:root { color-scheme: dark; --bg:#001421; --panel:#001b2b; --cyan:#00d8f2; --ink:#f4f4f9; --muted:#c7d6e4; --gold:#e9ad68; --line:#008da6; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:1.5rem; background:var(--bg); }
body { margin:0; background:radial-gradient(ellipse at 80% 0, #07334a66, transparent 40%),linear-gradient(120deg,#001725,#00111f); color:var(--ink); font-family:Arial,Helvetica,sans-serif; font-size:1rem; line-height:1.45; }
a { color:var(--cyan); text-decoration:none; }
a:hover { text-decoration:underline; text-underline-offset:.22em; }
button,input,select { font:inherit; }
button,a,input,select,summary { -webkit-tap-highlight-color:transparent; }
button { cursor:pointer; }
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible { outline:3px solid var(--gold); outline-offset:4px; }
img { max-width:100%; }
[hidden] { display:none!important; }
.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; }
.skip-link { position:absolute; z-index:30; top:-100px; left:1rem; background:var(--cyan); color:#001725; padding:.7rem 1rem; }
.skip-link:focus { top:1rem; }
.nf-header { max-width:1440px; margin:auto; min-height:72px; display:flex; align-items:center; justify-content:space-between; gap:2rem; padding:.6rem 2.2rem; border-bottom:1px solid var(--cyan); background:#001421ee; }
.nf-brand { display:flex; align-items:center; gap:.7rem; color:var(--gold); flex:none; }
.nf-brand:hover { text-decoration:none; }
.nf-brand img { width:48px; height:48px; object-fit:contain; }
.nf-brand strong { display:block; font-family:Georgia,serif; font-size:1.55rem; font-weight:400; letter-spacing:.3em; }
.nf-brand small { display:block; font-size:.65rem; text-transform:uppercase; letter-spacing:.34em; color:white; }
.nf-header nav { display:flex; align-items:center; justify-content:flex-end; gap:1.8rem; flex-wrap:wrap; }
.nf-header nav a { color:#e5e1f4; font-size:.875rem; padding:.75rem 0; white-space:nowrap; }
.nf-header nav a.active { color:var(--cyan); border-bottom:2px solid var(--cyan); }
.nf-hero { max-width:1440px; margin:auto; position:relative; overflow:hidden; min-height:248px; border-bottom:1px solid var(--cyan); }
.hero-art { position:absolute; inset:0; aspect-ratio:auto!important; background-repeat:no-repeat; }
.hero-shade { position:absolute; inset:0; background:linear-gradient(90deg,#001725 0%,#001725 49%,#001725fa 66%,#001725a6 76%,#00172500 94%); }
.hero-copy { position:relative; padding:2rem 3rem 1.7rem; max-width:1000px; }
h1,h2,h3,h4 { font-family:Georgia,'Times New Roman',serif; line-height:1.08; }
.hero-copy h1 { font-size:clamp(2.5rem,4.8vw,4rem); letter-spacing:-.025em; margin:0 0 .4rem; }
.hero-copy p { color:#e2dcef; margin:.2rem 0 .8rem; }
.hero-copy .hero-tagline { color:#f2edf7; font-size:1.25rem; letter-spacing:.035em; }
.hero-actions { display:flex; flex-wrap:wrap; gap:.85rem; margin-top:1.2rem; }
.button-primary,.button-outline { display:inline-flex; align-items:center; justify-content:center; padding:.6rem 1.25rem; min-height:42px; border-radius:5px; font-size:.9rem; font-weight:700; text-align:center; }
.button-primary { background:var(--cyan); border:1px solid var(--cyan); color:#00121c; }
.button-outline { border:1px solid var(--cyan); color:#f3eef9; background:#001727; font-weight:400; }
.button-primary:hover,.button-outline:hover { text-decoration:none; background:#82effa; color:#001725; }
