/* reric.org — sea-ice static site
   Palette drawn from Arctic sea ice: deep water blue, ice cyan, snow white. */
:root {
  --ink:        #14232c;
  --ink-soft:   #3f5560;
  --muted:      #6a7c86;
  --line:       #dde6ea;
  --paper:      #ffffff;
  --paper-2:    #f4f8fa;
  --deep:       #0d3b54;   /* deep polar water */
  --deep-2:     #12506e;
  --cyan:       #2b8cbe;   /* ice melt cyan */
  --cyan-soft:  #d3e7f0;
  --accent:     #1f7fb0;
  --shadow:     0 1px 3px rgba(16,42,56,.07), 0 8px 30px rgba(16,42,56,.06);
  --maxw:       760px;
  --wide:       1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink:#e8f1f5; --ink-soft:#bcccd4; --muted:#8ba0aa; --line:#25404e;
    --paper:#0c1a22; --paper-2:#102631; --deep:#0a2d40; --deep-2:#0d3d56;
    --cyan:#5cb4dd; --cyan-soft:#173948; --accent:#5cb4dd; --shadow:0 1px 3px rgba(0,0,0,.3),0 10px 34px rgba(0,0,0,.28);
  }
}
:root[data-theme="light"]{--ink:#14232c;--ink-soft:#3f5560;--muted:#6a7c86;--line:#dde6ea;--paper:#fff;--paper-2:#f4f8fa;--deep:#0d3b54;--deep-2:#12506e;--cyan:#2b8cbe;--cyan-soft:#d3e7f0;--accent:#1f7fb0;--shadow:0 1px 3px rgba(16,42,56,.07),0 8px 30px rgba(16,42,56,.06);}
:root[data-theme="dark"]{--ink:#e8f1f5;--ink-soft:#bcccd4;--muted:#8ba0aa;--line:#25404e;--paper:#0c1a22;--paper-2:#102631;--deep:#0a2d40;--deep-2:#0d3d56;--cyan:#5cb4dd;--cyan-soft:#173948;--accent:#5cb4dd;--shadow:0 1px 3px rgba(0,0,0,.3),0 10px 34px rgba(0,0,0,.28);}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font:400 17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;color:var(--ink);font-weight:600}
.serif{font-family:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif}

/* ---- top nav ---- */
.nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--wide);margin:0 auto;padding:.7rem 1.3rem;display:flex;gap:1.1rem;align-items:center}
.nav .brand{font-weight:700;letter-spacing:.02em;color:var(--ink);margin-right:auto}
.nav a{color:var(--ink-soft);font-size:.94rem}
.nav a:hover{color:var(--accent);text-decoration:none}

/* ---- hero ---- */
.hero{position:relative;min-height:clamp(360px,62vh,560px);display:flex;align-items:flex-end;
  background:#c9d6dc url('../img/hero.jpg') center 38%/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,30,42,.12) 0%,rgba(10,30,42,.02) 40%,rgba(10,30,42,.60) 100%)}
.hero-in{position:relative;z-index:2;max-width:var(--wide);margin:0 auto;width:100%;padding:2.4rem 1.3rem}
.hero h1{color:#fff;font-size:clamp(2rem,5vw,3.2rem);margin:0 0 .3rem;text-shadow:0 2px 20px rgba(0,20,35,.5)}
.hero p{color:#e7f1f6;font-size:clamp(1rem,2.2vw,1.28rem);margin:0;max-width:34ch;text-shadow:0 1px 12px rgba(0,20,35,.6)}
.hero .cred{display:inline-block;margin-bottom:.7rem;padding:.28rem .7rem;border-radius:999px;
  background:rgba(43,140,190,.85);color:#fff;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;font-weight:600}

/* ---- layout ---- */
main{max-width:var(--maxw);margin:0 auto;padding:0 1.3rem}
.wrap-wide{max-width:var(--wide);margin:0 auto;padding:0 1.3rem}
section{padding:3rem 0;border-top:1px solid var(--line)}
section:first-of-type{border-top:0}
.eyebrow{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);font-weight:700;margin:0 0 .5rem}
h2.title{font-size:1.6rem;margin:0 0 1.2rem}
.lead{font-size:1.16rem;color:var(--ink-soft)}
p{margin:0 0 1.1rem}

