/* Blog pages — shares tokens and chrome with the homepage (index.html). */
:root{
  --paper:#F5EFE7;
  --paper-2:#EFE7DA;
  --ink:#1B1A16;
  --ink-soft:#4F4B42;
  --muted:#8B8476;
  --line:rgba(27,26,22,.16);
  --line-soft:rgba(27,26,22,.09);
  --accent:#8E5DB0;
  --serif:'Newsreader', Georgia, 'Times New Roman', serif;
  --display:'Fraunces', Georgia, serif;
  --sans:'Jost', 'Helvetica Neue', Arial, sans-serif;
  --pad:clamp(1.5rem, 5vw, 6rem);
  --maxw:1280px;
  --col:68ch;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--paper);color:var(--ink);font-family:var(--serif);
  font-size:18px;line-height:1.72;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
::selection{background:var(--accent);color:var(--paper)}
img{max-width:100%;display:block}
[hidden]{display:none!important}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* ---------- header ---------- */
header.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .4s ease, background .4s ease, padding .4s ease;
}
header.nav.scrolled{border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--paper) 92%, transparent)}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:1.15rem var(--pad);
  display:flex;align-items:center;justify-content:space-between;transition:padding .4s ease;
}
header.nav.scrolled .nav-inner{padding-top:.75rem;padding-bottom:.75rem}
.brand{display:flex;align-items:center;gap:.7rem;position:relative;z-index:60}
.brand .wm{font-family:var(--sans);font-weight:500;font-size:.82rem;letter-spacing:.2em;text-transform:uppercase;line-height:1}
.brand img.inf{height:26px;width:auto;display:inline-block;vertical-align:middle}
nav.links{display:flex;gap:2.1rem;align-items:center}
nav.links a{
  font-family:var(--sans);font-weight:400;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-soft);position:relative;padding:.2rem 0;transition:color .25s ease;
}
nav.links a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent);transition:width .3s ease}
nav.links a:hover{color:var(--ink)}
nav.links a:hover::after{width:100%}
nav.links a[aria-current="page"]{color:var(--ink)}
nav.links a[aria-current="page"]::after{width:100%}
nav.links a.cta{
  color:var(--ink);border:1px solid var(--line);padding:.55rem 1.1rem;border-radius:100px;
  transition:background .3s ease,color .3s ease,border-color .3s ease;
}
nav.links a.cta::after{display:none}
nav.links a.cta:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.menu-toggle{display:none}

/* ---------- blog index ---------- */
.page-head{padding:clamp(8rem,16vw,11rem) 0 clamp(2rem,5vw,3rem)}
.index-tag{font-family:var(--sans);font-weight:400;font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.page-head h1{
  font-family:var(--display);font-weight:400;font-optical-sizing:auto;
  font-size:clamp(2.6rem,7vw,5rem);line-height:1.02;letter-spacing:-.015em;margin-top:1.1rem;
}
.post-list{padding:0 0 clamp(5rem,10vw,8rem)}
.post-card{display:block;padding:clamp(1.8rem,4vw,2.6rem) 0;border-bottom:1px solid var(--line)}
.post-card:first-child{border-top:1px solid var(--line)}
.post-meta{
  font-family:var(--sans);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  display:flex;gap:1.2rem;flex-wrap:wrap;align-items:center;
}
.post-card h2{
  font-family:var(--display);font-weight:400;font-optical-sizing:auto;
  font-size:clamp(1.6rem,3.6vw,2.6rem);line-height:1.1;letter-spacing:-.015em;
  margin:.9rem 0 .6rem;max-width:22ch;transition:color .25s ease;
}
.post-card:hover h2{color:var(--accent)}
.post-card p{max-width:var(--col);color:var(--ink-soft);font-size:1.08rem}
.post-card .more{
  display:inline-flex;align-items:center;gap:.5rem;margin-top:1.1rem;
  font-family:var(--sans);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);
}
.post-card .more .arrow{transition:transform .3s ease}
.post-card:hover .more .arrow{transform:translateX(4px)}

/* ---------- article ---------- */
.article-head{padding:clamp(8rem,16vw,11rem) 0 clamp(2rem,5vw,3rem);border-bottom:1px solid var(--line)}
.back-link{
  font-family:var(--sans);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  display:inline-flex;align-items:center;gap:.5rem;transition:color .25s ease;
}
.back-link:hover{color:var(--ink)}
.back-link .arrow{transition:transform .3s ease}
.back-link:hover .arrow{transform:translateX(-4px)}
.article-head h1{
  font-family:var(--display);font-weight:400;font-optical-sizing:auto;
  font-size:clamp(2.3rem,5.4vw,4.2rem);line-height:1.04;letter-spacing:-.015em;
  margin:1.4rem 0 1.2rem;max-width:20ch;
}
.article-head .back-link[hidden] + h1{margin-top:0}
.byline{
  font-family:var(--sans);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  display:flex;gap:1.2rem;flex-wrap:wrap;align-items:center;
}
.byline b{color:var(--ink);font-weight:500}

.article-body{padding:clamp(2.8rem,6vw,4.5rem) 0 clamp(5rem,10vw,8rem)}
.article-body .wrap{max-width:calc(960px + 2 * var(--pad))}
.article-body p{font-size:1.16rem;line-height:1.75;max-width:var(--col);margin-left:auto;margin-right:auto}
.article-body p + p{margin-top:1.4rem}
.article-body .sign{font-family:var(--display);font-style:italic}
.article-body a[href]{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-body figure{font-size:1.16rem;max-width:var(--col);margin:2rem auto}
.article-body figure.figure-card{max-width:500px}
.article-body figure img{width:100%;height:auto;border:1px solid var(--line-soft)}
.article-body figure + p{margin-top:2.4rem}
.article-foot{
  max-width:var(--col);margin:clamp(3rem,6vw,4.5rem) auto 0;
  padding-top:clamp(2rem,4vw,3rem);border-top:1px solid var(--line);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity 1s cubic-bezier(.2,.7,.2,1),transform 1s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}

@media (max-width:820px){
  body{font-size:17px}
  nav.links{display:none}
  nav.links.open{
    display:flex;flex-direction:column;gap:1.4rem;
    /* viewport sizing (not inset:0) so the overlay fills the screen even though the
       backdrop-filtered header is the containing block for this fixed element */
    position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;
    background:var(--paper);overflow-y:auto;
    padding:6rem var(--pad);align-items:flex-start;justify-content:flex-start;z-index:40;
  }
  nav.links.open a{font-size:1.1rem}
  .menu-toggle{display:flex;flex-direction:column;gap:5px;z-index:60;background:none;border:0;cursor:pointer;padding:.4rem}
  .menu-toggle span{width:24px;height:1.5px;background:var(--ink);transition:.3s}
  .menu-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .menu-toggle.open span:nth-child(2){opacity:0}
  .menu-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}