/* ============================================
   Digital Tarot — Neon Cyberpunk Theme
   ============================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700;900&family=Rajdhani:wght@300;400;500;600;700&display=swap');

/* --- Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --- Root Variables --- */
:root {
  --bg-deep: #050816;
  --bg-dark: #0a0e27;
  --bg-panel: #0d1137;
  --bg-card: #111640;
  --neon-cyan: #00f0ff;
  --neon-pink: #ff00aa;
  --neon-purple: #a855f7;
  --neon-blue: #3b82f6;
  --text-primary: #e8e6f0;
  --text-dim: #8b88a2;
  --text-glow: #c4b5fd;
  --glass-bg: rgba(13, 17, 55, 0.6);
  --glass-border: rgba(0, 240, 255, 0.15);
  --card-width: 220px;
  --card-height: 367px;
  --card-radius: 12px;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Body --- */
body {
  font-family: 'Rajdhani', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Starfield background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(88, 28, 135, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 240, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(255, 0, 170, 0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* --- Utility --- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* --- Navigation --- */
.nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 2rem;
}

.nav a {
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  text-decoration: none;
  transition: var(--transition-smooth);
  padding: 0.5rem 0;
  position: relative;
}

.nav a:hover,
.nav a.active {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--neon-cyan);
  box-shadow: 0 0 8px var(--neon-cyan);
}

.site-title {
  font-family: 'Orbitron', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
  letter-spacing: 3px;
}

/* --- Landing Page --- */
.landing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
  gap: 3rem;
}

.landing-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: 6px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  line-height: 1.2;
}

.landing-subtitle {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-dim);
  letter-spacing: 4px;
  text-transform: uppercase;
}

.landing-actions {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* --- Neon Buttons --- */
.btn {
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1rem 2.5rem;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  background: transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--neon-cyan);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: -1;
}

.btn:hover {
  color: var(--bg-deep);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4), inset 0 0 20px rgba(0, 240, 255, 0.1);
}

.btn:hover::before {
  opacity: 1;
}

.btn--pink {
  border-color: var(--neon-pink);
  color: var(--neon-pink);
}

.btn--pink::before {
  background: var(--neon-pink);
}

.btn--pink:hover {
  box-shadow: 0 0 20px rgba(255, 0, 170, 0.4), inset 0 0 20px rgba(255, 0, 170, 0.1);
}

.btn--purple {
  border-color: var(--neon-purple);
  color: var(--neon-purple);
}

.btn--purple::before {
  background: var(--neon-purple);
}

.btn--purple:hover {
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.4), inset 0 0 20px rgba(168, 85, 247, 0.1);
}

.btn--small {
  font-size: 0.7rem;
  padding: 0.6rem 1.5rem;
}

/* --- Card Styles --- */
.card-scene {
  perspective: 1200px;
  width: var(--card-width);
  height: var(--card-height);
}

.card {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.card.is-flipped {
  transform: rotateY(180deg);
}

.card.is-reversed.is-flipped {
  transform: rotateY(180deg) rotate(180deg);
}

.card__face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow:
    0 0 15px rgba(0, 240, 255, 0.1),
    0 8px 32px rgba(0, 0, 0, 0.5);
}

.card__face img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card__face--back {
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--glass-border);
}

.card__face--front {
  transform: rotateY(180deg);
  border: 1px solid rgba(0, 240, 255, 0.2);
}

/* Card back pattern (CSS fallback if no back.png) */
.card-back-pattern {
  width: 80%;
  height: 80%;
  border: 2px solid var(--neon-cyan);
  border-radius: 8px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(0, 240, 255, 0.03) 10px, rgba(0, 240, 255, 0.03) 20px),
    repeating-linear-gradient(-45deg, transparent, transparent 10px, rgba(255, 0, 170, 0.03) 10px, rgba(255, 0, 170, 0.03) 20px);
}

.card-back-pattern::before {
  content: '✦';
  font-size: 3rem;
  color: var(--neon-cyan);
  text-shadow: 0 0 20px var(--neon-cyan);
}

