* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

      
        header h1 {
            font-size: 2.8rem;
            margin-bottom: 1px;
            font-weight: 700;
        }

        header p {
            font-size: 1.2rem;
            max-width: 80px;
            margin: 0 auto;
            opacity: 0.9;
        }

        nav {
            background-color;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        nav ul {
            list-style: none;
            display: flex;
            justify-content: center;
            gap: 10px;
        }

        nav ul li a {
            color: #ffd700;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s;
        }

        nav ul li a:hover {
            color: #fff;
        }

        .container {
            max-width: 1200px;
            margin: 40px auto;
            padding: 0 20px;
        }

        .section-title {
            text-align: center;
            margin-bottom: 2px;
            font-size: 2.2rem;
            color: #565555;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: #ffd700;
            margin: 5px auto 0;
            border-radius: 2px;
        }

        .portfolio-intro {
            text-align: center;
            max-width: 900px;
            margin: 0 auto 30px;
            font-size: 1.1rem;
            color: #555;
        }

        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 25px;
            margin-bottom: 60px;
        }

        .project-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }

        .project-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .project-info {
            padding: 20px;
        }

        .project-info h3 {
            color: #1a3d7c;
            margin-bottom: 10px;
            font-size: 1.4rem;
        }

        .project-info p {
            color: #666;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

        .project-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            background: #ffd700;
            color: #1a3d7c;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }


        @media (max-width: 768px) {
            header h1 { font-size: 2.2rem; }
            .gallery { grid-template-columns: 1fr; }
        }