/* Frame: page width, bands, navigation bar with mobile panel, footer. */

.wrap {
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin-inline: auto;
}

.band {
  padding-block: var(--band);
}

/* Light sheet laid over the blue page background. */
.band--paper {
  margin-inline: clamp(0px, -1rem + 3vw, 2rem);
  border-radius: clamp(0px, -0.5rem + 3vw, var(--radius-l));
  background: var(--paper);
}

.band--navy {
  background: var(--navy);
  color: var(--on-dark);
}

/* ---------- Navigation bar ---------- */

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 249, 251, 0.94);
  box-shadow: 0 1px 0 var(--mist-line);
  backdrop-filter: blur(8px);
}

.navbar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--navbar-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--navy);
  font-family: var(--ff-head);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand__mark {
  width: 2.25rem;
  height: 2.25rem;
}

.brand__accent {
  color: var(--accent);
}

.brand--light {
  color: var(--white);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding: 0.4rem 1rem;
  border: 2px solid var(--navy);
  border-radius: 999px;
  background: transparent;
  color: var(--navy);
  font-family: var(--ff-head);
  font-weight: 600;
  cursor: pointer;
}

.nav-toggle__icon,
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  display: block;
  width: 1.1rem;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--ease);
}

.nav-toggle__icon {
  position: relative;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  position: absolute;
  left: 0;
  content: "";
}

.nav-toggle__icon::before {
  top: -6px;
}

.nav-toggle__icon::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

.navpanel {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  display: none;
  padding: 1rem var(--gutter) 1.5rem;
  background: var(--paper);
  box-shadow: 0 18px 30px -20px rgba(16, 48, 62, 0.6);
}

.navpanel--open {
  display: block;
}

.navpanel__list {
  display: grid;
  margin-bottom: 1rem;
  list-style: none;
}

.navpanel__link {
  display: block;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--mist-line);
  font-family: var(--ff-head);
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
}

.navpanel__link[aria-current="page"] {
  color: var(--accent-deep);
}

.navpanel__cta {
  width: 100%;
}

@media (min-width: 66em) {
  .nav-toggle {
    display: none;
  }

  .navpanel {
    position: static;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0;
    background: none;
    box-shadow: none;
  }

  .navpanel__list {
    display: flex;
    gap: 0.25rem;
    margin: 0;
  }

  .navpanel__link {
    padding: 0.4rem 0.75rem;
    border: 0;
    border-radius: 999px;
    font-size: 0.975rem;
    transition: background-color var(--ease);
  }

  .navpanel__link:hover,
  .navpanel__link[aria-current="page"] {
    background: var(--mist);
  }

  .navpanel__cta {
    width: auto;
    min-height: 2.75rem;
    padding-inline: 1.25rem;
    font-size: 0.975rem;
  }
}

/* ---------- Footer ---------- */

.sitefoot {
  padding-block: clamp(2.5rem, 2rem + 2vw, 4rem) 2rem;
  background: var(--navy);
  color: var(--on-dark);
}

.sitefoot__grid {
  display: grid;
  gap: 2rem;
}

.sitefoot__tagline {
  max-width: 22rem;
  margin-top: 0.875rem;
  color: var(--on-dark-soft);
  font-size: var(--fs-small);
}

.sitefoot__title {
  margin-bottom: 0.75rem;
  color: var(--gold);
  font-size: var(--fs-tiny);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sitefoot__links {
  display: grid;
  gap: 0.4rem;
  list-style: none;
}

.sitefoot__link {
  font-size: var(--fs-small);
  text-decoration: none;
}

.sitefoot__link:hover {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.sitefoot__base {
  display: grid;
  gap: 0.5rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--on-dark-soft);
  font-size: var(--fs-tiny);
}

@media (min-width: 40em) {
  .sitefoot__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64em) {
  .sitefoot__grid {
    grid-template-columns: 1.3fr 1fr 1fr 1.5fr;
  }
}