/* Board members page. Shared chrome (navbar, footer, page-hero) comes from branches.css. */

.board-section {
    background: linear-gradient(180deg, var(--light-bg) 0%, #ffffff 100%);
    padding: 40px 20px 110px;
}

.board-container {
    max-width: 1240px;
    margin: 0 auto;
}

/* ---------- Chairman: featured card ---------- */
.board-leader {
    display: grid;
    grid-template-columns: 320px 1fr;
    max-width: 960px;
    margin: 0 auto 80px;
    border-radius: 32px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 30px 70px rgba(0, 51, 102, 0.14);
    animation: boardFadeUp 0.8s ease both;
}

.board-leader-photo {
    position: relative;
    background: var(--light-bg);
}

.board-leader-photo img {
    width: 100%;
    height: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    display: block;
}

.board-leader-info {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
    padding: 50px 56px;
    color: #ffffff;
    background: linear-gradient(135deg, #003366 0%, #00509E 100%);
}

.board-leader-info::after {
    content: '';
    position: absolute;
    inset: auto 0 0 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-orange));
}

.board-badge {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    border-radius: 50px;
    background: rgba(239, 161, 48, 0.16);
    border: 1px solid rgba(239, 161, 48, 0.55);
    color: #FFC566;
    font-weight: 700;
    font-size: 1rem;
}

.board-leader-name {
    font-size: 2.3rem;
    font-weight: 800;
    line-height: 1.35;
    margin: 0;
}

.board-leader .board-name-en {
    color: rgba(255, 255, 255, 0.72);
    font-size: 1.05rem;
}

.board-leader-pattern {
    position: absolute;
    left: -40px;
    bottom: 26px;
    width: 340px;
    opacity: 0.12;
    filter: brightness(0) invert(1);
    pointer-events: none;
}

/* ---------- Members grid ---------- */
.board-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.board-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    animation: boardFadeUp 0.7s ease both;
    animation-delay: calc(var(--i, 0) * 60ms + 200ms);
}

.board-card::after {
    content: '';
    position: absolute;
    inset: auto 0 0 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.board-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 51, 102, 0.12);
}

.board-card:hover::after {
    transform: scaleX(1);
}

.board-photo {
    overflow: hidden;
    background: var(--light-bg);
}

.board-photo img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.board-card:hover .board-photo img {
    transform: scale(1.05);
}

.board-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 22px 18px 26px;
    text-align: center;
}

.board-name {
    color: var(--deep-blue);
    font-size: 1.12rem;
    font-weight: 800;
    line-height: 1.5;
    margin: 0;
}

.board-name-en {
    color: #8a94a0;
    font-size: 0.82rem;
    letter-spacing: 0.3px;
    margin: 0;
}

.board-position {
    margin-top: auto;
    display: inline-block;
    padding: 6px 16px;
    border-radius: 50px;
    background: rgba(94, 162, 98, 0.12);
    color: #3E7F43;
    font-size: 0.88rem;
    font-weight: 700;
    line-height: 1.6;
}

.board-info .board-name-en + .board-position,
.board-info .board-name + .board-position {
    margin-top: 10px;
}

.board-empty {
    text-align: center;
    color: #6b7785;
    font-size: 1.2rem;
    padding: 60px 0;
}

@keyframes boardFadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .board-leader, .board-card { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
    .board-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 820px) {
    .board-leader { grid-template-columns: 1fr; max-width: 460px; }
    .board-leader-info { padding: 34px 28px 40px; text-align: center; align-items: center; }
    .board-badge { align-self: center; }
    .board-leader-name { font-size: 1.8rem; }
    .board-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 480px) {
    .board-section { padding: 30px 14px 80px; }
    .board-grid { gap: 14px; }
    .board-info { padding: 16px 10px 18px; }
    .board-name { font-size: 0.98rem; }
    .board-name-en { font-size: 0.72rem; }
    .board-position { font-size: 0.76rem; padding: 5px 10px; }
}