:root {
    --bg-color: #0b0c10;
    --text-color: #c5c6c7;
    --accent-color: #66fcf1; /* High-tech Cyan */
    --card-bg: #1f2833;
    --font-main: 'Inter', sans-serif;
    --font-head: 'Space Grotesk', sans-serif;
}
body { margin: 0; background: var(--bg-color); color: var(--text-color); font-family: var(--font-main); line-height: 1.6; }
.container { max-width: 900px; margin: 0 auto; padding: 0 20px; }
nav { padding: 25px 0; border-bottom: 1px solid #1f2833; }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; color: #fff; }
.highlight { color: var(--accent-color); }
.menu { display: flex; gap: 25px; list-style: none; padding: 0; }
.menu a { color: var(--text-color); text-decoration: none; font-size: 0.9rem; }
.menu a:hover { color: var(--accent-color); }
.hero { padding: 100px 0; border-bottom: 1px solid #1f2833; }
.tag { background: rgba(102, 252, 241, 0.1); color: var(--accent-color); padding: 5px 10px; font-size: 0.75rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
h1 { font-family: var(--font-head); font-size: 3.5rem; margin: 25px 0; color: #fff; line-height: 1.1; }
.subtitle { font-size: 1.25rem; color: #888; max-width: 600px; }
.featured-post { padding: 80px 0; }
.post-meta { color: #666; font-size: 0.85rem; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 15px; }
h2 { font-family: var(--font-head); font-size: 2.2rem; margin: 0 0 20px 0; color: #fff; }
.read-more { display: inline-block; margin-top: 25px; color: var(--accent-color); text-decoration: none; font-weight: 700; border-bottom: 2px solid var(--accent-color); }
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-bottom: 100px; }
.card { background: var(--card-bg); padding: 35px; border-radius: 4px; transition: transform 0.2s; }
.card:hover { transform: translateY(-5px); }
h3 { font-family: var(--font-head); margin-top: 0; color: #fff; }
footer { border-top: 1px solid #1f2833; padding: 40px 0; text-align: center; font-size: 0.85rem; color: #444; }
@media (max-width: 600px) { h1 { font-size: 2.5rem; } .nav-wrapper { flex-direction: column; gap: 20px; } }