/* ════════════════════════════════════════════════════════════════════════
   GRUPO EMPRESA — styles.css
   Paleta: neutros cálidos + rojo de marca. Bordes suaves, sombras difusas.
   Tipografía: Poppins (importada desde index.html).

   ÍNDICE
   01 · Tokens de diseño          06 · Servicios (cards)
   02 · Reset y base              07 · Tablas de datos y video
   03 · Componentes (btn, etc.)   08 · Clientes (carrusel infinito)
   04 · Header y navegación       09 · Proceso, FAQ, contacto
   05 · Hero 3D                   10 · Footer · 11 · Animaciones · 12 · Responsive
   ════════════════════════════════════════════════════════════════════════ */


/* ═══ 01 · TOKENS DE DISEÑO ══════════════════════════════════════════════
   ⚙️ EDITAR AQUÍ para reetiquetar toda la identidad visual del sitio.     */
:root {
  /* ---- Marca ---- */
  --brand:        #E95057;   /* rojo Grupo Empresa */
  --brand-600:    #D8434B;
  --brand-700:    #B93840;
  --brand-tint:   #FDF1F1;   /* fondo suave de acento */

  /* ---- Neutros cálidos ---- */
  --ink:          #221F1D;   /* titulares */
  --ink-2:        #55504B;   /* cuerpo */
  --ink-3:        #857E77;   /* secundario / captions */
  --line:         #E8E2D9;   /* hairlines y bordes */
  --line-2:       #D8D1C6;
  --surface:      #FFFFFF;
  --sand:         #F8F5F0;   /* off-white cálido, secciones alternas */
  --sand-2:       #F1ECE4;
  --dark:         #24211E;   /* charcoal cálido, sección invertida */
  --dark-2:       #2F2B27;

  /* ---- Roles sobre fondo oscuro ---- */
  --on-dark:      #FBF9F6;
  --on-dark-2:    rgba(251, 249, 246, 0.66);
  --on-dark-line: rgba(251, 249, 246, 0.14);

  /* ---- Tipografía ---- */
  --ff: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ff-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --fs-display: clamp(2.6rem, 1.4rem + 4.2vw, 5rem);
  --fs-h2:      clamp(1.9rem, 1.2rem + 2.4vw, 3.1rem);
  --fs-h3:      clamp(1.15rem, 1rem + 0.6vw, 1.45rem);
  --fs-lead:    clamp(1.06rem, 0.98rem + 0.5vw, 1.32rem);
  --fs-body:    1rem;
  --fs-sm:      0.9rem;
  --fs-xs:      0.78rem;

  /* ---- Radios suaves ---- */
  --r-sm:   12px;
  --r:      16px;
  --r-lg:   24px;
  --r-xl:   32px;
  --r-pill: 999px;

  /* ---- Sombras difusas ---- */
  --sh-1: 0 1px 2px rgba(34, 31, 29, 0.04), 0 4px 14px rgba(34, 31, 29, 0.05);
  --sh-2: 0 2px 4px rgba(34, 31, 29, 0.04), 0 14px 36px rgba(34, 31, 29, 0.08);
  --sh-3: 0 4px 10px rgba(34, 31, 29, 0.05), 0 28px 64px rgba(34, 31, 29, 0.12);
  --sh-focus: 0 0 0 3px rgba(233, 80, 87, 0.28);

  /* ---- Espaciado ---- */
  --gap:      clamp(20px, 2.4vw, 32px);
  --pad-x:    clamp(20px, 5vw, 72px);
  --section-y: clamp(72px, 9vw, 140px);

  /* ---- Movimiento ---- */
  --ease:      cubic-bezier(0.22, 0.68, 0.28, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
  --dur:  260ms;
  --dur-lg: 640ms;

