:root{--navy:#050716;--navy-2:#0a0d22;--navy-3:#11152d;--coral:#fe5e37;--coral-soft:#ff7858;--paper:#f2f3f3;--white:#f7f8f8;--ink:#101226;--muted:#a7aab7;--line-dark:rgba(255,255,255,.12);--line-light:rgba(5,7,22,.14);--display:"Archivo",Arial,sans-serif;--body:"Inter",Arial,sans-serif;--page:min(1180px,calc(100% - 48px))}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden;background:var(--navy);color:var(--white);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}:focus-visible{outline:3px solid var(--coral);outline-offset:4px}.container{width:var(--page);margin-inline:auto}.eyebrow{margin:0 0 22px;color:var(--coral);font-family:var(--display);font-size:.78rem;font-weight:700;letter-spacing:.16em;line-height:1.2;text-transform:uppercase}.display{margin:0;font-family:var(--display);font-weight:700;letter-spacing:-.055em;line-height:.98;text-wrap:balance}.lead{margin:0;font-size:clamp(1.05rem,1.55vw,1.25rem);line-height:1.65}.btn{min-height:54px;display:inline-flex;align-items:center;justify-content:center;gap:14px;padding:0 24px;border:1px solid transparent;border-radius:999px;font-family:var(--display);font-size:.94rem;font-weight:700;transition:transform .2s ease,background .2s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--coral);color:var(--navy)}.btn-primary:hover{background:var(--coral-soft)}.arrow{font-size:1.2em;line-height:1}.skip-link{position:fixed;z-index:100;top:8px;left:8px;padding:10px 14px;background:var(--coral);color:var(--navy);transform:translateY(-160%)}.skip-link:focus{transform:none}
.site-header{position:fixed;z-index:30;inset:0 0 auto;border-bottom:1px solid rgba(255,255,255,.08);background:rgba(5,7,22,.9);backdrop-filter:blur(16px)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:32px}.logo{width:142px;flex:0 0 auto}.nav-links{display:flex;align-items:center;gap:clamp(18px,2vw,30px);margin-left:auto;white-space:nowrap}.nav-links a{color:#c7c9d1;font-size:.92rem;transition:color .2s ease}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--white)}.nav-links a[aria-current=page]{box-shadow:inset 0 -2px var(--coral)}.menu-button{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line-dark);border-radius:50%;background:transparent;color:var(--white);cursor:pointer}.menu-button span,.menu-button span:before,.menu-button span:after{width:18px;height:2px;display:block;background:currentColor;transition:transform .2s ease}.menu-button span{position:relative}.menu-button span:before,.menu-button span:after{content:"";position:absolute;left:0}.menu-button span:before{top:-6px}.menu-button span:after{top:6px}
.guide-hero{position:relative;overflow:hidden;padding:162px 0 90px;border-bottom:1px solid var(--line-dark);background:radial-gradient(circle at 82% 24%,rgba(254,94,55,.15),transparent 28%),linear-gradient(145deg,#050716 0%,#080a1b 72%,#0c0f26 100%)}.guide-hero:before{content:"GUIAS";position:absolute;top:62px;right:-1vw;color:transparent;font-family:var(--display);font-size:clamp(9rem,24vw,22rem);font-weight:800;letter-spacing:-.1em;line-height:1;-webkit-text-stroke:1px rgba(255,255,255,.055);pointer-events:none}.guide-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(360px,.68fr);gap:72px;align-items:end}.guide-title{max-width:820px;font-size:clamp(3.5rem,6.55vw,6.65rem)}.guide-title>span{display:block}.guide-title .accent{color:var(--coral)}.guide-intro{position:relative;max-width:550px;padding:34px 36px 22px;overflow:hidden;border:1px solid var(--line-dark);border-radius:26px;background:radial-gradient(circle at 100% 0,rgba(254,94,55,.13),transparent 36%),rgba(8,10,29,.76)}.guide-intro:before{content:"";position:absolute;inset:0 0 auto;height:2px;background:linear-gradient(90deg,var(--coral),rgba(254,94,55,0))}.guide-intro-label{margin:0 0 18px;color:var(--coral);font-family:var(--display);font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.guide-intro .lead{color:#c0c2ca}.guide-path{display:grid;margin:28px 0 0;padding:0;border-top:1px solid var(--line-dark);list-style:none}.guide-path li{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line-dark);color:#d6d7dd;font-size:.84rem}.guide-path li:last-child{border-bottom:0}.guide-path span{color:var(--coral);font-family:var(--display);font-size:.68rem;font-weight:800;letter-spacing:.08em}
