/* tira a margem de todos os elementos do site e inclui uma borda */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* corpo do site */
        body {
            font-family: 'Inter', sans-serif;
            background-color: #f5f5f7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px 20px;
        }

        .logo {
            width: 70px;
            height: 70px;
            background-color: #1a1f2e;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 10px;
        }

        .logo svg {
            width: 45px;
            height: 45px;
            fill: white;
        }

        /* titulo principal */
        h1 {
            font-size: 2.5rem;
            font-weight: 300;
            color: #1a1f2e;
            margin-bottom: 5px;
            text-align: center;
        }

        .subtitle {
            color: #86868b;
            font-size: 1rem;
            font-weight: 400;
            margin-bottom: 30px;
            text-align: center;
        }

        /* cards de informacao */
        .cards-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            max-width: 950px;
            width: 100%;
        }

        /* card da esquerda */
        .card {
            background: white;
            border-radius: 20px;
            padding: 40px;
            cursor: pointer; /* muda o cursor para a maozinha */
            transition: all 0.3s ease;  /* animacao de motion */
            border: 1px solid #e5e5e7;
        }

        /* motion em si. horizontal, vertical e o desfoque em px */
        .card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }

        /* card da direita */
        .card.dark {
            background: #1a1f2e;
            border: none;
            color: white;
        }

        .card.dark:hover {
            box-shadow: 0 20px 40px rgba(26, 31, 46, 0.3);
        }

        /* icone do card da esquerda */
        .card-icon {
            width: 40px;
            height: 40px;
            background: #1a1f2e;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
        }

        .card.dark .card-icon {
            background: white;
        }

        .card-icon svg {
            width: 30px;
            height: 30px;
            fill: white;
        }

        .card.dark .card-icon svg {
            fill: #1a1f2e;
        }

        /* css do titulo dos cards */
        .card h2 {
            font-size: 1.75rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: #1a1f2e;
        }

        /* titulo branco para o card escuro */
        .card.dark h2 {
            color: white;
        }

        /* texto descritivo do card branco */
        .card-description {
            color: #86868b;
            font-size: 1rem;
            line-height: 1.5;
            margin-bottom: 25px;
        }

        /* texto descritivo do card escuro */
        .card.dark .card-description {
            color: #b0b0b5;
        }

        .card-features {
            list-style: none;
            margin-bottom: 30px;
        }

        .card-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            color: #6e6e73;
            font-size: 0.95rem;
        }

        .card.dark .card-features li {
            color: #d1d1d6;
        }

        /* dimensoes dos icones */
        .card-features svg {
            width: 18px;
            height: 18px;
            fill: #6e6e73;
            flex-shrink: 0;
        }

        .card.dark .card-features svg {
            fill: #d1d1d6;
        }

        /* botao dentro dos cards */
        .card-button {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #1a1f2e;
            font-weight: 500;
            font-size: 1rem;
            text-decoration: none;
        }

        .card.dark .card-button {
            color: white;
        }

        /* configuracao da setinha do botao */
        .card-button svg {
            width: 16px;
            height: 16px;
            fill: currentColor;
            transition: transform 0.3s ease;
        }

        /* motion da setinha, a movendo 5px pra direita */
        .card:hover .card-button svg {
            transform: translateX(5px);
        }

        .footer {
            margin-top: 40px;
            color: #86868b;
            font-size: 0.9rem;
            text-align: center;
        }

        a.btn-servicos {
            position: fixed;
            top: 30px;
            right: 30px;
            background: white;
            color: #1a1f2e;
            padding: 12px 28px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            z-index: 1000;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: auto;
            height: auto;
        }

        a.btn-servicos:hover {
            background: #1a1f2e;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.15);
        }

        a.btn-servicos svg {
            width: 18px;
            height: 18px;
            fill: currentColor;
            flex-shrink: 0;
        }

        /* responsividade para tela igual ou menor a 768px */
        @media (max-width: 768px) {
            .cards-container {
                grid-template-columns: 1fr; /* esse bloco de cards container empilha os cards um abaixo do outro */
            }

            /* reduz o tamanho das fontes para ficar boa para o celular */
            h1 {
                font-size: 2.5rem;
            }

            .subtitle {
                font-size: 1rem;
            }

            .card {
                padding: 30px;
            }

        @media (max-width: 768px) {
            a.btn-servicos {
                top: 20px;
                right: 10px;
                padding: 5px 13px;
                font-size: 0.8rem;
            }
            
            a.btn-servicos svg {
                width: 14px;
                height: 14px;
            }
        }
        }