/* La Muralla Labs · prototipo v2 — manual de marca v1.0 + referencias de José Pedro (2-oct) */
:root {
  --carbon: #111214;
  --grafito: #353535;
  --blanco: #F4F4F4;
  --naranja: #DA7F2C;
  --verde: #80A8A8;
  --gris: #B9BDC5;
  --ease-out: cubic-bezier(.19, 1, .22, 1);
  --dur: 320ms;
  --margen: clamp(20px, 5vw, 80px);
  --alto: 100vh;
}
@supports (height: 100svh) { :root { --alto: 100svh; } }
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--carbon); color: var(--blanco); font-family: 'Archivo', Arial, sans-serif; font-size: 19px; line-height: 1.5; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
::selection { background: rgba(218, 127, 44, .45); }
h2 { font-size: clamp(32px, 4.2vw, 60px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.05; max-width: 15ch; }

/* Color por área (manual: Local naranja, Labs verde azulado, Studio equilibrado → gris) */
i[class^="c-"] { display: inline-block; width: .62em; height: .62em; margin-right: .55em; vertical-align: .02em; }
.c-local { background: var(--naranja); }
.c-studio { background: var(--gris); }
.c-labs { background: var(--verde); }

/* Grano 2 % (manual: opcional, 1-3 %) */
.grano { position: fixed; inset: 0; z-index: 80; pointer-events: none; opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 30px; border-radius: 999px; font-weight: 600; font-size: 16px; border: 0; cursor: pointer; font-family: inherit; transition: transform var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out); }
.btn:active { transform: scale(.97); }
.btn-naranja { background: var(--naranja); color: var(--carbon); }
.btn-naranja:hover { background: #e48c3c; }
.btn-borde { background: transparent; color: var(--blanco); box-shadow: inset 0 0 0 1px rgba(244,244,244,.35); }
.btn-borde:hover { box-shadow: inset 0 0 0 1px var(--blanco); }
.botones { display: flex; flex-wrap: wrap; gap: 12px; }

.aviso-prototipo { position: absolute; z-index: 60; left: var(--margen); bottom: 18px; color: var(--gris); font-size: 12px; opacity: .7; }

/* Cabecera: logo + hamburguesa */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 70; display: flex; justify-content: space-between; align-items: center; padding: 26px var(--margen); transition: background-color 300ms ease-out, transform 150ms ease-out; }
.nav.solida { background: rgba(17,18,20,.85); backdrop-filter: blur(10px); padding-top: 16px; padding-bottom: 16px; }
.nav.oculta { transform: translateY(-100%); }
.nav-logo img { height: 34px; width: auto; transition: height 300ms var(--ease-out); }
.nav.solida .nav-logo img { height: 24px; }
.nav-acciones { display: flex; align-items: center; gap: 14px; }
.btn-nav { min-height: 42px; padding: 0 22px; font-size: 15px; white-space: nowrap; }
.btn-nav .txt-corto { display: none; }
.hamburguesa { width: 48px; height: 48px; display: grid; place-content: center; gap: 6px; background: none; border: 0; cursor: pointer; }
.hamburguesa span { display: block; width: 28px; height: 2px; background: var(--blanco); transition: transform 250ms var(--ease-out), opacity 200ms; }
.hamburguesa[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburguesa[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburguesa[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.menu { position: fixed; inset: 0; z-index: 65; background: rgba(17,18,20,.97); display: grid; place-items: center; }
.menu[hidden] { display: none; }
.menu ul { display: grid; gap: 18px; text-align: left; }
.menu a { font-size: clamp(32px, 6vw, 56px); font-weight: 700; letter-spacing: -0.02em; }
.menu .menu-sec a { font-size: clamp(20px, 3vw, 28px); font-weight: 600; color: rgba(244,244,244,.75); }
.menu .menu-cta { font-size: 18px; font-weight: 600; color: var(--naranja); margin-top: 18px; display: inline-block; }

