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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

#canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
}

.logo-container {
    margin-bottom: 2rem;
    animation: fadeInDown 1s ease-out;
}

.logo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.3),
        0 0 0 10px rgba(255, 255, 255, 0.1),
        0 0 0 20px rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    object-fit: cover;
    border: 5px solid rgba(255, 255, 255, 0.2);
}

.logo:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow:
        0 15px 60px rgba(0, 0, 0, 0.4),
        0 0 0 15px rgba(255, 255, 255, 0.15),
        0 0 0 30px rgba(255, 255, 255, 0.08);
}

.title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.3s both;
    letter-spacing: 2px;
}

.subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    opacity: 0.9;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out 0.6s both;
    letter-spacing: 1px;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .logo {
        width: 150px;
        height: 150px;
    }

    .title {
        font-size: 2.5rem;
    }

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