/* Estilos del sitio personal / Personal website styles. */
:root{--bg:#f7f6f2;--paper:#ffffff;--ink:#173033;--text:#314244;--muted:#516764;--teal:#275c5e;--copper:#a85c45;--border:#dce2de;--soft:#ecefeb;--max:1190px;--radius:18px;--shadow:0 15px 35px rgba(24,48,45,.045)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--bg);font-family:Inter,"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,Arial,sans-serif;color:var(--text);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--teal)}a:focus-visible,button:focus-visible{outline:3px solid var(--copper);outline-offset:3px}::selection{background:#cde3dc;color:var(--ink)}.container{max-width:var(--max);padding:0 34px;margin:0 auto}.skip{position:absolute;left:-1000px;top:0;background:var(--ink);color:white;padding:10px;z-index:999}.skip:focus{left:10px;top:10px}.topbar{border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);background:rgba(247,246,242,.94)}.nav{display:flex;align-items:center;justify-content:space-between;min-height:80px;gap:18px}.brand{display:flex;align-items:center;gap:13px;color:var(--ink);font-weight:750;letter-spacing:-.035em;white-space:nowrap}.brand-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;border:1px solid #cddbd7;background:#e7efeb;color:var(--teal);font-size:15px;font-weight:800;letter-spacing:-.08em}.brand-copy{font-size:17px}.nav-links{display:flex;align-items:center;gap:24px}.nav-links>a{font-size:13px;color:#495d5d;font-weight:650}.nav-links>a:hover{color:var(--copper)}.lang-switch{border-left:1px solid var(--border);padding-left:19px;display:flex;gap:10px;align-items:center;font-size:12px;font-weight:750;letter-spacing:.08em}.lang-switch .active{color:var(--copper)}.lang-switch .inactive{color:#526864}.lang-switch .sep{color:#aebbb5}.hero{position:relative;overflow:hidden;padding:95px 0 115px}.hero:after{content:"";position:absolute;bottom:-80px;right:-100px;width:430px;height:430px;border-radius:50%;background:radial-gradient(circle,#e0e9e1 0,transparent 70%);z-index:-1}.hero-grid{display:grid;grid-template-columns:1.07fr .93fr;gap:22px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:11px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;letter-spacing:.11em;text-transform:uppercase;font-weight:700;color:var(--teal)}.eyebrow .dot{width:7px;height:7px;display:inline-block;background:#bd765b;border-radius:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--ink)}h1{font-size:clamp(3.35rem,6.4vw,6.1rem);line-height:1.05;letter-spacing:-.075em;font-weight:770;margin:26px 0}.hero-lead{font-size:clamp(1.15rem,2.1vw,1.43rem);line-height:1.54;max-width:620px;margin:0 0 20px;color:#355255;font-weight:500}.hero-sub{max-width:620px;color:#516764;font-size:1rem;margin:0 0 30px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{min-height:47px;padding:10px 18px;border:1px solid var(--teal);border-radius:9px;display:inline-flex;align-items:center;gap:16px;font-size:14px;font-weight:700;transition:background .2s,color .2s,transform .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:#1b494c;color:white}.btn-outline{background:transparent;color:var(--teal)}.btn-outline:hover{background:#e4eee9}.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:13px;margin-top:34px;color:#526864;font-size:13px}.hero-meta .bullet{color:#b5c0b9}.art{position:relative;display:flex;justify-content:center;align-items:center;min-height:480px}.art:before{content:"";position:absolute;width:85%;height:85%;border-radius:50%;background:#e9eee9;filter:blur(1px);opacity:.65}.art svg{width:100%;height:auto;max-width:510px;position:relative;z-index:1}.art-caption{position:absolute;z-index:2;right:8%;bottom:13%;background:rgba(255,255,255,.86);border:1px solid var(--border);border-radius:10px;padding:11px 15px;box-shadow:var(--shadow);font-size:12px;letter-spacing:.015em;color:var(--muted)}.art-caption strong{color:var(--teal);font-size:12px}.stripe{background:var(--ink);color:#dbe8e5;padding:23px 0}.stripe-inner{display:flex;gap:30px;justify-content:space-between;align-items:center;flex-wrap:wrap}.stripe p{margin:0;font-size:13px;color:#cfdbd8}.stripe strong{color:white;font-weight:700}.section{padding:100px 0}.section-alt{background:#edf0eb}.section-head{display:grid;grid-template-columns:250px 1fr;gap:36px;align-items:start;margin-bottom:39px}.section-index{font:700 12px/1.5 ui-monospace,Consolas,monospace;letter-spacing:.1em;color:var(--copper);text-transform:uppercase;padding-top:11px}h2{font-size:clamp(2.05rem,3.8vw,3.25rem);line-height:1.17;letter-spacing:-.055em;margin:0 0 15px;font-weight:770}.section-intro{font-size:1.06rem;color:#526864;max-width:730px;margin:0}.about-grid{display:grid;grid-template-columns:1.28fr .72fr;gap:34px}.about-copy p{font-size:1.08rem;line-height:1.82;margin:0 0 21px}.about-copy strong{color:var(--ink)}.about-card{background:#fff;border:1px solid var(--border);padding:26px;border-radius:var(--radius);box-shadow:var(--shadow)}.small-label{font:750 11px ui-monospace,Consolas,monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);margin-bottom:19px}.focus-list{list-style:none;margin:0;padding:0}.focus-list li{padding:13px 0;border-bottom:1px solid var(--border);font-size:15px;line-height:1.5;color:#334c4c}.focus-list li:last-child{border-bottom:0}.focus-list span{color:var(--copper);font-family:ui-monospace,monospace;margin-right:12px;font-size:12px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow);min-height:310px}.card .pill{align-self:flex-start;font:700 11px ui-monospace,Consolas,monospace;color:#5a6d6c;text-transform:uppercase;letter-spacing:.07em;border:1px solid var(--border);border-radius:25px;padding:7px 10px}.card h3{font-size:1.48rem;line-height:1.3;letter-spacing:-.035em;margin:10px 0 0}.card p{color:#526864;margin:0;font-size:14px;line-height:1.7}.card footer{margin-top:auto;font-size:12px;color:#526864;border-top:1px solid var(--border);padding-top:17px}.pub-list{padding:0;margin:0;list-style:none;border-top:1px solid var(--border)}.publication{display:grid;grid-template-columns:190px 1fr;gap:24px;border-bottom:1px solid var(--border);padding:29px 0}.pub-meta{display:flex;gap:10px;align-items:flex-start;flex-wrap:wrap}.pub-year{font:750 13px ui-monospace,Consolas,monospace;color:var(--teal);background:#e8efea;border-radius:6px;padding:7px 9px}.pub-tag{font-size:11px;line-height:1.4;border-radius:6px;padding:8px 10px;background:#f1f1ec;color:#526864}.publication h3{font-size:1.16rem;line-height:1.4;font-weight:700;letter-spacing:-.015em;margin:0 0 10px}.publication h3 a{transition:color .2s}.publication h3 a:hover{color:var(--copper)}.pub-arrow{font-weight:400;margin-left:6px;color:var(--copper)}.pub-authors,.pub-source{font-size:13px;line-height:1.6;color:#526864;margin:0 0 5px}.pub-source cite{font-style:italic}.pub-source