/* ============================================================================
   GRUPO TERRA — Home
   styles.css
   ----------------------------------------------------------------------------
   Sistema visual basado en el branding oficial de Terra.
   - Paleta:  Earth Orange #DB6923 · Greybone #EFEEEA · Dark Grey #202020
   - Tipografía principal: Helvetica (Helvetica Neue nativa en macOS).
   - Tipografía secundaria: Fira Code (mono) para etiquetas técnicas / índices,
     tal como se usa en el manual de marca. Se carga desde Google Fonts con
     fallback a monospace del sistema (degradación elegante offline).
   - Lenguaje visual: editorial, mucho espacio negativo, retícula fuerte,
     numeración tipo "expediente técnico", líneas finas, imágenes grandes.
   ========================================================================== */

/* ----------------------------------------------------------------------------
   1. TOKENS / CUSTOM PROPERTIES
   ---------------------------------------------------------------------------- */
:root {
  /* Marca */
  --c-bone:        #EFEEEA;   /* Greybone — fondo principal claro */
  --c-bone-soft:   #E7E5DE;   /* variante un punto más profunda */
  --c-bone-line:   #DBD8D0;
  --c-ink:         #202020;   /* Dark Grey — texto / fondos oscuros */
  --c-ink-deep:    #161514;   /* negro cálido para los fondos más profundos */
  --c-orange:      #DB6923;   /* Earth Orange — acento */
  --c-orange-deep: #c25a1b;
  --c-orange-soft: #e8915a;

  /* Texto */
  --c-text:        #232220;
  --c-muted:       #6c685f;   /* gris cálido para textos secundarios (contraste AA sobre bone) */
  --c-orange-text: #A8490C;   /* naranja accesible para etiquetas pequeñas sobre fondo claro */
  --c-muted-on-dark: #a8a39a;

  /* Líneas / separadores */
  --c-line:        rgba(32, 32, 32, 0.14);
  --c-line-strong: rgba(32, 32, 32, 0.28);
  --c-line-on-dark: rgba(239, 238, 234, 0.16);

  /* Tipografía */
  --font-sans: "Helvetica Neue", Helvetica, "Inter", Arial, sans-serif;
  --font-mono: "Fira Code", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  /* Escala tipográfica fluida (desktop-first, responsiva por clamp) */
  --fs-display:  clamp(3.1rem, 9vw, 9.25rem);   /* hero */
  --fs-h1:       clamp(2.5rem, 6.2vw, 6rem);     /* títulos de sección */
  --fs-h2:       clamp(2rem, 4.2vw, 3.6rem);
  --fs-statement:clamp(1.7rem, 3.4vw, 3.15rem);  /* frases potentes */
  --fs-h3:       clamp(1.3rem, 1.8vw, 1.7rem);
  --fs-body-l:   clamp(1.05rem, 1.15vw, 1.3rem);
  --fs-body:     1.0625rem;
  --fs-small:    0.9375rem;
  --fs-eyebrow:  0.72rem;

  /* Espaciado */
  --gutter: clamp(1.25rem, 4vw, 4rem);          /* margen lateral del contenedor */
  --section-y: clamp(5.5rem, 12vh, 11rem);      /* aire vertical entre secciones */
  --maxw: 1680px;

  /* Movimiento */
  --ease:      cubic-bezier(0.16, 1, 0.3, 1);    /* expo-out, premium */
  --ease-inout:cubic-bezier(0.66, 0, 0.34, 1);
  --dur:   0.7s;
  --dur-s: 0.4s;

  --radius: 2px;     /* esquinas casi rectas: lenguaje arquitectónico */
}

/* ----------------------------------------------------------------------------
   2. RESET / BASE
   ---------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  /* Compensa el header fijo al saltar a un ancla */
  scroll-padding-top: clamp(70px, 9vh, 96px);
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bone);
  overflow-x: hidden;
  font-weight: 400;
  /* Evita fondo visible bajo el footer en páginas cortas (p. ej. 404) */
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}
body > main { flex: 1 0 auto; }

/* Cuando el menú móvil está abierto */
body.is-locked { overflow: hidden; }

img, picture, video { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::selection { background: var(--c-orange); color: var(--c-bone); }

/* Tipografía base de titulares */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-feature-settings: "kern" 1;
}

/* ----------------------------------------------------------------------------
   3. UTILIDADES
   ---------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); position: relative; }

/* Etiqueta mono tipo "índice de expediente" */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--c-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before {
  content: "";
  width: 1.8em; height: 1px;
  background: var(--c-orange);
  display: inline-block;
}
.eyebrow--plain::before { display: none; }
.on-dark .eyebrow,
.section--dark .eyebrow { color: var(--c-muted-on-dark); }

.accent { color: var(--c-orange); }

/* Encabezado de sección reutilizable */
.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}
.section-head__title {
  font-size: var(--fs-h1);
  max-width: 16ch;
}
.section-head__intro {
  font-size: var(--fs-body-l);
  color: var(--c-muted);
  max-width: 48ch;
  line-height: 1.5;
}
@media (min-width: 900px) {
  .section-head--split {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: end;
  }
}

/* Línea divisoria fina (lenguaje de plano técnico) */
.rule { height: 1px; background: var(--c-line); border: 0; }

/* ----------------------------------------------------------------------------
   4. BOTONES / ENLACES
   ---------------------------------------------------------------------------- */
.btn {
  --bg: var(--c-ink);
  --fg: var(--c-bone);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.85em;
  padding: 1.05em 1.7em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg);
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  isolation: isolate;
  transition: color var(--dur-s) var(--ease), transform var(--dur-s) var(--ease);
  will-change: transform;
}
.btn__label { position: relative; z-index: 2; }
.btn__arrow {
  position: relative; z-index: 2;
  transition: transform var(--dur-s) var(--ease);
}
/* Relleno naranja que sube desde abajo */
.btn::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--c-orange);
  transform: translateY(101%);
  transition: transform var(--dur-s) var(--ease);
  z-index: 1;
}
.btn:hover { color: #fff; }
.btn:hover::after { transform: translateY(0); }
.btn:hover .btn__arrow { transform: translate(0.25em, -0.25em); }

/* Variante contorno (secundario) */
.btn--ghost {
  --bg: transparent;
  --fg: var(--c-ink);
  border: 1px solid var(--c-line-strong);
}
.btn--ghost:hover { color: #fff; border-color: var(--c-orange); }

/* Sobre fondo oscuro */
.on-dark .btn--ghost,
.section--dark .btn--ghost { --fg: var(--c-bone); border-color: var(--c-line-on-dark); }

