/* 
* SEU GUIA DE TECIDOS - Landing Page Styles
* Developed for high-conversion ebook sales page
* v2 - Added Safari compatibility fixes (prefixes and variable fallbacks)
*/

/* ===== RESET & BASE STYLES ===== */
*, *::before, *::after {
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Primary Colors */
    --color-primary: #1A365D;      /* Deep blue */
    --color-secondary: #4A4A4A;    /* Elegant gray */
    --color-accent: #FF7F00;       /* Vibrant orange */
    --color-success: #2E8B57;      /* Success green */
    
    /* Supporting Colors */
    --color-white: #FFFFFF;
    --color-light-gray: #F5F5F5;
    --color-medium-gray: #E0E0E0;
    --color-dark-gray: #333333;
    
    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Open Sans', sans-serif; /* Fallback */
    font-family: var(--font-body);
    line-height: 1.6;
    color: #4A4A4A; /* Fallback */
    color: var(--color-secondary);
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
}

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

a {
    color: #1A365D; /* Fallback */
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
    -webkit-transition: color 0.3s ease;
}

a:hover {
    color: #FF7F00; /* Fallback */
    color: var(--color-accent);
}

ul, ol {
    list-style-position: inside;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif; /* Fallback */
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
    color: #1A365D; /* Fallback */
    color: var(--color-primary);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 2rem;
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
    text-align: center;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
}

p {
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.section-intro {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem; /* Fallback */
    margin: 0 auto var(--spacing-lg);
}

/* ===== LAYOUT ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem; /* Fallback */
    padding: 0 var(--spacing-sm);
}

section {
    padding: 5rem 0; /* Fallback */
    padding: var(--spacing-xl) 0;
}

section:nth-child(even) {
    background-color: #F5F5F5; /* Fallback */
    background-color: var(--color-light-gray);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    font-family: 'Montserrat', sans-serif; /* Fallback */
    font-family: var(--font-primary);
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: #FF7F00; /* Fallback */
    background-color: var(--color-accent);
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
    border: 2px solid #FF7F00; /* Fallback */
    border: 2px solid var(--color-accent);
}

.btn-primary:hover {
    background-color: transparent;
    color: #FF7F00; /* Fallback */
    color: var(--color-accent);
}

.btn-secondary {
    background-color: transparent;
    color: #1A365D; /* Fallback */
    color: var(--color-primary);
    border: 2px solid #1A365D; /* Fallback */
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: #1A365D; /* Fallback */
    background-color: var(--color-primary);
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Reduzido o tamanho do botão flutuante no desktop */
.btn-xl {
    padding: 1rem 2rem;
    font-size: 1.15rem;
    border-radius: 16px; /* Fallback */
    border-radius: var(--radius-lg);
}

/* ===== HERO SECTION ===== */
.hero {
    background-color: #1A365D; /* Fallback */
    background-color: var(--color-primary);
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
    padding: 5rem 0; /* Fallback */
    padding: var(--spacing-xl) 0;
    position: relative;
}

.hero h1, .hero h2 {
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
}

.hero-content {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-lines: multiple; /* Safari fallback */
    flex-wrap: wrap;
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
    gap: 3rem; /* Fallback */
    gap: var(--spacing-lg);
}

.hero-text {
    -webkit-box-flex: 1; /* Safari fallback */
    flex: 1;
    min-width: 300px;
}

.hero-image {
    -webkit-box-flex: 1; /* Safari fallback */
    flex: 1;
    min-width: 300px;
    position: relative;
}

.mockup {
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-lg);
}

.badge-pages {
    position: absolute;
    top: -20px;
    right: -20px;
    background-color: #FF7F00; /* Fallback */
    background-color: var(--color-accent);
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-orient: vertical; /* Safari fallback */
    -webkit-box-direction: normal; /* Safari fallback */
    flex-direction: column;
    -webkit-box-pack: center; /* Safari fallback */
    justify-content: center;
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
    font-family: 'Montserrat', sans-serif; /* Fallback */
    font-family: var(--font-primary);
    font-weight: 700;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-md);
    z-index: 2;
}

.badge-pages span:first-child {
    font-size: 2rem;
    line-height: 1;
}

.badge-pages span:last-child {
    font-size: 0.9rem;
}

.cta-container {
    margin-top: 2rem; /* Fallback */
    margin-top: var(--spacing-md);
}

