/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-md) var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: padding var(--dur-base) var(--ease-out-expo),
              background-color var(--dur-base) var(--ease-out-expo),
              box-shadow var(--dur-base) var(--ease-out-expo);
}

.nav[data-scrolled="true"] {
  padding-block: var(--space-sm);
  background: rgba(250, 246, 238, 0.78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: var(--shadow-sm);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
}

.nav__mark {
  width: 30px;
  height: 30px;
}

.nav__wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--cp-ink);
  letter-spacing: var(--tracking-tight);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--cp-ink);
  padding-block: var(--space-3xs);
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1.5px;
  background: var(--cp-orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-base) var(--ease-out-expo);
}

.nav__link:hover::after,
.nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}

.nav__toggle span {
  height: 2px;
  background: var(--cp-ink);
  border-radius: var(--radius-full);
  transition: transform var(--dur-base) var(--ease-out-expo),
              opacity var(--dur-fast) ease;
}

.nav__progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0%;
  background: var(--cp-orange);
}

@media (max-width: 860px) {

  .nav {
    z-index: 10000;
  }

  .nav__links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;

    z-index: 9999;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;

    padding-top: 40px;
    gap: 30px;

    background: var(--cream-100);

    transform: translateY(-120%);
    visibility: hidden;
    opacity: 0;

    transition:
      transform .35s ease,
      opacity .35s ease,
      visibility .35s;
  }

  html[data-menu-open="true"] .nav__links {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
  }

  .nav__actions .btn-primary {
    display: none;
  }

  .nav__toggle {
    display: flex;
    cursor: pointer;
    z-index: 10001;
  }

  .nav__links .nav__link {
    font-size: 1.4rem;
  }

  html[data-menu-open="true"] .nav__toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  html[data-menu-open="true"] .nav__toggle span:nth-child(2) {
    opacity: 0;
  }

  html[data-menu-open="true"] .nav__toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}