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

        body {
            background-color: #f2f2f2;
            font-family: Arial, Helvetica, sans-serif;
            color: #333;
        }
        /* Seção Init (Hero) */
        main #init {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 20, 0.8)), 
                        url("https://pub-d01583e509ba4cda80231ed81ff50eb7.r2.dev/img-p%C3%A1gina-ferramentas/fundo-ferramentas-.webp");    
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
            text-align: center;
            padding: 20px;
        }

        main #init #logo {
            height: 85px;
            margin-bottom: 30px;
            filter: drop-shadow(0 0 4px #000000);
        }

        main #init h1 {
            color: white;
            font-size: 38pt;
            font-weight: 700;
            margin-bottom: 15px;
            line-height: 1.2;
        }

        main #init h2 {
            color: #e0e0e0;
            font-size: 19px;
            font-weight: normal;
            max-width: 600px;
        }

        main #init #seta {
            width: 70px;
            margin-top: 50px;
            cursor: pointer;
            animation: subirDescerbotao 3s ease-in-out infinite;
        }

        /* Grid de Calculadoras */
        #tools-container {
            padding: 80px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: #1a1a1a;
            position: relative;
            padding-bottom: 15px;
        }

        .section-title h2::after {
            content: '';
            width: 60px;
            height: 4px;
            background-color: #ffa800;
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .tool-card {
            background-color: #ffffff;
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: 1px solid #e0e0e0;
            display: flex;
            flex-direction: column;
            align-items: center;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }

        .tool-card:hover {
            transform: translateY(-12px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
            border-color: #ffa800;
        }
        .tool-card:hover .card-icon {
            transform: scale(1.1);
        }

        .card-icon img {
            height: 80px;
            width: auto;
        }

        .tool-card h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: #222;
            font-weight: 700;
        }

        .tool-card p {
            font-size: 1rem;
            color: #666;
            margin-bottom: 25px;
            line-height: 1.6;
            flex-grow: 1;
        }

        .btn-acessar {
            display: inline-block;
            text-decoration: none;
            background-color: transparent;
            border: 2px solid #1a1a1a;
            color: #1a1a1a;
            padding: 12px 35px;
            border-radius: 30px;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .btn-acessar:hover {
            background-color: #1a1a1a;
            color: #fff;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }

        /* Footer simples */
        footer {
            background-color: #1a1a1a;
            color: white;
            padding: 40px 20px;
            text-align: center;
            font-size: 14px;
        }

        /* Animações */
        @keyframes subirDescerbotao {
            0% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0); }
        }

        /* Responsividade */
        @media (max-width: 768px) {
            main #init h1 {
                font-size: 30pt;
            }
            .card-grid {
                gap: 25px;
            }
        }

        @media (max-width: 470px) {
            main #init #logo {
                width: 70%;
                height: auto;
            }
            main #init h1 {
                font-size: 24pt;
            }
        }