/* ============================================================
   PREMIUM LAB EC — Components
   ============================================================ */

/* ---------- ANNOUNCEMENT ---------- */
.announce{
  background:var(--ink);
  color:var(--paper);
  overflow:hidden;
  position:relative;
  z-index:60;
}
.announce__track{
  display:flex;
  width:max-content;
  animation:marquee 34s linear infinite;
}
.announce:hover .announce__track{animation-play-state:paused}
.announce__grp{display:flex;flex:none}
.announce__item{
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  padding:10px 0;
  display:flex;
  align-items:center;
  gap:var(--s5);
  white-space:nowrap;
}
.announce__item::after{content:'';width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4);margin-inline:var(--s5)}

/* ---------- HEADER ---------- */
.header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(250,250,250,.78);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t-mid) var(--ease),background var(--t-mid) var(--ease);
}
.header.is-stuck{border-bottom-color:var(--line);background:rgba(250,250,250,.92)}
.header__in{
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--s5);
}
.brand{display:flex;align-items:center;gap:13px;flex:none}
.brand__mark{width:26px;height:auto}
.brand__name{
  font-family:var(--font-display);
  font-weight:700;
  font-size:13px;
  letter-spacing:.22em;
  text-transform:uppercase;
  white-space:nowrap;
}
.nav{display:flex;align-items:center;gap:var(--s6)}
/* Red de seguridad: si algún día el menú vuelve a salir con <ul>/<li>
   —un plugin, una edición a mano— que no aparezcan los puntos. */
.nav ul,.drawer__nav ul{list-style:none;margin:0;padding:0;display:contents}
.nav li,.drawer__nav li{list-style:none;display:contents}
.nav a{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-80);
  padding-block:6px;
  transition:color var(--t-fast) var(--ease);
}
.nav a::after{
  content:'';
  position:absolute;left:0;bottom:0;
  width:100%;height:1.5px;
  background:var(--ink);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t-mid) var(--ease-out);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1)}
.nav a.is-active{color:var(--ink);font-weight:700}

.header__act{display:flex;align-items:center;gap:var(--s3)}
.icon-btn{
  width:44px;height:44px;
  display:grid;place-items:center;
  border:1.5px solid var(--ink-12);
  border-radius:var(--r-pill);
  transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);
}
.icon-btn:hover{border-color:var(--ink);transform:translateY(-1px)}
.burger{display:none}

/* Mobile drawer */
.drawer{
  position:fixed;inset:0;
  z-index:80;
  background:var(--paper);
  padding:var(--s5) var(--gutter) var(--s7);
  display:flex;flex-direction:column;
  transform:translateY(-100%);
  visibility:hidden;
  transition:transform var(--t-slow) var(--ease-out),visibility var(--t-slow);
  /* Con siete enlaces el contenido no entra en un teléfono. Sin esto el
     panel quedaba trabado: el pie se montaba sobre el último enlace y no
     había forma de desplazarse. */
  overflow-y:auto;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
}
.drawer.is-open{transform:none;visibility:visible}
.drawer__top{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);margin-bottom:var(--s6)}
/* flex:1 con base 0 encogía la lista por debajo de su contenido y los
   enlaces se salían de su caja. Ahora ocupa lo que necesita y el panel
   entero se desplaza. */
.drawer__nav{display:flex;flex-direction:column;gap:var(--s2);flex:0 0 auto}
.drawer__nav a{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(26px,7.4vw,38px);
  letter-spacing:-0.035em;
  padding-block:var(--s2);
  border-bottom:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;
  opacity:0;transform:translateY(18px);
}
.drawer.is-open .drawer__nav a{animation:fadeUp .5s var(--ease-out) forwards}
.drawer.is-open .drawer__nav a:nth-child(1){animation-delay:.08s}
.drawer.is-open .drawer__nav a:nth-child(2){animation-delay:.14s}
.drawer.is-open .drawer__nav a:nth-child(3){animation-delay:.2s}
.drawer.is-open .drawer__nav a:nth-child(4){animation-delay:.26s}
.drawer.is-open .drawer__nav a:nth-child(5){animation-delay:.32s}
.drawer.is-open .drawer__nav a:nth-child(6){animation-delay:.38s}
.drawer.is-open .drawer__nav a:nth-child(7){animation-delay:.44s}
.drawer.is-open .drawer__nav a:nth-child(8){animation-delay:.5s}
/* margin-top:auto lo pega abajo cuando sobra espacio, sin invadir la
   lista cuando falta. */
.drawer__foot{display:flex;flex-direction:column;gap:var(--s4);padding-top:var(--s6);margin-top:auto}

