/* ============================================
   SKYWAVE — Design System
   Font: Plus Jakarta Sans + Instrument Serif
   Palette: Alpine Frost (deep navy + sky blue)
   ============================================ */

:root {
  --navy:       #0A1929;
  --navy-mid:   #0D2137;
  --blue-deep:  #2E5090;
  --blue:       #3B6FD4;
  --blue-light: #A8C4E0;
  --sky:        #E3EDF7;
  --white:      #FFFFFF;
  --slate-50:   #F8FAFC;
  --slate-100:  #F1F5F9;
  --slate-200:  #E2E8F0;
  --slate-400:  #94A3B8;
  --slate-600:  #475569;
  --slate-800:  #1E293B;
  --green:      #10B981;
  --amber:      #F59E0B;
  --red:        #EF4444;
  --font-display: 'Instrument Serif', serif;
  --font-body:    'Plus Jakarta Sans', sans-serif;
  --radius:     12px;
  --radius-lg:  20px;
  --shadow-sm:  0 1px 3px rgba(10,25,41,0.08), 0 1px 2px rgba(10,25,41,0.06);
  --shadow:     0 4px 16px rgba(10,25,41,0.10), 0 2px 6px rgba(10,25,41,0.06);
  --shadow-lg:  0 20px 48px rgba(10,25,41,0.14), 0 8px 20px rgba(10,25,41,0.08);
  --shadow-xl:  0 32px 64px rgba(10,25,41,0.18);
}

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

body {
  font-family: var(--font-body);
  background: var(--slate-50);
  color: var(--slate-800);
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--slate-100); }
::-webkit-scrollbar-thumb { background: var(--blue-light); border-radius: 3px; }

/* ---- NAVBAR ---- */
.navbar {
  background: var(--navy);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}
.navbar-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--white);
  letter-spacing: -0.02em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.navbar-logo span { color: var(--blue-light); }
.navbar-links { display: flex; gap: 0.5rem; align-items: center; }
.nav-link {
  color: var(--blue-light);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  background: none;
}
.nav-link:hover { background: rgba(168,196,224,0.12); color: var(--white); }
.nav-link.active { background: rgba(168,196,224,0.18); color: var(--white); }
.nav-btn {
  background: var(--blue);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.nav-btn:hover { background: var(--blue-deep); transform: translateY(-1px); }

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 40%, var(--blue-deep) 100%);
  padding: 5rem 2rem 7rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { max-width: 900px; margin: 0 auto; position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(168,196,224,0.15);
  border: 1px solid rgba(168,196,224,0.25);
  color: var(--blue-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.hero-title em { color: var(--blue-light); font-style: italic; }
.hero-subtitle {
  color: rgba(168,196,224,0.8);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

/* ---- SEARCH CARD ---- */
.search-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 2rem;
  margin-top: 0;
}
.trip-type-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.trip-tab {
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--slate-200);
  background: none;
  color: var(--slate-600);
  transition: all 0.2s;
}
.trip-tab.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}
.trip-tab:hover:not(.active) { border-color: var(--blue); color: var(--blue); }

.search-row {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}
.search-row.cols-2 { grid-template-columns: 1fr 1fr; }
.search-row.cols-4 { grid-template-columns: 2fr 2fr 1.5fr 1.5fr; }
.search-row.cols-3 { grid-template-columns: 2fr 2fr 1fr; }

.field-group { display: flex; flex-direction: column; gap: 0.35rem; }
.field-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--slate-400);
}
.field-input {
  border: 2px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--slate-800);
  background: var(--white);
  transition: all 0.2s;
  outline: none;
  width: 100%;
}
.field-input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59,111,212,0.12); }
.field-input::placeholder { color: var(--slate-400); font-weight: 400; }

.swap-btn {
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  background: var(--blue);
  border: 3px solid var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: all 0.2s;
  color: var(--white);
  font-size: 0.9rem;
}
.swap-btn:hover { background: var(--blue-deep); transform: translateY(-50%) rotate(180deg); }
.route-fields { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ---- BUTTONS ---- */
.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 14px rgba(59,111,212,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,111,212,0.45);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--white);
  color: var(--blue);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: 2px solid var(--blue);
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-secondary:hover { background: var(--sky); }

