/* =============================================================
   MAIND COMUNICACIÓN — Rediseño 2026
   Arquetipo: Mouse-Reactive Gradient (negro + blanco + rojo Maind)
   =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:      #0a0a0b;
  --bg-2:    #141416;
  --ink:     #fafaf8;
  --mute:    #9c9c9e;
  --accent:  #e8354d;              /* rojo Maind — tomado del logo */
  --accent-deep: #7a1024;
  --gradient-1: #e8354d;
  --gradient-2: #7a1024;
  --gradient-3: #2a0910;
  --line:    rgba(250, 250, 248, 0.14);

  --display: "Inter", system-ui, sans-serif;
  --sans:    "Inter", system-ui, sans-serif;
  --mono:    "Inter", system-ui, sans-serif;

  --gutter: clamp(1.25rem, 4vw, 4.5rem);

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; line-height: 1.02; letter-spacing: -0.02em; }
strong { font-weight: 800; }
em { font-style: italic; }
::selection { background: var(--accent); color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--ink); color: var(--bg);
  z-index: 9999; font-weight: 500;
}
.skip-link:focus { top: 1rem; }

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

.kicker {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

/* =============================================================
   3. Reveals (defensivo: contenido visible sin JS)
   ============================================================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }
/* Sin JS, todo visible: */
html:not(.js) .reveal { opacity: 1; transform: none; }

/* Parallax genérico — JS escribe --py; sin JS queda en 0 */
[data-parallax] { transform: translateY(var(--py, 0px)); will-change: transform; }
[data-hero-parallax] { will-change: transform, opacity; }

/* =============================================================
   4. Botones
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: 0.85rem 1.9rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border: 1px solid var(--ink);
  transition: background .25s var(--ease-out), color .25s var(--ease-out), border-color .25s var(--ease-out);
}
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.btn-primary:hover { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }

/* =============================================================
   5. Nav + logo
   ============================================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem;
  padding: 1.1rem var(--gutter);
  transition: background .35s var(--ease-soft), backdrop-filter .35s var(--ease-soft), padding .35s var(--ease-soft);
}
.nav.is-solid {
  padding-block: 0.75rem;
  background: rgba(10, 10, 11, 0.9);
}
@supports (backdrop-filter: blur(12px)) {
  .nav.is-solid { background: rgba(10, 10, 11, 0.72); backdrop-filter: blur(12px); }
}

.logo { display: inline-flex; align-items: center; }
.logo img { height: 44px; width: auto; }

.nav-links { display: none; gap: 2.2rem; }
.nav-links a {
  position: relative;
  font-size: 0.88rem;
  font-weight: 400;
  padding-block: 4px;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: right;
  transition: transform .35s var(--ease-out);
}
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { display: none; }

.nav-burger {
  display: inline-flex; flex-direction: column; gap: 6px; padding: 8px;
}
.nav-burger span { width: 26px; height: 2px; background: var(--ink); transition: transform .3s var(--ease-out), opacity .3s; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 90;
  display: flex; flex-direction: column; justify-content: center; gap: 1rem;
  padding: var(--gutter);
  background: var(--bg);
  opacity: 0; pointer-events: none;
  transition: opacity .35s var(--ease-out);
}
.mobile-menu.is-open { opacity: 1; pointer-events: auto; }
/* Bloquea el scroll de fondo con el menú abierto */
body.menu-open { overflow: hidden; }
.mobile-menu a {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.4rem, 10vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.mobile-menu a:hover { color: var(--accent); }

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-burger, .mobile-menu { display: none; }
}

/* =============================================================
   6. Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 7rem var(--gutter) 5rem;
}
.hero-media { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-tint {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(10, 10, 11, 0.78) 0%,
    rgba(10, 10, 11, 0.55) 45%,
    rgba(10, 10, 11, 0.88) 100%);
}
.hero-gradient {
  position: absolute; inset: 0; z-index: 0;
  mix-blend-mode: screen;
  background:
    radial-gradient(circle 620px at var(--mx, 70%) var(--my, 35%), var(--gradient-1) 0%, transparent 55%),
    radial-gradient(circle 900px at calc(var(--mx, 70%) + 14%) calc(var(--my, 35%) - 12%), var(--gradient-2) 0%, transparent 58%),
    radial-gradient(circle 1100px at calc(var(--mx, 70%) - 20%) calc(var(--my, 35%) + 25%), var(--gradient-3) 0%, transparent 65%),
    var(--bg);
  filter: blur(48px) saturate(140%);
  opacity: 0.55;
}
.hero-inner { position: relative; z-index: 1; max-width: 1400px; }

