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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
    animation: fadeIn 0.5s ease-in;
}

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

header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
}

.header-icon {
    font-size: 4em;
    margin-bottom: 15px;
    opacity: 0.9;
}

.header-icon i {
    color: #ffffff;
}

h2 i,
h3 i,
h4 i {
    margin-right: 8px;
    color: inherit;
}

h1 {
    font-size: 2.2em;
    margin-bottom: 10px;
    font-weight: 600;
}

.subtitle {
    font-size: 1.1em;
    opacity: 0.9;
    font-weight: 300;
}

.content {
    padding: 40px 30px;
}

h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.6em;
    display: flex;
    align-items: center;
    gap: 10px;
}

h2::before {
    content: "🔒";
    font-size: 1.2em;
}

.alert {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    border-left: 5px solid #c92a2a;
}

.alert h3 {
    margin-bottom: 10px;
    font-size: 1.2em;
}

.info-box {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-left: 5px solid #2196f3;
    padding: 20px;
    border-radius: 10px;
    margin: 25px 0;
}

.info-box h3 {
    color: #1565c0;
    margin-bottom: 10px;
    font-size: 1.2em;
}

.steps {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 25px;
    margin: 25px 0;
}

.steps h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.3em;
}

.step {
    display: flex;
    margin-bottom: 20px;
    align-items: flex-start;
}

.step-number {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    margin-right: 15px;
    font-size: 1.1em;
}

.step-content {
    flex: 1;
    padding-top: 5px;
}

.step-content strong {
    color: #2c3e50;
    display: block;
    margin-bottom: 5px;
}

ul {
    margin: 15px 0 15px 20px;
}

li {
    margin-bottom: 10px;
    padding-left: 5px;
}

li::marker {
    color: #667eea;
}

.email-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    margin: 20px 0;
}

.email-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.email-button::before {
    content: "✉️";
    font-size: 1.3em;
}

.button-container {
    text-align: center;
    margin: 30px 0;
}

.warning-list {
    background: #fff3cd;
    border-left: 5px solid #ffc107;
    padding: 20px;
    border-radius: 10px;
    margin: 25px 0;
}

.warning-list h3 {
    color: #856404;
    margin-bottom: 15px;
    font-size: 1.2em;
}

.data-retention {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 10px;
    padding: 20px;
    margin: 25px 0;
}

.data-retention h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.retention-item {
    padding: 10px 0;
    border-bottom: 1px solid #dee2e6;
}

.retention-item:last-child {
    border-bottom: none;
}

.retention-item strong {
    color: #495057;
}

footer {
    background: #f8f9fa;
    padding: 25px 30px;
    text-align: center;
    border-top: 1px solid #dee2e6;
}

.footer-links {
    margin-top: 15px;
}

.footer-links a {
    color: #667eea;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #764ba2;
    text-decoration: underline;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 20px;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: #764ba2;
}

.back-link::before {
    content: "←";
    font-size: 1.2em;
}

@media (max-width: 768px) {
    .container {
        margin: 20px auto;
        border-radius: 12px;
    }

    header {
        padding: 30px 20px;
    }

    h1 {
        font-size: 1.8em;
    }

    .content {
        padding: 30px 20px;
    }

    .email-button {
        padding: 12px 25px;
        font-size: 1em;
    }
}