/* Modern Medical Clinic Stylesheet */

:root {
    --primary-blue: #005bb7;
    --secondary-blue: #eef4fb;
    --accent-teal: #20c997;
    --text-dark: #2c3e50;
    --text-light: #546e7a;
    --border-color: #dbe3e8;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: #f4f7f9;
    margin: 0;
    padding: 0;
}

/* Navigation */
nav {
    background: var(--white);
    padding: 1rem 2rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav a {
    text-decoration: none;
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--accent-teal);
}

/* Layout Container */
article {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Header Section */
header {
    text-align: center;
    margin-bottom: 50px;
}

h1 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
    letter-spacing: -0.02em;
color: orange;
}

header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Content Sections (Cards) */
section {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.highlight-box {
    border-left: 6px solid var(--primary-blue);
    background-color: var(--secondary-blue);
}

h2 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-top: 0;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

h2::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 24px;
    background: var(--accent-teal);
    margin-right: 12px;
    border-radius: 4px;
}

/* Typography & Lists */
p {
    margin-bottom: 1.5rem;
}

ul, ol {
    padding-left: 20px;
}

li {
    margin-bottom: 12px;
}

strong {
    color: #1a252f;
}

.type-label {
    background: var(--secondary-blue);
    color: var(--primary-blue);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Source Tags */
.source-tag {
    display: block;
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--text-light);
    background: #f8f9fa;
    padding: 8px 15px;
    border-radius: 20px;
    width: fit-content;
}

/* Footer */
footer {
    padding: 60px 20px;
    background: #2c3e50;
    color: #cfd8dc;
    text-align: center;
    margin-top: 80px;
}

footer p {
    font-size: 0.85rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Responsive */
@media (max-width: 600px) {
    h1 { font-size: 1.8rem; }
    section { padding: 25px; }
}