.hero-title {
  font-family: var(--display);
  font-weight: 850;
  font-size: clamp(2.8rem, 9vw, 9rem);
  line-height: 0.94;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.hero-title .line { display: block; }
.line-outline {
  /* Peso máximo: trazos gruesos separan bien las dos líneas del contorno
     y el hueco se lee limpio (look "hollow" clásico) */
  font-weight: 900;
  font-variation-settings: "opsz" 32;
  letter-spacing: 0.01em;
  color: var(--ink);
  transition: color .4s var(--ease-out), -webkit-text-stroke-color .4s var(--ease-out);
}
/* Solo en pantallas grandes, donde el tamaño le da aire al efecto */
@media (min-width: 720px) {
  @supports (-webkit-text-stroke: 1px black) {
    .line-outline {
      color: transparent;
      -webkit-text-stroke: 0.014em var(--ink);
    }
    .hero-title:hover .line-outline {
      color: var(--accent);
      -webkit-text-stroke-color: var(--accent);
    }
  }
}
/* En móvil: rellena, con el rojo como acento */
@media (max-width: 719px) {
  .line-outline { color: var(--accent); }
}

.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: var(--mute);
  max-width: 46ch;
  margin-bottom: 2.6rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero-foot {
  position: absolute; left: var(--gutter); right: var(--gutter); bottom: 1.6rem;
  z-index: 1;
  display: flex; align-items: center; gap: 1.5rem;
}
.hero-foot-line { flex: 1; height: 1px; background: var(--line); }
/* En pantallas muy chicas, las coordenadas no aportan y pueden desbordar */
@media (max-width: 539px) {
  .hero-foot .mono:last-child { display: none; }
}

/* =============================================================
   7. Manifiesto
   ============================================================= */
.manifesto {
  padding: clamp(6rem, 14vh, 11rem) var(--gutter);
  max-width: 1100px;
  margin-inline: auto;
}
.manifesto-text {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.2vw, 2.6rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
}
.manifesto-text strong { font-weight: 700; }
.manifesto-text .accent { color: var(--accent); }

/* =============================================================
   8. Servicios (filas expandibles + hover invert)
   ============================================================= */
.services { padding: clamp(4rem, 10vh, 8rem) 0; }
.section-head { padding: 0 var(--gutter) 3rem; }
.section-title {
  font-family: var(--display);
  font-weight: 250;
  font-size: clamp(2.4rem, 6vw, 5.5rem);
  letter-spacing: -0.035em;
}
.section-title strong { font-weight: 800; }

.service-list { border-top: 1px solid var(--line); }
.service-row { border-bottom: 1px solid var(--line); }

.service-trigger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.2rem 2rem;
  width: 100%;
  text-align: left;
  padding: 1.7rem var(--gutter);
  transition: background .22s var(--ease-out), color .22s var(--ease-out);
}
.service-num { grid-row: span 2; }
.service-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.8vw, 3.2rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.service-name em { font-style: italic; font-weight: 300; }
.service-tag {
  grid-column: 2;
  font-size: 0.85rem;
  color: var(--mute);
  transition: color .22s var(--ease-out);
}
.service-plus {
  grid-column: 3; grid-row: 1 / span 2;
  font-family: var(--display);
  font-weight: 300;
  font-size: 2rem;
  line-height: 1;
  transition: transform .35s var(--ease-out);
}

/* Hover invert — la firma del arquetipo */
@media (hover: hover) and (pointer: fine) {
  .service-trigger:hover { background: var(--ink); color: var(--bg); }
  .service-trigger:hover .service-tag { color: var(--bg); }
  .service-trigger:hover .service-num { color: var(--accent); }
  .service-trigger:hover .service-plus { color: var(--accent); }
}

/* Flecha se desliza al hover de la fila */
@media (hover: hover) and (pointer: fine) {
  .service-trigger:hover .service-plus { transform: translateX(6px); }
}

/* =============================================================
   9. Stats
   ============================================================= */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
  margin: clamp(4rem, 10vh, 8rem) 0;
}
.stat {
  background: var(--bg);
  padding: 3rem var(--gutter);
  display: flex; flex-direction: column;
}
.stat-value { display: flex; align-items: baseline; }
.stat-num, .stat-suffix {
  font-family: var(--display);
  font-weight: 850;
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat-num { color: var(--ink); }
.stat-suffix { color: var(--accent); }
.stat-label { margin-top: .9rem; }
@media (min-width: 960px) {
  .stats { grid-template-columns: repeat(4, 1fr); }
}

