:root {
  --bg: #F4F6FA;
  --surface: #FFFFFF;
  --text: #090B1E;
  --muted: #6B7280;
  --faint: #9CA3AF;
  --border: #E2E7EF;
  --accent: #0085FF;
  --g1: #009EFF;
  --g2: #9360FF;
  --gradient: linear-gradient(135deg, var(--g1), var(--g2));
  --shadow: 0 18px 50px rgba(9, 11, 30, 0.08);
  --phone-answer-bg: #F8FAFC;
  --btn-ghost-bg: rgba(255,255,255,0.72);
  --font: "Outfit", "Segoe UI", system-ui, sans-serif;
}

html.dark {
  --bg: #0B0D14;
  --surface: #141824;
  --text: #F3F4F6;
  --muted: #9CA3AF;
  --faint: #6B7280;
  --border: #2A3144;
  --accent: #4BA3FF;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --phone-answer-bg: #10141F;
  --btn-ghost-bg: rgba(20, 24, 36, 0.85);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 480px at 0% -10%, rgba(0, 158, 255, 0.14), transparent 55%),
    radial-gradient(700px 420px at 100% 0%, rgba(147, 96, 255, 0.12), transparent 50%),
    var(--bg);
  min-height: 100vh;
  transition: background-color 0.2s ease, color 0.2s ease;
}
html.dark body {
  background:
    radial-gradient(900px 480px at 0% -10%, rgba(0, 158, 255, 0.12), transparent 55%),
    radial-gradient(700px 420px at 100% 0%, rgba(147, 96, 255, 0.10), transparent 50%),
    var(--bg);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}
.mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--gradient);
  position: relative;
  flex-shrink: 0;
}
.mark::after {
  content: "";
  position: absolute;
  inset: 7px 6px 7px 8px;
  border: 2px solid rgba(255,255,255,0.92);
  border-right: none;
  border-radius: 10px 0 0 10px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--text); }
.theme-btn {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
}
.theme-btn:hover {
  border-color: var(--accent);
}

main { max-width: 1100px; margin: 0 auto; padding: 0 24px 80px; }

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  min-height: calc(100vh - 88px);
  padding: 48px 0 64px;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--faint);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(3rem, 7vw, 4.6rem);
  letter-spacing: -0.05em;
  line-height: 0.95;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.55;
  max-width: 32rem;
}
.cta { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}
.btn.primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 12px 28px rgba(0, 133, 255, 0.25);
}
.btn.ghost {
  background: var(--btn-ghost-bg);
  border-color: var(--border);
  color: var(--text);
}

.hero-visual { display: flex; justify-content: center; }
.phone-mock {
  width: min(100%, 340px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 18px;
  box-shadow: var(--shadow);
  position: relative;
}
.phone-mock::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 4px;
  border-radius: 28px 28px 0 0;
  background: var(--gradient);
}
.phone-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.85rem;
}
.phone-top .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 0 4px rgba(34,197,94,0.15);
}
.phone-label {
  color: var(--faint);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 6px;
}
.phone-answer {
  background: var(--phone-answer-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.45;
  margin-bottom: 14px;
}
.phone-q {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.section { padding: 56px 0 8px; }
.section h2 {
  margin: 0 0 8px;
  font-size: 1.8rem;
  letter-spacing: -0.03em;
}
.section-sub {
  margin: 0 0 28px;
  color: var(--muted);
  max-width: 36rem;
  line-height: 1.5;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.steps li {
  display: grid;
  gap: 4px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
}
.steps li:last-child { border-bottom: 1px solid var(--border); }
.steps strong { font-size: 1.05rem; letter-spacing: -0.02em; }
.steps a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.steps a:hover { text-decoration: underline; }
.steps span { color: var(--muted); line-height: 1.55; }

.download-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.notes {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

.buy .price-block {
  max-width: 440px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}
.buy-link {
  width: 100%;
  margin: 4px 0 8px;
}
.price { margin-bottom: 18px; }
.price #price-label {
  display: block;
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}
.price-meta { color: var(--muted); font-size: 0.92rem; }
.status {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 24px 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
  color: var(--faint);
  font-size: 0.88rem;
  border-top: 1px solid var(--border);
}

.thanks {
  max-width: 560px;
  margin: 0 auto;
  padding: 80px 24px;
}
.thanks h1 {
  margin: 28px 0 12px;
  font-size: 2.4rem;
  letter-spacing: -0.04em;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 36px;
  }
  .nav-links a { display: none; }
  .hero-visual { order: -1; }
  .phone-mock { width: min(100%, 300px); }
}