/* Pantallas bajas (iPhone con la barra del navegador): tipografía más
   contenida para que los siete enlaces entren sin desplazar. */
@media (max-height:740px){
  .drawer__nav a{font-size:clamp(22px,6vw,30px);padding-block:6px}
  .drawer__top{margin-bottom:var(--s4)}
  .drawer__foot{padding-top:var(--s5)}
}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;padding-block:clamp(48px,6vw,92px) clamp(56px,7vw,104px)}
.hero__grid{
  display:grid;
  grid-template-columns:1.08fr 1fr;
  gap:clamp(32px,4.4vw,var(--s8));
  align-items:center;
}
.hero__copy{max-width:660px}
.hero__title{
  margin:var(--s5) 0 var(--s5);
  font-size:clamp(44px,5.9vw,86px);
  text-wrap:balance;
  hyphens:none;
}
.hero__title .rot{
  display:inline-block;
  position:relative;
}
.hero__cta{display:flex;gap:var(--s3);flex-wrap:wrap;margin-top:var(--s7)}

.hero__trust{
  display:flex;
  align-items:center;
  gap:var(--s5);
  margin-top:clamp(40px,4.6vw,var(--s8));
  flex-wrap:wrap;
}
.trust-i{display:flex;align-items:center;gap:11px;font-size:13.5px;font-weight:500;color:var(--ink-80)}
.trust-i svg{flex:none;opacity:.85}
.trust-sep{width:1px;height:26px;background:var(--line)}

/* Hero product card */
.hero__vis{position:relative}
.pcard{
  background:var(--paper);
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-3);
  position:relative;
}
.pcard__stage{
  position:relative;
  aspect-ratio:1/1;
  background:
    radial-gradient(120% 90% at 50% 8%, #FFFFFF 0%, #F6F6F5 46%, #E9E9E7 100%);
  display:grid;place-items:center;
  overflow:hidden;
}
.pcard__stage::before{
  content:'';
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--ink-06) 1px,transparent 1px),
    linear-gradient(90deg,var(--ink-06) 1px,transparent 1px);
  background-size:60px 60px;
  opacity:.5;
  mask-image:radial-gradient(70% 60% at 50% 50%,transparent 30%,#000 100%);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 50%,transparent 30%,#000 100%);
}
.pcard__stage::after{
  content:'';
  position:absolute;top:0;bottom:0;width:34%;
  z-index:3;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  filter:blur(8px);
  animation:sweep 5.5s var(--ease) infinite;
  animation-delay:1.2s;
  pointer-events:none;
}
/* Banner fotográfico de laboratorio: fondo oscuro y sin retícula */
.pcard__stage--photo{
  aspect-ratio:1/1.04;
  background:linear-gradient(165deg,#2A3138,#14181C 60%,#0D1013);
}
.pcard__stage--photo::before{display:none}
.pcard__stage--photo::after{
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.20),transparent);
}

/* Full-bleed: la foto ocupa todo el cuadro */
.pcard__img{
  position:absolute;
  inset:0;
  z-index:2;
  width:100%;
  height:100%;
  object-fit:cover;
  animation:slowZoom 9s ease-in-out infinite;
}
.pcard__foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--s4);
  padding:var(--s5) clamp(20px,2.4vw,var(--s6));
  border-top:1px solid var(--line-soft);
}
/* min-height evita el salto de altura al rotar entre productos */
.pcard__meta{display:flex;flex-direction:column;justify-content:center;gap:7px;min-width:0;min-height:62px}
.pcard__name{display:flex;align-items:center;gap:11px;flex-wrap:wrap}
.pcard__name h3{font-size:clamp(20px,2vw,27px);letter-spacing:-0.03em}
.pcard__sub{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:9px}
.pcard__sub .dot{width:3px;height:3px;border-radius:50%;background:var(--muted-2);flex:none}
.pcard__go{
  width:54px;height:54px;flex:none;
  border-radius:var(--r-pill);
  border:1.5px solid var(--ink-12);
  display:grid;place-items:center;
  transition:all var(--t-fast) var(--ease);
}
.pcard__go:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:rotate(-45deg)}

