/* ============================================================
   VALENT — Landing
   Estilo: minimalista, alto contraste, mobile first.
   Paleta: negro / blanco / grises. Sin colores de marca extra.
   ============================================================ */

:root{
  --black:#0B0B0C;
  --ink:#131315;
  --white:#FFFFFF;
  --paper:#F4F4F3;
  --paper-2:#EAEAE8;
  --muted:#7A7A7E;
  --muted-dark:#9C9CA1;
  --line:rgba(11,11,12,.12);
  --line-dark:rgba(255,255,255,.14);

  --radius:14px;
  --radius-lg:22px;
  --gap:clamp(1.25rem, 4vw, 2rem);
  --pad-x:clamp(1.25rem, 5vw, 3.5rem);
  --section-y:clamp(3.25rem, 7.5vw, 5.5rem);

  --font:'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --ease:cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:74px;
}

body{
  margin:0;
  background:var(--paper);
  color:var(--black);
  font-family:var(--font);
  font-size:clamp(1rem,.96rem + .3vw,1.0625rem);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.035em;line-height:.98}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

:focus-visible{outline:2px solid currentColor;outline-offset:3px;border-radius:4px}

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

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--black);color:var(--white);padding:.75rem 1rem;
}
.skip-link:focus{left:.5rem;top:.5rem}

.container{width:100%;max-width:1240px;margin-inline:auto;padding-inline:var(--pad-x)}

/* ---------- Tipografía utilitaria ---------- */
.eyebrow{
  font-size:.75rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);margin-bottom:1rem;
  text-wrap:balance;   /* reparte las líneas parejo si la lista de disciplinas corta */
}
.section--dark .eyebrow{color:var(--muted-dark)}

.section__title{font-size:clamp(2.1rem,7.5vw,4.25rem)}
.section__text{margin-top:1.1rem;max-width:52ch;color:#3A3A3E}
.section--dark .section__text{color:#B6B6BA}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(244,244,243,.72);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.is-stuck{border-bottom-color:var(--line)}

.header__inner{
  display:flex;align-items:center;gap:1rem;
  height:66px;
}

/* Logo: isotipo + wordmark vectorizados del logo oficial.
   Ambos heredan currentColor → negro sobre claro, blanco sobre oscuro. */
.sprite{position:absolute;width:0;height:0;overflow:hidden}

.logo{display:inline-flex;align-items:center;gap:.6rem;margin-right:auto;color:inherit}
.logo__mark,.logo__word{display:block;fill:currentColor;flex:none;width:auto}
.logo__mark{height:21px;aspect-ratio:100/86.5}
.logo__word{height:10.5px;aspect-ratio:100/15.9;margin-top:1px}

/* Lockup vertical completo (footer) */
.logo-lockup{display:inline-block;color:inherit}
.logo-lockup svg{
  display:block;fill:currentColor;
  width:78px;height:auto;aspect-ratio:100/76.1;
}

.nav{display:none}
.site-header .header__cta{display:none}   /* se activa en ≥900px */

.nav-toggle{
  width:44px;height:44px;margin-right:-10px;
  display:grid;place-content:center;gap:6px;
}
.nav-toggle span{
  display:block;width:22px;height:2px;background:var(--black);
  transition:transform .3s var(--ease), opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* Menú mobile */
@media (max-width:899px){
  .nav{
    position:fixed;inset:66px 0 auto 0;
    display:block;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    padding:1rem var(--pad-x) 2rem;
    transform:translateY(-8px);
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  }
  .nav.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .nav a{
    display:block;padding:.9rem 0;
    font-size:1.5rem;font-weight:700;letter-spacing:-.02em;
    border-bottom:1px solid var(--line);
  }
  .nav a:last-child{border-bottom:0}
}

@media (min-width:900px){
  .nav-toggle{display:none}
  .nav{display:flex;gap:2rem;margin-right:1.75rem}
  .nav a{
    font-size:.875rem;font-weight:600;position:relative;padding-block:.25rem;
  }
  .nav a::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
    background:currentColor;transform:scaleX(0);transform-origin:left;
    transition:transform .3s var(--ease);
  }
  .nav a:hover::after{transform:scaleX(1)}
  .site-header .header__cta{display:inline-flex}
}

