/* Landing de Grupo EDALTO.
   Base: propuesta 3 (Bloques) — contraste Tender Black / Naranja, planos inclinados, servicios con foto fija,
   carrusel de casos y marquesina. Fondos oscuros con el degradé de la propuesta 4 (Inmersiva)
   y edificio dibujado e interactivo de la propuesta 5 (Plano) en el inicio. */
:root {
  --naranja: #F65419; --gris: #4D4D4D; --tender: #403D45; --matte: #7B7B7B; --light: #D3D3D3;
  --christmas: #EDEDED; --fantasy: #FCF3F2; --abstract: #D83A09; --primitive: #932A09; --outrageous: #F97046; --blanco: #fff;
  --fondo: #2E2B33;
  /* Degradé del manual: Tender Black → rojos (propuesta 4) */
  --degrade: linear-gradient(100deg, var(--fondo) 0%, var(--tender) 42%, #6A3324 72%, var(--abstract) 100%);
  --degrade-inv: linear-gradient(260deg, var(--fondo) 0%, var(--tender) 45%, #6A3324 80%, var(--abstract) 100%);
  --ancho: 1280px; --ease: cubic-bezier(.22, .8, .2, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body { font-family: "Montserrat", system-ui, sans-serif; color: var(--gris); background: var(--blanco); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3 { font-family: "Anybody", sans-serif; font-stretch: 130%; font-weight: 800; line-height: 1.02; color: var(--tender); letter-spacing: -.01em; }
.cont { width: min(var(--ancho), calc(100% - 48px)); margin-inline: auto; }
.degrade { background: var(--degrade); }
.degrade-inv { background: var(--degrade-inv); }
.tag { display: inline-flex; align-items: center; gap: .55rem; font-size: .74rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--naranja); }
.tag::before { content: ""; flex: none; width: 22px; height: 9px; background: currentColor; clip-path: polygon(0 100%, 100% 0, 100% 40%, 22% 100%); }

/* Botón con relleno que entra desde la izquierda */
.btn { position: relative; overflow: hidden; display: inline-flex; align-items: center; gap: .6rem; padding: 1rem 1.7rem; font-weight: 600; font-size: .92rem; border: 2px solid var(--naranja); background: var(--naranja); color: var(--blanco); isolation: isolate; }
.btn::before { content: ""; position: absolute; inset: 0; background: var(--tender); transform: translateX(-101%); transition: transform .45s var(--ease); z-index: -1; }
.btn:hover::before { transform: none; }
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; }
.btn-claro { background: transparent; border-color: rgba(255,255,255,.6); }
.btn-claro::before { background: var(--blanco); }
.btn-claro:hover { color: var(--tender); }

/* Navegación */
.nav { position: fixed; inset: 0 0 auto; z-index: 40; transition: background .35s, box-shadow .35s; }
.nav .cont { display: flex; align-items: center; justify-content: space-between; height: 80px; transition: height .35s; }
.nav img { height: 40px; }
.nav .l-osc { display: none; }
.nav nav { display: flex; gap: 2rem; align-items: center; font-size: .9rem; font-weight: 500; color: var(--blanco); }
.nav nav a:not(.btn) { position: relative; padding: .3rem 0; }
.nav nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--naranja); transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease); }
.nav nav a:not(.btn):hover::after, .nav nav a.activo::after { transform: scaleX(1); transform-origin: left; }
.nav .btn { padding: .7rem 1.3rem; }
.nav.solida { background: var(--blanco); box-shadow: 0 10px 30px -20px rgba(64,61,69,.5); }
.nav.solida .cont { height: 68px; }
.nav.solida nav { color: var(--tender); }
.nav.solida .l-cla { display: none; }
.nav.solida .l-osc { display: block; }