/* ---- link chips ---- */
.links{display:flex;flex-wrap:wrap;gap:.55rem;margin:1.4rem 0 0}
.chip{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .9rem;border:1px solid var(--line);
  border-radius:10px;background:var(--paper-2);color:var(--ink);font-size:.9rem;font-weight:500}
.chip:hover{border-color:var(--cyan);color:var(--accent);text-decoration:none}

/* ---- featured notes ---- */
.notes{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}
.note{display:block;padding:1.15rem 1.2rem;border:1px solid var(--line);border-radius:14px;background:var(--paper);
  box-shadow:var(--shadow);transition:transform .12s ease,border-color .12s ease}
.note:hover{transform:translateY(-2px);border-color:var(--cyan);text-decoration:none}
.note .yr{font-size:.75rem;color:var(--cyan);font-weight:700;letter-spacing:.04em}
.note h3{margin:.25rem 0 .4rem;font-size:1.08rem;color:var(--ink)}
.note p{margin:0;font-size:.92rem;color:var(--muted)}

/* ---- flagship project cards ---- */
.projects{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}
.project{display:flex;flex-direction:column;padding:1.3rem 1.35rem;border-radius:16px;
  border:1px solid var(--cyan);background:
    linear-gradient(160deg,color-mix(in srgb,var(--cyan) 12%,var(--paper)),var(--paper));
  box-shadow:var(--shadow);transition:transform .13s ease,box-shadow .13s ease}
.project:hover{transform:translateY(-3px);box-shadow:0 6px 14px rgba(16,42,56,.1),0 20px 44px rgba(16,42,56,.12);text-decoration:none}
.project-top{display:flex;align-items:center;gap:.6rem;margin-bottom:.5rem}
.project-name{font-size:1.18rem;font-weight:700;color:var(--ink)}
.project:hover .project-name{color:var(--accent)}
.pill{font-size:.68rem;letter-spacing:.05em;text-transform:uppercase;font-weight:700;color:#fff;
  background:var(--cyan);border-radius:999px;padding:.18rem .55rem}
.project p{margin:0 0 .9rem;font-size:.94rem;color:var(--ink-soft);flex:1}
.project-go{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.8rem;
  color:var(--accent);font-weight:600}

/* ---- sequence-data callout card ---- */
.datacard{display:flex;align-items:center;gap:1rem;margin-top:1rem;padding:1.15rem 1.35rem;border-radius:14px;
  border:1px dashed var(--cyan);background:var(--paper-2);color:var(--ink)}
.datacard:hover{text-decoration:none;border-style:solid;background:color-mix(in srgb,var(--cyan) 8%,var(--paper))}
.datacard-t{font-weight:700;font-size:1.05rem}
.datacard p{margin:.25rem 0 0;font-size:.9rem;color:var(--muted)}
.datacard-go{margin-left:auto;white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.85rem;color:var(--accent);font-weight:600}

/* ---- sequence data page ---- */
.seqgroup{padding:1.4rem 0;border-top:1px solid var(--line)}
.seqgroup h3{margin:0 0 .3rem;font-size:1.14rem}
.seqmeta{color:var(--muted);font-size:.85rem;margin-bottom:.9rem}
.seqlist{list-style:none;padding:0;margin:0}
.seqlist li{display:flex;flex-wrap:wrap;align-items:baseline;gap:.6rem 1rem;padding:.55rem 0;border-bottom:1px solid var(--line)}
.seqlist li>a{font-weight:600;min-width:14rem}
.seqlist .acc{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85rem;color:var(--ink-soft)}
.seqlist .cnt{margin-left:auto;color:var(--muted);font-size:.82rem;font-variant-numeric:tabular-nums}
.projlist li>a{min-width:20rem}
.badge{display:inline-block;font-size:.66rem;font-weight:700;letter-spacing:.03em;color:#fff;
  border-radius:5px;padding:.1rem .4rem;margin-right:.55rem;vertical-align:.08em}
.badge.b-ncbi{background:#20558a}
.badge.b-ena{background:#2f8f6b}
.badge.b-pi{background:var(--deep-2)}
.badge.b-coi{background:#7a8a93}

