/* =========================================================
   ASET — Advanced Science and Engineering Transactions
   Shared stylesheet
   Structured in sections that map cleanly to WordPress:
   tokens -> base -> layout (header/spine/footer) -> components -> page-specific
   ========================================================= */

/* ---------- 1. Design tokens ---------- */
:root{
  --paper:#F6F5F1;
  --paper-raised:#FFFFFF;
  --ink:#15181C;
  --ink-soft:#3A3F45;
  --slate:#6B7280;
  --slate-light:#9CA3AF;
  --blue:#1F3FE0;
  --blue-tint:#EEF1FD;
  --amber:#D98E04;
  --line:rgba(21,24,28,0.13);
  --line-strong:rgba(21,24,28,0.22);

  --font-serif:'Source Serif 4', Georgia, serif;
  --font-sans:'Archivo', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:'Space Mono', 'Courier New', monospace;

  --spine-w:48px;
  --max-w:1280px;
  --radius:2px;
}

/* ---------- 2. Reset & base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;cursor:pointer;}
input,textarea,select{font:inherit;}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important;}
}

:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}

/* ---------- 3. Page shell / app layout ---------- */
.site{
  display:flex;
  min-height:100vh;
}

/* ---------- 4. The spine (signature element) ----------
   Sticky vertical rail of subject categories — wayfinding +
   ambient brand signature. Hidden on mobile (see media query). */
.spine{
  position:sticky;
  top:0;
  align-self:flex-start;
  width:var(--spine-w);
  height:100vh;
  flex-shrink:0;
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  padding:32px 0;
  background:var(--paper);
  z-index:10;
}
.spine-cat{
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.15em;
  text-transform:uppercase;
  color:var(--slate);
  margin:0 auto;
  background:none;
  border:none;
  padding:0;
  transition:color .15s ease;
}
.spine-cat:hover,.spine-cat:focus-visible{color:var(--blue);}
.spine-cat[aria-current="true"]{color:var(--amber);}
.spine-mark{
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:0.1em;
  color:var(--slate-light);
  margin:0 auto;
}

/* ---------- 5. Main content column ---------- */
.main-col{
  flex:1;
  min-width:0;
}
.wrap{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 56px;
}

/* ---------- 6. Header ---------- */
.site-header{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  padding:40px 0;
  border-bottom:1px solid var(--line);
  gap:24px;
  position:relative;
  z-index:20;
}
.wordmark-link{display:block;}
.wordmark{
  font-family:var(--font-sans);
  font-size:26px;
  font-weight:700;
  letter-spacing:0.06em;
}
.kicker{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--slate);
  margin-top:6px;
}

.site-nav{
  display:flex;
  align-items:center;
  gap:28px;
}
.site-nav a{
  font-size:14px;
  font-weight:500;
  position:relative;
  padding-bottom:4px;
}
.site-nav a::after{
  content:'';
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:var(--blue);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
}
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after{transform:scaleX(1);}
.site-nav a[aria-current="page"]{color:var(--blue);}

.btn{
  display:inline-block;
  border:1px solid var(--ink);
  padding:9px 20px;
  border-radius:var(--radius);
  font-size:13px;
  font-weight:500;
  background:transparent;
  transition:background .15s ease,color .15s ease,border-color .15s ease;
}
.btn:hover{background:var(--ink);color:var(--paper);}
.btn-primary{
  border-color:var(--blue);
  background:var(--blue);
  color:#fff;
}
.btn-primary:hover{background:#16309E;border-color:#16309E;color:#fff;}

.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--line-strong);
  padding:8px 10px;
  border-radius:var(--radius);
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--ink);
  margin:3px 0;
}

/* ---------- 7. Hero ---------- */
.hero{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:64px;
  padding:64px 0;
  border-bottom:1px solid var(--line);
}
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.15em;
  color:var(--amber);
  text-transform:uppercase;
  margin-bottom:18px;
  display:block;
}
.hero h1{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:clamp(32px,4.4vw,56px);
  line-height:1.08;
  letter-spacing:-0.01em;
  margin-bottom:22px;
}
.hero h1 a{transition:color .15s ease;}
.hero h1 a:hover{color:var(--blue);}
.dek{
  font-size:18px;
  line-height:1.6;
  color:var(--ink-soft);
  max-width:46ch;
  margin-bottom:22px;
}
.byline{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--slate);
  text-transform:uppercase;
  letter-spacing:0.07em;
}