span:last-child{overflow-wrap:anywhere}.pub-more{text-align:right;margin-top:25px}.text-link{font-size:14px;font-weight:750;color:var(--teal);border-bottom:1px solid #9aadaa;padding-bottom:4px}.text-link:hover{color:var(--copper);border-color:var(--copper)}.timeline{display:grid;grid-template-columns:1fr 1fr;gap:17px}.timeitem{padding:28px;background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);position:relative}.timeitem::before{content:"";position:absolute;width:4px;background:var(--copper);left:0;top:26px;bottom:26px;border-radius:0 5px 5px 0}.timeitem h3{font-size:1.18rem;letter-spacing:-.02em;margin:0 0 9px}.timeitem .year{font:700 11px/1.8 ui-monospace,Consolas,monospace;letter-spacing:.05em;color:var(--copper);margin-bottom:7px}.timeitem p{font-size:14px;color:#627270;margin:0;line-height:1.75}.callout{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:26px 0;display:grid;grid-template-columns:210px 1fr;gap:24px;margin-top:30px}.callout b{color:var(--teal);font-size:14px}.callout p{font-size:15px;margin:0;color:#607270}.contact-section{padding:95px 0 110px;background:var(--ink);color:#d5e3df}.contact-section h2{color:white}.contact-section .section-intro{color:#aebfba}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:42px}.contact-block{padding-top:25px;border-top:1px solid #4a6362}.contact-block h3{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:#98b8af;margin-bottom:10px}.contact-email{font-size:clamp(1.2rem,2.6vw,1.9rem);letter-spacing:-.04em;color:white;font-weight:650;overflow-wrap:anywhere}.contact-note{font-size:13px;color:#a6bcb5;margin-top:8px}.contact-links{display:flex;flex-wrap:wrap;gap:11px}.contact-links a{padding:9px 12px;border:1px solid #54736a;border-radius:8px;font-size:13px;color:#e5f0eb}.contact-links a:hover{background:#385655}.foot{background:#14282b;padding:20px 0;color:#99b4ae}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.foot small{font-size:12px}.foot a{font-size:12px;color:#cbdad6}.foot a:hover{color:white}@media(max-width:970px){.nav-links{gap:14px}.nav-links>a{font-size:12px}.hero{padding:70px 0}.hero-grid{grid-template-columns:1.15fr .85fr}.art{min-height:350px}.section-head{grid-template-columns:160px 1fr}.cards{grid-template-columns:1fr 1fr}.cards .card:last-child{grid-column:1/-1;min-height:215px}.publication{grid-template-columns:140px 1fr}}@media(max-width:700px){.container{padding:0 21px}.nav{min-height:68px}.brand-copy{font-size:14px}.brand-mark{width:34px;height:34px}.nav-links>a:not(.lang-switch a){display:none}.lang-switch{padding-left:0;border:0}.hero{padding:52px 0 55px}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:clamp(3.05rem,12.5vw,4.6rem);margin:18px 0}.art{min-height:260px;max-width:410px;margin:0 auto}.art-caption{bottom:8%;right:3%}.hero-meta{margin-top:27px}.section{padding:65px 0}.section-head{display:block;margin-bottom:30px}.section-index{display:block;margin-bottom:18px}.about-grid,.contact-grid,.timeline{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.cards .card:last-child{grid-column:auto}.card{min-height:0}.publication{grid-template-columns:1fr;gap:8px;padding:25px 0}.pub-meta{align-items:center}.publication h3{font-size:1.1rem}.callout{grid-template-columns:1fr;gap:8px}.contact-section{padding:65px 0 75px}.contact-grid{gap:17px}.stripe-inner{gap:8px}.stripe p{font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}


/* Locally hosted portrait. No external font, image or script is loaded. */
