/* ============================================
   NIPPON PASSAGE — Scenic Railway Journey Planner
   Stylesheet: site.css
   ============================================ */

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

:root {
  --midnight: #0a1628;
  --copper: #b87333;
  --cream: #f5f0e8;
  --slate: #475569;
  --steel: #94a3b8;
  --amber: #d4a574;
  --white: #ffffff;
  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Work Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--midnight);
  background-color: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--copper);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.8;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 500;
  line-height: 1.2;
}

h1 {
  font-size: clamp(28px, 5vw, 52px);
}

h2 {
  font-size: clamp(24px, 4vw, 40px);
}

h3 {
  font-size: clamp(20px, 3vw, 28px);
}

h4 {
  font-size: clamp(16px, 2vw, 20px);
}

.label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--slate);
}

.mono {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--cream);
  border-bottom: 1px solid var(--steel);
  z-index: 1000;
  padding: 0 28px;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--midnight);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--midnight);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-links a:hover {
  color: var(--copper);
  opacity: 1;
}

.nav-cta {
  background: var(--midnight);
  color: var(--cream) !important;
  padding: 8px 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}

.nav-cta:hover {
  background: var(--copper);
  opacity: 1;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--midnight);
  margin: 5px 0;
  transition: 0.3s;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 28px 80px;
  background: linear-gradient(180deg, var(--midnight) 0%, #1a2d4a 40%, var(--cream) 100%);
  position: relative;
}

.hero-content {
  max-width: 720px;
}

.hero h1 {
  color: var(--cream);
  margin-bottom: 20px;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--steel);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-cta {
  display: inline-block;
  background: var(--copper);
  color: var(--cream);
  padding: 14px 36px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
}

.hero-cta:hover {
  background: var(--amber);
  opacity: 1;
}

/* --- Section Styles --- */
.section {
  padding: 80px 28px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-dark {
  background: var(--midnight);
  color: var(--cream);
}

.section-dark .label {
  color: var(--steel);
}

.section-dark h2,
.section-dark h3 {
  color: var(--cream);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  color: var(--slate);
  font-size: 16px;
}

.section-dark .section-header p {
  color: var(--steel);
}

/* --- Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.card-grid-2 {
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
}

.card {
  background: var(--white);
  border: 1px solid var(--steel);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(10, 22, 40, 0.12);
}

.card-image {
  height: 180px;
  background-size: cover;
  background-position: center;
}

.card-body {
  padding: 24px;
}

.card-body h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.card-body p {
  color: var(--slate);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.card-meta span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.card-link {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--copper);
}

/* --- Route Cards (homepage featured) --- */
.route-card-gradient {
  height: 200px;
  position: relative;
}

.route-card-gradient::after {
  content: attr(data-route);
  position: absolute;
  bottom: 16px;
  left: 20px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 500;
  color: var(--white);
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

/* --- Filters --- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
  justify-content: center;
}

.filter-btn {
  padding: 8px 18px;
  border: 1px solid var(--steel);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--slate);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.2s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--midnight);
  color: var(--cream);
  border-color: var(--midnight);
}

/* --- Route Detail Page --- */
.route-hero {
  min-height: 60vh;
  display: flex;
  align-items: flex-end;
  padding: 120px 28px 60px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.route-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,0.85) 0%, rgba(10,22,40,0.3) 50%, transparent 100%);
}

.route-hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  color: var(--cream);
}

.route-hero-content h1 {
  margin-bottom: 12px;
}

.route-hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.route-hero-meta span {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--steel);
}

.route-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 28px;
}

.route-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.route-map {
  height: 480px;
  border: 1px solid var(--steel);
}

.route-map #map {
  width: 100%;
  height: 100%;
}

.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--steel);
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--copper);
  border-radius: 50%;
  border: 2px solid var(--cream);
}

.timeline-item h4 {
  margin-bottom: 4px;
}

.timeline-item p {
  color: var(--slate);
  font-size: 14px;
}

/* --- Station Cards --- */
.station-card {
  background: var(--white);
  border: 1px solid var(--steel);
  padding: 32px;
  text-align: center;
}

.station-card h3 {
  margin-bottom: 8px;
}

.station-card .platforms {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--copper);
  margin-bottom: 12px;
}

