:root {
  --fondo: #f3f1ec;
  --tinta: #171614;
  --suave: #6b6760;
  --linea: #d8d3c9;
  --oscuro: #121210;
  --margen: clamp(16px, 4vw, 56px);
  --sans: 'Inter Tight', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--fondo); color: var(--tinta); font: 400 18px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
img, video { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, p, figure, dl, dd, ol, ul { margin: 0; }
ol, ul { list-style: none; padding: 0; }
.mono { font: 400 13px/1.4 var(--mono); letter-spacing: .02em; color: var(--suave); }

/* Cabecera */
.cab { position: fixed; inset: 0 0 auto; z-index: 20; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; padding: 22px var(--margen); color: #fff; transition: background .3s, color .3s; }
.cab--solida { background: rgba(243, 241, 236, .94); color: var(--tinta); backdrop-filter: blur(8px); }
.cab__marca { font-weight: 500; text-decoration: none; letter-spacing: -.01em; }
.cab__nav { display: flex; gap: 32px; }
.cab__nav a, .cab__idioma a { text-decoration: none; opacity: .8; }
.cab__nav a:hover, .cab__idioma a:hover { opacity: 1; }
.cab__idioma { justify-self: end; font: 400 13px var(--mono); }
.cab__menu { display: none; justify-self: end; font: 400 15px var(--sans); color: inherit; background: none; border: 1px solid currentColor; border-radius: 3px; padding: 6px 14px; cursor: pointer; }

/* Portada */
.portada { position: relative; height: 100svh; min-height: 560px; overflow: hidden; color: #fff; background: var(--oscuro); }
.portada__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.portada__velo { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.45), rgba(0,0,0,0) 55%), linear-gradient(to bottom, rgba(0,0,0,.25), rgba(0,0,0,0) 20%); }
.portada__pie { position: absolute; left: var(--margen); right: var(--margen); bottom: clamp(20px, 4vw, 48px); display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; }
.portada__marca { font-weight: 300; font-size: clamp(64px, 15vw, 248px); line-height: .84; letter-spacing: -.055em; text-align: right; }
.portada__linea { font-size: 17px; line-height: 1.4; padding-bottom: .6em; }
.portada__ficha { position: absolute; right: var(--margen); top: 50%; color: rgba(255,255,255,.8); writing-mode: vertical-rl; }

/* Introducción */
.intro { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(32px, 6vw, 120px); padding: clamp(96px, 14vw, 200px) var(--margen) clamp(64px, 9vw, 140px); }
.intro__frase { font-weight: 300; font-size: clamp(30px, 3.6vw, 56px); line-height: 1.1; letter-spacing: -.03em; }
.intro__col { display: grid; gap: 20px; align-content: start; color: #2f2d2a; padding-top: 10px; }
.enlace { justify-self: start; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.enlace::after { content: ' →'; }

/* Collage */
.collage { position: relative; height: 165vh; min-height: 1100px; margin: 0 var(--margen); }
.collage__img { position: absolute; will-change: transform; }
.collage__img img { width: 100%; height: auto; }
.c1 { left: 4%; top: 0; width: 22%; }
.c2 { left: 38%; top: 8%; width: 30%; }
.c3 { right: 0; top: 22%; width: 26%; }
.c4 { left: 14%; top: 48%; width: 18%; }
.c5 { right: 8%; top: 60%; width: 34%; }
.c6 { left: 36%; top: 76%; width: 24%; }
.collage__texto { position: absolute; left: 40%; top: 44%; width: min(420px, 40%); font-size: clamp(22px, 2vw, 30px); line-height: 1.2; letter-spacing: -.02em; }

/* Secciones */
.cabecera-seccion { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--tinta); padding-bottom: 14px; }
.cabecera-seccion h2, .proceso h2 { font-weight: 300; font-size: clamp(40px, 6vw, 96px); letter-spacing: -.045em; line-height: 1; }

/* Índice de proyectos */
.proyectos { padding: clamp(96px, 12vw, 180px) var(--margen); position: relative; }
.indice a { display: grid; grid-template-columns: 1.3fr 1fr .5fr; gap: 24px; align-items: baseline; padding: 22px 0; border-bottom: 1px solid var(--linea); text-decoration: none; transition: padding .3s, color .3s; }
.indice__nombre { font-size: clamp(26px, 3.2vw, 48px); letter-spacing: -.03em; line-height: 1.1; }
.indice__tipo { color: var(--suave); }
.indice__lugar { text-align: right; }
.indice:hover a { color: #a7a39b; }
.indice a:hover { color: var(--tinta); padding-left: 18px; }
.indice__vista { position: fixed; z-index: 15; left: 0; top: 0; width: 300px; height: auto; pointer-events: none; opacity: 0; transition: opacity .25s; }
.indice__vista.visible { opacity: 1; }

