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

        body {
            font-family: 'Courier New', monospace;
            background: linear-gradient(to bottom right, #111827, #1f2937, #000);
            color: white;
            overflow-x: hidden;
        }

        #intro {
            position: fixed;
            inset: 0;
            z-index: 9999;
            background: black;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        #intro.hidden {
            display: none;
        }

        .terminal-window {
            width: 100%;
            max-width: 900px;
            height: 600px;
            background: #1f2937;
            border-radius: 8px;
            border: 1px solid #374151;
            box-shadow: 0 25px 50px rgba(0,0,0,0.5);
            overflow: hidden;
        }

        .terminal-header {
            background: #374151;
            padding: 12px 16px;
            border-bottom: 1px solid #4b5563;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .terminal-buttons {
            display: flex;
            gap: 8px;
        }

        .terminal-button {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .terminal-button.red { background: #ef4444; }
        .terminal-button.yellow { background: #eab308; }
        .terminal-button.green { background: #22c55e; }

        .terminal-title {
            color: #9ca3af;
            font-size: 14px;
            margin-left: 16px;
        }

        .terminal-content {
            padding: 24px;
            height: calc(100% - 50px);
            overflow-y: auto;
            font-size: 14px;
            line-height: 1.6;
        }

        .terminal-line {
            margin-bottom: 4px;
        }

        .command-prompt {
            color: #22c55e;
        }

        .command-text {
            color: white;
            margin-left: 8px;
        }

        .output-text {
            color: #d1d5db;
        }

        .cursor {
            display: inline-block;
            width: 8px;
            height: 16px;
            background: #22c55e;
            animation: blink 1s infinite;
            margin-left: 4px;
        }

        @keyframes blink {
            0%, 50% { opacity: 1; }
            51%, 100% { opacity: 0; }
        }

        #main-content {
            display: none;
        }

        #main-content.show {
            display: block;
            animation: fadeIn 0.5s ease-in;
        }

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

        nav {
            background: rgba(31, 41, 55, 0.5);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #374151;
            position: sticky;
            top: 0;
            z-index: 200;
        }

        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: bold;
        }

        .nav-links {
            display: flex;
            gap: 32px;
        }

        .nav-links button {
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            font-size: 16px;
            font-family: inherit;
            text-transform: capitalize;
            transition: color 0.3s;
        }

        .nav-links button:hover,
        .nav-links button.active {
            color: #22c55e;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 8px;
            width: 30px;
            height: 30px;
            position: relative;
            transition: all 0.3s;
        }

        .hamburger-line {
            width: 100%;
            height: 3px;
            background: white;
            position: absolute;
            left: 0;
            transition: all 0.3s ease;
        }

        .hamburger-line:nth-child(1) {
            top: 6px;
        }

        .hamburger-line:nth-child(2) {
            top: 13px;
        }

        .hamburger-line:nth-child(3) {
            top: 20px;
        }

        .mobile-menu-btn.active .hamburger-line:nth-child(1) {
            top: 13px;
            transform: rotate(45deg);
        }

        .mobile-menu-btn.active .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn.active .hamburger-line:nth-child(3) {
            top: 13px;
            transform: rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(20px);
            z-index: 250;
            padding: 80px 24px;
        }

        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            animation: fadeIn 0.3s ease;
        }

        .mobile-close-btn {
            position: fixed;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 8px;
            width: 40px;
            height: 40px;
            z-index: 300;
            display: none;
        }

        .mobile-menu.open ~ .mobile-close-btn {
            display: block;
        }

        .close-line {
            width: 100%;
            height: 3px;
            background: white;
            position: absolute;
            left: 0;
            top: 50%;
            transition: all 0.3s ease;
        }

        .close-line:nth-child(1) {
            transform: translateY(-50%) rotate(45deg);
        }

        .close-line:nth-child(2) {
            transform: translateY(-50%) rotate(-45deg);
        }

        .mobile-menu-links {
            display: flex;
            flex-direction: column;
            gap: 32px;
            text-align: center;
        }

