/* Chyawanprash Decoded · site styles
   Layout concept: a reading room. Day ground, navy only for "cover" moments,
   chapters sit as stations on the continuum ribbon. */
:root{
  --navy:#0C1322; --navy-2:#162033; --navy-3:#1F2937;
  --gold:#C9A227; --gold-bright:#D7B335; --gold-deep:#A8871D;
  --green-deep:#0F4419; --green:#5CBF6B; --green-ink:#1E5B27;
  --sage:#E9F1E8; --paper:#FFFFFF; --mist:#F5F6F7;
  --ink:#1F2937; --body:#4B5563; --muted:#6B7280; --rule:#E5E7EB;
  --f-head:'Poppins',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-body:'Roboto',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-label:'Roboto Condensed','Roboto',system-ui,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  --f-deva:'Noto Serif Devanagari','Noto Serif',serif;
  --gutter-l:max(16px, env(safe-area-inset-left,0px));
  --gutter-r:max(16px, env(safe-area-inset-right,0px));
  --wrap:1180px;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.6 var(--f-body);overflow-x:hidden}
img,video{max-width:100%;display:block}
h1,h2,h3,p,figure,ul,ol{margin:0}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--gutter-l);padding-right:var(--gutter-r)}
.eyebrow{font:600 11px/1.3 var(--f-head);letter-spacing:.22em;text-transform:uppercase;color:var(--gold-deep)}
.eyebrow.green{color:var(--green-ink)}
.rule-gold{width:64px;height:3px;background:var(--gold);border:0;margin:0}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--paper)}

/* ---------- Header ---------- */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--rule)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;max-width:none}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.brand img{height:38px;width:auto}
.brand-sep{width:1px;height:28px;background:var(--rule)}
.brand-name{font:600 15px/1.1 var(--f-head);letter-spacing:-.02em}
.brand-name span{display:block;font:500 10px/1.2 var(--f-head);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-deep);margin-top:3px}
.head-tag{font:600 10px/1.4 var(--f-head);letter-spacing:.22em;text-transform:uppercase;color:var(--gold-deep);border-left:1px solid var(--gold);padding-left:12px;text-align:left}
@media (max-width:640px){.head-tag,.brand-sep,.brand-name{display:none}.brand img{height:34px}}

/* ---------- Hero: full film, continuum ribbon rises at the end ---------- */
.hero{position:relative;height:clamp(560px,calc(100svh - 64px),920px);background:var(--navy);overflow:hidden;color:#fff;isolation:isolate}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform 1.6s cubic-bezier(.2,.8,.2,1),filter 1.6s}
.hero.revealed video{filter:saturate(.9) brightness(.8)}
.hero-shade{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(12,19,34,0) 30%,rgba(12,19,34,.78) 62%,rgba(12,19,34,.96) 100%);opacity:0;transition:opacity 1.2s ease}
.hero.revealed .hero-shade{opacity:1}
.hero-ctrl{position:absolute;z-index:4;right:calc(16px + env(safe-area-inset-right,0px));top:16px;display:flex;gap:8px}
.chip-btn{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;border:1px solid rgba(255,255,255,.3);background:rgba(12,19,34,.5);color:#fff;font:500 11px/1 var(--f-head);letter-spacing:.14em;text-transform:uppercase;cursor:pointer;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.chip-btn:hover{border-color:var(--gold);color:var(--gold-bright)}
.chip-btn svg{width:12px;height:12px;fill:currentColor}
.hero-skip{position:absolute;z-index:4;left:50%;bottom:24px;transform:translateX(-50%);transition:opacity .5s}
.hero.revealed .hero-skip{opacity:0;pointer-events:none}

.nav-zone{position:absolute;z-index:3;left:0;right:0;bottom:0;height:min(58%,500px);padding-left:var(--gutter-l);padding-right:var(--gutter-r);display:flex;flex-direction:column;pointer-events:none}
.hero.revealed .nav-zone{pointer-events:auto}
.nav-head{max-width:var(--wrap);width:100%;margin:0 auto;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;opacity:0;transform:translateY(16px);transition:opacity .8s .9s,transform .8s .9s}
.hero.revealed .nav-head{opacity:1;transform:none}
.nav-head .eyebrow{color:var(--gold-bright)}
.sel-title{margin-top:8px;font:600 clamp(22px,2.4vw,34px)/1.1 var(--f-head);letter-spacing:-.03em;max-width:24ch;text-wrap:balance}
.sel-meta{margin-top:6px;font:400 12px/1.4 var(--f-mono);letter-spacing:.06em;color:rgba(255,255,255,.62)}
.nav-head .btn{background:var(--gold);color:var(--navy)}
.nav-head .btn:hover{background:var(--gold-bright)}
.nav-head .btn[aria-disabled="true"]{background:transparent;color:rgba(255,255,255,.62);border:1px dashed rgba(255,255,255,.3)}
.ribbon{position:relative;flex:1;min-height:0;max-width:1400px;width:100%;margin:0 auto}
.ribbon svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.ribbon .glow{fill:none;stroke:var(--gold);stroke-width:16;opacity:.14;stroke-linecap:round}
.ribbon .core{fill:none;stroke:url(#ribGrad);stroke-width:2.5;stroke-linecap:round}
.ribbon .draw{stroke-dasharray:var(--len);stroke-dashoffset:var(--len);transition:stroke-dashoffset 2.2s cubic-bezier(.6,.05,.3,1) .2s}
.hero.revealed .ribbon .draw{stroke-dashoffset:0}
.ribbon .mote{fill:#fff;opacity:0}
.hero.revealed .ribbon .mote{opacity:.7;transition:opacity 1s 2.4s}
.station{position:absolute;transform:translate(-50%,-50%) scale(.6);opacity:0;display:flex;flex-direction:column;align-items:center;gap:10px;background:none;border:0;padding:0;cursor:pointer;color:#fff;text-decoration:none;transition:opacity .5s,transform .5s cubic-bezier(.2,1.4,.4,1)}
.hero.revealed .station{opacity:1;transform:translate(-50%,-50%) scale(1)}
.station .dot{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--navy);border:2px solid var(--gold);font:500 13px/1 var(--f-mono);color:var(--gold-bright);transition:background .25s,color .25s,box-shadow .25s,transform .25s;flex:none}
.station.ready .dot{border-color:var(--green)}
.station .lab{position:absolute;left:50%;transform:translateX(-50%);width:max-content;max-width:150px;text-align:center;font:500 13px/1.25 var(--f-head);color:rgba(255,255,255,.86);text-wrap:balance}
.station.up .lab{bottom:calc(100% + 10px)}
.station.down .lab{top:calc(100% + 10px)}
.station:hover .dot,.station:focus-visible .dot,.station[aria-current="true"] .dot{background:var(--gold);color:var(--navy);box-shadow:0 0 0 6px rgba(201,162,39,.22),0 0 28px rgba(215,179,53,.55);transform:scale(1.08)}
.station.ready[aria-current="true"] .dot{background:var(--green);border-color:var(--green);box-shadow:0 0 0 6px rgba(92,191,107,.22),0 0 28px rgba(92,191,107,.5)}
.station[aria-current="true"] .lab{color:#fff}
.rib-end{position:absolute;font:600 10px/1 var(--f-head);letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.5);opacity:0;transition:opacity .8s 2.2s}
.hero.revealed .rib-end{opacity:1}

