/* Interesting Research — shared styles, extracted from izzamasud.com index.html
   so the essays match the site exactly. eagle + Izza | Jun 14 2026.
   (index.html keeps its own inline CSS; these pages link this file.) */
:root{--bg:#FAFAF8;--txt:#1A1A1A;--c70:rgba(26,26,26,.7);--c55:rgba(26,26,26,.55);--c45:rgba(26,26,26,.45);--c15:rgba(26,26,26,.15);--c08:rgba(26,26,26,.08);--c04:rgba(26,26,26,.04);--pur:#6B5CE7;--teal:#1A9E8C;--gold:#C4942A;--body:'Plus Jakarta Sans',system-ui,sans-serif;--mono:'Geist Mono',monospace;--accent:'Newsreader',Georgia,serif}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--txt);font-family:var(--body);font-weight:300;line-height:1.75;font-size:18px;-webkit-font-smoothing:antialiased}
.wrap{max-width:720px;margin:0 auto;padding:0 28px}
header{display:flex;justify-content:space-between;align-items:center;padding:28px;max-width:980px;margin:0 auto}
.logo{font-family:var(--mono);letter-spacing:.22em;font-size:13px;text-transform:uppercase}
.logo a{color:inherit;text-decoration:none}
nav a{font-family:var(--mono);font-size:13px;color:var(--c55);text-decoration:none;margin-left:22px;letter-spacing:.06em;transition:.2s}
nav a:hover,nav a.active{color:var(--pur)}
footer{padding:48px 28px 64px;text-align:center;font-family:var(--mono);font-size:12.5px;color:var(--c45);border-top:1px solid var(--c08);letter-spacing:.04em}
footer a{color:var(--c55);text-decoration:none}
footer a:hover{color:var(--pur)}

/* ── index of essays ── */
.page-head{padding:84px 0 4px}
.page-head h1{font-weight:300;font-size:clamp(34px,6vw,52px);letter-spacing:-.02em;line-height:1.1}
.page-head .sub{font-family:var(--mono);font-size:14px;color:var(--c70);margin-top:20px;line-height:1.85}
.essays{padding:40px 0}
.essay{display:block;padding:24px;border:1px solid var(--c08);border-radius:14px;text-decoration:none;color:inherit;transition:.25s;margin-bottom:16px;background:#fff}
.essay:hover{border-color:var(--pur);transform:translateY(-1px)}
.essay h3{font-weight:400;font-size:21px;letter-spacing:-.01em;line-height:1.3}
.essay .blurb{font-family:var(--accent);font-style:italic;color:var(--c70);font-size:17px;margin-top:8px}
.essay .meta{font-family:var(--mono);font-size:12px;color:var(--c45);margin-top:12px;letter-spacing:.04em}

/* ── article ── */
article{padding:60px 0 24px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--pur);margin-bottom:18px}
article h1{font-weight:300;font-size:clamp(32px,5.4vw,48px);letter-spacing:-.02em;line-height:1.12}
.lede{font-family:var(--accent);font-style:italic;font-size:clamp(19px,2.6vw,23px);color:var(--c70);margin-top:18px;line-height:1.5}
.byline{font-family:var(--mono);font-size:13px;color:var(--c45);margin:24px 0 4px;letter-spacing:.04em;padding-bottom:30px;border-bottom:1px solid var(--c08)}
article h2{font-family:var(--accent);font-style:italic;font-weight:400;font-size:clamp(22px,3vw,26px);letter-spacing:normal;text-transform:none;color:var(--txt);margin:48px 0 0}
article p{margin-top:20px}
article p.first{margin-top:30px}
article em{font-style:italic}
.pull{font-family:var(--accent);font-style:italic;font-size:clamp(22px,3.2vw,28px);line-height:1.5;color:var(--txt);margin:40px 0;padding-left:24px;border-left:2px solid var(--pur)}
.endnote{margin-top:50px;padding-top:24px;border-top:1px solid var(--c08);font-family:var(--mono);font-size:13px;color:var(--c45);line-height:1.7}
.back{display:inline-block;font-family:var(--mono);font-size:13px;color:var(--c55);text-decoration:none;margin-top:40px;letter-spacing:.04em}
.back:hover{color:var(--pur)}

/* syntax -> sense: the accessibility layer. hover/tap a term, its plain meaning opens. */
.syn{border-bottom:1px dashed var(--pur);cursor:help;position:relative;outline:none}
.syn::after{content:attr(data-sense);position:absolute;left:0;bottom:140%;z-index:20;background:var(--txt);color:var(--bg);font-family:var(--mono);font-weight:400;font-style:normal;font-size:12.5px;line-height:1.55;letter-spacing:0;padding:9px 12px;border-radius:8px;width:max-content;max-width:clamp(200px,62vw,300px);box-shadow:0 10px 28px rgba(26,26,26,.20);opacity:0;transform:translateY(5px);pointer-events:none;transition:opacity .18s,transform .18s}
.syn:hover::after,.syn:focus::after{opacity:1;transform:translateY(0)}
/* code + diagram blocks */
pre.code,pre.diagram{font-family:var(--mono);font-size:13.5px;line-height:1.6;background:#fff;border:1px solid var(--c08);border-radius:12px;padding:18px 20px;margin:30px 0;overflow-x:auto;white-space:pre;color:var(--txt)}
pre.diagram{background:var(--c04);color:var(--c70);font-size:13px;line-height:1.5}