/* ==========================================================================
   lostmindsai.com — Encyclopedia of Lost Minds: Echoes on AI
   Design tokens are taken from the object itself: the leather boards,
   the gold-leaf lettering, the parchment, and the white interior pages
   with their blue headings. Gold = the minds and the books.
   Blue = the machine (AGI, the platform).
   ========================================================================== */

:root{
  --leather:#150f0b;
  --leather-2:#1c1510;
  --leather-3:#2a1f17;
  --leather-4:#3a2c21;
  --gold:#c9a45c;
  --gold-bright:#ecd39a;
  --gold-dim:#8f7443;
  --parchment:#efe6d3;
  --parchment-2:#c9bda6;
  --parchment-3:#8d8169;
  --page:#faf8f3;
  --page-2:#f0ece2;
  --ink:#1b1a17;
  --ink-2:#4b4740;
  --page-blue:#2f6bcd;
  --machine:#6ea4ff;
  --machine-dim:#2c4d87;

  --display:"Cormorant Garamond","Iowan Old Style","Palatino Linotype",Georgia,serif;
  --sans:"Instrument Sans","Helvetica Neue",Arial,sans-serif;
  --caps:"Cinzel","Cormorant Garamond",Georgia,serif;

  --wrap:1180px;
  --gutter:clamp(20px,5vw,48px);
  --radius:6px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--leather) url("../assets/textures/leather-tile.jpg") repeat;
  background-size:768px 768px;
  color:var(--parchment);
  font-family:var(--sans);
  font-size:1.0625rem;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{ /* darkens the leather grain so text sits on a quiet ground */
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,rgba(21,15,11,.6),rgba(21,15,11,.72));
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{list-style:none}
:focus-visible{outline:2px solid var(--gold-bright);outline-offset:3px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}

h1,h2,h3,.display{font-family:var(--display);font-weight:500;line-height:1.05;letter-spacing:-.005em}
h2{font-size:clamp(2.1rem,4vw,3.4rem);max-width:22ch}
h3{font-size:clamp(1.45rem,2.2vw,1.9rem)}
p{max-width:64ch}
.lede{font-size:clamp(1.1rem,1.5vw,1.25rem);color:var(--parchment-2)}
.small{font-size:.92rem;color:var(--parchment-3)}
em{font-style:italic}
.roman{font-family:var(--caps);letter-spacing:.06em;font-weight:500}

/* --- buttons ----------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  min-height:46px;padding:.65em 1.35em;border-radius:3px;
  font-family:var(--sans);font-weight:600;font-size:.98rem;line-height:1.2;
  border:1px solid transparent;transition:background .2s,border-color .2s,color .2s,transform .2s var(--ease);
  white-space:nowrap;
}
.btn-gold{background:linear-gradient(180deg,#e9cf95,#c6a056);color:#241a08;border-color:#d9bb76;
  box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 10px 24px -14px rgba(201,164,92,.8)}
.btn-gold:hover{background:linear-gradient(180deg,#f3dda9,#d0aa61);transform:translateY(-1px)}
.btn-line{border-color:rgba(239,230,211,.35);color:var(--parchment)}
.btn-line:hover{border-color:var(--gold);color:var(--gold-bright)}
.btn-blue{background:#2b56a8;color:#eef3ff;border-color:#4b78cc}
.btn-blue:hover{background:#3466c4}
.btn-sm{min-height:38px;padding:.45em 1em;font-size:.9rem}
.btn-lg{min-height:52px;padding:.8em 1.7em;font-size:1.05rem}
.textlink{color:var(--gold-bright);border-bottom:1px solid rgba(236,211,154,.35);transition:border-color .2s}
.textlink:hover{border-bottom-color:var(--gold-bright)}
.textlink.blue{color:var(--machine);border-bottom-color:rgba(110,164,255,.35)}
.textlink.blue:hover{border-bottom-color:var(--machine)}

