/* --- Variables & Core --- */
:root {
    --primary: #f5b400; /* Industrial Yellow */
    --dark: #111111;
    --charcoal: #1a1a1a;
    --white: #ffffff;
    --gray-bg: #f4f4f4;
    --text: #333333;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Roboto, sans-serif; background: var(--white); color: var(--text); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 80px 0; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* --- Navbar --- */
#navbar { position: fixed; top: 0; width: 100%; z-index: 1000; padding: 25px 0; transition: var(--transition); }
#navbar.scrolled { background: var(--dark); padding: 15px 0; box-shadow: 0 4px 10px rgba(0,0,0,0.3); }
nav.container { display: flex; justify-content: space-between; align-items: center; }
.logo a { font-size: 26px; font-weight: 800; color: var(--white); }
.logo .accent { color: var(--primary); }
.nav-links { display: flex; gap: 25px; }
.nav-links a { color: var(--white); font-size: 13px; font-weight: 600; text-transform: uppercase; transition: var(--transition); }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.lang-toggle button { background: transparent; border: 1px solid var(--white); color: var(--white); padding: 5px 12px; cursor: pointer; }

/* --- Hero --- */
.merchandise-hero {
    height: 400px;
    background: url('https://images.unsplash.com/photo-1541625602330-2277a4c46182?auto=format&fit=crop&q=80&w=1400') center/cover;
    position: relative;
    display: flex;
    align-items: center;
}
.hero-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.7); }
.hero-content { position: relative; z-index: 5; color: var(--white); }
.hero-content h1 { font-size: 50px; font-weight: 900; text-transform: uppercase; }

/* --- Shop Grid --- */
.shop-section { background: var(--gray-bg); }
.product-grid {
    display: grid;
    gap: 30px;
    /* Responsive Columns */
    grid-template-columns: repeat(4, 1fr);
}

.product-card {
    background: var(--white);
    border: 1px solid #e0e0e0;
    padding: 15px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.product-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    margin-bottom: 15px;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-img img { transform: scale(1.1); }

.product-info h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; min-height: 40px; }
.price { font-size: 18px; font-weight: 800; color: var(--dark); margin-bottom: 15px; }

.btn-buy {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    border: none;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
}

.btn-buy:hover { background: #e0a500; }

/* --- Footer --- */
footer { background: var(--dark); color: #888; padding: 60px 0; }
.footer-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.footer-col h4 { color: var(--white); font-size: 14px; margin-bottom: 20px; text-transform: uppercase; }
.footer-col li { font-size: 12px; margin-bottom: 8px; }

/* --- Responsive Breakpoints --- */
@media (max-width: 1024px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { 
    .product-grid { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 32px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

/* Animations */
.fade-in { animation: fadeIn 1.2s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }