/* Phase 1: Landing page CSS additions for the new homepage */
/* ===== How It Works Flow ===== */
.how-section {
  padding: var(--space-24) 0;
  background: var(--c-cream);
}
.how-flow {
  display: flex; align-items: flex-start; justify-content: center; gap: 0;
  margin-top: var(--space-12); flex-wrap: wrap;
}
.how-step {
  flex: 1; min-width: 160px; max-width: 200px; text-align: center; padding: 0 var(--space-4);
}
.how-step-icon {
  width: 72px; height: 72px; border-radius: 50%; margin: 0 auto var(--space-4);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.5rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  transition: transform var(--transition-base);
}
.how-step:hover .how-step-icon { transform: scale(1.08); }
.how-step h4 {
  font-size: var(--text-lg); font-family: var(--font-body); font-weight: 600;
  margin-bottom: var(--space-2); color: var(--c-dark);
}
.how-step p { font-size: var(--text-sm); color: var(--c-text-muted); line-height: 1.5; }
.how-arrow {
  display: flex; align-items: flex-start; padding-top: 24px;
  font-size: 1.25rem; color: var(--c-border-strong); opacity: 0.6;
}

/* ===== AI Features Grid ===== */
.ai-features-section {
  padding: var(--space-24) 0;
  background: var(--c-warm);
}
.ai-features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8); margin-top: var(--space-12);
}
.ai-feature-card {
  background: var(--c-card); border: 1px solid var(--c-card-border);
  border-radius: var(--radius-lg); padding: var(--space-8);
  cursor: pointer; transition: all var(--transition-base);
  position: relative; overflow: hidden;
}
.ai-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-primary-light);
}
.ai-feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--c-primary);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition-base);
}
.ai-feature-card:hover::before { transform: scaleX(1); }
.ai-feature-icon {
  width: 56px; height: 56px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent-dark));
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.3rem; margin-bottom: var(--space-4);
}
.ai-feature-card h4 {
  font-size: var(--text-lg); font-family: var(--font-body); font-weight: 600;
  margin-bottom: var(--space-2); color: var(--c-card-text);
}
.ai-feature-card p { font-size: var(--text-sm); color: var(--c-card-muted); line-height: 1.6; }
.ai-feature-tag {
  display: inline-block; margin-top: var(--space-3);
  background: var(--c-primary); color: white; font-size: var(--text-xs);
  padding: 3px 10px; border-radius: var(--radius-full); font-weight: 600;
}

/* ===== Highlights Section ===== */
.highlights-section {
  padding: var(--space-24) 0;
  background: var(--c-cream);
}
.highlights-tabs {
  display: flex; gap: var(--space-3); justify-content: center;
  margin: var(--space-8) 0 var(--space-10);
  flex-wrap: wrap;
}
.hl-tab {
  padding: 10px 24px; border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 500;
  color: var(--c-text-muted); border: 1.5px solid var(--c-border);
  transition: all var(--transition-fast); background: var(--c-surface);
}
.hl-tab:hover { border-color: var(--c-primary); color: var(--c-primary); }
.hl-tab.active {
  background: var(--c-primary); color: white; border-color: var(--c-primary);
  box-shadow: 0 4px 12px rgba(200,85,61,0.25);
}
.highlights-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.hl-card {
  border-radius: var(--radius-md); overflow: hidden;
  cursor: pointer; background: var(--c-card);
  border: 1px solid var(--c-card-border);
  transition: all var(--transition-base);
}
.hl-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.hl-card-img {
  aspect-ratio: 1/1; overflow: hidden; background: #252a3a;
}
.hl-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}
.hl-card:hover .hl-card-img img { transform: scale(1.05); }
.hl-card-body { padding: var(--space-4); }
.hl-card-body h5 {
  font-size: var(--text-base); font-family: var(--font-body); font-weight: 600;
  margin-bottom: var(--space-1); color: var(--c-card-text);
}
.hl-card-meta {
  font-size: var(--text-sm); color: var(--c-card-muted);
  display: flex; align-items: center; gap: 4px;
}
.hl-card-meta .stars { color: var(--c-gold); }

/* ===== CTA Banner (new style) ===== */
.cta-section {
  padding: var(--space-24) 0;
  background: var(--c-cream);
}
.cta-banner {
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent-dark));
  border-radius: var(--radius-xl); padding: var(--space-16) var(--space-12);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-8); flex-wrap: wrap;
}
.cta-text h2 {
  color: white; font-size: var(--text-4xl); margin-bottom: var(--space-2);
}
.cta-text p { color: rgba(255,255,255,0.85); font-size: var(--text-lg); max-width: 500px; }
.cta-btn {
  padding: 16px 36px; border-radius: var(--radius-full);
  background: white; color: var(--c-primary); font-weight: 700;
  font-size: var(--text-lg); transition: all var(--transition-base);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
  display: flex; align-items: center; gap: var(--space-3);
  white-space: nowrap;
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}

/* ===== Hero subtitle ===== */
.hero-subtitle {
  max-width: 640px; margin: 0 auto var(--space-8);
  font-size: var(--text-lg) !important;
  line-height: 1.6 !important;
  opacity: 0.85;
}

/* ===== Hero AI button (solid gradient) ===== */
.hero-ai-btn {
  padding: 14px 28px; border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: white; font-weight: 700; font-size: var(--text-base);
  white-space: nowrap; box-shadow: 0 4px 20px rgba(200,85,61,0.3);
  transition: all var(--transition-base); display: flex; align-items: center; gap: var(--space-2);
}
.hero-ai-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(200,85,61,0.4);
  filter: brightness(1.08);
}

