/* ===== Sweet 16 Page Styles ===== */

/* Nav bar */
.s16-nav {
  background: rgba(7,16,39,0.95);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}
.s16-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0;
  padding-bottom: 0;
}
.s16-nav-back {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color .15s;
}
.s16-nav-back:hover { color: #e6eef6; }
.s16-nav-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* Hero */
.s16-hero {
  position: relative;
  padding: 72px 0 56px;
  overflow: hidden;
  text-align: center;
}
.s16-hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(225,29,72,0.18) 0%, transparent 65%),
              linear-gradient(180deg, #0a0f1e 0%, #0b1220 100%);
  z-index: 0;
}
.s16-hero-content {
  position: relative;
  z-index: 1;
}
.s16-year-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .15em;
  padding: 5px 18px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.s16-hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  margin: 0 0 14px;
  letter-spacing: -.02em;
  line-height: 1.1;
}
.s16-tagline {
  color: var(--muted);
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.6;
}
.s16-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.s16-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.s16-stat-num {
  font-size: 36px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}
.s16-stat-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* Main layout */
.s16-main { padding-bottom: 60px; }

.s16-intro {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

/* Cards grid */
.s16-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 280px);
  justify-content: center;
  gap: 20px;
  margin-bottom: 48px;
}

.s16-card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .2s, transform .2s;
  position: relative;
}
.s16-card:hover {
  border-color: rgba(225,29,72,0.3);
  transform: translateY(-3px);
}

.s16-card-num {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0,0,0,0.55);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: .06em;
  z-index: 2;
}

/* Card image — Sweet16Cars.png sprite sheet (4x4 grid)
   background-size: 400% 400% = 4 cols × 4 rows, scale-independent.
   background-position uses % pairs: col=(0|33.33|66.67|100)% row=(0|33.33|66.67|100)%
   This ensures exactly one car shows regardless of card width. */
.s16-card-img-wrap {
  width: 100%;
  aspect-ratio: 264.75 / 118;
  overflow: hidden;
  background-image: url(../RedlineImages/Sweet16Cars.png);
  background-size: 400% 400%;
  background-repeat: no-repeat;
}

/* Card body */
.s16-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.s16-car-name {
  font-size: 18px;
  font-weight: 800;
  margin: 0;
  color: #e6eef6;
  line-height: 1.2;
}
.s16-designer {
  font-size: 12px;
  color: var(--accent);
  margin: 0;
  font-weight: 600;
  letter-spacing: .03em;
}

/* Color swatches */
.s16-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.swatch {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  cursor: default;
  flex-shrink: 0;
}
.swatch:hover { transform: scale(1.3); transition: transform .1s; }

/* Rarity */
.s16-rarity {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.s16-rarity-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.s16-stars {
  color: #c9a227;
  font-size: 14px;
  letter-spacing: 1px;
}
.s16-stars-special { color: var(--accent); }
.s16-rarity-note {
  font-size: 11px;
  color: var(--muted);
  font-style: italic;
}

/* Collector note */
.s16-note {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  line-height: 1.55;
  border-top: 1px solid rgba(255,255,255,0.04);
  padding-top: 10px;
}

/* Rarity legend */
.s16-legend {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 12px;
  padding: 24px 28px;
  margin-bottom: 32px;
}
.s16-legend h3 {
  margin: 0 0 16px;
  font-size: 16px;
  color: #e6eef6;
}
.s16-legend-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin-bottom: 14px;
}
.s16-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}
.s16-legend-note {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
  opacity: .75;
}

/* CTA bar */
.s16-cta-bar {
  background: linear-gradient(135deg, #1a0a00 0%, #2d1200 100%);
  border: 1px solid rgba(241,100,30,0.3);
  border-radius: 12px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.s16-cta-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.s16-cta-text strong {
  font-size: 17px;
  color: #e6eef6;
}
.s16-cta-text span {
  font-size: 14px;
  color: var(--muted);
}
.s16-cta-btn {
  background: #f1641e;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 10px;
  white-space: nowrap;
  transition: opacity .15s;
  flex-shrink: 0;
}
.s16-cta-btn:hover { opacity: .85; color: #fff; }

/* Color Guide button */
.s16-color-guide-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 10px 20px;
  color: #e6eef6;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.s16-color-guide-btn:hover {
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.06);
}
.s16-color-dots {
  display: flex;
  gap: 4px;
}
.s16-color-dots span {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
}

/* Color Guide Modal */
.s16-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(2,6,23,0.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backdrop-filter: blur(4px);
}
.s16-modal-overlay.open { display: flex; }
.s16-modal {
  background: #0b1220;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  max-width: 90vw;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
}
.s16-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}
.s16-modal-header h3 {
  margin: 0;
  font-size: 16px;
  color: #e6eef6;
}
.s16-modal-close {
  background: rgba(255,255,255,0.06);
  border: none;
  color: var(--muted);
  font-size: 20px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s;
}
.s16-modal-close:hover { background: rgba(255,255,255,0.12); color: #e6eef6; }
.s16-modal-body {
  overflow: auto;
  padding: 16px;
}
.s16-modal-body img {
  display: block;
  max-width: 100%;
  border-radius: 8px;
}

/* Responsive */
@media (max-width: 600px) {
  .s16-hero { padding: 48px 0 36px; }
  .s16-stats { gap: 28px; }
  .s16-stat-num { font-size: 28px; }
  .s16-grid { grid-template-columns: 1fr; }
  .s16-cta-bar { flex-direction: column; align-items: flex-start; }
  .s16-legend { padding: 18px; }
}