/* ============================================================
   BOTONES
   ============================================================ */
.btn{
  --btn-bg:var(--black);--btn-fg:var(--white);--btn-bd:var(--black);
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.95rem 1.6rem;min-height:50px;
  background:var(--btn-bg);color:var(--btn-fg);
  border:1px solid var(--btn-bd);border-radius:999px;
  font-size:.9375rem;font-weight:700;letter-spacing:-.01em;
  cursor:pointer;text-align:center;
  transition:transform .2s var(--ease), opacity .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--light{--btn-bg:var(--white);--btn-fg:var(--black);--btn-bd:var(--white)}
.btn--dark{--btn-bg:var(--black);--btn-fg:var(--white);--btn-bd:var(--black)}
.btn--ghost{--btn-bg:transparent;--btn-fg:currentColor;--btn-bd:currentColor}
.btn--ghost:hover{--btn-bg:currentColor}
.section--dark .btn--ghost:hover,.hero .btn--ghost:hover{background:var(--white);color:var(--black);border-color:var(--white)}
.btn--sm{padding:.6rem 1.15rem;min-height:40px;font-size:.8125rem}
.btn--full{width:100%}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  background:var(--black);color:var(--white);
  padding-top:clamp(3rem,10vw,5.5rem);
  padding-bottom:clamp(3.5rem,10vw,6rem);
  overflow:hidden;
}
.hero__inner{display:grid;gap:clamp(2rem,7vw,3rem)}

.hero__title{
  font-size:clamp(2.9rem,12vw,6.5rem);
  letter-spacing:-.045em;
}
.hero__title em{font-style:normal;color:var(--muted-dark)}

.hero__text{
  margin-top:1.5rem;max-width:46ch;
  color:#B6B6BA;font-size:1.05rem;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}
.hero__actions .btn{flex:1 1 auto;min-width:min(100%,15rem)}

.hero__media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--paper-2);
}
.hero__media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(11,11,12,.06);
  border-radius:inherit;
}
.hero__media img{
  width:100%;
  aspect-ratio:4/3;object-fit:cover;object-position:center 52%;
  filter:grayscale(1) contrast(1.04);
}

@media (min-width:900px){
  .hero__inner{
    grid-template-columns:1.05fr 1fr;align-items:center;
    padding-block:1rem;
  }
  .hero__media img{aspect-ratio:1/1}
}

/* ============================================================
   TICKER
   ============================================================ */
.ticker{
  background:var(--black);color:var(--white);
  border-top:1px solid var(--line-dark);
  padding-block:.9rem;overflow:hidden;
}
.ticker__track{
  display:flex;width:max-content;
  animation:slide var(--ticker-dur,26s) linear infinite;
  will-change:transform;
}
/* El padding-right hace de separación entre mitades: así el ancho exterior de
   cada mitad es exactamente el 50% del track y el salto queda invisible. */
.ticker__half{display:flex;align-items:center;gap:1.5rem;padding-right:1.5rem}
.ticker span{
  font-size:.8125rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;white-space:nowrap;
}
.ticker i{width:5px;height:5px;background:currentColor;border-radius:50%;flex:none;opacity:.5}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ============================================================
   SECCIONES
   ============================================================ */
.section{padding-block:var(--section-y)}
/* Para bloques cortos, donde el alto completo deja demasiado aire muerto. */
.section--compacta{padding-block:clamp(2.5rem,5.5vw,4rem)}
.section--dark{background:var(--black);color:var(--white)}
.section__head{max-width:44rem;margin-bottom:clamp(1.75rem,5vw,2.75rem)}

/* ---------- Productos ---------- */
.products{display:grid;gap:clamp(1.25rem,4vw,1.75rem)}

.product{
  display:flex;flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.product:hover{transform:translateY(-4px);box-shadow:0 18px 50px -24px rgba(0,0,0,.45)}

.product__media{
  position:relative;background:var(--paper-2);
  aspect-ratio:4/3;overflow:hidden;
}
.product__media img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(1) contrast(1.04);
  transition:transform .6s var(--ease), opacity .3s var(--ease);
}
.product:hover .product__media img{transform:scale(1.03)}
.product__media img.is-swapping{opacity:0}

/* Ficha sin foto: isotipo de marca sobre trama diagonal */
.product__media--brand{
  display:grid;place-items:center;
  background:
    repeating-linear-gradient(135deg,var(--paper-2) 0 12px,var(--paper) 12px 24px);
}
.ph{width:34%;max-width:130px;height:auto;fill:var(--black);opacity:.14}

