/* --- Reset Dasar & Pengaturan Font --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #333;
    line-height: 1.7;
    overflow-x: hidden; /* Mencegah scroll horizontal */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Header & Navigasi --- */
header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 0;
    position: fixed; /* Membuat header tetap di atas */
    width: 100%;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

nav a {
    text-decoration: none;
    color: #f0f0f0;
    font-weight: 600;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #fff;
}

.login-button {
    background-color: #ffaf40;
    color: #333;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.login-button:hover {
    background-color: #ffc107;
    color: #333;
    transform: translateY(-2px);
}

/* --- Konten Utama (Hero Section) --- */
.hero {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 8rem 0 4rem 0; /* Memberi ruang di bawah header fixed */
    flex-grow: 1;
}

.hero-content {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    text-align: center;
    max-width: 900px;
    margin: 2rem;
    animation: fadeIn 1s ease-in-out;
}

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

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #764ba2;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    color: #555;
    margin-bottom: 2rem;
}

.narasi p {
    text-align: justify;
    margin-bottom: 1.5rem;
    color: #444;
}

.narasi strong {
    color: #667eea;
}

/* --- Tombol Call-to-Action (CTA) --- */
.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #ff7e5f, #feb47b);
    color: #fff;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: 1.5rem;
    box-shadow: 0 4px 15px rgba(254, 180, 123, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(254, 180, 123, 0.6);
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 1.5rem 0;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(0, 0, 0, 0.1);
}

/* --- Media Queries untuk Responsif (Mobile) --- */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .hero-content {
        padding: 2rem;
        margin: 1rem;
    }
    
    header .container {
        flex-direction: column;
        gap: 0.5rem;
    }

    nav ul {
        gap: 1rem;
    }
    
    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
}