.limited-offer {
    margin-top: 1rem; /* Fallback */
    margin-top: var(--spacing-sm);
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
    gap: 1rem; /* Fallback */
    gap: var(--spacing-sm);
}

.badge {
    background-color: #FF7F00; /* Fallback */
    background-color: var(--color-accent);
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    border-radius: 4px; /* Fallback */
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
}

/* ===== PROBLEM & SOLUTION SECTION ===== */
.problems {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.problem-item {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-align: start; /* Safari fallback */
    align-items: flex-start;
    gap: 1rem; /* Fallback */
    gap: var(--spacing-sm);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-5px);
    -webkit-transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-md);
}

.problem-icon {
    -webkit-flex-shrink: 0; /* Safari fallback */
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
    -webkit-box-pack: center; /* Safari fallback */
    justify-content: center;
}

.problem-icon img {
    width: 40px;
    height: 40px;
}

.transition-text {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
}

.solution-highlight {
    background-color: #1A365D; /* Fallback */
    background-color: var(--color-primary);
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    text-align: center;
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.solution-highlight p {
    font-size: 1.2rem;
    margin-bottom: 0;
}

.before-after {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-lines: multiple; /* Safari fallback */
    flex-wrap: wrap;
    -webkit-box-pack: center; /* Safari fallback */
    justify-content: center;
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
}

.before, .after {
    -webkit-box-flex: 1; /* Safari fallback */
    flex: 1;
    min-width: 250px;
    max-width: 400px;
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.before h4, .after h4 {
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.before img, .after img {
    border-radius: 4px; /* Fallback */
    border-radius: var(--radius-sm);
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
    margin-left: auto;
    margin-right: auto;
}

.before ul, .after ul {
    list-style-type: none;
    text-align: left;
}

.before ul li, .after ul li {
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
    padding-left: 1.5rem;
    position: relative;
}

.before ul li::before {
    content: "✘";
    color: #e74c3c;
    position: absolute;
    left: 0;
}

.after ul li::before {
    content: "✓";
    color: #2E8B57; /* Fallback */
    color: var(--color-success);
    position: absolute;
    left: 0;
}

.arrow {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
    -webkit-box-pack: center; /* Safari fallback */
    justify-content: center;
}

.arrow img {
    width: 80px;
}

/* ===== DIFFERENTIALS SECTION ===== */
.comparison-chart {
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.differential-item {
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease, box-shadow 0.3s ease;
}

.differential-item:hover {
    transform: translateY(-5px);
    -webkit-transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-md);
}

.differential-icon {
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.differential-icon img {
    width: 90px;
    height: 90px;
    margin: 0 auto;
}

.comparison-text {
    text-align: center;
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
}

.comparison-table th, .comparison-table td {
    padding: 1rem; /* Fallback */
    padding: var(--spacing-sm);
    text-align: center;
    border: 1px solid #E0E0E0; /* Fallback */
    border: 1px solid var(--color-medium-gray);
}

.comparison-table th {
    background-color: #1A365D; /* Fallback */
    background-color: var(--color-primary);
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
}

.comparison-table tr:nth-child(even) {
    background-color: #F5F5F5; /* Fallback */
    background-color: var(--color-light-gray);
}

/* ===== PREVIEW SECTION ===== */
.summary-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.summary-part {
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-sm);
}

.summary-part h3 {
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
    color: #1A365D; /* Fallback */
    color: var(--color-primary);
    font-size: 1.2rem;
}

.summary-part ul {
    list-style-type: none;
}

.summary-part ul li {
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
    padding-left: 1.5rem;
    position: relative;
}

.summary-part ul li::before {
    content: "•";
    color: #FF7F00; /* Fallback */
    color: var(--color-accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.highlight-box {
    background-color: #1A365D; /* Fallback */
    background-color: var(--color-primary);
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    text-align: center;
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.highlight-box p {
    font-size: 1.2rem;
    margin-bottom: 0;
}

.page-gallery h3 {
    text-align: center;
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem; /* Fallback */
    gap: var(--spacing-sm);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.gallery-item img {
    border-radius: 4px; /* Fallback */
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item img:hover {
    transform: scale(1.05);
    -webkit-transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-md);
}

