/* ══════════════════════════════════════════════════════════════
   2labs.app — hoja de estilos
   Minimal claro. Blanco, aire, tipografía. Un solo acento.
   ══════════════════════════════════════════════════════════════ */

/* ─── Tokens ─────────────────────────────────────────────────── */
:root {
  --bg:          #ffffff;
  --bg-alt:      #fafaf9;
  --ink:         #0c0c0c;
  --ink-soft:    #45454a;
  --ink-mute:    #86868b;
  --line:        #e7e7e4;
  --line-soft:   #f0f0ed;
  --accent:      #3d3af0;
  --accent-soft: #eeeefe;

  /* Los tres conceptos: proceso, objetivo, resultado.
     Tomados del infográfico pero bajados de saturación para que
     funcionen sobre blanco sin apagar la tipografía. */
  --c-process: #2f7d3b;
  --c-goal:    #17548e;
  --c-result:  #d9720b;

  /* Una sola familia en toda la web. La jerarquía la dan el peso,
     el tamaño y el interletrado, no un segundo tipo. */
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --shell:  1120px;
  --gutter: clamp(20px, 5vw, 40px);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;

  --ease: cubic-bezier(.22, 1, .36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ol, ul { list-style: none; padding: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 999;
  background: var(--ink);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--r-sm);
  font-size: 15px;
}
.skip-link:focus { left: 12px; }

/* ─── Layout ─────────────────────────────────────────────────── */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(72px, 11vw, 132px); }
.section--alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--line-soft);
}

.section__head { max-width: 640px; margin-bottom: clamp(44px, 6vw, 72px); }

.section__title {
  font-weight: 600;
  font-size: clamp(1.9rem, 4.2vw, 2.85rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-top: 14px;
}

.section__lead {
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.6vw, 1.16rem);
  margin-top: 18px;
  max-width: 56ch;
}

.eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ─── Botones ────────────────────────────────────────────────── */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bd: var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s var(--ease),
              border-color .25s var(--ease), color .25s var(--ease), opacity .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--dark  { --btn-bg: var(--ink); --btn-fg: #fff; --btn-bd: var(--ink); }
.btn--dark:hover { --btn-bg: #262626; --btn-bd: #262626; }

.btn--ghost:hover { --btn-bd: var(--ink); }

.btn--sm   { padding: 10px 20px; font-size: 14px; }
.btn--full { width: 100%; padding-block: 16px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* ─── Logo ───────────────────────────────────────────────────── */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 19px;
  letter-spacing: -0.03em;
}
.logo__mark {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  background: var(--ink);
  color: #fff;
  border-radius: 7px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
}
.logo__word { font-weight: 600; }

/* ─── Nav ────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-stuck { border-bottom-color: var(--line); }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.nav__links {
  display: flex;
  gap: 30px;
  font-size: 15px;
  color: var(--ink-soft);
}
.nav__links a { position: relative; transition: color .2s; }
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -5px;
  height: 1.5px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after,
.nav__links a.is-current::after { transform: scaleX(1); }
.nav__links a.is-current { color: var(--ink); }

.nav__actions { display: flex; align-items: center; gap: 14px; }

/* Selector de idioma */
.lang {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-mute);
}
.lang__btn {
  display: inline-block;
  background: none;
  border: 0;
  padding: 5px 7px;
  cursor: pointer;
  border-radius: 6px;
  color: inherit;
  font: inherit;
  line-height: 1;
  text-decoration: none;
  transition: color .2s, background .2s;
}
.lang__btn:hover { color: var(--ink); }
.lang__btn.is-active,
.lang__btn[aria-current="true"] { color: var(--ink); font-weight: 600; }
.lang__sep { width: 1px; height: 12px; background: var(--line); }

/* Burger */
.burger {
  display: none;
  width: 40px; height: 40px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.burger span {
  display: block;
  width: 16px; height: 1.5px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .2s;
}
.burger span + span { margin-top: 4.5px; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child  { transform: translateY(-3px) rotate(-45deg); }

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  padding-top: clamp(64px, 11vw, 118px);
  padding-bottom: clamp(64px, 9vw, 104px);
  position: relative;
}
.hero::after {
  content: "";
  position: absolute;
  top: -180px;
  right: -12%;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, var(--accent-soft) 0%, rgba(255,255,255,0) 68%);
  pointer-events: none;
  z-index: -1;
}

