* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            background: #1f1f1f;
            color: #fff;
            line-height: 1.6;
        }

        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            padding: 30px 50px;
            background: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .header-content {
            max-width: 1600px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.2em;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        nav a {
            color: #fff;
            text-decoration: none;
            margin-left: 40px;
            font-size: 0.95em;
            transition: opacity 0.3s;
        }

        nav a:hover {
            opacity: 0.6;
        }

        main {
            margin-top: 100px;
            padding: 0 50px 100px;
        }

        .intro-section {
            max-width: 1200px;
            margin: 0 auto 120px;
            padding: 80px 0;
        }

        .intro-section h1 {
            font-size: 4em;
            line-height: 1.2;
            margin-bottom: 30px;
            font-weight: 300;
        }

        .intro-section p {
            font-size: 1.3em;
            color: #999;
            max-width: 800px;
            line-height: 1.6;
        }

        .grid {
            max-width: 1600px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
            gap: 3px;
        }

        .project-card {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            cursor: pointer;
            background: #1a1a1a;
        }

        .project-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.6s;
        }

        .project-card:hover .project-image {
            transform: scale(1.05);
            opacity: 0.7;
        }

        .project-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px;
            background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 100%);
            transform: translateY(20px);
            opacity: 0;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .project-card:hover .project-overlay {
            transform: translateY(0);
            opacity: 1;
        }

        .project-title {
            font-size: 1.8em;
            font-weight: 500;
            margin-bottom: 8px;
        }

        .project-category {
            font-size: 0.95em;
            color: #999;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .project-year {
            font-size: 0.9em;
            color: #666;
            margin-top: 10px;
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.95);
            z-index: 2000;
            overflow-y: auto;
            animation: fadeIn 0.3s;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .modal-content {
            max-width: 1200px;
            margin: 50px auto;
            padding: 60px;
        }

        .close-btn {
            position: fixed;
            top: 30px;
            right: 50px;
            font-size: 2.5em;
            cursor: pointer;
            color: #fff;
            z-index: 2001;
            transition: opacity 0.3s;
            font-weight: 300;
        }

        .close-btn:hover {
            opacity: 0.6;
        }

        .modal-image {
            width: 100%;
            height: auto;
            margin-bottom: 50px;
            border-radius: 4px;
        }

        .modal h2 {
            font-size: 3em;
            margin-bottom: 20px;
            font-weight: 400;
        }

        .modal-meta {
            display: flex;
            gap: 40px;
            margin-bottom: 40px;
            color: #999;
            font-size: 0.95em;
        }

        .modal p {
            font-size: 1.2em;
            line-height: 1.8;
            color: #ccc;
            margin-bottom: 20px;
        }

        .modal ul {
            list-style: none;
            margin: 30px 0;
        }

        .modal li {
            font-size: 1.1em;
            color: #999;
            padding: 10px 0;
            border-bottom: 1px solid #222;
        }

        .modal li:before {
            content: '—';
            margin-right: 15px;
            color: #666;
        }

        @media (max-width: 1200px) {
            .grid {
                grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            }
        }

        @media (max-width: 768px) {
            header, main {
                padding-left: 30px;
                padding-right: 30px;
            }

            .intro-section h1 {
                font-size: 2.5em;
            }

            .grid {
                grid-template-columns: 1fr;
                gap: 2px;
            }

            nav a {
                margin-left: 20px;
                font-size: 0.85em;
            }

            .close-btn {
                right: 30px;
            }

            .modal-content {
                padding: 40px 30px;
            }
        }

        .filter-tags {
            text-align: center;
            margin: 60px 0;
        }

        .filter-tag {
            display: inline-block;
            padding: 10px 25px;
            margin: 5px;
            background: transparent;
            border: 1px solid #333;
            color: #999;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.9em;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .filter-tag:hover,
        .filter-tag.active {
            background: #fff;
            color: #000;
            border-color: #fff;
        }

        .about-section {
            max-width: 900px;
            margin: 120px auto;
            padding: 60px;
            border-top: 1px solid #222;
            border-bottom: 1px solid #222;
        }

        .about-section h2 {
            font-size: 2.5em;
            margin-bottom: 30px;
            font-weight: 400;
        }

        .about-section p {
            font-size: 1.2em;
            line-height: 1.8;
            color: #999;
            margin-bottom: 20px;
        }