/* STEM 親子研學圈 — Design System */
:root {
  --color-primary: #0066FF;
  --color-primary-dark: #0052CC;
  --color-accent: #FF6B35;
  --color-accent-soft: #FFF0EA;
  --color-stem: #00B894;
  --color-navy: #0A2540;
  --color-navy-light: #1A3A5C;
  --color-bg: #F7F9FC;
  --color-surface: #FFFFFF;
  --color-border: #E2E8F0;
  --color-text: #1A202C;
  --color-text-muted: #64748B;
  --color-star: #F59E0B;
  --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.08);
  --shadow-md: 0 4px 20px rgba(10, 37, 64, 0.1);
  --shadow-lg: 0 12px 40px rgba(10, 37, 64, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;
  --font: 'Noto Sans TC', 'Noto Sans SC', system-ui, sans-serif;
  --header-h: 72px;
  --container: 1200px;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-navy);
  font-weight: 700;
  font-size: 1.1rem;
}

.site-brand img { width: 40px; height: 40px; }

.site-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-brand__sub {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  padding: 0.5rem 1rem;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  transition: background var(--transition), color var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: #e85a28;
  border-color: #e85a28;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--sm { padding: 0.4rem 0.9rem; font-size: 0.85rem; }
.btn--lg { padding: 0.85rem 1.5rem; font-size: 1rem; }
.btn--block { width: 100%; }

/* Hero */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 50%, #0d4a7a 100%);
  color: #fff;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(0, 102, 255, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(0, 184, 148, 0.2) 0%, transparent 50%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 4rem 0;
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

.hero__badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-stem);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero__lead {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero__stat strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
}

.hero__stat span {
  font-size: 0.85rem;
  opacity: 0.75;
}

/* Filters */
.filters-section {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0;
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.filter-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-group select,
.filter-group input {
  padding: 0.55rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--color-bg);
  min-width: 140px;
}

.filter-group input { min-width: 200px; }

.search-group { flex: 1; min-width: 200px; }

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.category-tab {
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.category-tab:hover,
.category-tab.active {
  background: var(--color-primary);
  color: #fff;
}

.filters-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

#reset-filters {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
}

#reset-filters:hover { text-decoration: underline; }

/* Section */
.section {
  padding: 4rem 0;
}

.section__header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section__header h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-navy);
}

/* Activity Grid */
.activity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.activity-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.activity-card__link {
  color: inherit;
  display: block;
}

.activity-card__link:hover { color: inherit; }

.activity-card__media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.activity-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.activity-card:hover .activity-card__media img {
  transform: scale(1.05);
}

.activity-card__badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(10, 37, 64, 0.85);
  color: #fff;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.activity-card__body { padding: 1.25rem; }

.activity-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}

.tag--theme { background: #EEF2FF; color: var(--color-primary); }
.tag--group { background: var(--color-bg); color: var(--color-text-muted); }
.tag--category { background: var(--color-navy); color: #fff; }

.activity-card__rating {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.star { color: var(--color-star); }
.star--half { opacity: 0.5; }

.activity-card__location {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.activity-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.4;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-card__info {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.activity-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.activity-card__price .label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-bottom: 0.15rem;
}

.activity-card__price strong {
  font-size: 1.25rem;
  color: var(--color-accent);
}

.activity-card__price small {
  font-size: 0.8rem;
  font-weight: 500;
}

/* Service Types */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

.service-card:hover { border-color: var(--color-primary); }

.service-card__icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.1rem;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-navy);
  cursor: pointer;
  text-align: left;
  gap: 1rem;
}

.faq-item__icon::after { content: '+'; font-size: 1.25rem; color: var(--color-primary); }
.faq-item.open .faq-item__icon::after { content: '−'; }

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-item__answer { max-height: 300px; }

.faq-item__answer p {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Activity Detail */
.page-main { padding: 2rem 0 4rem; min-height: 60vh; }

.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a { color: var(--color-primary); }

.activity-detail__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.gallery-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-border);
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumbs {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.gallery-thumb {
  width: 72px;
  height: 54px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  background: none;
}

.gallery-thumb.active { border-color: var(--color-primary); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

.activity-detail__tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.activity-detail__info h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-navy);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.activity-detail__rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

.activity-detail__rating .stars { color: var(--color-star); }

.detail-facts {
  list-style: none;
  margin-bottom: 1.25rem;
}

.detail-facts li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.detail-facts strong {
  display: inline-block;
  width: 4rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.activity-detail__summary {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.booking-widget {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.booking-widget__price {
  margin-bottom: 1.25rem;
}

