:root{--navy:#081521;--cyan:#63e3e7;--ink:#132e40;--muted:#536573;--line:#d7e1e7;--paper:#f6f9fb}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:85px}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:white;font-size:17px;line-height:1.6}a{color:inherit;text-decoration:none}button,select,textarea{font:inherit}button,a,summary,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #00a8bd;outline-offset:5px}.skip{position:fixed;top:-100px;z-index:10;background:white;padding:12px}.skip:focus{top:5px}header{height:88px;padding:0 6%;display:flex;justify-content:space-between;align-items:center;background:var(--navy);color:white;border-bottom:1px solid #ffffff19;position:relative;z-index:5}.brand{font-weight:700;letter-spacing:.2em;font-size:23px;display:flex;gap:14px;align-items:center}.brand-symbol{display:grid;place-items:center;color:var(--cyan);border:1px solid #63e3e76b;font-size:23px;width:35px;height:39px;font-weight:400;letter-spacing:0}nav{display:flex;gap:27px;align-items:center;font-size:14px}nav>a:hover{color:var(--cyan)}.nav-cta{padding:10px 17px;border:1px solid #ffffff70;border-radius:4px}.menu-toggle{display:none}.hero{min-height:740px;background:var(--navy);color:white;position:relative;overflow:hidden;padding:86px 6% 30px;display:flex;flex-direction:column;justify-content:space-between}.hero-art{position:absolute;inset:0;background-image:linear-gradient(90deg,#081521 0%,#081521dd 29%,#08152105 67%),url('hero.webp');background-position:center,right center;background-size:cover;opacity:.9}.hero-content,.hero-bottom{position:relative}.eyebrow{color:var(--cyan);font-size:12px;letter-spacing:.17em;font-weight:700;margin:0 0 24px}.eyebrow.dark{color:#00727d}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(55px,6.7vw,100px);line-height:1.04;font-weight:400;letter-spacing:-.055em;margin-bottom:28px}h1 em{font-style:normal;color:var(--cyan)}.hero-desc{max-width:545px;color:#c2d0da;font-size:19px;line-height:1.7}.hero-actions{display:flex;gap:28px;align-items:center;margin-top:36px}.button{display:inline-flex;justify-content:center;padding:15px 24px;border-radius:4px;border:0;font-size:15px;font-weight:700}.primary{background:var(--cyan);color:#062632;transition:background .2s,transform .2s}.primary:hover{background:#a2f1f2;transform:translateY(-2px)}.text-link{font-size:15px;border-bottom:1px solid #9cb2c4;padding-bottom:3px}.hero-bottom{display:flex;justify-content:space-between;align-items:end;margin-top:70px;font-size:14px;color:#9db4c5}.hero-caption{font-size:11px;letter-spacing:.14em}.section{padding:96px 7%;scroll-margin-top:0}h2{font-size:clamp(36px,4vw,59px);line-height:1.12;letter-spacing:-.04em;font-weight:400;margin-bottom:28px}h3{line-height:1.24;letter-spacing:-.02em}.intro-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:11%}.subtle{color:#82929d}.lead{font-size:24px;line-height:1.4;color:var(--ink)}.intro-grid p:not(.lead){color:var(--muted)}.principle{border-left:2px solid #1a999f;padding:4px 0 4px 22px;margin-top:30px;display:grid;gap:10px}.principle span{font-size:13px;color:var(--muted)}.principle strong{font-size:19px;line-height:1.4;font-weight:400}.services{background:var(--paper)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:60px;margin-bottom:45px}.section-head>p{max-width:340px;color:var(--muted);margin-bottom:30px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.service{padding:32px 24px 20px;border-right:1px solid var(--line);display:flex;flex-direction:column}.service:first-child{padding-left:0}.service:last-child{border:0;padding-right:0}.service-num{font-family:monospace;color:#007c88;margin-bottom:32px;font-size:14px}.service