:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111827;
  background: #f8fafc;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --ink: #111827;
  --muted: #64748b;
  --line: #e2e8f0;
  --blue: #1457ff;
  --blue-dark: #0d3fc2;
  --panel: #ffffff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: #f8fafc; color: var(--ink); }
a { color: inherit; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.topbar { background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; letter-spacing: .02em; }
.brand-mark { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: #111827; color: white; font-size: 13px; }
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a { text-decoration: none; color: #475569; font-weight: 650; font-size: 14px; }
.nav-links a:hover { color: var(--blue); }
.hero { padding: 88px 0 54px; background: radial-gradient(circle at 80% 10%, rgba(20,87,255,.12), transparent 36%), linear-gradient(180deg,#fff,#f8fafc); border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 14px; color: var(--blue); text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 800; }
h1 { margin: 0; max-width: 900px; font-size: clamp(42px,7vw,76px); letter-spacing: -.045em; line-height: .98; }
.lead { max-width: 780px; margin: 24px 0 0; color: #475569; font-size: clamp(18px,2vw,22px); line-height: 1.65; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 12px; padding: 0 18px; text-decoration: none; font-weight: 800; border: 1px solid var(--line); background: white; }
.button.primary { background: var(--blue); border-color: var(--blue); color: white; }
.button.primary:hover { background: var(--blue-dark); }
.button.secondary:hover { border-color: #94a3b8; }
.section { padding: 64px 0; }
.grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 26px; box-shadow: 0 12px 35px rgba(15,23,42,.05); }
.card h2, .card h3 { margin: 0 0 12px; letter-spacing: -.025em; }
.card p { margin: 0; color: var(--muted); line-height: 1.7; }
.card .button { margin-top: 20px; }
.two-col { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(280px,.85fr); gap: 28px; align-items: start; }
.content h2 { margin: 0 0 18px; font-size: clamp(28px,4vw,42px); letter-spacing: -.035em; }
.content h3 { margin-top: 34px; font-size: 22px; }
.content p, .content li { color: #475569; line-height: 1.75; }
.content ul { padding-left: 22px; }
.side-card { background: #111827; color: white; border-radius: 20px; padding: 28px; position: sticky; top: 96px; }
.side-card p { color: #cbd5e1; line-height: 1.7; }
.side-card .button { width: 100%; margin-top: 10px; }
.meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.chip { padding: 8px 11px; border-radius: 999px; background: #eef2ff; color: #3730a3; font-weight: 700; font-size: 12px; }
.notice { margin-top: 28px; padding: 18px 20px; border-left: 4px solid #f59e0b; background: #fffbeb; color: #78350f; border-radius: 10px; line-height: 1.65; }
.apps-list { margin-top: 28px; }
footer { border-top: 1px solid var(--line); padding: 36px 0 46px; color: #64748b; font-size: 14px; }
footer .container { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a { color: #334155; font-weight: 700; text-decoration: none; }
@media (max-width: 820px) {
  .grid, .two-col { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .nav-links { display: none; }
  .hero { padding-top: 62px; }
}