/* --- header ------------------------------------------------------------ */
.site-head{
  position:fixed;inset:0 0 auto 0;z-index:60;
  transition:background .35s,border-color .35s,backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.site-head.solid{background:rgba(21,15,11,.86);backdrop-filter:blur(14px);border-bottom-color:rgba(201,164,92,.16)}
.site-head .wrap{display:flex;align-items:center;gap:22px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--display);font-size:1.25rem;font-weight:500;line-height:1.1;white-space:nowrap}
.brand img{width:36px;height:36px;border-radius:50%;box-shadow:0 0 0 1px rgba(201,164,92,.4)}
.brand small{display:block;font-family:var(--sans);font-size:.72rem;color:var(--parchment-3);letter-spacing:.02em}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{font-size:.95rem;color:var(--parchment-2);padding:.3em 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.nav a:hover{color:var(--parchment);border-bottom-color:var(--gold)}
.head-cta{display:flex;gap:10px;align-items:center}
.menu-btn{display:none;width:44px;height:44px;border-radius:3px;border:1px solid rgba(239,230,211,.25);margin-left:auto;place-items:center}
.menu-btn svg{width:22px;height:22px;stroke:var(--parchment);stroke-width:1.8;fill:none}
.mobile-menu{display:none;position:fixed;inset:68px 0 auto 0;z-index:59;background:rgba(21,15,11,.97);border-bottom:1px solid rgba(201,164,92,.2);padding:14px var(--gutter) 22px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:.8em 0;border-bottom:1px solid rgba(239,230,211,.1);font-size:1.05rem}
.mobile-menu .btn{margin-top:14px;width:100%}

/* --- hero: the shelf --------------------------------------------------- */
.hero{
  position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;
  isolation:isolate;overflow:hidden;
  background:#0e0906 url("../assets/textures/library-blur.jpg") center 30%/cover no-repeat;
}
.hero::before{ /* vignette + floor darkening */
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(14,9,6,.55) 0%,rgba(14,9,6,.15) 35%,rgba(14,9,6,.35) 70%,rgba(21,15,11,1) 100%),
    radial-gradient(120% 80% at 50% 40%,rgba(0,0,0,0) 40%,rgba(0,0,0,.55) 100%);
}
.shelf-stage{position:absolute;inset:0;z-index:1}
.shelf-stage canvas{display:block;width:100%;height:100%;touch-action:pan-y;cursor:grab}
.shelf-stage.dragging canvas{cursor:grabbing}
.shelf-stage.can-pick canvas{cursor:pointer}
.hero-copy{position:relative;z-index:2;width:100%;padding-top:calc(68px + 4vh);padding-bottom:clamp(28px,4vh,44px);pointer-events:none}
.hero-copy *{pointer-events:none}
.hero-text > *{pointer-events:auto} .hero-text a,.hero-text button{pointer-events:auto}
.hero-grid{display:grid;grid-template-columns:minmax(0,500px) 1fr;gap:24px;align-items:end}
.hero h1{font-size:clamp(2.7rem,5vw,4.6rem);line-height:.96;font-weight:500;text-wrap:balance;
  text-shadow:0 2px 24px rgba(0,0,0,.6)}
.hero .echo{font-family:var(--display);font-style:italic;font-weight:400;font-size:clamp(1.5rem,2.6vw,2.2rem);color:var(--gold-bright);margin:.25rem 0 1rem;text-shadow:0 2px 18px rgba(0,0,0,.6)}
.hero .lede{max-width:46ch;text-shadow:0 1px 14px rgba(0,0,0,.7);color:#e8dfcc}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:1.4rem 0 1.1rem}
.hero-hint{font-size:.9rem;color:var(--parchment-2);display:flex;align-items:center;gap:.6em;text-shadow:0 1px 10px rgba(0,0,0,.8)}
.hero-hint svg{width:18px;height:18px;stroke:var(--gold);fill:none;stroke-width:1.6;flex:none}
.hero-hint.touch-only{display:none}

/* tome dock — the accessible way to pick a book, sits under the shelf */
.dock{position:relative;z-index:2;display:flex;gap:8px;justify-content:flex-start;align-items:flex-end;flex-wrap:wrap;margin-top:6px}
.dock button{
  position:relative;width:52px;aspect-ratio:1033/1400;border-radius:2px;overflow:hidden;
  border:1px solid rgba(201,164,92,.35);box-shadow:0 8px 18px -10px rgba(0,0,0,.9);
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s;background:#1a1208;
}
.dock button img{width:100%;height:100%;object-fit:cover;opacity:.9}
.dock button::after{content:attr(data-roman);position:absolute;inset:auto 0 0 0;text-align:center;font-family:var(--caps);font-size:.62rem;color:var(--gold-bright);background:rgba(21,15,11,.85);padding:2px 0;letter-spacing:.06em}
.dock button:hover,.dock button.active{transform:translateY(-6px);border-color:var(--gold-bright);box-shadow:0 14px 24px -10px rgba(0,0,0,.9)}
.dock button.active{outline:1px solid var(--gold-bright)}

