body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7f9fc;
    color: #333;
    line-height: 1.6;
    padding-top: 65px; 
}

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

h1, h2, h3 {
    color: #001f3f;
    font-weight: 700;
}

header {
    background-color: #001f3f; 
    color: white;
    padding: 1.2em 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    
    position: fixed;
    top: 0; 
    left: 0; 
    width: 100%;
    z-index: 1000;
    
    transition: transform 0.3s ease-in-out; 
}

header.scrolled-down {
    transform: translateY(-100%); 
}

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

header h1 {
    color: white; 
    background: none; 
    padding: 0;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    font-weight: 600;
    transition: color 0.3s;
}

nav a:hover {
    color: #ff9900;
}

#hero {
    background: url('LzOPHjryKibPeQk.jpg') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 30px;
    border-radius: 12px;
    position: relative;
    box-shadow: inset 0 0 0 1000px rgba(0,0,0,.4); 
}

#hero h2 {
    color: white;
    font-size: 2.5em;
    margin-bottom: 10px;
}

.cta-button {
    display: inline-block;
    background-color: #ff9900;
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 8px; 
    margin-top: 25px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(255, 153, 0, 0.3);
}

.cta-button:hover {
    background-color: #e68a00;
    transform: translateY(-1px);
}

/* 4. FILTER & PRODUK */
.filter-controls {
    margin-bottom: 25px;
    padding: 15px 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

#category-filter {
    padding: 10px 15px;
    border-radius: 5px;
    border: 1px solid #ddd;
    font-size: 1em;
    margin-left: 10px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.product-card img {
    width: 100%;
    height: 300px; 
    object-fit: contain; 
    border-radius: 6px;
    margin-bottom: 15px;
    background-color: #f0f0f0; 
    padding: 10px;
}

.add-to-cart {
    background-color: #0074d9; 
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 15px;
}

.add-to-cart:hover {
    background-color: #005bb5;
}

#keranjang, #payment, #contact {
    background-color: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    margin-top: 30px;
    margin-bottom: 30px;
}

#keranjang h2, #payment h2, #contact h2 {
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

#cart-items {
    list-style: none;
    padding: 0;
}

#cart-items li {
    border-bottom: 1px solid #f0f0f0;
    padding: 12px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
}
#cart-items li:last-child {
    border-bottom: none;
}


.total-cart-display {
    font-size: 1.4em;
    font-weight: 700;
    margin-top: 20px;
    color: #001f3f;
    padding-top: 10px;
    border-top: 2px solid #ff9900;
}

.payment-option {
    border: 1px solid #ddd;
    padding: 18px;
    margin-bottom: 15px;
    border-radius: 8px;
    background-color: #f9f9f9;
}

.payment-option h4 {
    margin-top: 0;
    color: #0074d9; 
    font-size: 1.1em;
}

.payment-note {
    color: #d9534f;
    font-weight: 600;
    margin-top: 20px;
    padding: 10px;
    border: 1px dashed #d9534f;
    border-radius: 5px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box; 
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #ff9900;
    outline: none;
}

footer {
    background-color: #001f3f;
    color: white;
    text-align: center;
    padding: 1.5em 0;
    margin-top: 50px;
}

.social-links {
    margin-bottom: 15px;
}

.social-links a {
    color: white;
    font-size: 2.5em;
    margin: 0 15px;
    transition: transform 0.3s, color 0.3s;
    display: inline-block;
}

.social-links a:hover {
    transform: translateY(-3px);
}

.fa-whatsapp {
    color: #25D366; 
}
.fa-instagram {
    color: #E1306C; 
}

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }

    nav {
        margin-top: 15px;
    }

    nav a {
        margin: 0 10px;
        font-size: 0.9em;
    }
    
    #hero {
        padding: 50px 10px;
        font-size: 0.9em;
    }

    .product-grid {
        grid-template-columns: 1fr; 
    }
}