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

body {
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 25%, #0d0d0d 50%, #1a1a1a 75%, #000000 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: 'Science Gothic', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    position: relative;
}

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

.container {
    text-align: center;
}

.title {
    color: #ffffff;
    font-size: 10vh;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1;
}

.subtitle {
    color: #a0a0a0;
    font-size: 5vh;
    font-weight: normal;
    line-height: 1;
    margin-bottom: 40px;
}

.download-link {
    display: inline-block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 18px;
    font-weight: 300;
    padding: 12px 24px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    transition: all 0.3s;
    position: relative;
}

.download-link::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 24px;
    right: 24px;
    height: 3px;
    background: #ff4444;
}

.download-link:hover {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.bottom-nav {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 30px;
    z-index: 100;
}

.bottom-nav a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    font-weight: 300;
    transition: color 0.3s;
    position: relative;
    padding-bottom: 4px;
}

.bottom-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: #ff4444;
    transform: scaleX(0);
    transition: transform 0.3s;
}

.bottom-nav a:hover {
    color: rgba(255, 255, 255, 1);
}

.bottom-nav a:hover::after {
    transform: scaleX(1);
}

@media (max-width: 768px) {
    .title {
        font-size: 8vh;
    }

    .subtitle {
        font-size: 4vh;
    }

    .bottom-nav {
        bottom: 20px;
        gap: 20px;
    }

    .bottom-nav a {
        font-size: 12px;
    }
}