/*
 * Shell institucional Messa — carregar depois de tokens.css e antes de CSS específico.
 * Top bar escura, rodapé e CTA primário alinhados a Política/Termos.
 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --legal-header-bg: #0c0c0d;
  --legal-line-on-dark: rgba(255, 255, 255, 0.06);
  --legal-text-on-dark: rgba(236, 236, 234, 0.92);
  --legal-text-on-dark-soft: rgba(236, 236, 234, 0.52);
}

html { overflow-x: hidden; }
body {
  font-family: 'Inter', sans-serif;
  color: #111;
  background: var(--messa-canvas);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.page {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.top-bar {
  padding: var(--stack-xl) var(--page-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--stack-md);
  background: var(--legal-header-bg);
  border-bottom: 1px solid var(--legal-line-on-dark);
}

.top-bar > a:first-of-type {
  flex-shrink: 0;
}

.top-bar img { height: 28px; width: auto; display: block; }

.top-bar-back {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--legal-text-on-dark-soft);
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  transition: color 0.2s ease;
  flex-shrink: 0;
}
.top-bar-back:hover { color: var(--legal-text-on-dark); }

/* CTA primário — partilhado (obrigado, erro, fluxos) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--stack-md);
  padding: var(--stack-md) var(--space-48);
  background: #111;
  color: #fff;
  border: none;
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: background 0.22s ease, transform 0.22s ease, color 0.22s ease;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary:hover {
  background: #E51725;
  transform: translateY(-1px);
  color: #fff;
}

footer {
  background: #141414;
  padding: var(--stack-xl) var(--page-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--stack-md);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-copy {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.34);
}
.footer-legal { display: flex; gap: var(--stack-lg); flex-wrap: wrap; }
.footer-legal a {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.34);
  transition: color 0.2s ease;
}
.footer-legal a:hover { color: rgba(255, 255, 255, 0.68); }

@media (max-width: 760px) {
  .top-bar { padding: var(--space-24); }
  .top-bar-back {
    min-height: 44px;
    padding: var(--space-8) 0;
    align-items: center;
  }
  footer {
    padding: var(--space-24);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--stack-sm);
  }
  .footer-legal a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: var(--space-8) 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn-primary:hover { transform: none; }
}