/* ==========================================================================
   Laboratorio La Fragata · hoja de estilos del sitio
   Colores tomados del logo: naranja del camarón, azul de «Laboratorio» y
   el gris pizarra del nombre, llevado a un azul abismo para los fondos.
   ========================================================================== */

:root {
  --abismo: #0B1A2E;
  --abismo-2: #132a47;
  --tinta: #1E2633;
  --tinta-suave: #4E5A6A;
  --agua: #F2F6F8;
  --agua-2: #E6EEF2;
  --blanco: #FFFFFF;
  --linea: #D6E0E7;
  --linea-fuerte: #AFC0CC;
  --larva: #F35D2E;          /* naranja del logo */
  --larva-vivo: #FF7446;
  --marea: #1F6FAE;          /* azul del logo, oscurecido para texto sobre blanco */
  --celeste: #8CCBF2;        /* azul del logo, aclarado para texto sobre abismo */
  --error: #B42318;

  --f-titulo: "Lexend", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-texto: "Source Serif 4", Georgia, "Times New Roman", serif;

  --ancho: 1200px;
  --margen: clamp(16px, 5vw, 56px);
  --seccion: clamp(80px, 11vw, 148px);
  --foco: var(--marea);
  --nav-alto: 76px;
  --suave: cubic-bezier(.2, .7, .2, 1);
  --rebote: cubic-bezier(.34, 1.56, .64, 1);
}

/* ----------------------------- Base ----------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-alto); -webkit-text-size-adjust: 100%; }
body {
  background: var(--blanco);
  color: var(--tinta);
  font-family: var(--f-texto);
  font-size: 1.125rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
body.cargando { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
button, input, textarea { font: inherit; color: inherit; }
ul, ol { padding: 0; list-style: none; }
::selection { background: rgba(243, 93, 46, .28); }

h1, h2, h3 {
  font-family: var(--f-titulo);
  font-weight: 600;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
h2 { font-size: clamp(2rem, 1.3rem + 2.6vw, 3.25rem); line-height: 1.08; }
h3 { font-size: 1.375rem; line-height: 1.2; letter-spacing: -0.015em; }
p { text-wrap: pretty; }
i { font-style: italic; }

:focus-visible { outline: 3px solid var(--foco); outline-offset: 3px; border-radius: 2px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.saltar {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--larva); color: var(--abismo);
  font-family: var(--f-titulo); font-weight: 500;
  padding: 10px 16px; border-radius: 6px; text-decoration: none;
}
.saltar:focus { top: 12px; }

.envoltura { max-width: var(--ancho); margin-inline: auto; padding-inline: var(--margen); }
.seccion { position: relative; padding-block: var(--seccion); }
.entrada { max-width: 36rem; color: var(--tinta-suave); font-size: 1.1875rem; }

.enlace {
  color: var(--marea);
  font-family: var(--f-titulo); font-weight: 500; font-size: 0.95rem;
  text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px;
  transition: text-decoration-thickness .2s, text-underline-offset .2s;
}
.enlace:hover { text-decoration-thickness: 2px; text-underline-offset: 6px; }

/* ----------------------------- Ilustraciones de larvas ----------------------------- */
.larva { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; overflow: visible; }
.cuerpo { fill: var(--relleno-larva, none); }
.ojo { fill: currentColor; stroke: none; }
.flagelo { stroke-width: 1.2; opacity: .75; }
/* Las setas, más finas que el contorno; cada contenedor ajusta su grosor con --seta */
.seta { stroke-width: var(--seta, 1.1); opacity: .8; }

/* Se dibuja trazo a trazo: cada trazo tiene pathLength="1" (lo pone el JS) */
.larva.dibujando path {
  stroke-dasharray: 1; stroke-dashoffset: 1;
  animation: trazo 1.1s cubic-bezier(.65, 0, .35, 1) forwards;
  animation-delay: calc(var(--i, 0) * 55ms);
}
.larva.dibujando .cuerpo {
  fill-opacity: 0;
  animation: trazo 1.1s cubic-bezier(.65, 0, .35, 1) forwards, rellenar .6s ease forwards;
  animation-delay: calc(var(--i, 0) * 55ms), calc(var(--i, 0) * 55ms + .75s);
}
.larva.dibujando .ojo { opacity: 0; transform-box: fill-box; transform-origin: center; animation: ojo .45s var(--rebote) .65s forwards; }
@keyframes trazo { to { stroke-dashoffset: 0; } }
@keyframes rellenar { to { fill-opacity: 1; } }
@keyframes ojo { from { opacity: 0; transform: scale(0); } to { opacity: 1; transform: scale(1); } }

/* ----------------------------- Vidrio ----------------------------- */
.vidrio {
  background: linear-gradient(135deg, rgba(255, 255, 255, .11), rgba(255, 255, 255, .04));
  border: 1px solid rgba(255, 255, 255, .16);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), 0 24px 60px -30px rgba(0, 0, 0, .55);
}
.vidrio-claro {
  /* Sobre un fondo claro y liso el desenfoque no se ve: se omite, que es caro de pintar */
  background: linear-gradient(140deg, rgba(255, 255, 255, .92), rgba(255, 255, 255, .62));
  border: 1px solid rgba(255, 255, 255, .9);
  box-shadow: 0 1px 0 rgba(11, 26, 46, .04), 0 24px 50px -32px rgba(11, 26, 46, .35);
}
/* Foco de luz que sigue al cursor (el JS escribe --mx y --my) */
[data-foco] { position: relative; overflow: hidden; }
[data-foco]::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, -40%), rgba(140, 203, 242, .22), transparent 60%);
  opacity: 0; transition: opacity .35s;
}
[data-foco]:hover::after { opacity: 1; }
.vidrio-claro[data-foco]::after { background: radial-gradient(360px circle at var(--mx, 50%) var(--my, -40%), rgba(243, 93, 46, .12), transparent 60%); }

/* Inclinación 3D con el ratón (el JS escribe --rx y --ry) */
[data-inclinar] {
  transform: perspective(1000px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .5s var(--suave);
  will-change: transform;
}
[data-inclinar].moviendo { transition: transform .08s linear; }

/* ----------------------------- Botones ----------------------------- */
.boton {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 12px 26px;
  border: 1.5px solid transparent; border-radius: 8px;
  font-family: var(--f-titulo); font-weight: 500; font-size: 1rem; line-height: 1.2;
  text-decoration: none; cursor: pointer;
  transition: background-color .25s, border-color .25s, color .25s, box-shadow .3s, transform .35s var(--suave);
}
/* Brillo que cruza el botón al pasar el ratón */
.boton::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .45), transparent);
  transform: skewX(-20deg); transition: left .6s var(--suave); pointer-events: none;
}
.boton:hover::before { left: 130%; }
.boton--larva { background: var(--larva); color: var(--abismo); box-shadow: 0 12px 30px -12px rgba(243, 93, 46, .8); }
.boton--larva:hover { background: var(--larva-vivo); box-shadow: 0 18px 40px -12px rgba(243, 93, 46, .9); }
.boton--vidrio {
  color: var(--blanco); border-color: rgba(255, 255, 255, .35);
  background: rgba(255, 255, 255, .07);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.boton--vidrio:hover { border-color: rgba(255, 255, 255, .8); background: rgba(255, 255, 255, .14); }
.boton[disabled] { cursor: progress; }
.boton__carga {
  display: none; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(11, 26, 46, .3); border-top-color: var(--abismo);
  animation: girar .7s linear infinite;
}
.boton.enviando .boton__carga { display: inline-block; }
@keyframes girar { to { transform: rotate(360deg); } }

