/* ==========================================================================
   layout.css — Contenedores, header, secciones, grids y footer
   ========================================================================== */

/* --------------------------------------------------------------------------
   Contenedor
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-gutter);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* --------------------------------------------------------------------------
   Seccion
   -------------------------------------------------------------------------- */

.section {
  padding-block: var(--section-padding-block);
  position: relative;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--tight {
  padding-block: var(--sp-2xl);
}

.section__header {
  margin-bottom: var(--sp-2xl);
}

.section__header--center {
  text-align: center;
}

/* Dentro de un `.split` el margen inferior del header sobra: el hueco entre
   columnas ya lo pone el `gap` de la grilla. */
.section__header--flush {
  margin-bottom: 0;
}

.section__header--center .eyebrow {
  justify-content: center;
}

/* El tamaño lo fija la clase, no la etiqueta. En "Nuestros clientes" este título
   es el <h1> de la página (por SEO), pero visualmente tiene que verse igual que
   los <h2> de sección: 38px en desktop, el valor exacto del original. Sin esto
   heredaba --fs-h1 (64px) y se veía desproporcionado. */
.section__title {
  margin-bottom: var(--sp-md);
  font-size: var(--fs-h2);
}

.section__lead {
  max-width: 62ch;
  color: var(--color-text);
  line-height: var(--lh-loose);
}

/* Párrafo suelto que va después de un bloque, no dentro de un header. */
.section__lead--spaced {
  margin-top: var(--sp-2xl);
}

.section__header--center .section__lead {
  margin-inline: auto;
}

/* Eyebrow: replica el `wavo-headig-line` del original
   (13px / 400 / uppercase / letter-spacing 3px + linea de 70px a la izquierda) */
.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  margin: 0 0 var(--sp-sm);
  color: var(--color-heading);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-regular);
  line-height: 1.4;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  flex: 0 0 auto;
  width: var(--eyebrow-rule-width);
  height: 1px;
  background-color: currentColor;
}

/* --------------------------------------------------------------------------
   Header fijo
   -------------------------------------------------------------------------- */

/* IMPORTANTE: el header NO puede llevar `backdrop-filter`, `filter`,
   `transform` ni `will-change`. Cualquiera de esos crea un containing block
   para los descendientes `position: fixed`, y el panel de navegacion (.nav)
   quedaria encerrado dentro de la franja del header en vez de cubrir la
   pantalla completa. Por eso el fondo es un color casi opaco y no un blur. */
.header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-header);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}

.header.is-stuck {
  background-color: var(--color-overlay);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border-soft);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  min-height: var(--header-height);
}

/* El logo y el boton hamburguesa se pintan POR ENCIMA del panel de navegacion
   para que sigan visibles y clicables mientras el menu esta abierto. */
.header__logo {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.header__logo img {
  width: auto;
  height: 40px;
}

.header__actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

/* Bloque de telefono del header */
.header__phone {
  display: none;
  text-align: right;
  line-height: 1.3;
}

.header__phone-label {
  display: block;
  color: var(--color-muted);
  font-size: 0.6875rem;
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
}

.header__phone-number {
  display: block;
  color: var(--color-heading);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
}

.header__phone-number:hover {
  color: var(--color-accent);
}

/* Espaciador para el header fijo en paginas internas */
.page-offset {
  padding-top: var(--header-height);
}

/* --------------------------------------------------------------------------
   Navegacion
   -------------------------------------------------------------------------- */

/* Panel a pantalla completa en mobile. z-index 1: queda por debajo del logo y
   del boton hamburguesa (z-index 2), que siguen clicables con el menu abierto. */
.nav {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-height) + var(--sp-xl)) var(--container-gutter)
    var(--sp-xl);
  background-color: var(--color-overlay);
  opacity: 0;
  visibility: hidden;
  /* Cortina que baja desde arriba, como en el sitio original */
  clip-path: inset(0 0 100% 0);
  transition: opacity 0.45s var(--ease-out), clip-path 0.45s var(--ease-out),
    visibility 0.45s var(--ease-out);
}

