/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #f5f5f5;
    --accent-color: #ffd700;
    --text-color: #333;
    --text-light: #666;
    --border-color: #e0e0e0;
    --spacing-xs: 1rem;
    --spacing-sm: 2rem;
    --spacing-md: 4rem;
    --spacing-lg: 6rem;
    --spacing-xl: 8rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1.5rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 400;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    padding: var(--spacing-xl) 0;
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-weight: 300;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: var(--spacing-lg) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 300;
}

/* About Section */
.about {
    background-color: var(--secondary-color);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.about-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.detail-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 8px;
}

.detail-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.detail-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Products Section */
.products {
    background-color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.product-category {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    padding: 0;
}

.product-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background-color: var(--secondary-color);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-category:hover .product-image img {
    transform: scale(1.05);
}

.product-category h3 {
    font-size: 1.3rem;
    margin: 1.5rem 1.5rem 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.product-list {
    list-style: none;
    padding: 0 1.5rem 1.5rem;
}

.product-list li {
    padding: 0.5rem 0;
    color: var(--text-light);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-color);
}

.product-list li:last-child {
    border-bottom: none;
}

/* Clients Section */
.clients {
    background-color: var(--secondary-color);
    padding: var(--spacing-lg) 0;
}

.clients-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.clients-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 2rem;
    font-weight: 300;
}

.clients-description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 2rem;
    font-weight: 300;
}

.clients-note {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-light);
    font-style: italic;
    font-weight: 300;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Contact Section */
.contact {
    background-color: white;
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.contact-item {
    padding: 2rem;
    background: var(--secondary-color);
    border-radius: 8px;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 0.95rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--accent-color);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-content p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1.5rem;
    }

    .nav-links a {
        font-size: 0.85rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-details {
        grid-template-columns: 1fr;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 1.5rem;
    }

    section {
        padding: var(--spacing-md) 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.8rem;
    }

    .logo {
        font-size: 1.2rem;
    }
}