/* Portada: la ola a pantalla completa */
.hero { position: relative; min-height: var(--alto); display: flex; align-items: center; padding: 130px var(--margen) 90px; overflow: hidden; }
.fondo-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.fundido-abajo { position: absolute; inset: auto 0 0 0; height: 40%; background: linear-gradient(to bottom, transparent, var(--carbon)); }
.hero .luz-naranja { right: -14vw; bottom: -18vw; }
.hero .luz-verde { right: 12vw; bottom: -10vw; }
.hero-contenido { position: relative; z-index: 2; }
.titular { font-size: clamp(40px, 7vw, 112px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.04; margin-bottom: 26px; }
.titular .linea { display: block; overflow: hidden; padding-bottom: .06em; }
.titular .linea > span { display: inline-block; }
@media (min-width: 600px) { .titular .linea { white-space: nowrap; } }
.sub { font-size: clamp(18px, 1.5vw, 22px); color: rgba(244,244,244,.82); max-width: 44ch; margin-bottom: 36px; }
.garantia { margin-top: 18px; font-size: 15px; color: rgba(244,244,244,.7); }
.leyenda { display: flex; gap: 26px; margin-top: 36px; }
.leyenda a { font-size: 15px; font-weight: 600; color: rgba(244,244,244,.75); transition: color var(--dur) var(--ease-out); }
.leyenda a:hover { color: var(--blanco); }

/* Labs: cadena con la cámara */
.cadena { position: relative; height: 340vh; }
/* capped and vertically centred so tall screens don't leave half a screen empty when the pin releases */
.cadena-fija { position: sticky; top: calc((var(--alto) - min(var(--alto), 820px)) / 2); height: min(var(--alto), 820px); display: grid; grid-template-columns: minmax(280px, .85fr) 1.5fr; align-items: center; gap: 4vw; padding: 0 var(--margen); overflow: hidden; }
.etiqueta { font-size: 14px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--verde); margin-bottom: 18px; }
.cadena-texto h2 { font-size: clamp(30px, 3.1vw, 46px); max-width: 17ch; margin-bottom: 36px; }
.eslabones { display: grid; gap: 4px; max-width: 34ch; counter-reset: res; }
.eslabones li { counter-increment: res; display: grid; grid-template-columns: 2.2em 1fr; align-items: baseline; padding: 10px 0; border-top: 1px solid rgba(244,244,244,.1); font-size: 18px; font-weight: 600; line-height: 1.3; color: rgba(244,244,244,.4); transition: color 300ms var(--ease-out), border-color 300ms var(--ease-out); }
.eslabones li::before { content: counter(res, decimal-leading-zero); font-size: 13px; color: rgba(244,244,244,.4); transition: color 300ms var(--ease-out); }
.eslabones li.on { color: var(--blanco); border-color: rgba(128,168,168,.6); }
.eslabones li.on::before { color: var(--verde); }
/* the camera sits in the right two thirds of the 16:9 clip: crop the empty left side so it grows and moves toward the text */
.cadena-media { aspect-ratio: 1.2; max-height: 100%; }
.cadena-media canvas { display: block; width: 100%; height: 100%;
  /* fade all four edges: the clip's backdrop is a touch lighter than the page and showed as a box */
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 14%, #000 84%, transparent), linear-gradient(to right, transparent, #000 10%, #000 94%, transparent);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to bottom, transparent, #000 14%, #000 84%, transparent), linear-gradient(to right, transparent, #000 10%, #000 94%, transparent);
  mask-composite: intersect; }

/* Áreas */
.areas { padding: 8vh var(--margen) 14vh; }
.cabecera-seccion { margin-bottom: 40px; }
.cabecera-seccion h2 { max-width: 22ch; }
.tarjetas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.tarjeta { position: relative; display: flex; flex-direction: column; border-radius: 4px; overflow: hidden; background: #17181b; border: 1px solid rgba(244,244,244,.06); scroll-margin-top: 90px; }
.tarjeta-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #141518; }
.tarjeta-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .75; }
.tarjeta-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, #17181b 2%, transparent 60%); }
.tarjeta-luz { position: absolute; inset: 0; background: radial-gradient(circle at 78% 90%, rgba(218,127,44,.6), transparent 58%), radial-gradient(circle at 45% 100%, rgba(128,168,168,.22), transparent 50%); }
.tarjeta-txt { position: relative; z-index: 2; padding: 6px 28px 30px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.tarjeta .area { font-size: 30px; font-weight: 700; }
.tarjeta-txt > p { color: rgba(244,244,244,.78); font-size: 17px; }
.tarjeta-txt > .para-quien { color: var(--blanco); font-weight: 600; font-size: 18px; }
.incluye { display: grid; gap: 8px; margin: 6px 0 10px; }
.incluye li { position: relative; padding-left: 20px; font-size: 16px; color: rgba(244,244,244,.78); line-height: 1.45; }
.incluye li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 2px; background: var(--gris); }
#labs .incluye li::before { background: var(--verde); }
#local .incluye li::before { background: var(--naranja); }
.tarjeta .enlace { margin-top: auto; }