/* Enlace de texto con subrayado animado */
.link {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding-bottom: 2px;
}
.link::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(1);
  transform-origin: right;
  transition: transform var(--dur-s) var(--ease);
}
.link:hover { color: var(--c-orange); }
.link:hover::after { transform: scaleX(0); transform-origin: right; }
.link .btn__arrow { transition: transform var(--dur-s) var(--ease); }
.link:hover .btn__arrow { transform: translate(0.25em, -0.25em); }

/* ----------------------------------------------------------------------------
   5. HEADER / NAVEGACIÓN
   ---------------------------------------------------------------------------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: clamp(1rem, 2vw, 1.5rem);
  transition: background var(--dur-s) var(--ease),
              box-shadow var(--dur-s) var(--ease),
              padding var(--dur-s) var(--ease),
              transform var(--dur) var(--ease);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.header__logo img {
  height: clamp(26px, 2.4vw, 34px);
  width: auto;
  transition: opacity var(--dur-s) var(--ease);
}
/* Dos versiones del logo: blanca (sobre hero) y oscura (al hacer scroll) */
.header__logo .logo--dark { display: none; }

/* Estado "scrolled": fondo bone, logo oscuro, hairline inferior */
.header.is-scrolled {
  background: rgba(239, 238, 234, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--c-line);
  padding-block: 0.7rem;
}
.header.is-scrolled .logo--light { display: none; }
.header.is-scrolled .logo--dark { display: block; }
.header.is-scrolled .nav__link,
.header.is-scrolled .header__menu-btn { color: var(--c-ink); }
.header.is-scrolled .nav__link::after { background: var(--c-ink); }

/* Ocultar header al bajar, mostrar al subir (lo controla el JS) */
.header.is-hidden { transform: translateY(-100%); }

/* Navegación desktop */
.nav {
  display: none;
  align-items: center;
  gap: clamp(1.5rem, 2.6vw, 3rem);
}
.nav__link {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-bone);
  padding-block: 0.4em;
  transition: color var(--dur-s) var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--c-bone);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-s) var(--ease);
}
.nav__link:hover { color: var(--c-orange); }
.nav__link:hover::after { transform: scaleX(1); background: var(--c-orange); }

.header__actions { display: flex; align-items: center; gap: 1.1rem; }
.header__cta { display: none; }

/* Conmutador de idioma ES / EN */
.lang-switch {
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--c-bone); transition: color var(--dur-s) var(--ease);
  /* Área táctil ≥44px sin cambio visual */
  padding: 0.9rem 0.6rem; margin: -0.9rem -0.6rem;
}
.header.is-scrolled .lang-switch,
.header--solid .lang-switch { color: var(--c-ink); }
.lang-switch:hover { color: var(--c-orange); }

/* Botón hamburguesa */
.header__menu-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  color: var(--c-bone);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  z-index: 120;
  /* Área táctil ≥44px sin cambio visual */
  padding: 0.85rem 0.5rem; margin: -0.85rem -0.5rem;
}
.menu-icon { display: inline-block; width: 26px; height: 10px; position: relative; }
.menu-icon span {
  position: absolute; left: 0; height: 1.5px; width: 100%;
  background: currentColor;
  transition: transform var(--dur-s) var(--ease), opacity var(--dur-s) var(--ease);
}
.menu-icon span:nth-child(1) { top: 0; }
.menu-icon span:nth-child(2) { bottom: 0; }
body.is-menu-open .menu-icon span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
body.is-menu-open .menu-icon span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

@media (min-width: 1000px) {
  .nav { display: flex; }
  .header__cta { display: inline-flex; }
  .header__menu-btn { display: none; }
}

/* ----------------------------------------------------------------------------
   6. MENÚ MÓVIL (overlay a pantalla completa)
   ---------------------------------------------------------------------------- */
.menu {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: var(--c-ink-deep);
  color: var(--c-bone);
  padding: clamp(5.5rem, 14vh, 8rem) var(--gutter) 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.8s var(--ease);
  pointer-events: none;
}
body.is-menu-open .menu { clip-path: inset(0 0 0 0); pointer-events: auto; }
/* Con el menú abierto, el header (logo + botón Cerrar) debe quedar POR ENCIMA
   del overlay (.menu tiene z-index 110); si no, el botón es intocable. */
body.is-menu-open .header { z-index: 115; }

.menu__nav { display: flex; flex-direction: column; gap: 0.2rem; }
.menu__link {
  font-size: clamp(2.2rem, 9vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  padding-block: 0.15em;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  color: var(--c-bone);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease), color 0.3s var(--ease);
}
.menu__link .idx {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--c-orange);
  transform: translateY(-0.6em);
}
body.is-menu-open .menu__link { opacity: 1; transform: translateY(0); }
/* stagger */
body.is-menu-open .menu__link:nth-child(1) { transition-delay: 0.18s; }
body.is-menu-open .menu__link:nth-child(2) { transition-delay: 0.24s; }
body.is-menu-open .menu__link:nth-child(3) { transition-delay: 0.30s; }
body.is-menu-open .menu__link:nth-child(4) { transition-delay: 0.36s; }
body.is-menu-open .menu__link:nth-child(5) { transition-delay: 0.42s; }
body.is-menu-open .menu__link:nth-child(6) { transition-delay: 0.48s; }
.menu__link:hover { color: var(--c-orange); }

.menu__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 2.5rem;
  justify-content: space-between;
  align-items: flex-end;
  border-top: 1px solid var(--c-line-on-dark);
  padding-top: 1.5rem;
  opacity: 0;
  transition: opacity 0.6s var(--ease) 0.5s;
}
body.is-menu-open .menu__foot { opacity: 1; }
.menu__foot a { font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.06em; color: var(--c-muted-on-dark); display: inline-block; padding-block: 0.6rem; margin-block: -0.6rem; }
.menu__foot a:hover { color: var(--c-orange); }

