:root {
  /* Distancia desde la parte superior hasta el borde inferior del header.
     La usan los fondos hero para comenzar exactamente debajo del menú. */
  --header-bottom-offset: 90px;
  --header-width: min(1120px, calc(100% - 40px));
  --header-bg: rgba(255, 250, 240, 0.88);
  --header-bg-solid: rgba(255, 250, 240, 0.98);
  --header-border: rgba(255, 255, 255, 0.76);
  --header-text: #254332;
  --header-muted: #657467;
  --header-primary: #1f6f43;
  --header-primary-dark: #164f31;
  --header-pill: rgba(31, 111, 67, 0.1);
  --header-accent: #ef6d3f;
  --header-shadow: 0 18px 46px rgba(23, 35, 25, 0.16);
  --header-shadow-soft: 0 16px 40px rgba(23, 35, 25, 0.1);
}

html {
  scroll-padding-top: 110px;
}

#global-header {
  position: relative;
  z-index: 9999;
}

.site-header {
  position: fixed;
  z-index: 9999;
  top: 18px;
  left: 50%;
  width: var(--header-width);
  min-height: 72px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 12px 18px;
  overflow: visible;
  border: 1px solid var(--header-border);
  border-radius: 999px;
  background: var(--header-bg);
  box-shadow: var(--header-shadow-soft);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition:
    top 0.25s ease,
    min-height 0.25s ease,
    padding 0.25s ease,
    background 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.72),
    rgba(255, 255, 255, 0.1)
  );
  pointer-events: none;
}

.site-header.scrolled {
  top: 10px;
  min-height: 64px;
  padding-block: 9px;
  background: var(--header-bg-solid);
  border-color: rgba(255, 255, 255, 0.92);
  box-shadow: var(--header-shadow);
}

.brand {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  color: inherit;
  text-decoration: none;
  outline-offset: 5px;
  -webkit-tap-highlight-color: transparent;
}

.brand-icon {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.9), transparent 45%),
    rgba(31, 111, 67, 0.1);
  box-shadow:
    inset 0 0 0 1px rgba(31, 111, 67, 0.08),
    0 8px 18px rgba(22, 79, 49, 0.1);
}

.brand-icon img {
  width: 88%;
  height: 88%;
  display: block;
  object-fit: contain;
}

.brand-copy {
  display: block;
}

.brand strong {
  display: block;
  color: var(--header-primary-dark);
  font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.02rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
}

.brand small {
  display: block;
  margin-top: 4px;
  color: var(--header-muted);
  font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
}

.nav-group {
  position: relative;
}

.nav-parent-row {
  display: flex;
  align-items: center;
  min-height: 42px;
  border-radius: 999px;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.nav-parent-link,
.nav-direct-link,
.nav-dropdown-link {
  color: var(--header-muted);
  font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  outline-offset: 4px;
  -webkit-tap-highlight-color: transparent;
}

.nav-parent-link,
.nav-direct-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 13px;
  border-radius: 999px;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.nav-group .nav-parent-link {
  padding-right: 7px;
}

.nav-direct-link:hover,
.nav-parent-link:hover,
.nav-direct-link.active,
.nav-parent-link.active,
.nav-group.active .nav-parent-row {
  color: var(--header-primary-dark);
  background: var(--header-pill);
}

.nav-direct-link:hover,
.nav-parent-link:hover {
  transform: translateY(-1px);
}

.nav-direct-link.active,
.nav-parent-link.active,
.nav-group.active .nav-parent-row {
  box-shadow: inset 0 0 0 1px rgba(31, 111, 67, 0.06);
}

.submenu-toggle {
  position: relative;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: grid;
  place-items: center;
  margin-right: 5px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: var(--header-muted);
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.2s ease, background 0.2s ease;
}

.submenu-toggle:hover {
  color: var(--header-primary-dark);
  background: rgba(31, 111, 67, 0.09);
}

.submenu-toggle span {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.22s ease;
}

.nav-group.submenu-open .submenu-toggle span {
  transform: translateY(2px) rotate(225deg);
}

.nav-dropdown {
  position: absolute;
  z-index: 10020;
  top: calc(100% + 8px);
  left: 50%;
  min-width: 176px;
  padding: 6px 0 8px;
  overflow: hidden;
  border: 1px solid rgba(31, 111, 67, 0.1);
  border-top: 3px solid var(--header-accent);
  border-radius: 0 0 9px 9px;
  background: rgba(255, 250, 240, 0.99);
  box-shadow: 0 18px 38px rgba(23, 35, 25, 0.18);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -8px);
  transform-origin: top center;
  transition:
    opacity 0.2s ease,
    visibility 0.2s ease,
    transform 0.2s ease;
}

