@font-face{font-family:Outfit;src:url("assets/escala-cero/fonts/outfit-300.ttf") format("truetype");font-display:swap;font-weight:300;font-style:normal}
@font-face{font-family:Outfit;src:url("assets/escala-cero/fonts/outfit-700.ttf") format("truetype");font-display:swap;font-weight:700;font-style:normal}
@font-face{font-family:Outfit;src:url("assets/escala-cero/fonts/outfit-800.ttf") format("truetype");font-display:swap;font-weight:800;font-style:normal}
@font-face{font-family:"DM Sans";src:url("assets/escala-cero/fonts/dm-sans-400.ttf") format("truetype");font-display:swap;font-weight:400;font-style:normal}
@font-face{font-family:"DM Sans";src:url("assets/escala-cero/fonts/dm-sans-700.ttf") format("truetype");font-display:swap;font-weight:700;font-style:normal}
@font-face{font-family:"DM Sans";src:url("assets/escala-cero/fonts/dm-sans-italic.woff2") format("woff2");font-display:swap;font-style:italic}
@font-face{font-family:"IBM Plex Mono";src:url("assets/escala-cero/fonts/ibm-plex-mono-400.ttf") format("truetype");font-display:swap;font-weight:400;font-style:normal}
@font-face{font-family:"IBM Plex Mono";src:url("assets/escala-cero/fonts/ibm-plex-mono-500.ttf") format("truetype");font-display:swap;font-weight:500;font-style:normal}

:root{
  --ink:#1a1a1a;--bone:#f2ede4;--paper:#fbf8f2;--red:#c0392b;--red-dark:#982d23;
  --ash:#8a827a;--teal:#0d5363;--line:rgba(26,26,26,.16);--white:#fff;
  --shell:min(1180px,calc(100% - 96px));--shadow:0 24px 70px rgba(17,24,24,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.62 "DM Sans",sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button,input,summary{font:inherit}
.shell{width:var(--shell);margin-inline:auto}
.section-pad{padding:110px 0}
.section-dark,.section-ink{background:var(--ink);color:var(--white)}
.section-bone{background:var(--bone)}
.section-red{background:var(--red);color:var(--white)}
.skip-link{position:fixed;z-index:1000;left:16px;top:12px;padding:10px 14px;background:#fff;color:#000;transform:translateY(-150%)}
.skip-link:focus{transform:none}
:focus-visible{outline:3px solid #e2a343;outline-offset:4px}

.site-header{position:sticky;top:0;z-index:50;background:rgba(242,237,228,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.header-inner{height:78px;display:flex;align-items:center;gap:32px}
.brand{margin-right:auto}.brand img{width:168px}
.main-nav{display:flex;gap:28px}.main-nav a{font-family:"IBM Plex Mono",monospace;font-size:.7rem;font-weight:500;letter-spacing:.1em;text-decoration:none;text-transform:uppercase}
.main-nav a:hover{color:var(--red)}
.button{display:inline-flex;min-height:54px;align-items:center;justify-content:center;padding:14px 25px;border:1px solid transparent;border-radius:2px;background:var(--ink);color:#fff;font-family:Outfit,sans-serif;font-weight:700;letter-spacing:.01em;text-decoration:none;cursor:pointer;transition:transform .2s ease,background .2s ease,color .2s ease}
.button:hover{transform:translateY(-2px)}
.button-small{min-height:42px;padding:9px 18px;font-size:.88rem}
.button-primary{background:var(--red)}.button-primary:hover{background:#d34838}
.button-light{background:#fff;color:var(--red-dark)}
.button-outline{border-color:rgba(255,255,255,.38);background:transparent}

.eyebrow{margin:0 0 18px;color:var(--red);font:500 .74rem/1.2 "IBM Plex Mono",monospace;letter-spacing:.15em;text-transform:uppercase}
.eyebrow.light{color:#fff}
h1,h2,h3{margin:0;font-family:Outfit,sans-serif;font-weight:700;line-height:1.02;letter-spacing:-.01em}
h1{font-size:clamp(3.4rem,7vw,6.8rem);max-width:780px}
h2{font-size:clamp(2.3rem,4.8vw,4.6rem)}
h3{font-size:1.45rem;line-height:1.08}
.section-heading{max-width:770px;margin-bottom:58px}.section-heading>p:last-child{max-width:670px;font-size:1.12rem}

