/* Informaton Inc. — site stylesheet (v2). No framework, system fonts only. */
:root{
  --navy:#14243b; --navy-2:#1d3352; --charcoal:#22262c; --slate:#4f5b6b; --slate-2:#6b7686;
  --rule:#dde2e8; --tint:#f3f5f8; --white:#fff; --blue:#2f5f8f; --blue-soft:#8fb0d4;
  --maxw:72rem;
  --sans:"Inter","Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:"Iowan Old Style","Charter","Bitstream Charter","Sitka Text",Cambria,Georgia,serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--charcoal);font-family:var(--sans);font-size:1.0625rem;line-height:1.65}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-underline-offset:.18em;text-decoration-thickness:1px;transition:color .2s}
a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--blue-soft);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:.5rem 1rem;z-index:20}
.skip:focus{left:1rem;top:1rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem}
.small{font-size:.9rem}.muted{color:var(--slate)}
mark.confirm{background:#fbf1cf;color:#6b4f00;font-family:var(--sans);font-size:.78em;padding:.05em .4em;border-radius:3px;border:1px dashed #d9bf6a}

/* header */
.site-header{background:var(--white);border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:10}
.bar{display:flex;align-items:center;justify-content:space-between;gap:.75rem 2rem;flex-wrap:wrap;padding-top:1rem;padding-bottom:1rem}
.brand{text-decoration:none;font-weight:700;letter-spacing:.14em;font-size:1.05rem;white-space:nowrap}
.brand .b1{color:var(--blue)}.brand .b2{color:var(--navy)}
.brand .b3{color:var(--slate-2);font-weight:500;letter-spacing:.02em;font-size:.85rem;margin-left:.45rem}
.site-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.2rem 1.35rem}
.site-nav a{color:var(--slate);text-decoration:none;font-size:.9rem;padding:.3rem 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.site-nav a:hover{color:var(--navy);border-bottom-color:var(--rule)}
.site-nav a[aria-current="page"]{color:var(--navy);border-bottom-color:var(--blue)}

/* type */
h1,h2,h3{color:var(--navy);line-height:1.2;font-weight:650;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.2vw,3.1rem);margin:0 0 1rem}
h2{font-size:clamp(1.4rem,2.4vw,1.85rem);margin:0 0 1rem}
h3{font-size:1.05rem;margin:1.5rem 0 .5rem}
p{margin:0 0 1rem}
.eyebrow{font-size:.74rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin:0 0 .75rem}
.lede{font-family:var(--serif);font-size:clamp(1.15rem,1.7vw,1.35rem);line-height:1.55;color:var(--slate);max-width:46rem}
.prose{max-width:44rem}

/* sections */
.section{padding:4.5rem 0}
.section.slim{padding:3rem 0}
.tint{background:var(--tint)}
.band{background:var(--navy);color:#d7deea}
.band h2,.band h3{color:#fff}.band .eyebrow{color:var(--blue-soft)}.band a{color:#cfe0f3}
.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:2rem 4rem;align-items:start}
.more{margin-top:2rem;font-size:.95rem}
.page-head{padding:4rem 0 3rem;border-bottom:1px solid var(--rule);background:linear-gradient(180deg,var(--tint),var(--white))}
.page-head .lede{margin:0}

/* hero */
.hero{position:relative;min-height:min(78vh,640px);display:flex;align-items:flex-end;overflow:hidden;background:var(--navy)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% 50%}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,26,44,.88) 0%,rgba(14,26,44,.66) 45%,rgba(14,26,44,.12) 100%)}
.hero-text{position:relative;padding-top:6rem;padding-bottom:4.5rem;width:100%}
.hero h1{color:#fff;max-width:40rem}
.hero .eyebrow{color:var(--blue-soft)}
.hero .lede{color:#dbe3ee;max-width:38rem}
.hero-cap{position:absolute;right:1rem;bottom:.6rem;margin:0;font-size:.72rem;color:rgba(255,255,255,.75)}

/* figures */
.fig{margin:0}
.fig img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:3px;background:var(--tint)}
.fig figcaption{font-size:.78rem;color:var(--slate-2);margin-top:.5rem;font-style:italic}
.fig.second{margin-top:1.25rem}
.fig.wide{margin-top:3rem}
.fig.wide img{aspect-ratio:21/9}