/* ----------------------------------------------------------------------------
   7. HERO
   ---------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--c-bone);
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  /* leve zoom-out de entrada (cinematográfico) */
  transform: scale(1.08);
  transition: transform 2.4s var(--ease);
}
.hero.is-ready .hero__media img { transform: scale(1); }
/* Scrim para legibilidad del texto */
.hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(15,14,13,0.82) 0%, rgba(15,14,13,0.28) 38%, rgba(15,14,13,0.12) 60%, rgba(15,14,13,0.30) 100%),
    linear-gradient(to right, rgba(15,14,13,0.45) 0%, rgba(15,14,13,0) 55%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-bottom: clamp(2.5rem, 6vh, 4.5rem);
  padding-top: clamp(7rem, 14vh, 9rem);
}
/* Fila superior del hero: eyebrow (izq.) + meta técnica (der.) */
.hero__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: clamp(1.4rem, 3vh, 2.2rem);
}
.hero__eyebrow {
  color: var(--c-bone);
  margin-bottom: 0;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.9s var(--ease) 0.2s, transform 0.9s var(--ease) 0.2s;
}
.hero.is-ready .hero__eyebrow { opacity: 1; transform: none; }
.hero__eyebrow::before { background: var(--c-orange); }
.hero__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(239, 238, 234, 0.72);
  text-align: right;
  display: none;
  opacity: 0;
  transition: opacity 0.9s var(--ease) 0.4s;
}
.hero.is-ready .hero__tag { opacity: 1; }
@media (min-width: 760px) { .hero__tag { display: block; } }

.hero__title {
  font-size: var(--fs-display);
  line-height: 0.95;
  letter-spacing: -0.035em;
  font-weight: 700;
  max-width: 18ch;
}
/* Reveal por líneas (máscara) */
.line { display: block; overflow: hidden; }
.line__inner {
  display: block;
  transform: translateY(110%);
  transition: transform 1s var(--ease);
}
.hero.is-ready .line__inner { transform: translateY(0); }
.hero.is-ready .line:nth-child(1) .line__inner { transition-delay: 0.30s; }
.hero.is-ready .line:nth-child(2) .line__inner { transition-delay: 0.42s; }
.hero.is-ready .line:nth-child(3) .line__inner { transition-delay: 0.54s; }

.hero__bottom {
  margin-top: clamp(1.8rem, 4vh, 3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.8rem;
}
.hero__sub {
  font-size: var(--fs-body-l);
  max-width: 40ch;
  color: rgba(239,238,234,0.86);
  line-height: 1.5;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.9s var(--ease) 0.7s, transform 0.9s var(--ease) 0.7s;
}
.hero.is-ready .hero__sub { opacity: 1; transform: none; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.9s var(--ease) 0.85s, transform 0.9s var(--ease) 0.85s;
}
.hero.is-ready .hero__actions { opacity: 1; transform: none; }
.hero__actions .btn { --bg: var(--c-bone); --fg: var(--c-ink); }
.hero__actions .btn--ghost { --bg: transparent; --fg: var(--c-bone); border-color: rgba(239,238,234,0.4); }

/* Indicador de scroll (centrado abajo, decorativo) */
.scroll-cue {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: clamp(1.4rem, 3.5vh, 2.4rem);
  z-index: 2;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(239,238,234,0.7);
  opacity: 0;
  transition: opacity 0.9s var(--ease) 1.1s;
}
.hero.is-ready .scroll-cue { opacity: 1; }
@media (min-width: 1100px) { .scroll-cue { display: flex; } }
.scroll-cue__line { width: 1px; height: 44px; background: rgba(239,238,234,0.35); position: relative; overflow: hidden; }
.scroll-cue__line::after {
  content: ""; position: absolute; top: -50%; left: 0; width: 100%; height: 50%;
  background: var(--c-orange);
  animation: scrollCue 2.2s var(--ease-inout) infinite;
}
@keyframes scrollCue { 0% { transform: translateY(0); } 100% { transform: translateY(300%); } }

/* ----------------------------------------------------------------------------
   8. INTRO / ESTUDIO
   ---------------------------------------------------------------------------- */
.intro__grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: stretch;   /* la imagen se estira a la altura del texto */
}
@media (min-width: 920px) {
  .intro__grid { grid-template-columns: 1.1fr 0.9fr; }
}
.intro__main { display: flex; flex-direction: column; }
.intro__statement {
  font-size: var(--fs-statement);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.06;
  max-width: 20ch;
}
.intro__statement .accent { font-style: normal; }
.intro__body { margin-top: clamp(1.6rem, 3vw, 2.4rem); display: grid; gap: 1.2rem; }
.intro__body p { font-size: var(--fs-body-l); color: var(--c-muted); line-height: 1.55; max-width: 52ch; }
.intro__aside { display: flex; }
.intro__figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4 / 5;
  width: 100%;
}
/* En desktop la imagen ocupa toda la altura de la columna de texto (sin huecos) */
@media (min-width: 920px) {
  .intro__figure { aspect-ratio: auto; height: 100%; min-height: 460px; }
}
.intro__figure img { width: 100%; height: 100%; object-fit: cover; }
/* Los datos clave se anclan al fondo para alinear con la base de la imagen */
.intro__stats { margin-top: clamp(2rem, 4vw, 2.6rem); }
@media (min-width: 920px) { .intro__stats { margin-top: auto; } }
.intro__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.intro__stat { background: var(--c-bone); padding: 1.3rem 1.4rem; }
.intro__stat dt { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--c-muted); margin-bottom: 0.5rem; }
.intro__stat dd { font-size: clamp(1.4rem, 2.4vw, 2.1rem); font-weight: 700; letter-spacing: -0.02em; }

/* ----------------------------------------------------------------------------
   9. PROYECTOS (grid editorial estilo BIG)
   ---------------------------------------------------------------------------- */
.projects { background: var(--c-bone); }
/* Retícula de 12 columnas. Se varía el ANCHO de cada tarjeta (7/5/6) para dar
   ritmo, pero la ALTURA de la imagen es fija en cada fila → nunca hay
   superposición y los textos quedan siempre debajo, legibles. */
.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.2rem, 3.4vw, 3.4rem) clamp(1.5rem, 2vw, 2rem);
  align-items: start;
}
@media (min-width: 760px) { .projects__grid { grid-template-columns: repeat(12, 1fr); } }

/* Tarjeta */
.project {
  position: relative;
  display: block;
  grid-column: 1 / -1;   /* full en móvil */
}
@media (min-width: 760px) {
  .project      { grid-column: span 6; }  /* mitad por defecto */
  .project--w7  { grid-column: span 7; }
  .project--w5  { grid-column: span 5; }
}
.project__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  height: clamp(300px, 46vw, 420px);
  background: var(--c-bone-soft);
}
@media (min-width: 760px)  { .project__media { height: clamp(300px, 30vw, 440px); } }
@media (min-width: 1280px) { .project__media { height: clamp(420px, 30vw, 520px); } }
.project__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 1.1s var(--ease), filter 1.1s var(--ease);
  will-change: transform;
}
.project__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(20,19,18,0.55), rgba(20,19,18,0) 55%);
  opacity: 0.5;
  transition: opacity var(--dur) var(--ease);
}
.project:hover .project__media img { transform: scale(1.07); }
.project:hover .project__media::after { opacity: 0.85; }