/* tome panel — appears when a book is pulled from the shelf */
.tome-panel{
  position:absolute;z-index:3;right:max(var(--gutter),calc((100% - var(--wrap)) / 2 + var(--gutter)));top:calc(68px + 5vh);width:min(380px,calc(100% - 2*var(--gutter)));
  max-height:calc(100svh - 68px - 10vh);overflow:auto;
  background:rgba(21,15,11,.82);backdrop-filter:blur(16px);border:1px solid rgba(201,164,92,.3);border-radius:var(--radius);
  padding:22px 24px 20px;box-shadow:0 30px 60px -30px rgba(0,0,0,.9);
  opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .35s,transform .35s var(--ease);
}
.tome-panel.show{opacity:1;transform:none;pointer-events:auto}
.tome-panel .tp-roman{font-family:var(--caps);color:var(--gold);font-size:.85rem;letter-spacing:.1em}
.tome-panel h3{font-size:1.9rem;margin:.15rem 0 .1rem}
.tome-panel .tp-era{color:var(--parchment-2);font-size:.95rem;margin-bottom:.7rem}
.tome-panel .tp-blurb{font-size:.93rem;color:var(--parchment-2);margin-bottom:.8rem}
.tome-panel .tp-minds{font-family:var(--display);font-size:1rem;line-height:1.4;color:var(--parchment);columns:2;column-gap:18px;margin-bottom:1rem}
.tome-panel .tp-minds li{break-inside:avoid;padding:.08em 0;display:flex;gap:.5em}
.tome-panel .tp-minds li span{color:var(--gold-dim);font-family:var(--sans);font-size:.72rem;min-width:1.6em;padding-top:.35em}
.tome-panel .tp-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tome-panel .tp-meta{font-size:.82rem;color:var(--parchment-3);margin-top:.7rem}
.tome-panel .tp-close{position:absolute;top:10px;right:10px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:var(--parchment-2)}
.tome-panel .tp-close:hover{color:var(--gold-bright);background:rgba(255,255,255,.06)}
.tome-panel .tp-close svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.8;fill:none}

/* static fallback (no WebGL) */
.no-webgl .shelf-stage{display:none}
.shelf-fallback{display:none;position:relative;z-index:1;padding-top:calc(68px + 6vh)}
.no-webgl .shelf-fallback{display:block}
.shelf-fallback .row{display:flex;gap:10px;justify-content:center;perspective:900px}
.shelf-fallback img{width:clamp(70px,10vw,130px);border-radius:2px;box-shadow:0 20px 40px -18px rgba(0,0,0,.9);transform:rotateY(-12deg)}

/* --- facts strip ------------------------------------------------------- */
.facts{border-top:1px solid rgba(201,164,92,.18);border-bottom:1px solid rgba(201,164,92,.18);background:rgba(21,15,11,.5)}
.facts ul{display:flex;flex-wrap:wrap;gap:0;justify-content:space-between}
.facts li{padding:18px 18px 18px 0;font-family:var(--display);font-size:1.15rem;line-height:1.25;color:var(--parchment)}
.facts li b{display:block;font-size:1.9rem;font-weight:500;color:var(--gold-bright);line-height:1}
.facts li small{display:block;font-family:var(--sans);font-size:.82rem;color:var(--parchment-3);margin-top:.3rem}

/* --- generic section --------------------------------------------------- */
.sec{padding-block:clamp(72px,9vw,128px)}
.sec-head{margin-bottom:clamp(30px,4vw,52px)}
.sec-head p{margin-top:.9rem;color:var(--parchment-2);max-width:60ch}
.rule{height:1px;background:linear-gradient(90deg,rgba(201,164,92,0),rgba(201,164,92,.45),rgba(201,164,92,0))}

