/* ==========================================================================
   SINaya Modern Design System — BP Kebudayaan D.I. Yogyakarta
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
    --sn-primary: #1d4ed8;
    --sn-primary-light: #3b82f6;
    --sn-primary-dark: #1e3a8a;
    --sn-accent: #f59e0b;
    --sn-accent-light: #fbbf24;
    --sn-success: #10b981;
    --sn-danger: #ef4444;
    --sn-surface: #ffffff;
    --sn-bg: #f0f4f8;
    --sn-bg-alt: #e2e8f0;
    --sn-text: #1e293b;
    --sn-text-muted: #64748b;
    --sn-text-light: #94a3b8;
    --sn-border: #e2e8f0;
    --sn-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --sn-shadow: 0 4px 12px rgba(0,0,0,0.07);
    --sn-shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
    --sn-shadow-xl: 0 20px 50px rgba(0,0,0,0.12);
    --sn-radius: 12px;
    --sn-radius-lg: 16px;
    --sn-radius-xl: 20px;
    --sn-transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --sn-gradient-primary: linear-gradient(135deg, #1d4ed8 0%, #7c3aed 100%);
    --sn-gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --sn-gradient-cool: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --sn-gradient-green: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --sn-gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
}

/* ---------- Keyframe Animations ---------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to   { opacity: 1; transform: translateX(0); }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(29, 78, 216, 0.3); }
    50%      { box-shadow: 0 0 0 10px rgba(29, 78, 216, 0); }
}

@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes countUp {
    from { opacity: 0; transform: scale(0.5); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%      { transform: translateY(-6px); }
}

@keyframes spinIn {
    from { opacity: 0; transform: rotate(-180deg) scale(0); }
    to   { opacity: 1; transform: rotate(0) scale(1); }
}

/* ---------- Scroll Reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}
.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ---------- Hero Section ---------- */
.sn-hero {
    position: relative;
    min-height: 420px;
    overflow: hidden;
    border-radius: 0 0 var(--sn-radius-xl) var(--sn-radius-xl);
}
.sn-hero img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    object-position: center top;
}
.sn-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.85) 0%, rgba(29,78,216,0.6) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
.sn-hero-content {
    text-align: center;
    color: #fff;
    max-width: 700px;
    animation: fadeInUp 1s ease-out;
}
.sn-hero-content h1 {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.sn-hero-content p {
    font-size: 1.05rem;
    opacity: 0.9;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}
.sn-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    color: #fff;
    margin-bottom: 1.5rem;
    animation: fadeIn 1.2s ease-out;
}

/* ---------- Stat Dashboard Cards ---------- */
.sn-stats-row {
    margin-top: -50px;
    position: relative;
    z-index: 10;
}
.sn-stat-card {
    background: var(--sn-surface);
    border-radius: var(--sn-radius-lg);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--sn-shadow-lg);
    border: 1px solid var(--sn-border);
    transition: var(--sn-transition);
    position: relative;
    overflow: hidden;
}
.sn-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}
.sn-stat-card.stat-primary::before { background: var(--sn-gradient-primary); }
.sn-stat-card.stat-warm::before    { background: var(--sn-gradient-warm); }
.sn-stat-card.stat-cool::before    { background: var(--sn-gradient-cool); }
.sn-stat-card.stat-green::before   { background: var(--sn-gradient-green); }

.sn-stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sn-shadow-xl);
}
.sn-stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 0.75rem;
}
.sn-stat-icon.bg-primary-gradient { background: var(--sn-gradient-primary); }
.sn-stat-icon.bg-warm-gradient    { background: var(--sn-gradient-warm); }
.sn-stat-icon.bg-cool-gradient    { background: var(--sn-gradient-cool); }
.sn-stat-icon.bg-green-gradient   { background: var(--sn-gradient-green); }

.sn-stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--sn-text);
    line-height: 1;
    margin-bottom: 0.25rem;
}
.sn-stat-label {
    font-size: 0.8rem;
    color: var(--sn-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---------- Section Headers ---------- */
.sn-section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--sn-border);
}
.sn-section-header .sn-icon-box {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #fff;
    flex-shrink: 0;
}
.sn-section-header h4 {
    margin: 0;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--sn-text);
}