.navigation-demo h3 {
    text-align: center;
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
}

.demo-container {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-lines: multiple; /* Safari fallback */
    flex-wrap: wrap;
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
    -webkit-box-pack: center; /* Safari fallback */
    justify-content: center;
}

.demo-container img {
    max-width: 400px;
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-md);
}

.demo-features {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-orient: vertical; /* Safari fallback */
    -webkit-box-direction: normal; /* Safari fallback */
    flex-direction: column;
    gap: 1rem; /* Fallback */
    gap: var(--spacing-sm);
}

.feature {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
    gap: 1rem; /* Fallback */
    gap: var(--spacing-sm);
}

.feature img {
    width: 30px;
    height: 30px;
}

/* ===== TARGET AUDIENCE SECTION ===== */
.audience-profiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.profile {
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease, box-shadow 0.3s ease;
}

.profile:hover {
    transform: translateY(-5px);
    -webkit-transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-md);
}

.profile-icon {
    text-align: center;
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.profile-icon img {
    width: 60px;
    height: 60px;
    margin: 0 auto;
}

.profile h3 {
    text-align: center;
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.audience-conclusion {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* ===== AUTHOR SECTION ===== */
.author-profile {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-lines: multiple; /* Safari fallback */
    flex-wrap: wrap;
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
}

.author-image {
    -webkit-box-flex: 1; /* Safari fallback */
    flex: 1;
    min-width: 250px;
    max-width: 350px;
}

.author-image img {
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-md);
}

.author-bio {
    -webkit-box-flex: 2; /* Safari fallback */
    flex: 2;
    min-width: 300px;
}

.author-quote {
    background-color: #F5F5F5; /* Fallback */
    background-color: var(--color-light-gray);
    border-left: 5px solid #FF7F00; /* Fallback */
    border-left: 5px solid var(--color-accent);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
    border-radius: 0 8px 8px 0; /* Fallback */
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.author-quote blockquote {
    font-style: italic;
    font-size: 1.1rem;
}

.credentials h3 {
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.credentials ul {
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
    list-style-type: none;
}

.credentials ul li {
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
    padding-left: 1.5rem;
    position: relative;
}

.credentials ul li::before {
    content: "✓";
    color: #2E8B57; /* Fallback */
    color: var(--color-success);
    position: absolute;
    left: 0;
}

.credential-logos {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-lines: multiple; /* Safari fallback */
    flex-wrap: wrap;
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
    -webkit-box-pack: center; /* Safari fallback */
    justify-content: center;
}

.credential-logos img {
    height: 40px;
    filter: grayscale(100%);
    -webkit-filter: grayscale(100%);
    opacity: 0.7;
    transition: filter 0.3s ease, opacity 0.3s ease;
    -webkit-transition: -webkit-filter 0.3s ease, opacity 0.3s ease;
}

.credential-logos img:hover {
    filter: grayscale(0);
    -webkit-filter: grayscale(0);
    opacity: 1;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.testimonial {
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial:hover {
    transform: translateY(-5px);
    -webkit-transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-md);
}

.testimonial-content {
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.testimonial-content p {
    font-style: italic;
}

.testimonial-author {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
    gap: 1rem; /* Fallback */
    gap: var(--spacing-sm);
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.author-info h4 {
    margin-bottom: 0;
}

.author-info p {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: #4A4A4A; /* Fallback */
    color: var(--color-secondary);
}

.satisfaction-stats {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-lines: multiple; /* Safari fallback */
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.stat {
    text-align: center;
    -webkit-box-flex: 1; /* Safari fallback */
    flex: 1;
    min-width: 200px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #FF7F00; /* Fallback */
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
}

.rating {
    text-align: center;
}

.stars {
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
}

.stars img {
    display: inline-block;
    height: 30px;
}

/* ===== PRICING SECTION ===== */
.value-question {
    text-align: center;
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 3rem; /* Fallback */
    margin: 0 auto var(--spacing-lg);
}

.value-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.comparison-item {
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.comparison-item h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1A365D; /* Fallback */
    color: var(--color-primary);
}

.price span {
    font-size: 0.9rem;
    font-weight: 400;
    color: #4A4A4A; /* Fallback */
    color: var(--color-secondary);
}

