:root{
      --paper:#fffdfa;
      --warm:#f7f3ef;
      --soft:#efebe6;
      --ink:#14110f;
      --muted:#6d645d;
      --line:#ddd4ca;
      --red:#e11d0e;
      --red-dark:#ad160b;
      --charcoal:#171310;
      --max:1160px;
      --serif: Georgia, "Times New Roman", Times, serif;
      --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.72;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
    body[data-language="en"] .lang-es{display:none!important}
    body[data-language="es"] .lang-en{display:none!important}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--red)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,summary{font:inherit}
    .frame{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
    .skip-link{position:absolute;left:24px;top:-60px;background:var(--ink);color:#fff;padding:10px 14px;z-index:100}
    .skip-link:focus{top:16px}
    .section-label,.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:var(--red);font-weight:800;margin:0 0 22px}
    .section-title{font-family:var(--serif);font-weight:500;font-size:clamp(2.2rem,4vw,3.65rem);line-height:1.08;letter-spacing:-.025em;margin:0 0 50px;max-width:850px}
    .soft{background:var(--soft)}
    .section-pad{padding:96px 0 112px;content-visibility:auto;contain-intrinsic-size:900px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,250,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(221,212,202,.72)}
    .nav{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;min-width:190px}
    .brand img{width:188px;max-width:45vw}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:20px;font-family:var(--serif);font-size:16px;line-height:1.2;flex-wrap:wrap}
    .nav-links a{white-space:nowrap}
    .lang-toggle{border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 10px;cursor:pointer;font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
    .lang-toggle:hover{border-color:var(--red);color:var(--red)}
    .cv-menu{position:relative;display:inline-flex;z-index:80}
    .cv-menu summary{list-style:none;cursor:pointer;border:1px solid var(--line);padding:9px 14px;background:#fff;font-family:var(--sans);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;line-height:1;transition:border-color .2s ease,color .2s ease,background .2s ease,box-shadow .2s ease}
    .cv-menu summary::-webkit-details-marker{display:none}
    .cv-menu summary::after{content:" ↓";font-weight:600}
    .cv-menu[open] summary,.cv-menu summary:hover{border-color:var(--red);color:var(--red);background:#fffdfa;box-shadow:0 8px 22px rgba(0,0,0,.05)}
    .cv-options{position:absolute;right:0;top:calc(100% + 12px);width:min(360px,calc(100vw - 32px));background:rgba(255,253,250,.985);border:1px solid var(--line);box-shadow:0 22px 58px rgba(0,0,0,.12);padding:10px;display:grid;gap:8px;z-index:999;overflow:hidden}
    .cv-options a,.nav-links .cv-options a{white-space:normal;display:block;border:1px solid transparent;padding:14px 16px;line-height:1.35;background:#fff;color:var(--ink);overflow-wrap:normal;word-break:normal;transition:background .2s ease,border-color .2s ease,transform .2s ease;color:var(--ink)}
    .cv-options a:hover{background:var(--warm);border-color:var(--line);color:var(--ink);transform:translateY(-1px)}
    .cv-options strong{display:block;font-family:var(--serif);font-size:20px;font-weight:500;line-height:1.2;margin-bottom:6px}
    .cv-options span{display:block;font-family:var(--sans);font-size:12px;color:var(--muted);line-height:1.45}
    .hero{display:grid;grid-template-columns:.88fr 1.12fr;gap:86px;align-items:center;padding:74px 0 92px}
    .hero-image{justify-self:end;width:min(100%,500px);height:690px;overflow:hidden;background:var(--soft)}
    .hero-image picture{display:block;width:100%;height:100%}
    .hero-image img{width:100%;height:100%;object-fit:cover;object-position:center top;filter:grayscale(1)}
    .hero-copy{max-width:700px}
    .role{font-family:var(--serif);font-style:italic;color:var(--red);font-size:clamp(1.34rem,2.4vw,2.05rem);line-height:1.35;margin:0 0 30px}
    .hero h1{font-family:var(--serif);font-weight:500;color:var(--red);font-size:clamp(3rem,6.7vw,5.6rem);line-height:.95;letter-spacing:-.045em;margin:0 0 22px}
    .hero-text{max-width:655px;font-size:16px;line-height:1.9;color:#312c27;margin:0 0 18px}
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:34px}
