/* NeutronOS public system: tokens, foundations, shared components, pages, responsive behavior. */
@font-face{font-family:Noto Sans;src:url('/static/fonts/NotoSans-Regular.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:Noto Sans;src:url('/static/fonts/NotoSans-Bold.woff2') format('woff2');font-style:normal;font-weight:700;font-display:swap}
@font-face{font-family:Noto Mono;src:url('/static/fonts/NotoSansMono-Regular.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
:root{
  color-scheme:light;
  --paper:#d9d6cc;--paper-2:#c9c7bd;--paper-3:#b6b5aa;--ink:#151713;--graphite:#292c26;--muted:#555a52;--line:rgba(16,18,15,.17);--line-dark:rgba(244,245,239,.22);--accent:#91452b;--accent-light:#d99877;
  --font-body:'Noto Sans',Arial,sans-serif;--font-display:'Noto Sans',Arial,sans-serif;--font-mono:'Noto Mono',monospace;
  --text-meta:clamp(.66rem,.7vw,.76rem);--text-small:clamp(.84rem,.85vw,.98rem);--text-body:clamp(1rem,1.05vw,1.16rem);--text-lead:clamp(1.35rem,2.15vw,2.3rem);--text-section:clamp(3.2rem,6.8vw,7.7rem);
  --gutter:clamp(1.25rem,4.15vw,5.7rem);--max-width:160rem;--section-space:clamp(5.5rem,11vw,12rem);--radius:2px;--ease:cubic-bezier(.2,.72,.15,1);--fast:180ms;--medium:420ms;--z-header:30;--z-menu:35;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5.5rem}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:var(--text-body);line-height:1.55;overflow-x:clip}
body.menu-open{overflow:hidden}
::selection{background:var(--accent);color:#fff}
img,svg,video{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
p,h1,h2,h3,figure{margin-block:0}
h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.02;letter-spacing:-.065em}
p{max-width:70ch}
ul,ol{margin:0;padding:0}
[x-cloak]{display:none!important}
.page-gutter{padding-inline:var(--gutter)}
.section-space{padding-block:var(--section-space)}
.eyebrow,.meta,.row-meta,.row-index,.row-status,.journal-index,.journal-read,.metadata-grid span,.back-link,.availability{font-family:var(--font-mono);font-size:var(--text-meta);font-weight:400;letter-spacing:.055em;text-transform:uppercase;line-height:1.5}
.eyebrow{display:inline-block;color:var(--accent)}
.eyebrow.light{color:var(--accent-light)}
.meta{color:var(--muted)}
em{font-style:normal;color:var(--accent)}
.text-link{display:inline-flex;align-items:center;justify-content:space-between;gap:2.25rem;width:max-content;max-width:100%;padding-block:.45rem;border-bottom:1px solid currentColor;font-size:var(--text-small);font-weight:700;transition:color var(--fast),gap var(--medium) var(--ease)}
.text-link:hover{gap:2.75rem;color:var(--accent)}
.text-link.quiet{font-weight:400;color:var(--muted)}
.text-link.light-link{color:var(--paper)}
.text-link.light-link:hover{color:var(--accent-light)}
.accent-mark{color:var(--accent)}
.skip-link{position:fixed;z-index:100;inset:1rem auto auto 1rem;background:var(--ink);color:#fff;padding:.7rem 1rem;transform:translateY(-200%)}
.skip-link:focus{transform:none}

/* Header and navigation */
.site-header{position:sticky;top:0;z-index:var(--z-header);background:rgba(217,214,204,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.header-inner{height:4.8rem;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:2rem}
.brand{display:inline-flex;align-items:center;gap:.7rem;width:max-content;font-size:.9rem;font-weight:700;letter-spacing:-.04em}
.brand-mark{display:grid;place-items:center;position:relative;border:1px solid var(--ink);width:2rem;height:2rem;font-size:1.1rem;line-height:1}
.brand-point{position:absolute;right:-.2rem;top:-.5rem;color:var(--accent);font-size:1.4rem}
.desktop-nav{display:flex;align-items:center;gap:clamp(1.2rem,2.3vw,3.2rem)}
.desktop-nav a,.header-contact{font-size:.82rem;font-weight:700;transition:color var(--fast)}
.desktop-nav a:hover,.header-contact:hover{color:var(--accent)}
.header-contact{justify-self:end;display:flex;gap:1.8rem;align-items:center;border-bottom:1px solid var(--ink);padding-block:.35rem}
.menu-toggle{display:none;border:0;background:none;width:2.8rem;height:2.8rem;padding:.7rem}
.menu-toggle span{display:block;width:100%;height:1px;background:var(--ink);margin-block:.35rem;transition:transform var(--fast)}
.mobile-nav{position:fixed;z-index:var(--z-menu);inset:4.8rem 0 0;min-height:calc(100dvh - 4.8rem);background:var(--ink);color:var(--paper);padding:var(--gutter);overflow-y:auto}
.mobile-nav-top{display:flex;justify-content:space-between;align-items:center;gap:1rem}
.mobile-nav-top .meta{color:var(--paper-3)}
.mobile-close{background:none;border:0;color:var(--paper);font-size:.9rem;padding:.55rem 0}
.mobile-close span{font-size:1.6rem;vertical-align:middle;padding-left:.6rem}
.mobile-nav-links{margin-top:clamp(2rem,6vh,4rem)}
.mobile-nav-links a{display:flex;align-items:baseline;gap:1rem;padding:.22em 0;border-bottom:1px solid var(--line-dark);font-size:clamp(2.7rem,9vw,5rem);font-weight:700;line-height:1.05;letter-spacing:-.07em}
.mobile-nav-links a span{font-family:var(--font-mono);font-size:.7rem;letter-spacing:0;color:var(--accent-light)}
.mobile-nav-foot{font-family:var(--font-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;margin-top:3rem}

