/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2D3250;
    --secondary-color: #424769;
    --accent-color: #F76E11;
    --text-color: #333;
    --light-bg: #F7F7F7;
    --white: #FFFFFF;
    --max-width: 1200px;
    --border-radius: 8px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

/* Navigation */
.main-nav {
    background-color: var(--white);
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--primary-color);
    color: var(--white);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Post Grid */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.post-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.post-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-content {
    padding: 1.5rem;
}

.read-more {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    margin-top: 1rem;
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.category-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-color);
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Utility Classes */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}