/* Cómo funciona: tres pasos */
.pasos { padding: 0 var(--margen) 14vh; scroll-margin-top: 80px; }
.pasos-lista { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: none; }
.pasos-lista li { padding: 28px 28px 30px; border-radius: 4px; background: #17181b; border: 1px solid rgba(244,244,244,.06); display: grid; gap: 10px; align-content: start; }
.paso-num { font-size: 15px; font-weight: 700; color: var(--naranja); letter-spacing: .04em; }
.pasos-lista h3 { font-size: clamp(22px, 1.9vw, 28px); line-height: 1.15; letter-spacing: -0.015em; }
.pasos-lista p { color: rgba(244,244,244,.78); font-size: 17px; }

/* Preguntas frecuentes */
.preguntas { padding: 14vh var(--margen) 0; scroll-margin-top: 80px; }
.faq { max-width: 820px; border-top: 1px solid rgba(244,244,244,.12); }
.faq details { border-bottom: 1px solid rgba(244,244,244,.12); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; font-size: 19px; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; font-size: 26px; font-weight: 400; line-height: 1; color: var(--naranja); transition: transform var(--dur) var(--ease-out); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:focus-visible { outline: 2px solid var(--verde); outline-offset: 3px; }
.faq details p { padding: 0 0 24px; max-width: 64ch; color: rgba(244,244,244,.78); font-size: 17px; }

/* WhatsApp flotante (encima del botón de pausa) */
.wa-flotante { position: fixed; right: 16px; bottom: 68px; z-index: 90; width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; background: var(--verde); color: var(--carbon); box-shadow: 0 10px 30px rgba(0,0,0,.45); transition: transform var(--dur) var(--ease-out); }
.wa-flotante:hover { transform: scale(1.06); }
/* hidden on the cover (it has its own buttons); shows once the visitor scrolls on */
.js .wa-flotante:not(.visible):not(:focus-visible) { opacity: 0; pointer-events: none; transform: translateY(12px); }
.wa-flotante { transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out); }
.wa-flotante:focus-visible { outline: 2px solid var(--blanco); outline-offset: 3px; }
.form .trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form button:disabled { opacity: .6; cursor: default; }

/* Casos: escaparate en movimiento */
.casos { padding: 0 var(--margen) 14vh; }
.cabecera-sub { color: rgba(244,244,244,.75); margin-top: 14px; max-width: 46ch; }
.escaparate { display: grid; grid-template-columns: minmax(260px, .9fr) 2.4fr; grid-template-areas: "lista escena" "info escena"; gap: 20px 4vw; align-items: start; }
.proyectos { grid-area: lista; display: grid; gap: 10px; }
.proyecto { position: relative; display: grid; gap: 4px; text-align: left; padding: 16px 18px 20px; border-radius: 8px; background: rgba(244,244,244,.025); border: 1px solid rgba(244,244,244,.08); color: var(--blanco); font: inherit; cursor: pointer; overflow: hidden; transition: background-color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out); }
.proyecto:hover { border-color: rgba(244,244,244,.2); }
.proyecto[aria-selected="true"] { background: rgba(128,168,168,.08); border-color: rgba(128,168,168,.45); }
.proyecto-cab { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.proyecto-nombre { font-weight: 700; font-size: 18px; }
.proyecto-linea { font-size: 14px; color: var(--gris); }
.proyecto-corto { display: none; }
.estado { flex: none; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; }
.estado-cliente { background: rgba(128,168,168,.2); color: #a9c9c9; }
.estado-propuesta { background: rgba(244,244,244,.08); color: var(--gris); }
.barra { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(244,244,244,.06); }
.barra i { display: block; height: 100%; width: 0; background: var(--verde); }
.proyecto[aria-selected="true"] .barra i { animation: llena var(--ciclo, 18s) linear forwards; }
.escaparate.quieto .barra i, body.quieto .barra i { animation-play-state: paused; }
@keyframes llena { to { width: 100%; } }
.proyecto-infos { grid-area: info; }
.proyecto-info p { color: rgba(244,244,244,.82); font-size: 17px; line-height: 1.55; margin-bottom: 14px; }
.piezas { display: flex; flex-wrap: wrap; gap: 8px; }
.piezas button { font: inherit; font-size: 14px; font-weight: 600; color: rgba(244,244,244,.7); background: none; padding: 6px 13px; border-radius: 999px; border: 1px solid rgba(244,244,244,.16); cursor: pointer; transition: color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out); }
.piezas button:hover { color: var(--blanco); border-color: rgba(244,244,244,.4); }
.piezas button.on { color: var(--carbon); background: var(--verde); border-color: var(--verde); }

