:root {
            --primary-green: #009640; /* Warna dari Logo ITN */
            --primary-blue: #00549F;  /* Warna dari Logo ITN */
            --dark-bg: #050505;
            --glass: rgba(255, 255, 255, 0.05);
            --neon-green: #0f0;
            --neon-blue: #00f3ff;
            --text-main: #ffffff;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Rajdhani', sans-serif;
        }

/* FIX: Warna background ditaruh di HTML sebagai fallback */
html {
    background-color: var(--dark-bg);
}

/* FIX: Body transparan agar elemen z-index -1 terlihat */
body {
    background-color: transparent; 
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* --- GLOBAL BACKGROUND (NON-HOME) --- */
#global-bg {
    position: fixed; /* Gunakan FIXED agar tidak ikut scroll dan memenuhi layar */
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -99; /* Paling belakang */
    background-color: var(--dark-bg); /* Warna hitam utama disini */
    overflow: hidden;
}

/* Layer 1: Ellipse Glow */
.bg-glow {
    position: absolute;
    top: -200px; /* Geser ke atas agar pendaran terlihat alami */
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    /* FIX: Path menggunakan ../ karena style.css ada di folder css */
    background-image: url('../img/ellipse-glow.svg'); 
    background-repeat: no-repeat;
    background-position: center top;
    background-size: cover; /* Pastikan cover area */
    opacity: 0.6;
    z-index: 1;
    pointer-events: none;
}

/* Layer 2: Particles */
#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

#particles-js canvas {
    display: block; /* Menghilangkan gap vertikal pada canvas */
}

/* Pastikan konten utama memiliki z-index lebih tinggi */
.container, footer, .content-container, main, section {
    position: relative;
    z-index: 10;
}

        /* --- PRELOADER --- */
        #preloader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #000;
            z-index: 9999;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            transition: opacity 0.5s ease;
        }

        .loader-ring {
            width: 100px;
            height: 100px;
            border: 5px solid transparent;
            border-top: 5px solid var(--primary-green);
            border-right: 5px solid var(--primary-blue);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-bottom: 20px;
            box-shadow: 0 0 20px rgba(0, 150, 64, 0.5);
        }

        .loader-text {
            font-family: 'Orbitron', sans-serif;
            letter-spacing: 3px;
            animation: blink 1s infinite;
        }

        /* --- NAVIGATION --- */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 15px 89px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(9px);
            z-index: 1000;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .logo img {
            height: 50px; /* Sesuaikan tinggi logo */
            filter: drop-shadow(0 0 5px rgba(255,255,255,0.2));
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }

        nav ul li {
            position: relative;
        }

        nav ul li a {
            text-decoration: none;
            color: #fff;
            text-transform: uppercase;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 1px;
            transition: color 0.3s;
            padding: 10px 0;
        }

        nav ul li a:hover {
            color: var(--neon-green);
            text-shadow: 0 0 10px var(--neon-green);
        }
		
		nav ul li:last-child .dropdown-content {
		left: auto; /* Membatalkan rata kiri default */
		right: 0;   /* Membuat dropdown rata kanan */
		}

		/* --- DROPDOWN --- */
		.dropdown-content {
			display: none;
			position: absolute;
			top: 100%;
			left: 0;
			background-color: rgba(5, 5, 5, 0.95); /* Lebih gelap agar kontras */
			min-width: 200px; /* Lebar minimum */
			width: max-content; /* Mengikuti panjang teks terpanjang */
			box-shadow: 0px 10px 20px rgba(0, 150, 64, 0.3);
			z-index: 1;
			border: 1px solid var(--primary-green);
			border-top: 2px solid var(--neon-cyan); /* Aksen garis atas */
			padding: 10px 0;
			backdrop-filter: blur(10px);
		}

		.dropdown-content a {
			color: white;
			padding: 12px 25px; /* Padding lebih luas agar tidak sesak */
			text-decoration: none;
			display: block;
			font-size: 0.85rem;
			text-align: left;
			white-space: nowrap; /* Mencegah teks terpotong/pindah baris */
			transition: all 0.3s ease;
			border-bottom: 1px solid rgba(255, 255, 255, 0.05);
		}

