/* jacobjameskahn.com — site styles v2 (2026-10-07). System fonts only, no external requests. */
:root{--bg:#fbfaf7;--surface:#fff;--ink:#14171c;--muted:#535b68;--line:#e4e1da;--accent:#1f3a5f;--accent-ink:#fff;--tint:#eef2f7;--gold:#8a6a2b;--serif:"Source Serif 4",Georgia,"Times New Roman",serif;--sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--wrap:1080px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:16px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--sans);text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid #2f6db3;outline-offset:2px;border-radius:3px}
h1,h2,h3{font-family:var(--serif);color:var(--ink);line-height:1.2;margin:0}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:8px 12px;z-index:10}
.skip:focus{left:12px;top:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* header */
header.site{border-bottom:1px solid var(--line);background:var(--bg)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:8px 24px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
.brand{display:inline-flex;align-items:center;font:700 17px/1 var(--serif);color:var(--ink);text-decoration:none;min-height:32px}
nav.main{display:flex;gap:4px 18px;flex-wrap:wrap}
nav.main a{font-size:14.5px;color:var(--muted);text-decoration:none;padding:4px 0}
nav.main a:hover,nav.main a[aria-current="page"]{color:var(--ink);text-decoration:underline}
/* hero */
.hero{padding:36px 0 40px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:200px 1fr;column-gap:40px;align-items:start}
.portrait{grid-row:1/3}
.portrait img{width:200px;height:200px;object-fit:cover;border-radius:12px;background:#dfe3ea}
.hero-id h1{font-size:46px;letter-spacing:-.01em;margin:0 0 6px}
.role{font-size:15px;color:var(--muted);margin:0 0 18px}
.headline{font:600 22px/1.3 var(--serif);color:var(--accent);margin:0 0 12px}
.summary{font:17.5px/1.6 var(--serif);margin:0 0 14px;max-width:66ch}
.cred{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;line-height:1.5;color:var(--muted);margin:0 0 16px}
.cred .jjk-i{color:var(--gold);margin-top:2px}
.glance{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:0 0 18px}
.glance-h{font:700 11.5px/1.4 var(--sans);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}
.glance ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.glance li{font-size:14px;line-height:1.45;padding-left:14px;position:relative}
.glance li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.glance li span{color:var(--muted)}
.cta{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:8px;font:600 15px/1 var(--sans);text-decoration:none;border:1px solid var(--accent);transition:background .15s}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{background:#16304f}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.ghost:hover{background:var(--tint)}
.jjk-i{display:inline-block;vertical-align:-.2em;flex:none}
.btn .jjk-i:first-child,a>.jjk-i:first-child{margin-right:.5em}
.jjk-mark{flex:none;margin-right:.6em;border-radius:7px}
/* sections */
section.block{padding:52px 0;border-bottom:1px solid var(--line)}
section.block:last-of-type{border-bottom:0}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:0 0 22px}
.sec-h h2{font-size:28px}
.eyebrow{font:700 12px/1.4 var(--sans);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.lede{font:18px/1.6 var(--serif);color:var(--ink);max-width:68ch}
.measure{max-width:68ch}
.prose{font:17.5px/1.7 var(--serif);max-width:68ch}
.prose h2{font-size:24px;margin:36px 0 12px}
.prose ol,.prose ul{padding-left:1.3em}
.prose li{margin:0 0 .6em}
/* router */
.router{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;list-style:none;margin:0;padding:0}
.router a{display:flex;flex-direction:column;gap:6px;height:100%;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--ink);text-decoration:none;transition:border-color .15s,box-shadow .15s}
.router a:hover,.router a:focus-visible{border-color:var(--accent);box-shadow:0 6px 18px rgba(20,23,28,.07)}
.router .ic{display:flex;width:38px;height:38px;align-items:center;justify-content:center;border-radius:9px;background:var(--tint);color:var(--accent);margin-bottom:6px}
.router strong{font:600 18px/1.3 var(--serif)}
.router span.d{color:var(--muted);font-size:14.5px}
.router .go{margin-top:auto;padding-top:8px;font:600 14px var(--sans);color:var(--accent)}
/* pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;list-style:none;margin:0;padding:0}
.pillars li{border-top:3px solid var(--accent);padding-top:16px}
.pillars .jjk-i{color:var(--accent);margin-bottom:10px}
.pillars h3{font-size:19px;margin:0 0 8px}
.pillars p{font-size:15px;color:var(--muted);margin:0}
/* tables */
table.record{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:15px}