.nf-main { max-width:1440px; margin:auto; padding:.9rem 1.5rem 0; }
.catalog-layout { display:grid; grid-template-columns:200px minmax(0,1fr); gap:1rem; align-items:stretch; }
.subject-sidebar { border:1px solid var(--cyan); border-radius:6px; padding:.7rem .6rem; background:linear-gradient(135deg,#001a2b99,#00263e40); min-width:0; }
.mobile-subject-toggle { width:100%; min-height:42px; padding:.5rem .65rem; background:#00384b; border:1px solid var(--line); border-radius:4px; color:#c5fbff; font-size:.875rem; font-weight:700; text-align:left; }
.mobile-subject-toggle::after { content:'+'; float:right; font-size:1.1rem; }
.mobile-subject-toggle[aria-expanded=true]::after { content:'−'; }
.subject-sidebar h2 { color:var(--cyan); font-family:Arial,sans-serif; font-size:.75rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; margin:.3rem .55rem .55rem; }
.subject-sidebar nav a { display:flex; align-items:center; justify-content:space-between; gap:.5rem; min-height:40px; margin:.1rem 0; padding:.55rem .65rem; color:#eee9f8; border-left:2px solid transparent; border-radius:4px; font-size:.875rem; }
.subject-sidebar nav a span { font-size:1.2rem; }
.subject-sidebar nav a:hover { color:var(--cyan); background:#00364a66; text-decoration:none; }
.subject-sidebar nav a[aria-current] { background:#00364a; border-color:var(--cyan); color:#bbfaff; }
.stage-filters { margin:1rem .4rem 0; padding-top:.8rem; border-top:1px solid var(--line); }
.stage-filters h2 { margin-left:0; }
.stage-filters button { width:100%; text-align:left; border:0; border-left:2px solid transparent; border-radius:4px; background:transparent; color:#ece6fa; min-height:40px; padding:.6rem .65rem; font-size:.875rem; margin:.1rem 0; }
.stage-filters button[aria-pressed=true] { color:#bcf9ff; background:#00384b; border-left-color:var(--cyan); }
.stage-filters button:hover { background:#003a4d88; }
.sidebar-note { color:var(--muted); font-size:.8rem; line-height:1.5; margin:1.2rem .65rem .7rem; }
.sidebar-link { display:block; font-size:.85rem; padding:.5rem .65rem; }
.catalog-panel { min-width:0; }
.catalog-heading { display:flex; justify-content:space-between; align-items:flex-start; gap:.6rem; margin-bottom:.4rem; }
.catalog-heading h2 { font-size:clamp(1.8rem,2.6vw,2.5rem); letter-spacing:-.02em; margin:0 0 .3rem; }
.catalog-heading p { margin:0; color:#f0e9f5; }
.catalog-heading .page-index { font-family:Arial,sans-serif; font-size:.75rem; color:var(--cyan); margin:0 0 .2rem; }
.catalog-controls { display:flex; flex:none; gap:.45rem; align-items:center; padding-top:.5rem; }
.catalog-controls input { width:190px; border:1px solid var(--line); border-radius:5px; min-height:36px; padding:.45rem .65rem; background:#001828; color:white; font-size:.875rem; }
.catalog-controls input::placeholder { color:#d5d0e1; opacity:1; }
.catalog-controls select { width:106px; border:1px solid var(--line); border-radius:5px; min-height:36px; background:#001828; color:#ede7f5; padding:.4rem .3rem; font-size:.8rem; }
.roadmap-notice { display:flex; align-items:center; gap:.65rem; font-size:.875rem; border:1px solid var(--cyan); border-radius:5px; padding:.35rem .7rem; margin:.65rem 0 .2rem; color:var(--cyan); }
.roadmap-notice:hover { background:#003c4d55; text-decoration:none; }
.roadmap-notice span { font-size:1.15rem; }