		.dropdown-content a:hover {
			background: linear-gradient(90deg, var(--primary-green), transparent);
			padding-left: 35px; /* Efek geser saat hover */
			color: #fff;
		}

		/* Memastikan dropdown muncul saat hover */
		nav ul li:hover .dropdown-content {
			display: block;
			animation: fadeIn 0.4s ease;
		}

        /* --- HOME SECTION (FULLSCREEN) --- */
        .page-section {
            position: relative;
            top: 0;
            left: 0;
            width: 100%;
            min-height: 100vh;
            padding-top: 80px; /* Space for header */
            opacity: 0;
            visibility: hidden;
            transition: all 0.8s ease-in-out;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .page-section.active {
            opacity: 1;
            visibility: visible;
            z-index: 10;
        }

        #home {
            overflow: hidden; /* No scroll on home */
        }

        /* Video Background Styling */
        .video-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -2;
            opacity: 1;
        }

        /* HUD Overlay Overlay */
        .hud-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.6)),
                repeating-linear-gradient(0deg, transparent 0px, transparent 1px, rgba(0, 255, 0, 0.03) 2px);
            z-index: -1;
            pointer-events: none;
        }

        .hero-content {
            text-align: center;
            z-index: 2;
            padding: 0 20px;
			margin-top: -55px;;
        }

/* --- HERO ANIMATION SETTINGS --- */

/* Judul Utama: Efek Zoom Out + Blur Fade In */
.hero-title {
    font-family: 'Orbitron', sans-serif; 
    font-size: 3.5rem !important; 
    font-weight: 900;
    text-transform: uppercase;
    background: linear-gradient(90deg, #fff, var(--primary-green), var(--primary-blue));
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px; 
    text-shadow: 0 0 20px rgba(0, 150, 64, 0.5);
    
    /* Status Awal */
    opacity: 0;
    filter: blur(10px);
    transform: scale(2.5);
    transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Subtitle: Efek Letter Spacing + Slide Up */
.hero-subtitle {
    font-size: 1.5rem; 
    color: #ddd; 
    margin-bottom: 50px;
    letter-spacing: 15px; /* Mulai dengan renggang sekali */
    
    /* Status Awal */
    opacity: 0;
    transform: translateY(20px);
    transition: all 1.5s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: 1.2s; /* Muncul setelah H1 mulai */
}

/* Trigger saat class .visible aktif (Dijalankan oleh script di index.php) */
.visible .hero-title {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
}

.visible .hero-subtitle {
    opacity: 1;
    letter-spacing: 5px; /* Kembali ke normal */
    transform: translateY(0);
}

/* Stats Container: Muncul paling akhir */
.stats-container {
    display: flex; 
    justify-content: center; 
    gap: 40px; 
    margin-top: 50px; 
    flex-wrap: wrap;
    opacity: 0;
    transition: opacity 1s ease;
    transition-delay: 2.5s;
}

.visible .stats-container {
    opacity: 1;
}

        .stat-box {
            background: rgba(0, 0, 0, 0.6);
            border: 1px solid var(--primary-blue);
            padding: 20px 30px;
            border-radius: 10px;
            text-align: center;
            min-width: 180px;
            backdrop-filter: blur(5px);
            box-shadow: 0 0 15px rgba(0, 84, 159, 0.3);
            position: relative;
            overflow: hidden;
        }

        /* Dekorasi sudut futuristik */
        .stat-box::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 10px; height: 10px;
            border-top: 2px solid var(--neon-green);
            border-left: 2px solid var(--neon-green);
        }
        .stat-box::after {
            content: '';
            position: absolute;
            bottom: 0; right: 0;
            width: 10px; height: 10px;
            border-bottom: 2px solid var(--neon-green);
            border-right: 2px solid var(--neon-green);
        }

        .stat-number {
            font-family: 'Orbitron', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--neon-blue);
            display: block;
        }

        .stat-label {
            font-size: 0.9rem;
            text-transform: uppercase;
            color: #ccc;
            letter-spacing: 1px;
            margin-top: 5px;
        }