/* --- the question ------------------------------------------------------ */
.question-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,6vw,90px);align-items:start}
.question .big{font-family:var(--display);font-size:clamp(1.9rem,3.4vw,3rem);line-height:1.15;font-weight:500;max-width:22ch}
.question .big span{color:var(--gold-bright)}
.question .by{margin-top:1rem;color:var(--parchment-3);font-size:.95rem}
.question-body p{color:var(--parchment-2);margin-bottom:1rem}
.question-body p b{color:var(--parchment);font-weight:600}
.planes{margin-top:clamp(30px,4vw,56px);display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(30px,6vw,90px);border-top:1px solid rgba(201,164,92,.25)}
.plane{display:grid;grid-template-columns:54px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid rgba(201,164,92,.18)}
.plane .pic{width:54px;height:54px;border-radius:50%;border:1px solid rgba(201,164,92,.4);display:grid;place-items:center}
.plane .pic svg{width:26px;height:26px;fill:none;stroke:var(--gold);stroke-width:1.5}
.plane.machine .pic{border-color:rgba(110,164,255,.5)} .plane.machine .pic svg{stroke:var(--machine)}
.plane h3{font-size:1.35rem;margin-bottom:.2rem}
.plane.machine h3{color:#cfe0ff}
.plane p{font-size:.95rem;color:var(--parchment-2)}
.plane .where{display:inline-block;margin-top:.45rem;font-size:.85rem}

/* --- tomes: one row per tome ------------------------------------------ */
.tomes-grid{display:grid;gap:14px}
.tome{
  display:grid;grid-template-columns:150px minmax(0,1.05fr) minmax(0,1fr);gap:clamp(18px,3vw,40px);align-items:start;
  padding:clamp(18px,2.4vw,26px);border:1px solid rgba(201,164,92,.18);border-radius:var(--radius);
  background:linear-gradient(90deg,rgba(42,31,23,.6),rgba(28,21,16,.5));scroll-margin-top:90px;
}
.tome.new{border-color:rgba(201,164,92,.5)}
.tome-cover{perspective:900px}
.tome-cover .book{
  position:relative;aspect-ratio:1033/1400;border-radius:2px 5px 5px 2px;overflow:hidden;
  transform:rotateY(16deg);transform-origin:left center;transition:transform .5s var(--ease);
  box-shadow:-2px 0 0 rgba(0,0,0,.4) inset,16px 20px 36px -16px rgba(0,0,0,.95);background:#1a1208;
}
.tome-cover .book::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.14),rgba(255,255,255,0) 30%,rgba(0,0,0,.12) 100%);pointer-events:none}
.tome:hover .book{transform:rotateY(5deg)}
.tome-cover .book img{width:100%;height:100%;object-fit:cover}
.tome-cover .flip{margin-top:10px;font-size:.82rem;color:var(--parchment-3);border-bottom:1px solid transparent}
.tome-cover .flip:hover{color:var(--gold-bright);border-bottom-color:var(--gold-bright)}
.tome-body .t-roman{font-family:var(--caps);color:var(--gold);letter-spacing:.1em;font-size:.86rem}
.tome-body .t-roman .badge{display:inline-block;margin-left:10px;font-family:var(--sans);letter-spacing:0;font-size:.72rem;font-weight:600;color:#241a08;background:var(--gold-bright);padding:.15em .55em;border-radius:2px;vertical-align:middle}
.tome-body h3{font-size:clamp(1.6rem,2.4vw,2.1rem);margin:.15rem 0 .1rem}
.tome-body .t-era{color:var(--parchment-2);font-size:.98rem}
.tome-body .t-era span{color:var(--parchment-3)}
.tome-body .t-blurb{font-size:.95rem;color:var(--parchment-2);margin:.7rem 0 1rem}
.tome-body .t-actions{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center}
.t-minds{font-family:var(--display);font-size:1.02rem;line-height:1.3;color:var(--parchment);padding-top:.35rem}
.t-minds .t-minds-h{font-family:var(--sans);font-size:.78rem;color:var(--parchment-3);margin-bottom:.45rem}
.t-toggle{display:none;font-family:var(--sans);font-size:.9rem;color:var(--gold-bright);border-bottom:1px solid rgba(236,211,154,.35);padding:.2em 0;margin-bottom:.4rem}
.t-minds ol{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.t-minds li{display:flex;gap:.45em;padding:.1em 0;border-bottom:1px solid rgba(201,164,92,.1)}
.t-minds li span{font-family:var(--sans);font-size:.68rem;color:var(--gold-dim);min-width:1.7em;padding-top:.35em}
.tomes-foot{margin-top:clamp(26px,3vw,40px);display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;padding:22px 26px;border:1px dashed rgba(201,164,92,.35);border-radius:var(--radius)}
.tomes-foot p{color:var(--parchment-2);font-size:.98rem}
.tomes-foot p b{color:var(--parchment)}