.result-count { color:var(--muted); font-size:.75rem; margin:.4rem 0 .5rem; min-height:1.1rem; }
.card-section { margin:0 0 .9rem; }
.group-title { font-family:Arial,sans-serif; display:flex; align-items:center; gap:.5rem; text-transform:uppercase; font-size:.8rem; font-weight:700; letter-spacing:.16em; color:var(--cyan); margin:.7rem 0 .45rem; line-height:1.3; }
.group-title::after { content:''; flex:1; border-top:1px solid var(--line); }
.section-note { color:#e4ddec; margin:0 0 .5rem; font-size:.875rem; }
.card-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:.75rem; }
.project-card { min-width:0; overflow:hidden; position:relative; border:1px solid var(--cyan); border-radius:6px; background:linear-gradient(130deg,#00223677,#001523); display:flex; flex-direction:column; }
.project-card:hover { border-color:#8ef6ff; box-shadow:0 0 12px #00c9ef1a; }
.project-art { background-repeat:no-repeat; flex:none; border-bottom:1px solid #006780; }
.stage-badge { position:absolute; top:.45rem; left:.5rem; color:#ede8fa; border:1px solid var(--cyan); padding:.23rem .5rem; border-radius:4px; background:#001323f5; font-size:.875rem; line-height:1.2; }
.card-body { padding:.65rem .8rem .8rem; display:flex; flex-direction:column; flex:1; }
.topic { color:var(--cyan); font-family:Arial,sans-serif; text-transform:uppercase; letter-spacing:.13em; font-size:.75rem; font-weight:700; line-height:1.35; margin:0 0 .25rem; }
.card-body h3 { margin:0 0 .4rem; font-size:1.35rem; overflow-wrap:anywhere; }
.card-description { color:#dadceb; margin:0 0 .65rem; font-size:1rem; line-height:1.32; }
.card-actions { display:flex; flex-direction:column; gap:.35rem; margin-top:auto; }
.card-actions a,.card-action { font-size:.9rem; line-height:1.3; padding:.12rem 0; }
.card-action { margin-top:auto; }
.secondary-action { color:#b5f2fb; }
.scope-note { border:1px solid var(--cyan); border-radius:5px; color:#bfeaf2; font-size:.8rem; padding:.4rem .65rem; margin:.5rem 0 0; }
.all-titles-link { display:inline-block; margin:.6rem 0; font-size:.875rem; }
.empty-results { border:1px solid var(--line); border-radius:6px; padding:1.5rem; margin:1rem 0; }
.empty-results h3 { font-size:1.4rem; margin:0 0 .5rem; }
.empty-results button { border:1px solid var(--cyan); background:#00384b; color:var(--ink); border-radius:5px; padding:.6rem 1rem; }
.nf-banner { position:relative; overflow:hidden; min-height:144px; margin:1rem 0 .6rem; border:1px solid var(--cyan); border-radius:6px; }
.banner-art { position:absolute; inset:0 0 0 52%; aspect-ratio:auto!important; background-repeat:no-repeat; }
.banner-shade { position:absolute; inset:0; background:linear-gradient(90deg,#001725 0%,#001725 49%,#001725f5 62%,#00172588 80%,#00172544); }
.banner-copy { position:relative; padding:.8rem 1.4rem; }
.banner-copy h2 { font-size:clamp(1.8rem,3vw,2.7rem); letter-spacing:-.02em; margin:0 0 .3rem; }
.banner-copy p { color:#eeebf6; margin:0 0 .6rem; max-width:760px; }
.banner-copy .button-primary { padding:.45rem 1rem; min-height:36px; }
.nf-footer { max-width:1440px; margin:auto; padding:.8rem 1.5rem .3rem; display:flex; align-items:center; gap:1rem; color:#dfd8ec; font-size:.8rem; }
.footer-brand { display:flex; align-items:center; gap:.7rem; flex:none; color:var(--gold); text-transform:uppercase; letter-spacing:.17em; font-size:.65rem; }
.footer-brand img { object-fit:contain; }
