:root {
            --primary-color: #000000;
            --secondary-color: #994828;
            --accent-color: #0099ff;
            --text-color: #eeeeeece;
            --text-muted: #aaaaaa;
            --card-bg: #121212;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        body {
            background-color: var(--primary-color);
            color: var(--text-color);
            font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header Transparente com Efeito ao Rolar */
        header {
            background-color: transparent;
            padding: 20px 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }

        header.scrolled {
            background-color: rgba(0, 0, 0, 0.95);
            padding: 15px 0;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-color);
            text-decoration: none;
            display: flex;
            align-items: center;
        }

        .logo span {
            color: var(--secondary-color);
        }

        /* Navigation */
        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li {
            margin-left: 30px;
            position: relative;
        }

        nav ul li a {
            color: var(--text-color);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            font-size: 16px;
            padding: 5px 0;
        }

        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }

        nav ul li a:hover::after,
        nav ul li a.active::after {
            width: 100%;
        }

        nav ul li a:hover {
            color: var(--secondary-color);
        }

        .menu-toggle {
            display: none;
            cursor: pointer;
            font-size: 24px;
            color: var(--text-color);
            z-index: 1001;
            transition: transform 0.3s;
        }

        .menu-toggle.active {
            transform: rotate(90deg);
        }

        /* Hero Section Melhorada */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(-45deg, #000000, #121212, #1a1a1a, #000000);
            background-size: 400% 400%;
            animation: gradientBG 15s ease infinite;
            padding: 100px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 50% 50%, rgba(153, 72, 40, 0.1) 0%, transparent 50%);
        }

        @keyframes gradientBG {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            width: 100%;
        }

        .hero-text {
            animation: fadeInUp 0.8s ease-out;
        }

        .hero-text h1 {
            color: #994828;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        .hero-text h1 span {
            color: var(--secondary-color);
            position: relative;
            display: inline-block;
        }

        .hero-text h1 span::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--secondary-color);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.5s ease;
        }

        .hero-text h1 span:hover::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        .hero-text p {
            font-size: 1.25rem;
            margin-bottom: 2.5rem;
            color: var(--text-muted);
            max-width: 90%;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--secondary-color);
            color: #000;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            position: relative;
            overflow: hidden;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: 0.5s;
        }

        .btn:hover::before {
            left: 100%;
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(153, 72, 40, 0.3);
        }

        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--secondary-color);
            color: var(--secondary-color);
        }

        .btn-outline:hover {
            background-color: var(--secondary-color);
            color: #000;
        }

        .hero-image {
            display: flex;
            justify-content: center;
            align-items: center;
            animation: fadeInRight 0.8s ease-out;
        }

        .hero-image img {
            max-width: 100%;
            border-radius: 20px;
            border: 3px solid var(--secondary-color);
            width: 500px;
            height: 500px;
            object-fit: cover;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.966);
            transition: var(--transition);
        }

        .hero-image img:hover {
            transform: scale(1.02);
            box-shadow: 0 0 40px rgba(153, 72, 40, 0.4);
        }

        /* About Section */
        .section {
            padding: 100px 0;
            background-color: var(--primary-color);
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--text-color);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--secondary-color);
            box-shadow: 0 0 15px var(--secondary-color);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--text-color);
        }

        .about-text p {
            margin-bottom: 15px;
            color: var(--text-muted);
            font-size: 1.1rem;
            line-height: 1.7;
        }

        .skills {
            margin-top: 30px;
        }

        .skills h4 {
            margin-bottom: 15px;
            font-size: 1.5rem;
            color: var(--text-color);
        }

        .skills-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .skill {
            background-color: var(--card-bg);
            color: var(--text-color);
            padding: 8px 15px;
            border-radius: 10px;
            font-size: 14px;
            border: 2px solid rgba(245, 227, 227, 0.712);
            transition: var(--transition);
        }

        .skill:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(153, 72, 40, 0.2);
        }

        .about-image {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .about-image img {
            max-width: 100%;
            border-radius: 20px;
            box-shadow: 0 0 30px rgba(0, 255, 136, 0.1);
        }

        /* Portfolio Section */
        .portfolio {
            background-color: var(--primary-color);
        }

        .portfolio-filter {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 40px;
            gap: 10px;
        }

        .filter-btn {
            padding: 8px 20px;
            background-color: transparent;
            border: 2px solid var(--text-color);
            color: var(--text-color);
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            font-size: 14px;
        }

        .filter-btn.active, .filter-btn:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            color: #000;
        }

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }

        .portfolio-item {
            background-color: var(--card-bg);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .portfolio-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(234, 236, 235, 0.753);
            border-color: var(--primary-color);
        }

        .portfolio-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .portfolio-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .portfolio-item:hover .portfolio-img img {
            transform: scale(1.1);
        }

        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: var(--transition);
        }

        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }

        .portfolio-info {
            padding: 20px;
        }

        .portfolio-info h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--text-color);
        }

        .portfolio-info p {
            margin-bottom: 15px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .portfolio-tech {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 15px;
        }

        .tech-tag {
            background-color: #121212;
            color: var(--text-color);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            border: 2px solid rgba(255, 255, 255, 0.781);
        }

        .portfolio-links {
            display: flex;
            gap: 10px;
        }

        .portfolio-links a {
            font-size: 14px;
            color: var(--text-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            transition: color 0.3s;
            padding: 5px 0;
        }