/* ---- grants / outreach lists ---- */
.glist li{align-items:flex-start;gap:.7rem}
.glist .badge{margin-top:.25rem;flex:none;min-width:2.6rem;text-align:center}
.gwrap{display:flex;flex-direction:column;gap:.1rem;flex:1;min-width:14rem}
.gtitle{font-weight:600;color:var(--ink)}
.gmeta{color:var(--muted);font-size:.85rem}
.arch.service li{display:list-item;list-style:disc;margin-left:1.1rem;padding:.4rem 0;border-bottom:0;color:var(--ink-soft)}

/* ---- repo cards ---- */
.repo .repo-top{display:flex;justify-content:space-between;align-items:baseline;gap:.5rem;margin-bottom:.4rem}
.repo .repo-name{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-weight:600;
  font-size:1.02rem;color:var(--ink)}
.repo:hover .repo-name{color:var(--accent)}
.repo .repo-meta{font-size:.76rem;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.repo p{font-size:.9rem}

/* ---- publications ---- */
.pub .venue-yr{color:var(--muted);white-space:nowrap}
.pub{padding:1rem 0;border-bottom:1px solid var(--line);display:flex;gap:1rem}
.pub .n{color:var(--cyan);font-weight:700;font-variant-numeric:tabular-nums;min-width:1.6rem}
.pub .cite{margin:0}
.pub .cite .auth-me{color:var(--ink);font-weight:600}
.pub .venue{color:var(--muted);font-style:italic}
.pub .plinks{margin-top:.35rem;display:flex;flex-wrap:wrap;gap:.5rem}
.pub .plinks a{font-size:.82rem;color:var(--accent);border:1px solid var(--line);border-radius:6px;padding:.1rem .5rem}
.pub .plinks a:hover{border-color:var(--cyan);text-decoration:none}

/* ---- archive index ---- */
.arch-year{margin:2rem 0 .6rem;font-size:1.05rem;color:var(--cyan);border-bottom:2px solid var(--cyan-soft);padding-bottom:.3rem}
.arch{list-style:none;padding:0;margin:0}
.arch li{padding:.5rem 0;border-bottom:1px solid var(--line);display:flex;gap:1rem;align-items:baseline}
.arch .d{color:var(--muted);font-size:.82rem;font-variant-numeric:tabular-nums;min-width:5.5rem}
.arch a{color:var(--ink)}
.arch a:hover{color:var(--accent)}

/* ---- accent band ---- */
.band{position:relative;height:280px;background-size:cover;background-position:center;margin:0}
.band .cap{position:absolute;bottom:0;left:0;right:0;padding:1rem 1.3rem;color:#eaf3f7;font-size:.82rem;
  background:linear-gradient(0deg,rgba(10,30,42,.7),transparent)}

/* ---- article ---- */
.article{padding-top:2.4rem}
.article .kicker{color:var(--muted);font-size:.86rem;margin-bottom:.6rem}
.article h1{font-size:clamp(1.7rem,3.6vw,2.4rem);margin:0 0 1.4rem}
.article .body{font-size:1.06rem}
.article .body img{border-radius:8px;margin:1rem 0}
.article .body h2,.article .body h3{margin:2rem 0 .7rem}
.article .body blockquote{margin:1.4rem 0;padding:.4rem 1.2rem;border-left:3px solid var(--cyan);color:var(--ink-soft)}
.article .body pre{background:var(--paper-2);border:1px solid var(--line);border-radius:8px;padding:1rem;overflow-x:auto;font-size:.86rem}
.article .body code{background:var(--paper-2);padding:.1rem .35rem;border-radius:4px;font-size:.9em}
.article .body pre code{background:none;padding:0}
.article .body table{border-collapse:collapse;width:100%;overflow-x:auto;display:block}
.article .body td,.article .body th{border:1px solid var(--line);padding:.4rem .6rem}
.backlink{display:inline-block;margin:2.5rem 0 0;color:var(--accent);font-size:.92rem}

/* ---- footer ---- */
footer{border-top:1px solid var(--line);margin-top:3rem;background:var(--paper-2)}
.foot-in{max-width:var(--wide);margin:0 auto;padding:2rem 1.3rem;color:var(--muted);font-size:.88rem;
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center}
.foot-in a{color:var(--ink-soft)}
.themed{cursor:pointer;background:none;border:1px solid var(--line);border-radius:8px;color:var(--muted);
  padding:.35rem .7rem;font:inherit;font-size:.82rem}

@media (max-width:600px){
  section{padding:2.2rem 0}
  .nav .brand{margin-right:auto}
  .nav a.hide-sm{display:none}
}