/* ===== Hero chips (new style) ===== */
.hero-ai-chips span {
  padding: 8px 18px; border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9); font-size: var(--text-sm); font-weight: 500;
  cursor: pointer; transition: all var(--transition-fast); white-space: nowrap;
}
.hero-ai-chips span:hover {
  background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.3);
}

/* ===== Section Header unified ===== */
.section-header {
  text-align: center; max-width: 680px; margin: 0 auto;
}
.section-header h2 {
  font-size: var(--text-4xl); margin-bottom: var(--space-3);
}
.section-header p {
  font-size: var(--text-lg); color: var(--c-text-muted); line-height: 1.6;
}
.section-eyebrow {
  text-transform: uppercase; font-size: var(--text-xs); font-weight: 700;
  letter-spacing: 0.1em; color: var(--c-primary); margin-bottom: var(--space-3);
  text-align: center;
}

/* ===== Footer expanded ===== */
.footer-logo {
  font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700;
  color: var(--c-primary); display: flex; align-items: center; gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.footer-tagline {
  font-style: italic; color: var(--c-text-muted); margin-bottom: var(--space-3);
  font-size: var(--text-sm);
}
.footer-social {
  display: flex; gap: var(--space-3); margin-top: var(--space-4);
}
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: all var(--transition-fast); color: var(--c-text-muted);
}
.footer-social a:hover { background: var(--c-primary); color: white; }
.footer-emergency li {
  padding: 4px 0; display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm);
}
.footer-emergency li i { width: 16px; color: var(--c-primary); }
.lang-btn-footer {
  padding: 4px 10px; border-radius: var(--radius-xs); font-size: var(--text-xs);
  font-weight: 600; color: var(--c-text-muted); border: 1px solid var(--c-border);
  transition: all var(--transition-fast); margin-right: 4px;
}
.lang-btn-footer.active, .lang-btn-footer:hover {
  background: var(--c-primary); color: white; border-color: var(--c-primary);
}

/* ===== Food Category Scroll (Restaurants page) ===== */
.food-cat-scroll::-webkit-scrollbar { height: 4px; }
.food-cat-scroll::-webkit-scrollbar-track { background: transparent; }
.food-cat-scroll::-webkit-scrollbar-thumb { background: var(--c-border-strong); border-radius: 4px; }

/* ===== Attraction Category Filter Badges ===== */
.attraction-filter-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 50px; font-size: var(--text-xs);
  font-weight: 600; margin-right: 6px; margin-bottom: 6px;
}
.attraction-filter-badge.unesco { background: #1E6D4B15; color: #1E6D4B; }
.attraction-filter-badge.beach { background: #0EA5E915; color: #0EA5E9; }
.attraction-filter-badge.observation { background: #F59E0B15; color: #D97706; }
.attraction-filter-badge.instagram { background: #EC489915; color: #BE185D; }
.attraction-filter-badge.park { background: #1E6D4B15; color: #1E6D4B; }
.attraction-filter-badge.museum { background: #26465315; color: #264653; }
.attraction-filter-badge.heritage { background: #C8553D15; color: #C8553D; }
.attraction-filter-badge.religious { background: #E11D4815; color: #E11D48; }

/* ===== PAGE TRANSITIONS & ANIMATIONS ===== */
/* Fade-in on scroll */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1; transform: translateY(0);
}

/* Page transition */
#app {
  animation: pageFadeIn 0.35s ease;
}
@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--c-border) 25%, var(--c-cream) 50%, var(--c-border) 75%);
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeletonShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Hover card lift */
.how-step, .ai-feature-card, .hl-card, .cat-card, .event-card, .attraction-card, .rest-card {
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

/* Trip actions bar */
.trip-actions-bar {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin: 20px 0;
}
.btn-trip-action {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600; cursor: pointer;
  border: 1px solid var(--c-border); background: var(--c-card);
  color: var(--c-dark); transition: all var(--transition-fast);
}
.btn-trip-action:hover {
  background: var(--c-primary); color: white; border-color: var(--c-primary);
  transform: translateY(-1px); box-shadow: 0 4px 12px rgba(200,85,61,0.25);
}
.trip-actions-bar .btn-trip-action:nth-child(3):hover { background: #DC2626; border-color: #DC2626; }
.trip-actions-bar .btn-trip-action:nth-child(4):hover { background: #2563EB; border-color: #2563EB; }

/* AI travel diary button */
.btn-ai-diary {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: 50px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-navy));
  color: white; font-weight: 600; font-size: var(--text-sm);
  border: none; cursor: pointer; transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(200,85,61,0.3);
}
.btn-ai-diary:hover {
  transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,85,61,0.4);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .ai-features-grid { grid-template-columns: repeat(2, 1fr); }
  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .how-flow { gap: var(--space-4); }
  .how-arrow { display: none; }
  .how-step { min-width: 140px; }
  .cta-banner { text-align: center; justify-content: center; }
}
@media (max-width: 640px) {
  .ai-features-grid { grid-template-columns: 1fr; }
  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .how-step { min-width: 120px; }
  .hl-tab { padding: 8px 16px; font-size: var(--text-xs); }
  .cta-section { padding: var(--space-12) var(--space-4); }
  .cta-banner { padding: var(--space-10) var(--space-6); }
  .cta-text h2 { font-size: var(--text-2xl); }
}