/* ----------------------------- Pantalla de carga ----------------------------- */
.cargador {
  position: fixed; inset: 0; z-index: 300;
  display: none; place-items: center;
  background: radial-gradient(circle at 50% 45%, #15335a, var(--abismo) 65%);
  transition: opacity .6s ease, visibility .6s;
}
.js .cargador.activo { display: grid; }
.cargador.fuera { opacity: 0; visibility: hidden; }
.cargador__centro { position: relative; width: 132px; height: 132px; display: grid; place-items: center; }
.cargador__icono {
  position: relative; width: 92px; height: 92px;
  padding: 12px; border-radius: 50%; background: var(--blanco);
  box-shadow: 0 0 0 6px rgba(140, 203, 242, .15), 0 20px 60px -10px rgba(140, 203, 242, .5);
  animation: flotar 2.4s ease-in-out infinite;
}
.cargador__onda {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1.5px solid rgba(140, 203, 242, .55);
  animation: sonar 2.1s ease-out infinite;
}
.cargador__onda:nth-child(2) { animation-delay: .7s; }
.cargador__onda:nth-child(3) { animation-delay: 1.4s; }
@keyframes sonar { from { transform: scale(.6); opacity: 1; } to { transform: scale(2.2); opacity: 0; } }
@keyframes flotar { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ----------------------------- Cursor ----------------------------- */
.cursor { display: none; }
@media (pointer: fine) {
  .cursor.activo {
    display: block; position: fixed; left: 0; top: 0; z-index: 250; pointer-events: none;
    mix-blend-mode: difference;
  }
  .cursor__aro, .cursor__punto {
    position: fixed; left: 0; top: 0; border-radius: 50%;
    transform: translate3d(var(--x, -100px), var(--y, -100px), 0) translate(-50%, -50%);
  }
  .cursor__aro {
    width: 36px; height: 36px; border: 1.5px solid #fff;
    transform: translate3d(var(--ax, -100px), var(--ay, -100px), 0) translate(-50%, -50%) scale(var(--escala, 1));
    transition: width .3s var(--suave), height .3s var(--suave), opacity .3s, background-color .3s;
  }
  .cursor__punto { width: 5px; height: 5px; background: #fff; }
  .cursor.sobre .cursor__aro { width: 62px; height: 62px; background: rgba(255, 255, 255, .12); }
  .cursor.oculto .cursor__aro, .cursor.oculto .cursor__punto,
  .cursor.fuera .cursor__aro, .cursor.fuera .cursor__punto { opacity: 0; }
  .cursor.fuera .cursor__aro { transform: translate3d(var(--ax, -100px), var(--ay, -100px), 0) translate(-50%, -50%) scale(.4); }
}

/* ----------------------------- Navegación ----------------------------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--nav-alto);
  color: var(--blanco);
  background: linear-gradient(180deg, rgba(11, 26, 46, .55), rgba(11, 26, 46, 0));
  border-bottom: 1px solid transparent;
  transition: background-color .4s, border-color .4s, color .4s, transform .45s var(--suave), box-shadow .4s;
  --foco: var(--celeste);
}
.nav.escondida { transform: translateY(-100%); }
.nav__in {
  max-width: calc(var(--ancho) + 2 * 24px); height: 100%;
  margin-inline: auto; padding-inline: clamp(16px, 3vw, 24px);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav__marca { display: block; flex-shrink: 0; transition: transform .35s var(--suave); }
.nav__marca:hover { transform: scale(1.04); }
.nav__logo { height: 40px; width: auto; }
.nav__logo--color { display: none; }

.nav__menu { position: relative; display: flex; align-items: center; gap: clamp(16px, 2.2vw, 32px); }
.nav__menu a:not(.boton) {
  position: relative;
  font-family: var(--f-titulo); font-weight: 500; font-size: .95rem;
  text-decoration: none; padding-block: 8px; opacity: .82;
  transition: opacity .25s;
}
.nav__menu a:not(.boton):hover, .nav__menu a.activo { opacity: 1; }
.nav__indicador {
  position: absolute; bottom: 14px; left: 0; height: 2px; width: 0;
  background: var(--larva); border-radius: 2px;
  transition: transform .45s var(--suave), width .45s var(--suave), opacity .3s;
  opacity: 0;
}
.nav__indicador.visible { opacity: 1; }
.nav__cta { min-height: 42px; padding: 9px 18px; }
.nav__progreso {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%;
  background: linear-gradient(90deg, var(--larva), var(--celeste));
  transform-origin: 0 50%; transform: scaleX(var(--progreso, 0));
}

.nav__boton {
  display: none; align-items: center; gap: 10px;
  background: none; border: 0; padding: 10px 4px; cursor: pointer;
  font-family: var(--f-titulo); font-weight: 500; font-size: .95rem;
}
.nav__barras, .nav__barras::before, .nav__barras::after {
  display: block; width: 22px; height: 2px; background: currentColor; border-radius: 2px;
  transition: transform .3s var(--suave), background-color .25s;
}
.nav__barras { position: relative; }
.nav__barras::before, .nav__barras::after { content: ""; position: absolute; left: 0; }
.nav__barras::before { top: -7px; }
.nav__barras::after { top: 7px; }

.nav--solida {
  background: rgba(255, 255, 255, .72);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
  border-bottom-color: rgba(175, 192, 204, .45);
  box-shadow: 0 10px 30px -20px rgba(11, 26, 46, .35);
  color: var(--tinta);
  --foco: var(--marea);
}
.nav--solida .nav__logo--claro { display: none; }
.nav--solida .nav__logo--color { display: block; }

/* ----------------------------- Portada ----------------------------- */
.portada {
  position: relative; isolation: isolate;
  min-height: min(100svh, 980px);
  display: grid; align-items: center;
  padding-block: calc(var(--nav-alto) + 48px) 150px;
  background: var(--abismo); color: var(--blanco);
  overflow: hidden;
  --foco: var(--celeste);
}
.portada__foto { position: absolute; inset: -8% 0 -8% 0; z-index: -3; }
.portada__foto img {
  width: 100%; height: 100%; object-fit: cover;
  will-change: transform;
  animation: acercar 26s ease-in-out infinite alternate;
}
@keyframes acercar { from { transform: scale(1.04); } to { transform: scale(1.16) translateX(-1.5%); } }
.portada::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(70% 60% at 78% 45%, rgba(31, 111, 174, .28), transparent 70%),
    linear-gradient(90deg, rgba(11, 26, 46, .97) 0%, rgba(11, 26, 46, .86) 45%, rgba(18, 36, 58, .62) 100%),
    linear-gradient(0deg, rgba(11, 26, 46, .9) 0%, transparent 40%);
}
.portada__burbujas { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; pointer-events: none; }

.portada__in {
  width: 100%;
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  align-items: center; gap: clamp(40px, 6vw, 96px);
}
.portada__titulo {
  font-size: clamp(2.75rem, 1.2rem + 4.6vw, 5.25rem);
  line-height: 1.02; letter-spacing: -0.04em; font-weight: 600;
  max-width: 7em;
}
/* Cada palabra sube desde detrás de una máscara */
.palabra { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
.palabra > span { display: inline-block; }
.js .palabra > span { transform: translateY(110%) rotate(4deg); }
.listo .palabra > span { transform: none; transition: transform 1s cubic-bezier(.16, 1, .3, 1); }
.listo .palabra:nth-child(2) > span { transition-delay: .08s; }
.listo .palabra:nth-child(3) > span { transition-delay: .16s; }
.listo .palabra:nth-child(4) > span { transition-delay: .24s; }

.portada__bajada {
  margin-top: 28px; max-width: 32rem;
  font-size: clamp(1.125rem, 1rem + .4vw, 1.3125rem);
  color: rgba(255, 255, 255, .84);
}
.portada__bajada i { color: var(--blanco); }
.portada__acciones { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 12px; }

/* Entradas de la portada, en cuanto se va la pantalla de carga */
.js .intro { opacity: 0; transform: translateY(24px); }
.listo .intro { opacity: 1; transform: none; transition: opacity .9s ease var(--retraso, 0s), transform 1s var(--suave) var(--retraso, 0s); }

.portada__bajar {
  position: absolute; left: 50%; bottom: 120px; z-index: 2; transform: translateX(-50%);
  width: 28px; height: 46px; border-radius: 16px; border: 1.5px solid rgba(255, 255, 255, .45);
}
.portada__bajar span {
  position: absolute; left: 50%; top: 9px; width: 4px; height: 8px; margin-left: -2px;
  border-radius: 2px; background: var(--blanco);
  animation: rueda 1.8s ease-in-out infinite;
}
@keyframes rueda { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(16px); } }

