/* ============================================================
   메인 페이지(index) 전용 스타일
   ============================================================ */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  color: white;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  pointer-events: none;
}
.hero-orb--blue { width: 420px; height: 420px; background: var(--color-blue-500); top: -120px; left: -100px; }
.hero-orb--red { width: 380px; height: 380px; background: var(--color-red-500); bottom: -140px; right: -80px; opacity: 0.35; }

.hero .container-wide { position: relative; z-index: 2; }

.hero-header { text-align: center; max-width: 760px; margin: 0 auto var(--space-10); }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: var(--space-5);
  backdrop-filter: blur(10px);
}
.hero-badge i { color: var(--color-red-400); }

.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.8;
}

/* Region selector card */
.region-selector-wrapper { max-width: 720px; margin: 0 auto; }

.region-selector-container {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  box-shadow: var(--shadow-lg);
}

.selector-step { text-align: left; }
.step-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.step-number {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--gradient-taegeuk);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  flex-shrink: 0;
}
.step-header h3 { font-size: 1rem; color: white; font-weight: 700; }

.region-select {
  width: 100%;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 1.1rem center;
  color: white;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  appearance: none;
  cursor: pointer;
  transition: var(--transition-fast);
}
.region-select:hover { background-color: rgba(255,255,255,0.13); }
.region-select:focus { outline: none; border-color: var(--color-red-400); }
.region-select:disabled { opacity: 0.4; cursor: not-allowed; }
.region-select option { color: var(--ink); background: white; }

.selector-arrow {
  text-align: center;
  color: rgba(255,255,255,0.4);
  font-size: 1.1rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-top: var(--space-10);
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--color-red-300));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stat span { font-size: 0.85rem; color: rgba(255,255,255,0.6); }

.hero-scroll-cue {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.5);
  font-size: 1.3rem;
  animation: bounceDown 2s infinite;
}
@keyframes bounceDown {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

@media (max-width: 640px) {
  .region-selector-container { padding: var(--space-6) var(--space-5); }
  .hero-stats { gap: var(--space-5); }
}

/* ---------- Destinations (추천 생태 게임) ---------- */
.destinations-section { background: var(--bg); }

.destinations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.destination-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}
.destination-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.destination-image {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: var(--gradient-blue);
}
.destination-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.destination-card:hover .destination-image img { transform: scale(1.08); }

.destination-badge {
  position: absolute;
  top: var(--space-3); left: var(--space-3);
  padding: 0.35rem 0.8rem;
  background: rgba(11,13,18,0.55);
  backdrop-filter: blur(6px);
  color: white;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex; align-items: center; gap: 0.35rem;
}
.destination-badge.featured { background: var(--gradient-red); }

.destination-points {
  position: absolute;
  top: var(--space-3); right: var(--space-3);
  padding: 0.35rem 0.75rem;
  background: rgba(255,255,255,0.92);
  color: var(--color-blue-700);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 800;
}

.destination-body { padding: var(--space-5); }
.destination-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: var(--space-2);
  color: var(--ink);
}
.destination-location {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-bottom: var(--space-3);
}
.destination-desc {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.destination-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-color);
  font-size: 0.82rem;
  color: var(--ink-muted);
}
.destination-meta .difficulty { display: flex; align-items: center; gap: 0.3rem; font-weight: 700; }
.difficulty.easy { color: var(--color-blue-500); }
.difficulty.medium { color: #b8860b; }
.difficulty.hard { color: var(--color-red-500); }

.load-more-container { text-align: center; margin-top: var(--space-8); }

/* ---------- How to Play ---------- */
.how-to-play { background: var(--color-blue-50); }

.steps-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.step-item {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background: var(--surface);
  border-radius: var(--radius-lg);
  position: relative;
  border: 1px solid var(--border-color);
}
.step-item .step-number {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  width: 32px; height: 32px;
  font-size: 0.9rem;
}
.step-icon {
  width: 64px; height: 64px;
  margin: var(--space-4) auto var(--space-4);
  border-radius: 50%;
  background: var(--gradient-blue);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 1.5rem;
}
.step-item:nth-child(even) .step-icon { background: var(--gradient-red); }
.step-title { font-size: 1.1rem; font-weight: 800; margin-bottom: var(--space-2); }
.step-description { font-size: 0.88rem; color: var(--ink-muted); line-height: 1.7; }

.game-features-highlight {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.feature-card {
  text-align: center;
  padding: var(--space-5);
}
.feature-card i {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: var(--space-3);
}
.feature-card h4 { font-size: 0.95rem; margin-bottom: var(--space-1); }
.feature-card p { font-size: 0.82rem; color: var(--ink-muted); }

