/* Fuentes autoalojadas (variables, subset latin): sin peticiones a terceros */
@font-face{font-family:"Archivo";font-style:normal;font-weight:500 800;font-display:swap;src:url(../fonts/archivo.woff2) format("woff2")}
@font-face{font-family:"Hanken Grotesk";font-style:normal;font-weight:400 600;font-display:swap;src:url(../fonts/hanken-grotesk.woff2) format("woff2")}

:root{
  --paper:#E5E4E2; --paper2:#EEEDEB; --paper3:#F6F5F3;
  --ink:#1D1D1B; --ink2:#4A4A47;
  --navy:#12244A; --blue:#2F5A98; --sky:#7E9FDB;
  --line:rgba(29,29,27,.16); --line-d:rgba(229,228,226,.22);
  --display:"Archivo","Helvetica Neue",Helvetica,Arial,sans-serif;
  --body:"Hanken Grotesk","Helvetica Neue",Helvetica,Arial,sans-serif;
  --gut:clamp(16px,4vw,48px);
  --max:1200px;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:clip}
img,video{display:block;max-width:100%;height:auto}
picture{display:contents}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:800;letter-spacing:-.03em;line-height:1;margin:0;text-wrap:balance}
p{margin:0}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px}
.skip{position:absolute;left:var(--gut);top:-100px;z-index:100;padding:12px 18px;background:var(--ink);color:var(--paper);font-family:var(--display);font-weight:700;text-decoration:none}
.skip:focus{top:12px}
.wrap{width:100%;max-width:calc(var(--max) + 2*var(--gut));margin-inline:auto;padding-inline:var(--gut)}
section{padding-block:clamp(56px,9vw,108px)}
h2{font-size:clamp(1.9rem,4.4vw,3.2rem)}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--ink2);max-width:52ch}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:-.005em;padding:16px 26px;border:1.5px solid var(--ink);background:var(--ink);color:var(--paper);text-decoration:none;cursor:pointer;transition:background .2s,color .2s,transform .2s;min-height:52px}
.btn:hover{background:transparent;color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.btn.light{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn.light:hover{background:transparent;color:var(--paper)}
.btn.ghost-l{background:transparent;color:var(--paper);border-color:var(--paper)}
.btn.ghost-l:hover{background:var(--paper);color:var(--ink)}
.btn.sm{padding:11px 18px;min-height:44px;font-size:14px;white-space:nowrap}
.arrow{display:inline-block;transition:transform .2s}
.btn:hover .arrow{transform:translateX(3px)}
.dark{background:var(--navy);color:var(--paper)}
.dark .lead{color:rgba(229,228,226,.78)}
.ink{background:var(--ink);color:var(--paper)}
.ink .lead{color:rgba(229,228,226,.78)}

/* header */
.hdr{position:fixed;inset:0 0 auto 0;z-index:50;padding-top:env(safe-area-inset-top,0px);background:rgba(229,228,226,.88);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.logo img{height:22px;width:auto}
.nav{display:flex;align-items:center;gap:clamp(18px,3vw,40px)}
.nav a.l{text-decoration:none;font-family:var(--display);font-weight:500;font-size:14.5px}
.nav a.l:hover{text-decoration:underline;text-underline-offset:6px}
.burger{display:none;background:none;border:0;width:44px;height:44px;padding:0;cursor:pointer;color:var(--ink)}
.burger span{display:block;width:22px;height:2px;background:currentColor;margin:5px auto;transition:transform .2s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hdr-r{display:flex;align-items:center;gap:8px}
#hdrCta{display:none}
.mnav{display:none}
main{padding-top:calc(64px + env(safe-area-inset-top,0px))}

/* hero */
.hero{padding-block:clamp(28px,5vw,64px) clamp(48px,7vw,88px)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,80px);align-items:center}
.hero h1{font-size:clamp(2.4rem,6vw,4.8rem);line-height:.97;letter-spacing:-.04em}
.hero .sub{margin-top:22px;font-size:clamp(1.05rem,1.7vw,1.25rem);max-width:46ch}
.hero .kick{margin-top:20px;font-family:var(--display);font-weight:700;font-size:clamp(1rem,1.5vw,1.1rem);letter-spacing:-.01em;padding-left:16px;border-left:3px solid var(--blue);max-width:40ch}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.micro{margin-top:18px;font-size:14px;color:var(--ink2);max-width:52ch}
.media{position:relative;aspect-ratio:4/5;background:linear-gradient(180deg,var(--navy),var(--blue));overflow:hidden;width:100%}
.media video,.media img{width:100%;height:100%;object-fit:cover}
.vctl{position:absolute;top:12px;right:12px;width:44px;height:44px;display:grid;place-items:center;border:1.5px solid rgba(255,255,255,.55);border-radius:999px;background:rgba(18,36,74,.35);color:#fff;cursor:pointer;opacity:.75;transition:opacity .2s,background .2s}
.vctl:hover,.vctl:focus-visible{opacity:1;background:rgba(18,36,74,.6)}
.vctl span{width:10px;height:12px;border-inline:3px solid currentColor}
.vctl[aria-pressed="true"] span{width:0;height:0;border:0;border-left:11px solid currentColor;border-block:7px solid transparent;margin-left:3px}
.media .tag{position:absolute;left:14px;right:14px;bottom:12px;display:flex;justify-content:space-between;font-family:var(--display);font-weight:700;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.85)}

