/* Blog — mirrors the "Working Drawing" system in index.html */
:root{
  --bg:#FCFCFA; --ink:#2A2118; --ink-2:#736858; --ink-3:#A99C86;
  --hair:#DBD1BF; --shot:#F5F1E9; --grid:120,96,64;
  --sans:"IBM Plex Sans",ui-sans-serif,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --maxw:1080px; --readw:700px; --mediaw:900px;
  color-scheme:light;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
img{max-width:100%;}
a{color:inherit;}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:2px;}
[id]{scroll-margin-top:92px;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px;}
.wrap-narrow{max-width:calc(var(--readw) + 44px);margin:0 auto;padding:0 22px;}
.wrap-media{max-width:calc(var(--mediaw) + 44px);margin-left:auto;margin-right:auto;padding:0 22px;}
h1{font-size:clamp(31px,5.6vw,50px);line-height:1.08;letter-spacing:-.012em;font-weight:500;margin:0;text-wrap:balance;}
h2{font-size:clamp(23px,3.2vw,31px);line-height:1.16;letter-spacing:-.01em;font-weight:600;margin:0;text-wrap:balance;}
p{margin:0;}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2);margin:0 0 14px;}
.prose{color:var(--ink-2);font-size:clamp(16.5px,1.9vw,19px);line-height:1.62;max-width:60ch;margin-top:16px;text-wrap:pretty;}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--bg);padding:10px 14px;z-index:99;text-decoration:none;font-weight:600;}
.skip:focus{left:12px;top:12px;}

.draftbar{background:#F3EFE6;border-bottom:1px solid var(--hair);}
.draftbar .wrap{display:flex;justify-content:center;text-align:center;padding-top:8px;padding-bottom:8px;
  font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);}

/* masthead — same as the main site */
.masthead{border-bottom:1px solid var(--hair);position:sticky;top:0;z-index:30;
  background:rgba(252,252,250,.92);-webkit-backdrop-filter:saturate(1.1) blur(6px);backdrop-filter:saturate(1.1) blur(6px);}
.masthead .wrap{display:flex;align-items:center;gap:12px 22px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;position:relative;}
.brand{font-weight:600;font-size:15.5px;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--ink);white-space:nowrap;margin-right:auto;}
.brand span{color:var(--ink-2);}
.nav{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.nav a.navlink{font-size:12.5px;font-weight:500;letter-spacing:.03em;color:var(--ink-2);text-decoration:none;white-space:nowrap;padding:4px 0;}
.nav a.navlink:hover{color:var(--ink);}
.nav a.navlink[aria-current]{color:var(--ink);border-bottom:1px solid var(--ink);}
.navlink-cta{display:none;}
.navtoggle{display:none;margin-left:auto;flex-direction:column;justify-content:center;gap:4px;width:42px;height:36px;padding:9px 8px;background:transparent;border:1px solid var(--hair);border-radius:3px;cursor:pointer;}
.navtoggle span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.masthead.nav-open .navtoggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.masthead.nav-open .navtoggle span:nth-child(2){opacity:0;}
.masthead.nav-open .navtoggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
@media(max-width:860px){
  .navtoggle{display:flex;}
  .masthead .btn.book{display:none;}
  .nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:2px 22px 12px;box-shadow:0 16px 30px -22px rgba(20,16,12,.55);}
  .masthead.nav-open .nav{display:flex;}
  .nav a.navlink{width:100%;padding:14px 0;border-bottom:1px solid var(--hair);font-size:15px;letter-spacing:.02em;color:var(--ink);}
  .nav a.navlink[aria-current]{border-bottom:1px solid var(--hair);font-weight:600;}
  .nav a.navlink:last-child{border-bottom:0;}
  .navlink-cta{display:block;font-weight:600;}
}

.btn{display:inline-block;font-weight:600;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--bg);background:var(--ink);border:1px solid var(--ink);padding:13px 22px;text-decoration:none;border-radius:2px;}
.btn:hover{background:#3a2f22;}
.btn.small{padding:9px 15px;font-size:11px;letter-spacing:.15em;}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;margin-top:28px;}
.cta-meta{font-weight:600;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);}