@media (max-width: 900px) {
  .steps-container { grid-template-columns: repeat(2, 1fr); }
  .game-features-highlight { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Features ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.feature-box {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.feature-box:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: transparent;
}
.feature-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-4);
}
.feature-box:nth-child(3n+2) .feature-icon { background: var(--accent-light); color: var(--accent-dark); }
.feature-box h3 { font-size: 1.15rem; margin-bottom: var(--space-2); }
.feature-box > p { font-size: 0.9rem; color: var(--ink-muted); margin-bottom: var(--space-4); }
.feature-list li {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: 0.85rem; color: var(--ink-soft);
  padding: 0.3rem 0;
}
.feature-list i { color: var(--color-blue-500); font-size: 0.75rem; }

@media (max-width: 900px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* ---------- Community ---------- */
.community-section { background: var(--gradient-ink); color: white; }
.community-section .section-badge { background: rgba(255,255,255,0.1); color: white; }
.community-section .section-title { color: white; }
.community-section .section-description { color: rgba(255,255,255,0.6); }

.testimonials-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}
.testimonial-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  backdrop-filter: blur(10px);
}
.testimonial-header { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.user-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient-taegeuk);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.user-info { flex: 1; }
.user-info h4 { font-size: 0.95rem; }
.user-level { display: flex; align-items: center; gap: 0.3rem; font-size: 0.78rem; color: rgba(255,255,255,0.5); }
.user-level i { color: var(--color-red-400); }
.rating { color: var(--color-red-400); font-size: 0.8rem; display: flex; gap: 2px; }
.testimonial-text {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.testimonial-stats {
  display: flex; gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}
.testimonial-stats span { display: flex; align-items: center; gap: 0.3rem; }

.community-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  text-align: center;
}
.stat-card i { font-size: 1.6rem; color: var(--color-red-400); margin-bottom: var(--space-3); }
.stat-number { font-size: 2rem; font-weight: 800; margin-bottom: var(--space-1); }
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.55); }

@media (max-width: 900px) {
  .testimonials-container { grid-template-columns: 1fr; }
  .community-stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
}

/* ---------- Game Modal (지역 선택 -> 게임 목록 / 상세) ---------- */
.game-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.game-modal.active { opacity: 1; visibility: visible; }

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,13,20,0.7);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-xl);
  width: min(90vw, 900px);
  max-height: 88vh;
  overflow-y: auto;
  z-index: 1;
  transform: scale(0.95) translateY(20px);
  transition: var(--transition);
}
.game-modal.active .modal-content { transform: scale(1) translateY(0); }

.modal-close {
  position: absolute;
  top: var(--space-4); right: var(--space-4);
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--color-paper-alt);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-soft);
  z-index: 2;
  transition: var(--transition-fast);
}
.modal-close:hover { background: var(--accent-light); color: var(--accent); }

.modal-header {
  padding: var(--space-8) var(--space-8) var(--space-6);
  text-align: center;
  background: var(--gradient-blue);
  color: white;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.modal-icon {
  width: 64px; height: 64px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
}
.modal-title { font-size: 1.5rem; margin-bottom: var(--space-2); }
.modal-subtitle { color: rgba(255,255,255,0.8); font-size: 0.9rem; }

.modal-body { padding: var(--space-6) var(--space-8) var(--space-8); }

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
}
.game-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-fast);
  background: var(--surface);
}
.game-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.game-card-image { height: 130px; overflow: hidden; background: var(--gradient-blue); position: relative; }
.game-card-image img { width: 100%; height: 100%; object-fit: cover; }
.game-card-body { padding: var(--space-4); }
.game-card-title { font-size: 1rem; font-weight: 700; margin-bottom: var(--space-2); }
.game-card-meta { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--ink-muted); }

.game-detail-content { display: flex; flex-direction: column; gap: var(--space-5); }
.game-detail-image { width: 100%; height: 260px; border-radius: var(--radius-md); overflow: hidden; }
.game-detail-image img { width: 100%; height: 100%; object-fit: cover; }
.game-detail-stats { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.game-detail-stat {
  flex: 1; min-width: 120px;
  padding: var(--space-4);
  background: var(--color-paper-alt);
  border-radius: var(--radius-md);
  text-align: center;
}
.game-detail-stat i { color: var(--primary); font-size: 1.1rem; margin-bottom: var(--space-2); }
.game-detail-stat strong { display: block; font-size: 1rem; }
.game-detail-stat span { font-size: 0.75rem; color: var(--ink-muted); }

@media (max-width: 640px) {
  .modal-content { width: 100vw; max-height: 100vh; height: 100%; border-radius: 0; }
  .modal-header { border-radius: 0; padding: var(--space-8) var(--space-5) var(--space-5); }
  .modal-body { padding: var(--space-5); }
}

/* Fade-in animation utility for IntersectionObserver */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}