:root{
  --charcoal:#151719;
  --charcoal-2:#1d1f21;
  --ink:#24211e;
  --ivory:#F2EFE8;
  --paper:#F1ECE3;
  --paper-2:#E8E0D4;
  --muted:#B8B2A8;
  --muted-dark:#6e685f;
  --teal:#4FA3AB;
  --orange:#FF7D00;
  --blue:#0683C2;
  --gold:#A98045;
  --line:rgba(242,239,232,.16);
  --serif:"Bodoni 72",Didot,"Times New Roman",serif;
  --sans:"Avenir Next",Avenir,"Helvetica Neue",Arial,sans-serif;
  --max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:min(var(--max),calc(100% - 56px));margin:0 auto}
.eyebrow{font-size:11px;letter-spacing:.28em;text-transform:uppercase;font-weight:600;opacity:.72;margin:0 0 22px}
.link{display:inline-flex;align-items:center;gap:16px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;border-bottom:1px solid currentColor;padding-bottom:10px}
.arrow{font-size:20px;font-family:Georgia,serif}
.serif{font-family:var(--serif)}
.rule{height:1px;background:rgba(36,33,30,.18);width:100%}
.rule-light{height:1px;background:rgba(242,239,232,.18);width:100%}

/* header */
.site-header{position:absolute;inset:0 0 auto;z-index:40;height:92px;color:var(--ivory)}
.site-header.dark{position:relative;background:var(--charcoal)}
.header-inner{width:min(1390px,calc(100% - 56px));height:92px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:36px}
.micro-mark{width:46px;height:auto;opacity:.62}
.nav{display:flex;align-items:center;gap:34px;font-size:11px;letter-spacing:.16em;text-transform:uppercase}
.nav a{opacity:.84}.nav a:hover{opacity:1}
.mobile-toggle{display:none;font-size:22px}

/* home hero */
.hero{position:relative;min-height:860px;color:var(--ivory);overflow:hidden;
  background:
  linear-gradient(90deg,rgba(21,23,25,1) 0%,rgba(21,23,25,.98) 28%,rgba(21,23,25,.76) 48%,rgba(21,23,25,.22) 70%,rgba(21,23,25,.04) 100%),
  url("hero-architecture.jpg") center right/cover no-repeat,var(--charcoal)}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:220px;background:linear-gradient(to top,rgba(21,23,25,.78),transparent)}
.hero-inner{position:relative;z-index:2;min-height:860px;display:flex;flex-direction:column;justify-content:center;padding:130px 0}
.hero-copy{max-width:690px}
.hero h1{margin:0;font-family:var(--serif);font-weight:400;font-size:clamp(64px,8.2vw,126px);line-height:.84;letter-spacing:-.045em;text-transform:uppercase}
.hero h1 .risk{color:#A27A43}
.hero-sub{font-family:var(--serif);font-size:clamp(24px,2.4vw,38px);margin:30px 0 44px}
.hero .link{border-color:rgba(242,239,232,.54)}
.hero-domains{position:absolute;z-index:3;left:0;right:0;bottom:34px;width:min(var(--max),calc(100% - 56px));margin:0 auto;display:flex;gap:20px;flex-wrap:wrap;font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:rgba(242,239,232,.76)}
.hero-domains span:not(:last-child)::after{content:"·";margin-left:20px;color:#A98045}

/* homepage sections */
.observation{padding:110px 0;background:var(--paper)}
.obs-grid{display:grid;grid-template-columns:.86fr 1.14fr;align-items:start;gap:72px}
.obs-copy h2,.areas-intro h2,.guides-copy h2,.conversation h2,.page-title,.section-title{
  font-family:var(--serif);font-weight:400;text-transform:uppercase;line-height:.95;letter-spacing:-.035em;margin:0
}
.obs-copy h2{font-size:clamp(50px,5.5vw,82px)}
.obs-copy p{color:var(--muted-dark);font-size:18px;line-height:1.65;margin:28px 0 36px}
.obs-image{position:relative;min-height:420px;overflow:hidden;background:#d8d0c4}
.obs-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 42%}

