:root {
  --color-primary: #004FEF;
  --color-primary-dark: #0034A0;
  --color-ink: #111827;
  --color-text: #1a1a2e;
  --color-muted: #6B7280;
  --color-faint: #6B7280;
  --color-border: #E5EAFF;
  --color-surface: #FAFBFF;
  --color-bg: #EEF2FF;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;

  --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 79, 239, 0.08);
  --shadow-lg: 0 12px 48px rgba(0, 79, 239, 0.14);
  --shadow-focus: 0 0 0 4px rgba(0, 79, 239, 0.14);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top, #F5F8FF 0%, var(--color-bg) 55%, #E3E9FF 100%);
  background-attachment: fixed;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  color: var(--color-text);
  min-height: 100vh;
}

.page-center {
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 56px 16px;
}

.card {
  width: 100%;
  max-width: 640px;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0, 79, 239, 0.06);
  animation: card-in 0.45s var(--ease);
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: 44px 40px 34px;
  color: #fff;
  position: relative;
}

.brand-tag {
  display: inline-block;
  background: rgba(255,255,255,0.16);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-size: calc(11px * var(--a11y-scale, 1));
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.92);
  margin-bottom: 18px;
}

.card-header h1 {
  margin: 0 0 8px;
  font-size: calc(27px * var(--a11y-scale, 1));
  font-weight: 700;
  letter-spacing: -0.3px;
  line-height: 1.3;
}

.subtitle {
  margin: 0;
  font-size: calc(13.5px * var(--a11y-scale, 1));
  font-weight: 500;
  color: rgba(255,255,255,0.78);
}

.card-body {
  padding: 36px 40px 40px;
}

/* Forms */
.section-label {
  font-size: calc(10.5px * var(--a11y-scale, 1));
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 18px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label,
.form-group .field-label {
  display: block;
  font-size: calc(12.5px * var(--a11y-scale, 1));
  font-weight: 700;
  color: #374151;
  margin-bottom: 7px;
  letter-spacing: 0.2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: calc(14.5px * var(--a11y-scale, 1));
  color: var(--color-ink);
  background: var(--color-surface);
  outline: none;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease), background 0.15s var(--ease);
  font-family: inherit;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: #C7D2FE;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: var(--shadow-focus);
}

.form-group textarea {
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: calc(13px * var(--a11y-scale, 1));
  font-weight: 500;
  color: #374151;
  cursor: pointer;
  padding: 8px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease), transform 0.1s var(--ease);
}

.checkbox-label:hover {
  border-color: var(--color-primary);
  background: #F0F4FF;
  transform: translateY(-1px);
}

.checkbox-label input {
  width: auto;
  margin: 0;
  accent-color: var(--color-primary);
}

.availability-grid {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: calc(12px * var(--a11y-scale, 1));
  overflow-x: auto;
  display: block;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
}

.availability-grid thead, .availability-grid tbody {
  display: table;
  width: 100%;
  table-layout: fixed;
}

.availability-grid th, .availability-grid td {
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  padding: 8px 4px;
  text-align: center;
}

.availability-grid th:last-child, .availability-grid td:last-child { border-right: none; }
.availability-grid tbody tr:last-child td, .availability-grid tbody tr:last-child th { border-bottom: none; }

.availability-grid thead th {
  background: #F0F4FF;
  color: #374151;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.availability-grid tbody th {
  background: var(--color-surface);
  color: var(--color-muted);
  font-weight: 600;
  white-space: nowrap;
  text-align: right;
  padding-right: 10px;
}

.availability-grid td {
  transition: background 0.15s var(--ease);
}

.availability-grid td:has(input:checked) {
  background: #EAF1FF;
}

.availability-grid td input {
  width: auto;
  margin: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
  transform: scale(1.1);
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: calc(14px * var(--a11y-scale, 1));
  font-weight: 700;
  text-decoration: none;
  padding: 13px 30px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background 0.18s var(--ease), transform 0.12s var(--ease), box-shadow 0.18s var(--ease);
  letter-spacing: 0.2px;
  box-shadow: 0 2px 8px rgba(0, 79, 239, 0.25);
}

.btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 79, 239, 0.3);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0, 79, 239, 0.25);
}

.btn:focus-visible {
  box-shadow: var(--shadow-focus);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-full {
  width: 100%;
  text-align: center;
  margin-top: 8px;
  font-size: calc(15px * var(--a11y-scale, 1));
  padding: 15px;
}

