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

:root {
  --bg: #fdf8f2;
  --text: #1a1814;
  --blue: #1565a0;
  --blue-dark: #0d3a68;
  --terra: #7e3db5;
  --terra-light: #f3ebfa;
  --gold: #e9a820;
  --border: #e4ddd4;
  --card-bg: #ffffff;
  --muted: #7a726a;
  --callout-bg: #fdf6e4;
  --callout-border: #e9a820;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.08), 0 2px 10px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1), 0 1px 4px rgba(0,0,0,0.06);
  --radius: 12px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--terra);
  display: inline-block;
}

h3 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--terra);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 10px;
  margin-top: 20px;
}

h3:first-child { margin-top: 0; }

p { margin-bottom: 8px; }
p:last-child { margin-bottom: 0; }

ul { padding-left: 20px; }
li { margin-bottom: 4px; }

strong { font-weight: 600; }

a { color: var(--blue); }

/* ── Header ── */
header {
  background: linear-gradient(145deg, #0d3a68 0%, #1565a0 45%, #6b2fa0 100%);
  color: #fff;
  padding: 48px 16px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* subtle decorative tile-like dots */
header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

header h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  position: relative;
}

header .header-sub {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  position: relative;
}

header .header-badge {
  display: inline-block;
  margin-top: 14px;
  padding: 5px 14px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  position: relative;
}

/* ── Tab system ── */
.tab-system > input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* ── Primary Nav (dates) ── */
.nav-primary {
  background: var(--card-bg);
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.nav-primary label {
  flex: 1;
  text-align: center;
  padding: 16px 8px;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  text-transform: uppercase;
}

.nav-primary label:hover { color: var(--terra); }

/* Active date tab */
#may-lagos:checked ~ .nav-primary label[for="may-lagos"],
#may-porto:checked ~ .nav-primary label[for="may-lagos"],
#june-lagos:checked ~ .nav-primary label[for="june-lagos"],
#june-porto:checked ~ .nav-primary label[for="june-lagos"],
#sept-lagos:checked ~ .nav-primary label[for="sept-lagos"],
#sept-porto:checked ~ .nav-primary label[for="sept-lagos"] {
  color: var(--terra);
  border-bottom-color: var(--terra);
}

/* ── Secondary Nav (location) ── */
.nav-secondary {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
}

.nav-secondary .loc-group {
  display: none;
  gap: 8px;
  flex-wrap: wrap;
}

#may-lagos:checked ~ .nav-secondary .loc-may,
#may-porto:checked ~ .nav-secondary .loc-may { display: flex; }
#june-lagos:checked ~ .nav-secondary .loc-june,
#june-porto:checked ~ .nav-secondary .loc-june { display: flex; }
#sept-lagos:checked ~ .nav-secondary .loc-sept,
#sept-porto:checked ~ .nav-secondary .loc-sept { display: flex; }

.nav-secondary label {
  padding: 6px 16px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--muted);
  background: var(--card-bg);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: all 0.15s;
  box-shadow: var(--shadow-sm);
}

.nav-secondary label:hover {
  border-color: var(--terra);
  color: var(--terra);
}

/* Active location pill */
#may-lagos:checked ~ .nav-secondary label[for="may-lagos"],
#june-lagos:checked ~ .nav-secondary label[for="june-lagos"],
#sept-lagos:checked ~ .nav-secondary label[for="sept-lagos"],
#may-porto:checked ~ .nav-secondary label[for="may-porto"],
#june-porto:checked ~ .nav-secondary label[for="june-porto"],
#sept-porto:checked ~ .nav-secondary label[for="sept-porto"] {
  background: var(--terra);
  border-color: var(--terra);
  color: #fff;
  box-shadow: 0 2px 8px rgba(126,61,181,0.3);
}

/* ── Panels ── */
.panels > section { display: none; }

#may-lagos:checked ~ .panels #panel-may-lagos { display: block; }
#may-porto:checked ~ .panels #panel-may-porto { display: block; }
#june-lagos:checked ~ .panels #panel-june-lagos { display: block; }
#june-porto:checked ~ .panels #panel-june-porto { display: block; }
#sept-lagos:checked ~ .panels #panel-sept-lagos { display: block; }
#sept-porto:checked ~ .panels #panel-sept-porto { display: block; }

.panel { padding: 24px 16px 0; }

/* ── Summary Card ── */
.summary-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-top: 4px solid var(--terra);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 24px;
  box-shadow: var(--shadow-sm);
}

.summary-card .full-width { grid-column: 1 / -1; }

.summary-item label {
  display: block;
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--terra);
  margin-bottom: 3px;
}

.summary-item span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

/* ── Callout ── */
.callout {
  background: var(--callout-bg);
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 16px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}

.callout strong {
  display: block;
  margin-bottom: 8px;
  color: #8a6000;
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* ── Section label ── */
.section-label {
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--muted);
  margin-bottom: 8px;
  display: block;
}

/* ── Hotels ── */
.hotels {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.hotel-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--terra);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, transform 0.1s;
}

.hotel-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.hotel-card .hotel-name {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--text);
  margin-bottom: 3px;
}

