/* ─────────────────────────────────────────────────────────────
   redesign-2026 — shared subpage stylesheet
   Design system: #050505 void · #E8B44A gold · #F3EDE0 ivory · #A176FF violet
   Fonts: Cormorant Garamond (display) · Archivo (body) · IBM Plex Mono (labels)
   Source of truth for tokens: public/index.html (homepage)
   ───────────────────────────────────────────────────────────── */
:root{
  --void:#050505;
  --char:#0C0A07;
  --gold:#E8B44A;
  --gold-dim:#B48940;
  --violet:#A176FF;
  --ivory:#F3EDE0;
  --stone:#8F867A;
  --line:rgba(232,180,74,.16);
  --font-display:"Cormorant Garamond",Georgia,serif;
  --font-body:"Archivo",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--void);
  color:var(--ivory);
  font-family:var(--font-body);
  font-weight:300;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--gold);color:var(--void)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* film grain */
.grain{position:fixed;inset:-100%;width:300%;height:300%;pointer-events:none;z-index:200;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 7s steps(10) infinite}
@keyframes grain{
  0%,100%{transform:translate(0,0)}10%{transform:translate(-5%,-8%)}20%{transform:translate(-12%,3%)}
  30%{transform:translate(6%,-10%)}40%{transform:translate(-4%,12%)}50%{transform:translate(-10%,6%)}
  60%{transform:translate(10%,0)}70%{transform:translate(0,10%)}80%{transform:translate(3%,12%)}90%{transform:translate(-8%,4%)}
}

/* nav — identical language to the homepage */
nav.site-nav{position:fixed;top:0;left:0;right:0;z-index:120;display:flex;justify-content:space-between;align-items:center;
  padding:1.4rem clamp(1.2rem,4vw,3.4rem);
  background:linear-gradient(to bottom,rgba(5,5,5,.85),transparent)}
.monogram{font-family:var(--font-display);font-size:1.5rem;color:var(--gold);letter-spacing:.08em}
.nav-links{display:flex;gap:clamp(1.1rem,2.4vw,2rem)}
.nav-links a{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.26em;text-transform:uppercase;
  color:var(--stone);transition:color .35s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--gold)}
@media(max-width:860px){.nav-links{display:none}}
.nav-cta{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--ivory);border:1px solid var(--line);padding:.75em 1.6em;border-radius:999px;
  position:relative;overflow:hidden;transition:color .4s}
.nav-cta::before{content:"";position:absolute;inset:0;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.7,0,.2,1);z-index:-1;border-radius:inherit}
.nav-cta:hover{color:var(--void)}
.nav-cta:hover::before{transform:scaleX(1)}

