* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f6f8;
    color: #222;
}


/* =========================
   HEADER
========================= */

.header {
    background: #ffffff;
    border-bottom: 1px solid #ddd;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: auto;
    padding: 18px 25px;

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;

    font-size: 20px;
    font-weight: 700;
}

.logo i {
    font-size: 24px;
}

.home-btn {
    text-decoration: none;
    color: #222;

    display: flex;
    align-items: center;
    gap: 8px;

    padding: 10px 16px;

    border: 1px solid #ddd;
    border-radius: 7px;

    transition: 0.2s;
}

.home-btn:hover {
    background: #f0f0f0;
}


/* =========================
   MAIN
========================= */

.container {
    max-width: 1200px;
    margin: auto;
    padding: 45px 25px;
}

.page-title {
    text-align: center;
    margin-bottom: 30px;
}

.page-title h1 {
    font-size: 34px;
    margin-bottom: 8px;
}

.page-title p {
    color: #777;
}


/* =========================
   TABS
========================= */

.tabs {
    display: flex;
    justify-content: center;
    gap: 10px;

    margin-bottom: 35px;
}

.tab {
    border: 1px solid #ddd;
    background: #fff;

    padding: 12px 25px;

    border-radius: 7px;

    cursor: pointer;

    font-size: 15px;

    display: flex;
    align-items: center;
    gap: 8px;

    transition: 0.2s;
}

.tab:hover {
    background: #f0f0f0;
}

.tab.active {
    background: #222;
    color: #fff;
    border-color: #222;
}


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

.media-section {
    display: none;
}

.media-section.active {
    display: block;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-bottom: 20px;
}

.section-heading h2 {
    font-size: 22px;
}

.section-heading span {
    color: #777;
    font-size: 14px;
}


/* =========================
   PHOTO GRID
========================= */

.photo-grid {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 18px;
}

.photo-card {
    position: relative;

    background: #fff;

    border-radius: 10px;

    overflow: hidden;

    cursor: pointer;

    aspect-ratio: 4 / 3;

    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.07);

    transition: 0.25s;
}

.photo-card:hover {
    transform: translateY(-4px);
}

.photo-card img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    display: block;
}


/* =========================
   VIDEO GRID
========================= */

.video-grid {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 20px;
}

.video-card {
    background: #fff;

    border-radius: 10px;

    overflow: hidden;

    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.07);
}

.video-thumbnail {
    position: relative;

    aspect-ratio: 16 / 9;

    background: #111;

    cursor: pointer;

    overflow: hidden;
}

.video-thumbnail video {
    width: 100%;
    height: 100%;

    object-fit: cover;
}

.play-button {
    position: absolute;

    left: 50%;
    top: 50%;

    transform: translate(-50%, -50%);

    width: 55px;
    height: 55px;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.9);

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

    font-size: 20px;

    pointer-events: none;
}

.video-title {
    padding: 14px;

    font-size: 15px;
    font-weight: 600;
}


/* =========================
   EMPTY MESSAGE
========================= */

.empty-message {
    grid-column: 1 / -1;

    text-align: center;

    padding: 70px 20px;

    color: #888;
}

.empty-message i {
    font-size: 45px;

    margin-bottom: 15px;
}

.empty-message p {
    font-size: 16px;
}


/* =========================
   MODAL
========================= */

.modal {
    display: none;

    position: fixed;

    inset: 0;

    z-index: 999;

    background: rgba(0, 0, 0, 0.92);

    align-items: center;
    justify-content: center;

    padding: 30px;
}

.modal.show {
    display: flex;
}

.modal img {
    max-width: 92%;
    max-height: 85vh;

    object-fit: contain;

    border-radius: 5px;
}

.modal video {
    width: min(100%, 1000px);

    max-height: 80vh;

    background: #000;
}

.close-modal {
    position: absolute;

    right: 25px;
    top: 20px;

    width: 45px;
    height: 45px;

    border: none;

    border-radius: 50%;

    background: rgba(255,255,255,0.15);

    color: white;

    font-size: 22px;

    cursor: pointer;
}

.close-modal:hover {
    background: rgba(255,255,255,0.3);
}

.caption {
    position: absolute;

    bottom: 20px;

    left: 50%;

    transform: translateX(-50%);

    color: white;

    font-size: 15px;

    text-align: center;
}


/* =========================
   FOOTER
========================= */

footer {
    text-align: center;

    padding: 25px;

    color: #777;

    border-top: 1px solid #ddd;

    margin-top: 40px;
}


/* =========================
   TABLET
========================= */

@media (max-width: 900px) {

    .photo-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}


/* =========================
   MOBILE
========================= */

@media (max-width: 600px) {

    .header-content {
        padding: 15px;
    }

    .logo {
        font-size: 17px;
    }

    .home-btn {
        padding: 8px 11px;
        font-size: 13px;
    }

    .container {
        padding: 30px 15px;
    }

    .page-title h1 {
        font-size: 27px;
    }

    .tabs {
        width: 100%;
    }

    .tab {
        flex: 1;
        justify-content: center;
        padding: 11px;
    }

    .photo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .video-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .section-heading h2 {
        font-size: 19px;
    }

    .modal {
        padding: 15px;
    }

    .modal img {
        max-width: 100%;
    }

}