/* Home / Hero */
.hero{min-height:calc(100svh - 4.8rem);display:flex;flex-direction:column;padding-top:1.5rem;padding-bottom:1.4rem}
.hero-topline{display:flex;justify-content:space-between;gap:1rem;color:var(--muted)}
.hero-wordmark{width:max-content;max-width:100%;font-size:clamp(3.2rem,12.25vw,15.5rem);line-height:.98;letter-spacing:-.105em;white-space:nowrap;margin:.06em 0 .08em -.075em;font-weight:700}
.hero-period{color:var(--accent)}
.hero-bottom{display:grid;grid-template-columns:minmax(17rem,.82fr) minmax(0,1.18fr);gap:clamp(2rem,4vw,5rem);align-items:stretch;flex:1;min-height:25rem}
.hero-statement{display:flex;flex-direction:column;justify-content:end;align-items:flex-start;padding-bottom:clamp(2rem,5vw,5rem)}
.hero-statement p{font-size:clamp(1.6rem,2.8vw,3.8rem);font-weight:700;letter-spacing:-.065em;line-height:1.16;margin:1.1rem 0 2rem}
.scroll-cue{display:flex;justify-content:space-between;width:100%;padding-top:1.3rem}

/* Thesis and section headings */
.section-rail{display:flex;align-items:start;gap:2rem}
.rail-line{height:1px;background:var(--line);flex:1;margin-top:.6rem}
.thesis{display:grid;grid-template-columns:1fr 3fr;gap:clamp(2rem,5vw,6rem);border-top:1px solid var(--line)}
.thesis .section-rail{display:block}.thesis .rail-line{display:block;margin-top:1.4rem}
.thesis h2{font-size:clamp(2.6rem,5.2vw,6.4rem);max-width:15ch}
.thesis-bottom{display:flex;gap:3rem;align-items:end;justify-content:space-between;margin-top:clamp(3rem,5vw,6rem)}
.thesis-bottom p{font-size:var(--text-lead);line-height:1.42;letter-spacing:-.04em;max-width:34ch}
.section-heading{margin-bottom:clamp(3rem,6vw,6.5rem)}
.section-heading h2{font-size:var(--text-section);margin-top:1.3rem}
.section-heading-split{display:grid;grid-template-columns:1.4fr .6fr;gap:2rem;align-items:end}
.section-heading-split p{max-width:31rem;color:var(--muted);padding-bottom:.4rem}
.section-more{margin-top:2.7rem}

/* Wings and operating cycle */
.wings{padding-bottom:0}
.wings-grid{display:grid;grid-template-columns:1fr 1fr}
.wing{min-height:clamp(35rem,50vw,48rem);padding:clamp(2rem,4.2vw,5.5rem) var(--gutter);display:flex;flex-direction:column;justify-content:space-between}
.wing-research{background:var(--ink);color:var(--paper)}.wing-service{background:var(--paper-2);color:var(--ink)}
.wing-head{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:var(--text-meta)}.wing-symbol{font-size:2rem;line-height:1}
.wing h3{font-size:clamp(4rem,8vw,9.5rem);margin:.3rem 0 1.4rem}.wing-dot{color:var(--accent)}
.wing p{font-size:var(--text-lead);letter-spacing:-.035em;line-height:1.35;max-width:23ch}
.tag-list{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:2rem;list-style:none}
.tag-list li{border-top:1px solid currentColor;padding-top:.35rem;margin-right:1rem;font-family:var(--font-mono);font-size:var(--text-meta);text-transform:uppercase;opacity:.75}
.wing-link{display:flex;justify-content:space-between;align-items:center;max-width:19rem;border-top:1px solid currentColor;padding-top:.85rem;margin-top:3rem;font-weight:700;font-size:var(--text-small)}
.wing-link:hover{color:var(--accent-light)}
.wings-caption{display:flex;gap:2rem;align-items:baseline;padding-block:1.25rem;border-bottom:1px solid var(--line);font-size:var(--text-small)}
.loop-copy{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(16rem,.8fr);align-items:end;gap:clamp(2rem,7vw,8rem);margin-top:clamp(2rem,5vw,5rem)}
.loop-copy h2{font-size:clamp(3.5rem,7vw,8rem);line-height:.94}
.loop-copy p{max-width:38ch;color:var(--muted);font-size:var(--text-lead);line-height:1.45}
.loop-copy .text-link{grid-column:2}
@media(max-width:850px){.loop-copy{grid-template-columns:1fr;gap:1.5rem}.loop-copy .text-link{grid-column:1}}

/* Field, products, image treatments */
.products-section{background:var(--paper)}
.product-list,.products-index{border-top:1px solid var(--line)}
.product-feature{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,5vw,7rem);padding-block:clamp(2.4rem,5vw,5rem);border-bottom:1px solid var(--line)}
.product-feature-copy{display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.product-feature h3{font-size:clamp(3.25rem,5.7vw,7rem);margin:1.2rem 0 2rem;max-width:12ch}
.product-feature p{max-width:35rem;font-size:var(--text-lead);letter-spacing:-.04em;line-height:1.4}
.inline-actions{display:flex;flex-wrap:wrap;gap:1.2rem 2rem;margin-top:2.5rem}