/* mobile nav — hamburger + full-screen overlay (≤860px) */
.nav-right{display:flex;align-items:center;gap:clamp(.8rem,2vw,1.4rem)}
.nav-burger{display:none;flex-direction:column;align-items:center;justify-content:center;gap:9px;
  width:44px;height:44px;background:none;border:0;cursor:pointer;padding:0}
.nav-burger span{display:block;width:26px;height:1px;background:var(--ivory);
  transition:transform .45s cubic-bezier(.7,0,.2,1),background .3s}
.nav-burger:hover span{background:var(--gold)}
.nav-burger.open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-burger.open span:nth-child(2){transform:translateY(-5px) rotate(-45deg)}
.mobile-menu{position:fixed;inset:0;z-index:110;display:flex;align-items:center;
  background:radial-gradient(ellipse 90% 55% at 50% 100%,rgba(232,180,74,.07),transparent 62%),rgba(5,5,5,.9);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transition:opacity .5s ease,visibility 0s linear .5s;overflow-y:auto}
.mobile-menu.open{opacity:1;visibility:visible;transition:opacity .5s ease}
html.menu-open,html.menu-open body{overflow:hidden}
html.menu-open .grain{opacity:.03}
.mobile-menu-links{display:flex;flex-direction:column;align-items:flex-start;gap:1.15rem;width:100%;margin:auto 0;
  padding:5.5rem clamp(1.6rem,9vw,4rem) 2.5rem}
.mobile-menu-links>*{opacity:0;transform:translateY(20px);
  transition:opacity .45s ease,transform .55s cubic-bezier(.2,.7,.2,1),color .35s,border-color .35s}
.mobile-menu.open .mobile-menu-links>*{opacity:1;transform:none}
.mobile-menu.open .mobile-menu-links>*:nth-child(1){transition-delay:.08s}
.mobile-menu.open .mobile-menu-links>*:nth-child(2){transition-delay:.125s}
.mobile-menu.open .mobile-menu-links>*:nth-child(3){transition-delay:.17s}
.mobile-menu.open .mobile-menu-links>*:nth-child(4){transition-delay:.215s}
.mobile-menu.open .mobile-menu-links>*:nth-child(5){transition-delay:.26s}
.mobile-menu.open .mobile-menu-links>*:nth-child(6){transition-delay:.305s}
.mobile-menu.open .mobile-menu-links>*:nth-child(7){transition-delay:.35s}
.mobile-menu.open .mobile-menu-links>*:nth-child(8){transition-delay:.395s}
.mobile-menu.open .mobile-menu-links>*:nth-child(9){transition-delay:.44s}
.mobile-menu.open .mobile-menu-links>*:nth-child(10){transition-delay:.485s}
.mobile-menu.open .mobile-menu-links>*:nth-child(11){transition-delay:.53s}
.mobile-menu.open .mobile-menu-links>*:nth-child(12){transition-delay:.575s}
.mobile-menu.open .mobile-menu-links>*:nth-child(13){transition-delay:.62s}
.mobile-menu.open .mobile-menu-links>*:nth-child(14){transition-delay:.665s}
.mobile-menu.open .mobile-menu-links>*:nth-child(15){transition-delay:.71s}
.menu-group{font-family:var(--font-mono);font-size:.56rem;letter-spacing:.36em;text-transform:uppercase;color:var(--stone)}
.menu-divider{height:1px;width:min(220px,58%);background:var(--line);margin:.7rem 0 .2rem}
.mobile-menu-links a{font-family:var(--font-mono);font-size:clamp(.74rem,3.4vw,.86rem);letter-spacing:.3em;text-transform:uppercase;
  color:var(--ivory);display:flex;align-items:baseline;gap:1.1rem;width:fit-content}
.mobile-menu-links a i{font-style:normal;font-size:.58rem;letter-spacing:.22em;color:var(--gold-dim)}
.mobile-menu-links a:hover,.mobile-menu-links a[aria-current="page"]{color:var(--gold)}
.mobile-menu-links .menu-page{font-size:clamp(.64rem,3vw,.74rem);color:var(--stone)}
.mobile-menu-links .menu-page:hover,.mobile-menu-links .menu-page[aria-current="page"]{color:var(--gold)}
.mobile-menu-links .menu-cta{margin-top:1rem;font-size:.66rem;color:var(--gold);
  border:1px solid var(--line);border-radius:999px;padding:.85em 1.7em}
.mobile-menu-links .menu-cta:hover{border-color:var(--gold)}
@media(max-width:860px){.nav-burger{display:flex}}
@media(max-width:560px){.nav-right .nav-cta{display:none}}
@media(max-height:640px){.mobile-menu-links{gap:.85rem;padding-top:4.6rem}}
@media(prefers-reduced-motion:reduce){
  .mobile-menu{transition:opacity .01s,visibility 0s}
  .mobile-menu-links>*{transition:color .35s,border-color .35s;transform:none}
  .nav-burger span{transition:none}
}

/* shared primitives */
section{position:relative}
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(1.2rem,5vw,3.4rem)}
.slate{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);
  display:flex;align-items:center;gap:1rem;margin-bottom:2.4rem}
.slate::after{content:"";height:1px;width:64px;background:var(--gold-dim);opacity:.6}
h1{font-family:var(--font-display);font-weight:300;font-size:clamp(3rem,8vw,6.4rem);line-height:1;letter-spacing:.01em}
h1 em{font-style:italic;color:var(--gold)}
h2{font-family:var(--font-display);font-weight:300;font-size:clamp(2rem,4.2vw,3.4rem);line-height:1.08;margin-bottom:1.6rem}
h2 em{font-style:italic;color:var(--gold)}
.btn-gold{display:inline-block;margin-top:2.4rem;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;
  color:var(--void);background:var(--gold);border:none;cursor:pointer;padding:1.1em 2.4em;position:relative;transition:box-shadow .4s,transform .4s}
.btn-gold:hover{box-shadow:0 0 44px rgba(232,180,74,.45);transform:translateY(-2px)}
.clink{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.26em;text-transform:uppercase;
  border:1px solid var(--line);padding:1em 2em;border-radius:999px;transition:border-color .4s,color .4s,box-shadow .4s}
.clink:hover{border-color:var(--gold);color:var(--gold);box-shadow:0 0 30px rgba(232,180,74,.18)}
.mono-note{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--stone)}