/* Inicio: igual que la propuesta 3 (foto de obra, plano naranja, título línea por línea y accesos a los servicios) */
.hero { position: relative; min-height: 100vh; background: var(--fondo); color: var(--blanco); overflow: hidden; display: flex; align-items: flex-end; }
.hero-foto { position: absolute; inset: 0; }
.hero-foto img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 2.4s var(--ease); }
.hero.listo .hero-foto img { transform: scale(1); }
.hero-foto::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(52,49,58,.94) 0%, rgba(52,49,58,.72) 45%, rgba(52,49,58,.2) 100%); }
.hero-plano { position: absolute; right: 0; bottom: 0; width: 46%; height: 62%; background: var(--naranja); clip-path: polygon(100% 0, 100% 100%, 0 100%); transform: translateY(100%); transition: transform 1.1s .5s var(--ease); mix-blend-mode: multiply; }
.hero.listo .hero-plano { transform: none; }
.hero-in { position: relative; z-index: 2; padding: 150px 0 8.5rem; }
.hero h1 { color: var(--blanco); font-size: clamp(2.4rem, 4.6vw, 4.4rem); margin: 1.4rem 0 1.6rem; }
.hero h1 em { font-style: normal; color: var(--naranja); }
.linea-mask { display: block; overflow: hidden; padding-bottom: .06em; }
.linea-mask > span { display: block; transform: translateY(105%); transition: transform .9s var(--ease); }
.linea-mask:nth-child(1) > span { transition-delay: .12s; }
.linea-mask:nth-child(2) > span { transition-delay: .23s; }
.linea-mask:nth-child(3) > span { transition-delay: .34s; }
.linea-mask:nth-child(4) > span { transition-delay: .45s; }
.hero.listo .linea-mask > span { transform: none; }
.hero p { max-width: 50ch; font-size: 1.06rem; color: var(--light); margin-bottom: 2.2rem; opacity: 0; transform: translateY(14px); transition: opacity .8s .7s, transform .8s .7s var(--ease); }
.hero .acc { display: flex; flex-wrap: wrap; gap: .8rem; opacity: 0; transition: opacity .8s .9s; }
.hero.listo p, .hero.listo .acc { opacity: 1; transform: none; }

/* Segunda sección: edificio interactivo (propuesta 5) sobre fondo claro */
.edificio { background: var(--christmas); overflow: hidden; }
.edif-in { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 4rem; align-items: center; }
.edif-txt h2 { font-size: clamp(2rem, 3vw, 3rem); margin: 1rem 0 1.4rem; }
.edif-txt p { max-width: 42ch; font-size: 1.02rem; }
.edif-dibujo { position: relative; }
.dibujo { width: 100%; height: auto; overflow: visible; }
.dibujo .t { fill: none; stroke: var(--tender); stroke-width: 1.4; }
.dibujo .fino { stroke-width: .8; stroke: var(--matte); }
.dibujo .nar { stroke: var(--naranja); }
.dibujo .relleno { fill: var(--blanco); stroke: none; }
.dibujo text { font-family: "Anybody", sans-serif; font-stretch: 85%; font-size: 14px; fill: var(--tender); letter-spacing: .06em; text-transform: uppercase; }
.dibujo .num { fill: var(--blanco); font-weight: 700; font-size: 12px; pointer-events: none; }
.dibujo .bola { fill: var(--naranja); transition: r .25s var(--ease); }
/* partes del edificio que se pueden tocar: invisibles hasta pasar el mouse */
.dibujo .zona { fill: var(--naranja); stroke: none; opacity: 0; transition: opacity .3s; }
.dibujo .llamada { cursor: pointer; outline: none; }
.dibujo .llamada .t { transition: stroke .25s; }
.dibujo .llamada .etiq { transition: fill .25s; }
.dibujo .llamada:is(:hover, :focus-visible, .activa) .zona { opacity: .85; }
.dibujo .llamada:is(:hover, :focus-visible, .activa) .zona.suave { opacity: .22; }
.dibujo .llamada:is(:hover, :focus-visible, .activa) .etiq { fill: var(--naranja); font-weight: 700; }
.dibujo .llamada:is(:hover, :focus-visible, .activa) .t { stroke: var(--naranja); }
.dibujo .llamada:is(:hover, :focus-visible, .activa) .bola-n { r: 14; }
/* trazo que se dibuja cuando la sección entra en pantalla */
.dibujo .t { stroke-dasharray: 1; stroke-dashoffset: 1; }
.dibujo.listo .t { stroke-dashoffset: 0; transition: stroke-dashoffset 1.6s .2s cubic-bezier(.6,.1,.2,1), stroke .25s; }
.dibujo .aparece { opacity: 0; transition: opacity .6s 1.3s; }
.dibujo.listo .aparece { opacity: 1; }
.leyenda { display: none; }

