/* BGB Formation - Design System SEO Pages */
/* v1.0 - Dec 2025 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Sora:wght@600;700;800&display=swap');

:root {
  /* Brand Colors */
  --primary: #0d9488;
  --primary-dark: #0d4d4a;
  --primary-light: #14b8a6;
  --accent: #22c55e;
  --accent-light: #4ade80;

  /* Neutrals */
  --bg: #ffffff;
  --bg-muted: #f0fdfa;
  --bg-card: #ffffff;
  --text: #1a1f2c;
  --text-muted: #64748b;
  --border: #e2e8f0;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #f0fdfa 0%, #ecfeff 50%, #f0fdf4 100%);
  --gradient-primary: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
  --gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);

  /* Spacing */
  --radius: 12px;
  --radius-lg: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--primary-dark);
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--gradient-primary);
  color: white;
  padding: 0.625rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
  background: var(--gradient-hero);
  padding: 4rem 1.5rem 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 150%;
  background: radial-gradient(circle, rgba(13,148,136,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--primary);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

h1 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 1rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero-intro {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 700px;
  margin-bottom: 2rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.badge-icon {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

.badge-success {
  background: #dcfce7;
  border-color: #bbf7d0;
  color: #166534;
}

.badge-primary {
  background: var(--bg-muted);
  border-color: #99f6e4;
  color: var(--primary-dark);
}

/* Hero Image */
.hero-image {
  margin-top: 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 400px;
}

/* Main Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Content Sections */
.content {
  padding: 4rem 1.5rem;
}

.content-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
}

.main-content {
  min-width: 0;
}

/* Typography */
h2 {
  font-family: 'Sora', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin: 2.5rem 0 1rem;
  line-height: 1.3;
}

h2:first-child {
  margin-top: 0;
}

h3 {
  font-family: 'Sora', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin: 2rem 0 0.75rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

strong {
  color: var(--text);
  font-weight: 600;
}

/* Lists */
ul, ol {
  margin: 1rem 0 1.5rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

li::marker {
  color: var(--primary);
}

/* Feature Cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-muted);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.feature-card h4 {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9375rem;
  margin: 0;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-card h4 {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--primary-dark);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.cta-card {
  background: var(--gradient-primary);
  color: white;
  text-align: center;
}

.cta-card h4 {
  color: white;
  border-bottom-color: rgba(255,255,255,0.2);
}

.cta-card p {
  color: rgba(255,255,255,0.9);
  margin-bottom: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-white:hover {
  background: #f8fafc;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

.btn-full {
  width: 100%;
}

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9375rem;
}

.contact-item:hover {
  color: var(--primary);
}

.contact-icon {
  width: 36px;
  height: 36px;
  background: var(--bg-muted);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

/* Related Links */
.related-section {
  background: var(--bg-muted);
  padding: 3rem 1.5rem;
  margin-top: 3rem;
}

.related-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.related-section h3 {
  font-family: 'Sora', sans-serif;
  font-size: 1.5rem;
  color: var(--primary-dark);
  margin-bottom: 1.5rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.related-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: all 0.2s;
}

.related-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateX(4px);
}

.related-link svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

/* Blockquote */
blockquote {
  background: var(--bg-muted);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.5rem;
  margin: 2rem 0;
}

blockquote p {
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--text);
  margin-bottom: 0.75rem;
}

blockquote cite {
  font-style: normal;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Images */
.content-image {
  margin: 2rem 0;
  text-align: center;
}

.content-image img {
  width: 100%;
  max-width: 700px;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.content-image figcaption {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* Footer */
.footer {
  background: var(--primary-dark);
  color: white;
  padding: 4rem 1.5rem 2rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
}

.footer-brand {
  grid-column: span 2;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: rgba(255,255,255,0.7);
  font-size: 0.9375rem;
  max-width: 300px;
}

.footer-links h5 {
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
}

.footer-bottom a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: white;
}

/* Trust Badges */
.trust-badges {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 2rem 0;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.trust-badge svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 2rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin: 2rem 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: 'Sora', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .content-inner {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 2.5rem 1rem 2rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .nav-links {
    display: none;
  }

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

  .footer-brand {
    grid-column: span 1;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .stats-grid {
    padding: 1.5rem;
    gap: 1rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .hero-badges {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .trust-badges {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Print styles */
@media print {
  .header, .footer, .sidebar, .related-section, .nav-cta {
    display: none;
  }

  .content-inner {
    grid-template-columns: 1fr;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeIn 0.5s ease-out forwards;
}

/* Icon placeholders (using CSS for simple icons) */
.icon-check::before { content: "✓"; color: var(--accent); }
.icon-arrow::before { content: "→"; }
.icon-phone::before { content: "📞"; }
.icon-mail::before { content: "✉"; }
.icon-location::before { content: "📍"; }