:root {
  --topo: #203c34;
  --pagina: #274b41;
  --cartao: #447366;
  --cartao-aula: #315f52;
  --verde: #3b9e84;
  --verde-claro: #add5b8;
  --branco: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--pagina);
  color: var(--branco);
  font-family: Roboto, Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a { color: inherit; }

.topo { background: var(--topo); }

.topo__dentro {
  max-width: 1280px;
  margin: 0 auto;
  padding: 38px 20px 44px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topo__logo img { display: block; height: 96px; width: auto; }

.topo__nav { display: flex; flex-wrap: wrap; gap: 20px; }

.etiqueta {
  display: inline-block;
  background: var(--verde);
  color: var(--branco);
  font-size: 15px;
  font-weight: 500;
  text-transform: uppercase;
  text-decoration: none;
  padding: 9px 24px;
  border-radius: 3px;
}

.etiqueta--bloqueada { opacity: .75; cursor: default; }
a.etiqueta:hover { background: #348d76; }

main {
  max-width: 1320px;
  margin: 0 auto;
  padding: 100px 20px 80px;
}

.cartao {
  background: var(--cartao);
  border-radius: 10px;
  padding: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 40px;
}

.video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video--bloqueado {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-size: cover;
  background-position: center;
  text-align: center;
  font-size: 18px;
  font-weight: 500;
}

.video--bloqueado::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(32, 60, 52, .78);
}

.video--bloqueado > * { position: relative; }
.video--bloqueado .cadeado .ico-cadeado { width: 72px; height: 72px; }

.ico-cadeado { width: 1em; height: 1em; vertical-align: -0.12em; }

.video__capa {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: #000;
  cursor: pointer;
}

.video__capa img { display: block; width: 100%; height: 100%; object-fit: cover; }

.video__play {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 84px;
  height: 84px;
  transform: translate(-50%, -50%);
  border: 4px solid rgba(255, 255, 255, .9);
  border-radius: 50%;
}

.video__play::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 54%;
  transform: translate(-50%, -50%);
  border-style: solid;
  border-width: 16px 0 16px 26px;
  border-color: transparent transparent transparent rgba(255, 255, 255, .9);
}

.video__capa:hover .video__play { border-color: #fff; }

.texto { padding: 30px 10px 10px; }
.texto p { margin: 22px 0; }

.botao-claro {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--verde-claro);
  color: #14261f;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  padding: 10px 22px;
  border-radius: 3px;
  margin: 0 8px 8px 0;
}

a.botao-claro:hover { background: #9ccaa9; }

.materiais { font-weight: 700; margin: 18px 0 8px !important; }

.lista-materiais { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; justify-items: start; }
.lista-materiais .botao-claro { margin: 0; }
.ico { width: 16px; height: 16px; flex: none; }

.lista-aulas {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
  align-content: start;
}

.aula {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  background: var(--cartao-aula);
  border-radius: 8px;
  padding: 10px;
  color: var(--branco);
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .25);
}

.aula--atual { outline: 2px solid var(--branco); outline-offset: 2px; box-shadow: 0 0 0 5px var(--cartao-aula); }

.aula__img { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.aula__img img { display: block; width: 100%; height: 100%; object-fit: cover; }

.aula--bloqueada .aula__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(32, 60, 52, .45) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M17 9V7A5 5 0 0 0 7 7v2H5.5A1.5 1.5 0 0 0 4 10.500v10A1.5 1.500 0 0 0 5.500 22h13a1.500 1.500 0 0 0 1.500-1.500v-10A1.500 1.500 0 0 0 18.500 9H17Zm-8 0V7a3 3 0 0 1 6 0v2H9Zm3 4a2 2 0 0 1 1 3.730V19h-2v-2.270A2 2 0 0 1 12 13Z'/%3E%3C/svg%3E") center / 38% no-repeat;
}

.aula h2 { font-size: 16px; font-weight: 500; line-height: 1.1; margin: 22px 0 18px; }
.aula small { display: block; font-size: 13px; text-transform: uppercase; opacity: .8; }
.aula small b { font-weight: 500; text-transform: none; }

@media (max-width: 900px) {
  .topo__dentro { justify-content: center; padding: 22px 16px; }
  .topo__logo img { height: 68px; }
  .topo__nav { gap: 10px; justify-content: center; }
  .etiqueta { padding: 8px 14px; font-size: 14px; }
  main { padding: 24px 12px 48px; }
  .cartao { grid-template-columns: 1fr; gap: 24px; padding: 12px; }
  .texto { padding: 20px 4px 4px; }
}

button.botao-claro { border: 0; font-family: inherit; cursor: pointer; }
button.botao-claro:hover { background: #9ccaa9; }

.modal {
  width: min(440px, calc(100% - 32px));
  border: 0;
  border-radius: 10px;
  padding: 32px 28px 28px;
  background: var(--topo);
  color: var(--branco);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
}

.modal::backdrop { background: rgba(10, 22, 18, .75); }

.modal h2 { font-size: 22px; line-height: 1.2; margin: 0 0 8px; }
.modal p { margin: 0 0 18px; opacity: .9; }

.modal label { display: block; font-size: 14px; font-weight: 500; margin: 14px 0 6px; }

.modal input[type="text"],
.modal input[type="email"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: var(--branco);
  color: #14261f;
  font: inherit;
}

.modal input:focus-visible { outline: 3px solid var(--verde-claro); outline-offset: 1px; }

.modal__mel { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.modal__erro {
  margin: 14px 0 0 !important;
  padding: 10px 12px;
  border-radius: 4px;
  background: #5a2a22;
  font-size: 14px;
}

.modal__enviar {
  width: 100%;
  margin-top: 20px;
  padding: 14px 16px;
  border: 0;
  border-radius: 4px;
  background: var(--verde);
  color: var(--branco);
  font: inherit;
  font-weight: 700;
  letter-spacing: .02em;
  cursor: pointer;
}

.modal__enviar:hover { background: #348d76; }
.modal__enviar:disabled { opacity: .6; cursor: progress; }

.modal__fechar {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 36px;
  height: 36px;
  border: 0;
  background: none;
  color: var(--branco);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  opacity: .8;
}

.modal__fechar:hover { opacity: 1; }

.cartao-whatsapp {
  margin-top: 100px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 32px;
  padding: 22px 32px;
}

.cartao-whatsapp__foto { width: 100px; height: 100px; border-radius: 50%; display: block; margin-left: 28px; }
.cartao-whatsapp h2 { font-size: 18px; font-weight: 700; line-height: 1.25; margin: 0 0 6px; }
.cartao-whatsapp p { margin: 0; font-size: 15px; }
.cartao-whatsapp__botao { font-size: 17px; padding: 12px 22px; margin-right: 28px; }
.cartao-whatsapp__botao .ico { width: 18px; height: 18px; margin-right: 8px; vertical-align: -3px; }

@media (max-width: 900px) {
  .cartao-whatsapp { margin-top: 28px; grid-template-columns: 1fr; text-align: center; gap: 16px; padding: 24px 16px; }
  .cartao-whatsapp__foto, .cartao-whatsapp__botao { margin: 0 auto; }
}