/* Professional Medical Branding */
    :root {
        --md-primary: #0f172a;   /* Slate Blue - Authority */
        --md-accent: #b45309;    /* Amber - Caution/Warning */
        --md-safe: #047857;      /* Emerald - Safety */
        --md-bg-light: #f8fafc;
        --md-border: #e2e8f0;
        --md-text: #334155;
    }

    .md-container {
        font-family: Arial, sans-serif;
        line-height: 1.8;
        color: var(--md-text);
        max-width: 1920px;
        margin: 0 auto;
        padding: 0;
        background: #ffffff;
    }

    /* Typography */
    h1 { font-size: 2.2rem; color: var(--md-primary); text-align: center; line-height: 1.3; margin: 50px 0; border-bottom: 2px solid var(--md-border); padding-bottom: 30px; }
    h2 { font-size: 1.7rem; color: var(--md-primary); margin-top: 45px; padding-bottom: 10px; border-bottom: 1px solid var(--md-border); }
    h3 { font-size: 1.3rem; color: var(--md-accent); margin-top: 30px; font-weight: bold; }

    p { margin-bottom: 20px; text-align: justify; }

    /* Alert / Safety Box */
    .md-alert {
        background: #fffbeb;
        border-left: 5px solid var(--md-accent);
        padding: 25px;
        margin: 30px 0;
        border-radius: 4px;
        font-style: italic;
    }

    .md-safe-zone {
        background: #ecfdf5;
        border-left: 5px solid var(--md-safe);
        padding: 25px;
        margin: 30px 0;
        border-radius: 4px;
    }

    /* Comparison Section */
    .md-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        margin: 30px 0;
    }

    .md-grid-item {
        padding: 20px;
        border: 1px solid var(--md-border);
        border-radius: 8px;
    }

    /* Images */
    .md-img-wrapper {
        margin: 40px 0;
        text-align: center;
    }

    .md-img-wrapper img {
        max-width: 100%;
        height: auto;
        border-radius: 4px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    }

    .md-caption {
        font-size: 0.9rem;
        color: #64748b;
        margin-top: 15px;
        display: block;
    }

    /* Author Box */
    .md-author-box {
        margin-top: 60px;
        padding: 30px;
        background: var(--md-bg-light);
        border: 1px solid var(--md-border);
        border-radius: 8px;
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .md-author-info {
        font-size: 0.95rem;
    }

    .md-author-name {
        font-weight: bold;
        color: var(--md-primary);
        font-size: 1.1rem;
        display: block;
    }

    /* CTA Button */
    .md-cta-wrap {
        text-align: center;
        padding: 60px 0;
    }

    .md-btn {
        background-color: var(--md-primary);
        color: #ffffff;
        padding: 20px 45px;
        text-decoration: none;
        font-size: 1.2rem;
        font-weight: bold;
        border-radius: 50px;
        display: inline-block;
        transition: all 0.3s ease;
        box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.2);
    }

    .md-btn:hover {
        background-color: #1e293b;
        transform: translateY(-2px);
    }

    /* Responsive */
    @media (max-width: 768px) {
        .md-grid { grid-template-columns: 1fr; }
        h1 { font-size: 1.8rem; }
    }