:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #4b5563;
  --line: #e5e7eb;
  --brand: #155eef;
  --brand-strong: #004eeb;
  --surface: #f8fafc;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
body { margin: 0; background: #fff; }
a { color: var(--brand); }
a:focus-visible, .button:focus-visible { outline: 3px solid #1d4ed8; outline-offset: 3px; border-radius: 6px; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: min(100% - 32px, 1040px); margin: 0 auto; padding: 24px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.mark { width: 26px; height: 30px; fill: var(--brand); }
.mark .check { fill: none; stroke: #fff; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.name { font-size: 19px; font-weight: 700; letter-spacing: -0.03em; }
.name small { display: block; margin-top: -2px; color: var(--muted); font-size: 12px; font-weight: 500; letter-spacing: 0; }
.signin { font-weight: 600; text-decoration: none; }

main { width: min(100% - 32px, 1040px); margin: 0 auto; }
.hero { max-width: 760px; padding: 56px 0 48px; }
.status { display: inline-block; margin: 0 0 20px; padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 14px; font-weight: 550; }
h1 { margin: 0; font-size: clamp(32px, 5vw, 50px); line-height: 1.12; letter-spacing: -0.04em; font-weight: 720; }
.lead { margin: 20px 0 0; color: var(--muted); font-size: 18px; line-height: 1.6; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin: 32px 0 0; }
.button { display: inline-block; padding: 14px 22px; border-radius: 9px; background: var(--brand); color: #fff; font-weight: 600; text-decoration: none; }
.button:hover { background: var(--brand-strong); }
.link { font-weight: 600; }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding: 8px 0 48px; }
.grid article { padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.grid h2 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.02em; }
.grid p { margin: 0; color: var(--muted); line-height: 1.6; }

.limits { padding: 0 0 56px; }
.limits h2 { margin: 0 0 12px; font-size: 20px; letter-spacing: -0.02em; }
.limits ul { margin: 0; padding-left: 20px; color: var(--muted); line-height: 1.7; }

.foot { width: min(100% - 32px, 1040px); margin: 0 auto; padding: 24px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; line-height: 1.6; }
.foot p { margin: 0 0 6px; }

@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .hero { padding: 32px 0 32px; }
  .lead { font-size: 16px; }
}
@media (prefers-reduced-motion: no-preference) {
  .button { transition: background-color 0.12s ease; }
}

.doc { max-width: 760px; padding: 32px 0 56px; }
.doc h1 { font-size: clamp(28px, 4vw, 40px); }
.doc h2 { margin: 32px 0 8px; font-size: 20px; letter-spacing: -0.02em; }
.doc p, .doc li { color: #374151; line-height: 1.7; }
.doc .meta { margin-top: 8px; color: var(--muted); font-size: 14px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc .terms li { margin-bottom: 10px; }