/* SFR Analytics API - Landing Page Styles */

:root {
  --primary: #6B5DE3;
  --primary-dark: #5648C4;
  --primary-light: #8B7EEB;
  --secondary: #000085;
  --text: #1a1a2e;
  --text-muted: #6b7280;
  --bg: #ffffff;
  --bg-alt: #f9fafb;
  --border: #e5e7eb;
  --code-bg: #1e1e2e;
  --code-text: #cdd6f4;
  --success: #22c55e;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

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

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

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

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 16px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 40px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

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

.btn-secondary {
  background: var(--bg-alt);
  color: var(--text);
  border: 1px solid var(--border);
}

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

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

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 24px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 16px;
}

.hero-description {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 32px;
}

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

/* Sections */
section {
  padding: 80px 0;
}

section h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 48px;
}

/* Quickstart Section */
.quickstart {
  background: var(--bg-alt);
}

.code-block {
  background: var(--code-bg);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-weight: 500;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.copy-btn.copied {
  background: var(--success);
  color: white;
}

.code-block pre {
  padding: 20px;
  overflow-x: auto;
  margin: 0;
}

.code-block code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: var(--code-text);
}

/* Features Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  border-radius: 12px;
  margin-bottom: 20px;
  color: white;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.feature-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

/* LLM Section */
.llm-section {
  background: var(--bg-alt);
}

.llm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.llm-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border);
}

.llm-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.llm-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.llm-card p {
  font-size: 14px;
  color: var(--text-muted);
}

.llm-card a {
  color: var(--primary);
  text-decoration: underline;
}

/* CTA Section */
.cta-section {
  text-align: center;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  color: white;
}

.cta-section h2 {
  color: white;
}

.cta-section p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
}

.cta-section .btn-primary {
  background: white;
  color: var(--primary);
}

.cta-section .btn-primary:hover {
  background: var(--bg-alt);
}

/* Footer */
.footer {
  background: var(--text);
  color: white;
  padding: 60px 0 24px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand img {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  opacity: 0.7;
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.5;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: white;
  text-decoration: none;
  opacity: 0.8;
  margin-bottom: 12px;
  transition: opacity 0.2s;
}

.footer-col a:hover {
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 14px;
  opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-description {
    font-size: 16px;
  }

  section {
    padding: 48px 0;
  }

  section h2 {
    font-size: 24px;
  }

  .nav-links {
    display: none;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    gap: 32px;
  }
}