@media (max-width:860px){
  .hero{height:auto;overflow:visible}
  .hero .film-box{position:relative;aspect-ratio:16/9;overflow:hidden}
  .hero video{position:absolute}
  .hero.revealed video{transform:none;filter:none}
  .hero-shade{display:none}
  .nav-zone{position:relative;height:auto;background:var(--navy);padding-block:28px 32px;pointer-events:auto}
  .nav-zone::before{content:"";position:absolute;left:0;right:0;bottom:100%;height:60px;background:linear-gradient(rgba(12,19,34,0),var(--navy))}
  .nav-head{order:2;position:sticky;bottom:12px;z-index:5;margin-top:18px;background:rgba(22,32,51,.96);border-left:3px solid var(--gold);padding:14px 14px 14px 16px;flex-direction:column;align-items:stretch;gap:12px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
  .nav-head .btn{justify-content:center}
  .sel-title{font-size:20px}
  .ribbon{order:1;height:calc(9 * 78px);flex:none}
  .station .lab{max-width:42vw}
  .station.left .lab{left:auto;right:calc(100% + 12px);transform:translateY(-50%);top:50%;text-align:right;bottom:auto}
  .station.right .lab{left:calc(100% + 12px);transform:translateY(-50%);top:50%;text-align:left;bottom:auto}
}
@media (min-width:861px){ .hero .film-box{position:absolute;inset:0} }
/* mobile hero: taller film, deck appears after the film */
.deck{display:none}
@media (max-width:860px){
  .hero .film-box{aspect-ratio:4/5;max-height:calc(100svh - 64px);width:100%}
  .hero video{object-fit:cover;object-position:56% 50%}
  .hero-skip{display:block;bottom:16px}
  .hero:not(.revealed) .nav-zone{display:none}
  .nav-zone{padding-block:22px 30px;padding-left:0;padding-right:0}
  .nav-zone::before{display:none}
  .nav-zone .ribbon,.nav-zone .nav-head{display:none}
  .deck{display:block;animation:deckIn .7s cubic-bezier(.2,.8,.2,1) both}
  .deck-head{display:flex;align-items:baseline;justify-content:space-between;padding:0 calc(16px + env(safe-area-inset-right,0px)) 0 calc(16px + env(safe-area-inset-left,0px))}
  .deck-head .eyebrow{color:var(--gold-bright)}
  .deck-hint{font:500 11px/1 var(--f-mono);color:rgba(255,255,255,.5);letter-spacing:.08em}
  .deck-hint::after{content:" →"}
  .deck-rail{position:relative;display:flex;justify-content:space-between;align-items:center;margin:16px 16px 4px;height:14px}
  .deck-rail::before,.deck-rail i{content:"";position:absolute;left:0;top:50%;height:2px;transform:translateY(-50%);border-radius:2px}
  .deck-rail::before{right:0;background:rgba(255,255,255,.14)}
  .deck-rail i{width:0;background:linear-gradient(90deg,var(--gold),var(--green));transition:width .35s ease}
  .deck-rail b{position:relative;z-index:1;width:10px;height:10px;border-radius:50%;background:var(--navy);border:1.5px solid rgba(201,162,39,.6);transition:all .3s}
  .deck-rail b.on{background:var(--gold);border-color:var(--gold)}
  .deck-rail b.cur{background:var(--green);border-color:var(--green);box-shadow:0 0 0 5px rgba(92,191,107,.22)}
  .deck-track{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:14px 16px 6px;scroll-padding-inline:16px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .deck-track::-webkit-scrollbar{display:none}
  .deck-card{flex:0 0 74%;min-width:0;max-width:300px;white-space:normal;scroll-snap-align:start;display:flex;flex-direction:column;min-height:196px;padding:18px 18px 16px;background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid rgba(201,162,39,.35);border-top:3px solid var(--gold);color:#fff;text-decoration:none;opacity:0;transform:translateX(24px);animation:cardIn .6s cubic-bezier(.2,.8,.2,1) var(--d) forwards}
  .deck-card .dn{font:300 44px/1 var(--f-head);color:var(--gold);letter-spacing:-.04em}
  .deck-card .ds{margin-top:12px;font:600 10px/1.3 var(--f-head);letter-spacing:.2em;text-transform:uppercase;color:var(--green)}
  .deck-card .dtt{margin-top:6px;font:600 19px/1.22 var(--f-head);letter-spacing:-.02em}
  .deck-card .dgo{margin-top:auto;padding-top:16px;font:600 11px/1 var(--f-head);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-bright)}
  .deck-card:active{background:rgba(255,255,255,.12)}
}
@keyframes deckIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes cardIn{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.deck,.deck-card{animation:none;opacity:1;transform:none}}

/* ---------- Chapter rail (inside chapters) ---------- */
.rail{background:var(--navy);color:#fff}
.rail .wrap{display:flex;align-items:center;gap:14px;height:46px;overflow-x:auto;scrollbar-width:none}
.rail .wrap::-webkit-scrollbar{display:none}
.rail a.home{font:600 10px/1 var(--f-head);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-bright);text-decoration:none;white-space:nowrap;flex:none}
.rail ol{list-style:none;margin:0;padding:0;display:flex;align-items:center;flex:1;min-width:max-content;position:relative}
.rail ol::before{content:"";position:absolute;left:10px;right:10px;top:50%;height:1px;background:linear-gradient(90deg,var(--gold),var(--green))}
.rail li{flex:1;display:flex;justify-content:center;position:relative;min-width:44px}
.rail li a,.rail li span{position:relative;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--navy);border:1px solid rgba(201,162,39,.7);font:500 10px/1 var(--f-mono);color:var(--gold-bright);text-decoration:none}
.rail li [aria-current="page"]{background:var(--gold);color:var(--navy);border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,162,39,.25)}
.rail li a:hover{background:var(--gold);color:var(--navy)}
.rail li [data-tip]:hover::after{content:attr(data-tip);position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);white-space:nowrap;background:#fff;color:var(--navy);font:500 11px/1 var(--f-head);padding:6px 8px;box-shadow:0 6px 16px rgba(0,0,0,.18);z-index:5}
/* ---------- Shloka ---------- */
.shloka{background:var(--navy);color:#fff;text-align:center;padding-block:clamp(72px,10vw,128px)}
.orn{display:flex;align-items:center;justify-content:center;gap:12px;color:var(--gold-bright);font:600 10px/1 var(--f-head);letter-spacing:.3em;text-transform:uppercase}
.orn::before,.orn::after{content:"";width:48px;height:1px;background:var(--gold)}
.orn b{width:7px;height:7px;background:var(--gold);transform:rotate(45deg);display:inline-block}
.verse{margin:clamp(28px,4vw,44px) auto 0;font:600 clamp(26px,4.4vw,52px)/1.55 var(--f-deva);color:var(--gold-bright);max-width:22ch}
.verse .line{display:block}
.verse .w{display:inline-block;opacity:.32;transition:opacity .9s ease,transform .9s ease;transform:translateY(6px)}
.verse.lit .w{opacity:1;transform:none}
.verse-rule{width:64px;height:2px;background:var(--gold);margin:28px auto 0;border:0}
.verse-tabs{display:inline-flex;margin-top:30px;border:1px solid rgba(255,255,255,.18)}
.verse-tabs button{background:transparent;border:0;padding:10px 18px;font:600 10px/1 var(--f-head);letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.62);cursor:pointer}
.verse-tabs button[aria-selected="true"]{background:var(--gold);color:var(--navy)}
.verse-panel{max-width:640px;margin:22px auto 0;font:300 clamp(17px,1.6vw,20px)/1.6 var(--f-head);color:rgba(255,255,255,.88);min-height:4.8em}
.verse-panel.translit{font:italic 400 clamp(16px,1.5vw,19px)/1.7 var(--f-head);color:rgba(255,255,255,.78)}
.verse-src{margin-top:18px;font:500 10px/1.4 var(--f-mono);letter-spacing:.18em;color:rgba(255,255,255,.48)}
.prelude{max-width:760px;margin:clamp(48px,7vw,80px) auto 0;padding-top:clamp(36px,5vw,52px);border-top:1px solid rgba(255,255,255,.12);text-align:left;display:grid;gap:18px}
.prelude p{font:300 clamp(17px,1.5vw,20px)/1.65 var(--f-body);color:rgba(255,255,255,.82)}
.prelude p:first-child::first-line{color:#fff}

