/* ==========================================================================
   Mentor gallery. Loaded after base.css.
   ========================================================================== */

.mentors-hero {
    padding: calc(var(--nav-height) + 3.5rem) 0 3rem;
}

.mentors-hero-title {
    font-size: var(--text-display);
    margin-bottom: var(--space-4);
}

.mentors-hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 38rem;
    margin: 0 auto var(--space-8);
    line-height: 1.6;
}

.mentor-filter-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
}

.mentor-filter-chip {
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-pill);
    font-size: 0.88rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
}

.mentor-filter-chip:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.mentor-filter-chip.is-active {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.mentor-gallery-section {
    padding-top: 0;
}

.mentor-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.mentor-grid-empty {
    text-align: center;
    color: var(--text-tertiary);
    padding: var(--space-16) 0;
}

.mentor-card {
    position: relative;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--accent-current, var(--border-strong));
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition);
}

.mentor-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.mentor-card-inner {
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* Locked mentors: teased behind a blur until they launch on HeyArya Pro */
.mentor-card-locked {
    overflow: hidden;
}

.mentor-card-locked:hover {
    transform: none;
    box-shadow: none;
}

.mentor-card-locked .mentor-card-inner {
    filter: blur(6px);
    opacity: 0.5;
    pointer-events: none;
    user-select: none;
}

.mentor-lock-overlay {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    text-align: center;
    padding: var(--space-6);
    background: linear-gradient(180deg, rgba(250, 248, 244, 0.35), rgba(250, 248, 244, 0.82));
}

html.dark .mentor-lock-overlay {
    background: linear-gradient(180deg, rgba(15, 15, 15, 0.35), rgba(15, 15, 15, 0.82));
}

.mentor-lock-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    color: var(--accent-color);
    box-shadow: var(--shadow-md);
}

.mentor-lock-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.9rem;
    border-radius: var(--radius-pill);
    background-color: var(--accent-color);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    box-shadow: var(--shadow-sm);
}

.mentor-lock-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 220px;
    line-height: 1.4;
}

.mentor-card-cta.is-disabled {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.mentor-card-top {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.mentor-card-portrait {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background-color: var(--accent-current-soft, var(--bg-tertiary));
    border: 2px solid var(--accent-current, var(--border-strong));
}

.mentor-card-portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.mentor-card-name {
    font-size: 1.3rem;
    margin-bottom: 0.1rem;
}

.mentor-card-era {
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.mentor-card-category {
    display: inline-block;
    margin-top: 0.35rem;
    padding: 0.15rem 0.6rem;
    border-radius: var(--radius-pill);
    background-color: var(--accent-current-soft, var(--bg-tertiary));
    color: var(--accent-current, var(--text-secondary));
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.mentor-card-expertise {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.mentor-card-method {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-color);
    margin: -0.35rem 0 var(--space-3);
}

.mentor-card-method i {
    margin-right: 0.3rem;
    opacity: 0.85;
}

.mentor-card-traits {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: var(--space-4);
}

.mentor-trait-chip {
    font-size: 0.78rem;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-pill);
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}

.mentor-card-quote {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent-current, var(--border-strong));
    padding-left: var(--space-4);
    margin: 0 0 var(--space-4);
    line-height: 1.5;
}

.mentor-preview-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: none;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-family: inherit;
    padding: 0.6rem var(--space-4);
    cursor: pointer;
    transition: all var(--transition);
    margin-bottom: var(--space-2);
}

.mentor-preview-toggle:hover {
    color: var(--text-primary);
    border-color: var(--accent-current, var(--border-strong));
}

.toggle-caret {
    margin-left: auto;
    transition: transform var(--transition);
}

.mentor-preview-toggle[aria-expanded="true"] .toggle-caret {
    transform: rotate(180deg);
}

.mentor-preview-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 320ms var(--ease), margin var(--transition);
}

.mentor-preview-panel.is-open {
    max-height: 320px;
    margin-bottom: var(--space-4);
}

.preview-turn {
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-color);
}

.preview-turn:last-child {
    border-bottom: none;
}

.preview-turn p {
    margin: 0.2rem 0 0;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.preview-role {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent-current, var(--text-tertiary));
}

.preview-student p {
    color: var(--text-primary);
}

.mentor-card-cta {
    margin-top: auto;
    width: 100%;
}

@media (max-width: 860px) {
    .mentor-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .mentor-card-top {
        flex-direction: column;
        text-align: center;
    }
}