/* Olas: tres capas, cada una su propio SVG del doble de ancho, desplazadas con transform */
.olas { position: absolute; left: 0; right: 0; bottom: -1px; height: clamp(60px, 9vw, 120px); z-index: 1; overflow: hidden; pointer-events: none; }
.ola { position: absolute; left: 0; bottom: 0; width: 200%; max-width: none; height: 100%; fill: var(--agua); will-change: transform; }
.ola--1 { opacity: .35; animation: ola 16s linear infinite; }
.ola--2 { opacity: .55; animation: ola 11s linear infinite reverse; }
.ola--3 { opacity: 1; animation: ola 20s linear infinite; }
@keyframes ola { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ----------------------------- Microscopio ----------------------------- */
.micro { position: relative; justify-self: center; width: min(100%, 500px); }
.micro__inclinable {
  position: relative;
  transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .6s var(--suave);
  transform-style: preserve-3d;
}
.micro__campo {
  /* Sin overflow:hidden a propósito: el recorte redondo obligaba a enmascarar
     en cada fotograma mientras la larva nada, y nada sale del disco. */
  position: relative; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 48% 44%, #FBFDF7 0%, #EEF5F0 46%, #D5E5E2 74%, #A9C2C4 92%, #7F9CA3 100%);
  box-shadow:
    0 0 0 10px rgba(140, 203, 242, .07),
    0 0 0 11px rgba(140, 203, 242, .3),
    0 0 0 34px rgba(140, 203, 242, .04),
    0 50px 130px -30px rgba(140, 203, 242, .45),
    inset 0 0 60px rgba(11, 26, 46, .38);
  color: #1C2D45;
  --relleno-larva: rgba(243, 93, 46, .14);
  cursor: none;
}
.micro__campo::before {
  /* Aro exterior que gira despacio, como el anillo de enfoque */
  content: ""; position: absolute; inset: -1px; border-radius: 50%; z-index: 3; pointer-events: none;
  background: conic-gradient(from 0deg, transparent 0 70%, rgba(243, 93, 46, .0) 70%, rgba(243, 93, 46, .55) 82%, transparent 90%);
  -webkit-mask: radial-gradient(closest-side, transparent calc(100% - 6px), #000 calc(100% - 5px));
  mask: radial-gradient(closest-side, transparent calc(100% - 6px), #000 calc(100% - 5px));
  will-change: transform;
  animation: girar 9s linear infinite;
}
.micro__reticula { position: absolute; inset: 0; width: 100%; height: 100%; transform: translate(calc(var(--px, 0) * -4px), calc(var(--py, 0) * -4px)); transition: transform .4s var(--suave); }
.micro__aro { fill: none; stroke: rgba(28, 45, 69, .18); stroke-width: 1; }
.micro__cruz { stroke: rgba(28, 45, 69, .14); stroke-width: 1; }
.micro__marcas line { stroke: rgba(28, 45, 69, .3); stroke-width: 1; }
.micro__marcas line.larga { stroke: rgba(28, 45, 69, .45); }

.micro__nadador {
  position: absolute; left: 50%; top: 50%; width: 78%;
  transform: translate(-50%, -52%) translate(calc(var(--px, 0) * 14px), calc(var(--py, 0) * 14px));
  transition: transform .5s var(--suave), filter .6s ease;
}
.js .micro .micro__nadador { filter: blur(6px); }
.listo .micro .micro__nadador { filter: none; transition-delay: 0s, .5s; }
.micro__larva { width: 100%; height: auto; stroke-width: 2.1; will-change: transform; }
.micro__larva.nadando { animation: nadar 6s ease-in-out infinite; }
.micro__larva.cambiando { opacity: 0; transform: scale(.88); transition: opacity .3s, transform .3s; }
@keyframes nadar {
  0%, 100% { transform: translate(0, 0) rotate(-1.5deg); }
  50% { transform: translate(2%, -3%) rotate(1.5deg); }
}
.micro__brillo {
  position: absolute; inset: 0; border-radius: 50%; pointer-events: none;
  background: radial-gradient(40% 30% at calc(30% + var(--px, 0) * 10%) calc(22% + var(--py, 0) * 10%), rgba(255, 255, 255, .5), transparent 70%);
}

.micro__algas span {
  position: absolute; width: 7px; height: 7px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #C6DD86, #6E9A3A);
  box-shadow: 0 0 6px rgba(110, 154, 58, .4);
  opacity: .6;
}
.micro__algas span:nth-child(1) { left: 18%; top: 30%; }
.micro__algas span:nth-child(2) { left: 72%; top: 22%; width: 5px; height: 5px; }
.micro__algas span:nth-child(3) { left: 80%; top: 64%; }
.micro__algas span:nth-child(4) { left: 28%; top: 74%; width: 9px; height: 9px; opacity: .4; }
.micro__algas span:nth-child(5) { left: 55%; top: 82%; width: 4px; height: 4px; }
.micro__algas span:nth-child(6) { left: 12%; top: 55%; width: 5px; height: 5px; }
.micro__algas span:nth-child(7) { left: 63%; top: 12%; width: 6px; height: 6px; opacity: .4; }
.micro__algas span:nth-child(8) { left: 40%; top: 18%; width: 4px; height: 4px; }
.micro__algas span:nth-child(9) { left: 86%; top: 42%; width: 6px; height: 6px; opacity: .45; }

.micro__escala {
  position: absolute; left: 50%; bottom: 10%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 10px;
  font-family: var(--f-texto); font-size: .875rem; color: rgba(28, 45, 69, .8);
}
.micro__barra { width: 56px; height: 3px; background: currentColor; border-radius: 1px; }

/* La lupa */
.micro__lupa {
  --tam: 150px;
  position: absolute; left: 0; top: 0; z-index: 4;
  width: var(--tam); height: var(--tam); margin: calc(var(--tam) / -2) 0 0 calc(var(--tam) / -2);
  border-radius: 50%; overflow: hidden; pointer-events: none;
  border: 3px solid rgba(255, 255, 255, .95);
  box-shadow: 0 0 0 1px rgba(11, 26, 46, .2), 0 18px 40px -10px rgba(11, 26, 46, .55), inset 0 0 20px rgba(11, 26, 46, .25);
  transform: translate(var(--lx, 0px), var(--ly, 0px)) scale(.3);
  opacity: 0;
  transition: opacity .25s, transform .35s var(--rebote);
  background: radial-gradient(circle at 48% 44%, #FBFDF7 0%, #EEF5F0 46%, #D5E5E2 100%);
}
.micro__lupa.visible { opacity: 1; transform: translate(var(--lx, 0px), var(--ly, 0px)) scale(1); transition: opacity .25s, transform .35s var(--rebote); }
.micro__lupa.visible.moviendo { transition: opacity .25s, transform 0s; }
.micro__lupa-in { position: absolute; left: 0; top: 0; transform-origin: 0 0; }
.micro__lupa-in .micro__nadador { filter: none !important; }

/* Etiquetas de vidrio flotantes */
.chip {
  position: absolute; z-index: 5;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px; border-radius: 999px;
  font-family: var(--f-titulo); font-size: .875rem; font-weight: 500; white-space: nowrap;
  color: var(--blanco);
  background: linear-gradient(135deg, rgba(30, 58, 92, .82), rgba(11, 26, 46, .72));
  border: 1px solid rgba(255, 255, 255, .22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 14px 34px -14px rgba(0, 0, 0, .6);
  transform: translateZ(40px) translate(calc(var(--px, 0) * -18px), calc(var(--py, 0) * -18px));
  transition: transform .6s var(--suave);
}
.chip i { font-family: var(--f-texto); font-size: .95rem; font-weight: 400; }
.chip { will-change: transform; }
.chip--especie { left: -20%; top: 3%; animation: flotar 5s ease-in-out infinite; }
.chip--grupo { right: -12%; bottom: -5%; animation: flotar 6s ease-in-out -2s infinite; }
/* Punto que late: un aro que crece y se desvanece (solo transform y opacity) */
.chip__punto { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--larva); }
.chip__punto::after, .cadena__aqui-punto::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--larva);
  animation: latir 2s ease-out infinite;
}
@keyframes latir { from { transform: scale(1); opacity: .7; } to { transform: scale(3.2); opacity: 0; } }

.micro__pie { margin-top: 26px; text-align: center; display: flex; flex-direction: column; gap: 2px; }
.micro__estadio { font-family: var(--f-titulo); font-weight: 500; font-size: 1.25rem; transition: opacity .3s; }
.micro__nota { font-size: .9375rem; color: rgba(255, 255, 255, .62); font-style: italic; }

.micro__puntos { margin-top: 16px; display: flex; justify-content: center; gap: 6px; }
.micro__puntos button {
  position: relative;
  min-width: 36px; height: 36px; padding: 0; border: 0; background: none; cursor: pointer;
  display: grid; place-items: center;
}
.micro__puntos button::before {
  content: ""; width: 10px; height: 10px; border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, .6);
  transition: background-color .25s, border-color .25s, transform .35s var(--rebote), width .35s var(--suave);
}
.micro__puntos button span {
  position: absolute; bottom: 100%; left: 50%; transform: translate(-50%, 6px);
  padding: 4px 9px; border-radius: 6px; white-space: nowrap;
  font-family: var(--f-titulo); font-size: .8rem;
  background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .2);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .25s var(--suave);
}
.micro__puntos button:hover span, .micro__puntos button:focus-visible span { opacity: 1; transform: translate(-50%, 0); }
.micro__puntos button[aria-pressed="true"]::before { background: var(--larva); border-color: var(--larva); width: 26px; border-radius: 6px; }
.micro__puntos button:hover::before { border-color: var(--blanco); transform: scale(1.2); }