/* page hero (under fixed nav) */
.page-hero{padding:11rem 0 4rem}
.page-hero .tagline{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin-top:1.6rem}
.page-hero .intro{max-width:38rem;margin-top:1.8rem;color:#CFC8BA;font-size:1.02rem}

/* footer */
footer.site-footer{margin-top:7rem;padding:2.2rem 0;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--stone)}
footer.site-footer .wrap{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between}
footer.site-footer a:hover{color:var(--gold)}

/* ── /my-book/ ── */
.bk-feature{padding:4rem 0}
.bk-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.3fr);gap:clamp(2.4rem,6vw,5.5rem);align-items:center}
@media(max-width:860px){.bk-grid{grid-template-columns:1fr}}
.bk-cover{width:min(300px,70vw);margin:0 auto;position:relative}
.bk-cover img{width:100%;filter:drop-shadow(0 34px 44px rgba(0,0,0,.65))}
.bk-cover canvas{width:100%;height:auto;display:block;filter:drop-shadow(0 34px 44px rgba(0,0,0,.65))}
/* when the 3D canvas is present the JS removes the fallback img; while both exist, hide the img underneath */
.bk-cover canvas + img{display:none}
.bk-body p{color:#CFC8BA;max-width:36rem}
.bk-price{margin-top:1.6rem;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold)}
.agent-chip{display:inline-flex;align-items:center;gap:.7rem;margin-top:1.6rem;
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--stone)}
.agent-chip a{color:var(--gold);border-bottom:1px solid var(--gold-dim);padding-bottom:2px;transition:opacity .3s}
.agent-chip a:hover{opacity:.7}

.readers{padding:7rem 0;text-align:center}
.readers blockquote{font-family:var(--font-display);font-weight:300;font-style:italic;
  font-size:clamp(1.7rem,3.8vw,2.8rem);line-height:1.3;max-width:52rem;margin:0 auto;color:var(--ivory)}
.readers blockquote span{color:var(--gold)}

/* ── /apps/yield-simulator/ ── */
.app-section{padding:4.5rem 0}
.app-section p{color:#CFC8BA;max-width:44rem}
.app-section p + p{margin-top:1.2rem}
.app-section p b{color:var(--ivory);font-weight:400}
.sim-frame{margin-top:2.4rem;border:1px solid var(--line)}
.sim-frame iframe{display:block;width:100%;height:960px;border:0;background:#0f172a}
.sim-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.6rem}
.gcard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:2.4rem}
.gcard{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.9rem 1.7rem 2rem;transition:background .5s}
.gcard:hover{background:rgba(232,180,74,.045)}
.gcard .idx{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.3em;color:var(--gold-dim)}
.gcard h3{font-family:var(--font-display);font-weight:500;font-size:1.3rem;line-height:1.25;margin:.9rem 0 .7rem;color:var(--ivory)}
.gcard p{font-size:.88rem;color:var(--stone);line-height:1.65}
.steps{margin-top:2rem;max-width:44rem;counter-reset:step}
.steps li{list-style:none;display:flex;gap:1.2rem;padding:1.1rem 0;border-bottom:1px solid var(--line);color:#CFC8BA}
.steps li::before{counter-increment:step;content:counter(step,lower-roman);font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;color:var(--gold);min-width:2.2rem;padding-top:.35rem}
.param-table{margin-top:2rem;width:100%;max-width:44rem;border-collapse:collapse}
.param-table th,.param-table td{text-align:left;padding:.8rem .4rem;border-bottom:1px solid var(--line);font-size:.9rem}
.param-table th{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--stone);font-weight:400}
.param-table td{color:#CFC8BA}
.param-table td:last-child{font-family:var(--font-mono);font-size:.8rem;color:var(--ivory)}
.formula{margin-top:2rem;padding:1.6rem 1.8rem;border:1px solid var(--line);background:var(--char);
  font-family:var(--font-mono);font-size:.78rem;line-height:2;color:#CFC8BA;overflow-x:auto;white-space:pre}
.formula b{color:var(--gold);font-weight:400}

