:root {
    --primary-color: #111a31;
    --secondary-color: #1e305a;
    --accent-color: #3498db; /* Warna aksen tambahan untuk UI */
    --text-color: #333333;
    --bg-light: #f4f7f6;
    --white: #ffffff;
}

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

body {
    color: var(--text-color);
    line-height: 1.6;
}

/* Typography & Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}
.section-padding { padding: 90px 0; }
.section-title {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 2.2rem;
    font-weight: 700;
}
.bg-light { background-color: var(--bg-light); }
.text-center { text-align: center; }
.icon-primary { color: var(--accent-color); margin-bottom: 20px; transition: 0.3s; }

/* Navbar */
#navbar {
    background: var(--white);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
}
.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}
/* Memperbesar ukuran logo */
#nav-logo { 
    height: 90px; /* Ukuran lebih besar */
    transition: all 0.4s ease; 
}
.nav-links {
    list-style: none;
    display: flex;
}
.nav-links li { padding: 0 15px; }
.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: color 0.3s;
}
.nav-links a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(17,26,49,0.95) 0%, rgba(30,48,90,0.95) 100%), url('../img/hero-bg.jpg') center/cover;
    color: var(--white);
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
}
.hero h1 { font-size: 3.5rem; margin-bottom: 20px; font-weight: 800; line-height: 1.2; }
.hero p { font-size: 1.2rem; margin-bottom: 40px; opacity: 0.9; max-width: 800px; margin-left: auto; margin-right: auto; }
.btn {
    display: inline-block;
    padding: 15px 35px;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    border-radius: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.btn:hover { background: var(--accent-color); color: var(--white); transform: translateY(-3px); }

/* Grid System */
.grid-3, .grid-4 {
    display: grid;
    gap: 30px;
}
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

/* Cards */
.card, .product-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.03);
}
.card:hover, .product-card:hover { 
    transform: translateY(-10px); 
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}
.card:hover .icon-primary { transform: scale(1.1); }

/* Styling Tambahan untuk Product Card dengan Gambar */
.product-card { padding: 25px; }
.product-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.product-card h4 { color: var(--primary-color); margin-bottom: 12px; font-size: 1.2rem; }

/* Brands Grid dengan Gambar */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 40px;
    align-items: center;
    justify-items: center;
}
.brand-item img {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.7);
    transition: all 0.4s ease;
}
.brand-item img:hover {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.1);
}

/* Footer Lanjutan (Address & CS) */
footer {
    background: var(--primary-color);
    color: #e0e0e0;
    padding: 60px 0 20px;
}
.footer-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-info h3 {
    color: var(--white);
    margin-bottom: 15px;
    font-size: 1.5rem;
}
.footer-address h4, .footer-contact h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.2rem;
}
.footer-address p, .footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}
.footer-address i, .footer-contact i {
    color: var(--accent-color);
    margin-top: 5px;
}
.footer-bottom p {
    text-align: center;
    font-size: 0.9rem;
    color: #888;
}