.art{position:relative}
.portrait-frame{position:absolute;z-index:2;width:clamp(108px,30%,158px);aspect-ratio:1;top:4%;right:4%;border:5px solid #fff;border-radius:50%;overflow:hidden;box-shadow:0 16px 36px rgba(17,43,42,.2);background:#f1e9df}
.portrait-frame img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 43%}
@media(max-width:700px){.portrait-frame{width:112px;top:1%;right:3%}}




/* Navigation: compact, keyboard-accessible mobile menu with native HTML details. */
.mobile-menu{display:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.nav-links{gap:clamp(9px,1.4vw,22px)}
.nav-links>a{white-space:nowrap}
@media(max-width:820px){
 html{scroll-padding-top:76px}
 .topbar{backdrop-filter:none}
 .container{padding-left:22px;padding-right:22px}
 .nav{min-height:68px;flex-wrap:nowrap;justify-content:flex-start;gap:14px;padding-top:6px;padding-bottom:6px}
 .nav>.nav-links{display:none !important}
 .mobile-menu{display:block;position:relative;order:0;flex:0 0 auto}
 .nav>.brand{order:1;margin-right:auto;min-width:0;max-width:calc(100% - 65px)}
 .brand-copy{font-size:clamp(13px,3.4vw,16px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 .brand-mark{width:33px;height:33px;flex:none}
 .menu-trigger{list-style:none;cursor:pointer;border:1px solid var(--border);border-radius:11px;width:43px;height:43px;display:flex;align-items:center;justify-content:center;background:#fff;color:var(--ink)}
 .menu-trigger::-webkit-details-marker{display:none}
 .hamburger{display:flex;flex-direction:column;gap:5px;width:19px}
 .hamburger i{display:block;height:2px;width:100%;border-radius:2px;background:var(--ink);transition:transform .18s,opacity .18s}
 .mobile-menu[open] .hamburger i:nth-child(1){transform:translateY(7px) rotate(45deg)}
 .mobile-menu[open] .hamburger i:nth-child(2){opacity:0}
 .mobile-menu[open] .hamburger i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
 .menu-panel{position:absolute;left:0;top:53px;min-width:min(82vw,290px);border-radius:15px;padding:10px;box-shadow:0 18px 45px rgba(25,47,42,.18);background:#fff;border:1px solid var(--border);z-index:100}
 .menu-panel a{display:block;font-size:15px;font-weight:620;padding:11px 13px;border-radius:8px;color:var(--text)}
 .menu-panel a:hover,.menu-panel a:focus-visible{background:var(--soft)}
 .menu-panel .menu-sep{margin:8px 8px;border-top:1px solid var(--border)}
 .menu-panel .menu-lang{font-size:13px;color:var(--teal)}
 .hero{padding-top:65px}
 .hero-grid{gap:8px}
}
@media(min-width:821px) and (max-width:1060px){.nav-links{gap:10px}.nav-links>a{font-size:12px}.brand-copy{font-size:15px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}
/* Supporting pages */
.subhero{padding:66px 0 40px;background:linear-gradient(135deg,#eff1eb,var(--bg));border-bottom:1px solid var(--border)}
.subhero h1{font-size:clamp(2.4rem,5vw,4.5rem);max-width:930px;line-height:1.12;margin:12px 0 18px}
.subhero .intro{font-size:1.18rem;line-height:1.65;max-width:830px}
.prose{max-width:920px;margin:0 auto}
.prose h2{font-size:clamp(1.5rem,3vw,2rem);margin:38px 0 13px;line-height:1.25;letter-spacing:-.035em}
.prose h3{font-size:1.16rem;margin:0 0 8px;letter-spacing:-.01em}
.prose p{margin-bottom:15px}
.prose a:not(.btn),.evidence a,.section-bridge a,.feature-card a{color:var(--teal);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover,.evidence a:hover,.section-bridge a:hover{color:var(--copper)}
