/* Landing page (index.html) styles */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 0.5px solid var(--line-1);
}
@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(9, 9, 11, 0.88); }
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 17px;
  color: var(--text-1);
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--rose);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
}
.nav-actions { display: inline-flex; gap: 8px; }

.hero { padding: 80px 0 60px; }
.hero h1 {
  margin-bottom: 16px;
  font-size: clamp(28px, 6vw, 44px);
  letter-spacing: -0.03em;
}
.hero p.lead {
  margin-bottom: 32px;
  font-size: 17px;
  color: var(--text-2);
  max-width: 640px;
  line-height: 1.6;
}
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.subtext {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-3);
}

.features {
  padding: 60px 0;
  border-top: 0.5px solid var(--line-1);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.feature h3 { margin-bottom: 8px; font-size: 17px; }
.feature p { color: var(--text-2); font-size: 14px; }
.feature .kicker {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  background: var(--surface-3);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-2);
}

.steps { padding: 60px 0; border-top: 0.5px solid var(--line-1); }
.steps ol {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}
.steps li {
  padding: 20px 24px;
  border: 0.5px solid var(--line-1);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}
.steps li strong { display: block; margin-bottom: 6px; font-size: 15px; }
.steps li span { color: var(--text-2); font-size: 14px; }

.faq { padding: 60px 0; border-top: 0.5px solid var(--line-1); }
.faq details {
  padding: 16px 0;
  border-bottom: 0.5px solid var(--line-2);
}
.faq summary {
  cursor: pointer;
  font-weight: 500;
  font-size: 15px;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; float: right; color: var(--text-3); }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin-top: 10px; color: var(--text-2); font-size: 14px; }

.final-cta {
  padding: 80px 0;
  text-align: center;
  background: var(--surface-2);
  border-top: 0.5px solid var(--line-1);
}
.final-cta h2 { margin-bottom: 24px; }

.site-footer {
  padding: 32px 0;
  border-top: 0.5px solid var(--line-1);
  font-size: 13px;
  color: var(--text-3);
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer a { color: var(--text-3); }
.site-footer a:hover { color: var(--rose); }