/* ============================================
   layout.css — Container, sections
   ============================================ */

.container {
  width: 100%;
  max-width: var(--rt-max);
  margin: 0 auto;
  padding-inline: var(--rt-pad);
}
.section { padding-block: var(--rt-section-y); position: relative; }

/* Topbar */
.rtbf-topbar {
  background: var(--rt-azul-deep);
  color: white;
  font-family: var(--rt-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 10px 0;
}
.rtbf-topbar > .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.rtbf-topbar__dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--rt-amarelo);
  margin-right: 8px;
}
.rtbf-topbar__tag { color: var(--rt-amarelo); font-weight: 600; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--rt-paper);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background .2s, border-color .2s;
}
.site-header.is-scrolled {
  background: rgba(252, 248, 240, 0.95);
  border-bottom-color: var(--rt-line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 24px;
}
.site-header__nav {
  display: flex;
  gap: 4px;
  align-items: center;
}
.site-header__nav a {
  font-family: var(--rt-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--rt-azul);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: background .15s;
}
.site-header__cta { display: flex; gap: 10px; align-items: center; }
.site-header__cta .btn { padding: 12px 18px; font-size: 12px; }
.site-header__toggle {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--rt-azul); color: white;
  display: none; align-items: center; justify-content: center;
}
.site-header__mobile {
  display: none;
  background: white;
  border-top: 1px solid var(--rt-line);
  padding: 12px var(--rt-pad) 24px;
  flex-direction: column;
  gap: 4px;
}
.site-header__mobile.is-open { display: flex; }
.site-header__mobile a {
  font-family: var(--rt-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 4px;
  border-bottom: 1px solid var(--rt-line);
  color: var(--rt-azul);
}

/* Logo lockup */
.rtbf-logo { display: inline-flex; flex-direction: column; align-items: flex-start; line-height: 0.85; }
.rtbf-logo__rt {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 36px;
  letter-spacing: -0.04em;
  color: var(--rt-azul);
  text-transform: uppercase;
}
.rtbf-logo__brasil {
  font-family: 'Caveat', cursive;
  font-weight: 700;
  font-size: 18px;
  color: var(--rt-amarelo-deep);
  margin-top: 2px;
  margin-left: 6px;
  transform: rotate(-3deg);
  transform-origin: left center;
}
.rtbf-logo__festas {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 7px;
  letter-spacing: 0.32em;
  color: var(--rt-azul);
  margin-top: 1px;
  margin-left: 7px;
}
.rtbf-logo--light .rtbf-logo__rt,
.rtbf-logo--light .rtbf-logo__festas { color: white; }
.rtbf-logo--light .rtbf-logo__brasil { color: var(--rt-amarelo); }
.rtbf-logo--lg .rtbf-logo__rt { font-size: 42px; }
.rtbf-logo--lg .rtbf-logo__brasil { font-size: 22px; }
.rtbf-logo--lg .rtbf-logo__festas { font-size: 8px; }

@media (max-width: 1080px) {
  .site-header__nav { display: none; }
  .site-header__toggle { display: flex; }
}
@media (max-width: 720px) {
  .site-header__cta .btn { display: none; }
}