.escena { grid-area: escena; position: relative; padding: 0 70px 56px 0; }
.escena::before { content: ""; position: absolute; inset: 8% 4% 0 10%; background: radial-gradient(ellipse at 60% 60%, rgba(128,168,168,.22), transparent 62%), radial-gradient(ellipse at 90% 90%, rgba(218,127,44,.18), transparent 55%); filter: blur(30px); pointer-events: none; }
.marco { position: relative; border-radius: 10px; overflow: hidden; background: #0d0e10; border: 1px solid rgba(244,244,244,.12); box-shadow: 0 30px 80px rgba(0,0,0,.55); }
.marco .navegador { height: 34px; }
.url { margin-left: 10px; font-size: 12px; color: rgba(244,244,244,.55); transition: opacity 250ms; }
.pantallas { position: relative; aspect-ratio: 16 / 10; background: #0d0e10; }
.pantalla { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity 650ms var(--ease-out); }
.pantalla.activa { opacity: 1; }
.pantalla img, .pantalla video { width: 100%; height: 100%; object-fit: cover; object-position: 50% 0%; }
/* each screen scrolls down as if someone were browsing it */
.pantalla.activa img { animation: recorre var(--paso, 4.6s) cubic-bezier(.45,0,.35,1) .5s both; }
@keyframes recorre { to { object-position: 50% 100%; } }
.telefono { position: absolute; right: 0; bottom: 0; width: clamp(130px, 17%, 200px); aspect-ratio: 9 / 19; border-radius: 26px; padding: 7px; background: #1b1c20; border: 1px solid rgba(244,244,244,.16); box-shadow: 0 24px 60px rgba(0,0,0,.6); }
.telefono-pantalla { position: relative; width: 100%; height: 100%; border-radius: 20px; overflow: hidden; background: #0d0e10; }
.movil { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 0%; opacity: 0; transition: opacity 650ms var(--ease-out); }
.movil.activa { opacity: 1; animation: recorre var(--ciclo, 18s) cubic-bezier(.45,0,.35,1) both; }
.pieza-actual { position: absolute; z-index: 3; left: 18px; bottom: 74px; display: inline-flex; align-items: center; gap: 0; padding: 7px 12px; border-radius: 999px; background: rgba(17,18,20,.82); backdrop-filter: blur(8px); border: 1px solid rgba(244,244,244,.12); font-size: 13px; font-weight: 600; }
.pieza-actual span { transition: opacity 250ms; }
.cambiando .pieza-actual span, .cambiando .url { opacity: 0; }
body.quieto .pantalla.activa img, body.quieto .movil.activa, .escaparate.quieto .pantalla.activa img, .escaparate.quieto .movil.activa { animation-play-state: paused; }

