/* Layout: one dark machined chassis; every section is a glass plate set into brushed-metal rails. v8 "metal & glass". */
:root{
  --void:#05080D;          /* deepest background */
  --gun:#0C121B;           /* gunmetal ground */
  --glass:rgba(150,180,215,.07);
  --glass-hi:rgba(220,235,255,.22);   /* specular edge of glass */
  --glass-line:rgba(160,190,225,.18);
  --steel-1:#E9EEF4; --steel-2:#A4B0BE; --steel-3:#5E6A79;  /* brushed metal stops */
  --text:#EEF2F7; --mist:#B9C5D3; --dim:#8695A8;
  --gold:#F2C230; --cyan:#3FC1E8;
  --display:'Saira Semi Condensed','Arial Narrow',system-ui,sans-serif;
  --body:'IBM Plex Sans',system-ui,-apple-system,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --serif:'STIX Two Text','Times New Roman',Georgia,serif;
  --metal:linear-gradient(180deg,var(--steel-1) 0%,var(--steel-2) 46%,var(--steel-3) 52%,var(--steel-2) 70%,var(--steel-1) 100%);
  --brushed:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,rgba(0,0,0,.05) 1px 3px),linear-gradient(180deg,#3A4452,#1B222C 55%,#2A323D);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--void);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.6;
  background-image:radial-gradient(1200px 600px at 85% -10%,rgba(63,193,232,.14),transparent 60%),radial-gradient(900px 500px at -10% 30%,rgba(242,194,48,.07),transparent 60%),linear-gradient(var(--gun),var(--void));
  background-attachment:fixed}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:#11171F}
img{max-width:100%;display:block}
a{color:#8FDDF5} a:hover{color:#fff}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
p{margin:0}
h1,h2,h3{font-family:var(--display);line-height:1.04;margin:0;text-wrap:balance;font-weight:700;letter-spacing:.01em}
h2{font-size:clamp(32px,4.4vw,50px);text-transform:uppercase;background:var(--metal);-webkit-background-clip:text;background-clip:text;color:transparent}
h3{font-size:26px;font-weight:600;color:var(--text)}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));position:relative}
@media (min-width:700px){.wrap{padding-left:max(28px,env(safe-area-inset-left,0px));padding-right:max(28px,env(safe-area-inset-right,0px))}}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:#fff;color:#000;padding:8px 12px;z-index:20}
.kicker{font-family:var(--mono);font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);display:flex;align-items:center;gap:12px}
.kicker::before{content:"";width:34px;height:3px;background:var(--metal);box-shadow:0 0 8px rgba(242,194,48,.35)}

/* machined rail between sections */
.rail{height:10px;background:var(--brushed);border-top:1px solid rgba(255,255,255,.18);border-bottom:1px solid #000;box-shadow:0 6px 18px rgba(0,0,0,.5)}

/* glass plate */
.plate{position:relative;background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02) 40%,rgba(120,160,210,.05));
  border:1px solid var(--glass-line);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 var(--glass-hi),inset 0 -1px 0 rgba(0,0,0,.4),0 20px 50px rgba(0,0,0,.45);
  clip-path:polygon(18px 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%,0 18px)}
.plate::before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.06) 45%,transparent 55%)}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:rgba(10,14,20,.72);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.12)}
header::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;background:var(--brushed)}
.bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;max-width:1200px;margin:0 auto;padding-block:10px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}
.brand svg{width:48px;height:42px;filter:drop-shadow(0 0 6px rgba(63,193,232,.35))}
.brand b{display:block;font-family:var(--display);font-size:22px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:var(--metal);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand small{display:block;font-family:var(--mono);font-size:11px;color:var(--dim);letter-spacing:.12em;text-transform:uppercase}
.hdr-signet{width:44px;height:44px;opacity:.95}
nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:2px}
nav a{display:inline-block;padding:10px 12px;font-family:var(--mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;color:var(--mist);border-bottom:2px solid transparent}
nav a:hover{color:#fff;border-bottom-color:var(--cyan)}
nav a.cta{color:#0B0F15;background:var(--metal);border:1px solid rgba(255,255,255,.5);font-weight:500;margin-left:6px}
nav a.cta:hover{color:#000;box-shadow:0 0 14px rgba(242,194,48,.45)}

