/* Platinova — the note (article) page.
   Layered on site.css + platinova.css. No new hues, no new easing: everything
   sits on the existing value ladder (#050505 → #0a0a0a → 8%/14% lines → #b5b5b5 → #f2f2f2)
   and the single cubic-bezier(.22,1,.36,1) curve already defined in site.css. */

/* ---- compact article header (replaces .phero on note pages) ---- */
.nhead{max-width:var(--maxw);margin:0 auto;padding:120px var(--gutter) 64px;border-bottom:1px solid var(--line2)}
.nhead .inner{max-width:860px}
.nhead h1{margin-top:26px;font-size:clamp(34px,4.4vw,60px);font-weight:500;
  letter-spacing:-1.6px;line-height:1.08}
.nhead h1 .serif{font-size:.94em}
.nhead .deck{color:#b5b5b5;font-weight:300;font-size:18px;line-height:1.6;
  margin-top:24px;max-width:640px}
.nhead .byline{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:34px;
  font-family:var(--ui);font-size:14px;color:#9a9a9a}
.nhead .byline b{color:#e0e0e0;font-weight:600}
.nhead .byline .sep{color:var(--dim)}
.nhead .byline a{color:#b5b5b5;border-bottom:1px solid var(--line);transition:color .3s}
.nhead .byline a:hover{color:var(--fg)}
/* nav.top is in the flow below 760px (see site.css), so the header no
   longer needs to reserve space for an overlaying nav */
@media(max-width:760px){
  .nhead{padding:40px 20px 34px}
  .nhead h1{margin-top:20px;font-size:clamp(26px,6.6vw,34px);letter-spacing:-1px}
  .nhead .deck{font-size:16.5px;margin-top:18px}
  .nhead .byline{margin-top:24px;font-size:13.5px}
}

/* ---- the readable column ---- */
.art{max-width:calc(720px + var(--gutter)*2);margin:0 auto;padding:76px var(--gutter) 0}
.art > section{margin-bottom:14px}
.art p{color:#b5b5b5;font-weight:300;font-size:17px;line-height:1.72;margin-bottom:24px}
.art p:last-child{margin-bottom:0}
.art p b,.art p strong{color:#e6e6e6;font-weight:600}
.art .lead{font-size:19px;line-height:1.65;color:#cfcfcf}

.art h3{font-size:clamp(24px,2.6vw,32px);font-weight:600;letter-spacing:-.7px;line-height:1.18;
  margin:64px 0 22px;padding-top:34px;border-top:1px solid var(--line2)}
.art section:first-child h3{margin-top:0;padding-top:0;border-top:none}
.art h4{font-size:19px;font-weight:600;letter-spacing:-.3px;line-height:1.3;margin:38px 0 14px;color:#ededed}

/* lists — the same hairline marker used by .walk / .rung on the rest of the site */
.art ul{list-style:none;margin:0 0 26px}
.art li{position:relative;padding-left:22px;color:#c6c6c6;font-size:16.5px;font-weight:300;
  line-height:1.6;margin-bottom:12px}
.art li::before{content:'';position:absolute;left:0;top:12px;width:9px;height:1px;background:rgba(255,255,255,.45)}
.art li b{color:var(--fg);font-weight:600}
.art ol{list-style:none;counter-reset:s;margin:0 0 26px}
.art ol li{padding-left:34px;counter-increment:s}
.art ol li::before{content:counter(s) '.';font-family:var(--ui);font-size:14px;color:#9a9a9a;
  top:2px;width:auto;height:auto;background:none}

/* a line the author sets apart — kept as their words, given air */
.art .turn{font-size:20px;font-weight:500;color:#ededed;line-height:1.45;letter-spacing:-.4px;
  margin:34px 0 30px;padding-left:22px;border-left:1px solid var(--line)}

/* quoted result / illustration inside an article */
.art .qbox{border:1px solid var(--line2);border-radius:16px;background:var(--panel);
  padding:26px 28px;margin:30px 0 32px}
.art .qbox p{margin:0;font-size:16.5px;color:#cfcfcf;font-style:italic}

/* the flow / sequence line ("discovered → evaluated → valued …") */
.art .flow{border:1px solid var(--line2);border-radius:14px;background:#0b0b0b;padding:22px 26px;
  margin:0 0 26px;font-family:var(--ui);font-size:15.5px;color:#ddd;line-height:1.8}

/* ---- tables ---- */
.art .tbl{overflow-x:auto;margin:0 0 30px;border:1px solid var(--line2);border-radius:14px}
.art table{width:100%;border-collapse:collapse;min-width:460px}
.art th,.art td{text-align:left;padding:16px 20px;border-bottom:1px solid var(--line2);
  font-size:15.5px;font-weight:300;color:#c6c6c6;line-height:1.45}
.art th{font-family:var(--ui);font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  color:#9a9a9a;font-weight:600;background:var(--panel)}
.art td:first-child{color:#e6e6e6;font-weight:500}
.art tr:last-child td{border-bottom:none}

/* ---- closing CTA ---- */
.ncta{max-width:calc(720px + var(--gutter)*2);margin:0 auto;padding:0 var(--gutter)}
.ncta .box{border:1px solid var(--line2);border-radius:20px;background:var(--panel);
  padding:52px 44px;margin-top:86px;text-align:center}
.ncta h2{font-size:clamp(28px,3.2vw,40px);font-weight:600;letter-spacing:-.8px;line-height:1.12}
.ncta p{color:#b5b5b5;font-weight:300;font-size:16.5px;line-height:1.65;margin:18px auto 0;max-width:460px}
.ncta .btn-pill{margin-top:30px}
.ncta .src{display:block;margin-top:22px;font-family:var(--ui);font-size:13.5px;color:#9a9a9a}
.ncta .src a{color:#b5b5b5;border-bottom:1px solid var(--line);transition:color .3s}
.ncta .src a:hover{color:var(--fg)}
@media(max-width:760px){.ncta .box{padding:40px 26px}}

/* back-to-index link above the footer */
.nback{max-width:calc(720px + var(--gutter)*2);margin:0 auto;padding:56px var(--gutter) 0;font-family:var(--ui);font-size:14.5px}
.nback a{color:#9a9a9a;display:inline-flex;align-items:center;gap:10px;transition:color .3s}
.nback a:hover{color:var(--fg)}
.nback svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6}

/* ---- responsive: the reading column on a phone ---- */
@media(max-width:760px){
  .art{padding:44px 20px 0}
  .art p{font-size:16.5px;line-height:1.7;margin-bottom:20px}
  .art .lead{font-size:17.5px}
  .art h3{font-size:clamp(22px,5.8vw,32px);margin:44px 0 18px;padding-top:26px}
  .art h4{font-size:17.5px;margin:30px 0 12px}
  .art li{font-size:16px}
  .art .turn{font-size:18px;margin:26px 0 24px;padding-left:18px}
  .art .qbox{padding:20px 20px;margin:24px 0 26px}
  .art .qbox p{font-size:15.5px}
  .art .flow{padding:18px 20px;font-size:14.5px;line-height:1.7}
  /* .tbl already scrolls its own overflow-x; keep the min-width table
     from touching the rounded border */
  .art .tbl{margin-bottom:26px}
  .art th,.art td{padding:13px 16px;font-size:14.5px}
  .ncta{padding:0 20px}
  .ncta .box{margin-top:56px}
  .nback{padding:40px 20px 0}
}

/* gold-serif */
.nhead h1 .serif{background:var(--goldtext);-webkit-background-clip:text;background-clip:text;color:transparent}