/* por qué backbal (problema + solución) */
.why{background:var(--navy);color:var(--paper)}
.why .split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,6vw,88px);align-items:center}
.why .eyebrow{font-family:var(--display);font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--sky)}
.why h2{margin-top:12px}
.why .p1{margin-top:20px;color:rgba(229,228,226,.82);max-width:50ch}
.why .quote{margin-top:24px;font-family:var(--display);font-weight:800;font-size:clamp(1.25rem,2.2vw,1.6rem);line-height:1.15;letter-spacing:-.02em;padding-left:16px;border-left:3px solid var(--sky);max-width:36ch}
.why .p2{margin-top:28px;color:rgba(229,228,226,.82);max-width:50ch}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip{font-family:var(--display);font-weight:700;font-size:14px;padding:11px 20px;border:1.5px solid var(--sky);color:var(--paper);border-radius:999px}
.why .micro{color:rgba(229,228,226,.65);margin-top:20px}
.frame{aspect-ratio:1/1;overflow:hidden;background:var(--blue)}
.frame img{width:100%;height:100%;object-fit:cover}

/* cards */
.audience .head{max-width:760px;margin-bottom:clamp(32px,6vw,56px)}
.audience .head p{margin-top:16px}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2.4vw,28px)}
.card{display:flex;flex-direction:column;background:var(--paper3);border:1px solid var(--line)}
.card.d{background:var(--navy);color:var(--paper);border-color:var(--navy)}
.card .im{aspect-ratio:16/10;overflow:hidden;background:var(--navy)}
.card .im img{width:100%;height:100%;object-fit:cover}
.card .b{display:flex;flex-direction:column;gap:16px;padding:clamp(22px,3vw,36px);flex:1}
.card h3{font-size:clamp(1.4rem,2.2vw,1.85rem)}
.card p{color:var(--ink2)}
.card.d p{color:rgba(229,228,226,.78)}
.card ul{list-style:none;margin:0 0 8px;padding:0;display:grid;gap:0}
.card li{padding:10px 0;border-top:1px solid var(--line);font-size:15px}
.card.d li{border-color:var(--line-d)}
.card .btn{margin-top:auto;align-self:flex-start}

/* beneficios */
.benefits{background:var(--paper2)}
.benefits h2{margin-bottom:clamp(32px,5vw,52px);max-width:20ch}
.bgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,36px)}
.bgrid>div{border-top:1.5px solid var(--ink);padding-top:18px;display:grid;gap:10px;align-content:start}
.bgrid h3{font-size:1.3rem;letter-spacing:-.02em;line-height:1.1}
.bgrid p{color:var(--ink2);font-size:15.5px}

/* cómo usarlo */
.how .top{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,72px);align-items:center;margin-bottom:clamp(32px,5vw,52px)}
.how h2{font-size:clamp(2.1rem,5vw,3.6rem);letter-spacing:-.04em}
.how .im{aspect-ratio:1/1;overflow:hidden;background:var(--navy)}
.how .im img{width:100%;height:100%;object-fit:cover}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,32px)}
.step{border-top:1.5px solid var(--ink);padding-top:18px}
.step h3{font-size:1.4rem;display:flex;align-items:baseline;gap:10px}
.step h3 small{font-size:12px;letter-spacing:.14em;color:var(--blue);font-weight:700}
.step p{margin-top:8px;color:var(--ink2);max-width:34ch}
.how .cta-row{margin-top:clamp(28px,4vw,44px)}

/* diferenciación */
.diff h2{max-width:18ch}
.diff .lead{margin-top:20px}
.diff .rows{margin-top:clamp(28px,4vw,44px);display:grid;gap:0;max-width:64ch}
.diff .row{display:grid;grid-template-columns:11ch 1fr;gap:18px;padding:16px 0;border-top:1px solid var(--line-d)}
.diff .row:last-child{border-bottom:1px solid var(--line-d)}
.diff .row.on{color:var(--sky)}
.diff .rows dd{margin:0}
.diff .row dt{font-family:var(--display);font-weight:700;font-size:15px}
.diff .row dd{color:rgba(229,228,226,.75);font-size:15.5px}
.diff .row.on dd{color:#fff}
.diff .quote{margin-top:clamp(28px,4vw,44px);font-family:var(--display);font-weight:800;font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.1;letter-spacing:-.03em;color:var(--paper);max-width:24ch}

