:root {
  --booking-blue: #003b95;
  --booking-blue-bright: #006ce4;
  --booking-yellow: #febb02;
  --booking-text: #1a1f36;
  --booking-muted: #6b7280;
  --booking-border: #d7e0ea;
  --booking-bg: #f5f7fb;
  --booking-card: #ffffff;
  --booking-success: #157347;
  --booking-error: #b42318;
  --shadow-lg: 0 20px 60px rgba(7, 32, 70, 0.18);
  --shadow-md: 0 10px 30px rgba(7, 32, 70, 0.1);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --transition: 0.28s ease;
  --container: 1180px;
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--booking-text);
  background:
    radial-gradient(circle at top left, rgba(0, 108, 228, 0.12), transparent 38%),
    linear-gradient(180deg, #eef5ff 0%, #f6f8fc 46%, #f4f7fb 100%);
}

body {
  min-height: 100vh;
}

button,
input,
select,
textarea {
  font: inherit;
}

.page-shell {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 20px 72px;
}

.hero {
  background: linear-gradient(135deg, var(--booking-blue) 0%, #0058b0 100%);
  color: #fff;
  border-radius: 28px;
  padding: 44px 28px 120px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero::after {
  content: "";
  position: absolute;
  right: -100px;
  top: -80px;
  width: 320px;
  height: 320px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 14px;
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.06;
}

.hero p {
  margin: 0;
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
}

.search-card {
  margin-top: -76px;
  position: relative;
  z-index: 2;
  background: var(--booking-card);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  padding: 24px;
  border: 1px solid rgba(0, 59, 149, 0.08);
}

.search-grid,
.contacts-grid,
.option-grid {
  display: grid;
  gap: 16px;
}

.search-grid {
  grid-template-columns: 2fr repeat(4, 1fr);
}

.contacts-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.option-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field-group {
  min-width: 0;
}

.field-group--wide {
  grid-column: span 2;
}

.field-group label {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--booking-muted);
  font-weight: 600;
}

.booking-field {
  background: #fff;
  border: 1px solid var(--booking-border);
  border-radius: var(--radius-md);
  height: 58px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.booking-field--accent {
  border: 2px solid var(--booking-yellow);
  box-shadow: 0 0 0 3px rgba(254, 187, 2, 0.18);
}

.booking-field--textarea {
  height: auto;
}

.booking-field:focus-within {
  border-color: var(--booking-blue-bright);
  box-shadow: 0 0 0 4px rgba(0, 108, 228, 0.14);
  transform: translateY(-1px);
}

.booking-field select,
.booking-field input,
.booking-field textarea {
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
  color: var(--booking-text);
  padding: 0 16px;
  outline: none;
}

.booking-field textarea {
  padding: 14px 16px;
  resize: vertical;
  min-height: 110px;
}

.child-ages-wrap {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  transition: opacity var(--transition), transform var(--transition);
}

.child-age-card {
  background: #f8fbff;
  border: 1px solid #d7e9ff;
  border-radius: 18px;
  padding: 14px;
}

.child-age-card h4 {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--booking-blue);
}

.search-actions,
.modal-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 20px;
}

.primary-btn {
  border: 0;
  border-radius: 14px;
  background: var(--booking-blue-bright);
  color: #fff;
  padding: 14px 22px;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  box-shadow: 0 10px 26px rgba(0, 108, 228, 0.22);
}

.primary-btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.primary-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.primary-btn--large {
  min-width: 180px;
  min-height: 58px;
}

.inline-message {
  margin-top: 16px;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.5;
}

.inline-message--error {
  background: #fff2f0;
  color: var(--booking-error);
  border: 1px solid #f5c8c2;
}

.inline-message--success {
  background: #e9f8ef;
  color: var(--booking-success);
  border: 1px solid #b7e1c3;
}

.is-hidden {
  display: none;
}

.field-error {
  min-height: 18px;
  margin-top: 8px;
  color: var(--booking-error);
  font-size: 13px;
}

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  z-index: 1200;
}

.modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 24, 40, 0.48);
  backdrop-filter: blur(3px);
}