.booking-widget__price span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.booking-widget__price strong {
  font-size: 2rem;
  color: var(--color-accent);
  margin-left: 0.5rem;
}

.booking-widget__form label {
  display: block;
  margin-bottom: 1rem;
}

.booking-widget__form label span {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-navy);
}

.booking-widget__form select,
.booking-widget__form input {
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  background: var(--color-surface);
}

.activity-detail__sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.activity-detail__sections--policy {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.activity-detail__sections h2 {
  font-size: 1.25rem;
  color: var(--color-navy);
  margin-bottom: 1rem;
}

.policy-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.policy-section--notice {
  border-left: 4px solid var(--color-accent);
}

.policy-section--terms {
  border-left: 4px solid var(--color-primary);
}

.notice-list {
  list-style: none;
  counter-reset: notice;
}

.notice-list li {
  counter-increment: notice;
  padding: 0.6rem 0 0.6rem 2rem;
  position: relative;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  border-bottom: 1px solid var(--color-border);
}

.notice-list li:last-child { border-bottom: none; }

.notice-list li::before {
  content: counter(notice);
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 1.35rem;
  height: 1.35rem;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.terms-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.terms-item h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.35rem;
}

.terms-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.check-list {
  list-style: none;
}

.check-list li {
  padding: 0.5rem 0 0.5rem 1.75rem;
  position: relative;
  color: var(--color-text-muted);
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-stem);
  font-weight: 700;
}

.timeline {
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

.timeline li { padding: 0.4rem 0; }

/* Booking Page */
.booking-page h1,
.success-page h1 {
  font-size: 1.75rem;
  color: var(--color-navy);
  margin-bottom: 1.5rem;
}

.booking-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  align-items: start;
}

.form-section {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
}

.form-section h2 {
  font-size: 1.1rem;
  color: var(--color-navy);
  margin-bottom: 1.25rem;
}

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

.form-grid .full { grid-column: 1 / -1; }

.form-grid label span {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-navy);
}

.form-grid label em { color: var(--color-accent); font-style: normal; }

.form-grid input,
.form-grid textarea,
.form-grid select {
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
}

.form-grid input:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.15);
}

.payment-options { display: flex; flex-direction: column; gap: 0.75rem; }

.payment-paypal {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.payment-paypal__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.payment-paypal__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.75rem;
  background: #003087;
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
}

.paypal-checkout {
  min-height: 48px;
}

.paypal-loading {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 0.75rem 0;
}

.paypal-error {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: #B91C1C;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.paypal-note {
  margin-top: 1rem;
  margin-bottom: 0;
}

.paypal-setup-notice {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  color: #92400E;
}

.paypal-setup-notice strong {
  display: block;
  margin-bottom: 0.35rem;
  color: #78350F;
}

.paypal-setup-notice code {
  background: rgba(0, 0, 0, 0.06);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.payment-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}

.payment-option input { margin-top: 0.25rem; }

.payment-option__box {
  flex: 1;
  padding: 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}

.payment-option input:checked + .payment-option__box {
  border-color: var(--color-primary);
  background: #EEF2FF;
}

.payment-option__box strong { display: block; color: var(--color-navy); }
.payment-option__box small { color: var(--color-text-muted); font-size: 0.85rem; }

.form-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  cursor: pointer;
}

.checkbox-label input { margin-top: 0.2rem; }

.order-summary {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.order-summary h2 {
  font-size: 1.1rem;
  color: var(--color-navy);
  margin-bottom: 1.25rem;
}

.order-summary__card {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.order-summary__card img {
  width: 80px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.order-summary__card h3 {
  font-size: 0.95rem;
  color: var(--color-navy);
  line-height: 1.3;
}

.order-summary__card p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.order-summary__details {
  margin-bottom: 1.25rem;
}

.order-summary__details div {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  font-size: 0.9rem;
}

.order-summary__details dt { color: var(--color-text-muted); }
.order-summary__details dd { font-weight: 600; color: var(--color-navy); }

.order-summary__details .total {
  border-top: 1px solid var(--color-border);
  margin-top: 0.5rem;
  padding-top: 0.75rem;
}

.order-summary__details .total dd {
  font-size: 1.25rem;
  color: var(--color-accent);
}

.order-summary__notes {
  list-style: none;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.order-summary__notes li {
  padding: 0.25rem 0 0.25rem 1.25rem;
  position: relative;
}

.order-summary__notes li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-stem);
}

/* Success */
.success-page,
.form-success {
  text-align: center;
  max-width: 560px;
  margin: 2rem auto;
}