/* =============================================================
   9b. Clientes (marquee)
   ============================================================= */
.clients { padding: clamp(4rem, 10vh, 8rem) 0 2rem; }
.clients-marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.clients-track {
  display: flex;
  width: max-content;
  animation: clientsMarquee 36s linear infinite;
  padding-block: 2.5rem;
}
.clients-set {
  display: flex;
  align-items: center;
  gap: clamp(3rem, 6vw, 5.5rem);
  padding-right: clamp(3rem, 6vw, 5.5rem);
}
.clients-set img {
  height: 40px;
  width: auto;
  opacity: 0.75;
  transition: opacity .3s var(--ease-out);
}
.clients-set img:hover { opacity: 1; }
.clients-set img.cl-tall { height: 56px; }
.clients-set img.cl-short { height: 30px; }
@keyframes clientsMarquee {
  to { transform: translateX(-50%); }
}
@media (max-width: 719px) {
  .clients-set img { height: 30px; }
  .clients-set img.cl-tall { height: 42px; }
  .clients-set img.cl-short { height: 24px; }
}

/* =============================================================
   10. Casos
   ============================================================= */
.cases { padding: clamp(4rem, 10vh, 8rem) var(--gutter); }
.case-grid {
  display: grid;
  gap: 2.5rem;
}
@media (min-width: 960px) {
  .case-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}

.case-card { display: flex; flex-direction: column; }
.case-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  display: flex; align-items: flex-end;
  margin-bottom: 1.4rem;
  transition: transform .4s var(--ease-out);
}
.case-visual-a { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 60%, var(--bg-2) 100%); }
.case-visual img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease-out), filter .5s var(--ease-out);
}
.case-card:hover .case-visual img { transform: scale(1.05); filter: saturate(1.15); }
.case-index { position: relative; z-index: 1; }
.case-visual-b { background: linear-gradient(160deg, var(--bg-2) 0%, var(--accent-deep) 70%, var(--accent) 130%); }
.case-visual-c { background: linear-gradient(115deg, var(--accent-deep) 0%, var(--bg-2) 55%, var(--accent) 145%); }
.case-index {
  font-family: var(--display);
  font-weight: 850;
  font-size: clamp(6rem, 12vw, 9rem);
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(250, 250, 248, 0.55);
  transform: translate(0.5rem, calc(1rem + var(--py, 0px)));
  transition: -webkit-text-stroke-color .35s var(--ease-out), color .35s var(--ease-out);
}
.case-card:hover .case-visual { transform: translateY(-6px); }
.case-card:hover .case-index { color: var(--ink); -webkit-text-stroke-color: var(--ink); }

.case-cat { color: var(--accent); margin-bottom: .6rem; }
.case-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.45rem;
  margin-bottom: .7rem;
}
.case-title strong { font-weight: 750; }
.case-title em { font-style: italic; font-weight: 300; }
.case-desc { color: var(--mute); font-size: 0.95rem; margin-bottom: 1rem; }
.case-metric { font-size: 0.95rem; border-top: 1px solid var(--line); padding-top: .9rem; margin-top: auto; }
.case-metric .mono { color: var(--accent); margin-right: .6rem; }

.cases-note { margin-top: 3rem; }

/* =============================================================
   11. Contacto
   ============================================================= */
.contact {
  padding: clamp(6rem, 14vh, 11rem) var(--gutter);
  border-top: 1px solid var(--line);
}
.contact-title {
  font-family: var(--display);
  font-weight: 250;
  font-size: clamp(3rem, 9vw, 8.5rem);
  letter-spacing: -0.045em;
  margin-bottom: 3rem;
}
.contact-title strong { font-weight: 800; }
.contact-email {
  position: relative;
  display: inline-block;
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.15rem, 3.4vw, 2.6rem);
  letter-spacing: -0.01em;
  word-break: break-all;
  padding-bottom: 6px;
}
.contact-underline {
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px; background: var(--accent);
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease-out);
}
.contact-email:hover .contact-underline { transform: scaleX(1); transform-origin: left; }
.contact-email:hover { color: var(--accent); transition: color .3s var(--ease-out); }

.offices {
  display: grid;
  gap: 2.5rem;
  margin-top: 5rem;
}
@media (min-width: 720px) {
  .offices { grid-template-columns: repeat(3, 1fr); }
}
.office p { color: var(--mute); font-size: 0.95rem; }
.office-city { margin-bottom: .8rem; color: var(--ink); }
.office-link { color: var(--ink); border-bottom: 1px solid var(--accent); }
.office-link:hover { color: var(--accent); }