    .button-outline,.button-solid{display:inline-flex;align-items:center;justify-content:center;min-height:47px;padding:0 26px;border:1px solid var(--ink);font-family:var(--serif);font-size:17px;background:#fff;color:var(--ink);cursor:pointer}
    .button-outline:hover{background:var(--ink);color:#fff}
    .button-solid{background:var(--red);border-color:var(--red);color:#fff}
    .button-solid:hover{background:var(--red-dark);border-color:var(--red-dark);color:#fff}
    .hero-socials{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}
    .tiny-social{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);padding:8px 10px;background:#fff;color:var(--muted);font-size:12px;letter-spacing:.02em}
    .tiny-social img{width:22px;height:22px;object-fit:contain;flex:0 0 22px}
    .tiny-social:hover{border-color:var(--red);color:var(--red)}
    .strengths{padding:18px 0 104px}
    .strength-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:60px}
    .strength-grid h3{font-family:var(--serif);font-size:25px;font-weight:500;margin:0 0 16px}
    .strength-grid p{font-size:14px;color:var(--muted);line-height:1.75;max-width:315px;margin:0}
    .thought{background:#fff}
    .thought-intro{display:grid;grid-template-columns:.72fr 1.28fr;gap:76px;align-items:start;margin-bottom:42px}
    .thought-title{font-family:var(--serif);font-weight:500;color:var(--red);font-size:clamp(2.6rem,5.8vw,5.2rem);line-height:.98;letter-spacing:-.045em;margin:0}
    .thought-subtitle{font-family:var(--serif);font-style:italic;color:var(--red);font-size:clamp(1.45rem,2.5vw,2.15rem);line-height:1.42;margin:0 0 26px}
    .thought-intro p{color:#302b27;line-height:1.88;margin:0 0 18px}
    .thought-details{max-width:920px;margin:18px auto 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
    .thought-details summary{list-style:none;cursor:pointer;padding:26px 0;display:flex;justify-content:space-between;align-items:center;gap:24px;color:var(--red);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:12px}
    .thought-details summary::-webkit-details-marker{display:none}
    .thought-details summary .summary-title{font-family:var(--serif);font-weight:500;color:var(--ink);text-transform:none;letter-spacing:0;font-size:clamp(1.4rem,2.4vw,2.2rem)}
    .thought-details summary::after{content:"+";font-size:30px;font-weight:300;line-height:1;color:var(--red)}
    .thought-details[open] summary::after{content:"−"}
    .thought-article{padding:18px 0 58px;max-width:880px;margin:0 auto}
    .thought-article h3{font-family:var(--serif);font-size:clamp(1.75rem,2.8vw,2.55rem);line-height:1.1;font-weight:500;color:var(--red);margin:58px 0 18px}
    .thought-article h3:first-child{margin-top:0}
    .thought-article p{font-family:var(--serif);font-size:clamp(1.04rem,1.55vw,1.18rem);line-height:1.88;color:#2d2824;margin:0 0 20px}
    .quote-block{border-left:2px solid var(--red);padding-left:25px;margin:28px 0 0;color:var(--muted);font-family:var(--serif);font-style:italic;font-size:20px;line-height:1.62}
    .experience-layout{display:grid;grid-template-columns:minmax(0,1.1fr) 390px;gap:94px;align-items:start}
    .experience-list{display:grid;gap:42px}
    .experience-list article{max-width:700px}
    .date{font-size:11px;text-transform:uppercase;letter-spacing:.16em;color:var(--muted);margin:0 0 8px}
    .experience-list h3,.education-grid h3,.hydraulic-card h3{font-family:var(--serif);font-size:27px;font-weight:500;line-height:1.15;margin:0 0 14px}
    .experience-list p:not(.date),.education-grid p,.project-card p,.research-text,.contact-intro,.hydraulic-card p,.hydraulic-lead{font-size:14px;color:var(--muted);line-height:1.82;margin:0}
    .experience-photos{position:sticky;top:120px;display:grid;gap:72px;padding-top:8px}
    .experience-photos img{width:100%;filter:grayscale(1);background:#ddd;object-fit:cover}
    .photo-tall{height:510px;object-position:center top}
    .photo-small{width:310px!important;height:420px;justify-self:end;object-position:center top}
    .hydraulic{background:var(--charcoal);color:#fff}
    .hydraulic .section-label{color:#ff6256}
    .hydraulic .section-title{color:#fff}
    .hydraulic-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:74px;align-items:start}
    .hydraulic-lead{color:#cec8bf;font-size:16px}
    .hydraulic-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .hydraulic-card{border:1px solid rgba(255,255,255,.18);padding:28px;background:rgba(255,255,255,.035)}
    .hydraulic-card h3{color:#fff}
    .hydraulic-card p{color:#cec8bf}