.btn-ghost {
  background: none;
  color: var(--slate-600);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-ghost:hover { background: var(--slate-100); color: var(--slate-800); }

.btn-danger {
  background: none;
  color: var(--red);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  border: 2px solid var(--red);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-danger:hover { background: #FEF2F2; }

/* ---- FLIGHT CARD ---- */
.flight-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 2px solid var(--slate-200);
  padding: 1.5rem;
  transition: all 0.25s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.flight-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.flight-card.selected {
  border-color: var(--blue);
  background: linear-gradient(135deg, #EFF6FF 0%, var(--white) 100%);
}
.flight-card.selected::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--blue-deep));
}
.airline-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.flight-time {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--slate-800);
  letter-spacing: -0.03em;
  line-height: 1;
}
.flight-code {
  font-size: 0.75rem;
  color: var(--slate-400);
  font-weight: 500;
  margin-top: 2px;
}
.flight-duration-line {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0 1rem;
}
.duration-bar {
  width: 100%;
  height: 2px;
  background: var(--slate-200);
  border-radius: 1px;
  position: relative;
}
.duration-bar::before, .duration-bar::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}
.duration-bar::before { left: 0; }
.duration-bar::after { right: 0; }
.duration-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--slate-400);
}
.stop-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stop-label.nonstop { color: var(--green); }
.flight-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--blue-deep);
  letter-spacing: -0.03em;
  line-height: 1;
}
.price-label { font-size: 0.7rem; color: var(--slate-400); font-weight: 500; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.badge-green { background: #D1FAE5; color: #065F46; }
.badge-amber { background: #FEF3C7; color: #92400E; }
.badge-blue  { background: #DBEAFE; color: #1E40AF; }
.badge-red   { background: #FEE2E2; color: #991B1B; }

/* ---- FILTERS SIDEBAR ---- */
.filters-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 2px solid var(--slate-200);
  padding: 1.5rem;
  position: sticky;
  top: 80px;
}
.filter-section { margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--slate-200); }
.filter-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.filter-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--slate-400);
  margin-bottom: 0.75rem;
}
.filter-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate-600);
  transition: color 0.15s;
}
.filter-option:hover { color: var(--slate-800); }
.filter-checkbox {
  width: 18px;
  height: 18px;
  border: 2px solid var(--slate-300);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}
.filter-checkbox.checked { background: var(--blue); border-color: var(--blue); }
.price-range-track {
  height: 4px;
  background: var(--slate-200);
  border-radius: 2px;
  position: relative;
  margin: 1rem 0;
}
.price-range-fill {
  position: absolute;
  height: 100%;
  background: var(--blue);
  border-radius: 2px;
}

/* ---- SEAT MAP ---- */
.seat-map-container {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 2px solid var(--slate-200);
  padding: 2rem;
  overflow-x: auto;
}
.plane-nose {
  width: 120px;
  height: 60px;
  background: linear-gradient(180deg, var(--navy) 0%, var(--blue-deep) 100%);
  border-radius: 60px 60px 0 0;
  margin: 0 auto 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 8px;
}
.plane-body {
  background: linear-gradient(180deg, #F8FAFC 0%, #EFF6FF 100%);
  border: 2px solid var(--slate-200);
  border-top: none;
  border-radius: 0 0 20px 20px;
  padding: 1rem;
  min-width: 340px;
  max-width: 420px;
  margin: 0 auto;
}
.seat-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  justify-content: center;
}
.seat-row-num {
  width: 24px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--slate-400);
  text-align: right;
  flex-shrink: 0;
}
.seat-aisle { width: 20px; flex-shrink: 0; }
.seat {
  width: 34px;
  height: 34px;
  border-radius: 6px 6px 4px 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  position: relative;
}
.seat.available { background: #DBEAFE; border-color: #93C5FD; color: var(--blue-deep); }
.seat.available:hover { background: var(--blue); border-color: var(--blue-deep); color: var(--white); transform: scale(1.1); }
.seat.selected { background: var(--blue-deep); border-color: var(--navy); color: var(--white); transform: scale(1.05); }
.seat.occupied { background: var(--slate-200); border-color: var(--slate-300); color: var(--slate-400); cursor: not-allowed; }
.seat.first-class { background: #FEF3C7; border-color: #FCD34D; color: #92400E; }
.seat.first-class:hover { background: var(--amber); border-color: #D97706; color: var(--white); transform: scale(1.1); }
.seat.first-class.selected { background: #D97706; border-color: #92400E; color: var(--white); }
.seat.business { background: #F3E8FF; border-color: #C4B5FD; color: #5B21B6; }
.seat.business:hover { background: #7C3AED; border-color: #5B21B6; color: var(--white); transform: scale(1.1); }
.seat.business.selected { background: #5B21B6; border-color: #3B0764; color: var(--white); }
.seat-class-divider {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate-400);
  padding: 0.5rem 0;
  border-top: 2px dashed var(--slate-200);
  border-bottom: 2px dashed var(--slate-200);
  margin: 0.5rem 0;
}

