:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1c2128;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #8b1a1a;
  --accent-hover: #a52222;
  --border: #30363d;
  --gps: #58a6ff;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.site {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(12px + var(--safe-top)) 20px 12px;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  font-size: 16px;
}

.site-brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 8px;
}

.site-nav a:hover { color: var(--text); background: var(--surface); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover { border-color: var(--accent); color: #fff; }

.btn-nav {
  padding: 8px 14px;
  font-size: 13px;
}

.site-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px calc(48px + var(--safe-bottom));
}

.hero {
  text-align: center;
  padding: 24px 0 40px;
}

.hero-logo {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin-bottom: 20px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 6vw, 36px);
  font-weight: 800;
  letter-spacing: -0.5px;
}

.hero .tagline {
  margin: 0 auto 28px;
  max-width: 520px;
  color: var(--muted);
  font-size: 17px;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.hero-cta .btn { width: 100%; max-width: 300px; }

.hero-hint {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  max-width: 400px;
  margin-inline: auto;
}

.feature-grid {
  display: grid;
  gap: 12px;
  margin: 40px 0;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  text-align: left;
}

.feature-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.steps-preview {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  margin: 32px 0;
}

.steps-preview h2 {
  margin: 0 0 16px;
  font-size: 18px;
}

.steps-preview ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.steps-preview li {
  margin-bottom: 10px;
  font-size: 15px;
}

.steps-preview li strong { color: var(--text); }

.site-footer {
  text-align: center;
  padding: 24px 20px calc(20px + var(--safe-bottom));
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.site-footer p {
  margin: 0 0 10px;
}

.site-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 14px;
  margin-bottom: 10px;
}

.site-footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.site-footer-links a:hover,
.site-footer-links a[aria-current="page"] {
  color: var(--text);
}

.site-footer-copy {
  margin: 0;
  font-size: 11px;
}

.pricing-note {
  margin: 20px 0 0;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  line-height: 1.5;
}

.pricing-note a {
  color: var(--gps);
}

.legal h1 {
  margin: 0 0 6px;
  font-size: 28px;
  font-weight: 800;
}

.legal-updated {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--muted);
}

.legal .lead {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 16px;
}

.legal section {
  margin-bottom: 28px;
}

.legal h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.legal p,
.legal li {
  font-size: 15px;
  color: var(--muted);
}

.legal strong {
  color: var(--text);
}

.legal a {
  color: var(--gps);
}

/* Instructions page */
.instructions h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 800;
}

.instructions .lead {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 16px;
}

.instructions section {
  margin-bottom: 32px;
}

.instructions h2 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 700;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.instructions h3 {
  margin: 18px 0 8px;
  font-size: 16px;
}

.instructions p,
.instructions li {
  color: var(--muted);
  font-size: 15px;
}

.instructions ul,
.instructions ol {
  margin: 0 0 12px;
  padding-left: 22px;
}

.instructions li { margin-bottom: 8px; }

.instructions strong { color: var(--text); }

.tip-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 16px 0;
}

.tip-box p {
  margin: 0;
  font-size: 14px;
}

.pin-legend {
  display: grid;
  gap: 8px;
  margin: 12px 0;
}

.pin-legend-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  color: var(--muted);
}

.pin-legend-item strong { color: var(--text); min-width: 110px; }

.stat-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.stat-chip {
  padding: 8px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  color: var(--muted);
}

.stat-chip strong { color: var(--text); display: block; font-size: 11px; }

.instructions-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.pricing {
  margin: 48px 0 32px;
  text-align: center;
}

.pricing h2 {
  margin: 0 0 8px;
  font-size: 24px;
}

.pricing-lead {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 15px;
}

.pricing-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  text-align: left;
}

.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(139, 26, 26, 0.35);
}

.pricing-card h3 {
  margin: 0 0 4px;
  font-size: 17px;
}

.pricing-card .price {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
}

.pricing-card .price-note {
  margin: 0 0 12px;
  font-size: 12px;
  color: var(--muted);
}

.pricing-card ul {
  margin: 0 0 16px;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}

.pricing-card li { margin-bottom: 6px; }

.pricing-card .btn {
  width: 100%;
}

.tester-box {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 20px;
  text-align: left;
}

.tester-box h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.tester-box p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
}

.tester-input {
  width: 100%;
  padding: 12px;
  margin-bottom: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}

.tester-msg {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

@media (min-width: 560px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .hero-cta { flex-direction: row; justify-content: center; }
  .hero-cta .btn { width: auto; min-width: 160px; }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}