/* Site header - fixo no topo, presente em todas as telas */
:root {
  --header-height: 134px;
  --header-height-mobile: 90px;
}

html body {
  padding-top: var(--header-height);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, var(--bg-panel) 0%, rgba(21, 23, 28, 0.92) 100%);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.site-header-inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 24px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  padding: 4px;
  flex-shrink: 0;
  border-radius: 12px;
  outline: none;
}

.site-logo img {
  display: block;
  height: 110px;
  width: auto;
  filter: drop-shadow(0 0 14px var(--amber-glow));
  transition: transform 0.18s ease, filter 0.22s ease;
  transform-origin: center;
}

.site-logo:hover img {
  transform: scale(1.04);
  filter: drop-shadow(0 0 26px var(--amber-glow)) drop-shadow(0 0 10px rgba(240,169,60,0.45));
}

.site-logo:active img,
.site-logo.is-pressed img {
  transform: scale(0.95);
  filter: drop-shadow(0 0 8px var(--amber-glow));
  transition: transform 0.08s ease, filter 0.08s ease;
}

/* Navegação (desktop) */
.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

/* Ícones de ação rápida no header */
.header-icons {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.header-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  flex-shrink: 0;
}

.header-icon-btn:hover {
  color: var(--amber-light);
  background: rgba(240, 169, 60, 0.09);
  border-color: rgba(240, 169, 60, 0.22);
}

.header-icon-btn.active {
  color: var(--amber);
  background: rgba(240, 169, 60, 0.13);
  border-color: rgba(240, 169, 60, 0.28);
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-main);
  text-decoration: none;
  border-radius: 10px;
  transition: color 0.15s ease, background 0.15s ease;
}

.site-nav a:hover {
  color: var(--amber-light);
  background: rgba(240, 169, 60, 0.08);
}

.site-nav a.active {
  color: var(--amber);
  background: rgba(240, 169, 60, 0.12);
  text-shadow: 0 0 16px var(--amber-glow);
}

.site-nav-sair {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--danger);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.15s ease, background 0.15s ease;
}

.site-nav-sair:hover {
  background: rgba(226, 92, 92, 0.1);
  border-color: rgba(226, 92, 92, 0.3);
}

/* Botão hamburger (celular) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-panel-light);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Responsivo */
@media (max-width: 1024px) {
  :root {
    --header-height: var(--header-height-mobile);
  }

  .site-header-inner {
    padding: 0 12px;
    gap: 6px;
  }

  .site-logo img {
    height: 70px;
  }

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

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height-mobile);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px;
    background: linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-panel-light) 100%);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(-100%);
    visibility: hidden;
    transition: transform 0.2s ease, visibility 0.2s ease;
    z-index: 999;
    margin-left: 0;
  }

  .site-nav.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  .site-nav a,
  .site-nav-sair {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    flex-shrink: 0;
    text-align: left;
  }

  .site-nav-sair {
    margin-top: 8px;
    border-top: 1px solid var(--border-subtle);
    border-radius: 0;
    padding-top: 18px;
  }

  .header-icons {
    margin-left: auto;
  }

  .header-icon-btn {
    width: 44px;
    height: 44px;
  }
}