:root {
    --bg-color: #0d0e12;
    --text-color: #ffffff;
    --accent-color: #ff3b30;
    --card-bg: #16171e;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.main-header {
    background-color: rgba(13, 14, 18, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    color: #fff;
    font-weight: bold;
    text-decoration: none;
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.video-hero-container {
    max-width: 1000px;
    margin: 2rem auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
    border: 1px solid rgba(255,255,255,0.05);
}

.video-hero-container video {
    width: 100%;
    display: block;
}

.portfolio-section {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.portfolio-section h2 {
    font-size: 2rem;
    border-left: 4px solid var(--accent-color);
    padding-left: 1rem;
    margin-bottom: 2rem;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255,255,255,0.03);
}

.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 59, 48, 0.15);
}

.portfolio-info {
    padding: 1.2rem;
}

.main-footer {
    text-align: center;
    padding: 4rem 2rem;
    color: #444;
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: 4rem;
}