:root {
    --primary-blue: #3b82f6;
    --secondary-blue: #1e40af;
    --accent-silver: #e2e8f0;
    --bg-dark: #010409;
    --card-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --nav-height: 80px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; scroll-behavior: smooth; }

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* NAVBAR PREMIUM */
#navbar {
    height: var(--nav-height);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0; width: 100%; z-index: 1000;
    backdrop-filter: blur(20px);
    background: rgba(1, 4, 9, 0.8);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.logo { font-size: 1.8rem; font-weight: 800; letter-spacing: -1px; }
.logo span { color: var(--primary-blue); }
.nav-links { display: flex; list-style: none; gap: 2rem; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-main); font-weight: 500; font-size: 0.9rem; transition: 0.3s; }
.nav-links a:hover { color: var(--primary-blue); }

.btn-login {
    background: var(--primary-blue);
    padding: 10px 25px;
    border-radius: 12px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    text-decoration: none; color: white;
}

/* MOBILE NAVBAR FIX */
.mobile-toggle-btn { display: none; font-size: 1.5rem; cursor: pointer; color: white; }

@media (max-width: 768px) {
    .nav-links {
        display: none !important; /* PAKSA SEMBUNYI DI HP */
        flex-direction: column;
        position: fixed;
        top: var(--nav-height); left: 0; width: 100%;
        background: rgba(1, 4, 9, 0.98);
        padding: 2rem;
        border-bottom: 1px solid var(--glass-border);
        backdrop-filter: blur(20px);
        z-index: 999;
    }
    .nav-links.active { display: flex !important; }
    .mobile-toggle-btn { display: block !important; }
    .logo { font-size: 1.1rem; }
}

#hero {
    padding-top: 150px;
    padding-bottom: 100px;
    text-align: center;
    position: relative;
}

#hero h1, .section-title h2 { 
    font-size: clamp(1.8rem, 8vw, 3.5rem); 
    font-weight: 800; 
    margin-bottom: 1rem; 
    line-height: 1.1; 
    letter-spacing: -2px;
}
#hero h1 span { color: var(--primary-blue); }
#hero p { 
    font-size: clamp(0.85rem, 2vw, 1rem); 
    color: var(--text-muted); 
    max-width: 650px; 
    margin: 0 auto 2.5rem; 
    line-height: 1.8;
    letter-spacing: 0.3px;
    font-weight: 300;
}

@media (max-width: 768px) {
    #hero { padding-top: 100px; padding-bottom: 50px; }
    #hero h1, .section-title h2 { letter-spacing: -1px; }
    #hero p { font-size: 0.85rem; padding: 0 1rem; }
}

/* PILAR UTAMA CARDS */
.section-title { text-align: center; margin-bottom: 3rem; }
.underline { width: 50px; height: 4px; background: var(--primary-blue); margin: 15px auto; border-radius: 2px; }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(15px);
    will-change: transform, box-shadow;
    /* NEON DIBALIK GARIS */
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.05);
}

@media (max-width: 768px) {
    .cards-grid { gap: 0.4rem; }
    .glass-card { padding: 1.2rem 0.3rem; border-radius: 10px; }
    .glass-card h3 { font-size: 0.55rem; margin-bottom: 0.2rem; letter-spacing: -0.2px; }
    .glass-card p { font-size: 0.45rem; line-height: 1.2; opacity: 0.7; }
    .card-icon { width: 55px; height: 55px; border-width: 1px; margin-bottom: 0.6rem; }
}

.glass-card:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.08);
    border-color: #ffffff;
    /* OPTIMIZED ULTRA NEON BLOOM */
    animation: neonPulseUltra 1.5s infinite ease-in-out;
}

@keyframes neonPulseUltra {
    0% { box-shadow: 0 0 15px #fff, 0 0 40px #2563eb, 0 0 80px rgba(37, 99, 235, 0.4); }
    50% { box-shadow: 0 0 25px #fff, 0 0 60px #2563eb, 0 0 120px rgba(37, 99, 235, 0.6); }
    100% { box-shadow: 0 0 15px #fff, 0 0 40px #2563eb, 0 0 80px rgba(37, 99, 235, 0.4); }
}

/* CYBER-GLASS ICONS */
.card-icon { 
    width: 130px; height: 130px; 
    display: flex; justify-content: center; align-items: center; 
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(59, 130, 246, 0.4);
    border-radius: 50%;
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.2);
    margin-bottom: 1.5rem;
    position: relative;
    transition: var(--transition);
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.2); border-color: rgba(59, 130, 246, 0.5); }
    50% { box-shadow: 0 0 35px rgba(59, 130, 246, 0.5); border-color: rgba(59, 130, 246, 0.8); }
}

@media (max-width: 768px) {
    .card-icon { width: 45px; height: 45px; border-width: 1px; margin-bottom: 0.8rem; }
}

.card-logo-img {
    max-width: 95%; max-height: 95%;
    width: auto; height: auto;
    transition: 0.5s;
    object-fit: contain;
}

.glass-card:hover .card-logo-img { 
    transform: scale(1.1) rotate(3deg); 
}

.glass-card:hover .card-icon {
    transform: scale(1.1);
    background: rgba(59, 130, 246, 0.1);
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.6);
}

.glass-card h3 { 
    font-size: clamp(1.2rem, 4vw, 1.6rem); 
    font-weight: 700;
    margin-bottom: 0.5rem; 
    color: #fff; 
    letter-spacing: -0.5px;
}

.glass-card p { 
    color: var(--text-muted); 
    font-size: clamp(0.9rem, 2vw, 1rem); 
    line-height: 1.6; 
    margin: 0; 
    font-weight: 400;
}

.card-content { width: 100%; }

/* FOOTER */
footer { padding: 50px 0; text-align: center; border-top: 1px solid var(--glass-border); color: var(--text-muted); font-size: 0.8rem; }

/* BACKGROUND BLOBS */
.background-blobs {
    display: none; /* HILANGKAN LAMPU MENGAMBANG */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    filter: blur(80px);
    opacity: 0.15;
    border-radius: 50%;
    animation: move 20s infinite alternate;
}

.blob-1 {
    width: 500px;
    height: 500px;
    background: var(--primary-blue);
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: #f59e0b;
    bottom: -100px;
    right: -100px;
    animation-delay: -5s;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: #0d9488;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes move {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 100px) scale(1.1); }
}

/* ANIMATIONS */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

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