:root {
  --blue-950: #07204a;
  --blue-900: #0b2a5b;
  --blue-800: #0f3a7d;
  --blue-700: #1450b8;
  --blue-600: #1d63e0;
  --blue-500: #3b82f6;
  --blue-200: #c4d8fb;
  --blue-100: #e3edfd;
  --blue-50: #f3f7fe;
  --white: #ffffff;
  --ink: #0f1b2d;
  --muted: #5b6b82;
  --line: #e2e8f2;
  --green: #12a150;
  --green-bg: #e4f6ec;
  --amber: #c27a06;
  --amber-bg: #fdf3e1;
  --red: #d93b3b;
  --red-bg: #fdecec;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(15, 27, 45, .04), 0 8px 24px rgba(15, 27, 45, .06);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
img, svg { display: block; }
.icon { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- Shared bits ---------- */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border-radius: 10px; border: 1px solid transparent;
  font-weight: 600; font-size: 14px; transition: background .15s, border-color .15s, color .15s, transform .15s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--blue-600); color: #fff; }
.btn-primary:hover { background: var(--blue-700); }
.btn-ghost { background: var(--white); border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--blue-200); color: var(--blue-700); }
.btn-white { background: #fff; color: var(--blue-700); }
.btn-white:hover { background: var(--blue-50); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #1c2c45; }
.btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 14px 22px; font-size: 15px; }

.lang-switch {
  display: inline-flex; align-items: center; gap: 2px; padding: 3px;
  border: 1px solid var(--line); border-radius: 9px; background: var(--white);
}
.lang-switch button {
  border: 0; background: transparent; padding: 5px 9px; border-radius: 6px;
  font-size: 12px; font-weight: 600; color: var(--muted);
}
.lang-switch button.active { background: var(--blue-600); color: #fff; }
.on-dark .lang-switch { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); }
.on-dark .lang-switch button { color: #c9dbfa; }
.on-dark .lang-switch button.active { background: #fff; color: var(--blue-700); }

.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}
.b-green { background: var(--green-bg); color: var(--green); }
.b-amber { background: var(--amber-bg); color: var(--amber); }
.b-red { background: var(--red-bg); color: var(--red); }
.b-blue { background: var(--blue-100); color: var(--blue-700); }
.b-grey { background: #f1f3f7; color: var(--muted); }

.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; letter-spacing: -.01em; }
.logo-mark {
  width: 32px; height: 32px; border-radius: 9px; background: var(--blue-600);
  display: grid; place-items: center; color: #fff;
}
.on-dark .logo-mark { background: #fff; color: var(--blue-600); }

/* ---------- Landing ---------- */
.site-nav { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-nav .container { display: flex; align-items: center; gap: 28px; height: 68px; }
.site-nav nav { display: flex; gap: 24px; font-size: 14px; color: var(--muted); }
.site-nav nav a:hover { color: var(--blue-700); }
.site-nav .spacer { flex: 1; }
.nav-actions { display: flex; align-items: center; gap: 12px; }

.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(1200px 500px at 85% -10%, rgba(59,130,246,.55), transparent 60%),
              linear-gradient(160deg, var(--blue-950) 0%, var(--blue-800) 55%, var(--blue-600) 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  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: 48px 48px; mask-image: linear-gradient(to bottom, #000 30%, transparent 90%);
}
.hero .container { position: relative; z-index: 1; padding-top: 88px; padding-bottom: 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); font-size: 13px; color: #dce7fb;
}
.hero h1 { font-size: clamp(36px, 5.4vw, 64px); line-height: 1.04; letter-spacing: -.03em; margin: 22px 0 18px; max-width: 900px; }
.hero h1 .strike { text-decoration: line-through; text-decoration-thickness: 4px; text-decoration-color: #7fb0ff; color: #a9c4f2; }
.hero p.lead { font-size: 19px; color: #c9dbfa; max-width: 640px; margin: 0 0 32px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-shot { margin-top: 64px; border-radius: 16px 16px 0 0; background: #fff; box-shadow: 0 -10px 60px rgba(0,0,0,.25); padding: 10px 10px 0; }
.hero-shot .chrome { display: flex; gap: 6px; padding: 4px 6px 10px; }
.hero-shot .chrome i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.hero-shot img { width: 100%; border-radius: 8px 8px 0 0; border: 1px solid var(--line); border-bottom: 0; }

section.block { padding: 96px 0; scroll-margin-top: 68px; }
section.alt { background: var(--blue-50); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue-600); }
.section-head h2 { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.12; letter-spacing: -.02em; margin: 10px 0 14px; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }

/* before / after */
.versus { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.vs-card { border-radius: 16px; padding: 32px; border: 1px solid var(--line); background: #fff; }
.vs-card.after { background: var(--blue-900); border-color: var(--blue-900); color: #fff; }
.vs-card h3 { margin: 0 0 20px; font-size: 20px; display: flex; align-items: center; gap: 10px; }
.vs-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.vs-card li { display: flex; gap: 12px; align-items: flex-start; }
.vs-card li .icon { margin-top: 2px; }
.vs-card.before li { color: var(--muted); }
.vs-card.before li .icon { color: var(--red); }
.vs-card.after li { color: #dce7fb; }
.vs-card.after li .icon { color: #7fb0ff; }
.vs-card .files { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 24px; }
.vs-card .files span { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; padding: 4px 8px; border-radius: 6px; background: #f1f3f7; color: var(--muted); }

