/* ============================================================
   Simonetta S.R.L. — Turba de Sphagnum · Tierra del Fuego
   Identidad: verde bosque profundo / azul petróleo / azul noche
   tierra-musgo-turba / blanco cálido / verde luminoso
   ============================================================ */

:root {
  --noche:   #0a1420;   /* azul noche */
  --petrol:  #102c33;   /* azul petróleo */
  --bosque:  #0e241b;   /* verde bosque profundo */
  --bosque-2:#132e23;
  --turba:   #4a3526;   /* marrón turba */
  --musgo:   #58704a;
  --blanco:  #f6f3ea;   /* blanco cálido */
  --crema:   #efe9db;
  --lumen:   #7ddb8e;   /* verde luminoso */
  --lumen-2: #a9e8b4;
  --ink-inv: #172018;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  --maxw: 1240px;
  --radius: 16px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--blanco);
  color: var(--ink-inv);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font-family: inherit; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.1; letter-spacing: -.015em; }
h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); margin-bottom: 1.2rem; }
h3 { font-size: 1.18rem; margin-bottom: .45rem; font-weight: 500; }

/* ---------- Barra de progreso ---------- */
.progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--lumen), var(--musgo));
  z-index: 90; transition: width .1s linear;
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; } /* defensivo */

.reveal-line {
  display: inline-block; transform: translateY(110%);
  transition: transform 1s var(--ease);
}
.is-loaded .reveal-line { transform: translateY(0); }
/* padding inferior + margen negativo: el overflow:hidden de la máscara no debe
   recortar las colas de g/y/p con line-height 1.1 */
.hero__title .line { display: block; overflow: hidden; padding-bottom: .18em; margin-bottom: -.18em; }

.reveal-mask { position: relative; overflow: hidden; border-radius: var(--radius); }
.reveal-mask img {
  transform: scale(1.15);
  transition: transform 1.4s var(--ease);
}
.reveal-mask::after {
  content: ""; position: absolute; inset: 0;
  background: var(--bosque);
  transform: translateY(0);
  transition: transform 1.1s var(--ease);
}
.reveal-mask.is-in::after { transform: translateY(101%); }
.reveal-mask.is-in img { transform: scale(1); }

/* ============ NAV ============ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 80;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem clamp(1.2rem, 4vw, 3rem);
  color: var(--blanco);
  transition: background .35s, padding .35s, box-shadow .35s;
}
.nav.is-scrolled {
  background: rgba(10, 20, 32, .9);
  backdrop-filter: blur(12px);
  padding-top: .65rem; padding-bottom: .65rem;
  box-shadow: 0 10px 40px -18px rgba(0,0,0,.6);
}
.nav__brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; }
.nav__mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--blanco);
  border: 1px solid rgba(125,219,142,.35);
  display: grid; place-items: center;
}
.nav__mark img { width: 26px; height: 26px; object-fit: contain; }
.nav__name { font-family: var(--serif); font-size: 1.18rem; }
.nav__name em { font-style: normal; opacity: .7; font-size: .82em; }
.nav__links { display: flex; align-items: center; gap: clamp(.8rem, 1.6vw, 1.5rem); }
.nav__links a {
  text-decoration: none; font-size: .9rem; font-weight: 500;
  opacity: .82; transition: opacity .2s, color .2s;
}
.nav__links a:hover, .nav__links a.is-active { opacity: 1; color: var(--lumen-2); }
.nav__cta {
  background: var(--lumen); color: var(--noche) !important;
  padding: .55rem 1.15rem; border-radius: 100px;
  opacity: 1 !important; font-weight: 600;
  transition: transform .25s, box-shadow .25s;
}
.nav__cta:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -8px rgba(125,219,142,.5); }
.nav__burger { display: none; background: none; border: 0; cursor: pointer; }
.nav__burger span { display: block; width: 26px; height: 2px; background: var(--blanco); margin: 6px 0; transition: .3s; }

/* ---------- Dots laterales ---------- */
.dots {
  position: fixed; right: 1.1rem; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: .7rem; z-index: 70;
}
.dots a {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(125,219,142,.3);
  border: 1px solid rgba(125,219,142,.4);
  transition: transform .25s, background .25s;
}
.dots a.is-active { background: var(--lumen); transform: scale(1.5); }

