/* ============================================================
   Shared styles for the blog index + article pages.
   Matches the design tokens used in portfolio.html.
   ============================================================ */
:root{
  --paper:#FBFAF8;
  --card:#FFFFFF;
  --soft:#F1F0EC;
  --ink:#141413;
  --ink-2:#6E6C66;
  --ink-3:#9A988F;
  --line:#E7E5DF;
  --black:#0E0D0C;
  --on-black:#F3F1EC;
  --on-black-2:#A7A49C;
  --live:#3FAE6B;
  --radius:18px;
  --maxw:1120px;
  --measure:680px;
  --pad:24px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Inter",system-ui,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
::selection{background:var(--ink);color:var(--paper);}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);}
.display{font-family:"Inter Tight",sans-serif;font-weight:600;letter-spacing:-0.035em;line-height:0.94;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--ink-2);border:1px solid var(--line);background:var(--card);padding:7px 14px;border-radius:999px;letter-spacing:-0.01em;}
.lead{color:var(--ink-2);font-size:15px;line-height:1.6;}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px;}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:"Inter",sans-serif;font-weight:500;font-size:14px;padding:13px 22px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .25s ease,background .25s ease,color .25s ease,border-color .25s ease;white-space:nowrap;}
.btn--dark{background:var(--black);color:var(--on-black);}
.btn--dark:hover{transform:translateY(-2px);}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}

/* nav */
header.nav{position:sticky;top:0;z-index:50;background:rgba(251,250,248,.82);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s ease;}
header.nav.scrolled{border-color:var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{display:flex;align-items:center;}
.logo img{height:48px;width:auto;display:block;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{font-size:14.5px;color:var(--ink-2);transition:color .2s ease;}
.nav-links a:hover,.nav-links a.active{color:var(--ink);}
.nav-right{display:flex;align-items:center;gap:14px;}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:42px;height:42px;cursor:pointer;color:var(--ink);}

/* blog index hero */
.blog-hero{padding:64px 0 30px;}
.blog-hero h1{font-size:clamp(3.2rem,11vw,7rem);margin:18px 0 0;}
.blog-hero p{color:var(--ink-2);font-size:17px;max-width:48ch;margin:22px 0 0;}

/* featured + grid */
.feature{display:grid;grid-template-columns:1.1fr .9fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card);margin:46px 0;transition:box-shadow .3s ease,transform .3s ease;}
.feature:hover{box-shadow:0 24px 60px -34px rgba(20,20,19,.32);transform:translateY(-3px);}
.feature .art{min-height:300px;background:linear-gradient(135deg,#46443d,#16150F);position:relative;}
.feature .art .badge{position:absolute;left:18px;top:18px;font-size:11px;color:rgba(255,255,255,.85);background:rgba(0,0,0,.32);padding:4px 11px;border-radius:7px;backdrop-filter:blur(2px);}
.feature .body{padding:38px 36px;display:flex;flex-direction:column;justify-content:center;}
.feature .kicker{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--ink-3);margin-bottom:16px;}
.feature .kicker .tag{color:var(--ink);font-weight:500;}
.feature h2{font-family:"Inter Tight",sans-serif;font-weight:600;letter-spacing:-0.025em;line-height:1.08;font-size:clamp(1.5rem,3vw,2.1rem);margin:0 0 14px;}
.feature p{color:var(--ink-2);font-size:15px;margin:0 0 24px;}
.feature .more{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:500;}
.feature .more svg{transition:transform .25s ease;}
.feature:hover .more svg{transform:translateX(4px);}

.index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:14px 0 90px;}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .28s ease,box-shadow .28s ease;}
.post-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -24px rgba(20,20,19,.25);}
.post-card .thumb{height:158px;position:relative;}
.post-card .thumb .badge{position:absolute;left:14px;top:14px;font-size:11px;color:rgba(255,255,255,.85);background:rgba(0,0,0,.3);padding:3px 9px;border-radius:6px;}
.post-card .pc-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.post-card .kicker{display:flex;gap:9px;align-items:center;font-size:12px;color:var(--ink-3);margin-bottom:13px;}
.post-card .kicker .tag{color:var(--ink);font-weight:500;}
.post-card h3{font-family:"Inter Tight",sans-serif;font-weight:600;letter-spacing:-0.02em;font-size:1.18rem;line-height:1.18;margin:0 0 11px;}
.post-card p{color:var(--ink-2);font-size:13.5px;margin:0 0 20px;flex:1;}
.post-card .more{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;}
.post-card .more svg{transition:transform .25s ease;}
.post-card:hover .more svg{transform:translateX(3px);}

.g1{background:linear-gradient(135deg,#3a3936,#16150F);}
.g2{background:linear-gradient(135deg,#5b5750,#2b2924);}
.g3{background:linear-gradient(135deg,#46443d,#201f1a);}
.g4{background:linear-gradient(135deg,#54514a,#2d2b25);}

/* ===================== ARTICLE ===================== */
.article-head{padding:54px 0 8px;}
.article-head .back{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);margin-bottom:30px;transition:gap .2s ease,color .2s ease;}
.article-head .back:hover{gap:12px;color:var(--ink);}
.article-head .kicker{display:flex;gap:11px;align-items:center;font-size:13px;color:var(--ink-3);margin-bottom:20px;}
.article-head .kicker .tag{color:var(--ink);font-weight:500;border:1px solid var(--line);padding:5px 12px;border-radius:999px;}
.article-head h1{font-family:"Inter Tight",sans-serif;font-weight:600;letter-spacing:-0.03em;line-height:1.04;font-size:clamp(2.1rem,5.2vw,3.4rem);margin:0;max-width:20ch;}
.article-head .standfirst{color:var(--ink-2);font-size:18px;line-height:1.55;margin:22px 0 0;max-width:var(--measure);}
.byline{display:flex;align-items:center;gap:13px;margin:30px 0 0;padding-bottom:30px;border-bottom:1px solid var(--line);}
.byline .av{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#cfccc4,#57544e);display:grid;place-items:center;color:#fff;font-weight:600;font-size:14px;}
.byline .who b{font-family:"Inter Tight",sans-serif;font-weight:600;font-size:14.5px;}
.byline .who span{display:block;color:var(--ink-2);font-size:13px;}

