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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #eff6ff 0%, #e0e7ff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
    padding: 40px;
}

header {
    text-align: center;
    margin-bottom: 32px;
}

h1 {
    color: #1e293b;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.subtitle {
    color: #64748b;
    font-size: 1rem;
}

.info-box {
    background: #f0fdf4;
    border: 1px solid #86efac;
    border-radius: 8px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.info-icon {
    background: #22c55e;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.info-box p {
    color: #166534;
    font-size: 0.9375rem;
}

.actions {
    text-align: center;
    margin-bottom: 32px;
}

.btn-primary {
    display: inline-block;
    background: #4f46e5;
    color: white;
    text-decoration: none;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: background 0.2s, transform 0.1s;
}

.btn-primary:hover {
    background: #4338ca;
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

footer {
    border-top: 1px solid #e2e8f0;
    padding-top: 24px;
    text-align: center;
}

.tech-stack {
    color: #94a3b8;
    font-size: 0.8125rem;
}

@media (max-width: 480px) {
    .card {
        padding: 24px;
    }

    h1 {
        font-size: 1.5rem;
    }
}