/* ============ HERO ============ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  color: var(--blanco);
  background: var(--noche);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: -8% 0; }
.hero__bg img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 60%;
  transform: scale(1.12);
  animation: heroZoom 3.2s var(--ease) forwards;
}
@keyframes heroZoom { to { transform: scale(1.02); } }
.hero__particles { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.hero__veil {
  position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(120% 90% at 20% 15%, rgba(10,20,32,.55) 0%, transparent 55%),
    linear-gradient(180deg, rgba(10,20,32,.5) 0%, rgba(10,20,32,.15) 40%, rgba(14,36,27,.85) 100%);
}
.hero__content {
  position: relative; z-index: 3;
  max-width: var(--maxw); margin: 0 auto; width: 100%;
  padding: 8rem clamp(1.2rem, 4vw, 3rem) 6.5rem;
}
.hero__kicker {
  font-size: .82rem; letter-spacing: .32em; text-transform: uppercase;
  color: var(--lumen); font-weight: 600; margin-bottom: 1.6rem;
}
.hero__title {
  font-size: clamp(2.5rem, 6.4vw, 5rem);
  margin-bottom: 1.6rem; font-weight: 300;
}
.hero__title .line--soft { opacity: .92; font-size: .72em; font-weight: 300; }
.hero__sub { max-width: 620px; font-size: 1.1rem; opacity: .9; margin-bottom: 2.4rem; }
.hero__sub em { font-style: italic; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.hero__badges {
  display: flex; flex-wrap: wrap; gap: .6rem; list-style: none;
}
.hero__badges li {
  font-size: .78rem; letter-spacing: .06em; font-weight: 500;
  padding: .42rem .95rem; border-radius: 100px;
  border: 1px solid rgba(246,243,234,.28);
  background: rgba(10,20,32,.35); backdrop-filter: blur(6px);
}
.hero__badges em { font-style: italic; }
.hero__scroll {
  position: absolute; bottom: 1.8rem; left: 50%; transform: translateX(-50%);
  width: 24px; height: 40px; border: 2px solid rgba(246,243,234,.4); border-radius: 13px; z-index: 3;
}
.hero__scroll span {
  position: absolute; top: 6px; left: 50%; width: 4px; height: 8px; margin-left: -2px;
  border-radius: 4px; background: var(--lumen);
  animation: sDot 1.9s ease-in-out infinite;
}
@keyframes sDot { 0%,100% { transform: translateY(0); opacity: 1; } 60% { transform: translateY(13px); opacity: 0; } }

/* ---------- Botones ---------- */
.btn {
  display: inline-block; text-decoration: none; font-weight: 600;
  font-size: .95rem; padding: .9rem 1.8rem; border-radius: 100px;
  border: 0; cursor: pointer;
  transition: transform .25s, box-shadow .25s, background .25s, color .25s;
}
.btn--solid { background: var(--lumen); color: var(--noche); }
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -10px rgba(125,219,142,.55); }
.btn--ghost { border: 1.5px solid rgba(246,243,234,.5); color: var(--blanco); background: transparent; }
.btn--ghost:hover { background: rgba(246,243,234,.12); transform: translateY(-2px); }
.btn--outline { border: 1.5px solid var(--bosque); color: var(--bosque); background: transparent; }
.btn--outline:hover { background: var(--bosque); color: var(--blanco); transform: translateY(-2px); }
.btn--link { background: none; color: var(--bosque); padding-left: 0; padding-right: 0; border-radius: 0; }
.btn--link:hover { color: var(--musgo); }
.btn--wide { width: 100%; }