/* --- inside a chapter (the book opens: page-white) --------------------- */
.inside{background:var(--page);color:var(--ink);position:relative}
.inside::before{content:"";position:absolute;inset:0 0 auto 0;height:26px;background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,0))}
.inside h2{color:var(--ink)}
.inside .sec-head p{color:var(--ink-2)}
.spread{
  display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid #d9d2c2;border-radius:3px;
  background:var(--page);box-shadow:0 30px 60px -30px rgba(0,0,0,.35);overflow:hidden;
}
.page-l,.page-r{padding:clamp(22px,3.4vw,44px)}
.page-l{border-right:1px solid #e6dfd0;background:linear-gradient(90deg,var(--page) 92%,#efeae0 100%)}
.page-r{background:linear-gradient(270deg,var(--page) 92%,#efeae0 100%)}
.running{font-size:.72rem;color:#8a8375;display:flex;justify-content:space-between;margin-bottom:1.6rem;letter-spacing:.01em}
.ch-open .ch-num{font-family:var(--sans);font-size:1.7rem;color:var(--page-blue);line-height:1.1;font-weight:500}
.ch-open .ch-name{font-family:var(--sans);font-size:2.1rem;color:var(--page-blue);font-weight:500;line-height:1.05;margin:.1rem 0 .5rem}
.ch-open .ch-sub{font-weight:600;color:var(--ink);font-size:.98rem}
.ch-open .ch-meta{color:var(--ink-2);font-size:.9rem;margin:.2rem 0 .9rem}
.ch-open .ch-quote{font-family:var(--display);font-style:italic;font-size:1.15rem;color:var(--ink-2);margin-bottom:1.3rem;max-width:36ch}
.skeleton{counter-reset:sk;border-top:1px solid #e3ddcf}
.skeleton li{display:grid;grid-template-columns:2.1rem 1fr;gap:8px;padding:.55em 0;border-bottom:1px solid #e3ddcf;font-size:.95rem;color:var(--ink)}
.skeleton li>div{min-width:0}
.skeleton li::before{counter-increment:sk;content:counter(sk) ".";color:var(--page-blue);font-weight:600}
.skeleton li small{display:block;color:#6d675b;font-size:.84rem;margin-top:.1rem}
.page-r h4{font-family:var(--sans);color:var(--page-blue);font-weight:500;font-size:1.35rem;margin-bottom:.3rem}
.page-r .intro{font-size:.93rem;color:var(--ink-2);margin-bottom:1.1rem}
.axes{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}
.axes li{display:grid;grid-template-columns:34px 1fr;gap:8px;align-items:start;padding:.5em 0;border-bottom:1px solid #e9e3d6;font-size:.9rem;color:var(--ink)}
.axes li .emo{font-size:1.25rem;line-height:1.1}
.axes li b{display:block;font-weight:600;font-size:.95rem}
.axes li span{display:block;color:#6d675b;font-size:.82rem;line-height:1.35}
.page-r .after{margin-top:1.2rem;font-size:.92rem;color:var(--ink-2)}
.page-r .after a{color:var(--page-blue);border-bottom:1px solid rgba(47,107,205,.35)}
.inside-note{margin-top:clamp(18px,2.4vw,28px);color:#6d675b;font-size:.95rem}
.inside-note .textlink{color:var(--page-blue);border-bottom-color:rgba(47,107,205,.35)}
.inside .btn-line{border-color:rgba(27,26,23,.35);color:var(--ink)}
.inside .btn-line:hover{border-color:var(--ink);color:var(--ink)}
.inside .small{color:#6d675b}

