/* ============================================================
   pages.css — shared styles for Sponsors & Events pages
   Builds on tokens defined in style.css (:root / .light-mode):
   --bg-color, --card-bg, --card-border, --accent-color,
   --accent-secondary, --text-main, --text-muted, --font-main
   ============================================================ */

/* Shared page header (shorter than the home hero) */
.page-header {
    height: auto;
    min-height: 50vh;
    padding-top: 8rem;
    padding-bottom: 3rem;
}

/* Generic toolbar: filters / counts above a grid */
.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.chip {
    padding: 0.45rem 1.1rem;
    border-radius: 30px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 300;
    cursor: pointer;
    transition: all 0.25s ease;
    backdrop-filter: blur(5px);
}

.chip:hover {
    color: var(--accent-color);
    border-color: rgba(0, 243, 255, 0.4);
}

.chip.active {
    color: var(--bg-color);
    background: var(--accent-color);
    border-color: var(--accent-color);
    font-weight: 600;
}

/* Empty / loading state */
.state-msg {
    text-align: center;
    color: var(--text-muted);
    padding: 4rem 1rem;
    font-weight: 300;
}

/* ============================================================
   SPONSORS — glassmorphism grid
   ============================================================ */
.sponsor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.75rem;
    max-width: 1100px;
    margin: 0 auto;
}

.sponsor-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2.25rem 1.5rem;
    min-height: 180px;
    text-align: center;
    text-decoration: none;
    color: var(--text-main);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    backdrop-filter: blur(8px);
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Soft radial glow that fades in on hover */
.sponsor-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(0, 243, 255, 0.12), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.sponsor-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 243, 255, 0.55);
    box-shadow: 0 12px 40px rgba(0, 243, 255, 0.12);
}

.sponsor-card:hover::before {
    opacity: 1;
}

.sponsor-card img {
    max-height: 64px;
    max-width: 80%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.75;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.sponsor-card:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.sponsor-card .sponsor-name {
    font-size: 0.95rem;
    font-weight: 600;
}

.sponsor-card .sponsor-tier {
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent-color);
    font-weight: 600;
}

/* Tier accent strip */
.sponsor-card[data-tier="platinum"] { border-top: 2px solid var(--accent-color); }
.sponsor-card[data-tier="gold"]     { border-top: 2px solid #ffd36e; }
.sponsor-card[data-tier="partner"]  { border-top: 2px solid var(--accent-secondary); }

/* ============================================================
   EVENTS — vertical timeline
   ============================================================ */
.timeline {
    position: relative;
    max-width: 820px;
    margin: 0 auto;
    padding-left: 2rem;
}

/* The vertical line */
.timeline::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-color), rgba(0, 243, 255, 0.05));
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

/* The node dot */
.timeline-item::before {
    content: "";
    position: absolute;
    left: -2rem;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 2px solid var(--accent-color);
    box-shadow: 0 0 12px rgba(0, 243, 255, 0.6);
    transform: translateX(-1px);
}

.timeline-item.is-past::before {
    border-color: var(--text-muted);
    box-shadow: none;
}

.event-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.75rem;
    backdrop-filter: blur(6px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.event-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 243, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.event-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.event-card-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
}

/* Register button on the card (upper-right) */
.event-register-btn {
    padding: 0.4rem 1rem;
    border-radius: 30px;
    border: 1px solid var(--accent-color);
    background: rgba(0, 243, 255, 0.08);
    color: var(--accent-color);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.25s ease;
}
.event-register-btn:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 0 18px rgba(0, 243, 255, 0.4);
}

.event-date {
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 600;
    white-space: nowrap;
}

.event-card h3 {
    font-size: 1.3rem;
    margin: 0.25rem 0 0.5rem;
    color: var(--text-main);
}

.event-location {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.event-card p.event-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    white-space: pre-line; /* preserve line breaks entered in the CMS */
    /* Teaser: clamp to 3 lines on the card; full text lives in the modal. */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* The whole card is a button that opens the detail view */
.event-card { cursor: pointer; }
.event-card:focus-visible {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 243, 255, 0.18);
}
.event-readmore {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--accent-color);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

.event-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    font-size: 0.72rem;
    padding: 0.25rem 0.7rem;
    border-radius: 20px;
    background: rgba(0, 243, 255, 0.08);
    border: 1px solid rgba(0, 243, 255, 0.2);
    color: var(--accent-color);
    letter-spacing: 0.3px;
}

