:root {
  --bg: #0e1117;
  --surface: #151a22;
  --text: #e8edf4;
  --muted: #9aa5b5;
  --accent: #6ea8ff;
  --border: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at 10% 0%, #151b25 0%, var(--bg) 38%);
  color: var(--text);
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  transition: background 180ms ease, backdrop-filter 180ms ease, border-color 180ms ease;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(14, 17, 23, 0.78);
  backdrop-filter: blur(8px);
  border-color: var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  padding: 14px 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.brand img {
  width: 22px;
  height: 22px;
}

.nav-links {
  display: inline-flex;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

.btn {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 14px;
  transition: transform 140ms ease, background 140ms ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: #0b1220;
  border: none;
  font-weight: 600;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.section { margin-top: 52px; }
.section-title-wrap { margin-bottom: 16px; }

.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 34px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.06;
  margin: 0 0 14px;
}

.hero-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.chips {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 10px;
}

.preview-frame {
  background: linear-gradient(180deg, #1a2231, #121825);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px;
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.35);
}

.preview-frame img {
  width: 100%;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.feature-grid,
.shot-grid,
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.shot-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
}

.card h3 {
  margin: 10px 0 8px;
  font-size: 16px;
}

.card img:not(.icon) {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.icon {
  width: 22px;
  height: 22px;
}

.muted { color: var(--muted); }

.trust-list {
  margin: 0 0 10px;
  padding-left: 18px;
  color: var(--muted);
}

.text-link {
  color: var(--accent);
  font-size: 14px;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details summary {
  cursor: pointer;
  font-weight: 600;
}

details p { margin: 10px 0 0; }

.footer {
  max-width: 1100px;
  margin: 36px auto 22px;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero { grid-template-columns: 1fr; }
  .feature-grid,
  .steps { grid-template-columns: 1fr; }
  .shot-grid { grid-template-columns: 1fr; }
  .footer { flex-direction: column; align-items: flex-start; }
}