@layer components-chrome {
  /* =======================
     Navigation (base link visuals)
     ======================= */

  /* Base nav link visuals */
  nav a {
    display: block;
    color: var(--nav-text-color);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
    overflow: hidden;
  }

  /* Footer link sizing */
  footer nav a {
    font-size: 14px;
    margin-right: 14px;
    margin-left: 14px;
  }

  /* Header-specific nav list (zero-specificity wrapper) */
  :where(.site-header) nav ul {
    display: flex;
    flex-wrap: wrap;
    list-style-type: none;
    margin: 0;
    padding: 0;
    gap: 30px;
  }

  @media (width <= 767px) {
    :where(.site-header) nav ul {
      display: none;
    }
  }

  /* Footer-specific nav list tweaks */
  body > footer nav ul {
    justify-content: center;
    gap: 14px 0;
  }

  /* nav hover/active (after base nav rules) */
  nav a[aria-current="page"],
  nav a:hover {
    color: var(--nav-text-active-color);
  }

  /* =======================
     Header (visuals)
     ======================= */

  .site-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    column-gap: 20px;
    position: sticky;
    top: 0;
    right: 0;
    left: 0;
    transition: background-color .2s, transform .4s;
    z-index: 2;
    background-color: var(--dark-color-primary);
  }

  @media (width <= 767px) {
    .site-header {
      flex-wrap: nowrap;
    }
  }

  /* Logo image */
  :where(.site-header) img {
    object-position: 0;
    object-fit: contain;
    height: 80px;
    transition: all 0.5s ease;
    margin-top: 20px;
    margin-bottom: 20px;
    width: auto;
  }

  @media (width <= 991px) {
    :where(.site-header) img {
      height: 60px;
    }
  }

  /* Duplicate guard: hide desktop list on mobile */
  @media (width <= 767px) {
    :where(.site-header) nav ul {
      display: none;
    }
  }

  .md-no-scroll .site-header nav li.md-hidden {
    display: list-item;
  }

  /* =======================
     Header: hamburger button & bars
     ======================= */

  :where(.site-header) button {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
    margin: 0;
    padding: 0;
    width: 30px;
    height: 30px;
    position: relative;
    z-index: 99;
  }

  :where(.site-header) button .bar {
    padding: 0;
    width: 30px;
    height: 1px;
    background-color: var(--light-color-primary);
    display: block;
    position: absolute;
  }

  :where(.site-header) button .bar1 {
    top: 0;
    transform-origin: 0%;
  }

  :where(.site-header) button .bar2,
  :where(.site-header) button .bar3 {
    top: 13.5px;
  }

  :where(.site-header) button .bar3 {
    right: 0;
  }

  :where(.site-header) button .bar4 {
    bottom: 0;
    transform-origin: 0%;
  }

  /* Mobile menu toggle (open state) */
  .md-no-scroll :where(.site-header) button > .bar1 {
    transform: rotate(45deg);
    height: 1px;
    width: 40px;
  }

  .md-no-scroll :where(.site-header) button > .bar2 {
    transform: rotate(-45deg);
    height: 1px;
    background-color: transparent;
  }

  .md-no-scroll :where(.site-header) button > .bar3 {
    transform: rotate(45deg);
    height: 1px;
    background-color: transparent;
  }

  .md-no-scroll .site-header button > .bar4 {
    transform: rotate(-45deg);
    height: 1px;
    width: 40px;
  }

  @media (width <= 767px) {
    :where(.site-header) button {
      display: flex;
    }
  }

  .md-no-scroll :where(.site-header) button {
    display: flex;
  }

  /* Mobile menu overlay (shown when body has .md-no-scroll) */
  .md-no-scroll :where(.site-header) nav ul {
    background-color: var(--dark-color-primary);
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
    position: fixed;
    inset: 0;
    z-index: 1;
  }

  /* =======================
     Footer (visuals)
     ======================= */

  body > footer {
    font-size: 14px;
    flex-direction: column;
    align-items: center;
    background-color: var(--dark-color-primary);
    padding-top: 40px;
    padding-bottom: 40px;
    border-top: 2px solid var(--border-dark-color);
    margin-top: auto;
  }

  :where(footer nav + nav,
  footer nav + nav a) {
    letter-spacing: normal;
  }

  footer nav + nav {
    margin-top: 24px;
    margin-bottom: 24px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 8px 24px;
  }

  /* Footer watermark image */
  footer img {
    width: 60%;
    position: fixed;
    opacity: 0.08;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    object-position: 0;
    z-index: -1;
  }
}