:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-border: #30363d;
  --surface-hover: #1f242c;
  --text-main: #e6edf3;
  --text-muted: #8b949e;
  --primary: #238636;
  --primary-hover: #2ea043;
  --accent: #58a6ff;
  --gold: #d29922;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --max: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
}

body.landing {
  background: var(--bg);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.55;
  min-height: 100vh;
}

a { color: var(--accent); }

.landing-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
}

.landing-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(13, 17, 23, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-border);
}

.landing-nav-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
}

.landing-brand img {
  width: 32px;
  height: 32px;
  display: block;
}

.landing-nav-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.btn {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-decoration: none;
  font-family: inherit;
}

.btn:hover {
  background: var(--surface-hover);
  border-color: #8b949e;
}

.btn-primary {
  background: var(--primary);
  border-color: rgba(240, 246, 252, 0.1);
  color: #fff;
}

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

.btn-quiet {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
}

.btn-quiet:hover {
  background: var(--surface);
  border-color: var(--surface-border);
  color: var(--text-main);
}

.btn-lg {
  padding: 11px 18px;
  font-size: 15px;
}

.hero {
  padding: 56px 0 36px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 40px;
  align-items: center;
}

.hero-kicker {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.hero h1 {
  font-size: clamp(2rem, 4.4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.hero-lead {
  color: var(--text-muted);
  font-size: 1.08rem;
  max-width: 36rem;
  margin-bottom: 22px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.hero-note {
  color: var(--text-muted);
  font-size: 13px;
}

.hero-preview {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  color: inherit;
  cursor: pointer;
  display: block;
  overflow: hidden;
  text-decoration: none;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.hero-preview:hover {
  background: var(--surface-hover);
  border-color: #8b949e;
}

.hero-preview-bar {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--surface-border);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
}

.hero-preview-bar span {
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.hero-preview-bar .on {
  color: var(--accent);
  border-color: var(--accent);
}

.hero-preview-row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--surface-border);
  font-size: 13px;
}

.hero-preview-row strong { font-family: var(--font-mono); }

.hero-preview-paper {
  margin: 12px;
  padding: 16px 18px;
  background: #11161d;
  border: 1px solid #3d444d;
  border-radius: 8px;
  color: #c8d1d9;
  font-size: 13px;
}

.hero-preview-paper h3 {
  font-size: 14px;
  margin-bottom: 6px;
  color: #e6edf3;
}

.hero-preview-paper p { color: #9aa4ad; }

.section {
  padding: 28px 0 12px;
}

.section h2 {
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.section-lead {
  color: var(--text-muted);
  max-width: 40rem;
  margin-bottom: 20px;
}

.feature-grid,
.step-grid,
.plan-grid {
  display: grid;
  gap: 14px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.step-card,
.plan-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 10px;
  padding: 18px 18px 16px;
}

.feature-card h3,
.step-card h3,
.plan-card h3 {
  font-size: 1.02rem;
  margin-bottom: 6px;
}

.feature-card p,
.step-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.step-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-num {
  display: inline-block;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.plan-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.plan-card-price {
  font-size: 1.7rem;
  font-weight: 700;
  margin: 4px 0 12px;
}

.plan-card-price span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.plan-card ul {
  padding-left: 1.1rem;
  margin: 0 0 16px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.plan-card li { margin: 5px 0; }

.plan-card li strong { color: var(--text-main); }

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

.faq details {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 10px;
  padding: 12px 16px;
}

.faq summary {
  cursor: pointer;
  font-weight: 650;
}

.faq p {
  color: var(--text-muted);
  margin-top: 8px;
}

.disclaimer {
  color: var(--text-muted);
  font-size: 0.92rem;
  border-top: 1px solid var(--surface-border);
  padding: 28px 0 8px;
  margin-top: 28px;
}

.site-footer {
  margin-top: 24px;
  padding: 18px 0 28px;
  border-top: 1px solid var(--surface-border);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

.site-footer a:hover { color: var(--accent); }

@media (max-width: 860px) {
  .hero,
  .feature-grid,
  .step-grid,
  .plan-grid {
    grid-template-columns: 1fr;
  }

  .hero { padding-top: 32px; }
}