:root {
    --dark-bg: #000D1A;      /* Dark Blue Pekat */
    --card-bg: #001F3F;      /* Navy Blue untuk kartu */
    --gold: #FFD700;         /* Kuning Emas */
    --gold-dim: #B8860B;     /* Emas Gelap untuk variasi */
    --text-light: #E0E0E0;   /* Abu-abu sangat terang (bukan putih murni) */
}

body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--dark-bg);
    color: var(--text-light);
}

.container { width: 85%; margin: auto; }

/* Header mewah tanpa putih */
header {
    background: var(--dark-bg);
    padding: 25px 0;
    border-bottom: 2px solid var(--gold);
}

.nav-links { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 28px; font-weight: 900; color: var(--gold); text-transform: uppercase; letter-spacing: 2px; }

.nav-menu a { 
    color: var(--gold); 
    text-decoration: none; 
    margin-left: 25px; 
    font-weight: bold; 
    padding: 10px 20px;
    border: 1px solid transparent;
    transition: 0.3s;
}

.nav-menu a:hover { border: 1px solid var(--gold); border-radius: 5px; }

/* Hero Section Gahar */
.hero {
    padding: 150px 0;
    text-align: center;
    background: linear-gradient(rgba(0,13,26,0.9), rgba(0,13,26,0.9)), 
                url('https://images.unsplash.com/photo-1611974717482-58289944484f?q=80&w=2000');
    background-size: cover;
}

.hero h1 { font-size: 4rem; color: var(--gold); margin-bottom: 20px; text-shadow: 2px 2px 10px rgba(0,0,0,0.5); }
.hero p { font-size: 1.3rem; color: var(--text-light); margin-bottom: 40px; }

/* Tombol: Kuning ketemu Gelap (Sesuai Aturan) */
.btn-gold {
    background: var(--gold);
    color: var(--dark-bg); /* Dark ketemu Light */
    padding: 20px 45px;
    border: none;
    border-radius: 5px;
    font-size: 1.2rem;
    font-weight: 900;
    cursor: pointer;
    transition: 0.4s;
    text-transform: uppercase;
}

.btn-gold:hover { background: var(--text-light); color: var(--dark-bg); transform: translateY(-3px); }

/* Form Card: Gelap Ketemu Emas */
.form-card {
    background: var(--card-bg);
    padding: 50px;
    border-radius: 5px;
    border: 1px solid var(--gold-dim);
    max-width: 850px;
    margin: -80px auto 80px auto;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.form-control {
    width: 100%;
    padding: 15px;
    margin: 10px 0 25px 0;
    background: var(--dark-bg);
    border: 1px solid var(--gold-dim);
    color: var(--gold); /* Input teks berwarna emas */
    border-radius: 4px;
}

.form-control:focus { border-color: var(--gold); outline: none; }

label { color: var(--gold); font-weight: bold; font-size: 0.9rem; text-transform: uppercase; }

/* Disclaimer Section */
.disclaimer-box {
    background: rgba(255, 215, 0, 0.05);
    padding: 25px;
    border-left: 4px solid var(--gold);
    margin-bottom: 30px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.content-section { display: none; }
.active-section { display: block; animation: fadeIn 0.8s; }

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