/* ===== VARIÁVEIS E RESET DO PRIMEIRO CÓDIGO ===== */
        :root {
            --primary-color: #000000; /* Preto */
            --secondary-color: #333333; /* Cinza escuro */
            --accent-color: #ffffff; /* Branco */
            --accent-orange: #FF6B35; /* Laranja vibrante para CTAs */
            --accent-orange-light: #FF8E53; /* Laranja mais claro para hover */
            --accent-orange-dark: #E55A2B; /* Laranja mais escuro */
            --text-color: #333333;
            --light-gray: #f5f5f5;
            --medium-gray: #e0e0e0;
            --dark-gray: #222222;
            --font-primary: 'Montserrat', sans-serif;
            --font-secondary: 'Raleway', sans-serif;
            --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --box-shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.12);
            --box-shadow-orange: 0 5px 20px rgba(255, 107, 53, 0.3);
            --border-radius: 10px;
        }

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

        html {
            scroll-behavior: smooth;
            overflow-x: hidden;
            width: 100%;
        }

        body {
            font-family: var(--font-primary);
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
            width: 100%;
            position: relative;
            background-color: var(--accent-color);
            padding-top: 90px; /* Espaço para header fixo */
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-secondary);
            font-weight: 700;
            margin-bottom: 1.2rem;
            color: var(--dark-gray);
            line-height: 1.3;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .section {
            padding: 80px 0;
            width: 100%;
            overflow: hidden;
        }

        .section-title {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
            width: 100%;
        }

        .section-title h2 {
            font-size: 2.8rem;
            display: inline-block;
            position: relative;
            padding-bottom: 20px;
            color: var(--dark-gray);
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: var(--accent-orange);
            border-radius: 2px;
        }

        .btn {
            display: inline-block;
            padding: 15px 35px;
            background: var(--accent-orange);
            color: var(--accent-color);
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 0.95rem;
            position: relative;
            overflow: hidden;
            z-index: 1;
            box-shadow: var(--box-shadow-orange);
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0%;
            height: 100%;
            background: var(--accent-orange-dark);
            transition: var(--transition);
            z-index: -1;
        }

        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(255, 107, 53, 0.4);
        }

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

        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent-orange);
            color: var(--accent-orange);
            box-shadow: none;
        }

        .btn-outline:hover {
            background: var(--accent-orange);
            color: var(--accent-color);
        }

        /* ===== HEADER E NAVEGAÇÃO DO PRIMEIRO CÓDIGO ===== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            transition: var(--transition);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--medium-gray);
        }

        header.scrolled {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            padding: 5px 0;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            transition: var(--transition);
            width: 100%;
        }

        header.scrolled .navbar {
            padding: 10px 0;
        }

        .logo-container {
            display: flex;
            align-items: center;
        }

        .logo-img {
            width: 60px;
            height: 60px;
            margin-right: 15px;
            border-radius: 70px;
            transition: var(--transition);
        }

        header.scrolled .logo-img {
            width: 50px;
            height: 50px;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color);
            letter-spacing: -0.5px;
        }

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

        .nav-menu {
            display: flex;
        }

        .nav-item {
            margin-left: 30px;
            position: relative;
        }

        .nav-link {
            color: var(--primary-color);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 8px 0;
        }

        .nav-link:hover {
            color: var(--accent-orange);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-orange);
            transition: var(--transition);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .hamburger {
            display: none;
            cursor: pointer;
            background: none;
            border: none;
            padding: 5px;
        }

        .bar {
            display: block;
            width: 25px;
            height: 3px;
            margin: 5px auto;
            background-color: var(--primary-color);
            transition: var(--transition);
            border-radius: 2px;
        }

        /* ===== CONTEÚDO PRINCIPAL (ESTILO ATUALIZADO) ===== */
        main {
            padding: 40px 0;
        }

        .botoes-controle {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-bottom: 40px;
            width: 100%;
        }

        .botoes-controle button {
            background: var(--accent-orange);
            color: var(--accent-color);
            border: none;
            padding: 15px 25px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: var(--box-shadow-orange);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .botoes-controle button::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0%;
            height: 100%;
            background: var(--accent-orange-dark);
            transition: var(--transition);
            z-index: -1;
        }

        .botoes-controle button:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(255, 107, 53, 0.4);
        }

        .botoes-controle button:hover::before {
            width: 100%;
        }

        .controles {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 40px;
            align-items: center;
            justify-content: center;
            background: var(--accent-color);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            border: 1px solid var(--medium-gray);
            width: 100%;
        }

        .controles label {
            font-weight: 600;
            color: var(--dark-gray);
            font-family: var(--font-secondary);
            font-size: 1.1rem;
        }

