.site-header {
  min-height: 76px !important;
  padding: 10px clamp(18px, 3vw, 52px) !important;
  color: #fff !important;
  border-bottom: 0 !important;
  /* Transparente: velo degradado que se desvanece (deja ver la animación del hero) */
  background: linear-gradient(180deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.18) 55%, rgba(0,0,0,0) 100%) !important;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

/* Al hacer scroll, refuerza un poco el contraste sin volverse opaco */
.site-header.is-scrolled {
  color: #fff !important;
  border-bottom: 1px solid rgba(255,255,255,.08) !important;
  background: linear-gradient(180deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.42) 100%) !important;
  -webkit-backdrop-filter: blur(7px);
  backdrop-filter: blur(7px);
}

/* Estrategia de contraste: sombra en el texto para legibilidad sobre cualquier fondo */
.site-header .brand__text,
.site-header .nav-direct,
.site-header .language-switcher__button,
.site-header .nav__portal,
.site-header .menu-button {
  text-shadow: 0 1px 6px rgba(0,0,0,.85), 0 0 2px rgba(0,0,0,.7);
}
.site-header .brand__mark { filter: drop-shadow(0 1px 4px rgba(0,0,0,.85)); }

.nav--structured {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(13px, 1.55vw, 25px);
  color: #fff;
  font-size: .91rem;
  font-weight: 800;
}

.dropdown-nav { position: relative; }
.mega-nav { position: static; }

.nav-group__trigger,
.mega-nav__trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  padding: 8px 0;
  color: inherit;
  background: transparent;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.nav-group__trigger:hover,
.nav-group__trigger:focus,
.mega-nav__trigger:hover,
.mega-nav__trigger:focus,
.dropdown-nav.is-open .nav-group__trigger,
.mega-nav.is-open .mega-nav__trigger,
.solutions-page .mega-nav__trigger {
  color: var(--lime);
}

.nav-chevron,
.mega-nav__chevron {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform .18s ease;
}

.dropdown-nav.is-open .nav-chevron,
.mega-nav.is-open .mega-nav__chevron {
  transform: translateY(2px) rotate(225deg);
}

.nav-dropdown,
.mega-menu {
  display: none !important;
}

.dropdown-nav.is-open .nav-dropdown {
  display: grid !important;
}

.mega-nav.is-open .mega-menu {
  display: block !important;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 16px);
  left: 50%;
  width: 310px;
  border: 1px solid rgba(165,212,10,.35);
  border-radius: 14px;
  padding: 10px;
  color: #fff;
  background: linear-gradient(135deg,#020812,#091a2b);
  box-shadow: 0 24px 64px rgba(0,0,0,.42);
  transform: translateX(-50%);
}

.nav-dropdown > a {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-radius: 9px;
  padding: 12px;
  color: #fff;
}

.nav-dropdown > a:hover { background: rgba(165,212,10,.1); }
.nav-dropdown a > span:last-child { display: grid; gap: 3px; }
.nav-dropdown small { color: rgba(255,255,255,.58); font-size: .76rem; }
.nav-dropdown__mark { flex: 0 0 34px; display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(165,212,10,.52); border-radius: 8px; color: var(--lime); font-size: .7rem; }

.mega-menu {
  position: absolute;
  top: calc(100% - 2px);
  left: clamp(18px,3vw,44px);
  right: clamp(18px,3vw,44px);
  padding-top: 10px;
}

.mega-menu__grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(165,212,10,.38);
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(115deg,#020812 0%,#071426 72%,#0b2430 100%);
  box-shadow: 0 28px 80px rgba(0,0,0,.42);
}

