/* VARIÁVEIS CSS */
        :root {
            --primary-color: #9423ec;
            --primary-light: #ac53ff;
            --secondary-color: #19b8ff;
            --dark-bg: #080808;
            --dark-bg-light: #121212;
            --dark-bg-card: #1e1e1e;
            --text-light: #ffffff;
            --text-dim: #afafaf;
            --text-muted: #666666;
            --border-color: #333333;
            --shadow-color: rgba(0, 0, 0, 0.3);
        }

        /* RESET E BASE */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', sans-serif;
            background: var(--dark-bg);
            color: var(--text-light);
            line-height: 1.6;
        }

        .interface {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 4%;
        }

        .flex {
            display: flex;
        }

        /* HEADER */
        header {
            background: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

        header .interface {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 4%;
        }

        .logo img {
            height: 50px;
        }

        .menu-desktop ul {
            list-style: none;
            display: flex;
            gap: 40px;
        }

        .menu-desktop a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .menu-desktop a:hover {
            color: var(--primary-color);
        }

        .btn-contato button {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 25px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .btn-contato button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(148, 35, 236, 0.4);
        }

        /* MOBILE MENU */
        .btn-abrir-menu {
            display: none;
            cursor: pointer;
            font-size: 24px;
            color: var(--text-light);
        }

        .menu-mobile {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100vh;
            background: var(--dark-bg-light);
            padding: 60px 30px;
            transition: right 0.3s ease;
            z-index: 1001;
        }

        .menu-mobile.abrir {
            right: 0;
        }

        .btn-fechar {
            position: absolute;
            top: 20px;
            right: 20px;
            cursor: pointer;
            font-size: 24px;
            color: var(--text-light);
        }

        .menu-mobile ul {
            list-style: none;
            margin-top: 40px;
        }

        .menu-mobile li {
            margin-bottom: 20px;
        }

        .menu-mobile a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            font-size: 18px;
        }

        .overlay-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .overlay-menu.abrir {
            opacity: 1;
            visibility: visible;
        }

        /* HERO SECTION */
        .hero-portfolio {
            padding: 150px 0 100px;
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg-light) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-portfolio::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23333" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.1;
            z-index: 1;
        }

        .hero-portfolio .interface {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero-portfolio h1 {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-portfolio p {
            font-size: 20px;
            color: var(--text-dim);
            max-width: 600px;
            margin: 0 auto 40px;
        }

        .portfolio-stats {
            display: flex;
            justify-content: center;
            gap: 60px;
            margin-top: 40px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--secondary-color);
            display: block;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-dim);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* FILTROS */
        .portfolio-filters {
            background: var(--dark-bg-light);
            padding: 40px 0;
            position: sticky;
            top: 90px;
            z-index: 100;
            border-bottom: 1px solid var(--border-color);
        }

        .filter-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .filter-btn {
            background: transparent;
            border: 2px solid var(--border-color);
            color: var(--text-dim);
            padding: 12px 24px;
            border-radius: 25px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .filter-btn:hover,
        .filter-btn.active {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(148, 35, 236, 0.4);
        }

        /* PORTFOLIO GRID */
        .portfolio-content {
            padding: 80px 0;
        }

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            margin-top: 40px;
        }

        .portfolio-item {
            background: var(--dark-bg-card);
            border-radius: 20px;
            overflow: hidden;
            transition: all 0.4s ease;
            border: 1px solid var(--border-color);
            opacity: 1;
            transform: scale(1);
        }

        .portfolio-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
        }

        .portfolio-item.hidden {
            opacity: 0;
            transform: scale(0.8);
            pointer-events: none;
        }

        .project-image {
            width: 100%;
            height: 250px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .project-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, rgba(148, 35, 236, 0.8), rgba(25, 184, 255, 0.8));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .portfolio-item:hover .project-image::before {
            opacity: 1;
        }

        .project-info {
            padding: 30px;
        }

        .project-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
        }

        .project-description {
            color: var(--text-dim);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .project-tech {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 25px;
        }

        .tech-tag {
            background: rgba(148, 35, 236, 0.2);
            border: 1px solid var(--primary-color);
            color: var(--primary-color);
            padding: 6px 12px;
            border-radius: 15px;
            font-size: 12px;
            font-weight: 500;
        }

