/* ═══════════════════════════════════════════════════════════════
   blog.css — the public blog.
   One stylesheet, no framework, no JS dependency. Palette and type
   match the portfolio so the blog reads as part of the same site.
   ═══════════════════════════════════════════════════════════════ */

:root{
  --ink:#0C0C0D;
  --ink-2:#101011;
  --raised:#151516;
  --panel:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.055);

  --ember:#FF5123;
  --ember-2:#F5391B;
  --gold:#E8A62E;
  --ember-dim:rgba(255,81,35,.12);
  --ember-line:rgba(255,81,35,.34);

  --text:#FFFFFF;
  --muted:#E4E1DC;
  --faint:#B8B3AB;

  --g-cta:linear-gradient(135deg,#FF9153 0%,#FF5123 55%,#F5391B 100%);
  --g-text:linear-gradient(120deg,#FFB877,#FF5123 48%,#F5391B);
  --g-glass:linear-gradient(160deg,rgba(32,31,33,.86),rgba(19,19,21,.93));

  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;

  --wrap:1160px; --narrow:760px; --navh:64px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--navh) + 20px)}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:var(--body);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--display);margin:0;letter-spacing:-.028em;line-height:1.12;text-wrap:balance}
p{margin:0}
img{max-width:100%;height:auto;display:block}
a{color:var(--ember);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:var(--narrow)}
[hidden]{display:none!important}

/* ════════ NAV ════════ */
.nav{
  position:sticky;top:0;z-index:60;height:var(--navh);
  background:rgba(12,12,13,.82);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-2);
}
.nav .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:11px;color:inherit;text-decoration:none}
.logo:hover{text-decoration:none}
.logo svg{width:32px;height:32px;flex:none}
.logo-txt{display:flex;flex-direction:column;line-height:1.15}
.logo-txt b{font-family:var(--display);font-size:15px;font-weight:700;letter-spacing:-.02em}
.logo-txt span{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.nav-right{display:flex;align-items:center;gap:22px}
.nav-right > a{
  font-size:14.5px;font-weight:500;color:var(--muted);
}
.nav-right > a:hover{color:var(--text);text-decoration:none}
.btn-sm{
  background:var(--g-cta);color:#1A0800!important;font-weight:700;font-size:14px;
  padding:10px 17px;border-radius:11px;white-space:nowrap;
  box-shadow:0 10px 26px -12px rgba(255,81,35,.7);
}
.btn-sm:hover{filter:brightness(1.07);text-decoration:none}

/* ════════ BLOG INDEX ════════ */
.blog-index{padding:64px 0 40px}
.bi-head{max-width:44ch;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;font-family:var(--mono);font-size:11px;
  letter-spacing:.15em;text-transform:uppercase;color:var(--ember);
  background:var(--ember-dim);border:1px solid var(--ember-line);
  padding:7px 14px;border-radius:99px;
}
.bi-head h1{font-size:clamp(38px,6vw,62px);font-weight:800;margin-top:20px}
.lede{color:var(--muted);font-size:18.5px;margin-top:18px;line-height:1.65}

.lead-card{
  display:block;background:var(--g-glass);border:1px solid var(--line);
  border-radius:22px;padding:34px 32px;margin-bottom:30px;color:inherit;
  position:relative;overflow:hidden;transition:border-color .2s,transform .2s;
}
.lead-card::before{
  content:"";position:absolute;inset:-1px -1px auto;height:2px;
  background:linear-gradient(90deg,transparent,var(--ember),transparent);opacity:.6;
}
.lead-card:hover{border-color:var(--ember-line);transform:translateY(-3px);text-decoration:none}
.lead-k{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ember);
}
.lead-card h2{font-size:clamp(24px,3.4vw,34px);font-weight:700;margin-top:14px;max-width:22ch}
.lead-card p{color:var(--muted);margin-top:14px;max-width:62ch;font-size:16.5px}
.lead-m{
  display:block;margin-top:18px;font-family:var(--mono);font-size:11.5px;
  letter-spacing:.06em;color:var(--faint);
}

.tagbar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px}
.tb{
  font-family:var(--body);font-size:13.5px;font-weight:500;
  background:rgba(255,255,255,.045);border:1px solid var(--line);color:var(--muted);
  padding:9px 15px;border-radius:99px;cursor:pointer;transition:.18s;
}
.tb i{font-style:normal;color:var(--faint);font-size:11.5px;margin-left:3px}
.tb:hover{border-color:rgba(255,255,255,.22);color:var(--text)}
.tb.on{background:var(--ember-dim);border-color:var(--ember-line);color:var(--ember);font-weight:600}
.tb.on i{color:var(--ember)}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{
  background:var(--g-glass);border:1px solid var(--line);border-radius:18px;
  transition:border-color .2s,transform .2s;
}
.card:hover{border-color:var(--ember-line);transform:translateY(-3px)}
.card > a{display:flex;flex-direction:column;height:100%;padding:24px 22px;color:inherit}
.card > a:hover{text-decoration:none}
.card-k{
  font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--gold);
}
.card h3{font-size:19.5px;font-weight:700;margin-top:12px;line-height:1.3}
.card p{color:var(--faint);font-size:14.5px;margin-top:11px;flex:1;line-height:1.6}
.card-m{
  margin-top:18px;font-family:var(--mono);font-size:11px;letter-spacing:.05em;color:var(--faint);
}
.empty{color:var(--faint);grid-column:1/-1;padding:40px 0}