table.record caption{text-align:left;font:700 12px/1.4 var(--sans);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);padding:0 0 8px}
table.record th,table.record td{text-align:left;vertical-align:top;padding:12px 16px;border-bottom:1px solid var(--line)}
table.record thead th{font:700 12px/1.4 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--tint)}
table.record tbody th{font-weight:600}
table.record tr:last-child>*{border-bottom:0}
table.record td.date{white-space:nowrap;color:var(--muted)}
table.record td.ck{color:var(--accent);font-weight:700;text-align:center;width:64px}
table.record .grp th{background:#f6f4ef;font:700 12px/1.4 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
/* quote + seat */
.pull{margin:0;padding:8px 0 8px 24px;border-left:4px solid var(--gold);max-width:62ch}
.pull p{font:600 28px/1.3 var(--serif);margin:0 0 12px}
.seat{display:flex;gap:12px;align-items:flex-start;background:var(--tint);border-radius:10px;padding:18px 20px;font:17px/1.5 var(--serif);max-width:72ch;margin:28px 0 0}
.seat strong{font-family:var(--sans);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:2px}
.seat .jjk-i{color:var(--accent);margin-top:3px}
/* writing */
.posts{list-style:none;margin:0;padding:0;display:grid;gap:0}
.posts li{padding:16px 0;border-bottom:1px solid var(--line)}
.posts li:first-child{padding-top:0}
.posts time{display:block;font:600 12px/1.4 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.posts a{font:600 19px/1.35 var(--serif);text-decoration:none;color:var(--ink)}
.posts a:hover{color:var(--accent);text-decoration:underline}
.posts p{margin:6px 0 0;color:var(--muted);font-size:15px}
.more{font-weight:600;font-size:15px}
/* lists */
.plain{list-style:none;margin:0;padding:0}
.plain li{padding:10px 0;border-bottom:1px solid var(--line)}
.plain li:last-child{border-bottom:0}
.meta{color:var(--muted);font-size:14.5px}
.small{font-size:14px}
.muted{color:var(--muted)}
.crumbs{font-size:13.5px;color:var(--muted);margin:0 0 14px}
.crumbs a{color:var(--muted)}
.page-head{padding:36px 0 28px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:40px;margin:0 0 10px}
.cards2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cardbox{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}
.cardbox h3{font-size:18px;margin:0 0 8px}
/* form */
form.contact{display:grid;gap:16px;max-width:560px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px}
form.contact label{display:grid;gap:6px;font:600 14px var(--sans)}
form.contact label span{font-weight:400;color:var(--muted)}
form.contact input,form.contact textarea{font:16px/1.4 var(--sans);padding:11px 12px;border:1px solid #c9c5bc;border-radius:8px;background:#fff;color:var(--ink);width:100%}
form.contact textarea{min-height:150px;resize:vertical}
form.contact input:focus,form.contact textarea:focus{outline:3px solid #2f6db3;outline-offset:0;border-color:#2f6db3}
.form-status{font-size:15px;margin:0;min-height:1.4em}
.form-status.ok{color:#1d5b34;font-weight:600}
.form-status.err{color:#9b2c1d}
.hp{position:absolute;left:-9999px}
/* footer spacing */
footer.jjk-net{margin-top:0}
/* responsive */
@media (max-width:860px){.router,.pillars{grid-template-columns:1fr}.cards2{grid-template-columns:1fr}.pillars{gap:22px}}
@media (max-width:760px){
 header.site .wrap{padding-top:8px;padding-bottom:8px}
 nav.main{gap:2px 14px;width:100%}
 nav.main a{font-size:14px}
 .hero{padding:16px 0 26px}
 .hero-grid{grid-template-columns:68px 1fr;column-gap:14px}
 .portrait{grid-row:auto}
 .portrait img{width:68px;height:68px;border-radius:10px}
 .hero-id{align-self:center}
 .hero-id h1{font-size:25px;margin:0 0 3px;white-space:nowrap}
 .role{font-size:13px;line-height:1.4;margin:0}
 .hero-body{grid-column:1/-1;margin-top:12px}
 .headline{font-size:18px;margin:0 0 6px}
 .summary{font-size:15px;line-height:1.5;margin:0 0 8px}
 .cred{font-size:12.5px;margin:0 0 10px;line-height:1.4}
 .glance{padding:8px 12px;margin:0 0 12px}
 .glance-h{margin:0 0 3px;font-size:11px}
 .glance li{font-size:12.5px;line-height:1.4}
 .btn{min-height:44px;padding:9px 16px;font-size:15px}
 section.block{padding:38px 0}
 .sec-h h2{font-size:24px}
 .pull p{font-size:22px}
 .page-head h1{font-size:32px}
 table.record{font-size:14px}
 table.record th,table.record td{padding:10px 12px}
 table.stack thead{display:none}
 table.stack tr{display:block;border-bottom:1px solid var(--line);padding:10px 12px}
 table.stack tr:last-child{border-bottom:0}
 table.stack th,table.stack td{display:block;border:0;padding:2px 0}
 table.stack td.ck{display:none}
 table.stack td.date{white-space:normal}
}
@media print{header.site,footer.jjk-net,.cta,nav,.skip{display:none!important}body{background:#fff;font-size:11pt}a{color:inherit;text-decoration:none}section.block{padding:14px 0;break-inside:avoid}}