/* Floating spec chip */
.spec-chip{
  position:absolute;
  z-index:4;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:var(--sh-2);
  border-radius:var(--r-md);
  padding:12px 16px;
  display:flex;flex-direction:column;gap:3px;
}
.spec-chip__k{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2)}
.spec-chip__v{font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:-0.02em}
.spec-chip--a{top:8%;left:-4%;animation:floatY 6s ease-in-out infinite}
.spec-chip--b{bottom:30%;right:-4%;animation:floatY 6s ease-in-out infinite reverse;animation-delay:.6s}

/* ---------- LOGO / TRUST MARQUEE ---------- */
.strip{border-block:1px solid var(--line);background:var(--paper);overflow:hidden}
.strip__track{display:flex;width:max-content;animation:marquee 40s linear infinite}
.strip__grp{display:flex;flex:none;align-items:center}
.strip__item{
  display:flex;align-items:center;gap:var(--s3);
  padding:20px var(--s6);
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);
  white-space:nowrap;
}
.strip__item svg{opacity:.6;flex:none}

/* ---------- FEATURE TRIO ---------- */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.trio__c{background:var(--paper);padding:clamp(28px,3.4vw,var(--s7));display:flex;flex-direction:column;gap:var(--s4);transition:background var(--t-mid) var(--ease)}
.trio__c:hover{background:var(--paper-2)}
.trio__ico{width:44px;height:44px;display:grid;place-items:center;border:1.5px solid var(--ink);border-radius:14px}
.trio__c h3{font-size:19px;letter-spacing:-0.02em}
.trio__c p{font-size:14.5px;color:var(--muted);line-height:1.6}

/* ---------- MARCAS / LABORATORIOS ---------- */
.labs{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
}
.lab{
  background:var(--paper);
  padding:clamp(28px,4vw,var(--s8)) var(--s5);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:var(--s4);
  min-height:150px;
  transition:background var(--t-mid) var(--ease);
}
.lab:hover{background:var(--paper-2)}
.lab img{
  width:auto;
  max-width:min(210px,80%);
  height:auto;
  /* Monocromo por defecto: respeta el sistema y evita el choque de paletas.
     multiply hace que el fondo blanco del PNG desaparezca sobre el papel. */
  filter:grayscale(1) contrast(1.06);
  mix-blend-mode:multiply;
  opacity:.66;
  transition:filter var(--t-slow) var(--ease-out),
             opacity var(--t-slow) var(--ease-out),
             transform var(--t-slow) var(--ease-out);
}
.lab:hover img{filter:none;opacity:1;transform:scale(1.04)}
.lab__n{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--muted-2);
  opacity:0;
  transform:translateY(6px);
  transition:opacity var(--t-mid) var(--ease),transform var(--t-mid) var(--ease);
}
.lab:hover .lab__n{opacity:1;transform:none}

/* ---------- CATEGORY FILTER ---------- */
.filters{display:flex;gap:var(--s2);flex-wrap:wrap;margin-bottom:var(--s7)}
.chip{
  padding:11px 19px;
  border:1.5px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--paper);
  font-size:13.5px;font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  transition:all var(--t-fast) var(--ease);
}
.chip:hover{border-color:var(--ink-40);color:var(--ink)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--paper);font-weight:700}
.chip__n{font-family:var(--font-mono);font-size:10px;opacity:.6;margin-left:6px}

/* ---------- PRODUCT GRID ---------- */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s5)}
.prod{
  background:var(--paper);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease);
}
.prod:hover{transform:translateY(-6px);box-shadow:var(--sh-3);border-color:transparent}
.prod__stage{
  position:relative;
  aspect-ratio:1/1;
  background:linear-gradient(170deg,#FCFCFC,#F1F1F0);
  display:grid;place-items:center;
  overflow:hidden;
}
.prod__stage::after{
  content:'';position:absolute;top:0;bottom:0;width:40%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.7),transparent);
  filter:blur(8px);transform:translateX(-140%);
  transition:transform 900ms var(--ease-out);
}
.prod:hover .prod__stage::after{transform:translateX(260%)}
/* Full-bleed: la foto ocupa toda la tarjeta */
.prod__img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform var(--t-slow) var(--ease-out);
}
.prod:hover .prod__img{transform:scale(1.055)}
.prod__cat{
  position:absolute;top:14px;left:14px;
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted-2);
  background:rgba(255,255,255,.7);
  backdrop-filter:blur(8px);
  padding:5px 10px;border-radius:var(--r-pill);
}
.prod__body{padding:var(--s5);display:flex;flex-direction:column;gap:var(--s3);flex:1}
.prod__head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--s3)}
.prod__body h3{font-size:19px;letter-spacing:-0.028em;line-height:1.2}
.prod__tag{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);margin-top:5px}
.prod__desc{font-size:13.5px;color:var(--muted);line-height:1.55;flex:1}
.prod__vars{display:flex;gap:6px;flex-wrap:wrap}
.prod__foot{
  display:flex;align-items:center;justify-content:space-between;gap:var(--s3);
  padding-top:var(--s4);border-top:1px solid var(--line-soft);
}
.prod__price{display:flex;flex-direction:column;gap:3px}
.prod__price .k{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2)}
.prod__price .v{font-family:var(--font-display);font-weight:700;font-size:31px;letter-spacing:-0.042em;line-height:1}
.prod__price .v sup{font-size:15px;font-weight:500;vertical-align:super;margin-right:2px;letter-spacing:0}
.prod__buy{
  width:46px;height:46px;flex:none;border-radius:var(--r-pill);
  background:var(--ink);color:var(--paper);
  display:grid;place-items:center;
  transition:transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.prod__buy:hover{transform:scale(1.08);box-shadow:var(--sh-ink)}

