:root {
    --bg-color: #050505;
    --card-bg: rgba(15, 15, 15, 0.7);
    --aqua-light: #00ffff;
    --aqua-dark: #008b8b;
    --text-color: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
    -webkit-user-drag: none;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    pointer-events: none;
}

.container {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 255, 255, 0.15);
    border-radius: 24px;
    padding: 60px 40px;
    width: 100%;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 255, 255, 0.05);
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    animation: fadeIn 1s ease-out;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.9), 0 0 50px rgba(0, 255, 255, 0.1);
    border-color: rgba(0, 255, 255, 0.3);
}

.logo-container {
    margin-bottom: 30px;
}

.logo {
    max-width: 180px;
    height: auto;
}

.message {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 40px;
    background: linear-gradient(135deg, #fff 0%, var(--aqua-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.button {
    display: inline-block;
    background: linear-gradient(135deg, var(--aqua-light), var(--aqua-dark));
    color: #000;
    text-decoration: none;
    font-weight: 800;
    font-size: 1rem;
    padding: 16px 36px;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    border: none;
    outline: none;
    cursor: pointer;
}

.button::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(45deg);
    transition: all 0.3s ease;
    opacity: 0;
}

.button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.6);
}

.button:hover::after {
    left: 100%;
    opacity: 1;
    transition: all 0.6s ease;
}

.button:active {
    transform: scale(0.98);
}

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

@media (max-width: 768px) {
    .card {
        padding: 50px 30px;
    }
    
    .message {
        font-size: 1.35rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 15px;
    }

    .card {
        padding: 40px 20px;
        border-radius: 20px;
    }
    
    .logo {
        max-width: 140px;
    }
    
    .message {
        font-size: 1.15rem;
        margin-bottom: 30px;
    }
    
    .button {
        padding: 14px 28px;
        font-size: 0.9rem;
    }
    
    body::before {
        width: 300px;
        height: 300px;
    }
}