.evidence-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:25px 0 35px}
.evidence,.feature-card{border:1px solid var(--border);background:white;border-radius:15px;padding:22px}
.evidence p{margin:8px 0 0}
.evidence .small-label,.feature-card .small-label{font-size:12px;letter-spacing:.08em;color:var(--teal);font-weight:750;text-transform:uppercase}
.evidence .meta{font-size:13px;color:var(--muted);margin-top:8px}
.section-bridge{margin-top:28px;padding:18px 22px;background:#eaf0ed;border-radius:12px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.section-bridge p{margin:0}.section-bridge a{white-space:nowrap;font-weight:750}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:18px 0 34px}
.feature-card h3{font-size:1.15rem;line-height:1.3;margin:12px 0 8px}
.feature-card p{font-size:14px;line-height:1.58;margin:0 0 12px}
.topic-list{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0 22px}
.topic-list span{border:1px solid #d6e0d9;background:#f0f5f0;padding:4px 11px;border-radius:25px;font-size:13px;color:var(--teal)}
.breadcrumb{color:#587271;font-size:14px}.breadcrumb a{text-decoration:underline;text-underline-offset:3px}
@media(max-width:820px){.evidence-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr}.section-bridge{display:block}.section-bridge a{display:inline-block;margin-top:8px}.subhero{padding:35px 0 30px}}

/* Final accessibility and reading improvements. */
.menu-panel{max-height:calc(100dvh - 88px);overflow-y:auto;overscroll-behavior:contain}
@supports not (height:100dvh){.menu-panel{max-height:calc(100vh - 88px)}}
.nav-links a[aria-current="page"],.menu-panel a[aria-current="page"]{color:var(--copper);font-weight:800}
.menu-panel a[aria-current="page"]{background:var(--soft)}
.pub-more{display:flex;justify-content:flex-end;align-items:center;flex-wrap:wrap;gap:22px}
.source-link{display:inline-block;margin-top:10px;font-size:13px;font-weight:700;color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.source-link:hover{color:var(--copper)}
.publication h3 a:hover,.publication h3 a:focus-visible{text-decoration:underline;text-underline-offset:4px}
:target{scroll-margin-top:95px}
@media(max-width:700px){.pub-more{align-items:flex-start;flex-direction:column;gap:14px}.contact-links a{min-height:44px;display:inline-flex;align-items:center}}

/* 2026 redesign: equal priority for light and dark palettes; all assets local. */
:root{color-scheme:light;--surface-alt:#edf0eb;--tag-bg:#e8efea;--header-bg:rgba(247,246,242,.97)}
:root[data-theme="dark"]{color-scheme:dark;--bg:#0e191c;--paper:#19282c;--ink:#e8f1ee;--text:#c8d8d4;--muted:#b5cac4;--teal:#8cd3c7;--copper:#efb099;--border:#385052;--soft:#25383b;--surface-alt:#122125;--tag-bg:#274043;--header-bg:rgba(14,25,28,.97);--shadow:0 18px 46px rgba(0,0,0,.14)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]):not([data-theme="dark"]){color-scheme:dark;--bg:#0e191c;--paper:#19282c;--ink:#e8f1ee;--text:#c8d8d4;--muted:#b5cac4;--teal:#8cd3c7;--copper:#efb099;--border:#385052;--soft:#25383b;--surface-alt:#122125;--tag-bg:#274043;--header-bg:rgba(14,25,28,.97)}}
.topbar{background:var(--header-bg)}
.section-alt{background:var(--surface-alt)}
.about-card,.card,.feature-card,.timeitem{background:var(--paper)}
.about-copy p,.focus-list li,.card p,.card footer,.pub-authors,.pub-source,.timeitem p,.callout p,.section-intro,.hero-sub,.hero-meta,.hero-lead{color:var(--muted)}
.hero-lead{color:var(--text)}
