body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f4f7f6;
}

/* HEADER */
header {
    background-color: #007bff; /* Biru Primer yang Elegan */
    color: white;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.logo {
    font-size: 1.8em;
    font-weight: 700;
    letter-spacing: 1px;
}

.cta-header a {
    color: white;
    text-decoration: none;
    background-color: #ffc107;
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.cta-header a:hover {
    background-color: #e0a800;
}

/* HERO SECTION */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://picsum.photos/1600/600') center/cover no-repeat;
    color: white;
    padding: 100px 5%;
    text-align: center;
}

.hero h1 {
    font-size: 3.5em;
    margin-bottom: 10px;
    font-weight: 700;
}

.hero p {
    font-size: 1.3em;
    margin-bottom: 30px;
    font-weight: 300;
}

.hero .main-cta {
    background-color: #28a745; /* Hijau untuk menonjolkan aksi */
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 30px;
    font-size: 1.1em;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.3s;
    display: inline-block;
}

.hero .main-cta:hover {
    background-color: #218838;
    transform: scale(1.05);
}

/* PACKAGE SECTION */
.packages {
    padding: 80px 5%;
    text-align: center;
}

.packages h2 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: #007bff;
}

.packages p.subtitle {
    font-size: 1.1em;
    margin-bottom: 50px;
    color: #666;
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.package-card {
    background-color: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 5px solid transparent;
}

.package-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

/* Highlight Paket Terbaik (misalnya 25 Mbps) */
.package-card.highlight {
    border-top-color: #ffc107;
    box-shadow: 0 10px 40px rgba(255, 193, 7, 0.3);
}

.package-card h3 {
    font-size: 1.8em;
    color: #007bff;
    margin-bottom: 10px;
}

.price {
    font-size: 2.5em;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

.price span {
    font-size: 0.5em;
    font-weight: 400;
    color: #666;
}

.description {
    font-size: 0.95em;
    color: #999;
    margin-bottom: 25px;
}

.register-btn {
    display: inline-block;
    background-color: #28a745;
    color: white;
    padding: 10px 25px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.register-btn:hover {
    background-color: #218838;
}

/* FOOTER */
footer {
    background-color: #333;
    color: #f4f7f6;
    text-align: center;
    padding: 20px 5%;
    font-size: 0.9em;
}

footer a {
    color: #007bff;
    text-decoration: none;
}