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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #0a0a0a;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.webgl {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    outline: none;
}

.content {
    position: relative;
    z-index: 10;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2rem;
}

header {
    text-align: center;
    padding: 4rem 0 2rem;
    animation: fadeInDown 1s ease-out;
}

.title {
    font-size: 4rem;
    font-weight: 700;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 2px;
}

.info-panel {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.info-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    min-width: 200px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.2);
}

.info-card h3 {
    font-size: 1.5rem;
    color: #00ffff;
    margin-bottom: 0.5rem;
}

.info-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 1s both;
}

.control-btn {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 50px;
    padding: 1rem 2rem;
    color: #00ffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-width: 160px;
}

.control-btn:hover {
    background: rgba(0, 255, 255, 0.2);
    border-color: #00ffff;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
    transform: scale(1.05);
}

.control-btn:active {
    transform: scale(0.95);
}

@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) {
    .title {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .info-panel {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .info-card {
        width: 100%;
        max-width: 300px;
    }

    .controls {
        flex-direction: column;
        align-items: center;
    }

    .control-btn {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 3rem 0 1.5rem;
    }

    .title {
        font-size: 2rem;
    }

    .info-card h3 {
        font-size: 1.2rem;
    }

    .control-btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}