  /* ---- Layout ---- */
  --wide: 1240px;
  --nav-h: 74px;
}


/* ═══ 02 · RESET Y BASE ══════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--ff);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--surface);
  /* `clip` en lugar de `hidden`: no crea contenedor de scroll y por tanto
     no rompe el `position: sticky` del escenario 3D del hero. */
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.022em;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }
img, video, canvas, svg { display: block; max-width: 100%; }
img, video { height: auto; }
ul, ol { margin: 0; padding: 0; list-style: none; }
address { font-style: normal; }

a { color: inherit; text-decoration: none; transition: color var(--dur) var(--ease); }
a.underlined { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--brand); }

button, input, select, textarea { font: inherit; color: inherit; }

::selection { background: var(--brand); color: #fff; }

:focus-visible {
  outline: none;
  box-shadow: var(--sh-focus);
  border-radius: var(--r-sm);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.skip-link {
  position: absolute; top: 8px; left: 8px; z-index: 200;
  padding: 12px 20px; border-radius: var(--r);
  background: var(--ink); color: #fff; font-weight: 500;
  transform: translateY(-160%);
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus-visible { transform: translateY(0); color: #fff; }

.container { width: 100%; max-width: var(--wide); margin-inline: auto; padding-inline: var(--pad-x); }
.container--narrow { max-width: 860px; }

.section { padding-block: var(--section-y); position: relative; }
.section--tint { background: var(--sand); }
.section--dark { background: var(--dark); color: var(--on-dark-2); }
.section--dark h2, .section--dark h3 { color: var(--on-dark); }

.section__head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 68px); }
.section__title { font-size: var(--fs-h2); margin-top: 14px; }
.section__sub { margin-top: 18px; font-size: var(--fs-lead); color: var(--ink-3); }
.section--dark .section__sub { color: var(--on-dark-2); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--brand);
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px;
  background: currentColor; opacity: 0.85;
}
.eyebrow--light { color: var(--brand); }

.lead { font-size: var(--fs-lead); color: var(--ink-2); }
.lead strong, .section strong { color: var(--ink); font-weight: 600; }
.section--dark strong { color: var(--on-dark); }


/* ═══ 03 · COMPONENTES ═══════════════════════════════════════════════════ */
.btn {
  --btn-bg: var(--brand);
  --btn-fg: #fff;
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 28px;
  border: 0; border-radius: var(--r-pill);
  background: var(--btn-bg); color: var(--btn-fg);
  font-size: var(--fs-sm); font-weight: 600; letter-spacing: 0.01em;
  cursor: pointer; overflow: hidden;
  box-shadow: 0 4px 14px rgba(233, 80, 87, 0.26);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}
/* microinteracción: brillo diagonal al pasar el cursor */
.btn::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 32%, rgba(255,255,255,0.32) 50%, transparent 68%);
  transform: translateX(-120%);
  transition: transform 620ms var(--ease-soft);
}
.btn:hover { color: #fff; background: var(--brand-600); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(233, 80, 87, 0.32); }
.btn:hover::after { transform: translateX(120%); }
.btn:active { transform: translateY(0); background: var(--brand-700); }
.btn--block { width: 100%; }
.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--ink);
  border: 1px solid var(--line-2); box-shadow: none;
}
.btn--ghost:hover { background: var(--sand-2); color: var(--ink); box-shadow: none; }

.taglist { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.taglist li {
  padding: 6px 13px; border-radius: var(--r-pill);
  background: var(--sand-2); border: 1px solid var(--line);
  font-size: var(--fs-xs); font-weight: 500; color: var(--ink-2);
}


/* ═══ 04 · HEADER Y NAVEGACIÓN ═══════════════════════════════════════════ */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  transition: background-color 420ms var(--ease), box-shadow 420ms var(--ease),
              backdrop-filter 420ms var(--ease);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  height: var(--nav-h);
  max-width: var(--wide); margin-inline: auto; padding-inline: var(--pad-x);
}

.brand { display: flex; align-items: center; }
.brand__mark {
  height: 34px; width: auto;
  transition: filter 420ms var(--ease), opacity var(--dur) var(--ease);
}
.brand:hover .brand__mark { opacity: 0.82; }

/* Tono claro sobre el tramo oscuro del hero */
.site-header[data-tone="dark"] { color: var(--on-dark); }
/* Velo superior: separa la barra del contenido del hero que pasa por detrás
   (p. ej. el CTA de la última escena) sin romper la sensación de transparencia. */
.site-header[data-tone="dark"]::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, rgba(26, 26, 28, 0.82) 0%, rgba(26, 26, 28, 0.55) 55%, rgba(26, 26, 28, 0) 100%);
}
.site-header[data-tone="dark"] .brand__mark { filter: brightness(0) invert(1); }
.site-header[data-tone="dark"] .nav__link { color: var(--on-dark); }
.site-header[data-tone="dark"] .burger__bar { background: var(--on-dark); }

