/* Pass Medical Writing — editorial / journal aesthetic
   Emulates the restraint of NEJM / Lancet / Nature / STAT:
   serif display, a single accent, hairline rules instead of boxes,
   generous whitespace. Distinct from the willpassbooks literary brand. */

:root{
  --paper:#fcfbf8;        /* warm editorial white */
  --paper-2:#f4f2ec;      /* faint band */
  --ink:#181a1c;          /* near-black text */
  --ink-2:#3c3f43;
  --muted:#6f6e69;
  --line:#e2ddd2;         /* warm hairline */
  --line-2:#d3cdbf;
  --accent:#0e5158;       /* deep petrol — the only accent */
  --accent-2:#0a3d43;
  --band:#16201f;         /* dark band */
  --maxw:1120px;
  --col:680px;            /* editorial measure */
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:18px;line-height:1.7;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Newsreader","Source Serif 4",Georgia,serif;font-weight:500;line-height:1.12;color:var(--ink);margin:0 0 .45em;letter-spacing:-.005em}
h1{font-size:clamp(2.6rem,6vw,4.1rem);font-weight:400;letter-spacing:-.018em}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem)}
h3{font-size:1.3rem}
p{margin:0 0 1.1rem}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-2);text-decoration:underline;text-underline-offset:3px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.measure{max-width:var(--col)}

.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;z-index:100}
.skip-link:focus{left:8px;top:8px}

/* eyebrow / small-caps label */
.eyebrow{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.18em;color:var(--accent);margin:0 0 1.1rem}
.eyebrow.dim{color:var(--muted)}

/* ---------- masthead ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(252,251,248,.93);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.hd{max-width:var(--maxw);margin:0 auto;padding:17px 28px;display:flex;align-items:baseline;justify-content:space-between;gap:18px}
.brand{display:inline-flex;align-items:center;gap:11px;font-family:"Newsreader",serif;font-weight:500;font-size:1.3rem;color:var(--ink);letter-spacing:-.01em}
.brand:hover{text-decoration:none;color:var(--ink)}
.brand-mark{width:30px;height:30px;display:block;flex:none}
nav.main{display:flex;gap:26px;align-items:baseline}
nav.main a{color:var(--ink-2);font-size:.82rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em}
nav.main a:hover{color:var(--accent);text-decoration:none}

/* ---------- buttons (text-forward, minimal) ---------- */
.btn{display:inline-block;font-weight:600;font-size:.9rem;letter-spacing:.02em;padding:13px 26px;border-radius:2px;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn-fill{background:var(--accent);color:#fff}
.btn-fill:hover{background:var(--accent-2);text-decoration:none;color:#fff}
.btn-out{border-color:var(--line-2);color:var(--ink)}
.btn-out:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.textlink{font-weight:600;font-size:.95rem;border-bottom:1px solid var(--line-2);padding-bottom:1px}
.textlink:hover{border-color:var(--accent);text-decoration:none}

/* ---------- hero ---------- */
.hero{padding:84px 0 64px}
.hero h1{max-width:14ch}
.hero .lead{font-size:clamp(1.12rem,1.7vw,1.32rem);color:var(--ink-2);max-width:56ch;margin:0}
.hero .sub{color:var(--muted);max-width:56ch;margin-top:.9rem;font-size:1.02rem}
.credline{margin-top:40px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:.86rem;letter-spacing:.02em;text-transform:uppercase}
.credline strong{color:var(--ink);font-weight:600}
.credline .sep{margin:0 .55em;color:var(--line-2)}

/* ---------- generic section ---------- */
section{padding:66px 0}
.band-soft{background:var(--paper-2)}
.rule-top{border-top:1px solid var(--line)}
.section-head{max-width:60ch;margin-bottom:42px}
.section-head p{color:var(--muted);margin:.2rem 0 0}

/* ---------- numbered editorial list (services) ---------- */
.numlist{border-top:1px solid var(--line)}
.numlist .item{display:grid;grid-template-columns:64px 1fr;gap:26px;padding:30px 0;border-bottom:1px solid var(--line);align-items:start}
.numlist .num{font-family:"Newsreader",serif;font-size:1.9rem;color:var(--accent);font-weight:400;line-height:1}
.numlist h3{margin:.1em 0 .4em}
.numlist p{margin:0;color:var(--ink-2);max-width:64ch}

