/* people.css — Faculty page styles. Requires global.css first. */

.faculty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.faculty-card {
    display: grid;
    grid-template-rows: auto 1fr;
    background: #ffffff;
    border: 1px solid var(--gray-2);
    transition: box-shadow 0.2s, transform 0.2s;
}

.faculty-card:hover {
    box-shadow: 0 6px 24px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

/* Photo */
.faculty-card-photo-wrap {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: var(--gray-1);
}

.faculty-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.faculty-photo-fallback {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    font-size: 3.5rem;
    color: var(--gray-2);
}

/* Stream badge */
.faculty-stream-badge {
    position: absolute;
    bottom: 0;
    left: 0;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    color: #ffffff;
}

.faculty-stream-badge.cspl   { background: var(--cspl); }
.faculty-stream-badge.micro  { background: var(--vlsi); }
.faculty-stream-badge.peps   { background: var(--peps); }
.faculty-stream-badge.syscon { background: var(--syscon); }

/* Card body */
.faculty-card-body {
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    gap: 0.5rem;
    padding: 1.25rem;
}

.faculty-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--navy);
    line-height: 1.3;
}

.faculty-designation {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Research interests */
.faculty-interests-wrap {
    display: grid;
    gap: 0.25rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--gray-2);
}

.faculty-interests-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray-3);
}

.faculty-interests {
    font-size: 0.82rem;
    color: #444;
    line-height: 1.6;
}

.interests-toggle {
    background: none;
    border: none;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    padding: 0;
    cursor: pointer;
    text-align: left;
}

.interests-toggle:hover { text-decoration: underline; }

/* Links */
.faculty-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--gray-2);
}

.faculty-link-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--navy);
    text-decoration: none;
    padding: 0.45rem 0;
    border: 1px solid var(--gray-2);
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.faculty-link-btn:hover {
    background: var(--navy);
    color: #ffffff;
    border-color: var(--navy);
    text-decoration: none;
}

/* Filter bar stream colours */
.filter-btn.micro.active  { color: var(--vlsi); border-bottom-color: var(--vlsi); }

/* Category sections */
.faculty-section { margin-bottom: 3rem; }

.faculty-section-heading {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-3);
    border-bottom: 1px solid var(--gray-2);
    padding-bottom: 0.5rem;
    margin-bottom: 1.25rem;
}

.loading-text { color: #999; font-size: 0.9rem; }
.error-text   { color: #c0392b; font-size: 0.9rem; }

@media (max-width: 768px) {
    .faculty-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
}

@media (max-width: 480px) {
    .faculty-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 360px) {
    .faculty-grid { grid-template-columns: 1fr; }
}