/* Research and journal lists */
.research-section{background:var(--paper-2)}
.research-list{border-top:1px solid var(--ink)}
.research-row{display:grid;grid-template-columns:3rem minmax(0,1fr) 9rem 1rem;gap:clamp(1rem,3vw,4rem);align-items:start;padding:clamp(1.5rem,3vw,3rem) 0;border-bottom:1px solid var(--line);transition:padding-inline var(--medium) var(--ease),background var(--medium)}
.research-row:hover{padding-inline:1rem;background:rgba(255,255,255,.3)}
.row-index,.row-status{color:var(--muted)}.row-status{text-align:right}
.row-main{display:flex;flex-direction:column;gap:.8rem}.row-meta{color:var(--accent)}.row-meta span{color:var(--muted)}
.row-main strong{font-size:clamp(1.8rem,2.9vw,3.6rem);font-weight:700;line-height:1.1;letter-spacing:-.06em;max-width:22ch}
.row-summary{font-size:var(--text-small);color:var(--muted);max-width:55ch}.row-arrow{font-size:1.25rem;line-height:1}
.journal-section{background:var(--paper)}
.journal-intro{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem 5rem;align-items:end;margin-bottom:clamp(3rem,5vw,6rem)}
.journal-intro .eyebrow{grid-column:1/-1}.journal-intro h2{font-size:var(--text-section);grid-row:2/4}.journal-intro p{color:var(--muted);max-width:28rem}.journal-intro .text-link{grid-column:2}
.journal-row{display:grid;grid-template-columns:2rem 1fr auto;gap:1rem 2rem;padding:clamp(1.5rem,2.4vw,2.7rem) 0;border-bottom:1px solid var(--line);align-items:start}
.journal-row:first-child{border-top:1px solid var(--line)}
.journal-row:hover strong{color:var(--accent)}
.journal-index{color:var(--muted)}.journal-copy{display:flex;flex-direction:column;gap:.7rem}.journal-copy strong{font-size:clamp(1.45rem,2vw,2.5rem);line-height:1.1;letter-spacing:-.05em;transition:color var(--fast)}.journal-copy>span:last-child{color:var(--muted);font-size:var(--text-small)}.journal-read{white-space:nowrap;color:var(--muted)}

/* Wider organization and closing */
.company-section h2{font-size:clamp(3.8rem,7.5vw,9.5rem);margin-top:2rem}.company-bottom{display:flex;align-items:end;justify-content:space-between;gap:2rem;margin-top:clamp(3rem,8vw,9rem);padding-top:1.5rem;border-top:1px solid var(--line)}.company-bottom p{font-size:var(--text-lead);line-height:1.4;letter-spacing:-.04em;max-width:35ch}
.contact-band{background:var(--accent);color:#fff;padding-block:clamp(4rem,7vw,8rem);display:grid;grid-template-columns:1fr 2fr;gap:1rem 5rem}.contact-band .eyebrow{color:#f7ddd0}.contact-band h2{font-size:clamp(3.3rem,6.5vw,7.5rem)}.contact-band h2 em{color:#f5d9c8}.contact-band p{font-size:var(--text-lead);line-height:1.4;letter-spacing:-.04em;margin-top:1.7rem}.contact-actions{grid-column:2;display:flex;gap:2rem;align-items:center;flex-wrap:wrap;margin-top:2.5rem}.button-light{display:inline-flex;justify-content:space-between;gap:3rem;background:var(--paper-2);color:var(--ink);padding:1rem 1.25rem;min-height:3rem;font-size:var(--text-small);font-weight:700;transition:background var(--fast)}.button-light:hover{background:var(--paper-2)}
.site-footer{background:var(--ink);color:var(--paper);padding-top:clamp(4rem,7vw,8rem)}
.footer-top{display:grid;grid-template-columns:1fr 1fr;gap:3rem}.footer-top p{font-size:var(--text-lead);line-height:1.3;letter-spacing:-.04em;margin-top:1rem}.footer-top nav{display:flex;justify-content:space-between;max-width:28rem;width:100%;margin-left:auto;gap:3rem}.footer-top nav div{display:flex;flex-direction:column;gap:.8rem}.footer-top nav a{font-size:var(--text-small)}.footer-top nav a:hover{color:var(--accent-light)}
.footer-wordmark{font-size:clamp(3rem,12.3vw,15rem);font-weight:700;line-height:1;letter-spacing:-.105em;margin:clamp(5rem,10vw,11rem) 0 1.7rem;white-space:nowrap;overflow:hidden}
.footer-bottom{border-top:1px solid var(--line-dark);padding-block:1rem 2rem;display:flex;justify-content:space-between;gap:1rem;font-family:var(--font-mono);font-size:var(--text-meta);text-transform:uppercase;letter-spacing:.04em;color:#c3c4bc}.footer-bottom a:hover{color:var(--accent-light)}

