/* =====================================================================
   Ungodly AI — Two Point Museum install guide
   "Museum after hours": deep gallery shadow, spotlit brass placards,
   Two-Point teal signage, monospace specimen cards.
   Author: StixsworldHD (StixsmasterHD4k)
   ===================================================================== */

/* ----------------------------------------------------------------- *
   1. Design tokens
   ----------------------------------------------------------------- */
:root{
  /* Surfaces — a gallery in shadow */
  --bg:        #0d1413;
  --bg-2:      #0f1817;
  --surface:   #14201e;   /* display plinth            */
  --surface-2: #182925;   /* raised card               */
  --surface-3: #1e332d;   /* card hover / inset         */
  --plinth:    #0b1110;   /* darkest recess (code/tree) */

  /* Ink — warm gallery-label paper under light */
  --ink:    #ece6d8;
  --ink-2:  #cdc8ba;
  --muted:  #8d9a93;
  --muted-2:#6c7a73;

  /* Brass — the placards & the spotlights (brand accent) */
  --brass:        #c9a24b;
  --brass-bright: #ecca77;
  --brass-deep:   #93722f;
  --brass-glow:   rgba(233,199,114,.45);

  /* Teal — Two Point signage (secondary / interactive) */
  --teal:        #2bb7a3;
  --teal-bright: #4cdcc4;
  --teal-deep:   #15605a;

  /* Status */
  --warn:    #df6e44;   --warn-ink:#f0b79c;  --warn-bg:rgba(223,110,68,.10);  --warn-line:rgba(223,110,68,.38);
  --danger:  #e1574c;   --danger-bg:rgba(225,87,76,.10);  --danger-line:rgba(225,87,76,.40);
  --good:    #54c08c;   --good-bg:rgba(84,192,140,.10);   --good-line:rgba(84,192,140,.36);
  --info:    var(--teal); --info-bg:rgba(43,183,163,.09); --info-line:rgba(43,183,163,.34);

  /* Hairlines */
  --line:      rgba(201,162,75,.16);
  --line-soft: rgba(236,230,216,.085);
  --line-hard: rgba(236,230,216,.16);

  /* Type */
  --font-display:'Bricolage Grotesque','Hanken Grotesk',system-ui,sans-serif;
  --font-body:   'Hanken Grotesk',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-mono:   'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-engrave:'Cormorant Garamond',Georgia,serif;

  /* Shape & depth */
  --r-sm:8px; --r:14px; --r-lg:20px; --r-xl:28px;
  --shadow-1:0 1px 2px rgba(0,0,0,.45);
  --shadow-2:0 14px 34px -18px rgba(0,0,0,.7);
  --shadow-3:0 30px 70px -28px rgba(0,0,0,.82);

  --wrap:1140px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ----------------------------------------------------------------- *
   2. Reset & base
   ----------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:92px}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:clamp(15.5px,.55vw + 14px,17px);
  line-height:1.68;
  color:var(--ink-2);
  background:
    radial-gradient(1200px 700px at 50% -8%, #14211f 0%, transparent 60%),
    radial-gradient(900px 600px at 88% 8%, rgba(43,183,163,.05) 0%, transparent 55%),
    var(--bg);
  background-attachment:fixed;
  overflow-x:hidden;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--teal-bright);text-decoration:none}
a:hover{color:#7ff0dd}
strong{color:var(--ink);font-weight:700}
hr{border:0;height:1px;background:var(--line-soft);margin:2.4rem 0}
::selection{background:var(--brass);color:#1a130a}

.wrap{width:min(var(--wrap),100% - 3rem);margin-inline:auto}
.muted{color:var(--muted)}
.nowrap{white-space:nowrap}

.skip-link{
  position:fixed;left:1rem;top:-3rem;z-index:200;
  background:var(--brass);color:#1a130a;font-weight:700;
  padding:.55rem 1rem;border-radius:0 0 var(--r-sm) var(--r-sm);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0}