/* ---------- Introduction ---------- */
.intro{padding-block:clamp(72px,9vw,120px)}
.sec-head{display:grid;gap:14px;max-width:820px}
.sec-head h2{font:600 clamp(30px,3.6vw,48px)/1.08 var(--f-head);letter-spacing:-.035em;color:var(--navy);text-wrap:balance}
.lead-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(28px,5vw,72px);margin-top:clamp(36px,5vw,56px);align-items:start}
.lead-grid .lede{font:300 clamp(19px,1.8vw,23px)/1.5 var(--f-body);color:var(--ink)}
.prose{display:grid;gap:16px;color:var(--body);font-size:16.5px;line-height:1.7;max-width:66ch}
.prose strong{color:var(--ink);font-weight:500}
@media (max-width:820px){.lead-grid{grid-template-columns:1fr}}

.block{margin-top:clamp(72px,9vw,112px)}
.block-head{display:flex;align-items:baseline;gap:16px;border-bottom:2px solid var(--gold);padding-bottom:10px;margin-bottom:clamp(24px,3vw,36px)}
.block-head h3{font:600 clamp(22px,2.2vw,28px)/1.15 var(--f-head);letter-spacing:-.025em;color:var(--navy)}
.block-head .eyebrow{margin-left:auto;white-space:nowrap}
@media (max-width:640px){.block-head{flex-direction:column;gap:6px}.block-head .eyebrow{margin-left:0}}

/* continuum */
.continuum{position:relative;padding:8px 0 4px}
.continuum ol{list-style:none;padding:0;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px;position:relative}
.continuum .track{position:absolute;left:calc(100%/14);right:calc(100%/14);top:21px;height:2px;background:var(--rule)}
.continuum .track i{position:absolute;inset:0;background:var(--gold);transform-origin:0 50%;transform:scaleX(var(--p,0));transition:transform .2s linear}
.continuum li{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px}
.continuum .dot{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid var(--rule);font:500 12px/1 var(--f-mono);color:var(--muted);transition:background .4s,border-color .4s,color .4s;position:relative;z-index:1}
.continuum li.on .dot{border-color:var(--gold);background:var(--gold);color:var(--navy)}
.continuum li.end.on .dot{border-color:var(--green);background:var(--green-deep);color:#fff}
.continuum .lab{font:500 14px/1.3 var(--f-head);color:var(--ink);letter-spacing:-.01em;text-wrap:balance}
.continuum li.end .lab{color:var(--green-ink);font-weight:600}
.continuum-note{margin-top:28px;font:300 17px/1.6 var(--f-body);color:var(--body);max-width:66ch}
@media (max-width:820px){
  .continuum ol{grid-template-columns:1fr;gap:0}
  .continuum .track{left:21px;right:auto;width:2px;height:auto;top:22px;bottom:22px}
  .continuum .track i{transform-origin:50% 0;transform:scaleY(var(--p,0))}
  .continuum li{flex-direction:row;text-align:left;gap:18px;padding:8px 0}
  .continuum .lab{font-size:16px}
}

/* framework */
.frame{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
.chain{background:var(--sage);padding:clamp(22px,3vw,32px);font:700 clamp(18px,1.7vw,22px)/1.45 var(--f-head);letter-spacing:-.01em;color:var(--green-deep);text-wrap:balance}
.chain small{display:block;font:600 10px/1.3 var(--f-head);letter-spacing:.22em;text-transform:uppercase;color:var(--green-ink);margin-bottom:12px}
@media (max-width:820px){.frame{grid-template-columns:1fr}}

/* 3X immunity */
.triad{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:center}
.venn{position:relative;width:100%;max-width:440px;aspect-ratio:1/0.92;margin:0 auto}
.venn button{position:absolute;width:58%;height:63.04%;box-sizing:border-box;overflow:hidden;border-radius:50%;border:2px solid var(--gold);background:rgba(201,162,39,.08);cursor:pointer;display:grid;place-items:center;padding:16%;text-align:center;font:600 clamp(13px,1.2vw,15px)/1.25 var(--f-head);color:var(--navy);transition:background .3s,border-color .3s,color .3s,transform .3s;mix-blend-mode:multiply}
.venn button span{display:block;font:500 11px/1 var(--f-mono);color:var(--gold-deep);margin-bottom:6px}
.venn button:nth-child(1){left:21%;top:0}
.venn button:nth-child(2){left:0;top:38%}
.venn button:nth-child(3){left:42%;top:38%}
.venn button:nth-child(1){padding-bottom:30%}
.venn button:nth-child(2){padding-right:26%;padding-top:24%}
.venn button:nth-child(3){padding-left:26%;padding-top:24%}
.venn button[aria-pressed="true"]{background:rgba(92,191,107,.22);border-color:var(--green-deep);z-index:2}
.venn .core{position:absolute;left:50%;top:56%;transform:translate(-50%,-50%);font:700 22px/1 var(--f-head);color:var(--green-deep);pointer-events:none;z-index:3;letter-spacing:-.02em}
.triad-detail{min-height:180px}
.triad-detail .k{font:500 12px/1 var(--f-mono);letter-spacing:.1em;color:var(--gold-deep)}
.triad-detail h4{margin:10px 0 0;font:600 clamp(22px,2.2vw,28px)/1.15 var(--f-head);letter-spacing:-.025em;color:var(--navy)}
.triad-detail p{margin-top:14px;font-size:17px;line-height:1.65;color:var(--body);max-width:52ch}
.triad-foot{margin-top:28px;padding-top:18px;border-top:1px solid var(--rule);font-size:15.5px;line-height:1.65;color:var(--body)}
@media (max-width:820px){.triad{grid-template-columns:1fr}.venn{max-width:340px}}

/* domains */
.domains{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.domains li{background:#fff;padding:18px 18px 18px 20px;font:500 15px/1.35 var(--f-head);color:var(--ink);display:flex;gap:12px;align-items:flex-start}
.domains li::before{content:"";flex:none;width:8px;height:8px;margin-top:7px;background:var(--green)}

/* mechanism to benefit */
.m2b{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:start}
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.stat{background:var(--mist);padding:20px 20px 18px}
.stat .v{font:600 clamp(32px,3.4vw,44px)/1.1 var(--f-head);letter-spacing:-.03em;color:var(--green-deep)}
.stat .v small{font-size:.5em;font-weight:500;color:var(--green-ink);margin-left:2px}
.stat .d{margin-top:8px;font-size:14px;line-height:1.45;color:var(--body)}
.stat .tag{display:inline-block;margin-top:10px;font:700 10px/1 var(--f-label);letter-spacing:.12em;text-transform:uppercase;color:var(--gold-deep)}
.bars{grid-column:1 / -1;background:var(--mist);padding:20px}
.bars .cap{font:600 10px/1.3 var(--f-head);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.bar-row{display:grid;grid-template-columns:120px minmax(0,1fr);gap:12px;align-items:center;margin-top:14px}
.bar-row .bl{font:500 13px/1.3 var(--f-head);color:var(--ink)}
.bar{height:28px;background:#fff;position:relative}
.bar i{position:absolute;inset:0 auto 0 0;width:var(--v);background:var(--c);transition:width 1.2s cubic-bezier(.2,.8,.2,1)}
.bar b{position:absolute;left:calc(var(--v) + 8px);top:50%;transform:translateY(-50%);font:600 13px/1 var(--f-mono);color:var(--ink)}
.note{margin-top:12px;font-size:12.5px;line-height:1.5;color:var(--muted)}
@media (max-width:820px){.m2b{grid-template-columns:1fr}}
@media (max-width:420px){.stats{grid-template-columns:1fr}.bar-row{grid-template-columns:92px minmax(0,1fr)}}