/* ════════ POST ════════ */
.post{padding:36px 0 40px}
.crumbs{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;color:var(--faint);
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:30px;
}
.crumbs a{color:var(--faint)}
.crumbs a:hover{color:var(--ember)}
.crumbs span[aria-current]{color:var(--muted)}

.post-head{margin-bottom:30px}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px}
.tag{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ember);background:var(--ember-dim);border:1px solid var(--ember-line);
  padding:6px 12px;border-radius:99px;
}
.tag:hover{text-decoration:none;filter:brightness(1.15)}
.post-head h1{font-size:clamp(32px,5.4vw,52px);font-weight:800;letter-spacing:-.033em}
.standfirst{
  color:var(--muted);font-size:20px;line-height:1.6;margin-top:20px;max-width:60ch;
}
.byline{display:flex;align-items:center;gap:13px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line-2)}
.byline img{width:40px;height:40px;border-radius:99px;object-fit:cover;flex:none}
.byline b{font-size:14.5px;font-weight:600;display:block}
.byline .meta{
  display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--faint);margin-top:2px;
}
.byline .upd{color:var(--gold)}

.hero-img{margin:0 0 32px;border-radius:16px;overflow:hidden;border:1px solid var(--line)}

.takeaway{
  background:linear-gradient(160deg,rgba(232,166,46,.10),rgba(232,166,46,.04));
  border:1px solid rgba(232,166,46,.30);border-radius:14px;
  padding:22px 24px;margin:0 0 32px;
}
.takeaway h2{
  font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.15em;
  text-transform:uppercase;color:var(--gold);
}
.takeaway p{margin-top:11px;color:var(--muted);font-size:17px;line-height:1.65}

.toc{
  background:rgba(255,255,255,.035);border:1px solid var(--line-2);
  border-radius:14px;padding:22px 26px;margin:0 0 36px;
}
.toc-h{
  font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.15em;
  text-transform:uppercase;color:var(--faint);
}
.toc ol{margin:13px 0 0;padding-left:20px;color:var(--muted)}
.toc li{margin:7px 0;font-size:15.5px}
.toc a{color:var(--muted)}
.toc a:hover{color:var(--ember)}

/* ── the article body ── */
.prose{font-size:17.5px;line-height:1.78;color:var(--muted)}
.prose > * + *{margin-top:22px}
.prose h2{
  font-size:clamp(24px,3.4vw,31px);font-weight:700;color:var(--text);
  margin-top:52px;padding-top:6px;letter-spacing:-.028em;
}
.prose h3{font-size:20px;font-weight:700;color:var(--text);margin-top:36px}
.prose h4{font-size:17px;font-weight:700;color:var(--text);margin-top:28px}
.prose strong,.prose b{color:var(--text);font-weight:600}
.prose a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose ul,.prose ol{margin:22px 0;padding-left:24px}
.prose li{margin:9px 0}
.prose li::marker{color:var(--ember)}
.prose blockquote{
  margin:30px 0;padding:4px 0 4px 22px;border-left:3px solid var(--ember);
  color:var(--text);font-size:19px;line-height:1.6;font-style:normal;
}
.prose code{
  font-family:var(--mono);font-size:.87em;background:rgba(255,255,255,.07);
  border:1px solid var(--line-2);border-radius:6px;padding:2px 6px;color:#FFD2BF;
}
.prose pre{
  background:#131315;border:1px solid var(--line);border-radius:12px;
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.65;
}
.prose pre code{background:0;border:0;padding:0;color:var(--muted)}
.prose img{border-radius:12px;border:1px solid var(--line);margin:30px 0}
.prose figure{margin:30px 0}
.prose figcaption{
  font-family:var(--mono);font-size:11.5px;color:var(--faint);
  margin-top:10px;text-align:center;letter-spacing:.03em;
}
.prose hr{border:0;border-top:1px solid var(--line);margin:44px 0}

