:root {
  --bg: #0B1020;
  --surface: #131A2E;
  --surface-2: #1C2540;
  --accent: #22D3EE;
  --accent-2: #6366F1;
  --text: #E6EAF2;
  --muted: #9AA4BF;
  --border: rgba(255, 255, 255, 0.08);
  --maxw: 1080px;
  --radius: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 600px at 80% -10%, rgba(99, 102, 241, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(34, 211, 238, 0.12), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ── Nav ── */
.nav {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(11, 16, 32, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.02em; font-size: 1.15rem; }
.brand .logo {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: #04121A; font-weight: 900;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--muted); font-size: 0.95rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer; transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121A;
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(34, 211, 238, 0.35); }
.btn-ghost { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: #232e52; }

/* ── Hero ── */
.hero { padding: 96px 0 72px; text-align: center; }
.eyebrow {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--accent); font-size: 0.82rem; font-weight: 600; margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.4rem, 1.2rem + 5vw, 4.6rem); line-height: 1.04; margin: 0 0 20px;
  letter-spacing: -0.03em; font-weight: 800;
  background: linear-gradient(180deg, #fff, #aab4d4);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: clamp(1.05rem, 0.9rem + 0.6vw, 1.3rem); color: var(--muted); max-width: 660px; margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.note { margin-top: 18px; color: var(--muted); font-size: 0.88rem; }

/* ── Sections ── */
section { padding: 72px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(1.8rem, 1.2rem + 2vw, 2.6rem); margin: 0 0 12px; letter-spacing: -0.02em; }
.section-head p { color: var(--muted); margin: 0; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card {
  background: linear-gradient(180deg, var(--surface), rgba(19, 26, 46, 0.6));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, 0.35); }
.card .ico { font-size: 1.6rem; margin-bottom: 14px; }
.card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* ── Steps ── */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.step { position: relative; padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #04121A; font-weight: 800; margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* ── Pricing ── */
.price-card {
  max-width: 460px; margin: 0 auto; text-align: center;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid rgba(34, 211, 238, 0.3); border-radius: 24px; padding: 44px 36px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.price-card .amount { font-size: 4rem; font-weight: 800; letter-spacing: -0.03em; }
.price-card .amount span { font-size: 1.2rem; color: var(--muted); font-weight: 600; }
.price-card .once { color: var(--accent); font-weight: 600; margin-bottom: 20px; }
.price-list { list-style: none; padding: 0; margin: 24px 0; text-align: left; }
.price-list li { padding: 8px 0; color: var(--text); display: flex; gap: 10px; }
.price-list li::before { content: "✓"; color: var(--accent); font-weight: 800; }

/* ── FAQ ── */
.faq details {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 22px; margin-bottom: 12px;
}
.faq summary { cursor: pointer; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq details[open] summary { color: var(--accent); }
.faq p { color: var(--muted); margin: 12px 0 0; }

/* ── Download grid ── */
.dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 32px; }
@media (max-width: 640px) { .dl-grid { grid-template-columns: 1fr; } }
.dl-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.dl-card h3 { margin: 0; font-size: 1.15rem; }
.dl-card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.downloader-url {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  text-align: center;
}
.downloader-url code {
  font-size: 1.1rem;
  font-family: monospace;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.dl-steps { margin: 0; padding-left: 20px; color: var(--muted); font-size: 0.9rem; }
.dl-steps li { margin-bottom: 4px; }

/* ── Footer ── */
footer { border-top: 1px solid var(--border); padding: 48px 0; color: var(--muted); }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a { color: var(--muted); transition: color 0.2s; }
footer a:hover { color: var(--text); }
.foot-links { display: flex; gap: 22px; flex-wrap: wrap; }

/* ── Legal pages ── */
.legal { max-width: 760px; margin: 0 auto; padding: 64px 24px; }
.legal h1 { font-size: 2.2rem; letter-spacing: -0.02em; }
.legal h2 { margin-top: 36px; font-size: 1.3rem; }
.legal p, .legal li { color: var(--muted); }
.legal a { color: var(--accent); }
.back { display: inline-block; margin-bottom: 24px; color: var(--accent); }