:root {
    --primary-color: #0056b3;
    --secondary-color: #ff8c00;
    --text-color: #333;
    --bg-color: #f8f9fa;
    --white: #ffffff;
    --gray-light: #e9ecef;
    --gray-dark: #6c757d;
    --container-width: 1100px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #003d80 100%);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 2rem;
}

/* Main Content Area */
main {
    padding: 3rem 0;
}

article {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

h1, h2, h3, h4 {
    margin-bottom: 1.5rem;
    color: #222;
}

h2 {
    border-left: 5px solid var(--secondary-color);
    padding-left: 15px;
    margin-top: 2rem;
}

p {
    margin-bottom: 1.2rem;
}

/* FAQ Accordion */
.faq-section {
    margin-top: 3rem;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-light);
    margin-bottom: 10px;
    border-radius: 5px;
    overflow: hidden;
}

.faq-question {
    padding: 15px 20px;
    cursor: pointer;
    font-weight: bold;
    background: var(--gray-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.2rem;
}

.faq-item.active .faq-question::after {
    content: '-';
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 15px 20px;
}

/* Footer */
footer {
    background: #222;
    color: #ccc;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: #ccc;
}

.footer-col ul li a:hover {
    color: var(--white);
}

.disclaimer-box {
    background: #333;
    padding: 1.5rem;
    border-radius: 5px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    font-size: 0.85rem;
}

/* Sidebar / Related Posts */
.related-posts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.post-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.post-card:hover {
    transform: translateY(-5px);
}

.post-card-content {
    padding: 1.5rem;
}

.post-card-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
}

.last-updated {
    font-style: italic;
    color: var(--gray-dark);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

table th, table td {
    border: 1px solid var(--gray-light);
    padding: 12px;
    text-align: left;
}

table th {
    background-color: var(--gray-light);
}