.hotel-card .hotel-price {
  display: inline-block;
  font-size: 0.775rem;
  color: var(--terra);
  font-weight: 700;
  background: var(--terra-light);
  padding: 1px 8px;
  border-radius: 10px;
  margin-bottom: 6px;
}

.hotel-card .hotel-note {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: 0;
}

/* ── Day Details ── */
.days { margin-bottom: 28px; }

.days details {
  border-bottom: 1px solid var(--border);
}

.days details:first-child {
  border-top: 1px solid var(--border);
}

.days summary {
  padding: 15px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9375rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  color: var(--text);
  transition: color 0.12s;
}

.days details[open] > summary {
  color: var(--terra);
}

.days summary::-webkit-details-marker { display: none; }

.days summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--border);
  flex-shrink: 0;
  margin-left: 12px;
  font-weight: 400;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  text-align: center;
  padding-bottom: 1px;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.days details[open] summary::after {
  content: '−';
  background: var(--terra-light);
  border-color: var(--terra);
  color: var(--terra);
}

.day-content {
  padding: 4px 0 18px 0;
  font-size: 0.9rem;
  border-left: 2px solid var(--terra-light);
  padding-left: 16px;
  margin-left: 2px;
}

.day-content p { color: var(--text); }

.day-content .tip {
  color: var(--muted);
  font-style: italic;
  font-size: 0.85rem;
  margin-top: 4px;
}

/* ── Section wrapper ── */
.content-section {
  padding: 32px 16px;
  border-top: 1px solid var(--border);
}

/* ── Location-aware sections ── */
.lagos-content, .porto-content { display: none; }

#may-lagos:checked ~ .comparison .lagos-content,
#june-lagos:checked ~ .comparison .lagos-content,
#sept-lagos:checked ~ .comparison .lagos-content { display: block; }

#may-porto:checked ~ .comparison .porto-content,
#june-porto:checked ~ .comparison .porto-content,
#sept-porto:checked ~ .comparison .porto-content { display: block; }

#may-lagos:checked ~ .restaurants .lagos-content,
#june-lagos:checked ~ .restaurants .lagos-content,
#sept-lagos:checked ~ .restaurants .lagos-content { display: block; }

#may-porto:checked ~ .restaurants .porto-content,
#june-porto:checked ~ .restaurants .porto-content,
#sept-porto:checked ~ .restaurants .porto-content { display: block; }

#may-lagos:checked ~ .logistics .lagos-content,
#june-lagos:checked ~ .logistics .lagos-content,
#sept-lagos:checked ~ .logistics .lagos-content { display: block; }

#may-porto:checked ~ .logistics .porto-content,
#june-porto:checked ~ .logistics .porto-content,
#sept-porto:checked ~ .logistics .porto-content { display: block; }

#may-lagos:checked ~ .checklist .lagos-content,
#june-lagos:checked ~ .checklist .lagos-content,
#sept-lagos:checked ~ .checklist .lagos-content { display: block; }

#may-porto:checked ~ .checklist .porto-content,
#june-porto:checked ~ .checklist .porto-content,
#sept-porto:checked ~ .checklist .porto-content { display: block; }

/* ── Comparison tables ── */
.comparison {
  padding: 24px 16px 0;
}

/* ── Tables ── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 400px;
}

th {
  background: var(--blue-dark);
  color: #fff;
  font-weight: 700;
  text-align: left;
  padding: 11px 14px;
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

th:first-child { border-radius: var(--radius) 0 0 0; }
th:last-child  { border-radius: 0 var(--radius) 0 0; }

td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

tr:last-child td { border-bottom: none; }
tr:nth-child(even) td { background: #faf6f1; }

.cmp-table { min-width: 0; }

.cmp-table th,
.cmp-table td { padding: 8px 10px; }

.cmp-table th:first-child,
.cmp-table td:first-child {
  font-weight: 600;
  white-space: nowrap;
  color: var(--blue-dark);
}

/* ── Logistics ── */
.logistics-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.logistics-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.logistics-item h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.logistics-item p,
.logistics-item li {
  font-size: 0.875rem;
  color: var(--text);
}

/* ── Checklist ── */
.checklist-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.checklist-list li { margin-bottom: 0; }

.checklist-list label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  line-height: 1.4;
  -webkit-tap-highlight-color: transparent;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.12s, box-shadow 0.12s;
}

.checklist-list label:hover {
  border-color: var(--terra);
}

.checklist-list input[type="checkbox"] {
  margin-top: 2px;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--terra);
  cursor: pointer;
}

.checklist-list input[type="checkbox"]:checked + span {
  color: var(--muted);
  text-decoration: line-through;
}

/* checked item */
.checklist-list label:has(input:checked) {
  border-color: #c8e6c9;
  background: #f9fef9;
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 28px 16px;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 8px;
  background: var(--card-bg);
}

/* ── Desktop ── */
@media (min-width: 640px) {
  header { padding: 56px 16px 48px; }
  header h1 { font-size: 3rem; }
  header .header-sub { font-size: 1rem; }

  .nav-primary label {
    font-size: 0.875rem;
    padding: 16px 24px;
  }

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

  .hotels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .hotels .hotel-card:nth-child(3):last-child {
    grid-column: 1 / -1;
  }
}