/* Spotlight glow that "lights" the gallery from above */
.spotlight{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(680px 520px at var(--spot-x,50%) -6%,
            rgba(233,199,114,.10) 0%, rgba(233,199,114,.04) 38%, transparent 70%);
  mix-blend-mode:screen;
  animation:spotDrift 22s ease-in-out infinite alternate;
}
@keyframes spotDrift{from{--spot-x:44%}to{--spot-x:56%}}

/* ----------------------------------------------------------------- *
   3. Typography
   ----------------------------------------------------------------- */
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);line-height:1.1;letter-spacing:-.018em;margin:0}
h2{font-size:clamp(1.55rem,2.2vw + 1rem,2.4rem);font-weight:800}
h3{font-size:clamp(1.18rem,1vw + .85rem,1.5rem);font-weight:700;letter-spacing:-.01em}
h4{font-size:1.04rem;font-weight:700;letter-spacing:0}
p{margin:0 0 1.05rem}
.lede{font-size:clamp(1.05rem,.7vw + .95rem,1.28rem);color:var(--ink);line-height:1.55}

.kicker{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-mono);font-size:.72rem;font-weight:600;
  letter-spacing:.26em;text-transform:uppercase;color:var(--brass-bright);
  margin:0 0 1.1rem;
}
.kicker__dot{width:7px;height:7px;border-radius:50%;background:var(--brass);box-shadow:0 0 12px var(--brass-glow)}

.accession{
  font-family:var(--font-mono);font-size:.78rem;font-weight:700;letter-spacing:.2em;
  color:var(--brass);border:1px solid var(--line);border-radius:999px;
  padding:.34rem .8rem;white-space:nowrap;background:rgba(201,162,75,.05);
}

/* ----------------------------------------------------------------- *
   4. Masthead bar / primary navigation
   ----------------------------------------------------------------- */
.masthead-bar{
  position:sticky;top:0;z-index:90;
  background:rgba(11,17,16,.78);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  border-bottom:1px solid var(--line-soft);
}
.masthead-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:66px}
.brand{display:inline-flex;align-items:center;gap:.7rem;color:var(--brass)}
.brand__mark{display:grid;place-items:center;color:var(--brass);filter:drop-shadow(0 0 10px var(--brass-glow));transition:transform .4s var(--ease)}
.brand:hover .brand__mark{transform:translateY(-1px) rotate(-2deg)}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-family:var(--font-display);font-weight:800;font-size:1.06rem;color:var(--ink);letter-spacing:-.01em}
.brand__sub{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

.primary-nav ul{display:flex;gap:.2rem;list-style:none;margin:0;padding:0}
.primary-nav a{
  display:inline-block;position:relative;
  font-family:var(--font-mono);font-size:.82rem;font-weight:500;letter-spacing:.02em;
  color:var(--muted);padding:.55rem .8rem;border-radius:var(--r-sm);transition:color .2s,background .2s;
}
.primary-nav a:hover{color:var(--ink);background:rgba(236,230,216,.04)}
.primary-nav a.is-active{color:var(--brass-bright)}
.primary-nav a.is-active::after{
  content:"";position:absolute;left:.8rem;right:.8rem;bottom:.3rem;height:2px;
  background:linear-gradient(90deg,var(--brass),var(--brass-bright));border-radius:2px;
  box-shadow:0 0 10px var(--brass-glow);
}

.nav-toggle{
  display:none;align-items:center;gap:.5rem;cursor:pointer;
  background:var(--surface-2);border:1px solid var(--line-hard);border-radius:var(--r-sm);
  color:var(--ink);padding:.5rem .7rem;font-family:var(--font-mono);font-size:.78rem;
}
.nav-toggle__bars{display:inline-grid;gap:3.5px}
.nav-toggle__bars span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ----------------------------------------------------------------- *
   5. Section spacing & masthead
   ----------------------------------------------------------------- */
.main{position:relative;z-index:1}
.section{padding-block:clamp(2.6rem,5vw,4.6rem)}
.section--tight{padding-block:clamp(1.8rem,3.5vw,3rem)}
.section + .section{padding-top:0}

