/* =====================================================================
   ANDAICCA — Convertimos territorio en proyectos viables.
   Sistema: papel frío + tinta + naranja de estacado topográfico.
   Tipografía: Archivo (variable) / IBM Plex Mono (labels técnicos).
   ===================================================================== */

/* ---------- Fuentes (auto-hospedadas: el CSP prohíbe CDNs) ---------- */
@font-face {
  font-family: 'Archivo';
  src: url('../fonts/archivo-var.woff2?v=1') format('woff2-variations');
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/plexmono-400.woff2?v=1') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/plexmono-500.woff2?v=1') format('woff2');
  font-weight: 500;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --papel: #F4F4F0;
  --papel-tinta: #ECECe6;
  --tinta: #161613;
  --grafito: #4A4944;
  --niebla: #8B8A82;
  --linea: #DCDBD3;
  --linea-oscura: #2E2D28;
  --acento: #C24D0E;
  --acento-claro: #E06E2D;

  --fuente: 'Archivo', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Consolas', monospace;

  --margen: clamp(1.25rem, 5vw, 6rem);
  --ancho-max: 1440px;

  --t-hero: clamp(2.4rem, 6.4vw, 5.6rem);
  --t-seccion: clamp(1.9rem, 4.2vw, 3.6rem);
  --t-bloque: clamp(1.5rem, 3vw, 2.6rem);
  --t-body: 1.06rem;
  --t-label: 0.72rem;

  --dur: 1s;
  --curva: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--fuente);
  font-size: var(--t-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; }

::selection { background: var(--acento); color: var(--papel); }

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

/* ---------- Utilidades ---------- */
.contenedor {
  max-width: var(--ancho-max);
  margin-inline: auto;
  padding-inline: var(--margen);
}

.mono {
  font-family: var(--mono);
  font-size: var(--t-label);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.display {
  font-stretch: 116%;
  font-weight: 620;
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

/* Retícula de plano: hairlines verticales en los márgenes (solo desktop) */
.reticula::before,
.reticula::after {
  content: '';
  position: fixed;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--linea);
  z-index: 1;
  pointer-events: none;
}
.reticula::before { left: calc(var(--margen) * 0.5); }
.reticula::after { right: calc(var(--margen) * 0.5); }
@media (max-width: 900px) { .reticula::before, .reticula::after { display: none; } }

/* Etiqueta de sección: "01 — ¿QUÉ HACEMOS?" */
.etiqueta {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--grafito);
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
}
.etiqueta::after { content: ''; flex: 1; height: 1px; background: var(--linea); }
.etiqueta b { color: var(--acento); font-weight: 500; }

.seccion { padding-block: clamp(5rem, 12vh, 9rem); position: relative; }

/* Marco de imagen con reveal */
.marco { overflow: hidden; position: relative; }
.marco img { width: 100%; height: 100%; object-fit: cover; }

/* Botones */
.boton {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--mono);
  font-size: var(--t-label);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1rem 1.6rem;
  border: 1px solid currentColor;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  min-height: 44px;
}
.boton .flecha { transition: transform 0.3s var(--curva); }
.boton:hover .flecha { transform: translateX(5px); }
.boton--lleno { background: var(--tinta); color: var(--papel); border-color: var(--tinta); }
.boton--lleno:hover { background: var(--acento); border-color: var(--acento); }
.boton--acento { background: var(--acento); color: #fff; border-color: var(--acento); }
.boton--acento:hover { background: transparent; color: var(--acento-claro); border-color: var(--acento-claro); }
.boton--fantasma:hover { background: var(--tinta); color: var(--papel); }
.boton--claro { color: var(--papel); }
.boton--claro:hover { background: var(--papel); color: var(--tinta); }