/* Interior pages */
.interior-main{min-height:55vh}
.page-hero{padding-block:clamp(4rem,7vw,8rem) clamp(3rem,5vw,6rem);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(4.5rem,11.4vw,14rem);margin:clamp(1.4rem,3vw,3rem) 0;overflow-wrap:anywhere}
.page-hero-bottom{display:flex;justify-content:space-between;align-items:end;gap:2rem}.page-hero-bottom p{font-size:var(--text-lead);line-height:1.3;letter-spacing:-.04em;max-width:33ch}.page-hero-bottom .meta{text-align:right}
.index-intro{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,8rem);padding-block:clamp(4rem,8vw,9rem);border-bottom:1px solid var(--line)}.index-intro h2{font-size:clamp(2.8rem,5vw,5.9rem);max-width:15ch}.index-intro p{font-size:var(--text-lead);letter-spacing:-.04em;line-height:1.45;max-width:30ch;align-self:end}
.index-list{padding-block:clamp(4rem,7vw,8rem)}.index-list-head{display:flex;justify-content:space-between;align-items:start;gap:2rem;margin-bottom:2rem}.category-guide{display:flex;flex-wrap:wrap;gap:.8rem 1.3rem;font-family:var(--font-mono);font-size:var(--text-meta);text-transform:uppercase;color:var(--muted)}.category-guide span:first-child{color:var(--ink);border-bottom:1px solid var(--ink)}
.editorial-notice{font-family:var(--font-mono);font-size:var(--text-meta);text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.page-end-cta{padding-block:clamp(5rem,9vw,10rem);border-top:1px solid var(--line)}.page-end-cta h2{font-size:clamp(2.8rem,5.4vw,6.7rem);max-width:15ch;margin:1.5rem 0 2.5rem}.page-end-cta p{font-size:var(--text-lead);line-height:1.4;letter-spacing:-.04em;margin-bottom:2rem}
.products-index{border-top:0;padding-block:clamp(4rem,7vw,8rem)}.products-index .index-list-head{padding-bottom:1rem;border-bottom:1px solid var(--ink);margin-bottom:0}
.detail-hero .back-link{display:block;margin-bottom:2.5rem}
.detail-two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,7vw,10rem);border-top:1px solid var(--line)}.detail-two-col h2{font-size:clamp(3rem,5vw,6rem);margin-top:1.5rem}.detail-two-col p{font-size:var(--text-lead);line-height:1.42;letter-spacing:-.04em}.detail-list{list-style:none;border-top:1px solid var(--line);margin-block:2rem}.detail-list li{border-bottom:1px solid var(--line);padding-block:.7rem;font-family:var(--font-mono);font-size:var(--text-small)}
.industry-index{padding-top:0}.industry-feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,6rem);align-items:center;border-top:1px solid var(--ink);padding-top:clamp(2rem,4vw,5rem)}.industry-feature h2{font-size:clamp(3rem,5.5vw,7rem);margin:1.5rem 0}.industry-feature h2 span{color:var(--accent);font-size:.5em;vertical-align:top}.industry-feature p{font-size:var(--text-lead);line-height:1.4;letter-spacing:-.04em}
.featured-note{display:grid;grid-template-columns:minmax(0,.65fr) minmax(0,1.35fr);gap:clamp(2rem,6vw,8rem);padding:clamp(2rem,4vw,4rem) 0;border-block:1px solid var(--ink)}
.featured-note>div:first-child{display:flex;flex-direction:column;align-items:flex-start;gap:.8rem}
.featured-note>a{display:flex;flex-direction:column;align-items:flex-start}
.featured-note h2{font-size:clamp(3.2rem,6vw,7rem);margin:1.1rem 0;line-height:1}
.featured-note p{font-size:var(--text-lead);line-height:1.4;letter-spacing:-.04em;max-width:32ch;margin-bottom:1.8rem}
.journal-latest-head{margin-top:clamp(5rem,8vw,9rem);border-bottom:1px solid var(--ink);padding-bottom:1.2rem}.journal-index-list{display:grid;grid-template-columns:1fr 1fr;gap:0 3rem}.journal-index-list .journal-row:nth-child(2){border-top:1px solid var(--line)}
/* Long-form reading system */
.reading-header{padding-block:clamp(3rem,6vw,7rem);border-bottom:1px solid var(--line)}.back-link{display:inline-block;color:var(--muted);margin-bottom:clamp(2rem,4vw,5rem);border-bottom:1px solid var(--line)}.back-link:hover{color:var(--accent)}
.reading-header h1{font-size:clamp(3.4rem,7vw,8.5rem);max-width:15ch;margin:1.5rem 0}.reading-deck{font-size:var(--text-lead);letter-spacing:-.04em;line-height:1.4;max-width:48ch}
.metadata-grid{display:flex;flex-wrap:wrap;gap:1.5rem clamp(2rem,4vw,5rem);margin-top:clamp(3rem,6vw,6rem);padding-top:1.2rem;border-top:1px solid var(--line)}.metadata-grid div{display:flex;flex-direction:column;gap:.3rem}.metadata-grid span{color:var(--muted)}.metadata-grid strong{font-weight:400;font-size:var(--text-small)}
.reading-body{max-width:76ch;margin-inline:auto;padding:clamp(3.5rem,6vw,7rem) var(--gutter);font-size:clamp(1.05rem,1.25vw,1.25rem);line-height:1.75}.reading-body>*+*{margin-top:1.45em}.reading-body h2{font-size:clamp(2.1rem,3vw,3.5rem);margin-top:2.3em;line-height:1.1}.reading-body h3{font-size:clamp(1.6rem,2.2vw,2.4rem);margin-top:2em}.reading-body a{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:.18em}.reading-body .lead-paragraph{font-size:var(--text-lead);line-height:1.45;letter-spacing:-.04em}.reading-note{border-left:2px solid var(--accent);padding:.8rem 1.2rem;background:var(--paper-2);font-family:var(--font-mono);font-size:var(--text-meta);line-height:1.6;text-transform:uppercase}.reading-body blockquote{margin-inline:0;padding:1rem 0 1rem 2rem;border-left:2px solid var(--accent);font-size:var(--text-lead);line-height:1.4;letter-spacing:-.04em}.reading-body blockquote p{margin:0}.reading-body pre{overflow:auto;background:var(--ink);color:var(--paper);padding:1.3rem;font-family:var(--font-mono);font-size:.82rem;line-height:1.6}.reading-body code{font-family:var(--font-mono)}
.table-scroll{overflow-x:auto}.reading-body table{width:100%;border-collapse:collapse;font-size:var(--text-small);line-height:1.5;text-align:left}.reading-body caption{text-align:left;font-family:var(--font-mono);font-size:var(--text-meta);text-transform:uppercase;margin-bottom:.5rem}.reading-body th,.reading-body td{border-top:1px solid var(--line);padding:.8rem 1rem .8rem 0}.reading-body th{font-weight:700}.reading-footer{border-top:1px solid var(--line);padding-block:2rem 5rem}
/* About and contact */
.about-thesis h2{font-size:clamp(3.4rem,6vw,7rem);max-width:15ch;margin:1.5rem 0 3rem}.about-thesis p{font-size:var(--text-lead);line-height:1.42;letter-spacing:-.04em;max-width:44ch;margin-left:auto}
.about-method{display:grid;grid-template-columns:1fr 1fr;gap:4rem;background:var(--paper-2)}.about-method h2{font-size:clamp(3.5rem,6vw,7rem);margin-top:1.5rem}.about-method p{font-size:var(--text-lead);line-height:1.4;letter-spacing:-.04em;margin-bottom:1.5rem}.principle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:3rem}.principle-grid>div{border-top:1px solid var(--ink);padding-top:1rem}.principle-grid span{font-family:var(--font-mono);font-size:var(--text-meta);color:var(--accent)}.principle-grid h3{font-size:clamp(1.6rem,2.3vw,2.7rem);margin:2.5rem 0 1rem}.principle-grid p{font-size:var(--text-small);color:var(--muted)}.about-neutronos{background:var(--ink);color:var(--paper)}.about-neutronos h2{font-size:clamp(3.6rem,7vw,8.5rem);margin:1.5rem 0 3rem}.about-neutronos p{font-size:var(--text-lead);line-height:1.4;letter-spacing:-.04em;max-width:38ch;margin-left:auto;color:var(--paper-3)}
.contact-page{display:grid;grid-template-columns:1fr 1fr;gap:clamp(3rem,7vw,9rem)}.contact-page h2{font-size:clamp(3rem,5vw,6rem);margin:1.5rem 0 2rem}.contact-page p{font-size:var(--text-lead);line-height:1.4;letter-spacing:-.04em}.contact-options>div{border-top:1px solid var(--ink);padding:1.5rem 0 3rem}.contact-options h3{font-size:clamp(1.9rem,3vw,3.2rem);margin:1rem 0}.contact-options p{font-size:var(--text-body);color:var(--muted)}.availability{display:inline-block;margin-top:2rem;color:var(--accent);border-bottom:1px solid var(--accent)}