.nav.is-open {
  opacity: 1;
  visibility: visible;
  clip-path: inset(0 0 0 0);
}

.nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
  max-width: var(--container-narrow);
  width: 100%;
  max-height: 100%;
  margin-inline: auto;
  overflow-y: auto;
}

.nav__link {
  display: block;
  padding: var(--sp-sm) 0;
  color: var(--color-text);
  font-size: 1.375rem;
  font-weight: var(--fw-medium);
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-heading);
}

.nav__link[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 1px;
}

/* Submenu "Demos" */
.nav__item--has-submenu {
  position: relative;
}

.nav__submenu-toggle {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
  width: 100%;
  padding: var(--sp-sm) 0;
  color: var(--color-text);
  font-size: 1.375rem;
  font-weight: var(--fw-medium);
  text-align: left;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav__submenu-toggle:hover {
  color: var(--color-heading);
}

.nav__chevron {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--dur-base) var(--ease-out);
}

.nav__submenu-toggle[aria-expanded="true"] .nav__chevron {
  transform: rotate(180deg);
}

.nav__submenu {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-base) var(--ease-out);
}

.nav__submenu[data-open="true"] {
  grid-template-rows: 1fr;
}

.nav__submenu-inner {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2xs);
  padding-left: var(--sp-md);
  border-left: 1px solid var(--color-border-soft);
}

.nav__sublink {
  display: block;
  padding: var(--sp-xs) 0;
  color: var(--color-muted-strong);
  font-size: 1rem;
}

.nav__sublink:hover,
.nav__sublink[aria-current="page"] {
  color: var(--color-heading);
}

/* --------------------------------------------------------------------------
   Boton hamburguesa
   -------------------------------------------------------------------------- */

.nav-toggle {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border-soft);
  border-radius: 50%;
  transition: border-color var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out);
}

.nav-toggle:hover {
  border-color: var(--color-border);
  background-color: rgba(255, 255, 255, 0.06);
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 20px;
  height: 12px;
}

.nav-toggle__bars span {
  position: absolute;
  inset-inline: 0;
  height: 1.5px;
  background-color: var(--color-heading);
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out),
    opacity var(--dur-fast) var(--ease-out);
}

.nav-toggle__bars span:nth-child(1) {
  top: 0;
}

.nav-toggle__bars span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle__bars span:nth-child(3) {
  bottom: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(5.25px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-5.25px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.footer {
  padding-block: var(--sp-3xl) var(--sp-xl);
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-soft);
}

.footer__grid {
  display: grid;
  gap: var(--sp-2xl);
  grid-template-columns: 1fr;
}

.footer__brand img {
  width: auto;
  height: 44px;
  margin-bottom: var(--sp-lg);
}

.footer__tagline {
  max-width: 22ch;
  margin: 0;
  color: var(--color-heading);
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  line-height: var(--lh-heading);
}

.footer__col-title {
  margin-bottom: var(--sp-md);
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.footer__links a {
  color: var(--color-muted-strong);
  width: fit-content;
}

.footer__links a:hover {
  color: var(--color-heading);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm) var(--sp-lg);
  align-items: center;
  justify-content: space-between;
  margin-top: var(--sp-2xl);
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--color-border-soft);
  color: var(--color-muted);
  font-size: var(--fs-body-sm);
}

/* --------------------------------------------------------------------------
   Grids reutilizables
   -------------------------------------------------------------------------- */

.grid {
  display: grid;
  gap: var(--gap-grid);
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

.grid--4 {
  grid-template-columns: 1fr;
}

/* Split 58% / 42% — la proporcion exacta del original */
.split {
  display: grid;
  gap: var(--sp-2xl);
  grid-template-columns: 1fr;
  align-items: center;
}

.split--reverse > :first-child {
  order: 2;
}