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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: #0f0f1a;
    color: #ffffff;
    overflow: hidden;
    height: 100vh;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
}

.header {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 20;
    text-align: left;
    padding: 0;
    background: transparent;
}

.header h1 {
    font-size: 1.8rem;
    margin-bottom: 5px;
    background: linear-gradient(90deg, #ff8a00, #e52e71);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.header p {
    font-size: 0.9rem;
    opacity: 0.9;
    color: #ffffff;
}

#sponsors-container {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    perspective: 1000px;
    z-index: 10;
}

.sponsor {
    position: absolute;
    font-weight: bold;
    opacity: 0;
    animation: fadeIn 0.5s forwards, float 3s infinite linear;
    text-shadow: 
        0 0 5px rgba(0, 0, 0, 0.8),
        0 0 10px rgba(255, 255, 255, 0.5);
    cursor: default;
    transition: transform 0.3s ease;
    transform-style: preserve-3d;
    will-change: transform, opacity;
    z-index: 11;
    padding: 5px 10px;
    border-radius: 20px;
    background-color: rgba(15, 15, 26, 0.7);
    backdrop-filter: blur(3px);
    white-space: nowrap;
}

.sponsor.animate-out {
    animation: fadeOutRotate 0.5s forwards;
}

.sponsor.animate-in {
    animation: fadeInRotate 0.5s forwards, float 3s infinite linear;
}

.sponsor:hover {
    transform: scale(1.1) translateZ(20px);
    z-index: 15;
    background-color: rgba(15, 15, 26, 0.9);
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes fadeInRotate {
    0% {
        opacity: 0;
        transform: rotateY(90deg) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: rotateY(0) scale(1);
    }
}

@keyframes fadeOutRotate {
    0% {
        opacity: 1;
        transform: rotateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: rotateY(-90deg) scale(0.8);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateZ(0);
    }
    50% {
        transform: translateY(-40px) translateZ(20px);
    }
}

.error-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #ff5555;
    font-size: 1.5rem;
    text-align: center;
    z-index: 100;
    background: rgba(0, 0, 0, 0.8);
    padding: 20px;
    border-radius: 10px;
}