.library{padding:112px 0;background:var(--paper);color:var(--ink)}.section-head{max-width:1020px;margin-bottom:62px}.section-head .display{max-width:920px;font-size:clamp(2.7rem,5vw,5.1rem)}.section-head .lead{max-width:760px;margin-top:30px;color:#656874}.guide-list{border-top:7px solid var(--ink)}.guide-card{display:grid;grid-template-columns:70px minmax(190px,.65fr) minmax(0,1.35fr) 42px;gap:28px;align-items:center;padding:36px 0;border-bottom:1px solid var(--line-light);transition:padding .22s ease,background .22s ease}.guide-card:hover{padding-inline:18px;background:rgba(5,7,22,.035)}.guide-index{color:var(--coral);font-family:var(--display);font-size:.78rem;font-weight:800;letter-spacing:.12em}.guide-card h2{margin:0;font-family:var(--display);font-size:clamp(1.7rem,3vw,2.55rem);letter-spacing:-.045em;line-height:1.05}.guide-card p{margin:0;color:#666975;line-height:1.65}.guide-card .arrow{color:var(--coral);text-align:right;transition:transform .2s ease}.guide-card:hover .arrow{transform:translateX(6px)}
.featured{padding:112px 0;background:var(--navy);color:var(--white)}.feature-panel{display:grid;grid-template-columns:.72fr 1.28fr;overflow:hidden;border:1px solid var(--line-dark);border-radius:28px;background:radial-gradient(circle at 95% 15%,rgba(254,94,55,.14),transparent 27%),var(--navy-2)}.feature-label{display:flex;flex-direction:column;justify-content:space-between;min-height:480px;padding:46px;border-right:1px solid var(--line-dark)}.feature-kicker{color:var(--coral);font-family:var(--display);font-size:.76rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.feature-label strong{display:flex;align-items:baseline;gap:.14em;white-space:nowrap;font-family:var(--display);font-size:clamp(2.9rem,4.3vw,4.6rem);letter-spacing:-.07em;line-height:.92}.feature-label strong span{color:var(--coral)}.feature-copy{display:flex;flex-direction:column;justify-content:center;padding:64px}.feature-copy h2{margin:0;font-family:var(--display);font-size:clamp(2.4rem,4.2vw,4.35rem);letter-spacing:-.055em;line-height:.98}.feature-copy p{max-width:650px;margin:30px 0 0;color:#a7aab7;font-size:1.06rem}.feature-link{display:inline-flex;align-items:center;gap:12px;margin-top:38px;color:var(--coral);font-family:var(--display);font-weight:700}
.proof{padding:112px 0;background:var(--paper);color:var(--ink)}.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:58px;border-top:1px solid var(--line-light);border-bottom:1px solid var(--line-light)}.proof-card{min-height:260px;padding:32px 26px;border-right:1px solid var(--line-light)}.proof-card:last-child{border-right:0}.proof-card span{color:var(--coral);font-family:var(--display);font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.proof-card strong{display:block;margin-top:54px;font-family:var(--display);font-size:clamp(2.1rem,3.8vw,4rem);letter-spacing:-.06em;line-height:.94}.proof-card p{margin:14px 0 0;color:#666975;font-size:.88rem}
.article-hero{padding-bottom:84px}.article-hero-grid{align-items:center}.article-title{max-width:900px;font-size:clamp(3.2rem,6.2vw,6.3rem)}.article-intro{padding:28px;border:1px solid var(--line-dark);border-radius:24px;background:rgba(9,11,31,.72)}.article-intro .lead{color:#c0c2ca}.breadcrumb{display:flex;gap:10px;margin:0 0 26px;color:#7f8290;font-size:.78rem}.breadcrumb a:hover{color:var(--white)}
