:root{
  --ink:#111111;
  --gray:#aaaaaa;
  --muted:#5f5f5f;
  --rule:#e6e6e6;
  --bg:#ffffff;
  --panel:#fafafa;
  --maxw:820px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter','Helvetica Neue',Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* wordmark */
.wordmark{font-weight:700;letter-spacing:-0.02em;font-size:20px;line-height:1;text-decoration:none;white-space:nowrap}
.wordmark .k{color:var(--ink)}
.wordmark .c{color:var(--gray)}

header{border-bottom:1px solid var(--rule)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px;flex-wrap:wrap}
nav{display:flex;gap:22px;flex-wrap:wrap}
nav a{color:var(--muted);text-decoration:none;font-size:15px}
nav a:hover{color:var(--ink)}
nav a[aria-current="page"]{color:var(--ink);font-weight:600}

h1{font-size:34px;line-height:1.25;letter-spacing:-0.02em;font-weight:700;margin:0 0 18px}
h2{font-size:21px;letter-spacing:-0.01em;font-weight:700;margin:44px 0 12px}
h3{font-size:16px;font-weight:700;margin:26px 0 6px}
p{margin:0 0 16px}
.lede{font-size:19px;color:var(--muted)}
a{color:var(--ink)}

main{padding:52px 0 72px}
.rule{border:0;border-top:1px solid var(--rule);margin:44px 0}

.cards{display:grid;grid-template-columns:1fr;gap:18px;margin:28px 0 0}
@media(min-width:720px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{border:1px solid var(--rule);border-radius:10px;padding:20px;background:var(--panel)}
.card h3{margin:0 0 6px}
.card p{margin:0;font-size:15px;color:var(--muted)}

ul{margin:0 0 16px;padding-left:20px}
li{margin:0 0 7px}

.contact-rows{border-top:1px solid var(--rule);margin-top:20px}
.contact-row{display:flex;gap:16px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--rule);flex-wrap:wrap}
.contact-row .label{width:88px;flex:none;font-size:13px;text-transform:uppercase;letter-spacing:0.07em;color:var(--gray)}
.contact-row .value{font-size:18px}
.contact-row a{text-decoration:none;border-bottom:1px solid var(--rule)}
.contact-row a:hover{border-bottom-color:var(--ink)}

.btn{display:inline-block;margin-top:24px;padding:11px 20px;border:1px solid var(--ink);border-radius:8px;text-decoration:none;font-size:15px;font-weight:600}
.btn:hover{background:var(--ink);color:#fff}

footer{border-top:1px solid var(--rule);padding:26px 0;font-size:14px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--ink)}

@media(prefers-color-scheme:dark){
  :root{--ink:#f2f2f2;--gray:#8a8a8a;--muted:#a8a8a8;--rule:#2a2a2a;--bg:#111111;--panel:#191919}
  .btn:hover{background:var(--ink);color:#111}
}

/* contact portrait */
.person{display:flex;align-items:center;gap:20px;margin:22px 0 8px;flex-wrap:wrap}
.portrait{width:112px;height:112px;border-radius:50%;object-fit:cover;flex:none;display:block;border:1px solid var(--rule)}
.person-name{font-size:20px;font-weight:700;letter-spacing:-0.01em;line-height:1.3}
.person-role{font-size:16px;color:var(--muted);margin-top:2px}

/* contact page: vCard download + QR */
.card-actions{display:flex;flex-direction:column;align-items:flex-start;gap:44px;margin-top:26px}
.qr-block{text-align:center}
.qr{display:block;width:206px;height:206px;border:1px solid var(--rule);border-radius:12px;background:#fff;padding:6px}
.qr-caption{margin-top:10px;font-size:13px;color:var(--gray);letter-spacing:0.02em}
.card-actions .btn{margin-top:0}
.site-only{margin-top:26px}

/* launched from the iOS Home Screen: behave like a business card, not a website */
@media (display-mode: standalone){
  header nav, footer, .site-only{display:none}
  header{border-bottom:none}
  header .wrap{justify-content:center;min-height:64px}
  main{padding-top:8px}
  .card-actions{align-items:center;align-self:center}
  main .wrap{display:flex;flex-direction:column;align-items:center;text-align:center}
  .person{flex-direction:column;text-align:center}
  .contact-rows{width:100%;max-width:420px}
}

/* about page: portrait to the right of the name */
.about-head{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.about-head h1{margin-bottom:6px}
.about-head .lede{margin-bottom:0}
.about-portrait{width:140px;height:140px}
@media(max-width:560px){.about-portrait{width:112px;height:112px}}