/* Base e Reset */
:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-text: #777;
    --ultra-light-text: #999;
    --bg-color: #fff;
    --light-bg: #f5f8fa;
    --dark-bg: #e9ecef;
    --border-color: #ddd;
    --shadow-color: rgba(0,0,0,0.1);
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --font-main: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --radius: 8px;
    --padding: 16px;
    --transition: all 0.3s ease;
    --content-width: 1200px;
    --header-height: 80px;
}

/* CTA Sections */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* Footer */
.site-footer {
    background-color: var(--dark-bg);
    padding: 80px 0 30px;
    color: var(--text-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col h3 {
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.footer-col h3:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--light-text);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact li {
    margin-bottom: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    color: var(--light-text);
}

.contact-item i {
    margin-right: 10px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.copyright {
    margin-bottom: 10px;
    color: var(--light-text);
}

.disclaimer {
    font-size: 0.9rem;
    color: var(--ultra-light-text);
}

/* Breadcrumbs */
.breadcrumbs {
    background-color: var(--light-bg);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumbs ul {
    display: flex;
    align-items: center;
}

.breadcrumbs li {
    position: relative;
    padding-right: 25px;
}

.breadcrumbs li:after {
    content: '›';
    position: absolute;
    right: 10px;
    color: var(--light-text);
}

.breadcrumbs li:last-child {
    padding-right: 0;
}

.breadcrumbs li:last-child:after {
    display: none;
}

.breadcrumbs a {
    color: var(--primary-color);
}

.breadcrumbs span {
    color: var(--light-text);
}

/* Responsividade */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .container {
        max-width: 540px;
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 80%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-color);
        box-shadow: 5px 0 15px var(--shadow-color);
        transition: var(--transition);
        overflow-y: auto;
        z-index: 99;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: 30px 0;
    }
    
    .main-nav li {
        width: 100%;
    }
    
    .main-nav a {
        display: block;
        padding: 15px 30px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-section {
        padding: 80px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .plano-card.destaque {
        transform: scale(1);
    }
}

@media (max-width: 576px) {
    .container {
        max-width: 100%;
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .section-title {
        margin-bottom: 30px;
    }
    
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        width: 100%;
    }
}

/* Card */
.card {
    background-color: var(--bg-color);
    border-radius: var(--radius);
    box-shadow: 0 5px 15px var(--shadow-color);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-color);
}

.card-img {
    position: relative;
    overflow: hidden;
}

.card-content {
    padding: var(--padding);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

.card-text {
    color: var(--light-text);
    margin-bottom: 20px;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px var(--padding);
    background-color: var(--light-bg);
    border-top: 1px solid var(--border-color);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-color);
    box-shadow: 0 2px 10px var(--shadow-color);
    height: var(--header-height);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.header-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.8rem;
    margin-right: 8px;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 20px;
}

.main-nav a {
    color: var(--text-color);
    font-weight: 600;
    position: relative;
    padding: 8px 0;
}

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

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

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

.theme-switch {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.2rem;
    margin-right: 20px;
}

.theme-switch .fa-sun {
    display: none;
}

.theme-switch .fa-moon {
    display: inline-block;
}

.dark-theme .theme-switch .fa-sun {
    display: inline-block;
}

.dark-theme .theme-switch .fa-moon {
    display: none;
}

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

/* Hero Section */
.hero-section {
    position: relative;
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: white;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 40px;
}

.hero-buttons .btn {
    padding: 15px 30px;
}

/* Features Section */
.features-section {
    background-color: var(--light-bg);
    padding: 100px 0;
}

.feature-item {
    text-align: center;
    padding: 30px;
    border-radius: var(--radius);
    background-color: var(--bg-color);
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-title {
    margin-bottom: 15px;
}

.feature-text {
    color: var(--light-text);
}

/* Planos Section */
.planos-section {
    padding: 100px 0;
}

.plano-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: var(--radius);
    background-color: var(--bg-color);
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.plano-card.destaque {
    border-color: var(--secondary-color);
    transform: scale(1.05);
}

.plano-card.destaque:before {
    content: 'Mais Popular';
    position: absolute;
    top: 15px;
    right: -30px;
    background-color: var(--secondary-color);
    color: white;
    padding: 5px 30px;
    font-size: 0.8rem;
    transform: rotate(45deg);
}

.plano-card:hover {
    transform: translateY(-10px);
}

.plano-duracao {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.plano-preco {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.plano-lista {
    margin: 30px 0;
}

.plano-lista li {
    margin-bottom: 15px;
    color: var(--light-text);
}

.plano-lista i {
    color: var(--success-color);
    margin-right: 8px;
}

/* FAQ Section */
.faq-section {
    background-color: var(--light-bg);
    padding: 100px 0;
}

.faq-item {
    margin-bottom: 20px;
    border-radius: var(--radius);
    overflow: hidden;
    background-color: var(--bg-color);
    box-shadow: 0 3px 10px var(--shadow-color);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--dark-bg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
    background-color: var(--light-bg);
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 1000px;
}

.faq-item.active .faq-question {
    background-color: var(--primary-color);
    color: white;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

/* Testimonials */
.testimonials-section {
    padding: 100px 0;
}

.testimonial-item {
    text-align: center;
    padding: 30px;
    border-radius: var(--radius);
    background-color: var(--bg-color);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 30px;
    position: relative;
}

.testimonial-text:before, .testimonial-text:after {
    content: '"';
    font-size: 2rem;
    color: var(--primary-color);
    position: absolute;
}

.testimonial-text:before {
    left: -15px;
    top: -10px;
}

.testimonial-text:after {
    right: -15px;
    bottom: -10px;
}

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

.testimonial-role {
    font-size: 0.9rem;
    color: var(--light-text);
}

.dark-theme {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #e74c3c;
    --text-color: #eee;
    --light-text: #bbb;
    --ultra-light-text: #999;
    --bg-color: #121212;
    --light-bg: #1e1e1e;
    --dark-bg: #252525;
    --border-color: #333;
    --shadow-color: rgba(0,0,0,0.3);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: 20px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--text-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Utilidades */
.container {
    width: 100%;
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title h2:after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 80px;
    height: 3px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.grid {
    display: grid;
    grid-gap: 30px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.flex {
    display: flex;
}

.flex-center {
    justify-content: center;
    align-items: center;
}

.flex-between {
    justify-content: space-between;
    align-items: center;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    text-align: center;
}

.btn i {
    margin-right: 8px;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 204, 113, 0.3);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}