/* Glassmorphism sutil al despegarse del hero */
.site-header.is-stuck {
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  backdrop-filter: saturate(1.6) blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 8px 28px rgba(34, 31, 29, 0.06);
  color: var(--ink);
}
.site-header.is-stuck .brand__mark { filter: none; }
.site-header.is-stuck .nav__link { color: var(--ink-2); }
.site-header.is-stuck .burger__bar { background: var(--ink); }

.nav { display: flex; align-items: center; gap: clamp(18px, 2.6vw, 40px); }
.nav__list { display: flex; align-items: center; gap: clamp(14px, 1.8vw, 30px); }
.nav__link {
  position: relative;
  font-size: var(--fs-sm); font-weight: 500; color: var(--ink-2);
  padding-block: 6px;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px; border-radius: 2px; background: var(--brand);
  transform: scaleX(0); transform-origin: right;
  transition: transform 320ms var(--ease);
}
.nav__link:hover, .nav__link.is-active { color: var(--brand); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav__cta { padding: 11px 22px; }

/* Hamburguesa animada → X */
.burger {
  display: none;
  width: 46px; height: 46px; padding: 0;
  background: transparent; border: 0; border-radius: var(--r-sm);
  cursor: pointer; position: relative; z-index: 2;
}
.burger__bar {
  position: absolute; left: 12px; width: 22px; height: 2px;
  border-radius: 2px; background: var(--ink);
  transition: transform 380ms var(--ease), opacity 200ms var(--ease),
              background-color 420ms var(--ease), width 380ms var(--ease);
}
.burger__bar:nth-child(1) { top: 17px; }
.burger__bar:nth-child(2) { top: 22px; width: 15px; }
.burger__bar:nth-child(3) { top: 27px; }
.burger[aria-expanded="true"] .burger__bar:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__bar:nth-child(2) { opacity: 0; transform: translateX(-10px); }
.burger[aria-expanded="true"] .burger__bar:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

body.nav-open { overflow: hidden; }


/* ═══ 05 · HERO 3D ═══════════════════════════════════════════════════════
   El <canvas> dibuja la mandala del logotipo proyectada en perspectiva.
   ⚙️ Para acortar o alargar la animación, cambia --hero-scenes en .hero
   (cada escena = 100vh de recorrido de scroll).                            */
.hero { --hero-scenes: 6; position: relative; }
.hero__track { height: calc(var(--hero-scenes) * 100vh); }
.hero__stage {
  position: sticky; top: 0;
  height: 100vh; height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.hero__bg { position: absolute; inset: 0; background: var(--surface); }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero__wordmark {
  position: absolute; z-index: 10; pointer-events: none;
  /* recorta la mandala del PNG: en el hero la dibuja el canvas en 3D */
  clip-path: inset(0 0 0 30.1%);
  opacity: 0;
  will-change: opacity, transform;
}

.hero__progress {
  position: absolute; top: 0; left: 0; z-index: 40;
  height: 2px; width: 0%; background: var(--brand);
}

.hero__scene {
  position: absolute; inset: 0; z-index: 20;
  display: flex; pointer-events: none;
  padding-inline: clamp(24px, 7vw, 132px);
  opacity: 0;
  will-change: opacity, transform;
}
.hero__scene a, .hero__scene .btn { pointer-events: auto; }

.hero__scene--cover  { flex-direction: column; align-items: center; justify-content: space-between; padding-block: max(14vh, calc(var(--nav-h) + 40px)) 8vh; text-align: center; }
.hero__scene--left   { align-items: center; justify-content: flex-start; }
.hero__scene--right  { align-items: center; justify-content: flex-end; }
.hero__scene--close  { align-items: flex-end; justify-content: center; padding-bottom: 9vh; }

.hero__eyebrow {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--brand);
}
.hero__cover-foot { max-width: 720px; }
.hero__h1 {
  font-size: clamp(1.18rem, 0.95rem + 0.95vw, 1.7rem);
  font-weight: 400; line-height: 1.42; letter-spacing: -0.01em;
  color: var(--ink-2);
}
.hero__rule { display: block; width: 46px; height: 2px; background: var(--brand); margin: 28px auto 0; }
.hero__meta {
  margin-top: 24px;
  font-family: var(--ff-mono); font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3);
}