/* ============ SECCIONES BASE ============ */
.section { padding: clamp(4.5rem, 9vw, 8rem) 0; position: relative; }
section[id] { scroll-margin-top: 64px; }
#cotizar { display: block; position: relative; top: -96px; visibility: hidden; }
.section__inner { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.2rem, 4vw, 3rem); }
.section__inner--split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.section__head { max-width: 780px; margin-bottom: clamp(2.2rem, 5vw, 4rem); }
.section__head--split {
  max-width: none; display: grid; grid-template-columns: 1.1fr .9fr;
  gap: clamp(1.5rem, 4vw, 4rem); align-items: end;
}
.eyebrow {
  font-size: .78rem; letter-spacing: .3em; text-transform: uppercase;
  font-weight: 700; color: var(--musgo); margin-bottom: 1rem;
}
.section--dark .eyebrow { color: var(--lumen); }
.lead { font-size: 1.1rem; color: rgba(23,32,24,.75); margin-bottom: 1rem; }
.section--dark { background: linear-gradient(180deg, var(--bosque) 0%, var(--petrol) 100%); color: var(--blanco); }
.section--dark h2, .section--dark h3 { color: var(--blanco); }
.section--dark .lead { color: rgba(246,243,234,.8); }
.section__text p { margin-bottom: 1rem; color: rgba(23,32,24,.75); }
.section--dark .section__text p { color: rgba(246,243,234,.78); }
.section__media img { width: 100%; aspect-ratio: 4/3.1; object-fit: cover; }
.section__media figcaption { font-size: .82rem; margin-top: .8rem; font-style: italic; opacity: .7; }

/* ============ TIMELINE ============ */
.timeline {
  position: relative;
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 1.4rem; margin-top: 3.5rem;
}
.timeline__rail {
  position: absolute; top: 6px; left: 2%; right: 2%; height: 2px;
  background: rgba(88,112,74,.25);
}
.timeline__rail span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--musgo), var(--lumen));
  transition: width 1.2s var(--ease);
}
.tl-item { position: relative; padding-top: 2.4rem; }
.tl-item::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--blanco); border: 3px solid var(--musgo);
  transition: background .4s, border-color .4s;
}
.tl-item:hover::before { background: var(--lumen); border-color: var(--bosque); }
.tl-item__num {
  display: block; margin-bottom: .45rem;
  font-size: .76rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--musgo);
}
.tl-item h3 { font-size: 1.02rem; }
.tl-item p { font-size: .9rem; color: rgba(23,32,24,.68); }

/* ============ VENTAJAS ============ */
.media-band { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.media-band img { width: 100%; aspect-ratio: 21/8; object-fit: cover; }
.media-band figcaption { font-size: .82rem; margin-top: .8rem; font-style: italic; opacity: .65; }
.ventajas {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem;
}
.ventaja {
  position: relative;
  border: 1px solid rgba(246,243,234,.14);
  border-radius: var(--radius);
  padding: 1.7rem 1.5rem 1.5rem;
  background: rgba(246,243,234,.04);
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s, background .35s;
}
.ventaja:hover { transform: translateY(-6px); border-color: rgba(125,219,142,.5); background: rgba(125,219,142,.07); }
.ventaja__n {
  font-family: var(--serif); font-size: .85rem; color: var(--lumen);
  letter-spacing: .1em; display: block; margin-bottom: .9rem;
}
.ventaja h3 { font-size: 1.05rem; }
.ventaja p { font-size: .92rem; color: rgba(246,243,234,.72); }

/* ============ APLICACIONES ============ */
.apps {
  display: grid; grid-template-columns: .95fr 1.05fr;
  gap: clamp(2rem, 4vw, 4rem); align-items: start;
}
.apps__media { position: sticky; top: 100px; }
.apps__media img {
  width: 100%; aspect-ratio: 4/4.6; object-fit: cover;
  transition: opacity .45s var(--ease);
}
.apps__list { display: flex; flex-direction: column; }
.app {
  text-align: left; background: none; border: 0; cursor: pointer;
  padding: 1.35rem 1.2rem; border-left: 3px solid rgba(88,112,74,.22);
  transition: border-color .3s, background .3s;
}
.app:hover { background: rgba(88,112,74,.07); }
.app.is-active { border-left-color: var(--musgo); background: rgba(88,112,74,.1); }
.app h3 { font-size: 1.06rem; color: var(--ink-inv); }
.app p { font-size: .92rem; color: rgba(23,32,24,.68); }

