:root {
    /* Color Palette - Health & Nature Themed */
    --primary-color: #2E7D32; /* Forest Green */
    --primary-light: #4CAF50; /* Lighter Green */
    --accent-color: #81C784; /* Soft Green Accent */
    --text-dark: #1A1A1A; /* Near Black for Readability */
    --text-light: #555555; /* Soft Gray for Body */
    --bg-white: #FFFFFF;
    --bg-off-white: #F9F9F9; /* Very light gray for backgrounds */
    --bg-warm: #FFFDF5; /* Warm slight tint */
    --border-color: #E0E0E0;

    /* Typography */
    --font-heading: 'Outfit', 'Helvetica Neue', Arial, sans-serif;
    --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 48px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-off-white);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-light);
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-dark);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-warm), #e8f5e9);
    padding: 80px 0;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid Layout for Posts */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    height: 200px;
    background-color: var(--accent-color);
    width: 100%;
    object-fit: cover;
}

.card-content {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.card-excerpt {
    font-size: 0.95rem;
    color: var(--text-light);
}

.card-meta {
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
    color: #888;
}

/* Article Page */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-top: -40px; /* Overlap with hero if present */
    position: relative;
    z-index: 10;
}

.article-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.article-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
}

.article-content {
    font-size: 1.1rem;
    color: var(--text-dark);
}

.article-content p {
    margin-bottom: var(--spacing-md);
}

/* Footer */
footer {
    background-color: #2c3e50; /* Darker footer */
    color: #ecf0f1;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    display: block;
    margin-bottom: 8px;
    color: #bdc3c7;
}

.footer-links a:hover {
    color: #fff;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* In a real app we'd add a toggle */
    }
    
    .hero h1 {
        font-size: 2rem;
    }
}