/* =============================================================
   12. Footer
   ============================================================= */
.footer {
  border-top: 1px solid var(--line);
  padding: 4rem var(--gutter) 0;
  overflow: hidden;
}
.footer-top {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  align-items: flex-end; gap: 2.5rem;
  margin-bottom: 3.5rem;
}
.footer-cta-link {
  display: inline-block;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  letter-spacing: -0.03em;
  line-height: 1;
  transition: color .3s var(--ease-out);
}
.footer-cta-arrow { display: inline-block; transition: transform .3s var(--ease-out); }
.footer-cta-link:hover { color: var(--accent); }
.footer-cta-link:hover .footer-cta-arrow { transform: translateX(10px); }
.footer-links {
  display: flex; flex-wrap: wrap; gap: 0.6rem 2.2rem;
  font-size: 0.9rem; color: var(--mute);
}
.footer-links a { transition: color .25s var(--ease-out); }
.footer-links a:hover { color: var(--accent); }
.footer-meta {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1.6rem;
  padding-bottom: 2rem;
}

/* =============================================================
   12a. Subpáginas de servicios
   ============================================================= */
@view-transition { navigation: auto; }
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.45s;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}
::view-transition-old(root) { animation-name: pageOut; }
::view-transition-new(root) { animation-name: pageIn; }
@keyframes pageOut { to { opacity: 0; transform: translateY(-14px); } }
@keyframes pageIn { from { opacity: 0; transform: translateY(14px); } }

.svc-hero {
  position: relative;
  min-height: 62vh;
  min-height: 62svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 8rem var(--gutter) 3.5rem;
  border-bottom: 1px solid var(--line);
  overflow: clip;
}
.svc-hero .hero-gradient { opacity: 0.45; }
.svc-hero-inner { position: relative; z-index: 1; max-width: 1100px; }
.svc-back { color: var(--mute); transition: color .25s var(--ease-out); }
.svc-back:hover { color: var(--accent); }
.svc-title {
  font-family: var(--display);
  font-weight: 250;
  font-size: clamp(2.6rem, 6.5vw, 6rem);
  letter-spacing: -0.035em;
  margin-bottom: 1.2rem;
}
.svc-title strong { font-weight: 800; }
.svc-tag { color: var(--mute); font-size: 1.05rem; }

.svc-body-section { padding: clamp(4rem, 9vh, 7rem) var(--gutter); }
.svc-grid { display: grid; gap: 3rem; max-width: 1300px; }
@media (min-width: 960px) {
  .svc-grid { grid-template-columns: 1.6fr 1fr; gap: 5rem; }
}
.svc-intro {
  font-family: var(--display);
  font-weight: 450;
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  margin-bottom: 1.6rem;
}
.svc-text p:not(.svc-intro) { color: var(--mute); max-width: 58ch; margin-bottom: 1.2rem; }
.svc-aside {
  border: 1px solid var(--line);
  padding: 2rem;
  align-self: start;
}
.svc-aside-title { color: var(--accent); margin-bottom: 1.2rem; }
.svc-items li {
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}
.svc-items li::before { content: "→ "; color: var(--accent); }

.svc-steps-section { padding: 0 var(--gutter) clamp(4rem, 9vh, 7rem); }
.svc-steps-section .section-head { padding-inline: 0; padding-bottom: 2rem; }
.svc-steps { display: grid; gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
@media (min-width: 720px) { .svc-steps { grid-template-columns: repeat(3, 1fr); } }
.svc-step { background: var(--bg); padding: 2.2rem 1.8rem; }
.svc-step-num { color: var(--accent); display: block; margin-bottom: 1rem; }
.svc-step h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.7rem;
}
.svc-step p { color: var(--mute); font-size: 0.95rem; }

.svc-cta {
  padding: clamp(4rem, 10vh, 8rem) var(--gutter);
  border-top: 1px solid var(--line);
  text-align: left;
}
.svc-cta-title {
  font-family: var(--display);
  font-weight: 250;
  font-size: clamp(2.4rem, 6vw, 5rem);
  letter-spacing: -0.035em;
  margin-bottom: 2rem;
}
.svc-cta-title strong { font-weight: 800; }
.svc-nextlink { margin-top: 3rem; }

/* =============================================================
   12b. WhatsApp flotante
   ============================================================= */
.wa-float {
  position: fixed;
  right: clamp(1rem, 3vw, 1.8rem);
  bottom: clamp(1rem, 3vw, 1.8rem);
  z-index: 80;
  display: flex; align-items: center; justify-content: center;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.wa-float:hover {
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 14px 36px rgba(37, 211, 102, 0.35);
}
.wa-float:active { transform: scale(0.96); }
@media (max-width: 539px) {
  .wa-float { width: 52px; height: 52px; }
  .wa-float svg { width: 24px; height: 24px; }
}

/* =============================================================
   13. Reduced motion — solo efectos intrusivos
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-gradient { transition: none; }
  /* Micro-interacciones (hover, underline, invert) se mantienen a propósito */
}