/* ---- FORMS ---- */
.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 2px solid var(--slate-200);
  padding: 2rem;
  margin-bottom: 1.5rem;
}
.form-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate-800);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.form-grid { display: grid; gap: 1rem; }
.form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

/* ---- BOOKING SUMMARY ---- */
.summary-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 2px solid var(--slate-200);
  overflow: hidden;
  position: sticky;
  top: 80px;
}
.summary-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-deep) 100%);
  padding: 1.25rem 1.5rem;
  color: var(--white);
}
.summary-body { padding: 1.5rem; }
.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--slate-100);
}
.summary-row:last-child { border-bottom: none; }
.summary-row.total {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--blue-deep);
  border-top: 2px solid var(--slate-200);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

/* ---- PAYMENT ---- */
.card-preview {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-deep) 60%, #4A90D9 100%);
  border-radius: 16px;
  padding: 1.75rem;
  color: var(--white);
  position: relative;
  overflow: hidden;
  min-height: 180px;
  box-shadow: var(--shadow-lg);
}
.card-preview::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.card-preview::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -20px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.card-chip {
  width: 40px; height: 30px;
  background: linear-gradient(135deg, #FFD700, #FFA500);
  border-radius: 6px;
  margin-bottom: 1.5rem;
}
.card-number {
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  font-weight: 600;
  margin-bottom: 1rem;
}
.card-meta { display: flex; justify-content: space-between; font-size: 0.8rem; opacity: 0.8; }

/* ---- CONFIRMATION / E-TICKET ---- */
.ticket {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  max-width: 680px;
  margin: 0 auto;
}
.ticket-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-deep) 100%);
  padding: 2rem;
  color: var(--white);
  text-align: center;
}
.ticket-body { padding: 2rem; }
.ticket-divider {
  display: flex;
  align-items: center;
  margin: 1.5rem -2rem;
  position: relative;
}
.ticket-divider::before {
  content: '';
  flex: 1;
  height: 2px;
  border-top: 2px dashed var(--slate-200);
}
.ticket-circle {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--slate-50);
  border: 2px solid var(--slate-200);
  flex-shrink: 0;
}
.ticket-circle.left { margin-left: -14px; }
.ticket-circle.right { margin-right: -14px; }
.qr-placeholder {
  width: 120px; height: 120px;
  background: var(--slate-100);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--slate-400);
  font-weight: 600;
  text-align: center;
  border: 2px solid var(--slate-200);
  position: relative;
  overflow: hidden;
}
.qr-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 2px;
  padding: 8px;
  width: 100%;
  height: 100%;
}
.qr-cell {
  border-radius: 1px;
}

/* ---- MY BOOKINGS ---- */
.booking-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 2px solid var(--slate-200);
  padding: 1.5rem;
  transition: all 0.2s;
  margin-bottom: 1rem;
}
.booking-item:hover { border-color: var(--blue-light); box-shadow: var(--shadow); }
.booking-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
}
.status-confirmed { background: #D1FAE5; color: #065F46; }
.status-pending   { background: #FEF3C7; color: #92400E; }
.status-cancelled { background: #FEE2E2; color: #991B1B; }

