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

:root {
    --color-primary: #000000;
    --color-secondary: #666666;
    --color-light: #f5f5f5;
    --color-white: #ffffff;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --max-width: 1200px;
    --spacing-xs: 1rem;
    --spacing-sm: 2rem;
    --spacing-md: 4rem;
    --spacing-lg: 6rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--color-primary);
    background: var(--color-white);
    position: relative;
}

/* Site-wide video background */
.site-video {
    position: fixed;
    top: 0;
    left: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -2;
    object-fit: cover;
}

.site-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.75);
    z-index: -1;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xs);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e0e0e0;
    z-index: 1000;
    padding: 1.5rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}

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

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

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.hero-logo {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin: 0 auto var(--spacing-xs);
    display: block;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 300;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--spacing-xs);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-secondary);
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

/* Sections */
.section {
    padding: var(--spacing-lg) 0;
}

.section-alt {
    background: var(--color-light);
}

.section h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
}

.lead {
    font-size: 1.25rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.7;
}

.section p {
    color: var(--color-secondary);
    max-width: 700px;
    line-height: 1.8;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-sm);
    border-radius: 2px;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.service-card p {
    color: var(--color-secondary);
    line-height: 1.7;
}

/* Awards Grid */
.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    align-items: center;
}

.award-logo {
    width: 120px;
    height: 60px;
    object-fit: contain;
    opacity: 0.5;
    transition: opacity 0.3s ease;
    margin: 0 auto;
    display: block;
}

.award-logo:hover {
    opacity: 0.8;
}

/* Clients Grid */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    align-items: center;
}

.client-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    opacity: 0.6;
    transition: opacity 0.3s ease;
    margin: 0 auto;
    display: block;
}

.client-logo:hover {
    opacity: 1;
}

/* Button */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    border-radius: 2px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-top: var(--spacing-sm);
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

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

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

.footer-details {
    font-size: 0.8rem;
    margin-top: 1rem;
    opacity: 0.6;
}

/* Contact Section */
#contact {
    text-align: center;
}

#contact .lead {
    margin: 0 auto var(--spacing-xs);
}

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

    .nav-links a {
        font-size: 0.9rem;
    }

    .hero {
        min-height: 90vh;
    }

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

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

@media (max-width: 480px) {
    .logo {
        font-size: 1.25rem;
    }

    .nav-links {
        gap: 1rem;
    }

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