.section-masthead{padding:clamp(2.4rem,5vw,4rem) 0 clamp(1rem,2vw,1.6rem)}
.section-masthead__row{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.section-masthead__title{font-size:clamp(2rem,3.6vw + 1rem,3.4rem);font-weight:800;max-width:18ch}
.section-masthead__intro{max-width:64ch;margin-top:1.1rem;font-size:clamp(1.02rem,.6vw + .92rem,1.18rem);color:var(--ink-2)}

/* ----------------------------------------------------------------- *
   6. Brass placard — the signature device
   ----------------------------------------------------------------- */
.placard{
  display:inline-flex;flex-direction:column;gap:.18rem;
  padding:1.05rem 1.5rem 1.1rem;border-radius:10px;position:relative;isolation:isolate;
  background:
    linear-gradient(155deg,#e7cf8f 0%, #c79f49 26%, #ad852f 52%, #d8b768 74%, #9c7a33 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,247,224,.75),
    inset 0 -2px 3px rgba(60,40,8,.55),
    inset 2px 0 3px rgba(255,247,224,.18),
    inset -2px 0 3px rgba(60,40,8,.35),
    var(--shadow-2);
  border:1px solid rgba(60,42,10,.5);
}
.placard::after{ /* engraved bevel groove around the edge */
  content:"";position:absolute;inset:5px;border-radius:6px;
  border:1px solid rgba(70,48,12,.45);
  box-shadow:inset 0 1px 0 rgba(255,247,224,.35);
  pointer-events:none;
}
.placard__acc{font-family:var(--font-mono);font-size:.7rem;font-weight:700;letter-spacing:.28em;color:#4a3411;opacity:.85}
.placard__title{
  font-family:var(--font-engrave);font-weight:600;
  font-size:clamp(1.4rem,2vw + 1rem,2.1rem);line-height:1.05;letter-spacing:.02em;
  color:#3a2809;text-shadow:0 1px 0 rgba(255,250,235,.4);
}
.placard__sub{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.06em;color:#523a13;margin-top:.15rem}

/* ----------------------------------------------------------------- *
   7. Hero (Overview page)
   ----------------------------------------------------------------- */
.hero{position:relative;padding:clamp(2.8rem,6vw,5.4rem) 0 clamp(1.6rem,3vw,2.6rem);overflow:hidden}
.hero__glow{
  position:absolute;left:50%;top:-30%;width:760px;height:760px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(233,199,114,.16),rgba(233,199,114,.04) 45%,transparent 68%);
  pointer-events:none;z-index:-1;
}
.hero__inner{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(1.6rem,4vw,3.6rem);align-items:center}
.hero__plate{margin-bottom:1.5rem}
.hero__title{font-size:clamp(2.4rem,4.6vw + 1rem,4.4rem);font-weight:800;letter-spacing:-.025em;line-height:1.02}
.hero__title .accent{
  background:linear-gradient(100deg,var(--brass-bright),var(--brass) 55%,#fff0c8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lede{max-width:54ch;margin-top:1.3rem;font-size:clamp(1.06rem,.7vw + .95rem,1.3rem);color:var(--ink-2)}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.9rem}
.hero__meta{display:flex;flex-wrap:wrap;gap:1.4rem 2.2rem;margin-top:2.2rem;padding-top:1.6rem;border-top:1px solid var(--line-soft)}
.hero__meta div{display:flex;flex-direction:column;gap:.18rem}
.hero__meta dt{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.hero__meta dd{margin:0;font-weight:700;color:var(--ink);font-size:1.02rem}

/* The two-phase "lit exhibits" panel on the right of the hero */
.phase-stack{display:grid;gap:1rem}
.phase-card{
  position:relative;background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--line-soft);border-left:3px solid var(--brass);
  border-radius:var(--r);padding:1.2rem 1.3rem;box-shadow:var(--shadow-2);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.phase-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-left-color:var(--brass-bright)}
.phase-card__n{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;color:var(--brass);text-transform:uppercase}
.phase-card h3{margin:.35rem 0 .35rem;font-size:1.12rem}
.phase-card p{margin:0;font-size:.92rem;color:var(--muted)}
.phase-card__arrow{position:absolute;right:1.1rem;top:1.1rem;color:var(--teal-bright);opacity:.7;transition:transform .3s}
.phase-card:hover .phase-card__arrow{transform:translateX(3px)}
.phase-connector{display:grid;place-items:center;color:var(--brass);opacity:.5;font-size:1.1rem}