.hero__panel { width: min(44vw, 580px); }
.hero__panel--center { width: min(90vw, 620px); text-align: center; }
.hero__kicker {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--brand);
}
.hero__title {
  margin-top: 16px;
  font-size: clamp(2.1rem, 1.2rem + 3.1vw, 3.9rem);
  font-weight: 700; line-height: 1.02; letter-spacing: -0.03em;
  text-transform: uppercase; color: #fff;
}
.hero__body {
  margin-top: 22px;
  font-size: clamp(1rem, 0.92rem + 0.5vw, 1.28rem);
  line-height: 1.52; color: rgba(255, 255, 255, 0.74);
}
.hero__specs {
  margin-top: 28px;
  font-family: var(--ff-mono); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase; color: rgba(255, 255, 255, 0.6);
}

.hero__stats {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 40px; margin: 42px 0 0;
}
.hero__stat {
  display: flex; flex-direction: column;
  border-top: 1px solid rgba(255, 255, 255, 0.16); padding-top: 12px;
}
.hero__stat dd {
  margin: 0;
  font-size: clamp(1.7rem, 1.1rem + 1.8vw, 2.7rem);
  font-weight: 700; line-height: 1.05; letter-spacing: -0.03em; color: #fff;
}
.hero__stat dt {
  order: 2; margin-top: 6px;
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(255, 255, 255, 0.55);
}

.hero__lead {
  font-size: clamp(1.06rem, 0.95rem + 0.65vw, 1.5rem);
  line-height: 1.42; color: #fff;
}
.hero__panel--center .hero__rule { margin-top: 26px; }
.hero__address {
  margin-top: 24px;
  font-family: var(--ff-mono); font-size: 0.78rem;
  letter-spacing: 0.04em; line-height: 2; color: rgba(255, 255, 255, 0.66);
}
.hero__address a:hover { color: var(--brand); }
.hero__panel--center .btn { margin-top: 28px; }


/* ═══ 06 · SERVICIOS (CARDS) ═════════════════════════════════════════════ */
.cards {
  display: grid; gap: var(--gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 310px), 1fr));
}
.card {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-1);
  transition: transform 460ms var(--ease-soft), box-shadow 460ms var(--ease-soft),
              border-color 460ms var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--sh-3); border-color: transparent; }

.card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--sand-2); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 760ms var(--ease-soft); }
.card:hover .card__media img { transform: scale(1.055); }
.card__badge {
  position: absolute; top: 14px; left: 14px;
  padding: 6px 14px; border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  font-size: var(--fs-xs); font-weight: 600; color: var(--ink);
  letter-spacing: 0.04em;
}

.card__body { display: flex; flex-direction: column; flex: 1; padding: clamp(22px, 2.4vw, 32px); }
.card__title { font-size: var(--fs-h3); margin-bottom: 12px; }
.card__clients {
  margin-top: auto; padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-sm); color: var(--ink-3);
}
.card__clients strong { color: var(--ink); }


/* ═══ 07 · RESUMEN, TABLAS, MÉTRICAS Y VIDEO ═════════════════════════════ */
.summary {
  display: grid; gap: clamp(32px, 4vw, 64px);
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: start;
}
.summary__lead { display: grid; gap: 20px; }

.factsheet {
  margin: 0; padding: clamp(20px, 2.4vw, 32px);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); box-shadow: var(--sh-1);
}
.factsheet__row {
  display: grid; grid-template-columns: minmax(120px, 0.72fr) minmax(0, 1fr);
  gap: 16px; padding-block: 13px;
  border-bottom: 1px solid var(--line);
}
.factsheet__row:last-child { border-bottom: 0; padding-bottom: 0; }
.factsheet__row:first-child { padding-top: 0; }
.factsheet dt {
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ink-3);
}
.factsheet dd { margin: 0; font-size: var(--fs-sm); font-weight: 500; color: var(--ink); }

.metrics {
  display: grid; gap: 0; margin-top: clamp(40px, 5vw, 72px);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); overflow: hidden;
}
/* mismo criterio que .steps: separadores por celda, nunca por `gap` */
.metric {
  padding: clamp(22px, 2.6vw, 34px); background: var(--surface); text-align: center;
  box-shadow: inset -1px 0 0 var(--line), inset 0 -1px 0 var(--line);
}
.metric__num {
  display: block;
  font-size: clamp(1.9rem, 1.2rem + 2.2vw, 3rem);
  font-weight: 700; line-height: 1; letter-spacing: -0.035em; color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.metric__label {
  display: block; margin-top: 10px;
  font-size: var(--fs-xs); font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-3);
}