/* ---------- 8. Index list (sidebar list of items) ---------- */
.index-list h2,
.section-label{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.15em;
  text-transform:uppercase;
  color:var(--slate);
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.index-item{
  display:flex;
  gap:16px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.index-item:last-child{border-bottom:none;}
.index-num{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--slate);
  flex-shrink:0;
  padding-top:2px;
}
.index-tag{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:0.12em;
  color:var(--amber);
  text-transform:uppercase;
  display:block;
  margin-bottom:4px;
}
.index-title{
  font-size:15px;
  font-weight:500;
  line-height:1.4;
}
.index-title a:hover{color:var(--blue);}

/* ---------- 9. Article / feature cards ---------- */
.section-block{
  padding:64px 0;
  border-bottom:1px solid var(--line);
}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  margin-bottom:32px;
  gap:16px;
  flex-wrap:wrap;
}
.section-head .section-label{border-bottom:none;padding-bottom:0;margin-bottom:0;}
.section-head .view-all{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--blue);
}

.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
}
.card-grid.cols-2{grid-template-columns:repeat(2,1fr);}

.article-card .thumb{
  height:180px;
  background:var(--ink);
  margin-bottom:16px;
  position:relative;
  overflow:hidden;
}
.article-card .thumb::after{
  content:'';
  position:absolute;
  inset:12px;
  border:1px solid var(--blue);
}
/* Thumbnail variants — used in rotation so a row of cards doesn't
   read as identical flat blocks. Each is still ink-on-paper, just a
   different generative pattern; swap for real cover art per-article
   when available. */
.article-card .thumb--lines{
  background-image:repeating-linear-gradient(
    115deg,
    var(--ink) 0px, var(--ink) 1px,
    transparent 1px, transparent 14px
  );
  background-color:var(--paper-raised);
  border:1px solid var(--ink);
}
.article-card .thumb--lines::after{border-color:var(--amber);}
.article-card .thumb--dots{
  background-image:radial-gradient(var(--ink) 1.5px, transparent 1.5px);
  background-size:16px 16px;
  background-color:var(--paper-raised);
  border:1px solid var(--ink);
}
.article-card .thumb--dots::after{border-color:var(--blue);}
.article-card .thumb--grid{
  background-image:
    linear-gradient(var(--ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink) 1px, transparent 1px);
  background-size:20px 20px;
  background-color:var(--paper-raised);
  border:1px solid var(--ink);
}
.article-card .thumb--grid::after{border-color:var(--amber);}
.article-card .tag{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:0.12em;
  color:var(--blue);
  text-transform:uppercase;
  display:block;
  margin-bottom:8px;
}
.article-card h3{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:21px;
  line-height:1.32;
  margin-bottom:8px;
}
.article-card h3 a:hover{color:var(--blue);}
.article-card p{
  font-size:14px;
  color:var(--ink-soft);
  line-height:1.6;
}
.article-card .meta{
  margin-top:12px;
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--slate);
  text-transform:uppercase;
  letter-spacing:0.06em;
}

/* ---------- 10. Article list row (used in Current Issue / Archive) ---------- */
.article-row{
  display:grid;
  grid-template-columns:140px 1fr;
  gap:32px;
  padding:32px 0;
  border-bottom:1px solid var(--line);
}
.article-row:first-child{padding-top:0;}
.article-row:last-child{border-bottom:none;}
.article-row .meta-col{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--slate);
  line-height:1.8;
}
.article-row .meta-col .pages{color:var(--ink);}
.article-row h3{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:22px;
  line-height:1.3;
  margin-bottom:10px;
}
.article-row h3 a:hover{color:var(--blue);}
.article-row .authors{
  font-size:14px;
  color:var(--ink-soft);
  margin-bottom:10px;
}
.article-row .abstract{
  font-size:14px;
  color:var(--ink-soft);
  line-height:1.7;
  margin-bottom:14px;
  max-width:68ch;
}
.article-row .row-actions{
  display:flex;
  gap:20px;
  align-items:center;
}
.row-actions a{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  color:var(--blue);
}
.row-actions a.secondary{color:var(--slate);}

