/* ============================================
   RESET E VARIÁVEIS GLOBAIS
   ============================================ */

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

:root {
    --color-primary: #1a3a52;
    --color-secondary: #2d5a7b;
    --color-accent: #16c60c;
    --color-danger: #dc3545;
    --color-success: #27ae60;
    --color-warning: #f39c12;
    --color-light: #ecf0f1;
    --color-dark: #2c3e50;
    --color-text: #34495e;
    --color-border: #bdc3c7;
    --color-white: #ffffff;
    
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-base: 16px;
    --font-size-large: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;
    
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* ============================================
   TIPOGRAFIA E ELEMENTOS BASE
   ============================================ */

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-md);
}

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

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

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

/* ============================================
   HEADER E NAVEGAÇÃO
   ============================================ */

.header {
    background-color: var(--color-primary);
    color: var(--color-white);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: var(--spacing-md) 0;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-links a {
    color: var(--color-white);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--color-accent);
}

/* ============================================
   CONTAINER E LAYOUT
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--color-light);
}

.section:last-of-type {
    border-bottom: none;
}

.section-intro {
    font-size: var(--font-size-large);
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: var(--spacing-3xl) var(--spacing-md);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text {
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-3xl);
    line-height: 1.4;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.hero-subtitle {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.7;
}

.hero-highlight {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.85);
    padding: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--border-radius);
}

.hero-trust {
    font-size: var(--font-size-base);
    margin-top: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.hero-image {
    position: relative;
}

.hero-img {
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ============================================
   BOTÕES
   ============================================ */

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
}

.btn-large {
    font-size: var(--font-size-large);
    padding: var(--spacing-lg) var(--spacing-2xl);
}

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

.btn-primary:hover {
    background-color: #0fa804;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 198, 12, 0.5);
}

.btn-secondary {
    background-color: var(--color-primary);
    color: var(--color-white);
    margin-top: var(--spacing-xl);
}

.btn-secondary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 58, 82, 0.4);
}

/* ============================================
   SEÇÕES ESPECÍFICAS
   ============================================ */

.problema {
    background-color: #f8f9fa;
}

.comparison-section {
    margin: var(--spacing-2xl) 0;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.comparison-img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.pain-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
}

.pain-point {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-danger);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.pain-icon {
    font-size: var(--font-size-2xl);
    display: block;
    margin-bottom: var(--spacing-md);
    color: var(--color-danger);
}

.pain-point h3 {
    color: var(--color-danger);
    margin-bottom: var(--spacing-md);
}

.pain-point p {
    font-size: var(--font-size-base);
    line-height: 1.7;
}

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

.solution-highlight {
    background: linear-gradient(135deg, rgba(26, 58, 82, 0.1) 0%, rgba(45, 90, 123, 0.1) 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    margin: var(--spacing-2xl) 0;
}

.solution-highlight p {
    font-size: var(--font-size-large);
    line-height: 1.8;
    color: var(--color-dark);
}

.stages-section {
    margin: var(--spacing-2xl) 0;
}

.stages-section h3 {
    margin-bottom: var(--spacing-xl);
    color: var(--color-primary);
}

.stages-img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin: var(--spacing-xl) 0;
}

.stages-explanation {
    background-color: #f8f9fa;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-xl);
}

.stages-explanation p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: 1.7;
}

.highlight-red {
    background-color: var(--color-danger);
    color: var(--color-white);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.protocolo {
    background-color: #f8f9fa;
}

.protocol-visual {
    margin: var(--spacing-2xl) 0;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.protocol-img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.protocol-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
}

.step {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border-top: 4px solid var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.step h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.step p {
    font-size: var(--font-size-base);
    line-height: 1.7;
}

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

.opportunity-visual {
    margin: var(--spacing-2xl) 0;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.opportunity-img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.math-explanation {
    margin: var(--spacing-2xl) 0;
}

.math-box {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.1) 0%, rgba(52, 152, 219, 0.1) 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-success);
}

.math-box h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.math-box p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.para-quem {
    background-color: #f8f9fa;
}

.o-que-aprende {
    background-color: var(--color-white);
}

.diferenca {
    background-color: #f8f9fa;
}

.diferenca-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.diferenca-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.diferenca-card:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.diferenca-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.diferenca-card p {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text);
}

.o-que-recebe {
    background-color: var(--color-white);
}

.receives-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
    margin-bottom: var(--spacing-2xl);
}

.receives-list {
    list-style: none;
    margin-bottom: 0;
}

.receives-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-light);
}

.receives-list li:last-child {
    border-bottom: none;
}

.receives-icon {
    flex-shrink: 0;
    font-size: var(--font-size-2xl);
    line-height: 1;
}

.receives-text {
    flex: 1;
    font-size: var(--font-size-base);
    line-height: 1.7;
}

.pricing-box {
    background: linear-gradient(135deg, var(--color-accent) 0%, #0fa804 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 6px 20px rgba(22, 198, 12, 0.3);
}

.pricing-header {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.pricing-old {
    font-size: var(--font-size-base);
    text-decoration: line-through;
    opacity: 0.8;
    margin-bottom: var(--spacing-md);
}

.pricing-installments {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.pricing-or {
    font-size: var(--font-size-base);
    margin: var(--spacing-md) 0;
    opacity: 0.9;
}

.pricing-cash {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
}

.o-que-nao-e {
    background-color: #f8f9fa;
}

.not-list {
    list-style: none;
    margin-bottom: var(--spacing-2xl);
}

.not-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-light);
}

.not-list li:last-child {
    border-bottom: none;
}

.not-icon {
    flex-shrink: 0;
    color: var(--color-danger);
    font-weight: 700;
    font-size: var(--font-size-xl);
    line-height: 1;
}