    .metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}
    .metric{border-top:1px solid rgba(255,255,255,.23);padding-top:16px}
    .metric strong{display:block;color:#fff;font-family:var(--serif);font-size:34px;font-weight:500;line-height:1}
    .metric span{display:block;color:#cec8bf;font-size:12px;margin-top:7px;line-height:1.45}
    .hydraulic-actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
    .hydraulic .button-outline{background:transparent;border-color:#fff;color:#fff}
    .hydraulic .button-outline:hover{background:#fff;color:var(--charcoal)}
    .education-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:55px 105px}
    .course-panel{margin-top:62px;border-top:1px solid var(--line);padding-top:30px}
    .course-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}
    .course-heading h3{font-family:var(--serif);font-size:24px;font-weight:500;line-height:1.2;margin:0;color:var(--ink)}
    .course-heading p{max-width:500px;margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
    .course-chip{border:1px solid var(--line);background:rgba(255,255,255,.58);padding:15px 16px;min-height:112px;transition:border-color .2s ease,transform .2s ease,background .2s ease}
    .course-chip:hover{border-color:var(--red);background:#fff;transform:translateY(-2px)}
    .course-chip h4{font-family:var(--sans);font-size:13px;font-weight:750;line-height:1.35;margin:0 0 9px;color:var(--ink)}
    .course-chip p{font-size:11px;line-height:1.5;color:var(--muted);margin:0}
    .course-chip .course-year{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--red);font-weight:800;margin-bottom:6px}
    .project-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(205px,1fr));gap:24px}
    .project-card{background:#fff;border:1px solid rgba(221,212,202,.9);padding:34px 28px;min-height:286px;display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease}
    .project-card .project-kicker{display:block;font-size:11px;color:var(--red);letter-spacing:.18em;margin-bottom:32px;text-transform:uppercase}
    .project-card h3{font-family:var(--serif);font-size:26px;line-height:1.1;font-weight:500;margin:0 0 18px}
    .project-card:hover{transform:translateY(-4px);border-color:var(--red)}
    .project-actions{margin-top:auto;padding-top:24px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
    .project-more,.project-link{display:inline-flex;align-items:center;justify-content:center;min-height:39px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:0 13px;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease}
    .project-more:hover,.project-link:hover{border-color:var(--red);color:var(--red);background:#fffdfa;transform:translateY(-1px)}
    body.modal-lock{overflow:hidden}
    .project-modal{width:min(840px,calc(100vw - 28px));max-width:840px;border:0;padding:0;background:transparent;color:var(--ink)}
    .project-modal::backdrop{background:rgba(20,17,15,.44);backdrop-filter:blur(7px)}
    .modal-panel{position:relative;background:var(--paper);border:1px solid var(--line);box-shadow:0 30px 90px rgba(0,0,0,.22);padding:clamp(30px,5vw,58px);max-height:min(82vh,760px);overflow:auto}
    .modal-close{position:absolute;right:18px;top:18px;width:38px;height:38px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:25px;line-height:1;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .2s ease,color .2s ease,background .2s ease}
    .modal-close:hover{border-color:var(--red);color:var(--red);background:#fffdfa}
    .project-modal h3{font-family:var(--serif);font-size:clamp(2rem,4vw,3.35rem);line-height:1.04;font-weight:500;color:var(--red);letter-spacing:-.035em;margin:0 0 22px;max-width:680px}
    .project-modal p:not(.modal-meta){font-size:16px;line-height:1.86;color:#332e29;margin:0 0 18px;max-width:690px}
    .project-modal .modal-meta{font-size:11px;text-transform:uppercase;letter-spacing:.16em;color:var(--muted);margin:0 0 12px}
    .modal-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .modal-link,.modal-note{display:inline-flex;align-items:center;justify-content:center;min-height:45px;border:1px solid var(--ink);padding:0 18px;font-family:var(--serif);font-size:16px;background:#fff;color:var(--ink)}
    .modal-link:hover{background:var(--ink);color:#fff}
    .modal-note{border-color:var(--line);color:var(--muted);background:var(--warm)}
    .profiles-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:70px;align-items:start}
