:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-color: #58a6ff;
    /* Tech Blue */
    --accent-hover: #1f6feb;
    --border-color: #30363d;
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-code: 'Courier New', Courier, monospace;
}

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

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

a {
    text-decoration: none;
    color: var(--accent-color);
    transition: color 0.2s;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span {
    color: var(--accent-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
}

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

/* Hero */
.hero {
    background: linear-gradient(rgba(13, 17, 23, 0.8), rgba(13, 17, 23, 0.9)), url('assets/images/hero.png');
    background-size: cover;
    background-position: center;
    padding: 6rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

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

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Grid */
.articles-section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    display: inline-block;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.card-img {
    height: 180px;
    width: 100%;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card-category {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: block;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--accent-color);
    font-size: 0.9rem;
    transition: all 0.2s;
}

.btn:hover {
    background-color: var(--accent-color);
    color: #ffffff;
    border-color: var(--accent-color);
}

/* Article Page */
.article-container {
    max-width: 800px;
    margin: 4rem auto;
    padding: 0 20px;
}

.article-header {
    margin-bottom: 3rem;
    text-align: center;
}

.article-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.article-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.article-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-size: 1.8rem;
    color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

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

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content ul {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-image {
    width: 100%;
    border-radius: 8px;
    margin: 2rem 0;
    border: 1px solid var(--border-color);
}

.code-block {
    background-color: #000;
    padding: 1rem;
    border-radius: 6px;
    font-family: var(--font-code);
    font-size: 0.9rem;
    color: #a5d6ff;
    overflow-x: auto;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

/* Footer */
footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    margin-top: 4rem;
    text-align: center;
    color: var(--text-secondary);
}

.footer-links {
    margin-bottom: 1.5rem;
}

.footer-links a {
    margin: 0 10px;
    color: var(--text-secondary);
}

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

/* Privacy Page */
.privacy-content {
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-top: 2rem;
}