/* Índice flotante */
.project__index {
  position: absolute;
  top: 1rem; left: 1.1rem;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--c-bone);
  mix-blend-mode: difference;
}
/* Flecha que aparece en hover */
.project__go {
  position: absolute;
  top: 1rem; right: 1.1rem;
  z-index: 2;
  width: 2.6rem; height: 2.6rem;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--c-orange);
  color: #fff;
  transform: scale(0.4);
  opacity: 0;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.project:hover .project__go { transform: scale(1); opacity: 1; }

/* Pie de tarjeta */
.project__info {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0.2rem 0;
}
.project__name { font-size: var(--fs-h3); font-weight: 700; letter-spacing: -0.02em; }
.project__name .meta-area { color: var(--c-muted); font-weight: 400; font-size: 0.8em; white-space: nowrap; }
.project__cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted);
  white-space: nowrap;
}
.project__place {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  margin-top: 0.35rem;
}
.projects__foot { margin-top: clamp(2.5rem, 5vw, 4rem); display: flex; justify-content: center; }

/* ----------------------------------------------------------------------------
   10. SERVICIOS / DISCIPLINAS (lista editorial con hover)
   ---------------------------------------------------------------------------- */
.disciplines { background: var(--c-ink); color: var(--c-bone); position: relative; }
.disciplines .section-head__intro { color: var(--c-muted-on-dark); }
.disc-list { border-top: 1px solid var(--c-line-on-dark); }
.disc {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
  align-items: start;
  padding: clamp(1.6rem, 3vw, 2.4rem) clamp(1.2rem, 2vw, 1.8rem);
  border-bottom: 1px solid var(--c-line-on-dark);
  overflow: hidden;
  transition: padding-left var(--dur) var(--ease);
}
@media (min-width: 860px) {
  .disc { grid-template-columns: 5rem 1.1fr 1.4fr auto; gap: 1.2rem 1.6rem; align-items: center; }
}
/* Imagen de fondo que se revela al pasar el cursor */
.disc__bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.12);
  transition: opacity 0.7s var(--ease), transform 1.4s var(--ease);
  pointer-events: none;
}
/* Capa oscura para garantizar la legibilidad del texto sobre la imagen */
.disc__bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(18,17,16,0.92) 0%, rgba(18,17,16,0.72) 55%, rgba(18,17,16,0.58) 100%);
}
.disc:hover .disc__bg { opacity: 1; transform: scale(1); }
/* Contenido siempre por encima de la imagen */
.disc__idx, .disc__name, .disc__desc, .disc__plus { position: relative; z-index: 2; }
.disc__idx { font-family: var(--font-mono); font-size: 0.8rem; color: var(--c-orange); letter-spacing: 0.08em; }
.disc__name { font-size: clamp(1.5rem, 3vw, 2.6rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.05; }
.disc__desc { color: rgba(239, 238, 234, 0.74); font-size: var(--fs-body); max-width: 46ch; line-height: 1.5; }
.disc:hover .disc__desc { color: rgba(239, 238, 234, 0.92); }
.disc__plus {
  width: 2.4rem; height: 2.4rem;
  border: 1px solid var(--c-line-on-dark);
  border-radius: 50%;
  display: none; place-items: center;
  color: var(--c-bone);
  transition: background var(--dur-s) var(--ease), color var(--dur-s) var(--ease), transform var(--dur-s) var(--ease), border-color var(--dur-s) var(--ease);
  flex: none;
}
@media (min-width: 860px) { .disc__plus { display: grid; } }
/* Barra naranja al borde izquierdo en hover */
.disc::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--c-orange);
  z-index: 3;
  transform: scaleY(0); transform-origin: top;
  transition: transform var(--dur) var(--ease);
}
.disc:hover::before { transform: scaleY(1); }
@media (min-width: 860px) { .disc:hover { padding-left: clamp(1.8rem, 3vw, 2.6rem); } }
.disc:hover .disc__plus { background: var(--c-orange); border-color: var(--c-orange); color: #fff; transform: rotate(90deg); }

/* ----------------------------------------------------------------------------
   11. PROCESO (timeline vertical con reveal)
   ---------------------------------------------------------------------------- */
.process__grid { display: grid; gap: clamp(2rem, 5vw, 4rem); }
.process__intro { position: static; }
@media (min-width: 940px) {
  .process__grid { grid-template-columns: 0.8fr 1.2fr; align-items: start; }
  .process__intro { position: sticky; top: clamp(6rem, 12vh, 9rem); }
}
.process__lead { font-size: var(--fs-body-l); color: var(--c-muted); max-width: 38ch; margin-top: 1.4rem; line-height: 1.55; }

.steps { display: grid; gap: 0; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.4rem 1.8rem;
  padding: clamp(1.6rem, 3vw, 2.4rem) 0;
  border-top: 1px solid var(--c-line);
  position: relative;
}
.step:last-child { border-bottom: 1px solid var(--c-line); }
.step__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--c-orange-text);
  padding-top: 0.35rem;
}
.step__title { font-size: clamp(1.4rem, 2.4vw, 2.1rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.5rem; }
.step__desc { color: var(--c-muted); font-size: var(--fs-body); max-width: 50ch; line-height: 1.55; }

/* ----------------------------------------------------------------------------
   12. MANIFIESTO (full-bleed con parallax)
   ---------------------------------------------------------------------------- */
.manifesto {
  position: relative;
  min-height: 92svh;
  display: flex;
  align-items: center;
  color: var(--c-bone);
  overflow: hidden;
  isolation: isolate;
}
.manifesto__media { position: absolute; inset: -12% 0; z-index: -2; }
.manifesto__media img { width: 100%; height: 100%; object-fit: cover; will-change: transform; }
.manifesto::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to right, rgba(15,14,13,0.82), rgba(15,14,13,0.45) 70%, rgba(15,14,13,0.3));
}
.manifesto__inner { padding-block: clamp(4rem, 10vh, 8rem); }
.manifesto__text {
  font-size: var(--fs-statement);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  max-width: 24ch;
}
.manifesto__text .accent { color: var(--c-orange); }
.manifesto__sign {
  margin-top: clamp(2rem, 4vw, 3rem);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(239,238,234,0.78);
}