    .profile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .profile-card{background:#fff;border:1px solid var(--line);min-height:180px;padding:22px 18px;display:flex;flex-direction:column;justify-content:space-between;transition:transform .25s ease,border-color .25s ease}
    .profile-card:hover{transform:translateY(-4px);border-color:var(--red);color:var(--ink)}
    .profile-card img{height:46px;width:80px;object-fit:contain;object-position:left center}
    .profile-card h3{font-family:var(--serif);font-size:24px;font-weight:500;margin:22px 0 4px}
    .profile-card span{color:var(--muted);font-size:12px}
    .eii-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
    .eii-panel p{color:var(--muted);line-height:1.85;margin:0}.eii-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.eii-grid div{background:#fff;border:1px solid var(--line);padding:28px}.eii-grid h3{font-family:var(--serif);font-weight:500;font-size:25px;margin:0 0 12px}
    .contact-section{padding:100px 0 95px}.contact-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:86px;align-items:start}.contact-grid h2{font-family:var(--serif);font-weight:500;color:var(--red);font-size:clamp(2.5rem,5vw,4.5rem);line-height:1;letter-spacing:-.04em;margin:0 0 26px}.contact-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.contact-links a{border:1px solid var(--line);background:#fff;padding:10px 12px;font-size:13px}.contact-card{background:#fff;border:1px solid var(--line);padding:34px}.contact-card form{display:grid;gap:15px}.field label{display:block;font-size:12px;margin:0 0 6px;color:var(--ink)}.field input,.field textarea{width:100%;border:0;background:#efebe6;padding:13px 14px;color:var(--ink);outline:none}.field textarea{min-height:136px;resize:vertical}.field input:focus,.field textarea:focus{box-shadow:0 0 0 2px var(--red)}.site-footer{background:var(--red);color:#fff;padding:30px 0}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.footer-brand{display:flex;align-items:center;gap:14px}.footer-brand img{width:118px;filter:brightness(0) invert(1)}.footer-socials{display:flex;gap:13px;align-items:center}.footer-socials a{font-size:13px;color:#fff}.footer-socials a:hover{text-decoration:underline;color:#fff}
    @media (max-width:1100px){.hero{grid-template-columns:1fr 1fr;gap:54px}.project-grid{grid-template-columns:repeat(2,1fr)}.profile-grid{grid-template-columns:repeat(2,1fr)}.experience-layout{grid-template-columns:1fr;gap:50px}.experience-photos{position:static;grid-template-columns:1fr 1fr}.photo-tall,.photo-small{height:420px;width:100%!important;justify-self:stretch}}
    @media (max-width:900px){.nav{align-items:flex-start;flex-direction:column;padding:18px 0;gap:16px}.brand{min-width:0}.nav-links{justify-content:flex-start;gap:14px;width:100%}.cv-options{left:0;right:auto}.hero{grid-template-columns:1fr;padding:46px 0 78px}.hero-image{justify-self:start;width:min(100%,560px);height:640px}.thought-intro,.hydraulic-grid,.profiles-layout,.eii-panel,.contact-grid{grid-template-columns:1fr;gap:44px}.strength-grid{grid-template-columns:1fr;gap:34px}.strength-grid p{max-width:720px}.hydraulic-cards,.education-grid{grid-template-columns:1fr}.course-heading{align-items:flex-start;flex-direction:column}.metric-row{grid-template-columns:1fr}.section-pad{padding:76px 0 86px}}
    @media (max-width:640px){.frame{width:min(100% - 28px, var(--max))}.site-header{position:relative}.brand img{width:160px}.nav-links{font-size:15px}.hero h1{font-size:clamp(2.75rem,16vw,4.2rem)}.hero-image{height:520px;width:100%}.hero-text{font-size:15px;line-height:1.82}.hero-actions{align-items:stretch}.button-outline,.button-solid{width:100%;padding:0 18px}.hero-socials{display:grid;grid-template-columns:repeat(2,1fr)}.tiny-social{justify-content:flex-start}.project-grid,.profile-grid,.eii-grid,.experience-photos{grid-template-columns:1fr}.photo-tall,.photo-small{height:430px}.thought-details summary{align-items:flex-start;flex-direction:column}.thought-details summary::after{align-self:flex-end}.cv-options{width:calc(100vw - 28px)}.contact-card{padding:24px}.footer-inner{align-items:flex-start;flex-direction:column}.footer-brand img{width:96px}}
  

    /* Centro de Conocimiento Aplicado - additive styles */
    .menu-toggle{display:none;align-items:center;justify-content:center;min-height:44px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:0 14px;font-family:var(--sans);font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;cursor:pointer}
