/* ========================================
   TCF CLB7 - Main Stylesheet
   Colors from Logo: Red, Blue, White
======================================== */

/* CSS Variables */
:root {
    /* Primary Colors - Based on Logo */
    --primary-red: #D62027;
    --primary-red-dark: #B31B21;
    --primary-red-light: #E84C51;
    
    --primary-blue: #1E3A5F;
    --primary-blue-dark: #152A45;
    --primary-blue-light: #2A4D7A;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Functional Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ========================================
   Reset & Base Styles
======================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-secondary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    margin-bottom: var(--spacing-md);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

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

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

iframe,
video,
embed,
object {
    max-width: 100%;
}

table {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* ========================================
   Utility Classes
======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    overflow-x: hidden;
}

/* Garantir que nenhum elemento filho ultrapasse o container */
.container > * {
    max-width: 100%;
}

/* Prevenir overflow em elementos grid e flex */
.courses-grid,
.about-grid,
.testimonials-grid,
.footer-grid,
.nav-menu {
    max-width: 100%;
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

.container-fluid {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background-color: var(--gray-50);
}

.text-red { color: var(--primary-red); }
.text-blue { color: var(--primary-blue); }
.text-white { color: var(--white); }

/* ========================================
   Section Header
======================================== */
.section-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto var(--spacing-3xl);
    position: relative;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary-red-light), var(--primary-red));
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    box-shadow: 0 4px 15px rgba(214, 32, 39, 0.25);
}

.section-header h2 {
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
    position: relative;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-blue));
    border-radius: 2px;
    margin: 20px auto 0;
}

.section-header p {
    color: var(--gray-600);
    font-size: 1.15rem;
    line-height: 1.7;
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 700;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    color: var(--white);
    border-color: var(--primary-red);
    box-shadow: 0 4px 15px rgba(214, 32, 39, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-red-dark), var(--primary-red-dark));
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(214, 32, 39, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: var(--white);
    border-color: var(--primary-blue);
    box-shadow: 0 4px 15px rgba(30, 58, 95, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue-dark));
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(30, 58, 95, 0.4);
}

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

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

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

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

/* ========================================
   Header & Navigation
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-normal);
    overflow-x: clip;
}

.header .container {
    overflow: visible;
}

.header.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
    background: rgba(255, 255, 255, 0.98);
}

.header.hidden {
    transform: translateY(-100%);
}

.navbar {
    padding: clamp(8px, 1.5vw, 12px) 0;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    width: 100%;
}

.logo {
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.logo img {
    height: clamp(40px, 8vw, 60px);
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: clamp(0.3rem, 1.2vw, 1.2rem);
    flex-wrap: nowrap;
    flex: 0 1 auto;
    min-width: 0;
    justify-content: flex-end;
    margin-left: auto;
}

.nav-link {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: clamp(0.8rem, 1.5vw, 0.9375rem);
    color: var(--gray-700);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-red-light));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-red);
    transform: translateY(-2px);
}

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

.nav-btn {
    margin-left: clamp(0.25rem, 0.5vw, 0.5rem);
    white-space: nowrap;
    flex-shrink: 0;
    font-size: clamp(0.75rem, 1.2vw, 0.875rem);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    overflow: hidden;
    background: linear-gradient(135deg, 
        rgba(30, 58, 95, 0.03) 0%, 
        rgba(214, 32, 39, 0.03) 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(214, 32, 39, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse-slow 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(30, 58, 95, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse-slow 10s ease-in-out infinite reverse;
}

@keyframes pulse-slow {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
    opacity: 0.05;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, 
        rgba(214, 32, 39, 0.1) 0%, 
        rgba(214, 32, 39, 0.05) 100%);
    border: 2px solid rgba(214, 32, 39, 0.2);
    color: var(--primary-red);
    font-weight: 700;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xl);
    animation: badge-glow 3s ease-in-out infinite;
}

@keyframes badge-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(214, 32, 39, 0.2); }
    50% { box-shadow: 0 0 30px rgba(214, 32, 39, 0.4); }
}

