/*==================================================
    PORTFOLIO (BASE & DESKTOP STYLES)
==================================================*/

.portfolio {
    padding: 120px 0;
    background: #F8FAFC;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin: 60px 0;
}

.filter-btn {
    padding: 14px 28px;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: #fff;
    cursor: pointer;
    transition: .35s;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portfolio-card {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    cursor: pointer;
    background: #fff;
    box-shadow: var(--shadow);
    aspect-ratio: 4 / 3;
    width: 100%;
    transition: opacity .3s ease, transform .3s ease, box-shadow .35s ease, filter .35s ease;
}

.portfolio-card:hover img {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    background: linear-gradient(to top, rgba(15,23,42,.9), transparent);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .35s, transform .35s;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-overlay h3 {
    color: #fff;
}

.portfolio-overlay p {
    color: #CBD5E1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 15px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.view-project {
    margin-top: 18px;
    padding: 12px 18px;
    border: none;
    border-radius: 12px;
    background: #fff;
    color: var(--primary);
    cursor: pointer;
    font-weight: 700;
    transition: .3s;
}

.view-project:hover {
    transform: translateX(6px);
}

/* PORTFOLIO ASPECT RATIO 9:16 */
.portfolio-card.vertical .portfolio-image-wrapper,
.portfolio-item.vertical .portfolio-image-wrapper {
    aspect-ratio: 9 / 16;
    width: 100%;
    overflow: hidden;
    position: relative;
    border-radius: 12px;
}

.portfolio-card.vertical img,
.portfolio-card.vertical video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/*==================================================
    PAGINATION
==================================================*/
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    margin-bottom: 20px;
}

.page-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 50px;
    border: 1px solid #e2e8f0;
    background-color: #ffffff;
    color: #0f172a;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover:not(:disabled) {
    background-color: #f1f5f9;
    border-color: #cbd5e1;
    transform: translateY(-2px);
}

.page-btn.active {
    background-color: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/*==================================================
    INDIKATOR LOADING (SKELETON SHIMMER)
==================================================*/
.portfolio-card {
    position: relative;
    background-color: #cbd5e1;
}

.portfolio-card::before {
    content: "";
    position: absolute;
    top: 0; 
    left: -100%;
    width: 100%; 
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: skeleton-shimmer 1.2s infinite;
    z-index: 1;
    pointer-events: none;
}

@keyframes skeleton-shimmer {
    100% { left: 100%; }
}

.portfolio-card img {
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease-in-out;
}

.portfolio-card.loaded::before { display: none; }
.portfolio-card.loaded img { opacity: 1; }

/*==================================================
    MODAL POPUP (DESKTOP)
==================================================*/
.portfolio-modal {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.75);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    visibility: hidden;
    opacity: 0;
    transition: .35s;
    z-index: 99999;
}

.portfolio-modal.active {
    visibility: visible;
    opacity: 1;
}

.portfolio-modal-content {
    width: 95%;
    max-width: 1100px;
    position: relative;
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
}

.modal-image-wrapper {
    position: relative;
    min-height: 650px;
    background: #000; 
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-image,
.modal-video-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    object-fit: contain; 
}

.modal-info {
    padding: 50px;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: #ffffff;
    color: #0F172A;
    font-size: 22px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0,0,0,.15);
    transition: .3s;
    z-index: 1000;
}

.close-modal:hover {
    background: var(--primary);
    color: #fff;
    transform: rotate(90deg) scale(1.08);
}


/*==================================================
    PERBAIKAN TAMPILAN MOBILE & VIDEO (MAX-WIDTH: 768PX)
==================================================*/
@media (max-width: 768px) {
    
    /* 1. GRID PORTFOLIO JADI 2 KOLOM RAPI */
    .portfolio-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
        padding: 0 !important;
    }

    .portfolio-card { border-radius: 12px !important; }
    .portfolio-overlay { padding: 12px !important; }
    .portfolio-overlay h3 { font-size: 0.9rem !important; margin-bottom: 4px !important; }
    .portfolio-overlay p {
        font-size: 0.75rem !important;
        -webkit-line-clamp: 2 !important;
        margin-bottom: 8px !important;
    }
    .view-project { padding: 8px 12px !important; font-size: 0.75rem !important; margin-top: 4px !important; }
    
    .portfolio-filter { gap: 8px !important; margin: 20px 0 30px 0 !important; }
    .filter-btn { padding: 8px 16px !important; font-size: 0.85rem !important; }

    /* 2. LAYOUT MODAL MENUJU 1 KOLOM */
    .portfolio-modal-content {
        display: flex !important;
        flex-direction: column !important;
        width: 92% !important;
        max-width: 400px !important;
        max-height: 85vh !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        border-radius: 16px !important;
    }

    /* 3. KUNCI VIDEO GOOGLE DRIVE: ASPECT RATIO + UI SCALE HACK */
    .modal-image-wrapper {
        position: relative !important;
        width: 100% !important;
        height: auto !important;
        aspect-ratio: 16 / 9 !important; /* Paksa rasio lanskap sempurna */
        background: #000 !important;
        display: block !important;
        padding: 0 !important;
        border-radius: 16px 16px 0 0 !important;
        overflow: hidden !important;
    }

    /* Khusus untuk video vertikal (TikTok/Reels) di HP */
    .portfolio-modal-content .modal-image-wrapper.vertical {
        aspect-ratio: 9 / 16 !important; /* Paksa rasio vertikal sempurna */
        height: auto !important;
        max-height: none !important; /* Jangan dibatasi agar tidak gepeng */
    }

    /* Iframe Google Drive di-hack agar UI tidak raksasa di HP */
    .modal-video-iframe {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        /* HACK: Merender video 2x lipat lebih besar, lalu diperkecil 50%.
           Ini menipu Google Drive agar menampilkan ukuran UI PC (Kecil & Rapi)
           ke dalam layar HP Anda! */
        width: 200% !important;
        height: 200% !important;
        transform: scale(0.5) !important;
        transform-origin: top left !important;
        border: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    /* Gambar statis tetap normal 100% */
    .modal-image {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        border: none !important;
        object-fit: contain !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    /* 4. PERBAIKAN TEKS DESKRIPSI DALAM MODAL */
    .modal-info {
        padding: 20px 16px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .modal-title {
        font-size: 1.3rem !important;
        margin-bottom: 16px !important;
        word-wrap: break-word !important; 
    }

    .modal-metadata {
        display: flex !important;
        flex-direction: column !important;
        gap: 12px !important;
        margin-bottom: 20px !important;
        padding-bottom: 16px !important;
    }

    .close-modal {
        top: 10px !important;
        right: 10px !important;
        width: 32px !important;
        height: 32px !important;
        font-size: 16px !important;
        z-index: 9999 !important;
        background: rgba(255,255,255,0.9) !important;
    }
}