/* ── /apps/ ── */
.appx-list{display:grid;gap:1.6rem;margin-top:1rem}
.appx-card{border:1px solid var(--line);padding:2.6rem 2.4rem 2.8rem;position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:clamp(2rem,5vw,4rem);transition:background .5s,border-color .5s}
@media(max-width:860px){.appx-card{grid-template-columns:1fr}}
.appx-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(90deg,var(--violet),transparent);transform:scaleX(0);transform-origin:left;transition:transform .6s cubic-bezier(.7,0,.2,1)}
.appx-card:hover{background:rgba(161,118,255,.04);border-color:rgba(161,118,255,.28)}
.appx-card:hover::before{transform:scaleX(1)}
.appx-head .idx{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.3em;color:var(--gold-dim)}
.appx-head h2{font-size:clamp(1.7rem,3vw,2.4rem);margin:1rem 0 .6rem}
.appx-tagline{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.26em;text-transform:uppercase;color:var(--violet)}
.appx-body p{color:#CFC8BA;max-width:40rem}
.appx-stack-label{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin-top:1.8rem}
.appx-stack{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.9rem}
.appx-stack li{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;color:var(--stone);
  border:1px solid var(--line);border-radius:999px;padding:.55em 1.1em}
.appx-actions{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;margin-top:.6rem}
.appx-actions .btn-gold{margin-top:1.2rem}
.appx-actions .clink{margin-top:1.2rem}

/* ── generic content rows (experience, board, awards, faq, legal) ── */
.rows{border-top:1px solid var(--line);margin-top:2.4rem}
.row-item{display:grid;grid-template-columns:9rem 1fr;gap:2rem;padding:2.2rem 0;border-bottom:1px solid var(--line)}
@media(max-width:700px){.row-item{grid-template-columns:1fr;gap:.6rem}}
.row-item .key{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.28em;text-transform:uppercase;color:var(--gold-dim);padding-top:.55rem}
.row-item h3{font-family:var(--font-display);font-weight:500;font-size:1.5rem;line-height:1.25;color:var(--ivory);margin-bottom:.7rem}
.row-item .meta{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--stone);margin-bottom:.9rem}
.row-item p{color:#CFC8BA;max-width:44rem;font-size:.98rem}
.row-item p + p{margin-top:.9rem}
.row-item p em{color:var(--ivory)}
.row-item .row-link{display:inline-block;margin-top:1.1rem;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);border-bottom:1px solid var(--gold-dim);padding-bottom:2px;transition:opacity .3s}
.row-item .row-link:hover{opacity:.7}

/* ── /media/ ── */
.press-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:2.4rem}
.press-tile{background:var(--ivory);border:1px solid var(--line);padding:14px;display:flex;align-items:center;justify-content:center;aspect-ratio:16/9;overflow:hidden}
.press-tile img{max-width:100%;max-height:100%;width:auto;object-fit:contain;filter:grayscale(1);opacity:.82;transition:filter .35s,opacity .35s}
.press-tile:hover img{filter:none;opacity:1}
.press-note{margin-top:2rem;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--stone);max-width:44rem;line-height:2}
.empty-state{margin-top:2.4rem;border:1px dashed var(--line);padding:3.5rem 2rem;text-align:center;max-width:44rem}
.empty-state h3{font-family:var(--font-display);font-weight:500;font-size:1.5rem;color:var(--ivory);margin-bottom:.7rem}
.empty-state p{color:var(--stone);max-width:32rem;margin:0 auto 1.8rem}