    .menu-toggle:hover,.menu-toggle:focus-visible{border-color:var(--red);color:var(--red);outline:0}
    .menu-toggle:focus-visible,.nav-links a:focus-visible,.cv-menu summary:focus-visible,.lang-toggle:focus-visible,.knowledge-card:focus-visible,.filter-button:focus-visible,.resource-card a:focus-visible,.button-outline:focus-visible,.button-solid:focus-visible{outline:2px solid var(--red);outline-offset:3px}
    .knowledge-preview{background:var(--paper)}
    .knowledge-preview-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:74px;align-items:start}
    .knowledge-preview-copy p{font-size:16px;line-height:1.85;color:var(--muted);margin:0 0 28px;max-width:760px}
    .knowledge-category-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:6px}
    .knowledge-card{display:flex;min-height:154px;flex-direction:column;justify-content:space-between;border:1px solid var(--line);background:#fff;padding:22px;color:var(--ink);transition:transform .22s ease,border-color .22s ease,background .22s ease}
    .knowledge-card:hover{transform:translateY(-3px);border-color:var(--red);background:#fffdfa;color:var(--ink)}
    .knowledge-card span{display:block;font-size:10px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:22px}
    .knowledge-card strong{font-family:var(--serif);font-size:22px;font-weight:500;line-height:1.12}
    .knowledge-preview-actions{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}
    .breadcrumb{font-size:12px;color:var(--muted);letter-spacing:.03em;margin:28px 0 0}
    .breadcrumb a{color:var(--muted)}
    .breadcrumb a:hover{color:var(--red)}
    .knowledge-page-hero{padding:74px 0 48px}
    .knowledge-page-hero .section-title{margin-bottom:28px}
    .knowledge-page-text{font-size:17px;line-height:1.85;color:var(--muted);max-width:820px;margin:0}
    .knowledge-toolbar{margin:34px 0 34px;display:grid;gap:18px}
    .knowledge-search{width:100%;min-height:54px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:0 18px;font-family:var(--sans);font-size:15px}
    .knowledge-search:focus{outline:2px solid var(--red);outline-offset:3px;border-color:var(--red)}
    .filter-row{display:flex;gap:10px;flex-wrap:wrap}
    .filter-button{min-height:44px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:0 14px;font-family:var(--sans);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;white-space:nowrap}
    .filter-button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
    .knowledge-category-section{scroll-margin-top:110px;padding:54px 0;border-top:1px solid var(--line)}
    .knowledge-category-head{display:grid;grid-template-columns:.64fr 1.36fr;gap:54px;align-items:start;margin-bottom:28px}
    .knowledge-category-head h2{font-family:var(--serif);font-size:clamp(2rem,3vw,3rem);font-weight:500;line-height:1.05;letter-spacing:-.025em;margin:0}
    .knowledge-category-head p{font-size:15px;line-height:1.78;color:var(--muted);margin:0;max-width:780px}
    .resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .resource-card{border:1px solid var(--line);background:#fff;padding:24px;display:flex;flex-direction:column;min-height:310px;transition:border-color .2s ease,transform .2s ease,background .2s ease}
    .resource-card:hover{border-color:var(--red);transform:translateY(-2px);background:#fffdfa}
    .resource-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
    .resource-pill{display:inline-flex;align-items:center;min-height:25px;border:1px solid var(--line);padding:0 8px;font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:#fff}
    .resource-pill.category{color:var(--red);border-color:rgba(225,29,14,.22)}
    .resource-card h3{font-family:var(--serif);font-size:25px;line-height:1.12;font-weight:500;margin:0 0 14px}
    .resource-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0 0 20px}
    .resource-details{display:grid;gap:6px;margin-top:auto;padding-top:18px;border-top:1px solid rgba(221,212,202,.72);font-size:12px;color:var(--muted)}
    .resource-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
    .resource-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border:1px solid var(--ink);padding:0 14px;font-family:var(--sans);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);background:#fff}
    .resource-actions a:hover{background:var(--ink);color:#fff}
    .resource-actions a.download{border-color:var(--red);color:var(--red)}
    .resource-actions a.download:hover{background:var(--red);color:#fff}