.hero{position:relative;overflow:hidden}.hero-grid{position:relative;display:grid;width:100%;max-width:none;min-height:calc(100vh - 78px);align-items:center;overflow:hidden}
.hero-copy{position:relative;z-index:2;width:min(720px,calc(100% - 96px));margin-left:max(48px,calc((100vw - 1180px)/2));padding:90px 56px 90px 0}
.hero-deck{max-width:680px;margin:30px 0 34px;color:#d9d6d0;font-size:1.22rem;line-height:1.55}
.hero-offer{display:flex;align-items:baseline;gap:18px;margin-bottom:22px}.hero-offer span{font:400 .7rem "IBM Plex Mono",monospace;letter-spacing:.12em;text-transform:uppercase}.hero-offer strong{font:700 2.15rem Outfit,sans-serif;color:#fff;letter-spacing:-.01em}
.trust-line{margin:17px 0 0;color:#bbb4ac;font-size:.8rem;letter-spacing:.04em}
.hero-visual{position:absolute;z-index:0;inset:0;margin:0;background:#2b2a28;overflow:hidden}
.hero-visual img{width:100%;height:100%;object-fit:cover;object-position:50% 53%;filter:saturate(.9) contrast(1.03)}
.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,18,18,.96) 0%,rgba(18,18,18,.9) 27%,rgba(18,18,18,.46) 48%,rgba(18,18,18,.08) 70%),linear-gradient(180deg,transparent 68%,rgba(0,0,0,.62))}
.hero-visual figcaption{position:absolute;z-index:1;left:32px;right:32px;bottom:28px;display:flex;justify-content:space-between;color:#fff;font:600 .68rem "IBM Plex Mono",monospace;letter-spacing:.13em;text-transform:uppercase}

.recognition-grid{display:grid;grid-template-columns:1fr .82fr;gap:100px;align-items:start}.recognition h2{max-width:700px}
.recognition-copy>p{font-size:1.08rem;margin:0 0 20px}.recognition blockquote{margin:42px 0 0;padding:25px 28px;border-left:4px solid var(--red);background:var(--bone);font:1.45rem/1.3 Outfit,sans-serif}

.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}
.book-stage{position:relative;min-height:650px;perspective:1200px}.book{position:absolute;margin:0;overflow:hidden;border:8px solid #fff;background:#fff;box-shadow:var(--shadow)}.book img{width:100%;height:100%;object-fit:cover}
.book-main{z-index:2;left:7%;top:0;width:54%;transform:rotate(-3deg)}.book-back{right:3%;bottom:0;width:48%;transform:rotate(6deg)}
.product-copy>p:not(.eyebrow){font-size:1.12rem;max-width:570px}
.product-facts{display:grid;grid-template-columns:repeat(2,1fr);margin:45px 0 0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.product-facts div{padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.product-facts dt{font:700 3rem Outfit,sans-serif;color:var(--teal)}.product-facts dd{margin:0;color:#59544f;font:400 .72rem "IBM Plex Mono",monospace;letter-spacing:.12em;text-transform:uppercase}

.assembly-line{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:60px}.assembly-rail{position:absolute;z-index:0;left:4%;right:4%;top:33px;height:3px;background:linear-gradient(90deg,var(--teal),var(--red))}
.assembly-step{position:relative;z-index:1;display:grid;grid-template-columns:58px 1fr;gap:17px;padding:0 18px 28px 0;background:var(--paper)}
.step-no{display:grid;width:58px;height:58px;place-items:center;border:2px solid var(--teal);border-radius:50%;background:var(--paper);color:var(--teal);font:600 .8rem "IBM Plex Mono",monospace}
.assembly-step:nth-of-type(n+5) .step-no{border-color:var(--red);color:var(--red)}
.assembly-step p{margin:9px 0 0;color:#615b55;font-size:.93rem}
.method-visual{display:grid;grid-template-columns:minmax(280px,420px) 1fr;gap:46px;align-items:center;margin:10px 0 0;padding:38px;background:var(--bone)}
.method-visual img{box-shadow:0 15px 38px rgba(0,0,0,.14)}.method-visual figcaption{max-width:440px;font:1.45rem/1.35 Outfit,sans-serif}

.light-heading h2{color:#fff}.light-heading>p:last-child{color:#c9c4be}
.preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.preview-grid figure{margin:0}.preview-grid img{width:100%;border:1px solid rgba(255,255,255,.18);box-shadow:0 15px 35px rgba(0,0,0,.32)}.preview-grid figcaption{padding:13px 0;color:#ddd5ce;font:.68rem "IBM Plex Mono",monospace;letter-spacing:.13em;text-transform:uppercase}

.split-heading{display:grid;grid-template-columns:1.2fr .7fr;max-width:none;gap:90px;align-items:end}.split-heading>p{margin:0}
.bonus-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}.bonus-card{grid-column:span 2;display:grid;grid-template-columns:42% 1fr;min-height:290px;border-top:4px solid var(--teal);background:#fff;box-shadow:0 12px 34px rgba(40,34,28,.08)}.bonus-card.featured{grid-column:span 3}.bonus-card:nth-child(2){grid-column:span 3}.bonus-card img{width:100%;height:100%;padding:12px;background:#e9e3d9;object-fit:contain;object-position:center}.bonus-card>div{padding:25px 22px}.bonus-card span{color:var(--red);font:500 .7rem "IBM Plex Mono",monospace}.bonus-card p{color:#615b55;font-size:.91rem;line-height:1.45}.bonus-card b{color:var(--teal);font-size:.72rem;text-transform:uppercase}

.for-you-grid{display:grid;grid-template-columns:.9fr 1fr;gap:90px;align-items:center}.check-list{list-style:none;margin:38px 0 28px;padding:0}.check-list li{position:relative;padding:15px 0 15px 38px;border-bottom:1px solid var(--line)}.check-list li:before{content:"✓";position:absolute;left:4px;color:var(--red);font-weight:800}.not-for{padding:20px;border-left:3px solid var(--ash);background:var(--bone);font-size:.92rem}
.final-visual{margin:0;background:var(--ink);box-shadow:var(--shadow)}.final-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}.final-visual figcaption{padding:18px 24px;color:#fff;font:400 .72rem "IBM Plex Mono",monospace;letter-spacing:.09em;text-transform:uppercase}

.offer-grid{display:grid;grid-template-columns:.75fr 1fr;gap:100px;align-items:center}.offer-art{position:relative;text-align:center}.offer-art>img{width:62%;margin:auto;transform:rotate(-4deg);border:7px solid #fff;box-shadow:0 24px 60px rgba(74,15,10,.34)}
.bonus-stack{position:absolute;right:1%;bottom:9%;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:12px;width:178px;min-height:84px;padding:13px 16px;border-top:4px solid var(--ink);background:var(--bone);color:var(--ink);box-shadow:0 12px 28px rgba(74,15,10,.28)}
.bonus-stack:before{content:"";position:absolute;left:0;top:-4px;width:42px;height:4px;background:var(--red)}
.bonus-stack span{font:700 2.8rem/1 Outfit,sans-serif;letter-spacing:-.02em}
.bonus-stack small{padding-left:12px;border-left:1px solid rgba(26,26,26,.25);font:500 .62rem/1.25 "IBM Plex Mono",monospace;letter-spacing:.09em;text-align:left;text-transform:uppercase}
.offer-copy h2{font-size:clamp(3rem,6vw,6rem)}.offer-copy ul{display:grid;gap:10px;margin:30px 0;padding:0;list-style:none}.offer-copy li:before{content:"—";margin-right:10px}.price{display:flex;flex-direction:column;margin:32px 0 23px}.price span{font:500 .7rem "IBM Plex Mono",monospace;letter-spacing:.14em;text-transform:uppercase}.price strong{font:700 clamp(3.2rem,7vw,6.5rem)/1 Outfit,sans-serif;letter-spacing:-.01em}.price small{margin-top:8px;color:#fff}.offer-trust{font-size:.76rem;text-transform:uppercase;letter-spacing:.05em}.checkout-status{min-height:1.6em;margin-bottom:0;color:#fff;font-weight:700}

.faq-grid{display:grid;grid-template-columns:.45fr 1fr;gap:100px}.faq-intro{position:sticky;top:120px;align-self:start}.faq-intro p:last-child{color:#6d665f}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{position:relative;padding:23px 50px 23px 0;cursor:pointer;font:1.18rem Outfit,sans-serif;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:10px;color:var(--red);font-size:1.6rem}.faq-list details[open] summary:after{content:"−"}.faq-list details p{margin:0;padding:0 50px 25px 0;color:#5c5650;max-width:780px}

.publisher-grid{display:grid;grid-template-columns:.45fr 1fr;gap:110px;align-items:center}.publisher-grid img{max-width:230px}.publisher-grid h2{font-size:clamp(2.2rem,4vw,4rem)}.publisher-grid p:last-child{max-width:700px}
.site-footer{padding:28px 0;background:var(--ink);color:#cfc8c0;font-size:.78rem}.footer-inner,.footer-inner div{display:flex;align-items:center;gap:18px}.footer-inner{justify-content:space-between}.footer-inner a,.footer-inner button{border:0;background:none;color:inherit;text-decoration:none;cursor:pointer}.footer-inner a:hover,.footer-inner button:hover{color:#fff}