/* ============ PRODUCTO ============ */
.producto {
  display: grid; grid-template-columns: .85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.producto__media img { width: 100%; aspect-ratio: 3/3.8; object-fit: cover; object-position: top; }
.ficha { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.6rem; margin: 1.6rem 0; }
.ficha > div {
  display: flex; flex-direction: column; padding: .8rem 0;
  border-bottom: 1px dashed rgba(246,243,234,.2);
}
.ficha dt { font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--lumen); font-weight: 600; }
.ficha dd { font-size: .95rem; color: rgba(246,243,234,.9); }
.producto__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin: 1.8rem 0 1.4rem; }
.producto__reg { font-size: .76rem; color: rgba(246,243,234,.5); letter-spacing: .02em; }

/* ============ CALIDAD ============ */
.section--calidad { background: var(--crema); }
.analisis { max-width: 860px; }
.bar { margin-bottom: 1.5rem; }
.bar__head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: .5rem; font-size: .95rem;
}
.bar__head strong { font-family: var(--serif); font-size: 1.15rem; color: var(--bosque); }
.bar__track {
  height: 10px; border-radius: 10px; background: rgba(14,36,27,.1); overflow: hidden;
}
.bar__fill {
  display: block; height: 100%; width: 0; border-radius: 10px;
  background: linear-gradient(90deg, var(--musgo), var(--bosque));
  transition: width 1.4s var(--ease);
}
.bar.is-in .bar__fill { width: var(--w, 0%); }
.analisis__minis {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 2.2rem;
}
.mini {
  background: var(--blanco); border-radius: 12px; padding: 1rem 1.1rem;
  border: 1px solid rgba(14,36,27,.08);
}
.mini span { display: block; font-size: .78rem; color: rgba(23,32,24,.6); }
.mini strong { font-family: var(--serif); font-size: 1.1rem; color: var(--bosque); }
.calidad__cta { display: flex; gap: 1.4rem; align-items: center; margin-top: 2.6rem; flex-wrap: wrap; }

/* ============ PRODUCCIÓN ============ */
.galeria {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  padding: 0 clamp(1.2rem, 3vw, 2rem);
  max-width: 1600px; margin: 0 auto;
}
.galeria__item { border-radius: var(--radius); }
.galeria__item img {
  width: 100%; aspect-ratio: 3/3.6; object-fit: cover;
  transition: transform .6s var(--ease);
}
.galeria__item:hover img { transform: scale(1.05); }
.galeria__item figcaption {
  font-size: .85rem; margin-top: .7rem; letter-spacing: .04em;
  color: rgba(246,243,234,.75);
}
.galeria__item:nth-child(even) { transform: translateY(2rem); }

/* ============ AMBIENTE ============ */
.section--ambiente { background: var(--blanco); }

/* ============ TESTIMONIOS ============ */
.section--testimonios { background: var(--crema); }
.testimonios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; margin-top: 2.5rem; }
.testimonio {
  background: var(--blanco); border-radius: var(--radius);
  padding: 1.9rem 1.7rem; border: 1px solid rgba(14,36,27,.08);
  display: flex; flex-direction: column; justify-content: space-between; gap: 1.3rem;
  transition: transform .35s var(--ease), box-shadow .35s;
}
.testimonio:hover { transform: translateY(-5px); box-shadow: 0 22px 44px -22px rgba(14,36,27,.3); }
.testimonio p { font-family: var(--serif); font-size: 1.05rem; line-height: 1.5; color: var(--bosque); }
.testimonio footer { font-size: .84rem; color: rgba(23,32,24,.6); }

