/* =====================================================================
   LFESPINOSA — Hero V4  ·  styles.css
   DEL CÓDIGO A LAS DECISIONES
   Experiencia editorial interactiva · dos estados (home / approach)
   Dark premium · CSS puro · sin dependencias
   ===================================================================== */

:root {
  --bg:         #070B09;
  --bg-soft:    #0b1310;
  --fg:         #F2F4F1;
  --fg-dim:     rgba(242,244,241,0.62);
  --fg-faint:   rgba(242,244,241,0.38);
  --line:       rgba(242,244,241,0.08);
  --line-mid:   rgba(242,244,241,0.14);
  --green:      #00F1C9;
  --green-soft: rgba(0,241,201,0.10);
  --green-dim:  rgba(0,241,201,0.50);

  --font-display: "Helvetica Neue","Inter",system-ui,-apple-system,
    "Segoe UI",Roboto,Arial,sans-serif;
  --font-mono: ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,
    monospace;

  --ease:     cubic-bezier(0.22,0.61,0.24,1);
  --ease-out: cubic-bezier(0.16,1,0.3,1);
  --ease-flip: cubic-bezier(0.22,1,0.36,1);
  --flip-dur: 0.7s;
  --maxw: 1360px;
  --pad:  clamp(20px,4vw,64px);
  --nav-h: 64px;
}

/* ---------- Reset / base ---------- */
*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

img,svg { display: block; max-width: 100%; }

/* ---------- Luz ambiental (capa decorativa) ---------- */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(110% 70% at 80% 26%, rgba(0,241,201,0.05), transparent 46%),
    radial-gradient(50% 40% at 10% 96%, rgba(0,241,201,0.02), transparent 50%),
    linear-gradient(180deg, var(--bg), var(--bg-soft));
}

/* ---------- Cabecera fija ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px var(--pad);
  height: var(--nav-h);
  background: linear-gradient(180deg, rgba(7,11,9,0.82), rgba(7,11,9,0));
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--fg);
}
.nav__mark {
  width: 24px;
  height: 24px;
  flex: none;
  overflow: visible;
}
.nav__mark-body { fill: var(--fg); }
.nav__mark-band { fill: var(--green); }
.nav__name {
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.18em;
}
.nav__dot { color: var(--green); }
.nav__menu { display: flex; gap: clamp(16px,2vw,32px); }
.nav__link {
  position: relative;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
  text-decoration: none;
  padding: 6px 0;
  transition: color 0.35s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 1px; width: 100%;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav__link:hover,
.nav__link:focus-visible { color: var(--fg); }
.nav__link:hover::after,
.nav__link:focus-visible::after { transform: scaleX(1); }

/* =====================================================================
   ESCENARIO  ·  composición con dos estados
   ===================================================================== */
.hero {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  max-width: var(--maxw);
  margin: 0 auto;
  /* reserva la cabecera fija + inicio de la composición (~17–20 %) */
  padding: calc(var(--nav-h) + clamp(16px,4vh,40px)) var(--pad)
           clamp(18px,3vh,30px);
}

.stage {
  position: relative;
  flex: 1 1 auto;
  display: grid;
  align-content: center;
  min-height: 0;
}

/* Capa decorativa: diagonal derivada del símbolo (ángulo de las bandas).
   Centrada y contenida: no desborda el viewport en ninguna resolución. */
.stage__diag {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: 50%;
  width: 92%;
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%,
      var(--line-mid) 22%,
      var(--green-dim) 46%,
      var(--line-mid) 70%,
      transparent 100%);
  transform: translate(-50%,-50%) rotate(-27deg);
  transform-origin: center;
  opacity: 0.5;
  pointer-events: none;
}

/* Trazo verde de transición: recurso secundario. Nace del lenguaje geométrico
   del logo (su diagonal) y conecta ambas composiciones durante el intercambio.
   Delgado, breve y discreto: no es una retícula ni un efecto de ciencia ficción. */
.stage__trace {
  position: absolute;
  z-index: 1;
  top: 46%;
  left: 5%;
  width: 84%;
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%,
      var(--green) 38%,
      var(--green) 62%,
      transparent 100%);
  opacity: 0;
  transform: translate(0,0) rotate(-18deg) scaleX(0);
  transform-origin: center left;
  pointer-events: none;
}
.stage.is-tracing .stage__trace {
  animation: tracePass 0.7s var(--ease-flip) forwards;
}
@keyframes tracePass {
  0%   { opacity: 0;   transform: translate(0,0)   rotate(-18deg) scaleX(0.05); }
  30%  { opacity: 0.65; }
  62%  { opacity: 0.4; }
  100% { opacity: 0;   transform: translate(0,0)   rotate(-18deg) scaleX(1); }
}

/* Las dos capas de contenido se superponen en la misma celda (sin posición
   absoluta de texto: se apilan con grid). */
.layer {
  grid-area: 1 / 1;
  align-self: center;
  justify-self: start;
  max-width: 64%;
}

/* ---------- Logotipo compartido (tres capas, un solo sistema por capa) ----------
   .mark-wrap  → LAYOUT (posición/tamaño por estado). Sin transición de layout:
                 el salto de layout es instantáneo y lo compensa el FLIP.
   .mark-move  → MOVIMIENTO DE TRANSICIÓN (FLIP). Única transición de transform.
   .mark       → PARALLAX (capa interna). Congelado durante la transición.
   Nunca dos sistemas controlan el mismo transform a la vez. */
.mark-wrap {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: -2%;
  width: 42%;
  transform: translateY(-50%);
  pointer-events: none;
}

.mark-move {
  transition:
    transform var(--flip-dur) var(--ease-flip),
    opacity 0.55s var(--ease);
  transform-origin: top left;
  will-change: transform;
  opacity: 1;
}

.mark {
  width: 100%;
  height: auto;
  overflow: visible;
  will-change: transform;
}

.mark__glow  { opacity: 0; }
.mark__wire  { opacity: 1; }
.mark__body,
.mark__band  { opacity: 0; }

/* Estado approach: el símbolo se reduce y se reposiciona como firma */
.hero[data-state="approach"] .mark-wrap {
  width: 92px;
  top: calc(var(--nav-h) + 14px);
  right: 0;
  transform: translateY(0);
}
.hero[data-state="approach"] .mark-move { opacity: 0.9; }

/* En approach, la capa home cede el espacio a la nueva composición */
.hero[data-state="approach"] .layer--home { max-width: 100%; }


/* =====================================================================
   CONTENIDO  ·  capa portada (estado home)
   ===================================================================== */
.kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: clamp(14px,2.5vh,24px);
}

/* Titular — escala monumental. El ancho disponible garantiza que
   «decisiones.» (la línea más ancha) nunca se recorte horizontalmente. */
.title {
  font-size: clamp(46px, 7.2vw, 96px);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin-bottom: clamp(20px,3vh,32px);
}
.title .line {
  display: block;
  overflow: hidden;            /* máscara vertical del reveal */
  padding-bottom: 0.14em;
  margin-bottom: -0.14em;
}
.title .line__i {
  display: block;
  transform: translateY(0);
  will-change: transform;
}
.title__green { color: var(--green); }

.lead {
  font-size: clamp(15px,1.15vw,17px);
  line-height: 1.6;
  color: var(--fg-dim);
  max-width: 42ch;
  margin-bottom: clamp(18px,3vh,28px);
}

/* Frase IA — la segunda oración destacada en verde, con contraste legible */
.aside {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 6px;
  font-size: 15px;
  font-style: italic;
  line-height: 1.55;
  max-width: 48ch;
  margin-bottom: clamp(24px,4vh,36px);
  padding-left: 14px;
  border-left: 1px solid rgba(0,241,201,0.22);
}
.aside__pre { color: var(--fg-dim); }
.aside__em  { color: var(--green); font-weight: 500; }

/* Acciones — ambas visibles y distinguibles */
.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 28px;
}
.act {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  font-family: inherit;
  cursor: pointer;
  padding: 12px 0;
  /* La flecha se desplaza 4px en hover: sin overflow:visible no se recorta
     en ningún punto de la animación (id y vuelta). El subrayado ::after
     es width:100% / left:0, siempre dentro de la caja, así que no lo precisa. */
  transition: color 0.35s var(--ease);
}
.act__label { font-size: 13px; letter-spacing: 0.02em; }
.act__arrow { font-size: 15px; transition: transform 0.35s var(--ease); }

.act--primary { color: var(--fg); }
.act--primary .act__label { font-weight: 600; }
.act--primary .act__arrow { color: var(--green); }
.act--primary:hover .act__arrow,
.act--primary:focus-visible .act__arrow { transform: translateX(4px); }
.act--primary::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 1px; width: 100%;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.act--primary:hover::after,
.act--primary:focus-visible::after { transform: scaleX(1); }

.act--ghost { color: var(--fg-dim); }
.act--ghost .act__label { font-weight: 500; }
.act--ghost .act__arrow { color: var(--fg-dim); }
.act--ghost:hover,
.act--ghost:focus-visible { color: var(--fg); }
.act--ghost:hover .act__arrow,
.act--ghost:focus-visible .act__arrow {
  color: var(--green);
  transform: translateY(3px);
}

/* Control «Volver» del estado approach */
.back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  font-family: inherit;
  cursor: pointer;
  color: var(--fg-dim);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 8px 0;
  margin-bottom: clamp(20px,4vh,36px);
  transition: color 0.3s var(--ease);
}
.back__arrow {
  font-size: 15px;
  color: var(--green);
  transition: transform 0.3s var(--ease);
}
.back:hover,
.back:focus-visible { color: var(--fg); }
.back:hover .back__arrow,
.back:focus-visible .back__arrow { transform: translateX(-4px); }

/* ---------- Transición entre estados (cross-fade + reposicionamiento) ---------- */
.layer--home,
.layer--approach {
  transition: opacity 0.5s var(--ease), transform 0.6s var(--ease);
}
.layer--approach {
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
}
.hero[data-state="approach"] .layer--home {
  opacity: 0;
  transform: translateY(-18px);
  pointer-events: none;
}
.hero[data-state="approach"] .layer--approach {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}


/* =====================================================================
   ESTADO APPROACH  ·  tipografía cinética diagonal
   Tres conceptos protagonistas que cascan en diagonal (eco del logo),
   con descripciones ancladas a la derecha para ocupar el ancho disponible.
   ===================================================================== */
.layer--approach {
  justify-self: stretch;
  max-width: none;
}
.approach__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: clamp(22px,3.5vh,40px);
}

.concepts {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 3vh, 46px);
}

/* Cada concepto: palabra monumental a la izquierda + descripción a la derecha.
   El indent progresivo de cada fila crea la cascada diagonal. */
.concept {
  display: flex;
  align-items: baseline;
  /* La descripción va junto a su palabra (unidad editorial), no pegada al
     borde. La cascada diagonal sigue naciendo del padding-left por fila. */
  justify-content: flex-start;
  gap: clamp(20px, 2.5vw, 40px);
}
.concept:nth-child(2) { padding-left: clamp(20px, 8vw, 120px); }
.concept:nth-child(3) { padding-left: clamp(40px, 16vw, 250px); }

/* Revelado vertical mediante máscara */
.concept__word {
  font-size: clamp(44px, 7vw, 116px);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.035em;
  color: var(--fg);
  overflow: hidden;
  padding-bottom: 0.10em;
  margin-bottom: -0.10em;
}
.concept__reveal {
  display: block;
  transform: translateY(112%);
  opacity: 0;
  transition:
    transform 0.45s var(--ease-flip),
    opacity 0.40s var(--ease);
  will-change: transform;
}
.concept__dot { color: var(--green); }

.concept__desc {
  flex: 0 0 auto;
  font-size: clamp(13px, 1.15vw, 17px);
  line-height: 1.55;
  color: var(--fg-dim);
  max-width: 30ch;
  text-align: left;
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.40s var(--ease),
    transform 0.45s var(--ease);
}

/* ---------- ENTRADA a APPROACH (secuencia ~850 ms) ---------- */
/* 150–500 ms: las palabras se revelan en cascada (máscara vertical).
   500–850 ms: aparecen las descripciones. */
.hero[data-state="approach"] .concept__reveal {
  transform: translateY(0);
  opacity: 1;
}
.hero[data-state="approach"] .concept:nth-child(1) .concept__reveal { transition-delay: 0.15s; }
.hero[data-state="approach"] .concept:nth-child(2) .concept__reveal { transition-delay: 0.27s; }
.hero[data-state="approach"] .concept:nth-child(3) .concept__reveal { transition-delay: 0.39s; }

