/* ============================================
   AURUM — Landing Page Styles
============================================ */

/* --- Hero --- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: var(--space-16) 0;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-eyebrow {
  display: flex;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 10vw, 4rem);
  font-weight: var(--weight-light);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.hero-title em {
  font-style: italic;
  color: var(--color-gold);
}

.hero-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 380px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2);
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--color-border);
}

/* --- Section base --- */
.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-8);
}

.section-eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-2);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-light);
  color: var(--color-text);
}

/* --- Live dot --- */
.live-dot {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-success);
  padding-top: var(--space-2);
}

.live-pulse {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  animation: pulse 2s ease infinite;
  flex-shrink: 0;
}

/* --- Leaderboard section --- */
.leaderboard-section {
  padding: var(--space-16) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.board-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-4);
  overflow-x: auto;
}

.board-tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  background: none;
  border: none;
}

.board-tab.active {
  color: var(--color-gold);
  background: var(--color-gold-glow);
}

.board-tab:hover:not(.active) {
  color: var(--color-text);
}

/* --- Leaderboard items --- */
.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.lb-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base);
}

.lb-item:hover {
  border-color: var(--color-border-gold);
}

.lb-item-top {
  border-color: var(--color-border-gold);
  background: linear-gradient(135deg, var(--color-surface-2), rgba(201,168,76,0.03));
}

.lb-rank {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  width: 28px;
  text-align: center;
  flex-shrink: 0;
}

.lb-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.lb-name {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lb-verified {
  color: var(--color-gold);
  font-size: var(--text-xs);
}

.lb-score {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
}

.lb-value {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  color: var(--color-text);
}

.lb-score-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Skeleton */
.lb-skeleton {
  height: 72px;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    90deg,
    var(--color-surface-2) 25%,
    var(--color-surface-3) 50%,
    var(--color-surface-2) 75%
  );
  background-size: 200% 100%;
  animation: skeletonPulse 1.5s ease infinite;
}

/* Join CTA */
.lb-cta {
  text-align: center;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.lb-cta p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --- How it works --- */
.how-section {
  padding: var(--space-16) 0;
}

.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.how-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition-base);
}

.how-card:hover {
  border-color: var(--color-border-gold);
}

.how-number {
  font-size: var(--text-sm);
  color: var(--color-gold);
  font-weight: var(--weight-medium);
}

.how-card h4 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-light);
  color: var(--color-text);
}

.how-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Tiers --- */
.tiers-section {
  padding: var(--space-16) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.tiers-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.tier-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
}

.tier-card-featured {
  border-color: var(--color-border-gold);
  box-shadow: var(--shadow-gold);
}

.tier-badge {
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gold);
  color: #0A0A0A;
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.tier-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.tier-price {
  font-size: var(--text-4xl);
  color: var(--color-text);
  line-height: 1;
}

.tier-price span {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

.tier-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.tier-features li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
}

.tier-features li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-size: 10px;
  top: 3px;
}

/* --- Footer --- */
.landing-footer {
  padding: var(--space-10) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-4);
}

.footer-links a {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  transition: color var(--transition-base);
}

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