		/* --- FOOTER --- */
		footer {
			flex-shrink: 0; /* Jangan biarkan footer menciut */
			width: 100%;
			background: rgba(5, 5, 5, 0.2); /* Sedikit lebih gelap agar terbaca di atas video */
			border-top: 1px solid var(--primary-green);
			padding: 30px 50px;
			display: flex;
			justify-content: space-between;
			align-items: center;
			position: relative; /* Berubah dari absolute ke relative */
			z-index: 100;       /* Pastikan di atas video */
			margin-top: 0;
		}

		/* Pastikan footer di index.html tetap absolute jika Anda ingin tetap di bawah layar video */
		#home footer {
			position: absolute;
			bottom: 0;
			margin-top: 0;
		}

        .footer-info span {
            margin-right: 20px;
            color: #aaa;
        }
        
        .footer-info i {
            color: var(--primary-green);
            margin-right: 0px;
        }

        .social-icons a {
            color: #fff;
            margin-left: 25px;
            font-size: 1.2rem;
            transition: color 0.3s;
        }

        .social-icons a:hover {
            color: var(--neon-blue);
            text-shadow: 0 0 10px var(--neon-blue);
        }

        /* --- FLOATING BUTTONS --- */
        .floating-actions {
            position: fixed;
            bottom: 125px; /* Di atas footer sedikit */
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 15px;
            z-index: 2000;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 1.5rem;
            text-decoration: none;
            box-shadow: 0 0 15px rgba(0,0,0,0.5);
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            color: var(--neon-blue);
            text-shadow: 0 0 10px var(--neon-blue);
			box-shadow: 0 0 20px var(--neon-blue);
        }

        .float-btn::after { /* Tooltip */
            content: attr(data-tooltip);
            position: absolute;
            right: 60px;
            background: rgba(0,0,0,0.8);
            padding: 5px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0;
            transition: opacity 0.3s;
            pointer-events: none;
        }

        .float-btn:hover::after {
            opacity: 1;
        }

        .btn-wa { background: #25D366; border: 2px solid #128C7E; }
        .btn-reg { background: var(--primary-blue); border: 2px solid var(--primary-blue); }

        /* --- OTHER SECTIONS (Placeholder styling) --- */
        .content-container {
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
            padding-top: 100px;
        }
        
        .content-container h2 {
            font-family: 'Orbitron';
            font-size: 3rem;
            color: var(--primary-green);
            margin-bottom: 20px;
        }
		
		/* --- CONTENT SECTION --- */
        .container { max-width: 1000px; margin: 80px auto; padding: 0 20px; }

		.about-header { 
			opacity: 0; 
			transform: translateY(30px); 
			transition: all 1s ease-out; /* Hapus 'forwards' di sini, gunakan transition biasa */
		}

		.about-header.visible { 
			opacity: 1; 
			transform: translateY(0); 
		}

        .about-header h1 {
            font-family: 'Orbitron'; font-size: 3rem; color: #fff;
            text-shadow: 0 0 15px var(--primary-green);
        }

        .grid-info { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 50px; }
        
        .info-card {
            background: rgba(255, 255, 255, 0.03);
            border-left: 4px solid var(--primary-blue);
            padding: 30px;
            border-radius: 0 15px 15px 0;
            transition: 0.3s;
        }
        .info-card:hover { background: rgba(255, 255, 255, 0.07); transform: scale(1.02); }
        .info-card h3 { font-family: 'Orbitron'; color: var(--neon-cyan); margin-bottom: 15px; }		

        /* Animations */
        @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
        @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
        @keyframes slideUp { from { opacity: 0; transform: translateY(50px); } to { opacity: 1; transform: translateY(0); } }
		@keyframes spin { to { transform: rotate(360deg); } }

        /* Responsive Fix */
/* --- RESPONSIVE MOBILE OPTIMIZATION --- */
/* Burger Icon Styling */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    z-index: 999999 !important;
}

.menu-toggle .bar {
    width: 28px;
    height: 3px;
    background-color: var(--neon-green);
    transition: all 0.3s ease;
    box-shadow: 0 0 8px var(--neon-green);
}
@media (max-width: 768px) {
	.menu-toggle { display: flex !important; }
    /* Header & Nav */
    header { 
        padding: 10px 20px; 
        flex-direction: row; /* Tetap sejajar jika memungkinkan */
        justify-content: space-between;
    }
    