/* home domain cards */
.dgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(15.5rem,1fr));gap:1.25rem;margin-top:1.5rem}
.dcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--rule);border-radius:4px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .25s ease,box-shadow .25s ease,border-color .25s}
.dcard:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(20,36,59,.10);border-color:#c7d0db}
.dcard-img{display:block;overflow:hidden}
.dcard-img img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform .6s ease}
.dcard:hover .dcard-img img{transform:scale(1.03)}
.dcard-body{display:flex;flex-direction:column;gap:.35rem;padding:1rem 1.1rem 1.2rem}
.dletter{font-family:var(--mono);font-size:.75rem;color:var(--blue);letter-spacing:.08em}
.dtitle{font-weight:650;color:var(--navy);line-height:1.3}
.dshort{font-size:.92rem;color:var(--slate)}
.dcard.central{border-top:3px solid var(--blue)}

/* principles */
.principles{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:2rem 2.5rem;margin-top:1.5rem}
.principles.three{grid-template-columns:repeat(auto-fit,minmax(17rem,1fr))}
.principle{border-top:1px solid rgba(143,176,212,.45);padding-top:1rem}
.tint .principle,.section:not(.band) .principle{border-top-color:var(--rule)}
.principle h3{margin-top:0}
.principle p{font-size:.96rem;margin:0}
.section:not(.band) .principle p{color:var(--slate)}

/* research page */
.toc{padding-top:3rem;padding-bottom:1rem}
.toc ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(18rem,1fr));gap:0 2rem;border-top:1px solid var(--rule)}
.toc li{border-bottom:1px solid var(--rule)}
.toc a{display:flex;gap:.9rem;padding:.7rem 0;text-decoration:none;color:var(--navy);font-size:.95rem}
.toc a span{font-family:var(--mono);color:var(--blue);font-size:.8rem;padding-top:.15rem}
.toc a:hover{color:var(--blue)}
.domain{padding:4rem 0;border-bottom:1px solid var(--rule);scroll-margin-top:5rem}
.domain.central{background:var(--tint)}
.domain-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:2rem 3.5rem;align-items:start}
.domain:nth-of-type(even) .domain-media{order:-1}
.problems{font-size:1.05rem}
.since{font-size:.9rem;color:var(--slate)}
.ticks{list-style:none;margin:0 0 1rem;padding:0}
.ticks li{position:relative;padding-left:1.2rem;margin:.3rem 0;font-size:.98rem}
.ticks li::before{content:"";position:absolute;left:0;top:.72em;width:.5rem;height:1px;background:var(--blue)}
.ticks.cols{columns:2;column-gap:2rem}
.ticks.cols li{break-inside:avoid}
.note{font-size:.88rem;color:var(--slate);border-left:2px solid var(--rule);padding-left:.9rem;margin-top:1.25rem}

/* projects */
.pgroup{padding:3rem 0 1rem}
.pgroup h2{font-size:1.25rem;display:flex;gap:.75rem;align-items:baseline;border-bottom:1px solid var(--rule);padding-bottom:.75rem}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(19rem,1fr));gap:1.25rem;margin-top:1.25rem}
.project{border:1px solid var(--rule);border-radius:4px;padding:1.25rem 1.3rem;background:#fff;display:flex;flex-direction:column;transition:border-color .2s,box-shadow .2s}
.project:hover{border-color:#c7d0db;box-shadow:0 6px 18px rgba(20,36,59,.07)}
.project h3{margin:0 0 .5rem;font-size:1.02rem}
.project p{font-size:.95rem;color:var(--slate);margin-bottom:.75rem}
.tags{list-style:none;margin:auto 0 0;padding:0;display:flex;flex-wrap:wrap;gap:.35rem}
.tags li{font-size:.74rem;color:var(--navy-2);background:var(--tint);border:1px solid var(--rule);border-radius:2px;padding:.1rem .45rem}
.plink{margin:.8rem 0 0;font-size:.88rem}
.pgroup:last-of-type{padding-bottom:4rem}