    .empty-state[hidden]{display:none}
    .resource-card[hidden]{display:none!important}.knowledge-category-section[hidden]{display:none!important}
        .empty-state{border:1px solid var(--line);padding:22px;background:#fff;color:var(--muted);margin:20px 0 0}
    .knowledge-cta{background:var(--charcoal);color:#fff;padding:54px;margin:46px 0 0;display:grid;grid-template-columns:1.2fr auto;gap:28px;align-items:center}
    .knowledge-cta h2{font-family:var(--serif);font-size:clamp(2rem,3vw,3rem);font-weight:500;margin:0 0 14px;color:#fff}
    .knowledge-cta p{color:#d8d1c8;line-height:1.75;margin:0}
    .knowledge-cta .button-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.72)}
    .knowledge-cta .button-outline:hover{background:#fff;color:var(--ink)}
    .article-shell{padding:66px 0 104px}
    .article-layout{max-width:760px;margin-inline:auto}
    .article-kicker{font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin:0 0 24px}
    .article-layout h1{font-family:var(--serif);font-size:clamp(2.6rem,6vw,5rem);font-weight:500;line-height:1;letter-spacing:-.045em;margin:0 0 22px;color:var(--ink)}
    .article-summary{font-size:18px;line-height:1.75;color:var(--muted);margin:0 0 28px}
    .article-data{display:flex;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;margin:0 0 42px;color:var(--muted);font-size:12px}
    .article-content{font-size:17px;line-height:1.86;color:#2f2a26}
    .article-content h2{font-family:var(--serif);font-weight:500;font-size:32px;line-height:1.12;margin:46px 0 16px;color:var(--ink)}
    .article-content p{margin:0 0 20px}
    .article-download{border:1px solid var(--line);background:var(--warm);padding:24px;margin:42px 0;display:grid;gap:16px}
    .article-download strong{font-family:var(--serif);font-size:24px;font-weight:500}
    .related-resources{margin-top:58px;padding-top:34px;border-top:1px solid var(--line)}
    .related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .related-card{border:1px solid var(--line);background:#fff;padding:20px;color:var(--ink)}
    .related-card:hover{border-color:var(--red);color:var(--red)}
    @media (min-width:1101px){.nav-links{display:flex!important}.menu-toggle{display:none!important}}
    @media (max-width:1100px){.site-header{position:sticky}.nav{min-height:74px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px 0}.brand{min-width:0}.brand img{width:160px;max-width:70vw}.menu-toggle{display:inline-flex}.nav-links{grid-column:1/-1;width:100%;display:none;flex-direction:column;align-items:stretch;gap:0;background:rgba(255,253,250,.985);border-top:1px solid var(--line);padding:8px 0 10px;font-size:18px;line-height:1.15}.nav-links.is-open{display:flex}.nav-links a,.nav-links .cv-menu summary,.nav-links .lang-toggle{width:100%;min-height:44px;display:flex;align-items:center;justify-content:flex-start;padding:11px 0;border:0;border-bottom:1px solid rgba(221,212,202,.5);background:transparent}.nav-links .lang-toggle{padding-inline:0}.nav-links .cv-menu{display:block;width:100%;z-index:100}.nav-links .cv-options{position:static;width:100%;box-shadow:none;margin:8px 0 4px;border:1px solid var(--line);background:#fff}.knowledge-category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-preview-grid,.knowledge-category-head{grid-template-columns:1fr;gap:34px}.knowledge-cta{grid-template-columns:1fr}.knowledge-toolbar{width:100%}}
    @media (max-width:640px){html,body{overflow-x:hidden}.frame{width:min(100% - 28px, var(--max))}.knowledge-category-grid,.resource-grid,.related-grid{grid-template-columns:1fr}.knowledge-card{min-height:auto}.knowledge-page-hero{padding:46px 0 30px}.knowledge-category-section{padding:42px 0;scroll-margin-top:90px}.filter-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}.filter-button{flex:0 0 auto}.resource-actions{display:grid;grid-template-columns:1fr}.resource-actions a,.knowledge-preview-actions .button-outline,.knowledge-preview-actions .button-solid,.knowledge-cta .button-outline{width:100%}.knowledge-cta{padding:28px}.article-shell{padding:44px 0 80px}.article-content{font-size:16px}.article-data{display:grid}.menu-toggle{min-width:88px}.nav-links{font-size:17px}}
    @media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}

    /* Reading experience — Lectura filosófica, semana 1 */
    :root{--reader-font-size:1.18rem;--reader-measure:720px}
