/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-body);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--color-coral);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-coral-dark);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
}

.btn-secondary:hover {
  background: var(--color-primary-light);
}

.btn-block {
  width: 100%;
  white-space: normal;
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Cards ---------- */
.course-card,
.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}

.course-card:hover,
.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.course-card-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.course-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-card-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.course-card-body h3,
.course-card-body h4 {
  margin-bottom: var(--space-2);
  font-size: var(--fs-h4);
}

.course-card-body p {
  flex-grow: 1;
}

.course-card-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-age-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--color-coral-text);
  background: var(--color-coral-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
  white-space: nowrap;
  flex-shrink: 0;
}

.course-schedule {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
  padding: 0;
}

.schedule-pill {
  display: inline-flex;
  align-items: center;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
}

.schedule-option {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
}

.schedule-option input[type="radio"] {
  accent-color: var(--color-primary);
  margin: 0;
}

.schedule-option:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.testimonial-card {
  padding: var(--space-6);
}

.testimonial-quote {
  font-size: var(--fs-lead);
  color: var(--color-ink);
  position: relative;
  padding-left: var(--space-5);
}

.testimonial-quote::before {
  content: "\201C";
  position: absolute;
  left: 0;
  top: -0.2em;
  font-size: 2rem;
  color: var(--color-coral);
  font-family: var(--font-heading);
}

.testimonial-author {
  margin-top: var(--space-4);
  font-weight: 700;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-purple-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

/* ---------- FAQ Accordion ---------- */
.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-2);
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-ink);
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  transition: transform 0.25s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}

.faq-answer[data-open="true"] {
  max-height: 400px;
}

.faq-answer p {
  padding: 0 var(--space-2) var(--space-5);
  margin: 0;
}

/* ---------- Floating action button ---------- */
.fab {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  z-index: 400;
  transition: transform 0.2s ease, background 0.2s ease;
}

.fab:hover {
  background: var(--color-primary-dark);
  transform: scale(1.06);
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(36, 38, 43, 0.55);
}

.modal-content {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-6) var(--space-6);
  max-width: 460px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--color-bg);
}

.modal-course-label {
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-small);
  color: var(--color-ink);
}

.modal-course-label strong {
  color: var(--color-coral-text);
}

/* ---------- Form ---------- */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.form-field label {
  font-weight: 700;
  font-size: var(--fs-small);
  color: var(--color-ink);
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: inherit;
  font-size: var(--fs-body);
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--color-primary);
}

.checkbox-field {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: var(--space-3);
}

.checkbox-field input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}

.checkbox-field label {
  flex: 1;
  min-width: 0;
  font-weight: 400;
  font-size: var(--fs-small);
  color: var(--color-ink-muted);
  cursor: pointer;
}

.checkbox-field a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: underline;
}

.checkbox-field .field-error {
  flex-basis: 100%;
}

.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
  border-color: var(--color-error);
}

.form-field-label {
  font-weight: 700;
  font-size: var(--fs-small);
  color: var(--color-ink);
}

.schedule-hint {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--color-ink-muted);
}

#schedule-field .course-schedule:empty {
  display: none;
}

.field-error {
  font-size: var(--fs-small);
  color: var(--color-error);
  display: none;
}

.form-field.has-error .field-error {
  display: block;
}

.form-error {
  background: var(--color-error-light);
  color: var(--color-error);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  margin-bottom: var(--space-4);
}

.form-error[hidden] {
  display: none;
}

.form-success {
  background: var(--color-success-light);
  color: var(--color-success);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 700;
}

.form-success[hidden] {
  display: none;
}