/* Reset básico para manter o padrão em todos os navegadores */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body {
    background-color: #f4f4f9;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

/* --- NAVBAR E LOGO --- */
.navbar {
    background: #020c1b;
    padding: 20px 0;
    text-align: center;
    border-bottom: 1px solid #112240;
}

.logo {
    max-height: 70px;
    width: auto;
}

/* --- HERO SECTION --- */
.hero {
    background: linear-gradient(135deg, #0a192f 0%, #020c1b 100%);
    color: #fff;
    padding: 80px 0;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #e6f1ff;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #8892b0;
}

.video-placeholder {
    width: 100%;
    max-width: 700px;
    height: 400px;
    background-color: #112240;
    margin: 0 auto 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 2px dashed #233554;
    color: #8892b0;
}

/* --- BOTÃO DE CHAMADA (CTA) --- */
.btn-cta {
    display: inline-block;
    background-color: #28a745;
    color: #fff;
    padding: 18px 40px;
    font-size: 1.2rem;
    font-weight: bold;
    text-decoration: none;
    border-radius: 5px;
    text-transform: uppercase;
    transition: background 0.3s ease;
}

.btn-cta:hover {
    background-color: #218838;
}

.pulse {
    animation: pulse-animation 2s infinite;
}

@keyframes pulse-animation {
    0% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(40, 167, 69, 0); }
    100% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0); }
}

/* --- SEÇÕES GERAIS --- */
section {
    padding: 80px 0;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 40px;
    color: #0a192f;
}

/* --- CARDS E GRIDS --- */
.cards-publico, .video-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.card, .video-box {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    flex: 1;
    min-width: 250px;
}

.video-box {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e2e8f0;
}

/* --- PROFESSORES --- */
.professores {
    background-color: #f4f4f9;
}

.prof-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.prof-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    width: 320px;
    text-align: center;
    border-top: 4px solid #0a192f;
}

.prof-foto {
    width: 130px;
    height: 130px;
    background: #e2e8f0;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: #888;
    overflow: hidden;
}

.prof-foto img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.prof-card h3 {
    color: #0a192f;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.prof-card p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.5;
}

/* --- OFERTA --- */
.oferta {
    background-color: #e6f1ff;
}

.preco-box {
    background: #fff;
    max-width: 500px;
    margin: 0 auto;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-top: 5px solid #0a192f;
}

.preco-antigo { text-decoration: line-through; color: #888; }
.preco-atual { font-size: 3rem; font-weight: bold; color: #0a192f; margin: 10px 0; }
.preco-vista { margin-bottom: 30px; color: #555; }

/* --- FOOTER --- */
footer {
    background: #020c1b;
    color: #8892b0;
    padding: 20px 0;
    text-align: center;
}

/* --- WHATSAPP FLUTUANTE CORRIGIDO --- */
.whatsapp-float {
    position: fixed !important;
    bottom: 30px !important;
    right: 30px !important;
    width: 60px !important;
    height: 60px !important;
    background-color: #25d366;
    border-radius: 50px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
    z-index: 9999 !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

.whatsapp-float img {
    width: 35px !important;
    height: 35px !important;
    object-fit: contain !important;
    margin: 0 !important;
    padding: 0 !important;
}