/* Proyecto destacado en horizontal */
.destacado { background: var(--oscuro); color: #ece9e2; }
.destacado__fijo { position: sticky; top: 0; height: 100svh; overflow: hidden; display: flex; align-items: center; }
.destacado__pista { display: flex; gap: 2.5vw; padding: 0 var(--margen); align-items: center; will-change: transform; }
.destacado__pista img { height: 76svh; width: auto; flex: none; }
.destacado__texto { flex: none; width: min(420px, 80vw); display: grid; gap: 22px; margin-right: 4vw; }
.destacado__texto h2 { font-weight: 300; font-size: clamp(44px, 5vw, 80px); line-height: 1; letter-spacing: -.045em; }
.destacado .mono { color: #9c978d; }

/* Servicios */
.servicios { padding: clamp(96px, 12vw, 180px) var(--margen); }
.lista-servicios a { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--linea); text-decoration: none; }
.ls__nombre { font-size: clamp(22px, 2.4vw, 34px); letter-spacing: -.025em; line-height: 1.15; }
.ls__desc { color: var(--suave); max-width: 46ch; }
.lista-servicios a:hover .ls__nombre { text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px; }

/* Zonas */
.zonas { padding: 0 var(--margen) clamp(96px, 12vw, 180px); }

/* Proceso */
.proceso { padding: 0 var(--margen) clamp(96px, 12vw, 180px); display: grid; grid-template-columns: 1fr 2fr; gap: clamp(32px, 6vw, 120px); }
.fases { display: grid; grid-template-columns: 1fr 1fr; gap: 48px 40px; }
.fases div { border-top: 1px solid var(--tinta); padding-top: 16px; }
.fases dt { font-size: 22px; letter-spacing: -.02em; margin-bottom: 10px; }
.fases dd { color: #3c3a36; }

/* Contacto */
.contacto { background: var(--oscuro); color: #ece9e2; padding: clamp(96px, 12vw, 180px) var(--margen); }
.contacto__titulo { font-weight: 300; font-size: clamp(56px, 10vw, 168px); line-height: .9; letter-spacing: -.055em; margin-bottom: clamp(48px, 7vw, 96px); }
.contacto__rejilla { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(32px, 6vw, 120px); }
.contacto__datos { display: grid; gap: 28px; align-content: start; color: #c9c5bc; }
.contacto__grande { color: #fff; font-size: clamp(22px, 2.2vw, 32px); letter-spacing: -.02em; text-decoration: none; line-height: 1.5; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 24px; }
.form label { display: grid; gap: 8px; font: 400 13px var(--mono); color: #9c978d; }
.form input, .form select, .form textarea { font: 400 18px var(--sans); color: #fff; background: transparent; border: 0; border-bottom: 1px solid #55524c; border-radius: 0; padding: 8px 0; }
.form select { appearance: none; -webkit-appearance: none; color-scheme: dark; cursor: pointer; padding-right: 24px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14' fill='none' stroke='%239c978d' stroke-width='1.2'%3E%3Cpath d='M2 5l5 5 5-5'/%3E%3C/svg%3E") no-repeat right center; }
.form select option { color: #fff; background: #1d1c19; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-bottom-color: #fff; }
.form__ancho { grid-column: 1 / -1; }
.form__trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__aviso { color: #ece9e2; }
.form__aviso--error { color: #f0b4a8; }
.form__gracias { display: grid; gap: 16px; align-content: start; color: #c9c5bc; }
.form__gracias strong { color: #fff; font-weight: 400; font-size: clamp(22px, 2.2vw, 32px); letter-spacing: -.02em; }
/* Desplegable propio (sustituye al <select> nativo cuando hay JavaScript) */
.desplegable { position: relative; }
.desplegable__boton { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; font: 400 18px var(--sans); color: #fff; text-align: left; background: transparent; border: 0; border-bottom: 1px solid #55524c; border-radius: 0; padding: 8px 0; cursor: pointer; }
.desplegable__boton span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.desplegable__boton::after { content: ''; flex: none; width: 14px; height: 14px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14' fill='none' stroke='%239c978d' stroke-width='1.2'%3E%3Cpath d='M2 5l5 5 5-5'/%3E%3C/svg%3E") no-repeat center; transition: transform .2s ease; }
.desplegable__boton:focus-visible, .desplegable--abierto .desplegable__boton { outline: none; border-bottom-color: #fff; }
.desplegable--abierto .desplegable__boton::after { transform: rotate(180deg); }
.desplegable__lista { position: absolute; left: 0; right: 0; top: calc(100% + 8px); z-index: 6; margin: 0; padding: 6px 0; list-style: none; background: #1d1c19; border: 1px solid #3a3833; border-radius: 3px; box-shadow: 0 18px 44px rgba(0, 0, 0, .45); max-height: min(470px, 70vh); overflow-y: auto; }
.desplegable--arriba .desplegable__lista { top: auto; bottom: calc(100% + 8px); }
.desplegable__lista li { position: relative; padding: 11px 16px 11px 34px; font: 400 16px/1.35 var(--sans); color: #c9c5bc; cursor: pointer; }
.desplegable__lista li:hover, .desplegable__lista li.desplegable__activa { background: #2a2925; color: #fff; }
.desplegable__lista li[aria-selected="true"] { color: #fff; }
.desplegable__lista li[aria-selected="true"]::before { content: ''; position: absolute; left: 16px; top: 50%; width: 6px; height: 6px; margin-top: -3px; border-radius: 50%; background: #fff; }
select.desplegable__nativo { display: none; }
.boton { justify-self: start; font: 500 17px var(--sans); background: #ece9e2; color: var(--tinta); border: 0; border-radius: 3px; padding: 14px 30px; cursor: pointer; }
.boton:hover { background: #fff; }