.areas{background:var(--charcoal);color:var(--ivory);padding:105px 0 92px}
.areas-top{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:start;margin-bottom:52px}
.areas-intro h2{font-size:clamp(50px,5.6vw,82px);max-width:700px}
.areas-lead{font-size:17px;line-height:1.7;color:rgba(242,239,232,.68);max-width:470px;padding-top:13px}
.area-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.area-card{border:1px solid rgba(242,239,232,.18);min-height:475px;display:flex;flex-direction:column;background:#17191b}
.area-card img{height:205px;width:100%;object-fit:cover;object-position:center;filter:saturate(.72) contrast(.96)}
.area-card-body{padding:27px 26px 28px;display:flex;flex:1;flex-direction:column}
.area-card h3{font-family:var(--serif);font-size:31px;font-weight:400;line-height:1.03;margin:0 0 18px;color:#C4A06B}
.area-card p{margin:0;color:rgba(242,239,232,.72);font-size:15px;line-height:1.55}
.area-card .link{margin-top:auto;padding-top:28px;align-self:flex-start;border-color:#A98045}

.guides{padding:105px 0;background:#EFE9DF}
.guides-grid{display:grid;grid-template-columns:.76fr 1.24fr;gap:64px;align-items:start}
.guides-copy h2{font-size:clamp(52px,5.2vw,80px)}
.guides-copy p{color:var(--muted-dark);font-size:17px;line-height:1.65;max-width:470px;margin:26px 0 36px}
.guide-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.guide-card{background:#F6F1E9;border:1px solid rgba(36,33,30,.12);min-height:360px;display:flex;flex-direction:column;padding:0 0 22px}
.guide-thumb{height:170px;overflow:hidden}
.guide-thumb img{width:100%;height:100%;object-fit:cover;filter:saturate(.68)}
.guide-meta{padding:18px 18px 0;color:#857e73;font-size:9px;letter-spacing:.18em;text-transform:uppercase}
.guide-card h3{padding:8px 18px 0;margin:0;font-family:var(--serif);font-weight:400;font-size:25px;line-height:1.02}
.guide-rule{height:1px;background:#A98045;width:40px;margin:20px 18px 0}

.conversation{
  position:relative;min-height:520px;color:var(--ivory);
  background-color:var(--charcoal);
  display:flex;align-items:center;overflow:hidden
}
.conversation::before{
  content:"";position:absolute;inset:0 0 0 38%;
  background:url("conversation.jpg") right center/100% auto no-repeat;
  opacity:.96
}
.conversation::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(21,23,25,1) 0%,rgba(21,23,25,.97) 35%,rgba(21,23,25,.72) 52%,rgba(21,23,25,.12) 82%,rgba(21,23,25,0) 100%);
  pointer-events:none
}
.conversation-inner{padding:90px 0;position:relative;z-index:2}
.conversation h2{font-size:clamp(52px,6vw,88px);max-width:700px}
.conversation p{font-size:17px;line-height:1.7;color:rgba(242,239,232,.76);max-width:560px;margin:28px 0 38px}
.conversation .link{border-color:#A98045}

/* interior hero */
.inner-hero{background:var(--charcoal);color:var(--ivory);padding:150px 0 98px;position:relative;overflow:hidden}
.inner-hero.light{background:var(--paper);color:var(--ink)}
.inner-hero .wrap{position:relative;z-index:2}
.page-title{font-size:clamp(60px,8vw,118px);max-width:980px}
.page-title .gold{color:#A98045}
.page-sub{font-family:var(--serif);font-size:clamp(24px,2.4vw,38px);margin:28px 0 0;max-width:820px;line-height:1.2}
.inner-hero p.lead{font-size:18px;line-height:1.7;color:rgba(242,239,232,.68);max-width:780px;margin:30px 0 0}
.inner-hero.light p.lead{color:var(--muted-dark)}

.editorial{padding:100px 0;background:var(--paper)}
.editorial.dark{background:var(--charcoal);color:var(--ivory)}
.two-col{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:start}
.two-col.equal{grid-template-columns:1fr 1fr}
.section-title{font-size:clamp(44px,5vw,76px)}
.prose{font-size:18px;line-height:1.78;color:var(--muted-dark)}
.dark .prose{color:rgba(242,239,232,.7)}
.prose p:first-child{margin-top:0}
.quote{font-family:var(--serif);font-size:clamp(34px,4vw,60px);line-height:1.08;margin:0;color:#A98045}
.kicker{font-size:10px;letter-spacing:.22em;text-transform:uppercase;opacity:.62;margin-bottom:16px}

