/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a4d7a;
    --secondary-color: #2c5f8d;
    --accent-color: #3b82c8;
    --text-dark: #2c3e50;
    --text-light: #5a6c7d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e1e8ed;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.12);
}

body {
    font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.site-header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo h1 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.logo h1 a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo h1 a:hover {
    color: var(--accent-color);
}

.tagline {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 400;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

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

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

.hero-content h2 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 4rem;
    align-items: start;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.about-text h2 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.about-text p a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.about-text p a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.website-link {
    margin-top: 2rem;
    font-size: 1.1rem;
}

.website-link a {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.website-link a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

.certifications {
    display: flex;
    gap: 1.5rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}

.certifications img {
    height: 80px;
    width: auto;
    object-fit: contain;
}

/* Blog Section */
.blog-section {
    padding: 5rem 0;
    background-color: var(--bg-white);
}

.section-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
    text-align: center;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
}

.blog-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.blog-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.blog-card-content {
    padding: 2rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

.blog-meta time {
    font-weight: 600;
}

.category {
    color: var(--accent-color);
    font-weight: 600;
}

.blog-card h3 {
    font-size: 1.4rem;
    line-height: 1.4;
    margin-bottom: 1rem;
}

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

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

.blog-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.read-more {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

/* Footer */
.site-footer {
    background-color: var(--primary-color);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-info p {
    opacity: 0.9;
    line-height: 1.6;
}

.footer-certifications ul {
    list-style: none;
    margin-top: 0.5rem;
}

.footer-certifications li {
    padding: 0.3rem 0;
    opacity: 0.9;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-image {
        max-width: 350px;
        margin: 0 auto;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .main-nav ul {
        gap: 1.5rem;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

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

    .certifications {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.4rem;
    }

    .main-nav ul {
        gap: 1rem;
    }

    .main-nav a {
        font-size: 0.9rem;
    }

    .certifications img {
        height: 60px;
    }
}

/* Article Page Styles */
.article-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 3rem 0;
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.95;
}

.article-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.3;
    max-width: 900px;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 20px;
}

.article-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.article-content h2 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.article-content h3 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-top: 2rem;
    margin-bottom: 0.8rem;
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--primary-color);
}