.article{padding:108px 0;background:var(--paper);color:var(--ink)}.article-layout{display:grid;grid-template-columns:minmax(240px,.32fr) minmax(0,.68fr);gap:90px;align-items:start}.article-aside{position:sticky;top:110px}.article-aside h2{margin:0;font-family:var(--display);font-size:1.1rem}.article-aside ol{display:grid;gap:12px;margin:24px 0 0;padding:0;list-style:none;counter-reset:toc}.article-aside li{counter-increment:toc}.article-aside a{display:grid;grid-template-columns:26px 1fr;gap:8px;color:#6a6d79;font-size:.86rem;line-height:1.4}.article-aside a:before{content:"0" counter(toc);color:var(--coral);font-family:var(--display);font-size:.68rem;font-weight:800}.article-aside a:hover{color:var(--ink)}.article-body{max-width:780px}.article-body>section+section{margin-top:84px;padding-top:84px;border-top:1px solid var(--line-light)}.article-body h2{margin:0;font-family:var(--display);font-size:clamp(2.25rem,4.1vw,4.2rem);letter-spacing:-.055em;line-height:1}.article-body h3{margin:38px 0 0;font-family:var(--display);font-size:clamp(1.35rem,2.2vw,1.8rem);letter-spacing:-.03em;line-height:1.2}.article-body p{margin:22px 0 0;color:#575a66;font-size:1.03rem;line-height:1.8}.article-body strong{color:var(--ink)}.article-body ul{display:grid;gap:12px;margin:24px 0 0;padding:0;list-style:none}.article-body li{position:relative;padding-left:22px;color:#575a66}.article-body li:before{content:"";position:absolute;top:.72em;left:0;width:7px;height:7px;border-radius:50%;background:var(--coral)}.callout{margin-top:32px;padding:28px 30px;border-radius:20px;background:var(--ink);color:var(--white)}.callout p{margin:0;color:#d1d2d8;font-family:var(--display);font-size:clamp(1.1rem,2vw,1.45rem);font-weight:600;line-height:1.45}.formula{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center;margin-top:32px;padding:30px;border:1px solid var(--line-light);border-radius:20px}.formula div{padding:20px;background:#e7e8e8}.formula small{display:block;color:#777a84;font-size:.68rem;text-transform:uppercase}.formula strong{display:block;margin-top:6px;font-family:var(--display);font-size:1.15rem}.formula>b{color:var(--coral);font-size:1.4rem}.steps{display:grid;margin-top:32px;border-top:4px solid var(--ink)}.step{display:grid;grid-template-columns:54px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line-light)}.step>span{color:var(--coral);font-family:var(--display);font-size:.74rem;font-weight:800}.step h3{margin:0}.step p{margin:10px 0 0}.case-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}.case-note{min-height:210px;padding:26px;border:1px solid var(--line-light);border-radius:20px}.case-note span{color:var(--coral);font-family:var(--display);font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.case-note strong{display:block;margin-top:36px;font-family:var(--display);font-size:1.4rem;line-height:1.1}.case-note p{margin:12px 0 0;font-size:.82rem;line-height:1.55}.faq{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}.faq article{padding:26px;border:1px solid var(--line-light);border-radius:20px}.faq h3{margin:0;font-size:1.12rem}.faq p{margin:14px 0 0;font-size:.9rem;line-height:1.65}
.related{padding:108px 0;background:var(--navy-2)}.related-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:44px}.related-head .display{max-width:760px;font-size:clamp(2.5rem,4.8vw,4.8rem)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.related-card{min-height:300px;display:flex;flex-direction:column;padding:30px;border:1px solid var(--line-dark);border-radius:22px;background:#080a1d;transition:border-color .2s ease,transform .2s ease}.related-card:hover{transform:translateY(-4px);border-color:rgba(254,94,55,.7)}.related-card span{color:var(--coral);font-family:var(--display);font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.related-card h3{margin:48px 0 0;font-family:var(--display);font-size:1.55rem;letter-spacing:-.03em;line-height:1.15}.related-card p{margin:16px 0 0;color:#8f92a0;font-size:.88rem}.related-card b{margin:auto 0 0;padding-top:30px;color:var(--coral);font-family:var(--display)}