/* Glow pulse on unflipped cards */
.card:not(.is-flipped) .card__face--back {
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 15px rgba(0, 240, 255, 0.1), 0 8px 32px rgba(0, 0, 0, 0.5); }
  50% { box-shadow: 0 0 25px rgba(0, 240, 255, 0.25), 0 0 50px rgba(0, 240, 255, 0.1), 0 8px 32px rgba(0, 0, 0, 0.5); }
}

/* --- Draw Page --- */
.draw-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 75vh;
  gap: 2rem;
}

.draw-prompt {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeIn 1s ease 0.5s forwards;
}

.card-info {
  text-align: center;
  opacity: 0;
  transition: opacity 0.5s ease;
  max-width: 500px;
}

.card-info.visible {
  opacity: 1;
}

.card-numeral {
  font-family: 'Orbitron', monospace;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--neon-cyan);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.card-name {
  font-family: 'Orbitron', monospace;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.card-reversed-badge {
  font-family: 'Orbitron', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--neon-pink);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  text-shadow: 0 0 10px rgba(255, 0, 170, 0.5);
}

.card-meaning {
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.card-description {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text-dim);
  border-top: 1px solid var(--glass-border);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

.card-keywords {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 1rem;
}

.keyword {
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  color: var(--text-dim);
  background: var(--glass-bg);
}

/* --- Spread Page --- */
.spread-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 80vh;
  gap: 2rem;
  padding-top: 2rem;
}

.spread-cards {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.spread-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.spread-label {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.spread-label--past { color: var(--neon-purple); }
.spread-label--present { color: var(--neon-cyan); }
.spread-label--future { color: var(--neon-pink); }

.spread-meanings {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
  max-width: 900px;
}

.spread-meaning {
  flex: 1;
  min-width: 250px;
  text-align: center;
  opacity: 0;
  transition: opacity 0.5s ease;
  padding: 1.5rem;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
}

.spread-meaning.visible {
  opacity: 1;
}

/* --- Gallery Page --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.5rem;
  padding: 1rem 0 3rem;
}

.gallery-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.gallery-item:hover {
  transform: translateY(-4px);
}

.gallery-item .card-scene {
  width: 180px;
  height: 300px;
}

.gallery-item .card {
  cursor: pointer;
}

.gallery-item .card__face--front {
  transform: none;
}

.gallery-item .card__face img {
  border-radius: var(--card-radius);
}

.gallery-item-name {
  font-family: 'Orbitron', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: center;
}

.gallery-item-numeral {
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  color: var(--neon-cyan);
  letter-spacing: 2px;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 22, 0.9);
  backdrop-filter: blur(10px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 2rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.modal-close:hover {
  color: var(--neon-pink);
  background: rgba(255, 0, 170, 0.1);
}

.modal-card-image {
  width: 200px;
  height: 333px;
  object-fit: cover;
  border-radius: var(--card-radius);
  margin: 0 auto 1.5rem;
  display: block;
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.15);
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.slide-up {
  animation: slideUp 0.8s ease forwards;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 240, 255, 0.2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 240, 255, 0.4);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --card-width: 180px;
    --card-height: 300px;
  }

  .nav {
    gap: 1rem;
    flex-wrap: wrap;
  }

  .nav a {
    font-size: 0.65rem;
    letter-spacing: 1px;
  }

  .landing-actions {
    flex-direction: column;
    width: 100%;
    padding: 0 2rem;
  }

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

  .spread-cards {
    gap: 1rem;
  }

  .spread-slot .card-scene {
    width: 140px;
    height: 233px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .gallery-item .card-scene {
    width: 140px;
    height: 233px;
  }

  .card-name {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .spread-cards {
    flex-direction: column;
    align-items: center;
  }

  .spread-slot .card-scene {
    width: 160px;
    height: 267px;
  }
}

/* --- Placeholder card image (CSS gradient) --- */
.card-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-card) 0%, #1a1145 50%, var(--bg-card) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-align: center;
  padding: 1rem;
}