:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --error: #ef4444;
    --border: #334155;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
    line-height: 1.5;
}

.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: center;
}

h1.brand {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: #60a5fa;
    margin-bottom: 0.5rem;
}

h2.headline {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

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

.hero-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.cta-button {
    width: 100%;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border: none;
    background-color: var(--accent);
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    font-family: inherit;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.cta-button:hover {
    background-color: var(--accent-hover);
}

.cta-button:active {
    transform: scale(0.98);
}

.how-it-works {
    margin-top: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: left;
}

.how-it-works h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: rgba(15, 23, 42, 0.4);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid rgba(51, 65, 85, 0.5);
}

.step-number {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 32px;
    height: 32px;
    background-color: var(--accent);
    color: white;
    border-radius: 50%;
    font-weight: 600;
    font-size: 1rem;
    flex-shrink: 0;
}

.step-text {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

@media (max-width: 480px) {
    .card {
        padding: 2rem 1.25rem;
    }
    
    h2.headline {
        font-size: 1.5rem;
    }
    
    p.subtitle {
        font-size: 1rem;
    }
}