/* --- the 160 minds: an index, one column per tome ---------------------- */
.minds-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:26px}
.minds-tools input{flex:1 1 280px;min-height:46px;padding:.5em 1em;border-radius:3px;background:rgba(250,248,243,.06);border:1px solid rgba(239,230,211,.28);color:var(--parchment);font:inherit}
.minds-tools input::placeholder{color:var(--parchment-3)}
.minds-tools input:focus{border-color:var(--gold)}
.minds-count{font-size:.9rem;color:var(--parchment-3)}
.minds-index{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:22px 18px}
.tcol h4{font-family:var(--caps);font-weight:500;font-size:.8rem;letter-spacing:.08em;color:var(--gold);padding-bottom:.5rem;border-bottom:1px solid rgba(201,164,92,.35);margin-bottom:.4rem}
.tcol h4 small{display:block;font-family:var(--display);font-size:1.05rem;letter-spacing:0;color:var(--parchment);margin-top:.15rem;text-transform:none}
.tcol h4 em{display:block;font-family:var(--sans);font-style:normal;font-size:.72rem;color:var(--parchment-3);letter-spacing:0}
.m-btn{display:flex;gap:.4em;width:100%;text-align:left;padding:.28em 0;font-family:var(--display);font-size:1.02rem;line-height:1.2;color:var(--parchment);border-bottom:1px solid rgba(201,164,92,.12);transition:color .2s}
.m-btn:hover{color:var(--gold-bright)}
.m-btn .m-n{font-family:var(--sans);font-size:.66rem;color:var(--gold-dim);min-width:1.9em;padding-top:.3em}
.m-btn[aria-expanded="true"]{color:var(--gold-bright)}
.m-th{font-size:.84rem;line-height:1.45;color:var(--parchment-2);padding:.4em 0 .6em 1.9em;border-bottom:1px solid rgba(201,164,92,.12)}
.m-th[hidden]{display:none}
.mind.hide{display:none}
.mind.flash .m-btn{color:var(--gold-bright)}
.minds-empty{grid-column:1/-1;padding:30px 0;color:var(--parchment-3)}
.minds-note{margin-top:24px;color:var(--parchment-3);font-size:.9rem}

/* --- platform ---------------------------------------------------------- */
.platform-card{
  display:grid;grid-template-columns:1.25fr .9fr;gap:clamp(24px,4vw,56px);align-items:center;
  border:1px solid rgba(110,164,255,.3);border-radius:var(--radius);padding:clamp(26px,4vw,52px);
  background:
    radial-gradient(90% 120% at 100% 0%,rgba(43,86,168,.28),rgba(43,86,168,0) 60%),
    linear-gradient(180deg,rgba(22,24,38,.85),rgba(21,15,11,.85));
}
.platform-card h2{color:#e9f0ff}
.platform-card .lede{color:#c6d3ee}
.unlocks{margin-top:1.3rem;display:grid;gap:.6rem}
.unlocks li{display:grid;grid-template-columns:26px 1fr;gap:10px;align-items:start;color:#dfe7f7;font-size:.98rem}
.unlocks li svg{width:22px;height:22px;stroke:var(--machine);fill:none;stroke-width:1.6;margin-top:.1em}
.unlocks li b{color:#fff;font-weight:600}
.member{border:1px solid rgba(110,164,255,.35);border-radius:var(--radius);padding:26px 26px 22px;background:rgba(10,14,28,.55)}
.member .price{font-family:var(--display);font-size:3rem;line-height:1;color:#fff}
.member .price small{font-family:var(--sans);font-size:.95rem;color:#a9b9da;margin-left:.3em}
.member .incl{margin:.6rem 0 1.1rem;padding:.7rem .9rem;border-radius:3px;background:rgba(201,164,92,.14);border:1px solid rgba(201,164,92,.4);color:var(--gold-bright);font-size:.93rem;line-height:1.4}
.member .incl b{color:#fff}
.member .m-actions{display:grid;gap:10px}
.member .fine{margin-top:.9rem;font-size:.82rem;color:#8ea0c4}