/* tables scroll rather than blowing out the page on mobile */
.prose .table-wrap{overflow-x:auto;margin:30px 0;border:1px solid var(--line);border-radius:12px}
.prose table{border-collapse:collapse;width:100%;font-size:15px;min-width:520px}
.prose th,.prose td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-2)}
.prose th{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--faint);background:rgba(255,255,255,.035);font-weight:600;
}
.prose tr:last-child td{border-bottom:0}
.prose td strong{color:var(--gold)}

/* a callout box for the "do this" bits */
.prose .note{
  background:rgba(255,81,35,.07);border:1px solid var(--ember-line);
  border-radius:12px;padding:18px 22px;margin:30px 0;font-size:16.5px;
}
.prose .note b:first-child{color:var(--ember)}

/* ── FAQ ── */
.faq{margin-top:56px;padding-top:36px;border-top:1px solid var(--line)}
.faq h2{font-size:clamp(24px,3.4vw,31px);font-weight:700;margin-bottom:18px}
.faq details{
  border:1px solid var(--line);border-radius:12px;padding:0 20px;margin-top:10px;
  background:rgba(255,255,255,.03);
}
.faq summary{
  cursor:pointer;padding:17px 0;font-weight:600;color:var(--text);font-size:16.5px;
  list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--ember);font-size:21px;font-weight:400;flex:none}
.faq details[open] summary::after{content:"\2212"}
.faq details p{padding:0 0 19px;color:var(--muted);font-size:16px;line-height:1.7}

/* ── related ── */
.related{margin-top:60px;padding-top:36px;border-top:1px solid var(--line)}
.related h2{font-size:24px;font-weight:700;margin-bottom:18px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rel-card{
  display:flex;flex-direction:column;gap:9px;padding:20px 18px;color:inherit;
  background:var(--g-glass);border:1px solid var(--line);border-radius:14px;transition:.2s;
}
.rel-card:hover{border-color:var(--ember-line);transform:translateY(-3px);text-decoration:none}
.rel-k{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
.rel-card b{font-family:var(--display);font-size:16.5px;font-weight:700;line-height:1.32}
.rel-x{color:var(--faint);font-size:13.5px;line-height:1.55}

/* ════════ FOOTER ════════ */
.foot{margin-top:80px;border-top:1px solid var(--line);background:var(--ink-2)}
.foot-cta{text-align:center;padding:64px 0 52px;max-width:56ch;margin:0 auto}
.foot-cta h2{font-size:clamp(26px,4vw,38px);font-weight:700}
.foot-cta p{color:var(--muted);margin-top:16px;font-size:17px}
.btn{
  display:inline-block;margin-top:26px;background:var(--g-cta);color:#1A0800;
  font-weight:700;font-size:16px;padding:16px 30px;border-radius:13px;
  box-shadow:0 14px 34px -14px rgba(255,81,35,.8);transition:.2s;
}
.btn:hover{transform:translateY(-2px);filter:brightness(1.06);text-decoration:none}
.foot-bar{
  border-top:1px solid var(--line-2);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--faint);
}
.foot-links{display:flex;flex-wrap:wrap;gap:16px}
.foot-links a{color:var(--faint)}
.foot-links a:hover{color:var(--ember)}

/* ════════ RESPONSIVE ════════ */
@media (max-width:960px){
  .grid,.rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:700px){
  body{font-size:16.5px}
  .grid,.rel-grid{grid-template-columns:1fr}
  .nav-right{gap:14px}
  .nav-right > a:not(.btn-sm){display:none}
  .blog-index{padding:44px 0 30px}
  .lead-card{padding:26px 22px}
  .prose{font-size:17px}
  .standfirst{font-size:18px}
  .toc,.takeaway{padding:18px 20px}
  .foot-bar{flex-direction:column;gap:14px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .card:hover,.lead-card:hover,.rel-card:hover,.btn:hover{transform:none}
}

/* readable printout of an article */
@media print{
  .nav,.foot-cta,.related,.tagbar,.toc{display:none}
  body{background:#fff;color:#111;font-size:12pt}
  .prose,.standfirst{color:#222}
  h1,h2,h3,.prose strong{color:#000}
  a{color:#000;text-decoration:underline}
}

/* ════════ THEME TOGGLE BUTTON ════════ */
.theme-t{
  width:36px;height:36px;flex:none;
  display:inline-grid;place-items:center;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line,rgba(255,255,255,.1));
  border-radius:10px;color:var(--faint,#B8B3AB);
  cursor:pointer;padding:0;
  transition:color .18s ease,border-color .18s ease,background .18s ease,transform .18s ease;
}
.theme-t:hover{
  color:var(--ember,#FF5123);
  border-color:var(--ember-line,rgba(255,81,35,.34));
  background:rgba(255,255,255,.08);
  transform:translateY(-1px);
}
.theme-t:active{transform:translateY(0)}
.theme-t svg{
  width:17px;height:17px;display:block;
  fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}
/* dark (default) offers the sun; light offers the moon */
.theme-t .ic-moon{display:none}
[data-theme="light"] .theme-t .ic-sun{display:none}
[data-theme="light"] .theme-t .ic-moon{display:block}
[data-theme="light"] .theme-t{background:rgba(20,20,22,.04)}
[data-theme="light"] .theme-t:hover{background:rgba(20,20,22,.07)}
@media (prefers-reduced-motion:reduce){
  .theme-t,.theme-t:hover{transition:none;transform:none}
}