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background-color 0.4s ease, box-shadow 0.4s ease;
}
.header-int {
  max-width: var(--ancho-max);
  margin-inline: auto;
  padding: 1.1rem var(--margen);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.header-marca {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-stretch: 116%;
  font-weight: 680;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--papel);
  transition: color 0.4s ease;
}
.marca-icono { height: 1.85em; flex: none; display: inline-flex; }
.marca-icono img { height: 100%; width: auto; }
.iso-oscuro { display: none; }
.header--solida .iso-claro { display: none; }
.header--solida .iso-oscuro { display: block; }
.header-nav { display: flex; gap: clamp(1rem, 2.5vw, 2.4rem); }
.header-idioma { display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; }
.header-idioma b { font-weight: 500; color: var(--acento-claro); }
.header-idioma a { opacity: 0.65; }
.header-idioma a:hover, .header-idioma a:focus-visible { opacity: 1; }
.header-nav a {
  font-family: var(--mono);
  font-size: var(--t-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--papel);
  padding-block: 0.6rem;
  position: relative;
  transition: color 0.4s ease;
}
.header-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0.25rem;
  width: 100%; height: 1px;
  background: var(--acento);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--curva);
}
.header-nav a:hover::after, .header-nav a[aria-current="page"]::after { transform: scaleX(1); }

.header--solida { background: color-mix(in srgb, var(--papel) 92%, transparent); backdrop-filter: blur(8px); box-shadow: 0 1px 0 var(--linea); }
.header--solida .header-marca, .header--solida .header-nav a { color: var(--tinta); }

/* Header sobre fondo claro desde el inicio (pre-development usa hero tinta: no aplica) */
@media (max-width: 720px) {
  /* móvil: header de dos filas — wordmark arriba, nav compacta abajo */
  .header-int { flex-wrap: wrap; row-gap: 0.15rem; padding-block: 0.85rem; }
  .header-marca { font-size: 1.1rem; }
  .header-nav { width: 100%; gap: 1.15rem; overflow-x: auto; scrollbar-width: none; }
  .header-nav::-webkit-scrollbar { display: none; }
  .header-nav a { font-size: 0.64rem; padding-block: 0.45rem; white-space: nowrap; }
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  color: var(--papel);
  overflow: hidden;
  isolation: isolate;
}
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; transform-origin: center; }
.hero-velo {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(200deg, rgba(22,22,19,0.15) 0%, rgba(22,22,19,0.55) 78%, rgba(22,22,19,0.72) 100%);
}
.hero-contenido {
  width: 100%;
  max-width: var(--ancho-max);
  margin-inline: auto;
  /* el padding-top separa el bloque del header: la linea de categorias no debe
     quedarse pegada al logo ni meterse debajo de la barra */
  padding: clamp(7rem, 14vh, 9rem) var(--margen) clamp(2.5rem, 6vh, 4rem);
}
.hero-cat { color: rgba(244,244,240,0.85); margin-bottom: 1.4rem; }
.hero-cat b { color: var(--acento-claro); }
.hero-titulo { font-size: var(--t-hero); max-width: 12ch; }
.hero-titulo .linea { display: block; overflow: hidden; }
.hero-titulo .linea > span { display: block; }
.hero-bajada { color: rgba(244,244,240,0.86); max-width: 58ch; margin-top: 1.6rem; font-size: clamp(0.95rem, 1.15vw, 1.05rem); line-height: 1.6; }
.hero-predev { margin-top: 2.2rem; padding-left: 1.1rem; border-left: 2px solid var(--acento-claro); max-width: 54ch; }
.hero-predev-eti { color: var(--acento-claro); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; }
.hero-predev-txt { color: #F4F4F0; font-size: clamp(0.95rem, 1.15vw, 1.05rem); line-height: 1.6; margin: 0.35rem 0 0; max-width: 46ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.9rem; }

.hero-scroll {
  position: absolute;
  bottom: clamp(1.2rem, 3vh, 2rem);
  right: var(--margen);
  color: rgba(244,244,240,0.75);
  display: flex; align-items: center; gap: 0.6rem;
}
.hero-scroll::after { content: ''; width: 1px; height: 2.6rem; background: currentColor; animation: gotea 2.4s var(--curva) infinite; transform-origin: top; }
@keyframes gotea { 0% { transform: scaleY(0); } 45% { transform: scaleY(1); } 100% { transform: scaleY(0); transform-origin: bottom; } }