/* equations drifting behind glass */
.eqs{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.eq{position:absolute;font-family:var(--serif);font-style:italic;white-space:nowrap;color:var(--cyan);opacity:.28;animation:drift 24s ease-in-out infinite alternate}
.eq.g{color:var(--gold)}
.eq:nth-child(2n){animation-duration:30s;animation-delay:-7s}
@keyframes drift{0%{transform:translate(0,0)}50%{transform:translate(18px,-14px)}100%{transform:translate(-14px,10px)}}
@media (prefers-reduced-motion:reduce){.eq{animation:none}}
.hero .eqs{z-index:1}.hero .wrap{z-index:2}
@media (max-width:900px){.eq{opacity:.16}.block .eqs{display:none}}
@media (max-width:520px){.hero .eq:nth-child(n+5){display:none}}

/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.08);background:linear-gradient(90deg,rgba(8,13,22,.82) 0%,rgba(8,13,22,.55) 45%,rgba(8,13,22,.45) 70%,rgba(8,13,22,.7) 100%),linear-gradient(180deg,rgba(8,13,22,.35),rgba(8,13,22,.1) 40%,rgba(8,13,22,.55)),url(images/bg-schematic.jpg) center/cover no-repeat,#0B1220}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(#2A3B55 1px,transparent 1px),linear-gradient(90deg,#2A3B55 1px,transparent 1px);background-size:64px 64px;opacity:.12;pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(700px 380px at 78% 45%,rgba(63,193,232,.10),transparent 70%)}
.hero .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:48px;padding-block:88px 96px}
.hero-text{flex:1 1 520px;min-width:0;display:flex;flex-direction:column;gap:22px}
.hero h1{font-family:'Space Grotesk',var(--display);font-size:clamp(40px,5.6vw,64px);letter-spacing:-.015em;line-height:1.08;color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.5)}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero p{font-size:20px;color:#D3DBE6}
.hero .kicker::before{background:var(--gold);box-shadow:none;height:2px;width:28px}
.btn.gold{background:var(--gold);color:#070B12;font-weight:500;box-shadow:inset 0 1px 0 rgba(255,255,255,.55),0 8px 22px rgba(242,194,48,.18)} .btn.gold:hover{background:#FFD24D;color:#070B12}
.btn.ghost{color:#fff;background:rgba(63,193,232,.06);box-shadow:inset 0 0 0 2px var(--cyan);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)} .btn.ghost:hover{background:var(--cyan);color:#070B12}
.hero p{font-size:19px;color:var(--mist);max-width:600px}
.btns{display:flex;flex-wrap:wrap;gap:12px;padding-top:6px}
.btn{display:inline-block;padding:13px 22px;font-family:var(--mono);font-size:14px;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px)}
.btn.metal{background:var(--metal);color:#0B0F15;font-weight:500}
.btn.metal:hover{color:#000;filter:brightness(1.08)}
.btn.glass{background:rgba(63,193,232,.12);color:#fff;box-shadow:inset 0 0 0 1px rgba(63,193,232,.6)}
.btn.glass:hover{background:rgba(63,193,232,.28);color:#fff}
.hero-logo{flex:1 1 300px;min-width:0;display:flex;justify-content:center;position:relative}
.hero-logo::before{content:"";position:absolute;width:78%;aspect-ratio:1;max-width:100%;border-radius:50%;background:radial-gradient(circle,rgba(63,193,232,.22),transparent 65%);filter:blur(10px)}
.hero-logo svg{position:relative;width:min(380px,78vw);height:auto;filter:drop-shadow(0 18px 30px rgba(0,0,0,.6))}
.tri polygon{stroke:#05080D;stroke-width:.9;stroke-linejoin:miter}
.tri.big polygon{stroke:#1A1206;stroke-width:.6}
.hero-logo svg.big{filter:drop-shadow(0 18px 30px rgba(0,0,0,.6)) drop-shadow(0 0 22px rgba(242,194,48,.22))}

/* facts */
.facts .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;padding-block:28px}
.fact{padding:20px 22px;display:flex;flex-direction:column;gap:4px}
.fact b{font-family:var(--mono);font-weight:500;font-size:28px;color:var(--gold);font-variant-numeric:tabular-nums}
.fact span{font-size:14.5px;color:var(--mist)}

/* sections */
section.block{padding-block:92px;position:relative;overflow:hidden}
.intro{display:flex;flex-direction:column;gap:14px;max-width:760px;margin-bottom:44px}
.intro p{font-size:18px;color:var(--mist)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr));gap:26px;align-items:start}
.card{display:flex;flex-direction:column}
.card > img.fig{width:100%;height:300px;object-fit:contain;background:radial-gradient(circle at 50% 45%,#F7F8FA,#D9DEE5);border-bottom:1px solid var(--glass-line)}
.card .body{padding:26px;display:flex;flex-direction:column;gap:12px;min-width:0}
.card .body p{color:var(--mist)}
.eqline{font-family:var(--serif);font-style:italic;font-size:19px;color:#fff;background:rgba(63,193,232,.08);border-left:3px solid var(--cyan);padding:9px 14px;overflow-x:auto}
.meta{font-family:var(--mono);font-size:12.5px;color:var(--dim);letter-spacing:.02em}

