:root {
    --primary: #0056b3;
    --secondary: #6c757d;
    --dark: #212529;
    --light: #f8f9fa;
    --accent: #ffc107;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    line-height: 1.6;
    color: var(--dark);
    background-color: #fff;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: #fff;
    border-bottom: 1px solid #eee;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--primary);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
}

.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f4f8 0%, #fff 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--primary);
}

.subtitle {
    font-size: 1.2rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.slogan {
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 30px;
    border-left: 4px solid var(--accent);
    padding-left: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    transition: 0.3s;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-secondary {
    background: #fff;
    color: var(--primary);
    border: 2px solid var(--primary);
    margin-left: 10px;
}

.hero-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

section {
    padding: 80px 0;
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature {
    text-align: center;
    padding: 30px;
    background: var(--light);
    border-radius: 10px;
}

.feature .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.projects {
    background: var(--dark);
    color: #fff;
}

.project-card {
    background: rgba(255,255,255,0.05);
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 20px;
    border-left: 4px solid var(--primary);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.video-item video {
    width: 100%;
    border-radius: 10px;
}

.video-item p {
    text-align: center;
    font-weight: 600;
    margin-top: 10px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
}

footer {
    padding: 40px 0;
    background: #f0f0f0;
    text-align: center;
}

@media (max-width: 768px) {
    .hero-grid, .features, .video-grid, .gallery-grid {
        grid-template-columns: 1fr;
    }
    h1 { font-size: 2.5rem; }
}