:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --accent-color: #38bdf8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 20px 40px 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    background: linear-gradient(to right, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 15px;
}

.bio {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 30px auto;
}

.social-icons a {
    color: var(--text-color);
    font-size: 1.75rem;
    margin: 0 15px;
    transition: color 0.3s ease;
}

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

/* Hub Section */
h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: center;
}

.hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.hub-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-color);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #334155;
}

.hub-card i {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.hub-card:hover {
    transform: translateY(-5px);
}

.hub-card.tg:hover { box-shadow: 0 10px 20px rgba(34, 158, 217, 0.2); }
.hub-card.yt:hover { box-shadow: 0 10px 20px rgba(255, 0, 0, 0.2); }

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.project-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid #334155;
}

.project-card h3 {
    margin-bottom: 10px;
    color: var(--accent-color);
}

.project-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
    height: 60px;
    overflow: hidden;
}

.project-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9rem;
}

footer {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 0.9rem;
}