/**
 * LensScape Gallery — Site Chrome (header, nav, footer)
 */

/* ---------------------------------------------
   HEADER — transparent over hero, solid on scroll
--------------------------------------------- */
.ls-header {
  position: absolute;
  inset-inline: 0;
  top: 0;
  z-index: var(--ls-z-header);
  padding-block: var(--ls-space-md);
  background: transparent;
  transition: background var(--ls-duration-fast) var(--ls-ease-soft),
              box-shadow var(--ls-duration-fast) var(--ls-ease-soft);
}

.ls-header.is-scrolled,
.ls-header--solid {
  position: fixed;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(34, 52, 60, 0.06);
}

.ls-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--ls-container-max);
  margin-inline: auto;
  padding-inline: var(--ls-container-padding);
}

.ls-header__logo {
  font-family: var(--ls-font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}

.ls-nav { display: flex; gap: var(--ls-space-lg); }

.ls-nav a {
  font-size: var(--ls-fs-small);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
}

.ls-nav a::after {
  content: '';
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: currentColor;
  transition: right var(--ls-duration-base) var(--ls-ease);
}
.ls-nav a:hover::after,
.ls-nav a.is-active::after { right: 0; }

.ls-header__actions { display: flex; align-items: center; gap: var(--ls-space-md); }
.ls-header__icon-btn { background: none; border: 0; cursor: pointer; padding: var(--ls-space-2xs); }

/* Mobile menu */
.ls-menu-toggle { display: none; background: none; border: 0; cursor: pointer; }
.ls-mobile-menu {
  position: fixed; inset: 0; z-index: var(--ls-z-mobile-menu);
  background: var(--ls-color-sand);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--ls-space-lg);
  transform: translateY(-100%);
  transition: transform var(--ls-duration-base) var(--ls-ease);
}
.ls-mobile-menu.is-open { transform: translateY(0); }
.ls-mobile-menu a { font-family: var(--ls-font-heading); font-size: 1.75rem; }

@media (max-width: 900px) {
  .ls-nav { display: none; }
  .ls-menu-toggle { display: block; }
}

/* ---------------------------------------------
   FOOTER
--------------------------------------------- */
.ls-footer {
  background: var(--ls-color-ocean-slate);
  color: var(--ls-color-sand);
  padding-block: var(--ls-space-2xl) var(--ls-space-lg);
}

.ls-footer a { opacity: 0.85; }
.ls-footer a:hover { opacity: 1; }

.ls-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--ls-space-xl);
  padding-bottom: var(--ls-space-xl);
  border-bottom: 1px solid rgba(250, 248, 245, 0.15);
}

.ls-footer__logo { font-family: var(--ls-font-heading); font-size: 1.75rem; margin-bottom: var(--ls-space-sm); }
.ls-footer__col h4 {
  font-family: var(--ls-font-body); font-size: var(--ls-fs-eyebrow);
  text-transform: uppercase; letter-spacing: var(--ls-ls-eyebrow);
  color: var(--ls-color-seafoam); margin-bottom: var(--ls-space-md);
}
.ls-footer__col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--ls-space-xs); }

.ls-footer__bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: var(--ls-space-lg);
  font-size: var(--ls-fs-small); opacity: 0.7;
  flex-wrap: wrap; gap: var(--ls-space-sm);
}

@media (max-width: 900px) {
  .ls-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .ls-footer__grid { grid-template-columns: 1fr; }
}

/* ---------------------------------------------
   COUNTRY ACKNOWLEDGEMENT BLOCK
   Handle with care — quiet, respectful, not decorative.
--------------------------------------------- */
.ls-acknowledgement {
  background: var(--ls-color-warm-white);
  padding-block: var(--ls-space-xl);
  border-top: 1px solid var(--ls-color-border);
  border-bottom: 1px solid var(--ls-color-border);
}
.ls-acknowledgement__text {
  max-width: var(--ls-container-narrow);
  margin-inline: auto;
  text-align: center;
  font-family: var(--ls-font-heading);
  font-size: 1.375rem;
  line-height: 1.5;
  color: var(--ls-color-ocean-slate);
}