.hero-text h1 {
    margin-bottom: var(--spacing-xl);
    line-height: 1.2;
    position: relative;
}

.hero-text h1::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 80px;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-red), transparent);
    border-radius: 3px;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
    max-width: 550px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--gray-200);
}

.stat {
    text-align: center;
    position: relative;
}

.stat::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-blue));
    border-radius: 2px;
}

.stat-number {
    display: block;
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-600);
    font-weight: 500;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(214, 32, 39, 0.1) 0%, transparent 70%);
    animation: rotate-slow 20s linear infinite;
}

@keyframes rotate-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 
                0 0 0 1px rgba(0, 0, 0, 0.05);
    text-align: center;
    position: relative;
    z-index: 2;
    animation: float 4s ease-in-out infinite;
    border: 3px solid var(--gray-100);
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(1deg); }
    75% { transform: translateY(-10px) rotate(-1deg); }
}

.card-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-xl);
    box-shadow: 0 10px 30px rgba(214, 32, 39, 0.3);
    position: relative;
}

.card-icon::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
    opacity: 0.2;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

.card-icon i {
    font-size: 2.5rem;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.hero-card h3 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
}

.hero-card p {
    color: var(--gray-600);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.card-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-blue);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 80px;
    fill: var(--white);
}

/* ========================================
   About Section
======================================== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.about-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-red));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: rgba(214, 32, 39, 0.15);
}

.about-card:hover::before {
    opacity: 1;
}

.about-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-red-light), var(--primary-red));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 8px 20px rgba(214, 32, 39, 0.2);
    transition: all 0.3s ease;
}

.about-card:hover .about-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(214, 32, 39, 0.3);
}

.about-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.about-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
    font-weight: 700;
    font-size: 1.25rem;
}

.about-card p {
    color: var(--gray-600);
    margin-bottom: 0;
    line-height: 1.7;
}

/* ========================================
   Courses Section
======================================== */
.section-alt {
    background: linear-gradient(180deg, var(--gray-50), var(--white));
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: start;
    max-width: 1400px;
    margin: 0 auto;
}

.course-card {
    background: var(--white);
    border-radius: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    position: relative;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid var(--gray-100);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.course-card.featured {
    border-color: var(--primary-blue);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(30, 58, 95, 0.2);
}

.course-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
    box-shadow: 0 30px 60px rgba(30, 58, 95, 0.25);
}

.course-badge {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(214, 32, 39, 0.3);
}

.course-card.featured .course-badge {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.3);
}

.course-header {
    padding: 2.5rem 2rem 2rem;
    background: linear-gradient(180deg, var(--gray-50), var(--white));
    text-align: center;
    position: relative;
}

.course-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

.course-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.course-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
}

.price-value {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    color: var(--gray-500);
    font-size: 1rem;
    font-weight: 500;
}

.price-detail {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-top: var(--spacing-sm);
    font-weight: 600;
}

.price {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.period {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.course-body {
    padding: var(--spacing-2xl);
}

.course-features {
    margin-bottom: var(--spacing-xl);
}

.course-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    color: var(--gray-700);
}

.course-features li i {
    color: var(--success);
    font-size: 0.875rem;
}

.course-features li.feature-disabled i,
.course-features li.feature-disabled span {
    color: #999;
}

/* ========================================
   TCF Info Section
======================================== */
.tcf-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: var(--spacing-3xl);
}

.tcf-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border-left: 5px solid var(--primary-red);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.tcf-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    border-radius: 0 0 0 80px;
    opacity: 0.05;
    transition: all 0.3s ease;
}

.tcf-card:nth-child(odd)::before {
    background: var(--primary-red);
}

.tcf-card:nth-child(even)::before {
    background: var(--primary-blue);
}

.tcf-card:hover {
    transform: translateY(-8px) translateX(5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.tcf-card:hover::before {
    width: 120px;
    height: 120px;
    opacity: 0.08;
}

.tcf-card:nth-child(even) {
    border-left-color: var(--primary-blue);
}

.tcf-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    transition: all 0.3s ease;
}

