/* ===================================================================
   GRIOT CHAIN — Landing Page Stylesheet
   AfroPics + Heritage Chain
   Pan-African Design System: Black, Gold, UNIA Red/Green
   =================================================================== */

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --gold: #d4af37;
  --gold-bright: #ffd700;
  --red: #cc0000;
  --green: #007a33;
  --text-primary: #f0f0f0;
  --text-secondary: #b0b0b0;
  --text-muted: #707070;
  --border: #2a2a2a;
  --radius: 8px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Montserrat', sans-serif;
  line-height: 1.7;
  font-size: 16px;
}

/* ===== KENTE BORDER ===== */
.kente-border {
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    var(--red) 0px,
    var(--red) 20px,
    #000 20px,
    #000 40px,
    var(--green) 40px,
    var(--green) 60px,
    #000 60px,
    #000 80px,
    var(--gold) 80px,
    var(--gold) 100px,
    #000 100px,
    #000 120px
  );
}

/* ===== NAV ===== */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.nav-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  letter-spacing: 0.05em;
}

/* ===== HERO ===== */
.hero {
  padding: 100px 40px 80px;
  text-align: center;
  background: radial-gradient(ellipse at top, #1a1200 0%, var(--bg-primary) 70%);
  border-bottom: 1px solid var(--border);
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.platform-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.badge {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-photos {
  background-color: rgba(212, 175, 55, 0.15);
  border: 1px solid var(--gold);
  color: var(--gold);
}

.badge-heritage {
  background-color: rgba(0, 122, 51, 0.15);
  border: 1px solid var(--green);
  color: #00cc44;
}

.hero-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.hero-subtitle {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 32px;
  font-style: italic;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 48px;
  line-height: 1.8;
}

.cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 16px 36px;
  border-radius: var(--radius);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background-color: var(--gold);
  color: #000;
}

.btn-primary:hover {
  background-color: var(--gold-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.35);
}

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

.btn-secondary:hover {
  background-color: rgba(212, 175, 55, 0.1);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  text-align: center;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== SECTION TITLES ===== */
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--gold);
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 48px;
}

/* ===== VALUE CARDS ===== */
.value-section {
  padding: 80px 0;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.value-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(212, 175, 55, 0.15);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.value-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.value-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.value-card strong {
  color: var(--gold);
}

/* ===== WAITLIST FORM ===== */
.waitlist-section {
  padding: 80px 0;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border);
}

.waitlist-form {
  max-width: 680px;
  margin: 0 auto;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 24px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  padding: 14px 16px;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

.form-group select option {
  background-color: var(--bg-card);
}

.form-group textarea {
  resize: vertical;
}

.error-msg {
  color: var(--red);
  font-size: 0.8rem;
  margin-top: 4px;
  min-height: 18px;
}

.form-message {
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  font-weight: 600;
  text-align: center;
}

.form-message.success {
  background-color: rgba(0, 122, 51, 0.2);
  border: 1px solid var(--green);
  color: #00cc44;
}

.form-message.error {
  background-color: rgba(204, 0, 0, 0.2);
  border: 1px solid var(--red);
  color: #ff4444;
}

.hidden {
  display: none !important;
}

/* ===== LOADER ===== */
.loader {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== STATS ===== */
.stats-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #0d0a00 0%, #0a0a0a 100%);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 40px;
  text-align: center;
}

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--gold);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== QUOTE ===== */
.quote-section {
  padding: 80px 0;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

blockquote {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

blockquote p {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.8;
  margin-bottom: 24px;
  padding: 0 20px;
}

blockquote cite {
  font-size: 0.9rem;
  color: var(--gold);
  font-style: normal;
  font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 0 40px;
  background-color: var(--bg-primary);
  text-align: center;
}

.footer-brand {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer-motto {
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--gold);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer-legal {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    padding: 16px 20px;
  }

  .hero {
    padding: 60px 20px 50px;
  }

  .container {
    padding: 0 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .waitlist-form {
    padding: 28px 20px;
  }

  .cta-group {
    flex-direction: column;
    align-items: center;
  }

  .platform-badges {
    flex-direction: column;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-content {
    animation: none;
  }
  * {
    transition: none !important;
  }
}