/* ----------------------------- Aparecer al hacer scroll ----------------------------- */
.js [data-revelar] { opacity: 0; transform: translateY(34px); }
.js [data-revelar].visto {
  opacity: 1; transform: none;
  transition: opacity .9s ease var(--retraso, 0s), transform 1s var(--suave) var(--retraso, 0s);
}
/* Los que además se inclinan conservan su transformación 3D cuando ya se vieron */
.js [data-revelar][data-inclinar].visto {
  transform: perspective(1000px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: opacity .9s ease var(--retraso, 0s), transform .5s var(--suave);
}
/* Se recorta la imagen, no la figura: una figura recortada entera mide cero
   para el IntersectionObserver y nunca llegaría a «verse». */
.js [data-destapar] { background: transparent; }
.js [data-destapar] img { clip-path: inset(100% 0 0 0); scale: 1.25; }
.js [data-destapar].visto img {
  clip-path: inset(0 0 0 0); scale: 1;
  transition: clip-path 1.2s cubic-bezier(.77, 0, .18, 1) var(--retraso, 0s), scale 1.6s cubic-bezier(.16, 1, .3, 1) var(--retraso, 0s), filter .6s;
}
.js [data-destapar].visto:hover img { scale: 1.08; transition: clip-path 1.2s cubic-bezier(.77, 0, .18, 1), scale 1.2s cubic-bezier(.16, 1, .3, 1), filter .6s; }
.js .valores__lista li.visto:hover { transform: translateY(-8px); }

/* ----------------------------- Ciclo larval ----------------------------- */
.ciclo { background: var(--agua); overflow: hidden; }
.ciclo::before {
  /* Mancha de luz suave en el fondo */
  content: ""; position: absolute; width: 60vw; height: 60vw; right: -20vw; top: -10vw;
  border-radius: 50%; background: radial-gradient(circle, rgba(140, 203, 242, .35), transparent 65%);
  animation: deriva-mancha 18s ease-in-out infinite alternate; pointer-events: none;
}
@keyframes deriva-mancha { to { transform: translate(-12vw, 10vw); } }
.ciclo__cabeza, .lab__cabeza {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 80px); align-items: end;
}
.ciclo__cabeza h2 { max-width: 15ch; }
.ciclo__cuerpo { position: relative; margin-top: clamp(48px, 6vw, 72px); }

.ciclo__pestanas {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--linea-fuerte);
}
.pestana {
  position: relative;
  display: flex; align-items: center; gap: 12px;
  padding: 14px 4px 18px; background: none; border: 0; cursor: pointer;
  text-align: left; color: var(--tinta-suave);
  transition: color .25s;
}
.pestana::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px;
  background: rgba(243, 93, 46, .25); transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--suave);
}
.pestana__progreso {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; z-index: 1;
  background: var(--larva); transform: scaleX(0); transform-origin: left;
}
.pestana[aria-selected="true"] .pestana__progreso { transform: scaleX(1); transition: transform .4s var(--suave); }
.pestana.avanzando .pestana__progreso { transform: scaleX(0); animation: avance var(--duracion, 6s) linear forwards; }
.ciclo__cuerpo.pausado .pestana.avanzando .pestana__progreso { animation-play-state: paused; }
@keyframes avance { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.pestana__num {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1.5px solid var(--linea-fuerte);
  font-family: var(--f-titulo); font-weight: 500; font-size: .9rem;
  transition: background-color .3s, border-color .3s, color .3s, transform .4s var(--rebote);
}
.pestana__nombre { font-family: var(--f-titulo); font-weight: 500; font-size: 1.0625rem; }
.pestana:hover { color: var(--tinta); }
.pestana:hover::after { transform: scaleX(1); }
.pestana:hover .pestana__num { transform: scale(1.1); border-color: var(--larva); }
.pestana[aria-selected="true"] { color: var(--tinta); }
.pestana[aria-selected="true"] .pestana__num { background: var(--larva); border-color: var(--larva); color: var(--abismo); transform: scale(1.08); box-shadow: 0 8px 20px -8px rgba(243, 93, 46, .8); }

.lamina {
  margin-top: 32px;
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 64px); align-items: center;
}
.lamina:focus-visible { outline-offset: 8px; }
.lamina__figura {
  position: relative; overflow: hidden;
  background-color: rgba(255, 255, 255, .8);
  border: 1px solid rgba(214, 224, 231, .9);
  border-radius: 14px;
  padding: clamp(20px, 3vw, 40px) clamp(20px, 3vw, 40px) 20px;
  box-shadow: 0 40px 80px -50px rgba(11, 26, 46, .5);
  /* Cuadrícula tenue, como el fondo de una cámara de conteo */
  background-image:
    linear-gradient(var(--agua-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--agua-2) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: -1px -1px;
}
.lamina__reflejo {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 255, 255, .85), transparent 55%);
  mix-blend-mode: soft-light; opacity: 0; transition: opacity .4s;
}
.lamina__figura:hover .lamina__reflejo { opacity: 1; }
.lamina__dia {
  position: absolute; right: 16px; top: 14px;
  font-family: var(--f-titulo); font-size: .85rem; font-weight: 500;
  padding: 4px 10px; border-radius: 999px;
  background: rgba(243, 93, 46, .12); color: #A63812;
}
.lamina__larva {
  width: 100%; height: auto; aspect-ratio: 3 / 2;
  color: var(--tinta); stroke-width: 1.8;
  --relleno-larva: rgba(243, 93, 46, .12);
}
.lamina__pie {
  position: relative;
  margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--linea);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 16px;
  font-size: .9375rem; color: var(--tinta-suave);
}
.lamina__escala { display: inline-flex; align-items: center; gap: 8px; }
.lamina__barra { width: 40px; height: 3px; background: var(--tinta); border-radius: 1px; }

.lamina__texto > * { transition: opacity .35s ease, transform .45s var(--suave); }
.lamina__texto.cambiando > * { opacity: 0; transform: translateX(18px); }
.lamina__texto.cambiando > :nth-child(2) { transition-delay: .03s; }
.lamina__texto.cambiando > :nth-child(3) { transition-delay: .06s; }
.lamina__texto h3 { font-size: clamp(1.75rem, 1.3rem + 1.4vw, 2.5rem); letter-spacing: -0.03em; }
.lamina__texto p { margin-top: 16px; max-width: 30rem; }
.lamina__datos { margin-top: 28px; border-top: 1px solid var(--linea-fuerte); }
.lamina__datos div {
  display: grid; grid-template-columns: 7.5rem 1fr; gap: 16px;
  padding-block: 12px; border-bottom: 1px solid var(--linea);
}
.lamina__datos dt, .ficha__lista dt, .contacto__lista dt {
  font-family: var(--f-titulo); font-weight: 500; font-size: .9rem; color: var(--tinta-suave);
  padding-top: 2px;
}

/* Línea de tiempo con deslizador */
.linea-tiempo { margin-top: 56px; }
.linea-tiempo__titulo { display: block; font-family: var(--f-titulo); font-weight: 500; font-size: .95rem; color: var(--tinta-suave); margin-bottom: 40px; }
.linea-tiempo__pista { position: relative; height: 28px; }
.linea-tiempo__barra { position: absolute; left: 0; right: 0; top: 9px; height: 10px; }
.tramo {
  position: absolute; top: 0; bottom: 0;
  left: calc(var(--desde) / 21 * 100%);
  width: calc((var(--hasta) - var(--desde)) / 21 * 100% - 3px);
  background: var(--linea-fuerte); border-radius: 3px;
  transition: background-color .35s, transform .35s var(--suave);
}
.tramo.activo { background: rgba(243, 93, 46, .35); transform: scaleY(1.35); }
.linea-tiempo__lleno {
  position: absolute; left: 0; top: 0; bottom: 0; border-radius: 3px;
  width: calc(var(--dia, 1) / 21 * 100%);
  background: linear-gradient(90deg, var(--larva), var(--larva-vivo));
  transition: width .35s var(--suave);
  pointer-events: none;
}
.linea-tiempo__rango {
  position: absolute; inset: 0; width: 100%; height: 28px; margin: 0;
  -webkit-appearance: none; appearance: none; background: transparent; cursor: grab;
}
.linea-tiempo__rango:active { cursor: grabbing; }
.linea-tiempo__rango::-webkit-slider-runnable-track { height: 28px; background: transparent; }
.linea-tiempo__rango::-moz-range-track { height: 28px; background: transparent; }
.linea-tiempo__rango::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--blanco); border: 6px solid var(--larva);
  box-shadow: 0 6px 18px -4px rgba(243, 93, 46, .7);
  transition: transform .25s var(--rebote);
}
.linea-tiempo__rango::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--blanco); border: 6px solid var(--larva);
  box-shadow: 0 6px 18px -4px rgba(243, 93, 46, .7);
}
.linea-tiempo__rango:hover::-webkit-slider-thumb, .linea-tiempo__rango:active::-webkit-slider-thumb { transform: scale(1.18); }
.linea-tiempo__rango:focus-visible { outline: none; }
.linea-tiempo__rango:focus-visible::-webkit-slider-thumb { outline: 3px solid var(--marea); outline-offset: 3px; }
.linea-tiempo__rango:focus-visible::-moz-range-thumb { outline: 3px solid var(--marea); outline-offset: 3px; }
.linea-tiempo__globo {
  position: absolute; bottom: calc(100% + 8px);
  left: calc(14px + (100% - 28px) * var(--dia, 1) / 21);
  transform: translateX(-50%);
  padding: 4px 10px; border-radius: 6px; white-space: nowrap;
  font-family: var(--f-titulo); font-size: .85rem; font-weight: 500;
  background: var(--abismo); color: var(--blanco);
  transition: left .35s var(--suave);
  pointer-events: none;
}
.linea-tiempo__globo::after {
  content: ""; position: absolute; left: 50%; top: 100%; margin-left: -5px;
  border: 5px solid transparent; border-top-color: var(--abismo);
}
.linea-tiempo__dias { position: relative; height: 1.6em; margin-top: 10px; font-size: .875rem; color: var(--tinta-suave); }
.linea-tiempo__dias span { position: absolute; left: calc(var(--dia) / 21 * 100%); white-space: nowrap; }
.linea-tiempo__dias span:last-child { transform: translateX(-100%); }
.ciclo__nota { margin-top: 12px; font-size: .9375rem; font-style: italic; color: var(--tinta-suave); }