.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  -webkit-overflow-scrolling: touch;
}
.data-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.data-table caption {
  padding: 20px clamp(18px, 2.2vw, 28px) 0;
  text-align: left; font-size: var(--fs-xs); color: var(--ink-3); caption-side: top;
}
.data-table th, .data-table td {
  padding: 15px clamp(18px, 2.2vw, 28px);
  text-align: left; font-size: var(--fs-sm);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.data-table thead th {
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-3);
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}
.data-table tbody th { font-weight: 600; color: var(--ink); }
.data-table tbody td { color: var(--ink-2); }
.data-table tbody tr { transition: background-color var(--dur) var(--ease); }
.data-table tbody tr:hover { background: var(--brand-tint); }
.data-table tbody tr:last-child th, .data-table tbody tr:last-child td { border-bottom: 0; }

.video { margin: clamp(40px, 5vw, 72px) 0 0; }
.video video {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
  border-radius: var(--r-lg); background: var(--dark);
  box-shadow: var(--sh-2);
}
.video figcaption { margin-top: 14px; font-size: var(--fs-xs); color: var(--ink-3); }


/* ═══ 08 · CLIENTES · CARRUSEL INFINITO ══════════════════════════════════ */
.marquee {
  position: relative;
  padding-block: clamp(28px, 3.4vw, 48px);
  margin-bottom: clamp(40px, 5vw, 72px);
  border-block: 1px solid var(--line);
  background: var(--sand);
  overflow: hidden;
  /* difuminado en los extremos para que el bucle nunca "corte" */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.marquee__track {
  display: flex; align-items: center;
  width: max-content;
  animation: marathon var(--marquee-dur, 46s) linear infinite;
}
/* El bucle se cierra en -50% exacto. Por eso la separación va como
   `margin-right` de cada item y NO como `gap` del contenedor: así el
   período (ancho + separación) se repite idéntico y nunca hay salto. */
.marquee__item { margin-right: clamp(36px, 5.5vw, 88px); }
@keyframes marathon { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(-50%, 0, 0); } }

/* pausa amable al pasar el cursor o al enfocar con teclado */
.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track { animation-play-state: paused; }

.marquee__item {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  flex: 0 0 auto;
  transition: transform 420ms var(--ease-soft);
}
.marquee__item img {
  width: clamp(130px, 13vw, 190px); height: auto;
  opacity: 0.55; filter: grayscale(1);
  transition: opacity 420ms var(--ease), filter 420ms var(--ease);
}
/* El nombre del cliente permanece visible: es la relación explícita
   entidad ↔ cliente que deben poder leer buscadores y modelos de lenguaje. */
.marquee__item span {
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.09em;
  white-space: nowrap;
  text-transform: uppercase; color: var(--ink-2);
  transition: color 420ms var(--ease);
}
.marquee__item:hover { transform: translateY(-4px); }
.marquee__item:hover img { opacity: 1; filter: grayscale(0); }
.marquee__item:hover span { color: var(--brand); }


/* ═══ 09 · PROCESO, FAQ Y CONTACTO ═══════════════════════════════════════ */
/* Los separadores van como `inset box-shadow` de cada celda, no como `gap`
   sobre un fondo: así, cuando la última fila queda incompleta (5 pasos en
   4 columnas), la celda vacía no pinta ninguna franja suelta. */
.steps {
  display: grid; gap: 0;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 215px), 1fr));
  background: var(--dark);
  border: 1px solid var(--on-dark-line);
  border-radius: var(--r-lg); overflow: hidden;
}
.step {
  padding: clamp(24px, 2.8vw, 36px);
  background: var(--dark);
  box-shadow: inset -1px 0 0 var(--on-dark-line), inset 0 -1px 0 var(--on-dark-line);
  transition: background-color 460ms var(--ease);
}
.step:hover { background: var(--dark-2); }
.step__num {
  display: block; margin-bottom: 18px;
  font-family: var(--ff-mono); font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.1em; color: var(--brand);
}
.step__title { font-size: 1.05rem; margin-bottom: 10px; }
.step p { font-size: var(--fs-sm); color: var(--on-dark-2); }