        .controles select {
            padding: 15px 20px;
            border: 1px solid var(--medium-gray);
            border-radius: var(--border-radius);
            min-width: 200px;
            background-color: var(--accent-color);
            color: var(--text-color);
            font-family: var(--font-primary);
            font-size: 1rem;
            transition: var(--transition);
        }

        .controles select:focus {
            border-color: var(--accent-orange);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .conteudo-cifra {
            background-color: var(--accent-color);
            border: 1px solid var(--medium-gray);
            padding: 40px;
            border-radius: var(--border-radius);
            min-height: 400px;
            overflow: auto;
            box-shadow: var(--box-shadow);
            margin-bottom: 40px;
            width: 100%;
            transition: var(--transition);
        }

        .conteudo-cifra:hover {
            box-shadow: var(--box-shadow-hover);
        }

        #cifra {
            white-space: pre-wrap;
            font-family: 'Courier New', monospace;
            font-size: 1.2rem;
            line-height: 1.8;
            color: var(--text-color);
        }

        /* ===== RODAPÉ IGUAL AO CÓDIGO ANTERIOR ===== */
        footer {
            background-color: var(--primary-color);
            color: var(--accent-color);
            padding: 80px 0 30px;
            position: relative;
            width: 100%;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 50px;
            width: 100%;
        }

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

        .footer-column h3 {
            color: var(--accent-color);
            font-size: 1.4rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 15px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--accent-orange);
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            transition: var(--transition);
            color: rgba(255, 255, 255, 0.8);
        }

        .footer-links a:hover {
            color: var(--accent-orange);
            padding-left: 8px;
        }

        .footer-links i {
            margin-right: 10px;
            color: var(--accent-orange);
            width: 20px;
            text-align: center;
        }

        .copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            width: 100%;
        }

        /* ===== BOTÃO FLUTUANTE DE ROLAGEM PARA CIMA ===== */
        .scroll-to-top {
            position: fixed;
            bottom: 90px;
            right: 25px;
            width: 55px;
            height: 55px;
            background: var(--accent-orange);
            color: var(--accent-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: var(--box-shadow-orange);
            z-index: 999;
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            cursor: pointer;
        }

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

        .scroll-to-top:hover {
            transform: translateY(-5px);
            background-color: var(--accent-orange-dark);
            box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
        }

        /* ===== BOTÃO WHATSAPP ===== */
        .whatsapp-float {
            position: fixed;
            bottom: 20px;
            right: 21px;
            width: 65px;
            height: 65px;
            background-color: #25D366;
            color: var(--accent-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            z-index: 1000;
            transition: var(--transition);
            animation: pulse 2s infinite;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
            }
        }

        /* ===== DESTAQUES EM LARANJA ===== */
        .highlight-orange {
            color: var(--accent-orange);
            font-weight: 700;
        }

        /* ===== RESPONSIVIDADE DO PRIMEIRO CÓDIGO ===== */
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            
            .hamburger.active .bar:nth-child(2) {
                opacity: 0;
            }
            
            .hamburger.active .bar:nth-child(1) {
                transform: translateY(8px) rotate(45deg);
            }
            
            .hamburger.active .bar:nth-child(3) {
                transform: translateY(-8px) rotate(-45deg);
            }
            
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 90px;
                gap: 0;
                flex-direction: column;
                background-color: var(--accent-color);
                width: 100%;
                text-align: center;
                transition: 0.4s;
                padding: 30px 0;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
                z-index: 999;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-item {
                margin: 15px 0;
            }
            
            .section-title h2 {
                font-size: 2.2rem;
            }
            
            .conteudo-cifra {
                padding: 25px 20px;
            }
            
            #cifra {
                font-size: 1rem;
            }
            
            .controles {
                flex-direction: column;
                align-items: stretch;
            }
            
            .controles select {
                min-width: 100%;
            }
            
            .botoes-controle {
                flex-direction: column;
                align-items: center;
            }
            
            .botoes-controle button {
                width: 100%;
                justify-content: center;
            }
            
            body, html {
                overflow-x: hidden;
                width: 100%;
                position: relative;
            }
            
            .container {
                width: 100%;
                padding: 0 15px;
            }
            
            body {
                padding-top: 70px;
            }

            .footer-content {
                flex-direction: column;
                gap: 30px;
            }
        }

        @media (max-width: 576px) {
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .conteudo-cifra {
                padding: 20px 15px;
            }
            
            .whatsapp-float {
                width: 60px;
                height: 60px;
                bottom: 15px;
                right: 16px;
            }

            .scroll-to-top {
                width: 50px;
                height: 50px;
                bottom: 80px;
                right: 20px;
            }
        }