/* Responsive composition */
@media(max-width:1100px){.desktop-nav{gap:1.2rem}.header-inner{gap:1rem}.hero-bottom{grid-template-columns:.72fr 1.28fr}.hero-statement p{font-size:clamp(1.5rem,3vw,3rem)}.section-heading-split{grid-template-columns:1fr 1fr}.product-feature{grid-template-columns:1fr 1fr}}
@media(max-width:850px){.desktop-nav,.header-contact{display:none}.header-inner{grid-template-columns:1fr auto}.menu-toggle{display:block}.hero{min-height:auto}.hero-topline span:nth-child(2){display:none}.hero-bottom{grid-template-columns:1fr;gap:2rem}.hero-statement{padding:1rem 0;order:2}.hero-wordmark{font-size:12.1vw}.thesis{grid-template-columns:1fr}.thesis .rail-line{display:none}.thesis-bottom{align-items:start}.wings-grid{grid-template-columns:1fr 1fr}.wing{min-height:34rem}.wing h3{font-size:clamp(3rem,7vw,5rem)}.wing p{font-size:clamp(1.1rem,2vw,1.4rem)}.about-method,.contact-page{grid-template-columns:1fr}.contact-band{grid-template-columns:1fr}.contact-actions{grid-column:1}.principle-grid{grid-template-columns:1fr 1fr}.product-feature{grid-template-columns:1fr}.journal-index-list{grid-template-columns:1fr}.journal-index-list .journal-row:nth-child(2){border-top:0}}
@media(max-width:600px){:root{--gutter:1.25rem;--section-space:5.25rem}.header-inner{height:4.25rem}.mobile-nav{top:4.25rem;min-height:calc(100dvh - 4.25rem)}.brand-name{font-size:.82rem}.hero{padding-top:1.2rem}.hero-topline{font-size:.62rem}.hero-wordmark{font-size:12.6vw;letter-spacing:-.11em;margin-top:.4em;margin-bottom:.35em}.hero-statement p{font-size:clamp(1.8rem,7vw,3rem)}.scroll-cue{margin-top:2rem}.thesis h2{font-size:clamp(2.7rem,10vw,4rem)}.thesis-bottom{flex-direction:column;margin-top:2.5rem;gap:1.5rem}.section-heading h2{font-size:clamp(3.3rem,11vw,5rem)}.section-heading-split{grid-template-columns:1fr;gap:1.5rem}.wings-grid{grid-template-columns:1fr}.wing{min-height:34rem;padding:2.2rem var(--gutter)}.wing h3{font-size:clamp(4rem,17vw,6rem)}.wing p{font-size:1.4rem}.wings-caption{display:block}.wings-caption .eyebrow{display:block;margin-bottom:.5rem}.product-feature p,.company-bottom p,.contact-band p{font-size:1.35rem}.field-topics{gap:.8rem 1rem}.product-feature h3{font-size:clamp(3.2rem,13vw,5rem)}.research-row{grid-template-columns:1.5rem 1fr 1rem;gap:.8rem}.row-status{grid-column:2;grid-row:2;text-align:left}.row-arrow{grid-column:3;grid-row:1}.row-main strong{font-size:clamp(1.8rem,7.5vw,3rem)}.journal-intro{grid-template-columns:1fr}.journal-intro .eyebrow,.journal-intro h2,.journal-intro .text-link{grid-column:1;grid-row:auto}.journal-intro h2{font-size:clamp(3.3rem,11vw,5rem)}.journal-row{grid-template-columns:1.5rem 1fr;gap:1rem}.journal-read{grid-column:2}.company-section h2{font-size:clamp(3.5rem,11vw,5rem)}.company-bottom{display:block}.company-bottom .text-link{margin-top:2rem}.contact-band h2{font-size:clamp(3.3rem,11vw,5rem)}.contact-actions{align-items:flex-start;flex-direction:column}.footer-top{grid-template-columns:1fr}.footer-top nav{margin-left:0}.footer-wordmark{font-size:12.4vw}.footer-bottom{flex-direction:column}.page-hero h1{font-size:clamp(4rem,13vw,6.5rem)}.page-hero-bottom,.index-intro,.detail-two-col,.industry-feature{display:block}.page-hero-bottom .meta{display:block;text-align:left;margin-top:2rem}.index-intro p{margin-top:2rem}.index-list-head{display:block}.category-guide{margin-top:1.5rem}.reading-header h1{font-size:clamp(3rem,10vw,5rem)}.reading-body{padding-inline:var(--gutter)}.metadata-grid{display:grid;grid-template-columns:1fr 1fr}.about-thesis p,.about-neutronos p{margin-left:0}.principle-grid{grid-template-columns:1fr 1fr}.contact-options{margin-top:3rem}}
@media(max-width:390px){.hero-topline .hero-coordinates{display:none}.mobile-nav-links a{font-size:2.6rem}.journal-row{gap:.7rem}.principle-grid{grid-template-columns:1fr}}
html.motion-off{scroll-behavior:auto}
@media(max-width:600px){.contact-band h2{font-size:clamp(2.65rem,10vw,4rem);overflow-wrap:anywhere}.contact-band>*{min-width:0}}
.related-research{padding-block:clamp(3rem,6vw,7rem);border-top:1px solid var(--line)}.related-research h2{font-size:clamp(2.4rem,4vw,4.5rem);margin:1rem 0 2rem}.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.related-grid a{border-top:1px solid var(--ink);padding-top:1rem;display:flex;flex-direction:column;align-items:flex-start;gap:1rem}.related-grid a strong{font-size:clamp(1.5rem,2.4vw,2.8rem);letter-spacing:-.05em;line-height:1.15}.related-grid a>span:last-child{color:var(--accent)}.reading-body sup{font-family:var(--font-mono);font-size:.65em;margin-left:.1em}.reading-body .footnotes{border-top:1px solid var(--line);padding:1rem 0 0 1.5rem;font-size:var(--text-small)}.reading-body .footnotes li{padding-left:.3rem}@media(max-width:600px){.related-grid{grid-template-columns:1fr}}
.noscript-nav{display:none}@media(max-width:850px){.noscript-nav{display:flex;flex-wrap:wrap;gap:.6rem 1.2rem;padding-block:.8rem;border-top:1px solid var(--line);font-size:var(--text-small)}}

