/* ==========================================================
   Petmarketec · World's Best Cat Litter Ecuador
   Tokens
   ========================================================== */
:root{
  --ink:#12233A;
  --ink-2:#1B3350;
  --blue:#3C7AC0;
  --blue-deep:#2D63A3;
  --blue-soft:#E4EEF9;
  --gold:#F2B825;
  --gold-deep:#D99A0B;
  --gold-soft:#FFF4D1;
  --green:#1F7A5C;
  --ground:#F4F6F9;
  --surface:#FFFFFF;
  --text:#152238;
  --muted:#5B6B80;
  --line:#DCE3EC;
  --ok:#1F7A5C;
  --mid:#B7791F;
  --bad:#B3402F;

  --display:"Bricolage Grotesque","Helvetica Neue",Arial,sans-serif;
  --body:"DM Sans","Helvetica Neue",Arial,sans-serif;

  --wrap:1180px;
  --pad:clamp(20px,5vw,64px);
  --r:18px;
  --shadow:0 20px 60px -20px rgba(18,35,58,.25);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  margin:0;
  font-family:var(--body);
  color:var(--text);
  background:var(--ground);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display);line-height:1.05;letter-spacing:-.01em;text-wrap:balance;margin:0}
p{margin:0}
ol,ul{margin:0;padding:0;list-style:none}
fieldset{border:0;padding:0;margin:0;min-width:0}
legend{padding:0}
small{font-size:.85em;color:var(--muted)}

.skip{position:absolute;left:-999px;top:8px;background:var(--gold);color:var(--ink);padding:8px 12px;border-radius:8px;z-index:100}
.skip:focus{left:8px}

.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

.eyebrow{font-family:var(--body);font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.eyebrow--light{color:var(--gold)}
.h2{font-size:clamp(1.9rem,4.2vw,3.2rem);font-weight:700;max-width:18ch;margin-bottom:18px}
.h2--light{color:#fff}
.lead{font-size:clamp(1.05rem,1.5vw,1.2rem);color:var(--muted);max-width:60ch}
.lead--light{color:rgba(255,255,255,.75)}
.fine{font-size:.82rem;color:var(--muted);max-width:75ch;margin-top:20px;line-height:1.5}
.fine--light{color:rgba(255,255,255,.6)}
.fine a{color:inherit}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--body);font-weight:600;font-size:.95rem;
  padding:12px 20px;border-radius:999px;text-decoration:none;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s,background .2s,color .2s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.btn--gold{background:var(--gold);color:var(--ink);box-shadow:0 10px 30px -12px rgba(242,184,37,.8)}
.btn--gold:hover{background:#FFC63A}
.btn--blue{background:var(--blue);color:#fff}
.btn--blue:hover{background:var(--blue-deep)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn--ghost:hover{border-color:#fff}
.btn--lg{padding:16px 28px;font-size:1.05rem}
.btn--block{width:100%;justify-content:center}

/* ==========================================================
   Nav
   ========================================================== */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  padding:14px var(--pad);
  transition:background .3s,box-shadow .3s,padding .3s;
}
.nav__inner{max-width:var(--wrap);margin:0 auto;display:flex;align-items:center;gap:28px}
.nav__logo{display:block;width:180px;height:auto}
.nav__logo img{width:100%;height:auto}
.nav__logo--dark{display:none}
.nav__links{display:flex;gap:22px;margin-left:auto;font-size:.9rem;font-weight:500}
.nav__links a{color:rgba(255,255,255,.8);text-decoration:none;transition:color .2s}
.nav__links a:hover{color:#fff}
.nav__cta{padding:10px 16px;font-size:.88rem}
.nav.is-solid{background:rgba(255,255,255,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line);padding:10px var(--pad)}
.nav.is-solid .nav__logo--light{display:none}
.nav.is-solid .nav__logo--dark{display:block}
.nav.is-solid .nav__links a{color:var(--muted)}
.nav.is-solid .nav__links a:hover{color:var(--ink)}
@media (max-width:900px){
  .nav__links{display:none}
  .nav__logo{width:140px}
  .nav__cta{margin-left:auto}
}
@media (max-width:480px){
  .nav__cta span,.nav__cta{font-size:.8rem;padding:9px 12px}
}