        .portfolio-links a:hover {
            color: var(--secondary-color);
        }

        .portfolio-links a i {
            margin-right: 5px;
        }

        /* Contact Section */
        .contact {
            text-align: center;
            background-color: var(--primary-color);
            padding: 100px 0;
        }

        .contact-info {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
        }

        .contact-card {
            background-color: var(--card-bg);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            width: 250px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .contact-card:hover {
            transform: translateY(-10px);
            border-color: var(--secondary-color);
        }

        .contact-card i {
            font-size: 30px;
            color: var(--secondary-color);
            margin-bottom: 15px;
        }

        .contact-card h3 {
            margin-bottom: 10px;
            color: var(--text-color);
            font-size: 18px;
        }

        .contact-card p, .contact-card a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            line-height: 1.6;
        }

        .contact-card a:hover {
            color: var(--secondary-color);
        }

        /* Footer */
        footer {
            background-color: #000;
            color: var(--text-color);
            padding: 50px 0 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col {
            flex: 1;
            min-width: 250px;
        }

        .footer-col h3 {
            font-size: 20px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--secondary-color);
        }

        .footer-col p {
            margin-bottom: 15px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.6;
        }

        .social-links {
            display: flex;
            gap: 15px;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: var(--text-color);
            transition: var(--transition);
            font-size: 18px;
        }

        .social-links a:hover {
            background-color: var(--text-color);
            color: #000;
            transform: translateY(-3px);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s;
            font-size: 15px;
        }

        .footer-links a:hover {
            color: var(--secondary-color);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-bottom p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--secondary-color);
            color: #000;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
            box-shadow: 0 0 20px rgba(231, 223, 223, 0.87);
        }

        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background-color: #d4ae98;
            transform: translateY(-5px);
        }

        /* Floating Contact Buttons */
        .floating-buttons {
            position: fixed;
            bottom: 30px;
            left: 30px;
            display: flex;
            flex-direction: column;
            gap: 15px;
            z-index: 998;
        }

        .floating-btn {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }

        .floating-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
        }

        .floating-btn.whatsapp {
            background-color: #25D366;
        }

        .floating-btn.linkedin {
            background-color: #0077B5;
        }

        /* Animações */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInRight {
            from {
                opacity: 0;
                transform: translateX(30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        /* Responsive Styles */
        @media (max-width: 1200px) {
            .hero-text h1 {
                font-size: 3rem;
            }
            
            .hero-image img {
                width: 350px;
                height: 350px;
            }
        }

        @media (max-width: 992px) {
            .hero-content,
            .about-content {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 60px;
            }
            
            .hero-text p {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            
            .hero-buttons {
                justify-content: center;
            }
            
            .hero-text h1 {
                font-size: 2.8rem;
            }
            
            .hero-image img {
                width: 320px;
                height: 320px;
            }
            
            .section {
                padding: 80px 0;
            }
        }

        @media (max-width: 768px) {
            header {
                padding: 15px 0;
            }
            
            .menu-toggle {
                display: block;
            }

            nav {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background-color: rgba(0, 0, 0, 0.95);
                display: flex;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                clip-path: circle(0% at 100% 0);
                transition: clip-path 0.6s ease-in-out;
                z-index: 999;
            }

            nav.active {
                clip-path: circle(150% at 100% 0);
            }

            nav ul {
                flex-direction: column;
                align-items: center;
                padding: 0;
            }

            nav ul li {
                margin: 15px 0;
            }
            
            nav ul li a {
                font-size: 20px;
            }

            .hero {
                padding: 100px 0 60px;
            }

            .hero-text {
                margin-bottom: 40px;
                margin-top: 40px;
            }

            .hero-buttons {
                display: flex;
                flex-direction: column;
                gap: 15px;
            }
            
            .btn-outline {
                margin-left: 0;
            }

            .section {
                padding: 60px 0;
            }

            .section-title h2 {
                font-size: 2rem;
            }
            
            .about-content {
                flex-direction: column;
            }

            .about-text {
                order: 2;
            }

            .about-image {
                order: 1;
                margin-bottom: 30px;
            }
            
            .portfolio-filter {
                gap: 8px;
            }
            
            .filter-btn {
                padding: 6px 15px;
                font-size: 13px;
            }
            
            .contact-card {
                width: 100%;
                max-width: 300px;
            }
            
            .floating-buttons {
                bottom: 20px;
                left: 20px;
            }
            
            .floating-btn {
                width: 50px;
                height: 50px;
                font-size: 20px;
            }
        }

        @media (max-width: 576px) {
            .container {
                width: 95%;
                padding: 0 15px;
            }
            
            .hero-text h1 {
                font-size: 2.2rem;
                margin-bottom: 15px;
            }

            .hero-text p {
                font-size: 1rem;
                margin-bottom: 25px;
            }
            
            .hero-image img {
                width: 280px;
                height: 280px;
            }
            
            .btn {
                padding: 10px 25px;
                width: 100%;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .section-title h2::after {
                width: 60px;
            }
            
            .portfolio-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .footer-content {
                flex-direction: column;
                gap: 30px;
            }
            
            .footer-col {
                min-width: 100%;
            }
        }
        
        @media (max-width: 400px) {
            .hero-text h1 {
                font-size: 2rem;
            }
            
            .hero-image img {
                width: 250px;
                height: 250px;
            }
            
            .section-title h2 {
                font-size: 1.6rem;
            }
            
            .filter-btn {
                font-size: 12px;
                padding: 5px 12px;
            }
        }

        /* Melhorias de acessibilidade */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        :focus-visible {
            outline: 2px solid var(--secondary-color);
            outline-offset: 2px;
        }