/* Page structure: a single wide column of full-bleed bands, one idea each.
   Mobile is the design target; desktop is the adaptation (SPEC.md §5). */

.container {
  inline-size: 100%;
  max-inline-size: var(--measure);
  margin-inline: auto;
  padding-inline: var(--space-s);
}

@media (min-width: 48rem) {
  .container {
    padding-inline: var(--space-l);
  }
}

.band {
  padding-block: var(--space-xl);
  border-block-end: var(--rule) solid var(--hairline);
}

.band:last-of-type {
  border-block-end: none;
}

.band--hero {
  padding-block: var(--space-2xl);
}

.band--ink {
  background: var(--ink);
  color: var(--limestone);
}

.band__heading {
  display: flex;
  align-items: baseline;
  gap: var(--space-s);
  margin-block-end: var(--space-m);
}

.band__heading::after {
  content: "";
  flex: 1;
  block-size: var(--rule);
  background: var(--brass-hairline);
}

/* Header ------------------------------------------------------------------- */

.site-header {
  border-block-end: var(--rule) solid var(--brass-hairline);
  background: var(--paper);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-s);
  padding-block: var(--space-s);
}

.logotype {
  display: inline-flex;
  color: var(--ink);
  text-decoration: none;
}

/* Letterforms are outlines inheriting currentColor, so the same markup reads ink on
   limestone in the header and limestone on ink in the footer. The rule stays brass. */
.logo {
  inline-size: 12.5rem;
  block-size: auto;
  display: block;
}

@media (max-width: 30rem) {
  .logo {
    inline-size: 9.5rem;
  }
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-s);
}

/* Hero --------------------------------------------------------------------- */

.hero {
  display: grid;
  gap: var(--space-l);
  align-items: start;
}

@media (min-width: 48rem) {
  .hero {
    grid-template-columns: 1fr auto;
    gap: var(--space-xl);
  }
}

.hero__lead {
  font-size: var(--size-lead);
  color: var(--slate);
  margin-block-start: var(--space-m);
}

.hero__actions {
  margin-block-start: var(--space-l);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
}

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

.site-footer {
  background: var(--ink);
  color: var(--limestone);
  padding-block: var(--space-xl) var(--space-l);
  margin-block-start: var(--space-2xl);
}

.site-footer a {
  color: var(--limestone);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-l);
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.site-footer__mark {
  color: var(--limestone);
  margin-block-end: var(--space-2xs);
}

.site-footer__legal {
  margin-block-start: var(--space-l);
  padding-block-start: var(--space-s);
  border-block-start: var(--rule) solid var(--brass-hairline);
  color: rgb(231 236 235 / 0.7);
  font-size: var(--size-fine);
}

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

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-s);
  list-style: none;
  padding-inline-start: 0;
  margin: 0;
}

.site-nav__list li {
  max-inline-size: none;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: var(--size-fine);
  font-weight: 500;
  padding-block-end: 2px;
  border-block-end: var(--rule) solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-block-end-color: var(--brass);
}

@media (max-width: 52rem) {
  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-header__actions {
    inline-size: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-2xs);
  }
}

/* Page heads --------------------------------------------------------------- */

.band--page-head {
  padding-block: var(--space-xl) var(--space-l);
}

.eyebrow {
  font-size: var(--size-fine);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--brass);
  margin-block-end: var(--space-2xs);
}

.eyebrow a {
  color: inherit;
}

.band__more {
  margin-block-start: var(--space-m);
  font-size: var(--size-fine);
}

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

.site-footer__list {
  list-style: none;
  padding-inline-start: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
}

.site-footer__list li {
  max-inline-size: none;
  font-size: var(--size-fine);
}