/* ----------------------------------------------------------------- *
   8. Buttons
   ----------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;cursor:pointer;
  font-family:var(--font-body);font-weight:700;font-size:.95rem;letter-spacing:.01em;
  padding:.82rem 1.35rem;border-radius:999px;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .25s,background .25s,color .25s,border-color .25s;
  text-align:center;line-height:1.1;
}
.btn:active{transform:translateY(1px)}
.btn--primary{
  background:linear-gradient(150deg,var(--brass-bright),var(--brass) 60%,var(--brass-deep));
  color:#1c1407;box-shadow:0 10px 26px -12px var(--brass-glow),inset 0 1px 0 rgba(255,255,255,.4);
}
.btn--primary:hover{color:#1c1407;box-shadow:0 16px 34px -14px var(--brass-glow),inset 0 1px 0 rgba(255,255,255,.5);transform:translateY(-2px)}
.btn--ghost{background:rgba(236,230,216,.03);border-color:var(--line-hard);color:var(--ink)}
.btn--ghost:hover{color:var(--ink);border-color:var(--brass);background:rgba(201,162,75,.08)}
.btn--teal{background:linear-gradient(150deg,var(--teal-bright),var(--teal) 65%,var(--teal-deep));color:#04211d;box-shadow:0 10px 26px -14px rgba(43,183,163,.5)}
.btn--teal:hover{color:#04211d;transform:translateY(-2px)}
.btn__sub{font-family:var(--font-mono);font-weight:500;font-size:.72rem;opacity:.8}

/* ----------------------------------------------------------------- *
   9. Generic cards & grids
   ----------------------------------------------------------------- */
.grid{display:grid;gap:1.1rem}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

.card{
  background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--line-soft);border-radius:var(--r);padding:1.4rem 1.45rem;
  box-shadow:var(--shadow-1);transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;
}
.card--lift:hover{transform:translateY(-3px);border-color:var(--line);box-shadow:var(--shadow-2)}
.card__icon{
  width:42px;height:42px;border-radius:11px;display:grid;place-items:center;margin-bottom:.9rem;
  background:rgba(201,162,75,.1);border:1px solid var(--line);color:var(--brass-bright);font-size:1.15rem;
}
.card h3{margin-bottom:.5rem}
.card p:last-child{margin-bottom:0}
.card--teal .card__icon{background:rgba(43,183,163,.1);border-color:var(--info-line);color:var(--teal-bright)}

/* Spec list (definition rows) */
.spec{display:grid;gap:0;border:1px solid var(--line-soft);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.spec__row{display:grid;grid-template-columns:minmax(140px,.4fr) 1fr;gap:1rem;padding:.85rem 1.2rem;border-top:1px solid var(--line-soft)}
.spec__row:first-child{border-top:0}
.spec__row dt{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.04em;color:var(--muted);text-transform:uppercase;align-self:center}
.spec__row dd{margin:0;color:var(--ink);font-weight:600}

/* ----------------------------------------------------------------- *
   10. Steps — numbered "gallery stops" (install is a real sequence)
   ----------------------------------------------------------------- */
.steps{position:relative;margin-top:2rem;display:grid;gap:1.4rem}
.steps::before{ /* the rope line connecting stops */
  content:"";position:absolute;left:25px;top:26px;bottom:26px;width:2px;
  background:linear-gradient(var(--brass),transparent 8%,var(--line) 8%,var(--line) 92%,transparent);
  opacity:.5;
}
.step{position:relative;display:grid;grid-template-columns:52px 1fr;gap:1.1rem;align-items:start}
.step__num{
  position:relative;z-index:1;width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-family:var(--font-display);font-weight:800;font-size:1.25rem;color:#1c1407;
  background:linear-gradient(150deg,var(--brass-bright),var(--brass) 60%,var(--brass-deep));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45),0 8px 20px -10px var(--brass-glow);
}
.step__body{
  background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--line-soft);border-radius:var(--r);padding:1.3rem 1.4rem;box-shadow:var(--shadow-1);
}
.step__body > h3{margin-bottom:.5rem}
.step__body > :last-child{margin-bottom:0}
.step__tag{
  display:inline-block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal-bright);background:var(--info-bg);border:1px solid var(--info-line);
  border-radius:999px;padding:.2rem .65rem;margin-bottom:.7rem;
}