        .mobile-menu-links button {
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            font-family: inherit;
            text-transform: capitalize;
            cursor: pointer;
            transition: color 0.3s;
        }

        .mobile-menu-links button:hover,
        .mobile-menu-links button.active {
            color: #22c55e;
        }

        .social-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .social-links a {
            color: white;
            transition: color 0.3s;
            display: flex;
            align-items: center;
        }

        .social-links a:hover {
            color: #22c55e;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .page {
            display: none;
            padding: 80px 24px;
            max-width: 1280px;
            margin: 0 auto;
        }

        .page.active {
            display: block;
        }

        .hero-box {
            background: #1f2937;
            border: 1px solid #374151;
            border-radius: 8px;
            padding: 48px;
            margin-bottom: 40px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: bold;
            margin-bottom: 16px;
        }

        .gradient-text {
            background: linear-gradient(to right, #22c55e, #3b82f6);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 20px;
            color: #d1d5db;
            margin-bottom: 24px;
        }

        .hero-description {
            color: #9ca3af;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 800px;
        }

        .button-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            padding: 12px 24px;
            border-radius: 6px;
            font-family: inherit;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .btn-primary {
            background: #22c55e;
            color: black;
            border: none;
        }

        .btn-primary:hover {
            background: #16a34a;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid #22c55e;
        }

        .btn-secondary:hover {
            background: rgba(34, 197, 94, 0.1);
        }

        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 36px;
            margin-bottom: 48px;
        }

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 24px;
        }

        .project-card {
            background: #1f2937;
            border: 1px solid #374151;
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .project-card:hover {
            border-color: #22c55e;
            transform: translateY(-4px);
        }

        .project-img {
    position: relative;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px; /* espaço interno para a imagem respirar */
    height: 180px; /* define uma altura fixa agradável */
    overflow: hidden;
}

.project-img img {
    width: 120px;      /* força largura fixa menor */
    height: auto;      /* mantém proporção */
    object-fit: contain;
    border-radius: 8px;
    display: block;
}

        .project-info {
            padding: 24px;
        }

        .project-title {
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 8px;
        }

        .project-title:hover {
            color: #22c55e;
        }

        .project-desc {
            color: #9ca3af;
            font-size: 14px;
            margin-bottom: 16px;
        }

        .project-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .tag {
            padding: 4px 12px;
            background: rgba(34, 197, 94, 0.1);
            border: 1px solid #374151;
            border-radius: 12px;
            font-size: 12px;
            color: #d1d5db;
        }

        .project-links {
            display: flex;
            gap: 16px;
        }

        .project-links a {
            color: #9ca3af;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .project-links a:hover {
            color: #22c55e;
        }

        .skills-box {
            background: #1f2937;
            border: 1px solid #374151;
            border-radius: 8px;
            padding: 32px;
        }

        .skill-item {
            margin-bottom: 24px;
        }

        .skill-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            color: #22c55e;
        }

        .skill-bar-bg {
            height: 8px;
            background: #374151;
            border-radius: 4px;
            overflow: hidden;
        }

        .skill-bar {
            height: 100%;
            background: linear-gradient(to right, #22c55e, #3b82f6);
            transition: width 1s ease-out;
        }

        .contact-box {
            background: #1f2937;
            border: 1px solid #374151;
            border-radius: 8px;
            padding: 32px;
            display: inline-block;
        }

        .contact-item {
            color: #9ca3af;
            margin-bottom: 8px;
        }

        .contact-label {
            color: #22c55e;
        }

        footer {
            border-top: 1px solid #374151;
            padding: 32px 24px;
            text-align: center;
            color: #6b7280;
            margin-top: 80px;
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .social-links {
                gap: 8px;
            }

            .social-links a svg {
                width: 18px;
                height: 18px;
            }
            
            .hero-title {
                font-size: 32px;
            }
            
            .projects-grid {
                grid-template-columns: 1fr;
            }

            .terminal-window {
                height: 500px;
            }

            .hero-box {
                padding: 32px 24px;
            }
        }