body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f4f6f8;
    color: #1f2937;
}

.topbar {
    display: flex;
    justify-content: space-between;
    padding: 20px 40px;
    background: white;
    border-bottom: 1px solid #e5e7eb;
}

.logo {
    font-weight: 600;
    font-size: 20px;
}

.topbar nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #374151;
}

.hero {
    text-align: center;
    padding: 100px 20px;
    background: white;
}

.hero h1 {
    font-size: 36px;
    max-width: 800px;
    margin: auto;
}

.hero p {
    margin-top: 15px;
    font-size: 18px;
    color: #6b7280;
}

.cta {
    margin-top: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 20px;
    border-radius: 6px;
    text-decoration: none;
    margin: 10px;
    font-weight: 500;
}

.primary {
    background: #2563eb;
    color: white;
}

.secondary {
    border: 1px solid #2563eb;
    color: #2563eb;
}

.large {
    padding: 15px 30px;
    font-size: 18px;
}

.features {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 80px 20px;
}

.feature {
    max-width: 300px;
    text-align: center;
}

.security {
    text-align: center;
    padding: 80px 20px;
    background: #eef2f7;
}

.final-cta {
    text-align: center;
    padding: 80px 20px;
}

footer {
    text-align: center;
    padding: 30px;
    background: white;
    border-top: 1px solid #e5e7eb;
    font-size: 14px;
}

.auth-container {
    max-width: 400px;
    margin: 80px auto;
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

.auth-container h2 {
    text-align: center;
    margin-bottom: 30px;
}

input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
}

button {
    width: 100%;
    border: none;
    cursor: pointer;
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 6px;
}

.alert.error {
    background: #fee2e2;
    color: #b91c1c;
}

.alert.success {
    background: #dcfce7;
    color: #166534;
}

.small-text {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
}

.dashboard-container {
    max-width: 600px;
    margin: 80px auto;
}

.card {
    background: white;
    padding: 30px;
    margin-bottom: 25px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

.license-key {
    font-family: monospace;
    font-size: 18px;
    background: #f3f4f6;
    padding: 10px;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.copy-btn {
    background: #2563eb;
    color: white;
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    margin-bottom: 15px;
    font-weight: 500;
}

.badge-green {
    background: #dcfce7;
    color: #166534;
}

.badge-red {
    background: #fee2e2;
    color: #b91c1c;
}