/* ── articles listing ── */
.alist{border-top:1px solid var(--line);margin-top:2.4rem}
.aitem{display:grid;grid-template-columns:8.5rem 8rem 1fr auto;gap:2rem;align-items:center;
  padding:2.1rem 0;border-bottom:1px solid var(--line);transition:padding-left .45s cubic-bezier(.6,0,.2,1)}
.aitem:hover{padding-left:1.2rem}
.aitem .thumb{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line);
  filter:grayscale(.4) sepia(.12) contrast(1.02);transition:filter .4s}
.aitem:hover .thumb{filter:none}
.aitem .thumb-empty{background:var(--char)}
.aitem .date{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--stone)}
.aitem h3{font-family:var(--font-display);font-weight:500;font-size:clamp(1.25rem,2.2vw,1.7rem);line-height:1.3;transition:color .35s}
.aitem:hover h3{color:var(--gold)}
.aitem .sum{margin-top:.5rem;font-size:.9rem;color:var(--stone);max-width:40rem;line-height:1.6}
.aitem .cat{display:inline-block;margin-top:.6rem;font-family:var(--font-mono);font-size:.58rem;letter-spacing:.26em;text-transform:uppercase;color:var(--violet)}
.aitem .go{font-family:var(--font-mono);font-size:.9rem;color:var(--gold);opacity:0;transform:translateX(-8px);transition:opacity .35s,transform .35s}
.aitem:hover .go{opacity:1;transform:translateX(0)}
@media(max-width:700px){.aitem{grid-template-columns:1fr;gap:.7rem}.aitem .go{display:none}.aitem .thumb{max-width:15rem}}

/* ── article page ── */
.article-page{padding:10rem 0 2rem}
.article-container{max-width:46rem;margin:0 auto;padding:0 clamp(1.2rem,5vw,3.4rem)}
.article-back{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font-mono);font-size:.64rem;letter-spacing:.26em;text-transform:uppercase;color:var(--stone);transition:color .3s;margin-bottom:3rem}
.article-back:hover{color:var(--gold)}
.article-back svg{width:14px;height:14px}
.article-category{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);margin-bottom:1.4rem}
.article-h1{font-family:var(--font-display);font-weight:400;font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.12;letter-spacing:.01em}
.article-byline{display:flex;align-items:center;gap:1rem;margin-top:2rem}
.article-byline-avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;filter:grayscale(.25)}
.article-byline-name{font-family:var(--font-body);font-weight:400;font-size:.9rem;color:var(--ivory)}
.article-byline-meta{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--stone);margin-top:.2rem}
.article-dot{margin:0 .5em;color:var(--gold-dim)}
.article-lede{margin-top:2rem;font-family:var(--font-display);font-style:italic;font-weight:400;font-size:1.3rem;line-height:1.5;color:#CFC8BA}
.article-cover-hero{margin-bottom:2.6rem;border:1px solid var(--line)}
.article-prose{margin-top:2.6rem;color:#CFC8BA;font-size:1.02rem}
.article-prose p{margin:1.25rem 0}
.article-prose h2,.article-prose h3{font-family:var(--font-display);font-weight:500;color:var(--ivory);line-height:1.2;margin:2.6rem 0 1rem}
.article-prose h2{font-size:1.8rem}
.article-prose h3{font-size:1.4rem}
.article-prose strong{color:var(--ivory);font-weight:400}
.article-prose a{color:var(--gold);border-bottom:1px solid var(--gold-dim);transition:opacity .3s}
.article-prose a:hover{opacity:.7}
.article-prose ul,.article-prose ol{padding-left:1.4rem;margin:1.25rem 0}
.article-prose li{margin:.5rem 0}
.article-prose li::marker{color:var(--gold)}
.article-prose blockquote{margin:2rem 0;padding-left:1.5rem;border-left:2px solid var(--gold);
  font-family:var(--font-display);font-style:italic;font-size:1.2em;line-height:1.45;color:var(--ivory)}
.article-prose img{border:1px solid var(--line)}
.article-footer{margin-top:4rem;padding-top:2.4rem;border-top:1px solid var(--line)}
.article-share-label{display:block;font-family:var(--font-mono);font-size:.64rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin-bottom:1.4rem}
.article-share-buttons{display:flex;flex-wrap:wrap;gap:.8rem}
.share-btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ivory);background:transparent;border:1px solid var(--line);border-radius:999px;padding:.9em 1.6em;cursor:pointer;
  transition:border-color .3s,color .3s}
.share-btn:hover{border-color:var(--gold);color:var(--gold)}
.share-btn svg{width:14px;height:14px}
.share-btn-success{border-color:var(--gold);color:var(--gold)}
.article-share-hint{margin-top:1.2rem;font-size:.8rem;color:var(--stone)}