/* ----------------------------------------------------------------- *
   11. Code / path blocks + copy buttons
   ----------------------------------------------------------------- */
code{font-family:var(--font-mono);font-size:.88em;background:rgba(236,230,216,.07);color:var(--brass-bright);
     padding:.12em .42em;border-radius:6px;border:1px solid var(--line-soft)}
.path{color:var(--teal-bright);background:rgba(43,183,163,.08);border-color:var(--info-line)}

.codeblock{position:relative;margin:1.1rem 0;border:1px solid var(--line-soft);border-radius:var(--r);
           background:var(--plinth);overflow:hidden;box-shadow:var(--shadow-1)}
.codeblock__bar{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.55rem .9rem;background:rgba(255,255,255,.018);border-bottom:1px solid var(--line-soft);
}
.codeblock__label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:inline-flex;gap:.5rem;align-items:center}
.codeblock__dot{width:9px;height:9px;border-radius:50%;background:var(--brass);box-shadow:0 0 8px var(--brass-glow)}
.codeblock pre{margin:0;padding:1rem 1.1rem;overflow-x:auto;font-family:var(--font-mono);font-size:.84rem;line-height:1.65;color:#d6e4df}
.codeblock pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}

.copy-btn{
  cursor:pointer;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.05em;
  background:var(--surface-2);border:1px solid var(--line-hard);color:var(--ink-2);
  border-radius:7px;padding:.32rem .6rem;display:inline-flex;align-items:center;gap:.4rem;
  transition:color .2s,border-color .2s,background .2s;white-space:nowrap;
}
.copy-btn:hover{color:var(--brass-bright);border-color:var(--brass)}
.copy-btn.is-copied{color:var(--good);border-color:var(--good-line)}

/* Syntax-ish tokens for the console log snippets */
.tok-info{color:var(--teal-bright)}
.tok-warn{color:var(--warn-ink)}
.tok-good{color:var(--good)}
.tok-dim{color:var(--muted-2)}
.tok-key{color:var(--brass-bright)}
.tok-str{color:#b7d8a0}

/* ----------------------------------------------------------------- *
   12. File-tree "specimen catalogue" blocks
   ----------------------------------------------------------------- */
.tree{margin:1.2rem 0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--plinth);box-shadow:var(--shadow-1)}
.tree__head{display:flex;align-items:center;gap:.6rem;padding:.7rem 1rem;background:rgba(201,162,75,.06);border-bottom:1px solid var(--line)}
.tree__head svg{color:var(--brass);flex:none}
.tree__title{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.06em;color:var(--ink);font-weight:500}
.tree__title b{color:var(--brass-bright);font-weight:700}
.tree pre{margin:0;padding:1rem 1.15rem;overflow-x:auto;font-family:var(--font-mono);font-size:.82rem;line-height:1.7;color:var(--ink-2)}
.tree .t-dir{color:var(--brass-bright);font-weight:600}
.tree .t-file{color:#cfe0db}
.tree .t-new{color:var(--good)}
.tree .t-note{color:var(--muted)}
.tree .t-line{color:var(--muted-2)}
.tree .t-key{color:var(--teal-bright);font-weight:600}