/* about */
.timeline{list-style:none;margin:0 0 1rem;padding:0;border-left:2px solid var(--rule)}
.timeline li{position:relative;padding:0 0 1.5rem 1.5rem;display:grid;grid-template-columns:9rem 1fr;gap:.25rem 1rem}
.timeline li::before{content:"";position:absolute;left:-6px;top:.45rem;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--blue)}
.when{font-weight:650;color:var(--navy)}

/* contact */
.contact-line{font-size:clamp(1.3rem,2.4vw,1.7rem);font-family:var(--serif)}

/* archive (content reused from site-new) */
.archive h1{font-size:2rem}
.notice{background:var(--tint);border-left:3px solid var(--slate-2);padding:.9rem 1.1rem;margin:0 0 2.5rem;color:var(--slate)}
.tile-group{margin:0 0 2.5rem}
.tile-group h2{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin:0 0 1rem}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:1.5rem}
.tile{border:1px solid var(--rule);border-radius:4px;overflow:hidden;display:flex;flex-direction:column;background:#fff}
.tile-media{display:block;text-decoration:none;height:130px;background:var(--tint);border-bottom:1px solid var(--rule)}
.tile-media img{width:100%;height:130px;object-fit:cover}
.tile-media img.contain{object-fit:contain;background:#fff}
.tile-media .ph{display:flex;align-items:center;justify-content:center;height:130px;font-weight:600;color:var(--navy);text-align:center;padding:0 1rem}
.tile-body{padding:1rem 1.1rem 1.1rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.tile-body h3{margin:0;font-size:1.05rem}
.tile-body p{margin:0;color:var(--slate);font-size:.95rem}
.tile-links{margin-top:auto;display:flex;flex-wrap:wrap;gap:.5rem 1rem;padding-top:.5rem}
.tile-links .off{color:var(--slate);border:1px solid var(--rule);border-radius:3px;padding:0 .5rem;cursor:not-allowed}

/* footer */
.site-footer{background:var(--charcoal);color:#b9c1cc;font-size:.9rem;padding:3rem 0 1.5rem}
.site-footer a{color:#dbe3ee}
.foot{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.foot-name{color:#fff;font-weight:650;letter-spacing:.02em}
.site-footer nav ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,auto);gap:.3rem 2.5rem}
.site-footer nav a{text-decoration:none}
.site-footer nav a:hover{text-decoration:underline}
.foot-note{border-top:1px solid #3a4049;margin-top:2rem;padding-top:1rem;font-size:.78rem;color:#8b94a1}
.foot-note p{margin:.25rem 0}

/* subtle reveal: only when JS is present and motion is allowed */
@media (prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transform:translateY(12px);transition:opacity .7s ease,transform .7s ease}
  .js .reveal.in{opacity:1;transform:none}
  .hero-img{animation:heroIn 1.6s ease-out both}
  @keyframes heroIn{from{opacity:.4;transform:scale(1.03)}to{opacity:1;transform:none}}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

/* responsive */
@media (max-width:900px){
  .two-col,.domain-grid{grid-template-columns:1fr}
  .domain:nth-of-type(even) .domain-media{order:0}
  .ticks.cols{columns:1}
}
@media (max-width:640px){
  .wrap{padding:0 1.1rem}
  .site-header{position:static}
  .site-nav ul{gap:.1rem 1rem}
  .site-nav a{font-size:.85rem}
  .section{padding:3.25rem 0}
  .page-head{padding:2.75rem 0 2rem}
  .hero{min-height:560px}
  .hero-shade{background:linear-gradient(180deg,rgba(14,26,44,.35) 0%,rgba(14,26,44,.9) 55%)}
  .hero-text{padding-bottom:3rem}
  .hero-cap{right:auto;left:1.1rem;bottom:.5rem}
  .timeline li{grid-template-columns:1fr}
}
@media print{.site-header,.site-footer nav,.hero-shade{display:none}.hero{min-height:0}.hero-text *{color:#000!important}}
.dcard-more{background:var(--navy);border-color:var(--navy);justify-content:flex-end;min-height:14rem}
.dcard-more .dletter{color:var(--blue-soft)}.dcard-more .dtitle{color:#fff;font-size:1.15rem}.dcard-more .dshort{color:#c9d3e0}
.dgo{margin-top:.6rem;font-size:.9rem;color:#fff}
.dcard-more:hover{border-color:var(--navy-2);background:var(--navy-2)}