/* Quiénes somos */
.equipo { padding: 0 var(--margen) 14vh; }
.socios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.socio { display: grid; gap: 8px; align-content: start; }
.socio-foto { width: 100%; max-width: 200px; aspect-ratio: 1; border-radius: 4px; background: linear-gradient(160deg, #1c1d21, #141518); border: 1px dashed rgba(230,200,90,.45); display: grid; place-items: center; margin-bottom: 10px; }
.socio-foto span { font-size: 44px; font-weight: 700; color: rgba(244,244,244,.18); letter-spacing: .02em; }
.socio h3 { font-size: clamp(22px, 1.9vw, 28px); line-height: 1.15; letter-spacing: -0.015em; max-width: 22ch; }
.socio-firma { margin-top: 6px; font-size: 14px; font-weight: 600; letter-spacing: .04em; color: var(--gris); }
.socio > p:not(.socio-firma) { color: rgba(244,244,244,.78); font-size: 17px; }
.nota-pendiente { display: inline-block; margin-top: 24px; font-size: 14px; }

/* Placeholders the team must fill (visible on purpose in the prototype) */
.pendiente { color: #e6c85a; background: rgba(230,200,90,.1); border-radius: 3px; padding: 0 .3em; }

/* El estudio: fachada de Talavera */
.estudio { display: grid; grid-template-columns: minmax(280px, .8fr) 1.6fr; align-items: center; gap: 5vw; padding: 4vh var(--margen) 0; }
.etiqueta-gris { color: var(--gris); }
.estudio-texto h2 { font-size: clamp(30px, 3.1vw, 46px); max-width: 14ch; margin-bottom: 22px; }
.estudio-texto p:not(.etiqueta) { color: rgba(244,244,244,.75); max-width: 32ch; margin-bottom: 28px; }
.enlace { font-weight: 600; color: var(--naranja); display: inline-flex; gap: .4em; }
.enlace span { transition: transform var(--dur) var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .enlace:hover span { transform: translateX(4px); } }
.estudio-texto .direccion { font-size: 16px; color: var(--gris); }
.estudio-foto { position: relative; margin: 0; }
.estudio-foto picture { display: block; position: relative; border-radius: 4px; overflow: hidden; }
.estudio-foto img { width: 100%; height: auto; }
/* blend the mock-up's rough edges into the page */
.estudio-foto picture::after { content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to right, rgba(17,18,20,.55), transparent 9%, transparent 80%, rgba(17,18,20,.5)), linear-gradient(to top, rgba(17,18,20,.6), transparent 22%); }
.estudio-foto figcaption { margin-top: 12px; font-size: 14px; color: var(--gris); }

/* Contacto */
.contacto { position: relative; overflow: hidden; padding: 18vh var(--margen) 20vh; }
.contacto > *:not(.luz) { position: relative; z-index: 2; }
.contacto h2 { margin-bottom: 20px; }
.contacto-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 6vw; align-items: start; }
.contacto-sub { color: rgba(244,244,244,.8); max-width: 34ch; margin-bottom: 32px; }
.canales { display: grid; gap: 10px; max-width: 420px; }
.canal { display: grid; gap: 2px; padding: 14px 18px; border-radius: 8px; border: 1px solid rgba(244,244,244,.12); background: rgba(244,244,244,.03); font-size: 16px; transition: border-color var(--dur) var(--ease-out); }
.canal:hover { border-color: rgba(244,244,244,.35); }
.canal .pendiente { justify-self: start; }
.canal-doble { gap: 6px; }
.canal-doble:hover { border-color: rgba(244,244,244,.12); }
.tel-fila { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.tel-fila a:hover { color: var(--naranja); }
.tel-fila .wa { font-size: 13px; font-weight: 600; color: var(--verde); padding: 3px 10px; border-radius: 999px; border: 1px solid rgba(128,168,168,.45); }
.canal-tit { font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--gris); }
.area-elige { border: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.area-elige legend { font-size: 14px; color: var(--gris); margin-bottom: 8px; }
.form .area-elige label { display: inline-flex; align-items: center; padding: 8px 14px; border-radius: 999px; border: 1px solid rgba(244,244,244,.14); font-size: 15px; color: var(--blanco); cursor: pointer; position: relative; }
.area-elige input { position: absolute; opacity: 0; pointer-events: none; }
.area-elige label:has(input:checked) { border-color: var(--naranja); background: rgba(218,127,44,.12); }
.area-elige label:has(input:focus-visible) { outline: 2px solid var(--verde); outline-offset: 2px; }
.form .casilla { display: flex; gap: 10px; align-items: center; font-size: 15px; color: rgba(244,244,244,.8); }
.casilla input { width: 18px; height: 18px; accent-color: var(--naranja); }
.subrayado { text-decoration: underline; text-underline-offset: 3px; }
.luz { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; }
.luz-naranja { width: 46vw; height: 46vw; right: -12vw; bottom: -26vw; background: radial-gradient(circle, rgba(218,127,44,.5), transparent 65%); animation: deriva 22s ease-in-out infinite alternate; }
.luz-verde { width: 40vw; height: 40vw; right: 14vw; bottom: -22vw; background: radial-gradient(circle, rgba(128,168,168,.3), transparent 65%); animation: deriva 26s ease-in-out infinite alternate-reverse; }
@keyframes deriva { to { transform: translate(-5vw, -4vw) scale(1.06); } }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 680px; }
.form label { display: grid; gap: 8px; font-size: 14px; color: var(--gris); }
.form .ancho { grid-column: 1 / -1; }
.form input, .form textarea { background: rgba(244,244,244,.04); border: 1px solid rgba(244,244,244,.14); border-radius: 8px; padding: 14px 16px; color: var(--blanco); font: inherit; font-size: 17px; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--verde); outline-offset: 1px; }
.form button { justify-self: start; }
.form-ok { grid-column: 1 / -1; color: var(--verde); }

