/* ================================
   Design Tokens (shared with main app)
   ================================ */
:root {
  --color-bg: #0a0a1a;
  --color-bg-gradient: linear-gradient(135deg, #0a0a1a 0%, #1a1a3a 50%, #0a1a2a 100%);
  --color-surface: #151530;
  --color-surface-elevated: #1f1f45;
  --color-text: #ffffff;
  --color-text-muted: #a0a0c0;
  --color-text-dim: #606080;
  --color-primary: #ffd700;
  --color-primary-glow: rgba(255, 215, 0, 0.4);
  --color-danger: #ff4444;
  --color-success: #44ff88;
  --color-warning: #ffaa00;
  --color-common: #b0b0b0;
  --color-uncommon: #44dd44;
  --color-rare: #4488ff;
  --color-legendary: #ff44ff;
  --card-bg: linear-gradient(145deg, #1a1a3a 0%, #252550 100%);
  --card-border: #3a3a6a;
  --card-gold: linear-gradient(135deg, #ffd700 0%, #ffaa00 50%, #ffd700 100%);
  --font-display: 'Russo One', sans-serif;
  --font-body: 'Nunito', sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--color-primary-glow);
}

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

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ================================
   Section base
   ================================ */
.section {
  padding: 80px 24px;
  position: relative;
}

.section-inner {
  max-width: 960px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5vw, 2.25rem);
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 48px;
  text-shadow: 0 0 10px var(--color-primary-glow);
  letter-spacing: 1px;
}

/* Scroll-triggered fade-in */
.section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================
   HERO
   ================================ */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--color-bg-gradient);
  overflow: hidden;
  /* Hero is always visible */
  opacity: 1;
  transform: none;
}

.hero-content {
  text-align: center;
  padding: 24px;
  position: relative;
  z-index: 2;
}

/* Hero logo (claw marks) */
.hero-logo svg {
  width: 80px;
  height: 95px;
  margin: 0 auto 24px;
  filter: drop-shadow(0 0 15px var(--color-primary-glow));
}

.hero-logo svg path {
  stroke-dasharray: 140;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 8vw, 4rem);
  color: var(--color-primary);
  text-shadow: 0 0 20px var(--color-primary-glow),
               0 0 60px rgba(255, 215, 0, 0.2),
               0 2px 4px rgba(0, 0, 0, 0.5);
  letter-spacing: 2px;
  margin-bottom: 16px;
  line-height: 1.1;
}

.hero-tagline {
  font-size: clamp(1rem, 3.5vw, 1.35rem);
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto 32px;
  font-weight: 600;
}

.hero-tagline strong {
  color: var(--color-text);
}

.hero-subtext {
  font-size: clamp(0.8rem, 2.5vw, 0.95rem);
  color: var(--color-text-dim);
  margin-top: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Background silhouettes */
.hero-bg-silhouettes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.silhouette {
  position: absolute;
  color: var(--color-text);
  opacity: 0.04;
}

.silhouette-shark {
  width: 180px;
  top: 15%;
  right: 5%;
  transform: rotate(-10deg);
  animation: float-slow 8s ease-in-out infinite;
}

.silhouette-snake {
  width: 160px;
  bottom: 20%;
  left: 3%;
  transform: rotate(5deg);
  animation: float-slow 10s ease-in-out infinite 2s;
}

.silhouette-lion {
  width: 140px;
  top: 60%;
  right: 8%;
  animation: float-slow 9s ease-in-out infinite 1s;
}

.silhouette-frog {
  width: 100px;
  top: 10%;
  left: 8%;
  transform: rotate(-5deg);
  animation: float-slow 7s ease-in-out infinite 3s;
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* Paw print decorations */
.paw-prints {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.paw {
  position: absolute;
  color: var(--color-primary);
  opacity: 0.03;
}

.paw-1 { width: 35px; top: 12%; left: 20%; transform: rotate(-25deg); }
.paw-2 { width: 28px; top: 45%; right: 15%; transform: rotate(15deg); }
.paw-3 { width: 40px; bottom: 15%; left: 10%; transform: rotate(-40deg); }
.paw-4 { width: 22px; top: 70%; left: 50%; transform: rotate(30deg); }
.paw-5 { width: 32px; bottom: 30%; right: 25%; transform: rotate(-10deg); }

