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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: white;
    overflow-x: hidden;
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #1a1a1a, #2d2d2d, #404040);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    z-index: -1;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 0;
    z-index: 1000;
}

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

.nav, .hero-content {
    background: rgba(40, 40, 40, 0.3);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 1.5rem 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #00d9ff;
}

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

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

.nav-links a:hover {
    color: #00d9ff;
}

.nav-links a.active {
    color: #00ff9d;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0, 255, 157, 0.7);
}

.cta-button {
    display: inline-block;
    background: rgba(0, 217, 255, 0.1);
    border: 2px solid rgba(0, 217, 255, 0.3);
    color: #00d9ff;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
    font-weight: 600;
    min-width: 140px;
    text-align: center;
    text-decoration: none;
}

.cta-button:hover {
    background: rgba(0, 217, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 217, 255, 0.2);
    color: #00d9ff;
    text-decoration: none;
}

.project-link {
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    color: #00d9ff;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 1rem;
    white-space: nowrap;
}

.project-link:hover {
    background: rgba(0, 217, 255, 0.2);
    transform: translateY(-2px);
}

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

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(45deg, #fff, #00d9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Адаптивность */

@media (max-width: 768px) {
    .nav {
        padding: 0 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 0.8rem;
    }
    
    .nav-links a {
        font-size: 0.85rem;
    }
    
    .logo {
        font-size: 1.3rem;
    }
}