.tag{
  position:absolute;top:.85rem;left:.85rem;
  background:rgba(11,11,12,.85);color:var(--white);
  padding:.35rem .7rem;border-radius:999px;
  font-size:.6875rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  backdrop-filter:blur(6px);
}

.product__body{display:flex;flex-direction:column;gap:1.15rem;padding:clamp(1.25rem,5vw,1.75rem);flex:1}
.product__name{font-size:clamp(1.5rem,5vw,1.9rem)}
.product__desc{color:#4A4A4E;font-size:.9375rem;line-height:1.55}

.opt{display:flex;flex-direction:column;gap:.55rem}
.opt__label{font-size:.6875rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{
  padding:.55rem 1rem;min-height:42px;
  border:1px solid var(--line);border-radius:999px;
  font-size:.875rem;font-weight:600;
  transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.chip:hover{border-color:var(--black)}
.chip.is-active{background:var(--black);color:var(--white);border-color:var(--black)}

.product__foot{margin-top:auto;display:flex;flex-direction:column;gap:.85rem;padding-top:.5rem}
.price{font-size:1.25rem;font-weight:800;letter-spacing:-.02em}
/* "Consultar precio" no es una cifra: no tiene que pesar como una. */
.price--consultar{font-size:.9375rem;font-weight:600;color:var(--muted)}

@media (min-width:760px){
  .products{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1080px){
  .products{grid-template-columns:repeat(3,1fr)}
}

/* ---------- Features ---------- */
.features{display:grid;gap:clamp(1.5rem,5vw,2rem)}
.feature{
  padding-top:1.5rem;border-top:1px solid var(--line-dark);
  display:flex;flex-direction:column;gap:.6rem;
}
.feature svg{
  width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;margin-bottom:.4rem;
}
.feature h3{font-size:1.15rem;letter-spacing:-.02em}
.feature p{color:#A8A8AD;font-size:.9375rem;line-height:1.55}

@media (min-width:640px){.features{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1080px){.features{grid-template-columns:repeat(4,1fr)}}

/* ---------- Quiénes somos ---------- */
.nosotros__grid{display:grid;gap:clamp(2rem,6vw,4rem)}
.nosotros__col .section__title{margin-bottom:1.75rem}

/* Sello de disciplinas: el isotipo apoyado contra el rótulo de la tienda. */
.nosotros__sello{
  display:flex;align-items:center;gap:.9rem;
  padding-top:1.25rem;border-top:1px solid var(--line);
}
.nosotros__sello svg{width:36px;height:auto;fill:var(--black);flex:none}
.nosotros__sello strong{
  display:block;font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;
}
.nosotros__sello span{
  display:block;margin-top:.15rem;font-size:.8125rem;color:var(--muted);
}

.nosotros__texto{display:grid;gap:1.1rem;max-width:62ch}
.nosotros__texto p{color:var(--muted);line-height:1.7}
/* El primer párrafo entra como bajada, no como un párrafo más. */
.nosotros__entrada{
  font-size:clamp(1.0625rem,2.4vw,1.25rem);font-weight:600;
  color:var(--black)!important;line-height:1.5;letter-spacing:-.01em;
}
.nosotros__cierre{
  margin-top:.4rem;padding-left:1rem;border-left:2px solid var(--black);
  color:var(--black)!important;font-weight:600;
}

@media (min-width:900px){
  .nosotros__grid{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);align-items:start}
  .nosotros__col{position:sticky;top:calc(66px + 2rem)}
}

/* ---------- Guía ---------- */
.guide{display:grid;gap:clamp(2rem,7vw,4rem)}
.guide__copy .btn{margin-top:1.75rem}

.guide__table{overflow-x:auto;-webkit-overflow-scrolling:touch}
.guide table{width:100%;border-collapse:collapse;min-width:320px}
.guide th,.guide td{
  text-align:left;padding:1.05rem .5rem;
  border-bottom:1px solid var(--line);
  font-size:.9375rem;
}
.guide thead th{
  font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700;
}
.guide tbody th{font-weight:800;font-size:1.05rem;letter-spacing:-.02em;white-space:nowrap}
.guide tbody td{color:#4A4A4E}
.guide tbody tr:last-child th,.guide tbody tr:last-child td{border-bottom:0}

@media (min-width:900px){
  .guide{grid-template-columns:1fr 1fr;align-items:center}
}