/* ---------- SPLIT SECTION ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,var(--s9));align-items:center}
.split--rev .split__vis{order:-1}
.checklist{display:flex;flex-direction:column;gap:var(--s4);margin-top:var(--s6)}
.checklist li{display:flex;gap:14px;align-items:flex-start;font-size:15.5px;line-height:1.55}
.checklist svg{flex:none;margin-top:3px}
.split__vis{position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--paper);box-shadow:var(--sh-2)}

/* Stat block */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.14);border-radius:var(--r-lg);overflow:hidden;margin-top:var(--s8)}
.stat{background:var(--ink);padding:clamp(24px,3vw,var(--s6));display:flex;flex-direction:column;gap:var(--s2)}
.stat__v{font-family:var(--font-display);font-weight:700;font-size:clamp(34px,4.4vw,58px);letter-spacing:-0.045em;line-height:1}
.stat__k{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.52)}

/* ---------- COMPOUND ACCORDION ---------- */
.acc{border-top:1px solid var(--line)}
.acc__i{border-bottom:1px solid var(--line)}
.acc__btn{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:var(--s5);
  padding:clamp(22px,2.6vw,var(--s6)) 0;
  text-align:left;
}
.acc__btn h3{font-size:clamp(22px,2.6vw,34px);letter-spacing:-0.032em;transition:transform var(--t-mid) var(--ease-out)}
.acc__i:hover .acc__btn h3{transform:translateX(8px)}
.acc__n{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--muted-2);flex:none;width:38px}
.acc__lead{display:flex;align-items:center;gap:var(--s5);min-width:0}
.acc__plus{
  width:44px;height:44px;flex:none;
  border:1.5px solid var(--ink-12);border-radius:var(--r-pill);
  display:grid;place-items:center;
  transition:all var(--t-mid) var(--ease);
}
.acc__i.is-open .acc__plus{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:rotate(135deg)}
.acc__panel{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows var(--t-slow) var(--ease-out);
}
.acc__i.is-open .acc__panel{grid-template-rows:1fr}
.acc__inner{overflow:hidden}
.acc__body{
  display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(24px,4vw,var(--s8));
  padding:0 0 var(--s7) 62px;
}
.acc__tags{display:flex;flex-wrap:wrap;gap:7px;align-content:flex-start}
.acc__body p{font-size:15.5px;line-height:1.65;color:var(--muted)}

/* ---------- TESTIMONIALS ---------- */
.tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s5)}
.tcard{
  background:var(--paper);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  padding:clamp(24px,2.8vw,var(--s6));
  display:flex;flex-direction:column;gap:var(--s4);
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.tcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.tcard__stars{display:flex;gap:3px}
.tcard p{font-size:15.5px;line-height:1.6;flex:1}
.tcard__who{display:flex;align-items:center;gap:13px;padding-top:var(--s4);border-top:1px solid var(--line-soft)}
.tcard__ini{
  width:40px;height:40px;flex:none;border-radius:var(--r-pill);
  background:var(--ink);color:var(--paper);
  display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;font-size:13.5px;letter-spacing:.02em;
}
.tcard__n{font-weight:700;font-size:14.5px}
.tcard__r{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin-inline:auto}
.faq .acc__btn{padding-block:var(--s5)}
.faq .acc__btn h3{font-size:clamp(16.5px,1.6vw,20px);letter-spacing:-0.02em;font-weight:700}
.faq .acc__i:hover .acc__btn h3{transform:none}
.faq .acc__plus{width:36px;height:36px}
.faq__ans{padding:0 60px var(--s5) 0;font-size:15px;line-height:1.65;color:var(--muted)}

