:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eaf1ff;
  --ink: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --green: #059669;
  --amber: #fbbf24;
  --radius: 18px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --primary-soft: #172554;
    --ink: #f1f5f9;
    --text: #cbd5e1;
    --muted: #94a3b8;
    --line: #1e293b;
    --bg: #0b1120;
    --card: #111827;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--ink); }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand:hover { text-decoration: none; }
nav.links { display: flex; gap: 22px; font-size: 15px; font-weight: 500; }
nav.links a { color: var(--text); }
nav.links a:hover, nav.links a.on { color: var(--primary); text-decoration: none; }
@media (max-width: 720px) { nav.links .opt { display: none; } nav.links { gap: 14px; font-size: 14px; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; border-radius: 12px; font-weight: 600; font-size: 16px;
  background: var(--primary); color: #fff; border: 0;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn.ghost:hover { border-color: var(--primary); color: var(--primary); }
.play { background: #0f172a; color: #fff; }
.play:hover { background: #1e293b; }
.play small { display: block; font-size: 11px; font-weight: 500; opacity: .8; line-height: 1; }
.play b { display: block; font-size: 17px; line-height: 1.2; }
@media (prefers-color-scheme: dark) { .play { background: #fff; color: #0f172a; } .play:hover { background: #e2e8f0; } }

/* Hero */
.hero { padding: 72px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; background: var(--primary-soft); color: var(--primary); font-weight: 600; font-size: 13px; padding: 6px 12px; border-radius: 99px; }
h1 { font-size: clamp(34px, 5.2vw, 56px); line-height: 1.08; letter-spacing: -0.02em; color: var(--ink); margin: 16px 0; font-weight: 800; }
h1 em { font-style: normal; color: var(--primary); }
.lead { font-size: 19px; color: var(--muted); max-width: 560px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 14px; }
.note { font-size: 13px; color: var(--muted); }
.hero-phone { justify-self: center; width: min(330px, 80vw); border-radius: 36px; border: 10px solid #0f172a; box-shadow: 0 30px 60px -20px rgba(15, 23, 42, .45); overflow: hidden; background: #0f172a; }
.hero-phone img { aspect-ratio: 9 / 20; object-fit: cover; object-position: top; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } .hero { padding-top: 40px; } }

/* Sections */
section { padding: 64px 0; }
.alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(26px, 3.4vw, 38px); color: var(--ink); letter-spacing: -0.01em; margin: 0 0 10px; line-height: 1.2; }
.sub { color: var(--muted); font-size: 17px; margin: 0 0 36px; max-width: 640px; }
.center { text-align: center; }
.center .sub { margin-left: auto; margin-right: auto; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.alt .card { background: var(--bg); }
.card h3 { margin: 14px 0 6px; font-size: 18px; color: var(--ink); }
.card p { margin: 0; font-size: 15px; color: var(--muted); }
.ic { width: 44px; height: 44px; border-radius: 12px; background: var(--primary-soft); display: grid; place-items: center; font-size: 22px; }

/* Screenshots */
.shots { display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 4px 18px; }
.shots img { width: 240px; flex: 0 0 auto; border-radius: 18px; scroll-snap-align: start; box-shadow: 0 10px 30px -12px rgba(15, 23, 42, .35); aspect-ratio: 9/16; }

/* Pricing */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 860px; margin: 0 auto; }
@media (max-width: 700px) { .plans { grid-template-columns: 1fr; } }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.plan.pro { border: 2px solid var(--primary); }
.plan h3 { margin: 0; font-size: 20px; color: var(--ink); }
.price { font-size: 34px; font-weight: 800; color: var(--ink); margin: 8px 0 2px; }
.price span { font-size: 15px; font-weight: 500; color: var(--muted); }
.plan ul { padding-left: 20px; margin: 16px 0 0; }
.plan li { margin: 6px 0; font-size: 15px; }

/* Languages */
.langs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.langs span { background: var(--card); border: 1px solid var(--line); border-radius: 99px; padding: 8px 16px; font-weight: 600; color: var(--ink); }

/* FAQ */
details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 20px; margin: 0 0 10px; }
details summary { cursor: pointer; font-weight: 600; color: var(--ink); }
details p { margin: 10px 0 0; color: var(--muted); }

/* Legal / document pages */
.doc { max-width: 820px; margin: 0 auto; padding: 48px 20px 72px; }
.doc h1 { font-size: clamp(30px, 4vw, 42px); }
.doc h2 { font-size: 22px; margin: 36px 0 8px; }
.doc h3 { font-size: 17px; color: var(--ink); margin: 20px 0 4px; }
.doc p, .doc li { font-size: 16px; }
.doc .meta { color: var(--muted); font-size: 14px; }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; border: 1px solid var(--line); padding: 10px 12px; vertical-align: top; }
.doc th { background: var(--primary-soft); color: var(--ink); }
.doc .box { background: var(--primary-soft); border-radius: 14px; padding: 16px 20px; margin: 18px 0; color: var(--ink); }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 24px; }
.toc ol { margin: 6px 0; padding-left: 20px; }

/* Footer */
footer.site { border-top: 1px solid var(--line); padding: 40px 0 28px; font-size: 14px; color: var(--muted); }
footer.site .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; }
@media (max-width: 700px) { footer.site .cols { grid-template-columns: 1fr; } }
footer.site h4 { color: var(--ink); margin: 0 0 10px; font-size: 14px; }
footer.site ul { list-style: none; padding: 0; margin: 0; }
footer.site li { margin: 6px 0; }
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--primary); }
footer.site .copy { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }