/* ============================================================
   THE WAI — light theme w/ dark intro & footer (ref: subduxion)
   Satoshi 700 headings · Inter body · Roboto Mono labels
   ============================================================ */
:root {
  --dark: #131313;
  --bg: #ffffff;
  --surface: #f9f9f9;
  --surface-2: #f3f3f3;
  --border: #e6e7e8;
  --text: #131313;
  --muted: #3a3a3a;
  --dim: #6b6e70; /* 4.9:1 sobre blanco — pasa WCAG AA en texto chico */
  --blue: #d2e9fe;
  --blue-2: #8fc5f2;
  --lime: #98fe00;
  --alert: #ff9500;
  --font-heading: 'Satoshi', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Roboto Mono', monospace;
  --container: 1240px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --spring: cubic-bezier(0.3, 1.1, 0.4, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--lime); color: var(--dark); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ---------- utils ---------- */
.mono-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
}
.mono-label--dark { color: #9a9da0; margin-bottom: 1rem; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--dark);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 300;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.skip-link:focus { left: 0; }

/* ============================================================
   INTRO — los estilos y la secuencia de frases viven en el CSS
   crítico inline del <head> (pintan antes de que llegue este
   archivo). Acá no se redefine nada del intro.
   ============================================================ */

/* ============================================================
   APPEAR — hero entrance (fires when body gets .ready)
   spring: opacity 0→1, y 20→0 (or x 20→0), staggered via --d
   ============================================================ */
.appear {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s var(--spring), transform 1s var(--spring);
  transition-delay: var(--d, 0s);
}
.appear--x { transform: translate(20px, 0); }
body.ready .appear { opacity: 1; transform: translate(0, 0); }

/* ============================================================
   REVEAL — scroll-triggered spring rise, staggered via --d
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s var(--spring), transform 1s var(--spring);
  transition-delay: var(--d, 0s);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- buttons (arrow-in-box, hover swaps arrow) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.55rem 0.6rem 0.55rem 1.3rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease;
  min-height: 44px;
}
.btn--dark { background: var(--dark); color: #fff; }
.btn--dark:hover { background: #2a2a2a; }
.btn--light {
  background: var(--surface-2);
  color: var(--text);
}
.btn--light:hover { background: var(--border); }
.btn--lg { font-size: 1rem; min-height: 50px; }
.btn__box {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: var(--blue);
  color: var(--dark);
  overflow: hidden;
}
.btn__box--light { background: #fff; }
.btn__arrow { transition: transform 0.3s var(--spring); }
/* ±24px deja la flecha de 12px totalmente fuera de la caja de 30px */
.btn__arrow--next {
  position: absolute;
  transform: translate(-24px, 24px);
}
.btn:hover .btn__arrow { transform: translate(24px, -24px); }
.btn:hover .btn__arrow--next { transform: translate(0, 0); }
.btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--blue-2);
  outline-offset: 3px;
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.nav.is-scrolled { border-bottom-color: var(--border); }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}
.nav__logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}
.nav__logo sup { font-size: 0.5em; font-weight: 500; color: var(--dim); }
.nav__links { display: flex; gap: 2.25rem; }
.nav__links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
  padding: 0.5rem 0;
}
.nav__links a:hover { color: var(--text); }
/* ---------- burger (solo mobile) ---------- */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav__burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--spring), background-color 0.3s ease;
}
body.menu-open .nav__burger span:first-child { transform: translateY(4px) rotate(45deg); }
body.menu-open .nav__burger span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- menú mobile (overlay oscuro fullscreen) ---------- */
.mobmenu {
  position: fixed;
  inset: 0;
  z-index: 45;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 7rem var(--pad) 2.5rem;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
body.menu-open .mobmenu { visibility: visible; opacity: 1; }
body.menu-open { overflow: hidden; }
/* la nav se funde con el overlay oscuro */
body.menu-open .nav { background: transparent; border-bottom-color: transparent; }
body.menu-open .nav__logo { color: #fff; }
body.menu-open .nav__inner .btn--dark { visibility: hidden; }
body.menu-open .nav__burger span { background: #fff; }
.mobmenu__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.mobmenu__links a {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2rem, 8vw, 2.8rem);
  letter-spacing: -0.03em;
  color: #fff;
  text-decoration: none;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--spring), transform 0.5s var(--spring);
}
body.menu-open .mobmenu__links a { opacity: 1; transform: translateY(0); }
body.menu-open .mobmenu__links a:nth-child(1) { transition-delay: 0.08s; }
body.menu-open .mobmenu__links a:nth-child(2) { transition-delay: 0.16s; }
body.menu-open .mobmenu__links a:nth-child(3) { transition-delay: 0.24s; }
.mobmenu__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 400;
  color: #9a9da0;
}
.mobmenu__foot {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--spring) 0.32s, transform 0.5s var(--spring) 0.32s;
}
body.menu-open .mobmenu__foot { opacity: 1; transform: translateY(0); }
.mobmenu__cta { background: #fff; }

/* ---------- hero ---------- */
.hero { padding-top: clamp(7rem, 14vh, 10rem); }
/* composición en dos columnas: todo el copy alineado a la izquierda,
   el chat centrado verticalmente a la derecha */
.hero__grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.hero__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.9rem, 6.6vw, 5.6rem);
  line-height: 1;
  letter-spacing: -0.04em;
}
/* reveal por líneas: cada línea emerge desde una máscara con recorte */
.hero__title .line {
  display: block;
  overflow: hidden;
  /* aire para los descendentes (y, p) sin que la máscara los recorte */
  padding-bottom: 0.09em;
  margin-bottom: -0.09em;
}
.line__inner {
  display: inline-block;
  transform: translateY(115%);
  transition: transform 0.9s var(--spring);
  transition-delay: var(--d, 0s);
}
body.ready .line__inner { transform: translateY(0); }
.hero__card { width: min(450px, 100%); justify-self: end; }
.hero__lead {
  color: var(--muted);
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  max-width: 46ch;
  margin: 2rem 0 2.25rem;
}
.hero__actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.hero__strip {
  margin-top: clamp(3rem, 7vh, 5rem);
  padding: 1.1rem 0 1.4rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 2rem;
}
.hero__strip .mono-label { flex-shrink: 0; }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; flex: 1; min-width: 0; }
.marquee__track {
  display: flex;
  gap: 2rem;
  width: max-content;
  animation: marquee 30s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- chat mockup (light) ---------- */
.chat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 20px 50px -20px rgba(19, 19, 19, 0.15);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.chat__body {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
/* en modo live se reserva la fila del typing final persistente */
.chat--live .chat__body { padding-bottom: 3.1rem; }
/* modo live: todos los mensajes ocupan su lugar definitivo desde el
   inicio (visibility) — la caja nunca cambia de tamaño ni de posición */
.chat--live .chat__msg { visibility: hidden; }
.chat--live .chat__msg.is-shown {
  visibility: visible;
  animation: msgIn 0.45s var(--spring) both;
}
/* el typing flota sobre el hueco del próximo mensaje (JS lo posiciona) */
.chat--live .chat__typing {
  position: absolute;
  visibility: hidden;
}
.chat--live .chat__typing.is-shown {
  visibility: visible;
  animation: msgIn 0.45s var(--spring) both;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
/* typing del lado del cliente: burbuja azul */
.chat__typing--out {
  background: var(--blue);
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 4px;
}
.chat__typing--out span { background: rgba(19, 19, 19, 0.4); }
/* sin JS el chat queda estático: los 3 mensajes + typing azul al final */
.chat:not(.chat--live) .chat__typing {
  background: var(--blue);
  align-self: flex-end;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 4px;
}
.chat:not(.chat--live) .chat__typing span { background: rgba(19, 19, 19, 0.4); }
.chat__head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--surface-2);
}
.chat__dot { width: 8px; height: 8px; border-radius: 50%; background: #34c759; }
.chat__name { font-size: 0.9rem; font-weight: 600; }
.chat__msg {
  font-size: 0.95rem;
  line-height: 1.55;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  max-width: 88%;
}
/* el primer mensaje ya está escrito desde el arranque */
.chat--live .chat__msg:first-child { visibility: visible; }
.chat__msg--in {
  background: var(--surface-2);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}
.chat__msg--out {
  background: var(--blue);
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.chat__typing {
  display: flex;
  gap: 4px;
  padding: 0.55rem 0.8rem;
  background: var(--surface-2);
  border-radius: 12px;
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}
.chat__typing span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--dim);
  animation: typing 1.2s infinite ease-in-out;
}
.chat__typing span:nth-child(2) { animation-delay: 0.15s; }
.chat__typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

/* ---------- pain points ---------- */
.pains { padding: clamp(6rem, 12vw, 10rem) 0; }
.pains__chips {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  align-self: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.8rem 1.2rem;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
}
.chip--r { align-self: flex-end; }
.pains__statement {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.2vw, 2.6rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  text-align: center;
  max-width: 26ch;
  margin: 2rem auto;
}

/* ---------- sections ---------- */
.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section__rule {
  height: 1px;
  background: var(--border);
  position: relative;
  margin-bottom: 1.1rem;
  overflow: hidden;
}
.section__progress {
  position: absolute;
  left: 0;
  top: 0;
  height: 3px;
  width: 180px;
  background: var(--dark);
  transform: translateX(-101%);
  transition: transform 1.2s cubic-bezier(0.7, 0, 0.2, 1);
}
.section__rule.is-visible .section__progress { transform: translateX(0); }
.section__head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: end;
  margin-top: 2.5rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.3rem, 4.8vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}
.section__sub {
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 46ch;
  justify-self: end;
}

/* ---------- service cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.card {
  background: var(--surface);
  border-radius: 14px;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  transition: background-color 0.25s ease;
}
.card:hover { background: var(--surface-2); }
.card--wide { grid-column: span 2; min-height: 240px; }
.card__icon { color: var(--blue-2); margin-bottom: auto; }
.card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 1.5rem 0 0.7rem;
}
.card__text { color: var(--muted); font-size: 0.95rem; max-width: 58ch; }

/* ---------- scrollytelling proceso ---------- */
.story { position: relative; }
.story__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.story__stage {
  display: grid;
  grid-template-columns: minmax(6rem, 1fr) minmax(0, 1.2fr) minmax(0, 1.3fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
}
.story__num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.04em;
  color: var(--dim);
  opacity: 0.55;
}
.story__art { position: relative; aspect-ratio: 1; max-width: 340px; width: 100%; margin: 0 auto; }
.story__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  transition: opacity 0.7s var(--spring), transform 0.7s var(--spring);
}
.story__svg.is-active { opacity: 1; transform: translateY(0) scale(1); }
/* pausa las animaciones de las ilustraciones ocultas */
.story__svg:not(.is-active) * { animation-play-state: paused; }

/* ---------- ilustraciones animadas del proceso ---------- */
/* 01 — radar: barrido giratorio, anillos que respiran, eco del punto */
.radar-sweep {
  transform-origin: 100px 100px;
  animation: artSpin 4s linear infinite;
}
.radar-dot { animation: artBlink 4s ease-in-out infinite; }
.radar-ping {
  transform-box: fill-box;
  transform-origin: center;
  animation: artPing 4s ease-out infinite;
}
.art-breathe {
  transform-box: fill-box;
  transform-origin: center;
  animation: artBreathe 4s ease-in-out infinite;
  animation-delay: var(--ad, 0s);
}
/* 02 — planos: levitación desfasada + haz punteado que fluye */
.art-float {
  animation: artFloat 3.6s ease-in-out infinite;
  animation-delay: var(--ad, 0s);
}
.art-beam { animation: artDash 1.2s linear infinite; }
/* 03 — bloques: pulso que recorre la grilla */
.art-block {
  transform-box: fill-box;
  transform-origin: center;
  animation: artPop 4s ease-in-out infinite;
  animation-delay: var(--ad, 0s);
}
/* 04 — órbita: giro continuo + satélite */
.art-orbit {
  transform-origin: 100px 100px;
  animation: artSpin 14s linear infinite;
}
.art-satellite {
  transform-origin: 100px 100px;
  animation: artSpin 7s linear infinite reverse;
  transform: translateX(58px);
}

@keyframes artSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes artBreathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}
@keyframes artBlink {
  0%, 55%, 100% { opacity: 1; }
  65%, 90% { opacity: 0.25; }
}
@keyframes artPing {
  0%, 55% { transform: scale(1); opacity: 0.9; }
  85%, 100% { transform: scale(3); opacity: 0; }
}
@keyframes artFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
@keyframes artDash {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -18; }
}
@keyframes artPop {
  0%, 20%, 100% { transform: scale(1); opacity: 1; }
  10% { transform: scale(1.08); opacity: 0.75; }
}
.story__copy { position: relative; min-height: 12rem; }
.story__step {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--spring), transform 0.6s var(--spring);
  pointer-events: none;
}
.story__step.is-active { opacity: 1; transform: translateY(0); }
.story__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.8rem;
  color: var(--dim);
}
.story__step.is-active .story__title { color: var(--text); }
.story__text { color: var(--muted); max-width: 44ch; }
.story__spacer { height: 90svh; }

/* ---------- cta ---------- */
.cta { padding: clamp(4rem, 8vw, 7rem) 0 clamp(6rem, 12vw, 10rem); }
.cta__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.6rem, 6.4vw, 5.4rem);
  line-height: 1;
  letter-spacing: -0.04em;
  max-width: 14ch;
  margin: 2.5rem 0;
}
.cta__action { display: flex; }

/* ---------- footer (dark) ---------- */
.footer {
  position: relative;
  background: var(--dark);
  color: #fff;
  padding: clamp(4rem, 8vw, 6rem) 0 2rem;
  overflow: hidden;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  position: relative;
  z-index: 1;
}
.footer__about { color: #b4b6b8; font-size: 0.95rem; max-width: 40ch; }
.footer__col { display: flex; flex-direction: column; gap: 0.6rem; align-items: flex-start; }
.footer__link {
  color: #fff;
  text-decoration: none;
  font-size: 1.05rem;
  transition: color 0.2s ease;
}
.footer__link:hover { color: var(--blue); }
.footer__plain { color: #b4b6b8; font-size: 0.95rem; }
.footer__bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.footer__logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.footer__logo sup { font-size: 0.5em; font-weight: 500; color: #7d8082; }
.footer__glow {
  position: absolute;
  left: 50%;
  bottom: -180px;
  transform: translateX(-50%);
  width: 900px;
  height: 300px;
  background: radial-gradient(ellipse at center, rgba(143, 197, 242, 0.35), transparent 65%);
  pointer-events: none;
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__card { display: none; }
  .section__head { grid-template-columns: 1fr; }
  .section__sub { justify-self: start; }
  .cards { grid-template-columns: 1fr; }
  .card--wide { grid-column: auto; }
  .footer__grid { grid-template-columns: 1fr; }
  /* scrollytelling colapsa a lista */
  .story__sticky { position: static; height: auto; }
  .story__stage { grid-template-columns: 1fr; gap: 1rem; }
  .story__num, .story__art { display: none; }
  .story__copy { min-height: 0; }
  .story__step {
    position: static;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    padding: 1.75rem 0;
    border-top: 1px solid var(--border);
  }
  .story__step .story__title { color: var(--text); }
  .story__spacer { display: none; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .intro { display: none; }
  body.preload { overflow: auto; }
  .appear, .reveal { opacity: 1; transform: none; transition: none; }
  .marquee__track { animation: none; }
  .chat__typing span { animation: none; }
  .section__progress { transform: none; transition: none; }
  .story__svg, .story__step { transition: none; }
  .btn__arrow { transition: none; }
  .radar-sweep, .radar-dot, .radar-ping, .art-breathe, .art-float,
  .art-beam, .art-block, .art-orbit, .art-satellite { animation: none; }
  .line__inner { transform: none; transition: none; }
  .chat--live .chat__msg.is-shown, .chat--live .chat__typing.is-shown { animation: none; }
}