h3{font-size:27px;font-weight:400;min-height:66px}.service p{font-size:15px;color:var(--muted)}.service ul{padding:0;list-style:none;font-size:14px;flex:1}.service li{padding:8px 0;border-bottom:1px solid #e4eaee}.deliverable{font-size:14px;line-height:1.5;padding-top:20px}.deliverable span{display:block;font-size:10px;letter-spacing:.13em;color:#00747f;margin-bottom:8px}.method{background:var(--navy);color:white}.method .section-head>p{color:#aec1cf}.method-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:12%}.method-list article{display:flex;gap:27px;border-top:1px solid #ffffff25;padding:24px 0 10px}.method-list article>span{color:var(--cyan);font-family:monospace;font-size:15px;padding-top:3px}.method-list h3{font-size:23px;font-weight:400;margin:0 0 10px}.method-list p{color:#a6bdcb;font-size:16px}.evidence-card{background:#102738;border:1px solid #295568;border-radius:5px;padding:35px;height:fit-content;margin-top:10px}.evidence-card>div{padding:22px 0;border-bottom:1px solid #ffffff20}.layer-label{font-size:11px;letter-spacing:.17em;color:var(--cyan)}.evidence-card h3{font-weight:400;font-size:24px;margin:12px 0 7px}.evidence-card p{font-size:15px;color:#bdd0dc;margin-bottom:0}.evidence-card .card-note{font-size:13px;padding-top:24px}.sector-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}.sector-buttons button{border:1px solid var(--line);border-radius:40px;background:white;padding:11px 21px;font-size:14px;color:var(--ink)}.sector-buttons button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}.sector-content{display:grid;grid-template-columns:1.15fr 1fr;gap:10%;padding:45px;background:#edf5f7;border-radius:5px}.sector-content h3{font-size:34px;font-weight:400}.sector-content p{color:var(--muted)}.sector-evidence{border-left:1px solid #bfd4dc;padding-left:35px}.sector-evidence>span{font-size:11px;letter-spacing:.1em;color:#00747f;font-weight:700}.sector-evidence p{font-size:16px;margin-top:10px;margin-bottom:27px}.fine{font-size:12px;color:var(--muted);margin-top:18px}.about{display:grid;grid-template-columns:1fr 1fr;gap:12%;border-top:1px solid var(--line)}.about p{color:var(--muted)}.about-right article{margin-bottom:35px}.about h3{font-size:21px;font-weight:400}.pilot{border-top:1px solid var(--line);padding-top:27px}.pilot strong{display:block;font-size:25px;margin:10px 0}.pilot p{font-size:15px}.diagnostic{background:#0b2936;color:white}.diagnostic .section-head>p{color:#b6cbd6}.diagnostic-grid{display:grid;grid-template-columns:1fr 1fr;gap:7%}form{display:flex;flex-direction:column}label{font-size:14px;margin:0 0 8px}label span{color:#b6cbd6}select,textarea{width:100%;padding:13px;background:#153b48;border:1px solid #537480;border-radius:4px;color:white;margin-bottom:23px;font-size:16px}textarea::placeholder{color:#a6bfca}textarea{resize:vertical}select option{background:#153b48}form button{align-self:start}.brief-result{border:1px solid #5d818e;padding:32px;border-radius:4px}.brief-result h3{font-size:32px;font-weight:400}.brief-result p{color:#c3d5df}.brief-result dt{font-size:12px;color:var(--cyan);margin:22px 0 7px}.brief-result dd{margin:0;font-size:16px}.download{background:transparent;border:0;border-bottom:1px solid var(--cyan);color:var(--cyan);padding:8px 0;font-size:14px;margin-top:14px}.brief-result .fine{font-size:12px;color:#a7c1ce}.faq{max-width:1100px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:21px 0}.faq summary{cursor:pointer;font-size:19px;list-style:none;position:relative;padding-right:40px}.faq