/* Secciones */
.sec { padding: 8rem 0; }
.sec-cab { display: flex; justify-content: space-between; align-items: end; gap: 3rem; margin-bottom: 4rem; }
.sec-cab h2 { font-size: clamp(2.2rem, 4vw, 3.6rem); margin-top: 1rem; max-width: 16ch; }
.sec-cab p { max-width: 38ch; font-size: 1.02rem; }

/* Panel del servicio elegido, debajo del edificio */
.serv-paneles { display: grid; margin-top: 4.5rem; scroll-margin-top: 90px; }
.serv-panel { grid-area: 1 / 1; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); background: var(--blanco); color: var(--gris); box-shadow: 0 30px 60px -34px rgba(64,61,69,.45);
  opacity: 0; visibility: hidden; transform: translateY(16px); transition: opacity .45s, transform .55s var(--ease), visibility 0s .45s; }
.serv-panel.activo { opacity: 1; visibility: visible; transform: none; transition: opacity .45s, transform .55s var(--ease), visibility 0s; }
.serv-foto { position: relative; min-height: 460px; overflow: hidden; clip-path: polygon(0 0, 100% 0, 100% 86%, 84% 100%, 0 100%); }
.serv-foto img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.06); transition: opacity .7s, transform 1.4s var(--ease); }
.serv-foto img.on { opacity: 1; transform: none; }
.serv-obra { position: absolute; left: 0; bottom: 0; z-index: 2; display: flex; align-items: center; gap: 1rem; max-width: 80%; background: var(--tender); color: var(--fantasy); font-size: .74rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: .55rem .9rem; }
.serv-avance { display: flex; gap: 4px; flex: none; }
.serv-avance i { width: 12px; height: 3px; background: rgba(255,255,255,.3); transition: background .3s, width .3s; }
.serv-avance i.on { width: 22px; background: var(--naranja); }
.serv-texto { padding: 3rem 3rem 3rem 2.8rem; display: flex; flex-direction: column; align-items: flex-start; }
.serv-num { font-family: "Anybody"; font-stretch: 130%; font-weight: 900; font-size: 3.2rem; line-height: .9; color: var(--naranja); }
.serv-texto h3 { font-size: 1.9rem; margin: .8rem 0 1rem; }
.serv-texto .prob { font-size: 1.08rem; color: var(--tender); font-weight: 500; margin-bottom: .8rem; }
.serv-texto ul { list-style: none; margin: 1.4rem 0 2rem; display: grid; grid-template-columns: 1fr 1fr; gap: .8rem 1.4rem; }
.serv-texto li { font-size: .86rem; padding-top: .7rem; border-top: 2px solid var(--naranja); }

