/* Header + primary navigation */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--black);
  border-bottom: var(--hairline);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
  min-height: var(--header-h);
}

.site-header__logo {
  display: block;
  flex-shrink: 0;
}

.site-header__logo img {
  width: clamp(112px, 9vw + 60px, 140px);
}

/* Mobile toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding: 0.5rem 0.25rem 0.5rem 0.75rem;
  background: none;
  border: 0;
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.nav-toggle__bars {
  position: relative;
}

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

.nav-toggle__bars::before {
  top: -7px;
}

.nav-toggle__bars::after {
  top: 7px;
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--black);
  border-bottom: var(--hairline);
}

.primary-nav.is-open {
  display: block;
}

.primary-nav__list {
  list-style: none;
  padding: var(--space-s) var(--gutter) var(--space-l);
  display: grid;
  gap: 0.25rem;
}

.primary-nav__list a:not(.btn) {
  display: block;
  padding: 0.7rem 0;
  font-family: var(--font-display);
  font-size: var(--step-2);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--white);
  border-bottom: var(--hairline);
}

.primary-nav__cta {
  margin-top: var(--space-m);
}

.primary-nav__cta .btn {
  width: 100%;
}

@media (width >= 60em) {
  .nav-toggle {
    display: none;
  }

  .primary-nav,
  .primary-nav.is-open {
    display: block;
    position: static;
    background: none;
    border: 0;
  }

  .primary-nav__list {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 2.25rem);
    padding: 0;
  }

  .primary-nav__list a:not(.btn) {
    position: relative;
    padding: 0.5rem 0;
    border: 0;
    font-family: var(--font-body);
    font-size: var(--step--1);
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--white-72);
    transition: color 0.2s var(--ease);
  }

  .primary-nav__list a:not(.btn)::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.2rem;
    height: 1px;
    background: var(--green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--ease);
  }

  .primary-nav__list a:not(.btn):hover,
  .primary-nav__list a:not(.btn):focus-visible {
    color: var(--white);
  }

  .primary-nav__list a:not(.btn):hover::after {
    transform: scaleX(1);
  }

  .primary-nav__cta {
    margin: 0 0 0 var(--space-xs);
  }

  .primary-nav__cta .btn {
    width: auto;
    min-height: 2.75rem;
    padding: 0.6em 1.2em;
  }
}