/* --- what's next ------------------------------------------------------- */
.next-grid{display:grid;grid-template-columns:180px 1fr;gap:clamp(20px,3vw,40px);align-items:center}
.ghost-spine{aspect-ratio:1033/1400;border:1px dashed rgba(201,164,92,.5);border-radius:2px 5px 5px 2px;display:grid;place-items:center;text-align:center;padding:16px;background:rgba(21,15,11,.45)}
.ghost-spine .r{font-family:var(--caps);font-size:2rem;color:var(--gold);letter-spacing:.1em}
.ghost-spine small{display:block;color:var(--parchment-3);font-size:.8rem;margin-top:.4rem}
.next-copy p{color:var(--parchment-2);margin-bottom:.8rem}
.next-copy .names{font-family:var(--display);font-size:1.15rem;color:var(--parchment);line-height:1.5}

/* --- author ------------------------------------------------------------ */
.author-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,80px);align-items:start}
.author-grid p{color:var(--parchment-2);margin-bottom:.9rem}
.author-grid .links{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:.4rem}
.books-h{font-size:1.1rem;color:var(--parchment-3);font-family:var(--sans);font-weight:500;margin-bottom:.6rem}
.trilogy{border-left:2px solid var(--gold-dim);padding-left:18px}
.trilogy li{font-family:var(--display);font-size:1.15rem;padding:.3em 0;color:var(--parchment)}
.trilogy a{display:block;border-bottom:1px solid transparent;transition:color .2s}
.trilogy a:hover{color:var(--gold-bright)}
.trilogy li small{display:block;font-family:var(--sans);font-size:.85rem;color:var(--parchment-3)}

/* --- final CTA --------------------------------------------------------- */
.finale{position:relative;text-align:center;padding-block:clamp(80px,10vw,140px);overflow:hidden}
.finale::before{content:"";position:absolute;inset:0;z-index:-1;background:url("../assets/textures/library-blur.jpg") center/cover no-repeat;opacity:.5;filter:saturate(.8)}
.finale::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,var(--leather) 0%,rgba(21,15,11,.45) 40%,rgba(21,15,11,.6) 100%)}
.finale h2{margin-inline:auto;max-width:18ch;font-size:clamp(2.4rem,5vw,4rem)}
.finale p{margin:1rem auto 1.6rem;color:var(--parchment-2)}
.finale .row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.finale .fine{margin-top:1.1rem;font-size:.86rem;color:var(--parchment-3)}

/* --- footer ------------------------------------------------------------ */
.site-foot{border-top:1px solid rgba(201,164,92,.2);padding-block:44px 30px;font-size:.9rem;color:var(--parchment-3)}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:26px}
.foot-grid h5{font-family:var(--sans);font-weight:600;font-size:.85rem;color:var(--parchment-2);margin-bottom:.6rem}
.foot-grid a{display:block;padding:.2em 0;color:var(--parchment-2)}
.foot-grid a:hover{color:var(--gold-bright)}
.foot-brand{display:flex;gap:12px;align-items:center;margin-bottom:.6rem;color:var(--parchment);font-family:var(--display);font-size:1.15rem}
.foot-brand img{width:30px;height:30px;border-radius:50%}
.foot-copy{margin-top:30px;padding-top:18px;border-top:1px solid rgba(239,230,211,.1);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}