.pie { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; padding: 48px var(--margen) 64px; border-top: 1px solid var(--grafito); color: var(--gris); font-size: 14px; }
.pie img { height: 22px; width: auto; margin-bottom: 14px; }
.pie-enlaces, .pie-legal { display: grid; gap: 8px; align-content: start; }
.pie a:hover { color: var(--blanco); }

/* Pausa (WCAG 2.2.2) */
.pausa { position: fixed; right: 16px; bottom: 16px; z-index: 90; display: inline-flex; align-items: center; gap: 8px; background: rgba(17,18,20,.85); color: var(--blanco); border: 1px solid var(--grafito); border-radius: 999px; padding: 8px 14px; font: inherit; font-size: 13px; cursor: pointer; }
.pausa:focus-visible, .hamburguesa:focus-visible, a:focus-visible { outline: 2px solid var(--verde); outline-offset: 3px; }
.pausa-icono { width: 10px; height: 12px; border-left: 3px solid currentColor; border-right: 3px solid currentColor; }
.pausa[aria-pressed="true"] .pausa-icono { border: 0; width: 0; height: 0; border-top: 6px solid transparent; border-bottom: 6px solid transparent; border-left: 10px solid currentColor; }
body.quieto .luz { animation-play-state: paused; }

/* Entradas (solo con JS y movimiento) */
.js-mov .entra, .js-mov .revela-scroll { opacity: 0; }
.js-mov .titular .linea > span { visibility: hidden; }

/* Móvil */
@media (max-width: 760px) {
  :root { --margen: 20px; }
  body { font-size: 17px; }
  .nav { padding: 16px var(--margen); }
  .nav-logo img, .nav.solida .nav-logo img { height: 24px; }
  .nav-acciones { gap: 6px; }
  .btn-nav { min-height: 38px; padding: 0 16px; font-size: 14px; }
  .btn-nav .txt-largo { display: none; }
  .btn-nav .txt-corto { display: inline; }
  .garantia { font-size: 14px; margin-top: 14px; }
  .pasos { padding-bottom: 64px; }
  .pasos-lista { grid-template-columns: 1fr; gap: 12px; }
  .pasos-lista li { padding: 22px 20px 24px; }
  .preguntas { padding-top: 64px; }
  .faq summary { font-size: 17px; padding: 18px 0; }
  .wa-flotante { right: 12px; bottom: 64px; width: 48px; height: 48px; }

