/* ==========================================================================
   MENTORS PAGE — page-specific layout on top of site.css tokens
   ========================================================================== */

.mentors-page main {
  padding-top: 0;
}

/* Hero — reuse homepage hero treatment, single column */
.mentors-hero.hero .container {
  grid-template-columns: 1fr;
  max-width: var(--max-width);
}

.mentors-hero .hero__title {
  max-width: 18ch;
}

.mentors-hero .hero__desc {
  max-width: 58ch;
}

/* Filter */
.mentors-filters {
  padding: var(--space-5) 0 var(--space-4);
  border-bottom: 1px solid var(--border);
}

.mentors-cat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-3);
}

.mentors-cat {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 0.5rem 1.1rem;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}

.mentors-cat:hover {
  border-color: var(--accent);
  color: var(--accent-dim);
  background: var(--accent-glow);
}

.mentors-cat.is-active {
  color: var(--paper-on-ink);
  background: var(--accent);
  border-color: var(--accent);
}

.mentors-subtopics {
  display: none;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding-top: var(--space-2);
  margin-bottom: var(--space-3);
}

.mentors-subtopics.is-open {
  display: flex;
}

.mentors-sub {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.85rem;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}

.mentors-sub:hover {
  border-color: var(--accent);
  color: var(--accent-dim);
}

.mentors-sub.is-active {
  color: var(--accent-dim);
  background: var(--accent-glow);
  border-color: rgba(30, 82, 64, 0.35);
}

.mentors-search-wrap {
  margin-top: var(--space-3);
  max-width: 28rem;
}

.mentors-search-wrap input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.mentors-search-wrap input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.mentors-search-wrap input::placeholder {
  color: var(--text-muted);
}

/* Grid */
.mentors-section {
  padding: clamp(2rem, 4vw, 3.5rem) 0;
}

.mentors-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

@media (max-width: 1023px) {
  .mentors-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .mentors-grid {
    grid-template-columns: 1fr;
  }
}

.mentor-card {
  display: flex;
  flex-direction: column;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  cursor: pointer;
  text-align: left;
  width: 100%;
  font: inherit;
  color: inherit;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}

.mentor-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-raise);
}

.mentor-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.mentor-card__photo,
.mentor-card__photo-fallback {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto var(--space-4);
  object-fit: cover;
  display: block;
}

.mentor-card__photo-fallback {
  display: grid;
  place-items: center;
  background: var(--accent-glow);
  border: 1px solid rgba(30, 82, 64, 0.22);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--accent);
}

.mentor-card__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0 0 var(--space-1);
  text-align: center;
}

.mentor-card__headline {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--accent);
  text-align: center;
  margin: 0 0 var(--space-1);
  line-height: 1.45;
}

.mentor-card__org {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-align: center;
  margin: 0 0 var(--space-3);
}

.mentor-card__tags,
.mentor-card__avail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.mentor-card__bio {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.mentor-card__linkedin {
  position: relative;
  z-index: 1;
  align-self: center;
  margin-top: auto;
}

.mentor-card__linkedin:hover {
  /* prevent card transform fight */
}

/* Skeleton */
.mentor-skeleton {
  pointer-events: none;
  cursor: default;
}

.mentor-skeleton:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--border);
}

.mentor-skel {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: mentor-shimmer 1.2s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.mentor-skel--avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto var(--space-4);
}

.mentor-skel--line {
  height: 0.85rem;
  margin-bottom: 0.55rem;
}

.mentor-skel--title {
  height: 1.25rem;
  width: 60%;
  margin: 0 auto var(--space-2);
}

.mentor-skel--short {
  width: 40%;
  margin-left: auto;
  margin-right: auto;
}

@keyframes mentor-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.mentors-empty {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  color: var(--text-tertiary);
  font-size: var(--text-base);
}

.mentors-load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: var(--space-5);
}

.mentors-divider {
  height: 1px;
  background: var(--border);
  border: none;
  margin: 0;
}