/* --- responsive -------------------------------------------------------- */
@media (max-width:1100px){
  .head-cta .btn-line{display:none}
  .nav{gap:18px}
  .minds-index{grid-template-columns:repeat(4,minmax(0,1fr))}
  .tome{grid-template-columns:130px minmax(0,1fr)}
  .tome .t-minds{grid-column:2}
  .hero-grid{grid-template-columns:1fr}
  .hero{display:block;min-height:0}
  .shelf-stage{position:relative;height:calc(52svh + 68px);min-height:400px}
  .hero-copy{padding-top:10px}
  .tome-panel{position:relative;right:auto;top:auto;transform:none;width:min(560px,calc(100% - 2*var(--gutter)));margin:0 auto 26px;max-height:none}
  .tome-panel.show{transform:none}
  .tome-panel:not(.show){display:none}
  .planes{grid-template-columns:1fr}
  .hero.has-selection .hero-text h1,.hero.has-selection .hero-text .echo,.hero.has-selection .hero-text .lede,.hero.has-selection .hero-cta{display:none}
  .hero.has-selection .hero-text{opacity:1}
}
@media (max-width:900px){
  .nav,.head-cta .btn-line{display:none}
  .menu-btn{display:grid}
  .question-grid,.author-grid,.platform-card,.spread{grid-template-columns:1fr}
  .page-l{border-right:0;border-bottom:1px solid #e6dfd0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .facts li{flex:1 1 40%}
  .hero-hint.touch-only{display:flex}.hero-hint.mouse-only{display:none}
  .next-grid{grid-template-columns:140px 1fr}
}
@media (max-width:620px){
  body{font-size:1rem}
  .hero{min-height:calc(100svh - 0px)}
  .hero h1{font-size:clamp(2.6rem,12vw,3.4rem)}
  .tome{grid-template-columns:1fr}
  .tome-cover{max-width:160px}
  .tome .t-minds{grid-column:1;padding-top:0}
  .t-minds .t-minds-h{display:none}
  .t-toggle{display:inline-block}
  .t-minds ol{display:none}
  .t-minds.open ol{display:grid;grid-template-columns:1fr 1fr}
  .m-btn{font-size:.98rem}
  .minds-index{grid-template-columns:1fr 1fr;gap:18px 14px}
  .tomes-foot{grid-template-columns:1fr}
  .tome-panel .tp-minds{columns:1;max-height:180px}
  .axes{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .facts li{flex:1 1 100%;padding-block:12px}
  .next-grid{grid-template-columns:1fr}
  .ghost-spine{max-width:150px}
  .dock{gap:5px}.dock button{width:38px}
  .head-cta .btn-gold{display:none}
  .brand{font-size:1.05rem}.brand small{font-size:.66rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* --- star label + selection state (hero) --------------------------------- */
.star-label{position:absolute;z-index:4;transform:translate(-50%,-130%);pointer-events:none;
  background:rgba(21,15,11,.9);border:1px solid rgba(201,164,92,.5);border-radius:3px;padding:6px 10px;white-space:nowrap;
  font-size:.85rem;color:var(--parchment);box-shadow:0 10px 20px -10px rgba(0,0,0,.9)}
.star-label b{display:block;font-family:var(--display);font-size:1.05rem;font-weight:500;color:var(--gold-bright)}
.star-label span{color:var(--parchment-3);font-size:.78rem}
.hero .hero-text{transition:opacity .4s}
.hero.has-selection .hero-text h1,.hero.has-selection .hero-text .echo,.hero.has-selection .hero-text .lede,.hero.has-selection .hero-cta{display:none}
.hero.has-selection .hero-hint{opacity:.7}


/* --- edición en español: elementos propios ------------------------------ */
.dock-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px 18px}
.dock-note{font-size:.88rem;color:var(--parchment-2);border-bottom:1px solid rgba(239,230,211,.3);padding-bottom:2px;margin-bottom:6px;pointer-events:auto}
.dock-note:hover{color:var(--gold-bright);border-bottom-color:var(--gold-bright)}
.hero.has-selection .dock-note{display:none}
.en-bridge{grid-template-columns:1fr auto;align-items:center}
.en-covers{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.en-covers a{width:44px;aspect-ratio:1033/1400;border-radius:2px;overflow:hidden;border:1px solid rgba(201,164,92,.35);opacity:.85;transition:transform .25s var(--ease),opacity .25s}
.en-covers a:hover{opacity:1;transform:translateY(-4px)}
.en-covers img{width:100%;height:100%;object-fit:cover}
.minds-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(24px,4vw,56px)}
.minds-grid .mind{display:grid;grid-template-columns:2.4rem 1fr;gap:10px;padding:.85em 0;border-bottom:1px solid rgba(201,164,92,.16)}
.minds-grid .m-n{font-family:var(--caps);font-size:.8rem;color:var(--gold-dim);padding-top:.35em}
.minds-grid .m-name{font-family:var(--display);font-size:1.3rem;line-height:1.15;color:var(--parchment)}
.minds-grid .m-thesis{font-size:.92rem;color:var(--parchment-2);margin-top:.2rem;line-height:1.45}
@media (max-width:900px){ .en-bridge{grid-template-columns:1fr} }
@media (max-width:620px){ .minds-grid{grid-template-columns:1fr} .en-covers a{width:36px} }

/* cabecera más compacta: la marca es más larga en español */
.nav{gap:20px}.nav a{font-size:.92rem;white-space:nowrap}
.brand{font-size:1.15rem}
@media (max-width:1500px){ .head-cta .btn-line{display:none} }
.brand{flex-shrink:0}.nav{min-width:0}