/* ============ CTA BAND ============ */
.cta-band {
  background:
    radial-gradient(90% 130% at 85% 20%, rgba(125,219,142,.14) 0%, transparent 55%),
    linear-gradient(140deg, var(--noche) 0%, var(--petrol) 55%, var(--bosque) 100%);
  color: var(--blanco);
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
  text-align: center;
}
.cta-band__inner { max-width: 800px; margin: 0 auto; padding: 0 clamp(1.2rem, 4vw, 3rem); }
.cta-band h2 { margin-bottom: 1.2rem; }
.cta-band p { opacity: .85; margin-bottom: 2.2rem; }
.cta-band__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ============ CONTACTO ============ */
.section--contacto { background: var(--blanco); }
.contacto { display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(2rem, 4vw, 4rem); }
.form { display: flex; flex-direction: column; gap: 1.1rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form label { display: flex; flex-direction: column; gap: .4rem; font-size: .86rem; font-weight: 600; color: var(--bosque); }
.form input[type="text"], .form input[type="email"], .form input[type="tel"], .form textarea {
  font: inherit; font-weight: 400;
  padding: .8rem .95rem; border-radius: 10px;
  border: 1.5px solid rgba(14,36,27,.18); background: var(--blanco);
  transition: border-color .25s, box-shadow .25s;
}
.form input:focus, .form textarea:focus {
  outline: none; border-color: var(--musgo); box-shadow: 0 0 0 3px rgba(88,112,74,.15);
}
.form input.is-bad { border-color: #c05341; }
.form__apps { border: 1.5px solid rgba(14,36,27,.12); border-radius: 12px; padding: 1rem 1.1rem 1.15rem; }
.form__apps legend { font-size: .86rem; font-weight: 600; color: var(--bosque); padding: 0 .4rem; }
.form__apps { display: flex; flex-wrap: wrap; gap: .55rem; }
.form__apps label { flex-direction: row; cursor: pointer; }
.form__apps input { position: absolute; opacity: 0; pointer-events: none; }
.form__apps span {
  padding: .45rem 1rem; border-radius: 100px; font-size: .84rem; font-weight: 500;
  border: 1.5px solid rgba(14,36,27,.2); color: rgba(23,32,24,.75);
  transition: background .25s, color .25s, border-color .25s;
}
.form__apps input:checked + span { background: var(--bosque); border-color: var(--bosque); color: var(--blanco); }
.form__apps input:focus-visible + span { outline: 2px solid var(--musgo); outline-offset: 2px; }
.form__error { color: #c05341; font-size: .88rem; font-weight: 600; }
.form__ok { color: var(--musgo); font-size: .88rem; font-weight: 600; }
.form__hint { font-size: .78rem; color: rgba(23,32,24,.5); }
.contacto__datos { display: flex; flex-direction: column; gap: 1.4rem; }
.dato h3 { font-size: .8rem; letter-spacing: .22em; text-transform: uppercase; color: var(--musgo); font-family: var(--sans); font-weight: 700; }
.dato p { color: rgba(23,32,24,.8); }
.dato a { text-decoration: none; border-bottom: 1px solid rgba(88,112,74,.4); }
.mapa {
  width: 100%; aspect-ratio: 16/10; border: 0; border-radius: 12px;
  box-shadow: 0 12px 30px -16px rgba(14,36,27,.35);
}
.dato__maplink {
  display: inline-block; margin-top: .6rem; font-size: .82rem;
  color: var(--musgo); text-decoration: none; font-weight: 600;
  border-bottom: none !important;
}
.dato__maplink:hover { color: var(--bosque); }

/* ============ FOOTER ============ */
.footer { background: var(--noche); color: rgba(246,243,234,.6); font-size: .84rem; }
.footer__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 1.8rem clamp(1.2rem, 4vw, 3rem);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.footer__small { opacity: .7; }
.footer__logo { height: 22px; width: auto; margin-bottom: .7rem; filter: brightness(1.35); }
.footer__credit {
  text-align: center; font-size: .68rem; letter-spacing: .04em;
  color: rgba(246,243,234,.32); padding: 0 1rem 1rem;
}
.footer__credit a { color: inherit; text-decoration: none; border-bottom: 1px dotted rgba(246,243,234,.25); }
.footer__credit a:hover { color: rgba(246,243,234,.6); }

/* ============ FABs (WhatsApp + Chat) ============ */
.fab {
  position: fixed; z-index: 85;
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center; cursor: pointer;
  border: 0; text-decoration: none;
  box-shadow: 0 12px 30px -8px rgba(0,0,0,.45);
  transition: transform .25s, box-shadow .25s;
}
.fab:hover { transform: translateY(-3px) scale(1.05); }
.fab--wa { left: 1.2rem; bottom: 1.2rem; background: #24b358; color: #fff; }
.fab--chat { right: 1.2rem; bottom: 1.2rem; background: var(--bosque); color: var(--lumen); position: fixed; }
.fab__dot {
  position: absolute; top: 4px; right: 4px; width: 10px; height: 10px;
  border-radius: 50%; background: var(--lumen);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.5); opacity: .5; } }