.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.info-card{border:1px solid rgba(36,33,30,.14);padding:30px;min-height:260px;background:#F6F1E9}
.dark .info-card{background:#17191b;border-color:rgba(242,239,232,.16)}
.info-card h3{font-family:var(--serif);font-size:30px;font-weight:400;line-height:1.05;margin:0 0 18px;color:#A98045}
.info-card p{font-size:15px;line-height:1.6;color:var(--muted-dark);margin:0}
.dark .info-card p{color:rgba(242,239,232,.68)}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(36,33,30,.12);margin-top:42px}
.step{background:#F6F1E9;padding:28px;min-height:210px}
.step .n{font-size:11px;letter-spacing:.18em;color:#A98045;margin-bottom:28px}
.step h3{font-family:var(--serif);font-size:27px;font-weight:400;margin:0 0 12px}
.step p{font-size:14px;line-height:1.58;color:var(--muted-dark);margin:0}

.reading-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px;align-items:start}
.reading-index{position:sticky;top:30px}
.reading-index .n{font-family:var(--serif);font-size:72px;line-height:1;color:#A98045}
.reading-block{padding:0 0 64px;margin-bottom:64px;border-bottom:1px solid rgba(36,33,30,.16)}
.reading-block:last-child{border-bottom:0;margin-bottom:0}
.reading-block h2{font-family:var(--serif);font-size:clamp(42px,4.7vw,70px);font-weight:400;line-height:1;margin:0 0 24px}
.reading-block p{font-size:18px;line-height:1.75;color:var(--muted-dark);max-width:760px}

.mini-list{display:grid;gap:0;margin-top:32px;border-top:1px solid rgba(36,33,30,.18)}
.mini-row{display:grid;grid-template-columns:220px 1fr;gap:30px;padding:22px 0;border-bottom:1px solid rgba(36,33,30,.18)}
.mini-row strong{font-family:var(--serif);font-size:23px;font-weight:400}
.mini-row span{color:var(--muted-dark);line-height:1.6}

.cta-band{background:#1a1c1e;color:var(--ivory);padding:70px 0}
.cta-band .inner{display:flex;justify-content:space-between;gap:40px;align-items:end}
.cta-band h2{font-family:var(--serif);font-weight:400;font-size:clamp(40px,5vw,70px);line-height:1;margin:0;max-width:760px}
.cta-band p{max-width:480px;color:rgba(242,239,232,.67);line-height:1.65}

.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(36,33,30,.15);margin-top:42px}
.contact-cell{background:#F6F1E9;padding:36px}
.contact-cell h3{font-family:var(--serif);font-weight:400;font-size:30px;margin:0 0 14px}
.contact-cell p{margin:0;color:var(--muted-dark);line-height:1.6}

/* footer */
footer{background:#111315;color:var(--ivory);padding:62px 0 44px}
.footer-grid{display:grid;grid-template-columns:1.2fr .7fr .7fr;gap:62px;align-items:start}
.footer-logo{width:min(210px,68%);opacity:.82;margin-bottom:18px}
.footer-note{font-size:12px;color:rgba(242,239,232,.56);max-width:460px;line-height:1.65}
.footer-nav{display:grid;gap:11px;font-size:12px;color:rgba(242,239,232,.72)}
.copyright{font-size:11px;color:rgba(242,239,232,.56);line-height:1.65}
.legal{width:min(var(--max),calc(100% - 56px));margin:42px auto 0;padding-top:26px;border-top:1px solid var(--line);font-size:10px;line-height:1.65;color:rgba(242,239,232,.42)}

@media(max-width:900px){
  .wrap,.hero-domains,.legal{width:min(100% - 34px,var(--max))}
  .header-inner{width:calc(100% - 34px)}
  .nav{display:none}.mobile-toggle{display:block}
  .hero{min-height:760px;background-position:62% center}.hero-inner{min-height:760px}
  .hero h1{font-size:clamp(56px,15vw,94px)}.hero-sub{font-size:27px}
  .obs-grid,.areas-top,.guides-grid,.footer-grid,.two-col,.two-col.equal,.reading-layout,.cta-band .inner{grid-template-columns:1fr;display:grid}
  .area-cards,.cards-3,.guide-cards,.steps{grid-template-columns:1fr}
  .reading-index{position:relative;top:auto}
  .mini-row{grid-template-columns:1fr;gap:8px}
  .contact-box{grid-template-columns:1fr}
  .footer-logo{width:180px}
}
@media(max-width:560px){
  .site-header,.header-inner{height:78px}.micro-mark{width:38px}
  .hero{min-height:720px;background-position:67% center}.hero-inner{min-height:720px;padding:115px 0 120px}
  .hero h1{font-size:58px}.hero-sub{font-size:23px}
  .observation,.areas,.guides,.editorial{padding:76px 0}
  .obs-copy h2,.areas-intro h2,.guides-copy h2,.conversation h2,.section-title{font-size:48px}
  .page-title{font-size:56px}.page-sub{font-size:24px}
  .footer-logo{width:156px}
}