/* ----------------------------------------------------------------------------
   13. MÉTRICAS / HIGHLIGHTS
   ---------------------------------------------------------------------------- */
.stats { background: var(--c-ink-deep); color: var(--c-bone); }
.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--c-line-on-dark);
  border: 1px solid var(--c-line-on-dark);
}
@media (min-width: 860px) { .stats__grid { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--c-ink-deep); padding: clamp(2rem, 4vw, 3.2rem) clamp(1.4rem, 2.5vw, 2.2rem); }
.stat__num {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--c-bone);
}
.stat__num .unit { color: var(--c-orange); }
.stat__label { margin-top: 1rem; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-muted-on-dark); line-height: 1.5; }

/* ----------------------------------------------------------------------------
   14. INSIGHTS / PUBLICACIONES
   ---------------------------------------------------------------------------- */
.insights__grid { display: grid; gap: clamp(1.8rem, 3vw, 2.6rem); }
@media (min-width: 760px) { .insights__grid { grid-template-columns: repeat(3, 1fr); } }
.insight { display: block; }
.insight__media { position: relative; overflow: hidden; border-radius: var(--radius); aspect-ratio: 4 / 3; margin-bottom: 1.2rem; }
.insight__media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: transform 1.1s var(--ease); }
.insight:hover .insight__media img { transform: scale(1.07); }
.insight__cat { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-orange-text); }
.insight__date { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; color: var(--c-muted); }
.insight__head { display: flex; gap: 1rem; justify-content: space-between; margin-bottom: 0.7rem; }
.insight__title { font-size: var(--fs-h3); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; transition: color var(--dur-s) var(--ease); }
.insight:hover .insight__title { color: var(--c-orange); }

/* ----------------------------------------------------------------------------
   15. CTA FINAL
   ---------------------------------------------------------------------------- */
.cta { background: var(--c-orange); color: var(--c-bone); position: relative; overflow: hidden; }
.cta__inner { text-align: center; display: grid; justify-items: center; gap: clamp(1.8rem, 4vw, 2.8rem); }
.cta__eyebrow { color: #fff; } /* 100% blanco: contraste AA sobre naranja */
.cta__eyebrow::before { background: var(--c-bone); }
.cta__title {
  font-size: clamp(2.6rem, 8vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
  max-width: 16ch;
}
.cta__actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.cta .btn { --bg: var(--c-ink); --fg: var(--c-bone); }
.cta .btn::after { background: var(--c-bone); }
.cta .btn:hover { color: var(--c-ink); }
.cta__contacts {
  display: flex; flex-wrap: wrap; gap: 0.6rem 2.5rem; justify-content: center;
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.92);
  border-top: 1px solid rgba(255,255,255,0.28);
  padding-top: clamp(1.6rem, 3vw, 2.2rem);
  width: 100%;
  max-width: 900px;
}
.cta__contacts a:hover { color: var(--c-ink); }

/* ----------------------------------------------------------------------------
   16. FOOTER
   ---------------------------------------------------------------------------- */
.footer { background: var(--c-ink-deep); color: var(--c-bone); padding-top: clamp(3.5rem, 7vw, 6rem); }
.footer__top {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--c-line-on-dark);
}
@media (min-width: 820px) { .footer__top { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer__brand img { height: 34px; width: auto; margin-bottom: 1.4rem; }
.footer__tag { color: var(--c-muted-on-dark); max-width: 32ch; font-size: var(--fs-body); line-height: 1.55; }
.footer__col h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--c-muted-on-dark); margin-bottom: 1.2rem; font-weight: 500; }
.footer__col ul { list-style: none; padding: 0; display: grid; gap: 0.7rem; }
.footer__col a { color: var(--c-bone); font-size: var(--fs-body); transition: color var(--dur-s) var(--ease); display: inline-block; padding-block: 0.55rem; margin-block: -0.55rem; }
.footer__col a:hover { color: var(--c-orange); }
.footer__bottom {
  display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; justify-content: space-between;
  padding-block: 2rem;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; color: var(--c-muted-on-dark);
}
.footer__bottom a:hover { color: var(--c-orange); }
.to-top { display: inline-flex; align-items: center; gap: 0.6em; }
.to-top:hover { color: var(--c-orange); }

/* ----------------------------------------------------------------------------
   17. SISTEMA DE REVELADO AL SCROLL
   ---------------------------------------------------------------------------- */
/* Solo se oculta si hay JS (html.js lo añade main.js); sin JS todo es visible */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
html.js [data-reveal="fade"] { transform: none; }
html.js [data-reveal].is-in { opacity: 1; transform: none; }

/* ----------------------------------------------------------------------------
   18. ACCESIBILIDAD — prefers-reduced-motion
   ---------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero__media img { transform: none !important; }
  .line__inner { transform: none !important; }
  .menu__link { opacity: 1 !important; transform: none !important; }
  .scroll-cue__line::after { display: none; }
}

/* Foco visible accesible */
:focus-visible { outline: 2px solid var(--c-orange); outline-offset: 3px; border-radius: 1px; }

/* Botón flotante de WhatsApp — lo inyecta main.js */
.wa-fab {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 90;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  background: #25D366;
  border-radius: 50%;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  transition: transform var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease);
}
.wa-fab:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 10px 26px rgba(0, 0, 0, 0.3); }
.wa-fab svg { width: 30px; height: 30px; fill: #fff; }
@media (max-width: 600px) { .wa-fab { width: 52px; height: 52px; } .wa-fab svg { width: 28px; height: 28px; } }

/* Salto al contenido (accesibilidad de teclado) — lo inyecta main.js */
.skip-link {
  position: fixed; top: 0.6rem; left: 0.6rem; z-index: 500;
  background: var(--c-ink); color: var(--c-bone);
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.08em;
  padding: 0.7em 1.1em; border-radius: var(--radius);
  transform: translateY(-160%); transition: transform 0.25s var(--ease);
}
.skip-link:focus { transform: translateY(0); outline: 2px solid var(--c-orange); }

/* ============================================================================
   19. PÁGINAS INTERNAS (proyectos, detalle, estudio, contacto)
   ========================================================================== */

/* Header sólido permanente (páginas sin hero oscuro detrás) */
.header--solid {
  background: rgba(239, 238, 234, 0.9);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--c-line);
}
.header--solid .logo--light { display: none; }
.header--solid .logo--dark { display: block; }
.header--solid .nav__link { color: var(--c-ink); }
.header--solid .nav__link::after { background: var(--c-ink); }
.header--solid .header__menu-btn { color: var(--c-ink); }
.header--solid .btn.header__cta { --bg: var(--c-ink); --fg: var(--c-bone); }

