/* Cabeçalho e navegação. As regras são limitadas ao cabeçalho. */
html { --header-height: 112px; --header-compact-height: 80px; scroll-padding-top: calc(var(--header-compact-height) + 16px); }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.site-header {
  --header-current-height: var(--header-height);
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  background: transparent;
  transition: background-color .2s, box-shadow .2s;
}
.site-header.is-scrolled { --header-current-height: var(--header-compact-height); }
.site-header.is-scrolled, .site-header.has-open-menu {
  background: rgba(1, 26, 51, .96);
  box-shadow: 0 8px 24px rgba(1, 18, 34, .16);
}
@supports (backdrop-filter: blur(12px)) {
  .site-header.is-scrolled, .site-header.has-open-menu { background: rgba(1, 26, 51, .92); backdrop-filter: blur(12px); }
}
.site-header .header-inner {
  max-width: 1296px;
  min-height: var(--header-current-height);
  display: flex;
  align-items: center;
  gap: 36px;
  transition: min-height .2s;
}
.site-header .brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 14px;
  color: var(--branco);
  text-decoration: none;
}
/* Recorte visual do símbolo no PNG oficial transparente, sem alterar o arquivo. */
.site-header .brand-symbol { position: relative; display: block; flex-shrink: 0; width: 80px; aspect-ratio: 314 / 274; overflow: hidden; transition: width .2s; }
.site-header .brand-symbol img { position: absolute; top: -7.66%; left: -35.35%; width: 162.42%; max-width: none; height: auto; }
.site-header .brand-text { display: flex; flex-direction: column; font-family: var(--f-titulo); line-height: 1; }
.site-header .brand-small { margin-bottom: 4px; font-size: 16px; font-weight: 600; letter-spacing: .34em; transition: font-size .2s; }
.site-header .brand-big { font-size: 40px; font-weight: 800; letter-spacing: -.035em; transition: font-size .2s; }
.site-header .nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
  gap: clamp(16px, 1.8vw, 24px);
  font-size: 15px;
  font-weight: 500;
}
.site-header .nav a {
  position: relative;
  padding: 14px 0;
  color: var(--branco);
  text-decoration: none;
  white-space: nowrap;
}
.site-header .nav a::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 2px;
  background: var(--amarelo);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s;
}
.site-header .nav a:hover::after, .site-header .nav a:focus-visible::after, .site-header .nav a[aria-current]::after { transform: scaleX(1); }
.site-header .nav a[aria-current] { color: var(--amarelo); }
.site-header .language-switch {
  order: 2;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 4px;
  padding-left: 12px;
  border-left: 0;
}
.site-header .language-switch button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 66px;
  min-height: 44px;
  padding: 8px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--branco);
  font: 500 15px var(--f-texto);
  cursor: pointer;
}
.site-header .language-flag { display: block; flex-shrink: 0; width: 24px; height: 17px; object-fit: cover; border-radius: 2px; }
.site-header .language-switch button + button { position: relative; }
.site-header .language-switch button + button::before {
  content: '';
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: -2px;
  width: 1px;
  background: var(--azul-gelo);
}
.site-header .language-switch button[aria-pressed="true"] { color: var(--amarelo); font-weight: 700; }
.site-header .language-switch button:hover { background: rgba(255, 255, 255, .08); }
.site-header .menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  gap: 5px;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid rgba(184, 196, 212, .35);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}
.site-header .menu-toggle span { width: 23px; height: 2px; border-radius: 2px; background: var(--branco); transition: transform .2s, opacity .2s; }
.site-header .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.site-header .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 1600px) {
  .site-header .header-inner { max-width: 1440px; }
}
@media (min-width: 1201px) {
  .site-header.is-scrolled .brand-symbol { width: 56px; }
  .site-header.is-scrolled .brand-big { font-size: 28px; }
  .site-header.is-scrolled .brand-small { font-size: 11px; }
}
@media (max-width: 1200px) and (min-width: 1001px) {
  .site-header .header-inner { gap: 20px; }
  .site-header .brand-symbol { width: 58px; }
  .site-header .brand-big { font-size: 25px; }
  .site-header .brand-small { font-size: 11px; }
  .site-header .nav { gap: 16px; font-size: 14px; }
  .site-header .language-switch { padding-left: 12px; }
}
@media (max-width: 1000px) {
  html { --header-height: 92px; --header-compact-height: 76px; }
  .site-header .header-inner { gap: 16px; }
  .site-header .brand-symbol { width: 58px; }
  .site-header .brand-big { font-size: 25px; }