.modal__panel {
  position: relative;
  width: min(980px, 100%);
  max-height: min(92vh, 1100px);
  overflow: auto;
  border-radius: 26px;
  background: var(--booking-card);
  box-shadow: var(--shadow-lg);
  transform: translateY(16px) scale(0.98);
  transition: transform var(--transition);
}

.modal.is-open .modal__panel {
  transform: translateY(0) scale(1);
}

.modal__close {
  position: absolute;
  right: 16px;
  top: 14px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: #eef3fb;
  color: var(--booking-blue);
  font-size: 26px;
  cursor: pointer;
}

.modal__header,
.modal__body {
  padding: 28px;
}

.modal__header {
  border-bottom: 1px solid #e7eef7;
}

.modal__eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--booking-blue-bright);
  margin-bottom: 10px;
}

.modal__header h2,
.contacts-head h3,
.summary-card h3 {
  margin: 0 0 8px;
}

.modal__header p,
.contacts-head p,
.section-title-row p,
.summary-meta {
  margin: 0;
  color: var(--booking-muted);
  line-height: 1.6;
}

.summary-card,
.option-section,
.contacts-panel__inner {
  background: #fff;
  border: 1px solid #e8eef6;
  border-radius: 22px;
  box-shadow: var(--shadow-md);
}

.summary-card,
.option-section {
  padding: 22px;
}

.summary-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.summary-total-top {
  font-size: 30px;
  font-weight: 800;
  color: var(--booking-blue);
  white-space: nowrap;
}

.price-breakdown {
  display: grid;
  gap: 12px;
}

.price-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px dashed #e3ebf5;
}

.price-line:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.price-line strong {
  color: var(--booking-text);
}

.price-line--highlight strong:last-child {
  color: var(--booking-blue);
  font-size: 18px;
}

.price-line--discount strong:last-child {
  color: var(--booking-success);
}

.section-title-row {
  margin-bottom: 16px;
}

.option-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 128px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid #d6e3f2;
  background: #fdfefe;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.option-card:hover {
  transform: translateY(-2px);
}

.option-card.is-selected {
  border-color: var(--booking-blue-bright);
  background: #f2f8ff;
  box-shadow: 0 0 0 4px rgba(0, 108, 228, 0.12);
}

.option-card input {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.option-card__title {
  font-size: 16px;
  font-weight: 800;
  color: var(--booking-text);
}

.option-card__desc {
  color: var(--booking-muted);
  line-height: 1.5;
  font-size: 14px;
}

.payment-hint {
  margin-top: 16px;
  border-radius: 16px;
  background: #f6faff;
  border: 1px solid #d6e9ff;
  color: var(--booking-blue);
  padding: 14px 16px;
  line-height: 1.5;
}

.contacts-panel {
  margin-top: 18px;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(8px);
  transition: max-height 0.38s ease, opacity 0.28s ease, transform 0.28s ease;
}

.contacts-panel.is-open {
  max-height: 1200px;
  opacity: 1;
  transform: translateY(0);
}

.contacts-panel__inner {
  padding: 22px;
}

.contacts-head {
  margin-bottom: 18px;
}

@media (max-width: 1080px) {
  .search-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  .page-shell {
    padding: 16px 12px 40px;
  }

  .hero {
    padding: 28px 18px 92px;
    border-radius: 22px;
  }

  .search-card {
    margin-top: -52px;
    padding: 16px;
    border-radius: 20px;
  }

  .search-grid,
  .contacts-grid {
    grid-template-columns: 1fr;
  }

  .field-group--wide {
    grid-column: auto;
  }

  .summary-card__top {
    flex-direction: column;
  }

  .summary-total-top {
    font-size: 26px;
  }

  .modal {
    padding: 8px;
  }

  .modal__panel {
    width: 100%;
    max-height: 96vh;
    border-radius: 20px;
  }

  .modal__header,
  .modal__body {
    padding: 18px;
  }

  .search-actions,
  .modal-actions {
    justify-content: stretch;
  }

  .primary-btn,
  .primary-btn--large {
    width: 100%;
  }
}