.hero-coord {
  position: absolute;
  top: 5.2rem;
  right: var(--margen);
  color: rgba(244,244,240,0.55);
  letter-spacing: 0.18em;
}
@media (max-width: 720px) { .hero-coord { display: none; } }

/* ---------- 02 ¿QUÉ HACEMOS? ---------- */
.hacemos-titulo { font-size: var(--t-seccion); max-width: 22ch; margin-bottom: clamp(3rem, 8vh, 5rem); }

.bloque {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.7fr) minmax(0, 1.4fr) 2.5rem;
  gap: clamp(1rem, 3vw, 3rem);
  align-items: center;
  padding-block: clamp(2rem, 5vh, 3.2rem);
  border-top: 1px solid var(--linea);
  text-decoration: none;
  position: relative;
  transition: background-color 0.4s ease;
}
.bloque:last-of-type { border-bottom: 1px solid var(--linea); }
.bloque-verbo { font-size: clamp(1.4rem, 2.3vw, 2.5rem); font-stretch: 116%; font-weight: 640; letter-spacing: -0.01em; transition: transform 0.5s var(--curva); }
.bloque-que h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.5rem; }
.bloque-que p { color: var(--grafito); font-size: 0.98rem; max-width: 52ch; }
.bloque-foto { overflow: hidden; aspect-ratio: 16 / 9; opacity: 0; transition: opacity 0.5s ease; }
.bloque-foto img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 1.2s var(--curva); }
.bloque-flecha { color: var(--acento); font-size: 1.5rem; opacity: 0; transform: translateX(-8px); transition: opacity 0.4s ease, transform 0.4s var(--curva); }

@media (hover: hover) {
  .bloque:hover { background: var(--papel-tinta); }
  .bloque:hover .bloque-verbo { transform: translateX(0.8rem); }
  .bloque:hover .bloque-foto { opacity: 1; }
  .bloque:hover .bloque-foto img { transform: scale(1); }
  .bloque:hover .bloque-flecha { opacity: 1; transform: translateX(0); }
}
@media (max-width: 900px) {
  .bloque { grid-template-columns: 1fr; gap: 1rem; }
  .bloque-foto { opacity: 1; order: 3; }
  .bloque-foto img { transform: none; }
  .bloque-flecha { display: none; }
}

/* ---------- 03 VISIÓN INTEGRAL (sticky + diagrama) ---------- */
.vision { background: var(--tinta); color: var(--papel); }
.vision .etiqueta { color: var(--niebla); }
.vision .etiqueta::after { background: var(--linea-oscura); }

.vision-int {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.vision-texto { position: sticky; top: 18vh; }
.vision-texto h2 { font-size: var(--t-seccion); margin-bottom: 1.6rem; max-width: 14ch; }
.vision-texto p { color: #B9B8B0; max-width: 44ch; }

.metodologia-eti { color: var(--acento-claro); margin-bottom: 0.6rem; }
.metodologia-titulo { font-size: clamp(1.4rem, 2.6vw, 2.2rem); font-stretch: 114%; font-weight: 620; line-height: 1.1; margin-bottom: clamp(1.4rem, 3vh, 2.2rem); }
.diagrama { position: relative; padding-left: 2.5rem; }
.diagrama-linea { position: absolute; left: 8px; top: 0.5rem; bottom: 0.5rem; width: 2px; }
.diagrama-linea .fondo { position: absolute; inset: 0; background: var(--linea-oscura); }
.diagrama-linea .avance { position: absolute; inset: 0; background: var(--acento); transform: scaleY(0); transform-origin: top; }

