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

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Rajdhani', sans-serif;
}

body {
    background-image: url('bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 15, 0.7) 0%, rgba(20, 20, 30, 0.4) 100%);
    z-index: 1;
}

.container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
}

.premium-btn {
    position: relative;
    padding: 24px 72px;
    background: rgba(10, 15, 25, 0.6);
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 12px;
    cursor: pointer;
    overflow: hidden;
    backdrop-filter: blur(8px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5), inset 0 0 10px rgba(0, 255, 255, 0.1);
}

.btn-text {
    position: relative;
    z-index: 2;
    color: #ffffff;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 6px;
    text-transform: uppercase;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.6);
    transition: all 0.3s ease;
}

.premium-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.4), transparent);
    transform: skewX(-25deg);
    transition: all 0.6s ease;
    z-index: 1;
}

.premium-btn:hover {
    transform: scale(1.05) translateY(-5px);
    border-color: rgba(0, 255, 255, 0.8);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 255, 255, 0.4), inset 0 0 20px rgba(0, 255, 255, 0.2);
    background: rgba(15, 25, 40, 0.8);
}

.premium-btn:hover::before {
    left: 200%;
    transition: all 0.6s ease;
}

.premium-btn:hover .btn-text {
    color: #00ffff;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.8), 0 0 30px rgba(0, 255, 255, 0.4);
}

.premium-btn:active {
    transform: scale(0.98);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 255, 255, 0.2);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.5), inset 0 0 10px rgba(0, 255, 255, 0.1);
    }
    50% {
        box-shadow: 0 0 25px rgba(0, 0, 0, 0.6), inset 0 0 15px rgba(0, 255, 255, 0.3), 0 0 15px rgba(0, 255, 255, 0.2);
    }
    100% {
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.5), inset 0 0 10px rgba(0, 255, 255, 0.1);
    }
}

.premium-btn {
    animation: pulse 3s infinite ease-in-out;
}

.premium-btn:hover {
    animation: none;
}