/* v0.6 · Contacto sobrio: un solo canal */
.contact-box-single{
  grid-template-columns:minmax(320px,620px);
  background:transparent;
}
.contact-box-single .contact-cell{
  border:1px solid rgba(36,33,30,.14);
  padding:42px 36px;
}


/* v0.7 · Biblioteca documental organizada por uso, no por secuencia numérica */
.guide-library{padding:92px 0;background:#EFE9DF}
.guide-library + .guide-library{padding-top:8px}
.guide-library-head{
  display:grid;grid-template-columns:.72fr 1.28fr;gap:64px;align-items:start;
  margin-bottom:34px;padding-top:28px;border-top:1px solid rgba(36,33,30,.15)
}
.guide-library-head h2{
  font-family:var(--serif);font-weight:400;font-size:clamp(38px,4.4vw,64px);
  line-height:.98;letter-spacing:-.03em;margin:0
}
.guide-library-head p{
  color:var(--muted-dark);font-size:16px;line-height:1.7;max-width:650px;margin:3px 0 0
}
.guide-library-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px
}
.guide-doc-card{
  background:#F6F1E9;border:1px solid rgba(36,33,30,.12);
  display:flex;flex-direction:column;min-height:470px;transition:transform .2s ease
}
.guide-doc-card:hover{transform:translateY(-2px)}
.guide-doc-cover{height:300px;overflow:hidden;background:#d7d0c5}
.guide-doc-cover img{
  width:100%;height:100%;object-fit:cover;object-position:center top;
  filter:saturate(.72) contrast(.98);transition:filter .2s ease
}
.guide-doc-card:hover .guide-doc-cover img{filter:saturate(.9) contrast(1)}
.guide-doc-body{padding:20px 20px 23px;display:flex;flex:1;flex-direction:column}
.guide-doc-meta{font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:#857e73;margin-bottom:9px}
.guide-doc-card h3{font-family:var(--serif);font-size:26px;font-weight:400;line-height:1.03;margin:0}
.guide-doc-card .link{margin-top:auto;padding-top:22px;align-self:flex-start}

.pdf-actions{margin-top:46px;display:flex;gap:28px;flex-wrap:wrap}
.pdf-primary{border-bottom-color:#A98045}
.document-note{font-size:13px;color:var(--muted-dark);line-height:1.6;margin-top:20px;max-width:760px}

@media(max-width:1050px){
  .guide-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:900px){
  .guide-library-head{grid-template-columns:1fr;gap:14px}
  .conversation::before{inset:0 0 0 25%;background-size:100% auto}
}
@media(max-width:560px){
  .guide-library-grid{grid-template-columns:1fr}
  .guide-doc-cover{height:330px}
  .conversation{min-height:500px}
  .conversation::before{inset:0;background-position:center 70%;background-size:100% auto;opacity:.62}
  .conversation::after{background:linear-gradient(180deg,rgba(21,23,25,.86),rgba(21,23,25,.72))}
}


/* v0.8 · Guías por utilidad y exposición, sin protagonismo de numeración */
.guide-purpose-card{
  background:#F6F1E9;border:1px solid rgba(36,33,30,.12);
  display:flex;flex-direction:column;min-height:520px
}
.guide-purpose-cover{height:250px;overflow:hidden;background:#d7d0c5}
.guide-purpose-cover img{
  width:100%;height:100%;object-fit:cover;object-position:center top;
  filter:saturate(.68) contrast(.98)
}
.guide-purpose-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.guide-purpose-body h3{
  font-family:var(--serif);font-size:29px;font-weight:400;line-height:1.02;
  margin:0 0 16px;color:var(--ink)
}
.guide-purpose-object{
  font-size:14px;line-height:1.62;color:#4e4943;margin:0 0 14px
}
.guide-purpose-value{
  font-size:13px;line-height:1.62;color:var(--muted-dark);margin:0
}
.guide-purpose-card .link{margin-top:auto;padding-top:24px;align-self:flex-start}

