:root {
    --primary-color: #ff6600; /* Main brand color */
    --primary-shadow: #960019; /* Accent color */
    --secondary-shadow: #590110;
    --secondary-color: #ff2600;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #0a0a0a;
    overflow-x: hidden;
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-shadow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #0a0a0a 0%, var(--secondary-shadow) 50%, var(--primary-shadow) 100%);
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.3rem;
    color: #ccc;
    max-width: 600px;
    margin: 0 auto;
}

/* Products Section */
.products {
    padding: 80px 0;
    background: #111;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 3rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.product-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: #667eea;
}

.product-image {
    height: 250px;
    background: linear-gradient(135deg, #667eea20, #764ba220);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-visual {
    width: 80%;
    height: 80%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    width: 120px;
    height: 120px;
}

.container-cell {
    background: var(--secondary-shadow);
    border: 1px solid var(--secondary-color);
    border-radius: 4px;
    animation: pulse 2s ease-in-out infinite alternate;
}

.container-cell:nth-child(odd) {
    animation-delay: 0.5s;
}

.sensor-visual {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-shadow));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% {
        background: var(--secondary-shadow);
        border-color: var(--secondary-color);
    }
    100% {
        background: var(--primary-shadow);
        border-color: var(--primary-color);
    }
}

@keyframes glow {
    0% { box-shadow: 0 0 20px var(--primary-shadow); }
    100% { box-shadow: 0 0 30px var(--primary-color); }
}

.product-content {
    padding: 2rem;
}

.product-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.product-price {
    font-size: 1.3rem;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 1rem;
}

.product-description {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.product-specs {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-specs li {
    color: #bbb;
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1.2rem;
    font-size: 0.9rem;
}

.product-specs li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-shadow) 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-shadow);
}

.btn:disabled {
    background: #555;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.coming-soon {
    background: rgba(255, 255, 255, 0.03);
    border: 2px dashed rgba(255, 255, 255, 0.2);
}

.coming-soon .product-image {
    background: rgba(255, 255, 255, 0.02);
}

.coming-soon-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Comparison Section */
.comparison {
    padding: 80px 0;
    background: #0a0a0a;
}

.comparison-table {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table th {
    background: rgba(102, 126, 234, 0.1);
    color: #fff;
    font-weight: 600;
}

.comparison-table td {
    color: #ccc;
}

.comparison-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Footer */
footer {
    background: #0a0a0a;
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: #bbb;
    text-decoration: none;
    line-height: 1.6;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #888;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
    }

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

    .comparison-table {
        overflow-x: auto;
    }

    .comparison-table table {
        min-width: 600px;
    }
}