/* ============================================
   iOS 26 LIQUID GLASS DESIGN SYSTEM
   Informatika UPGRIS - Modern Glassmorphism
   ============================================ */

/* ── CSS Variables ── */
:root {
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-strong: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.9);
    --glass-border-subtle: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    --glass-shadow-hover: 0 10px 32px rgba(0, 0, 0, 0.08);
    --glass-blur: blur(24px) saturate(140%);
    --glass-blur-strong: blur(32px) saturate(160%);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --accent-blue: #616161;
    --accent-indigo: #c4c4c4;
    --accent-violet: #969696;
    /* Extremely subtle, almost imperceptible mesh for natural feel */
    --mesh-1: radial-gradient(ellipse at 10% 40%, rgba(226, 232, 240, 0.4) 0%, transparent 60%);
    --mesh-2: radial-gradient(ellipse at 85% 15%, rgba(219, 234, 254, 0.3) 0%, transparent 60%);
    --mesh-3: radial-gradient(ellipse at 50% 85%, rgba(241, 245, 249, 0.5) 0%, transparent 60%);
}

/* ── Animated Mesh Background ── */
.mesh-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        var(--mesh-1),
        var(--mesh-2),
        var(--mesh-3),
        linear-gradient(135deg, #f8fafc 0%, #f1f5f9 30%, #f8fafc 60%, #e2e8f0 100%);
    animation: meshFloat 20s ease-in-out infinite;
}

@keyframes meshFloat {

    0%,
    100% {
        background-position: 0% 0%, 100% 0%, 50% 100%;
    }

    33% {
        background-position: 30% 20%, 70% 40%, 20% 80%;
    }

    66% {
        background-position: 10% 40%, 90% 10%, 60% 60%;
    }
}

/* ── Glass Card Base ── */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    pointer-events: none;
}

.glass-card:hover {
    box-shadow: var(--glass-shadow-hover);
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.6);
}

/* ── Glass Card Strong ── */
.glass-card-strong {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    position: relative;
}

.glass-card-strong::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9), transparent);
    pointer-events: none;
}

/* ── Hero Section ── */
.hero-glass {
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 30% 0%, rgba(59, 130, 246, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 100%, rgba(139, 92, 246, 0.08) 0%, transparent 60%),
        linear-gradient(135deg, #f8faff 0%, #eef2ff 100%);
}

.hero-glass::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: heroOrb1 15s ease-in-out infinite;
}

.hero-glass::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: heroOrb2 18s ease-in-out infinite;
}

@keyframes heroOrb1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(-40px, 30px) scale(1.1);
    }
}

@keyframes heroOrb2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(30px, -20px) scale(1.15);
    }
}

.hero-glass .hero-content {
    position: relative;
    z-index: 2;
}

/* ── Section Glass Backgrounds ── */
.section-glass {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.section-glass-alt {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(139, 92, 246, 0.04) 0%, transparent 50%),
        linear-gradient(180deg, #f8faff 0%, #ffffff 50%, #f8faff 100%);
}

/* ── Stats Section ── */
.stats-glass {
    position: relative;
    padding: 60px 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #6366f1 100%);
    overflow: hidden;
}

.stats-glass::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.stat-glass-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-glass-item:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.stat-glass-item .stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 6px;
}

.stat-glass-item .stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

/* ── Feature Cards ── */
.feature-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.feature-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
}

.feature-glass:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-glass .icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(99, 102, 241, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    color: var(--accent-blue);
    transition: all 0.3s ease;
}

.feature-glass:hover .icon-wrap {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
    color: white;
    transform: scale(1.1);
}

/* ── Testimonial Glass ── */
.testimonial-glass {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.testimonial-glass:hover {
    transform: translateY(-4px);
    box-shadow: var(--glass-shadow-hover);
}

.testimonial-glass .quote-icon {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 3rem;
    color: rgba(59, 130, 246, 0.1);
}

/* ── Concentration Cards ── */
.concentration-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.concentration-glass::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--accent-blue), var(--accent-indigo));
    border-radius: 4px;
    transition: height 0.4s ease;
}

.concentration-glass:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.3);
}

.concentration-glass:hover::after {
    height: 100%;
}

/* ── Blog Cards ── */
.blog-card-glass {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.blog-card-glass:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(31, 38, 135, 0.15);
}

.blog-card-glass .blog-card-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.blog-card-glass .blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.blog-card-glass:hover .blog-card-image img {
    transform: scale(1.08);
}

.blog-card-glass .blog-card-content {
    padding: 24px;
}

.blog-card-glass .blog-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 8px;
    line-height: 1.4;
}

.blog-card-glass .blog-card-meta {
    font-size: 0.8rem;
    color: #94a3b8;
    margin-bottom: 12px;
}

.blog-card-glass .blog-card-excerpt {
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 16px;
}

.blog-card-glass .blog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

/* ── Glass Buttons ── */
.btn-glass {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 14px;
    color: var(--accent-blue);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-glass:hover {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

.btn-glass-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
    border: none;
    border-radius: 16px;
    color: white;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
    cursor: pointer;
}

.btn-glass-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(59, 130, 246, 0.4);
}

/* ── Section Header ── */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header .section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 16px;
}

.section-header .section-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-blue);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.7);
    }
}

.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 12px;
    line-height: 1.2;
}

.section-header p {
    font-size: 1.05rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ── Visi Misi Glass ── */
.visi-misi-glass {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--glass-shadow);
}

/* ── CMS Page Glass ── */
.content-page-glass,
.blog-detail-glass {
    max-width: 900px;
    margin: 100px auto 40px;
    padding: 40px;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    position: relative;
}

.content-page-glass::before,
.blog-detail-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
}

.breadcrumb-glass {
    max-width: 900px;
    margin: 90px auto 0;
    padding: 12px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: #64748b;
}

.breadcrumb-glass a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.breadcrumb-glass a:hover {
    color: var(--accent-indigo);
}

.breadcrumb-glass .separator {
    margin: 0 8px;
    color: #94a3b8;
}

/* ── Blog List Page Glass ── */
.blog-section-glass {
    max-width: 1200px;
    margin: 100px auto 40px;
    padding: 0 20px;
}

.blog-grid-glass {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

/* ── Article Styling ── */
.article-glass-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.article-glass-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ── Tags Glass ── */
.tag-glass {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-right: 8px;
    margin-bottom: 8px;
    transition: all 0.2s ease;
}

.tag-glass:hover {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* ── Footer Glass ── */
.footer-glass {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
}

.footer-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
}

.footer-glass::after {
    content: '';
    position: absolute;
    top: -200px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero-glass {
        padding: 100px 0 60px;
    }

    .section-glass,
    .section-glass-alt {
        padding: 60px 0;
    }

    .content-page-glass,
    .blog-detail-glass {
        margin: 80px 12px 24px;
        padding: 24px;
        border-radius: var(--radius-md);
    }

    .breadcrumb-glass {
        margin: 76px 12px 0;
    }

    .blog-section-glass {
        margin-top: 80px;
    }

    .blog-grid-glass {
        grid-template-columns: 1fr;
    }
}