.related-guides{padding:86px 0;background:#EFE9DF}
.related-guides.dark{background:var(--charcoal);color:var(--ivory)}
.related-guides-head{
  display:grid;grid-template-columns:.76fr 1.24fr;gap:64px;align-items:start;margin-bottom:38px
}
.related-guides-head h2{
  font-family:var(--serif);font-size:clamp(42px,5vw,72px);font-weight:400;
  line-height:.98;letter-spacing:-.03em;margin:0
}
.related-guides-head p{
  margin:4px 0 0;font-size:16px;line-height:1.72;color:var(--muted-dark);max-width:680px
}
.related-guides.dark .related-guides-head p{color:rgba(242,239,232,.65)}
.related-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.related-guide{
  border:1px solid rgba(36,33,30,.14);padding:28px;background:#F6F1E9;
  display:flex;flex-direction:column;min-height:280px
}
.related-guides.dark .related-guide{background:#17191b;border-color:rgba(242,239,232,.16)}
.related-guide h3{
  font-family:var(--serif);font-size:31px;font-weight:400;line-height:1.04;
  margin:0 0 16px;color:#A98045
}
.related-guide p{font-size:14px;line-height:1.65;color:var(--muted-dark);margin:0}
.related-guides.dark .related-guide p{color:rgba(242,239,232,.66)}
.related-guide .link{margin-top:auto;padding-top:22px;align-self:flex-start}

.guides-intro-note{
  max-width:840px;color:var(--muted-dark);font-size:16px;line-height:1.72;margin-top:26px
}
.guide-context-label{
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:#8a8277;margin-bottom:18px
}

@media(max-width:900px){
  .related-guides-head{grid-template-columns:1fr;gap:16px}
  .related-guide-grid{grid-template-columns:1fr}
}


/* v0.9 · Aviso de privacidad */
.privacy-hero{
  background:var(--charcoal);color:var(--ivory);padding:150px 0 92px
}
.privacy-hero h1{
  font-family:var(--serif);font-weight:400;font-size:clamp(58px,7.2vw,104px);
  line-height:.92;letter-spacing:-.04em;margin:0;text-transform:uppercase
}
.privacy-hero p{
  max-width:800px;font-size:18px;line-height:1.72;color:rgba(242,239,232,.7);margin:30px 0 0
}
.privacy-body{background:var(--paper);padding:94px 0 110px}
.privacy-grid{
  display:grid;grid-template-columns:270px minmax(0,780px);gap:84px;align-items:start
}
.privacy-index{position:sticky;top:32px}
.privacy-index a{
  display:block;padding:9px 0;border-bottom:1px solid rgba(36,33,30,.1);
  font-size:12px;color:var(--muted-dark)
}
.privacy-content section{
  padding:0 0 46px;margin:0 0 46px;border-bottom:1px solid rgba(36,33,30,.14)
}
.privacy-content section:last-child{border-bottom:0}
.privacy-content h2{
  font-family:var(--serif);font-weight:400;font-size:38px;line-height:1.05;
  margin:0 0 20px;color:var(--ink)
}
.privacy-content p,.privacy-content li{
  font-size:16px;line-height:1.72;color:var(--muted-dark)
}
.privacy-content ul{padding-left:20px}
.privacy-note{
  padding:24px;border-left:2px solid #A98045;background:#F6F1E9;
  color:var(--muted-dark);font-size:14px;line-height:1.7;margin:28px 0
}
.privacy-meta{
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:#8a8277;margin-top:26px
}
.contact-privacy{
  margin-top:24px;font-size:12px;line-height:1.65;color:var(--muted-dark);
  max-width:620px
}
.contact-privacy a{border-bottom:1px solid rgba(36,33,30,.35)}
@media(max-width:900px){
  .privacy-grid{grid-template-columns:1fr;gap:34px}
  .privacy-index{position:relative;top:auto}
}


/* v0.9.1 · Portada: regreso a imágenes naturales y mejor equilibrio de tarjetas de guías */
.home-guide-card{
  min-height:332px;
}
.home-guide-card .guide-thumb{
  height:186px;
  background:#d7d0c5;
}
.home-guide-card .guide-thumb img{
  filter:saturate(.78) contrast(1);
}
.home-guide-card h3{
  font-size:23px;
  line-height:1.08;
  min-height:76px;
}
.guide-card-gmm .guide-thumb img{
  object-position:center center;
}
.guide-card-transporte .guide-thumb img{
  object-position:center 62%;
}
.guide-card-rcp .guide-thumb img{
  object-position:center center;
}

@media(max-width:900px){
  .home-guide-card{
    min-height:auto;
  }
  .home-guide-card .guide-thumb{
    height:220px;
  }
  .home-guide-card h3{
    min-height:0;
    font-size:22px;
    line-height:1.1;
  }
}
@media(max-width:560px){
  .home-guide-card{
    min-height:auto;
    padding-bottom:20px;
  }
  .home-guide-card .guide-thumb{
    height:180px;
  }
  .home-guide-card h3{
    font-size:20px;
  }
}