/* Status badge */
.status-badge {
    font-size: 0.7rem;
    padding: 0.28rem 0.7rem;
    border-radius: 20px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    white-space: nowrap;
}

.status-badge.upcoming {
    background: rgba(0, 243, 255, 0.12);
    color: var(--accent-color);
    border: 1px solid rgba(0, 243, 255, 0.4);
}

.status-badge.past {
    background: rgba(160, 160, 176, 0.1);
    color: var(--text-muted);
    border: 1px solid var(--card-border);
}

.event-card .card-link {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

.event-card .card-link:hover {
    text-decoration: underline;
}

/* Load more */
.load-more-wrap {
    text-align: center;
    margin-top: 3rem;
}

/* Reveal animation as cards mount */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.6s ease-out forwards;
}

@media (max-width: 600px) {
    .event-card-head {
        flex-direction: column;
    }
    .timeline {
        padding-left: 1.5rem;
    }
}

/* ============================================================
   EVENT DETAIL — full-screen modal (article view)
   ============================================================ */
.event-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 5vh 1.25rem;
    overflow-y: auto;
    background: rgba(2, 2, 10, 0.72);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.25s ease;
}

.event-modal {
    position: relative;
    width: 100%;
    max-width: 760px;
    background: rgba(12, 14, 28, 0.92);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(0, 243, 255, 0.06);
    animation: scaleUp 0.3s ease;
}

.event-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 3;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--card-border);
    background: rgba(5, 5, 16, 0.6);
    backdrop-filter: blur(6px);
    color: var(--text-main);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    transition: all 0.25s ease;
}
.event-modal-close:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 16px rgba(0, 243, 255, 0.35);
}

/* Poster */
.event-modal-poster {
    position: relative;
    width: 100%;
    max-height: 320px;
    overflow: hidden;
}
.event-modal-poster img {
    width: 100%;
    height: 100%;
    max-height: 320px;
    object-fit: cover;
    display: block;
}
/* Fade the poster into the body for a seamless header */
.event-modal-poster::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 55%, rgba(12, 14, 28, 0.95));
    pointer-events: none;
}

.event-modal-body {
    padding: 2.5rem;
}
/* When there is no poster, give the close button some breathing room */
.event-modal:not(.has-poster) .event-modal-body { padding-top: 3.25rem; }

.event-modal-meta {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1rem;
}
.event-modal-date {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.event-modal h1 {
    font-size: 2.1rem;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--text-main), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.event-modal-loc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.event-modal .event-tags { margin-bottom: 1.75rem; }

/* Article typography — optimised for comfortable reading */
.event-modal-content {
    color: #d7d9e6;
    font-size: 1.08rem;
    line-height: 1.85;
    max-width: 62ch; /* ideal reading measure */
}
.event-modal-content p { margin-bottom: 1.25rem; }
.event-modal-content p:last-child { margin-bottom: 0; }
/* Lead paragraph stands out slightly */
.event-modal-content p:first-child {
    font-size: 1.18rem;
    color: #e8eaf2;
}

/* Rich-text formatting from the CMS (Quill) */
.event-modal-content strong, .event-modal-content b { color: #fff; font-weight: 700; }
.event-modal-content em, .event-modal-content i { font-style: italic; }
.event-modal-content a {
    color: var(--accent-color);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.event-modal-content a:hover { text-shadow: 0 0 8px rgba(0, 243, 255, 0.4); }
.event-modal-content ul,
.event-modal-content ol { margin: 0 0 1.25rem 1.5rem; }
.event-modal-content li { margin-bottom: 0.5rem; }
.event-modal-content ul li::marker { color: var(--accent-color); }
.event-modal-content ol li::marker { color: var(--accent-color); }
.event-modal-content h2,
.event-modal-content h3,
.event-modal-content h4 {
    color: var(--text-main);
    font-weight: 600;
    line-height: 1.3;
    margin: 1.75rem 0 0.75rem;
}
.event-modal-content h2 { font-size: 1.5rem; }
.event-modal-content h3 { font-size: 1.25rem; }
.event-modal-content h4 { font-size: 1.1rem; }
.event-modal-content blockquote {
    margin: 0 0 1.25rem;
    padding: 0.5rem 0 0.5rem 1.25rem;
    border-left: 3px solid var(--accent-color);
    color: var(--text-muted);
    font-style: italic;
}