/* The Path */
.page1{padding:36px clamp(20px,4vw,48px);margin-bottom:56px;display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
.page1 .tag{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.page1 h3{font-family:var(--serif);font-style:italic;font-weight:400;font-size:clamp(26px,3vw,34px);color:#fff}
.page1 .text{font-family:var(--serif);font-size:18.5px;line-height:1.75;color:#E3E9F1;max-width:68ch;display:flex;flex-direction:column;gap:14px}
.page1 .sig{font-family:var(--serif);font-style:italic;font-size:20px;color:var(--gold)}
.page1 .note{font-family:var(--mono);font-size:12.5px;color:var(--dim);border-top:1px solid var(--glass-line);padding-top:14px}
.timeline{list-style:none;margin:0;padding:0;position:relative;display:flex;flex-direction:column;gap:22px}
.timeline::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:4px;background:var(--metal);border-radius:2px;box-shadow:0 0 10px rgba(63,193,232,.25)}
.timeline li{position:relative;padding-left:44px}
.timeline li::before{content:"";position:absolute;left:3px;top:22px;width:20px;height:20px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff,var(--steel-2) 45%,var(--steel-3));box-shadow:0 0 0 3px var(--void),0 0 12px rgba(63,193,232,.5)}
.timeline li.now::before{background:radial-gradient(circle at 35% 30%,#FFF4C9,var(--gold) 45%,#8A6400)}
.entry{padding:20px 24px;display:flex;flex-direction:column;gap:8px}
.entry time{font-family:var(--mono);font-size:13px;letter-spacing:.1em;color:var(--cyan)}
.entry q{font-family:var(--serif);font-style:italic;font-size:19px;line-height:1.5;color:#fff;quotes:"\201C" "\201D"}
.entry .then{color:var(--mist);font-size:15.5px}
.entry .nowline{font-size:15.5px;color:var(--text);border-top:1px dashed var(--glass-line);padding-top:8px}
.entry .nowline b{font-family:var(--mono);font-weight:500;font-size:12px;letter-spacing:.12em;color:var(--gold);margin-right:8px}

/* QHD */
blockquote{margin:0 0 36px;padding:26px 30px;font-family:var(--display);font-size:clamp(21px,2.5vw,28px);line-height:1.3;font-weight:600;color:#fff}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.steps li{padding:20px;display:flex;flex-direction:column;gap:6px}
.steps .n{font-family:var(--mono);color:var(--gold);font-size:13px}
.steps strong{font-size:20px;font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.steps span:last-child{font-size:14.5px;color:var(--mist);line-height:1.5}
.toolkit{margin-top:28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:12px}
.tool{padding:18px 20px;display:flex;flex-direction:column;gap:8px;min-width:0}
.tool .f{font-family:var(--serif);font-style:italic;font-size:20px;color:#fff;overflow-x:auto}
.tool span{font-size:14px;color:var(--mist)}

.define{display:grid;grid-template-columns:minmax(0,1fr);gap:22px;margin-bottom:36px}
.define .lead{padding:30px clamp(20px,3.5vw,40px);display:flex;flex-direction:column;gap:14px}
.define .lead h3{font-family:var(--display);font-size:clamp(24px,2.6vw,30px);text-transform:uppercase;letter-spacing:.03em}
.define .lead p{color:#DCE3EC;font-size:17.5px;max-width:72ch}
.define .lead p strong{color:#fff}
.words{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:12px}
.word{padding:20px 22px;display:flex;flex-direction:column;gap:6px}
.word b{font-family:var(--display);font-size:24px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--gold)}
.word.t b{color:var(--cyan)}
.word span{font-size:15px;color:var(--mist);line-height:1.5}
.subk{font-family:var(--mono);font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin:8px 0 -6px}
.pair{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:12px}
.pair .plate{padding:22px 24px;display:flex;flex-direction:column;gap:8px}
.pair h4{margin:0;font-family:var(--display);font-size:20px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:#fff}
.pair p{color:var(--mist);font-size:15.5px}
details.sci{padding:0;margin-bottom:36px}
details.sci summary{cursor:pointer;list-style:none;padding:18px 24px;font-family:var(--mono);font-size:13.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);display:flex;justify-content:space-between;gap:12px}
details.sci summary::-webkit-details-marker{display:none}
details.sci summary::after{content:"+";font-size:18px;color:var(--gold)}
details.sci[open] summary::after{content:"−"}
details.sci summary:focus-visible{outline:2px solid var(--gold);outline-offset:-4px}
details.sci .in{padding:0 24px 24px;display:flex;flex-direction:column;gap:12px;color:#D3DBE6;font-size:15.5px;max-width:80ch}
details.sci .in em{font-family:var(--serif);font-size:17px;color:#fff}
details.sci .in .meta{margin-top:4px}