/* Casos: carrusel horizontal sobre el degradé */
.casos { color: var(--light); overflow: hidden; }
.casos h2 { color: var(--blanco); }
.casos-ctrl { display: flex; align-items: center; gap: 1.2rem; }
.casos-ctrl button { width: 54px; height: 54px; border: 1.5px solid rgba(255,255,255,.35); background: none; color: var(--blanco); display: grid; place-items: center; transition: background .25s, border-color .25s; }
.casos-ctrl button:hover { background: var(--naranja); border-color: var(--naranja); }
.casos-ctrl svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; }
.casos-cont { font-family: "Anybody"; font-stretch: 130%; font-weight: 700; color: var(--blanco); min-width: 70px; }
.carril { display: flex; gap: 28px; padding-left: max(24px, calc((100vw - var(--ancho)) / 2)); padding-right: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-left: max(24px, calc((100vw - var(--ancho)) / 2)); scrollbar-width: none; cursor: grab; }
.carril::-webkit-scrollbar { display: none; }
.carril.arrastrando { cursor: grabbing; scroll-snap-type: none; }
.caso { flex: 0 0 min(520px, 80vw); scroll-snap-align: start; user-select: none; }
.caso-abrir { all: unset; display: block; width: 100%; cursor: pointer; }
.caso-img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: rgba(0,0,0,.2); clip-path: polygon(0 0, 100% 0, 100% 84%, 82% 100%, 0 100%); }
.caso-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); pointer-events: none; }
.caso:hover .caso-img img { transform: scale(1.05); }
.caso-img .tagc { position: absolute; left: 0; top: 1.4rem; background: var(--naranja); color: var(--blanco); font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; padding: .45rem .9rem; }
.caso-img .cant { position: absolute; left: 1rem; bottom: 1rem; display: flex; align-items: center; gap: .45rem; background: rgba(46,43,51,.8); color: var(--blanco); font-size: .76rem; font-weight: 600; padding: .4rem .75rem; }
.caso-img .cant svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; }
.caso-abrir:focus-visible .caso-img { outline: 3px solid var(--naranja); outline-offset: -3px; }
.caso h3 { color: var(--blanco); font-size: 1.4rem; margin: 1.5rem 0 1.1rem; }
.caso dl { display: grid; grid-template-columns: auto 1fr; gap: .55rem 1rem; font-size: .88rem; }
.caso dt { color: var(--naranja); font-weight: 600; }
.progreso { margin-top: 3.5rem; height: 2px; background: rgba(255,255,255,.15); }
.progreso span { display: block; height: 100%; width: 0; background: var(--naranja); transition: width .3s; }

/* Visor de fotos de un trabajo */
.visor { margin: auto; width: min(1100px, calc(100% - 32px)); max-height: calc(100vh - 32px); border: 0; padding: 0; background: var(--fondo); color: var(--light); overflow: hidden; }
.visor::backdrop { background: rgba(30,28,34,.86); }
.visor[open] { display: grid; grid-template-rows: auto 1fr auto; }
.visor-cab { display: flex; justify-content: space-between; align-items: start; gap: 1rem; padding: 1.2rem 1.4rem; }
.visor-cab h3 { color: var(--blanco); font-size: 1.3rem; margin-top: .4rem; }
.visor button { width: 44px; height: 44px; flex: none; border: 1.5px solid rgba(255,255,255,.3); background: none; color: var(--blanco); display: grid; place-items: center; transition: background .2s, border-color .2s; }
.visor button:hover { background: var(--naranja); border-color: var(--naranja); }
.visor svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; }
.visor-foto { min-height: 0; display: grid; place-items: center; background: #222026; }
.visor-foto img { max-width: 100%; max-height: calc(100vh - 210px); object-fit: contain; }
.visor-pie { display: flex; justify-content: center; align-items: center; gap: 1.2rem; padding: 1rem; font-family: "Anybody"; font-stretch: 130%; font-weight: 700; color: var(--blanco); }

/* Testimonios */
.test { background: var(--christmas); }
.test-in { display: grid; grid-template-columns: 1fr 1.6fr; gap: 5rem; align-items: center; }
.test-in h2 { font-size: clamp(2.2rem, 4vw, 3.4rem); margin: 1rem 0 2rem; }
.test-escena { position: relative; min-height: 300px; }
.test-item { position: absolute; inset: 0; opacity: 0; transform: translateY(20px); transition: opacity .6s, transform .6s var(--ease); pointer-events: none; }
.test-item.on { opacity: 1; transform: none; pointer-events: auto; }
.test-item blockquote { font-family: "Anybody"; font-stretch: 110%; font-weight: 500; font-size: clamp(1.35rem, 2.1vw, 1.8rem); line-height: 1.32; color: var(--tender); margin-bottom: 2rem; }
.test-item blockquote::before { content: "“"; display: block; font-size: 4.5rem; line-height: .7; color: var(--naranja); font-weight: 900; margin-bottom: .6rem; }
.test-item .autor strong { display: block; color: var(--tender); }
.test-item .autor { font-size: .9rem; }
.test-barras { display: flex; gap: 8px; }
.test-barras button { all: unset; cursor: pointer; flex: 1; height: 26px; display: flex; align-items: center; }
.test-barras i { display: block; width: 100%; height: 3px; background: var(--light); position: relative; overflow: hidden; }
.test-barras i::after { content: ""; position: absolute; inset: 0; background: var(--naranja); transform: scaleX(0); transform-origin: left; }
.test-barras .hecho i::after { transform: none; }
.test-barras .on i::after { animation: llenar 6s linear forwards; }
@keyframes llenar { to { transform: none; } }