.mega-menu__column,.mega-menu__feature { min-width: 0; padding: clamp(24px,3vw,42px); }
.mega-menu__column { border-right: 1px solid rgba(255,255,255,.12); }
.mega-menu__column h2,.mega-menu__feature-label { display: block; margin: 0 0 24px; border-bottom: 1px solid rgba(165,212,10,.65); padding-bottom: 10px; color: var(--lime); font-size: 1rem; }
.mega-menu__column > a { display: flex; align-items: flex-start; gap: 12px; min-height: 54px; padding: 8px 0; color: #fff; }
.mega-menu__column a > span:last-child { display: grid; gap: 3px; }
.mega-menu__column small { color: rgba(255,255,255,.58); font-size: .76rem; }
.mega-menu__icon { flex: 0 0 31px; display: grid; place-items: center; width: 31px; height: 31px; border: 1px solid rgba(165,212,10,.5); border-radius: 8px; color: var(--lime); font-size: .68rem; }
.mega-menu__feature { background: rgba(255,255,255,.04); }
.mega-menu__feature-visual { display: grid; align-content: end; min-height: 142px; margin-bottom: 22px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; padding: 20px; background: linear-gradient(135deg,#10284f,#063c48); }
.mega-menu__feature-visual strong { color: var(--lime); font-size: 3.4rem; line-height: .85; }
.mega-menu__feature h2 { color: #fff; font-size: 1.3rem; }
.mega-menu__feature p { color: rgba(255,255,255,.62); }
.mega-menu__feature-link { display: inline-block; width: fit-content; border: 1px solid var(--lime); border-radius: 8px; padding: 10px 14px; color: var(--lime) !important; }

.nav-direct { white-space: nowrap; }
.nav__portal { border: 1px solid var(--lime) !important; border-radius: 10px; padding: 9px 15px !important; color: #fff !important; white-space: nowrap; }
.nav__cta { border-radius: 10px; padding: 10px 16px !important; color: var(--ink) !important; background: var(--lime); white-space: nowrap; }
.language-switcher__button { color: #fff; }

@media (min-width: 921px) {
  .dropdown-nav:hover .nav-dropdown,.dropdown-nav:focus-within .nav-dropdown { display: grid !important; }
  .mega-nav:hover .mega-menu,.mega-nav:focus-within .mega-menu { display: block !important; }
}

@media (min-width: 921px) and (max-width: 1180px) {
  .nav--structured { gap: 12px; font-size: .84rem; }
  .nav__cta { display: none; }
}

@media (max-width: 920px) {
  .nav--structured { position: absolute; top: calc(100% - 1px); left: 14px; right: 14px; display: none; flex-direction: column; align-items: stretch; max-height: calc(100svh - 82px); overflow: auto; border: 1px solid var(--line); border-radius: 10px; padding: 8px; color: var(--ink); background: #fff; box-shadow: var(--shadow); }
  .nav--structured.is-open { display: flex; }
  .nav-group__trigger,.mega-nav__trigger { width: 100%; justify-content: space-between; padding: 12px; color: var(--ink); }
  .dropdown-nav,.mega-nav { position: relative; }
  .nav-dropdown,.mega-menu { position: static; width: 100%; padding: 0 4px 8px; transform: none; }
  .nav-dropdown { border-color: var(--line); color: var(--ink); background: var(--soft); box-shadow: none; }
  .nav-dropdown > a { color: var(--ink); }
  .nav-dropdown small { color: var(--muted); }
  .mega-menu__grid { grid-template-columns: 1fr; max-height: 58vh; overflow-y: auto; border-color: var(--line); border-radius: 10px; color: var(--ink); background: #fff; box-shadow: none; }
  .mega-menu__column,.mega-menu__feature { border-right: 0; border-bottom: 1px solid var(--line); padding: 18px; }
  .mega-menu__column > a { color: var(--ink); }
  .mega-menu__column small,.mega-menu__feature p { color: var(--muted); }
  .mega-menu__feature { background: var(--soft); }
  .mega-menu__feature h2 { color: var(--ink); }
  .language-switcher__button { color: var(--ink); }
  .nav__portal { color: var(--ink) !important; }
  .nav__cta { display: block; text-align: center; }
}