/* Cabecera de página */
.page-hero {
  padding-top: clamp(8.5rem, 17vh, 12.5rem);
  padding-bottom: clamp(2.5rem, 5vh, 4rem);
}
.page-hero--line { border-bottom: 1px solid var(--c-line); }
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
  display: flex;
  gap: 0.6em;
  margin-bottom: clamp(1.8rem, 4vh, 2.8rem);
}
.breadcrumb a:hover { color: var(--c-orange); }
.breadcrumb span { color: var(--c-orange-text); }
.page-hero__title {
  font-size: var(--fs-h1);
  letter-spacing: -0.03em;
  max-width: 18ch;
}
.page-hero__intro {
  margin-top: clamp(1.4rem, 3vw, 2rem);
  font-size: var(--fs-body-l);
  color: var(--c-muted);
  max-width: 56ch;
  line-height: 1.55;
}
.page-hero__row {
  display: grid; gap: clamp(1.5rem, 3vw, 2.5rem);
}
@media (min-width: 900px) { .page-hero__row { grid-template-columns: 1.2fr 0.8fr; align-items: end; } }

/* Barra de filtros (índice de proyectos) */
.filters {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  padding-block: clamp(1.5rem, 3vw, 2.2rem);
  border-bottom: 1px solid var(--c-line);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.filter {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.7em 1.15em;
  border: 1px solid var(--c-line-strong);
  border-radius: 100px;
  color: var(--c-text);
  transition: color var(--dur-s) var(--ease), background var(--dur-s) var(--ease), border-color var(--dur-s) var(--ease);
}
.filter:hover { border-color: var(--c-ink); }
.filter.is-active { background: var(--c-ink); color: var(--c-bone); border-color: var(--c-ink); }
.project.is-hidden { display: none; }

/* ---- Detalle de proyecto ---- */
.pd-hero { position: relative; height: clamp(58vh, 70vh, 82vh); overflow: hidden; margin-top: 0; }
.pd-hero img { width: 100%; height: 100%; object-fit: cover; }
.pd-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(20,19,18,0.7), rgba(20,19,18,0.05) 45%, rgba(20,19,18,0.25)); }
.pd-hero__cap {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  color: var(--c-bone);
  padding-bottom: clamp(2rem, 5vh, 3.5rem);
}
.pd-hero__eyebrow { color: var(--c-bone); margin-bottom: 1rem; }
.pd-hero__eyebrow::before { background: var(--c-orange); }
.pd-hero__title { font-size: clamp(2.6rem, 7vw, 6rem); letter-spacing: -0.035em; line-height: 0.98; }

.pd-body { display: grid; gap: clamp(2.5rem, 5vw, 4.5rem); }
@media (min-width: 960px) { .pd-body { grid-template-columns: 1.6fr 0.9fr; align-items: start; } }
.pd-lead { font-size: var(--fs-statement); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; max-width: 22ch; margin-bottom: clamp(1.6rem, 3vw, 2.4rem); }
.pd-text p { font-size: var(--fs-body-l); color: var(--c-muted); line-height: 1.6; max-width: 60ch; margin-bottom: 1.2rem; }

/* Ficha técnica (sticky) */
.specs {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (min-width: 960px) { .specs { position: sticky; top: clamp(6rem, 12vh, 8rem); } }
.spec {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 1.05rem 1.3rem;
  border-bottom: 1px solid var(--c-line);
}
.spec:last-child { border-bottom: 0; }
.spec dt { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-muted); }
.spec dd { font-weight: 600; text-align: right; }
.specs__cta { padding: 1.3rem; background: var(--c-ink); }
.specs__cta .btn { width: 100%; justify-content: center; --bg: var(--c-orange); --fg:#fff; }
.specs__cta .btn::after { background: #fff; }
.specs__cta .btn:hover { color: var(--c-ink); }

/* Galería */
.gallery { display: grid; gap: clamp(1rem, 2vw, 1.6rem); }
@media (min-width: 700px) { .gallery { grid-template-columns: repeat(6, 1fr); } }
.gallery__item { overflow: hidden; border-radius: var(--radius); grid-column: 1 / -1; }
@media (min-width: 700px) {
  .gallery__item { grid-column: span 3; height: clamp(280px, 30vw, 420px); }
  .gallery__item--wide { grid-column: span 6; height: clamp(340px, 42vw, 620px); }
}
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.gallery__item:hover img { transform: scale(1.05); }

/* Navegación entre proyectos */
.pd-next {
  border-top: 1px solid var(--c-line);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding-block: clamp(2rem, 4vw, 3rem);
}
.pd-next__label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-muted); margin-bottom: 0.5rem; }
.pd-next__name { font-size: clamp(1.6rem, 3.4vw, 2.6rem); font-weight: 700; letter-spacing: -0.02em; transition: color var(--dur-s) var(--ease); }
.pd-next:hover .pd-next__name { color: var(--c-orange); }

/* ---- Estudio: bloques ---- */
.split {
  display: grid; gap: clamp(2.5rem, 5vw, 5rem); align-items: center;
}
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } .split--reverse .split__media { order: -1; } }
.split__media { overflow: hidden; border-radius: var(--radius); aspect-ratio: 4 / 3; }
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.split__title { font-size: var(--fs-h2); letter-spacing: -0.025em; margin-bottom: 1.4rem; }
.split__text p { font-size: var(--fs-body-l); color: var(--c-muted); line-height: 1.6; margin-bottom: 1rem; max-width: 52ch; }

.values { display: grid; gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; }
@media (min-width: 640px) { .values { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .values { grid-template-columns: repeat(3, 1fr); } }
.value { background: var(--c-bone); padding: clamp(1.6rem, 3vw, 2.4rem); }
.value__idx { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; color: var(--c-orange-text); }
.value__title { font-size: var(--fs-h3); font-weight: 700; letter-spacing: -0.02em; margin: 0.9rem 0 0.6rem; }
.value__desc { color: var(--c-muted); font-size: var(--fs-body); line-height: 1.55; }

