255, 255, 255, .1); color: var(--cyan); }
.model h3 { margin-top: 20px; font-size: 22px; position: relative; }
.model > p { margin-top: 10px; color: var(--ink-3); font-size: 15.5px; position: relative; }
.model.featured > p { color: rgba(255, 255, 255, .68); }
.checks { margin-top: 22px; display: grid; gap: 10px; position: relative; flex: 1; }
.checks li { display: flex; gap: 10px; font-size: 15px; color: var(--ink-2); }
.model.featured .checks li { color: rgba(255, 255, 255, .85); }
.checks svg { width: 20px; height: 20px; flex: none; color: var(--primary); margin-top: 2px; }
.model.featured .checks svg { color: var(--cyan); }
.model .btn { margin-top: 28px; position: relative; align-self: flex-start; }

/* Why / company */
.why { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.why-visual { position: relative; border-radius: 24px; overflow: hidden; aspect-ratio: 4 / 4.2; background: var(--navy); isolation: isolate; }
.why-visual::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(circle at 25% 20%, rgba(47, 107, 255, .7), transparent 45%),
    radial-gradient(circle at 80% 75%, rgba(124, 92, 255, .6), transparent 45%),
    radial-gradient(circle at 70% 20%, rgba(34, 211, 238, .35), transparent 35%);
}
.why-visual svg.mesh { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.why-quote { position: absolute; left: 24px; right: 24px; bottom: 24px; padding: 24px; border-radius: 16px; background: rgba(7, 15, 36, .6); border: 1px solid rgba(255, 255, 255, .12); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); color: #fff; }
.why-quote p { font-size: 18px; font-weight: 600; line-height: 1.45; letter-spacing: -0.01em; }
.why-quote span { display: block; margin-top: 12px; font-size: 13px; color: rgba(255, 255, 255, .6); }
.values { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 32px; margin-top: 36px; }
.value h3 { font-size: 17px; display: flex; align-items: center; gap: 10px; }
.value h3 svg { width: 22px; height: 22px; color: var(--primary); flex: none; }
.value p { margin-top: 8px; font-size: 15px; color: var(--ink-3); }

/* CTA band */
.cta-band { padding: 0 0 clamp(72px, 10vw, 128px); }
.cta-box {
  position: relative; overflow: hidden; border-radius: 28px; padding: clamp(40px, 6vw, 72px);
  background: var(--navy); color: #fff; display: grid; grid-template-columns: 1.4fr auto; gap: 32px; align-items: center; isolation: isolate;
}
.cta-box::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse at 100% 0%, rgba(47, 107, 255, .65), transparent 55%), radial-gradient(ellipse at 0% 100%, rgba(124, 92, 255, .45), transparent 50%); }
.cta-box h2 { font-size: clamp(28px, 3.8vw, 44px); font-weight: 800; letter-spacing: -0.03em; }
.cta-box p { margin-top: 14px; color: rgba(255, 255, 255, .7); font-size: 17px; max-width: 560px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Contact */
.contact { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.contact-info .section-head { margin-bottom: 32px; }
.contact-list { display: grid; gap: 14px; }
.contact-item { display: flex; gap: 16px; align-items: center; padding: 18px; border-radius: 14px; border: 1px solid var(--line); background: #fff; transition: border-color .2s, box-shadow .2s; }
a.contact-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.contact-item .icon { width: 44px; height: 44px; border-radius: 12px; flex: none; }
.contact-item .icon svg { width: 20px; height: 20px; }
.contact-item small { display: block; font-size: 12.5px; color: var(--ink-3); font-weight: 500; }
.contact-item strong { font-size: 15.5px; font-weight: 600; word-break: break-word; }

.contact-card {
  position: relative; overflow: hidden; isolation: isolate; border-radius: 24px; padding: clamp(28px, 4.5vw, 48px);
  background: var(--navy); color: #fff; box-shadow: var(--shadow-lg);
}
.contact-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(ellipse at 100% 0%, rgba(47, 107, 255, .6), transparent 55%), radial-gradient(ellipse at 0% 100%, rgba(124, 92, 255, .4), transparent 50%);
}
.contact-card::after {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 40px 40px; mask-image: linear-gradient(180deg, #000, transparent 80%); -webkit-mask-image: linear-gradient(180deg, #000, transparent 80%);
}
.contact-card-icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--grad); margin-bottom: 28px; }
.contact-card-icon svg { width: 26px; height: 26px; }
.contact-card small { display: block; font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); }
.contact-email {
  display: inline-block; margin-top: 8px; font-size: clamp(24px, 3.6vw, 40px); font-weight: 800; letter-spacing: -0.03em;
  line-height: 1.15; word-break: break-word; background: linear-gradient(90deg, #fff, #c7d6ff); -webkit-background-clip: text; background-clip: text; color: transparent;
  transition: opacity .2s;
}
.contact-email:hover { opacity: .85; }
.contact-card h3 { margin-top: 32px; padding-top: 28px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: 20px; }
.contact-card p { margin-top: 10px; color: rgba(255, 255, 255, .7); font-size: 16px; max-width: 520px; }
.contact-actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; }
.contact-actions .btn-ghost.is-copied { border-color: #4ade80; color: #4ade80; }