.nav-links>a{color:var(--text)}
.card .pill,.pub-tag{color:var(--muted)}
.pub-year{background:var(--tag-bg);color:var(--teal)}
.pub-tag{background:var(--soft)}
.menu-trigger{background:var(--paper);color:var(--ink)}
.brand-mark{background:var(--soft);border-color:var(--border);color:var(--teal)}
.focus-list li{color:var(--text)}
.btn-primary{color:#fff}
:root[data-theme="dark"] .btn-primary{background:#78c3b8;color:#0c1c1e;border-color:#78c3b8}
:root[data-theme="dark"] .btn-primary:hover{background:#a5e0d5;color:#0c1c1e}
:root[data-theme="dark"] .btn-outline:hover{background:#20383a}
:root[data-theme="dark"] .hero:after{background:radial-gradient(circle,#193134 0,transparent 70%)}
:root[data-theme="dark"] .art:before{background:#1a3031}
:root[data-theme="dark"] .stripe{background:#183035}
:root[data-theme="dark"] .stripe p{color:#c6d9d5}
:root[data-theme="dark"] .stripe strong{color:#f2f8f7}
:root[data-theme="dark"] .contact-section{background:#0b1518}
:root[data-theme="dark"] .foot{background:#091115}
:root[data-theme="dark"] .contact-section .section-intro{color:#c0d2cc}
:root[data-theme="dark"] .art-caption{background:transparent;border:0;color:#bed3ce}
:root[data-theme="dark"] .art-caption strong{color:#8cd3c7}
:root[data-theme="dark"] .portrait-frame{border-color:#3b5759;background:#284046}
:root[data-theme="dark"] .text-link{color:var(--teal)}
:root[data-theme="dark"] .contact-links a{color:#e6f2ee}
:root[data-theme="dark"] .contact-note a{color:#8cd3c7}
:root[data-theme="dark"] .menu-panel{background:var(--paper);border-color:var(--border)}
:root[data-theme="dark"] .menu-panel a{color:var(--text)}
:root[data-theme="dark"] .menu-panel a:hover{background:var(--soft)}
.theme-toggle{border:1px solid var(--border);background:var(--paper);color:var(--ink);border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;cursor:pointer;transition:background .2s,transform .2s}
.theme-toggle:hover{background:var(--soft);transform:translateY(-1px)}
.theme-toggle .theme-symbol{font-size:22px;line-height:1}
.theme-sun{display:none}
:root[data-theme="dark"] .theme-sun{display:inline}
:root[data-theme="dark"] .theme-moon{display:none}
.nav{gap:12px}.nav-links{gap:clamp(10px,1.4vw,19px);margin-left:auto}
@media(max-width:820px){.nav>.theme-toggle{order:2;margin-left:0}.nav>.brand{max-width:calc(100% - 112px)}.theme-toggle{width:42px;height:42px}}
@media(max-width:360px){.brand-copy{font-size:12px}}
.art{isolation:isolate}.art svg{overflow:visible;max-width:510px;filter:drop-shadow(0 24px 30px rgba(24,54,51,.07))}
.art:before{width:87%;height:87%;background:radial-gradient(circle at 40% 40%,#e5efea 0%,#e6eeea 50%,transparent 71%);opacity:.85}
.geom-ring{stroke:#a2beb7}.geom-grid{stroke:#bed1ca;opacity:.43}
.geom-plane{fill:rgba(84,157,151,.13);stroke:#4b8882}
.geom-axes{stroke:#799995}.geom-vector{stroke:#b66c50}.geom-projection{stroke:#246b69}.geom-drop{stroke:#b77761}
.geom-orthogonal{stroke:#b77761}.geom-origin{fill:#24494a}.geom-vector-dot{fill:#b66c50;stroke:#f5f6f1;stroke-width:2}.geom-proj-dot{fill:#246b69;stroke:#f5f6f1;stroke-width:2}.geom-proj-halo{stroke:#5a9b92;opacity:.7}.geom-label{fill:#547771}.geom-vlabel{fill:#a5553e}.geom-plabel{fill:#226666}.geom-slabel{fill:#356e69}
:root[data-theme="dark"] .geom-ring{stroke:#41605c}
:root[data-theme="dark"] .geom-grid{stroke:#4e7371;opacity:.42}
:root[data-theme="dark"] .geom-plane{fill:rgba(88,166,154,.12);stroke:#82c4b8}
