/* =====================
   JAPAN ENCYCLOPEDIA — Regional Page Shared Styles
   ===================== */

:root {
  --bg: #faf8f5;
  --bg-card: #f5f1eb;
  --indigo: #1b2838;
  --indigo-light: #2d3f55;
  --vermillion: #c73e1d;
  --vermillion-light: #e05530;
  --sage: #6b7f5e;
  --sage-light: #8a9e7d;
  --gold: #b8860b;
  --gold-light: #d4a017;
  --text: #2c2c2c;
  --text-light: #5a5a5a;
  --border: #d8cfc4;
  --font-jp: 'Noto Serif JP', serif;
  --font-en: 'Cormorant Garamond', serif;
  --font-body: 'Source Sans 3', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* =====================
   NAVIGATION
   ===================== */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(27, 40, 56, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(184, 134, 11, 0.3);
  padding: 0 2rem;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-logo {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.05em;
}
.nav-logo span { color: var(--gold-light); }

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.82rem;
  font-family: var(--font-jp);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--gold-light); }

/* =====================
   HERO (region-specific bg via inline style)
   ===================== */
.hero-region {
  position: relative;
  min-height: 48vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-region::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 50% 0%, transparent 38%, rgba(255,255,255,0.03) 38%, rgba(255,255,255,0.03) 48%, transparent 48%),
    radial-gradient(circle at 0% 50%, transparent 38%, rgba(255,255,255,0.03) 38%, rgba(255,255,255,0.03) 48%, transparent 48%),
    radial-gradient(circle at 100% 50%, transparent 38%, rgba(255,255,255,0.03) 38%, rgba(255,255,255,0.03) 48%, transparent 48%);
  background-size: 36px 36px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 4rem 2rem 3rem;
  max-width: 700px;
}

.hero-eyebrow {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.35em;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.hero-title {
  font-family: var(--font-jp);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 300;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 0.3rem;
  letter-spacing: 0.1em;
}

.hero-title-en {
  font-family: var(--font-en);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 300;
  font-style: italic;
  color: rgba(255,255,255,0.65);
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.hero-tags {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.tag {
  font-family: var(--font-jp);
  font-size: 0.72rem;
  padding: 0.25rem 0.7rem;
  border-radius: 3px;
  border: 1px solid;
  letter-spacing: 0.05em;
}

/* =====================
   MAIN CONTENT
   ===================== */
.main-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
}

.content-section {
  padding: 3.5rem 0;
}

.section-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--vermillion);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.section-heading {
  font-family: var(--font-jp);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0 2rem;
}

/* =====================
   OVERVIEW SECTION
   ===================== */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2.5rem;
  align-items: start;
}

.overview-text p {
  font-family: var(--font-jp);
  font-size: 0.92rem;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.9;
}

.overview-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  text-align: center;
}

.stat-num {
  display: block;
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 0.2rem;
}

.stat-label {
  font-family: var(--font-jp);
  font-size: 0.72rem;
  color: var(--text-light);
}

/* =====================
   CITIES GRID
   ===================== */
.cities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.2rem;
}

.city-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  position: relative;
  transition: all 0.25s ease;
}

.city-card:hover {
  box-shadow: 0 4px 20px rgba(27,40,56,0.1);
  transform: translateY(-2px);
}

.city-card.city-primary {
  border-color: var(--gold);
  background: linear-gradient(135deg, #fff 0%, #fdf8ee 100%);
}

.city-num {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--border);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.city-name {
  font-family: var(--font-jp);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 0.7rem;
}

.city-name span {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--text-light);
  font-weight: 400;
  margin-left: 0.5rem;
}

.city-desc {
  font-family: var(--font-jp);
  font-size: 0.83rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* =====================
   ATTRACTIONS GRID
   ===================== */
.attractions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
}

.attraction-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.attraction-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--vermillion), var(--gold));
  transform: scaleX(0);
  transition: transform 0.25s;
}

.attraction-card:hover { box-shadow: 0 6px 24px rgba(27,40,56,0.1); }
.attraction-card:hover::before { transform: scaleX(1); }

.attraction-icon {
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
  display: block;
}

.attraction-card h3 {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 0.3rem;
}

.attraction-loc {
  font-family: var(--font-jp);
  font-size: 0.72rem;
  color: var(--vermillion);
  margin-bottom: 0.6rem;
}

.attraction-card p {
  font-family: var(--font-jp);
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* =====================
   FOOD GRID
   ===================== */
.food-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.food-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem 1.2rem;
  text-align: center;
  transition: all 0.25s ease;
}

.food-item:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 16px rgba(184,134,11,0.1);
}

.food-emoji {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 0.7rem;
}

.food-item h3 {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 0.5rem;
}

.food-item p {
  font-family: var(--font-jp);
  font-size: 0.78rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* =====================
   SEASONAL TIMELINE
   ===================== */
.seasonal-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.season-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.season-item:last-child { border-bottom: none; }

.season-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.4rem;
}

.season-dot.spring { background: #f06292; }
.season-dot.summer { background: #29b6f6; }
.season-dot.autumn { background: #ff7043; }
.season-dot.winter { background: #7986cb; }

.season-content h3 {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 0.4rem;
}

.season-content p {
  font-family: var(--font-jp);
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* =====================
   REGION NAVIGATION
   ===================== */
.region-nav {
  background: var(--indigo);
  padding: 1.5rem 2rem;
  margin-top: 4rem;
}

.region-nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.region-nav-prev,
.region-nav-next,
.region-nav-home {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  padding: 0.5rem 1.2rem;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  transition: all 0.2s;
}

.region-nav-prev:hover,
.region-nav-next:hover {
  border-color: var(--gold-light);
  color: var(--gold-light);
}

.region-nav-home {
  background: rgba(184,134,11,0.15);
  border-color: rgba(184,134,11,0.4);
  color: var(--gold-light);
}

.region-nav-home:hover {
  background: rgba(184,134,11,0.25);
}

.region-nav-prev.disabled {
  opacity: 0.3;
  cursor: default;
}

/* =====================
   FOOTER
   ===================== */
footer {
  background: var(--indigo);
  padding: 2.5rem 2rem;
  border-top: 1px solid rgba(184,134,11,0.3);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-family: var(--font-jp);
  font-size: 0.82rem;
  transition: color 0.2s;
}

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

.footer-copy {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 768px) {
  .overview-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .cities-grid { grid-template-columns: 1fr; }
  .food-grid { grid-template-columns: repeat(2, 1fr); }
  .region-nav-inner { gap: 0.5rem; flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
  .food-grid { grid-template-columns: 1fr 1fr; }
  .attractions-grid { grid-template-columns: 1fr; }
}