/* Site shell: mobile first, using the tokens in tokens.css. */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2rem, 6vw, 3rem);
}

a {
  color: var(--color-primary);
}

img {
  max-width: 100%;
  height: auto;
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 10;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  border-radius: 0 0 0.5rem 0.5rem;
}

.skip-link:focus {
  top: 0;
}

main {
  flex: 1;
}

main:focus {
  outline: none;
}

.page {
  max-width: 68rem;
  margin: 0 auto;
  padding: 2.5rem 1rem 3rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
}

.button--accent {
  background: var(--color-accent);
  color: var(--color-text);
}

.button--accent:hover {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

/* Header */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  max-width: 68rem;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.site-header__logo {
  display: block;
  line-height: 0;
}

.site-header__logo img {
  width: 180px;
}

.nav-toggle {
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  border: 2px solid var(--color-text-muted);
  border-radius: 999px;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.site-nav {
  flex-basis: 100%;
}

.js .site-nav[data-open="false"] {
  display: none;
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__list a {
  display: block;
  padding: 0.75rem 0;
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
  border-top: 1px solid var(--color-border);
}

.site-nav__list a[aria-current] {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.site-header__cta {
  margin: 0.75rem 0 0.25rem;
}

@media (min-width: 48rem) {
  .site-header__inner {
    flex-wrap: nowrap;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav,
  .js .site-nav[data-open="false"] {
    display: flex;
    flex-basis: auto;
    align-items: center;
    gap: 1.5rem;
  }

  .site-nav__list {
    display: flex;
    gap: 1.5rem;
  }

  .site-nav__list a {
    padding: 0.5rem 0;
    border-top: 0;
  }

  .site-header__cta {
    margin: 0;
  }
}

/* Footer */

.site-footer {
  background: var(--color-text);
  color: var(--color-surface);
}

.site-footer__inner {
  max-width: 68rem;
  margin: 0 auto;
  padding: 2rem 1rem;
  display: grid;
  gap: 1.25rem;
}

.site-footer__logo {
  width: 180px;
}

.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

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

.site-footer__copyright {
  margin: 0;
  font-size: 0.875rem;
}

@media (min-width: 48rem) {
  .site-footer__inner {
    grid-template-columns: auto 1fr 1fr;
    align-items: start;
  }

  .site-footer__copyright {
    grid-column: 1 / -1;
  }
}