/* ===== VARIÁVEIS CSS ===== */
:root {
    --cor-primaria: #6366F1;
    --cor-secundaria: #EC4899;
    --cor-terciaria: #10B981;
    --cor-fundo: #0F172A;
    --cor-fundo-claro: #1E293B;
    --cor-texto: #F1F5F9;
    --cor-texto-secundario: #94A3B8;
    --cor-sucesso: #10B981;
    --cor-erro: #EF4444;
    --cor-alerta: #F59E0B;
    --cor-whatsapp: #25D366;
    
    --espacamento-xs: 0.5rem;
    --espacamento-sm: 1rem;
    --espacamento-md: 1.5rem;
    --espacamento-lg: 2rem;
    --espacamento-xl: 3rem;
    
    --border-radius: 12px;
    --border-radius-lg: 20px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--cor-fundo) 0%, #1a1f3a 100%);
    color: var(--cor-texto);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

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

/* ===== ANIMAÇÃO DE FUNDO (ESTRELAS) ===== */
.estrelas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.estrelas::before,
.estrelas::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    box-shadow: 
        100px 200px white,
        200px 100px white,
        300px 300px white,
        400px 150px white,
        500px 400px white,
        600px 250px white,
        700px 350px white,
        800px 200px white,
        900px 450px white,
        1000px 100px white,
        150px 350px white,
        250px 450px white,
        350px 150px white,
        450px 300px white,
        550px 200px white,
        650px 400px white,
        750px 150px white,
        850px 350px white,
        950px 250px white,
        1050px 400px white;
    animation: estrelas-animacao 3s ease-in-out infinite alternate;
}

.estrelas::after {
    animation-duration: 4s;
    animation-delay: 1s;
}

@keyframes estrelas-animacao {
    from { opacity: 0.3; }
    to { opacity: 1; }
}

/* ===== HEADER ===== */
.header {
    position: relative;
    z-index: 10;
    padding: var(--espacamento-xl) 0;
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--espacamento-sm);
    margin-bottom: var(--espacamento-sm);
}

.logo-icon {
    font-size: 3rem;
    animation: logo-bounce 2s ease-in-out infinite;
}

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

.logo h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria), var(--cor-terciaria));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.2rem;
    color: var(--cor-texto-secundario);
    font-weight: 500;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    position: relative;
    z-index: 10;
    padding-bottom: var(--espacamento-xl);
}

/* ===== HERO SECTION ===== */
.hero {
    text-align: center;
    padding: var(--espacamento-xl) 0;
    margin-bottom: var(--espacamento-xl);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--espacamento-md);
    color: var(--cor-texto);
}

.hero-text {
    font-size: 1.3rem;
    color: var(--cor-texto-secundario);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== SECTIONS ===== */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--espacamento-xl);
    color: var(--cor-texto);
}

/* ===== MODULES GRID ===== */
.modules {
    padding: var(--espacamento-xl) 0;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--espacamento-lg);
    margin-bottom: var(--espacamento-xl);
}

.module-card {
    background: var(--cor-fundo-claro);
    border-radius: var(--border-radius-lg);
    padding: var(--espacamento-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--cor-primaria), var(--cor-secundaria));
    transition: var(--transition);
}

.module-card[data-color="green"]::before {
    background: linear-gradient(90deg, #10B981, #34D399);
}

.module-card[data-color="purple"]::before {
    background: linear-gradient(90deg, #7C3AED, #3B82F6);
}

.module-card[data-color="pink"]::before {
    background: linear-gradient(90deg, #9333EA, #EC4899);
}

.module-card[data-color="whatsapp"]::before {
    background: linear-gradient(90deg, #25D366, #128C7E);
}

.module-card[data-color="english"]::before {
    background: linear-gradient(90deg, #F59E0B, #F97316);
}

.module-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.module-icon {
    font-size: 4rem;
    margin-bottom: var(--espacamento-md);
    text-align: center;
}

.module-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--espacamento-sm);
    color: var(--cor-texto);
}

.module-description {
    color: var(--cor-texto-secundario);
    margin-bottom: var(--espacamento-md);
    line-height: 1.6;
    min-height: 80px;
}

.module-stats {
    display: flex;
    gap: var(--espacamento-md);
    margin-bottom: var(--espacamento-md);
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

.stat-icon {
    font-size: 1.2rem;
}

.stat-text {
    color: var(--cor-texto-secundario);
    font-weight: 500;
}

.module-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--espacamento-xs);
    width: 100%;
    padding: var(--espacamento-sm) var(--espacamento-md);
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.module-card[data-color="green"] .module-button {
    background: linear-gradient(135deg, #10B981, #34D399);
}

.module-card[data-color="purple"] .module-button {
    background: linear-gradient(135deg, #7C3AED, #3B82F6);
}

.module-card[data-color="pink"] .module-button {
    background: linear-gradient(135deg, #9333EA, #EC4899);
}

.module-card[data-color="english"] .module-button {
    background: linear-gradient(135deg, #F59E0B, #F97316);
}

.module-card[data-color="whatsapp"] .module-button {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.module-button:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.button-arrow {
    font-size: 1.5rem;
    transition: var(--transition);
}

.module-button:hover .button-arrow {
    transform: translateX(5px);
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: var(--espacamento-xl) 0;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-lg);
    margin: var(--espacamento-xl) var(--espacamento-md);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--espacamento-lg);
}

.feature-card {
    text-align: center;
    padding: var(--espacamento-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--espacamento-sm);
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--espacamento-xs);
    color: var(--cor-texto);
}

.feature-text {
    color: var(--cor-texto-secundario);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== FOOTER ===== */
.footer {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: var(--espacamento-xl) 0;
    margin-top: var(--espacamento-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--espacamento-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--espacamento-xs);
}

.footer-icon {
    font-size: 1.5rem;
}

.footer-info {
    color: var(--cor-texto-secundario);
    font-size: 0.95rem;
}

/* ===== RESPONSIVO ===== */
@media (max-width: 768px) {
    .logo h1 {
        font-size: 2rem;
    }
    
    .logo-icon {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-text {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .modules-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .module-description {
        min-height: auto;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .module-icon {
        font-size: 3rem;
    }
}