:root {
    --primary: #0f172a;
    --secondary: #1e293b;
    --accent: #38bdf8;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --white: #ffffff;
}

body {
    background-color: var(--primary);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, sans-serif;
    margin: 0;
    line-height: 1.6;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 10%;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #334155;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: -1px;
}

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

.hero {
    padding: 100px 0;
    text-align: center;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    padding: 50px 0;
}

.card {
    background: var(--secondary);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
    border: 1px solid #334155;
    text-decoration: none;
    color: inherit;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
}

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

.card-body { padding: 1.5rem; }

.tag {
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    display: block;
}

footer {
    border-top: 1px solid #334155;
    padding: 3rem 0;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Article Styles */
.article-header { padding: 60px 0; max-width: 800px; margin: 0 auto; }
.article-content { max-width: 800px; margin: 0 auto; font-size: 1.1rem; }
.article-content img { width: 100%; border-radius: 12px; margin: 2rem 0; }