.nodo { padding-block: clamp(1.4rem, 4vh, 2.6rem); position: relative; opacity: 0.32; transition: opacity 0.5s ease; }
.nodo::before {
  content: '';
  position: absolute;
  left: -2.5rem; top: 50%;
  width: 10px; height: 10px;
  margin-left: 4px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--linea-oscura);
  transition: background-color 0.4s ease;
}
.nodo-num { color: var(--niebla); display: block; margin-bottom: 0.35rem; }
.nodo-nombre { font-size: clamp(1.3rem, 2.4vw, 2rem); font-stretch: 114%; font-weight: 600; letter-spacing: 0.02em; }
.nodo-des { color: #9A998F; font-size: 0.92rem; max-width: 40ch; margin-top: 0.4rem; }
.nodo--activo { opacity: 1; }
.nodo--activo::before { background: var(--acento); }
.nodo--final .nodo-nombre { color: var(--acento-claro); }

@media (max-width: 900px) {
  .vision-int { grid-template-columns: 1fr; }
  .vision-texto { position: static; }
}

/* ---------- 04 SERVICIOS (índice editorial expandible) ---------- */
.servicio { border-top: 1px solid var(--linea); }
.servicio:last-of-type { border-bottom: 1px solid var(--linea); }
.servicio-boton {
  width: 100%;
  display: grid;
  grid-template-columns: 4.5rem 1fr 3rem;
  align-items: baseline;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(1.6rem, 4vh, 2.6rem);
  text-align: left;
}
.servicio-num { font-family: var(--mono); font-size: 0.85rem; font-weight: 500; color: var(--niebla); letter-spacing: 0.1em; transition: color 0.3s ease; }
.servicio-nombre { font-size: clamp(1.6rem, 3.6vw, 3rem); font-stretch: 116%; font-weight: 620; letter-spacing: -0.015em; line-height: 1.05; transition: transform 0.5s var(--curva), color 0.3s ease; }
.servicio-mas {
  justify-self: end;
  font-size: 1.6rem;
  font-weight: 300;
  line-height: 1;
  color: var(--niebla);
  transition: transform 0.45s var(--curva), color 0.3s ease;
}
@media (hover: hover) {
  .servicio-boton:hover .servicio-nombre { transform: translateX(0.7rem); }
  .servicio-boton:hover .servicio-num,
  .servicio-boton:hover .servicio-mas { color: var(--acento); }
}
.servicio[data-abierto="si"] .servicio-mas { transform: rotate(45deg); color: var(--acento); }
.servicio[data-abierto="si"] .servicio-num { color: var(--acento); }

.servicio-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.65s var(--curva);
}
.servicio-panel > div { overflow: hidden; }
.servicio[data-abierto="si"] .servicio-panel { grid-template-rows: 1fr; }
.servicio-panel-int {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: 0 0 clamp(2rem, 5vh, 3.5rem) 4.5rem;
  align-items: start;
}
.servicio-lista { columns: 2; gap: 2.5rem; }
.servicio-lista li {
  break-inside: avoid;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--linea);
  font-size: 0.95rem;
  color: var(--grafito);
}
.servicio-foto { aspect-ratio: 16 / 10; }
@media (max-width: 900px) {
  .servicio-boton { grid-template-columns: 3rem 1fr 2rem; }
  .servicio-panel-int { grid-template-columns: 1fr; padding-left: 0; }
  .servicio-lista { columns: 1; }
}

/* ---------- 05 PROYECTOS (franjas) ---------- */
.proyectos { background: var(--tinta); color: var(--papel); }
.proyectos .etiqueta { color: var(--niebla); }
.proyectos .etiqueta::after { background: var(--linea-oscura); }