.station-card p {
  color: var(--slate);
  font-size: 14px;
}

/* --- JR Pass Calculator --- */
.calc-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--steel);
  padding: 40px;
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--slate);
  margin-bottom: 8px;
}

.form-group select,
.form-group input[type="number"],
.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--steel);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--midnight);
  background: var(--cream);
}

.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--copper);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn-primary {
  background: var(--copper);
  color: var(--cream);
}

.btn-primary:hover {
  background: var(--amber);
  opacity: 1;
}

.btn-dark {
  background: var(--midnight);
  color: var(--cream);
}

.btn-dark:hover {
  background: var(--slate);
  opacity: 1;
}

.calc-results {
  margin-top: 40px;
  padding: 32px;
  background: var(--midnight);
  color: var(--cream);
  display: none;
}

.calc-results.active {
  display: block;
}

.calc-results h3 {
  margin-bottom: 20px;
}

.calc-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}

.calc-table th,
.calc-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--slate);
  font-size: 14px;
}

.calc-table th {
  font-family: var(--font-head);
  font-weight: 500;
  color: var(--steel);
}

.calc-table td {
  font-family: var(--font-mono);
}

.recommendation {
  padding: 20px;
  background: rgba(184, 115, 51, 0.2);
  border-left: 3px solid var(--copper);
}

/* --- Price Table --- */
.price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.price-table th,
.price-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--steel);
}

.price-table th {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--slate);
  background: rgba(10, 22, 40, 0.05);
}

.price-table td {
  font-size: 15px;
}

.price-table .price {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--copper);
}

/* --- About Page --- */
.about-story {
  max-width: 720px;
  margin: 0 auto;
}

.about-story p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--slate);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.team-member {
  text-align: center;
}

.team-member h4 {
  margin-bottom: 4px;
}

.team-member .role {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--copper);
  margin-bottom: 8px;
}

.team-member p {
  font-size: 13px;
  color: var(--slate);
  line-height: 1.5;
}

/* --- Contact Page --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info h3 {
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--slate);
  margin-bottom: 12px;
  font-size: 15px;
}

.contact-info .mono {
  color: var(--copper);
}

/* --- Legal Pages --- */
.legal-content {
  max-width: 720px;
  margin: 0 auto;
}

.legal-content h2 {
  margin-bottom: 24px;
}

.legal-content h3 {
  margin-top: 36px;
  margin-bottom: 12px;
  font-size: 20px;
}

.legal-content p {
  margin-bottom: 16px;
  color: var(--slate);
}

.legal-content ul {
  margin-bottom: 16px;
  padding-left: 24px;
  color: var(--slate);
}

.legal-content li {
  margin-bottom: 8px;
}

.last-updated {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--steel);
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--steel);
}

/* --- Footer --- */
.footer {
  background: var(--midnight);
  color: var(--steel);
  padding: 60px 28px 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
  margin-top: 12px;
}

.footer-links h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--cream);
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--steel);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--cream);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid var(--slate);
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

/* --- Cookie Consent --- */
.cookie-msg {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--midnight);
  color: var(--steel);
  padding: 14px 28px;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
  font-family: var(--font-body);
}

.cookie-msg a {
  color: var(--copper);
}

.cookie-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

#cookie-agree {
  background: var(--copper);
  color: var(--cream);
  border: none;
  padding: 7px 20px;
  border-radius: 0;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-body);
}

#cookie-decline {
  background: transparent;
  color: var(--steel);
  border: 1px solid var(--slate);
  padding: 7px 20px;
  border-radius: 0;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-body);
}

/* --- Utility Classes --- */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--cream);
    flex-direction: column;
    padding: 20px 28px;
    gap: 16px;
    border-bottom: 1px solid var(--steel);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    min-height: 80vh;
    padding: 100px 20px 60px;
  }

  .section {
    padding: 60px 20px;
  }

  .card-grid,
  .card-grid-2 {
    grid-template-columns: 1fr;
  }

  .route-columns,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .filter-bar {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
  }

  .route-map {
    height: 320px;
  }

  .team-grid {
    grid-template-columns: 1fr 1fr;
  }

  .calc-form {
    padding: 24px;
  }
}

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

  .team-grid {
    grid-template-columns: 1fr;
  }
}