.footer-line { flex:1; border-top:1px solid var(--cyan); }
.copyright { text-align:center; font-size:.75rem; color:#9ebacb; line-height:1.6; margin:.3rem 1rem 1rem; }
.archive-callout { border:1px solid var(--cyan); border-radius:6px; display:block; padding:1.2rem; background:linear-gradient(110deg,#003449,#001424); margin:1rem 0; }
.archive-callout strong,.archive-callout span,.archive-callout small { display:block; }
.archive-callout strong { font-size:1rem; letter-spacing:.1em; text-transform:uppercase; margin-bottom:.5rem; }
.archive-callout span { color:#edf0f9; margin-bottom:.4rem; }
.archive-callout small { color:#cdd8e8; font-size:.85rem; }
.history-topics { list-style:none; padding:0; margin:.3rem 0 0; }
.history-topics li { padding:.6rem 0; border-top:1px solid var(--line); }
.history-topics h4 { font-size:1.1rem; margin:0 0 .3rem; }
.history-topics h4 a { color:#f3eef9; }
.history-topics p { margin:0; font-size:.95rem; color:#dae0ec; }
.history-topics .history-label { color:#c3d6e3; font-size:.85rem; margin-bottom:.25rem; }
.detail-main { max-width:1200px; margin:auto; padding:1.5rem 2rem 2rem; }
.breadcrumbs { display:flex; flex-wrap:wrap; gap:.55rem; align-items:center; color:#c7d6e4; margin:0 0 2rem; font-size:.875rem; }
.detail-main h1 { font-size:clamp(2.25rem,4vw,3.5rem); margin:.4rem 0 .8rem; letter-spacing:-.02em; }
.detail-layout { display:grid; grid-template-columns:minmax(0,1fr) 260px; gap:2.2rem; align-items:start; }
.detail-layout article { min-width:0; }
.detail-intro { font-size:1.2rem; color:#dce4f1; max-width:880px; }
.detail-meta { display:flex; flex-wrap:wrap; align-items:center; gap:.75rem; color:#c4d6e3; font-size:.875rem; }
.stage-pill { display:inline-block; border:1px solid var(--cyan); border-radius:4px; padding:.25rem .5rem; font:400 .875rem/1.4 Arial,sans-serif; color:#c3f7ff; white-space:normal; }
.detail-section { border-top:1px solid var(--line); padding-top:1rem; margin-top:1.8rem; }
.detail-section h2 { margin:0 0 .7rem; font-size:1.8rem; }
.detail-section h3 { font-size:1.3rem; margin:1rem 0 .4rem; }
.detail-section p { color:#d5e1ed; }
.project-summary { overflow:hidden; border:1px solid var(--cyan); border-radius:6px; }
.project-summary>div:last-child { padding:1rem; }
.project-summary h2 { font:700 .875rem Arial,sans-serif; text-transform:uppercase; letter-spacing:.1em; color:var(--cyan); }
.project-summary p { font-size:.9rem; }
.muted { color:#a4bac9; }
.source-list { list-style:none; margin:1rem 0; padding:0; }
.source-list li { padding:.75rem 0; border-bottom:1px solid #14536a; overflow-wrap:anywhere; }
.source-list strong { font-weight:400; }
.source-meta { display:block; color:#b4c8d6; font-size:.8rem; margin-top:.3rem; }
.chapter-list { padding-left:1.5rem; }
.chapter-list>li { padding:0 0 1rem .3rem; margin:.8rem 0; }
.chapter-list>li::marker { color:var(--cyan); }
.chapter-list h3 { margin-top:0; }
.chapter-list details { background:#001c2e; border:1px solid #17607a; padding:.65rem .9rem; border-radius:5px; }
summary { cursor:pointer; color:var(--cyan); }
.related-list { list-style:none; padding:0; }
.related-list li { padding:.7rem 0; border-bottom:1px solid #14536a; }
.related-list span { display:block; font-size:.8rem; color:#b9cedd; margin-top:.3rem; }
.roadmap-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1rem; }
