/* =================================
   THEME HALAMAN GALERI MODERN
================================= */

/* Menggunakan variabel dari style.css */
:root {
    --bg-dark: #0a0a0a;
    --bg-card: #1a1a1a;
    --gold: #D4AF37;
    --text-light: #f0f0f0;
    --text-secondary: #a0a0a0;
    --font-primary: 'Poppins', sans-serif;
    --font-display: 'Poppins', serif;
}

/* Container Utama */
.gallery-page-container {
    padding: 140px 0 80px 0;
    background-color: var(--bg-dark);
    min-height: 100vh;
}

.section-title {
    color: var(--text-light);
}
.section-title h2 {
    color: var(--gold);
}
.section-title p {
    color: var(--text-secondary);
}

/* Filter Buttons */
.gallery-filters {
    text-align: center;
    margin-bottom: 50px;
}

.filter-btn {
    display: inline-block;
    background-color: transparent;
    color: var(--gold);
    padding: 10px 25px;
    margin: 5px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-primary);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    border: 2px solid var(--gold);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--gold);
    color: var(--bg-dark);
}

/* Grid Portfolio & Animasi Halus */
.portfolio-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

.portfolio-gallery-grid .group {
    height: 250px;
    position: relative; /* Diperlukan untuk overlay */
    border-radius: 8px;
    overflow: hidden; /* Menyembunyikan gambar yang membesar */
}

/* =================================
   EFEK HOVER UNTUK JUDUL GAMBAR
================================= */

.portfolio-gallery-grid .group img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.portfolio-gallery-grid .group:hover img {
    transform: scale(1.1); /* Efek zoom pada gambar */
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0; /* Sembunyikan secara default */
    transition: opacity 0.4s ease;
}

.portfolio-gallery-grid .group:hover .card-overlay {
    opacity: 1; /* Tampilkan saat hover */
}

.card-overlay h3 {
    color: var(--text-light);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
    transform: translateY(15px); /* Mulai dari bawah */
    transition: transform 0.4s ease;
}

.portfolio-gallery-grid .group:hover .card-overlay h3 {
    transform: translateY(0); /* Bergerak ke posisi normal saat hover */
}


/* =================================
   OFF-CANVAS PANEL ELEGANT & MODERN
================================= */
body.overflow-hidden {
    overflow: hidden;
}

#offcanvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5000;
    pointer-events: none;
}

#offcanvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 10, 0.6); /* Darker overlay */
    backdrop-filter: blur(8px); /* Stronger blur */
    opacity: 0;
    transition: opacity 0.4s ease;
}

#offcanvas-panel {
    position: fixed;
    top: 0;
    right: 0;
    height: 100%;
    width: 100%;
    max-width: 550px; /* Panel sedikit lebih lebar */
    background-color: var(--bg-card);
    color: var(--text-light);
    transform: translateX(100%);
    /* Transisi yang lebih halus dan premium */
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: -20px 0 50px rgba(0,0,0,0.5);
    border-left: 1px solid rgba(212, 175, 55, 0.2);
}

/* State ketika panel aktif */
#offcanvas-container.active {
    pointer-events: auto;
}
#offcanvas-container.active #offcanvas-overlay {
    opacity: 1;
}
#offcanvas-container.active #offcanvas-panel {
    transform: translateX(0);
}

/* Header Panel */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2.5rem; /* Padding lebih besar */
    flex-shrink: 0;
    background-color: var(--bg-dark); /* Warna latar belakang berbeda untuk header */
    box-shadow: 0 4px 10px rgba(0,0,0,0.3); /* Bayangan sebagai pemisah */
    position: relative; /* Diperlukan untuk z-index */
    z-index: 10;
}

#panel-title {
    font-family: var(--font-display);
    font-size: 2rem; /* Judul lebih besar dan menonjol */
    font-weight: 700;
    color: var(--gold);
    margin: 0;
    line-height: 1.2;
}

#close-panel-btn {
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #9CA3AF;
    font-size: 1.5rem;
    cursor: pointer;
    width: 44px; /* Sedikit lebih besar */
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
#close-panel-btn:hover {
    color: white;
    background-color: rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.3);
    transform: rotate(90deg);
}

/* Body Panel */
.panel-body {
    padding: 2.5rem; /* Padding konsisten dan lebih besar */
    overflow-y: auto;
    flex-grow: 1;
}

/* Custom Scrollbar untuk sentuhan elegan */
.panel-body::-webkit-scrollbar {
    width: 8px;
}
.panel-body::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.2);
}
.panel-body::-webkit-scrollbar-thumb {
    background-color: var(--gold);
    border-radius: 10px;
    border: 2px solid var(--bg-card);
}
.panel-body::-webkit-scrollbar-thumb:hover {
    background-color: #e6c55b; /* Emas lebih terang saat di-hover */
}

.main-image-wrapper {
    width: 100%;
    margin-bottom: 2rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3); /* Bayangan halus untuk kedalaman */
}
#panel-main-image {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
}

/* Thumbnails */
.thumbnails-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.thumbnail-item {
    position: relative;
    cursor: pointer;
    border-radius: 6px;
    overflow: hidden;
    transition: transform 0.3s ease;
}
.thumbnail-item:hover {
    transform: translateY(-4px); /* Efek terangkat saat di-hover */
}

.thumbnail-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.4), rgba(212, 175, 55, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.thumbnail-item img {
    width: 100%;
    height: 85px; /* Thumbnail lebih tinggi */
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.thumbnail-item:hover img {
    transform: scale(1.15);
}

.thumbnail-item.thumbnail-active {
    /* Efek glow untuk thumbnail aktif */
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.6);
}

.thumbnail-item.thumbnail-active::after {
    opacity: 1;
}

/* Caption di dalam thumbnail */
.thumbnail-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.95), transparent);
    color: white;
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
    padding: 14px 4px 6px 4px;
    user-select: none;
    transition: all 0.3s ease;
}

.thumbnail-item.thumbnail-active .thumbnail-caption {
    color: var(--gold);
    font-weight: 700;
    font-size: 0.85rem;
}

/* Deskripsi di bawah */
.description-wrapper {
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}
#panel-description {
    font-size: 1.1rem;
    color: var(--text-secondary); /* Warna lebih lembut untuk deskripsi */
    font-weight: 400; /* Bobot lebih ringan agar mudah dibaca */
    line-height: 1.7;
}