:root {
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --ink: #0b1220;
  --text: #3a4256;
  --muted: #6b7489;
  --line: rgba(11, 18, 32, 0.08);
  --card: #ffffff;
  --accent: #4f7cff;
  --accent-2: #22c3a6;
  --hero-bg: #070b16;
  --hero-text: #e8ecf6;
  --hero-muted: #9aa5bf;
  --radius: 16px;
  --max: 1120px;
  --shadow: 0 1px 2px rgba(11, 18, 32, 0.04), 0 8px 24px rgba(11, 18, 32, 0.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0f1c;
    --bg-soft: #0e1424;
    --ink: #eef1f8;
    --text: #c3cadb;
    --muted: #8e98b0;
    --line: rgba(255, 255, 255, 0.08);
    --card: #111829;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 10;
  background: rgba(7, 11, 22, 0.72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: #fff; text-decoration: none; }
.brand .mark {
  width: 30px; height: 35px; flex: none; overflow: visible;
  filter: drop-shadow(0 0 10px rgba(63, 157, 255, 0.45)) drop-shadow(0 4px 10px rgba(52, 230, 220, 0.18));
}
.brand .word {
  font-family: "Segoe UI Variable Display", "Segoe UI", "Nunito", ui-rounded, "SF Pro Rounded", "Helvetica Neue", Arial, sans-serif;
  font-weight: 700; font-size: 20px; letter-spacing: -0.012em; line-height: 1; white-space: nowrap;
}
.brand .grad-word {
  background: linear-gradient(90deg, #5b8cff 0%, #4fb6f0 50%, #45e3cf 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
nav { display: flex; align-items: center; gap: 26px; }
nav a { text-decoration: none; color: var(--hero-muted); font-size: 15px; transition: color .15s; }
nav a:hover { color: #fff; }
nav a.pill { color: #fff; padding: 8px 16px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.16); }
nav a.pill:hover { background: rgba(255, 255, 255, 0.08); }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  background: var(--hero-bg); color: var(--hero-text);
  padding: 120px 0 128px; margin-top: -66px; padding-top: 186px;
}
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 140%;
  background:
    radial-gradient(40% 50% at 18% 30%, rgba(79, 124, 255, 0.35), transparent 70%),
    radial-gradient(35% 45% at 82% 20%, rgba(34, 195, 166, 0.22), transparent 70%),
    radial-gradient(30% 40% at 60% 90%, rgba(124, 92, 255, 0.18), transparent 70%);
  filter: blur(10px); pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 60% at 50% 40%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, #000 30%, transparent 80%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.04em;
  color: var(--hero-text); padding: 6px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 26px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); }
.hero h1 {
  font-size: clamp(38px, 6vw, 68px); line-height: 1.04; letter-spacing: -0.035em;
  margin: 0 0 24px; max-width: 900px; font-weight: 750; color: #fff;
}
.hero h1 .grad {
  background: linear-gradient(90deg, #8fb0ff, #6fe3cc);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { font-size: clamp(17px, 2vw, 20px); color: var(--hero-muted); margin: 0 0 40px; max-width: 640px; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none; padding: 14px 24px; border-radius: 12px; font-weight: 600; font-size: 16px;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn.primary { background: #fff; color: #0b1220; box-shadow: 0 8px 30px rgba(79, 124, 255, 0.35); }
.btn.primary:hover { transform: translateY(-1px); box-shadow: 0 12px 36px rgba(79, 124, 255, 0.45); }
.btn.ghost { color: #fff; border: 1px solid rgba(255, 255, 255, 0.18); }
.btn.ghost:hover { background: rgba(255, 255, 255, 0.07); }
.regions { display: flex; gap: 28px; margin-top: 64px; color: var(--hero-muted); font-size: 14px; flex-wrap: wrap; }
.regions span { display: inline-flex; align-items: center; gap: 8px; }
.regions b { color: #fff; font-weight: 600; }

/* Sections */
section { padding: 112px 0; scroll-margin-top: 66px; }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
h2 { font-size: clamp(30px, 4vw, 44px); line-height: 1.1; color: var(--ink); margin: 0 0 16px; letter-spacing: -0.03em; font-weight: 720; }
.lead { color: var(--muted); margin: 0 0 56px; max-width: 620px; font-size: 18px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px;
  background: var(--card); box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-3px); border-color: rgba(79, 124, 255, 0.35); }
.icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 22px;
  background: linear-gradient(135deg, rgba(79, 124, 255, 0.14), rgba(34, 195, 166, 0.14)); color: var(--accent);
}
.icon svg { width: 22px; height: 22px; }
.card .tag { font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.card h3 { margin: 6px 0 10px; font-size: 20px; color: var(--ink); letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }

.alt { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
ol.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
ol.steps li { counter-increment: s; padding: 32px 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
ol.steps li::before {
  content: "0" counter(s); display: block; font-size: 14px; font-weight: 700; letter-spacing: 0.08em;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 18px;
}
ol.steps h3 { margin: 0 0 8px; font-size: 20px; color: var(--ink); letter-spacing: -0.01em; }
ol.steps p { margin: 0; color: var(--muted); font-size: 16px; }

.note { margin-top: 28px; color: var(--muted); font-size: 15px; display: flex; gap: 10px; align-items: center; }
.note svg { width: 18px; height: 18px; color: var(--accent-2); flex: none; }

/* Contact band */
.cta {
  position: relative; overflow: hidden; border-radius: 24px; padding: 64px 56px;
  background: var(--hero-bg); color: var(--hero-text);
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(50% 80% at 0% 0%, rgba(79, 124, 255, 0.35), transparent 70%),
              radial-gradient(40% 70% at 100% 100%, rgba(34, 195, 166, 0.25), transparent 70%);
  pointer-events: none;
}
.cta > * { position: relative; }
.cta h2 { color: #fff; margin-bottom: 12px; }
.cta p { color: var(--hero-muted); margin: 0 0 28px; font-size: 18px; }
.cta address { font-style: normal; color: var(--hero-muted); font-size: 15px; line-height: 1.8; padding-left: 28px; border-left: 1px solid rgba(255, 255, 255, 0.12); }
.cta address b { color: #fff; font-weight: 600; }

/* Footer */
footer.site { padding: 36px 0 48px; font-size: 14px; color: var(--muted); }
footer.site .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer.site a { text-decoration: none; }
footer.site a:hover { color: var(--ink); }

/* Document pages */
.doc { padding: 72px 0 96px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(32px, 4vw, 44px); color: var(--ink); margin: 0 0 8px; letter-spacing: -0.03em; }
.doc h2 { font-size: 22px; margin: 44px 0 10px; }
.doc .wrap > h2:first-child { margin-top: 0; }
.doc a { color: var(--accent); }
.doc .updated { color: var(--muted); font-size: 15px; margin-bottom: 30px; }
.doc-hero { background: var(--hero-bg); margin-top: -66px; padding: 132px 0 56px; color: var(--hero-text); }
.doc-hero h1 { color: #fff; }
.doc-hero .updated { color: var(--hero-muted); margin: 0; }

@media (max-width: 860px) {
  .grid, ol.steps { grid-template-columns: 1fr; }
  .cta { grid-template-columns: 1fr; padding: 44px 28px; }
  .cta address { padding-left: 0; border-left: 0; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.12); }
  section { padding: 80px 0; }
  nav a:not(.pill) { display: none; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .hero { padding-top: 140px; padding-bottom: 88px; }
  .regions { margin-top: 44px; gap: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}