/* IMPORT FONT KEREN */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8f9fa;
    color: #444;
    overflow-x: hidden; /* Mencegah scroll samping */
}

/* NAVBAR GLASSMORPHISM (KACA) */
.navbar {
    background: rgba(13, 110, 253, 0.9) !important; /* Biru Transparan */
    backdrop-filter: blur(10px); /* Efek blur */
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    padding: 15px 0;
    transition: all 0.3s;
}

.navbar-brand {
    letter-spacing: 1px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

/* HERO SECTION PARALLAX */
.hero-section {
    /* Pastikan gambar banner.jpg ada di folder assets/img */
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.6)), url('../img/banner.jpg');
    background-attachment: fixed; /* KUNCI EFEK 3D/PARALLAX */
    background-size: cover;
    background-position: center;
    height: 650px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    border-radius: 0 0 60px 60px; /* Lengkungan bawah */
    margin-bottom: 70px;
    position: relative;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    text-shadow: 2px 2px 15px rgba(0,0,0,0.7);
    margin-bottom: 20px;
}

/* KARTU YANG BISA MELAYANG */
.card {
    border: none;
    border-radius: 20px;
    background: white;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Efek membal */
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px); /* Naik ke atas */
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.card-img-top {
    transition: transform 0.6s ease;
}

.card:hover .card-img-top {
    transform: scale(1.1); /* Zoom gambar */
}

/* JUDUL SECTION */
.section-title {
    font-weight: 700;
    color: #2c3e50;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
    margin-bottom: 30px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 5px;
    background: #ffc107; /* Garis kuning */
    border-radius: 5px;
    margin-top: 5px;
}

/* BUTTONS */
.btn-primary {
    background: linear-gradient(45deg, #0d6efd, #0099ff);
    border: none;
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(45deg, #0056b3, #007bff);
    transform: translateY(-2px);
}

/* LINK NAVIGASI */
.nav-link {
    font-weight: 500;
    transition: color 0.3s;
}
.nav-link:hover {
    color: #ffc107 !important; /* Warna kuning saat hover */
}