/* clinical */
.clinical{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.study{border-top:3px solid var(--green);background:#fff;box-shadow:0 0 0 1px var(--rule) inset;padding:20px;display:flex;flex-direction:column;gap:10px}
.study .k{font:500 11px/1 var(--f-mono);color:var(--gold-deep);letter-spacing:.1em}
.study h4{margin:0;font:600 17px/1.25 var(--f-head);letter-spacing:-.015em;color:var(--navy)}
.study p{font-size:14.5px;line-height:1.55;color:var(--body)}
.clin-foot{margin-top:24px;background:var(--green-deep);color:#fff;padding:20px 24px;font:500 17px/1.5 var(--f-head);border-left:3px solid var(--green)}
@media (max-width:1000px){.clinical{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){
  .clinical{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 calc(-1 * var(--gutter-r)) 0 calc(-1 * var(--gutter-l));padding:2px var(--gutter-r) 12px var(--gutter-l);scrollbar-width:none}
  .clinical::-webkit-scrollbar{display:none}
  .study{flex:0 0 82%;scroll-snap-align:start}
}
.swipe-hint{display:none;margin-top:6px;font:600 10px/1 var(--f-head);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
@media (max-width:620px){.swipe-hint{display:block}}

/* safety */
.safety{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.safety > div{background:#fff;padding:22px}
.safety .v{font:600 clamp(26px,2.6vw,34px)/1.1 var(--f-head);letter-spacing:-.02em;color:var(--navy)}
.safety .v small{font:500 13px/1 var(--f-mono);color:var(--muted);margin-left:4px;letter-spacing:0}
.safety .d{margin-top:8px;font-size:14.5px;line-height:1.5;color:var(--body)}
.safety-text{margin-top:22px}
@media (max-width:760px){.safety{grid-template-columns:1fr}}

/* conclusion */
.conclude{margin-top:clamp(80px,10vw,128px);background:var(--sage)}
.conclude .wrap{padding-block:clamp(56px,8vw,96px)}
.quote{font:500 clamp(22px,2.6vw,34px)/1.35 var(--f-head);letter-spacing:-.02em;color:var(--green-deep);max-width:46ch;text-wrap:balance}
.quote::before{content:"";display:block;width:64px;height:3px;background:var(--gold);margin-bottom:24px}
.conclude-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);margin-top:clamp(36px,5vw,52px)}
.conclude details{margin-top:4px}
.conclude summary{cursor:pointer;font:600 11px/1 var(--f-head);letter-spacing:.18em;text-transform:uppercase;color:var(--green-ink);list-style:none;display:inline-flex;align-items:center;gap:8px;padding:10px 0}
.conclude summary::-webkit-details-marker{display:none}
.conclude summary::after{content:"+";font:500 16px/1 var(--f-mono)}
.conclude details[open] summary::after{content:"\2212"}
.conclude details .prose{margin-top:10px}
@media (max-width:820px){.conclude-grid{grid-template-columns:1fr}}

/* next */
.next{background:var(--navy);color:#fff}
.next .wrap{padding-block:clamp(56px,8vw,88px);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:end}
.next .eyebrow{color:var(--gold-bright)}
.next h2{margin-top:12px;font:600 clamp(28px,3.4vw,44px)/1.08 var(--f-head);letter-spacing:-.035em;max-width:20ch}
.next p{margin-top:12px;color:rgba(255,255,255,.72);max-width:56ch}
.btn.gold{background:var(--gold);color:var(--navy)}
.btn.gold:hover{background:var(--gold-bright)}
@media (max-width:700px){.next .wrap{grid-template-columns:1fr}}

.foot{background:#fff;border-top:1px solid var(--rule)}
.foot .wrap{padding-block:28px;display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.foot img{height:40px;width:auto}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .verse .w{opacity:1;transform:none}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;background:var(--navy);color:#fff;border:0;font:600 11px/1 var(--f-head);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--green-deep)}
.btn[aria-disabled="true"]{background:transparent;color:var(--muted);border:1px dashed #C9CDD3;cursor:default}

/* =================== CHAPTER PAGES =================== */
.ch-cover{background:var(--navy);color:#fff}
.ch-cover .wrap{padding-block:clamp(56px,8vw,104px) clamp(48px,6vw,80px);display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(32px,5vw,80px);align-items:end}
.ch-cover .eyebrow{color:var(--green)}
.ch-cover h1{margin-top:16px;font:600 clamp(38px,5.4vw,72px)/1.02 var(--f-head);letter-spacing:-.04em;text-wrap:balance}
.ch-cover .rule-gold{margin-top:22px}
.ch-cover .stand{margin-top:22px;font:300 clamp(17px,1.5vw,19px)/1.6 var(--f-body);color:rgba(255,255,255,.76);max-width:52ch}
.ch-parts{list-style:none;padding:0;margin:0;border-top:1px solid rgba(255,255,255,.14)}
.ch-parts .cap{font:600 10px/1 var(--f-head);letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:14px}
.ch-parts a{display:grid;grid-template-columns:44px minmax(0,1fr) 12px;align-items:center;gap:12px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.14);text-decoration:none;color:#fff;font:500 16px/1.35 var(--f-head);transition:color .2s,padding .2s}
.ch-parts a span{font:500 12px/1 var(--f-mono);color:var(--gold-bright)}
.ch-parts a i{width:8px;height:8px;border-radius:50%;background:var(--green)}
.ch-parts a:hover{color:var(--gold-bright);padding-left:6px}
@media (max-width:860px){.ch-cover .wrap{grid-template-columns:1fr}}

.partnav{position:sticky;top:calc(64px + env(safe-area-inset-top,0px));z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.partnav .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;height:50px;align-items:stretch}
.partnav .wrap::-webkit-scrollbar{display:none}
.partnav a{display:flex;align-items:center;gap:8px;padding:0 14px;white-space:nowrap;text-decoration:none;font:500 13px/1 var(--f-head);color:var(--muted);border-bottom:2px solid transparent}
.partnav a span{font:500 11px/1 var(--f-mono);color:var(--gold-deep)}
.partnav a[aria-current="true"]{color:var(--navy);border-bottom-color:var(--gold)}
.partnav .prog{position:absolute;left:0;bottom:-1px;height:2px;background:var(--green);width:var(--p,0%)}

.part{padding-block:clamp(64px,8vw,104px);scroll-margin-top:110px}
.part + .part{border-top:1px solid var(--rule)}
.part-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:clamp(16px,2.5vw,32px);align-items:end;margin-bottom:clamp(36px,5vw,56px)}
.part-head .pn{font:300 clamp(56px,8vw,112px)/.9 var(--f-head);color:var(--gold);letter-spacing:-.04em}
.part-head .eyebrow{display:block;margin-bottom:8px}
.part-head h2{font:600 clamp(26px,3.2vw,42px)/1.08 var(--f-head);letter-spacing:-.035em;color:var(--navy);text-wrap:balance;max-width:none}
.sub{margin-top:clamp(56px,7vw,88px)}
.sub:first-of-type{margin-top:0}
.sub h3{font:600 clamp(21px,2vw,26px)/1.18 var(--f-head);letter-spacing:-.025em;color:var(--navy);margin-bottom:18px;text-wrap:balance}
.sub h3 + .prose{margin-top:0}
.split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:start}
.split.rev{grid-template-columns:minmax(0,1fr) minmax(0,1.2fr)}
@media (max-width:860px){.split,.split.rev{grid-template-columns:1fr}}
em.t{font-style:italic;color:var(--ink)}

.arch{margin:0;width:100%;max-width:300px;justify-self:center}
.arch .frame{border-radius:150px 150px 6px 6px;overflow:hidden;background:var(--sage);padding:10px;box-shadow:0 0 0 1px rgba(201,162,39,.5) inset}
.arch img{width:100%;border-radius:140px 140px 2px 2px;aspect-ratio:185/278;object-fit:cover}
.cap-line{display:grid;grid-template-columns:26px minmax(0,1fr);gap:12px;margin-top:12px;font-size:13px;line-height:1.45;color:var(--muted)}
.cap-line::before{content:"";height:2px;background:var(--green-deep);margin-top:9px}

.place{margin-top:24px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:start;background:var(--mist);padding:16px 18px;border-left:3px solid var(--gold)}
.place svg{width:22px;height:22px;fill:none;stroke:var(--gold-deep);stroke-width:1.6;margin-top:2px}
.place p{font-size:15px;line-height:1.6;color:var(--body)}

