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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --bg-light: #f9fafb;
    --border: #e5e7eb;
    --white: #ffffff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Article Styles */
.article {
    margin-bottom: 80px;
}

.article-hero {
    padding: 80px 0 60px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    text-decoration: none;
    margin-bottom: 24px;
    transition: opacity 0.2s;
}

.back-link:hover {
    opacity: 0.8;
}

.article h1 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.lead {
    font-size: 20px;
    color: var(--text-gray);
    max-width: 800px;
}

.article-section {
    padding: 40px 0;
}

.article-section h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.article-section h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 24px 0 16px;
}

.article-section h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.article-section p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.article-section ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 24px;
}

.article-section ul li {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 12px;
    padding-left: 28px;
    position: relative;
}

.article-section ul li:before {
    content: "•";
    position: absolute;
    left: 8px;
    color: var(--primary);
    font-weight: bold;
}

.article-section.highlight {
    background: #eff6ff;
    padding: 48px 32px;
    border-radius: 16px;
    margin: 40px 0;
}

.article-section.treatment-section {
    background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
    color: white;
    padding: 48px 32px;
    border-radius: 16px;
    margin: 40px 0;
}

.treatment-section h2,
.treatment-section h3,
.treatment-section h4,
.treatment-section p {
    color: white;
}

.treatment-section ul li {
    color: rgba(255, 255, 255, 0.9);
}

.treatment-section ul li:before {
    color: rgba(255, 255, 255, 0.7);
}

/* Images */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.image-grid img,
.full-width-image {
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.image-grid img {
    height: 300px;
    object-fit: cover;
}

.full-width-image {
    height: 400px;
    object-fit: cover;
    margin: 40px 0;
}

/* Info Boxes */
.info-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.info-box {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary);
}

.info-box h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.info-box p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 0;
}

/* CTA Section */
.cta-section {
    background: var(--bg-light);
    padding: 48px 32px;
    border-radius: 16px;
    text-align: center;
    margin: 40px 0;
}

.cta-section h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 17px;
    color: var(--text-gray);
    margin-bottom: 32px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 500px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: 2px solid var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--border);
}

.btn-outline:hover {
    background: var(--bg-light);
    border-color: var(--primary);
    color: var(--primary);
}

/* Article Divider */
.article-divider {
    border: none;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--border), transparent);
    margin: 80px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .article h1 {
        font-size: 32px;
    }

    .lead {
        font-size: 18px;
    }

    .article-section h2 {
        font-size: 26px;
    }

    .article-section h3 {
        font-size: 20px;
    }

    .article-section p,
    .article-section ul li {
        font-size: 16px;
    }

    .article-hero {
        padding: 60px 0 40px;
    }

    .image-grid {
        grid-template-columns: 1fr;
    }

    .full-width-image {
        height: 250px;
    }

    .cta-section {
        padding: 32px 20px;
    }

    .cta-section h3 {
        font-size: 24px;
    }

    .info-boxes {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 640px) {
    .cta-buttons {
        flex-direction: row;
    }
}

/* Print Styles */
@media print {
    .back-link,
    .cta-section {
        display: none;
    }

    .article {
        page-break-after: always;
    }
}