/* ================= SCHOOL NAV ================= */

.school-nav {
    position: sticky;
    top: 20px;
    z-index: 2000;
    padding: 0 20px;
}

.school-nav-inner {
    max-width: 1400px;
    margin: auto;
    background: rgba(255,255,255,0.95);
    border-radius: 20px;
    padding: 14px 28px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.school-logo-link {
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    color: #222;
}

.school-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 22px;
    margin: 0;
    padding: 0;
}

.school-menu li a {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: 0.3s;
}

.school-menu li a:hover {
    color: #0066ff;
}

/* SEARCH */

.school-search form {
    display: flex;
    align-items: center;
    gap: 6px;
}

.school-search input {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-size: 13px;
}

.school-search button {
    border: none;
    background: #0066ff;
    color: #fff;
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
}

.school-search button:hover {
    background: #004bcc;
}


/* ================= CARD SECTION ================= */

/* 🔥 เต็มหน้าจอจริง */
.card-container {
    width: 100%;
    max-width: 1400px;     /* ขยายให้กว้างขึ้น */
    margin: 60px auto;
    padding: 0 40px;

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

/* การ์ด */
.image-card {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    background: #ddd;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    transition: 0.3s;
}

.image-card:hover {
    transform: translateY(-6px);
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* overlay */
.overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0,0,0,0.85) 45%,
        rgba(0,0,0,0.3),
        transparent
    );
    color: #fff;
    padding: 18px;

    display: flex;
    flex-direction: column;
    justify-content: flex-end;

    transform: translateY(100%);
    transition: 0.4s;
}

.image-card:hover .overlay {
    transform: translateY(0);
}

.overlay h2 {
    font-size: 16px;
    margin: 0 0 6px;
}

.overlay p {
    font-size: 13px;
    margin: 0;
    opacity: 0.9;
}

/* ================= RESPONSIVE ================= */

@media (max-width: 1200px) {
    .card-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .card-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .card-container {
        grid-template-columns: repeat(1, 1fr);
    }
}

.view-count {
    margin-top: 8px;
    font-size: 13px;
    opacity: 0.9;
}