/* tienda */
.shop .split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,88px);align-items:start}
.g-main{aspect-ratio:1/1;overflow:hidden;background:var(--navy)}
.g-slide{margin:0;width:100%;height:100%}
.g-slide img{width:100%;height:100%;object-fit:cover}
.g-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}
.g-thumb{padding:0;border:1.5px solid transparent;background:var(--navy);aspect-ratio:1/1;overflow:hidden;cursor:pointer;opacity:.7;transition:opacity .2s,border-color .2s}
.g-thumb img{width:100%;height:100%;object-fit:cover}
.g-thumb:hover{opacity:1}
.g-thumb[aria-pressed="true"]{opacity:1;border-color:var(--ink)}
.buy .eyebrow{font-family:var(--display);font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.buy h2{margin-top:12px}
.price{margin-top:16px;font-family:var(--display);font-weight:800;font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-.03em}
.buy .lead{margin-top:16px}
.specs{margin:24px 0 0;display:grid;max-width:44ch}
.specs>div{display:grid;grid-template-columns:10ch 1fr;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-size:15px}
.specs>div:last-child{border-bottom:1px solid var(--line)}
.specs dt{font-family:var(--display);font-weight:700}
.specs dd{margin:0;color:var(--ink2)}
.buyrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.qty{display:inline-flex;border:1.5px solid var(--ink);min-height:52px}
.qty-b{width:44px;border:0;background:transparent;font:inherit;font-size:20px;cursor:pointer;color:var(--ink)}
.qty-b:hover{background:var(--paper3)}
.qty input{width:48px;border:0;border-inline:1px solid var(--line);background:transparent;text-align:center;font:inherit;font-family:var(--display);font-weight:700;font-size:16px;color:var(--ink);-moz-appearance:textfield;appearance:textfield}
.qty input::-webkit-inner-spin-button,.qty input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.buyrow .btn{flex:1 1 220px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn:disabled:hover{background:var(--ink);color:var(--paper)}
.shop-status{margin-top:14px;font-size:14px;color:var(--ink2);min-height:1.5em}
.soon{margin-top:20px;padding:22px;border:1.5px solid var(--ink);background:var(--paper3);display:grid;gap:16px;justify-items:start}
.soon p{color:var(--ink2);max-width:46ch}
.soon strong{color:var(--ink)}
.buy .micro{margin-top:22px}
.buy .micro a{text-underline-offset:3px}
.cart-btn{position:relative;display:grid;place-items:center;width:44px;height:44px;border:0;background:none;color:var(--ink);cursor:pointer}
.cart-btn[hidden]{display:none}
/* carrito Shopify con el estilo de la marca */
shopify-cart::part(dialog){border-radius:0;font-family:var(--body)}
shopify-cart::part(primary-button){background:var(--ink);color:var(--paper);border:1.5px solid var(--ink);border-radius:0;font-family:var(--display);font-weight:700}
shopify-cart::part(secondary-button),shopify-cart::part(tertiary-button),shopify-cart::part(discount-code){background:transparent;color:var(--ink);fill:var(--ink);border:1.5px solid var(--ink);border-radius:0}

/* FAQ */
.faq{background:var(--paper2)}
.faq .split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,88px);align-items:start}
details{border-top:1.5px solid var(--ink)}
details:last-child{border-bottom:1.5px solid var(--ink)}
summary{list-style:none;cursor:pointer;padding:20px 0;display:flex;justify-content:space-between;gap:20px;align-items:center;font-family:var(--display);font-weight:700;font-size:clamp(1rem,1.5vw,1.15rem);letter-spacing:-.015em}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:24px;font-weight:500;line-height:1;transition:transform .2s;flex:none}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 0 22px;color:var(--ink2);max-width:56ch}

/* CTA final */
.final{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--navy) 0%,var(--blue) 100%);color:var(--paper)}
.final .mk{position:absolute;right:-6%;top:50%;width:min(58vw,680px);transform:translateY(-50%);opacity:.1;pointer-events:none}
.final .wrap{position:relative}
.final h2{font-size:clamp(2.2rem,5.6vw,4.6rem);letter-spacing:-.045em;max-width:14ch}
.final p{margin-top:22px;max-width:50ch;font-size:clamp(1.05rem,1.6vw,1.2rem);color:rgba(255,255,255,.86)}

