:root {
  --bg-color: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --accent-gold: #d4af37;
  --accent-rose: #d6b8b1;
  --accent-dark: #1e293b;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
}

h1, h2, h3, h4, h5, .brand-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--accent-dark);
}

.brand-logo {
  letter-spacing: 1px;
  font-size: 1.5rem;
  color: var(--accent-dark) !important;
  text-decoration: none;
}

/* NAVBAR */
.navbar-custom {
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  padding: 1rem 0;
}
.navbar-custom .nav-link {
  color: var(--text-primary);
  font-weight: 500;
  margin: 0 10px;
}
.navbar-custom .nav-link:hover {
  color: var(--accent-gold);
}

/* BUTTONS */
.btn-gold {
  background-color: var(--accent-gold);
  color: #fff;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  padding: 0.75rem 1.5rem;
  transition: all 0.3s ease;
}
.btn-gold:hover {
  background-color: #c5a028;
  color: #fff;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.btn-outline-dark {
  border-radius: 4px;
  font-weight: 600;
}

/* HERO SECTION */
.hero {
  background-color: var(--bg-secondary);
  padding: 5rem 0;
  border-bottom: 1px solid #e5e7eb;
}
.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

/* CARDS */
.certification-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 2rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  height: 100%;
}
.certification-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.05);
  border-color: var(--accent-gold);
}
.certification-card h4 {
  font-size: 1.25rem;
  margin: 1rem 0;
}
.badge-tag {
  display: inline-block;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  letter-spacing: 1px;
}

/* VALIDATE CARD */
.validate-container {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 3rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
  max-width: 600px;
  margin: 4rem auto;
  position: relative;
  overflow: hidden;
}
.validate-container::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--card-color, var(--accent-gold));
}

.status-badge {
  background: #dcfce7;
  color: #166534;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-block;
}

.admin-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 1.5rem;
}