.etym{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:0;align-items:stretch;border:1px solid var(--rule)}
.etym > div{padding:clamp(20px,3vw,32px)}
.etym .w{font:600 clamp(30px,3.6vw,46px)/1.05 var(--f-head);letter-spacing:-.03em;color:var(--navy);font-style:italic}
.etym .w small{display:block;font:500 11px/1 var(--f-mono);letter-spacing:.14em;color:var(--gold-deep);font-style:normal;margin-bottom:12px}
.etym p{margin-top:12px;font-size:15.5px;line-height:1.6;color:var(--body)}
.etym .plus{display:grid;place-items:center;padding:0 4px;font:300 40px/1 var(--f-head);color:var(--gold);border-left:1px solid var(--rule);border-right:1px solid var(--rule);background:var(--mist);width:56px}
.etym-foot{background:var(--sage);padding:16px clamp(20px,3vw,32px);font:500 16px/1.5 var(--f-head);color:var(--green-deep);border:1px solid var(--rule);border-top:0}
@media (max-width:640px){.etym{grid-template-columns:1fr}.etym .plus{width:auto;height:44px;border:0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}}

.lineage{list-style:none;padding:0;margin:0;position:relative;display:grid;gap:0}
.lineage li{position:relative;display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;padding-bottom:26px}
.lineage li::before{content:"";position:absolute;left:19px;top:30px;bottom:0;width:2px;background:linear-gradient(var(--gold),rgba(201,162,39,.25))}
.lineage li:last-child::before{display:none}
.lineage .n{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid var(--gold);font:500 12px/1 var(--f-mono);color:var(--gold-deep)}
.lineage h4{margin:8px 0 0;font:italic 600 19px/1.2 var(--f-head);color:var(--navy)}
.lineage p{margin-top:6px;font-size:15px;line-height:1.55;color:var(--body)}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chips li{padding:8px 14px;background:var(--sage);color:var(--green-deep);font:500 14px/1.2 var(--f-head)}
.chips.gold li{background:rgba(201,162,39,.12);color:#6E5810}
.chips-cap{font:600 10px/1.3 var(--f-head);letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin:22px 0 10px}

.evo{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;counter-reset:evo;border-top:2px solid var(--gold)}
.evo > div{padding:22px 22px 0 0;position:relative}
.evo > div::before{counter-increment:evo;content:"0" counter(evo);position:absolute;top:-13px;left:0;background:#fff;padding-right:10px;font:500 12px/24px var(--f-mono);color:var(--gold-deep)}
.evo h4{margin:0 0 10px;font:600 17px/1.25 var(--f-head);color:var(--navy);letter-spacing:-.015em}
.evo p{font-size:15px;line-height:1.6;color:var(--body)}
.evo p + p{margin-top:12px}
@media (max-width:860px){.evo{grid-template-columns:1fr;border-top:0;border-left:2px solid var(--gold);padding-left:20px;gap:28px}.evo > div{padding:0}.evo > div::before{position:static;display:block;padding:0;margin-bottom:6px}}

.terms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);list-style:none;padding:0;margin:0}
.terms li{background:#fff;padding:20px;transition:background .25s}
.terms li:hover{background:var(--sage)}
.terms b{display:block;font:italic 600 20px/1.2 var(--f-head);color:var(--green-deep);letter-spacing:-.01em}
.terms span{display:block;margin-top:6px;font-size:14.5px;line-height:1.45;color:var(--body)}
@media (max-width:760px){.terms{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:420px){.terms{grid-template-columns:1fr}}
.caveat{margin-top:20px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;padding:16px 18px;background:#FFF8E1;border-left:3px solid var(--gold);font-size:15px;line-height:1.6;color:#5B4A12}
.caveat b{font:700 10px/1.6 var(--f-label);letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep)}

.concepts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(20px,3vw,32px)}
.concept{border-top:2px solid var(--navy);padding-top:16px}
.concept h3{font:italic 600 24px/1.15 var(--f-head);color:var(--navy);letter-spacing:-.02em;margin-bottom:12px}
.concept .prose{font-size:15.5px}
.concept ul.ticks{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:0}
.concept ul.ticks li{padding:9px 0 9px 22px;border-top:1px solid var(--rule);font:500 14.5px/1.4 var(--f-head);color:var(--ink);position:relative}
.concept ul.ticks li::before{content:"";position:absolute;left:0;top:15px;width:8px;height:8px;background:var(--green)}
@media (max-width:860px){.concepts{grid-template-columns:1fr}}

.strata{display:flex;flex-direction:column-reverse;gap:4px;list-style:none;padding:0;margin:0}
.strata li{display:grid;grid-template-columns:28px 90px minmax(0,1fr);gap:12px;align-items:center;padding:13px 16px;background:color-mix(in srgb,var(--green-deep) var(--d),var(--sage));color:var(--c,var(--ink));transition:transform .25s}
.strata li:hover{transform:translateX(6px)}
.strata .i{font:500 11px/1 var(--f-mono);opacity:.75}
.strata b{font:italic 600 17px/1.2 var(--f-head)}
.strata span{font-size:14px;line-height:1.35}
.strata-cap{display:flex;justify-content:space-between;margin-top:8px;font:600 10px/1 var(--f-head);letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

.compare-ctrl{display:inline-flex;border:1px solid var(--rule);margin-bottom:18px}
.compare-ctrl button{background:#fff;border:0;padding:10px 16px;font:600 10.5px/1 var(--f-head);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);cursor:pointer}
.compare-ctrl button[aria-pressed="true"]{background:var(--navy);color:#fff}
.compare{width:100%;border-collapse:collapse}
.compare th{text-align:left;font:600 10px/1.3 var(--f-head);letter-spacing:.18em;text-transform:uppercase;color:var(--green-ink);padding:0 16px 10px 0;border-bottom:2px solid var(--green-deep)}
.compare td{padding:14px 16px 14px 0;border-bottom:1px solid var(--rule);font-size:15px;line-height:1.45;color:var(--body);vertical-align:top}
.compare td:first-child{font:italic 600 16px/1.3 var(--f-head);color:var(--navy);width:22%}
.compare td.mod{color:var(--green-deep);font-weight:500}
.compare[data-view="trad"] .mod,.compare[data-view="mod"] .trad{display:none}
.compare-wrap{overflow-x:auto}
@media (max-width:640px){
  .compare thead{display:none}
  .compare tr{display:grid;grid-template-columns:1fr;padding:14px 0;border-bottom:1px solid var(--rule)}
  .compare td{border:0;padding:4px 0;width:auto!important}
  .compare td.trad::before{content:"Traditional: ";font-weight:600;color:var(--ink)}
  .compare td.mod::before{content:"Contemporary: ";font-weight:600}
}

.arch-diagram{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.arch-diagram > div{background:var(--mist);padding:20px;border-top:3px solid var(--gold)}
.arch-diagram > div.key{background:var(--sage);border-top-color:var(--green)}
.arch-diagram .k{font:700 10px/1.3 var(--f-label);letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep)}
.arch-diagram .key .k{color:var(--green-ink)}
.arch-diagram h4{margin:8px 0 0;font:600 18px/1.25 var(--f-head);color:var(--navy)}
.arch-diagram p{margin-top:6px;font-size:14px;line-height:1.5;color:var(--body)}
@media (max-width:760px){.arch-diagram{grid-template-columns:1fr}}

.bridge{background:var(--sage);padding:clamp(24px,3.4vw,40px);font:700 clamp(22px,2.4vw,30px)/1.3 var(--f-head);letter-spacing:-.02em;color:var(--green-deep);text-wrap:balance}
.bridge::before{content:"";display:block;width:56px;height:3px;background:var(--gold);margin-bottom:18px}