.faq { display: grid; gap: 12px; }
.faq__item {
  background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.faq__item[open] { border-color: var(--line-2); box-shadow: var(--sh-2); }
.faq__item:hover { border-color: var(--line-2); }

.faq__q {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: clamp(18px, 2vw, 24px) clamp(20px, 2.4vw, 30px);
  cursor: pointer; list-style: none;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q h3 { font-size: var(--fs-h3); font-weight: 600; }
.faq__icon {
  position: relative; flex: 0 0 auto; width: 22px; height: 22px;
}
.faq__icon::before, .faq__icon::after {
  content: ""; position: absolute; top: 50%; left: 50%;
  width: 13px; height: 2px; border-radius: 2px; background: var(--brand);
  transform: translate(-50%, -50%);
  transition: transform 380ms var(--ease);
}
.faq__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__item[open] .faq__icon::after { transform: translate(-50%, -50%) rotate(0deg); }

.faq__a { padding: 0 clamp(20px, 2.4vw, 30px) clamp(20px, 2.4vw, 28px); }
.faq__a p { color: var(--ink-2); }
/* apertura fluida (navegadores con soporte de interpolate-size) */
@supports (interpolate-size: allow-keywords) {
  .faq__item { interpolate-size: allow-keywords; }
  .faq__item::details-content {
    block-size: 0; overflow: hidden; opacity: 0;
    transition: block-size 420ms var(--ease), opacity 320ms var(--ease), content-visibility 420ms allow-discrete;
  }
  .faq__item[open]::details-content { block-size: auto; opacity: 1; }
}

.contact {
  display: grid; gap: clamp(32px, 4vw, 64px);
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
}
.contact__intro > p { margin-top: 18px; }
.contact__list { display: grid; gap: 20px; margin-top: 36px; }
.contact__list li { display: grid; gap: 4px; padding-top: 16px; border-top: 1px solid var(--line-2); }
.contact__label {
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-3);
}

.form {
  display: grid; gap: 16px;
  padding: clamp(24px, 3vw, 40px);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-xl); box-shadow: var(--sh-2);
}
.form__row { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.field { display: grid; gap: 7px; }
.field__label { font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.field__input {
  width: 100%; padding: 13px 16px;
  background: var(--sand); border: 1px solid var(--line);
  border-radius: var(--r); font-size: var(--fs-sm); color: var(--ink);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field__input::placeholder { color: var(--ink-3); opacity: 0.7; }
.field__input:hover { border-color: var(--line-2); }
.field__input:focus {
  outline: none; background: var(--surface);
  border-color: var(--brand); box-shadow: var(--sh-focus);
}
textarea.field__input { resize: vertical; min-height: 118px; }
select.field__input { appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(50% + 2px), calc(100% - 14px) calc(50% + 2px);
  background-size: 6px 6px, 6px 6px; background-repeat: no-repeat;
}
.form__note { font-size: var(--fs-xs); color: var(--ink-3); text-align: center; }
.form__note a { color: var(--ink-2); }


/* ═══ 10 · FOOTER ════════════════════════════════════════════════════════ */
.site-footer {
  padding-block: clamp(56px, 6vw, 88px) 32px;
  background: var(--dark); color: var(--on-dark-2);
}
.footer__grid {
  display: grid; gap: clamp(32px, 4vw, 56px);
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
}
.footer__logo { height: 40px; width: auto; }
.footer__tagline { margin-top: 20px; font-size: var(--fs-lead); color: var(--on-dark); }
.footer__legal-sm { margin-top: 12px; font-size: var(--fs-sm); max-width: 42ch; }

.footer__title {
  margin-bottom: 18px;
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--on-dark);
}
.footer__list { display: grid; gap: 11px; font-size: var(--fs-sm); }
.footer__list a { color: var(--on-dark-2); }
.footer__list a:hover { color: var(--brand); }
.footer__list address { line-height: 1.6; }

.footer__social { display: flex; gap: 10px; margin-top: 26px; }
.footer__social a {
  display: grid; place-items: center; width: 40px; height: 40px;
  border: 1px solid var(--on-dark-line); border-radius: var(--r-pill);
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.04em;
  color: var(--on-dark-2); text-transform: uppercase;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.footer__social a:hover { background: var(--brand); border-color: var(--brand); color: #fff; transform: translateY(-3px); }