.roadmap-card { padding:1.2rem; border:1px solid var(--line); border-radius:6px; background:#00213580; }
.roadmap-card h3 { margin:.2rem 0 .6rem; font-size:1.5rem; }
.roadmap-card h3 a { color:#f1f0fa; }
.workflow { padding-left:1.5rem; color:#d6e1ed; }
.workflow li { margin:.65rem 0; }
.table-wrap { overflow-x:auto; max-width:100%; border:1px solid var(--line); border-radius:5px; }
table { width:100%; border-collapse:collapse; font-size:.95rem; text-align:left; }
th { background:#003048; color:#d9f9ff; font-weight:700; }
th,td { border-bottom:1px solid #125267; padding:.75rem .9rem; vertical-align:top; }
tr:last-child td { border-bottom:0; }
.research-subjects { display:flex; gap:.7rem; flex-wrap:wrap; margin:1.5rem 0; }
.research-subjects a { padding:.5rem .75rem; border:1px solid var(--line); border-radius:5px; font-size:.9rem; }
.research-direction { border:1px solid var(--line); border-radius:5px; margin:.7rem 0; background:#00203666; scroll-margin-top:1.5rem; }
.research-direction summary { padding:1rem; font-weight:700; }
.research-direction summary .stage-pill { float:right; margin-left:.6rem; }
.research-direction>div { padding:0 1rem 1rem; }
.research-direction:target { border-color:var(--gold); }
.review-links { padding:0; list-style:none; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:.75rem; }
.review-links a { display:flex; min-height:60px; align-items:center; border:1px solid var(--line); padding:1rem; border-radius:5px; background:#00233599; }
@media(min-width:1400px) { .catalog-layout { grid-template-columns:230px minmax(0,1fr); gap:1.3rem; } .project-card h3 { font-size:1.5rem; } }
@media(max-width:1150px) { .nf-header { gap:1rem; padding-left:1.4rem; padding-right:1.4rem; } .nf-header nav { gap:1rem; } .catalog-heading { flex-wrap:wrap; } .catalog-controls { padding-top:0; margin-bottom:.3rem; } .catalog-layout { grid-template-columns:190px minmax(0,1fr); } .card-grid { gap:.6rem; } .card-body { padding:.6rem; } .hero-copy { padding-left:2rem; } }
@media(max-width:900px) { .nf-brand strong { font-size:1.3rem; } .nf-brand small { font-size:.6rem; } .nf-header nav { gap:.75rem; } .nf-header nav a { font-size:.8rem; } .catalog-layout { grid-template-columns:180px minmax(0,1fr); gap:.75rem; } .card-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } .detail-layout { grid-template-columns:minmax(0,1fr) 220px; gap:1.3rem; } .hero-copy h1 { font-size:2.8rem; } }
@media(max-width:650px) { .nf-header { align-items:flex-start; flex-direction:column; gap:.3rem; padding:.8rem 1rem; } .nf-brand img { width:38px; height:38px; } .nf-header nav { justify-content:flex-start; column-gap:1.15rem; row-gap:0; } .nf-header nav a { font-size:.875rem; min-height:40px; padding:.5rem 0; } .nf-hero { min-height:250px; } .hero-copy { padding:1.4rem 1rem; } .hero-copy h1 { font-size:2.65rem; } .hero-copy .hero-tagline { font-size:1.05rem; } .hero-copy p { font-size:.95rem; } .hero-shade { background:linear-gradient(90deg,#001725fa 0%,#001725f5 68%,#001725c9); } .hero-actions { gap:.65rem; } .button-primary,.button-outline { font-size:.875rem; padding:.6rem .9rem; } .nf-main { padding:.75rem .75rem 0; } .catalog-layout { display:block; } .subject-sidebar { padding:.65rem; margin-bottom:1rem; } .subject-sidebar nav { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); } .subject-sidebar nav h2 { grid-column:1/-1; } .subject-sidebar nav a { min-height:44px; font-size:.875rem; } .stage-filters { display:flex; gap:.4rem; flex-wrap:wrap; margin:.6rem 0 0; padding-top:.6rem; } .stage-filters h2 { width:100%; } .stage-filters button { width:auto; border:1px solid #15627b; min-height:40px; padding:.5rem .7rem; margin:0; } .sidebar-note { margin:.7rem .4rem .3rem; font-size:.8rem; } .sidebar-link { display:inline-block; padding:.35rem .4rem; } .catalog-heading h2 { font-size:1.9rem; } .catalog-controls { width:100%; flex-wrap:wrap; } .catalog-controls label:first-child { flex:1; min-width:170px; } .catalog-controls input { width:100%; min-height:42px; } .catalog-controls select { min-height:42px; } .card-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } .card-body h3 { font-size:1.2rem; } .card-description { font-size:.95rem; } .stage-badge { font-size:.8rem; top:.35rem; left:.35rem; } .nf-banner { margin-top:.8rem; } .banner-copy { padding:1rem; } .banner-copy h2 { font-size:1.9rem; } .banner-copy p { font-size:.95rem; } .banner-shade { background:#001725e8; } .nf-footer { flex-wrap:wrap; padding:.75rem 1rem .3rem; row-gap:.5rem; } .footer-line { display:none; } .nf-footer>span:last-child { flex:1 0 100%; } .detail-main { padding:1rem; } .detail-layout { display:flex; flex-direction:column; gap:1.5rem; } .project-summary { width:100%; max-width:340px; } .roadmap-grid { grid-template-columns:1fr; } .review-links { grid-template-columns:repeat(2,minmax(0,1fr)); } .research-direction summary .stage-pill { float:none; display:block; width:max-content; max-width:100%; margin:.5rem 0 0; } th,td { padding:.65rem; font-size:.875rem; } }
@media(max-width:430px) { .card-grid { grid-template-columns:1fr; } .card-body { padding:.85rem; } .card-body h3 { font-size:1.45rem; } .card-description { font-size:1rem; } .stage-badge { font-size:.875rem; top:.55rem; left:.55rem; } .subject-sidebar nav { grid-template-columns:1fr; } .subject-sidebar nav a { padding:.45rem .65rem; min-height:40px; } .review-links { grid-template-columns:1fr; } }
@media(prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }
@media print { body { background:white; color:#111; } .nf-header,.nf-hero,.subject-sidebar,.nf-banner,.nf-footer,.catalog-controls,.stage-filters,.copyright,.skip-link,.project-summary { display:none; } .catalog-layout,.detail-layout { display:block; } .nf-main,.detail-main { max-width:none; padding:0; } .card-grid { grid-template-columns:repeat(3,minmax(0,1fr)); } .project-card { break-inside:avoid; background:white; border-color:#555; color:#111; } .card-description,.detail-intro,.detail-section p,.source-meta { color:#333; } a,.topic { color:#005b70; } .card-actions a { color:#005b70; } }

/* Rev45.6: Flagship nonfiction highlight only; Fold 7 and global width / viewport rules untouched. */
.flagship-section { border:1px solid #267e94; border-radius:7px; padding:.75rem .85rem .85rem; background:linear-gradient(150deg,#042f3f77,#00182755); margin:.85rem 0 1.2rem; }
.flagship-section .group-title { color:#e7edf4; margin:.05rem 0 .35rem; letter-spacing:.12em; }
.flagship-section .section-note { color:#d9e7f0; margin-bottom:.65rem; }
.flagship-section .project-card { border-color:#1dc9df; }
.featured-section { margin-top:1rem; }
@media (max-width:650px) { .flagship-section { padding:.55rem; } .flagship-section .group-title { font-size:.75rem; letter-spacing:.075em; } }