.hero__title {
  font-weight: 600;
  font-size: clamp(2.5rem, 6.8vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  margin-top: 20px;
  /* Holgado para que el italiano y el español, más largos que el inglés,
     no partan la primera línea. El salto lo marca el <br> del texto. */
  max-width: 21ch;
  text-wrap: pretty;
}
/* La segunda línea del titular baja de tono en vez de cambiar de tipo */
.hero__title em {
  font-style: normal;
  color: var(--ink-mute);
}

.hero__lead {
  margin-top: 26px;
  max-width: 54ch;
  font-size: clamp(1.06rem, 1.9vw, 1.24rem);
  color: var(--ink-soft);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: clamp(56px, 8vw, 88px);
  padding-top: 34px;
  border-top: 1px solid var(--line);
  max-width: 640px;
}
.stat__num {
  font-size: clamp(2rem, 4.2vw, 2.7rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
}
.stat__label {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--ink-mute);
  max-width: 20ch;
}

/* ─── Pilares: eficiente · eficaz · efectivo ─────────────────── */
/* En reposo todo es negro y gris, como el resto de la web y como las
   capturas de producto. El color aparece solo al pasar el cursor. */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.pillar {
  --c: var(--ink);
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  padding: clamp(28px, 3.4vw, 40px);
  transition: background .35s var(--ease);
}
.pillar--1 { --c: var(--c-process); }
.pillar--2 { --c: var(--c-goal); }
.pillar--3 { --c: var(--c-result); }

/* Banda superior: crece de izquierda a derecha al pasar por encima */
.pillar::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--c);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease);
}
.pillar:hover::before { transform: scaleX(1); }
.pillar:hover { background: var(--bg-alt); }

.pillar__icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1.5px solid var(--line);
  border-radius: 50%;
  color: var(--ink-mute);
  margin-bottom: 22px;
  transition: background .35s var(--ease), color .35s var(--ease),
              border-color .35s var(--ease);
}
.pillar__icon svg { width: 22px; height: 22px; }
.pillar:hover .pillar__icon {
  background: var(--c);
  border-color: var(--c);
  color: #fff;
}

.pillar__title {
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.pillar__sub {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color .35s var(--ease);
}
.pillar:hover .pillar__sub { color: var(--c); }

.pillar__text {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  color: var(--ink-soft);
  font-size: 15.5px;
}

/* margin-top:auto empuja la etiqueta al fondo: las tres quedan
   alineadas aunque los textos de arriba midan distinto */
.pillar__tag {
  margin-top: auto;
  padding-top: 24px;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* Remate: «no solo hacemos, logramos» */
.pillars__closer {
  margin-top: clamp(40px, 5vw, 60px);
  text-align: center;
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--ink-mute);
  text-wrap: balance;
}
.pillars__closer strong {
  color: var(--ink);
  font-weight: 600;
  position: relative;
  white-space: nowrap;
}
/* Gris en reposo; al pasar el cursor se revelan los tres colores */
.pillars__closer strong::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  border-radius: 2px;
  background: var(--line);
  transition: background .45s var(--ease);
}
.pillars__closer:hover strong::after {
  background: linear-gradient(90deg,
    var(--c-process) 0 33.3%, var(--c-goal) 33.3% 66.6%, var(--c-result) 66.6%);
}

/* En pantallas táctiles no hay cursor: el color se muestra ya */
@media (hover: none) {
  .pillar::before { transform: scaleX(1); }
  .pillar__icon { border-color: var(--c); color: var(--c); }
  .pillar__sub { color: var(--c); }
  .pillars__closer strong::after {
    background: linear-gradient(90deg,
      var(--c-process) 0 33.3%, var(--c-goal) 33.3% 66.6%, var(--c-result) 66.6%);
  }
}

/* ─── Tarjetas de producto ───────────────────────────────────── */
/* Carrusel horizontal.