/* Clientes: marquesina */
.clientes { padding: 4.5rem 0; background: var(--blanco); overflow: hidden; }
.clientes .tag { display: flex; justify-content: center; margin-bottom: 2.4rem; }
.marq { display: flex; width: max-content; animation: marq 32s linear infinite; }
.clientes:hover .marq { animation-play-state: paused; }
.marq span { width: 260px; height: 70px; display: grid; place-items: center; flex: none; }
.marq img { max-width: 180px; max-height: 60px; filter: brightness(0); opacity: .45; transition: filter .3s, opacity .3s; }
.marq span:hover img { filter: none; opacity: 1; }
@keyframes marq { to { transform: translateX(-50%); } }

/* Contacto: bloque naranja + formulario sobre el degradé */
.contacto { display: grid; grid-template-columns: 1fr 1fr; }
.contacto-a { background: var(--naranja); color: var(--blanco); padding: 7rem 5rem 7rem max(24px, calc((100vw - var(--ancho)) / 2)); position: relative; overflow: hidden; }
.contacto-a h2 { color: var(--blanco); font-size: clamp(2.2rem, 3.8vw, 3.4rem); margin-bottom: 1.4rem; }
.contacto-a h2 em { font-style: normal; color: var(--tender); }
.contacto-a p { color: var(--fantasy); max-width: 44ch; margin-bottom: 2.4rem; }
.datos { list-style: none; display: grid; gap: 1rem; position: relative; z-index: 1; }
.datos li { display: flex; gap: .9rem; align-items: center; font-weight: 600; }
.datos a { display: inline-flex; gap: .9rem; align-items: center; border-bottom: 1px solid transparent; transition: border-color .25s; }
.datos a:hover { border-color: currentColor; }
.datos svg { width: 22px; height: 22px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; }
.contacto-a .simb { position: absolute; right: -60px; bottom: -40px; height: 360px; fill: rgba(255,255,255,.14); }
.contacto-b { padding: 7rem max(24px, calc((100vw - var(--ancho)) / 2)) 7rem 5rem; }
.form { display: grid; gap: 1.4rem; max-width: 560px; }
.form-fila { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.form label { display: grid; gap: .45rem; font-size: .8rem; font-weight: 600; color: var(--light); }
.form input, .form textarea { font: inherit; font-size: .95rem; font-weight: 400; color: var(--blanco); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.2); padding: .85rem 1rem; outline: none; resize: vertical; transition: border-color .25s, background .25s; }
.form input:focus, .form textarea:focus { border-color: var(--naranja); background: rgba(255,255,255,.1); }
.form .invalido { border-color: var(--outrageous); }
.btn-enviar { background: var(--naranja); color: var(--blanco); border: 0; padding: 1.05rem; font-weight: 600; transition: background .25s; }
.btn-enviar:hover { background: var(--primitive); }
.form-estado { font-size: .86rem; min-height: 1.2em; color: #ffc2ad; }
.form-estado.ok { color: var(--fantasy); }

/* Pie */
.pie { background: #2B2930; color: var(--matte); font-size: .85rem; }
.pie .cont { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; padding: 4rem 0 2.5rem; }
.pie img { height: 40px; margin-bottom: 1rem; }
.pie h4 { color: var(--blanco); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: .9rem; }
.pie nav a { display: block; padding: .15rem 0; }
.pie a:hover { color: var(--naranja); }
.pie p { color: var(--light); }
.redes { display: flex; gap: .5rem; }
.redes a { width: 38px; height: 38px; display: grid; place-items: center; background: rgba(255,255,255,.06); color: var(--light); transition: background .25s; }
.redes a:hover { background: var(--naranja); color: var(--blanco); }
.redes svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.legal { border-top: 1px solid rgba(255,255,255,.07); }
.legal .cont { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem; padding: 1.3rem 0 5rem; font-size: .78rem; }