    .reading-progress{position:fixed;inset:0 0 auto;z-index:120;height:3px;background:transparent;pointer-events:none}
    .reading-progress-bar{display:block;width:0;height:100%;background:var(--red);box-shadow:0 0 12px rgba(225,29,14,.22);transition:width .08s linear}
    .reading-article{padding:64px 0 110px}
    .reading-article .article-layout{max-width:none}
    .reader-hero{max-width:930px;margin:0 auto 58px;padding-bottom:42px;border-bottom:1px solid var(--line)}
    .reader-series{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 26px}
    .reader-series span{display:inline-flex;align-items:center;min-height:28px;border:1px solid rgba(225,29,14,.25);padding:0 10px;color:var(--red);background:#fff;font-size:10px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
    .reader-hero h1{max-width:880px;font-size:clamp(3.25rem,6.2vw,6.25rem);line-height:.94;letter-spacing:-.052em;margin-bottom:25px;text-wrap:balance}
    .reader-hero h1 span{display:block;color:var(--red)}
    .reader-deck{max-width:760px;font-family:var(--serif);font-size:clamp(1.3rem,2vw,1.68rem);line-height:1.42;color:#403832;margin:0 0 30px;text-wrap:balance}
    .reader-thinkers{font-family:var(--sans);font-size:10px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin:0 0 31px}
    .reader-metadata{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .reader-metadata div{padding:15px 16px;border-right:1px solid var(--line)}
    .reader-metadata div:first-child{padding-left:0}
    .reader-metadata div:last-child{border-right:0}
    .reader-metadata dt{font-size:9px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
    .reader-metadata dd{margin:0;font-family:var(--serif);font-size:15px;line-height:1.35;color:var(--ink)}
    .reader-grid{display:grid;grid-template-columns:250px minmax(0,var(--reader-measure));justify-content:center;align-items:start;gap:72px}
    .reader-sidebar{position:sticky;top:116px;max-height:calc(100vh - 145px);overflow:auto;padding:2px 20px 24px 0;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
    .reader-sidebar-label{font-size:10px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin:0 0 14px}
    .reader-toc{border-top:1px solid var(--line);padding-top:12px}
    .reader-toc ol{list-style:none;padding:0;margin:0;display:grid;gap:1px}
    .reader-toc a{display:block;padding:7px 9px;border-left:2px solid transparent;color:var(--muted);font-size:12px;line-height:1.35;transition:color .2s ease,border-color .2s ease,background .2s ease}
    .reader-toc a:hover,.reader-toc a[aria-current="true"]{color:var(--ink);border-left-color:var(--red);background:var(--warm)}
    .reader-controls{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
    .reader-controls p{grid-column:1/-1;margin:0 0 2px;font-size:10px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
    .reader-control{min-height:38px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;font-family:var(--serif);font-size:15px}
    .reader-control:hover{border-color:var(--red);color:var(--red)}
    .reader-control-wide{grid-column:1/-1;font-family:var(--sans);font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
    .reader-mobile-toc{display:none;margin:0 0 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .reader-mobile-toc summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:54px;cursor:pointer;font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--red)}
    .reader-mobile-toc summary::-webkit-details-marker{display:none}
    .reader-mobile-toc summary::after{content:"+";font-family:var(--serif);font-size:25px;font-weight:400;line-height:1}
    .reader-mobile-toc[open] summary::after{content:"−"}
    .reader-mobile-toc ol{list-style:none;margin:0;padding:2px 0 18px;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 14px}
    .reader-mobile-toc:not([open]) > ol{display:none}
    .reader-mobile-toc[open] > ol{display:grid}
    .reader-mobile-toc a{display:block;padding:8px 0;color:var(--muted);font-size:12px;line-height:1.35}
    .reader-content{max-width:var(--reader-measure);font-family:var(--serif);font-size:var(--reader-font-size);line-height:1.91;color:#2d2824;font-kerning:normal;overflow-wrap:break-word}
    .reader-layout.reader-wide{--reader-measure:800px}
    .reader-note{border-left:3px solid var(--red);background:var(--warm);padding:23px 25px 24px;margin:0 0 58px}
    .reader-note span{display:block;font-family:var(--sans);font-size:9px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:9px}
