/* ESTILOS EXCLUSIVOS DO MÓDULO 4 */
    .oferta-section {
        width: 100%;
        background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
        background-image: radial-gradient(circle at 0% 0%, rgba(253, 212, 40, 0.04) 0%, transparent 50%),
                          radial-gradient(circle at 100% 100%, rgba(253, 212, 40, 0.04) 0%, transparent 50%);
        padding: 80px 0;
        font-family: "Arimo", sans-serif;
        position: relative;
        overflow: hidden;
    }
    
    /* Efeito de linhas diagonais sutis */
    .oferta-section::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: repeating-linear-gradient(45deg, rgba(253,212,40,0.02) 0px, rgba(253,212,40,0.02) 2px, transparent 2px, transparent 10px);
        pointer-events: none;
        z-index: 0;
    }

    .oferta-container {
        width: 90%;
        max-width: 1400px;
        margin: 0 auto;
        position: relative;
        z-index: 2;
    }

    /* Cabeçalho da seção */
    .oferta-header {
        text-align: center;
        margin-bottom: 60px;
    }

    .oferta-badge {
        display: inline-block;
        background: rgba(253, 212, 40, 0.15);
        color: #FDD428;
        font-weight: 600;
        font-size: 0.9rem;
        letter-spacing: 2px;
        padding: 8px 20px;
        border-radius: 50px;
        margin-bottom: 20px;
        border: 1px solid rgba(253, 212, 40, 0.3);
        text-transform: uppercase;
    }

    .oferta-titulo {
        font-size: clamp(2rem, 4vw, 3.2rem);
        font-weight: 700;
        color: #FFF;
        line-height: 1.2;
        margin-bottom: 20px;
    }

    .oferta-titulo span {
        color: #FDD428;
        position: relative;
        display: inline-block;
    }

    .oferta-titulo span::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 100%;
        height: 3px;
        background: linear-gradient(90deg, transparent, #FDD428, transparent);
    }

    .oferta-subtitulo {
        font-size: 1.2rem;
        color: #CCC;
        max-width: 700px;
        margin: 0 auto;
        line-height: 1.8;
        opacity: 0.9;
    }

    /* Grid de cards - 4 colunas no desktop */
    .oferta-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 25px;
        margin: 50px 0;
    }

    /* Cards de oferta */
    .oferta-card {
        background: rgba(20, 20, 20, 0.7);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(253, 212, 40, 0.2);
        border-radius: 30px;
        padding: 40px 25px;
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
        position: relative;
        overflow: hidden;
    }

    .oferta-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 5px;
        background: linear-gradient(90deg, transparent, #FDD428, transparent);
        transform: translateX(-100%);
        transition: transform 0.6s ease;
    }

    .oferta-card:hover::before {
        transform: translateX(100%);
    }

    .oferta-card:hover {
        border-color: #FDD428;
        transform: translateY(-15px) scale(1.02);
        box-shadow: 0 30px 50px rgba(253, 212, 40, 0.2);
        background: rgba(30, 30, 30, 0.8);
    }

    /* Ícone do card */
    .card-icon {
        width: 90px;
        height: 90px;
        background: rgba(253, 212, 40, 0.1);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 25px;
        border: 2px solid rgba(253, 212, 40, 0.3);
        transition: all 0.3s ease;
    }

    .oferta-card:hover .card-icon {
        background: rgba(253, 212, 40, 0.2);
        border-color: #FDD428;
        transform: scale(1.1) rotate(5deg);
    }

    .card-icon img {
        width: 45px;
        height: 45px;
        filter: brightness(0) invert(1);
        transition: all 0.3s ease;
    }

    .oferta-card:hover .card-icon img {
        filter: brightness(0) saturate(100%) invert(76%) sepia(50%) saturate(1000%) hue-rotate(350deg) brightness(105%) contrast(105%);
    }

    /* Número indicador (3 alunos, etc) */
    .card-numero {
        font-size: 3rem;
        font-weight: 700;
        color: #FDD428;
        line-height: 1;
        margin-bottom: 10px;
    }

    .card-numero small {
        font-size: 1.2rem;
        font-weight: 400;
        color: #FFF;
        opacity: 0.7;
    }

    /* Título do card */
    .card-titulo {
        font-size: 1.5rem;
        font-weight: 700;
        color: #FFF;
        margin-bottom: 15px;
        position: relative;
        padding-bottom: 15px;
    }

    .card-titulo::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 50px;
        height: 2px;
        background: linear-gradient(90deg, transparent, #FDD428, transparent);
    }

    /* Descrição do card */
    .card-descricao {
        color: #CCC;
        font-size: 1rem;
        line-height: 1.6;
        margin: 0;
        opacity: 0.9;
    }

    /* Seção de texto complementar */
    .oferta-diferencial {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
        margin-top: 60px;
        padding: 40px;
        background: rgba(0, 0, 0, 0.3);
        border-radius: 50px;
        border: 1px solid rgba(253, 212, 40, 0.15);
        backdrop-filter: blur(5px);
    }

    .diferencial-item {
        display: flex;
        gap: 20px;
        align-items: flex-start;
    }

    .diferencial-icone {
        width: 60px;
        height: 60px;
        background: rgba(253, 212, 40, 0.1);
        border-radius: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        border: 1px solid rgba(253, 212, 40, 0.3);
    }

    .diferencial-icone img {
        width: 30px;
        height: 30px;
        filter: brightness(0) invert(1);
    }

    .diferencial-texto h4 {
        color: #FDD428;
        font-size: 1.3rem;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .diferencial-texto p {
        color: #CCC;
        font-size: 1rem;
        line-height: 1.6;
        margin: 0;
    }

    /* CTA final */
    .oferta-cta {
        text-align: center;
        margin-top: 50px;
    }

    .btn-oferta {
        display: inline-block;
        background: linear-gradient(135deg, #FDD428, #ff9900);
        color: #000 !important;
        font-weight: 700;
        font-size: 1.3rem;
        padding: 20px 50px;
        border-radius: 60px !important;
        text-decoration: none;
        text-transform: uppercase;
        letter-spacing: 2px;
        border: none;
        cursor: pointer;
        transition: all 0.3s ease;
        box-shadow: 0 10px 30px rgba(253, 212, 40, 0.4);
        border: 2px solid transparent;
    }

    .btn-oferta:hover {
        background: transparent;
        color: #FDD428 !important;
        border-color: #FDD428;
        transform: scale(1.05);
        box-shadow: 0 20px 40px rgba(253, 212, 40, 0.3);
    }

    /* Responsividade */
    @media screen and (max-width: 1024px) {
        .oferta-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        
        .oferta-diferencial {
            grid-template-columns: 1fr;
            gap: 30px;
        }
    }

    @media screen and (max-width: 768px) {
        .oferta-grid {
            grid-template-columns: 1fr;
            max-width: 400px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .oferta-diferencial {
            padding: 30px 20px;
        }
        
        .diferencial-item {
            flex-direction: column;
            text-align: center;
            align-items: center;
        }
        
        .btn-oferta {
            font-size: 1.1rem;
            padding: 15px 30px;
        }
    }

    @media screen and (max-width: 480px) {
        .card-numero {
            font-size: 2.5rem;
        }
        
        .card-titulo {
            font-size: 1.3rem;
        }
    }