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

:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #1a1f3a;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --border: #2d3748;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg-primary: #ffffff;
        --bg-secondary: #f8fafc;
        --text-primary: #0f172a;
        --text-secondary: #64748b;
        --accent: #2563eb;
        --accent-hover: #1d4ed8;
        --border: #e2e8f0;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.background-grid {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

.container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.content {
    max-width: 600px;
    width: 100%;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

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

.logo {
    margin-bottom: 40px;
    color: var(--accent);
    animation: fadeIn 1s ease-out;
}

.logo svg {
    width: 64px;
    height: 64px;
    display: inline-block;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent) 0%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-weight: 400;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 48px;
    padding: 32px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.feature:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.feature-icon {
    color: var(--accent);
    font-size: 1.25rem;
    font-weight: bold;
}

.cta {
    margin-bottom: 40px;
}

.cta p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

footer {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

footer p {
    margin: 0;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .features {
        padding: 24px;
        gap: 12px;
    }

    h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }
}