/* ---- Contacto: formulario ---- */
.contact-grid { display: grid; gap: clamp(2.5rem, 5vw, 4.5rem); }
@media (min-width: 940px) { .contact-grid { grid-template-columns: 1.3fr 0.7fr; align-items: start; } }
.form { display: grid; gap: 1.5rem; }
.form__row { display: grid; gap: 1.5rem; }
@media (min-width: 620px) { .form__row--2 { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 0.5rem; }
.field label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-muted); }
.field input, .field select, .field textarea {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--c-text);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--c-line-strong);
  padding: 0.75rem 0.1rem;
  border-radius: 0;
  transition: border-color var(--dur-s) var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--c-orange); }
.field select {
  -webkit-appearance: none; appearance: none; cursor: pointer;
  /* Chevron para que se reconozca como desplegable */
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="8" viewBox="0 0 12 8"><path d="M1 1l5 5 5-5" fill="none" stroke="%23807a72" stroke-width="1.5"/></svg>');
  background-repeat: no-repeat;
  background-position: right 0.2rem center;
  padding-right: 1.6rem;
}
.form__actions { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; margin-top: 0.5rem; }
.form__note { font-size: 0.85rem; color: var(--c-muted); }

.contact-info { display: grid; gap: 1.8rem; align-content: start; }
.contact-info__block h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-muted); margin-bottom: 0.6rem; }
.contact-info__block a, .contact-info__block p { font-size: var(--fs-body-l); color: var(--c-text); }
.contact-info__block a:hover { color: var(--c-orange); }
.contact-badge {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--c-orange-text); border: 1px solid var(--c-orange-text); border-radius: 100px; padding: 0.5em 1em;
}
.contact-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--c-orange); animation: pulse 2s var(--ease-inout) infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ============================================================================
   20. ANIMACIONES ADICIONALES
   ========================================================================== */

/* 20.1 — Fade-in suave de página (multipágina sin parpadeo blanco) */
@keyframes pageIn { from { opacity: 0; } to { opacity: 1; } }
body { animation: pageIn 0.55s var(--ease) both; }

/* 20.2 — Reveal de entrada para el hero del detalle de proyecto */
.pd-hero__eyebrow, .pd-hero__title {
  opacity: 0; transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.pd-hero.is-ready .pd-hero__eyebrow { opacity: 1; transform: none; transition-delay: 0.15s; }
.pd-hero.is-ready .pd-hero__title  { opacity: 1; transform: none; transition-delay: 0.28s; }
/* leve zoom-out cinematográfico de la imagen */
.pd-hero img { transform: scale(1.07); transition: transform 2.2s var(--ease); }
.pd-hero.is-ready img { transform: scale(1); }

/* 20.3 — Cursor personalizado "Ver" sobre medios (solo puntero fino) */
.vcursor {
  position: fixed; top: 0; left: 0; z-index: 300;
  padding: 0.75em 1.15em; border-radius: 100px;
  background: var(--c-orange); color: #fff;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
  white-space: nowrap; pointer-events: none;
  transform: translate(-50%, -50%) scale(0.4); opacity: 0;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  will-change: transform;
}
.vcursor.is-active { opacity: 1; transform: translate(-50%, -50%) scale(1); }
/* En hover con cursor personalizado, ocultamos la flecha de esquina redundante */
@media (pointer: fine) {
  body.has-vcursor .project:hover .project__go { opacity: 0; }
}

/* 20.4 — Aparición escalonada al filtrar el índice de proyectos */
@keyframes cardIn { from { opacity: 0; transform: translateY(18px) scale(0.985); } to { opacity: 1; transform: none; } }
.project.is-appearing { animation: cardIn 0.55s var(--ease) both; }

/* 20.5 — Banda de texto en movimiento (marquee) */
.marquee { overflow: hidden; background: var(--c-ink); color: var(--c-bone); padding-block: clamp(1.4rem, 3vw, 2.2rem); }
.marquee__track { display: inline-flex; align-items: center; white-space: nowrap; will-change: transform; animation: marquee 32s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  font-size: clamp(1.6rem, 3.2vw, 2.8rem); font-weight: 700; letter-spacing: -0.02em;
  padding: 0 clamp(1.2rem, 2.5vw, 2.2rem); display: inline-flex; align-items: center; gap: clamp(1.2rem, 2.5vw, 2.2rem);
}
.marquee__item::after { content: "✳"; color: var(--c-orange); font-size: 0.6em; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* 20.6 — Barra de progreso de lectura (top) */
.progress-bar { position: fixed; top: 0; left: 0; height: 2px; width: 100%; transform: scaleX(0); transform-origin: left; background: var(--c-orange); z-index: 130; }

/* 20.7 — Reveal con leve escala para imágenes grandes */
html.js [data-reveal="media"] { opacity: 0; transform: scale(1.04); transition: opacity 1s var(--ease), transform 1.2s var(--ease); }
html.js [data-reveal="media"].is-in { opacity: 1; transform: none; }

/* Respeto a reduced-motion para lo nuevo */
@media (prefers-reduced-motion: reduce) {
  body { animation: none; }
  .marquee__track { animation: none; }
  .pd-hero__eyebrow, .pd-hero__title { opacity: 1 !important; transform: none !important; }
  .pd-hero img { transform: none !important; }
  .project.is-appearing { animation: none; }
  .contact-badge::before { animation: none; }
  [data-reveal="media"] { opacity: 1 !important; transform: none !important; }
}

/* ============================================================================
   21. MEJORAS FINALES: lightbox · scrollspy · línea de proceso · transición
   ========================================================================== */

/* 21.1 — Transición de salida entre páginas (fade-out) */
body.is-leaving { opacity: 0; transition: opacity 0.35s var(--ease); }
@media (prefers-reduced-motion: reduce) { body.is-leaving { opacity: 1; transition: none; } }

/* 21.2 — Estado activo del menú (scrollspy) */
.nav__link.is-current { color: var(--c-orange); }
.nav__link.is-current::after { transform: scaleX(1); background: var(--c-orange); }

/* 21.3 — Línea de proceso que se dibuja al hacer scroll */
.steps { position: relative; padding-left: clamp(1.6rem, 3vw, 2.4rem); --dot: 7px; }
.steps__track, .steps__fill {
  position: absolute; left: 0; top: 0; width: 2px; border-radius: 2px;
}
.steps__track { bottom: 0; background: var(--c-line); }
.steps__fill { height: 0; background: var(--c-orange); }
/* nodo por paso */
.step::before {
  content: ""; position: absolute;
  left: calc(-1 * clamp(1.6rem, 3vw, 2.4rem) - 3px);
  top: clamp(1.6rem, 3vw, 2.4rem);
  width: var(--dot); height: var(--dot); border-radius: 50%;
  background: var(--c-bone); border: 2px solid var(--c-line-strong);
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), transform 0.35s var(--ease);
}
.step.is-active::before { background: var(--c-orange); border-color: var(--c-orange); transform: scale(1.25); }
.step__num { transition: color 0.35s var(--ease); }
.step.is-active .step__num { color: var(--c-orange); }