/* ---------- post header ---------- */
.post-head{padding-top:clamp(30px,4.4vw,56px);padding-bottom:clamp(22px,3vw,32px);}
.crumbs ol{list-style:none;margin:0 0 clamp(22px,3vw,34px);padding:0;display:flex;flex-wrap:wrap;gap:4px 8px;
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--ink-2);}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--ink-3);}
.crumbs a{text-decoration:none;color:var(--ink-2);}
.crumbs a:hover{color:var(--ink);}
.crumbs [aria-current]{color:var(--ink-3);}
.post-head h1{font-size:clamp(29px,4.4vw,43px);line-height:1.1;}
.byline{margin-top:18px;font-size:13px;font-weight:500;letter-spacing:.02em;color:var(--ink-2);}
.byline a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--ink);font-weight:600;}
.byline .bi{white-space:nowrap;}
.byline .sep{margin:0 8px;color:var(--ink-3);}

/* ---------- video (click-to-load, keeps the page fast) ---------- */
.video{margin-top:0;margin-bottom:0;}
.yt{position:relative;aspect-ratio:16/9;background:var(--shot);border:1px solid var(--hair);border-radius:3px;overflow:hidden;}
.yt-link{display:block;width:100%;height:100%;position:relative;}
.yt-link img{display:block;width:100%;height:100%;object-fit:cover;}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.yt-play{position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px 0 0 -38px;border-radius:50%;
  background:rgba(42,33,24,.86);box-shadow:0 0 0 1px rgba(252,252,250,.5),0 10px 30px -10px rgba(20,16,12,.6);transition:transform .15s ease,background .15s ease;}
.yt-play::after{content:"";position:absolute;left:31px;top:24px;border-style:solid;border-width:14px 0 14px 22px;border-color:transparent transparent transparent var(--bg);}
.yt-link:hover .yt-play{background:var(--ink);transform:scale(1.05);}
.chapters{margin-top:14px;}
.chapters-h{font-size:10.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);margin:0 0 6px;}
.chapters ol{list-style:none;margin:0;padding:0;columns:2;column-gap:26px;}
.chapters li{border-top:1px solid var(--hair);break-inside:avoid;}
.chapters a{display:flex;gap:12px;align-items:baseline;padding:9px 2px;text-decoration:none;color:var(--ink);font-size:14.5px;line-height:1.4;}
.chapters a:hover span:last-child{text-decoration:underline;text-underline-offset:3px;}
.chapters .ts{flex:none;min-width:3.2em;font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--ink-2);font-variant-numeric:tabular-nums;}
@media(max-width:640px){.chapters ol{columns:1;}}

/* ---------- post body ---------- */
.post-body{padding-top:clamp(30px,4vw,46px);}
.tldr{background:var(--shot);border:1px solid var(--hair);border-left:2px solid var(--ink);border-radius:3px;padding:clamp(18px,2.4vw,24px) clamp(18px,2.6vw,26px);}
.tldr-h,.toc-h,.author-h{font-size:10.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);margin:0 0 8px;}
.tldr p:last-child{font-size:clamp(16.5px,1.8vw,18.5px);line-height:1.55;color:var(--ink);font-weight:500;}
.toc{margin-top:clamp(26px,3.4vw,36px);}
.toc ol{margin:0;padding:0;list-style:none;counter-reset:toc;border-top:1px solid var(--hair);}
.toc li{counter-increment:toc;border-bottom:1px solid var(--hair);}
.toc a{display:flex;gap:14px;align-items:baseline;padding:11px 2px;color:var(--ink);text-decoration:none;font-size:15.5px;line-height:1.4;}
.toc a::before{content:counter(toc,decimal-leading-zero);flex:none;font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.toc a:hover{text-decoration:underline;text-underline-offset:3px;}