    .logo img { height: 40px; }
    
header nav {
        position: fixed;
        top: 0;
        right: -100%; /* Sembunyi di kanan */
        width: 75%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.9);
        backdrop-filter: blur(20px);
        border-left: 2px solid var(--primary-green);
        transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        padding-top: 100px;
        z-index: 99999 !important;
        display: block; /* Overwrite display:none jika ada */
    }

    header nav.nav-active { right: 0; }

    header nav ul {
        flex-direction: column;
        align-items: flex-start;
        padding: 0px;
        gap: 0px !important;
		width: 100%;
    }

	header nav ul li {
        width: 100%;
        list-style: none;
        display: block;
    }	

    header nav ul li a {
        font-size: 1.2rem;
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
		padding: 15px 20px; /* Area klik menjadi tinggi dan lebar */
		box-sizing: border-box; /* Memastikan padding tidak merusak lebar 100% */
		text-decoration: none;
		transition: background 0.3s;
    }
	
	header nav ul li a:active {
    background: rgba(0, 243, 255, 0.1);
	}

    .dropdown-content {
        position: static;
        background: rgba(255, 255, 255, 0.05);
        display: none; /* Toggle via JS di mobile jika perlu, atau biarkan statis */
        box-shadow: none;
        border-left: 2px solid var(--neon-blue);
        margin-top: 10px;
		padding-left: 20px;
        width: 100%;
    }

    /* Burger Animation */
    .menu-toggle.is-active .bar:nth-child(2) { opacity: 0; }
    .menu-toggle.is-active .bar:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .menu-toggle.is-active .bar:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

    /* Hero Section */
    .hero-title { 
        font-size: 2.7rem !important; /* Perkecil judul agar tidak pecah */
        letter-spacing: 2px;
        line-height: 1.2;
		margin-top: 55px;
    }
    
    .hero-subtitle { 
        font-size: 1rem !important; 
        letter-spacing: 4px !important; 
        margin-bottom: 0px;
    }

    /* Stats Container (Mobile Grid) */
    .stats-container { 
        display: grid;
        grid-template-columns: 1fr; /* 1 Kolom di mobile */
        gap: 10px; 
        padding: 0 10px;
		margin-top: 25px;
		margin-bottom: 45px;
    }

    .stat-box {
        min-width: unset; /* Lepas min-width agar fleksibel */
        padding: 15px 10px;
    }

    .stat-number { font-size: 1.8rem; }
    .stat-label { font-size: 0.75rem; }

    /* Footer Mobile */
    #home footer {
        position: relative; /* Berubah jadi relative agar tidak menabrak stats saat layar sangat pendek */
        padding: 20px;
        flex-direction: column-reverse; /* Ikon sosial di atas, info di bawah */
        gap: 20px;
        background: rgba(0, 0, 0, 0.8);
    }
	
	footer {
        position: relative; /* Berubah jadi relative agar tidak menabrak stats saat layar sangat pendek */
        padding: 20px;
        flex-direction: column-reverse; /* Ikon sosial di atas, info di bawah */
        gap: 20px;
        background: rgba(0, 0, 0, 0.8);
    }

    .footer-info {
        display: flex;
        flex-direction: column;
        gap: 15px;
        width: 100%;
        align-items: center;
    }

    .footer-item { margin: 0; text-align: center; }
    .footer-link span { font-size: 0.85rem; }

    .social-icons {
        margin: 0;
        display: flex;
        justify-content: center;
        gap: 20px;
    }

    .social-icons a { margin: 0; font-size: 1.5rem; }

    /* Floating Buttons Mobile */
    .floating-actions {
        bottom: 125px;
        right: 15px;
		z-index: 500 !important;
    }
    
    .float-btn {
        width: 45px;
        height: 45px;
    }
}

/* Tambahan untuk layar sangat kecil (iPhone SE / Fold) */
@media (max-width: 380px) {
    .hero-title { font-size: 1.8rem !important; margin-top: 55px; }
    .stats-container { grid-template-columns: 1fr; } /* Jadi 1 kolom saja */
}