/* modules */
.modules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.module { background: #fff; padding: 28px; transition: background .15s; }
.module:hover { background: var(--blue-50); }
.module .m-icon { width: 42px; height: 42px; border-radius: 10px; background: var(--blue-100); color: var(--blue-600); display: grid; place-items: center; margin-bottom: 16px; }
.module h3 { margin: 0 0 8px; font-size: 17px; }
.module p { margin: 0 0 12px; color: var(--muted); font-size: 14px; }
.module .tags { display: flex; flex-wrap: wrap; gap: 6px; }
.module .tags span { font-size: 12px; padding: 2px 8px; border-radius: 6px; background: var(--blue-50); color: var(--blue-700); border: 1px solid var(--blue-100); }

/* timezone spotlight */
.spotlight { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: center; }
.spot-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 16px; }
.spot-list li { display: flex; gap: 14px; }
.spot-list .s-ic { width: 34px; height: 34px; border-radius: 9px; background: var(--blue-600); color: #fff; display: grid; place-items: center; flex: none; }
.spot-list strong { display: block; font-size: 15px; }
.spot-list span { color: var(--muted); font-size: 14px; }
.clock-board { background: var(--blue-900); border-radius: 18px; padding: 24px; color: #fff; box-shadow: var(--shadow); }
.clock-board .cb-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; font-size: 13px; color: #a9c4f2; }
.clock-row { display: grid; grid-template-columns: 150px 1fr 64px; gap: 14px; align-items: center; padding: 9px 0; border-top: 1px solid rgba(255,255,255,.08); }
.clock-row .city { font-weight: 600; font-size: 14px; }
.clock-row .city small { display: block; font-weight: 400; color: #7f9ccb; font-size: 12px; }
.clock-row .bar { position: relative; height: 22px; border-radius: 6px; background: rgba(255,255,255,.06); overflow: hidden; }
.clock-row .bar i { position: absolute; top: 0; bottom: 0; border-radius: 6px; background: linear-gradient(90deg, #3b82f6, #60a5fa); }
.clock-row .bar i.off { background: rgba(217,59,59,.35); }
.clock-row .bar b { position: absolute; top: -2px; bottom: -2px; width: 2px; background: #fff; }
.clock-row .time { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.clock-row .time small { display: block; font-size: 11px; font-weight: 500; }
.cb-scale { display: grid; grid-template-columns: 150px 1fr 64px; gap: 14px; font-size: 11px; color: #7f9ccb; margin-bottom: 4px; }
.cb-scale div { display: flex; justify-content: space-between; }

/* roles */
.roles { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.role-card { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: #fff; display: flex; flex-direction: column; }
.role-card .rc-top { padding: 32px 32px 24px; }
.role-card .rc-top .badge { margin-bottom: 14px; }
.role-card h3 { font-size: 24px; margin: 0 0 8px; letter-spacing: -.01em; }
.role-card p { color: var(--muted); margin: 0 0 18px; }
.role-card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; font-size: 14px; }
.role-card li { display: flex; gap: 10px; }
.role-card li .icon { color: var(--blue-600); width: 16px; height: 16px; margin-top: 2px; }
.role-card .rc-img { margin-top: auto; background: var(--blue-50); padding: 24px 0 0 32px; border-top: 1px solid var(--line); }
.role-card .rc-img img { width: 100%; border-radius: 10px 0 0 0; border: 1px solid var(--line); border-right: 0; border-bottom: 0; box-shadow: var(--shadow); }

/* migration steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 24px; border-radius: 14px; background: #fff; border: 1px solid var(--line); }
.step::before { counter-increment: step; content: "0" counter(step); font-size: 13px; font-weight: 700; color: var(--blue-600); display: block; margin-bottom: 12px; }
.step h4 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

/* integrations + security */
.split2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.panel { border-radius: 16px; padding: 32px; border: 1px solid var(--line); background: #fff; }
.panel h3 { margin: 0 0 6px; font-size: 20px; }
.panel > p { margin: 0 0 20px; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 8px; border: 1px solid var(--line); font-size: 13px; font-weight: 500; background: var(--blue-50); }
.checks { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; font-size: 14px; }
.checks li { display: flex; gap: 10px; }
.checks .icon { color: var(--green); width: 16px; height: 16px; margin-top: 2px; }

/* stats strip */
.stats-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 40px 0; }
.stats-strip div strong { display: block; font-size: 36px; letter-spacing: -.02em; color: var(--blue-700); }
.stats-strip div span { color: var(--muted); font-size: 14px; }

.cta-band { background: linear-gradient(135deg, var(--blue-900), var(--blue-600)); color: #fff; border-radius: 22px; padding: 56px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta-band h2 { margin: 0 0 8px; font-size: clamp(26px, 3vw, 36px); letter-spacing: -.02em; }
.cta-band p { margin: 0; color: #c9dbfa; }

footer.site { padding: 40px 0; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); }
footer.site .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 960px) {
  .site-nav nav { display: none; }
  .modules { grid-template-columns: 1fr 1fr; }
  .spotlight, .roles, .versus, .split2 { grid-template-columns: 1fr; }
  .steps, .stats-strip { grid-template-columns: 1fr 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 36px; }
}
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .modules, .steps, .checks { grid-template-columns: 1fr; }
  section.block { padding: 64px 0; }
  .hero .container { padding-top: 56px; }
  .clock-row, .cb-scale { grid-template-columns: 96px 1fr 52px; gap: 8px; }
  .nav-actions .btn-ghost { display: none; }
  .site-nav .container { gap: 12px; }
  .nav-actions .btn-primary { display: none; }
  .vs-card, .panel { padding: 24px; }
}