:root {
            --bg-body: #0a0c10;
            --bg-card: #12161f;
            --bg-card-hover: #181e2a;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(16, 185, 129, 0.3);
            --text-primary: #f3f4f6;
            --text-secondary: #9ca3af;
            --text-muted: #6b7280;
            --accent-emerald: #10b981;
            --accent-emerald-soft: rgba(16, 185, 129, 0.1);
            --accent-indigo: #818cf8;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-body);
            color: var(--text-primary);
            font-family: var(--font-sans);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            padding-bottom: 5rem;
        }

        header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 12, 16, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
        }

        nav {
            max-width: 1100px;
            margin: 0 auto;
            padding: 1.2rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .brand {
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .brand-dot {
            width: 8px;
            height: 8px;
            background-color: var(--accent-emerald);
            border-radius: 50%;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.2s ease;
        }

        .nav-links a:hover {
            color: var(--accent-emerald);
        }

        .nav-links a:focus-visible,
        .brand:focus-visible,
        .btn:focus-visible,
        .contact-link:focus-visible,
        .menu-toggle:focus-visible {
            outline: 2px solid var(--accent-emerald);
            outline-offset: 4px;
        }

        .menu-toggle {
            display: none;
            align-items: center;
            gap: 0.65rem;
            padding: 0.5rem 0.65rem;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: 6px;
            font: inherit;
            cursor: pointer;
        }

        .menu-toggle-icon {
            display: grid;
            gap: 4px;
        }

        .menu-toggle-icon span {
            display: block;
            width: 18px;
            height: 2px;
            background-color: var(--text-primary);
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .hero {
            padding: 6rem 0 4rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.35rem 0.85rem;
            background-color: var(--accent-emerald-soft);
            border: 1px solid rgba(16, 185, 129, 0.2);
            border-radius: 9999px;
            color: var(--accent-emerald);
            font-size: 0.825rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            font-family: var(--font-mono);
        }

        .hero h1 {
            font-size: 3.25rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 1.25rem;
            color: #ffffff;
        }

        .hero h1 span {
            color: var(--text-secondary);
            font-weight: 400;
            display: block;
            font-size: 2rem;
            margin-top: 0.25rem;
        }

        .hero-bio {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 780px;
            margin-bottom: 2.5rem;
            font-weight: 400;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-size: 0.925rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
            border: none;
        }

        .btn-emerald {
            background-color: var(--accent-emerald);
            color: #042f22;
        }

        .btn-emerald:hover {
            background-color: #34d399;
            transform: translateY(-1px);
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-subtle);
        }

        .btn-ghost:hover {
            border-color: var(--text-secondary);
            background-color: rgba(255, 255, 255, 0.03);
        }

        section {
            padding: 4rem 0;
            border-top: 1px solid var(--border-subtle);
        }

        .section-head {
            margin-bottom: 2.5rem;
        }

        .section-label {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--accent-emerald);
            margin-bottom: 0.5rem;
            display: block;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 1.5rem;
        }

        .skill-group {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 1.75rem;
            transition: border-color 0.2s ease, transform 0.2s ease;
        }

        .skill-group:hover {
            border-color: var(--border-highlight);
            transform: translateY(-2px);
        }

        .skill-group-title {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #ffffff;
        }

        .skill-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .pill {
            font-size: 0.825rem;
            padding: 0.3rem 0.7rem;
            background-color: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: 6px;
            color: var(--text-secondary);
        }

        .pill.highlight {
            border-color: rgba(16, 185, 129, 0.3);
            color: var(--text-primary);
        }

        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .timeline-card {
            display: grid;
            grid-template-columns: 180px 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid var(--border-subtle);
        }

        .timeline-card:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .timeline-period {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--accent-emerald);
            font-weight: 500;
        }

        .timeline-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }

        .timeline-company {
            color: var(--accent-indigo);
            font-size: 0.95rem;
            font-weight: 500;
            margin-bottom: 0.75rem;
        }

        .timeline-body {
            color: var(--text-secondary);
            font-size: 0.975rem;
            line-height: 1.6;
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 1.5rem;
        }

        .case-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .case-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: #ffffff;
        }

        .case-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }

        .game-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 16px;
            padding: 2.5rem;
            text-align: center;
        }

        .game-viewport {
            width: 100%;
            height: 520px;
            background-color: #05070a;
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            margin: 1.5rem 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
        }

        footer {
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-subtle);
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.875rem;
        }

        .hero--first { border-top: none; }

        .game-iframe { border: none; }

        .game-controls { font-size: 0.875rem; color: var(--text-muted); }

        .game-open { margin-top: 1rem; }

        .contact-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 2rem;
        }

        .contact-intro {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
        }

        .contact-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1rem;
        }

        .contact-link {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
            padding: 1rem;
            color: var(--text-primary);
            text-decoration: none;
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            transition: border-color 0.2s ease, background-color 0.2s ease;
        }

        .contact-link:hover {
            border-color: var(--border-highlight);
            background-color: var(--bg-card-hover);
        }

        .contact-link-label {
            color: var(--accent-emerald);
            font-family: var(--font-mono);
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        footer .container { padding: 0; display: flex; justify-content: space-between; width: 100%; }

        @media (max-width: 768px) {
            .hero h1 { font-size: 2.25rem; }
            .hero h1 span { font-size: 1.5rem; }
            .timeline-card { grid-template-columns: 1fr; gap: 0.5rem; }
            .menu-toggle { display: inline-flex; }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 0.75rem 1.5rem 1rem;
                flex-direction: column;
                gap: 0;
                background: rgba(10, 12, 16, 0.98);
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links--open { display: flex; }
            .nav-links li { border-bottom: 1px solid var(--border-subtle); }
            .nav-links li:last-child { border-bottom: none; }
            .nav-links a { display: block; padding: 0.7rem 0; }
            .game-viewport { height: 320px; }
            footer { flex-direction: column; gap: 1rem; text-align: center; }
        }