/* Estilos do "shell" principal (index.html) - responsivo */
:root{
  --bg: #30CCFF;
  --primary: #000099;
  --header-bg: rgba(255,255,255,.92);
}

html, body{
  height: 100%;
}

body{
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: Verdana, Arial, sans-serif;
  background: var(--bg) url('fundo2.jpg') repeat;
  color: #000;
}

.site-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: var(--header-bg);
  border-bottom: 2px solid var(--primary);
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo{
  width: 56px;
  height: auto;
  flex: 0 0 auto;
}

.brand-text{
  color: var(--primary);
  font-weight: 700;
  line-height: 1.2;
  font-size: 14px;
  min-width: 0;
}

.brand-text small{
  display: block;
  font-weight: 600;
  font-size: 12px;
}

.menu-toggle{
  font-size: 26px;
  line-height: 1;
  padding: 8px 10px;
  background: var(--primary);
  color: #fff;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}

.site-nav{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(0,0,153,.95);
}

.site-nav a{
  color: #fff;
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,.10);
  font-size: 14px;
}

.site-nav a:hover{
  background: rgba(255,255,255,.18);
}

.site-nav a.nav-cta{
  background: #fff;
  color: var(--primary);
  font-weight: 700;
}

.site-main{
  flex: 1;
  min-height: 0; /* necessário p/ iframe respeitar flex */
}

#content{
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: #33CCFF url('fundo.jpg') repeat;
}

/* Desktop: menu sempre visível */
@media (min-width: 769px){
  .menu-toggle{ display: none; }
}

/* Mobile: menu colapsável */
@media (max-width: 768px){
  .brand-logo{ width: 44px; }
  .brand-text{ font-size: 13px; }
  .site-nav{ display: none; flex-direction: column; }
  .site-nav.open{ display: flex; }
  .site-nav a{ width: 100%; }
}