/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

/* --- CSS Variables --- */
:root {
    --font-family: 'Poppins', sans-serif;
    --primary-color: #ffffff;
    --secondary-color: #e0e0e0;
    --accent-color: #4a90e2;
    --text-color: #f0f0f0;
    --bg-color: #1a1a2e;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
    --blur-effect: blur(10px);
}

/* --- Base & Reset Styles --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    background-image: linear-gradient(135deg, #16222A 0%, #3A6073 100%);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--primary-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1rem; color: var(--secondary-color); }

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

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

/* --- Layout --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem 0;
}

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

/* --- Header & Navigation --- */
.site-header {
    background: var(--glass-bg);
    border-bottom: var(--glass-border);
    backdrop-filter: var(--blur-effect);
    -webkit-backdrop-filter: var(--blur-effect);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

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

.main-nav a {
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 1rem;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--primary-color);
    text-decoration: none;
}

/* --- Main Content & Glass Cards --- */
main {
    width: 100%;
}

.card {
    background: var(--glass-bg);
    border: var(--glass-border);
    backdrop-filter: var(--blur-effect);
    -webkit-backdrop-filter: var(--blur-effect);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

/* --- Blog Post Grid --- */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

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

.post-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.5rem;
}

.post-card h3 {
    margin-bottom: 0.5rem;
}

.post-card p {
    flex-grow: 1;
}

.read-more-btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.3s ease;
    margin-top: 1rem;
}

.read-more-btn:hover {
    background-color: #3a7ac8;
    color: var(--primary-color);
    text-decoration: none;
}

/* --- Sidebar --- */
.sidebar .widget {
    margin-bottom: 2rem;
}

.widget ul {
    list-style: none;
}

.widget ul li {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.widget ul li:last-child {
    border-bottom: none;
}

/* --- Article Page Specifics --- */
.article-header {
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.article-meta {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-top: -0.5rem;
    margin-bottom: 1.5rem;
}

.article-content h2, .article-content h3 {
    margin-top: 2rem;
}

.article-content ul {
    list-style-position: inside;
    padding-left: 1rem;
    margin-bottom: 1rem;
}

.cta-section {
    border-top: 2px solid var(--accent-color);
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    text-align: center;
}

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