/* ----------------------------- Íconos de línea ----------------------------- */
.icono {
  width: 20px; height: 20px; flex-shrink: 0;
  fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}

/* ----------------------------- Cabecera centrada (como en aquanivar.com) ----------------------------- */
.cabecera-centrada {
  max-width: 780px; margin-inline: auto; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.cabecera-centrada .entrada { margin-inline: auto; }
/* Una línea corta bajo el título, que se dibuja al aparecer */
.cabecera-centrada h2::after {
  content: ""; display: block; width: 64px; height: 4px; margin: 20px auto 0; border-radius: 4px;
  background: linear-gradient(90deg, var(--larva), var(--celeste));
  transform: scaleX(0); transition: transform .9s var(--suave) .35s;
}
.cabecera-centrada h2.visto::after, html:not(.js) .cabecera-centrada h2::after { transform: scaleX(1); }

.boton--chico { min-height: 42px; padding: 8px 18px; font-size: .92rem; }
.boton .icono { width: 18px; height: 18px; }

/* ----------------------------- Franja de datos ----------------------------- */
.franja {
  position: relative; overflow: hidden;
  background: var(--blanco);
  border-bottom: 1px solid var(--linea);
  -webkit-mask: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.franja__pista { display: flex; width: max-content; animation: franja 55s linear infinite; }
.franja:hover .franja__pista, .franja:focus-within .franja__pista { animation-play-state: paused; }
@keyframes franja { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.franja__grupo { display: flex; }
.franja__grupo li { display: flex; align-items: center; }
/* Separador: un punto entre dato y dato */
.franja__grupo li::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--linea-fuerte); }
.franja__grupo a {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 20px 30px;
  font-family: var(--f-titulo); font-weight: 500; font-size: .98rem; white-space: nowrap;
  color: var(--tinta); text-decoration: none;
  transition: color .25s;
}
.franja__grupo a i { font-family: var(--f-texto); font-size: 1.05rem; }
.franja__grupo a .icono { color: var(--marea); transition: transform .4s var(--rebote), color .25s; }
.franja__grupo a:hover { color: var(--larva); }
.franja__grupo a:hover .icono { color: var(--larva); transform: translateY(-3px) scale(1.15); }
.franja__larva { width: 36px; height: auto; color: var(--larva); stroke-width: 7; --seta: 3; --relleno-larva: rgba(243, 93, 46, .2); }

/* ----------------------------- Quiénes somos ----------------------------- */
.somos { background: var(--blanco); }
.somos__cuerpo {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: clamp(32px, 5vw, 72px); align-items: center;
}

.galeria__marco {
  position: relative; aspect-ratio: 5 / 4; overflow: hidden;
  border-radius: 24px; background: var(--agua-2);
  box-shadow: 0 50px 90px -50px rgba(11, 26, 46, .55);
}
.galeria__foto { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity 1.1s ease; }
.galeria__foto.activa { opacity: 1; }
.galeria__foto img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.1); transition: transform 7s linear; }
.galeria__foto.activa img { transform: scale(1); }
.galeria__insignia {
  position: absolute; left: 18px; bottom: 22px; z-index: 2;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 18px 12px 12px; border-radius: 16px;
  background: rgba(255, 255, 255, .86);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: 0 16px 34px -18px rgba(11, 26, 46, .55);
}
.galeria__insignia img { width: 40px; height: 40px; padding: 4px; border-radius: 12px; background: var(--blanco); }
.galeria__insignia strong { display: block; font-family: var(--f-titulo); font-weight: 600; font-size: .95rem; }
.galeria__insignia span span { display: block; font-size: .85rem; color: var(--tinta-suave); }
.galeria__progreso {
  position: absolute; left: 0; bottom: 0; height: 4px; width: 100%; z-index: 2;
  background: var(--larva); transform-origin: 0 50%; transform: scaleX(0);
}
.galeria__progreso.corriendo { animation: avance var(--duracion, 5.5s) linear forwards; }
.galeria:hover .galeria__progreso, .galeria:focus-within .galeria__progreso, .galeria.pausada .galeria__progreso { animation-play-state: paused; }
.galeria__controles { margin-top: 18px; display: flex; align-items: center; justify-content: center; gap: 14px; }
.galeria__flecha {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  background: var(--blanco); border: 1px solid var(--linea); color: var(--tinta); cursor: pointer;
  transition: border-color .25s, background-color .25s, color .25s, transform .3s var(--rebote);
}
.galeria__flecha:hover { border-color: var(--larva); color: var(--larva); transform: scale(1.08); }
.galeria__puntos { display: flex; gap: 4px; }
.galeria__puntos button { width: 30px; height: 30px; padding: 0; border: 0; background: none; cursor: pointer; display: grid; place-items: center; }
.galeria__puntos button::before {
  content: ""; width: 9px; height: 9px; border-radius: 6px; background: var(--linea-fuerte);
  transition: width .35s var(--suave), background-color .3s;
}
.galeria__puntos button[aria-pressed="true"]::before { width: 26px; background: var(--larva); }

.somos__intro { font-size: 1.1875rem; color: var(--tinta-suave); }
.pildoras {
  position: relative; margin-top: 28px;
  display: inline-flex; gap: 2px; padding: 6px; border-radius: 999px;
  background: var(--agua); border: 1px solid var(--linea);
}
.pildoras__fondo {
  position: absolute; top: 6px; bottom: 6px; left: 0; width: 0; border-radius: 999px;
  background: linear-gradient(135deg, var(--larva), var(--larva-vivo));
  box-shadow: 0 8px 18px -8px rgba(243, 93, 46, .8);
  transition: transform .45s var(--suave), width .45s var(--suave);
}
.pildoras [role="tab"] {
  position: relative; z-index: 1;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border: 0; border-radius: 999px; background: none; cursor: pointer;
  font-family: var(--f-titulo); font-weight: 500; font-size: .95rem; color: var(--tinta-suave);
  transition: color .3s;
}
.pildoras [role="tab"]:hover { color: var(--tinta); }
.pildoras [role="tab"][aria-selected="true"] { color: var(--abismo); }
.pildoras__panel { margin-top: 22px; min-height: 150px; }
.pildoras__panel:not([hidden]) { animation: panel-entra .5s var(--suave); }
@keyframes panel-entra { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.pildoras__panel p { font-size: 1.1875rem; line-height: 1.6; }
.valores { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 22px; }
.valores li { padding-left: 14px; border-left: 3px solid var(--larva); }
.valores strong { display: block; font-family: var(--f-titulo); font-weight: 600; }
.valores span { display: block; font-size: .98rem; color: var(--tinta-suave); }

