/* ─── DESIGN TOKENS ──────────────────────────────────────────────────────── */
:root, [data-theme="light"] {
  --color-bg: #f7f3ea;
  --color-surface: #faf8f4;
  --color-surface-2: #ffffff;
  --color-border: #dbd6cb;
  --color-divider: #e5dfd3;
  --color-text: #1c1a16;
  --color-text-muted: #6a6457;
  --color-text-faint: #a09a90;
  --color-primary: #1b3550;
  --color-primary-hover: #0f2236;
  --color-accent: #c9a84c;
  --color-accent-light: #f0e8d0;
  --color-error: #c0392b;
  --color-success: #2d7d46;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(27,53,80,0.07);
  --shadow-md: 0 4px 16px rgba(27,53,80,0.1);
  --transition: 160ms cubic-bezier(0.16, 1, 0.3, 1);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Jost', system-ui, sans-serif;
}

[data-theme="dark"] {
  --color-bg: #131210;
  --color-surface: #1a1916;
  --color-surface-2: #201e1b;
  --color-border: #2e2c28;
  --color-divider: #252320;
  --color-text: #d4cfc7;
  --color-text-muted: #7a7570;
  --color-text-faint: #4a4844;
  --color-primary: #4f80aa;
  --color-primary-hover: #3a6a94;
  --color-accent: #c9a84c;
  --color-accent-light: #2a2418;
  --color-error: #e05c4b;
  --color-success: #4caf70;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
}

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

html {
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100dvh;
}

img { display: block; max-width: 100%; }

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

/* ─── HEADER ─────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.header-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  height: 36px;
  width: auto;
}

.theme-btn {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px;
  cursor: pointer;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  transition: color var(--transition), border-color var(--transition);
}
.theme-btn:hover { color: var(--color-text); border-color: var(--color-text-muted); }

/* ─── PROGRESS BAR ───────────────────────────────────────────────────────── */
.progress-bar {
  height: 3px;
  background: var(--color-divider);
}
.progress-fill {
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: width 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── MAIN LAYOUT ────────────────────────────────────────────────────────── */
.main-wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ─── FORM STEPS ─────────────────────────────────────────────────────────── */
.form-step { display: none; }
.form-step.active { display: block; }

/* ─── STEP HEADER ────────────────────────────────────────────────────────── */
.step-header { margin-bottom: 32px; }

.step-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.step-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.15;
  margin-bottom: 8px;
}

[data-theme="dark"] .step-title { color: var(--color-text); }

.step-sub {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 300;
}

/* ─── FIELD GROUPS ───────────────────────────────────────────────────────── */
.field-group { margin-bottom: 22px; }
.field-row { display: flex; flex-direction: column; gap: 0; }
.field-row.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

@media (max-width: 520px) {
  .field-row.two-col { grid-template-columns: 1fr; }
}

.field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}
.field-label.required::after {
  content: ' *';
  color: var(--color-accent);
}

.req-star { color: var(--color-accent); }

.field-input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 400;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}

.field-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27,53,80,0.12);
}

[data-theme="dark"] .field-input:focus {
  box-shadow: 0 0 0 3px rgba(79,128,170,0.2);
}

.field-input.error { border-color: var(--color-error); }
.field-input::placeholder { color: var(--color-text-faint); }

select.field-input { cursor: pointer; }

.field-hint {
  font-size: 0.78rem;
  color: var(--color-text-faint);
  margin-top: 4px;
}

/* ─── SESSION TYPE CARDS ─────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
}

.type-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 24px 18px;
  background: var(--color-surface-2);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.type-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.type-card.selected {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}

.type-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.type-card.selected .type-icon { color: var(--color-accent); }

.type-card strong {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  display: block;
}

.type-card span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 300;
  line-height: 1.4;
}

/* ─── RADIO CARDS ────────────────────────────────────────────────────────── */
.radio-row {
  display: flex;
  gap: 10px;
}
.radio-row.wrap { flex-wrap: wrap; }

.radio-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  background: var(--color-surface-2);
  transition: border-color var(--transition), background var(--transition);
  user-select: none;
}

.radio-card:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.radio-card input[type="radio"] {
  width: 14px;
  height: 14px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

/* ─── CHECKBOXES ─────────────────────────────────────────────────────────── */
.checkbox-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.check-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  background: var(--color-surface-2);
  transition: border-color var(--transition), background var(--transition);
  user-select: none;
}

.check-pill:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.check-pill input[type="checkbox"] {
  width: 13px;
  height: 13px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

/* ─── SECTION DIVIDER ────────────────────────────────────────────────────── */
.section-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 28px 0 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-divider);
}

/* ─── REVIEW CARD ────────────────────────────────────────────────────────── */
.review-card {
  background: var(--color-surface-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 28px;
}

.review-section {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-divider);
}
.review-section:last-child { border-bottom: none; }

.review-section-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.review-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 4px 0;
  font-size: 0.9rem;
}

.review-row .rk {
  color: var(--color-text-muted);
  font-weight: 400;
  white-space: nowrap;
  flex-shrink: 0;
}

.review-row .rv {
  color: var(--color-text);
  font-weight: 500;
  text-align: right;
}

/* ─── CONFIRMATION ───────────────────────────────────────────────────────── */
.confirm-wrap {
  text-align: center;
  padding: 40px 0;
}

.confirm-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(45,125,70,0.1);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.confirm-actions {
  margin: 24px 0 16px;
  display: flex;
  gap: 12px;
  justify-content: center;
}

.confirm-email-notice {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 24px auto 16px;
  padding: 12px 20px;
  background: rgba(var(--color-gold-rgb, 201,168,76), 0.08);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 8px;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

.confirm-note {
  font-size: 0.8rem;
  color: var(--color-text-faint);
  margin-top: 8px;
}

/* ─── NAVIGATION ─────────────────────────────────────────────────────────── */
.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-divider);
}

/* ─── BUTTONS ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background var(--transition), border-color var(--transition), opacity var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-primary:disabled { opacity: 0.38; cursor: not-allowed; }

.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text-muted);
  padding-left: 0;
}
.btn-ghost:hover { color: var(--color-text); }

.btn-lg { padding: 13px 28px; font-size: 0.95rem; }

/* ─── VALIDATION ERROR MESSAGES ──────────────────────────────────────────── */
.field-error {
  font-size: 0.78rem;
  color: var(--color-error);
  margin-top: 4px;
}

/* ─── UTILITIES ──────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.mt { margin-top: 10px; }
.mt-sm { margin-top: 8px; }

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 600px) {
  .main-wrap { padding: 28px 18px 60px; }
  .step-nav { flex-direction: column-reverse; gap: 10px; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
  .btn-ghost { padding-left: 22px; }
}