.yr{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:center}
.yr .big{font:200 clamp(88px,14vw,200px)/.9 var(--f-head);letter-spacing:-.06em;color:var(--navy)}
.yr .big span{color:var(--gold)}
.yr figure{background:linear-gradient(180deg,#fff,var(--mist));padding:24px;text-align:center}
.yr figure img{margin:0 auto;max-height:420px;width:auto}
@media (max-width:860px){.yr{grid-template-columns:1fr}}
.stat-inline{display:flex;align-items:baseline;gap:14px;padding:18px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);margin:22px 0}
.stat-inline b{font:600 clamp(40px,4.6vw,56px)/1.1 var(--f-head);color:var(--green-deep);letter-spacing:-.03em}
.stat-inline span{font-size:15px;line-height:1.45;color:var(--body)}
.checks{list-style:none;padding:0;margin:0;counter-reset:ck}
.checks li{counter-increment:ck;display:grid;grid-template-columns:36px minmax(0,1fr);gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--rule);font:500 15px/1.4 var(--f-head);color:var(--ink)}
.checks li::before{content:"0" counter(ck);font:500 11px/1 var(--f-mono);color:var(--gold-deep)}

.archive{background:var(--navy);color:#fff;margin-top:clamp(64px,8vw,96px)}
.archive .wrap{padding-block:clamp(56px,7vw,88px)}
.archive .eyebrow{color:var(--gold-bright)}
.archive h3{margin-top:12px;font:600 clamp(28px,3.6vw,46px)/1.05 var(--f-head);letter-spacing:-.04em;max-width:none}
.timeline-bar{display:flex;align-items:center;gap:14px;margin:28px 0 24px;font:700 11px/1 var(--f-label);letter-spacing:.16em}
.timeline-bar .a{color:var(--gold-bright)} .timeline-bar .b{color:var(--green)}
.timeline-bar i{flex:1;height:1px;background:linear-gradient(90deg,var(--gold),var(--green));position:relative}
.reel{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;margin:0 calc(-1 * var(--gutter-r)) 0 calc(-1 * var(--gutter-l));padding-left:var(--gutter-l);padding-right:var(--gutter-r);scrollbar-width:thin;scrollbar-color:var(--gold) transparent}
.reel figure{flex:none;scroll-snap-align:start;margin:0}
.reel .img{height:clamp(240px,34vw,360px);background:#1A2231;border:1px solid rgba(255,255,255,.09);display:flex;align-items:center;justify-content:center}
.reel img{height:100%;width:auto;max-width:none}
.reel figcaption{margin-top:10px;display:flex;gap:10px;align-items:baseline;font:500 12px/1.3 var(--f-mono);color:var(--gold-bright)}
.reel figcaption span{font:600 10px/1.3 var(--f-head);letter-spacing:.16em;text-transform:uppercase;color:var(--green)}
.reel-hint{margin-top:6px;font:600 10px/1 var(--f-head);letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.5)}

.pillars{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:4px;list-style:none;padding:0;margin:0}
.pillars li{padding:18px 14px 16px;background:color-mix(in srgb,var(--green-deep) var(--d),#fff);color:var(--c,var(--navy));font:600 14.5px/1.3 var(--f-head);display:flex;flex-direction:column;gap:22px;min-height:120px}
.pillars li span{font:500 11px/1 var(--f-mono);opacity:.75}
@media (max-width:860px){.pillars{grid-template-columns:repeat(2,minmax(0,1fr))}.pillars li{min-height:auto}}
.bio{margin-top:6px}

.ladder-band{background:var(--navy);color:#fff}
.ladder-band .wrap{padding-block:clamp(64px,8vw,104px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:clamp(32px,5vw,80px);align-items:start}
.ladder-band h2{font:600 clamp(28px,3.6vw,46px)/1.06 var(--f-head);letter-spacing:-.04em;text-wrap:balance}
.ladder-band .stand{margin-top:18px;color:rgba(255,255,255,.72);font:300 17px/1.6 var(--f-body)}
.ladder-band .prose{color:rgba(255,255,255,.72);margin-top:22px}
.ladder{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.ladder li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;align-items:center;padding:14px 18px 14px 0;background:rgba(255,255,255,.045);border-left:2px solid rgba(201,162,39,var(--a));opacity:.45;transform:translateX(-8px);transition:opacity .6s,transform .6s,background .6s}
.ladder.go li{opacity:1;transform:none}
.ladder li .n{padding-left:16px;font:700 12px/1 var(--f-label);letter-spacing:.14em;color:var(--gold-bright)}
.ladder li b{display:block;font:500 16px/1.3 var(--f-head);letter-spacing:-.015em}
.ladder li small{display:block;margin-top:3px;font:300 13.5px/1.45 var(--f-body);color:rgba(255,255,255,.62)}
.ladder li.end{background:var(--green-deep);border-left-color:var(--green)}
.ladder li.end .n{color:var(--green)}
.ladder li.end small{color:rgba(255,255,255,.8)}
@media (max-width:860px){.ladder-band .wrap{grid-template-columns:1fr}}

.pager{background:#fff;border-top:1px solid var(--rule)}
.pager .wrap{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding-block:28px}
.pager a,.pager span.dis{display:flex;flex-direction:column;gap:6px;padding:18px 20px;background:var(--mist);text-decoration:none;color:var(--navy)}
.pager a:hover{background:var(--sage)}
.pager small{font:600 10px/1 var(--f-head);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-deep)}
.pager b{font:600 17px/1.3 var(--f-head);letter-spacing:-.015em}
.pager .nx{text-align:right}
.pager span.dis{color:var(--muted)}
@media (max-width:560px){.pager .wrap{grid-template-columns:1fr}.pager .nx{text-align:left}}
@media (prefers-reduced-motion:reduce){.ladder li{opacity:1;transform:none}}

/* =================== CHAPTER 02 + LATER PAGES =================== */
.pack-hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(28px,5vw,72px);align-items:center}
.pack-hero figure{margin:0;text-align:center;background:radial-gradient(closest-side,var(--sage),#fff 72%);padding:20px}
.pack-hero img{margin:0 auto;max-height:520px;width:auto}
@media (max-width:860px){.pack-hero{grid-template-columns:1fr}.pack-hero img{max-height:380px}}
.spec{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:28px}
.spec > div{background:#fff;padding:18px 20px}
.spec .k{font:700 10px/1.3 var(--f-label);letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep)}
.spec .v{margin-top:6px;font:600 17px/1.3 var(--f-head);color:var(--navy)}
.spec .v small{display:block;font:400 13px/1.4 var(--f-body);color:var(--muted);margin-top:3px}
@media (max-width:760px){.spec{grid-template-columns:1fr}}
.dose{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:20px}
.dose > div{background:var(--sage);padding:18px}
.dose .k{font:700 10px/1.3 var(--f-label);letter-spacing:.14em;text-transform:uppercase;color:var(--green-ink)}
.dose .v{margin-top:8px;font:600 18px/1.3 var(--f-head);color:var(--green-deep)}
@media (max-width:760px){.dose{grid-template-columns:1fr}}

.variants{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;list-style:none;padding:0;margin:0}
.variants li{border:1px solid var(--rule);border-top:3px solid var(--gold);padding:18px;display:flex;flex-direction:column;gap:8px;background:#fff}
.variants h4{margin:0;font:600 16px/1.3 var(--f-head);color:var(--navy)}
.variants p{font-size:14px;line-height:1.5;color:var(--body)}
.variants .who{margin-top:auto;padding-top:8px;border-top:1px solid var(--rule);font:500 12.5px/1.4 var(--f-head);color:var(--green-ink)}