.datos {
  margin-top: clamp(56px, 7vw, 88px);
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px;
}
.datos li {
  display: flex; flex-direction: column; gap: 4px;
  padding: 24px 22px; border-radius: 18px;
  background: var(--agua); border: 1px solid transparent;
  transition: transform .45s var(--suave), background-color .3s, border-color .3s, box-shadow .45s;
}
.js .datos li.visto:hover, .datos li:hover {
  transform: translateY(-6px); background: var(--blanco); border-color: var(--linea);
  box-shadow: 0 26px 50px -32px rgba(11, 26, 46, .45);
}
.datos__icono {
  width: 52px; height: 52px; margin-bottom: 12px; border-radius: 16px;
  display: grid; place-items: center; background: var(--blanco); color: var(--larva);
  box-shadow: 0 8px 20px -14px rgba(11, 26, 46, .5);
  transition: transform .5s var(--rebote);
}
.datos li:hover .datos__icono { transform: rotate(-8deg) scale(1.08); }
.datos__icono .icono { width: 26px; height: 26px; }
.datos__icono .larva { width: 38px; height: auto; stroke-width: 7; --seta: 3; --relleno-larva: rgba(243, 93, 46, .18); }
.datos strong { font-family: var(--f-titulo); font-weight: 600; font-size: 1.125rem; }
.datos strong i { font-family: var(--f-texto); }
.datos span:not(.datos__icono) { font-size: .98rem; color: var(--tinta-suave); line-height: 1.45; }

/* ----------------------------- Proceso ----------------------------- */
.proceso {
  background: radial-gradient(80% 60% at 50% 40%, #12305a 0%, var(--abismo) 70%);
  color: var(--blanco); overflow: hidden; isolation: isolate;
  padding-block: calc(var(--seccion) + 50px);
  --foco: var(--celeste);
}
.borde-ola { position: absolute; left: 0; width: 100%; height: clamp(40px, 6vw, 90px); z-index: 1; }
.borde-ola--arriba { top: -1px; fill: var(--blanco); }
.borde-ola--abajo { bottom: -1px; fill: var(--agua); }
/* La carta náutica de 1816 (Guajira y Paraguaná), muy tenue al fondo */
.proceso__carta {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: url("../img/carta-noche.png") center / cover no-repeat;
  opacity: .16;
}
.proceso .cabecera-centrada h2 { color: var(--blanco); }
.proceso .entrada { color: rgba(255, 255, 255, .75); }

.proceso__mapa { position: relative; margin-top: clamp(48px, 6vw, 72px); }
.proceso__ruta { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; z-index: 0; }
.proceso__ruta path { fill: none; stroke-linecap: round; }
.proceso__ruta-base { stroke: rgba(140, 203, 242, .28); stroke-width: 2; stroke-dasharray: 2 9; }
.proceso__ruta-viva { stroke: var(--larva); stroke-width: 3; filter: drop-shadow(0 0 6px rgba(243, 93, 46, .6)); }
.proceso__nadador {
  position: absolute; left: 0; top: 0; z-index: 3; width: 70px; pointer-events: none;
  color: var(--larva); --relleno-larva: rgba(243, 93, 46, .28); --seta: 2.5;
  opacity: 0; transition: opacity .4s;
  will-change: transform;
}
.proceso__nadador.visible { opacity: 1; }
.proceso__nadador svg { width: 100%; height: auto; stroke-width: 5; }

.proceso__pasos {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(14px, 1.8vw, 24px);
}
.paso:nth-child(even) { margin-top: 150px; }
.paso__nudo {
  display: block; width: 20px; height: 20px; margin: 0 auto 20px; border-radius: 50%;
  background: var(--abismo); border: 3px solid rgba(140, 203, 242, .5);
  transition: background-color .4s, border-color .4s, box-shadow .4s, transform .5s var(--rebote);
}
.paso.encendido .paso__nudo { background: var(--larva); border-color: var(--larva); box-shadow: 0 0 0 8px rgba(243, 93, 46, .2); transform: scale(1.15); }
.paso__tarjeta {
  height: calc(100% - 40px); padding: 22px 20px 24px; border-radius: 18px;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12);
  opacity: .5; transform: translateY(8px);
  transition: opacity .6s, transform .6s var(--suave), border-color .4s, background-color .4s;
}
.paso.encendido .paso__tarjeta { opacity: 1; transform: none; background: rgba(255, 255, 255, .08); border-color: rgba(243, 93, 46, .45); }
.paso__tarjeta:hover { background: rgba(255, 255, 255, .12); }
.paso__icono {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(140, 203, 242, .14); color: var(--celeste);
  transition: background-color .4s, color .4s, transform .5s var(--rebote);
}
.paso__icono .icono { width: 24px; height: 24px; }
.paso.encendido .paso__icono { background: var(--larva); color: var(--abismo); }
.paso__tarjeta:hover .paso__icono { transform: rotate(-8deg) scale(1.08); }
.paso__num { display: block; margin-top: 16px; font-family: var(--f-titulo); font-weight: 500; font-size: .82rem; color: var(--celeste); }
.paso h3 { margin-top: 4px; font-size: 1.15rem; color: var(--blanco); }
.paso p { margin-top: 8px; font-size: .98rem; line-height: 1.5; color: rgba(255, 255, 255, .72); }

/* ----------------------------- Áreas del laboratorio ----------------------------- */
.areas { background: var(--blanco); }
.areas__cabeza {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 80px); align-items: end;
}
.areas__cuerpo {
  margin-top: clamp(40px, 5vw, 64px);
  display: grid; grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr);
  gap: clamp(20px, 2.6vw, 32px); align-items: stretch;
}
.areas__lista { display: flex; flex-direction: column; gap: 10px; }
.area-boton {
  position: relative; overflow: hidden;
  display: flex; align-items: center; gap: 16px; width: 100%;
  padding: 16px 18px; border-radius: 18px; text-align: left; cursor: pointer;
  background: var(--blanco); border: 1px solid var(--linea); color: var(--tinta);
  transition: background-color .35s, border-color .35s, color .35s, transform .45s var(--suave), box-shadow .45s;
}
.area-boton:hover { border-color: var(--larva); transform: translateX(4px); }
.area-boton[aria-selected="true"] {
  background: var(--abismo); border-color: var(--abismo); color: var(--blanco);
  transform: translateX(8px); box-shadow: 0 20px 40px -26px rgba(11, 26, 46, .8);
}
.area-boton__icono {
  width: 46px; height: 46px; flex-shrink: 0; border-radius: 14px; display: grid; place-items: center;
  background: var(--agua); color: var(--marea);
  transition: background-color .35s, color .35s, transform .5s var(--rebote);
}
.area-boton__icono .icono { width: 24px; height: 24px; }
.area-boton:hover .area-boton__icono { transform: rotate(-8deg); }
.area-boton[aria-selected="true"] .area-boton__icono { background: var(--larva); color: var(--abismo); }
.area-boton__texto strong { display: block; font-family: var(--f-titulo); font-weight: 600; font-size: 1.05rem; }
.area-boton__texto span { display: block; font-size: .92rem; color: var(--tinta-suave); transition: color .35s; }
.area-boton[aria-selected="true"] .area-boton__texto span { color: rgba(255, 255, 255, .7); }

.areas__visor {
  position: relative; overflow: hidden; min-height: 480px;
  border-radius: 24px; background: var(--abismo);
  box-shadow: 0 50px 90px -50px rgba(11, 26, 46, .6);
}
.areas__visor::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(0deg, rgba(11, 26, 46, .75) 0%, rgba(11, 26, 46, 0) 55%);
}
.areas__foto { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity .8s ease; }
.areas__foto.activa { opacity: 1; }
.areas__foto img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 1.4s var(--suave); }
.areas__foto.activa img { transform: scale(1); }
.areas__texto {
  position: absolute; left: 20px; right: 20px; bottom: 20px; z-index: 2; max-width: 540px;
  padding: 22px 24px; border-radius: 18px; color: var(--blanco);
  background: rgba(11, 26, 46, .55); border: 1px solid rgba(255, 255, 255, .16);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  transition: opacity .35s, transform .45s var(--suave);
}
.areas__texto.cambiando { opacity: 0; transform: translateY(12px); }
.areas__texto h3 { font-size: 1.5rem; }
.areas__texto p { margin-top: 8px; color: rgba(255, 255, 255, .85); }

.ficha {
  margin-top: clamp(64px, 8vw, 104px);
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: clamp(24px, 5vw, 80px);
}
.ficha__titulo { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); }
.ficha__lista { border-top: 2px solid var(--tinta); }
.ficha__lista div {
  display: grid; grid-template-columns: minmax(9rem, 1fr) 2fr; gap: 16px;
  padding: 14px 12px; margin-inline: -12px; border-bottom: 1px solid var(--linea); border-radius: 6px;
  transition: background-color .3s, padding-left .35s var(--suave);
}
.ficha__lista div:hover { background: var(--agua); padding-left: 20px; }

