:root {
  --preto: #0B0B0B;
  --preto-sec: #141414;
  --dourado: #C9A24D;
  --branco: #FFFFFF;
  --cinza: #B5B5B5;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: var(--preto);
  color: var(--branco);
}

.container {
  max-width: 420px;
  margin: 0 auto;
  padding: 24px 16px 100px;
}

.titulo {
  font-size: 22px;
  color: var(--dourado);
  text-align: center;
  margin-bottom: 6px;
}

.subtitulo {
  font-size: 14px;
  color: var(--cinza);
  text-align: center;
  margin-bottom: 24px;
}

/* CARD */
.card {
  background: var(--preto-sec);
  border-radius: 14px;
  padding: 18px;
  border: 1px solid rgba(201,162,77,0.3);
}

.card h2 {
  font-size: 16px;
  color: var(--dourado);
  margin-bottom: 6px;
}

.card p {
  font-size: 14px;
  color: var(--cinza);
}

/* MENU INFERIOR */
.menu-bottom {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: #000;
  display: flex;
  justify-content: space-around;
  padding: 12px 0;
  border-top: 1px solid rgba(201,162,77,0.4);
}

.menu-bottom a {
  font-size: 11px;
  color: var(--cinza);
  text-decoration: none;
  text-align: center;
}

.menu-bottom a span {
  display: block;
  margin-top: 4px;
}

.menu-bottom a.ativo {
  color: var(--dourado);
}/* LISTA DE MÓDULOS */
.lista-modulos {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-modulo {
  background: linear-gradient(180deg, #141414, #0B0B0B);
  border-radius: 16px;
  padding: 20px;
  text-decoration: none;
  border: 1px solid rgba(201,162,77,0.35);
  transition: transform 0.2s ease;
}

.card-modulo:active {
  transform: scale(0.98);
}

.card-modulo .numero {
  font-size: 11px;
  color: var(--cinza);
  letter-spacing: 1px;
}

.card-modulo h2 {
  font-size: 16px;
  color: var(--dourado);
  margin: 6px 0;
}

.card-modulo p {
  font-size: 14px;
  color: var(--cinza);
}.card-modulo {
  background: linear-gradient(180deg, #181818, #0B0B0B);
  border-radius: 18px;
  padding: 22px;
  border: 1px solid rgba(201,162,77,0.45);
}

.card-modulo .numero {
  font-size: 11px;
  letter-spacing: 1px;
  color: #888;
}

.card-modulo h2 {
  font-size: 16px;
  color: #C9A24D;
  margin: 8px 0;
}

.card-modulo p {
  font-size: 14px;
  color: #B5B5B5;
}/* AULA TEXTO + IMAGENS */
.titulo-aula {
  font-size: 20px;
  color: var(--dourado);
  margin-bottom: 6px;
}

.subtitulo-aula {
  font-size: 14px;
  color: var(--cinza);
  margin-bottom: 20px;
}

.bloco-texto {
  background: var(--preto-sec);
  padding: 18px;
  border-radius: 14px;
  margin-bottom: 16px;
}

.bloco-texto h2 {
  font-size: 16px;
  color: var(--dourado);
  margin-bottom: 8px;
}

.bloco-texto p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--branco);
}

.bloco-texto.destaque {
  border: 1px solid rgba(201,162,77,0.4);
  background: linear-gradient(180deg, #1a1a1a, #0B0B0B);
}

.imagem-aula img {
  width: 100%;
  border-radius: 14px;
  margin-bottom: 18px;
}

.btn-proxima {
  display: block;
  text-align: center;
  background: linear-gradient(90deg, #C9A24D, #E6C87A);
  color: #000;
  padding: 14px;
  border-radius: 14px;
  font-weight: bold;
  text-decoration: none;
  margin: 30px 0 10px;
}/* TOM DIFERENTE PARA PÁGINAS DE AULA */
.aula-bg {
  background: linear-gradient(180deg, #11100E, #0B0B0B);
  border-radius: 18px;
  padding: 24px 16px 100px;
}

/* Cards da aula */
.aula-bg .bloco-texto {
  background: #1A1814;
}

/* Texto mais confortável */
.aula-bg p {
  color: #EDEDED;
}.logo-topo {
  text-align: center;
  margin: 20px 0 28px;
}

.logo-topo img {
  max-width: 180px;
  width: 100%;
}