    .reader-note p{font-size:.96em;line-height:1.72;color:#514840;margin:0;font-style:italic}
    .reading-section{scroll-margin-top:116px;margin:0 0 66px}
    .reader-content .reading-section h2{font-size:clamp(2rem,3.25vw,2.78rem);line-height:1.09;letter-spacing:-.027em;margin:0 0 25px;padding-top:2px;text-wrap:balance}
    .reader-content .reading-section p{margin:0 0 1.34em}
    .principles-list{counter-reset:principle;list-style:none;padding:0;margin:30px 0 34px;display:grid;gap:13px}
    .principles-list li{counter-increment:principle;position:relative;padding:19px 20px 19px 62px;border:1px solid var(--line);background:#fff;font-size:.94em;line-height:1.68}
    .principles-list li::before{content:counter(principle,decimal-leading-zero);position:absolute;left:18px;top:19px;font-family:var(--sans);font-size:10px;font-weight:800;letter-spacing:.08em;color:var(--red)}
    .reference-section{border-top:1px solid var(--line);padding-top:54px}
    .reference-list{list-style:none;padding:0;margin:0;display:grid;gap:0;font-family:var(--sans);font-size:.76em;line-height:1.68;color:var(--muted)}
    .reference-list li{padding:13px 0;border-bottom:1px solid rgba(221,212,202,.72)}
    .reference-list a{color:var(--red);text-decoration:underline;text-underline-offset:3px}
    .concept-callout{border:1px solid var(--line);background:var(--charcoal);color:#fff;padding:28px 30px}
    .concept-callout p{font-family:var(--serif);font-size:1.02em;line-height:1.72;color:#f4eee8;margin:0!important}
    .reader-end{max-width:var(--reader-measure);margin:12px auto 0;padding-top:34px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
    .reader-end p{margin:0;color:var(--muted);font-size:13px}
    .reader-end-actions{display:flex;gap:9px;flex-wrap:wrap}
    .reader-end .button-outline{min-height:43px;padding-inline:18px;font-size:15px}
    @media (max-width:1020px){
      .reader-grid{grid-template-columns:minmax(0,760px);gap:0}.reader-sidebar{display:none}.reader-mobile-toc{display:block}
    }
    @media (max-width:720px){
      :root{--reader-font-size:1.045rem;--reader-measure:100%}
      .reading-article{padding:34px 0 72px}
      .reader-hero{margin-bottom:34px;padding-bottom:30px}
      .reader-series{gap:7px;margin-bottom:20px}.reader-series span{font-size:9px;letter-spacing:.1em}
      .reader-hero h1{font-size:clamp(2.62rem,13vw,4.2rem);line-height:.95;letter-spacing:-.048em;margin-bottom:20px}
      .reader-deck{font-size:1.2rem;line-height:1.42;margin-bottom:23px}
      .reader-thinkers{font-size:9px;line-height:1.6;letter-spacing:.14em;margin-bottom:22px}
      .reader-metadata{grid-template-columns:1fr 1fr}
      .reader-metadata div{padding:12px 11px;border-bottom:1px solid var(--line)}
      .reader-metadata div:nth-child(2){border-right:0}.reader-metadata div:nth-child(3),.reader-metadata div:nth-child(4){border-bottom:0}.reader-metadata div:nth-child(3){padding-left:0}
      .reader-metadata dd{font-size:14px}
      .reader-mobile-toc ol{grid-template-columns:1fr}
      .reader-content{line-height:1.83}
      .reader-note{padding:20px 19px;margin-bottom:43px}
      .reading-section{scroll-margin-top:86px;margin-bottom:52px}
      .reader-content .reading-section h2{font-size:clamp(1.85rem,9vw,2.45rem);line-height:1.08;margin-bottom:21px}
      .reader-content .reading-section p{margin-bottom:1.25em}
      .principles-list li{padding:17px 16px 17px 52px}.principles-list li::before{left:15px;top:18px}
      .concept-callout{padding:23px 21px}
      .reader-end{align-items:stretch}.reader-end-actions{display:grid;width:100%}.reader-end .button-outline{width:100%}
    }
    .preview-banner{padding:10px 20px;background:#191512;color:#fff;text-align:center;font:700 11px/1.4 Arial,sans-serif;letter-spacing:.08em;text-transform:uppercase}
    .article-cover{margin:0 0 42px}.article-cover img{display:block;width:100%;height:auto;max-height:560px;object-fit:cover}
    body.reader-wide{--reader-measure:880px}
    @media print{
      .site-header,.reading-progress,.reader-sidebar,.reader-mobile-toc,.reader-end,.site-footer,.breadcrumb{display:none!important}
      body{background:#fff;color:#000}.reading-article{padding:0}.reader-hero{max-width:none}.reader-grid{display:block}.reader-content{max-width:none;font-size:11pt;line-height:1.55;color:#000}.reading-section{break-inside:auto}.reader-content h2{break-after:avoid}.reader-note,.principles-list li,.concept-callout{break-inside:avoid}
    }