  .site-header .brand-small { font-size: 11px; }
  .site-header .header-inner > .language-switch { display: none; }
  .site-header .nav .language-switch { order: 0; margin: 16px 0 0; padding: 8px 0 0; border-left: 0; justify-content: flex-start; }
  .site-header .menu-toggle { display: flex; margin-left: auto; }
  .site-header .nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - var(--header-current-height));
    max-height: calc(100dvh - var(--header-current-height));
    overflow-y: auto;
    padding: 12px 24px 24px;
    background: #0b243e;
    border-bottom: 1px solid rgba(184, 196, 212, .3);
    box-shadow: 0 16px 24px rgba(1, 26, 51, .18);
  }
  .site-header .nav.is-open { display: flex; }
  .site-header .nav a { min-height: 48px; padding: 12px 0; border-bottom: 1px solid rgba(184, 196, 212, .16); }
}
@media (max-width: 600px) {
  html { --header-height: 80px; --header-compact-height: 72px; }
  .site-header .header-inner { padding-right: 18px; padding-left: 18px; gap: 10px; }
  .site-header .brand { gap: 9px; }
  .site-header .brand-symbol { width: 45px; }
  .site-header .brand-small { font-size: 9px; letter-spacing: .25em; }
  .site-header .brand-big { font-size: 20px; }
  .site-header .language-switch { gap: 0; }
  .site-header .language-switch button { min-width: 56px; gap: 4px; font-size: 13px; padding: 6px; }
  .site-header .language-flag { width: 20px; height: 14px; }
  .site-header .menu-toggle { width: 44px; height: 44px; }
}
@media (max-width: 359px) {
  .site-header .header-inner { padding-right: 12px; padding-left: 12px; gap: 6px; }
  .site-header .brand-big { font-size: 17px; }
  .site-header .brand-small { font-size: 8px; }
  .site-header .brand-symbol { width: 38px; }
  .site-header .language-switch button { min-width: 48px; padding: 4px; font-size: 12px; }
  .site-header .language-flag { width: 16px; height: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .site-header, .site-header .header-inner, .site-header .brand-symbol, .site-header .brand-small, .site-header .brand-big, .site-header .nav a::after, .site-header .menu-toggle span { transition: none; }
}

/* Rodapé e links sociais. */
.site-footer { position: relative; padding: 74px 0 28px; overflow: hidden; color: var(--gelo); background: radial-gradient(circle at 8% 0%, rgba(26,78,117,.5), transparent 42%), linear-gradient(115deg, var(--azul-noite), #03294d); }
.site-footer::before { content: ''; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--amarelo) 0 12%, rgba(253,194,2,.2) 12% 36%, transparent 72%); }
.site-footer > .container { position: relative; }
.footer-top { display: grid; grid-template-columns: 160px minmax(0, 1fr) auto; align-items: center; gap: clamp(28px, 4vw, 56px); margin-bottom: 54px; }
.footer-top img { width: 156px; height: auto; }
.footer-top > div:nth-child(2) { min-width: 0; padding-left: clamp(24px, 3vw, 42px); border-left: 1px solid rgba(220,227,236,.25); }
.footer-slogan { max-width: 540px; color: var(--branco); font-family: var(--f-titulo); font-size: clamp(26px, 2.4vw, 34px); font-weight: 800; line-height: 1.12; }
.footer-sub { margin-top: 11px; color: var(--azul-gelo); font-size: 15px; }
.footer-social { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.footer-social-link { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 11px 16px; border: 1px solid rgba(220,227,236,.36); border-radius: 999px; background: rgba(255,255,255,.035); color: var(--branco); text-decoration: none; font-size: 14px; font-weight: 700; transition: background .2s, border-color .2s, transform .2s; }
.footer-social-link svg { flex-shrink: 0; width: 22px; height: 22px; }
.footer-social-whatsapp svg { color: #47df80; }
.footer-social-instagram svg { color: #efa0d5; }
.footer-social-link:hover { transform: translateY(-2px); color: var(--branco); border-color: var(--amarelo); background: rgba(255,255,255,.1); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 22px 76px 0 0; border-top: 1px solid rgba(220,227,236,.22); color: var(--azul-gelo); font-size: 13px; }
.footer-bottom a { color: var(--amarelo); }
@media (max-width: 950px) {
  .footer-top { grid-template-columns: 136px minmax(0, 1fr); gap: 26px; margin-bottom: 40px; }
  .footer-top img { width: 136px; }
  .footer-social { grid-column: 2; padding-left: 27px; }
}
@media (max-width: 600px) {
  .site-footer { padding-top: 54px; }
  .footer-top { grid-template-columns: 1fr; gap: 18px; margin-bottom: 36px; }
  .footer-top img { width: 136px; }
  .footer-top > div:nth-child(2) { padding-left: 0; border-left: 0; }
  .footer-slogan { font-size: 27px; }
  .footer-social { grid-column: 1; padding-left: 0; margin-top: 4px; }
  .footer-bottom { gap: 5px; flex-direction: column; padding-right: 0; line-height: 1.5; }
}
@media (prefers-reduced-motion: reduce) { .footer-social-link { transition: none; } }
@media print { .footer-social { display: none; } }