/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

/* --- CSS Variables --- */
:root {
    --primary-color: #4CAF50; /* Fresh Green */
    --secondary-color: #8BC34A; /* Light Green */
    --accent-color: #FFC107; /* Amber for CTAs */
    --text-color: #333333;
    --light-text-color: #ffffff;
    --background-color: #F8F9FA;
    --card-background-color: #ffffff;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --font-family: 'Poppins', sans-serif;
}

/* --- Global Styles & Resets --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

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

a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

img {
    max-width: 100%;
    height: auto;
}

/* --- Header & Navigation --- */
.site-header {
    background-color: var(--card-background-color);
    box-shadow: 0 2px 4px var(--shadow-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
}

.site-title a {
    text-decoration: none;
    color: inherit;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

.main-nav a {
    text-decoration: none;
    font-weight: 600;
    padding: 5px 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

/* --- Main Layout --- */
.main-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 30px;
}

.main-content {
    grid-column: 1 / -1;
}

.sidebar {
    grid-column: 1 / -1;
}

@media (min-width: 992px) {
    .main-layout {
        grid-template-columns: 3fr 1fr;
    }
    .main-content {
        grid-column: 1 / 2;
    }
    .sidebar {
        grid-column: 2 / 3;
    }
}

/* --- Hero/Intro Section --- */
.intro-section {
    background-color: var(--card-background-color);
    padding: 40px;
    border-radius: 8px;
    margin-bottom: 30px;
    text-align: center;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.intro-section h1 {
    color: var(--primary-color);
}

/* --- Articles Grid --- */
.articles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

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

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

.article-card {
    background-color: var(--card-background-color);
    border-radius: 8px;
    box-shadow: 0 4px 8px var(--shadow-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px var(--shadow-color);
}

.card-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.card-content p {
    flex-grow: 1;
    margin-bottom: 1rem;
}

.read-more-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-text-color);
    padding: 10px 15px;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.read-more-btn:hover {
    background-color: var(--secondary-color);
    color: var(--light-text-color);
    text-decoration: none;
}

/* --- Single Article Page --- */
.article-full {
    background-color: var(--card-background-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.article-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.article-meta {
    font-size: 0.9rem;
    color: #6c757d;
    margin-top: -0.5rem;
    margin-bottom: 1rem;
}

.article-content h2, .article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.article-content p {
    margin-bottom: 1rem;
}

.article-content ul, .article-content ol {
    margin-bottom: 1rem;
    padding-left: 20px;
}

.cta-section {
    background-color: #e8f5e9; /* Light green background */
    border-left: 5px solid var(--primary-color);
    padding: 20px;
    margin: 2rem 0;
    border-radius: 5px;
}

/* --- Sidebar --- */
.widget {
    background-color: var(--card-background-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    margin-bottom: 20px;
}

.widget-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.widget ul {
    list-style: none;
}

.widget ul li {
    margin-bottom: 0.5rem;
}

.widget ul a {
    text-decoration: none;
}

/* --- Footer --- */
.site-footer {
    background-color: #333;
    color: var(--light-text-color);
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

.footer-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--light-text-color);
}

.footer-links a:hover {
    color: var(--secondary-color);
}

/* --- Contact Form --- */
.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: var(--font-family);
}

.contact-form button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-text-color);
    padding: 12px 20px;
    border-radius: 5px;
    border: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.contact-form button:hover {
    background-color: var(--secondary-color);
}