/* Systems disclosure: product organizations remain one grouped navigation item. */
.systems-menu{position:relative;display:flex;align-items:center}
.systems-menu__trigger{display:inline-flex;align-items:center;gap:.45rem;border:0;padding:.5rem 0;background:transparent;color:inherit;font:700 .82rem/1.2 var(--font-body);white-space:nowrap;transition:color var(--fast)}
.systems-menu__trigger:hover,.systems-menu__trigger[aria-expanded="true"]{color:var(--accent)}
.systems-menu__trigger>span{font-size:1rem;transition:transform var(--fast)}
.systems-menu__trigger[aria-expanded="true"]>span{transform:rotate(180deg)}
.systems-menu__panel{position:absolute;top:calc(100% + .65rem);left:50%;z-index:var(--z-menu);width:min(48rem,calc(100vw - 2*var(--gutter)));display:grid;grid-template-columns:1fr 1fr;gap:1.5rem 3rem;padding:1.7rem 1.8rem 1.2rem;transform:translateX(-33%);border:1px solid var(--line);background:var(--paper);color:var(--ink);box-shadow:0 18px 38px rgba(21,23,19,.12)}
.systems-menu__panel::before{content:"";position:absolute;left:0;right:0;top:-.7rem;height:.7rem}
.systems-menu__group{display:flex;min-width:0;flex-direction:column;align-items:flex-start;gap:.62rem}
.systems-menu__group .eyebrow{font-size:.62rem}
.systems-menu__title{display:flex;align-items:center;gap:.5rem;margin-top:.25rem;font-size:1.55rem;font-weight:700;letter-spacing:-.055em;line-height:1.1}
.systems-menu__title span,.systems-menu__group>a:not(.systems-menu__title) span{color:var(--accent);font-size:.85em}
.systems-menu__description{min-height:1.5em;color:var(--muted);font-size:.75rem}
.systems-menu__group>a:not(.systems-menu__title){display:flex;align-items:center;gap:.3rem;width:100%;border-top:1px solid var(--line);padding-top:.6rem;font-size:.82rem;transition:color var(--fast)}
.systems-menu__group>a:hover,.systems-menu__title:hover{color:var(--accent)}
.systems-menu__all{grid-column:1/-1;display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:.8rem;font-size:.75rem;font-weight:700}
.systems-menu__all:hover{color:var(--accent)}
.mobile-nav-system-toggle{display:flex;align-items:center;gap:1rem;width:100%;border:0;border-bottom:1px solid var(--line-dark);padding:.22em 0;background:transparent;color:var(--paper);font-size:clamp(2.7rem,9vw,5rem);font-weight:700;line-height:1.05;letter-spacing:-.07em;text-align:left}
.mobile-nav-system-toggle>span:first-child{font:var(--text-meta) var(--font-mono);letter-spacing:0;color:var(--accent-light)}
.mobile-nav-system-toggle__icon{margin-left:auto;font-size:.65em;font-weight:400}
.mobile-nav-system-links{display:grid;gap:0;padding:.25rem 0 .8rem 2.4rem;border-bottom:1px solid var(--line-dark)}
.mobile-nav-system-links a{display:flex;align-items:baseline;gap:.8rem;border:0;padding:.5rem 0;color:rgba(239,239,226,.8);font-size:clamp(1.1rem,4.5vw,1.45rem);font-weight:400;line-height:1.3;letter-spacing:-.025em}
.mobile-nav-system-links a span{min-width:2rem;color:var(--accent-light);font:var(--text-meta) var(--font-mono)}
.mobile-nav-links> a{display:flex;align-items:baseline;gap:1rem;padding:.22em 0;border-bottom:1px solid var(--line-dark);font-size:clamp(2.7rem,9vw,5rem);font-weight:700;line-height:1.05;letter-spacing:-.07em}
.mobile-nav-links> a span{font:var(--text-meta) var(--font-mono);letter-spacing:0;color:var(--accent-light)}
@media(max-width:1100px){.desktop-nav{gap:clamp(.8rem,1.35vw,1.4rem)}.systems-menu__panel{position:fixed;top:calc(4.8rem + .65rem);left:var(--gutter);right:var(--gutter);width:auto;transform:none}}
@media(max-width:850px){.systems-menu__panel{display:none}}
html.motion-off .systems-menu__trigger>span{transition:none}
@media(max-width:600px){.featured-note{grid-template-columns:1fr;gap:2rem}.featured-note h2{font-size:clamp(2.4rem,10vw,3.5rem)}}

