/* =========================================
   OPTIMASI PERFORMA MENDASAR (SEO CORE WEB VITALS)
   ========================================= */
/* Memberitahu browser untuk menunda rendering pada gambar yang di luar layar */
img {
    content-visibility: auto;
    max-width: 100%;
    height: auto;
    display: block;
    font-style: italic; /* A11y: Jika gambar gagal dimuat, alt text jadi miring agar mudah dibaca */
    background-repeat: no-repeat;
    background-size: cover;
    shape-margin: 1rem;
}

/* Mematikan efek berat (blur & bayangan melayang) di perangkat Mobile */
@media (max-width: 768px) {
    .glass-panel {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: rgba(11, 25, 44, 0.95) !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2) !important;
    }

    .hero-shapes .shape {
        animation: none !important;
        display: none !important;
        /* Disembunyikan total di HP karena bikin lemot rendering */
    }

    .glass-contact {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: var(--navy) !important;
    }
}

/* =========================================
   MODERNIZED SMK MUTIPUGA CSS (2026)
   ========================================= */

:root {
    /* Core Palette */
    --navy: #0B192C;
    --navy-light: #1A365D;
    --navy-dark: #050b14;
    --yellow: #FACC15;
    --yellow-hover: #EAB308;
    --light: #F8FAFC;
    --dark: #0f172a;

    /* Brand & Semantic Colors */
    --primary: #3b82f6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --purple: #8b5cf6;

    /* Alpha Colors for Soft Backgrounds */
    --primary-soft: rgba(59, 130, 246, 0.1);
    --success-soft: rgba(16, 185, 129, 0.1);
    --warning-soft: rgba(245, 158, 11, 0.1);
    --danger-soft: rgba(239, 68, 68, 0.1);
    --info-soft: rgba(6, 182, 212, 0.1);
    --purple-soft: rgba(139, 92, 246, 0.1);

    /* UI Elements */
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 40px rgba(11, 25, 44, 0.15);
    --shadow-glow: 0 25px 50px rgba(11, 25, 44, 0.15), 0 0 0 1px rgba(59, 130, 246, 0.15);
    --transition-base: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- BASE & TYPOGRAPHY --- */
body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--light);
    color: var(--navy);
    line-height: 1.7;
    overflow-x: hidden;
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility; /* SEO Performa: Membuat teks lebih tajam */
    -webkit-font-smoothing: antialiased;
}

/* PENYESUAIAN SEO (Aksesibilitas/A11y): Fokus Visual untuk Keyboard */
/* Google mewajibkan elemen yang diklik/di-tab memiliki outline yang jelas */
*:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
    transition: outline-offset 0.2s ease;
}

.fw-extrabold { font-weight: 800; }
.tracking-widest { letter-spacing: 0.15em; }
.tracking-wide { letter-spacing: 0.05em; }
.max-w-800 { max-width: 800px; margin-inline: auto; }

.py-6 {
    padding-top: clamp(2rem, 5vw, 4rem);
    padding-bottom: clamp(3rem, 8vw, 5rem);
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--light); }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* Text & BG Colors overrides */
.text-navy { color: var(--navy) !important; }
.text-yellow { color: var(--yellow) !important; }
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-purple { color: var(--purple) !important; }

.bg-navy { background-color: var(--navy) !important; }
.bg-navy-dark { background-color: var(--navy-dark) !important; }
.bg-yellow { background-color: var(--yellow) !important; }
.bg-light { background-color: var(--light) !important; }

.bg-primary-soft { background-color: var(--primary-soft); }
.bg-success-soft { background-color: var(--success-soft); }
.bg-warning-soft { background-color: var(--warning-soft); }
.bg-danger-soft { background-color: var(--danger-soft); }
.bg-info-soft { background-color: var(--info-soft); }
.bg-purple-soft { background-color: var(--purple-soft); }

/* --- UI COMPONENTS --- */
.transition-all { transition: var(--transition-base); }
.rounded-5 { border-radius: 2rem !important; }

.hover-lift {
    will-change: transform;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    cursor: pointer;
}
.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.card-glow-hover {
    transition: var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.03);
}
.card-glow-hover:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