.tool{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px}
.tool input[type=search]{flex:1 1 240px;min-width:0;height:44px;border:1px solid #CBD2D9;padding:0 14px;font:400 15px var(--f-body);color:var(--ink);background:#fff}
.tool input[type=search]:focus{outline:2px solid var(--gold);outline-offset:0;border-color:var(--gold)}
.seg{display:inline-flex;flex-wrap:wrap;border:1px solid var(--rule)}
.seg button{background:#fff;border:0;border-right:1px solid var(--rule);padding:10px 14px;font:600 10.5px/1 var(--f-head);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);cursor:pointer}
.seg button:last-child{border-right:0}
.seg button[aria-pressed="true"]{background:var(--navy);color:#fff}
.count{font:500 12px/1 var(--f-mono);color:var(--muted);margin-left:auto}
.dt-wrap{overflow-x:auto;border:1px solid var(--rule)}
.dt{width:100%;border-collapse:collapse;min-width:620px}
.dt th{position:sticky;top:0;background:var(--navy);color:#fff;text-align:left;font:600 10px/1.3 var(--f-head);letter-spacing:.16em;text-transform:uppercase;padding:12px 14px}
.dt td{padding:11px 14px;border-bottom:1px solid var(--rule);font-size:14.5px;line-height:1.4;color:var(--body);vertical-align:top}
.dt td.n{font:500 12px/1.4 var(--f-mono);color:var(--gold-deep);width:44px}
.dt td.name{font:600 15px/1.35 var(--f-head);color:var(--navy)}
.dt td.sci{font-style:italic;color:var(--ink)}
.dt tr.grp td{background:var(--sage);font:700 10.5px/1.3 var(--f-label);letter-spacing:.14em;text-transform:uppercase;color:var(--green-deep);padding:9px 14px}
.dt tbody tr:not(.grp):hover td{background:#FAFBFA}
.dt-note{margin-top:10px;font-size:13px;color:var(--muted)}

.acc{list-style:none;padding:0;margin:0;border-top:1px solid var(--rule)}
.acc li{border-bottom:1px solid var(--rule)}
.acc details summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:44px minmax(0,1fr) 20px;gap:12px;align-items:start;padding:14px 4px}
.acc details summary::-webkit-details-marker{display:none}
.acc .n{font:500 12px/1.6 var(--f-mono);color:var(--gold-deep)}
.acc .pl{font:italic 600 16px/1.35 var(--f-head);color:var(--navy)}
.acc .role{display:block;font:400 14px/1.5 var(--f-body);color:var(--body);font-style:normal;margin-top:4px}
.acc .pm{font:400 20px/1 var(--f-mono);color:var(--gold-deep);text-align:right}
.acc details[open] .pm{transform:rotate(45deg)}
.acc .mol{margin:0 4px 16px 60px;padding:14px 16px;background:var(--mist);font-size:14px;line-height:1.6;color:var(--ink)}
.acc .mol b{display:block;font:700 10px/1.3 var(--f-label);letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:6px}
@media (max-width:560px){.acc .mol{margin-left:4px}}

.scans{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.scans figure{margin:0;background:var(--mist);padding:12px}
.scans img{width:100%;height:auto}
.scans figcaption{margin-top:8px;font:600 10px/1.45 var(--f-head);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
@media (max-width:760px){.scans{grid-template-columns:1fr 1fr}}
.mono-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:24px;align-items:start}
.mono-head img{width:150px;height:auto;box-shadow:0 10px 24px -12px rgba(12,19,34,.5)}
@media (max-width:560px){.mono-head{grid-template-columns:1fr}.mono-head img{width:120px}}
.side-box{background:var(--sage);padding:18px 20px}
.side-box .k{font:700 10px/1.3 var(--f-label);letter-spacing:.14em;text-transform:uppercase;color:var(--green-ink)}
.side-box .v{margin-top:6px;font:600 18px/1.3 var(--f-head);color:var(--green-deep)}
.side-box p{margin-top:6px;font-size:14.5px;line-height:1.55;color:var(--ink);font-style:italic}

.ops{list-style:none;padding:0;margin:0;counter-reset:op;display:grid;gap:8px}
.ops li{counter-increment:op;display:grid;grid-template-columns:52px minmax(0,1fr);gap:14px;align-items:start;padding:14px 18px 14px 0;background:var(--sage);border-left:3px solid rgba(15,68,25,var(--a,.3))}
.ops li::before{content:counter(op,decimal-leading-zero);padding-left:16px;font:500 13px/1.5 var(--f-mono);color:var(--green-ink)}
.ops b{display:block;font:600 16px/1.35 var(--f-head);color:var(--green-deep)}
.ops span{display:block;font-size:14.5px;line-height:1.5;color:var(--ink);margin-top:2px}
.ops li.end{background:var(--green-deep);border-left-color:var(--green)}
.ops li.end::before{color:var(--green)}
.ops li.end b,.ops li.end span{color:#fff}

/* study pages */
.study-nav{display:flex;gap:6px;flex-wrap:wrap;margin-top:26px}
.study-nav a,.study-nav span{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 12px;border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.8);text-decoration:none;font:500 12px/1 var(--f-head)}
.study-nav a:hover{border-color:var(--gold);color:var(--gold-bright)}
.study-nav [aria-current="page"]{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.study-nav b{font:500 11px/1 var(--f-mono)}
.st-cover{background:var(--navy);color:#fff}
.st-cover .wrap{padding-block:clamp(48px,7vw,88px);display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:clamp(28px,5vw,64px);align-items:end}
.st-tag{display:inline-block;font:700 10.5px/1 var(--f-label);letter-spacing:.16em;text-transform:uppercase;color:var(--navy);background:var(--gold);padding:7px 10px}
.st-cover h1{margin-top:18px;font:600 clamp(32px,4.4vw,56px)/1.05 var(--f-head);letter-spacing:-.04em;text-wrap:balance}
.st-cover .reg{margin-top:12px;font:500 12px/1.4 var(--f-mono);color:rgba(255,255,255,.6);letter-spacing:.06em}
.st-cover .obj{margin-top:20px;font:300 17px/1.6 var(--f-body);color:rgba(255,255,255,.8);max-width:58ch}
.hero-stat{border-left:3px solid var(--green);padding:6px 0 6px 20px}
.hero-stat .k{font:600 10px/1.4 var(--f-head);letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.hero-stat .v{margin-top:8px;font:600 clamp(48px,6vw,80px)/1 var(--f-head);letter-spacing:-.04em;color:var(--green)}
.hero-stat .d{margin-top:8px;font:400 14px/1.45 var(--f-body);color:rgba(255,255,255,.75)}
@media (max-width:860px){.st-cover .wrap{grid-template-columns:1fr}}

.glance{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.glance > div{background:#fff;padding:18px}
.glance .k{font:700 10px/1.3 var(--f-label);letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep)}
.glance .v{margin-top:8px;font:600 22px/1.15 var(--f-head);color:var(--navy);letter-spacing:-.02em}
.glance .d{margin-top:6px;font-size:13.5px;line-height:1.45;color:var(--body)}
@media (max-width:860px){.glance{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:420px){.glance{grid-template-columns:1fr}}

.flow{display:flex;flex-wrap:wrap;align-items:stretch;gap:0}
.flow .st{flex:1 1 120px;padding:16px;background:var(--mist);border-right:2px solid #fff;position:relative}
.flow .st:last-child{border-right:0;background:var(--sage)}
.flow .v{font:600 30px/1.1 var(--f-head);color:var(--navy);letter-spacing:-.02em}
.flow .st:last-child .v{color:var(--green-deep)}
.flow .k{margin-top:4px;font:500 13px/1.35 var(--f-head);color:var(--body)}
.flow .split2{display:flex;gap:16px;margin-top:6px;font:500 12.5px/1.3 var(--f-mono);color:var(--muted)}

.hbars{display:grid;gap:12px}
.hbar{display:grid;grid-template-columns:150px minmax(0,1fr);gap:14px;align-items:center}
.hbar .l{font:500 14px/1.3 var(--f-head);color:var(--ink)}
.hbar .t{height:30px;background:var(--mist);position:relative}
.hbar .t i{position:absolute;inset:0 auto 0 0;width:0;background:var(--c,var(--green));transition:width 1.1s cubic-bezier(.2,.8,.2,1)}
.hbars.go .hbar .t i{width:var(--v)}
.hbar .t b{position:absolute;left:calc(var(--v) + 8px);top:50%;transform:translateY(-50%);font:600 13px/1 var(--f-mono);color:var(--ink);white-space:nowrap}
.hbar .t b.in{left:auto;right:8px;color:#fff}
.chart-cap{margin-top:12px;font-size:12.5px;line-height:1.5;color:var(--muted)}
@media (max-width:520px){.hbar{grid-template-columns:96px minmax(0,1fr)}}