/* formulario */
.contact .split{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(28px,5vw,72px);align-items:start}
.contact h2{margin-bottom:16px}
.contact .lead{margin-top:0}
form{display:grid;gap:18px}
fieldset{border:0;margin:0;padding:0;min-width:0}
legend{padding:0;margin-bottom:7px}
::placeholder{color:#6b6b65;opacity:1}
input[aria-invalid="true"],textarea[aria-invalid="true"]{border-color:#9b1c1c;box-shadow:inset 0 0 0 1px #9b1c1c}
.assure{font-size:14px;color:var(--ink2)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.f{display:grid;gap:7px}
label,.lbl{font-family:var(--display);font-weight:700;font-size:12px;letter-spacing:.1em;text-transform:uppercase}
label small{text-transform:none;letter-spacing:0;font-family:var(--body);font-weight:400;color:var(--ink2)}
input[type=text],input[type=email],input[type=tel],textarea{width:100%;font:inherit;font-size:16px;padding:14px;border:1.5px solid var(--ink);background:var(--paper3);color:var(--ink);border-radius:0}
textarea{min-height:110px;resize:vertical}
input:focus,textarea:focus{outline:3px solid var(--sky);outline-offset:1px}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:0;position:relative}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{display:flex;align-items:center;justify-content:center;text-align:center;padding:15px 10px;border:1.5px solid var(--ink);cursor:pointer;letter-spacing:.04em;background:transparent;min-height:52px}
.seg label+input+label{border-left:0}
.seg input:checked+label{background:var(--ink);color:var(--paper)}
.seg input:focus-visible+label{outline:3px solid var(--sky);outline-offset:2px}
.chk{display:flex;gap:12px;align-items:flex-start;font-family:var(--body);font-weight:400;font-size:14px;letter-spacing:0;text-transform:none;color:var(--ink2)}
.chk input{margin-top:3px;width:18px;height:18px;accent-color:var(--ink);flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.ok{padding:32px;border:1.5px solid var(--ink);background:var(--paper3);font-family:var(--display);font-weight:700;font-size:1.25rem;letter-spacing:-.02em;line-height:1.25}
.err{color:#9b1c1c;font-size:14px;min-height:1em}

/* footer */
footer{background:var(--ink);color:var(--paper);padding-block:clamp(44px,6vw,72px) calc(28px + env(safe-area-inset-bottom,0px))}
.fgrid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(28px,6vw,88px);align-items:start}
footer .logo img{height:28px}
footer p{margin-top:18px;max-width:38ch;color:rgba(229,228,226,.7);font-size:15px}
.flinks{display:grid;grid-template-columns:1fr 1fr;gap:10px 32px;font-family:var(--display);font-weight:500;font-size:15px}
.flinks a{text-decoration:none;padding:4px 0}
.flinks a:hover{text-decoration:underline;text-underline-offset:5px}
.copy{margin-top:clamp(36px,5vw,60px);padding-top:18px;border-top:1px solid var(--line-d);font-size:13px;color:rgba(229,228,226,.55)}

/* barra móvil */
.sticky{display:none}

@media (max-width:900px){
  .nav{display:none}
  .burger{display:block}
  .mnav{display:block;position:fixed;left:0;right:0;top:calc(64px + env(safe-area-inset-top,0px));background:var(--paper);border-bottom:1px solid var(--line);padding:8px var(--gut) 20px;transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;z-index:49}
  .mnav.open{opacity:1;transform:none;visibility:visible}
  .mnav a{display:block;padding:16px 0;border-bottom:1px solid var(--line);text-decoration:none;font-family:var(--display);font-weight:700;font-size:1.2rem}
  #hdrCta{display:inline-flex}
  .hero .wrap,.why .split,.contact .split,.fgrid{grid-template-columns:1fr}
  .hero .media{order:-1;aspect-ratio:1/1}
  .why .frame{order:-1;aspect-ratio:16/10}
  .cards{grid-template-columns:1fr}
  .bgrid{grid-template-columns:1fr 1fr}
  .how .top{grid-template-columns:1fr}
  .how .im{order:-1;aspect-ratio:16/10}
  .steps{grid-template-columns:1fr}
  .diff .row{grid-template-columns:12ch 1fr;gap:12px}
  .faq .split{grid-template-columns:1fr}
  .shop .split{grid-template-columns:1fr}
  .sticky{display:block;position:fixed;left:0;right:0;bottom:0;z-index:40;padding:10px var(--gut) calc(10px + env(safe-area-inset-bottom,0px));background:rgba(229,228,226,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line);transition:transform .25s}
  .sticky.hide{transform:translateY(110%)}
  html{scroll-padding-bottom:88px}
  .sticky .btn{width:100%}
  footer{padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}
}
@media (max-width:560px){
  .logo img{height:18px}
  #hdrCta{display:none}
  .bgrid{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .ctas .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}