/* ==========================================================================
   SITE NAVIGATION
   One fixed header. js/modules/nav.js sets data-theme on it to match the
   section underneath (white / grey / black / accent), which recolours the
   backdrop, logo, links and CTA through the theme variables.
   ========================================================================== */

/* Fixed layers live outside .page, so the grid width is measured from
   their own full-width box instead of the size container. */
.site-nav,
.mobile-menu,
.modal {
  --grid-width-input: calc(100% - var(--grid-side-margin) * 2);
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2000;
  width: 100%;
  height: var(--nav-height);
  color: var(--color1);
  transition: color var(--duration-base) ease;
}

.site-nav__backdrop {
  position: absolute;
  inset: 0;
  border-bottom: 1px solid var(--line);
  background: var(--bg1);
  transition: background-color var(--duration-base) ease, border-color var(--duration-base) ease;
}

.site-nav__bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-nav__left,
.site-nav__right {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

.site-nav__right {
  gap: var(--space-2);
}

.site-nav__logo {
  display: block;
  border-radius: var(--radius-xs);
}

.site-nav__logo .wordmark {
  --wordmark-size: 2.6rem;
}

.site-nav__burger {
  display: none;
  position: relative;
  width: 2.4rem;
  height: 2.4rem;
  margin-right: var(--space-4);
}

.site-nav__burger .icon {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transition: opacity var(--duration-fast) ease, transform .3s var(--ease-out-cubic);
}

.site-nav__burger .icon--close {
  opacity: 0;
  transform: rotate(-45deg);
}

.site-nav__burger[aria-expanded="true"] .icon--burger {
  opacity: 0;
  transform: rotate(45deg);
}

.site-nav__burger[aria-expanded="true"] .icon--close {
  opacity: 1;
  transform: none;
}

.site-nav__center {
  position: absolute;
  top: 0;
  left: 50%;
  display: flex;
  align-items: center;
  height: 100%;
  transform: translateX(-50%);
}

/* CTA follows the theme: ink on light sections, yellow on dark ones */
.site-nav .site-nav__cta {
  --btn-bg: var(--ink-950);
  --btn-fg: var(--white);
  --btn-bg-hover: var(--ink-700);
}

.site-nav[data-theme="black"] .site-nav__cta {
  --btn-bg: var(--color-accent);
  --btn-fg: var(--color-on-accent);
  --btn-bg-hover: var(--color-accent-hover);
}

/* --------------------------------------------------------------------------
   Desktop menu: plain links with an underline that draws in on hover
   -------------------------------------------------------------------------- */
.nav-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: 100%;
  color: var(--muted);
}

.nav-bar__group {
  position: relative;
  height: 100%;
}

.nav-bar__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  height: 100%;
  padding-inline: 1.4rem;
  white-space: nowrap;
  transition: color var(--duration-base) ease;
}

.nav-bar__link::after {
  content: "";
  position: absolute;
  right: 1.4rem;
  bottom: calc(50% - 1.4rem);
  left: 1.4rem;
  height: 1.5px;
  background: var(--accent-ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s var(--ease-out-cubic);
}

.nav-bar__link .icon {
  width: 1.4rem;
  height: 1.4rem;
  transition: transform var(--duration-base) var(--ease-out-cubic);
}

@media (hover: hover) {
  .nav-bar__group:hover .nav-bar__link { color: var(--color1); }
  .nav-bar__group:hover .nav-bar__link::after { transform: scaleX(1); transform-origin: left; }
}

.nav-bar__link:focus-visible { color: var(--color1); }
.nav-bar__group.is-open .nav-bar__link { color: var(--color1); }
.nav-bar__group.is-open .nav-bar__link .icon,
.nav-bar__group:focus-within .nav-bar__link .icon { transform: rotate(180deg); }

@media (hover: hover) {
  .nav-bar__group:hover .nav-bar__link .icon { transform: rotate(180deg); }
}

/* Dropdown panel */
.nav-submenu {
  position: absolute;
  top: calc(100% - 1.2rem);
  left: 0;
  padding-top: 1.2rem; /* hover bridge between the link and the panel */
  white-space: nowrap;
  pointer-events: none;
}

.nav-submenu__inner {
  display: flex;
  flex-direction: column;
  min-width: 28rem;
  padding: var(--space-2);
  border: 1px solid var(--ink-800);
  border-radius: var(--radius-md);
  background: var(--ink-950);
  box-shadow: var(--shadow-lg);
  color: var(--ink-400);
  opacity: 0;
  transform: translateY(-.8rem);
  transition: opacity var(--duration-base) ease, transform .3s var(--ease-out-cubic);
}

.nav-submenu__link {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius-sm);
  transition: background-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.nav-submenu__num {
  color: var(--ink-500);
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  letter-spacing: var(--tracking-mono);
  transition: color var(--duration-fast) ease;
}

.nav-submenu__link:is(:hover, :focus-visible) {
  background: var(--ink-900);
  color: var(--white);
}

.nav-submenu__link:is(:hover, :focus-visible) .nav-submenu__num {
  color: var(--color-accent);
}

.nav-submenu__link:focus-visible {
  outline-color: var(--color-accent);
  outline-offset: -2px;
}

@media (hover: hover) {
  .nav-bar__group:hover .nav-submenu { pointer-events: auto; }
  .nav-bar__group:hover .nav-submenu__inner { opacity: 1; transform: none; }
}

