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

body {
    overflow: hidden;
    font-family: 'Arial', sans-serif;
    background-color: #000;
}

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

.content {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 2;
    pointer-events: none;
    width: 100%;
    max-width: 800px;
    padding: 0 20px;
}

.text-container {
    position: relative;
    width: 100%;
    height: 250px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.text-slide {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
    padding: 20px;
}

.text-slide.active {
    opacity: 1;
    visibility: visible;
}

.text-slide.fade-out {
    opacity: 0;
    visibility: hidden;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: 700;
    letter-spacing: 1px;
    animation: fadeInUp 0.8s ease-out;
}

p {
    font-size: 1.4rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

#loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.8rem;
    z-index: 3;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    background: rgba(0, 0, 0, 0.5);
    padding: 20px 40px;
    border-radius: 10px;
    backdrop-filter: blur(5px);
}

.design-buttons {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    z-index: 2;
}

.design-btn {
    padding: 12px 24px;
    font-size: 1.1rem;
    color: white;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.design-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.design-btn.active {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    p {
        font-size: 1.2rem;
        padding: 0 20px;
    }
    
    .text-container {
        height: 200px;
    }

    .design-buttons {
        flex-direction: column;
        align-items: center;
        bottom: 20px;
    }

    .design-btn {
        width: 200px;
    }
}