.footer__bar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px;
  margin-top: clamp(44px, 5vw, 72px); padding-top: 26px;
  border-top: 1px solid var(--on-dark-line);
  font-size: var(--fs-xs);
}
.footer__meta { display: flex; flex-wrap: wrap; gap: 22px; }
.footer__meta a:hover { color: var(--brand); }


/* ═══ 11 · ANIMACIONES DE ENTRADA ════════════════════════════════════════ */
/* Revelación por scroll: el elemento sube y aparece al entrar en viewport. */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 26px, 0);
  transition: opacity var(--dur-lg) var(--ease-soft), transform var(--dur-lg) var(--ease-soft);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-revealed { opacity: 1; transform: none; }

/* Revelación tipográfica: cada palabra emerge desde una máscara.
   script.js envuelve las palabras de los .section__title automáticamente. */
.word { display: inline-block; overflow: hidden; vertical-align: bottom; }
.word > i {
  display: inline-block; font-style: inherit;
  transform: translate3d(0, 108%, 0);
  transition: transform 820ms var(--ease-soft);
  transition-delay: var(--word-delay, 0ms);
}
.is-revealed .word > i, [data-reveal].is-revealed .word > i { transform: none; }

/* Respeta la preferencia de movimiento reducido del sistema */
@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;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .word > i { transform: none; }
  .marquee__track { animation: none; }
  .marquee { -webkit-mask-image: none; mask-image: none; overflow-x: auto; }
}


/* ═══ 12 · RESPONSIVE ════════════════════════════════════════════════════ */
@media (max-width: 1080px) {
  .summary, .contact { grid-template-columns: minmax(0, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__col--brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  :root { --nav-h: 62px; }

  .burger { display: block; }

  /* El panel del menú cubre toda la pantalla, así que la marca tiene que
     quedar por encima de él para no desaparecer al abrirlo. */
  .brand { position: relative; z-index: 2; }

  /* Menú móvil a pantalla completa */
  .nav {
    position: fixed; inset: 0;
    flex-direction: column; align-items: flex-start; justify-content: center;
    gap: 32px;
    padding: calc(var(--nav-h) + 32px) var(--pad-x) 48px;
    background: rgba(255, 255, 255, 0.94);
    -webkit-backdrop-filter: saturate(1.6) blur(20px);
            backdrop-filter: saturate(1.6) blur(20px);
    opacity: 0; visibility: hidden;
    transform: translate3d(0, -12px, 0);
    transition: opacity 380ms var(--ease), transform 460ms var(--ease-soft), visibility 380ms;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }

  .nav__list { flex-direction: column; align-items: flex-start; gap: 6px; width: 100%; }
  .nav__list li { width: 100%; overflow: hidden; }
  .nav__link {
    display: block; width: 100%; padding-block: 12px;
    font-size: clamp(1.5rem, 6vw, 2.1rem); font-weight: 600;
    letter-spacing: -0.02em; color: var(--ink) !important;
    border-bottom: 1px solid var(--line);
    transform: translate3d(0, 100%, 0); opacity: 0;
    transition: transform 560ms var(--ease-soft), opacity 380ms var(--ease), color var(--dur) var(--ease);
    transition-delay: var(--i-delay, 0ms);
  }
  .nav.is-open .nav__link { transform: none; opacity: 1; }
  .nav__link::after { display: none; }
  .nav__cta { width: 100%; padding-block: 15px; }

  /* Hero: los paneles pasan a ancho completo y a la parte baja */
  .hero__scene--left, .hero__scene--right { align-items: flex-end; justify-content: center; padding-bottom: 12vh; }
  .hero__panel { width: 100%; max-width: 560px; }
  .hero__stats { gap: 18px 24px; margin-top: 30px; }
  .hero__title { font-size: clamp(1.9rem, 7.4vw, 2.6rem); }
}

@media (max-width: 640px) {
  .footer__grid { grid-template-columns: minmax(0, 1fr); }
  .footer__bar { flex-direction: column; align-items: flex-start; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .factsheet__row { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .hero__scene--cover { padding-block: max(13vh, calc(var(--nav-h) + 28px)) 7vh; }
  .hero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}