body {
  --header-height: 105px;
  --header-ease: cubic-bezier(.16, .84, .24, 1);
}

body.nav-open {
  overflow: hidden;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 64px;
  z-index: 9999;
  background: transparent;
  mix-blend-mode: difference;
  transition: transform .4s var(--header-ease), background .35s var(--header-ease), box-shadow .35s var(--header-ease);
  box-sizing: border-box;
}

.site-header:has(.nav-list.mobile-open) {
  mix-blend-mode: normal;
}

.site-header.header-hidden {
  transform: translateY(-100%);
}

.logo {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 220px;
  height: auto;
  line-height: 0;
  position: relative;
  z-index: 100;
  flex-shrink: 0;
}

.lsa-lead-logo {
  display: block;
  width: 220px;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  transition: filter .35s ease, opacity .35s ease;
}

.header-dark .lsa-lead-logo,
.header-pink .lsa-lead-logo {
  filter: brightness(0) invert(1);
}

.header-light .lsa-lead-logo {
  filter: brightness(0);
}

.site-nav {
  margin-left: auto;
  margin-right: 24px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 60px;
  margin-right: 54px;
}

.site-header .nav-list {
  list-style: none;
  margin-block: 0;
  padding: 0;
}

.nav-list a {
  position: relative;
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-white);
  letter-spacing: .02em;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--color-white);
  transition: width .3s ease;
}

.nav-list a:hover::after,
.nav-list a[aria-current="page"]::after {
  width: 100%;
}

.locale-btn {
  position: relative;
  overflow: hidden;
  width: auto;
  height: 44px;
  padding: 0 22px;
  border-radius: 50px;
  background: var(--color-black);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  transition: transform .3s ease, color .3s ease;
  flex-shrink: 0;
  isolation: isolate;
  mix-blend-mode: normal;
}

.locale-btn:hover {
  color: var(--color-white);
  transform: translateY(-2px);
}

.locale-text {
  position: relative;
  z-index: 2;
  font-size: 19px;
  font-weight: 700;
}

.background-hover {
  position: absolute;
  inset: 0;
  background: var(--color-near-black);
  border-radius: 50px;
  transform: translateY(100%);
  transition: transform .45s var(--header-ease);
  z-index: 1;
}



.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
  cursor: pointer;
  appearance: none;
}

.hamburger span {
  width: 26px;
  height: 2px;
  background: var(--color-white);
  transition: transform .3s ease, opacity .3s ease;
}

.hamburger[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

@media (max-width: 1200px) {
  .site-header {
    padding: 0 35px;
  }

  .nav-list {
    gap: 35px;
    margin-right: 25px;
  }
}

@media (max-width: 992px) {
  body {
    --header-height: 80px;
  }

  .site-header {
    padding: 0 24px;
  }

  .logo,
  .lsa-lead-logo {
    width: 160px;
  }

  .locale-btn {
    display: none;
  }

  .hamburger {
    display: flex;
    position: relative;
    z-index: 10001;
  }

  .site-nav {
    margin: 0;
  }

  .nav-list {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 50vh;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    margin: 0;
    padding-top: var(--header-height);
    background: var(--color-near-black);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity .35s ease, visibility .35s ease, transform .35s ease;
    z-index: 9998;
  }

  .nav-list.mobile-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-list li {
    flex: 1;
    display: flex;
    border-bottom: 1px solid var(--color-white-15);
  }

  .nav-list a {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 20px;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 72px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .logo,
  .lsa-lead-logo {
    width: 145px;
  }

  .hamburger {
    width: 30px;
    height: 24px;
    align-items: flex-end;
    justify-content: center;
  }

  .hamburger span {
    width: 26px;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding-left: 16px;
    padding-right: 16px;
  }

  .logo,
  .lsa-lead-logo {
    width: 130px;
  }
}

@media (max-width: 360px) {

  .logo,
  .lsa-lead-logo {
    width: 115px;
  }

  .hamburger span {
    width: 24px;
  }
}

/* ===== Header CTA: sits outside the blended header so it stays black/white ===== */
.locale-btn.locale-ghost {
  visibility: hidden;
  pointer-events: none;
}

.locale-btn.locale-fixed {
  position: fixed;
  top: calc((var(--header-height) - 44px) / 2);
  right: 64px;
  z-index: 10000;
  background: var(--color-black);
  color: var(--color-white);
  mix-blend-mode: normal;
}

.locale-btn.locale-fixed .locale-text {
  color: var(--color-white);
}

.site-header.header-hidden~.locale-btn.locale-fixed {
  transform: translateY(-200%);
}

/* ===== Header CTA: mobile responsive ===== */
@media (max-width: 992px) {
  .locale-btn.locale-fixed {
    display: inline-flex;
    height: 40px;
    padding: 0 16px;
    right: 76px;
    /* page padding + hamburger + gap */
    top: calc((var(--header-height) - 40px) / 2);
  }

  .locale-btn.locale-fixed .locale-text {
    font-size: 14px;
  }

  /* hide the button while the mobile menu is open */
  body:has(.nav-list.mobile-open) .locale-btn.locale-fixed {
    opacity: 0;
    pointer-events: none;
  }
}

@media (max-width: 768px) {
  .locale-btn.locale-fixed {
    height: 36px;
    padding: 0 14px;
    right: 66px;
    top: calc((var(--header-height) - 36px) / 2);
  }

  .locale-btn.locale-fixed .locale-text {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .locale-btn.locale-fixed {
    padding: 0 12px;
    right: 60px;
  }

  .locale-btn.locale-fixed .locale-text {
    font-size: 11.5px;
  }
}

@media (max-width: 360px) {
  .locale-btn.locale-fixed {
    padding: 0 10px;
  }

  .locale-btn.locale-fixed .locale-text {
    font-size: 10.5px;
  }
}

/* very small phones: no room next to the logo, so hide it */
@media (max-width: 340px) {
  .locale-btn.locale-fixed {
    display: none;
  }
}