/* ---------- 11. Page header (for inner pages) ---------- */
.page-header{
  padding:56px 0 40px;
  border-bottom:1px solid var(--line);
}
.page-header .eyebrow{margin-bottom:14px;}
.page-header h1{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:clamp(30px,4vw,46px);
  line-height:1.12;
  margin-bottom:16px;
}
.page-header .dek{margin-bottom:0;}

/* ---------- 12. Pullquote ---------- */
.pullquote{
  padding:56px 0;
  border-bottom:1px solid var(--line);
}
.pullquote blockquote{
  font-family:var(--font-serif);
  font-style:italic;
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.5;
  color:var(--ink);
  max-width:34ch;
}
.pullquote cite{
  display:block;
  font-family:var(--font-mono);
  font-style:normal;
  font-size:12px;
  color:var(--slate);
  margin-top:20px;
  text-transform:uppercase;
  letter-spacing:0.08em;
}

/* ---------- 13. Generic prose / content blocks (About, Guidelines) ---------- */
.prose{
  max-width:72ch;
  padding:48px 0;
}
.prose + .prose{border-top:1px solid var(--line);}
.prose h2{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:26px;
  margin-bottom:16px;
}
.prose h3{
  font-family:var(--font-sans);
  font-weight:500;
  font-size:16px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--slate);
  margin:28px 0 10px;
}
.prose p{
  font-size:15.5px;
  line-height:1.75;
  color:var(--ink-soft);
  margin-bottom:16px;
}
.prose ul{margin-bottom:16px;}
.prose li{
  font-size:15.5px;
  line-height:1.75;
  color:var(--ink-soft);
  padding-left:20px;
  position:relative;
  margin-bottom:8px;
}
.prose li::before{
  content:'—';
  position:absolute;
  left:0;
  color:var(--amber);
}
.prose .callout{
  background:var(--blue-tint);
  border-left:2px solid var(--blue);
  padding:16px 20px;
  font-size:14px;
  color:var(--ink-soft);
  margin:20px 0;
  border-radius:0;
}

/* Two-column layout used on About / Guidelines pages */
.content-layout{
  display:grid;
  grid-template-columns:1fr 280px;
  gap:64px;
  padding:56px 0;
}
.content-layout .side-nav{
  position:sticky;
  top:32px;
  align-self:start;
}
.side-nav h2{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--slate);
  margin-bottom:16px;
}
.side-nav ul li{margin-bottom:10px;}
.side-nav ul a{
  font-size:14px;
  color:var(--ink-soft);
  display:block;
  padding:4px 0 4px 14px;
  border-left:2px solid var(--line);
  transition:border-color .15s ease,color .15s ease;
}
.side-nav ul a:hover,
.side-nav ul a.active{
  border-left-color:var(--blue);
  color:var(--blue);
}

/* ---------- 13b. About snapshot (homepage) ---------- */
.about-snapshot__label{
  border-bottom:none;
  margin-bottom:18px;
}
.about-snapshot__text{
  font-size:17px;
  line-height:1.75;
  color:var(--ink-soft);
  max-width:62ch;
  margin-bottom:20px;
}
.about-snapshot__cta{margin-top:4px;}

/* ---------- 13c. CTA for authors (homepage) ---------- */
.cta-authors{text-align:left;}
.cta-authors__label{border-bottom:none;}
.cta-authors__heading{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:clamp(24px,3vw,34px);
  max-width:30ch;
  margin:12px 0 18px;
  line-height:1.25;
}
.cta-authors__body{
  font-size:15.5px;
  color:var(--ink-soft);
  max-width:60ch;
  margin-bottom:24px;
  line-height:1.7;
}