/* Become a mentor */
.mentors-apply {
  padding: var(--space-section) 0;
}

.mentors-apply__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

@media (max-width: 900px) {
  .mentors-apply__grid {
    grid-template-columns: 1fr;
  }
}

.mentors-apply__intro .section-heading {
  margin-bottom: var(--space-3);
}

.mentors-char-count {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-align: right;
}

.mentors-checkboxes {
  display: grid;
  gap: 0.5rem;
}

.mentors-checkboxes label {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-1);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text-primary);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.mentors-checkboxes label:hover {
  border-color: var(--border-strong);
}

.mentors-checkboxes label:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.mentors-checkboxes input {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

.mentors-photo-preview {
  margin-top: var(--space-3);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
  display: none;
}

.mentors-photo-preview.is-visible {
  display: block;
}

.mentors-form-msg {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.mentors-form-msg--error {
  margin-bottom: var(--space-3);
  padding: 0.85rem 1rem;
  color: var(--error);
  background: rgba(179, 54, 43, 0.08);
  border: 1px solid rgba(179, 54, 43, 0.22);
  border-radius: var(--radius-md);
}

.mentors-form-msg--error[hidden] {
  display: none !important;
}

/* Form ↔ success crossfade stage */
.mentors-form-stage {
  position: relative;
  min-height: 12rem;
}

.mentors-form-stage__form {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 420ms var(--ease),
    transform 420ms var(--ease),
    visibility 420ms var(--ease);
}

.mentors-form-stage.is-success .mentors-form-stage__form {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  position: absolute;
  inset: 0;
  transform: translateY(-10px);
  overflow: hidden;
}

.mentors-form-success {
  margin: 0;
  padding: clamp(1.75rem, 3vw, 2.5rem) clamp(1.25rem, 3vw, 2rem);
  background: #b0b077;
  border: 1px solid rgba(33, 30, 23, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raise);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity 480ms var(--ease),
    transform 480ms var(--ease),
    visibility 480ms var(--ease);
}

.mentors-form-success[hidden] {
  display: block !important;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.mentors-form-stage.is-success .mentors-form-success,
.mentors-form-stage.is-success .mentors-form-success[hidden] {
  position: relative;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.mentors-form-success__eyebrow {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  font-weight: 500;
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: rgba(33, 30, 23, 0.62);
}

.mentors-form-success__message {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: 1.35;
  color: #211e17;
  max-width: 28ch;
}

.mentors-form-success__note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: rgba(33, 30, 23, 0.78);
  max-width: 42ch;
}

.mentors-form-success__note[hidden] {
  display: none !important;
}

/* Profile modal */
.mentor-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: var(--space-4);
  background: rgba(33, 30, 23, 0.45);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}

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

.mentor-modal {
  position: relative;
  width: min(100%, 40rem);
  max-height: min(90vh, 52rem);
  overflow-y: auto;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  padding: var(--space-5);
  transform: translateY(12px);
  transition: transform var(--dur) var(--ease);
}

.mentor-modal-overlay.open .mentor-modal {
  transform: none;
}

.mentor-modal__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--surface-1);
  color: var(--text-tertiary);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.mentor-modal__close:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.mentor-modal__photo,
.mentor-modal__photo-fallback {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-4);
  display: block;
}

.mentor-modal__photo-fallback {
  display: grid;
  place-items: center;
  background: var(--accent-glow);
  border: 1px solid rgba(30, 82, 64, 0.22);
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--accent);
}

.mentor-modal__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--text-primary);
  text-align: center;
  margin: 0 0 var(--space-1);
}

.mentor-modal__headline {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--accent);
  text-align: center;
  margin: 0 0 var(--space-1);
}

.mentor-modal__meta {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin: 0 0 var(--space-4);
}

.mentor-modal__bio {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0 0 var(--space-4);
}

.mentor-modal__block {
  margin-bottom: var(--space-4);
}

.mentor-modal__label {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: var(--space-2);
}

.mentor-modal__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.mentor-modal__actions {
  display: flex;
  justify-content: center;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

body.mentor-modal-open {
  overflow: hidden;
}