.knowledge-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6fa87c 100%);
    padding: 80px 0;
    text-align: center;
    color: var(--white);
    margin-bottom: 1.0rem;
}

.knowledge-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}   

.knowledge-hero p {
    font-size: 1.3rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.knowledge-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    margin-bottom: 1rem;
}

.knowledge-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.knowledge-card:nth-child(even) {
    direction: rtl;
}

.knowledge-card:nth-child(even) > * {
    direction: ltr;
}

.knowledge-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.knowledge-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: 15px;
}

.knowledge-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.knowledge-content {
    padding: 2.5rem;
}

.knowledge-content h2 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.knowledge-content p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.knowledge-highlights {
    background: #f5f5f5;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1.5rem 0;
    border-left: 4px solid var(--primary-color);
}

.knowledge-highlights h4 {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.knowledge-highlights ul {
    list-style: none;
    padding: 0;
}

.knowledge-highlights li {
    color: var(--text-light);
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

.knowledge-highlights li:before {
    content: "✓ ";
    color: var(--primary-color);
    font-weight: 700;
    margin-right: 0.5rem;
}

.btn-comprar {
    display: inline-block;
    background-color: #25D366;
    color: var(--white);
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    border: none;
    cursor: pointer;
    display: inline-block;
    margin-top: 1rem;
}

.btn-comprar:hover {
    background-color: #1da851;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* Featured Card - Premium Destaque */
.featured-card {
    position: relative;
    border: 2px solid #D4AF37;
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.3), 0 12px 50px rgba(212, 175, 55, 0.2);
    transform: scale(1.02);
}

.featured-card:hover {
    box-shadow: 0 0 35px rgba(212, 175, 55, 0.5), 0 16px 60px rgba(212, 175, 55, 0.3);
    transform: scale(1.03) translateY(-8px);
    border-color: #FFD700;
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: 20px;
    background: linear-gradient(135deg, #D4AF37 0%, #FFD700 100%);
    color: #1a1a1a;
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    z-index: 10;
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
    letter-spacing: 0.5px;
}

/* Estilos específicos para o card featured - Aula Completa */
.featured-card .knowledge-highlights {
    border-left: 4px solid #D4AF37;
}

.featured-card .knowledge-highlights li:before {
    color: #D4AF37;
}

.featured-card .btn-comprar {
    background-color: #D4AF37;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.featured-card .btn-comprar:hover {
    background-color: #B8860B;
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

/* Testimonials Videos Carousel */
.testimonials-section {
    padding: 4rem 0;
    background: #f9f9f9;
}

.testimonials-header {
    text-align: center;
    margin-bottom: 3rem;
}

.testimonials-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.testimonials-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.carousel-wrapper {
    position: relative;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.carousel-video-section {
    position: relative;
}

.cinema-frame {
    border: 25px solid #1a1a1a;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 
        0 0 0 8px #2a2a2a,
        0 0 0 10px #1a1a1a,
        0 20px 60px rgba(0, 0, 0, 0.3),
        inset 0 0 20px rgba(0, 0, 0, 0.5);
    background: #000;
    position: relative;
}

.cinema-frame::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.1), transparent);
    z-index: 2;
}

.carousel-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #000;
}

.carousel-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.carousel-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.testimonial-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    height: 100%;
}

.testimonial-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.testimonial-profession {
    font-size: 0.95rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.testimonial-stars {
    display: flex;
    gap: 0.3rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.testimonial-stars .star {
    color: #ffc107;
    text-shadow: 0 2px 8px rgba(255, 193, 7, 0.4);
}

.testimonial-description {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
    font-style: italic;
    position: relative;
    padding: 0 1.5rem;
}

.testimonial-description::before {
    content: '"';
    position: absolute;
    left: 0;
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: bold;
    line-height: 1;
}

.testimonial-description::after {
    content: '"';
    position: absolute;
    right: 0;
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: bold;
    line-height: 1;
}

.carousel-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    gap: 1rem;
    grid-column: 1;
}

.carousel-nav-button {
    background: var(--primary-color);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(47, 168, 104, 0.3);
}

.carousel-nav-button:hover {
    background-color: #1da851;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(47, 168, 104, 0.4);
}

.carousel-nav-button:active {
    transform: scale(0.95);
}

.carousel-indicators {
    flex: 1;
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #d0d0d0;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.indicator.active {
    background: var(--primary-color);
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(47, 168, 104, 0.5);
}

.indicator:hover {
    background: #a0a0a0;
}

.carousel-counter {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
}

@media (max-width: 1024px) {
    .carousel-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .testimonial-info {
        order: 2;
    }

    .carousel-video-section {
        order: 1;
    }

    .carousel-controls {
        grid-column: 1;
    }
}

@media (max-width: 768px) {
    .cinema-frame {
        border-width: 15px;
    }

    .carousel-wrapper {
        padding: 0 1rem;
    }

    .testimonial-info {
        padding: 1.5rem;
    }

    .testimonial-name {
        font-size: 1.5rem;
    }

    .testimonial-stars {
        font-size: 1.2rem;
    }

    .testimonials-header h2 {
        font-size: 2rem;
    }

    .carousel-nav-button {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }

    .testimonials-section {
        padding: 2rem 0;
    }

    .knowledge-card {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .knowledge-card:nth-child(even) {
        direction: ltr;
    }

    .knowledge-content {
        padding: 1.5rem;
    }

    .knowledge-content h2 {
        font-size: 1.5rem;
    }

    .knowledge-hero h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .cinema-frame {
        border-width: 12px;
    }

    .carousel-wrapper {
        padding: 0;
        gap: 1rem;
    }

    .testimonial-info {
        padding: 1rem;
        border-radius: 10px;
    }

    .testimonial-name {
        font-size: 1.2rem;
    }

    .testimonial-stars {
        font-size: 1rem;
        margin-bottom: 1rem;
    }

    .testimonial-description {
        font-size: 0.9rem;
    }

    .carousel-nav-button {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .carousel-counter {
        font-size: 0.85rem;
    }
}