/* ---------- 14. Editorial board grid ---------- */
.board-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px 28px;
  padding:48px 0;
}
.board-card{
  border-top:1px solid var(--line);
  padding-top:18px;
}
.board-avatar{
  width:56px;height:56px;
  border-radius:50%;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:14px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;
}
.board-card h3{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:18px;
  margin-bottom:4px;
}
.board-card .role{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--blue);
  margin-bottom:6px;
}
.board-card .affiliation{
  font-size:13.5px;
  color:var(--ink-soft);
  line-height:1.5;
}

/* ---------- 15. Stats / credibility strip ---------- */
.stats-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat{
  padding:32px 0;
  border-left:1px solid var(--line);
  text-align:left;
  padding-left:24px;
}
.stat:first-child{border-left:none;padding-left:0;}
.stat .num{
  font-family:var(--font-serif);
  font-size:34px;
  font-weight:600;
  color:var(--ink);
  display:block;
}
.stat .label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--slate);
  margin-top:6px;
  display:block;
}

/* Policy-fact variant: confirmed editorial facts (frequency, review
   type) rather than growth metrics. Slightly smaller numeral size
   since these are words, not digits, and a 3-column track. */
.stats-strip--policy{grid-template-columns:repeat(3,1fr);}
.stats-strip--policy .num{font-size:24px;}

/* ---------- 16. Forms (Contact, Newsletter) ---------- */
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  padding:40px 0;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--slate);
}
.field input,
.field textarea,
.field select{
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  padding:11px 14px;
  background:var(--paper-raised);
  color:var(--ink);
  font-size:14.5px;
}
.field input:focus,
.field textarea:focus,
.field select:focus{
  border-color:var(--blue);
  outline:none;
}
.field textarea{resize:vertical;min-height:120px;}

.newsletter-block{
  padding:48px 0;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:32px;
  flex-wrap:wrap;
}
.newsletter-block h2{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:24px;
  margin-bottom:8px;
}
.newsletter-block p{
  font-size:14px;
  color:var(--ink-soft);
}
.newsletter-form{
  display:flex;
  gap:0;
  flex-shrink:0;
}
.newsletter-form input{
  border:1px solid var(--line-strong);
  border-right:none;
  padding:11px 16px;
  font-size:14px;
  width:260px;
  background:var(--paper-raised);
}
.newsletter-form input:focus{outline:none;border-color:var(--blue);}
.newsletter-form button{
  border:1px solid var(--ink);
  background:var(--ink);
  color:var(--paper);
  padding:0 22px;
  font-size:13px;
  font-weight:500;
}
.newsletter-form button:hover{background:var(--blue);border-color:var(--blue);}
.form-success{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--blue);
  margin-top:10px;
  display:none;
}
.form-success.visible{display:block;}

/* ---------- 17. Filter bar (Archive) ---------- */
.filter-bar{
  display:flex;
  gap:12px;
  align-items:center;
  padding:32px 0;
  flex-wrap:wrap;
  border-bottom:1px solid var(--line);
}
.filter-bar label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--slate);
  margin-right:6px;
}
.filter-bar select{
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  padding:8px 12px;
  background:var(--paper-raised);
  font-size:13.5px;
}

.issue-group{padding:40px 0;border-bottom:1px solid var(--line);}
.issue-group-head{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  margin-bottom:20px;
}
.issue-group-head h2{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:22px;
}
.issue-group-head .issue-date{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--slate);
  text-transform:uppercase;
}
.issue-articles{display:flex;flex-direction:column;gap:4px;}
.issue-article-link{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
}
.issue-article-link:last-child{border-bottom:none;}
.issue-article-link .ia-tag{
  font-family:var(--font-mono);
  font-size:10px;
  color:var(--amber);
  text-transform:uppercase;
  letter-spacing:0.08em;
  margin-right:10px;
}
.issue-article-link:hover{color:var(--blue);}
.issue-article-link .ia-pages{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--slate);
  flex-shrink:0;
}