/* --- BUTTONS & BADGES --- */
.btn-action {
    background: var(--yellow);
    color: var(--navy-dark) !important;
    border: none;
    transition: var(--transition-base);
}
.btn-action:hover {
    background: var(--yellow-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 25px rgba(250, 204, 21, 0.4);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.1);
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}
.btn-glass:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.bg-promo {
    background: linear-gradient(45deg, var(--yellow), #FDE047);
    color: var(--navy-dark);
}
.bg-promo-soft {
    background-color: rgba(250, 204, 21, 0.15);
}

/* --- HERO SECTION --- */
.hero {
    position: relative;
    background: radial-gradient(circle at top right, var(--navy-light), var(--navy-dark));
    min-height: 100vh;
    overflow: hidden;
    padding-top: 130px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 4.5rem);
    letter-spacing: -0.03em;
}

.text-gradient-yellow {
    background: linear-gradient(to right, #FACC15, #FDE047);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: url('https://www.transparenttextures.com/patterns/cubes.png'), linear-gradient(to bottom, transparent, rgba(11, 25, 44, 0.8));
    opacity: 0.5;
    z-index: 1;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Animated Shapes */
.hero-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    animation: floatShape 10s infinite ease-in-out alternate;
}
.hero-shapes .shape-1 { width: 40vw; height: 40vw; background: rgba(59, 130, 246, 0.3); top: -10%; right: -10%; }
.hero-shapes .shape-2 { width: 30vw; height: 30vw; background: rgba(250, 204, 21, 0.2); bottom: -10%; left: -5%; animation-delay: -5s; }

/* --- FEATURE CARDS --- */
.feature-card {
    transition: var(--transition-base);
    border-top: 4px solid transparent;
}
.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-top-color: var(--primary);
}
.feature-card .card-img-wrapper {
    overflow: hidden;
    height: 220px;
}
.feature-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.feature-card:hover img { transform: scale(1.08); }

.feature-icon-wrapper {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: white;
}

/* --- CAREER PROSPEcripts --- */
.career-card {
    background-color: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
    transition: var(--transition-base);
}
.career-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md) !important;
    border-color: transparent !important;
}

.career-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.career-card:hover .career-icon-wrapper { transform: scale(1.1) rotate(5deg); }

/* --- FASILITAS CARDS --- */
.facility-card {
    transition: var(--transition-base);
    cursor: default;
    border: 1px solid transparent;
}
.facility-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-md);
}
.facility-card .icon-box { transition: var(--transition-base); }
.facility-card:hover .icon-box {
    background-color: var(--primary);
    color: white !important;
    transform: scale(1.1);
}

/* --- EKSKUL CARDS --- */
.ekskul-card { aspect-ratio: 4/5; cursor: pointer; }
.ekskul-card img { height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.ekskul-card:hover img { transform: scale(1.1); }

.ekskul-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(11, 25, 44, 0.9) 0%, rgba(11, 25, 44, 0.1) 60%, transparent);
    opacity: 0.9;
    transition: var(--transition-base);
}
.ekskul-card:hover .ekskul-overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(250, 204, 21, 0.95) 0%, rgba(11, 25, 44, 0.5) 70%, transparent);
}
.ekskul-card:hover h5 {
    color: var(--navy-dark) !important;
    transform: translateY(-5px);
    transition: var(--transition-base);
}

/* --- PORTFOLIO GALLERY --- */
.modern-port-card {
    border-radius: 24px !important;
    transition: var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
}
.modern-port-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(11, 25, 44, 0.15) !important;
}
.modern-port-img {
    transition: transform 0.6s ease;
    object-fit: cover;
    min-height: 320px;
}
.modern-port-card:hover .modern-port-img { transform: scale(1.05); }

.modern-port-overlay {
    background: linear-gradient(to top, rgba(11, 25, 44, 0.95) 0%, rgba(11, 25, 44, 0.5) 50%, transparent 100%);
}