/* ==========================================================
   Hero
   ========================================================== */
.hero{
  position:relative;
  background:
    radial-gradient(1200px 600px at 85% 20%,rgba(60,122,192,.45),transparent 60%),
    radial-gradient(800px 500px at 10% 90%,rgba(242,184,37,.18),transparent 60%),
    var(--ink);
  color:#fff;
  padding:clamp(120px,18vh,180px) var(--pad) clamp(60px,10vh,110px);
  overflow:hidden;
  isolation:isolate;
}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.9}
.hero__inner{max-width:var(--wrap);margin:0 auto;display:grid;gap:26px;justify-items:start}
.hero__title{
  font-size:clamp(2.4rem,6.2vw,4.9rem);
  font-weight:800;
  line-height:.98;
  letter-spacing:-.025em;
  max-width:14ch;
}
.hero__title .w{display:inline-block;white-space:pre}
.hero__title .w-accent{color:var(--gold)}
.hero__lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:rgba(255,255,255,.78);max-width:58ch}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px}
.hero__stats{display:grid;grid-template-columns:repeat(3,auto);gap:clamp(20px,4vw,56px);margin:12px 0 0;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);width:fit-content}
.hero__stats dt{font-family:var(--display);font-weight:800;font-size:clamp(1.7rem,3vw,2.4rem);color:var(--gold);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.hero__stats dd{margin:2px 0 0;font-size:.85rem;color:rgba(255,255,255,.7);max-width:16ch}
.hero__scroll{position:absolute;right:var(--pad);bottom:28px;width:22px;height:38px;border:1.5px solid rgba(255,255,255,.35);border-radius:12px}
.hero__scroll span{position:absolute;left:50%;top:7px;width:3px;height:8px;margin-left:-1.5px;border-radius:2px;background:var(--gold);animation:scrollhint 1.8s ease-in-out infinite}
@keyframes scrollhint{0%{transform:translateY(0);opacity:1}70%{transform:translateY(14px);opacity:0}100%{opacity:0}}
@media (max-width:600px){
  .hero__stats{grid-template-columns:1fr 1fr;width:100%}
  .hero__scroll{display:none}
}

/* ==========================================================
   Problema
   ========================================================== */
.problem{padding:clamp(70px,10vw,120px) 0}
.problem__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:40px}
.problem__item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;
  display:grid;gap:10px;align-content:start;
}
.problem__item h3{font-size:1.2rem;font-weight:700}
.problem__item p{color:var(--muted);font-size:.95rem}
.problem__item::before{content:"";width:34px;height:4px;border-radius:2px;background:var(--bad);opacity:.7}

/* ==========================================================
   Por qué maíz (sticky)
   ========================================================== */
.why{padding:clamp(40px,8vw,100px) 0 clamp(70px,10vw,120px);background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.why__layout{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(32px,6vw,90px);align-items:start}
.why__sticky{position:sticky;top:96px}
.why__bagwrap{position:relative;padding:20px;background:radial-gradient(60% 60% at 50% 40%,var(--blue-soft),transparent 75%);border-radius:28px}
.bag{width:min(100%,300px);height:auto;margin:0 auto;filter:drop-shadow(0 30px 40px rgba(18,35,58,.3));transform-origin:50% 90%}
.why__badge{
  position:absolute;left:50%;bottom:-8px;transform:translateX(-50%);
  background:var(--ink);color:#fff;font-size:.82rem;font-weight:600;
  padding:9px 16px 9px 10px;border-radius:999px;white-space:nowrap;display:flex;gap:10px;align-items:center;
  box-shadow:var(--shadow);
}
.why__badge span{background:var(--gold);color:var(--ink);font-family:var(--display);font-weight:800;font-size:.75rem;padding:3px 8px;border-radius:999px;font-variant-numeric:tabular-nums}
.reasons{display:grid;gap:8px;margin-top:36px;counter-reset:reason}
.reason{
  position:relative;padding:26px 24px 26px 74px;border-radius:var(--r);
  border:1px solid transparent;transition:background .35s,border-color .35s,opacity .35s;
  opacity:.45;
}
.reason::before{
  content:attr(data-reason);position:absolute;left:24px;top:26px;
  font-family:var(--display);font-weight:800;font-size:1rem;color:var(--blue);
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  border:1.5px solid var(--line);background:var(--surface);transition:background .35s,color .35s,border-color .35s;
}
.reason h3{font-size:1.25rem;font-weight:700;margin-bottom:8px}
.reason p{color:var(--muted);font-size:.97rem}
.reason small{display:block;margin-top:6px}
.reason.is-active{opacity:1;background:var(--ground);border-color:var(--line)}
.reason.is-active::before{background:var(--gold);color:var(--ink);border-color:var(--gold)}
@media (max-width:860px){
  .why__layout{grid-template-columns:1fr}
  .why__sticky{position:relative;top:auto}
  .bag{width:min(60%,240px)}
  .reason{opacity:1;padding-left:64px}
  .reason::before{left:18px}
}