/* ----------------------------------------------------------------- *
   13. Callouts
   ----------------------------------------------------------------- */
.note{
  position:relative;margin:1.3rem 0;padding:1.05rem 1.2rem 1.05rem 1.25rem;border-radius:var(--r);
  background:var(--info-bg);border:1px solid var(--info-line);border-left:3px solid var(--teal);
}
.note__title{display:flex;align-items:center;gap:.55rem;font-family:var(--font-display);font-weight:700;color:var(--ink);margin-bottom:.4rem;font-size:1rem}
.note__icon{font-size:1.05rem}
.note p:last-child{margin-bottom:0}
.note--warn{background:var(--warn-bg);border-color:var(--warn-line);border-left-color:var(--warn)}
.note--warn .note__icon{color:var(--warn-ink)}
.note--danger{background:var(--danger-bg);border-color:var(--danger-line);border-left-color:var(--danger)}
.note--good{background:var(--good-bg);border-color:var(--good-line);border-left-color:var(--good)}
.note--good .note__icon{color:var(--good)}
.note--brass{background:rgba(201,162,75,.07);border-color:var(--line);border-left-color:var(--brass)}
.note--brass .note__icon{color:var(--brass-bright)}

/* ----------------------------------------------------------------- *
   14. Exhibit images (framed) + lightbox triggers
   ----------------------------------------------------------------- */
.exhibit{margin:0;display:flex;flex-direction:column}
.exhibit__frame{
  position:relative;display:block;width:100%;cursor:zoom-in;padding:0;border:0;background:none;
  border-radius:6px;overflow:hidden;isolation:isolate;
  box-shadow:
    inset 0 0 0 1px rgba(255,247,224,.12),
    0 0 0 8px #0a100f,                       /* matte */
    0 0 0 11px var(--brass-deep),            /* inner frame */
    0 0 0 12px rgba(255,247,224,.18),
    var(--shadow-3);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.exhibit__frame img{width:100%;height:auto;display:block;transition:transform .5s var(--ease),filter .35s}
.exhibit__frame:hover{transform:translateY(-3px)}
.exhibit__frame:hover img{transform:scale(1.025);filter:brightness(1.06)}
.exhibit__glass{ /* spotlight gleam across the glass on hover */
  position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 38%,rgba(255,255,255,.1) 48%,transparent 58%);
  opacity:0;transform:translateX(-30%);transition:opacity .4s,transform .7s var(--ease);
}
.exhibit__frame:hover .exhibit__glass{opacity:1;transform:translateX(30%)}
.exhibit__zoom{
  position:absolute;right:.7rem;bottom:.7rem;z-index:2;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;color:#1c1407;
  background:var(--brass-bright);padding:.3rem .6rem;border-radius:7px;font-weight:700;
  opacity:0;transform:translateY(6px);transition:opacity .3s,transform .3s;box-shadow:var(--shadow-1);
}
.exhibit__frame:hover .exhibit__zoom,.exhibit__frame:focus-visible .exhibit__zoom{opacity:1;transform:translateY(0)}
.exhibit__plate{
  align-self:center;margin-top:1rem;max-width:90%;
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:center;gap:.3rem .9rem;text-align:center;
  background:linear-gradient(155deg,#d8b768,#b08e3f 60%,#9c7a33);
  border:1px solid rgba(60,42,10,.5);border-radius:7px;padding:.45rem 1rem;
  box-shadow:inset 0 1px 0 rgba(255,247,224,.6),var(--shadow-1);
}
.exhibit__plate-text{font-family:var(--font-engrave);font-weight:600;font-size:.98rem;color:#33240a;letter-spacing:.01em}
.exhibit__plate-dims{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.08em;color:#5b4216}

.exhibit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(1.6rem,3vw,2.6rem) clamp(1.4rem,3vw,2.4rem);margin-top:1.6rem}