/* ================================
   CTA BUTTONS
   ================================ */
.cta-btn {
  display: inline-block;
  padding: 16px 48px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 3vw, 1.2rem);
  letter-spacing: 1px;
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-transform: uppercase;
}

.cta-primary {
  background: var(--card-gold);
  color: #000;
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4),
              0 0 40px rgba(255, 215, 0, 0.15);
}

.cta-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5),
              0 0 60px rgba(255, 215, 0, 0.2);
}

.cta-primary:active {
  transform: translateY(0) scale(0.98);
}

.cta-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  padding: 12px 36px;
  font-size: clamp(0.85rem, 2.5vw, 1rem);
}

.cta-secondary:hover {
  background: var(--color-primary);
  color: #000;
  transform: translateY(-2px);
}

/* ================================
   STORY
   ================================ */
.story {
  background: var(--color-surface);
}

.story-icon {
  text-align: center;
  margin-bottom: 32px;
}

.story-icon svg {
  width: 80px;
  height: 70px;
  margin: 0 auto;
}

.story-text {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.story-text p {
  font-size: clamp(1rem, 3vw, 1.15rem);
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.8;
}

.story-emphasis {
  color: var(--color-primary) !important;
  font-weight: 700;
  font-size: clamp(1.05rem, 3.2vw, 1.2rem) !important;
}

/* ================================
   THREE WAYS TO PLAY
   ================================ */
.modes {
  background: var(--color-bg-gradient);
}

.modes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.mode-card {
  background: var(--color-surface);
  border: 2px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s ease;
}

.mode-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3),
              0 0 15px var(--color-primary-glow);
}

.mode-icon {
  margin-bottom: 20px;
}

.mode-icon svg {
  width: 64px;
  height: 64px;
  margin: 0 auto;
}

.mode-name {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3.5vw, 1.35rem);
  color: var(--color-primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.mode-desc {
  font-size: clamp(0.9rem, 2.8vw, 1rem);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ================================
   MEET THE ANIMALS (card fan)
   ================================ */
.preview {
  background: var(--color-surface);
  overflow: hidden;
}

.card-fan {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 0;
  margin-bottom: 48px;
  position: relative;
  min-height: 280px;
  padding: 0 16px;
}

.preview-card {
  width: clamp(140px, 28vw, 200px);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.preview-card-inner {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--card-border);
  background: var(--card-bg);
  position: relative;
}

.preview-card-inner.legendary {
  border-color: var(--color-legendary);
  box-shadow: 0 0 15px rgba(255, 68, 255, 0.3);
}

.preview-card-inner.rare {
  border-color: var(--color-rare);
  box-shadow: 0 0 15px rgba(68, 136, 255, 0.3);
}

.preview-card-inner.uncommon {
  border-color: var(--color-uncommon);
  box-shadow: 0 0 15px rgba(68, 221, 68, 0.3);
}

.preview-rarity {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  z-index: 2;
}

.legendary .preview-rarity {
  background: var(--color-legendary);
  color: #fff;
}

.rare .preview-rarity {
  background: var(--color-rare);
  color: #fff;
}

.uncommon .preview-rarity {
  background: var(--color-uncommon);
  color: #000;
}

.preview-photo {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-surface);
}

.preview-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: var(--color-surface-elevated);
}

.preview-name {
  font-family: var(--font-display);
  font-size: clamp(0.7rem, 2vw, 0.9rem);
  color: var(--color-text);
  padding: 10px 10px 2px;
  text-align: center;
}

.preview-epithet {
  font-size: clamp(0.6rem, 1.6vw, 0.75rem);
  color: var(--color-text-dim);
  padding: 0 10px 10px;
  text-align: center;
  font-style: italic;
}

/* Fan layout */
.preview-card-left {
  transform: rotate(-8deg) translateY(10px);
  z-index: 1;
  margin-right: -20px;
}