/* ---------- CTA BAND ---------- */
.cta{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--ink);color:var(--paper);padding:clamp(40px,6vw,var(--s9))}
.cta::before{
  content:'';position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:60px 60px;
  animation:gridPan 22s linear infinite;
  mask-image:radial-gradient(90% 80% at 80% 20%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(90% 80% at 80% 20%,#000,transparent 75%);
}
.cta__in{position:relative;z-index:2;max-width:720px}
.cta .lede{color:rgba(255,255,255,.62)}
.cta__cta{display:flex;gap:var(--s3);flex-wrap:wrap;margin-top:var(--s7)}

/* ---------- FOOTER ---------- */
.footer{background:var(--ink);color:var(--paper);padding-block:clamp(56px,7vw,var(--s9)) var(--s6)}
.footer__grid{display:grid;grid-template-columns:1.7fr .9fr 1fr 1.15fr .95fr;gap:clamp(24px,3vw,var(--s7));padding-bottom:var(--s8)}
.footer__brand{display:flex;flex-direction:column;gap:var(--s4);max-width:34ch}
.footer__brand .brand__name{color:var(--paper)}
.footer p{font-size:14px;line-height:1.6;color:rgba(255,255,255,.52)}
.footer h4{font-family:var(--font-mono);font-size:10.5px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.42);margin-bottom:var(--s4)}
.footer__col ul{display:flex;flex-direction:column;gap:11px}
.footer__col a{font-size:14.5px;color:rgba(255,255,255,.74);transition:color var(--t-fast) var(--ease)}
.footer__col a:hover{color:var(--paper)}
.footer__bot{
  display:flex;align-items:center;justify-content:space-between;gap:var(--s4);flex-wrap:wrap;
  padding-top:var(--s5);border-top:1px solid rgba(255,255,255,.12);
}
.footer__bot p,.footer__bot a{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.42)}
/* Crédito de autoría: discreto, pero con el nombre legible al pasar. */
.footer__credito a{
  color:rgba(255,255,255,.62);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-color:rgba(255,255,255,.28);
  transition:color var(--t-fast) var(--ease),text-decoration-color var(--t-fast) var(--ease);
}
.footer__credito a:hover{color:var(--paper);text-decoration-color:var(--paper)}

.footer__legal{max-width:70ch;font-size:12px!important;line-height:1.6;letter-spacing:0!important;text-transform:none!important;font-family:var(--font-body)!important}

/* ---------- WHATSAPP FAB ---------- */
/* ---------- FLOTANTES ----------
   El dock agrupa WhatsApp y "volver arriba". Apilado de abajo hacia
   arriba, así el de WhatsApp queda siempre al ras y el otro encima.
   Si no hay número cargado, el de arriba baja solo: sin huecos. */
.dock{
  position:fixed;right:20px;bottom:20px;z-index:70;
  display:flex;flex-direction:column-reverse;align-items:flex-end;
  gap:12px;
  pointer-events:none;                 /* cada hijo se activa por su cuenta */
  transition:transform var(--t-mid) var(--ease);
}
/* Mientras se ve el aviso de "agregado", que comparte esquina, suben. */
body.plec-toast .dock{transform:translateY(-58px)}

.fab{
  display:flex;align-items:center;gap:11px;
  background:var(--ink);color:var(--paper);
  padding:14px 20px 14px 16px;
  border-radius:var(--r-pill);
  box-shadow:var(--sh-3);
  font-family:var(--font-display);font-weight:700;font-size:14px;
  opacity:0;transform:translateY(18px) scale(.94);pointer-events:none;
  transition:all var(--t-slow) var(--ease-out);
}
.fab.is-in{opacity:1;transform:none;pointer-events:auto}
.fab:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(10,10,10,.32)}
.fab__t{display:inline}

/* ---------- VOLVER ARRIBA ---------- */
.totop{
  position:relative;
  width:46px;height:46px;flex:none;
  display:grid;place-items:center;
  background:var(--paper);color:var(--ink);
  border:0;border-radius:50%;
  box-shadow:var(--sh-3);
  cursor:pointer;
  opacity:0;transform:translateY(18px) scale(.94);pointer-events:none;
  transition:opacity var(--t-slow) var(--ease-out),
             transform var(--t-slow) var(--ease-out),
             background var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease);
}
.totop.is-in{opacity:1;transform:none;pointer-events:auto}
.totop:hover{background:var(--ink);color:var(--paper)}
.totop:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