/* ----------------------------------------------------------------- *
   15. Lightbox
   ----------------------------------------------------------------- */
.lightbox{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:clamp(1rem,4vw,3rem)}
.lightbox[hidden]{display:none}
.lightbox__backdrop{position:absolute;inset:0;background:rgba(5,8,8,.9);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:fade .25s ease}
.lightbox__figure{position:relative;z-index:1;margin:0;max-width:min(1400px,96vw);max-height:92vh;display:flex;flex-direction:column;gap:.8rem;animation:pop .3s var(--ease)}
.lightbox__img{
  max-width:100%;max-height:80vh;width:auto;height:auto;object-fit:contain;border-radius:6px;
  box-shadow:0 0 0 1px rgba(255,247,224,.14),0 0 0 9px var(--brass-deep),0 0 0 10px rgba(255,247,224,.2),0 40px 90px -20px #000;
}
.lightbox__caption{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.4rem 1.2rem;text-align:center;color:var(--ink)}
.lightbox__caption span{font-family:var(--font-engrave);font-size:1.1rem;color:var(--brass-bright)}
.lightbox__open{font-family:var(--font-mono);font-size:.76rem;color:var(--teal-bright)}
.lightbox__btn{
  position:absolute;z-index:2;cursor:pointer;display:grid;place-items:center;
  width:46px;height:46px;border-radius:50%;font-size:1.5rem;line-height:1;
  background:rgba(20,32,30,.85);border:1px solid var(--line-hard);color:var(--ink);
  transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.lightbox__btn:hover{background:var(--surface-3);color:var(--brass-bright);border-color:var(--brass)}
.lightbox__btn--close{top:clamp(1rem,3vw,2rem);right:clamp(1rem,3vw,2rem);font-size:1.2rem}
.lightbox__btn--prev{left:clamp(.5rem,2vw,1.6rem);top:50%;transform:translateY(-50%)}
.lightbox__btn--next{right:clamp(.5rem,2vw,1.6rem);top:50%;transform:translateY(-50%)}
.lightbox__btn--prev:hover,.lightbox__btn--next:hover{transform:translateY(-50%) scale(1.08)}
.lightbox.is-single .lightbox__btn--prev,.lightbox.is-single .lightbox__btn--next{display:none}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}

/* ----------------------------------------------------------------- *
   16. Tables (config reference etc.)
   ----------------------------------------------------------------- */
.table-wrap{overflow-x:auto;margin:1.2rem 0;border:1px solid var(--line-soft);border-radius:var(--r);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:540px}
thead th{
  text-align:left;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brass-bright);background:rgba(201,162,75,.06);padding:.8rem 1rem;border-bottom:1px solid var(--line);
}
tbody td{padding:.75rem 1rem;border-top:1px solid var(--line-soft);color:var(--ink-2);vertical-align:top}
tbody tr:hover td{background:rgba(236,230,216,.02)}
td code,th code{font-size:.82em}

/* ----------------------------------------------------------------- *
   17. Misc content blocks
   ----------------------------------------------------------------- */
.prose{max-width:74ch}
.prose ul,.prose ol{margin:0 0 1.1rem;padding-left:1.3rem}
.prose li{margin-bottom:.5rem}
.prose li::marker{color:var(--brass)}

.checklist{list-style:none;margin:1rem 0;padding:0;display:grid;gap:.7rem}
.checklist li{position:relative;padding-left:2rem;color:var(--ink-2)}
.checklist li::before{
  content:"✓";position:absolute;left:0;top:.05rem;width:1.35rem;height:1.35rem;border-radius:6px;
  display:grid;place-items:center;font-size:.78rem;font-weight:700;
  background:var(--good-bg);border:1px solid var(--good-line);color:var(--good);
}
.checklist--x li::before{content:"✕";background:var(--danger-bg);border-color:var(--danger-line);color:var(--danger)}

.pill-row{display:flex;flex-wrap:wrap;gap:.55rem;margin:1rem 0}
.pill{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.03em;color:var(--ink-2);
  background:var(--surface-2);border:1px solid var(--line-soft);border-radius:999px;padding:.35rem .8rem;
}
.pill b{color:var(--brass-bright);font-weight:700}

.faq{display:grid;gap:.8rem;margin-top:1.6rem}
.faq details{
  background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--line-soft);border-radius:var(--r);overflow:hidden;transition:border-color .2s;
}
.faq details[open]{border-color:var(--line)}
.faq summary{
  cursor:pointer;list-style:none;padding:1.05rem 1.3rem;font-family:var(--font-display);font-weight:700;
  color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:1rem;font-size:1.02rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-mono);color:var(--brass);font-size:1.3rem;transition:transform .25s;flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq__body{padding:0 1.3rem 1.2rem;color:var(--ink-2)}
.faq__body > :last-child{margin-bottom:0}

