/* Header, primary nav, section bands, footer */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-stone);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-block: var(--space-3);
  gap: var(--space-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  order: 1;
}

.brand__mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--color-ink);
}

.brand__tagline {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
}

/*
  Mobile nav uses a "checkbox hack": a visually-hidden, still-focusable
  checkbox toggled by the label below. This means the menu opens/closes with
  pure CSS — no JavaScript required — satisfying the spec's JS-disabled
  edge case as well as keyboard operability (Tab focuses the checkbox,
  Space toggles it). nav.js only adds the (optional) niceties of closing on
  link-click and Escape.
*/

.nav-check {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-toggle {
  order: 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  cursor: pointer;
}

.nav-check:focus-visible ~ .nav-toggle {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.nav-toggle__bar {
  width: 100%;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-check:checked ~ .nav-toggle .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-check:checked ~ .nav-toggle .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-check:checked ~ .nav-toggle .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-nav {
  order: 4;
  position: fixed;
  inset: 65px 0 0 0;
  background: var(--color-stone);
  transform: translateX(100%);
  transition: transform var(--transition);
  overflow-y: auto;
}

.nav-check:checked ~ .primary-nav {
  transform: translateX(0);
}

.primary-nav ul {
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  gap: var(--space-1);
}

.primary-nav a {
  display: block;
  padding: var(--space-3) 0;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--color-border);
}

.btn-call {
  order: 2;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-ink);
  color: var(--color-text-on-dark);
  border-radius: var(--radius);
  font-size: var(--fs-small);
  white-space: nowrap;
}

.btn-call svg {
  width: 16px;
  height: 16px;
}

@media (min-width: 1024px) {
  .site-header {
    height: 138px;
    position: relative;
    background: #efefeb url('../img/photos/texture.png') center / cover;
    border-bottom: 0;
  }

  .site-header__inner {
    height: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 0;
    padding-block: 0;
  }

  .site-header .brand {
    margin-right: auto;
  }

  .nav-check,
  .nav-toggle {
    display: none;
  }

  .primary-nav {
    order: 2;
    position: static;
    inset: auto;
    background: rgba(255, 255, 252, 0.94);
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.24);
    transform: none;
    overflow: visible;
  }

  .primary-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 0;
    padding: 0;
    height: 48px;
  }

  .primary-nav a {
    display: flex;
    align-items: center;
    height: 48px;
    border-bottom: none;
    padding: 0 14px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0;
    white-space: nowrap;
    transition: height var(--transition), background-color var(--transition), color var(--transition), box-shadow var(--transition);
  }

  .primary-nav a:hover,
  .primary-nav a:focus-visible,
  .primary-nav a.active,
  .primary-nav a[aria-current="page"] {
    height: 78px;
    background: #242424;
    color: #fff;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.24);
  }

  .btn-call {
    order: 3;
    align-self: center;
    height: 64px;
    margin-left: 1px;
    padding-inline: 28px;
    border-radius: 0;
    text-transform: uppercase;
    font-size: 0.875rem;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.24);
    transition: background-color var(--transition);
  }

  .btn-call:hover,
  .btn-call:focus-visible {
    background: #000;
  }

  .btn-call img {
    width: 22px;
    height: 22px;
    filter: sepia(1) saturate(4);
  }
}

@media (min-width: 1024px) and (max-width: 1180px) {
  .brand__tagline {
    display: none;
  }

  .brand__name {
    font-size: 0.85rem;
  }

  .primary-nav a {
    padding-inline: 9px;
  }

  .btn-call {
    padding-inline: 18px;
  }
}

/* Section bands */

.band {
  padding-block: var(--space-7);
}

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

.band-warm {
  background: var(--color-ink-warm);
  color: var(--color-text-on-dark);
}

.band-stone {
  background: var(--color-stone);
  color: var(--color-text);
}

.band-white {
  background: var(--color-white);
  color: var(--color-text);
}

/* Footer */

.site-footer {
  background: var(--color-ink-warm);
  color: var(--color-text-on-dark);
  padding-block: var(--space-7) var(--space-4);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.site-footer__heading {
  font-size: 1.1rem;
  margin-bottom: var(--space-3);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--color-accent-light);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-on-dark-muted);
}

.contact-list svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-links a {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border-on-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-links svg {
  width: 16px;
  height: 16px;
}

.site-footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__col p {
  color: var(--color-text-on-dark-muted);
}

.site-footer__bottom {
  border-top: 1px solid var(--color-border-on-dark);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  font-size: var(--fs-small);
  color: var(--color-text-on-dark-muted);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: repeat(3, 1fr);
  }
}