/* Divider + registration call-to-action */
.event-modal-cta {
    margin-top: 2.25rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.event-modal-cta .btn { font-size: 0.9rem; }
.event-modal-cta .cta-note { color: var(--text-muted); font-size: 0.85rem; }

/* Lock background scroll while a modal is open */
body.modal-open { overflow: hidden; }

@media (max-width: 600px) {
    .event-modal-body { padding: 1.75rem; }
    .event-modal h1 { font-size: 1.6rem; }
    .event-modal-content { font-size: 1.02rem; line-height: 1.8; }
}

/* ============================================================
   TEAM — member cards
   ============================================================ */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.75rem;
    max-width: 1100px;
    margin: 0 auto;
}

.member-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    backdrop-filter: blur(8px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.member-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 243, 255, 0.4);
    box-shadow: 0 12px 40px rgba(0, 243, 255, 0.1);
}

.member-photo,
.member-photo-fallback {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.25rem;
    border: 2px solid var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Clickable member cards (open the detail modal) */
.member-card.is-clickable { cursor: pointer; }
.member-card.is-clickable:focus-visible {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 243, 255, 0.18);
}
.member-photo-fallback {
    font-size: 2.4rem;
    font-weight: 300;
    color: var(--accent-color);
    background: rgba(0, 243, 255, 0.06);
}

.member-card h3 { font-size: 1.2rem; margin-bottom: 0.25rem; }
.member-role { color: var(--accent-color); font-size: 0.9rem; font-weight: 600; margin-bottom: 0.75rem; }
.member-bio { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }
.member-link {
    display: inline-block;
    margin-top: 0.9rem;
    color: var(--accent-color);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
}
.member-link:hover { text-decoration: underline; }

/* Former members read as a more compact list */
.team-grid.is-former { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.team-grid.is-former .member-photo,
.team-grid.is-former .member-photo-fallback { width: 84px; height: 84px; font-size: 1.8rem; }

/* ============================================================
   GALLERY — lab photos / lab life
   ============================================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    border: 1px solid var(--card-border);
    cursor: pointer;
    background: var(--card-bg);
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.45s ease;
}
.gallery-item:hover img { transform: scale(1.06); }

/* Caption overlay slides up on hover */
.gallery-cap {
    position: absolute;
    inset: auto 0 0 0;
    padding: 1.5rem 1rem 0.9rem;
    font-size: 0.85rem;
    color: #fff;
    background: linear-gradient(to top, rgba(2, 2, 10, 0.85), transparent);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.gallery-item:hover .gallery-cap { opacity: 1; transform: translateY(0); }
.gallery-item::after {
    content: "";
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 0 0 rgba(0, 243, 255, 0);
    transition: box-shadow 0.3s ease;
    pointer-events: none;
}
.gallery-item:hover::after { box-shadow: inset 0 0 0 2px rgba(0, 243, 255, 0.5); }

/* ---- Lightbox ---- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4vh 2vw;
    background: rgba(2, 2, 10, 0.9);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.25s ease;
}
.lightbox img {
    max-width: 90vw;
    max-height: 82vh;
    border-radius: 12px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
    animation: scaleUp 0.3s ease;
}
.lightbox-cap {
    position: absolute;
    bottom: 4vh;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}
.lightbox-close,
.lightbox-nav {
    position: absolute;
    background: rgba(5, 5, 16, 0.6);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox-close { top: 4vh; right: 4vw; }
.lightbox-nav.prev { left: 3vw; top: 50%; transform: translateY(-50%); }
.lightbox-nav.next { right: 3vw; top: 50%; transform: translateY(-50%); }
.lightbox-close:hover,
.lightbox-nav:hover { color: var(--accent-color); border-color: var(--accent-color); }

@media (max-width: 600px) {
    .lightbox-nav { display: none; }
}

.event-card h3 a,
.event-card h3 a:visited,
.event-card h3 a:hover,
.event-card h3 a:active {
    color: inherit;
    text-decoration: none;
}

.event-card .event-readmore,
.event-card .event-readmore:visited,
.event-card .event-readmore:hover,
.event-card .event-readmore:active {
    color: #000;
    text-decoration: none;
}