/* ==========================================================================
   AREA UNITED · Cabecera, panel «Clases» y menú móvil
   ========================================================================== */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: transform 400ms var(--ease-out), background-color 300ms, border-color 300ms;
}
.header.is-solid {
  background: var(--black);
  border-bottom-color: var(--surface-2);
}
.header.is-hidden { transform: translateY(-100%); }
/* Con el panel o el menú abiertos la cabecera nunca se esconde */
.header.is-open, .header.is-open.is-hidden { transform: none; background: var(--black); }

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: block; flex: none; }
.brand img { height: 28px; width: auto; }

/* --- Navegación de escritorio --- */
.nav { display: none; }
.nav-list { display: flex; align-items: center; gap: 12px; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 44px;
  padding-inline: 14px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--white);
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 8px;
  height: 2px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base) var(--ease-out);
}
.nav-link:hover::after, .nav-link[aria-expanded="true"]::after { transform: scaleX(1); }
.icon-chev { width: 14px; height: 14px; transition: transform var(--t-base); }
.nav-link[aria-expanded="true"] .icon-chev { transform: rotate(180deg); }

/* Panel desplegable «Clases» */
.nav-panel {
  position: fixed;
  left: 0; right: 0;
  top: var(--header-h);
  background: var(--black);
  border-bottom: 1px solid var(--surface-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out), visibility 0s linear var(--t-base);
}
.nav-item--panel.is-open .nav-panel {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
}
.nav-panel-inner {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  padding-block: 32px;
}
.nav-panel-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 32px;
  row-gap: 4px;
  align-content: start;
}
.nav-panel-list a {
  display: grid;
  grid-template-columns: 8px 1fr;
  column-gap: 12px;
  align-items: baseline;
  padding: 10px 8px;
  border-bottom: 1px solid var(--surface-2);
  transition: color var(--t-fast);
}
.nav-panel-list a:hover, .nav-panel-list a:focus-visible, .nav-panel-list a.is-active { color: var(--yellow); }
.nav-panel-list a .dot { align-self: center; width: 8px; height: 8px; }
.nav-panel-list a .display { font-size: 32px; line-height: .95; }
.nav-panel-list a small {
  grid-column: 2;
  font-size: 13px;
  color: var(--gray-text);
  line-height: 1.4;
}
.nav-panel-figure {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--surface-1);
}
.nav-panel-figure img, .nav-panel-figure .type-card {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity var(--t-base) ease;
}
.nav-panel-figure .type-card { opacity: 0; }
.nav-panel-figure.is-type .type-card { opacity: 1; }
.nav-panel-figure.is-type img { opacity: 0; }

/* --- Acciones derechas --- */
.header-actions { display: flex; align-items: center; gap: 12px; }

.burger {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  position: relative;
}
.burger-bar {
  position: absolute;
  width: 24px; height: 2px;
  background: var(--white);
  transition: transform var(--t-base) var(--ease-out);
}
.burger-bar:nth-child(1) { transform: translateY(-4px); }
.burger-bar:nth-child(2) { transform: translateY(4px); }
.burger[aria-expanded="true"] .burger-bar:nth-child(1) { transform: rotate(45deg); }
.burger[aria-expanded="true"] .burger-bar:nth-child(2) { transform: rotate(-45deg); }

/* --- Menú móvil a pantalla completa --- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--black);
  padding-top: var(--header-h);
  overflow-y: auto;
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path 500ms var(--ease-in-out), visibility 0s linear 500ms;
}
.mobile-menu.is-open {
  clip-path: inset(0 0 0 0);
  visibility: visible;
  transition: clip-path 500ms var(--ease-in-out);
}
.mobile-menu-inner {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-block: 24px 32px;
}
.mm-list > li { border-bottom: 1px solid var(--surface-2); }
.mm-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 0;
  font-size: var(--fs-nav-mobile);
  text-align: left;
  transform: translateY(24px);
  opacity: 0;
  transition: transform 500ms var(--ease-out), opacity 400ms;
}
.mobile-menu.is-open .mm-link { transform: none; opacity: 1; }
.mobile-menu.is-open li:nth-child(1) .mm-link { transition-delay: 80ms; }
.mobile-menu.is-open li:nth-child(2) .mm-link { transition-delay: 130ms; }
.mobile-menu.is-open li:nth-child(3) .mm-link { transition-delay: 180ms; }
.mobile-menu.is-open li:nth-child(4) .mm-link { transition-delay: 230ms; }
.mobile-menu.is-open li:nth-child(5) .mm-link { transition-delay: 280ms; }
.mobile-menu.is-open li:nth-child(6) .mm-link { transition-delay: 330ms; }
.mm-link:hover, .mm-link[aria-expanded="true"] { color: var(--yellow); }
.icon-plus { width: 28px; height: 28px; transition: transform var(--t-base) var(--ease-out); }
.mm-link[aria-expanded="true"] .icon-plus { transform: rotate(45deg); }

.mm-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px 16px;
  padding: 4px 0 20px;
}
.mm-sub a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  font-family: var(--font-display);
  font-size: 24px;
  text-transform: uppercase;
  line-height: 1;
}
.mm-sub a:hover { color: var(--yellow); }

.mm-foot { margin-top: 40px; display: grid; gap: 20px; }
.mm-foot .btn { justify-self: start; }
.mm-contact { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.mm-contact a { border-bottom: 2px solid var(--yellow); padding-bottom: 2px; font-size: 16px; }
.mm-address { font-size: 13px; }