.btn-secondary {
  background: #F3F4F6;
  color: #374151;
  margin-left: 8px;
  box-shadow: none;
}

.btn-secondary:hover {
  background: #E5E7EB;
  box-shadow: var(--shadow-sm);
}

/* Success */
.success-list {
  margin: 18px 0;
}

.success-item {
  padding: 11px 16px;
  background: #F0FDF4;
  border-left: 3px solid #22C55E;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: calc(13.5px * var(--a11y-scale, 1));
  font-weight: 500;
  color: #166534;
  margin-bottom: 7px;
  box-shadow: var(--shadow-sm);
}

/* Pricing summary */
.pricing-summary {
  margin: 22px 0;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.pricing-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 18px;
  font-size: calc(13.5px * var(--a11y-scale, 1));
  color: #374151;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.pricing-row:nth-child(even) { background: #fff; }
.pricing-row:last-child { border-bottom: none; }

.pricing-row.total {
  background: #EEF2FF;
  font-weight: 800;
  font-size: calc(15.5px * var(--a11y-scale, 1));
  color: var(--color-primary);
}

/* Error */
.error-detail {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--radius-sm);
  padding: 13px;
  font-size: calc(12px * var(--a11y-scale, 1));
  color: #991B1B;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 14px 0;
}

.lead { font-size: calc(15px * var(--a11y-scale, 1)); color: #374151; }
.muted { color: var(--color-faint); }

/* Notice box */
.notice-box {
  background: #FFF7ED;
  border-left: 3px solid #F59E0B;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.notice-box p {
  margin: 0;
  font-size: calc(13.5px * var(--a11y-scale, 1));
  color: #92400E;
  line-height: 1.55;
}

/* Responsive */
@media (max-width: 500px) {
  .card-header, .card-body { padding: 26px 22px; }
  .form-row { grid-template-columns: 1fr; }
  .btn-secondary { margin-left: 0; margin-top: 10px; }
}

/* Shared accessibility layer (src/a11y.js) - reacts to the data-a11y-* attributes
   the options panel sets on <html>. */
main { display: block; }
html[data-a11y-motion] .card { animation: none; }
html[data-a11y-motion] .checkbox-label:hover { transform: none; }
@media (prefers-reduced-motion: reduce) { .card { animation: none; } .checkbox-label:hover { transform: none; } }
html[data-a11y-spacing] .form-group input, html[data-a11y-spacing] .form-group select, html[data-a11y-spacing] .form-group textarea { padding-top: calc(12px * var(--a11y-space)); padding-bottom: calc(12px * var(--a11y-space)); }
html[data-a11y-spacing] .checkbox-label { min-height: calc(44px * var(--a11y-space)); }
html[data-a11y-spacing] .form-group { margin-bottom: calc(18px * var(--a11y-space)); }
html[data-a11y-spacing] body { line-height: 1.7; }
.checkbox-label:focus-within { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.availability-grid button:focus-visible, .availability-grid label:focus-within { outline: 2px solid var(--color-primary); outline-offset: 2px; }
a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.lang-toggle:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
html[data-a11y-contrast] { --color-primary: #000; --color-primary-dark: #000; --color-ink: #000; --color-text: #000; --color-muted: #000; --color-faint: #000; --color-border: #000; --color-surface: #fff; --color-bg: #fff; --shadow-focus: 0 0 0 3px #000; }
html[data-a11y-contrast] body { background: #fff; }
html[data-a11y-contrast] .card { border: 2px solid #000; box-shadow: none; }
html[data-a11y-contrast] .card-header, html[data-a11y-contrast] .card-header[style] { background: #000 !important; color: #fff; }
html[data-a11y-contrast] .form-group input, html[data-a11y-contrast] .form-group select, html[data-a11y-contrast] .form-group textarea { border: 2px solid #000; background: #fff; color: #000; }
html[data-a11y-contrast] .btn { background: #000 !important; color: #fff !important; border: 2px solid #000; }
html[data-a11y-contrast] .checkbox-label { border: 2px solid #000; }
/* Client pages: brandingBackgroundStyle() (src/formRenderers.js) paints a photo
   on body::before behind the card - kill it in high contrast so the card
   header override above stays the only thing painted black. */
html[data-a11y-contrast] body, html[data-a11y-contrast] .page-center, html[data-a11y-contrast] body::before, html[data-a11y-contrast] body[style*="background-image"] { background-image: none !important; background: #fff !important; }