summary::after{content:'+';position:absolute;right:5px;color:#00818b}.faq details[open] summary::after{content:'−'}.faq details p{padding-top:18px;max-width:780px;color:var(--muted);font-size:16px;margin-bottom:0}footer{background:var(--navy);color:white;padding:50px 7%}footer>p{color:#b6cbd6;margin:20px 0 35px}footer>div{display:flex;justify-content:space-between;font-size:12px;color:#96aebf;border-top:1px solid #ffffff26;padding-top:24px}@media(min-width:1600px){.section,header,.hero,footer{padding-left:max(7%,calc((100vw - 1380px)/2));padding-right:max(7%,calc((100vw - 1380px)/2))}}@media(max-width:1050px){nav{gap:15px}.service-grid{grid-template-columns:1fr 1fr;gap:30px}.service,.service:first-child,.service:last-child{padding:25px;border:1px solid var(--line)}.service-grid{border:0}.method-layout{gap:6%}.hero-art{opacity:.5}.hero-desc{max-width:500px}}@media(max-width:720px){header{height:75px}.brand{font-size:19px}.menu-toggle{display:block;border:1px solid #6d8799;background:none;color:white;padding:7px 12px;border-radius:3px;font-size:14px}nav{display:none;position:absolute;top:75px;left:0;right:0;padding:25px;background:var(--navy);flex-direction:column;align-items:stretch;border-bottom:1px solid #415261}nav.open{display:flex}.hero{min-height:690px;padding-top:70px}.hero-art{background-position:center,right center;opacity:.4}.hero-content{max-width:100%}h1{font-size:clamp(48px,10vw,72px)}.hero-desc{font-size:17px}.hero-actions{gap:20px;flex-wrap:wrap}.hero-bottom{margin-top:55px}.hero-caption{display:none}.section{padding:65px 6%}.intro-grid,.method-layout,.sector-content,.about,.diagnostic-grid{grid-template-columns:1fr;gap:30px}.section-head{display:block;margin-bottom:25px}.section-head>p{max-width:none}.service-grid{gap:16px;grid-template-columns:1fr}.service h3{min-height:0}.service-num{margin-bottom:16px}.service p{font-size:16px}.service ul{font-size:15px}.sector-content{padding:25px}.sector-content h3{font-size:29px}.sector-evidence{border-left:0;border-top:1px solid #bfd4dc;padding:25px 0 0}.sector-buttons{gap:8px}.sector-buttons button{font-size:13px;padding:9px 14px}.evidence-card{padding:25px}.brief-result{padding:25px}footer>div{gap:15px;flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Shared theme surfaces keep both modes consistent across all sections. */
:root{--surface:#fff;--surface-alt:#f0f6f8;--text:#132e40;--secondary:#465f70;--accent:#006773;--border:#c5d5de;--field:#fff;--art-opacity:.14}
:root[data-theme=dark]{--surface:#081521;--surface-alt:#102738;--text:#e8f0f5;--secondary:#b4c8d6;--accent:#63e3e7;--border:#365566;--field:#153b48;--art-opacity:.65;--ink:#e8f0f5;--muted:#b4c8d6;--paper:#102738;--line:#365566}
body,header,.hero,.method,.diagnostic,footer{background:var(--surface);color:var(--text)}
.services,.sector-content,.evidence-card,.brief-result{background:var(--surface-alt)}
header,.service,.service-grid,.service li,.method-list article,.evidence-card,.evidence-card>div,.sector-evidence,.brief-result,footer>div,.nav-cta{border-color:var(--border)}
.hero-art{opacity:var(--art-opacity)}
:root[data-theme=light] .hero-art{background-image:linear-gradient(90deg,#f6f9fb 0%,#f6f9fb88 45%,transparent 100%),url('hero.webp')}
.hero-desc,.hero-bottom,.section-head>p,.intro-grid p:not(.lead),.service p,.method .section-head>p,.method-list p,.evidence-card p,.sector-content p,.about p,.diagnostic .section-head>p,.brief-result p,.brief-result .fine,.faq details p,footer>p,footer>div,.fine,label span{color:var(--secondary)}