.preview-card-center {
  transform: translateY(-10px);
  z-index: 3;
  position: relative;
}

.preview-card-right {
  transform: rotate(8deg) translateY(10px);
  z-index: 1;
  margin-left: -20px;
}

.preview-card-center:hover {
  transform: translateY(-18px) scale(1.02);
}

.preview-card-left:hover {
  transform: rotate(-5deg) translateY(2px) scale(1.02);
}

.preview-card-right:hover {
  transform: rotate(5deg) translateY(2px) scale(1.02);
}

/* Category row */
.category-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.category-icon {
  font-size: 1.6rem;
  background: var(--color-surface-elevated);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--card-border);
  transition: all 0.3s ease;
  cursor: default;
}

.category-icon:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: 0 0 10px var(--color-primary-glow);
}

/* ================================
   FEATURES STRIP
   ================================ */
.features {
  background: var(--color-bg-gradient);
  padding: 48px 24px;
}

.features-strip {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  max-width: 960px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(0.8rem, 2.5vw, 0.95rem);
  color: var(--color-text-muted);
  font-weight: 600;
  white-space: nowrap;
}

.feature-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

/* ================================
   FOOTER
   ================================ */
.footer {
  background: var(--color-surface);
  border-top: 2px solid var(--card-border);
  padding: 60px 24px 40px;
  /* Footer is always visible */
  opacity: 1;
  transform: none;
}

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.footer-logo svg {
  width: 40px;
  height: 48px;
  margin: 0 auto 20px;
}

.footer-tagline {
  font-size: clamp(0.95rem, 3vw, 1.1rem);
  color: var(--color-text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}

.footer .cta-btn {
  margin-bottom: 24px;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  letter-spacing: 0.5px;
}

/* ================================
   RESPONSIVE
   ================================ */

/* Small mobile */
@media (max-width: 374px) {
  .section {
    padding: 60px 16px;
  }

  .hero-logo svg {
    width: 60px;
    height: 72px;
  }
}

/* Standard mobile (375px+) */
@media (min-width: 375px) and (max-width: 767px) {
  .features-strip {
    gap: 20px;
  }

  .feature-item {
    flex: 0 0 auto;
  }
}

/* Tablet (768px+) */
@media (min-width: 768px) {
  .section {
    padding: 100px 40px;
  }

  .modes-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-logo svg {
    width: 100px;
    height: 120px;
  }

  .card-fan {
    min-height: 340px;
  }

  .preview-card-left {
    margin-right: -30px;
  }

  .preview-card-right {
    margin-left: -30px;
  }
}

/* ================================
   CHOOSE YOUR DECK
   ================================ */
.decks {
  background: var(--color-bg-gradient);
}

.decks-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
}

.deck-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--color-surface);
  border: 2px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 40px 28px 32px;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
}

.deck-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.deck-animals:hover {
  border-color: var(--color-primary);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4),
              0 0 20px var(--color-primary-glow);
}

.deck-dinosaurs:hover {
  border-color: #44ff88;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4),
              0 0 20px rgba(68, 255, 136, 0.3);
}

.deck-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
  line-height: 1;
}

.deck-name {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 4vw, 1.5rem);
  color: var(--color-primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.deck-dinosaurs .deck-name {
  color: #44ff88;
}

.deck-desc {
  font-size: clamp(0.85rem, 2.5vw, 1rem);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 300px;
}

.deck-cta {
  display: inline-block;
  padding: 10px 32px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 1px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.deck-animals .deck-cta {
  background: var(--card-gold);
  color: #000;
}

.deck-dinosaurs .deck-cta {
  background: linear-gradient(135deg, #44ff88 0%, #22cc66 50%, #44ff88 100%);
  color: #000;
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .section {
    padding: 120px 60px;
  }

  .hero-title {
    letter-spacing: 4px;
  }

  .mode-card {
    padding: 48px 36px;
  }

  .card-fan {
    min-height: 380px;
  }
}

/* Tablet (768px+) - decks grid */
@media (min-width: 768px) {
  .decks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}