:root {
    --primary: #2a6fdb;
    --primary-dark: #1e5abc;
    --secondary: #1d3557;
    --accent: #457b9d;
    --accent-dark: #3a6886;
    --light: #f1faee;
    --white: #ffffff;
    --dark: #333333;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease-in-out;
    --font-family: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--white);
    color: var(--dark);
    line-height: 1.7;
}

/* Header */
header {
    background-color: var(--white);
    color: var(--dark);
    padding: 1rem 2rem;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary);
}

.logo-img {
    height: 40px;
}

.pro-label {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
    border: 1px solid var(--accent);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    margin-left: 0.2rem;
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--secondary);
    font-weight: 600;
    position: relative;
    transition: var(--transition);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

.main-nav a:hover {
    color: var(--primary);
}

.main-nav a:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.login-btn {
    background-color: transparent;
    color: var(--primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--primary);
}

.login-btn:hover {
    background-color: var(--primary);
    color: var(--white);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    color: var(--white);
    text-align: center;
    padding: 10rem 2rem 6rem;
    margin-top: 70px;
    /* Header height */
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero .tagline {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--accent);
    color: var(--white);
    padding: 0.8rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    background-color: var(--accent-dark);
}

/* General Section Styling */
section {
    padding: 5rem 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--secondary);
    font-size: 2.2rem;
    font-weight: 700;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    margin: 0.5rem auto;
    border-radius: 2px;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--light-gray);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.feature-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    display: inline-block;
}

.feature-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--secondary);
}

.feature-desc {
    color: var(--gray);
}

/* Demo Section */
.demo {
    background-color: var(--light);
}

.demo-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.demo-container p {
    max-width: 700px;
    margin: 0 auto 2rem auto;
}

.demo-image {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--light-gray);
}

/* Testimonials Section */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background-color: var(--light);
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 5px solid var(--primary);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 5rem;
    color: rgba(0, 0, 0, 0.05);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--dark);
    position: relative;
}

.testimonial-author {
    font-weight: 600;
    color: var(--secondary);
}

/* Pricing Section */
.pricing {
    background-color: var(--white);
}

.pricing-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    align-items: center;
}

.pricing-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid var(--light-gray);
}

.pricing-card.popular {
    transform: scale(1.05);
    border: 2px solid var(--primary);
}

.pricing-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.popular-badge {
    background-color: var(--primary);
    color: var(--white);
    padding: 0.3rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.pricing-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.pricing-price {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: normal;
    color: var(--gray);
}

.pricing-features {
    list-style-type: none;
    margin-bottom: 2rem;
    text-align: left;
    padding-left: 1rem;
}

.pricing-features li {
    margin-bottom: 0.8rem;
    color: var(--gray);
    position: relative;
}

/* Footer */
footer {
    background-color: var(--secondary);
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content .logo {
    color: var(--white);
    justify-content: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 1.5rem 0;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    opacity: 0.8;
}

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

.social-icons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.social-icon {
    color: var(--white);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--accent);
    transform: translateY(-3px);
}

.copyright {
    margin-top: 1.5rem;
    color: var(--white);
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Carousel */
/* Carousel */
.carousel {
    position: relative;
    max-width: 1000px;
    height: 560px;
    /* Mantém a altura para consistência */
    margin: 2rem auto;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.carousel-inner {
    display: flex;
    height: 100%;
    transition: transform 0.5s ease;
}

.carousel-inner img {
    width: 100%;
    height: 100%;
    /* ALTERAÇÃO AQUI: de 'cover' para 'contain' */
    object-fit: contain;
    /* Garante que a imagem inteira seja visível */
    background-color: #f1faee;
    /* Adiciona um fundo claro para as barras, se houver */
    flex-shrink: 0;
}

/* O restante do CSS do carrossel permanece o mesmo */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.4);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    cursor: pointer;
    border-radius: 50%;
    font-size: 18px;
    z-index: 10;
    transition: var(--transition);
}

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

.carousel-control.prev {
    left: 15px;
}

.carousel-control.next {
    right: 15px;
}

.carousel-indicators {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-indicator.active {
    background-color: white;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .main-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        /* Header height */
        left: 0;
        width: 100%;
        background-color: var(--white);
        padding: 1rem 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    .main-nav.active {
        display: flex;
    }

    .main-nav a {
        text-align: center;
        padding: 1rem;
        width: 100%;
    }

    .main-nav a::after {
        display: none;
    }

    .menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    section {
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero .tagline {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1rem;
    }

    .logo {
        font-size: 1.5rem;
    }

    .header-actions {
        gap: 0.5rem;
    }

    .login-btn {
        padding: 0.4rem 1rem;
        font-size: 0.9rem;
    }

    .pricing-card.popular {
        transform: scale(1);
    }

    .pricing-card:hover {
        transform: translateY(-5px) scale(1);
    }
}