/* ---------- CTA marca ---------- */
.cta{position:relative;overflow:hidden}
.cta__watermark{
  position:absolute;right:-14%;top:50%;transform:translateY(-50%);
  width:min(58vw,420px);height:auto;
  fill:var(--white);opacity:.045;pointer-events:none;
}
.cta__inner{position:relative;max-width:56rem}
@media (min-width:900px){
  .cta__watermark{right:2%;width:min(34vw,400px)}
}
.cta__title{font-size:clamp(2.1rem,8vw,4.5rem);letter-spacing:-.04em}
.cta__text{margin-top:1.5rem;max-width:48ch;color:#B6B6BA}
.cta__actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2.25rem}
.cta__actions .btn{flex:1 1 auto;min-width:min(100%,14rem)}
@media (min-width:640px){.cta__actions .btn{flex:0 0 auto;min-width:0}}

/* ---------- FAQ ---------- */
.acc{border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.35rem 0;cursor:pointer;list-style:none;
  font-size:1.0625rem;font-weight:700;letter-spacing:-.015em;
}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{
  content:"";flex:none;width:12px;height:12px;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translate(-3px,-3px);
  transition:transform .3s var(--ease);
}
.acc details[open] summary::after{transform:rotate(-135deg) translate(-2px,-2px)}
.acc p{padding-bottom:1.5rem;max-width:62ch;color:#4A4A4E;font-size:.9375rem}

/* ---------- Contacto ---------- */
.contact{background:var(--paper-2)}
.contact__inner{display:grid;gap:clamp(1.5rem,5vw,3rem)}
.contact__list{border-top:1px solid var(--line)}
.contact__list li{border-bottom:1px solid var(--line)}
.contact__list a{
  display:flex;align-items:baseline;justify-content:space-between;gap:1rem;
  padding:1.05rem 0;transition:padding-left .25s var(--ease);
}
.contact__list a:hover{padding-left:.5rem}
.contact__k{font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700}
.contact__v{font-size:1.0625rem;font-weight:700;letter-spacing:-.015em;text-align:right}
@media (min-width:900px){.contact__inner{grid-template-columns:1fr 1fr;align-items:center}}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--black);color:var(--white);padding-block:clamp(3rem,9vw,4.5rem)}
.footer__inner{display:grid;gap:1.25rem}
.footer__claim{color:var(--muted-dark);font-size:.9375rem;max-width:24ch}
.footer__nav{display:flex;flex-wrap:wrap;gap:1.25rem;margin-top:.5rem}
.footer__nav a{font-size:.875rem;font-weight:600;color:#D6D6DA}
.footer__nav a:hover{color:var(--white)}
.footer__legal{
  margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--line-dark);
  font-size:.75rem;color:var(--muted-dark);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem .75rem;
}
.footer__legal p{margin:0}
/* Crédito del estudio: presente pero sin competir con la marca. */
.footer__credito{display:inline-flex;align-items:center;gap:.5rem;opacity:.5;transition:opacity .2s ease}
.footer__credito:hover{opacity:.85}
.footer__credito img{height:28px;width:auto;display:block}

@media (min-width:900px){
  .footer__inner{grid-template-columns:auto 1fr auto;align-items:center;gap:2rem}
  .footer__claim{margin:0}
  .footer__nav{margin:0;justify-content:flex-end}
  .footer__legal{grid-column:1/-1}
}

/* ============================================================
   FAB WhatsApp
   ============================================================ */
.fab{
  position:fixed;right:1rem;bottom:calc(1rem + env(safe-area-inset-bottom));
  z-index:90;width:54px;height:54px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--black);color:var(--white);
  box-shadow:0 10px 30px -10px rgba(0,0,0,.6);
  transform:translateY(120%);opacity:0;
  transition:transform .4s var(--ease), opacity .3s var(--ease);
}
.fab.is-visible{transform:none;opacity:1}
.fab:hover{transform:translateY(-3px)}
.fab svg{width:26px;height:26px;fill:currentColor}
@media (min-width:900px){.fab{right:1.75rem;bottom:1.75rem}}

/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */
/* Sólo se ocultan si el JS está activo: sin JS, todo se ve igual. */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease), transform .7s var(--ease)}
.reveal[data-delay="1"]{transition-delay:.09s}
.reveal[data-delay="2"]{transition-delay:.18s}
.reveal[data-delay="3"]{transition-delay:.27s}
.js .reveal.is-in{opacity:1;transform:none}

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