.not-text {
    flex: 1;
    font-size: var(--font-size-base);
    line-height: 1.7;
}

.sobre-autor {
    background-color: #f8f9fa;
}

.autor-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

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

.autor-img {
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-width: 100%;
    height: auto;
}

.autor-content {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.autor-text {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-text);
}

.cta-final {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
}

.final-cta-box {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-3xl);
    border-radius: var(--border-radius);
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.final-cta-box h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.final-cta-box p {
    color: rgba(255, 255, 255, 0.95);
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-xl);
}

.cta-support {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-lg);
}

.aviso-legal {
    background-color: #f8f9fa;
}

.legal-content {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-danger);
}

.legal-content p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-text);
}

/* ============================================
   LISTAS
   ============================================ */

.profile-list {
    list-style: none;
    margin-bottom: var(--spacing-2xl);
}

.profile-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-light);
}

.profile-list li:last-child {
    border-bottom: none;
}

.profile-icon {
    flex-shrink: 0;
    font-size: var(--font-size-2xl);
    line-height: 1;
}

.profile-text {
    flex: 1;
    font-size: var(--font-size-base);
    line-height: 1.7;
}

.learning-list {
    list-style: none;
    margin-bottom: var(--spacing-2xl);
}

.learning-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-light);
}

.learning-list li:last-child {
    border-bottom: none;
}

.learning-number {
    background-color: var(--color-primary);
    color: var(--color-white);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
    font-size: var(--font-size-base);
    flex-shrink: 0;
}

.learning-text {
    flex: 1;
    font-size: var(--font-size-base);
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-3xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-content p {
    margin: 0;
    font-size: var(--font-size-base);
}

.footer-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.footer-links a {
    color: var(--color-white);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-accent);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */

@media (max-width: 768px) {
    :root {
        --font-size-3xl: 32px;
        --font-size-2xl: 24px;
        --font-size-xl: 20px;
        --spacing-3xl: 32px;
        --spacing-2xl: 24px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }



    .section {
        padding: var(--spacing-2xl) 0;
    }

    .diferenca-grid,
    .pain-points,
    .protocol-steps {
        grid-template-columns: 1fr;
    }

    .receives-container {
        grid-template-columns: 1fr;
    }

    .autor-container {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-3xl: 24px;
        --font-size-2xl: 20px;
        --font-size-xl: 18px;
        --spacing-3xl: 24px;
        --spacing-2xl: 16px;
        --spacing-xl: 16px;
    }



    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-md);
    }

    .hero-subtitle {
        font-size: 14px;
        margin-bottom: var(--spacing-lg);
    }

    .btn {
        width: 100%;
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

    h2 {
        font-size: var(--font-size-xl);
    }

    .profile-list li,
    .learning-list li,
    .not-list li,
    .receives-list li {
        gap: var(--spacing-md);
        padding: var(--spacing-md) 0;
    }

    .learning-number {
        width: 40px;
        height: 40px;
        font-size: 12px;
    }

    .diferenca-card,
    .pain-point,
    .step {
        padding: var(--spacing-md);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .final-cta-box {
        padding: var(--spacing-xl);
    }

    .solution-highlight,
    .math-box,
    .autor-content {
        padding: var(--spacing-lg);
    }

    .pricing-box {
        padding: var(--spacing-lg);
    }

    .receives-container {
        grid-template-columns: 1fr;
    }

    .autor-container {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ACESSIBILIDADE
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   IMPRESSÃO
   ============================================ */

@media print {
    .header,
    .footer,
    .btn,
    .nav-links {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .section {
        page-break-inside: avoid;
    }
}

/* ============================================
   MENU MOBILE - AJUSTES SOLICITADOS
   ============================================ */

/* Estilos do Botão Hambúrguer */
.hamburger {
    display: none;
    cursor: pointer;
    background: transparent;
    border: 0;
    padding: 15px;
    z-index: 1001;
    transition: opacity 0.3s;
}

.hamburger:hover {
    opacity: 0.8;
}

.hamburger-box {
    width: 30px;
    height: 24px;
    display: inline-block;
    position: relative;
}

.hamburger-inner, 
.hamburger-inner::before, 
.hamburger-inner::after {
    width: 30px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 4px;
    position: absolute;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.hamburger-inner {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger-inner::before {
    content: "";
    top: -10px;
}

.hamburger-inner::after {
    content: "";
    bottom: -10px;
}

/* Animação do Hambúrguer (X) */
.hamburger.is-active .hamburger-inner {
    transform: rotate(45deg);
}

.hamburger.is-active .hamburger-inner::before {
    top: 0;
    opacity: 0;
}

.hamburger.is-active .hamburger-inner::after {
    bottom: 0;
    transform: rotate(-90deg);
}

/* Sombra na Navbar Fixa ao Scroll */
.header.is-scrolled {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%; /* Drawer lateral */
        height: 100vh;
        background-color: var(--color-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-xl);
        transition: right 0.4s cubic-bezier(0.77, 0.2, 0.05, 1.0);
        z-index: 1000;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }

    .nav-links.is-active {
        right: 0;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: var(--spacing-md);
        font-size: var(--font-size-xl);
    }

    /* Overlay para fechar ao clicar fora */
    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
        z-index: 999;
    }

    .menu-overlay.is-active {
        opacity: 1;
        visibility: visible;
    }

    /* Evitar scroll do body quando menu aberto */
    body.menu-open {
        overflow: hidden;
    }
}