   Hecho con scroll nativo y scroll-snap, no con una librería: las cuatro
   tarjetas siguen estando en el HTML (que es lo que indexa Google) y solo
   cambia cómo se ven. Se desliza con el dedo o con el trackpad aunque no
   haya JavaScript; los botones son un extra. */
.carousel { position: relative; }

.cards {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  /* hueco para que la sombra y el salto del hover no se recorten */
  padding: 8px 4px 14px;
  margin: -8px -4px -14px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  overscroll-behavior-x: contain;
}
.cards::-webkit-scrollbar { display: none; }
.cards:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.card {
  flex: 0 0 44%;
  scroll-snap-align: start;
}

/* Los controles solo aparecen si hay JavaScript: sin él no harían nada,
   pero el carrusel se sigue deslizando igual. */
.carousel__nav { display: none; }
.js .carousel__nav {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 26px;
}

.carousel__btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  cursor: pointer;
  padding: 0;
  transition: border-color .25s var(--ease), background .25s var(--ease),
              opacity .25s var(--ease), transform .25s var(--ease);
}
.carousel__btn svg { width: 19px; height: 19px; }
.carousel__btn:hover:not([disabled]) { border-color: var(--ink); transform: translateY(-2px); }
.carousel__btn:active:not([disabled]) { transform: translateY(0); }
.carousel__btn[disabled] { opacity: .3; cursor: default; }

@media (max-width: 1000px) { .card { flex-basis: 58%; } }
@media (max-width: 720px)  { .card { flex-basis: 86%; } }

/* Quien prefiera menos movimiento, salta en seco en vez de deslizarse */
@media (prefers-reduced-motion: reduce) {
  .cards { scroll-behavior: auto; }
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: #d6d6d1;
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, .28);
}

/* Captura del producto: en blanco y negro hasta que pasas por encima */
.card__shot {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
}
.card__shot picture {
  display: block;
  width: 100%;
  height: 100%;
}
.card__shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  filter: grayscale(1) contrast(1.04) brightness(1.02);
  transform: scale(1.005);
  transition: filter .55s var(--ease), transform .8s var(--ease);
}
.card:hover .card__shot img,
.card:focus-visible .card__shot img {
  filter: grayscale(0) contrast(1) brightness(1);
  transform: scale(1.04);
}

/* En pantallas táctiles no hay hover: se muestran ya en color */
@media (hover: none) {
  .card__shot img { filter: none; transform: none; }
}

.card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: clamp(22px, 2.6vw, 28px);
}

.card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.card__badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink-soft);
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px 5px 10px;
}
.card__badge::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #16a34a;
}
.card__arrow {
  font-size: 17px;
  color: var(--ink-mute);
  transition: transform .3s var(--ease), color .3s;
}
.card:hover .card__arrow { transform: translate(3px, -3px); color: var(--ink); }

.card__title {
  font-weight: 600;
  font-size: 1.42rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.card__text {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 15.5px;
  flex: 1;
}
.card__tag {
  margin-top: 20px;
  font-size: 13px;
  color: var(--ink-mute);
  letter-spacing: -0.005em;
}

/* ─── Pasos ──────────────────────────────────────────────────── */
.steps {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.step {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: clamp(16px, 4vw, 48px);
  padding-block: clamp(26px, 3.6vw, 38px);
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: padding-left .35s var(--ease);
}
.step:hover { padding-left: 8px; }
.step__num {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink-mute);
  line-height: 1.5;
  letter-spacing: -0.01em;
}
.step__title {
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -0.018em;
}
.step__text {
  margin-top: 10px;
  color: var(--ink-soft);
  max-width: 62ch;
  font-size: 16px;
}

/* ─── Cita ───────────────────────────────────────────────────── */
.quote {
  padding-block: clamp(76px, 10vw, 124px);
  text-align: center;
}
.quote__text {
  font-weight: 500;
  font-size: clamp(1.4rem, 3.1vw, 2.15rem);
  line-height: 1.3;
  letter-spacing: -0.035em;
  max-width: 24ch;
  margin-inline: auto;
  text-wrap: balance;
}
.quote__by {
  margin-top: 22px;
  font-size: 14px;
  color: var(--ink-mute);
}

/* ─── Contacto ───────────────────────────────────────────────── */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 84px);
  align-items: start;
}
.contact__intro { position: sticky; top: 108px; }

