:root {
    --blue: #0066ff;
    --red: #ff2b2b;
    --black: #0f0f0f;
    --dark: #1a1a1a;
    --light: #f5f5f5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: var(--black);
    color: white;
    line-height: 1.6;
}

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

/* NAVBAR */
header {
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

.logo span {
    color: var(--red);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

nav a {
    color: white;
    text-decoration: none;
    transition: 0.3s;
}

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

.btn-nav {
    background: var(--red);
    padding: 8px 15px;
    border-radius: 5px;
}

/* HERO */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    background: linear-gradient(to bottom, #000000, #001133);
}

.hero h1 {
    font-size: 50px;
    margin-bottom: 20px;
}

.hero p {
    margin-bottom: 30px;
    color: #ccc;
}

.btn-primary {
    background: var(--blue);
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    color: white;
    transition: 0.3s;
}

.btn-primary:hover {
    background: var(--red);
}

/* PRODUK */
.produk {
    padding: 100px 0;
    background: var(--dark);
    text-align: center;
}

.produk h2 {
    margin-bottom: 50px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.card {
    background: #111;
    padding: 30px;
    border-radius: 10px;
    transition: 0.3s;
    border: 1px solid #222;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--blue);
}

/* TENTANG */
.tentang {
    padding: 100px 0;
    text-align: center;
}

/* KONTAK */
.kontak {
    padding: 100px 0;
    background: var(--dark);
    text-align: center;
}

/* FOOTER */
footer {
    padding: 20px 0;
    text-align: center;
    background: #000;
    color: #777;
}

/* Responsive */
@media(max-width: 768px) {
    .hero h1 {
        font-size: 35px;
    }

    nav ul {
        gap: 15px;
    }
}