/* ============ CHAT ============ */
.chat__panel[hidden] { display: none; }
.chat__panel {
  position: fixed; right: 1.2rem; bottom: 5.6rem; z-index: 86;
  width: min(380px, calc(100vw - 2rem));
  height: min(540px, calc(100vh - 8rem));
  background: var(--blanco); border-radius: 18px;
  box-shadow: 0 30px 70px -20px rgba(0,0,0,.5);
  display: flex; flex-direction: column; overflow: hidden;
  border: 1px solid rgba(14,36,27,.1);
}
.chat__head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.2rem;
  background: linear-gradient(135deg, var(--bosque), var(--petrol));
  color: var(--blanco);
}
.chat__head strong { display: block; font-size: .98rem; }
.chat__head span { font-size: .76rem; opacity: .75; }
.chat__head button { background: none; border: 0; color: var(--blanco); font-size: 1rem; cursor: pointer; opacity: .8; }
.chat__msgs { flex: 1; overflow-y: auto; padding: 1.1rem; display: flex; flex-direction: column; gap: .7rem; }
.msg {
  max-width: 85%; padding: .7rem 1rem; border-radius: 14px;
  font-size: .9rem; line-height: 1.5;
}
.msg--bot { background: var(--crema); color: var(--ink-inv); border-bottom-left-radius: 4px; align-self: flex-start; }
.msg--user { background: var(--bosque); color: var(--blanco); border-bottom-right-radius: 4px; align-self: flex-end; }
.msg--typing { opacity: .6; font-style: italic; }
.chat__input { display: flex; gap: .5rem; padding: .8rem; border-top: 1px solid rgba(14,36,27,.08); }
.chat__input input {
  flex: 1; font: inherit; padding: .65rem .9rem; border-radius: 100px;
  border: 1.5px solid rgba(14,36,27,.15);
}
.chat__input input:focus { outline: none; border-color: var(--musgo); }
.chat__input button {
  width: 42px; height: 42px; border-radius: 50%; border: 0;
  background: var(--bosque); color: var(--lumen); cursor: pointer; font-size: 1rem;
}
.chat__foot { font-size: .68rem; color: rgba(23,32,24,.5); text-align: center; padding: 0 1rem .8rem; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .dots { display: none; }
  .ventajas { grid-template-columns: repeat(2, 1fr); }
  .galeria { grid-template-columns: repeat(2, 1fr); }
  .galeria__item:nth-child(even) { transform: none; }
  .analisis__minis { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline__rail { top: 0; bottom: 0; left: 6px; right: auto; width: 2px; height: auto; }
  .timeline__rail span { width: 100% !important; height: 0; transition: height 1.2s var(--ease); }
  .timeline.is-in .timeline__rail span { height: 100%; }
  .tl-item { padding: 0 0 2rem 2.2rem; }
  .tl-item::before { top: 4px; }
}
@media (max-width: 900px) {
  .section__inner--split, .section__head--split { grid-template-columns: 1fr; }
  .apps { grid-template-columns: 1fr; }
  .apps__media { position: static; }
  .apps__media img { aspect-ratio: 16/9; }
  .producto { grid-template-columns: 1fr; }
  .producto__media { max-width: 420px; margin: 0 auto; }
  .contacto { grid-template-columns: 1fr; }
  .testimonios { grid-template-columns: 1fr; }
  .media-band img { aspect-ratio: 16/9; }
}
@media (max-width: 760px) {
  .nav__links {
    position: fixed; inset: 0; z-index: 78;
    background: rgba(10,20,32,.97);
    flex-direction: column; justify-content: center; gap: 1.6rem;
    opacity: 0; pointer-events: none; transition: opacity .3s;
  }
  .nav__links.is-open { opacity: 1; pointer-events: auto; }
  .nav__links a { font-size: 1.15rem; }
  .nav__burger { display: block; position: relative; z-index: 79; }
  .nav__burger.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav__burger.is-open span:nth-child(2) { opacity: 0; }
  .nav__burger.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .ventajas { grid-template-columns: 1fr; }
  .galeria { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .ficha { grid-template-columns: 1fr; }
  .analisis__minis { grid-template-columns: 1fr; }
  .hero__badges li { font-size: .72rem; }
}