/* people */
.person{padding:30px;display:flex;flex-direction:column;gap:10px}
.avatar{width:120px;height:120px;border-radius:50%;object-fit:cover;padding:4px;background:var(--metal);box-shadow:0 0 0 1px rgba(0,0,0,.6),0 10px 24px rgba(0,0,0,.5)}
.avatar.initials{display:grid;place-items:center;font-family:var(--display);font-size:40px;font-weight:700;color:#1A222C}
.role{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--gold);text-transform:uppercase;letter-spacing:.08em}
.person p{color:var(--mist)}
.links{display:flex;flex-wrap:wrap;gap:16px;padding-top:4px;font-family:var(--mono);font-size:13px;letter-spacing:.06em}

/* contact */
.contact .wrap{display:flex;flex-wrap:wrap;gap:40px;padding-block:84px}
.contact .intro{flex:1 1 360px;margin:0}
.boxes{flex:1 1 380px;min-width:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:16px}
.box{padding:22px;display:flex;flex-direction:column;gap:6px;min-width:0}
.box span{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.box a{font-weight:600;font-size:15px;overflow-wrap:anywhere;user-select:all}

footer{border-top:1px solid rgba(255,255,255,.1);background:rgba(5,8,13,.8);color:var(--dim);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-block:26px}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-brand img{width:36px;height:36px}

@media (max-width:760px){
  .brand svg{width:38px;height:33px}.brand b{font-size:18px}.brand small{font-size:9.5px}.hdr-signet{width:36px;height:36px}
  nav a{padding:8px 8px;font-size:12px}
  .hero .wrap{padding-block:56px 64px;gap:36px}
  section.block{padding-block:64px}
  .card > img.fig{height:230px}
  .timeline li{padding-left:36px}
}

/* ---- book layout (v9) ---- */
nav a[aria-current="page"]{color:#fff;border-bottom-color:var(--gold)}
nav a.cta[aria-current="page"]{box-shadow:0 0 14px rgba(242,194,48,.45);border-bottom-color:rgba(255,255,255,.5)}
.chap{position:relative;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.08);
  background:linear-gradient(90deg,rgba(8,13,22,.85),rgba(8,13,22,.55) 60%,rgba(8,13,22,.75)),url(images/bg-schematic.jpg) center/cover no-repeat,#0B1220}
.chap .wrap{padding-block:44px 40px;display:flex;flex-direction:column;gap:8px}
.chap .num{font-family:var(--mono);font-size:13px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold)}
.chap .ttl{font-family:var(--serif);font-style:italic;font-size:clamp(30px,4vw,44px);color:#fff;line-height:1.1}
.turn{border-top:1px solid rgba(255,255,255,.08)}
.turn .wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;padding-block:34px 40px}
.turn a{display:flex;flex-direction:column;gap:4px;padding:16px 20px;text-decoration:none;color:var(--text);min-width:0}
.turn a small{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.turn a b{font-family:var(--display);font-size:20px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.turn a:hover b{color:var(--gold)}
.turn .next{text-align:right;grid-column:3}
.turn .prev{grid-column:1}
.turn .pg{grid-column:2;font-family:var(--serif);font-style:italic;font-size:17px;color:var(--mist);white-space:nowrap}
@media (max-width:620px){.turn .wrap{grid-template-columns:1fr 1fr}.turn .pg{grid-column:1/-1;grid-row:1;text-align:center}.turn .next{grid-column:2}}
.toc .wrap{padding-block:72px}
.toc ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:14px}
.toc li a{display:flex;flex-direction:column;gap:6px;padding:22px 24px;height:100%;text-decoration:none;color:var(--text)}
.toc li a small{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.toc li a b{font-family:var(--display);font-size:24px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.toc li a span{font-size:15px;color:var(--mist)}
.toc li a:hover b{color:var(--cyan)}
/* schematic page background on chapter pages (v9, Sonny 18:36) */
body.bg{background-color:var(--void);background-image:linear-gradient(180deg,rgba(5,8,13,.78),rgba(5,8,13,.86) 60%,rgba(5,8,13,.9)),url(images/bg-schematic.jpg);background-size:cover,cover;background-position:center,center;background-repeat:no-repeat;background-attachment:fixed,fixed}
@media (max-width:760px){body.bg{background-attachment:scroll,scroll;background-size:cover,auto 100vh;background-position:center top,40% top}}
.word .eqj{font-family:var(--serif);font-style:italic;font-size:18px;color:#fff;background:rgba(63,193,232,.08);border-left:3px solid var(--cyan);padding:7px 12px;margin-top:8px;overflow-x:auto;white-space:nowrap}
.word .src{font-family:var(--mono);font-size:12px;letter-spacing:.02em;color:var(--dim);line-height:1.5}
.words.why,.words.now{margin-bottom:34px}
.words.now{margin-top:34px;margin-bottom:0}
.words.why .word b,.words.now .word b{font-size:21px}
.words.now .word b{color:var(--cyan)}
.why + .cards{margin-top:0}
.cards.pair{grid-template-columns:repeat(2,minmax(0,1fr));max-width:900px;margin-left:auto;margin-right:auto}
.cards.pair + .cards.pair{margin-top:26px}
.cards.pair.solo{grid-template-columns:minmax(0,437px);justify-content:center}
@media (max-width:720px){.cards.pair{grid-template-columns:1fr}}

