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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* Animated background particles */
.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    animation: float 25s infinite ease-in-out;
}

.particle:nth-child(1) {
    width: 80px;
    height: 80px;
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    width: 60px;
    height: 60px;
    left: 80%;
    animation-delay: 8s;
}

.particle:nth-child(3) {
    width: 100px;
    height: 100px;
    left: 50%;
    animation-delay: 16s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

.container {
    text-align: center;
    color: white;
    z-index: 10;
    padding: 60px 40px;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    animation: fadeIn 1s ease-out;
    transition: transform 0.3s ease;
}

.container:hover {
    transform: translateY(-5px);
}

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

.logo {
    font-size: 4rem;
    margin-bottom: 10px;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: -1px;
    text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.3);
}

.tagline {
    font-size: 1.3rem;
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.divider {
    width: 60px;
    height: 3px;
    background: white;
    margin: 30px auto;
    border-radius: 2px;
    opacity: 0.6;
}

.footer {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 20px;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 40px 30px;
        margin: 20px;
    }

    h1 {
        font-size: 2.5rem;
    }

    .logo {
        font-size: 3rem;
    }

    .tagline {
        font-size: 1.1rem;
    }
}