/* Footer */
.site-footer { background: var(--navy); color: rgba(255, 255, 255, .65); padding: 72px 0 32px; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; }
.footer-brand p { margin-top: 18px; max-width: 320px; }
.site-footer h4 { color: #fff; font-size: 14px; font-weight: 600; letter-spacing: .02em; margin-bottom: 16px; }
.site-footer li + li { margin-top: 10px; }
.site-footer a:hover { color: #fff; }
.footer-bottom { margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .08); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 13.5px; }
.footer-langs { display: flex; gap: 16px; }
.footer-langs a[aria-current="true"] { color: #fff; }

/* Back to top */
.to-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 46px; height: 46px; border-radius: 50%;
  border: 0; background: var(--primary); color: #fff; display: grid; place-items: center; box-shadow: 0 10px 24px -8px rgba(47, 107, 255, .7);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: .3s var(--ease);
}
.to-top svg { width: 20px; height: 20px; }
.to-top.show { opacity: 1; visibility: visible; transform: none; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; } .reveal-d2 { transition-delay: .16s; } .reveal-d3 { transition-delay: .24s; }
.no-js .reveal { opacity: 1; transform: none; }

/* 404 */
.notfound { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 120px var(--gutter) 80px; }
.notfound h1 { font-size: clamp(72px, 14vw, 160px); font-weight: 800; letter-spacing: -0.05em; }
.notfound p { color: rgba(255, 255, 255, .7); font-size: 18px; margin: 12px auto 32px; max-width: 480px; }
.notfound .langs { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1100px) {
  .nav-list a { padding: 8px 9px; font-size: 14px; }
  .header-cta { display: none; }
}

@media (max-width: 980px) {
  .menu-toggle { display: inline-flex; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; margin: 0; background: var(--navy);
    border-top: 1px solid rgba(255, 255, 255, .08); padding: 16px var(--gutter) 28px;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: .3s var(--ease);
  }
  .nav-open .nav { opacity: 1; visibility: visible; transform: none; }
  .nav-open .site-header { background: var(--navy); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-list a { padding: 14px 12px; font-size: 17px; border-bottom: 1px solid rgba(255, 255, 255, .06); border-radius: 0; }
  .nav .btn { display: flex; margin-top: 20px; width: 100%; }
  .header-actions { margin-left: auto; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 400px; max-width: 560px; width: 100%; }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .pillar { border-left: 0; padding: 26px 0; border-top: 1px solid rgba(255, 255, 255, .07); }
  .pillar:nth-child(-n+2) { border-top: 0; }
  .pillar:nth-child(even) { padding-left: 24px; border-left: 1px solid rgba(255, 255, 255, .07); }
  .cards, .models { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .industries { grid-template-columns: repeat(2, 1fr); }
  .tech { grid-template-columns: 1fr; }
  .tech-tabs { position: static; flex-direction: row; overflow-x: auto; scrollbar-width: none; margin: 0 calc(var(--gutter) * -1); padding: 0 var(--gutter) 4px; }
  .tech-tabs::-webkit-scrollbar { display: none; }
  .tech-tab { flex: none; white-space: nowrap; padding: 12px 16px; font-size: 14.5px; }
  .tech-tab svg { display: none; }
  .why, .contact { grid-template-columns: 1fr; }
  .why-visual { aspect-ratio: 16 / 11; }
  .cta-box { grid-template-columns: 1fr; }
  .split-head { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (min-width: 981px) { .nav .btn { display: none; } }

@media (max-width: 640px) {
  :root { --header-h: 64px; }
  .logo { font-size: 17px; } .logo svg { width: 30px; height: 30px; }
  .lang-btn { padding: 0 10px; }
  .hero-ctas .btn { flex: 1 1 100%; }
  .hero-visual { min-height: 360px; }
  .panel-code { right: 0; font-size: 11.5px; }
  .panel-metric { width: 74%; top: 52%; }
  .panel-status { left: 0; }
  .cards, .models, .steps, .industries, .values { grid-template-columns: 1fr; }
  .industry { padding: 24px 20px; }
  .contact-actions .btn { flex: 1 1 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .why-quote { left: 14px; right: 14px; bottom: 14px; padding: 18px; }
  .why-quote p { font-size: 16px; }
  .why-visual { aspect-ratio: 4 / 4; }
  .chips { grid-template-columns: 1fr 1fr; gap: 8px; }
  .chip { padding: 10px 12px; font-size: 13.5px; }
  .cta-actions .btn { flex: 1 1 100%; }
}

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