/* Section heading with eyebrow */
.headline{margin-bottom:1.6rem}
.headline .kicker{margin-bottom:.7rem}
.headline p{max-width:66ch;margin-top:.8rem;margin-bottom:0;color:var(--ink-2)}

/* Two-column explainer */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.4rem,3vw,2.6rem);align-items:start}

/* ----------------------------------------------------------------- *
   18. Gallery nav + footer
   ----------------------------------------------------------------- */
.gallery-nav{border-top:1px solid var(--line-soft);padding-block:2rem;margin-top:2rem}
.gallery-nav__inner{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.gallery-nav__link{
  display:flex;flex-direction:column;gap:.25rem;padding:1rem 1.3rem;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--line-soft);min-width:200px;transition:transform .25s var(--ease),border-color .25s;
}
.gallery-nav__link:hover{transform:translateY(-2px);border-color:var(--brass)}
.gallery-nav__link--next{text-align:right;margin-left:auto}
.gallery-nav__dir{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.gallery-nav__name{font-family:var(--font-display);font-weight:700;color:var(--ink)}

.site-footer{border-top:1px solid var(--line-soft);margin-top:1rem;background:linear-gradient(180deg,transparent,rgba(0,0,0,.25))}
.site-footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2rem;padding-block:2.8rem 1.8rem}
.site-footer__plaque{font-family:var(--font-engrave);font-weight:600;font-size:1.25rem;color:var(--brass-bright);margin-bottom:.5rem}
.site-footer__line{color:var(--muted);font-size:.9rem;margin:0}
.site-footer__head{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brass);margin-bottom:.8rem}
.site-footer__links{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}
.site-footer__links a{color:var(--ink-2);font-size:.9rem}
.site-footer__links a:hover{color:var(--brass-bright)}
.site-footer__base{border-top:1px solid var(--line-soft);padding-block:1.6rem;color:var(--muted);font-size:.82rem}
.site-footer__base p{margin:0 0 .5rem}
.site-footer__legal{color:var(--muted-2)}

/* ----------------------------------------------------------------- *
   19. Mobile nav, responsive, motion, focus
   ----------------------------------------------------------------- */
:where(a,button,summary,[tabindex]):focus-visible{
  outline:2px solid var(--brass-bright);outline-offset:3px;border-radius:4px;
}

@media (max-width:920px){
  .hero__inner{grid-template-columns:1fr}
  .split,.exhibit-grid,.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .grid--4{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:fixed;inset:66px 0 auto 0;background:rgba(11,17,16,.97);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .35s var(--ease);
  }
  .primary-nav.is-open{max-height:60vh}
  .primary-nav ul{flex-direction:column;gap:0;padding:.6rem 1rem 1.1rem}
  .primary-nav a{display:block;padding:.85rem .6rem;border-bottom:1px solid var(--line-soft);border-radius:0}
  .primary-nav a.is-active::after{display:none}
  .grid--4,.grid--3{grid-template-columns:1fr}
  .site-footer__inner{grid-template-columns:1fr;gap:1.6rem}
  .step{grid-template-columns:44px 1fr;gap:.8rem}
  .step__num{width:44px;height:44px;font-size:1.1rem}
  .steps::before{left:21px}
  .gallery-nav__link{min-width:0;flex:1 1 100%}
}
@media (max-width:440px){
  .exhibit__frame{box-shadow:inset 0 0 0 1px rgba(255,247,224,.12),0 0 0 5px #0a100f,0 0 0 7px var(--brass-deep),var(--shadow-2)}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .spotlight{animation:none}
}

/* Print: flatten to readable docs */
@media print{
  .masthead-bar,.gallery-nav,.spotlight,.nav-toggle,.copy-btn,.exhibit__zoom{display:none !important}
  body{background:#fff;color:#111}
  .card,.step__body,.codeblock,.tree,.note{break-inside:avoid}
}