:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --primary-color: #6366f1;
    --secondary-color: #ec4899;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: radial-gradient(circle at top right, #1e1b4b, var(--bg-color));
}

.container {
    text-align: center;
    padding: 3rem 4rem;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    animation: fadeIn 1.2s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

/* Subtle glow effect */
.container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    pointer-events: none;
    transform: rotate(30deg);
}

h1 {
    font-size: 4rem;
    margin: 0 0 1rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 800;
    letter-spacing: -0.02em;
    animation: slideUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.2s backwards;
}

p {
    font-size: 1.25rem;
    color: #94a3b8;
    margin-top: 0;
    animation: slideUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.4s backwards;
}

.btn {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 9999px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: slideUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.6s backwards;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(99, 102, 241, 0.5);
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

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