.eyebrow,.eyebrow.dark,.layer-label,.service-num,.deliverable span,.sector-evidence>span,.brief-result dt,.method-list article>span,h1 em,.brand-symbol,.download{color:var(--accent)}
.lead{color:var(--text)}.subtle{color:var(--secondary)}
.sector-buttons button,select,textarea,select option{background:var(--field);color:var(--text);border-color:var(--border)}
.sector-buttons button[aria-pressed=true]{background:var(--accent);color:var(--surface);border-color:var(--accent)}
textarea::placeholder{color:var(--secondary)}
.theme-toggle,.menu-toggle{background:var(--surface-alt);color:var(--text);border:1px solid var(--border);border-radius:4px;padding:8px 12px;font-size:13px;white-space:nowrap}
.theme-toggle{margin-left:auto;margin-right:20px}.text-link,.download{border-color:var(--accent)}
nav>a:hover{color:var(--accent)}
@media(max-width:1050px){header{padding-left:4%;padding-right:4%}nav{gap:12px}.theme-toggle{margin-right:12px;padding:8px}header .brand{font-size:19px}}
@media(max-width:720px){header{gap:8px}header .brand{font-size:16px;gap:8px;letter-spacing:.12em}.theme-toggle{margin-right:0;font-size:12px}.menu-toggle{font-size:12px}nav{background:var(--surface);border-color:var(--border)}.hero-art{opacity:var(--art-opacity)}}

/* Editorial corporate rhythm and an accessible research flow. */
header{border-bottom:1px solid var(--border)}
.philosophy{border-top:1px solid var(--border);background:var(--surface-alt)}
.principles-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:48px}
.principles-grid article{border-top:1px solid var(--border);padding-top:24px}
.principles-grid article>span{font-size:11px;letter-spacing:.14em;color:var(--accent)}
.principles-grid h3{font-size:29px;font-weight:400;margin:20px 0 16px}
.principles-grid p,.philosophy-note{font-size:15px;color:var(--secondary)}
.philosophy-note{margin:36px 0 0;max-width:740px}
.service{border-top:1px solid var(--border)}
.method-list article{position:relative;padding-bottom:24px}
.method-list article>span{display:grid;place-items:center;flex-shrink:0;width:36px;height:36px;border:1px solid var(--border);border-radius:50%;font-size:12px;padding:0}
.method-list article:not(:nth-of-type(7))::after{content:'↓';position:absolute;bottom:0;left:13px;color:var(--accent);font-size:16px}
.research-loop{border-left:2px solid var(--accent);padding:14px 20px;font-size:14px;color:var(--secondary);margin:28px 0 0}
.method-outcome{border:1px solid var(--border);background:var(--surface-alt);padding:36px 40px;margin-top:52px}
.method-outcome .eyebrow{display:block;margin-bottom:16px}
.method-outcome h3{font-size:clamp(25px,3vw,37px);font-weight:400;margin-bottom:18px}
.method-outcome p{color:var(--secondary);max-width:930px;margin-bottom:0}
@media(max-width:1050px){.principles-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.principles-grid{grid-template-columns:1fr;gap:18px}.method-outcome{padding:25px}.method-list article{gap:16px}}

/* Approved original logo: retain its artwork and dark backing in both themes. */
.brand-symbol.original-mark{background:#050e1a url('noetilum-logo.webp') 50% 34%/300% auto no-repeat;border:0;border-radius:4px;width:40px;height:44px;flex-shrink:0}
.identity-logo{display:block;width:100%;max-width:460px;height:auto;border-radius:6px;margin:0 0 32px;border:1px solid var(--border)}
.footer-logo{display:block;width:240px;max-width:100%;height:auto;border-radius:4px}
@media(max-width:720px){.brand-symbol.original-mark{width:32px;height:36px}}