.price-box {
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.price-header {
    background-color: #1A365D; /* Fallback */
    background-color: var(--color-primary);
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    text-align: center;
}

.price-header h3 {
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
}

.subtitle {
    font-size: 1.1rem;
}

.price-content {
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
}

.price-tag {
    text-align: center;
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
}

.original-price {
    display: inline-block;
    font-size: 1.5rem;
    text-decoration: line-through;
    color: #4A4A4A; /* Fallback */
    color: var(--color-secondary);
    margin-right: 1rem; /* Fallback */
    margin-right: var(--spacing-sm);
}

.current-price {
    display: inline-block;
    font-size: 3rem;
    font-weight: 700;
    color: #FF7F00; /* Fallback */
    color: var(--color-accent);
}

.price-detail {
    display: block;
    margin-top: 0.5rem; /* Fallback */
    margin-top: var(--spacing-xs);
    font-size: 1rem;
}

.payment-options {
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
}

.payment-options h4 {
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.payment-options ul {
    list-style-type: none;
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.payment-options ul li {
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
    padding-left: 1.5rem;
    position: relative;
}

.payment-options ul li::before {
    content: "✓";
    color: #2E8B57; /* Fallback */
    color: var(--color-success);
    position: absolute;
    left: 0;
}

.payment-icons {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    gap: 1rem; /* Fallback */
    gap: var(--spacing-sm);
    -webkit-box-pack: center; /* Safari fallback */
    justify-content: center;
}

.payment-icons img {
    height: 50px;
}

.guarantee {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
    background-color: #F5F5F5; /* Fallback */
    background-color: var(--color-light-gray);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
}

.guarantee-seal {
    -webkit-flex-shrink: 0; /* Safari fallback */
    flex-shrink: 0;
}

.guarantee-seal img {
    width: 180px;
}

.guarantee-text h4 {
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
}

.guarantee-text p {
    margin-bottom: 0;
}

.cta-main {
    text-align: center;
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
}

.price-footer {
    background-color: #F5F5F5; /* Fallback */
    background-color: var(--color-light-gray);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    text-align: center;
    font-style: italic;
}

.price-footer p {
    margin-bottom: 0;
}

.value-calculator {
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-md);
}

.value-calculator h3 {
    text-align: center;
    margin-bottom: 2rem; /* Fallback */
    margin-bottom: var(--spacing-md);
}

.calculator-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem; /* Fallback */
    gap: var(--spacing-md);
}

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

.calculator-item h4 {
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
}

.calculator-item p {
    margin-bottom: 0;
}

.calculator-item p strong {
    color: #FF7F00; /* Fallback */
    color: var(--color-accent);
    font-size: 1.2rem;
}

.calculator-item p span {
    display: block;
    font-size: 0.9rem;
    color: #4A4A4A; /* Fallback */
    color: var(--color-secondary);
}

/* ===== FAQ SECTION ===== */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
    border: 1px solid #E0E0E0; /* Fallback */
    border: 1px solid var(--color-medium-gray);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    overflow: hidden;
}

.accordion-header {
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    cursor: pointer;
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-pack: justify; /* Safari fallback */
    justify-content: space-between;
    -webkit-box-align: center; /* Safari fallback */
    align-items: center;
}

.accordion-header h3 {
    margin-bottom: 0;
    font-size: 1.1rem;
}

.accordion-icon {
    font-size: 1.5rem;
    color: #FF7F00; /* Fallback */
    color: var(--color-accent);
    transition: transform 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
}

.accordion-content {
    padding: 0 2rem; /* Fallback */
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    -webkit-transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-item.active .accordion-content {
    padding: 0 2rem 2rem; /* Fallback */
    padding: 0 var(--spacing-md) var(--spacing-md);
    max-height: 500px;
}

/* ===== FINAL CTA SECTION ===== */
.final-cta {
    background-color: #1A365D; /* Fallback */
    background-color: var(--color-primary);
    /* Color property removed as it was conflicting */
    padding: 5rem 0; /* Fallback */
    padding: var(--spacing-xl) 0;
}

.final-cta h2 {
    color: #FFFFFF; /* Fallback for heading inside primary background */
    color: var(--color-primary);
}

