:root {
  --gdch-bg: #0b1120;
  --gdch-bg-card: #1e293b;
  --gdch-text: #f8fafc;
  --gdch-text-muted: #94a3b8;
  --gdch-accent: #d4af37;
  --gdch-accent-hover: #fcd34d;
  --gdch-border: #334155;
  --gdch-font-primary: 'Playfair Display', serif;
  --gdch-font-secondary: 'Inter', sans-serif;
}

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

body {
  background-color: var(--gdch-bg);
  color: var(--gdch-text);
  font-family: var(--gdch-font-secondary);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--gdch-font-primary);
  font-weight: 700;
  color: var(--gdch-accent);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--gdch-accent-hover);
}

.gdch-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.gdch-top-nav {
  padding: 30px 0;
  border-bottom: 1px solid var(--gdch-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gdch-brand-box {
  display: flex;
  align-items: center;
  gap: 20px;
}

.gdch-logo-mark {
  font-family: var(--gdch-font-primary);
  font-size: 32px;
  font-weight: 900;
  color: var(--gdch-bg);
  background: var(--gdch-accent);
  padding: 10px 15px;
  border-radius: 4px;
  letter-spacing: 2px;
}

.gdch-brand-texts h2 {
  font-size: 24px;
  margin-bottom: 2px;
}

.gdch-brand-texts p {
  font-size: 14px;
  color: var(--gdch-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.gdch-age-badge {
  font-family: var(--gdch-font-primary);
  font-size: 20px;
  font-weight: bold;
  border: 2px solid var(--gdch-accent);
  color: var(--gdch-accent);
  padding: 8px 16px;
  border-radius: 50px;
}

/* Hero */
.gdch-showcase {
  padding: 100px 0;
  text-align: center;
}

.gdch-showcase-kicker {
  display: inline-block;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--gdch-accent);
  margin-bottom: 20px;
  border-bottom: 1px solid var(--gdch-accent);
  padding-bottom: 5px;
}

.gdch-showcase-title {
  font-size: 64px;
  margin-bottom: 30px;
  line-height: 1.1;
}

.gdch-showcase-desc {
  font-size: 18px;
  color: var(--gdch-text-muted);
  max-width: 800px;
  margin: 0 auto 60px;
}

.gdch-showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.gdch-info-tile {
  background: var(--gdch-bg-card);
  padding: 30px;
  border: 1px solid var(--gdch-border);
  border-radius: 8px;
  text-align: left;
  border-left: 4px solid var(--gdch-accent);
}

.gdch-info-tile strong {
  display: block;
  font-family: var(--gdch-font-primary);
  font-size: 22px;
  margin-bottom: 10px;
  color: var(--gdch-accent);
}

.gdch-info-tile span {
  color: var(--gdch-text-muted);
  font-size: 16px;
}

/* Sections Common */
.gdch-content-area {
  padding: 80px 0;
  border-top: 1px solid var(--gdch-border);
}

.gdch-section-header {
  text-align: center;
  margin-bottom: 60px;
}

.gdch-section-header h2 {
  font-size: 42px;
  margin-bottom: 20px;
}

.gdch-section-header p {
  font-size: 18px;
  color: var(--gdch-text-muted);
  max-width: 700px;
  margin: 0 auto;
}

.gdch-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.gdch-feature-block {
  background: var(--gdch-bg-card);
  padding: 40px;
  border-radius: 8px;
  border: 1px solid var(--gdch-border);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.gdch-feature-block:hover {
  transform: translateY(-5px);
  border-color: var(--gdch-accent);
}

.gdch-block-kicker {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--gdch-text-muted);
  letter-spacing: 2px;
  margin-bottom: 10px;
  display: block;
}

.gdch-feature-block h3 {
  font-size: 28px;
  margin-bottom: 20px;
}

.gdch-feature-block p {
  color: var(--gdch-text-muted);
  margin-bottom: 25px;
  font-size: 16px;
}

.gdch-feature-list {
  list-style: none;
}

.gdch-feature-list li {
  margin-bottom: 12px;
  padding-left: 25px;
  position: relative;
  font-size: 15px;
  color: var(--gdch-text);
}

.gdch-feature-list li::before {
  content: '♦';
  position: absolute;
  left: 0;
  color: var(--gdch-accent);
  font-size: 14px;
}

/* Footer */
.gdch-bottom-footer {
  border-top: 2px solid var(--gdch-accent);
  background: #060913;
  padding: 80px 0 40px;
  margin-top: 50px;
}

.gdch-footer-slogan {
  text-align: center;
  font-family: var(--gdch-font-primary);
  font-size: 32px;
  color: var(--gdch-accent);
  margin-bottom: 60px;
}

.gdch-footer-layout {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.gdch-footer-col h4 {
  font-size: 20px;
  margin-bottom: 20px;
  color: var(--gdch-text);
}

.gdch-footer-col p {
  color: var(--gdch-text-muted);
  font-size: 14px;
  margin-bottom: 15px;
}

.gdch-contact-lines {
  list-style: none;
}

.gdch-contact-lines li {
  color: var(--gdch-text-muted);
  margin-bottom: 10px;
  font-size: 14px;
}

.gdch-contact-lines strong {
  color: var(--gdch-accent);
  margin-right: 10px;
}

.gdch-footer-nav {
  display: flex;
  justify-content: center;
  gap: 30px;
  border-top: 1px solid var(--gdch-border);
  padding-top: 30px;
}

.gdch-footer-nav a {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 900px) {
  .gdch-footer-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .gdch-top-nav {
    flex-direction: column;
    gap: 20px;
  }
  .gdch-showcase-title {
    font-size: 42px;
  }
}