:root[data-theme="dark"] .geom-axes{stroke:#628c87}
:root[data-theme="dark"] .geom-vector{stroke:#efad90}
:root[data-theme="dark"] .geom-projection{stroke:#91d9ca}
:root[data-theme="dark"] .geom-drop,:root[data-theme="dark"] .geom-orthogonal{stroke:#e6a78b}
:root[data-theme="dark"] .geom-origin{fill:#b9d7cf}
:root[data-theme="dark"] .geom-vector-dot{fill:#e6a78b;stroke:#163033}
:root[data-theme="dark"] .geom-proj-dot{fill:#87d0c1;stroke:#163033}
:root[data-theme="dark"] .geom-proj-halo{stroke:#87d0c1}
:root[data-theme="dark"] .geom-label{fill:#b0c9c4}
:root[data-theme="dark"] .geom-vlabel{fill:#ebb399}
:root[data-theme="dark"] .geom-plabel{fill:#97ddcd}
:root[data-theme="dark"] .geom-slabel{fill:#9bcec3}
.art-caption{bottom:-22px;right:7%;background:transparent;border:0;box-shadow:none;max-width:235px;line-height:1.5;text-align:right}
.art-caption strong{font-size:12px}
.subhero{background:linear-gradient(135deg,var(--surface-alt),var(--bg))}
.evidence,.feature-card{background:var(--paper)}
.section-bridge{background:var(--soft)}
.topic-list span{background:var(--soft);border-color:var(--border);color:var(--teal)}
.breadcrumb,.evidence .meta{color:var(--muted)}
:root[data-theme="dark"] .subhero{background:linear-gradient(135deg,#213638,var(--bg))}
:root[data-theme="dark"] .prose a, :root[data-theme="dark"] .evidence a, :root[data-theme="dark"] .feature-card a{color:#90d8c9}
.explore-strip{background:var(--paper);border-bottom:1px solid var(--border)}
.explore-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding-top:21px;padding-bottom:21px;gap:12px}
.explore-item{display:flex;align-items:start;gap:10px;border:1px solid var(--border);background:var(--bg);padding:17px 15px;border-radius:14px;transition:transform .16s,border-color .16s,background .16s;min-width:0}
.explore-item:hover,.explore-item:focus-visible{transform:translateY(-2px);border-color:var(--teal);background:var(--soft)}
.explore-num{font:700 11px/2 ui-monospace,monospace;color:var(--copper);margin-top:1px}
.explore-copy{display:flex;flex-direction:column;gap:3px;flex:1;min-width:0}
.explore-copy strong{font-size:13px;letter-spacing:-.015em;color:var(--ink);line-height:1.3}
.explore-copy small{font-size:11px;color:var(--muted);line-height:1.5}
.explore-arrow{font-size:15px;color:var(--teal)}
.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.card.research-focus-card{min-height:300px}
.card.research-focus-card .card-action{margin-top:2px;border-bottom:1px solid var(--border);padding-bottom:6px;align-self:flex-start;color:var(--teal);font-size:13px;font-weight:700}
.card.research-focus-card .card-action:hover{color:var(--copper)}
.card.research-focus-card h3{font-size:1.32rem}
.card.research-focus-card footer{margin-top:auto}
@media(max-width:970px){.explore-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.cards .card:last-child{grid-column:auto;min-height:300px}}
@media(max-width:700px){.explore-grid{padding-top:15px;padding-bottom:15px;gap:10px}.explore-item{padding:14px 11px}.explore-copy strong{font-size:12px}.explore-copy small{display:none}.explore-arrow{font-size:13px}.cards{grid-template-columns:1fr}.card.research-focus-card,.cards .card:last-child{min-height:0}.art-caption{bottom:-18px;right:3%;font-size:11px;max-width:205px}.portrait-frame{z-index:3}}
@media(max-width:420px){.explore-grid{grid-template-columns:1fr 1fr}.explore-item{min-height:64px}}