:root {
    --bg-color: #0D1321;
    --card-bg: #1D2D44;
    --text-primary: #F8F9FA;
    --text-secondary: #A0AEC0;
    --accent: #FF6B35;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    text-align: center;
    margin-bottom: 60px;
}

h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    font-weight: 800;
}

.accent {
    color: var(--accent);
}

.card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
}

.btn:hover {
    opacity: 0.9;
}

footer {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 60px;
    font-size: 0.9rem;
}

a {
    color: var(--accent);
    text-decoration: none;
}