/* El anillo gira -90° para arrancar arriba, como un reloj. */
.totop__ring{position:absolute;inset:0;transform:rotate(-90deg)}
.totop__ring circle{fill:none;stroke-width:2}
.totop__pista{stroke:var(--line)}
.totop:hover .totop__pista{stroke:rgba(255,255,255,.22)}
.totop__barra{
  stroke:currentColor;
  stroke-linecap:round;
  stroke-dasharray:131.95;             /* 2πr con r=21 */
  stroke-dashoffset:131.95;            /* main.js lo mueve al hacer scroll */
  transition:stroke-dashoffset .12s linear;
}
.totop__ico{display:grid;place-items:center;line-height:0}

/* ---------- SCROLL PROGRESS ---------- */
.prog{position:fixed;top:0;left:0;height:2px;background:var(--ink);z-index:90;width:0;transition:width 80ms linear}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .labs{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:900px){
  :root{--header-h:66px}
  .nav{display:none}
  .burger{display:grid}
  .hero__grid{grid-template-columns:1fr;gap:var(--s7)}
  .hero__copy{max-width:none}
  .split,.split--rev .split__vis{grid-template-columns:1fr;order:0}
  .trio{grid-template-columns:1fr}
  .labs{grid-template-columns:repeat(2,1fr)}
  .lab{min-height:128px;padding:var(--s6) var(--s4);gap:var(--s3)}
  .lab img{filter:grayscale(1) contrast(1.06);mix-blend-mode:multiply;opacity:.78;max-width:min(170px,86%)}
  .lab__n{opacity:1;transform:none;font-size:9px;letter-spacing:.16em;text-align:center}
  .tgrid{grid-template-columns:1fr}
  .acc__body{grid-template-columns:1fr;padding-left:0;gap:var(--s5)}
  .spec-chip--a{left:2%;top:5%}
  .spec-chip--b{right:2%;bottom:34%}
}
@media (max-width:720px){
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:1fr}
  .prod__body{padding:var(--s4)}
  .prod__body h3{font-size:17px}
  .prod__price .v{font-size:27px}
  .prod__price .v sup{font-size:13px}
  .prod__buy{width:44px;height:44px}
  .hero__trust{gap:var(--s4)}
  .trust-sep{display:none}
  .faq__ans{padding-right:0}
  .fab__t{display:none}
  .fab{padding:15px}
  .dock{right:16px;bottom:16px;gap:10px}
  .totop{width:44px;height:44px}
  /* Si algún día se activa la barra de compra fija, los flotantes la esquivan. */
  body.has-sticky .dock{bottom:calc(86px + env(safe-area-inset-bottom, 0px))}
  .footer__grid{grid-template-columns:1fr;gap:var(--s6)}
}
/* El grid se mantiene en 2 columnas en móvil: todos los iPhone
   miden entre 375 y 440 px, y una sola columna obliga a scrollear
   demasiado para recorrer el catálogo. */
@media (max-width:480px){
  .pgrid{grid-template-columns:repeat(2,1fr);gap:var(--s3)}
  .prod__body{padding:var(--s3);gap:10px}
  .prod__body h3{font-size:15px;letter-spacing:-0.03em}
  .prod__tag{font-size:9px;letter-spacing:.06em}
  .prod__desc{display:none}
  .prod__vars{gap:4px}
  .prod__vars .pill{padding:4px 8px;font-size:9px;letter-spacing:.08em}
  /* sin descripción no hay nada que empuje el pie: alinea los precios
     entre cards aunque el título ocupe una o dos líneas */
  .prod__foot{margin-top:auto}
  .prod__cat{font-size:8.5px;padding:4px 8px;top:10px;left:10px}
  .prod__foot{padding-top:11px}
  .prod__price .k{font-size:8.5px}
  .prod__price .v{font-size:22px}
  .prod__price .v sup{font-size:11px}
  .prod__buy{width:38px;height:38px}
  .prod__buy svg{width:15px;height:15px}
  .hero__cta{flex-direction:column;align-items:stretch}
  .hero__cta .btn{width:100%}
}

/* Pantallas muy angostas (iPhone SE): una sola columna */
@media (max-width:339px){
  .pgrid{grid-template-columns:1fr}
  .prod__desc{display:block}
}