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

        .project-link {
            padding: 10px 20px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .link-demo {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
        }

        .link-demo:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(148, 35, 236, 0.4);
        }

        .link-github {
            background: transparent;
            color: var(--text-light);
            border: 2px solid var(--border-color);
        }

        .link-github:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
            transform: translateY(-2px);
        }

        /* LOADING ANIMATION */
        .loading {
            text-align: center;
            padding: 60px 0;
            color: var(--text-dim);
        }

        .loading-spinner {
            width: 40px;
            height: 40px;
            border: 4px solid var(--border-color);
            border-top: 4px solid var(--primary-color);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 20px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* FOOTER APRIMORADO */
        footer {
            padding: 80px 4% 40px;
            background: 
                radial-gradient(ellipse at top, rgba(148, 35, 236, 0.15) 0%, transparent 60%),
                linear-gradient(135deg, rgba(8, 8, 8, 1) 0%, rgba(15, 15, 15, 1) 50%, rgba(8, 8, 8, 1) 100%);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
        }

        /* Efeitos de fundo animados */
        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, 
                transparent 0%, 
                var(--primary-color) 20%, 
                var(--primary-light) 50%, 
                var(--primary-color) 80%, 
                transparent 100%);
            animation: shimmer 3s ease-in-out infinite;
        }

        footer::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: 
                radial-gradient(circle at 20% 80%, rgba(148, 35, 236, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(148, 35, 236, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(148, 35, 236, 0.05) 0%, transparent 50%);
            animation: float 15s ease-in-out infinite;
            pointer-events: none;
        }

        @keyframes shimmer {
            0%, 100% { opacity: 0.8; transform: translateX(-100px); }
            50% { opacity: 1; transform: translateX(100px); }
        }

        @keyframes float {
            0%, 100% { transform: rotate(0deg) translate(0px, 0px); }
            33% { transform: rotate(120deg) translate(30px, -30px); }
            66% { transform: rotate(240deg) translate(-30px, 30px); }
        }

        /* Container principal */
        footer .interface {
            position: relative;
            z-index: 2;
        }

        /* Primeira linha - Logo e descrição */
        footer .line-footer {
            padding: 30px 0;
        }

        footer .flex {
            flex-direction: row;
            justify-content: space-between;
            align-items: center;
            gap: 40px;
        }

        /* Logo aprimorada */
        .logo-footer {
            position: relative;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        .logo-footer::before {
            content: '';
            position: absolute;
            top: -20px;
            left: -20px;
            right: -20px;
            bottom: -20px;
            background: radial-gradient(circle, rgba(148, 35, 236, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            opacity: 0;
            transition: all 0.4s ease;
            z-index: -1;
        }

        .logo-footer:hover::before {
            opacity: 1;
            transform: scale(1.1);
        }

        .logo-footer:hover {
            transform: translateY(-10px) scale(1.05);
        }

        .logo-footer img {
            width: 60%;
            filter: 
                drop-shadow(0 0 10px rgba(148, 35, 236, 0.4))
                drop-shadow(0 0 20px rgba(148, 35, 236, 0.2));
            transition: all 0.4s ease;
        }

        .logo-footer:hover img {
            filter: 
                drop-shadow(0 0 15px rgba(148, 35, 236, 0.6))
                drop-shadow(0 0 30px rgba(148, 35, 236, 0.3))
                drop-shadow(0 0 45px rgba(148, 35, 236, 0.1));
        }

        /* Texto da descrição */
        .footer-description {
            font-size: 18px;
            color: var(--text-dim);
            max-width: 400px;
            line-height: 1.6;
            background: linear-gradient(135deg, var(--text-dim) 0%, var(--text-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
        }

        .footer-description::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 60px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-color), transparent);
            border-radius: 2px;
        }

        /* Seções com bordas aprimoradas */
        .borda {
            border-top: 1px solid rgba(148, 35, 236, 0.3);
            text-align: center;
            padding-top: 30px;
            position: relative;
            background: rgba(148, 35, 236, 0.02);
            backdrop-filter: blur(5px);
            border-radius: 0 0 15px 15px;
        }

