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

body {
    font-family: 'Segoe UI', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #222222;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    background-color: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: #2763e8;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo span {
    color: #222222;
}

nav {
    display: flex;
    gap: 28px;
}

nav a {
    text-decoration: none;
    color: #555555;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #2763e8;
}

.subscribe-btn {
    background-color: #2763e8;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-radius: 24px;
    transition: background-color 0.3s;
}

.subscribe-btn:hover {
    background-color: #1a4fc4;
}

.hero {
    background: linear-gradient(135deg, #e6f0ff 0%, #d4e8ff 100%);
    padding: 80px 0;
    text-align: center;
    margin-bottom: 60px;
}

.hero h1 {
    font-size: 52px;
    color: #222222;
    margin-bottom: 24px;
    line-height: 1.15;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 22px;
    color: #555555;
    max-width: 700px;
    margin: 0 auto 32px;
    line-height: 1.5;
}

.hero-image {
    width: 100%;
    max-width: 1000px;
    height: 450px;
    object-fit: cover;
    border-radius: 12px;
    margin-top: 40px;
}

.medical-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #d3f6f1;
    padding: 8px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.medical-badge-icon {
    width: 20px;
    height: 20px;
    background-color: #0d9488;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.medical-badge-text {
    font-size: 14px;
    color: #0d9488;
    font-weight: 600;
}

.section-title {
    font-size: 36px;
    color: #222222;
    margin-bottom: 16px;
    font-weight: 700;
}

.section-subtitle {
    font-size: 18px;
    color: #666666;
    margin-bottom: 40px;
    max-width: 700px;
}

.content-stream {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.content-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.content-block.reverse {
    direction: rtl;
}

.content-block.reverse > * {
    direction: ltr;
}

.content-block img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
}

.content-block h2 {
    font-size: 28px;
    color: #222222;
    margin-bottom: 16px;
    font-weight: 700;
}

.content-block p {
    font-size: 16px;
    color: #444444;
    line-height: 1.7;
}

.fact-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    font-size: 13px;
    color: #0d9488;
    font-weight: 500;
}

.info-card {
    background-color: #e6f0ff;
    padding: 28px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.info-card h3 {
    font-size: 20px;
    color: #222222;
    margin-bottom: 16px;
    font-weight: 600;
}

.info-card p {
    font-size: 15px;
    color: #555555;
    line-height: 1.6;
}

.info-card ul {
    margin-top: 12px;
    padding-left: 20px;
}

.info-card li {
    font-size: 14px;
    color: #555555;
    margin-bottom: 8px;
}

.deep-dive {
    background-color: #f8f9fa;
    padding: 60px 0;
    margin-top: 60px;
}

.deep-dive h2 {
    font-size: 40px;
    color: #222222;
    margin-bottom: 24px;
    text-align: center;
    font-weight: 700;
}

.deep-dive-intro {
    font-size: 20px;
    color: #555555;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    line-height: 1.6;
}

.deep-dive-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 40px;
}

.deep-dive p {
    font-size: 17px;
    color: #444444;
    line-height: 1.8;
    margin-bottom: 24px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.science-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.science-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.science-card h3 {
    font-size: 22px;
    color: #222222;
    margin-bottom: 12px;
    font-weight: 600;
}

.science-card p {
    font-size: 15px;
    color: #666666;
    line-height: 1.6;
}

footer {
    background-color: #1a1a1a;
    color: white;
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand h4 {
    font-size: 26px;
    margin-bottom: 16px;
    color: white;
    font-weight: 700;
}

.footer-brand p {
    font-size: 15px;
    color: #999999;
    line-height: 1.7;
    margin-bottom: 24px;
}

.contact-details {
    font-size: 14px;
    color: #999999;
    line-height: 2;
}

.footer-section h5 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: white;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 14px;
}

.footer-section a {
    color: #999999;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
}

.newsletter-form button {
    background-color: #2763e8;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.newsletter-form button:hover {
    background-color: #1a4fc4;
}

.footer-bottom {
    border-top: 1px solid #333333;
    padding-top: 30px;
    text-align: center;
    font-size: 13px;
    color: #666666;
}

.page-content {
    padding: 80px 0;
    max-width: 900px;
    margin: 0 auto;
}

.page-content h1 {
    font-size: 48px;
    color: #222222;
    margin-bottom: 40px;
    line-height: 1.2;
    font-weight: 700;
}

.page-content p {
    font-size: 17px;
    color: #444444;
    line-height: 1.8;
    margin-bottom: 24px;
}

.page-content h2 {
    font-size: 28px;
    color: #222222;
    margin-top: 48px;
    margin-bottom: 20px;
    font-weight: 600;
}

@media (max-width: 768px) {
    .content-stream {
        grid-template-columns: 1fr;
    }

    .content-block {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 36px;
    }

    nav {
        display: none;
    }

    .header-content {
        flex-wrap: wrap;
        gap: 16px;
    }
}