/* Local product screenshots: real public interfaces, never synthetic UI. */
.product-feature{align-items:center}
.product-feature-copy{min-width:0}
.product-media-frame{position:relative;min-width:0;aspect-ratio:1.44;margin:0;overflow:hidden;background:#e9e8e2}
.product-media-frame img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform 700ms var(--ease)}
.product-feature:hover .product-media-frame img,.product-feature:focus-within .product-media-frame img{transform:scale(1.015)}
.product-media-frame figcaption{position:absolute;inset:auto 0 0;display:flex;justify-content:space-between;gap:1rem;padding:.8rem 1rem;background:rgba(21,23,19,.9);color:var(--paper);font:var(--text-meta)/1.45 var(--font-mono);letter-spacing:.04em;text-transform:uppercase}
.product-feature__meta{display:flex;flex-direction:column;gap:.55rem}
.product-feature__status{color:var(--muted);font:var(--text-meta)/1.5 var(--font-mono);letter-spacing:.04em;text-transform:uppercase}
@media(max-width:600px){.product-media-frame{aspect-ratio:1.15}.product-media-frame figcaption{flex-direction:column;gap:.2rem}.product-feature:nth-child(even) .product-media-frame{order:-1}}
html.motion-off .product-media-frame img{transition:none}
.brand-mark{display:inline-block;width:auto;height:auto;border:0;border-right:1px solid var(--ink);padding-right:.7rem;font-family:var(--font-mono);font-size:.85rem;line-height:1.2;letter-spacing:-.05em}
.product-feature>*,.industry-feature>*{min-height:0;width:100%}

/* Industry index: editorial text and status, with no fabricated system illustration. */
.industry-feature{display:grid;grid-template-columns:.35fr 1.3fr auto;align-items:center;gap:clamp(1rem,4vw,5rem);border-block:1px solid var(--ink);padding:clamp(2rem,5vw,5rem) 0}
.industry-number{font:clamp(4rem,9vw,10rem)/.9 var(--font-mono);letter-spacing:-.1em;color:var(--accent)}
.industry-copy{display:flex;flex-direction:column;align-items:flex-start;gap:1rem}
.industry-copy strong{font-size:clamp(3rem,6vw,7rem);line-height:1;letter-spacing:-.07em}
.industry-copy strong span{font-size:.5em;color:var(--accent);vertical-align:top}
.industry-copy>span:last-child{max-width:38ch;font-size:var(--text-lead);line-height:1.4;letter-spacing:-.035em;color:var(--muted)}
.industry-action{display:flex;gap:1.5rem;white-space:nowrap;border-bottom:1px solid var(--ink);padding:.5rem 0;font-size:var(--text-small);font-weight:700}
@media(max-width:850px){.industry-feature{grid-template-columns:.25fr 1fr}.industry-action{grid-column:2}}
@media(max-width:600px){.industry-feature{grid-template-columns:1fr;gap:1.3rem}.industry-number{font-size:5rem}.industry-action{grid-column:1}}

/* NeutronOS hierarchy and capability narrative */
.desktop-nav{gap:clamp(.8rem,1.6vw,2rem)}
.header-inner{grid-template-columns:auto minmax(0,1fr) auto;gap:clamp(1.25rem,3vw,3rem)}
.desktop-nav{justify-content:center}
.desktop-nav a{white-space:nowrap}
.footer-top nav{max-width:38rem}
.footer-nav-label{color:var(--accent-light);font:var(--text-meta)/1.5 var(--font-mono);letter-spacing:.055em;text-transform:uppercase;margin-bottom:.4rem}

.parent-hero .hero-bottom{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr)}
.parent-hero .hero-statement p{font-size:clamp(1.9rem,3.25vw,4.2rem)}
.parent-hero-index{align-self:stretch;border-top:1px solid var(--ink);display:flex;flex-direction:column}
.parent-hero-index__head{display:flex;justify-content:space-between;gap:1.5rem;padding:1rem 0 1.5rem}
.parent-hero-index__row{display:grid;grid-template-columns:8.5rem minmax(0,1fr);gap:.2rem 1rem;align-items:baseline;padding:clamp(1.15rem,2vw,2rem) 0;border-top:1px solid var(--line)}
.parent-hero-index__row>span,.parent-hero-index__row small{font:var(--text-meta)/1.5 var(--font-mono);letter-spacing:.035em;text-transform:uppercase;color:var(--muted)}
.parent-hero-index__row>span{color:var(--accent)}
.parent-hero-index__row strong{font-size:clamp(1.5rem,2.25vw,2.8rem);line-height:1.12;letter-spacing:-.055em}
.parent-hero-index__row small{grid-column:2}

