/* 99Pages - Light Theme Professional SaaS */

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

:root {
  --bg: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --bg-hover: #f1f5f9;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #eef2ff;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 18px;
  font-weight: 700;
}

.logo-mark {
  color: var(--primary);
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.2s;
  font-weight: 500;
}

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

.header-actions {
  display: flex;
  gap: 12px;
}

.btn-ghost {
  padding: 8px 16px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  font-weight: 500;
}

.btn-ghost:hover { color: var(--text); }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-outline:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.btn-lg { padding: 14px 28px; font-size: 16px; }

.mobile-menu {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--bg) 100%);
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.hero-badge:hover {
  border-color: var(--primary);
  color: var(--text);
}

.badge-new {
  padding: 2px 8px;
  background: var(--primary);
  color: #fff;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}

.hero-title {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.stat { text-align: center; }

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

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

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* Logos */
.logos-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

.logos-label {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.logos-grid {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.logo-item {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

.section-header p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Products */
.products-section {
  padding: 100px 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  display: block;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s;
  position: relative;
  box-shadow: var(--shadow);
}

.product-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-card.featured {
  border-color: var(--primary);
}

.product-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary);
}

.product-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 12px;
}

.product-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.product-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.product-features {
  list-style: none;
  margin-bottom: 16px;
}

.product-features li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 0;
}

.product-features li::before {
  content: "✓ ";
  color: var(--success);
  font-weight: 600;
}

.product-link {
  font-size: 14px;
  color: var(--primary);
  font-weight: 500;
}

/* Features */
.features-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.2s;
  box-shadow: var(--shadow);
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* AEO Section */
.aeo-section {
  padding: 100px 0;
}

.aeo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 700px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.aeo-content h2 {
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--text);
}

.aeo-content p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.aeo-input-group {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.aeo-input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
}

.aeo-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.aeo-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.aeo-tags span {
  padding: 4px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-muted);
}

/* Pricing */
.pricing-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.price-card {
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  transition: all 0.2s;
  box-shadow: var(--shadow);
}

.price-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.price-card.popular {
  border-color: var(--primary);
  transform: scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--primary);
  color: #fff;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

.price-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.price-value {
  font-size: 48px;
  font-weight: 800;
  color: var(--text);
}

.price-period {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.price-features {
  list-style: none;
  margin-bottom: 24px;
  text-align: left;
}

.price-features li {
  padding: 8px 0;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.price-features li.included { color: var(--text); }
.price-features li.included::before { content: "✓ "; color: var(--success); font-weight: 600; }
.price-features li.excluded { color: var(--text-muted); }
.price-features li.excluded::before { content: "✗ "; color: var(--text-muted); }

/* Social */
.social-section {
  padding: 100px 0;
}

.social-preview {
  max-width: 600px;
  margin: 0 auto;
}

.social-post {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.post-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
  color: #fff;
}

.post-content { flex: 1; }

.post-header {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.post-name { font-weight: 600; font-size: 14px; color: var(--text); }
.post-handle { color: var(--text-muted); font-size: 13px; }
.post-time { color: var(--text-muted); font-size: 12px; }

.post-content p {
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.post-stats {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-muted);
}

/* CTA */
.cta-section {
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg) 100%);
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

.cta-section p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* Footer */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-col p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--primary); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--primary); }

/* Responsive */
@media (max-width: 768px) {
  .nav, .header-actions { display: none; }
  .mobile-menu { display: block; }
  .hero-title { font-size: 36px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .stat-divider { display: none; }
  .products-grid, .pricing-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .price-card.popular { transform: none; }
}