.contact__meta {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
  font-size: 15px;
}
.contact__meta li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.contact__meta span { color: var(--ink-mute); flex-shrink: 0; }
.contact__address address {
  font-style: normal;
  text-align: right;
  line-height: 1.5;
}
.contact__meta a { border-bottom: 1px solid var(--line); transition: border-color .2s; }
.contact__meta a:hover { border-bottom-color: var(--ink); }

/* ─── Formulario ─────────────────────────────────────────────── */
.form {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(24px, 3.4vw, 38px);
  display: grid;
  gap: 18px;
}
.field { display: grid; gap: 7px; }
.field label {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-soft);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 13px 15px;
  font-size: 15.5px;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 128px; line-height: 1.55; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%2386868b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
  padding-right: 40px;
  cursor: pointer;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(12, 12, 12, .06);
}
.field.has-error input,
.field.has-error textarea { border-color: #dc2626; }
.field__err {
  font-size: 12.5px;
  color: #dc2626;
  min-height: 0;
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}

.form__status {
  font-size: 14.5px;
  margin-top: -4px;
  display: none;
  padding: 12px 15px;
  border-radius: var(--r-md);
  line-height: 1.5;
}
.form__status.is-ok {
  display: block;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #15803d;
}
.form__status.is-err {
  display: block;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
}
.form__note {
  font-size: 12.5px;
  color: var(--ink-mute);
  text-align: center;
  line-height: 1.5;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--line);
  padding-block: clamp(44px, 6vw, 64px);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px 24px;
  align-items: start;
}
.footer__tag {
  margin-top: 12px;
  font-size: 14.5px;
  color: var(--ink-mute);
  max-width: 30ch;
}
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-size: 14.5px;
  color: var(--ink-soft);
}
.footer__nav a:hover { color: var(--ink); }
.footer__copy {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--ink-mute);
}

/* ─── Página 404 ─────────────────────────────────────────────── */
/* Vivían dentro de 404.html como <style> inline, pero la CSP del
   sitio no permite estilos en línea y la página salía sin formato. */
.nf {
    min-height: 100svh;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 40px var(--gutter);
  }
  .nf__code {
    font-size: clamp(4rem, 14vw, 8rem);
    font-weight: 600;
    line-height: .9;
    letter-spacing: -0.06em;
  }
  .nf__title {
    font-weight: 600;
    font-size: clamp(1.35rem, 3.2vw, 1.9rem);
    letter-spacing: -0.03em;
    margin-top: 20px;
  }
  .nf__text { color: var(--ink-soft); margin-top: 14px; max-width: 42ch; margin-inline: auto; }
  .nf__actions { margin-top: 32px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
  .nf__logo { margin-bottom: 40px; display: inline-flex; }
  .nf__langs {
    margin-top: 34px;
    font-size: 14px;
    color: var(--ink-mute);
    display: flex;
    gap: 10px;
    justify-content: center;
  }
  .nf__langs a { border-bottom: 1px solid var(--line); }
  .nf__langs a:hover { border-bottom-color: var(--ink); }

/* ─── Animación de entrada ───────────────────────────────────── */
/* Sin JS el contenido se ve tal cual: la animación solo existe
   cuando el script inline del <head> marca .js en el <html>. */
.reveal { transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal { opacity: 0; transform: translateY(18px); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .contact { grid-template-columns: 1fr; }
  .contact__intro { position: static; }
}

@media (max-width: 780px) {
  .nav__links {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 20px;
    font-size: 17px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  }
  .nav__links.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__links a { padding-block: 14px; border-bottom: 1px solid var(--line-soft); }
  .nav__links a::after { display: none; }

  .burger { display: grid; }
  .nav__cta { display: none; }
  .step { grid-template-columns: 1fr; gap: 4px; }
  .step__num { font-size: 1.15rem; }
  .stats { grid-template-columns: 1fr; gap: 22px; }
  .stat__label { max-width: none; }
  .footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .hero__actions .btn { width: 100%; }
}

/* ─── Preferencias del sistema ───────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .nav, .burger, .form, .reveal { opacity: 1; }
  body { font-size: 12pt; }
}