.cookie-panel{position:fixed;z-index:100;left:24px;right:24px;bottom:22px;display:flex;align-items:center;justify-content:space-between;gap:30px;max-width:1000px;margin:auto;padding:22px 24px;border:1px solid rgba(255,255,255,.2);background:#232323;color:#fff;box-shadow:0 16px 50px rgba(0,0,0,.35)}.cookie-panel[hidden]{display:none}.cookie-panel strong{font:1.1rem Outfit,sans-serif}.cookie-panel p{margin:4px 0 0;color:#c9c5bf;font-size:.86rem}.cookie-actions{display:flex;gap:10px;flex:none}

@media (prefers-reduced-motion:no-preference){
  .hero-copy{animation:hero-copy-in .7s cubic-bezier(.2,.7,.2,1) both}
  .hero-visual img{animation:hero-image-in 1.1s cubic-bezier(.2,.7,.2,1) both}
}
@keyframes hero-copy-in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes hero-image-in{from{opacity:.72;transform:scale(1.025)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}
@media (max-width:980px){
  .section-pad{padding:82px 0}.main-nav{display:none}.hero-grid{min-height:760px}.hero-copy{width:min(680px,calc(100% - 48px));margin-left:24px;padding:75px 24px 60px 0}.hero-visual{border:0;border-top:5px solid var(--red)}
  .recognition-grid,.product-grid,.for-you-grid,.offer-grid,.faq-grid,.publisher-grid{grid-template-columns:1fr;gap:58px}.book-stage{min-height:610px}.assembly-line{grid-template-columns:repeat(2,1fr)}.assembly-rail{display:none}.assembly-step{background:transparent}.preview-grid{grid-template-columns:repeat(2,1fr)}
  .bonus-card,.bonus-card.featured,.bonus-card:nth-child(2){grid-column:span 3}.faq-intro{position:static}.publisher-grid{grid-template-columns:1fr}.split-heading{grid-template-columns:1fr;gap:20px}.offer-art>img{width:48%}
}
@media (max-width:640px){
  :root{--shell:min(100% - 48px,1180px)}body{font-size:16px}.header-inner{height:68px}.brand img{width:145px}.site-header .button{font-size:0;padding:9px 14px}.site-header .button:after{content:"Comprar";font-size:.8rem}
  h1{font-size:clamp(3rem,15vw,4.5rem)}h2{font-size:clamp(2.2rem,11vw,3.4rem)}.hero-grid{min-height:760px}.hero-copy{width:calc(100% - 48px);margin:0 24px;padding:58px 0 42px}.hero-visual img{object-position:62% center}.hero-visual:after{background:linear-gradient(180deg,rgba(18,18,18,.92) 0%,rgba(18,18,18,.78) 55%,rgba(18,18,18,.36) 100%)}.hero-deck{font-size:1.05rem}.hero-offer{align-items:flex-start;flex-direction:column;gap:4px}.hero-visual figcaption{left:24px;right:24px;bottom:14px}
  .section-pad{padding:68px 0}.recognition-grid{gap:38px}.product-grid{gap:20px}.book-stage{min-height:470px}.book-main{left:2%;width:61%}.book-back{right:1%;width:50%}.product-facts div{padding:18px}.product-facts dt{font-size:2.35rem}
  .assembly-line{grid-template-columns:1fr}.assembly-step{grid-template-columns:52px 1fr}.step-no{width:52px;height:52px}.method-visual{grid-template-columns:1fr;padding:22px;gap:24px}.method-visual figcaption{font-size:1.15rem}
  .preview-grid{grid-template-columns:1fr 1fr;gap:13px}.bonus-grid{display:block}.bonus-card,.bonus-card.featured,.bonus-card:nth-child(2){margin-bottom:16px;min-height:240px}.bonus-card>div{padding:19px 16px}
  .for-you-grid,.offer-grid,.faq-grid{gap:42px}.offer-art>img{width:70%}.bonus-stack{right:3%;bottom:7%;width:158px;min-height:72px;padding:10px 13px;gap:9px}.bonus-stack span{font-size:2.25rem}.bonus-stack small{font-size:.56rem;padding-left:9px}.price strong{font-size:3.4rem}.publisher-grid{gap:35px}
  .footer-inner,.footer-inner div{align-items:flex-start;flex-direction:column}.cookie-panel{left:10px;right:10px;bottom:10px;display:block}.cookie-actions{margin-top:16px;display:grid;grid-template-columns:1fr}.cookie-actions .button{width:100%}
}