/* ----------------------------- Desde Falcón ----------------------------- */
.falcon {
  position: relative; overflow: hidden; isolation: isolate;
  min-height: min(92vh, 780px); padding-block: 120px 96px;
  display: grid; align-items: center;
  background: var(--abismo); color: var(--blanco);
  --foco: var(--celeste);
}
.falcon__foto { position: absolute; inset: -12% 0; z-index: -2; }
.falcon__foto img { width: 100%; height: 100%; object-fit: cover; }
.falcon::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(11, 26, 46, .88) 0%, rgba(11, 26, 46, .45) 55%, rgba(11, 26, 46, .1) 100%);
}
.falcon__tarjeta {
  max-width: 540px; padding: clamp(26px, 3.4vw, 40px); border-radius: 26px;
  background: rgba(11, 26, 46, .42); border: 1px solid rgba(255, 255, 255, .18);
  -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .7);
}
.falcon__lugar {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px;
  font-family: var(--f-titulo); font-weight: 500; font-size: .88rem; color: var(--celeste);
  background: rgba(140, 203, 242, .12); border: 1px solid rgba(140, 203, 242, .3);
}
.falcon__lugar .icono { width: 16px; height: 16px; }
.falcon h2 { margin-top: 18px; color: var(--blanco); }
.falcon p { margin-top: 16px; color: rgba(255, 255, 255, .85); }
.falcon__datos {
  margin-top: 26px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .16);
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px;
}
.falcon__datos dt { font-family: var(--f-titulo); font-size: .82rem; color: var(--celeste); }
.falcon__datos dd { margin-top: 2px; font-family: var(--f-titulo); font-weight: 500; font-size: 1.05rem; }
.falcon__datos dd i { font-family: var(--f-texto); font-weight: 400; }
.falcon__pie {
  position: absolute; left: var(--margen); bottom: 18px; max-width: 34rem;
  font-size: .82rem; font-style: italic; color: rgba(255, 255, 255, .62);
}

/* ----------------------------- Grupo Nivar ----------------------------- */
.grupo { background: var(--agua); overflow: hidden; }
.cadena {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid; grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1fr) 64px minmax(0, 1fr);
  align-items: stretch; gap: 10px;
}
.empresa {
  display: flex; flex-direction: column; overflow: hidden;
  border-radius: 24px; background: var(--blanco);
  box-shadow: 0 30px 60px -42px rgba(11, 26, 46, .5);
  transition: transform .5s var(--suave), box-shadow .5s, opacity .9s ease var(--retraso, 0s);
}
.js .empresa.visto { transition: opacity .9s ease var(--retraso, 0s), transform .5s var(--suave), box-shadow .5s; }
.js .empresa.visto:hover, .empresa:hover { transform: translateY(-10px); box-shadow: 0 44px 70px -40px rgba(11, 26, 46, .55); }
.empresa--aqui { box-shadow: 0 0 0 2px rgba(243, 93, 46, .55), 0 30px 60px -42px rgba(11, 26, 46, .5); }
.empresa__foto { position: relative; margin: 0; aspect-ratio: 4 / 3; overflow: hidden; }
.empresa__foto > img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--suave); }
.empresa:hover .empresa__foto > img { transform: scale(1.07); }
.empresa__logo {
  position: absolute; left: 16px; bottom: 16px;
  display: grid; place-items: center; height: 54px; padding: 0 16px; border-radius: 14px;
  background: rgba(255, 255, 255, .94); box-shadow: 0 12px 26px -14px rgba(11, 26, 46, .6);
  transition: transform .5s var(--rebote);
}
.empresa:hover .empresa__logo { transform: translateY(-4px); }
.empresa__logo img { height: 28px; width: auto; }
.empresa__logo--alto img { height: 40px; }
.empresa__texto { flex: 1; display: flex; flex-direction: column; gap: 8px; padding: 24px 24px 28px; }
.empresa__rol { font-family: var(--f-titulo); font-weight: 500; font-size: .86rem; color: #B83E16; }
.empresa__texto p { color: var(--tinta-suave); }
.empresa__enlace {
  margin-top: auto; padding-top: 8px; align-self: flex-start;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--f-titulo); font-weight: 500; font-size: .95rem; color: var(--marea); text-decoration: none;
}
.empresa__enlace .icono { width: 16px; height: 16px; transition: transform .3s var(--suave); }
.empresa__enlace:hover { text-decoration: underline; text-underline-offset: 4px; }
.empresa__enlace:hover .icono { transform: translate(2px, -2px); }
.empresa__aqui {
  margin-top: auto; align-self: flex-start;
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px; border-radius: 8px;
  font-family: var(--f-titulo); font-weight: 500; font-size: .875rem;
  background: rgba(243, 93, 46, .12); color: #A63812;
}
.empresa__aqui-punto { position: relative; width: 7px; height: 7px; border-radius: 50%; background: var(--larva); }
.empresa__aqui-punto::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--larva);
  animation: latir 2s ease-out infinite;
}
/* Las flechas entre empresas: un trazo que fluye de una a la siguiente */
.cadena__flecha { align-self: center; display: grid; place-items: center; }
.cadena__flecha svg { width: 64px; height: auto; overflow: visible; }
.cadena__trazo { fill: none; stroke: var(--larva); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 2 10; animation: flujo-flecha 1s linear infinite; }
.cadena__punta { fill: none; stroke: var(--larva); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
@keyframes flujo-flecha { to { stroke-dashoffset: -12; } }

/* ----------------------------- Pie ----------------------------- */
.pie {
  background: var(--abismo); color: rgba(255, 255, 255, .78);
  padding-block: 72px 28px; font-size: 1rem;
  --foco: var(--celeste);
}
.pie__in {
  display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: 40px; align-items: start;
}
.pie__logo { width: 230px; height: auto; }
.pie__marca p { margin-top: 16px; max-width: 22rem; }
.pie__redes { margin-top: 22px; display: flex; gap: 10px; }
.pie__redes a {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  color: var(--blanco); border: 1px solid rgba(255, 255, 255, .22);
  transition: background-color .3s, color .3s, border-color .3s, transform .4s var(--rebote);
}
.pie__redes a:hover { background: var(--larva); border-color: var(--larva); color: var(--abismo); transform: translateY(-4px); }
.pie__titulo { font-family: var(--f-titulo); font-weight: 500; font-size: 1rem; letter-spacing: 0; color: var(--blanco); margin-bottom: 14px; }
.pie__columna li + li { margin-top: 9px; }
.pie__columna a {
  color: inherit; text-decoration: none;
  background: linear-gradient(var(--larva), var(--larva)) 0 100% / 0 1.5px no-repeat;
  transition: background-size .35s var(--suave), color .25s;
}
.pie__columna a:hover { color: var(--blanco); background-size: 100% 1.5px; }
.pie__empresas li + li { margin-top: 12px; }
.pie__empresas a {
  display: inline-flex; align-items: center; height: 58px; padding: 0 16px; border-radius: 14px;
  background: var(--blanco); transition: transform .4s var(--rebote);
}
.pie__empresas a:hover { transform: translateY(-4px); }
.pie__empresas img { height: 34px; width: auto; }
.pie__legal {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px;
  font-size: .875rem; color: rgba(255, 255, 255, .6);
}
.creditos summary { cursor: pointer; font-family: var(--f-titulo); }
.creditos ul { margin-top: 12px; max-width: 50rem; }
.creditos li + li { margin-top: 6px; }
.creditos a { color: var(--celeste); }

/* ----------------------------- Contacto ----------------------------- */
.contacto { background: var(--abismo); color: var(--blanco); overflow: hidden; isolation: isolate; --foco: var(--celeste); }
.contacto__fondo { position: absolute; inset: -12% 0; z-index: -2; }
.contacto__fondo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.3); }
.contacto::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 70% at 80% 40%, rgba(31, 111, 174, .3), transparent 70%),
    linear-gradient(100deg, rgba(11, 26, 46, .96) 0%, rgba(11, 26, 46, .82) 50%, rgba(11, 26, 46, .7) 100%);
}
.contacto__in {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(40px, 6vw, 96px); align-items: start;
}
.contacto__datos > p { margin-top: 20px; color: rgba(255, 255, 255, .8); max-width: 26rem; }
.contacto__lista { margin-top: 36px; border-top: 1px solid rgba(255, 255, 255, .35); }
.contacto__lista div {
  display: grid; grid-template-columns: 6.5rem 1fr; gap: 16px;
  padding-block: 14px; border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.contacto__lista dt { color: rgba(255, 255, 255, .6); }
.contacto__lista .enlace { color: var(--celeste); font-family: var(--f-texto); font-size: 1.0625rem; font-weight: 400; }