/* --- Botón «Menú» (todos los anchos) --- */
.burger { width: auto; gap: 12px; display: inline-flex; align-items: center; padding-inline: 4px 0; }
.burger-label { display: none; font-size: 15px; letter-spacing: .12em; }
.burger-icon { position: relative; width: 28px; height: 28px; display: block; }
.burger-bar { left: 2px; top: 50%; margin-top: -1px; }
.mm-sub[hidden] { display: none; }
.burger[aria-expanded="true"] .burger-label { color: var(--yellow); }

/* --- Menú a pantalla completa: efecto en escritorio --- */
.mm-list { counter-reset: mm; }
.mm-list > li { position: relative; border-bottom: 0; }
.mm-list > li::after {                 /* línea que se dibuja al abrir */
  content: ""; position: absolute; inset: auto 0 0 0; height: 1px;
  background: var(--surface-2);
  transform: scaleX(0); transform-origin: left;
  transition: transform 700ms var(--ease-out) 150ms;
}
.mobile-menu.is-open .mm-list > li::after { transform: none; }
@media (hover: hover) {
  .mm-list:hover .mm-link:not(:hover) { opacity: .28; }
}

/* --- Foto del menú (solo escritorio) --- */
.mm-float { display: none; }

@media (min-width: 1024px) {
  .brand img { height: 36px; }
  .nav { display: none; }              /* sin enlaces sueltos: todo va en el menú */
  .burger-label { display: inline; }
  .header-cta { height: 44px; padding-inline: 20px; font-size: 17px; --btn-shadow: 4px; }

  .mobile-menu-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    grid-template-rows: 1fr auto;
    gap: 0 64px;
    align-content: center;
    padding-block: 32px 48px;
  }
  .mm-list { grid-row: 1 / span 2; align-self: center; }
  .mobile-menu { overflow: hidden; }                /* sin scroll en el menú de escritorio */
  .mm-link {
    font-size: clamp(40px, min(6vw, 8.4vh), 96px);   /* se adapta al alto para que todo quepa sin scroll */
    line-height: .95;
    padding: min(10px, 1.1vh) 0;
    gap: 24px;
    justify-content: flex-start;
  }
  .mm-list > li > .mm-link::before {   /* número 01–06 */
    counter-increment: mm;
    content: "0" counter(mm);
    font-family: var(--font-text);
    font-size: 13px; letter-spacing: .1em; color: var(--yellow);
    align-self: flex-start; margin-top: .9em;
    width: 2.2em;
  }
  .mm-link:hover { transform: translateX(18px); }
  .mobile-menu.is-open .mm-link:hover { transform: translateX(18px); }
  .mm-link .icon-plus { margin-left: auto; width: 36px; height: 36px; }
  .mm-sub { grid-template-columns: 1fr 1fr 1fr; padding-left: calc(2.2em + 24px); }
  .mm-sub { padding-block: 0 min(16px, 1.6vh); }
  .mm-sub a { font-size: clamp(20px, 2.8vh, 28px); padding: min(9px, .9vh) 0; }
  .mm-foot { grid-column: 2; grid-row: 2; align-self: end; margin-top: 24px; }

  /* Fotos flotantes: 4 piezas sueltas, ligeramente giradas, que se salen del
     bloque de enlaces y se mueven con el ratón. No dependen del enlace. */
  .mm-float { display: block; position: absolute; inset: 0; pointer-events: none; z-index: 0; }
  .mm-float-item {
    position: absolute;
    display: block;
    overflow: hidden;
    border-radius: var(--radius-card);
    opacity: 0;
    transform: translate3d(var(--px, 0), var(--py, 0), 0) scale(.86);
    transition: opacity 700ms var(--ease-out), transform 900ms var(--ease-out);
  }
  .mm-float-item img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.25) contrast(1.06) brightness(.85); }
  .mobile-menu.is-open .mm-float-item {
    opacity: 1;
    transform: translate3d(var(--px, 0), var(--py, 0), 0) scale(1);
  }
  .mobile-menu.is-open .mm-float-item--p1 { transition-delay: 250ms; }
  .mobile-menu.is-open .mm-float-item--p2 { transition-delay: 350ms; }
  .mobile-menu.is-open .mm-float-item--p3 { transition-delay: 450ms; }
  .mobile-menu.is-open .mm-float-item--p4 { transition-delay: 550ms; }
  /* Sin rotación ni solapes: dos columnas pegadas, grandes, que se salen por arriba */
  .mm-float-item--p1 { width: 18vw; aspect-ratio: 3/4; top: -6vh; left: 56vw; }
  .mm-float-item--p3 { width: 18vw; aspect-ratio: 3/4; top: calc(-6vh + 24vw + 1vw); left: 56vw; }
  .mm-float-item--p2 { width: 18vw; aspect-ratio: 3/4; top: 4vh;  left: 75vw; }
  .mm-float-item--p4 { width: 18vw; aspect-ratio: 3/4; top: calc(4vh + 24vw + 1vw); left: 75vw; }
  .mm-list { position: relative; z-index: 2; }
  .mm-foot { position: relative; z-index: 2; }
}

/* Cabecera a todo el ancho: logo en el borde izquierdo y menú en el derecho,
   con el margen lateral de la web (no se limita al contenedor de 1280 px) */
.header-inner.container { max-width: none; }
@media (min-width: 1024px) {
  .header-inner.container { padding-inline: clamp(32px, 3.4vw, 64px); }
}

/* Fotos del menú ocultas a petición del dueño (el HTML sigue ahí: quitar esta
   regla las recupera) */
.mm-float { display: none !important; }

/* Móvil estrecho: logo, «Clase gratuita» y hamburguesa caben en 390 px */
@media (max-width: 1023px) {
  .brand img { height: 22px; }
  .header-actions { gap: 6px; }
  .header-cta { padding-inline: 10px; font-size: 14px; }
}