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

/* ================= VARIÁVEIS ================= */
:root {
  --azul-principal: #006699;
  --azul-claro: #4093bd;
  --azul-fundo: #74a4ece2;
  --texto-principal: #004466;
  --branco: #ffffff;
  --sombra-suave: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* ================= BODY ================= */
body {
  font-family: 'Times New Roman', Times, serif;
  background-color: #d9e7e8;
  color: var(--texto-principal);
  padding: 20px;
}

body.fisicoenfinal,
body.lidos {
  background-color: #f4f9ff;
}

/* ================= NAVBAR ================= */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 5%;
  background-color: var(--azul-principal);
  border-radius: 12px;
  box-shadow: var(--sombra-suave);
  margin-bottom: 40px;
}

.logo img {
  max-height: 55px;
  transition: transform 0.3s ease;
}

.logo img:hover {
  transform: scale(1.05);
}

.navbar ul {
  list-style: none;
  display: flex;
  gap: 25px;
}

.navbar a {
  text-decoration: none;
  color: #eaf4fb;
  font-weight: 600;
  font-size: 1rem;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.navbar a:hover,
.navbar a.active {
  border-bottom: 2px solid #eaf4fb;
}

/* ================= HERO ================= */
.hero {
  background-image: url('imagens/Gemini_Generated_Image_qry13mqry13mqry1.png');
  background-size: cover;
  background-position: center;
  height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 20px;
  margin-bottom: 50px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(64, 147, 189, 0.5);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--branco);
}

.hero h2 {
  font-size: 2.6rem;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1.2rem;
}

/* ================= CONTEÚDO ================= */
main {
  max-width: 900px;
  margin: auto;
}

.titulo-principal {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 40px;
  color: var(--texto-principal);
}

.sessao {
  margin-bottom: 50px;
}

.subtitulo {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: var(--azul-principal);
}

/* ================= GALERIA ================= */
.galeria {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.galeria img {
  width: 110px;
  height: 150px;
  border-radius: 12px;
  box-shadow: var(--sombra-suave);
  transition: transform 0.3s ease;
}

.galeria img:hover {
  transform: scale(1.08);
}

/* ================= LIVROS ================= */
.livro {
  background-color: var(--branco);
  border-radius: 16px;
  padding: 25px;
  margin-bottom: 40px;
  box-shadow: var(--sombra-suave);
}

.titulo-livro {
  text-align: center;
  font-size: 1.5rem;
  color: var(--azul-principal);
  margin-bottom: 15px;
}

.imagem-estrelas {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.estrelas {
  color: goldenrod;
  font-size: 1.4rem;
  margin-top: 10px;
}

/* ================= PAGINAÇÃO ================= */
.paginacao {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 40px 0;
}

.paginacao button {
  padding: 9px 16px;
  border: none;
  border-radius: 6px;
  background-color: var(--azul-claro);
  color: var(--branco);
  font-size: 0.98rem;
  cursor: pointer;
  transition: all 0.22s ease;
  font-weight: 500;
}

.paginacao button:hover:not(:disabled) {
  background-color: var(--azul-principal);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(43, 111, 119, 0.2);
}

.paginacao button.ativo {
  background-color: var(--azul-principal);
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(43, 111, 119, 0.25);
}

.paginacao button:disabled {
  background-color: #d9e7e8;
  cursor: not-allowed;
  color: #8aa2a3;
}

.playlist {
  background-color: var(--rosa-claro); /* ou seu azul bebê */
  padding: 40px;
  text-align: center;
  border-radius: 20px;
  margin: 40px 0;
}

.spotify-player {
  max-width: 500px;
  margin: 0 auto;
}

/* ================= RESPONSIVO ================= */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 15px;
  }

  .galeria {
    justify-content: center;
  }

  .hero h2 {
    font-size: 2rem;
  }

  .titulo-principal {
    font-size: 1.8rem;
  }
}