/**
 * Global portfolio image-card / media-frame system
 * Fixed media heights — images never control card layout
 */

:root {
    --pf-media-h: 240px;
    --pf-media-h-featured: 320px;
    --pf-media-h-tablet: 220px;
    --pf-media-h-mobile: 200px;
    --pf-media-radius: 14px;
    --pf-grid-gap: 24px;
    --pf-section-x: clamp(16px, 4vw, 32px);
    --pf-section-y: clamp(56px, 8vw, 100px);
    --pf-container: min(1200px, calc(100% - var(--pf-section-x) * 2));
}

/* Consistent section container */
.section-band .container,
.cms-footer .container,
.cms-nav .container {
    width: var(--pf-container);
    max-width: 100%;
    margin-inline: auto;
    padding-inline: var(--pf-section-x);
}

.section-band {
    padding-block: var(--pf-section-y);
}

.section-heading {
    margin-bottom: clamp(28px, 4vw, 40px);
}

/* Grids — equal-height rows */
.cms-cert-grid,
.cms-achievement-grid,
.cms-publication-grid,
.cms-events-grid,
.cms-education-grid,
.cms-project-grid,
.cms-service-grid,
.cms-testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--pf-grid-gap);
    align-items: stretch;
}

/* ------------------------------------------------------------------ */
/* Image card shell                                                    */
/* ------------------------------------------------------------------ */

.pf-image-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    max-width: 100%;
    height: 100%;
    overflow: hidden;
}

.pf-image-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 20px 22px;
    min-height: 0;
}

.pf-image-card__body > h3 {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
    margin: 0 0 8px;
}

.pf-image-card__body > p {
    margin: 0 0 8px;
    color: var(--cms-muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

.pf-image-card__meta {
    color: var(--cms-muted);
    font-size: 0.88rem;
    margin: 0 0 6px;
}

.pf-image-card__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--cms-border);
}

.pf-image-card__actions .pf-btn--primary {
    flex: 1;
    min-width: 0;
    justify-content: center;
}

/* ------------------------------------------------------------------ */
/* Media frame — fixed height container                                */
/* ------------------------------------------------------------------ */

.pf-media {
    position: relative;
    width: 100%;
    height: var(--pf-media-h);
    flex-shrink: 0;
    overflow: hidden;
    background: rgba(8, 9, 15, 0.55);
    border-bottom: 1px solid var(--cms-border);
}

.pf-media--featured {
    height: var(--pf-media-h-featured);
}

.pf-media--thumb {
    height: 64px;
    width: 64px;
    border-radius: 50%;
    border-bottom: none;
}

.pf-media--admin {
    height: 48px;
    width: 72px;
    border-radius: 8px;
    border-bottom: none;
}

.pf-media__link {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.pf-media img {
    width: 100%;
    height: 100%;
    display: block;
    max-width: 100%;
}

.pf-media--cover img {
    object-fit: cover;
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.pf-media--contain img,
.pf-media--document img {
    object-fit: contain;
    padding: 14px;
    box-sizing: border-box;
}

.pf-media__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(8, 9, 15, 0.75) 0%, transparent 55%);
    opacity: 0;
    transition: opacity var(--cms-transition);
    pointer-events: none;
}

.pf-media__view-btn {
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #fff;
    background: rgba(99, 102, 241, 0.92);
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity var(--cms-transition), transform var(--cms-transition);
    pointer-events: none;
}

.pf-media__link:hover img,
.pf-media__link:focus-visible img {
    transform: scale(1.03);
}

.pf-media__link:hover .pf-media__overlay,
.pf-media__link:focus-visible .pf-media__overlay,
.pf-media__link:hover .pf-media__view-btn,
.pf-media__link:focus-visible .pf-media__view-btn {
    opacity: 1;
}

.pf-media__link:hover .pf-media__view-btn,
.pf-media__link:focus-visible .pf-media__view-btn {
    transform: translateY(0);
}

.pf-media__fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: 100%;
    color: var(--cms-muted);
    font-size: 12px;
    text-align: center;
    padding: 16px;
}

.pf-media__fallback i {
    font-size: 1.5rem;
    opacity: 0.45;
}

/* Card action buttons */
.pf-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 10px;
    text-decoration: none;
    transition: background var(--cms-transition), border-color var(--cms-transition), color var(--cms-transition);
}

.pf-btn--primary {
    background: rgba(99, 102, 241, 0.18);
    border: 1px solid rgba(99, 102, 241, 0.35);
    color: #c4b5fd;
}

.pf-btn--primary:hover,
.pf-btn--primary:focus {
    background: rgba(99, 102, 241, 0.28);
    color: #fff;
}

.pf-btn--icon {
    width: 42px;
    height: 42px;
    padding: 0;
    justify-content: center;
    background: var(--cms-surface);
    border: 1px solid var(--cms-border);
    color: var(--cms-muted);
    flex-shrink: 0;
}

.pf-btn--icon:hover,
.pf-btn--icon:focus {
    border-color: var(--cms-border-strong);
    color: var(--cms-ink);
}

/* Event gallery thumbs */
.pf-media-gallery {
    display: flex;
    flex-direction: column;
}

.pf-media-thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--cms-border);
    background: rgba(8, 9, 15, 0.35);
}

.pf-media-thumb {
    position: relative;
    width: 72px;
    height: 48px;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid var(--cms-border);
}

.pf-media-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pf-media-thumb:hover {
    border-color: var(--cms-border-strong);
}

/* Testimonial avatar */
.pf-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid var(--cms-border);
    background: rgba(8, 9, 15, 0.5);
}

.pf-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pf-avatar--fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cms-muted);
    font-size: 1.25rem;
}

.pf-image-card__icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    height: var(--pf-media-h);
    flex-shrink: 0;
    border-bottom: 1px solid var(--cms-border);
    background: rgba(99, 102, 241, 0.06);
}

.pf-image-card__icon-wrap .feature-icon {
    width: 56px;
    height: 56px;
    font-size: 1.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
}

/* Prevent double padding when legacy body classes are kept for styling hooks */
.pf-image-card .cms-cert-body,
.pf-image-card .cms-education-body,
.pf-image-card .cms-achievement-body,
.pf-image-card .cms-publication-body,
.pf-image-card .cms-event-body {
    padding: 0;
}

/* Project detail hero */
.project-detail-hero-media {
    height: min(420px, 52vh);
    border-radius: var(--pf-media-radius);
    border: 1px solid var(--cms-border);
    overflow: hidden;
}

.project-detail-hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Responsive media heights */
@media (max-width: 991px) {
    .cms-cert-grid,
    .cms-achievement-grid,
    .cms-publication-grid,
    .cms-events-grid,
    .cms-education-grid,
    .cms-project-grid,
    .cms-service-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pf-media,
    .pf-media--featured {
        height: var(--pf-media-h-tablet);
    }

    .pf-media--featured {
        height: calc(var(--pf-media-h-tablet) + 40px);
    }
}

@media (max-width: 640px) {
    .cms-cert-grid,
    .cms-achievement-grid,
    .cms-publication-grid,
    .cms-events-grid,
    .cms-education-grid,
    .cms-project-grid,
    .cms-service-grid,
    .cms-testimonial-grid {
        grid-template-columns: 1fr;
    }

    .pf-media {
        height: var(--pf-media-h-mobile);
    }

    .pf-media--featured {
        height: calc(var(--pf-media-h-mobile) + 32px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .pf-media--cover img {
        transition: none;
    }

    .pf-media__link:hover img {
        transform: none;
    }
}