.success-icon {
  width: 72px;
  height: 72px;
  background: var(--color-stem);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

.success-lead {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.success-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  text-align: left;
  margin-bottom: 2rem;
}

.success-card dl div {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.success-card dt { color: var(--color-text-muted); }
.success-card dd { font-weight: 600; color: var(--color-navy); }

.success-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.success-note {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 1.5rem 0;
}

.success-note a {
  font-weight: 600;
}

/* Order Lookup */
.order-lookup {
  max-width: 960px;
  margin: 0 auto;
}

.order-lookup__intro {
  text-align: center;
  margin-bottom: 2rem;
}

.order-lookup__intro h1 {
  font-size: 2rem;
  color: var(--color-navy);
  margin-bottom: 0.75rem;
}

.order-lookup__intro p {
  color: var(--color-text-muted);
}

.order-lookup__layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 2rem;
  align-items: start;
}

.order-lookup__form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.order-lookup__form label {
  display: block;
  margin-bottom: 1rem;
}

.order-lookup__form label span {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-navy);
}

.order-lookup__form label em {
  color: var(--color-accent);
  font-style: normal;
}

.order-lookup__form input {
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
}

.order-lookup__hint {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.order-message {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.order-message--error {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: #991B1B;
}

.order-message--error strong {
  display: block;
  margin-bottom: 0.35rem;
}

.order-message--error p {
  font-size: 0.9rem;
  margin: 0;
}

.order-result {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.order-result__header {
  margin-bottom: 1.25rem;
}

.order-result__header h2 {
  font-size: 1.25rem;
  color: var(--color-navy);
  margin-top: 0.5rem;
}

.order-status {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.order-status--paid {
  background: #D1FAE5;
  color: #065F46;
}

.order-status--pending {
  background: #FEF3C7;
  color: #92400E;
}

.order-status--cancelled,
.order-status--refunded {
  background: #F3F4F6;
  color: #4B5563;
}

.order-result__activity {
  display: flex;
  gap: 1rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.order-result__activity img {
  width: 96px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.order-result__activity h3 {
  font-size: 1rem;
  color: var(--color-navy);
  margin-bottom: 0.35rem;
  line-height: 1.4;
}

.order-result__activity a {
  font-size: 0.85rem;
  font-weight: 600;
}

.order-result__title {
  font-size: 1.1rem;
  color: var(--color-navy);
  margin-bottom: 1rem;
}

.order-result__details {
  margin-bottom: 1.5rem;
}

.order-result__details div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.order-result__details div.full {
  flex-direction: column;
  align-items: stretch;
  gap: 0.25rem;
}

.order-result__details dt {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.order-result__details dd {
  font-weight: 600;
  color: var(--color-navy);
  text-align: right;
}

.order-result__details div.full dd {
  text-align: left;
  font-weight: 500;
}

.order-result__details .total dd {
  color: var(--color-accent);
  font-size: 1.15rem;
}

.order-result__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h1 {
  font-size: 2rem;
  color: var(--color-navy);
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.contact-features {
  list-style: none;
}

.contact-features li {
  padding: 0.75rem 0 0.75rem 2rem;
  position: relative;
  color: var(--color-text-muted);
}

.contact-features li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.contact-form-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-muted);
}

.empty-state h2 {
  color: var(--color-navy);
  margin-bottom: 1rem;
}

/* Footer */
.site-footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.8);
  padding: 3rem 0 1.5rem;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.footer-brand img { width: 40px; height: 40px; }

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.8;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  padding: 0.3rem 0;
  transition: color var(--transition);
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0052CC 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
  margin: 2rem 0;
}

.cta-banner h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.cta-banner p {
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.cta-banner .btn--primary {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.cta-banner .btn--primary:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-color: var(--color-accent-soft);
}

/* Responsive */
@media (max-width: 900px) {
  .activity-detail__layout,
  .activity-detail__sections,
  .booking-layout,
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .order-summary { position: static; }
  .order-lookup__layout { grid-template-columns: 1fr; }
  .order-lookup__form { position: static; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
  }

  .site-nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .site-nav a { width: 100%; text-align: center; padding: 0.75rem; }

  .hero { min-height: auto; }
  .hero__stats { gap: 1.5rem; }
  .form-grid { grid-template-columns: 1fr; }
  .filters-bar { flex-direction: column; align-items: stretch; }
  .filter-group select, .filter-group input { width: 100%; }
}

@media print {
  .site-header, .site-footer, .success-actions { display: none; }
}