.hero[data-state="approach"] .concept__desc {
  opacity: 1;
  transform: translateY(0);
}
.hero[data-state="approach"] .concept:nth-child(1) .concept__desc { transition-delay: 0.46s; }
.hero[data-state="approach"] .concept:nth-child(2) .concept__desc { transition-delay: 0.52s; }
.hero[data-state="approach"] .concept:nth-child(3) .concept__desc { transition-delay: 0.58s; }

/* =====================================================================
   BANDA EDITORIAL  ·  los cuatro ámbitos
   ===================================================================== */
.areas {
  position: relative;
  z-index: 2;
  margin-top: clamp(20px,3vh,36px);
  padding-top: clamp(16px,2.5vh,24px);
}
.areas__list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1px;
  border-top: 1px solid var(--line-mid);
}
.area {
  position: relative;
  padding: clamp(14px,2vh,20px) 22px clamp(14px,2vh,20px) 0;
  cursor: default;
}
.area::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.area.is-pulse::before,
.area:hover::before { transform: scaleX(1); }
.area__name {
  font-size: clamp(13px,1.05vw,15px);
  color: var(--fg-dim);
  letter-spacing: 0.01em;
  transition: color 0.35s var(--ease);
}
.area.is-pulse .area__name,
.area:hover .area__name { color: var(--fg); }


/* =====================================================================
   CIERRE MÍNIMO  ·  contacto directo por email
   Un solo canal: web@lfespinosa.com (mailto). Sin formularios ni popups.
   El email es texto seleccionable y enlace real; se apila solo en móvil.
   ===================================================================== */
.foot {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(30px,5vh,60px) var(--pad);
  border-top: 1px solid var(--line-mid);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
}
.foot__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fg-faint);
}
.foot__mail {
  position: relative;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 22px);
  letter-spacing: 0.01em;
  color: var(--fg);
  text-decoration: none;
  transition: color 0.35s var(--ease);
}
.foot__mail::after {
  content: "";
  position: absolute;
  left: 0; bottom: -3px;
  height: 1px; width: 100%;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.foot__mail:hover,
.foot__mail:focus-visible { color: var(--green); }
.foot__mail:hover::after,
.foot__mail:focus-visible::after { transform: scaleX(1); }
.foot__mail:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
  border-radius: 2px;
}


/* =====================================================================
   ENTRADA CINEMATOGRÁFICA  ·  ~1,4 s  ·  una sola ejecución
   =====================================================================
   0,00–0,30 s  La identidad aparece · el wireframe del logo se dibuja
   0,20–0,80 s  Las líneas del titular se revelan con movimiento preciso
   0,50–1,20 s  Las tres formas del SVG se ensamblan con desplazamientos
   1,10–1,50 s  Las bandas adquieren color; entran descripción y acciones
   ===================================================================== */

/* Estados ocultos solo con JS (sin JS, el contenido se ve en su estado final) */
.js .nav,
.js .kicker,
.js .lead,
.js .aside,
.js .actions,
.js .areas {
  opacity: 0;
  transform: translateY(16px);
  will-change: opacity, transform;
}
.js .title .line__i { transform: translateY(110%); }
.js .mark__body,
.js .mark__band--1,
.js .mark__band--2 { opacity: 0; }

/* Keyframes */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes lineReveal {
  from { transform: translateY(110%); }
  to   { transform: translateY(0); }
}
@keyframes bodyReveal {
  from { opacity: 0; transform: translate(-10px,10px) scale(0.96); }
  to   { opacity: 1; transform: translate(0,0) scale(1); }
}
@keyframes bandSlide {
  from { opacity: 0; transform: translate(20px,-18px); }
  to   { opacity: 1; transform: translate(0,0); }
}
@keyframes wireFade {
  from { opacity: 1; }
  to   { opacity: 0; }
}
@keyframes glowIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Secuencia — cada elemento con su retardo */
body.is-ready .nav {
  animation: fadeUp 0.5s var(--ease-out) 0.05s both;
}
body.is-ready .kicker {
  animation: fadeUp 0.5s var(--ease-out) 0.10s both;
}
body.is-ready .title .line:nth-child(1) .line__i {
  animation: lineReveal 0.55s var(--ease-out) 0.20s both;
}
body.is-ready .title .line:nth-child(2) .line__i {
  animation: lineReveal 0.55s var(--ease-out) 0.33s both;
}
body.is-ready .title .line:nth-child(3) .line__i {
  animation: lineReveal 0.55s var(--ease-out) 0.46s both;
}