/* ==========================================================
   Comparativa
   ========================================================== */
.compare{background:var(--ink);color:#fff;padding:clamp(70px,10vw,120px) 0}
.table-scroll{overflow-x:auto;margin-top:40px;border-radius:var(--r);border:1px solid rgba(255,255,255,.12);-webkit-overflow-scrolling:touch}
.cmp{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;font-size:.93rem}
.cmp th,.cmp td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(255,255,255,.1)}
.cmp thead th{font-family:var(--display);font-weight:700;font-size:1.05rem;background:rgba(255,255,255,.04);color:#fff}
.cmp thead th span{display:block;font-family:var(--body);font-weight:500;font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-top:3px}
.cmp thead th.cmp__hero{background:var(--gold);color:var(--ink)}
.cmp thead th.cmp__hero span{color:rgba(18,35,58,.7)}
.cmp tbody th{font-weight:600;color:rgba(255,255,255,.9);width:24%}
.cmp tbody td{color:rgba(255,255,255,.8);position:relative;padding-left:40px}
.cmp tbody td::before{content:"";position:absolute;left:16px;top:20px;width:12px;height:12px;border-radius:50%}
.cmp td.ok::before{background:#38C18F}
.cmp td.mid::before{background:var(--gold)}
.cmp td.bad::before{background:#F0705A}
.cmp tbody td:nth-child(2){background:rgba(242,184,37,.08);font-weight:500;color:#fff}
.cmp tbody tr{transition:background .3s}
.cmp tbody tr.is-lit{background:rgba(255,255,255,.04)}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}

/* ==========================================================
   Calculadora
   ========================================================== */
.calc{padding:clamp(70px,10vw,120px) 0;background:linear-gradient(180deg,var(--gold-soft),var(--ground) 70%)}
.calc__layout{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:center}
.calc__panel{
  background:var(--surface);border:1px solid var(--line);border-radius:26px;padding:clamp(22px,3vw,34px);
  display:grid;gap:22px;box-shadow:var(--shadow);
}
.calc legend{font-weight:600;font-size:.9rem;margin-bottom:10px;color:var(--ink)}
.seg{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.seg--3{grid-template-columns:repeat(3,1fr)}
.seg label{position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0;inset:0;pointer-events:none}
.seg span{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  min-height:56px;border:1.5px solid var(--line);border-radius:14px;
  font-family:var(--display);font-weight:700;font-size:1.15rem;color:var(--ink);
  background:var(--ground);transition:all .2s;
}
.seg span small{font-family:var(--body);font-weight:500;font-size:.72rem}
.seg input:checked+span{background:var(--ink);color:#fff;border-color:var(--ink)}
.seg input:checked+span small{color:rgba(255,255,255,.7)}
.seg input:focus-visible+span{outline:3px solid var(--gold);outline-offset:2px}
.calc__out{display:grid;gap:10px;padding:22px;border-radius:18px;background:var(--blue-soft)}
.calc__big{display:flex;align-items:baseline;gap:10px;font-family:var(--display);font-weight:800;color:var(--ink);letter-spacing:-.03em}
.calc__big span{font-size:clamp(3rem,6vw,4.4rem);line-height:1;font-variant-numeric:tabular-nums}
.calc__big em{font-style:normal;font-size:1.3rem;color:var(--blue)}
.calc__sub{font-size:.95rem;color:var(--muted)}
.calc__sub strong{color:var(--ink)}
.calc__bar{height:8px;border-radius:4px;background:rgba(60,122,192,.18);overflow:hidden}
.calc__bar i{display:block;height:100%;width:30%;background:linear-gradient(90deg,var(--blue),var(--gold));border-radius:4px;transition:width .6s cubic-bezier(.2,.8,.2,1)}
.calc__hint{font-size:.88rem;color:var(--blue-deep);font-weight:500}
@media (max-width:860px){.calc__layout{grid-template-columns:1fr}}

/* ==========================================================
   Cómo usar
   ========================================================== */
.how{padding:clamp(70px,10vw,120px) 0;background:var(--surface);border-top:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:40px;position:relative}
.step{padding:28px 24px;border-radius:var(--r);background:var(--ground);display:grid;gap:10px;align-content:start;position:relative}
.step__n{
  width:44px;height:44px;border-radius:50%;background:var(--gold);color:var(--ink);
  font-family:var(--display);font-weight:800;font-size:1.2rem;display:grid;place-items:center;margin-bottom:6px;
}
.step h3{font-size:1.15rem;font-weight:700}
.step p{color:var(--muted);font-size:.95rem}