.cover{height:clamp(220px,38vw,420px);border-radius:var(--radius);margin:36px 0 8px;position:relative;border:1px solid var(--line);}
.cover .badge{position:absolute;left:16px;bottom:14px;font-size:11px;color:rgba(255,255,255,.82);background:rgba(0,0,0,.3);padding:4px 10px;border-radius:7px;}

.prose{max-width:var(--measure);margin:0 auto;padding:30px 0 20px;}
.prose>*{margin-left:auto;margin-right:auto;}
.prose p{font-size:17.5px;line-height:1.72;color:#27261F;margin:0 0 22px;}
.prose h2{font-family:"Inter Tight",sans-serif;font-weight:600;letter-spacing:-0.02em;font-size:1.7rem;line-height:1.2;margin:46px 0 16px;}
.prose h3{font-family:"Inter Tight",sans-serif;font-weight:600;letter-spacing:-0.01em;font-size:1.22rem;margin:34px 0 12px;}
.prose ul,.prose ol{font-size:17.5px;line-height:1.7;color:#27261F;padding-left:1.2em;margin:0 0 22px;}
.prose li{margin:0 0 10px;}
.prose li::marker{color:var(--ink-3);}
.prose strong{font-weight:600;color:var(--ink);}
.prose a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--ink-3);text-underline-offset:3px;}
.prose a:hover{text-decoration-color:var(--ink);}
.prose blockquote{margin:32px 0;padding:6px 0 6px 24px;border-left:3px solid var(--ink);font-family:"Newsreader",serif;font-style:italic;font-size:1.4rem;line-height:1.45;color:var(--ink);}
.prose figure{margin:30px 0;}
.prose hr{border:0;border-top:1px solid var(--line);margin:42px 0;}
.prose code{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em;background:var(--soft);padding:2px 6px;border-radius:6px;border:1px solid var(--line);}
.prose pre{background:var(--black);color:#E8E6DE;border-radius:14px;padding:22px;overflow-x:auto;font-family:"JetBrains Mono",ui-monospace,monospace;font-size:13.5px;line-height:1.65;margin:0 0 26px;}
.prose pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit;}
.prose pre .c{color:#8d8a80;}
.prose pre .k{color:#9ec1ff;}
.prose pre .s{color:#bfe5b0;}

.callout{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:24px 26px;margin:30px auto;}
.callout h4{font-family:"Inter Tight",sans-serif;font-weight:600;font-size:1rem;margin:0 0 12px;display:flex;align-items:center;gap:9px;}
.callout ul{margin:0;padding-left:1.1em;font-size:15.5px;color:#27261F;}
.callout li{margin-bottom:8px;}
.callout p{font-size:15.5px;color:#27261F;margin:0;}

.article-foot{max-width:var(--measure);margin:30px auto 0;padding:30px 0 0;border-top:1px solid var(--line);}
.tags{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:34px;}
.tags span{font-size:12.5px;color:var(--ink-2);border:1px solid var(--line);padding:6px 13px;border-radius:999px;}
.author-box{display:flex;gap:16px;align-items:flex-start;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
.author-box .av{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,#cfccc4,#57544e);display:grid;place-items:center;color:#fff;font-weight:600;flex:none;}
.author-box b{font-family:"Inter Tight",sans-serif;font-weight:600;font-size:1.05rem;}
.author-box p{color:var(--ink-2);font-size:14px;margin:8px 0 0;}

/* related */
.related{padding:64px 0 80px;}
.related h2{font-family:"Inter Tight",sans-serif;font-weight:600;letter-spacing:-0.02em;font-size:1.5rem;margin:0 0 26px;}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}

/* footer (shared, compact) */
footer{background:var(--black);color:var(--on-black);padding:64px 0 36px;margin-top:40px;}
.foot-top{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);}
.foot-top .logo img{filter:brightness(0) invert(1);}
.foot-top p{color:var(--on-black-2);font-size:14px;max-width:34ch;margin:16px 0 0;}
.foot-nav{display:flex;gap:26px;flex-wrap:wrap;}
.foot-nav a{color:var(--on-black-2);font-size:14px;transition:color .2s ease;}
.foot-nav a:hover{color:var(--on-black);}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;flex-wrap:wrap;}
.foot-bottom small{color:var(--ink-3);font-size:13px;}
.socials{display:flex;gap:10px;}
.socials a{width:38px;height:38px;border:1px solid rgba(255,255,255,.14);border-radius:50%;display:grid;place-items:center;color:var(--on-black-2);transition:.2s;}
.socials a:hover{background:var(--on-black);color:var(--black);border-color:var(--on-black);}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}

@media (max-width:900px){
  .nav-links{display:none;}
  .menu-btn{display:grid;place-items:center;}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px var(--pad) 16px;}
  .nav-links.open a{padding:12px 0;width:100%;border-bottom:1px solid var(--line);}
  .feature{grid-template-columns:1fr;}
  .feature .art{min-height:200px;}
  .index-grid{grid-template-columns:1fr 1fr;}
  .related-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .index-grid{grid-template-columns:1fr;}
  .prose p,.prose ul,.prose ol{font-size:16.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}