.franja {
  position: relative;
  display: block;
  border-top: 1px solid var(--linea-oscura);
  overflow: hidden;
  isolation: isolate;
}
.franja:last-of-type { border-bottom: 1px solid var(--linea-oscura); }
.franja::before { content: ''; position: absolute; inset: 0; z-index: -1; background: rgba(244,244,240,0.035); opacity: 0; transition: opacity 0.5s ease; }
.franja-int {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr) minmax(0, 30rem);
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: start;
  padding: clamp(1.8rem, 5vh, 3rem) 0;
  max-width: var(--ancho-max);
  margin-inline: auto;
  padding-inline: var(--margen);
}
.franja-num { font-family: var(--mono); font-size: 0.85rem; color: var(--niebla); }
.franja-nombre { font-size: clamp(1.5rem, 3.4vw, 2.8rem); font-stretch: 116%; font-weight: 620; line-height: 1.06; transition: transform 0.5s var(--curva); }
.franja-des { color: #B9B8B0; font-size: 0.95rem; line-height: 1.6; opacity: 0; transform: translateY(8px); transition: opacity 0.5s ease 0.08s, transform 0.5s var(--curva) 0.08s; }
.franja--activa::before, .franja:hover::before { opacity: 1; }
.franja--activa .franja-des, .franja:hover .franja-des { opacity: 1; transform: translateY(0); color: #D9D8D0; }
.franja--activa .franja-nombre, .franja:hover .franja-nombre { transform: translateX(0.6rem); }
@media (max-width: 900px) {
  .franja-int { grid-template-columns: 3rem 1fr; }
  .franja-des { grid-column: 2; }
}

/* ---------- 06 ¿TIENES UN TERRENO? ---------- */
.terreno {
  position: relative;
  color: var(--papel);
  overflow: hidden;
  isolation: isolate;
  padding-block: clamp(7rem, 18vh, 12rem);
}
.terreno-media { position: absolute; inset: 0; z-index: -2; }
.terreno-media img { width: 100%; height: 110%; object-fit: cover; }
.terreno-media::after { content: ''; position: absolute; inset: 0; background: rgba(22,22,19,0.62); }

/* Overlay cartográfico: crosshair + retícula */
.terreno-carto { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.terreno-carto .cruz { position: absolute; color: var(--acento-claro); font-family: var(--mono); font-size: 1rem; }
.terreno-carto .reja {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(244,244,240,0.07) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(244,244,240,0.07) 1px, transparent 1px);
  background-size: 90px 90px;
}
.terreno-cota {
  position: absolute;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: rgba(244,244,240,0.5);
  text-transform: uppercase;
}
.terreno-titulo { font-size: clamp(2rem, 5vw, 4.2rem); max-width: 16ch; margin-bottom: 1.6rem; }
.terreno-texto { color: #C9C8C0; max-width: 52ch; margin-bottom: 2.4rem; }
.terreno .boton { margin-right: 0.9rem; margin-bottom: 0.8rem; }

/* ---------- 07 PRE-DEV teaser ---------- */
.predev-teaser-int {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.predev-teaser h2 { font-size: var(--t-seccion); margin-bottom: 1.4rem; max-width: 14ch; }
.predev-teaser p { color: var(--grafito); max-width: 46ch; margin-bottom: 2.2rem; }
.predev-indice li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--linea);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.predev-indice .num { color: var(--acento); }
.predev-indice .pregunta { color: var(--grafito); text-align: right; }
@media (max-width: 900px) { .predev-teaser-int { grid-template-columns: 1fr; } }

/* ---------- 08 CLIENTES ---------- */
.clientes h2 { font-size: var(--t-seccion); margin-bottom: clamp(3rem, 7vh, 4.5rem); }
.clientes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--linea);
  border-left: 1px solid var(--linea);
}
.clientes-grid > div {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 8 / 5;
  padding: 1.6rem;
  border-right: 1px solid var(--linea);
  border-bottom: 1px solid var(--linea);
}
.clientes-grid img {
  max-height: 7.6rem;
  width: auto;
  max-width: min(82%, 11.5rem);
  object-fit: contain;
  filter: grayscale(1) contrast(1.08);
  opacity: 0.82;
  transition: filter 0.4s ease, opacity 0.4s ease;
}
.clientes-grid > div:hover img { filter: grayscale(0); opacity: 1; }
/* celda de marca: el isotipo ANDAICCA como cierre del grid, discreto */
.clientes-grid .celda-marca img { max-height: 2.7rem; opacity: 0.28; filter: none; }
.clientes-grid .celda-marca:hover img { opacity: 0.5; }
@media (max-width: 720px) {
  .clientes-grid { grid-template-columns: repeat(2, 1fr); }
  /* en 2 columnas la celda 8:5 quedaba mas baja que el logo y este se salia */
  .clientes-grid > div { aspect-ratio: 1 / 1; padding: 1.1rem; }
  .clientes-grid img { max-height: 4.6rem; max-width: 88%; }
}

