/* =========================================================
   CONTAINER PADRÃO
   Centraliza conteúdo com largura máxima
========================================================= */

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 6%;
}

/* =========================================================
   HEADER (DESKTOP)
   Barra superior fixa
========================================================= */

.header {
  position: fixed;
  top: 0;
  width: 100%;
  height: 70px;

  background: rgba(10,10,10,0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);

  z-index: 1000;

  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 0 6%;
}

/* Logo */
.header-left {
  display: flex;
  align-items: center;
}

.logo {
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.5px;
}

/* Menu Desktop */
.header-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  margin: 0 18px;
  font-size: 0.8rem;
  letter-spacing: 2px;
  position: relative;
  transition: color 0.3s;
}

/* Linha animada abaixo do link */
.nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav a:hover {
  color: #ca53eb;
}

.nav a:hover::after {
  width: 100%;
}

/* Header Right (botões de idioma e tema) */
.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-toggle,
.theme-toggle {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  border: none;
  background: transparent;
  cursor: pointer;

  display: flex;
  align-items: center;
  justify-content: center;

  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lang-toggle:hover,
.theme-toggle:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(168,85,247,0.6);
}

.lang-toggle i,
.theme-toggle i {
  font-size: 1.6rem;
  color: #fff;
}

/* Tooltip */

.lang-tooltip,
.theme-tooltip {
  position: absolute;
  top: 110%; /* usa top ao invés de bottom */
  left: 50%;
  transform: translateX(-50%) scale(0.9);

  background: var(--bg);
  color: var(--text);

  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);

  font-size: var(--smaller-font-size);
  white-space: nowrap;

  opacity: 0;
  pointer-events: none;

  transition: 0.25s ease;
  z-index: 9999;
}

/* Setinha */

.lang-tooltip::after,
.theme-tooltip::after {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);

  border-width: 6px;
  border-style: solid;
  border-color: transparent transparent var(--bg) transparent;
}

/* Mostrar no hover */

.lang-toggle:hover .lang-tooltip,
.theme-toggle:hover .theme-tooltip {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* =========================================================
   MOBILE NAV
   Menu lateral responsivo
========================================================= */

.mobile-nav {
  position: fixed;
  top: 0;
  right: -280px; /* ligeiramente maior para melhor aparência */
  width: 280px;
  height: 100vh;

  background: #111; /* fundo escuro */
  display: flex;
  flex-direction: column;
  padding: 80px 20px; /* espaço maior no topo */
  gap: 20px;

  box-shadow: -6px 0 20px rgba(0,0,0,0.6);
  transition: right 0.35s ease;
  z-index: 1101;
  border-left: 2px solid var(--second-bg); /* destaque sutil */
  border-radius: 12px 0 0 12px;
}

/* Menu ativo */
.mobile-nav.active {
  right: 0;
}

/* Links do menu */
.mobile-nav a {
  color: var(--text);
  font-size: var(--small-font-size);
  font-weight: 600;
  text-decoration: none;
  padding: 10px 15px;
  border-radius: 8px;
  transition: all 0.25s ease;
}

.mobile-nav a:hover {
  background: var(--accent);
  color: var(--text);
  transform: translateX(5px);
  font-weight: 700;
}

/* Botão de fechar */
.close-mobile-nav {
  position: absolute; /* relativo ao .mobile-nav */
  top: 20px;
  right: 20px;
  width: 45px;
  height: 45px;
  background: #4b017c8b;
  color: var(--text);
  border: none;
  border-radius: 50%;
  font-size: 1.4rem; /* ligeiramente menor se o X ficar cortado */
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  z-index: 1200; /* acima do overlay e do menu */
}

.close-mobile-nav:hover {
  transform: rotate(90deg) scale(1.1);
  box-shadow: 0 8px 25px rgba(168,85,247,0.6);
}

/* Overlay escuro */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease;
  z-index: 1100; /* menor que o botão */
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Botão de abrir menu mobile */
.mobile-toggle {
  display: none; /* aparece só no mobile */
  background: var(--second-bg);
  color: var(--text);
  border: none;
  border-radius: 12px;
  cursor: pointer;

  width: 25px;  /* maior */
  height: 25px; /* maior */
  font-size: 2rem; /* tamanho do ícone */
  
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.mobile-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(168,85,247,0.6);
}


/* ================= MOBILE HEADER ================= */

/* Mobile verdadeiro: até 767px */
@media (max-width: 767px) {
  .mobile-toggle {
    display: block;
  }

  .nav.header-center {
    display: none; /* esconde menu desktop */
  }

  .header-right {
    position: fixed;
    left: 67%;
    transform: translateX(-50%);
    gap: 10px;
  }
}

/* Tablet grande: 768px a 1024px */
@media (min-width: 768px) and (max-width: 1024px) {
  .mobile-toggle {
    display: none; /* tablet usa menu desktop */
  }

  .nav.header-center {
    display: flex;
  }

  .header-right {
    position: static; /* volta ao normal */
    transform: none;
  }
}

/* Desktop: acima de 1024px */
@media (min-width: 1025px) {
  .mobile-toggle {
    display: none;
  }

  .nav.header-center {
    display: flex;
  }

  .header-right {
    position: static;
    transform: none;
  }
}



/* =========================================================
   FOOTER
   Rodapé do site
========================================================= */

.footer {
  padding: 20px 10%;
  background: var(--border);
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-content {
  max-width: 800px;
  margin: 0 auto;

  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;

  font-size: 0.85rem;
}

.footer-links,
.footer-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a,
.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover,
.footer-nav a:hover {
  color: var(--accent);
}

.footer-copy {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 16px;
}

/* =========================================================
   RESPONSIVO GLOBAL
========================================================= */

@media (max-width: 767px) {

  .header-center,
  .header-right {
    display: none;
  }

  .mobile-toggle {
    display: flex;
    position: absolute;
    right: 20px;
    top: 20px;
  }

  .header {
    grid-template-columns: auto 1fr auto;
  }
}