.legal-links { display: flex; flex-wrap: wrap; gap: .4rem 1.6rem; }
.legal-links a:hover { color: var(--naranja); }
.form-legal { font-size: .76rem; color: rgba(252,243,242,.6); margin-top: -.6rem; }
.form-legal a { color: var(--fantasy); border-bottom: 1px solid rgba(252,243,242,.4); }
.form-legal a:hover { color: var(--naranja); border-color: var(--naranja); }

/* Accesibilidad: salto al contenido (visible solo al navegar con teclado) */
.saltar { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--naranja); color: var(--blanco); padding: .7rem 1rem; font-weight: 600; }
.saltar:focus { top: 16px; }

/* Revelado con plano inclinado */
.rev { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.rev.vis { opacity: 1; transform: none; }
.rev-plano { clip-path: polygon(0 0, 0 0, 0 100%, 0 100%); transition: clip-path 1.1s var(--ease); }
.rev-plano.vis { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .rev, .linea-mask > span, .hero p, .hero .acc { opacity: 1 !important; transform: none !important; }
  .rev-plano { clip-path: none; }
  .dibujo .t { stroke-dasharray: none; } .dibujo .aparece { opacity: 1; }
}
@media (max-width: 1000px) {
  .edif-in { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .edif-dibujo { max-width: 680px; }
}
@media (max-width: 900px) {
  .nav nav a:not(.btn) { display: none; }
    .hero-in { padding-bottom: 5rem; }
  .hero h1 { font-size: clamp(2rem, 7.4vw, 3.4rem); }
  .test-in, .contacto, .serv-panel { grid-template-columns: minmax(0, 1fr); }
  .serv-paneles { margin-top: 2.5rem; }
  .serv-foto { min-height: 0; aspect-ratio: 16 / 11; }
  .serv-texto { padding: 2rem 1.5rem 2.4rem; }
  .serv-texto ul { grid-template-columns: 1fr; }
  .sec { padding: 5.5rem 0; }
  .sec-cab { flex-direction: column; align-items: start; margin-bottom: 2.6rem; }
  .test-escena { min-height: 360px; }
  .contacto-a, .contacto-b { padding: 4.5rem 24px; }
  .pie .cont { grid-template-columns: 1fr 1fr; }
}
/* En pantallas chicas los nombres del dibujo no se leen: quedan los números y una leyenda debajo */
@media (max-width: 640px) {
  .dibujo .etiq, .dibujo text.cota-txt { display: none; }
  .dibujo .bola-n { r: 18; }
  .dibujo .num { font-size: 16px; }
  .dibujo .llamada:is(:hover, :focus-visible, .activa) .bola-n { r: 20; }
  .leyenda { display: grid; gap: .1rem; list-style: none; margin-top: 1.8rem; border-top: 1px solid var(--light); }
  .leyenda a { display: flex; align-items: center; gap: .8rem; padding: .65rem 0; border-bottom: 1px solid var(--light); font-size: .92rem; font-weight: 500; color: var(--tender); }
  .leyenda a[aria-current] { color: var(--naranja); font-weight: 600; }
  .leyenda span { width: 26px; height: 26px; flex: none; display: grid; place-items: center; border-radius: 50%; background: var(--naranja); color: var(--blanco); font-size: .72rem; font-weight: 700; }
  .contacto-a .simb { height: 240px; }
  .sec-cab h2, .test-in h2, .contacto-a h2, .edif-txt h2 { font-size: clamp(1.7rem, 7.6vw, 2.4rem); font-stretch: 110%; }
  .hero h1 { font-size: clamp(1.8rem, 7.2vw, 2.6rem); font-stretch: 110%; }
  .serv-texto h3 { font-size: 1.6rem; }
  .form-fila { grid-template-columns: 1fr; }
  .pie .cont { grid-template-columns: 1fr; }
}