.parent-units{background:var(--paper-2)}
.parent-unit{border-top:1px solid var(--ink);padding:clamp(1.5rem,3vw,3rem) 0 clamp(2.5rem,5vw,5rem)}
.parent-unit:last-child{border-bottom:1px solid var(--ink)}
.parent-unit__index{display:flex;justify-content:space-between;gap:1rem;color:var(--muted);font:var(--text-meta)/1.5 var(--font-mono);letter-spacing:.04em;text-transform:uppercase}
.parent-unit__index .status-current{color:var(--accent)}
.parent-unit__body{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(2rem,5vw,7rem);align-items:end;margin-top:clamp(2.5rem,5vw,5rem)}
.parent-unit h3{font-size:clamp(3.5rem,6.4vw,8.5rem);margin:.5rem 0 0;overflow-wrap:anywhere}
.parent-unit p{font-size:var(--text-lead);line-height:1.38;letter-spacing:-.04em;max-width:39ch}
.parent-unit .text-link{margin-top:2rem}

.parent-model,.parent-trajectory{background:var(--ink);color:var(--paper)}
.parent-model .section-heading p,.parent-trajectory .section-heading p{color:var(--paper-3)}
.parent-model__steps{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.parent-model__steps li{display:flex;flex-direction:column;min-height:14rem;padding:1.25rem 1rem 1.4rem 0;border-right:1px solid var(--line-dark)}
.parent-model__steps li:not(:first-child){padding-left:clamp(1rem,2vw,2rem)}
.parent-model__steps li:last-child{border-right:0}
.parent-model__steps li span,.parent-model__steps li small,.parent-model__return{font:var(--text-meta)/1.5 var(--font-mono);letter-spacing:.04em;text-transform:uppercase}
.parent-model__steps li span{color:var(--accent-light)}
.parent-model__steps li strong{font-size:clamp(1.7rem,2.8vw,3.8rem);line-height:1.08;letter-spacing:-.06em;margin:auto 0 .5rem}
.parent-model__steps li small{color:var(--paper-3)}
.parent-model__return{display:flex;justify-content:space-between;gap:1rem;color:var(--paper-3);margin-top:1rem;max-width:none}
.parent-model__return span{font-size:1.7rem;color:var(--accent-light);line-height:1}

.parent-trajectory__layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:clamp(2rem,6vw,8rem);align-items:center}
.parent-trajectory__stages{border-top:1px solid var(--line-dark)}
.trajectory-stage{display:grid;grid-template-columns:9rem minmax(0,1fr);gap:.6rem 1.5rem;padding:clamp(1.5rem,3vw,3rem) 0;border-bottom:1px solid var(--line-dark)}
.trajectory-stage>span{grid-row:span 2;color:var(--accent-light);font:var(--text-meta)/1.5 var(--font-mono);letter-spacing:.04em;text-transform:uppercase}
.trajectory-stage h3{font-size:clamp(1.8rem,3vw,3.8rem);line-height:1.12}
.trajectory-stage p{color:var(--paper-3);font-size:var(--text-small)}


.parent-capabilities{background:var(--paper-2)}
.capability-list{border-top:1px solid var(--ink)}
.capability-list>div{display:grid;grid-template-columns:12rem minmax(0,1fr) minmax(0,.65fr);gap:1.5rem;align-items:start;padding:clamp(1.5rem,3vw,3rem) 0;border-bottom:1px solid var(--line)}
.capability-list span{font:var(--text-meta)/1.5 var(--font-mono);text-transform:uppercase;letter-spacing:.04em;color:var(--accent)}
.capability-list h3{font-size:clamp(1.7rem,3vw,3.5rem);line-height:1.1}
.capability-list p{font-size:var(--text-small);color:var(--muted);max-width:34ch}
.unit-page-hero h1{font-size:clamp(2.8rem,10.4vw,12rem)}

@media(max-width:850px){
  .header-inner{grid-template-columns:1fr auto}
  .parent-hero .hero-bottom,.parent-unit__body,.parent-trajectory__layout{grid-template-columns:1fr}
  .parent-hero .hero-statement{order:0}
  .parent-hero-index{margin-top:1rem}
  .parent-model__steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .parent-model__steps li{min-height:11rem;border-bottom:1px solid var(--line-dark)}
  .parent-model__steps li:nth-child(2){border-right:0}
  .parent-model__steps li:nth-child(n+3){border-bottom:0}
  .parent-model__steps li:nth-child(3){padding-left:0}
  .capability-list>div{grid-template-columns:8rem 1fr}
  .capability-list p{grid-column:2}
}
@media(max-width:600px){
  .parent-hero .hero-statement p{font-size:clamp(1.9rem,8vw,2.8rem)}
  .parent-hero-index__head .meta{display:none}
  .parent-hero-index__row{grid-template-columns:6.4rem 1fr}
  .parent-hero-index__row strong{font-size:1.35rem}
  .parent-unit__body{gap:1.5rem;margin-top:2.25rem}
  .parent-unit h3{font-size:clamp(3rem,13vw,5rem)}
  .parent-unit p{font-size:1.2rem}
  .parent-model__steps li{min-height:9rem;padding-right:.6rem}
  .parent-model__steps li strong{font-size:1.5rem}
  .trajectory-stage{grid-template-columns:1fr}
  .trajectory-stage>span{grid-row:auto}
  .trajectory-stage h3{font-size:2rem}
  .capability-list>div{grid-template-columns:1fr;gap:.7rem}
  .capability-list p{grid-column:1}
  .unit-page-hero h1{font-size:clamp(2.7rem,11vw,5rem)}
  .footer-top nav{flex-wrap:wrap;gap:2rem}
  .footer-top nav div{min-width:7rem}
  .industry-index .index-list-head,.products-index .index-list-head{display:grid;gap:.4rem}
}