/* --- LIST ITEM INTERACTION --- */
.list-item-modern {
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}
.list-item-modern:hover {
    transform: translateX(8px);
    background-color: #fff !important;
    border-left-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* --- REGISTRATION INFO --- */
.glass-contact {
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.05), 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* --- MAPS --- */
#location .card { transition: transform 0.4s ease; }
#location .card:hover { transform: translateY(-5px); }
iframe { filter: grayscale(10%) contrast(100%); transition: all 0.5s ease; }
iframe:hover { filter: grayscale(0%) contrast(105%); }

/* --- ACCORDION FAQ --- */
.faq-accordion .accordion-item {
    border: none;
    border-radius: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    overflow: hidden;
    transition: var(--transition-base);
}
.faq-accordion .accordion-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}
.faq-accordion .accordion-button {
    border-radius: 1rem !important;
    font-weight: 600;
    color: var(--navy);
    padding: 1.25rem 1.5rem;
    box-shadow: none !important;
    background-color: #fff;
}
.faq-accordion .accordion-button:not(.collapsed) {
    background-color: var(--light);
    color: var(--success);
}
.faq-accordion .accordion-body {
    padding: 0 1.5rem 1.5rem 1.5rem;
    background-color: var(--light);
    color: #6c757d;
    font-size: 0.95rem;
}

/* --- FOOTER --- */
.footer-mutipuga { background-color: var(--navy); color: #a0aec0; font-size: 0.9rem; padding-bottom: 0; margin-bottom: 0; }
.footer-mutipuga h5 { color: #fff; font-weight: 700; }
.footer-link { color: #a0aec0; text-decoration: none; transition: var(--transition-base); display: inline-block; }
.footer-link:hover { color: var(--success); transform: translateX(5px); }

/* Instagram Button */
.btn-instagram-premium {
    display: inline-flex; align-items: center;
    background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff; padding: 0.6rem 1.25rem; border-radius: 50px; text-decoration: none;
    font-size: 0.9rem; font-weight: 600; transition: var(--transition-base);
}
.btn-instagram-premium:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-color: transparent; transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(220, 39, 67, 0.3); color: #fff;
}

/* --- ANIMATIONS --- */
@keyframes pulseWarning { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
.pulse-once { animation: pulseWarning 2.5s infinite ease-in-out; }
@keyframes floatShape { 0% { transform: translate(0, 0) scale(1); } 100% { transform: translate(30px, 50px) scale(1.1); } }
@keyframes bounceSoft { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
.hover-lift:hover .icon-bounce { animation: bounceSoft 1s ease-in-out infinite; }

/* --- LIGHTBOX (IMAGE ZOOM) --- */
.lightbox-overlay {
    position: fixed; inset: 0; background: rgba(5, 11, 20, 0.85); backdrop-filter: blur(8px);
    z-index: 9999; opacity: 0; visibility: hidden; transition: var(--transition-base);
}
.lightbox-overlay.active { opacity: 1; visibility: visible; }
.lightbox-content { transform: scale(0.9); transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); max-width: 90vw; }
.lightbox-overlay.active .lightbox-content { transform: scale(1); }
.zoomable-img { transition: transform 0.3s ease; cursor: zoom-in; }
.zoomable-img:hover { transform: scale(1.05); }

#lightbox-close { transition: all 0.2s ease; }
#lightbox-close:hover { background-color: var(--danger) !important; color: white !important; transform: scale(1.1) rotate(90deg); }

/* --- UTILITY CLASSES TAMBAHAN --- */
.flex-center { display: flex; align-items: center; justify-content: center; }
.icon-box-sm { width: 50px; height: 50px; }
.cert-wrapper { width: 140px; }
.cert-thumbnail { object-fit: contain; background-color: #ffffff; padding: 5px; min-height: 120px; }
.card-img-wrapper { height: clamp(180px, 25vw, 250px); }

/* --- CARD CONSISTENCY --- */
.card, .feature-card, .career-card, .facility-card { height: 100%; display: flex; flex-direction: column; }
.card-body { flex: 1; }

/* =========================================
   GLOBAL PAGE LOADER
   ========================================= */
.page-loader {
    position: fixed; inset: 0; background-color: var(--light); z-index: 99999;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s ease;
}
.page-loader.hidden { opacity: 0; visibility: hidden; }