.operations-flow{max-width:1000px;margin:0 auto}.flow-node{border:1px solid var(--border);background:var(--surface-alt);padding:28px 34px;border-radius:8px}.flow-step{font-size:11px;font-weight:700;letter-spacing:.13em;color:var(--accent)}.flow-node h3{font-size:26px;font-weight:400;margin:12px 0}.flow-node p{color:var(--secondary);margin-bottom:0;font-size:16px}.flow-node p+p{margin-top:12px}.flow-arrow{text-align:center;font-size:32px;color:var(--accent);line-height:1.5}.flow-sources{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:22px}.flow-sources>div{border-top:2px solid var(--accent);padding-top:15px}.flow-sources strong{font-size:15px}.flow-sources p{font-size:14px;margin-top:8px}.flow-node .flow-caption{font-size:13px;margin-top:20px}.ai-node{border:2px solid var(--accent)}.flow-decision{margin:20px auto 0;max-width:420px;padding:23px;text-align:center;border:2px solid var(--accent);border-radius:50px;background:var(--surface-alt)}.flow-branches{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:22px 0}.flow-return{border-left:2px dashed var(--accent);padding:10px 18px;font-size:14px;color:var(--secondary)}.flow-return b,.flow-continue b{color:var(--accent)}.flow-return span{font-size:13px}.flow-continue{align-self:center;text-align:center;font-size:14px}.flow-continue b{display:block;font-size:20px}.flow-feedback{display:flex;gap:24px;margin-top:26px;border:1px dashed var(--accent);border-radius:6px;padding:24px;color:var(--secondary);font-size:14px}.flow-feedback strong{color:var(--accent);min-width:190px}.physical-ai{border-bottom:1px solid var(--border)}.physical-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.physical-grid article{padding:24px;border:1px solid var(--border);background:var(--surface-alt)}.physical-grid span{font-size:11px;letter-spacing:.12em;color:var(--accent)}.physical-grid h3{font-size:23px;font-weight:400;margin-top:20px}.physical-grid p,.physical-cases p{font-size:15px;color:var(--secondary)}.physical-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:40px}.physical-cases h3{font-size:20px;font-weight:400}.physical-cases article{border-top:2px solid var(--accent);padding-top:24px}@media(max-width:1050px){.physical-grid{grid-template-columns:1fr 1fr}}@media(max-width:720px){.flow-node{padding:22px}.flow-node h3{font-size:23px}.flow-sources,.physical-grid,.physical-cases{grid-template-columns:1fr}.flow-feedback{flex-direction:column;gap:10px}.flow-branches{gap:10px}.flow-return{padding-left:12px}.flow-decision{font-size:15px}.physical-grid article{padding:22px}}

/* N monogram from the supplied navy/gold reference, with live text. */
.brand-mark{width:40px;height:44px;flex:0 0 auto;display:block;color:var(--text)}
.brand-copy{display:flex;flex-direction:column;gap:3px;line-height:1.2}
.brand-name{font-size:23px;font-weight:700;letter-spacing:.18em}
.brand-descriptor{font-size:8px;letter-spacing:.06em;font-weight:400;color:var(--secondary)}
.identity-lockup{display:flex;align-items:center;gap:24px;margin-bottom:40px}
.identity-lockup .brand-mark{width:80px;height:86px}.identity-lockup .brand-name{font-size:clamp(23px,2.5vw,34px)}.identity-lockup .brand-descriptor{font-size:10px;letter-spacing:.025em}
footer .brand-mark{width:52px;height:56px}
.theme-toggle{display:grid;place-items:center;width:42px;height:42px;min-width:42px;padding:9px;border-radius:50%;color:#bb9557}
.theme-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle:hover{border-color:#bb9557;background:var(--surface-alt)}
@media(max-width:1050px){header .brand-name{font-size:19px}header .brand-descriptor{font-size:7px}}