.prose-body{margin-top:clamp(30px,4vw,44px);color:var(--ink);font-size:clamp(17px,1.8vw,18.5px);line-height:1.7;}
.prose-body p{margin:0 0 1.1em;text-wrap:pretty;}
.prose-body h2{margin:clamp(40px,5vw,56px) 0 16px;padding-top:clamp(26px,3vw,34px);border-top:1px solid var(--hair);max-width:none;}
.prose-body h3{font-size:clamp(19px,2vw,22px);font-weight:600;line-height:1.25;margin:32px 0 12px;}
.prose-body strong{font-weight:600;}
.prose-body em{font-style:italic;}
.prose-body a{text-decoration:none;border-bottom:1px solid var(--ink);font-weight:500;}
.prose-body ul,.prose-body ol{margin:0 0 1.1em;padding-left:1.3em;}
.prose-body li{margin:0 0 .45em;}
.prose-body blockquote{margin:28px 0;padding:0 0 0 20px;border-left:2px solid var(--ink);font-size:clamp(19px,2.3vw,23px);line-height:1.35;font-weight:500;}
.prose-body blockquote p{margin:0;}

.author{display:grid;grid-template-columns:88px 1fr;gap:20px;align-items:start;margin-top:clamp(40px,5vw,56px);padding-top:clamp(26px,3vw,34px);border-top:1px solid var(--hair);}
.author img{width:88px;height:88px;border-radius:50%;object-fit:cover;object-position:50% 22%;border:1px solid var(--hair);}
.author p{color:var(--ink-2);font-size:15.5px;line-height:1.6;}
.author-links{margin-top:10px!important;font-size:13px!important;font-weight:600;}
.author-links a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--ink);}
@media(max-width:520px){.author{grid-template-columns:1fr;gap:14px;}}

/* ---------- closing CTA ---------- */
.post-cta{text-align:center;padding:clamp(50px,7vw,90px) 0;margin-top:clamp(40px,6vw,72px);border-top:1px solid var(--hair);}
.post-cta h2{max-width:none;margin:0 auto;}
.post-cta .prose{margin-left:auto;margin-right:auto;max-width:52ch;}
.post-cta .cta-row{justify-content:center;}
.post-cta .btn{padding:16px 30px;font-size:13px;}

/* ---------- blog index ---------- */
.res-head{position:relative;overflow:hidden;border-bottom:1px solid var(--hair);padding:clamp(48px,7vw,90px) 0 clamp(36px,5vw,60px);}
.res-head::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(var(--grid),.14) .5px,transparent .5px),linear-gradient(90deg,rgba(var(--grid),.14) .5px,transparent .5px),
    linear-gradient(rgba(var(--grid),.06) .5px,transparent .5px),linear-gradient(90deg,rgba(var(--grid),.06) .5px,transparent .5px);
  background-size:240px 240px,240px 240px,16px 16px,16px 16px;
  -webkit-mask-image:radial-gradient(120% 120% at 85% 20%,rgba(0,0,0,.9),transparent 75%);mask-image:radial-gradient(120% 120% at 85% 20%,rgba(0,0,0,.9),transparent 75%);}
.res-head .wrap{position:relative;}
.res-head h1{max-width:none;}
.nowrap{white-space:nowrap;}
.res-list{padding:clamp(36px,5vw,60px) 0 0;}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(22px,3vw,36px);}
.card-link{display:block;text-decoration:none;color:inherit;}
.card img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--hair);border-radius:3px;}
.card-txt{padding-top:16px;}
.card .eyebrow{margin-bottom:8px;}
.card h2{font-size:clamp(20px,2.3vw,25px);line-height:1.2;}
.card-link:hover h2{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;}
.card-desc{color:var(--ink-2);font-size:15.5px;line-height:1.55;margin-top:10px;}
.card-meta{margin-top:12px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);}
.draft-tag{display:inline-block;margin-left:6px;padding:1px 7px;border:1px dashed var(--ink-3);border-radius:2px;letter-spacing:.1em;}
@media(max-width:760px){.cards{grid-template-columns:1fr;}}

footer{padding:34px 0 52px;border-top:1px solid var(--hair);}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;font-size:12.5px;color:var(--ink-2);letter-spacing:.02em;}
footer a{color:var(--ink-2);text-decoration:none;}
footer a:hover{color:var(--ink);}
footer .wrap{align-items:center;}
footer .footer-right{display:flex;align-items:center;gap:14px;}
footer .social{display:flex;align-items:center;gap:6px;margin:-7px -7px -7px 0;}
footer .social a{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--ink-2);text-decoration:none;border-radius:2px;transition:color .15s;}
footer .social a:hover,footer .social a:focus-visible{color:var(--ink);}

@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;}html{scroll-behavior:auto;}}