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

:root {
    --red-primary: #4caf50;
    --red-hover: #45a049;
    --gray-light: #f7f7f7;
    --text-dark: #222;
    --text-gray: #666;
    --green: #4caf50;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

main {
    max-width: 100%;
    margin: 0 auto;
}

section {
    padding: 40px 20px;
}

h1 {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-dark);
}

h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.hero {
    text-align: center;
    padding-top: 30px;
}

.subtitle {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.description {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 24px;
    line-height: 1.5;
}

.btn-primary {
    display: inline-block;
    background-color: var(--red-primary);
    color: #fff;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 12px rgba(229, 57, 53, 0.3);
}

.btn-primary:hover {
    background-color: var(--red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(229, 57, 53, 0.4);
}

.video-placeholder {
    position: relative;
    margin-top: 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    background-color: #000;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-placeholder img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.play-icon .material-icons {
    font-size: 64px;
    color: rgba(255, 255, 255, 0.95);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    cursor: pointer;
    transition: transform 0.3s ease;
}

.play-icon .material-icons:hover {
    transform: scale(1.1);
}

.benefits {
    background-color: var(--gray-light);
}

.benefits-list {
    list-style: none;
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 24px;
    gap: 12px;
}

.benefits-list .material-icons {
    color: var(--red-primary);
    font-size: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.benefits-list strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.benefits-list p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.5;
}

.video-section {
    text-align: center;
}

.carousel-container {
    position: relative;
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    background-color: #000;
    aspect-ratio: 16 / 9;
    width: 100%;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
    width: 100%;
    height: 100%;
    background-color: #000;
}

.carousel-slide {
    width: 100%;
    height: 100%;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    background-color: #000;
}

.carousel-slide img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background-color: rgba(0, 0, 0, 0.7);
}

.carousel-btn.prev {
    left: 12px;
}

.carousel-btn.next {
    right: 12px;
}

.carousel-btn .material-icons {
    font-size: 32px;
}

.carousel-indicators {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.indicator:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

.indicator.active {
    background-color: #fff;
    transform: scale(1.2);
}

.testimonials {
    background-color: var(--gray-light);
}

.testimonial-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.testimonial-card {
    background-color: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.avatar {
    width: 40px;
    height: 40px;
    background-color: var(--gray-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.avatar .material-icons {
    color: var(--text-gray);
    font-size: 24px;
}

.testimonial-info strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.testimonial-info span {
    font-size: 12px;
    color: var(--text-gray);
}

.testimonial-card p {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.6;
}

.featured-image {
    text-align: center;
    padding: 20px;
}

.featured-image img {
    max-width: 100%;
    height: auto;
    border: 4px solid #FFD700;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(255, 215, 0, 0.3);
}

.offer {
    text-align: center;
    border: 4px solid #4caf50;
    border-radius: 16px;
}

.offer-premium {
    text-align: center;
    border: 4px solid #FFD700;
    border-radius: 16px;
    background: linear-gradient(135deg, #fff9e6 0%, #ffffff 100%);
}

.offer-text {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 24px;
    line-height: 1.6;
}

.offer-benefits {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.offer-benefits li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
}

.offer-benefits .material-icons {
    color: var(--green);
    font-size: 20px;
}

.price-box {
    background-color: var(--gray-light);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.price-label {
    font-size: 12px;
    color: var(--text-gray);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 8px;
}

.price {
    font-size: 48px;
    font-weight: 800;
    color: #4caf50;
    margin-bottom: 8px;
    line-height: 1;
}

.price-installment {
    font-size: 14px;
    color: var(--text-gray);
}

.guarantee {
    background-color: var(--gray-light);
    text-align: center;
}

.guarantee p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 24px;
    line-height: 1.6;
}

.guarantee-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--green);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-weight: 600;
}

.guarantee-badge .material-icons {
    font-size: 24px;
}

.faq {
    background-color: #fff;
    text-align: center;
}

.faq-container {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
}

.faq-item {
    background-color: #fff;
    border: 2px solid var(--gray-light);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
    border-color: var(--green);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.1);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.faq-question .material-icons {
    color: var(--green);
    font-size: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.faq-question strong {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}

.faq-answer {
    padding-left: 36px;
}

.faq-answer p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
    margin: 0;
}

.final-cta {
    text-align: center;
    padding: 50px 20px;
}

.final-cta p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.cta-secondary {
    margin-top: 16px;
    font-size: 14px;
}

.cta-secondary a {
    color: var(--red-primary);
    text-decoration: none;
    font-weight: 600;
}

.cta-secondary a:hover {
    text-decoration: underline;
}

footer {
    background-color: var(--text-dark);
    color: #fff;
    text-align: center;
    padding: 30px 20px;
    font-size: 12px;
}

footer p {
    margin-bottom: 12px;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-links span {
    opacity: 0.5;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

html {
    scroll-behavior: smooth;
}

@media (min-width: 768px) {
    section {
        padding: 60px 40px;
    }

    h1 {
        font-size: 42px;
    }

    h2 {
        font-size: 32px;
    }

    .subtitle {
        font-size: 18px;
    }

    .description {
        font-size: 16px;
    }

    main {
        max-width: 768px;
    }

    .testimonial-cards {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .testimonial-card {
        flex: 1 1 calc(50% - 8px);
    }
}

@media (min-width: 1024px) {
    main {
        max-width: 900px;
    }

    .testimonial-card {
        flex: 1 1 calc(33.333% - 12px);
    }
}