/* ── book assistant widget (markup from /js/book-assistant.js) ── */
.book-assistant-section{padding:4rem 0 2rem}
.ba-card{position:relative;max-width:760px;margin:0 auto;background:var(--char);
  border:1px solid var(--line);padding:2.2rem;isolation:isolate}
.ba-card::before{content:"";position:absolute;inset:-1px;
  background:radial-gradient(ellipse at top,rgba(232,180,74,.22),transparent 65%);
  opacity:.5;filter:blur(30px);z-index:-1;pointer-events:none}
.ba-header{margin-bottom:1.4rem}
.ba-badge{display:inline-block;padding:4px 12px;border-radius:999px;border:1px solid var(--line);
  font-family:var(--font-mono);font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-bottom:.9rem}
.ba-title{font-family:var(--font-display);font-weight:500;font-size:1.5rem;color:var(--ivory);margin-bottom:.2rem}
.ba-sub{color:var(--stone);font-size:.88rem}
.ba-log{min-height:80px;max-height:440px;overflow-y:auto;padding:8px 4px 16px;display:flex;flex-direction:column;gap:12px}
.ba-msg{display:flex}
.ba-msg.ba-user{justify-content:flex-end}
.ba-msg.ba-bot{justify-content:flex-start}
.ba-bubble{max-width:86%;padding:12px 14px;font-size:.92rem;line-height:1.55;
  border:1px solid var(--line);background:rgba(243,237,224,.04);word-wrap:break-word}
.ba-msg.ba-user .ba-bubble{background:rgba(232,180,74,.08);border-color:rgba(232,180,74,.35)}
.ba-cites{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}
.ba-cite{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.08em;padding:3px 8px;
  background:rgba(161,118,255,.08);border:1px solid rgba(161,118,255,.3);color:var(--violet)}
.ba-err{color:#ff8a8a}
.ba-followups{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 16px}
.ba-chip{background:transparent;color:var(--stone);border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;cursor:pointer;
  transition:color .3s,border-color .3s}
.ba-chip:hover{color:var(--gold);border-color:var(--gold-dim)}
.ba-composer{display:flex;gap:10px;margin-bottom:18px}
.ba-input{flex:1;resize:vertical;min-height:48px;padding:12px 14px;background:var(--void);color:var(--ivory);
  border:1px solid var(--line);font-family:var(--font-body);font-size:.95rem;line-height:1.5}
.ba-input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(232,180,74,.14)}
.ba-send{padding:0 22px;background:var(--gold);color:var(--void);border:none;cursor:pointer;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;
  transition:box-shadow .3s,opacity .3s}
.ba-send:hover{box-shadow:0 0 30px rgba(232,180,74,.35)}
.ba-send:disabled{opacity:.5;cursor:not-allowed}
.ba-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:4px}
.ba-amazon,.ba-sms-toggle{display:inline-flex;align-items:center;padding:10px 18px;cursor:pointer;
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;text-decoration:none;
  border:1px solid var(--line);background:transparent;color:var(--ivory);transition:border-color .3s,color .3s}
.ba-sms-toggle:hover{border-color:var(--gold);color:var(--gold)}
.ba-amazon{background:var(--gold);border-color:var(--gold);color:var(--void)}
.ba-amazon:hover{box-shadow:0 0 30px rgba(232,180,74,.35)}
.ba-sms-form{display:flex;flex-direction:column;gap:8px;flex:1 1 100%;padding:14px;
  border:1px dashed var(--line);margin-top:8px}
.ba-phone{padding:10px 12px;background:var(--void);color:var(--ivory);border:1px solid var(--line);
  font-size:.85rem;font-family:var(--font-mono)}
.ba-consent{font-size:.8rem;color:var(--stone);display:flex;gap:8px;align-items:flex-start}
.ba-consent input{margin-top:3px}
.ba-sms-send{align-self:flex-start;padding:8px 16px;background:var(--gold);color:var(--void);border:none;cursor:pointer;
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase}
.ba-sms-msg{font-size:.8rem;color:var(--stone)}
.ba-status{margin-top:10px;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.12em;color:var(--stone)}
@media(max-width:640px){
  .ba-card{padding:1.3rem}
  .ba-composer{flex-direction:column}
  .ba-send{padding:12px}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .grain{display:none}
}