:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --text: #16151a;
  --muted: #5f5d68;
  --line: #e7e4df;
  --accent: #4b3fe0;
  --accent-soft: #eeecff;
  --radius: 14px;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111015;
    --surface: #1a1920;
    --text: #f2f1f5;
    --muted: #a3a1ad;
    --line: #2b2a33;
    --accent: #8f86ff;
    --accent-soft: #24223a;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
header { border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-weight: 700; font-size: 1.25rem; letter-spacing: -0.02em; text-decoration: none; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); }

/* Hero */
.hero { padding: 104px 0 88px; }
.eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--accent); background: var(--accent-soft);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 24px;
}
.hero h1 { font-size: clamp(2.3rem, 5.5vw, 3.9rem); line-height: 1.08; letter-spacing: -0.035em; max-width: 15ch; }
.hero p { font-size: 1.15rem; color: var(--muted); max-width: 56ch; margin-top: 22px; }
.btns { display: flex; gap: 12px; margin-top: 36px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 22px; border-radius: 10px; font-weight: 600;
  text-decoration: none; font-size: 0.95rem; border: 1px solid var(--line);
}
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost:hover { background: var(--surface); }

/* Sections */
section { padding: 80px 0; border-top: 1px solid var(--line); }
.section-head { max-width: 60ch; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); letter-spacing: -0.025em; line-height: 1.15; }
.section-head p { color: var(--muted); margin-top: 12px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card .num { font-size: 0.85rem; font-weight: 600; color: var(--accent); }
.card h3 { font-size: 1.15rem; margin: 10px 0 8px; letter-spacing: -0.01em; }
.card p { color: var(--muted); font-size: 0.97rem; }

.product {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 44px;
}
.product h3 { font-size: 1.6rem; letter-spacing: -0.02em; }
.product p { color: var(--muted); margin-top: 12px; }
.tag { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.checks { list-style: none; display: grid; gap: 12px; }
.checks li { padding-left: 28px; position: relative; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 0.45em; width: 14px; height: 14px;
  border-radius: 50%; background: var(--accent-soft); box-shadow: inset 0 0 0 4px var(--accent);
}

.contact { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.contact a.mail { font-size: clamp(1.3rem, 3vw, 1.8rem); font-weight: 600; color: var(--accent); text-decoration: none; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 0.9rem; }
.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot nav { display: flex; gap: 20px; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--text); }

/* Legal page */
.legal { padding: 64px 0 88px; max-width: 760px; }
.legal h1 { font-size: 2.3rem; letter-spacing: -0.03em; }
.legal .updated { color: var(--muted); margin: 8px 0 36px; }
.legal h2 { font-size: 1.25rem; margin: 36px 0 10px; }
.legal p, .legal li { color: var(--muted); }
.legal ul { padding-left: 22px; display: grid; gap: 6px; margin-top: 8px; }

@media (max-width: 820px) {
  .grid, .product { grid-template-columns: 1fr; }
  .product { padding: 28px; }
  .nav-links { display: none; }
  .hero { padding: 72px 0 64px; }
  section { padding: 60px 0; }
  .wrap { padding: 0 16px; }
}