  .hero { align-items: flex-end; padding: 110px var(--margen) 44px; }
  .titular { font-size: clamp(38px, 11vw, 52px); margin-bottom: 16px; }
  .sub { font-size: 17px; margin-bottom: 26px; }
  .hero .btn { width: 100%; min-height: 52px; }
  .leyenda { margin-top: 26px; gap: 22px; }
  .fundido-abajo { height: 35%; }
  .aviso-prototipo { right: auto; left: var(--margen); top: 64px; bottom: auto; font-size: 11px; }

  .cadena { height: 300vh; }
  .cadena-fija { top: 0; height: var(--alto); grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; align-items: stretch; gap: 18px; padding: 0 0 40px; }
  .cadena-media { order: -1; min-height: 0; overflow: hidden; aspect-ratio: auto; max-height: none; }
  .cadena-media canvas { width: 100%; height: 100%; -webkit-mask-image: linear-gradient(to bottom, #000 70%, transparent); mask-image: linear-gradient(to bottom, #000 70%, transparent); }
  .cadena-texto { padding: 0 var(--margen); }
  .cadena-texto h2 { font-size: 26px; margin-bottom: 16px; }

  .areas { padding: 64px var(--margen); }
  .tarjetas { grid-template-columns: 1fr; gap: 12px; }
  .tarjeta-media { aspect-ratio: 16 / 7; }
  .tarjeta-txt { padding: 4px 20px 24px; }
  .tarjeta .area { font-size: 26px; }
  .botones .btn { width: 100%; }
  .casos, .equipo { padding-bottom: 64px; }
  .escaparate { grid-template-columns: 1fr; grid-template-areas: "lista" "escena" "info"; gap: 18px; }
  /* phone: the three projects fit in one row with short names; no drawn phone inside a phone */
  .proyectos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .proyecto { padding: 10px 8px 12px; text-align: center; gap: 4px; }
  .proyecto-cab { flex-direction: column; gap: 5px; }
  .proyecto-nombre, .proyecto-linea { display: none; }
  .proyecto-corto { display: block; font-weight: 700; font-size: 15px; }
  .estado { font-size: 9.5px; padding: 2px 6px; }
  .escena { padding: 0; }
  .escena::before { inset: 10% 0 -6% 0; }
  .telefono { display: none; }
  .pantallas { aspect-ratio: 4 / 3.4; }
  .pieza-actual { bottom: 10px; left: 10px; font-size: 12px; padding: 5px 10px; }
  .marco .navegador { height: 28px; }
  .socios { grid-template-columns: 1fr; gap: 28px; }
  .socio-foto { max-width: 96px; margin-bottom: 4px; }
  .socio-foto span { font-size: 26px; }
  .socio h3 { font-size: 22px; }
  .contacto-grid { grid-template-columns: 1fr; gap: 32px; }
  .pie { grid-template-columns: 1fr 1fr; }
  .pie-marca { grid-column: 1 / -1; }
  .eslabones li { font-size: 16px; padding: 7px 0; }

  .estudio { grid-template-columns: 1fr; gap: 24px; padding: 8px var(--margen) 64px; }
  .estudio-foto { order: -1; margin: 0 calc(-1 * var(--margen)); }
  .estudio-foto picture { border-radius: 0; }
  .estudio-foto figcaption { padding: 0 var(--margen); }
  .estudio-texto h2 { font-size: 30px; margin-bottom: 14px; }
  .estudio-texto p:not(.etiqueta) { margin-bottom: 18px; }

  .contacto { padding: 72px var(--margen) 96px; }
  .contacto h2 { font-size: 34px; margin-bottom: 28px; }
  .form { grid-template-columns: 1fr; }
  .form button { width: 100%; min-height: 52px; }
  .pie { padding: 28px var(--margen) 80px; }
  .pausa { width: 44px; height: 44px; padding: 0; justify-content: center; right: 12px; bottom: 12px; }
  .pausa-txt { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .luz { filter: blur(60px); }
}

/* Movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .luz { animation: none !important; }
  .fondo-video { display: none; }
  .hero { background: url(assets/fondo-hero-poster.jpg) center / cover; }
  .eslabones li, .tarjeta, .btn, .hamburguesa span { transition: none; }
  .pantalla.activa img, .movil.activa, .proyecto .barra i { animation: none !important; }
}