body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8fafc;
}

/* ========================================================= */
/* HERO SECTION (BAGIAN ATAS GRADASI BIRU) */
/* ========================================================= */
.hero-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 100px 0 150px 0;
    position: relative;
    overflow: hidden;
}

/* Efek Lingkaran Abstrak di Background Hero */
.hero-section::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    top: -150px;
    right: -100px;
    z-index: 1;
}
.hero-section::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    bottom: -50px;
    left: -150px;
    z-index: 1;
}

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

.hero-title {
    color: #ffffff;
    font-weight: 800;
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.hero-subtitle {
    color: #e0f2fe;
    font-size: 1.15rem;
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 40px;
}

/* TOMBOL MODERN PADA HERO */
.btn-hero-primary {
    background-color: #f59e0b; /* Kuning Amber */
    color: #ffffff;
    border: none;
    padding: 14px 35px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 10px 15px -3px rgba(245, 158, 11, 0.4);
    transition: all 0.3s ease;
    text-decoration: none;
}
.btn-hero-primary:hover {
    background-color: #d97706;
    transform: translateY(-3px);
    color: #ffffff;
    box-shadow: 0 15px 25px -5px rgba(245, 158, 11, 0.5);
    text-decoration: none;
}

.btn-hero-outline {
    background-color: rgba(255,255,255,0.1);
    color: #ffffff;
    border: 2px solid #ffffff;
    padding: 12px 35px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    text-decoration: none;
}
.btn-hero-outline:hover {
    background-color: #ffffff;
    color: #1e40af;
    transform: translateY(-3px);
    text-decoration: none;
}

/* ========================================================= */
/* WAVE SVG (OMBAK PEMBATAS) */
/* ========================================================= */
.wave-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 2;
}
.wave-container svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 90px;
}
.wave-container .shape-fill {
    fill: #f8fafc; 
}

/* ========================================================= */
/* STATISTIK MELAYANG (LIVE COUNTER) */
/* ========================================================= */
.stats-section {
    position: relative;
    z-index: 10;
    margin-top: -80px; 
    padding-bottom: 60px;
}
.stat-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border-bottom: 5px solid transparent;
    transition: transform 0.3s ease;
    height: 100%;
}
.stat-card:hover {
    transform: translateY(-10px);
}
.stat-card.sekolah { border-bottom-color: #f59e0b; }
.stat-card.laptop { border-bottom-color: #3b82f6; }
.stat-card.hardisk { border-bottom-color: #06b6d4; }
.stat-card.ifp { border-bottom-color: #10b981; }

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}
.stat-card.sekolah .stat-icon { color: #f59e0b; }
.stat-card.laptop .stat-icon { color: #3b82f6; }
.stat-card.hardisk .stat-icon { color: #06b6d4; }
.stat-card.ifp .stat-icon { color: #10b981; }

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1e293b;
    line-height: 1;
    margin-bottom: 5px;
}
.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ANIMASI GAMBAR MENGAMBANG */
.floating-img {
    animation: float 6s ease-in-out infinite;
    max-width: 100%;
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.2));
}
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}