.tcf-card:nth-child(odd) .tcf-icon {
    background: linear-gradient(135deg, rgba(214, 32, 39, 0.1), rgba(214, 32, 39, 0.05));
    color: var(--primary-red);
}

.tcf-card:nth-child(even) .tcf-icon {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.1), rgba(30, 58, 95, 0.05));
    color: var(--primary-blue);
}

.tcf-card:hover .tcf-icon {
    transform: scale(1.1);
}

.tcf-icon i {
    font-size: 1.75rem;
}

.tcf-card h3 {
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    font-size: 1.25rem;
}

.tcf-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.tcf-level {
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, var(--gray-50), rgba(214, 32, 39, 0.03));
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--gray-100);
}

.tcf-level span {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.tcf-level strong {
    color: var(--primary-blue);
    font-weight: 700;
}

.tcf-cta {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    padding: 3rem;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    box-shadow: 0 20px 40px rgba(30, 58, 95, 0.3);
}

.tcf-cta-content h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.tcf-cta-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

/* ========================================
   Testimonials Section
======================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 5rem;
    font-family: Georgia, serif;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.1;
    line-height: 1;
    transition: opacity 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.testimonial-card:hover::before {
    opacity: 0.2;
}

.testimonial-content {
    margin-bottom: var(--spacing-xl);
}

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

.stars i {
    color: var(--warning);
    font-size: 1rem;
    filter: drop-shadow(0 1px 2px rgba(245, 158, 11, 0.3));
}

.testimonial-content p {
    color: var(--gray-700);
    font-style: italic;
    line-height: 1.8;
    font-size: 0.95rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-100);
}

.author-avatar {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 4px 12px rgba(214, 32, 39, 0.3);
    transition: transform 0.3s ease;
}

.testimonial-card:hover .author-avatar {
    transform: scale(1.1);
}

.author-info strong {
    display: block;
    color: var(--gray-800);
    font-size: 0.95rem;
}

.author-info span {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ========================================
   CTA Section
======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 50%, var(--primary-blue-dark) 100%);
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: rotate-slow 20s linear infinite;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 2.25rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    max-width: 650px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* ========================================
   Contact Section
======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-red-light), var(--primary-red));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--white);
    font-size: 1.25rem;
}

.contact-text h4 {
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.contact-text p {
    color: var(--gray-600);
    margin-bottom: 0;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.social-link {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-red);
    border-color: var(--primary-red);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(214, 32, 39, 0.3);
}

.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: linear-gradient(180deg, var(--gray-900) 0%, #0a0f1a 100%);
    color: var(--gray-400);
    padding: 4rem 0 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-blue));
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: var(--spacing-3xl);
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    align-items: start;
}

.footer-logo {
    height: 100px;
    margin-bottom: var(--spacing-lg);
    transition: transform 0.3s ease;
}

.footer-logo:hover {
    transform: scale(1.05);
}

.footer-brand p {
    margin-bottom: 0;
    line-height: 1.8;
    font-size: 0.95rem;
}

.footer-contact-info {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    line-height: 1.6;
}

.footer-contact-info li i {
    color: var(--primary-red);
    margin-top: 0.2rem;
    flex-shrink: 0;
    width: 18px;
    text-align: center;
}

.footer-contact-info a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-contact-info a:hover {
    color: var(--primary-red);
}

.footer-contact-info strong {
    color: var(--gray-300);
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.15rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.25rem;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: white;
    border-radius: 50%;
    font-size: 1.25rem;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.footer-social a:hover {
    transform: scale(1.15);
    opacity: 0.9;
}

.footer-social .social-instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.footer-social .social-youtube {
    background: #FF0000;
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-red), transparent);
    border-radius: 2px;
}

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

.footer-links a {
    color: var(--gray-400);
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary-red);
    transform: translateX(5px);
}

.footer-newsletter h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-newsletter p {
    margin-bottom: var(--spacing-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
    font-size: 0.875rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
}

.newsletter-form input::placeholder {
    color: var(--gray-500);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(214, 32, 39, 0.15);
}