@media(max-width:720px){header .brand{gap:8px}header .brand-mark{width:28px;height:32px}header .brand-name{font-size:16px;letter-spacing:.12em}header .brand-descriptor{display:none}.theme-toggle{width:40px;height:40px;min-width:40px;padding:8px}.identity-lockup{gap:16px}.identity-lockup .brand-mark{width:52px;height:56px}.identity-lockup .brand-name{font-size:23px}.identity-lockup .brand-descriptor{font-size:8px}}

.science,.research-projects,.ethics{background:var(--surface-alt)}
.science-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.science-grid article{border-top:2px solid var(--accent);padding-top:22px}.science-grid article>span,.project-grid article>span{font-size:11px;letter-spacing:.12em;color:var(--accent);font-weight:700}.science-grid h3{font-size:27px;font-weight:400;margin:17px 0}.science-grid p,.technical-details p,.intelligence-note p,.collaboration-lead,.collaboration-invite>p,.project-grid p,.project-grid dd,.ethics p{color:var(--secondary);font-size:16px}.science-output{border-top:1px solid var(--border);padding-top:18px;font-size:14px!important}.technical-details{border:1px solid var(--border);border-radius:6px;padding:24px;margin-top:38px}.technical-details summary{cursor:pointer;color:var(--text);font-size:18px}.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:30px}.tech-grid h3{font-size:20px;font-weight:400}.technical-details>p{font-size:14px;margin:20px 0 0}.intelligence-note{border-left:2px solid #bb9557;padding:10px 28px;margin-top:38px}.intelligence-note p{margin:12px 0 0}.evidence-chain{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0 0 40px;gap:12px}.evidence-chain li{font-size:13px;border:1px solid var(--border);padding:9px 13px;border-radius:5px;color:var(--text)}.evidence-chain li:not(:last-child)::after{content:' →';color:var(--accent);margin-left:10px}.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.project-grid article{padding:34px;background:var(--surface);border:1px solid var(--border);border-radius:6px}.project-grid h3{font-size:30px;font-weight:400;margin:18px 0}.project-grid dt{font-size:12px;font-weight:700;color:var(--accent);margin-top:20px}.project-grid dd{margin:7px 0 0}.project-grid .text-link{display:inline-block;margin-top:20px}.collaboration-lead{max-width:980px;font-size:20px;margin-bottom:40px}.collaboration-invite{padding:32px;margin-top:40px;border:1px solid var(--border);background:var(--surface-alt)}.collaboration-invite h3{font-size:27px;font-weight:400}.collaboration-invite .fine{font-size:12px;margin-bottom:0}.ethics .principles-grid h3{font-size:23px}.ethics .principles-grid{margin-top:0}
@media(max-width:1050px){header .brand-descriptor{display:none}nav{gap:12px;font-size:13px}.science-grid{gap:20px}.project-grid article{padding:26px}}
@media(max-width:720px){.science-grid,.tech-grid,.project-grid{grid-template-columns:1fr}.science-grid{gap:30px}.technical-details{padding:20px}.project-grid article,.collaboration-invite{padding:24px}.collaboration-lead{font-size:18px}.evidence-chain{gap:8px}.evidence-chain li{font-size:12px;padding:7px 9px}}

.contact{background:var(--surface-alt);border-top:1px solid var(--border)}.contact>p:not(.eyebrow){color:var(--secondary)}.contact-email{display:inline-block;color:var(--accent);font-size:clamp(24px,4vw,45px);line-height:1.3;letter-spacing:-.025em;border-bottom:1px solid var(--accent);padding-bottom:8px;overflow-wrap:anywhere}

/* Actualización científica de identidad */
.hero-proof{color:var(--text);font-size:15px;line-height:1.6;max-width:550px;margin:20px 0 0}.hero-actions{margin-top:28px}.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:720px){.service-grid{grid-template-columns:1fr}.hero-proof{font-size:14px}}