:root {
  --blue-900: #1e3a8a;
  --blue-700: #1d4ed8;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --card: #ffffff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e2e8f0;
    --muted: #94a3b8;
    --line: #1e293b;
    --bg: #0b1120;
    --bg-alt: #0f172a;
    --card: #111a2e;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

.btn { display: inline-block; padding: 9px 16px; border-radius: 8px; font-size: 15px; font-weight: 600; border: 1px solid transparent; }
.btn.pri { background: var(--blue-700); color: #fff; }
.btn.pri:hover { background: var(--blue-900); }
.btn.sec { border-color: var(--line); }
.btn.sec:hover { border-color: var(--muted); }
.btn.light { background: #fff; color: var(--blue-900); }
.btn.ghost { border-color: #93c5fd; color: #fff; }

.top { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; gap: 16px; min-height: 64px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.brand img { border-radius: 8px; }
.nav { display: flex; gap: 18px; margin-left: auto; color: var(--muted); }
.nav a:hover { color: var(--ink); }
.actions { display: flex; align-items: center; gap: 8px; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.lang button { border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 13px; padding: 6px 9px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--blue-700); color: #fff; }

.hero { background: var(--blue-900); color: #fff; padding: 72px 0; }
.eyebrow { margin: 0 0 8px; color: var(--blue-200); font-size: 14px; }
.hero h1 { margin: 0 0 14px; font-size: clamp(30px, 5vw, 46px); line-height: 1.15; max-width: 760px; }
.lead { margin: 0 0 26px; color: var(--blue-100); max-width: 620px; font-size: 18px; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; }
.note { margin: 14px 0 0; color: var(--blue-200); font-size: 14px; }

.sec-block { padding: 64px 0; }
.sec-block.alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-block h2 { margin: 0 0 8px; font-size: 28px; }
.sub { margin: 0 0 24px; color: var(--muted); }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 24px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); max-width: 760px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card h3 { margin: 10px 0 4px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
.ico { display: inline-flex; width: 40px; height: 40px; border-radius: 10px; background: var(--blue-100); align-items: center; justify-content: center; }
.ico svg { width: 22px; height: 22px; fill: none; stroke: var(--blue-700); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.plan h3 { margin-top: 0; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.plan .price { margin: 4px 0 12px; color: var(--muted); }
.plan .price strong { font-size: 34px; color: var(--ink); }
.plan p:not(.price) { margin-bottom: 18px; }
.plan.featured { border: 2px solid var(--blue-700); }
.badge { font-size: 12px; font-weight: 600; background: var(--blue-100); color: var(--blue-900); border-radius: 999px; padding: 2px 10px; }

.faq { max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 8px 0 0; color: var(--muted); }

.foot { background: #0f172a; color: #cbd5e1; font-size: 14px; }
.foot-in { display: flex; gap: 18px; flex-wrap: wrap; padding-top: 22px; padding-bottom: 22px; }
.foot a:hover { color: #fff; }
.grow { flex: 1; }

@media (max-width: 720px) {
  .nav { display: none; }
  .actions { margin-left: auto; }
  .brand span { font-size: 15px; }
  .hero { padding: 48px 0; }
}
@media (max-width: 420px) {
  .brand span { display: none; }
}