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

/* VARIÁVEIS */
:root {
  --azul: #224ad8;
  --bg: #f5f5f5;
  --texto: #1e2f54;
  --header-height: 80px;
}

/* BODY */
body {
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--texto);
  padding-top: var(--header-height);
}

/* HEADER */
header {
  position: fixed;
  top: 0;
  width: 100%;
  height: var(--header-height);

  background: rgba(34,74,216,0.95);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;

  color: white;
  z-index: 1000;
}

.logo {
  font-weight: bold;
}

/* WHATSAPP */
.whatsapp {
  background: white;
  color: var(--azul);
  padding: 8px 14px;
  border-radius: 20px;
  text-decoration: none;
}

/* CONTAINER */
.container {
  max-width: 1000px;
  margin: auto;
  padding: 30px 15px;
}

/* INTRO */
.intro {
  text-align: center;
  font-size: 20px;
  margin-bottom: 40px;
  line-height: 1.6;
}

/* ===== INDEX ===== */

.index {
  text-align: center;
}

.index h2 {
  margin: 40px 0 15px;
  font-size: 24px;
  position: relative;
}

.index h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--azul);
  margin: 8px auto;
}

/* CARDS */
.index a {
  display: block;
  max-width: 700px;
  margin: 10px auto;
  padding: 14px;

  background: white;
  border-radius: 10px;

  text-decoration: none;
  color: var(--azul);

  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: 0.2s;
}

.index a:hover {
  transform: scale(1.02);
  background: var(--azul);
  color: white;
}

/* ===== PÁGINA DE AULA ===== */

.layout {
  display: flex;
  gap: 20px;
}

/* VÍDEO */
.video-area {
  flex: 3;
}

.video-area iframe {
  width: 100%;
  height: 400px;
  border-radius: 10px;
}

/* TEXTO */
.video-area p {
  margin-top: 20px;
}

/* BOTÃO */
.botao-curso {
  display: inline-block;
  margin-top: 20px;
  background: var(--azul);
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
}

/* SIDEBAR */
.sidebar {
  flex: 1;
  background: white;
  padding: 15px;
  border-radius: 10px;
  height: 500px;
  overflow-y: auto;
}

.sidebar a {
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid #eee;
  text-decoration: none;
  color: var(--azul);
  font-size: 14px;
}

.sidebar a:hover {
  text-decoration: underline;
}

/* FOOTER */
footer {
  background: var(--azul);
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}

/* RESPONSIVO */
@media(max-width: 800px) {
  .layout {
    flex-direction: column;
  }

  .video-area iframe {
    height: 220px;
  }
}

/* titulo dos videos na pagina das aulas */

.video-area h1 {

  front-size: 28px;
  margin-bottom: 20px;

}

/* BLOQUEIO PREMIUM */

.bloqueado {
  text-align: center;
  padding: 60px 30px;
  background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.cadeado {
  font-size: 50px;
  margin-bottom: 20px;
}

.bloqueado h2 {
  font-size: 26px;
  margin-bottom: 15px;
}

.bloqueado p {
  font-size: 16px;
  margin-bottom: 25px;
  line-height: 1.5;
}

/* BOTÃO MAIS PROFISSIONAL */
.botao-curso {
  display: inline-block;
  background: #224ad8;
  color: white;
  padding: 15px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.botao-curso:hover {
  background: #1a36a8;
  transform: scale(1.05);
}

/* HERO */
.hero {
  text-align: center;
  padding: 80px 20px;
}

.hero h1 {
  font-size: 32px;
  margin-bottom: 20px;
}

.sub {
  font-size: 18px;
  margin-bottom: 30px;
}

/* BOTÃO */
.cta {
  display: inline-block;
  background: #224ad8;
  color: white;
  padding: 15px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.cta:hover {
  background: #1a36a8;
  transform: scale(1.05);
}

.cta.grande {
  font-size: 20px;
  padding: 20px 35px;
}

/* BLOCOS */
.bloco {
  margin: 60px 0;
  text-align: center;
}

.bloco h2 {
  margin-bottom: 20px;
}

.bloco ul {
  list-style: none;
  padding: 0;
}

.bloco li {
  margin: 10px 0;
}

/* DESTAQUE */
.destaque {
  background: #f3f4f6;
  padding: 40px;
  border-radius: 10px;
}

/* FINAL */
.final {
  text-align: center;
  margin: 80px 0;
}

.garantia {
  margin-top: 15px;
  font-size: 14px;
  opacity: 0.7;
}

/* ===== RESPONSIVO MOBILE ===== */
@media (max-width: 800px) {

  /* layout vira coluna */
  .layout {
    flex-direction: column;
  }

  /* vídeo ocupa tudo */
  .video-area {
    width: 100%;
  }

  /* vídeo proporcional */
  .video-area iframe {
    width: 100%;
    aspect-ratio: 16/9;
  }

  /* sidebar desce pra baixo */
  .sidebar {
    width: 100%;
    margin-top: 20px;
    max-height: none;
  }

  /* texto menor */
  .video-area h1 {
    font-size: 22px;
  }

  /* header menor */
  header {
    padding: 10px;
  }

}

.logo {
  color: white;
  text-decoration: none;
  font-weight: bold;
}