:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --accent-color: #3b82f6;
    --card-bg: rgba(30, 41, 59, 0.7);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: radial-gradient(circle at top right, rgba(59, 130, 246, 0.2), transparent 40%),
                      radial-gradient(circle at bottom left, rgba(139, 92, 246, 0.2), transparent 40%);
}

.container {
    background-color: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    max-width: 600px;
    width: 90%;
    animation: fadeIn 1s ease-out;
}

.logo-container {
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.logo-container::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.4) 0%, transparent 70%);
    z-index: -1;
    filter: blur(20px);
    animation: pulse 3s infinite alternate;
}

.logo {
    max-width: 350px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.4);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #cbd5e1;
}

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

@keyframes pulse {
    0% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
}