.footer-bottom {
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-legal a {
    color: var(--gray-500);
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--white);
}

/* ========================================
   WhatsApp Float Button
======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 64px;
    height: 64px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.15);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
}

/* ========================================
   Responsive Design
======================================== */

/* Tablets - 2 colunas */
@media (max-width: 1200px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    /* Ativar menu mobile mais cedo devido aos muitos itens */
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 90px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        -webkit-backdrop-filter: blur(15px);
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
        max-width: 100vw;
        z-index: 999;
        flex: none;
        min-width: auto;
        justify-content: center;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        padding: var(--spacing-sm) 0;
        text-align: center;
    }
    
    .nav-btn {
        margin-left: 0;
        width: 100%;
    }
    
    .language-selector {
        width: 100%;
        margin-left: 0;
    }
    
    .language-toggle {
        width: 100%;
        justify-content: center;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text p {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .course-card.featured {
        transform: none;
    }
    
    .course-card.featured:hover {
        transform: translateY(-5px);
    }
    
    .tcf-grid {
        grid-template-columns: 1fr;
    }
    
    .tcf-cta {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 768px) {
    /* Menu mobile já está definido em 1024px */
    
    .hero {
        min-height: 500px;
        padding: 120px 0 80px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .card,
    .course-card,
    .testimonial-card {
        max-width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-contact-info {
        align-items: center;
    }
    
    .footer-contact-info li {
        justify-content: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .banner-content {
        flex-direction: column;
        text-align: center;
    }
    
    .banner-text {
        text-align: center;
    }
}

/* ========================================
   Free Tools Banner Section
======================================== */
.free-tools-banner {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    padding: 2rem 0;
    box-shadow: 0 8px 20px rgba(30, 58, 95, 0.3);
    position: relative;
    overflow: hidden;
}

.free-tools-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.banner-icon {
    font-size: 3.5rem;
    color: var(--warning);
    animation: bounce 2s infinite;
    filter: drop-shadow(0 4px 8px rgba(245, 158, 11, 0.3));
}

.banner-text {
    flex: 1;
    min-width: 250px;
}

.banner-text h3 {
    color: var(--white);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.banner-text p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    margin: 0;
}

.banner-content .btn-white {
    background: var(--white);
    color: var(--primary-blue);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.banner-content .btn-white:hover {
    background: var(--gray-50);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ========================================
   Free Tools Section
======================================== */
.free-tools {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.free-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.free-tool-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.free-tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--success), #34D399);
    transition: height 0.3s ease;
}

.free-tool-card.featured-tool::before {
    background: linear-gradient(90deg, var(--primary-red), var(--primary-red-light));
}

.free-tool-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.free-tool-card:hover::before {
    height: 6px;
}

.free-tool-card .tool-icon {
    width: 85px;
    height: 85px;
    background: linear-gradient(135deg, var(--success), #34D399);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.2rem;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
    transition: all 0.3s ease;
}

.free-tool-card:hover .tool-icon {
    transform: scale(1.1) rotate(5deg);
}

.free-tool-card.featured-tool .tool-icon {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    box-shadow: 0 8px 20px rgba(214, 32, 39, 0.3);
    animation: pulse 2s infinite;
}

.free-tool-card h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    font-weight: 700;
}

.free-tool-card p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.free-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--success), #34D399);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.free-badge.premium {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    box-shadow: 0 4px 12px rgba(214, 32, 39, 0.3);
}

.free-tools-cta {
    text-align: center;
    margin-top: 3rem;
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .course-header,
    .course-body {
        padding: var(--spacing-xl);
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-lg);
    }
    
    /* Garantir que nada ultrapasse a tela */
    .hero-card,
    .about-card,
    .course-card,
    .tcf-card,
    .testimonial-card,
    .footer-grid {
        max-width: 100%;
    }
    
    /* Ajustar botões CTA */
    .cta-buttons a,
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    /* Ajustar grids */
    .footer-grid {
        grid-template-columns: 1fr;
    }
}