/* ---------- Modern Cards ---------- */
.sn-card {
    background: var(--sn-surface);
    border-radius: var(--sn-radius);
    border: 1px solid var(--sn-border);
    box-shadow: var(--sn-shadow-sm);
    transition: var(--sn-transition);
    overflow: hidden;
}
.sn-card:hover {
    box-shadow: var(--sn-shadow-lg);
    transform: translateY(-4px);
    border-color: rgba(29, 78, 216, 0.15);
}
.sn-card .card-img-top {
    transition: transform 0.5s ease;
}
.sn-card:hover .card-img-top {
    transform: scale(1.05);
}
.sn-card-img-wrapper {
    overflow: hidden;
    position: relative;
}
.sn-card-img-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.sn-card:hover .sn-card-img-wrapper::after {
    opacity: 1;
}

/* ---------- Horizontal Article Card ---------- */
.sn-article-card {
    background: var(--sn-surface);
    border-radius: var(--sn-radius);
    border: 1px solid var(--sn-border);
    box-shadow: var(--sn-shadow-sm);
    transition: var(--sn-transition);
    overflow: hidden;
}
.sn-article-card:hover {
    box-shadow: var(--sn-shadow);
    transform: translateX(4px);
    border-left: 3px solid var(--sn-primary);
}
.sn-article-card .sn-card-img-wrapper img {
    transition: transform 0.5s ease;
}
.sn-article-card:hover .sn-card-img-wrapper img {
    transform: scale(1.08);
}

/* ---------- Category List Modern ---------- */
.sn-cat-list .list-group-item {
    border: none;
    border-bottom: 1px solid var(--sn-border);
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--sn-text);
    transition: var(--sn-transition);
    position: relative;
}
.sn-cat-list .list-group-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--sn-primary);
    border-radius: 0 3px 3px 0;
    transition: height 0.3s ease;
}
.sn-cat-list .list-group-item:hover {
    background: rgba(29, 78, 216, 0.04);
    color: var(--sn-primary);
    padding-left: 1.3rem;
}
.sn-cat-list .list-group-item:hover::before {
    height: 60%;
}

/* ---------- Glassmorphism Card ---------- */
.sn-glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

/* ---------- Recap Table Modern ---------- */
.sn-recap-card {
    border-radius: var(--sn-radius);
    overflow: hidden;
    border: 1px solid var(--sn-border);
}
.sn-recap-card .table {
    margin-bottom: 0;
}
.sn-recap-card .table thead {
    background: var(--sn-gradient-primary);
}
.sn-recap-card .table thead th {
    color: #fff;
    border: none;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.9rem 1rem;
}
.sn-recap-card .table tbody tr {
    transition: background 0.2s ease;
}
.sn-recap-card .table tbody tr:hover {
    background: rgba(29, 78, 216, 0.04);
}
.sn-recap-card .table tbody td {
    padding: 0.85rem 1rem;
    vertical-align: middle;
}
.sn-badge-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 28px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0 10px;
}

/* ---------- Page Banner ---------- */
.sn-page-banner {
    background: var(--sn-gradient-primary);
    background-size: cover;
    position: relative;
    padding: 3rem 0 2rem;
    overflow: hidden;
}
.sn-page-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.8) 0%, rgba(29,78,216,0.7) 100%);
}
.sn-page-banner .container {
    position: relative;
    z-index: 2;
}

/* ---------- Back to Top ---------- */
.sn-back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--sn-gradient-primary);
    color: #fff;
    border: none;
    box-shadow: var(--sn-shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--sn-transition);
    z-index: 1050;
}
.sn-back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.sn-back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(29, 78, 216, 0.35);
}