.spinner-modern {
    width: 60px; height: 60px; border: 5px solid var(--primary-soft);
    border-top-color: var(--primary); border-radius: 50%;
    animation: spinModern 1s cubic-bezier(0.55, 0.15, 0.45, 0.85) infinite;
    margin-bottom: 20px;
}
@keyframes spinModern { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.custom-navbar { transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); padding: 1.5rem 0; background: transparent; z-index: 9999 !important; }
ppdb-navbar { display: block; position: relative; z-index: 9999; }

/* --- BRAND LOGO --- */
.navbar-brand .logo-img {
    height: 48px; width: 48px; object-fit: contain; padding: 3px;
    border-radius: 50%; border: 2px solid var(--yellow, #FACC15); background-color: #fff;
    transition: transform 0.3s ease;
}
.navbar-brand:hover .logo-img { transform: scale(1.05); }

/* =========================================
   RESPONSIVE FIXES
   ========================================= */
@media (max-width: 576px) {
    .badge.bg-promo { white-space: normal !important; font-size: 0.85rem !important; padding-left: 1.2rem !important; padding-right: 1.2rem !important; }
    .btn { width: 100%; font-size: 0.95rem !important; padding: 0.8rem 1rem !important; border-radius: 50px !important; display: flex !important; align-items: center !important; justify-content: center !important; }
    .hero { min-height: auto; padding: 120px 1rem 3rem 1rem; }
}

@media (max-width: 991px) {
    .navbar-collapse {
        background-color: var(--navy-dark); border-radius: 16px; padding: 1.5rem; margin-top: 1rem;
        border: 1px solid rgba(255, 255, 255, 0.1); box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    }
    .navbar-nav { align-items: flex-start; width: 100%; }
    .navbar-nav .nav-item { width: 100%; margin: 0; }
    .navbar-nav .nav-link { padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.05); font-weight: 600; }
    .navbar-nav .nav-item:last-child { margin-top: 1rem; border-bottom: none; }
    .navbar-nav .btn { width: 100%; margin-top: 0.5rem; }
    .feature-card .card-img-wrapper { height: 200px; }
}

@media (max-width: 767px) {
    body { font-size: 15px; }
    .btn { margin-bottom: 0.75rem !important; padding: 0.8rem 1.5rem !important; }
    .glass-panel { padding: 2rem 1.25rem !important; }
    .hero-shapes .shape { filter: blur(50px); opacity: 0.5; }
    .hero-shapes .shape-1 { width: 60vw; height: 60vw; }
    .hero-shapes .shape-2 { width: 50vw; height: 50vw; }
    .footer-mutipuga { text-align: center; }
    .footer-mutipuga .text-md-end { text-align: center !important; margin-top: 1.5rem; }
    .ekskul-card { aspect-ratio: 16/9; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.2rem; line-height: 1.2; }
    .py-6 { padding-top: 2rem; padding-bottom: 2rem; }
    .feature-card .card-img-wrapper { height: 180px; }
    .feature-card .card-body { padding: 1.25rem !important; }
    .faq-accordion .accordion-button { padding: 1rem; font-size: 0.95rem; }
    .faq-accordion .accordion-body { padding: 0 1rem 1rem 1rem; font-size: 0.9rem; }
    .btn-instagram-premium { font-size: 0.85rem; padding: 0.5rem 1rem; width: 100%; justify-content: center; }
    .lightbox-content { max-width: 95vw; }
}

html, body { max-width: 100%; overflow-x: hidden; }

/* =========================================
   PENYESUAIAN SEO (AKSESIBILITAS & PERFORMA TINGKAT TINGGI)
   Peringatan: Jangan dihapus! Mengunci skor Google Lighthouse agar tetap hijau.
   ========================================= */

/* 1. Aksesibilitas: Menghormati pengaturan pengguna yang tidak suka animasi (Mencegah Motion Sickness) */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 2. SEO Rendering: Membantu browser menyembunyikan elemen secara semantik bagi Screen Reader */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}