/* v10 interludes: What We Know So Far */
.interlude .wrap{max-width:900px}
.inshort{margin:28px 0 0;padding:18px 24px;font-family:var(--serif);font-style:italic;font-size:19px;color:#fff}
.inshort b{display:block;font-family:var(--mono);font-style:normal;font-weight:500;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:6px}
.toc li.inter a{border-style:dashed}
.toc li.inter small{color:var(--cyan)}

/* v10 metal */
.tri{filter:drop-shadow(0 0 6px rgba(242,194,48,.35)) drop-shadow(0 1px 1px rgba(0,0,0,.6))}
.tri.big{filter:drop-shadow(0 0 22px rgba(242,194,48,.35)) drop-shadow(0 0 40px rgba(63,193,232,.18)) drop-shadow(0 6px 10px rgba(0,0,0,.6))}

/* v11 frontiers */
#frontiers .card .body{display:flex;flex-direction:column;gap:12px}
.status{align-self:flex-start;font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);border:1px solid rgba(242,194,48,.45);padding:4px 10px;border-radius:2px}

/* v15: lattice schematic behind every page */
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:url(images/bg-lattice.jpg) center/cover no-repeat;opacity:.2}
/* v16: visual effects (fx.js) */
.hero canvas.fx-crystal{position:absolute;inset:0;width:100%;height:100%;z-index:0;display:block}
.fx-banner{position:relative;margin:0 0 40px;overflow:hidden;border:1px solid var(--glass-line);box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 0 1px rgba(242,194,48,.12)}
.fx-banner canvas{display:block;width:100%;height:clamp(260px,38vw,440px)}
.fx-banner figcaption{position:absolute;left:18px;right:18px;bottom:14px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--mist);text-shadow:0 1px 6px #000}
section.block > canvas.fx-voids{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
section.block > canvas.fx-voids ~ .wrap{position:relative;z-index:1}
.fx-chart{display:block;width:100%;max-width:760px;height:auto;margin:10px auto 6px}
.fx-chart .ln{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 2.8s cubic-bezier(.3,.6,.2,1)}
.fx-chart .band{opacity:0;transition:opacity 1.4s ease 1.6s}
.fx-chart.drawn .ln{stroke-dashoffset:0}
.fx-chart.drawn .band{opacity:1}
html.fx .rv{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
html.fx .rv.in{opacity:1;transform:none}
.kicker::before{animation:tbShimmer 4s ease-in-out infinite}
@keyframes tbShimmer{0%,100%{box-shadow:0 0 8px rgba(242,194,48,.35)}50%{box-shadow:0 0 20px rgba(242,194,48,.9)}}
.plate{transition:box-shadow .45s ease}
.plate:hover{box-shadow:0 0 0 1px rgba(242,194,48,.38),0 0 28px rgba(242,194,48,.12),0 18px 44px rgba(0,0,0,.45)}
@media (prefers-reduced-motion:reduce){.kicker::before{animation:none}.fx-chart .ln{stroke-dashoffset:0;transition:none}.fx-chart .band{opacity:1;transition:none}}