.formulario {
  position: relative;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px; align-content: start;
  padding: clamp(24px, 3vw, 40px);
  border-radius: 20px;
}
.campo { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 8px; }
.campo--mitad { grid-column: span 1; }
.campo label { font-family: var(--f-titulo); font-weight: 500; font-size: .9375rem; transition: color .25s; }
.campo:focus-within label { color: var(--celeste); }
.opcional { font-weight: 400; color: rgba(255, 255, 255, .55); }
.campo input, .campo textarea {
  width: 100%; padding: 13px 15px;
  background: rgba(255, 255, 255, .07); color: var(--blanco);
  border: 1px solid rgba(255, 255, 255, .22); border-radius: 10px;
  font-size: 1.0625rem; line-height: 1.4;
  transition: border-color .25s, box-shadow .3s, background-color .25s;
}
.campo textarea { resize: vertical; min-height: 140px; }
.campo input::placeholder { color: rgba(255, 255, 255, .38); }
.campo input:hover, .campo textarea:hover { border-color: rgba(255, 255, 255, .45); }
.campo input:focus-visible, .campo textarea:focus-visible {
  outline: none; border-color: var(--celeste); background: rgba(255, 255, 255, .11);
  box-shadow: 0 0 0 4px rgba(140, 203, 242, .18);
}
.campo [aria-invalid="true"] { border-color: #FF8A7A; animation: temblar .4s; }
@keyframes temblar { 25% { transform: translateX(-5px); } 50% { transform: translateX(5px); } 75% { transform: translateX(-3px); } }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.formulario__pie { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.formulario__estado { font-size: 1rem; }
.formulario__estado.es-error { color: #FFB4A8; }
.formulario__estado.es-ok { color: #9BE3B2; }
.formulario__listo {
  position: absolute; right: 24px; top: 24px; width: 52px; height: 52px; opacity: 0;
  transition: opacity .3s;
}
.formulario__listo svg { width: 100%; height: 100%; fill: none; stroke: #9BE3B2; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.formulario__listo circle { stroke-dasharray: 151; stroke-dashoffset: 151; }
.formulario__listo path { stroke-dasharray: 36; stroke-dashoffset: 36; }
.formulario.enviado .formulario__listo { opacity: 1; }
.formulario.enviado .formulario__listo circle { animation: trazo .6s ease forwards; }
.formulario.enviado .formulario__listo path { animation: trazo .4s ease .5s forwards; }

/* ----------------------------- Volver arriba ----------------------------- */
.arriba {
  position: fixed; right: clamp(14px, 2.5vw, 28px); bottom: clamp(14px, 2.5vw, 28px); z-index: 40;
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(11, 26, 46, .55);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: 0 14px 30px -12px rgba(11, 26, 46, .6);
  opacity: 0; transform: translateY(20px) scale(.8); pointer-events: none;
  transition: opacity .35s, transform .45s var(--rebote), background-color .3s;
  --foco: var(--marea);
}
.arriba.visible { opacity: 1; transform: none; pointer-events: auto; }
.arriba:hover { background: var(--larva); }
.arriba svg { width: 100%; height: 100%; fill: none; transform: rotate(-90deg); }
.arriba__fondo { stroke: rgba(255, 255, 255, .15); stroke-width: 2.5; }
.arriba__anillo { stroke: var(--larva); stroke-width: 2.5; stroke-dasharray: 1; stroke-dashoffset: var(--resto, 1); stroke-linecap: round; }
.arriba:hover .arriba__anillo { stroke: var(--blanco); }
.arriba__flecha { stroke: var(--blanco); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; transform: rotate(90deg); transform-origin: 24px 24px; transition: transform .3s var(--suave); }
.arriba:hover .arriba__flecha { transform: rotate(90deg) translateX(-3px); }

/* ----------------------------- Pantallas medianas y móviles ----------------------------- */
@media (max-width: 960px) {
  .nav__boton { display: inline-flex; }
  .nav__indicador { display: none; }
  .nav__menu {
    position: absolute; top: var(--nav-alto); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px var(--margen) 24px;
    background: rgba(11, 26, 46, .92);
    -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
    color: var(--blanco);
    border-top: 1px solid rgba(255, 255, 255, .1);
    display: none;
  }
  .nav__menu a:not(.boton) {
    padding-block: 16px; font-size: 1.125rem; opacity: 1;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }
  .nav__cta { margin-top: 20px; min-height: 48px; }
  .nav.nav--abierta { background: rgba(11, 26, 46, .92); color: var(--blanco); border-bottom-color: transparent; --foco: var(--celeste); }
  .nav.nav--abierta .nav__menu { display: flex; animation: bajar-menu .4s var(--suave); }
  .nav.nav--abierta .nav__menu a { animation: bajar-menu .5s var(--suave) both; }
  .nav.nav--abierta .nav__menu a:nth-child(3) { animation-delay: .04s; }
  .nav.nav--abierta .nav__menu a:nth-child(4) { animation-delay: .08s; }
  .nav.nav--abierta .nav__menu a:nth-child(5) { animation-delay: .12s; }
  .nav.nav--abierta .nav__menu a:nth-child(6) { animation-delay: .16s; }
  .nav.nav--abierta .nav__menu a:nth-child(7) { animation-delay: .2s; }
  .nav.nav--abierta .nav__logo--claro { display: block; }
  .nav.nav--abierta .nav__logo--color { display: none; }
  .nav.nav--abierta .nav__barras { background: transparent; }
  .nav.nav--abierta .nav__barras::before { transform: translateY(7px) rotate(45deg); }
  .nav.nav--abierta .nav__barras::after { transform: translateY(-7px) rotate(-45deg); }

  .portada { min-height: auto; padding-block: calc(var(--nav-alto) + 40px) 130px; }
  .portada__in { grid-template-columns: 1fr; }
  .portada__bajar { display: none; }
  .micro { width: min(100%, 400px); }
  .chip--especie { left: -4%; top: 0; }
  .chip--grupo { right: -4%; bottom: 2%; }

  .ciclo__cabeza, .areas__cabeza { grid-template-columns: 1fr; gap: 20px; }
  .lamina { grid-template-columns: 1fr; }

  .somos__cuerpo { grid-template-columns: 1fr; }
  .datos { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  /* El proceso pasa a vertical: el JS traza la ruta por los nudos donde estén */
  .proceso__pasos { grid-template-columns: 1fr; gap: 18px; padding-left: 44px; }
  .paso { position: relative; }
  .paso:nth-child(even) { margin-top: 0; }
  .paso__nudo { position: absolute; left: -44px; top: 28px; margin: 0; }
  .paso__tarjeta { height: auto; }
  .proceso__nadador { width: 54px; }

  .areas__cuerpo { grid-template-columns: 1fr; }
  .areas__lista { flex-direction: row; overflow-x: auto; padding-bottom: 6px; scroll-snap-type: x mandatory; }
  .area-boton { flex: 0 0 auto; width: auto; scroll-snap-align: start; }
  .area-boton:hover, .area-boton[aria-selected="true"] { transform: none; }
  .areas__visor { min-height: 420px; }

  .ficha { grid-template-columns: 1fr; gap: 20px; }

  .cadena { grid-template-columns: 1fr; gap: 6px; max-width: 520px; margin-inline: auto; }
  .cadena__flecha svg { transform: rotate(90deg); width: 48px; }

  .contacto__in { grid-template-columns: 1fr; }
  .pie__in { grid-template-columns: 1fr 1fr; }
  .pie__marca { grid-column: 1 / -1; }
}
@keyframes bajar-menu { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: none; } }

@media (max-width: 640px) {
  body { font-size: 1.0625rem; }
  .nav__logo { height: 34px; }
  .portada__acciones .boton { flex: 1 1 auto; }
  .chip { font-size: .8rem; padding: 7px 11px; }
  .chip--grupo { display: none; }

  .franja__grupo a { padding: 16px 22px; font-size: .92rem; }

  .ciclo__pestanas { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pestana { padding-block: 12px 14px; }

  .pildoras { display: flex; }
  .pildoras [role="tab"] { flex: 1; justify-content: center; padding: 10px 8px; }
  .valores { grid-template-columns: 1fr; }
  .datos { grid-template-columns: 1fr; }

  .areas__visor { min-height: 460px; }
  .areas__texto { left: 12px; right: 12px; bottom: 12px; padding: 18px; }

  .lamina__datos div, .contacto__lista div { grid-template-columns: 1fr; gap: 2px; }
  .ficha__lista div { grid-template-columns: 1fr; gap: 2px; }

  .falcon { padding-block: 96px 80px; }
  .falcon__datos { grid-template-columns: 1fr 1fr; }
  .falcon__pie { right: 80px; }

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

/* ----------------------------- Movimiento reducido ----------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; }
  .js .palabra > span, .js .intro, .js [data-revelar] { transform: none !important; opacity: 1 !important; }
  .js [data-destapar] img { clip-path: none !important; scale: 1 !important; }
  .js .micro .micro__nadador { filter: none; }
  .franja { overflow-x: auto; }
  .paso__tarjeta { opacity: 1; transform: none; }
}