/* Pie */
.pie { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 24px; padding: 48px var(--margen) 56px; font-size: 15px; color: var(--suave); }
.pie a { text-decoration: none; }
.pie__marca { color: var(--tinta); font-weight: 500; }

/* Aparición suave */
.aparece { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s ease; }
.aparece.visto { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .cab { grid-template-columns: 1fr auto auto; }
  .cab__menu { display: block; }
  .cab__nav { display: none; position: fixed; inset: 0; z-index: 25; flex-direction: column; justify-content: center; gap: 28px; padding: var(--margen); background: var(--oscuro); color: #ece9e2; font-size: clamp(32px, 9vw, 48px); letter-spacing: -.03em; }
  .cab__nav a { opacity: 1; }
  .cab--abierta .cab__nav { display: flex; }
  .cab--abierta .cab__menu, .cab--abierta .cab__marca, .cab--abierta .cab__idioma { position: relative; z-index: 26; color: #ece9e2; }
  .intro, .proceso, .contacto__rejilla { grid-template-columns: 1fr; }
  .portada__pie { flex-direction: column; align-items: flex-start; }
  .portada__marca { text-align: left; }
  .portada__ficha { display: none; }
  .collage { height: auto; min-height: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .collage__img { position: static; width: auto; transform: none !important; }
  .collage__texto { position: static; width: auto; grid-column: 1 / -1; order: -1; margin-bottom: 12px; }
  .indice a { grid-template-columns: 1fr; gap: 4px; }
  .indice__lugar { text-align: left; }
  .lista-servicios a { grid-template-columns: 1fr; gap: 8px; }
  .fases { grid-template-columns: 1fr; }
  .destacado__fijo { position: static; height: auto; padding: 72px 0; }
  .destacado__pista { overflow-x: auto; scroll-snap-type: x mandatory; transform: none !important; }
  .destacado__pista > * { scroll-snap-align: start; }
  .destacado__pista img { height: 62svh; }
  .form { grid-template-columns: 1fr; }
  .pie { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .aparece { opacity: 1; transform: none; transition: none; }
}

