:root {
  --bg: #f3f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #667085;
  --border: #e3e7ee;
  --accent: #2f7bff;
  --accent-deep: #1a5fe0;
  --accent-soft: rgba(47, 123, 255, 0.12);
  --radius: 24px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101114;
    --card: #1b1c21;
    --text: #f5f6f8;
    --muted: #8b8e99;
    --border: #2a2c33;
    --accent-soft: rgba(47, 123, 255, 0.18);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.6;
}
a { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }

/* ---------- header / footer ---------- */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.brand img { width: 44px; height: 44px; border-radius: 12px; }
.brand b { font-size: 20px; display: block; line-height: 1.1; }
.brand small { color: var(--muted); font-size: 12px; }
.nav-links { display: flex; gap: 20px; font-size: 14px; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 500; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--accent); }
footer { border-top: 1px solid var(--border); margin-top: 72px; padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--accent); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--accent); color: #fff; text-decoration: none; font-weight: 600;
  padding: 14px 24px; border-radius: 999px; font-size: 16px;
}
.btn:hover { background: var(--accent-deep); }
.btn svg { width: 20px; height: 20px; }
.btn-ghost { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--accent-soft); }

/* ---------- landing ---------- */
.hero { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; padding: 16px 0 24px; }
.eyebrow { display: inline-block; background: var(--accent-soft); color: var(--accent); font-weight: 600; font-size: 13px; padding: 6px 14px; border-radius: 999px; }
h1 { font-size: clamp(36px, 6vw, 60px); line-height: 1.08; margin: 18px 0; letter-spacing: -0.02em; }
h1 span { color: var(--accent); }
.lead { font-size: 18px; color: var(--muted); max-width: 520px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.note { font-size: 13px; color: var(--muted); margin-top: 12px; }
.phone { justify-self: center; width: min(300px, 72vw); border-radius: 44px; padding: 10px; background: #0b0b0f; box-shadow: 0 30px 80px rgba(15, 23, 42, 0.25); }
.phone img { border-radius: 36px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 48px 0; }
.stat { background: var(--card); border-radius: var(--radius); padding: 22px; }
.stat b { display: block; font-size: 28px; }
.stat span { color: var(--muted); font-size: 14px; }

h2 { font-size: clamp(26px, 4vw, 36px); line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.01em; }
.section { margin-top: 72px; }
.section > p { color: var(--muted); max-width: 640px; margin: 0 0 28px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { background: var(--card); border-radius: var(--radius); padding: 24px; }
.feature .ic { width: 44px; height: 44px; border-radius: 14px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 22px; }
.feature h3 { margin: 14px 0 6px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

.gallery { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; }
.gallery img { width: 240px; flex: none; border-radius: 22px; scroll-snap-align: start; box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12); }

.band { margin-top: 72px; background: linear-gradient(135deg, #4c8dff, #1a5fe0); color: #fff; border-radius: 32px; padding: 48px 32px; text-align: center; }
.band h2 { color: #fff; }
.band p { opacity: 0.9; margin: 0 auto 24px; max-width: 520px; }
.band .btn { background: #fff; color: var(--accent-deep); }

/* ---------- document pages (privacy, support) ---------- */
.doc { background: var(--card); border-radius: var(--radius); padding: clamp(24px, 5vw, 48px); margin-top: 16px; }
.doc h1 { font-size: clamp(30px, 5vw, 42px); margin-top: 0; }
.doc h2 { font-size: 22px; margin-top: 36px; }
.doc .updated { color: var(--muted); font-size: 14px; }
.doc li { margin: 6px 0; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.doc th { color: var(--muted); font-weight: 500; }
.faq details { border-bottom: 1px solid var(--border); padding: 14px 0; }
.faq summary { font-weight: 600; cursor: pointer; }
.faq p { color: var(--muted); margin: 8px 0 0; }
.contact { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; background: var(--accent-soft); border-radius: 18px; padding: 20px; margin: 20px 0; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .lead { margin-inline: auto; }
  .cta { justify-content: center; }
  .features { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .nav-links { gap: 14px; }
}
@media (max-width: 480px) {
  .nav-links a:not(.keep) { display: none; }
}