/* ════════ LIGHT THEME ════════
   Opt-in only; dark remains the default. Accents darkened for contrast
   against a white ground. */
:root[data-theme="light"]{
  --ink:#FBFAF8;
  --ink-2:#F5F3EF;
  --raised:#FFFFFF;
  --panel:rgba(20,20,22,.035);
  --line:rgba(20,20,22,.13);
  --line-2:rgba(20,20,22,.075);

  --ember:#B32E09;
  --ember-2:#8F2306;
  --gold:#8A5E0F;
  --ember-dim:rgba(179,46,9,.08);
  --ember-line:rgba(179,46,9,.32);

  --text:#141416;
  --muted:#3A373F;
  --faint:#6B665D;

  --g-text:linear-gradient(120deg,#D2571A,#B32E09 48%,#8F2306);
  --g-glass:linear-gradient(160deg,#FFFFFF,#F7F5F1);
  color-scheme:light;
}

:root[data-theme="light"] .nav{background:rgba(251,250,248,.86)}
:root[data-theme="light"] .lead-card,
:root[data-theme="light"] .card,
:root[data-theme="light"] .rel-card{
  box-shadow:0 16px 36px -26px rgba(20,20,22,.30);
}
:root[data-theme="light"] .tb{background:rgba(20,20,22,.035)}
:root[data-theme="light"] .toc{background:#F7F5F1}
:root[data-theme="light"] .faq details{background:#FFFFFF}
:root[data-theme="light"] .takeaway{
  background:linear-gradient(160deg,rgba(138,94,15,.08),rgba(138,94,15,.03));
  border-color:rgba(138,94,15,.28);
}
:root[data-theme="light"] .prose code{
  background:rgba(20,20,22,.05);color:#93280A;
}
:root[data-theme="light"] .prose pre{background:#F5F3EF}
:root[data-theme="light"] .prose pre code{color:var(--muted)}
:root[data-theme="light"] .prose th{background:rgba(20,20,22,.035)}
:root[data-theme="light"] .prose .note{background:rgba(217,59,16,.05)}
:root[data-theme="light"] .foot{background:var(--ink-2)}
:root[data-theme="light"] .social-bar .sc{background:rgba(20,20,22,.04)}

/* no cross-fade while the theme flips — see the toggle script */
.theme-switching *,
.theme-switching *::before,
.theme-switching *::after{
  transition:none!important;animation:none!important;
}

/* ═══════════════════════════════════════════════════════════════
   SMALL SCREENS & TOUCH TARGETS
   The nav overflowed at 320px, and several controls sat under the
   44px that WCAG 2.5.5 asks for on a touch screen.
   ═══════════════════════════════════════════════════════════════ */
@media (max-width:400px){
  .nav .wrap{padding:0 14px;gap:10px}
  .logo svg{width:28px;height:28px}
  .logo-txt b{font-size:13.5px}
  .logo-txt span{font-size:8.5px;letter-spacing:.1em}
  .btn-sm{padding:10px 13px;font-size:13px}
  .nav-right{gap:8px}
}
@media (max-width:340px){
  /* at this width the wordmark alone is enough — the CTA repeats below */
  .logo-txt span{display:none}
  .btn-sm{padding:9px 11px;font-size:12.5px}
}
@media (max-width:360px){
  /* Below this, the mark plus the theme toggle plus a CTA that reads
     "Free consultation" cannot all fit — the CTA was pushed 8px off screen.
     The logo mark alone still identifies the site, so drop the wordmark. */
  .logo-txt{display:none}
  .nav .wrap{gap:10px}
}

/* touch devices only, so the desktop design is untouched */
@media (pointer:coarse){
  .theme-t{width:44px;height:44px}
  .tb{padding:12px 16px;min-height:44px}
  .foot-links a{display:inline-flex;align-items:center;min-height:44px}
  .crumbs a{display:inline-flex;align-items:center;min-height:44px}
  .logo{min-height:44px}
  .btn-sm,.nav-right > a{display:inline-flex;align-items:center;min-height:44px}
}
@media (pointer:coarse){
  .tag{min-height:44px;display:inline-flex;align-items:center}
  .toc a{display:inline-flex;align-items:center;min-height:44px}
  .toc li{margin:0}
  .rel-card,.card > a,.lead-card{min-height:44px}
}