/* ==================== HERO SECTION ==================== */
.hero {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn-cta {
    display: inline-block;
    background-color: white;
    color: #4A90E2;
    padding: 1rem 2.5rem;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* ==================== SECÇÕES DE CONTEÚDO ==================== */
.cursos-populares,
.palestras-vistas,
.testemunhos {
    padding: 4rem 2rem;
}

.cursos-populares {
    background-color: #fff;
}

.palestras-vistas {
    background-color: #f9f9f9;
}

.testemunhos {
    background-color: #fff;
}

.cursos-populares h2,
.palestras-vistas h2,
.testemunhos h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #333;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* ==================== CARDS DE CURSOS E PALESTRAS ==================== */
.course-card,
.palestra-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.course-card:hover,
.palestra-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.card-header {
    padding: 1.5rem;
    color: white;
}

.card-header.laranja {
    background-color: #E89A3C;
}

.card-header.vermelho {
    background-color: #D96459;
}

.card-header.verde {
    background-color: #5FA777;
}

.card-header h3 {
    font-size: 1.3rem;
}

.card-body {
    padding: 1.5rem;
}

.card-body p {
    color: #666;
    margin-bottom: 1rem;
}

.card-stats {
    display: flex;
    justify-content: space-between;
    color: #888;
    font-size: 0.9rem;
}

/* ==================== TESTEMUNHOS ==================== */
.testemunhos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testemunho-card {
    background-color: #f9f9f9;
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid #4A90E2;
}

.testemunho-texto p {
    font-style: italic;
    color: #555;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.testemunho-autor strong {
    display: block;
    color: #333;
    margin-bottom: 0.3rem;
}

.testemunho-autor span {
    color: #888;
    font-size: 0.9rem;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
}