/* Logo — las tres formas se ensamblan y las bandas adquieren color */
body.is-ready .mark__body {
  animation: bodyReveal 0.55s var(--ease) 0.50s both;
}
body.is-ready .mark__band--1 {
  animation: bandSlide 0.5s var(--ease) 0.62s both;
}
body.is-ready .mark__band--2 {
  animation: bandSlide 0.5s var(--ease) 0.74s both;
}
body.is-ready .mark__wire {
  animation: wireFade 0.5s var(--ease) 0.90s forwards;
}
body.is-ready .mark__glow {
  animation: glowIn 0.6s var(--ease) 1.00s both;
}

/* Descripción y acciones — últimas en aparecer */
body.is-ready .lead   { animation: fadeUp 0.45s var(--ease-out) 0.95s both; }
body.is-ready .aside  { animation: fadeUp 0.45s var(--ease-out) 1.05s both; }
body.is-ready .actions{ animation: fadeUp 0.45s var(--ease-out) 1.10s both; }
body.is-ready .areas  { animation: fadeUp 0.5s  var(--ease-out) 1.05s both; }


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

/* =====================================================================
   RESPONSIVE  ·  se diseña, no se escala
   ===================================================================== */

/* Tablet / ancho intermedio: composición a una columna */
@media (max-width: 900px) {
  .layer { max-width: 100%; }
  .mark-wrap {
    top: auto;
    bottom: -4%;
    right: 0;
    width: min(38vw, 220px);
    opacity: 0.9;
  }
  .hero[data-state="approach"] .mark-wrap {
    top: auto;
    bottom: 0;
    right: 0;
    width: 78px;
  }
}

/* Móvil: símbolo contenido arriba, contenido en fluj natural */
@media (max-width: 760px) {
  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-h) + 14px);
    padding-bottom: 20px;
  }
  .stage {
    align-content: start;
    padding-top: 0;
  }
  .layer {
    align-self: start;
    max-width: 100%;
  }
  .mark-wrap {
    top: 0;
    bottom: auto;
    right: 50%;
    width: 116px;
    transform: translateX(50%);
    opacity: 0.95;
  }
  .hero[data-state="approach"] .mark-wrap {
    top: 0;
    right: 0;
    bottom: auto;
    width: 64px;
    transform: none;
  }
  /* hueco para el símbolo sin ocultar texto */
  .layer--home     { padding-top: 132px; }
  .layer--approach { padding-top: 112px; }

  .title { font-size: clamp(38px, 12vw, 58px); }

  /* En móvil: la cascada se apila; la descripción va bajo cada palabra.
     Tipografía grande y legible; sin desborde horizontal. */
  .concepts { gap: clamp(22px, 4.5vh, 36px); }
  .concept {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 8px;
  }
  .concept:nth-child(2),
  .concept:nth-child(3) { padding-left: 0; }
  .concept__word { font-size: clamp(38px, 13vw, 60px); }
  .concept__desc {
    text-align: left;
    max-width: 100%;
    flex-basis: auto;
  }

  .areas__list { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 420px) {
  .nav { padding: 12px var(--pad); }
  .title { font-size: clamp(34px, 13vw, 52px); }
  .aside { font-size: 12px; }
  .actions { gap: 10px 16px; }
  .act--primary { padding: 10px 0; }
  .act--ghost { padding-top: 4px; }
  .concept__desc { font-size: 13px; }
}

/* =====================================================================
   PREFERS-REDUCED-MOTION  ·  estado final sin animación
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .js .nav, .js .kicker, .js .lead, .js .aside,
  .js .actions, .js .areas,
  .title .line__i,
  .js .mark__body, .js .mark__band--1, .js .mark__band--2,
  .js .mark__glow, .js .mark-move,
  .concept__reveal, .concept__desc,
  .layer--home, .layer--approach {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
  .stage__trace {
    opacity: 0 !important;
    animation: none !important;
  }
  .js .mark__wire {
    opacity: 0 !important;
    animation: none !important;
  }
}