        .borda::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
            box-shadow: 0 0 10px rgba(148, 35, 236, 0.5);
        }

        /* Contato aprimorado */
        .contact-section {
            background: linear-gradient(135deg, rgba(148, 35, 236, 0.05) 0%, rgba(148, 35, 236, 0.02) 100%);
            padding: 25px;
            border-radius: 15px;
            border: 1px solid rgba(148, 35, 236, 0.2);
            position: relative;
            overflow: hidden;
        }

        .contact-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(148, 35, 236, 0.1), transparent);
            transition: 0.8s;
        }

        .contact-section:hover::before {
            left: 100%;
        }

        footer .line-footer p {
            color: var(--text-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 16px;
            position: relative;
            z-index: 2;
        }

        footer .line-footer p i {
            color: var(--primary-color);
            font-size: 24px;
            transition: all 0.3s ease;
            filter: drop-shadow(0 0 5px rgba(148, 35, 236, 0.5));
        }

        .contact-section:hover p i {
            color: var(--primary-light);
            transform: scale(1.2);
            filter: drop-shadow(0 0 10px rgba(148, 35, 236, 0.8));
        }

        footer .line-footer p a {
            color: var(--text-dim);
            text-decoration: none;
            transition: all 0.3s ease;
            padding: 8px 15px;
            border-radius: 25px;
            position: relative;
            overflow: hidden;
        }

        footer .line-footer p a::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(148, 35, 236, 0.2), transparent);
            transition: 0.5s;
        }

        footer .line-footer p a:hover::before {
            left: 100%;
        }

        footer .line-footer p a:hover {
            color: var(--primary-light);
            text-decoration: none;
            background: rgba(148, 35, 236, 0.1);
            border: 1px solid rgba(148, 35, 236, 0.3);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(148, 35, 236, 0.3);
        }

        /* Copyright aprimorado */
        .copyright-section {
            background: rgba(0, 0, 0, 0.3);
            border-radius: 15px;
            border: 1px solid rgba(148, 35, 236, 0.15);
            padding: 20px;
            position: relative;
        }

        .copyright-section p {
            font-size: 14px;
            opacity: 0.8;
            transition: opacity 0.3s ease;
        }

        .copyright-section:hover p {
            opacity: 1;
        }

        .copyright-section a {
            color: var(--primary-color) !important;
            font-weight: 600;
            position: relative;
        }

        .copyright-section a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: width 0.3s ease;
        }

        .copyright-section a:hover::after {
            width: 100%;
        }

        /* RESPONSIVIDADE */
        @media screen and (max-width: 1024px) {
            .menu-desktop {
                display: none;
            }

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

            .hero-portfolio h1 {
                font-size: 36px;
            }

            .portfolio-stats {
                gap: 40px;
            }

            .portfolio-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            footer .flex {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }
        }

        @media screen and (max-width: 768px) {
            .hero-portfolio {
                padding: 120px 0 60px;
            }

            .hero-portfolio h1 {
                font-size: 28px;
            }

            .hero-portfolio p {
                font-size: 16px;
            }

            .portfolio-stats {
                flex-direction: column;
                gap: 30px;
            }

            .filter-buttons {
                gap: 10px;
            }

            .filter-btn {
                padding: 10px 16px;
                font-size: 12px;
            }

            .portfolio-grid {
                grid-template-columns: 1fr;
            }

            .project-info {
                padding: 20px;
            }

            .project-title {
                font-size: 20px;
            }

            .project-links {
                flex-direction: column;
                gap: 10px;
            }

            .project-link {
                justify-content: center;
            }

            footer {
                padding: 60px 4% 30px;
            }

            .footer-description {
                font-size: 16px;
                max-width: 100%;
            }
        }

        @media screen and (max-width: 480px) {
            .portfolio-filters {
                padding: 20px 0;
            }

            .portfolio-content {
                padding: 40px 0;
            }

            .portfolio-grid {
                gap: 20px;
            }

            footer {
                padding: 40px 4% 20px;
            }

            .logo-footer img {
                width: 80%;
            }
        }