:root {
  --rivi-ink: #071a38;
  --rivi-navy: #001632;
  --rivi-paper: #f5f1e9;
  --rivi-white: #ffffff;
  --rivi-gold: #c79b55;
  --rivi-muted: #657083;
  --rivi-shell: 88rem;
  --rivi-radius: 1.5rem;
  --rivi-focus: #f4bf55;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--rivi-ink); background: var(--rivi-white); font-family: Manrope, system-ui, sans-serif; line-height: 1.6; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.site-shell { width: min(calc(100% - 2rem), var(--rivi-shell)); margin-inline: auto; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
.screen-reader-text:focus { position: fixed; top: 1rem; left: 1rem; z-index: 9999; width: auto; height: auto; clip: auto; padding: .75rem 1rem; background: var(--rivi-white); }
:focus-visible { outline: 3px solid var(--rivi-focus); outline-offset: 3px; }
.site-header { position: relative; z-index: 20; background: var(--rivi-navy); color: var(--rivi-white); }
.site-header__inner { min-height: 5rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.site-brand { display: grid; text-decoration: none; line-height: 1.1; }
.site-brand__name { font-family: Georgia, serif; font-size: 1.5rem; letter-spacing: .18em; }
.site-brand__descriptor { margin-top: .35rem; font-size: .7rem; letter-spacing: .12em; }
.primary-navigation ul { display: flex; gap: 1.25rem; margin: 0; padding: 0; list-style: none; }
.menu-toggle { display: none; }
.site-main { min-height: 55vh; padding-block: clamp(3rem, 7vw, 7rem); }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.media-card { overflow: hidden; border: 1px solid #d8dde5; border-radius: 1rem; }
.media-card__body { padding: 1.25rem; }
.button { display: inline-flex; min-height: 3rem; align-items: center; justify-content: center; padding: .75rem 1.25rem; border-radius: 999px; background: var(--rivi-gold); color: var(--rivi-navy); font-weight: 700; text-decoration: none; }
.site-footer { padding-block: 3rem 1.5rem; background: var(--rivi-navy); color: var(--rivi-white); }
.site-footer__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.site-footer__legal { margin-top: 2rem; color: #cbd3df; }

@media (max-width: 70rem) {
  .menu-toggle { display: inline-flex; }
  .primary-navigation { display: none; position: absolute; inset: 5rem 0 auto; padding: 1rem; background: var(--rivi-navy); }
  .primary-navigation.is-open { display: block; }
  .primary-navigation ul { flex-direction: column; }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 40rem) {
  .card-grid, .site-footer__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}