.rb-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,253,250,.84);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rb-stone);
}
.rb-header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 12px 0;
  gap: 16px;
}
.rb-brand{
  display:flex; align-items:center; gap: 10px;
  text-decoration:none; color: var(--rb-ink);
}
.rb-brand__name{ display:block; font-family: Marcellus, serif; font-size: 18px; color: var(--rb-ink2); }
.rb-brand__tag{ display:block; font-size: 12px; color: rgba(17,24,39,.65); margin-top: 1px; }
.rb-mark{ display:inline-flex; }

.rb-nav{ display:flex; gap: 14px; }
.rb-nav__link{
  text-decoration:none;
  color: rgba(17,24,39,.78);
  font-weight: 700;
  font-size: 14px;
}
.rb-nav__link:hover{ color: var(--rb-ink2); }

.rb-header__cta{ display:flex; gap: 10px; align-items:center; }

.rb-btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 18px;
  border: 1px solid var(--rb-ink);
  background: var(--rb-ink);
  color: var(--rb-paper);
  font-weight: 800;
  font-size: 13px;
  text-decoration:none;
  box-shadow: 0 6px 16px rgba(17,24,39,.12);
}
.rb-btn:hover{ opacity:.96; }
.rb-btn--secondary{
  background: transparent;
  color: var(--rb-ink);
  border: 1px solid var(--rb-stone);
  box-shadow: none;
}
.rb-btn--accent{
  background: rgba(200,164,93,.16);
  color: var(--rb-ink);
  border: 1px solid rgba(200,164,93,.35);
  box-shadow: none;
}

.rb-badge{
  display:inline-flex; align-items:center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--rb-stone);
  background: rgba(17,24,39,.05);
  font-size: 12px;
  font-weight: 700;
}

.rb-card{
  background: var(--rb-paper);
  border: 1px solid var(--rb-stone);
  border-radius: var(--rb-radius);
  box-shadow: var(--rb-shadow);
  padding: 18px;
}
.rb-card__title{ font-weight: 900; font-size: 14px; }
.rb-card__top{ display:flex; justify-content:space-between; align-items:center; gap: 12px; }

.rb-section{ padding: 40px 0; }
.rb-section--soft{ background: linear-gradient(180deg, var(--rb-fog) 0%, var(--rb-paper) 70%); border-bottom: 1px solid var(--rb-stone); }
.rb-section__kicker{
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(17,24,39,.58);
}

.rb-grid-3{ display:grid; gap: 14px; grid-template-columns: repeat(3, minmax(0,1fr)); }
.rb-grid-2{ display:grid; gap: 14px; grid-template-columns: repeat(2, minmax(0,1fr)); }

@media (max-width: 900px){
  .rb-nav{ display:none; }
  .rb-grid-3{ grid-template-columns: 1fr; }
  .rb-grid-2{ grid-template-columns: 1fr; }
}

.rb-list{ margin: 14px 0 0; padding-left: 18px; color: rgba(17,24,39,.78); }
.rb-list li{ margin: 8px 0; }

.rb-divider{ height:1px; background: var(--rb-stone); margin: 18px 0; }

.rb-footer{
  border-top: 1px solid var(--rb-stone);
  padding: 30px 0;
}
.rb-footer__inner{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 18px;
}
.rb-footer__brand{ font-family: Marcellus, serif; font-size: 16px; color: var(--rb-ink2); }
.rb-footer__title{ font-weight: 900; }
.rb-footer__links{ margin-top: 10px; display:grid; gap: 6px; }
.rb-footer__link{ color: rgba(17,24,39,.70); text-decoration:none; }
.rb-footer__link:hover{ color: var(--rb-ink2); }

@media (max-width: 900px){
  .rb-footer__inner{ grid-template-columns: 1fr; }
}