/* ---------- 18. Footer ---------- */
.site-footer{
  padding:48px 0;
}
.footer-top{
  display:flex;
  justify-content:space-between;
  gap:48px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
  flex-wrap:wrap;
}
.footer-brand .wordmark{font-size:20px;}
.footer-brand p{
  font-size:13.5px;
  color:var(--slate);
  margin-top:10px;
  max-width:36ch;
  line-height:1.6;
}
.footer-cols{
  display:flex;
  gap:56px;
  flex-wrap:wrap;
}
.footer-col h3{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--slate);
  margin-bottom:14px;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;
  color:var(--ink-soft);
}
.footer-col a:hover{color:var(--blue);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:24px;
  font-size:12.5px;
  color:var(--slate);
  flex-wrap:wrap;
  gap:12px;
}
.footer-bottom .links{display:flex;gap:20px;}
.footer-bottom a:hover{color:var(--blue);}

/* ---------- 19. Scroll reveal utility ---------- */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s ease,transform .5s ease;
}
.reveal.in-view{opacity:1;transform:translateY(0);}

/* Staggered children — used inside .card-grid / .board-grid so
   items cascade in sequence rather than appearing as one flat block. */
.reveal-stagger > *{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s ease,transform .5s ease;
}
.reveal-stagger.in-view > *{opacity:1;transform:translateY(0);}
.reveal-stagger.in-view > *:nth-child(1){transition-delay:0ms;}
.reveal-stagger.in-view > *:nth-child(2){transition-delay:90ms;}
.reveal-stagger.in-view > *:nth-child(3){transition-delay:180ms;}
.reveal-stagger.in-view > *:nth-child(4){transition-delay:270ms;}
.reveal-stagger.in-view > *:nth-child(5){transition-delay:360ms;}
.reveal-stagger.in-view > *:nth-child(6){transition-delay:450ms;}

/* ---------- 20. Responsive ---------- */
@media (max-width:1080px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .board-grid{grid-template-columns:repeat(2,1fr);}
  .content-layout{grid-template-columns:1fr;}
  .content-layout .side-nav{position:static;order:-1;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:8px;}
  .stats-strip:not(.stats-strip--policy){grid-template-columns:repeat(2,1fr);}
  .stats-strip:not(.stats-strip--policy) .stat:nth-child(3){border-left:none;padding-left:0;}
}

@media (max-width:900px){
  .spine{display:none;}
  .wrap{padding:0 24px;}
  .hero{grid-template-columns:1fr;gap:40px;padding:40px 0;}
  .site-nav{
    position:fixed;
    inset:0 0 0 auto;
    width:78vw;
    max-width:340px;
    height:100vh;
    background:var(--paper);
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:4px;
    padding:88px 32px 32px;
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .25s ease;
    z-index:40;
  }
  .site-nav.open{transform:translateX(0);}
  .site-nav a{
    padding:14px 0;
    width:100%;
    border-bottom:1px solid var(--line);
    font-size:16px;
  }
  .site-nav .btn{margin-top:16px;}
  .nav-toggle{display:block;z-index:50;}
  .nav-scrim{
    display:none;
    position:fixed;inset:0;
    background:rgba(21,24,28,0.35);
    z-index:35;
  }
  .nav-scrim.open{display:block;}

  .article-row{grid-template-columns:1fr;gap:10px;}
  .form-grid{grid-template-columns:1fr;}
  .newsletter-block{flex-direction:column;align-items:flex-start;}
  .newsletter-form{width:100%;}
  .newsletter-form input{width:100%;flex:1;}
  .footer-top{flex-direction:column;gap:32px;}
}

@media (max-width:640px){
  .wrap{padding:0 18px;}
  .card-grid{grid-template-columns:1fr;}
  .board-grid{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:1fr 1fr;}
  .stats-strip--policy{grid-template-columns:1fr;}
  .stats-strip--policy .stat{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:20px;}
  .stats-strip--policy .stat:first-child{border-top:none;padding-top:0;}
  .site-header{flex-direction:column;align-items:flex-start;gap:18px;padding:24px 0;}
  .site-header .site-nav:not(.open){transform:translateX(100%);}
  .hero h1{font-size:30px;}
}