/* 21.4 — Lightbox de galería */
.lightbox {
  position: fixed; inset: 0; z-index: 400;
  display: flex; align-items: center; justify-content: center;
  background: rgba(15, 14, 13, 0.94);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s var(--ease);
  padding: clamp(1rem, 4vw, 3rem);
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__img {
  max-width: min(1200px, 92vw); max-height: 84vh;
  object-fit: contain; border-radius: var(--radius);
  transform: scale(0.96); transition: transform 0.45s var(--ease);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.lightbox.is-open .lightbox__img { transform: scale(1); }
.lightbox__btn {
  position: absolute; z-index: 2;
  width: 3.2rem; height: 3.2rem; display: grid; place-items: center;
  color: var(--c-bone); border: 1px solid var(--c-line-on-dark); border-radius: 50%;
  font-size: 1.4rem; background: rgba(255,255,255,0.04);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.lightbox__btn:hover { background: var(--c-orange); border-color: var(--c-orange); color: #fff; }
.lightbox__close { top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); }
.lightbox__prev { left: clamp(0.6rem, 3vw, 2rem); top: 50%; transform: translateY(-50%); }
.lightbox__next { right: clamp(0.6rem, 3vw, 2rem); top: 50%; transform: translateY(-50%); }
.lightbox__count {
  position: absolute; bottom: clamp(1rem, 3vw, 2rem); left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.14em; color: var(--c-muted-on-dark);
}
@media (max-width: 620px) {
  .lightbox__prev { left: 0.6rem; } .lightbox__next { right: 0.6rem; }
  .lightbox__btn { width: 2.6rem; height: 2.6rem; font-size: 1.1rem; }
}
@media (prefers-reduced-motion: reduce) {
  .lightbox, .lightbox__img { transition: none; }
  .lightbox__img { transform: none; }
}
/* Cursor de ampliar sobre la galería */
.gallery__item { cursor: pointer; }

/* ============================================================================
   22. OPTIMIZACIÓN PARA WEB / MÓVIL
   ========================================================================== */
/* <picture> se comporta como bloque y llena el contenedor (para object-fit) */
picture { display: block; }
:where(.hero__media, .project__media, .intro__figure, .manifesto__media,
       .insight__media, .gallery__item, .pd-hero, .split__media) picture {
  width: 100%; height: 100%;
}
/* En móvil / táctil no cargamos las imágenes de fondo de Disciplinas
   (solo se ven en hover, que no existe en el móvil): ahorra ancho de banda. */
@media (hover: none), (pointer: coarse) {
  .disc__bg { background-image: none !important; }
}

/* ============================================================================
   23. AFINADO MÓVIL — que las estructuras se sientan intencionales en el teléfono
   ========================================================================== */
@media (max-width: 680px) {
  :root {
    --section-y: 3.6rem;   /* menos aire vertical (antes ~5.5rem): secciones mejor conectadas */
    --gutter: 1.4rem;
  }

  /* Titulares y encabezados un punto más contenidos */
  .section-head { margin-bottom: 2.3rem; }
  .hero__title { line-height: 0.98; }

  /* HERO: CTAs a ancho completo → mejores objetivos de toque */
  .hero__bottom { gap: 1.4rem; }
  .hero__actions { width: 100%; gap: 0.7rem; }
  .hero__actions .btn { flex: 1 1 100%; justify-content: center; }

  /* ESTUDIO: la imagen va PRIMERO en móvil (mejor jerarquía visual),
     luego el texto y los datos clave */
  .intro__aside { order: -1; }
  .intro__figure { aspect-ratio: 16 / 10; min-height: 0; }
  .intro__stats { margin-top: 0.5rem; }

  /* Métricas: números un poco menos gigantes para respirar */
  .stat { padding: 1.6rem 1.3rem; }

  /* Manifiesto y héroes internos: menos altos en móvil */
  .manifesto { min-height: 76svh; }
  .manifesto__inner { padding-block: 4rem; }
  .pd-hero { height: 60svh; }

  /* Proceso: la línea/nodos más pegados al texto */
  .steps { padding-left: 1.35rem; }
  .step::before { left: calc(-1 * 1.35rem - 3px); top: 1.7rem; }

  /* CTA final: botón(es) a ancho completo */
  .cta__actions { width: 100%; }
  .cta__actions .btn { flex: 1 1 100%; justify-content: center; }

  /* Formulario: acción apilada y botón cómodo */
  .form__actions { flex-direction: column; align-items: stretch; gap: 1rem; }
  .form__actions .btn { justify-content: center; }
  .form__note { text-align: center; }

  /* Galería del detalle: alturas más contenidas */
  .gallery__item { height: clamp(240px, 60vw, 320px); }
  .gallery__item--wide { height: clamp(240px, 66vw, 360px); }

  /* Detalle de proyecto: separar ficha del texto */
  .pd-body { gap: 2.2rem; }
}

/* Teléfonos muy estrechos (≤360 px): evita que los titulares aprieten */
@media (max-width: 360px) {
  :root { --fs-display: clamp(2.7rem, 13vw, 3.1rem); }
  .marquee__item { font-size: 1.5rem; }
}

/* Características del proyecto (chips) */
.pd-features {
  list-style: none; padding: 0; margin: 1.9rem 0 0;
  display: flex; flex-wrap: wrap; gap: 0.6rem;
}
.pd-features li {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--c-muted); border: 1px solid var(--c-line); border-radius: 100px; padding: 0.55em 0.95em;
}

/* ============================================================================
   PÁGINAS LEGALES (Privacidad / Cookies) — prosa
   ============================================================================ */
.legal h2 { font-size: clamp(1.15rem, 1.8vw, 1.45rem); font-weight: 700; letter-spacing: -0.01em; color: var(--c-ink); margin: 2.2rem 0 0.6rem; }
.legal h2:first-of-type { margin-top: 0.5rem; }
.legal p { color: var(--c-text); line-height: 1.7; margin-bottom: 1rem; }
.legal ul { color: var(--c-text); line-height: 1.7; margin: 0 0 1.1rem 1.2rem; padding: 0; }
.legal li { margin-bottom: 0.5rem; }
.legal a { color: var(--c-orange-text); text-decoration: underline; text-underline-offset: 2px; }
.legal a:hover { color: var(--c-orange-deep); }
.legal strong { color: var(--c-ink); font-weight: 600; }

/* Enlaces legales dentro del pie (Privacidad · Cookies) */
.footer__bottom span a { color: inherit; text-decoration: underline; text-underline-offset: 2px; opacity: 0.82; }
.footer__bottom span a:hover { opacity: 1; }