/* ---- PROGRESS STEPS ---- */
.progress-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 2rem;
  background: var(--white);
  border-bottom: 1px solid var(--slate-200);
  gap: 0;
}
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
}
.step-circle {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  border: 2px solid var(--slate-300);
  background: var(--white);
  color: var(--slate-400);
  transition: all 0.3s;
  z-index: 1;
}
.step.active .step-circle { background: var(--blue); border-color: var(--blue); color: var(--white); }
.step.done .step-circle { background: var(--green); border-color: var(--green); color: var(--white); }
.step-label { font-size: 0.7rem; font-weight: 600; color: var(--slate-400); white-space: nowrap; }
.step.active .step-label { color: var(--blue); }
.step.done .step-label { color: var(--green); }
.step-line {
  flex: 1;
  height: 2px;
  background: var(--slate-200);
  min-width: 40px;
  max-width: 80px;
  transition: background 0.3s;
}
.step-line.done { background: var(--green); }

/* ---- PAGE LAYOUT ---- */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}
.page-header {
  margin-bottom: 2rem;
}
.page-title {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--slate-800);
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.page-subtitle { color: var(--slate-400); font-size: 0.95rem; }

/* ---- ANIMATIONS ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-ring {
  0%   { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(59,111,212,0.4); }
  70%  { transform: scale(1);    box-shadow: 0 0 0 10px rgba(59,111,212,0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(59,111,212,0); }
}
@keyframes checkmark {
  0%   { stroke-dashoffset: 100; }
  100% { stroke-dashoffset: 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.animate-fade-up   { animation: fadeInUp 0.5s ease both; }
.animate-fade-in   { animation: fadeIn 0.4s ease both; }
.animate-slide-right { animation: slideInRight 0.4s ease both; }
.animate-float     { animation: float 3s ease-in-out infinite; }

.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.10s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.20s; }
.stagger-5 { animation-delay: 0.25s; }

.skeleton {
  background: linear-gradient(90deg, var(--slate-100) 25%, var(--slate-200) 50%, var(--slate-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,25,41,0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.2s ease;
}
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  animation: fadeInUp 0.3s ease;
}

/* ---- TOAST ---- */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.toast {
  background: var(--slate-800);
  color: var(--white);
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideInRight 0.3s ease;
  min-width: 280px;
}
.toast.success { background: #065F46; }
.toast.error   { background: #991B1B; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .search-row.cols-4,
  .search-row.cols-3,
  .search-row.cols-2 { grid-template-columns: 1fr; }
  .route-fields { grid-template-columns: 1fr; }
  .form-grid.cols-2,
  .form-grid.cols-3 { grid-template-columns: 1fr; }
  .hero { padding: 3rem 1rem 5rem; }
  .hero-title { font-size: 2rem; }
  .navbar { padding: 0 1rem; }
  .page-container { padding: 1rem; }
  .progress-bar { padding: 1rem; gap: 0; overflow-x: auto; }
  .step-line { min-width: 20px; }
}

/* ---- UTILITIES ---- */
.divider { height: 1px; background: var(--slate-200); margin: 1.5rem 0; }
.text-muted { color: var(--slate-400); }
.text-small { font-size: 0.8rem; }
.font-display { font-family: var(--font-display); }
.gap-sm { gap: 0.5rem; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.w-full { width: 100%; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* ---- POPULAR ROUTES ---- */
.route-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--slate-200);
  cursor: pointer;
  transition: all 0.25s;
}
.route-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-light); }
.route-img {
  height: 140px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.route-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,25,41,0.7) 0%, transparent 60%);
}
.route-info { padding: 1rem; }
.route-city { font-weight: 700; font-size: 1rem; color: var(--slate-800); }
.route-price { font-weight: 800; color: var(--blue); font-size: 1.1rem; }

/* ---- TRUST BADGES ---- */
.trust-bar {
  background: var(--white);
  border-top: 1px solid var(--slate-200);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate-600);
}