/* Shared navigation for every STU page. Revision: 20261019-tienda2. */
:root { --site-header-height: 98px; }
html { scroll-padding-top: calc(var(--site-header-height) + 18px); scrollbar-gutter: stable; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  width: 100%;
  color: #292421;
  background: #fffffff7;
  border-bottom: 1px solid #e3ddd8;
  backdrop-filter: blur(14px);
}
.site-header .head-inner {
  height: var(--site-header-height);
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.site-header .brand {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 13px;
  margin: 0;
  color: #5e5149;
}
.site-header .brand img { width: 112px; height: 67px; object-fit: contain; }
.site-header .brand small {
  display: block;
  padding-left: 14px;
  border-left: 1px solid #e3ddd8;
  color: #5e5149;
  font-family: 'Source Sans 3', Arial, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  line-height: 1.5;
}
.site-header .nav {
  display: flex;
  position: static;
  flex: 0 0 auto;
  flex-direction: row;
  align-items: center;
  gap: 18px;
  padding: 0;
  margin: 0;
  background: transparent;
  box-shadow: none;
  border: 0;
  font-family: 'Manrope', Arial, sans-serif;
}
.site-header .nav a {
  position: relative;
  display: block;
  flex: 0 0 auto;
  padding: 12px 0;
  margin: 0;
  color: #292421;
  font-family: 'Manrope', Arial, sans-serif;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -.015em;
  white-space: nowrap;
  text-decoration: none;
}
.site-header .nav a:hover,
.site-header .nav a[aria-current] { color: #a34722; }
.site-header .nav a[aria-current]::after {
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 2px;
  background: #c26435;
  content: '';
}
.site-header .nav .nav-cta {
  min-height: 48px;
  padding: 14px 17px;
  margin: 0;
  border: 1px solid transparent;
  border-radius: 5px;
  color: #fff;
  background: #a34722;
  text-align: center;
}
.site-header .nav .nav-cta:hover { color: #fff; background: #873817; }
.site-header .menu-toggle {
  display: none;
  min-height: 46px;
  padding: 10px 16px;
  margin-left: auto;
  border: 1px solid #cabbb2;
  border-radius: 5px;
  color: #292421;
  background: #fff;
  font-family: 'Manrope', Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
}
.footer .foot-links { gap: 18px 24px; }
@media (max-width: 1179px) {
  :root { --site-header-height: 90px; }
  .site-header .menu-toggle { display: block; }
  .site-header .nav {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - var(--site-header-height));
    max-height: calc(100svh - var(--site-header-height));
    overflow-y: auto;
    padding: 16px 32px 24px;
    border-bottom: 1px solid #e3ddd8;
    background: #fff;
    box-shadow: 0 15px 20px #29242115;
  }
  .site-header .nav.is-open { display: flex; }
  .site-header .nav a { padding: 13px 15px; font-size: 16px; white-space: normal; }
  .site-header .nav a[aria-current] { border-radius: 4px; background: #faf3ee; }
  .site-header .nav a[aria-current]::after { top: 11px; bottom: 11px; left: 0; width: 3px; height: auto; }
  .site-header .nav .nav-cta { margin-top: 8px; padding: 14px 17px; }
}
@media (max-width: 700px) {
  :root { --site-header-height: 78px; }
  .site-header .head-inner { padding: 0 22px; gap: 16px; }
  .site-header .brand img { width: 104px; height: 61px; }
  .site-header .brand small { display: none; }
  .site-header .nav { padding: 14px 22px 22px; }
}
@media (max-width: 390px) {
  .site-header .head-inner { padding-right: 18px; padding-left: 18px; }
  .site-header .nav { padding-right: 18px; padding-left: 18px; }
}