/* ---------- work index (publications-style) ---------- */
.index{border-top:1.5px solid var(--ink)}
.index .row{display:grid;grid-template-columns:1fr auto;gap:18px 30px;padding:22px 0;border-bottom:1px solid var(--line);align-items:baseline}
.index .row .ttl{font-family:"Newsreader",serif;font-size:1.4rem;color:var(--ink);font-weight:500}
.index .row .desc{color:var(--muted);font-size:.96rem;margin-top:4px;max-width:70ch}
.index .row .meta{text-align:right;white-space:nowrap}
.index .row .type{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-weight:700}
.index .row .species{display:block;color:var(--muted);font-size:.85rem;margin-top:3px}

/* ---------- publications / samples list ---------- */
.pubs{border-top:1.5px solid var(--ink);margin-top:6px}
.pubs a{display:grid;grid-template-columns:1fr auto;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);color:var(--ink);align-items:baseline}
.pubs a:hover{text-decoration:none;background:linear-gradient(transparent,transparent)}
.pubs a:hover .name{color:var(--accent)}
.pubs .src{font-size:.72rem;text-transform:uppercase;letter-spacing:.13em;color:var(--muted);font-weight:700;display:block;margin-bottom:3px}
.pubs .name{font-family:"Newsreader",serif;font-size:1.18rem;font-weight:500}
.pubs .go{color:var(--accent);font-size:.82rem;text-transform:uppercase;letter-spacing:.1em}

/* ---------- quiet stat line (no boxes) ---------- */
.facts{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts div{flex:1 1 200px;padding:26px 22px 26px 0}
.facts .n{font-family:"Newsreader",serif;font-size:1.55rem;color:var(--ink);font-weight:500;margin-bottom:2px}
.facts .l{color:var(--muted);font-size:.9rem}

/* ---------- dark band ---------- */
.band{background:var(--band);color:#e7eceb}
.band h2{color:#fff;max-width:20ch}
.band p{color:#aebcba;max-width:56ch}
.band .eyebrow{color:#5fb8b3}
.band a.btn-out{border-color:#3a4e4c;color:#fff}
.band a.btn-out:hover{border-color:#fff}

/* ---------- about ---------- */
.bio{display:grid;grid-template-columns:300px 1fr;gap:54px;align-items:start}
.bio .portrait{border-radius:3px;width:100%;filter:grayscale(8%)}
.bio .portrait-cap{color:var(--muted);font-size:.8rem;margin-top:10px;text-transform:uppercase;letter-spacing:.1em}
.bio .lead{font-family:"Newsreader",serif;font-size:1.5rem;line-height:1.4;color:var(--ink);font-weight:400;margin-bottom:1.2rem}
.creds{list-style:none;padding:0;margin:26px 0 0;border-top:1px solid var(--line)}
.creds li{padding:13px 0;border-bottom:1px solid var(--line);color:var(--ink-2);display:flex;gap:14px}
.creds li b{color:var(--ink);font-weight:600;min-width:130px;display:inline-block}

/* ---------- contact ---------- */
.big-email{font-family:"Newsreader",serif;font-size:clamp(1.5rem,3.4vw,2.3rem);font-weight:500}
.contact-cols{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:46px 0 30px;margin-top:20px}
.foot-grid{max-width:var(--maxw);margin:0 auto;padding:0 28px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:26px}
.f-logo{display:flex;align-items:center;gap:10px;font-family:"Newsreader",serif;font-size:1.15rem;color:var(--ink);margin-bottom:6px}
.foot-mark{width:26px;height:26px;display:block;flex:none}
.foot-tag{color:var(--muted);font-size:.9rem;max-width:34ch}
.foot-links{display:flex;gap:30px;flex-wrap:wrap}
.foot-links a{color:var(--ink-2);font-size:.82rem;text-transform:uppercase;letter-spacing:.1em}
.foot-links a:hover{color:var(--accent);text-decoration:none}
.foot-bottom{max-width:var(--maxw);margin:34px auto 0;padding:18px 28px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .bio,.contact-cols{grid-template-columns:1fr;gap:30px}
  .bio .portrait{max-width:260px}
}
@media(max-width:600px){
  body{font-size:17px}
  .hero{padding:54px 0 44px}
  .index .row{grid-template-columns:1fr;gap:8px}
  .index .row .meta{text-align:left}
  .numlist .item{grid-template-columns:46px 1fr;gap:16px}
  nav.main{gap:16px}
  nav.main a{font-size:.74rem}
}