/* ---------- 09 CTA FINAL ---------- */
.cta-final {
  position: relative;
  color: var(--papel);
  text-align: left;
  overflow: hidden;
  isolation: isolate;
  padding-block: clamp(8rem, 22vh, 14rem);
}
.cta-final-media { position: absolute; inset: 0; z-index: -1; }
.cta-final-media img { width: 100%; height: 100%; object-fit: cover; }
.cta-final-media::after { content: ''; position: absolute; inset: 0; background: rgba(22,22,19,0.72); }
.cta-final h2 { font-size: clamp(2.2rem, 5.6vw, 4.8rem); max-width: 14ch; margin-bottom: 1.4rem; }
.cta-final-texto { color: #C9C8C0; max-width: 52ch; margin-bottom: 2.4rem; line-height: 1.6; }
.cta-final .mono { color: var(--acento-claro); margin-bottom: 1.2rem; display: block; }

/* ---------- FOOTER ---------- */
.footer { background: var(--tinta); color: #B9B8B0; padding-block: clamp(3.5rem, 8vh, 5.5rem) 2rem; font-size: 0.92rem; }
.footer a { text-decoration: none; transition: color 0.25s ease; }
.footer a:hover { color: var(--papel); }
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--linea-oscura);
}
.footer-marca { display: flex; align-items: center; gap: 0.6rem; color: var(--papel); font-stretch: 116%; font-weight: 680; font-size: 1.6rem; letter-spacing: 0.04em; }
.footer-marca .marca-icono { height: 1.5em; }
.footer-tag { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--niebla); margin-top: 0.6rem; }
.footer h3 { font-family: var(--mono); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--niebla); margin-bottom: 1.1rem; }
.footer li { margin-bottom: 0.55rem; }
.footer-pendiente { color: var(--niebla); font-style: italic; }
.footer-final {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--niebla);
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }

/* =====================================================================
   PRE-DEVELOPMENT CONSULTING (landing)
   ===================================================================== */
.pd-hero {
  background: var(--tinta);
  color: var(--papel);
  padding: clamp(9rem, 22vh, 13rem) 0 clamp(4rem, 10vh, 6rem);
  position: relative;
  overflow: hidden;
}
.pd-hero-media { position: absolute; inset: 0; opacity: 0.22; }
.pd-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.pd-hero .contenedor { position: relative; }
.pd-hero h1 { font-size: clamp(2.4rem, 6vw, 5.4rem); max-width: 14ch; margin: 1.2rem 0 1.6rem; }
.pd-hero .sub { color: #B9B8B0; max-width: 52ch; font-size: 1.15rem; }
.pd-hero .sub + .sub { margin-top: 1rem; }
.pd-hero .sub--menor { font-size: 0.98rem; color: #9A998F; max-width: 46ch; }
.pd-narrativa {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.6rem;
  margin-top: 3rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--niebla);
}
.pd-narrativa b { color: var(--acento-claro); font-weight: 500; }
.pd-narrativa-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(244,244,240,0.28);
  padding-bottom: 2px;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.pd-narrativa-link:hover, .pd-narrativa-link:focus-visible { color: var(--acento-claro); border-color: var(--acento-claro); }
.pd-narrativa-link--fuerte { color: var(--acento-claro); border-color: rgba(232,150,15,0.45); }