/* ---------- Preloader ---------- */
.sn-preloader {
    position: fixed;
    inset: 0;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.sn-preloader.hidden {
    opacity: 0;
    visibility: hidden;
}
.sn-preloader-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--sn-border);
    border-top-color: var(--sn-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- Lightbox ---------- */
.sn-lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: zoom-out;
}
.sn-lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}
.sn-lightbox-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 0 60px rgba(0,0,0,0.5);
    transition: transform 0.3s ease;
}
.sn-lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    font-size: 1.3rem;
    cursor: pointer;
    transition: background 0.2s;
}
.sn-lightbox-close:hover {
    background: rgba(255,255,255,0.3);
}

/* ---------- Share Button ---------- */
.sn-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 50px;
    border: 1px solid var(--sn-border);
    background: var(--sn-surface);
    color: var(--sn-text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--sn-transition);
}
.sn-share-btn:hover {
    border-color: var(--sn-primary);
    color: var(--sn-primary);
    box-shadow: var(--sn-shadow-sm);
}
.sn-share-btn.copied {
    border-color: var(--sn-success);
    color: var(--sn-success);
    background: rgba(16,185,129,0.06);
}

/* ---------- Skeleton Loading ---------- */
.sn-skeleton {
    background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

/* ---------- Footer ---------- */
.sn-footer {
    background: var(--sn-gradient-dark);
    color: #94a3b8;
}
.sn-footer a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}
.sn-footer a:hover {
    color: #fff;
}
.sn-footer-divider {
    border-top: 1px solid rgba(148,163,184,0.15);
}

/* ---------- Navbar Enhancement ---------- */
.sn-navbar .nav-link {
    position: relative;
    font-weight: 500;
    transition: color 0.3s ease;
}
.sn-navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--sn-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}
.sn-navbar .nav-link:hover::after,
.sn-navbar .nav-link.active::after {
    width: 60%;
}
.sn-navbar .nav-link.active {
    color: var(--sn-primary) !important;
}

/* ---------- Search Modal Enhancement ---------- */
.sn-search-modal .modal-content {
    border-radius: var(--sn-radius-lg);
    border: none;
    box-shadow: var(--sn-shadow-xl);
}

/* ---------- Stagger Animation Delays ---------- */
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.1s; }
.stagger-3 { transition-delay: 0.15s; }
.stagger-4 { transition-delay: 0.2s; }
.stagger-5 { transition-delay: 0.25s; }
.stagger-6 { transition-delay: 0.3s; }
.stagger-7 { transition-delay: 0.35s; }
.stagger-8 { transition-delay: 0.4s; }

/* ---------- Badge Colors ---------- */
.sn-badge-gradient {
    background: var(--sn-gradient-primary);
    color: #fff;
    border: none;
}

/* ---------- Filter Card ---------- */
.sn-filter-card {
    background: linear-gradient(135deg, rgba(29,78,216,0.03) 0%, rgba(124,58,237,0.03) 100%);
    border: 1px solid rgba(29,78,216,0.08);
    border-radius: var(--sn-radius-lg);
}

/* ---------- Detail Tabs ---------- */
.sn-detail-tabs .nav-link {
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--sn-text-muted);
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    transition: var(--sn-transition);
}
.sn-detail-tabs .nav-link:hover {
    color: var(--sn-primary);
    border-bottom-color: rgba(29,78,216,0.3);
}
.sn-detail-tabs .nav-link.active {
    color: var(--sn-primary);
    border-bottom-color: var(--sn-primary);
    background: rgba(29,78,216,0.04);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .sn-hero {
        min-height: 300px;
    }
    .sn-hero img {
        height: 300px;
    }
    .sn-hero-content h1 {
        font-size: 1.6rem;
    }
    .sn-stats-row {
        margin-top: -30px;
    }
    .sn-stat-card {
        padding: 1rem;
    }
    .sn-stat-number {
        font-size: 1.5rem;
    }
    .sn-back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 0.95rem;
    }
}

@media (max-width: 576px) {
    .sn-hero-content h1 {
        font-size: 1.3rem;
    }
    .sn-hero-content p {
        font-size: 0.9rem;
    }
    .sn-page-banner {
        padding: 2rem 0 1.5rem;
    }
}