/* ==========================================================
   Productos
   ========================================================== */
.products{padding:clamp(70px,10vw,120px) 0;position:relative}
.pgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;margin-top:40px}
.pcard{
  background:var(--surface);border:1px solid var(--line);border-radius:26px;overflow:hidden;
  display:grid;grid-template-rows:auto 1fr;transform-style:preserve-3d;
  transition:box-shadow .3s;will-change:transform;
}
.pcard:hover{box-shadow:var(--shadow)}
.pcard__art{padding:28px 36px 0;display:grid;place-items:end center;height:320px}
.pcard__art img{width:auto;height:280px;filter:drop-shadow(0 24px 30px rgba(18,35,58,.3));transform:translateZ(30px)}
.pcard__art--orig{background:radial-gradient(70% 80% at 50% 100%,#DFF0DC,var(--surface))}
.pcard__art--low{background:radial-gradient(70% 80% at 50% 100%,#FDE4D0,var(--surface))}
.pcard__body{padding:26px 28px 30px;display:grid;gap:14px;align-content:start}
.pcard__body h3{font-size:1.5rem;font-weight:700}
.pcard__for{color:var(--muted);font-size:.97rem}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips li{font-size:.78rem;font-weight:600;padding:6px 11px;border-radius:999px;background:var(--ground);border:1px solid var(--line);color:var(--ink)}
.pcard__sizes{font-size:.92rem;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
.pcard__sizes strong{color:var(--ink)}

/* ==========================================================
   Dónde comprar
   ========================================================== */
.buy{background:var(--ink-2);color:#fff;padding:clamp(70px,10vw,120px) 0}
.buy__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:18px;margin-top:40px}
.buy__card{
  display:grid;gap:12px;align-content:start;padding:28px 26px;border-radius:var(--r);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);text-decoration:none;color:#fff;
  transition:transform .3s cubic-bezier(.2,.8,.2,1),background .3s,border-color .3s;
}
.buy__card:hover{transform:translateY(-4px);background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25)}
.buy__card--wa{background:var(--gold);color:var(--ink);border-color:var(--gold)}
.buy__card--wa:hover{background:#FFC63A;border-color:#FFC63A}
.buy__tag{font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;opacity:.7}
.buy__card h3{font-size:1.4rem;font-weight:700}
.buy__card p{opacity:.8;font-size:.95rem}
.buy__link{font-weight:600;margin-top:auto;padding-top:8px}
@media (max-width:860px){.buy__grid{grid-template-columns:1fr}}

/* ==========================================================
   FAQ
   ========================================================== */
.faq{padding:clamp(70px,10vw,120px) 0;background:var(--surface)}
.faq__layout{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(32px,6vw,80px);align-items:start}
.faq__list{display:grid;gap:10px}
.faq details{border:1px solid var(--line);border-radius:16px;background:var(--ground);overflow:hidden}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 54px 18px 22px;font-family:var(--display);font-weight:700;font-size:1.08rem;position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:20px;top:50%;width:12px;height:12px;margin-top:-6px;
  border-right:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(45deg);transition:transform .3s;
}
.faq details[open] summary::after{transform:rotate(225deg)}
.faq details p{padding:0 22px 20px;color:var(--muted);font-size:.96rem}
@media (max-width:860px){.faq__layout{grid-template-columns:1fr}}

/* ==========================================================
   CTA final + footer
   ========================================================== */
.final{background:
  radial-gradient(900px 500px at 50% 120%,rgba(242,184,37,.35),transparent 60%),
  var(--ink);color:#fff;padding:clamp(80px,12vw,140px) 0;text-align:center}
.final__inner{display:grid;gap:22px;justify-items:center}
.final .h2{max-width:22ch}
.final .lead{max-width:52ch;text-align:center}
.footer{background:#0C1828;color:rgba(255,255,255,.7);padding:40px 0;font-size:.88rem}
.footer__inner{display:grid;gap:14px}
.footer a{color:#fff}
.footer__legal{font-size:.78rem;color:rgba(255,255,255,.45);max-width:80ch}

/* WhatsApp flotante */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#fff;display:grid;place-items:center;
  box-shadow:0 12px 30px -8px rgba(37,211,102,.7);transition:transform .25s;
}
.wa-float:hover{transform:scale(1.08)}
.wa-float::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid #25D366;opacity:0;animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{transform:scale(.8);opacity:.7}100%{transform:scale(1.35);opacity:0}}

/* Reveals */
.js-reveal [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.js-reveal [data-reveal].is-in{opacity:1;transform:none}
.js-reveal .problem__item[data-reveal]:nth-child(2),.js-reveal .step[data-reveal]:nth-child(2){transition-delay:.08s}
.js-reveal .problem__item[data-reveal]:nth-child(3),.js-reveal .step[data-reveal]:nth-child(3){transition-delay:.16s}
.js-reveal .problem__item[data-reveal]:nth-child(4),.js-reveal .step[data-reveal]:nth-child(4){transition-delay:.24s}
.js-reveal .pcard[data-reveal].is-in{transform:none}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reason{opacity:1}
}