.benefits-recap {
    max-width: 800px;
    margin: 0 auto 3rem; /* Fallback */
    margin: 0 auto var(--spacing-lg);
    color: #1A365D; /* Text color for this section */
}

.benefits-recap ul {
    list-style-type: none;
}

.benefits-recap ul li {
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
    padding-left: 2rem;
    position: relative;
    font-size: 1.1rem;
}

.benefits-recap ul li::before {
    content: "✓";
    color: #FF7F00; /* Fallback */
    color: var(--color-accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.urgency-box {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    padding: 2rem; /* Fallback */
    padding: var(--spacing-md);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: #1A365D; /* Text color for this section */
}

.countdown p {
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.timer {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    -webkit-box-pack: center; /* Safari fallback */
    justify-content: center;
    gap: 1rem; /* Fallback */
    gap: var(--spacing-sm);
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
}

.time-unit {
    background-color: #FF7F00; /* Fallback */
    background-color: var(--color-accent);
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
    border-radius: 4px; /* Fallback */
    border-radius: var(--radius-sm);
    padding: 1rem; /* Fallback */
    padding: var(--spacing-sm);
    min-width: 80px;
    text-align: center;
}

.number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
}

.label {
    display: block;
    font-size: 0.9rem;
}

.price-return {
    font-weight: 600;
}

.final-mockup {
    text-align: center;
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

/* Garantindo que a imagem do ebook não ultrapasse a largura da tela */
.final-mockup img {
    max-width: 100%;
    margin: 0 auto;
    border-radius: 8px; /* Fallback */
    border-radius: var(--radius-md);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1); /* Fallback */
    box-shadow: var(--shadow-lg);
}

.final-cta-button {
    text-align: center;
}

.cta-subtext {
    max-width: 600px;
    margin: 1rem auto 0; /* Fallback */
    margin: var(--spacing-sm) auto 0;
    font-size: 0.9rem;
    opacity: 0.9;
    color: #1A365D; /* Text color for this section */
}

/* ===== FOOTER ===== */
.footer {
    background-color: #333333; /* Fallback */
    background-color: var(--color-dark-gray);
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
    padding: 3rem 0 1rem; /* Fallback */
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem; /* Fallback */
    gap: var(--spacing-lg);
    margin-bottom: 3rem; /* Fallback */
    margin-bottom: var(--spacing-lg);
}

.footer h3 {
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
    margin-bottom: 1rem; /* Fallback */
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-logo img {
    max-width: 150px;
}

.footer-links ul {
    list-style-type: none;
}

.footer-links ul li {
    margin-bottom: 0.5rem; /* Fallback */
    margin-bottom: var(--spacing-xs);
}

.footer-links ul li a {
    color: #E0E0E0; /* Fallback */
    color: var(--color-medium-gray);
    transition: color 0.3s ease;
    -webkit-transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: #FFFFFF; /* Fallback */
    color: var(--color-white);
}

.security-icons {
    display: -webkit-box; /* Safari fallback */
    display: flex;
    gap: 1rem; /* Fallback */
    gap: var(--spacing-sm);
    -webkit-box-lines: multiple; /* Safari fallback */
    flex-wrap: wrap;
}

.security-icons img {
    height: 80px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem; /* Fallback */
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #E0E0E0; /* Fallback */
    color: var(--color-medium-gray);
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    section {
        padding: 3rem 0; /* Fallback */
        padding: var(--spacing-lg) 0;
    }
    
    .hero-content {
        -webkit-box-orient: vertical; /* Safari fallback */
        -webkit-box-direction: normal; /* Safari fallback */
        flex-direction: column;
    }
    
    .hero-text, .hero-image {
        text-align: center;
    }
    
    .badge-pages {
        top: -10px;
        right: 10px;
        width: 80px;
        height: 80px;
    }
    
    .badge-pages span:first-child {
        font-size: 1.5rem;
    }
    
    .badge-pages span:last-child {
        font-size: 0.8rem;
    }
    
    .before-after {
        -webkit-box-orient: vertical; /* Safari fallback */
        -webkit-box-direction: normal; /* Safari fallback */
        flex-direction: column;
        -webkit-box-align: center; /* Safari fallback */
        align-items: center;
    }
    
