/* --- CSS Styles --- */
        :root {
            --bg-color: #0f172a;
            --card-bg: #1e293b;
            --text-main: #f8fafc;
            --text-dim: #94a3b8;
            --accent: #38bdf8;
            --transition: all 0.3s ease;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.6;
        }

        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        /* --- Hero Section --- */
        header {
            text-align: center;
            padding: 60px 0;
        }

        header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            letter-spacing: -0.025em;
        }

        header p {
            color: var(--accent);
            font-size: 1.2rem;
            font-weight: 500;
            margin-top: 0;
        }

        /* --- About Section --- */
        .about {
            margin-bottom: 60px;
            text-align: center;
        }

        .about p {
            font-size: 1.1rem;
            color: var(--text-dim);
            max-width: 600px;
            margin: 0 auto;
        }

        /* --- Projects/Skills Grid --- */
        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 60px;
        }

        .card {
            background: var(--card-bg);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid #334155;
            transition: var(--transition);
        }

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

        .card h3 {
            margin-top: 0;
            color: var(--accent);
        }

        /* --- Contact & Links --- */
        .contact {
            text-align: center;
            padding: 40px 0;
            border-top: 1px solid #334155;
        }

        .btn {
            display: inline-block;
            background-color: var(--accent);
            color: var(--bg-color);
            padding: 12px 24px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: bold;
            transition: var(--transition);
        }

        .btn:hover {
            opacity: 0.9;
            transform: scale(1.05);
        }

        .social-links {
            margin-top: 20px;
        }

        .social-links a {
            color: var(--text-dim);
            margin: 0 10px;
            text-decoration: none;
            font-size: 0.9rem;
        }

        .social-links a:hover {
            color: var(--text-main);
        }

        @media (max-width: 600px) {
            header h1 { font-size: 2rem; }
        }