@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
    --primary-bg: #ffffff;
    --secondary-bg: #f8f9fa;
    --border-color: #dee2e6;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --accent-color: #007bff;
    --accent-hover: #0056b3;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header & Navigation */
.site-header {
    background-color: var(--primary-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
}

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

.site-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--accent-color);
}

/* Main Content Layout */
.main-content {
    padding: 3rem 0;
    flex-grow: 1;
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 992px) {
    .main-layout {
        grid-template-columns: 3fr 1fr;
    }
}

.page-intro {
    text-align: center;
    margin-bottom: 3rem;
}

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

.page-intro p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Blog Articles Section */
.articles-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.articles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.article-card {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.article-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.card-content h3 a {
    text-decoration: none;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.card-content h3 a:hover {
    color: var(--accent-color);
}

.card-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.read-more-btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease;
    align-self: flex-start;
}

.read-more-btn:hover {
    background-color: var(--accent-hover);
}

/* Sidebar */
.sidebar-widget {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.sidebar-widget h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.sidebar-widget ul {
    list-style: none;
}

.sidebar-widget ul li {
    margin-bottom: 0.75rem;
}

.sidebar-widget ul a {
    text-decoration: none;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.sidebar-widget ul a:hover {
    color: var(--accent-color);
}

.promo-text {
    background-color: var(--accent-color);
    color: #fff;
    text-align: center;
    font-weight: 600;
}

/* Article Page */
.article-full h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.article-meta {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.article-content {
    font-size: 1.1rem;
}

.article-content h2 {
    font-size: 2rem;
    margin: 2.5rem 0 1rem;
}

.article-content h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
}

.article-content p, .article-content ul, .article-content ol {
    margin-bottom: 1.5rem;
}

.article-content a {
    color: var(--accent-color);
    text-decoration: underline;
}

.article-content a:hover {
    color: var(--accent-hover);
}

.article-content ul, .article-content ol {
    padding-left: 2rem;
}

.cta-section {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-left: 5px solid var(--accent-color);
    padding: 2rem;
    margin: 2.5rem 0;
    border-radius: 8px;
}

.cta-section p {
    margin: 0;
}

/* Static Pages (About, Contact, etc.) */
.static-page-content {
    max-width: 800px;
    margin: 0 auto;
}

.static-page-content h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.static-page-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
    background-color: var(--text-primary);
    color: var(--secondary-bg);
    padding: 2rem 0;
    text-align: center;
    margin-top: auto;
}