:root {
    --dark: #121212;
    --green-accent: #00C853;
    --light: #E0E0E0;
    --gray-text: #808080;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--dark);
    color: var(--light);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* Header & Navigasi */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background-color: rgba(18, 18, 18, 0.95);
    /* Sedikit transparansi */
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--green-accent);
}

nav a {
    color: var(--light);
    text-decoration: none;
    margin-left: 25px;
    padding-bottom: 5px;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--green-accent);
}

/* Hero Section */
.hero-section {
    height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    /* Efek muncul perlahan (Fade-in) */
    opacity: 0;
    animation: fadeIn 1.5s forwards;
}

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

.hero-section h1 {
    font-size: 3em;
    margin-bottom: 10px;
    color: var(--light);
}

.cta-button {
    background-color: var(--green-accent);
    color: var(--dark);
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    margin-top: 20px;
    /* Efek hover dengan transisi */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: scale(1.05); /* Sedikit membesar */
    box-shadow: 0 5px 15px rgba(0, 200, 83, 0.4);
}

footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid #333;
    color: var(--gray-text);
}