.nav-bar__group:focus-within .nav-submenu,
.nav-bar__group.is-open .nav-submenu { pointer-events: auto; }

.nav-bar__group:focus-within .nav-submenu__inner,
.nav-bar__group.is-open .nav-submenu__inner { opacity: 1; transform: none; }

/* Narrow desktop (1024–1199px): tighter links so they never touch the logo */
@media (max-width: 1199px) {
  .nav-bar { gap: 0; }
  .nav-bar__link { padding-inline: 1.1rem; }
  .nav-bar__link::after { right: 1.1rem; left: 1.1rem; }
}

/* Tablet + mobile: burger menu instead of the links */
@media (max-width: 1023px) {
  .site-nav__center {
    display: none;
  }

  .site-nav__burger {
    display: block;
  }
}

@media (max-width: 767px) {
  .site-nav__logo .wordmark {
    --wordmark-size: 2.2rem;
  }
}

/* ==========================================================================
   MOBILE / TABLET MENU (full-screen panel under the header)
   ========================================================================== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1900;
  padding-top: calc(var(--nav-height) + var(--space-6));
  padding-bottom: calc(env(safe-area-inset-bottom) + var(--space-6));
  background: var(--ink-950);
  color: var(--white);
  overflow-x: clip;
  overflow-y: auto;
  overscroll-behavior: contain;
  transform: translateY(-100%);
  visibility: hidden;
  transition: transform var(--duration-slow) var(--ease-out-quart), visibility 0s linear var(--duration-slow);
  --focus: var(--color-accent);
}

.mobile-menu.is-open {
  transform: none;
  visibility: visible;
  transition: transform var(--duration-slow) var(--ease-out-quart), visibility 0s;
}

.mobile-menu__group {
  border-top: 1px solid var(--ink-800);
}

.mobile-menu__heading {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  padding-block: var(--space-4);
  font-family: var(--font-display);
  font-stretch: var(--display-stretch);
  font-size: var(--text-h5);
  font-weight: var(--display-weight);
  letter-spacing: -.02em;
}

.mobile-menu__heading .icon {
  width: 2rem;
  height: 2rem;
  margin-left: auto;
  color: var(--ink-500);
}

.mobile-menu__num {
  color: var(--ink-500);
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  font-weight: var(--fw-regular);
  letter-spacing: var(--tracking-mono);
}

.mobile-menu__items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-bottom: var(--space-5);
}

.mobile-menu__item {
  display: block;
  padding: .8rem 1.2rem;
  border: 1px solid var(--ink-800);
  border-radius: var(--radius-sm);
  color: var(--ink-400);
  font-size: var(--text-small);
  transition: color var(--duration-fast) ease, border-color var(--duration-fast) ease;
}

.mobile-menu__item:hover {
  border-color: var(--ink-600);
  color: var(--white);
}

.mobile-menu__contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--ink-800);
  color: var(--ink-400);
}

@media (min-width: 1024px) {
  .mobile-menu {
    display: none;
  }
}

/* ==========================================================================
   CURRENT PAGE (set by the build: aria-current="page" on the link to this
   page, data-active on its menu section)
   ========================================================================== */
.nav-bar__link[data-active],
.nav-bar__link[aria-current="page"] {
  color: var(--color1);
}

.nav-bar__link[data-active]::after,
.nav-bar__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-submenu__link[aria-current="page"] {
  color: var(--white);
}

.nav-submenu__link[aria-current="page"] .nav-submenu__num {
  color: var(--color-accent);
}

/* "Todas las soluciones" closes the dropdown list */
.nav-submenu__all {
  margin-top: var(--space-1);
  padding-top: var(--space-1);
  border-top: 1px solid var(--ink-800);
}

.nav-submenu__all .nav-submenu__link {
  justify-content: space-between;
  color: var(--white);
}

.nav-submenu__all .icon {
  width: 1.6rem;
  height: 1.6rem;
}

.mobile-menu__heading[data-active],
.mobile-menu__item[aria-current="page"] {
  color: var(--color-accent);
}

.mobile-menu__item[aria-current="page"] {
  border-color: var(--color-accent);
}

.mobile-menu__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* With two buttons on the right, the menu is centred in the space between
   the logo and the buttons (not on the viewport), so they never overlap */
@media (min-width: 1024px) {
  .site-nav__bar { gap: var(--space-5); }

  .site-nav__center {
    position: static;
    flex: 1;
    justify-content: center;
    min-width: 0;
    transform: none;
  }
}

/* Narrow desktop: tighter links */
@media (min-width: 1024px) and (max-width: 1279px) {
  .nav-bar__link { padding-inline: .9rem; }
  .nav-bar__link::after { right: .9rem; left: .9rem; }
}

/* WhatsApp (icon only) — wide desktop only; elsewhere it is in the menu,
   /contacto and the footer */
.site-nav__whatsapp .icon {
  width: 1.8rem;
  height: 1.8rem;
}

@media (max-width: 1279px) {
  .site-nav__whatsapp { display: none; }
}

/* Mobile: the secondary buttons live in the menu, the header keeps "Hablemos" */
@media (max-width: 767px) {
  .site-nav__consulting { display: none; }
}

.mobile-menu__contact .contact-links {
  width: 100%;
  margin-top: var(--space-3);
}