/* Experiencia sticky de 6 fases */
.fases { position: relative; background: var(--papel); }
.fases-viewport { position: relative; }
.fases-panel {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  max-width: var(--ancho-max);
  margin-inline: auto;
  padding: 6rem var(--margen) 4rem;
}
.fase-contenido { position: relative; height: min(38rem, 76vh); }
.fase-item { position: absolute; inset: 0; opacity: 0; pointer-events: none; }
.fase-item--activa { opacity: 1; pointer-events: auto; }
.fase-num {
  font-stretch: 116%;
  font-weight: 680;
  font-size: clamp(4rem, 9vw, 8rem);
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px var(--niebla);
  display: block;
}
.fase-pregunta { font-size: clamp(1.7rem, 3.4vw, 2.9rem); font-stretch: 114%; font-weight: 620; margin: 1.2rem 0 0.4rem; }
.fase-nombre { color: var(--acento); margin-bottom: 1.2rem; display: block; }
.fase-texto { color: var(--grafito); max-width: 46ch; margin-bottom: 1.4rem; font-size: 0.98rem; }
.fase-lista { columns: 2; gap: 2rem; max-width: 46rem; }
.fase-lista li { break-inside: avoid; font-size: 0.85rem; color: var(--grafito); padding: 0.35rem 0; border-bottom: 1px solid var(--linea); }
.fase-visual { position: relative; aspect-ratio: 3 / 2; }
.fase-visual .marco { position: absolute; inset: 0; opacity: 0; }
.fase-visual .marco--activo { opacity: 1; }
.fase-visual img { width: 100%; height: 100%; object-fit: cover; }

.fases-progreso {
  position: absolute;
  left: calc(var(--margen) * 0.5);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  z-index: 5;
}
.fases-progreso i {
  width: 8px; height: 8px;
  transform: rotate(45deg);
  background: var(--linea);
  transition: background-color 0.3s ease;
}
.fases-progreso i.activa { background: var(--acento); }

/* Fallback apilado (móvil o reduced-motion) */
.fases--apilada .fases-panel { min-height: 0; grid-template-columns: 1fr; padding-block: 3rem; }
.fases--apilada .fase-contenido { height: auto; }
.fases--apilada .fase-item { position: relative; inset: auto; opacity: 1; pointer-events: auto; margin-bottom: 4rem; }
.fases--apilada .fase-visual, .fases--apilada .fases-progreso { display: none; }
.fase-item .fase-foto-movil { display: none; }
.fases--apilada .fase-foto-movil { display: block; width: 100%; height: auto; margin-top: 1.6rem; aspect-ratio: 3 / 2; object-fit: cover; }

@media (max-width: 900px) {
  .fase-lista { columns: 1; }
}

/* ---------- Accesibilidad / motion ---------- */
.salto {
  position: absolute;
  left: -100vw;
  top: 0;
}
.salto:focus {
  left: var(--margen);
  top: 1rem;
  z-index: 100;
  background: var(--tinta);
  color: var(--papel);
  padding: 0.8rem 1.2rem;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ---------- Menú de móvil (hamburguesa) ----------
   En pantallas angostas el nav horizontal no cabía: "Contacto" y el selector
   ES|EN se salían de la pantalla. Abajo de 860 px el nav pasa a panel desplegable. */
.header-menu { display: none; }

@media (max-width: 860px) {
  .header-menu {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    margin-left: auto;
    padding: 0;
    background: none;
    border: 0;
    color: inherit;
    cursor: pointer;
  }
  .header-menu span {
    display: block;
    width: 24px;
    height: 2px;
    margin-inline: auto;
    background: currentColor;
    transition: transform 0.3s var(--curva), opacity 0.2s ease;
  }
  .header-menu[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .header-menu[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .header-menu[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .header-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 var(--margen);
    background: var(--papel);
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height 0.35s var(--curva), visibility 0s linear 0.35s;
  }
  .header-nav[data-abierto="true"] {
    max-height: 80vh;
    visibility: visible;
    border-bottom: 1px solid var(--linea);
    transition: max-height 0.35s var(--curva), visibility 0s;
  }
  /* el panel es claro aunque el header siga transparente sobre el hero */
  .header-nav a, .header--solida .header-nav a { color: var(--tinta); }
  .header-nav > a {
    padding: 1.05rem 0;
    border-bottom: 1px solid var(--linea);
  }
  .header-nav > a:last-of-type { border-bottom: 0; }
  .header-nav a::after { display: none; }
  .header-idioma {
    padding: 1.05rem 0;
    border-top: 1px solid var(--linea);
    gap: 0.8rem;
  }
  .header-idioma a { color: var(--tinta); }
}