/* ===== Páginas interiores (2026-10-28) ===== */
.interior main { padding-top: 72px; }
.miga ol { display: flex; flex-wrap: wrap; gap: 6px; }
.miga li + li::before { content: '/'; margin-right: 6px; color: var(--linea); }
.miga a { text-decoration: none; }
.miga a:hover { text-decoration: underline; }
.cabpag { padding: clamp(40px, 6vw, 88px) var(--margen) clamp(32px, 5vw, 64px); display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px clamp(32px, 6vw, 120px); align-items: end; }
.cabpag .miga { grid-column: 1 / -1; }
.cabpag h1 { font-weight: 300; font-size: clamp(40px, 6.4vw, 104px); letter-spacing: -.045em; line-height: .95; }
.cabpag__linea { margin-top: 18px; }
.cabpag__lead { font-size: clamp(19px, 1.55vw, 24px); line-height: 1.4; letter-spacing: -.01em; color: #2f2d2a; align-self: end; }
.cabpag__lead a { text-decoration: underline; text-underline-offset: 4px; }
.cabpag__img { margin: 0 var(--margen); overflow: hidden; }
.cabpag__img img { width: 100%; height: auto; max-height: 82svh; object-fit: cover; }
.bloque { display: grid; grid-template-columns: 1fr 2fr; gap: 24px clamp(32px, 6vw, 120px); padding: clamp(40px, 6vw, 88px) var(--margen) 0; }
.bloque + .bloque { margin-top: clamp(40px, 6vw, 88px); border-top: 1px solid var(--linea); }
.bloque h2 { font-weight: 300; font-size: clamp(28px, 3vw, 46px); letter-spacing: -.03em; line-height: 1.05; }
.bloque__texto { display: grid; gap: 18px; max-width: 70ch; color: #2f2d2a; }
.bloque__texto ul { display: grid; gap: 10px; }
.bloque__texto li { padding-left: 22px; position: relative; }
.bloque__texto li::before { content: '—'; position: absolute; left: 0; color: var(--suave); }
.bloque__texto strong { font-weight: 500; color: var(--tinta); }
.bloque__texto a { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.bloque__texto .enlace { text-decoration: none; }
.bloque__texto dl { display: grid; gap: 14px; }
.bloque__texto dt { font-weight: 500; color: var(--tinta); }
.bloque__texto dd { margin: 0; }
.bloque__nota { font-size: 15px; color: var(--suave); }
.faq { padding: clamp(64px, 9vw, 140px) var(--margen) 0; display: grid; grid-template-columns: 1fr 2fr; gap: 24px clamp(32px, 6vw, 120px); }
.faq h2 { font-weight: 300; font-size: clamp(28px, 3vw, 46px); letter-spacing: -.03em; line-height: 1.05; }
.faq details { border-top: 1px solid var(--linea); padding: 18px 0; }
.faq details:last-child { border-bottom: 1px solid var(--linea); }
.faq summary { cursor: pointer; list-style: none; font-size: clamp(18px, 1.5vw, 22px); letter-spacing: -.015em; display: flex; justify-content: space-between; gap: 24px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--suave); flex: none; }
.faq details[open] summary::after { content: '–'; }
.faq__r { padding-top: 12px; color: #2f2d2a; max-width: 68ch; }
.relacionadas { padding: clamp(64px, 9vw, 140px) var(--margen) clamp(64px, 9vw, 140px); }
.relacionadas h2 { border-bottom: 1px solid var(--tinta); padding-bottom: 14px; }
.ficha { display: grid; grid-template-columns: 1fr 2fr; gap: 24px clamp(32px, 6vw, 120px); padding: clamp(40px, 6vw, 88px) var(--margen) 0; }
.ficha__datos { display: grid; gap: 14px; align-content: start; }
.ficha__datos div { border-top: 1px solid var(--linea); padding-top: 10px; }
.ficha__datos dt { font: 400 13px/1.4 var(--mono); color: var(--suave); }
.ficha__datos dd { margin: 4px 0 0; }
.ficha__texto { display: grid; gap: 18px; max-width: 70ch; color: #2f2d2a; }
.galeria { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: clamp(40px, 6vw, 88px) var(--margen) 0; }
.galeria figure { display: grid; gap: 10px; }
.galeria img { width: 100%; height: auto; }
.galeria figure:nth-child(3n+1) { grid-column: 1 / -1; }
.galeria figure:nth-child(3n+1) img { max-height: 90svh; object-fit: cover; }
.siguiente { padding: clamp(64px, 9vw, 140px) var(--margen) 0; }
.siguiente a { display: grid; gap: 6px; padding: 22px 0; border-top: 1px solid var(--tinta); text-decoration: none; }
.rejilla-proyectos { padding: 0 var(--margen) clamp(64px, 9vw, 140px); }
.rejilla { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 24px; }
.rejilla a { display: grid; gap: 10px; text-decoration: none; }
.rejilla img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.rejilla__nombre { font-size: clamp(20px, 1.8vw, 26px); letter-spacing: -.02em; line-height: 1.15; }
.rejilla a:hover .rejilla__nombre { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.legal { padding: 0 var(--margen) clamp(64px, 9vw, 140px); max-width: 76ch; display: grid; gap: 16px; color: #2f2d2a; }
.legal h2 { font-weight: 400; font-size: 22px; letter-spacing: -.02em; margin-top: 24px; }
.legal ul { display: grid; gap: 8px; padding-left: 20px; list-style: disc; }
.equipo { display: grid; grid-template-columns: 1fr 1fr; gap: 24px clamp(32px, 6vw, 120px); padding: clamp(40px, 6vw, 88px) var(--margen) 0; align-items: start; }
.equipo img { width: 100%; height: auto; }
.equipo__texto { display: grid; gap: 18px; max-width: 60ch; color: #2f2d2a; }
.interior .contacto { margin-top: clamp(64px, 9vw, 140px); }
.relacionadas + .contacto { margin-top: 0; }
@media (max-width: 900px) {
  .interior main { padding-top: 64px; }
  .cabpag, .bloque, .faq, .ficha, .equipo { grid-template-columns: 1fr; }
  .galeria { grid-template-columns: 1fr; }
  .galeria figure:nth-child(3n+1) { grid-column: auto; }
  .rejilla { grid-template-columns: 1fr 1fr; gap: 28px 16px; }
}
@media (max-width: 560px) { .rejilla { grid-template-columns: 1fr; } }