/* Palet Warna */
:root {
    --color-dark: #1A1A2E; /* Ungu Tua/Hampir Hitam */
    --color-electric-blue: #00ADB5; /* Biru Neon/Elektrik */
    --color-accent: #FF5722; /* Oranye Terang (untuk tombol/hover) */
    --color-light: #EEEEEE; /* Abu-abu Terang */
    --color-card: #2E2D4D; /* Ungu Lebih Terang untuk Card */
}

/* GLOBAL STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: sans-serif;
    background-color: var(--color-dark);
    color: var(--color-light);
    line-height: 1.6;
    scroll-behavior: smooth;
}

a {
    color: var(--color-electric-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.section-title {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 40px;
    color: var(--color-electric-blue);
    text-transform: uppercase;
    letter-spacing: 2px;
}

main section {
    padding: 80px 5%;
    min-height: 100vh;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-dark);
    padding: 15px 5%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 2em;
    font-weight: bold;
    color: var(--color-electric-blue);
    letter-spacing: 5px;
    /* Efek teks neon */
    text-shadow: 0 0 5px var(--color-electric-blue), 0 0 10px var(--color-electric-blue);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li a {
    color: var(--color-light);
    padding: 0 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links li a:hover {
    color: var(--color-electric-blue);
}

.chart-btn {
    background-color: var(--color-accent);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    margin-left: 20px;
    transition: background-color 0.3s ease, transform 0.2s;
}

.chart-btn:hover {
    background-color: #e54d1d;
    transform: scale(1.05);
}

/* Burger Menu (Mobile) */
.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--color-light);
    margin: 5px;
    transition: all 0.3s ease;
}

/* HERO SECTION */
.hero-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 100px;
    background: linear-gradient(135deg, var(--color-dark) 0%, #0c0c1b 100%);
}

.hero-content {
    max-width: 50%;
}

.hero-content h1 {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--color-light);
}

.hero-content p {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: var(--color-light);
}

.hero-image-container {
    max-width: 45%;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 0 30px rgba(0, 173, 181, 0.5); /* Shadow biru neon */
}

.cta-btn {
    display: inline-block;
    background-color: var(--color-electric-blue);
    color: var(--color-dark);
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: bold;
    text-transform: uppercase;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.cta-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-light);
    transform: translateY(-3px);
}

/* PRODUK SECTION */
.produk-section {
    background-color: var(--color-dark);
}

.produk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--color-card);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid transparent;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 173, 181, 0.3);
    border: 1px solid var(--color-electric-blue);
}

.produk-item img {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
}

.produk-item h3 {
    color: var(--color-electric-blue);
    margin-bottom: 10px;
}

.produk-item .price {
    display: block;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--color-accent);
    margin: 15px 0;
}

.buy-btn {
    background-color: var(--color-electric-blue);
    color: var(--color-dark);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.buy-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-light);
}

/* ABOUT & KONTAK SECTION */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}
.kontak-section {
    text-align: center;
}

/* REVIEW SECTION */
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.review-item {
    text-align: left;
    font-style: italic;
    padding: 20px;
}

.review-item .reviewer {
    display: block;
    margin-top: 10px;
    font-weight: bold;
    color: var(--color-electric-blue);
    text-align: right;
}

/* FOOTER */
footer {
    background-color: #11111f; /* Warna sedikit lebih gelap */
    color: var(--color-light);
    text-align: center;
    padding: 20px 5%;
    border-top: 1px solid rgba(0, 173, 181, 0.2);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.social-icons a {
    font-size: 1.5em;
    margin-left: 15px;
    color: var(--color-light);
    transition: color 0.3s ease;
}

.social-icons a:hover {
    color: var(--color-electric-blue);
}

/* MOBILE BUY NOW BUTTON (Fixed Bottom) */
.mobile-buy-btn {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-accent);
    color: white;
    text-align: center;
    padding: 15px 0;
    font-size: 1.2em;
    font-weight: bold;
    z-index: 999;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
}

.mobile-buy-btn:hover {
    background-color: #e54d1d;
}

/* ANIMASI CSS */

/* Fade-in Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    opacity: 0; /* Awalnya sembunyikan */
    animation: fadeIn 1s ease forwards;
}

.delay-1 { animation-delay: 0.3s; }
.delay-2 { animation-delay: 0.6s; }
/* Card animation controlled by JS (interaksi) */
.animate-card {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-card.visible {
    opacity: 1;
    transform: translateY(0);
}


/* MEDIA QUERIES (Responsif) */
@media (max-width: 900px) {
    .nav-links {
        position: absolute;
        right: 0;
        top: 80px; /* Tinggi Navbar */
        background-color: var(--color-dark);
        display: flex;
        flex-direction: column;
        width: 60%;
        height: 92vh;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        padding: 20px 0;
        z-index: 999;
    }

    .nav-links li {
        opacity: 0;
        padding: 15px 5%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links li:last-child {
        border-bottom: none;
        margin-top: 20px;
    }

    .nav-active {
        transform: translateX(0);
    }

    .burger {
        display: block;
    }
    
    /* Burger Animation */
    .toggle .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
    .toggle .line2 { opacity: 0; }
    .toggle .line3 { transform: rotate(45deg) translate(-5px, -6px); }

    /* Hero Section Mobile */
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    .hero-content, .hero-image-container {
        max-width: 100%;
    }
    .hero-image-container {
        margin-top: 40px;
    }
    .hero-content h1 {
        font-size: 2.5em;
    }

    /* Footer Mobile */
    .footer-content {
        flex-direction: column;
    }
    .social-icons {
        margin-top: 15px;
    }

    /* Mobile Buy Now Button Tampil */
    .mobile-buy-btn {
        display: block;
    }
    .navbar {
        padding: 15px 5%;
    }
}