.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid rgba(7, 51, 35, .08);
  background: rgba(250, 249, 245, .86);
  backdrop-filter: blur(18px);
  transition: box-shadow .25s ease, background .25s ease;
}

.site-header.is-scrolled {
  background: rgba(250, 249, 245, .96);
  box-shadow: 0 10px 35px rgba(3, 45, 30, .08);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: max-content;
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -.025em;
}

.brand strong { font-weight: 850; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--white);
  box-shadow: 0 8px 22px rgba(7, 51, 35, .08);
}

.brand-mark img { width: 100%; height: 100%; object-fit: contain; }

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.desktop-nav a {
  position: relative;
  color: #3c4c45;
  font-size: 15px;
  font-weight: 750;
}

.desktop-nav a::after {
  position: absolute;
  content: "";
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  border-radius: 10px;
  background: var(--green-700);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s var(--ease);
}

.desktop-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
}

.language-switch {
  display: flex;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.72);
}

.language-switch button {
  width: 39px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 850;
}

.language-switch button.is-active { color: var(--forest-900); background: var(--mint-100); }

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  cursor: pointer;
}

.menu-toggle > span:not(.sr-only) {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  border-radius: 4px;
  background: var(--forest-900);
  transition: transform .2s ease;
}

.menu-toggle[aria-expanded="true"] > span:nth-last-child(2) { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] > span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: var(--header-height) 0 auto;
  padding: 18px 24px 30px;
  border-bottom: 1px solid var(--line);
  background: var(--ivory);
  box-shadow: var(--shadow-lg);
}

.mobile-menu nav { display: grid; }
.mobile-menu a { padding: 18px 6px; border-bottom: 1px solid var(--line); font-size: 19px; font-weight: 800; }

.site-footer {
  padding: 70px 0 28px;
  color: rgba(255,255,255,.82);
  background: var(--forest-950);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr .65fr .65fr;
  gap: 80px;
  padding-bottom: 64px;
}

.brand-footer { color: var(--white); }
.footer-brand p { max-width: 360px; margin: 22px 0 0; color: rgba(255,255,255,.58); font-size: 17px; line-height: 1.6; }
.footer-grid > div:not(:first-child) { display: grid; align-content: start; gap: 14px; }
.footer-grid h2 { margin: 0 0 8px; color: var(--white); font-size: 14px; text-transform: uppercase; letter-spacing: .12em; }
.footer-grid a:not(.brand) { width: max-content; color: rgba(255,255,255,.66); }
.footer-grid a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.48);
  font-size: 13px;
}