@import url('ybb-brand.css');

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 14px 28px;
  background: var(--color-primary);
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--motion-duration) var(--motion-ease), transform var(--motion-duration) var(--motion-ease), box-shadow var(--motion-duration) var(--motion-ease);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(69, 108, 90, 0.18);
}
.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 14px 28px;
  background: transparent;
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-btn);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--motion-duration) var(--motion-ease), color var(--motion-duration) var(--motion-ease), transform var(--motion-duration) var(--motion-ease);
}
.btn-secondary:hover {
  background: rgba(69, 108, 90, 0.06);
  transform: translateY(-1px);
}

/* Cards */
.card-soft {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-md);
}

.card-feature {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-md);
}

.card-course {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-course);
  box-shadow: var(--shadow-card);
  padding: var(--space-md);
}

.card-hover {
  transition: box-shadow var(--motion-duration) var(--motion-ease), transform var(--motion-duration) var(--motion-ease);
}
.card-hover:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* Forms */
.form-label {
  display: block;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: var(--space-xs);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-form);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-body);
  transition: border-color var(--motion-duration) var(--motion-ease), box-shadow var(--motion-duration) var(--motion-ease);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(69, 108, 90, 0.15);
  outline: none;
}
.form-input.is-error { border-color: var(--color-error); }
.form-input.is-success { border-color: var(--color-success); }

.form-hint { font-size: 14px; color: var(--color-text-light); margin-top: var(--space-xs); }
.form-error { font-size: 14px; color: var(--color-error); margin-top: var(--space-xs); }
.form-success { font-size: 14px; color: var(--color-success); margin-top: var(--space-xs); }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}
.badge-success { background: rgba(138, 165, 139, 0.2); color: var(--color-success); }
.badge-warning { background: rgba(216, 181, 106, 0.2); color: var(--color-warning); }
.badge-error { background: rgba(201, 138, 138, 0.2); color: var(--color-error); }
.badge-info { background: rgba(165, 188, 152, 0.2); color: var(--color-info); }

/* Toasts */
.toast {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-form);
  font-size: 14px;
}
.toast-success { background: rgba(138, 165, 139, 0.15); color: var(--color-success); border: 1px solid var(--color-success); }
.toast-error { background: rgba(201, 138, 138, 0.15); color: var(--color-error); border: 1px solid var(--color-error); }
.toast-warning { background: rgba(216, 181, 106, 0.15); color: var(--color-warning); border: 1px solid var(--color-warning); }
.toast-info { background: rgba(165, 188, 152, 0.15); color: var(--color-info); border: 1px solid var(--color-info); }

/* Navigation */
.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad-mobile);
}
@media (min-width: 768px) {
  .nav-bar-inner { padding: 0 var(--container-pad-tablet); }
}
@media (min-width: 1024px) {
  .nav-bar-inner { padding: 0 var(--container-pad-desktop); }
}

.nav-logo img {
  height: calc(var(--nav-height) - 16px);
  width: auto;
  display: block;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-md);
}
@media (min-width: 768px) {
  .nav-links { display: flex; }
}

.nav-link {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-body);
  text-decoration: none;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--motion-duration) var(--motion-ease), border-color var(--motion-duration) var(--motion-ease);
}
.nav-link:hover { color: var(--color-primary); }
.nav-link.is-active {
  color: var(--color-heading);
  border-bottom-color: var(--color-primary);
}

/* Footer */
.site-footer {
  background: var(--color-section);
  color: var(--color-body);
  padding: var(--space-xl) 0 var(--space-lg);
}
.site-footer h2,
.site-footer h3,
.site-footer h4 {
  font-family: var(--font-heading);
  color: var(--color-heading);
}
.site-footer a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--motion-duration) var(--motion-ease);
}
.site-footer a:hover { color: var(--color-primary); }

.footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  line-height: 0;
  transition: transform var(--motion-duration) var(--motion-ease), opacity var(--motion-duration) var(--motion-ease);
}
.footer-social-link svg {
  pointer-events: none;
}
.footer-social-link:hover {
  transform: scale(1.08);
  opacity: 0.92;
}

.footer-attribution {
  font-weight: 400;
  font-size: 14px;
  color: var(--color-muted);
}
.footer-attribution a {
  color: var(--color-muted);
  font-weight: 400;
  text-decoration: none;
}
.footer-attribution a:hover {
  color: var(--color-primary);
}