    .arrow {
        transform: rotate(90deg);
        -webkit-transform: rotate(90deg);
        margin: 0.5rem 0; /* Fallback */
        margin: var(--spacing-xs) 0;
    }
    
    .author-profile {
        -webkit-box-orient: vertical; /* Safari fallback */
        -webkit-box-direction: normal; /* Safari fallback */
        flex-direction: column;
        text-align: center;
    }
    
    .author-image {
        margin: 0 auto;
    }
    
    .guarantee {
        -webkit-box-orient: vertical; /* Safari fallback */
        -webkit-box-direction: normal; /* Safari fallback */
        flex-direction: column;
        text-align: center;
    }
    
    .guarantee-seal {
        margin-bottom: 1rem; /* Fallback */
        margin-bottom: var(--spacing-sm);
    }
    
    .timer {
        -webkit-box-lines: multiple; /* Safari fallback */
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .btn-xl {
        padding: 0.9rem 1.2rem;
        font-size: 1rem;
    }
    
    .price-tag {
        display: -webkit-box; /* Safari fallback */
        display: flex;
        -webkit-box-orient: vertical; /* Safari fallback */
        -webkit-box-direction: normal; /* Safari fallback */
        flex-direction: column;
        -webkit-box-align: center; /* Safari fallback */
        align-items: center;
    }
    
    .original-price {
        margin-right: 0;
        margin-bottom: 0.5rem; /* Fallback */
        margin-bottom: var(--spacing-xs);
    }
    
    .current-price {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    /* Ajuste para garantir que os botões não ultrapassem a largura da tela */
    .btn-xl, 
    .btn-large,
    .btn-primary {
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
        -webkit-box-sizing: border-box;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    /* Garantindo que a imagem do ebook não ultrapasse a largura da tela */
    .final-mockup img {
        max-width: 100%;
        height: auto;
    }

    .final-cta-button {
        padding: 0 1rem; /* Fallback */
        padding: 0 var(--spacing-sm);
    }
    
    /* Ajuste para garantir que os botões de CTA não ultrapassem a largura da tela */
    .cta-main .btn {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        -webkit-box-sizing: border-box;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes pulse {
    0% {
        transform: scale(1);
        -webkit-transform: scale(1);
    }
    50% {
        transform: scale(1.03);
        -webkit-transform: scale(1.03);
    }
    100% {
        transform: scale(1);
        -webkit-transform: scale(1);
    }
}

@-webkit-keyframes pulse {
    0% {
        -webkit-transform: scale(1);
    }
    50% {
        -webkit-transform: scale(1.03);
    }
    100% {
        -webkit-transform: scale(1);
    }
}

/* Reduzindo a animação do botão flutuante para ser mais sutil */
.btn-primary.btn-xl {
    animation: pulse 2s infinite;
    -webkit-animation: pulse 2s infinite;
}

.btn-primary.btn-xl:hover {
    animation: none;
    -webkit-animation: none;
}

/* ===== STICKY CTA FOR MOBILE ===== */
.mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #FFFFFF; /* Fallback */
    background-color: var(--color-white);
    padding: 1rem; /* Fallback */
    padding: var(--spacing-sm);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

@media (max-width: 768px) {
    .mobile-cta {
        display: -webkit-box; /* Safari fallback */
        display: flex;
        -webkit-box-pack: center; /* Safari fallback */
        justify-content: center;
    }
    
    .mobile-cta .btn {
        width: 100%;
        max-width: 300px;
    }
    
    body {
        /* Ajuste para evitar que o conteúdo fique sob o botão fixo */
        padding-bottom: 80px; /* Aumentar um pouco o padding */
    }
}

/* Ajustes de responsividade específicos para botões e imagem final */
@media (max-width: 768px) {
    .btn-xl,
    .btn-large {
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
        -webkit-box-sizing: border-box;
    }

    .final-mockup img {
        /* Corrige tamanho da imagem final do ebook no desktop */
@media (min-width: 769px) {
    .final-mockup img {
        max-width: 400px !important;
        height: auto;
        margin: 0 auto;
        display: block;
    }
}

    }

    .final-cta-button {
        padding: 0 1rem; /* Fallback */
        padding: 0 var(--spacing-sm);
    }

    .final-cta-button .btn {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}