:root {
    --cyan: #00f2ff;
    --orange: #ffaa00;
}

body {
    background: #02040a;
    color: white;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

.orbitron {
    font-family: 'Orbitron', sans-serif;
}

.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
}

.achievement-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.achievement-card.locked {
    opacity: 0.4;
    filter: grayscale(1);
}

.achievement-card.unlocked {
    border-color: var(--cyan);
    box-shadow: 0 0 15px rgba(0, 242, 255, 0.2);
}

.glow-text {
    text-shadow: 0 0 10px var(--cyan);
}

.btn-main {
    background: linear-gradient(135deg, #00f2ff 0%, #00a8b3 100%);
    color: black;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.btn-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 242, 255, 0.4);
}

.scanline {
    width: 100%;
    height: 100px;
    z-index: 5;
    background: linear-gradient(0deg, rgba(0, 242, 255, 0) 0%, rgba(0, 242, 255, 0.05) 50%, rgba(0, 242, 255, 0) 100%);
    opacity: 0.1;
    position: absolute;
    bottom: 100%;
    animation: scan 6s linear infinite;
}

@keyframes scan {
    0% {
        bottom: 100%;
    }

    100% {
        bottom: -100px;
    }
}