:root {
    --bg-color: #050505;
    --card-bg: #111111;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --accent: #FF5722; /* Industrial Orange/Safety Color - good contrast on black */
    --accent-hover: #F4511E;
    --border: #333333;
    --font-heading: 'JetBrains Mono', monospace;
    --font-body: 'Work Sans', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-logo {
    height: 40px;
    width: auto;
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: -1px;
}

.brand-name .accent {
    color: var(--text-secondary);
    font-weight: 400;
}

/* Nav */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.2s;
    font-weight: 500;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--text-primary);
}

.btn-login {
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 4px;
}

.btn-login:hover {
    border-color: var(--text-primary);
}

/* Hero */
.hero {
    padding: 80px 0;
    text-align: center;
    border-bottom: 1px solid var(--border);
    background: radial-gradient(circle at center, #1a1a1a 0%, #050505 70%);
}

.hero h2 {
    font-size: 3rem;
    font-family: var(--font-heading);
    margin-bottom: 16px;
    background: linear-gradient(180deg, #fff 0%, #aaa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Main */
.filter-bar {
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.search-box input {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 10px 15px;
    color: var(--text-primary);
    border-radius: 4px;
    font-family: var(--font-body);
}

/* Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    padding-bottom: 80px;
}

.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    border-color: var(--text-secondary);
}

.card-image {
    height: 180px;
    width: 100%;
    background-color: #222;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.8;
}

.card-body {
    padding: 20px;
}

.card-tags {
    margin-bottom: 10px;
}

.tag {
    background: #222;
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: var(--font-heading);
    margin-right: 5px;
}

.card-title {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.card-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    border-top: 1px solid #222;
    padding-top: 15px;
}

.price {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
}

.btn-purchase {
    background: var(--text-primary);
    color: var(--bg-color);
    border: none;
    padding: 8px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-purchase:hover {
    background: #ddd;
}

/* Footer */
.main-footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
}