.nav-dropdown-link {
  display: flex;
  align-items: center;
  min-height: 31px;
  padding: 7px 13px;
  color: var(--header-muted);
  white-space: nowrap;
  transition: color 0.18s ease, background 0.18s ease, padding-left 0.18s ease;
}

.nav-dropdown-link:hover,
.nav-dropdown-link.active {
  color: var(--header-primary-dark);
  background: rgba(31, 111, 67, 0.08);
  padding-left: 17px;
}

.nav-group.submenu-open .nav-dropdown,
.nav-group:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

@media (hover: hover) and (pointer: fine) and (min-width: 941px) {
  .nav-group:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
  }
}

.menu-toggle {
  position: relative;
  z-index: 4;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: none;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(31, 111, 67, 0.1);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.menu-toggle:hover {
  background: rgba(31, 111, 67, 0.16);
  transform: translateY(-1px);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--header-primary-dark);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 1120px) {
  :root {
    --header-width: calc(100% - 28px);
  }

  .site-header {
    gap: 12px;
    padding-inline: 14px;
  }

  .nav-parent-link,
  .nav-direct-link {
    padding-inline: 10px;
    font-size: 0.76rem;
  }

  .nav-group .nav-parent-link {
    padding-right: 5px;
  }

  .brand strong {
    font-size: 0.96rem;
  }
}

@media (max-width: 940px) {
  :root {
    --header-bottom-offset: 86px;
  }

  .site-header {
    min-height: 68px;
    border-radius: 28px;
  }

  .menu-toggle {
    display: grid;
  }

  .main-nav {
    position: absolute;
    z-index: 3;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 7px;
    max-height: min(72vh, 560px);
    padding: 14px;
    overflow-y: auto;
    overscroll-behavior: contain;
    border: 1px solid rgba(255, 255, 255, 0.78);
    border-radius: 24px;
    background: rgba(255, 250, 240, 0.99);
    box-shadow: var(--header-shadow);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px) scale(0.98);
    transform-origin: top center;
    transition:
      opacity 0.22s ease,
      visibility 0.22s ease,
      transform 0.22s ease;
  }

  .main-nav.active,
  .site-header.menu-is-open .main-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .nav-group,
  .nav-parent-row,
  .nav-direct-link {
    width: 100%;
  }

  .nav-parent-row {
    min-height: 46px;
    border-radius: 14px;
  }

  .nav-parent-link,
  .nav-direct-link {
    justify-content: flex-start;
    min-height: 46px;
    padding: 13px 15px;
    font-size: 0.9rem;
  }

  .nav-parent-link {
    flex: 1;
  }

  .submenu-toggle {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
    margin-right: 3px;
  }

  .nav-dropdown {
    position: static;
    min-width: 0;
    max-height: 0;
    margin: 0 7px;
    padding: 0;
    border: 0;
    border-left: 3px solid var(--header-accent);
    border-radius: 0 0 12px 12px;
    background: rgba(31, 111, 67, 0.055);
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: none;
    transform: none;
    transition: max-height 0.26s ease, padding 0.26s ease, margin 0.26s ease;
  }

  .nav-group.submenu-open .nav-dropdown {
    max-height: 260px;
    margin-top: 4px;
    margin-bottom: 5px;
    padding: 7px 0;
    pointer-events: auto;
    transform: none;
  }

  .nav-dropdown-link {
    min-height: 40px;
    padding: 10px 14px;
    font-size: 0.84rem;
  }

  .nav-dropdown-link:hover,
  .nav-dropdown-link.active {
    padding-left: 18px;
  }

  body.header-menu-open {
    overflow: hidden;
  }
}

@media (max-width: 520px) {
  :root {
    --header-bottom-offset: 72px;
    --header-width: calc(100% - 20px);
  }

  html {
    scroll-padding-top: 96px;
  }

  .site-header {
    top: 10px;
    min-height: 62px;
    padding: 9px 10px;
    border-radius: 22px;
  }

  .site-header.scrolled {
    top: 8px;
  }

  .brand {
    gap: 8px;
  }

  .brand-icon {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }

  .brand strong {
    font-size: 0.92rem;
  }

  .brand small {
    display: none;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }
}