.closing{padding:110px 0;background:var(--coral);color:var(--navy)}.closing-inner{display:grid;grid-template-columns:1fr auto;gap:56px;align-items:end}.closing .eyebrow{color:var(--navy)}.closing .display{max-width:870px;font-size:clamp(2.8rem,5.4vw,5.5rem)}.closing .lead{max-width:720px;margin-top:24px;color:rgba(5,7,22,.76)}.closing .btn-primary{background:var(--navy);color:var(--white)}
.footer{padding:72px 0 26px;background:var(--navy);color:#a7aab7}.footer-top{display:grid;grid-template-columns:1fr auto;gap:60px;padding-bottom:48px;border-bottom:1px solid var(--line-dark)}.footer-brand img{width:138px}.footer-brand>p{max-width:360px;margin:20px 0 0}.footer-company{display:grid;gap:2px;margin-top:20px;font-style:normal;font-size:.76rem;line-height:1.55}.footer-company strong{color:#d8d9df}.footer-company a{margin-top:5px;color:var(--coral)}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(100px,1fr));gap:12px 32px;align-content:start}.footer-links a:hover{color:var(--white)}.footer-bottom{display:flex;justify-content:space-between;gap:24px;padding-top:24px;font-size:.75rem}
@media(max-width:980px){.guide-hero-grid,.feature-panel,.article-layout{grid-template-columns:1fr}.guide-intro{max-width:720px}.feature-label{min-height:230px;border-right:0;border-bottom:1px solid var(--line-dark)}.proof-grid{grid-template-columns:1fr 1fr}.proof-card:nth-child(2){border-right:0}.proof-card:nth-child(-n+2){border-bottom:1px solid var(--line-light)}.article-aside{position:static}.article-aside ol{grid-template-columns:1fr 1fr}.closing-inner{grid-template-columns:1fr}.case-strip,.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){:root{--page:min(100% - 32px,1180px)}.site-header{position:absolute}.nav{min-height:92px}.logo{width:150px}.menu-button{display:flex}.nav-links{position:fixed;z-index:31;inset:0;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:20px;padding:86px 28px 40px;background:rgba(5,7,22,.98);opacity:0;pointer-events:none;transform:translateY(-12px);transition:opacity .2s ease,transform .2s ease}.nav-links.open{opacity:1;pointer-events:auto;transform:none}.nav-links a{font-family:var(--display);font-size:1.55rem;font-weight:700}.menu-button{position:relative;z-index:32}.guide-hero{padding:138px 0 68px}.guide-hero:before{top:90px;right:-10vw}.guide-hero-grid{gap:40px}.guide-title,.article-title{font-size:clamp(3rem,14vw,4.8rem)}.guide-intro{padding:28px 26px 16px;border-radius:22px}.library,.featured,.proof,.article,.related,.closing{padding:82px 0}.section-head{margin-bottom:44px}.section-head .lead{margin-top:24px}.guide-card{grid-template-columns:42px 1fr 30px;gap:16px;padding:28px 0}.guide-card p{grid-column:2/4}.feature-label{min-height:190px;padding:30px}.feature-label strong{font-size:clamp(2.6rem,12vw,3.8rem)}.feature-copy{padding:36px 30px 42px}.proof-grid{grid-template-columns:1fr}.proof-card{min-height:210px;border-right:0;border-bottom:1px solid var(--line-light)}.proof-card:last-child{border-bottom:0}.article-intro{padding:22px}.article-aside ol{grid-template-columns:1fr}.article-body>section+section{margin-top:64px;padding-top:64px}.formula{grid-template-columns:1fr}.formula>b{text-align:center}.case-strip,.faq,.related-grid{grid-template-columns:1fr}.related-head{align-items:start;flex-direction:column}.closing .btn{width:100%}.footer-top{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.mobile-hidden{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
@media(max-width:760px){
  body.menu-open:before{content:"";position:fixed;z-index:29;inset:0;background:var(--navy)}
  .site-header{background:var(--navy);-webkit-backdrop-filter:none;backdrop-filter:none}
  .nav-links{min-height:100vh;height:100dvh;overflow-y:auto;background:var(--navy);overscroll-behavior:contain}
}