.ybb-404-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(58, 57, 54, 0.55);
}
.ybb-404-overlay[hidden] {
  display: none;
}
.ybb-404-overlay__panel {
  position: relative;
  max-width: min(100%, 640px);
  width: 100%;
}
.ybb-404-overlay__close {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  border-radius: 9999px;
  background: var(--color-surface, #fff);
  color: var(--color-body);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(20, 18, 17, 0.12);
}
.ybb-404-image {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  margin-inline: auto;
}
.ybb-404-inline {
  display: flex;
  justify-content: center;
  padding-block: 1rem;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(58, 57, 54, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}
.modal-overlay[hidden] { display: none; }

.modal-panel {
  position: relative;
  z-index: var(--z-modal);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-white);
  border-radius: var(--radius-modal);
  box-shadow: var(--shadow-modal);
  padding: var(--space-lg);
}

.modal-header {
  margin-bottom: var(--space-md);
}
.modal-header h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 600;
  margin: 0;
  color: var(--color-heading);
}

.modal-body {
  margin-bottom: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.modal-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: flex-end;
}

.modal-success {
  padding: var(--space-sm);
  background: rgba(138, 165, 139, 0.12);
  border-radius: var(--radius-form);
  color: var(--color-success);
  font-size: 14px;
}
.modal-error {
  color: var(--color-error);
  font-size: 14px;
}

/* Tier picker (enrollment) */
.tier-option {
  display: block;
  cursor: pointer;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-sm);
  transition: border-color var(--motion-duration) var(--motion-ease), background var(--motion-duration) var(--motion-ease);
}
.tier-option.selected {
  border-color: var(--color-primary);
  background: var(--color-background);
}
.tier-option input { display: none; }
.tier-option-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.tier-option-name { font-weight: 600; font-size: 15px; color: var(--color-text); }
.tier-option-meta { font-size: 12px; color: var(--color-text-light); margin-top: 2px; }
.tier-option-price { font-weight: 700; font-size: 18px; color: var(--color-text); }

/* Slot picker (booking) */
.slot-btn {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-form);
  background: var(--color-white);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--motion-duration) var(--motion-ease);
}
.slot-btn.selected {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}
.slot-list { display: flex; flex-wrap: wrap; gap: var(--space-xs); }

.slot-btn:hover {
  border-color: var(--color-primary);
  background: rgba(69, 108, 90, 0.04);
}

/* FAQ */
.faq-item {
  border-radius: var(--radius-card);
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-heading);
  cursor: pointer;
  text-align: left;
}
.faq-question::after {
  content: '+';
  flex-shrink: 0;
  margin-left: var(--space-sm);
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: var(--color-primary);
  transition: transform 0.25s ease;
}
.faq-item.is-open .faq-question::after {
  content: '−';
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 var(--space-md);
  transition: max-height 0.35s ease, padding 0.3s ease;
}
.faq-item.is-open .faq-answer {
  padding-bottom: var(--space-md);
}

/* Testimonials */
.testimonial-card {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  font-family: var(--font-accent);
  font-size: 48px;
  color: var(--color-blush);
  line-height: 1;
  display: block;
  margin-bottom: var(--space-xs);
}

/* Resource hub */
.category-pill {
  display: inline-flex;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  background: var(--color-section);
  color: var(--color-body);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: background var(--motion-duration) var(--motion-ease), border-color var(--motion-duration) var(--motion-ease), color var(--motion-duration) var(--motion-ease);
}
.category-pill:hover,
.category-pill.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
}

.resource-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: var(--space-sm);
}

/* Topic cluster architecture */
.topic-cluster-card {
  display: flex;
  flex-direction: column;
}
.topic-cluster-footer-list a {
  color: inherit;
  text-decoration: none;
}
.topic-cluster-footer-list a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}
.topic-contextual-links .category-pill {
  text-decoration: none;
}

/* E-E-A-T trust panels */
.eeat-trust-panel .card-soft {
  padding: var(--space-lg);
}
.eeat-trust-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-container, rgba(99, 102, 241, 0.12));
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
}
.eeat-trust-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 0.75rem;
  font-size: 14px;
  color: var(--color-text-light);
  margin: 0;
}
.eeat-trust-label {
  font-weight: 600;
  color: var(--color-text);
  flex-shrink: 0;
}
.eeat-trust-references {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
.eeat-author-profile {
  padding: var(--space-lg);
}
.eeat-author-photo {
  box-shadow: var(--shadow-ambient, 0 4px 24px rgba(0, 0, 0, 0.08));
}