/* Satis Omnibus — Landing Page */

:root {
  --bg: #ffffff;
  --bg2: #f8fafc;
  --bg-dark: #0f172a;
  --bg-dark2: #1e293b;
  --text: #1e293b;
  --text-light: #64748b;
  --text-white: #f1f5f9;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --green: #059669;
  --green-light: #d1fae5;
  --red: #dc2626;
  --border: #e2e8f0;
  --radius: 12px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.3px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}
.nav-links a {
  font-size: 14px;
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }
.nav-btn {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s;
}
.nav-btn.outline {
  color: var(--text);
  border: 1px solid var(--border);
}
.nav-btn.outline:hover { border-color: var(--text); }
.nav-btn.solid {
  background: var(--accent);
  color: #fff;
}
.nav-btn.solid:hover { background: var(--accent-hover); }

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* Hero */
.hero {
  padding: 140px 24px 80px;
  text-align: center;
  background: linear-gradient(180deg, #f0f7ff 0%, #fff 100%);
}
.hero-inner {
  max-width: 720px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--green-light);
  color: var(--green);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  color: var(--text);
}
.hero-sub {
  font-size: 18px;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto 16px;
  line-height: 1.7;
}
.hero-price {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 28px;
}
.hero-price strong {
  color: var(--accent);
  font-size: 20px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 16px;
}
.btn-hero {
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.15s;
  background: var(--accent);
  color: #fff;
  border: 2px solid var(--accent);
}
.btn-hero:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-hero.outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-hero.outline:hover { border-color: var(--text); }
.hero-note {
  font-size: 13px;
  color: var(--text-light);
}

/* Proof bar */
.proof-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}
.proof-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
}
.proof-stat { text-align: center; }
.proof-num {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
}
.proof-label {
  font-size: 12px;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Sections */
.section { padding: 80px 24px; }
.section.dark { background: var(--bg-dark); color: var(--text-white); }
.section.cta { text-align: center; background: linear-gradient(135deg, #1e40af, #2563eb); color: #fff; }
.section-inner { max-width: 1140px; margin: 0 auto; }
.section-inner.narrow { max-width: 740px; }
.section h2 {
  font-size: 36px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
.section-sub {
  text-align: center;
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 48px;
}
.section.dark .section-sub { color: #94a3b8; }
.section.cta .section-sub { color: rgba(255,255,255,0.8); }
.section.cta .btn-hero { margin-top: 8px; background: #fff; color: var(--accent); border-color: #fff; }
.section.cta .btn-hero:hover { background: #f1f5f9; }

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.step {
  text-align: center;
  padding: 32px 24px;
}
.step-num {
  width: 48px; height: 48px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  margin: 0 auto 16px;
}
.step h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.step p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature {
  background: var(--bg-dark2);
  border: 1px solid #334155;
  border-radius: var(--radius);
  padding: 28px;
}
.feature-icon {
  font-size: 28px;
  margin-bottom: 12px;
}
.feature h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: #f1f5f9;
}
.feature p {
  font-size: 13px;
  color: #94a3b8;
  line-height: 1.7;
}

/* Performance */
.perf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 720px;
  margin: 0 auto 24px;
}
.perf-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}
.perf-label {
  font-size: 12px;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.perf-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
}
.perf-value.green { color: var(--green); }
.perf-disclaimer {
  text-align: center;
  font-size: 12px;
  color: var(--text-light);
  font-style: italic;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.price-card {
  background: var(--bg-dark2);
  border: 1px solid #334155;
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}
.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 32px rgba(37,99,235,0.2);
  transform: scale(1.03);
}
.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.price-name {
  font-size: 20px;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 8px;
}
.price-amount {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}
.price-amount span {
  font-size: 16px;
  font-weight: 400;
  color: #94a3b8;
}
.price-desc {
  font-size: 14px;
  color: #94a3b8;
  margin-bottom: 24px;
}
.price-features {
  list-style: none;
  margin-bottom: 28px;
}
.price-features li {
  font-size: 13px;
  color: #cbd5e1;
  padding: 6px 0;
  border-bottom: 1px solid #1e293b;
}
.price-features li::before { content: '\2713  '; color: var(--green); font-weight: 700; }
.price-features li.disabled { color: #475569; }
.price-features li.disabled::before { content: '\2717  '; color: #475569; }
.price-btn {
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.15s;
}
.price-btn.solid {
  background: var(--accent);
  color: #fff;
}
.price-btn.solid:hover { background: var(--accent-hover); }
.price-btn.outline {
  border: 1px solid #475569;
  color: #cbd5e1;
}
.price-btn.outline:hover { border-color: #94a3b8; color: #fff; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq-item summary::after { content: '+'; font-size: 20px; color: var(--text-light); }
.faq-item[open] summary::after { content: '\2212'; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: #94a3b8;
  padding: 48px 24px 0;
}
.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
}
.footer-logo {
  font-size: 18px;
  font-weight: 800;
  color: #f1f5f9;
  margin-bottom: 8px;
}
.footer-small { font-size: 12px; margin-top: 8px; }
.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: #f1f5f9;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: #94a3b8;
  text-decoration: none;
  padding: 3px 0;
}
.footer-col a:hover { color: #cbd5e1; }
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding: 16px 0;
  text-align: center;
  font-size: 12px;
}

/* Mobile */
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px 24px; border-bottom: 1px solid var(--border); gap: 12px; }
  .nav-links.open { display: flex; }
  .nav-mobile-toggle { display: flex; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .steps { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .perf-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .proof-inner { gap: 12px; }
  .proof-num { font-size: 18px; }
}