@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@500;600;700&display=swap');

:root {
    --azul: #3A57A4;
    --azul-escuro: #2c4380;
    --branco: #FFFFFF;
    --cinza-claro: #F4F6FB;
    --cinza-texto: #4A4A4A;
    --sombra: 0 4px 16px rgba(58, 87, 164, 0.12);
    --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    color: var(--cinza-texto);
    background: var(--cinza-claro);
    line-height: 1.6;
}

h1, h2, h3, h4 { font-weight: 700; color: var(--azul); }
strong, b { font-weight: 700; }

a { color: var(--azul); text-decoration: none; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header {
    background: var(--branco);
    box-shadow: var(--sombra);
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; color: var(--azul); }
.logo img { height: 40px; }

.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { font-weight: 600; color: var(--cinza-texto); }
.nav-links a:hover { color: var(--azul); }
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover { color: var(--branco); }
.nav-links a.btn-outline { color: var(--azul); }
.nav-links a.btn-outline:hover { color: var(--branco); }

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary { background: var(--azul); color: var(--branco); }
.btn-primary:hover { background: var(--azul-escuro); transform: translateY(-1px); box-shadow: var(--sombra); }
.btn-outline { background: transparent; color: var(--azul); border: 2px solid var(--azul); }
.btn-outline:hover { background: var(--azul); color: var(--branco); }

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(135deg, var(--azul) 0%, var(--azul-escuro) 100%);
    color: var(--branco);
    padding: 80px 0;
    text-align: center;
}
.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    border: 1.5px solid rgba(255,255,255,0.35);
    color: var(--branco);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    padding: 6px 18px;
    border-radius: 999px;
    margin-bottom: 20px;
}
.hero h1 { color: var(--branco); font-size: 2.4rem; margin-bottom: 16px; }
.hero p { font-size: 1.1rem; max-width: 700px; margin: 0 auto 32px; opacity: 0.95; }
.hero .btn-primary { background: var(--branco); color: var(--azul); }
.hero .btn-primary:hover { background: #eef1fb; }

/* ---------- Barra de estatísticas ---------- */
.stats-bar { background: var(--azul-escuro); padding: 32px 0; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
    text-align: center;
}
.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-num { font-size: 1.8rem; font-weight: 700; color: var(--branco); }
.stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.75); font-weight: 600; }

/* ---------- Passos numerados (Como funciona) ---------- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
}
.step-item {
    text-align: center;
    padding: 20px;
    position: relative;
}
.step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--azul);
    color: var(--branco);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 auto 16px;
    box-shadow: var(--sombra);
}
.step-item h3 { font-size: 1rem; margin-bottom: 8px; }
.step-item p { font-size: 0.9rem; color: #777; }

/* ---------- CTA final ---------- */
.cta-final {
    background: linear-gradient(135deg, var(--azul) 0%, var(--azul-escuro) 100%);
    padding: 64px 0;
}

/* ---------- Cards de conteúdo ---------- */
.section { padding: 64px 0; }
.section h2 { text-align: center; font-size: 1.8rem; margin-bottom: 40px; }

.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.card {
    background: var(--branco);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--sombra);
}
.card h3 { font-size: 1.1rem; margin-bottom: 12px; }
.card ul { padding-left: 20px; }
.card li { margin-bottom: 8px; }

/* ---------- Formulários ---------- */
.form-box {
    background: var(--branco);
    max-width: 440px;
    margin: 60px auto;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--sombra);
}
.form-box h1 { font-size: 1.5rem; margin-bottom: 24px; text-align: center; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid #dde3f0;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--azul); }
.form-box .btn { width: 100%; margin-top: 8px; }
.form-links { text-align: center; margin-top: 18px; font-size: 0.9rem; }
.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; font-size: 0.9rem; font-weight: 600; }
.alert-erro { background: #fde8e8; color: #c0392b; }
.alert-sucesso { background: #e8f8ee; color: #1e8449; }

/* ---------- Painel EAD (aluno) ---------- */
.ead-wrapper { display: flex; min-height: 100vh; }
.ead-sidebar {
    width: 260px;
    background: var(--azul);
    color: var(--branco);
    padding: 24px;
    flex-shrink: 0;
}
.ead-sidebar h2 { color: var(--branco); font-size: 1.1rem; margin-bottom: 24px; }
.ead-progresso { background: rgba(255,255,255,0.15); border-radius: 10px; padding: 14px; font-size: 0.85rem; }
.ead-content { flex: 1; padding: 40px; }

.video-box { background: #000; border-radius: var(--radius); overflow: hidden; margin-bottom: 24px; }
.video-box video { width: 100%; display: block; max-height: 480px; }

.material-box, .conteudo-box {
    background: var(--branco);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--sombra);
    margin-bottom: 20px;
}

.quiz-box { background: var(--branco); border-radius: var(--radius); padding: 30px; box-shadow: var(--sombra); }
.quiz-alt { display: block; padding: 14px 18px; border: 1.5px solid #dde3f0; border-radius: 10px; margin-bottom: 12px; cursor: pointer; }
.quiz-alt:hover { border-color: var(--azul); }
.quiz-alt input { margin-right: 10px; }

/* ---------- Admin ---------- */
.admin-wrapper { display: flex; min-height: 100vh; }
.admin-sidebar { width: 240px; background: var(--azul-escuro); color: var(--branco); flex-shrink: 0; }
.admin-sidebar a { display: block; color: var(--branco); padding: 14px 22px; font-weight: 600; font-size: 0.9rem; opacity: 0.85; }
.admin-sidebar a:hover, .admin-sidebar a.ativo { opacity: 1; background: rgba(255,255,255,0.1); }
.admin-content { flex: 1; padding: 32px; }
.admin-content h1 { margin-bottom: 24px; }

table.admin-table { width: 100%; border-collapse: collapse; background: var(--branco); border-radius: var(--radius); overflow: hidden; box-shadow: var(--sombra); }
table.admin-table th, table.admin-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid #eef1fb; font-size: 0.9rem; }
table.admin-table th { background: var(--cinza-claro); font-weight: 700; color: var(--azul); }

.btn-sm { padding: 6px 14px; font-size: 0.8rem; border-radius: 8px; }
.btn-danger { background: #e74c3c; color: var(--branco); }
.btn-secondary { background: #dde3f0; color: var(--cinza-texto); }

/* ---------- Botão flutuante de dúvidas ---------- */
.btn-duvidas {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--azul);
    color: var(--branco);
    padding: 14px 22px;
    border-radius: 999px;
    box-shadow: var(--sombra);
    font-weight: 700;
    z-index: 999;
}
.btn-duvidas:hover { background: var(--azul-escuro); }

/* ---------- Footer ---------- */
.site-footer { background: var(--azul-escuro); color: var(--branco); text-align: center; padding: 32px 0; margin-top: 60px; font-size: 0.85rem; }

/* ---------- Responsivo ---------- */
@media (max-width: 768px) {
    .nav-links a:not(.btn) { display: none; }
    .nav-links { gap: 8px; }
    .nav-links .btn { padding: 10px 16px; font-size: 0.85rem; }
    .hero h1 { font-size: 1.8rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .ead-wrapper, .admin-wrapper { flex-direction: column; }
    .ead-sidebar, .admin-sidebar { width: 100%; }
    .form-box { margin: 30px 16px; padding: 28px; }
}

@media (max-width: 480px) {
    .logo span { font-size: 0.95rem; }
    .logo img { height: 32px; }
}