.vs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.vs > div{padding:22px;background:var(--mist);border-top:3px solid rgba(201,162,39,.7)}
.vs > div.us{background:var(--sage);border-top-color:var(--green)}
.vs .k{font:700 10px/1.3 var(--f-label);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.vs .v{margin-top:8px;font:600 clamp(32px,3.6vw,46px)/1.05 var(--f-head);color:var(--navy);letter-spacing:-.03em}
.vs .us .v{color:var(--green-deep)}
.vs .d{margin-top:6px;font-size:14px;line-height:1.45;color:var(--body)}

.stack{display:flex;height:34px;width:100%;overflow:hidden}
.stack i{display:block;height:100%;width:var(--w)}
.stack-legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px;font:500 12.5px/1.3 var(--f-head);color:var(--body)}
.stack-legend span::before{content:"";display:inline-block;width:10px;height:10px;margin-right:6px;background:var(--c);vertical-align:-1px}

.kv{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0;border-top:1px solid var(--rule)}
.kv > *{padding:10px 0;border-bottom:1px solid var(--rule)}
.kv dt{font:500 14.5px/1.35 var(--f-head);color:var(--ink)}
.kv dd{margin:0;text-align:right;font:600 15px/1.35 var(--f-mono);color:var(--navy);padding-left:16px}

.takeaway{background:var(--green-deep);color:#fff}
.takeaway .wrap{padding-block:clamp(44px,6vw,72px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px)}
.takeaway .eyebrow{color:var(--green)}
.takeaway h2{margin-top:12px;font:600 clamp(22px,2.6vw,32px)/1.25 var(--f-head);letter-spacing:-.02em;text-wrap:balance}
.takeaway ul{list-style:none;padding:0;margin:0;display:grid;gap:0}
.takeaway li{padding:12px 0 12px 22px;border-top:1px solid rgba(255,255,255,.16);position:relative;font-size:15.5px;line-height:1.5;color:rgba(255,255,255,.88)}
.takeaway li::before{content:"";position:absolute;left:0;top:19px;width:8px;height:8px;background:var(--green)}
@media (max-width:860px){.takeaway .wrap{grid-template-columns:1fr}}
.cite{font-size:13px;line-height:1.55;color:var(--muted);border-top:1px solid var(--rule);padding-top:14px;margin-top:28px}
.claimlist{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.claimlist li{padding:14px 16px;background:#fff;border:1px solid var(--rule);border-left:3px solid var(--green);font:500 15px/1.45 var(--f-head);color:var(--green-deep)}

.studies{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.study-card{display:flex;flex-direction:column;gap:10px;padding:22px;background:#fff;border:1px solid var(--rule);border-top:3px solid var(--navy);text-decoration:none;color:inherit;transition:transform .25s,box-shadow .25s,border-color .25s}
.study-card:hover{transform:translateY(-4px);box-shadow:0 16px 28px -18px rgba(12,19,34,.45);border-top-color:var(--gold)}
.study-card .k{display:flex;justify-content:space-between;font:500 11px/1 var(--f-mono);color:var(--gold-deep);letter-spacing:.08em}
.study-card h3{margin:0;font:600 18px/1.25 var(--f-head);color:var(--navy);letter-spacing:-.015em}
.study-card .big{font:600 32px/1.05 var(--f-head);color:var(--green-deep);letter-spacing:-.03em}
.study-card .big small{display:block;font:400 13px/1.4 var(--f-body);color:var(--body);letter-spacing:0;margin-top:4px}
.study-card .meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--rule);display:flex;flex-wrap:wrap;gap:6px}
.study-card .meta span{font:500 11.5px/1 var(--f-head);padding:6px 8px;background:var(--mist);color:var(--ink)}
.study-card .go{font:600 11px/1 var(--f-head);letter-spacing:.14em;text-transform:uppercase;color:var(--navy)}

/* claims */
.bands{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.bands li{display:grid;grid-template-columns:48px minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:center;padding:14px 18px 14px 0;background:color-mix(in srgb,var(--green-deep) var(--d),#fff);color:var(--c,var(--navy))}
.bands .n{padding-left:16px;font:500 12px/1 var(--f-mono);opacity:.75}
.bands b{font:600 16px/1.3 var(--f-head)}
.bands span{font-size:14px;line-height:1.4;opacity:.85}
@media (max-width:620px){.bands li{grid-template-columns:40px minmax(0,1fr)}.bands span{grid-column:2}}
.levels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.levels > div{padding:20px;border:1px solid var(--rule);border-top:3px solid rgba(15,68,25,var(--a))}
.levels .l{font:500 12px/1 var(--f-mono);color:var(--green-ink)}
.levels h4{margin:8px 0 0;font:600 16px/1.3 var(--f-head);color:var(--navy)}
.levels p{margin-top:8px;font-size:14px;line-height:1.55;color:var(--body)}
@media (max-width:860px){.levels{grid-template-columns:1fr}}
.chain-v{list-style:none;padding:0;margin:0;display:grid;gap:0;max-width:520px}
.chain-v li{padding:12px 18px;background:var(--mist);font:500 15px/1.35 var(--f-head);color:var(--navy);text-align:center;position:relative;margin-bottom:22px}
.chain-v li:not(:last-child)::after{content:"";position:absolute;left:50%;bottom:-17px;width:2px;height:12px;background:var(--gold);transform:translateX(-50%)}
.chain-v li:last-child{background:var(--green-deep);color:#fff;margin-bottom:0}
.evmap td.c{text-align:center;font:600 18px/1 var(--f-head)}
.evmap td.c.y{color:var(--green-deep)}
.evmap td.c.y::before{content:"";display:inline-block;width:14px;height:14px;border-radius:50%;background:var(--green)}
.evmap td.c.n{color:#C3C8CF}
.qsec{margin-top:36px}
.qsec h4{margin:0 0 14px;font:700 11px/1.3 var(--f-label);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);border-bottom:2px solid var(--gold);padding-bottom:8px}
.qgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.q{padding:18px;background:var(--mist);display:flex;flex-direction:column;gap:8px}
.q .t{display:flex;gap:10px;align-items:baseline;font:600 14.5px/1.3 var(--f-head);color:var(--navy)}
.q .t span{font:500 11px/1 var(--f-mono);color:var(--gold-deep)}
.q .t small{display:block;font:400 12px/1.3 var(--f-body);color:var(--muted)}
.q .vals{display:flex;flex-wrap:wrap;gap:16px}
.q .v{font:600 28px/1.1 var(--f-head);color:var(--green-deep);letter-spacing:-.02em}
.q .v small{display:block;font:400 12.5px/1.4 var(--f-body);color:var(--body);letter-spacing:0;max-width:24ch}
.note-band{margin-top:20px;padding:16px 20px;background:var(--navy);color:#fff;font:500 16px/1.5 var(--f-head)}
.refs{list-style:none;padding:0;margin:0;counter-reset:none;display:grid;gap:0}
.refs li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:12px;padding:16px 0;border-bottom:1px solid var(--rule);font-size:15px;line-height:1.6;color:var(--ink)}
.refs li span.n{font:500 13px/1.6 var(--f-mono);color:var(--gold-deep)}
.refs a{color:var(--green-ink);word-break:break-word}

@media (max-width:860px){
  .hero-ctrl{top:auto;bottom:auto;position:absolute;right:calc(10px + env(safe-area-inset-right,0px));top:10px}
}

@media (max-width:860px){.nav-head .eyebrow{display:none}}
@media (min-width:861px){.pillars.four{grid-template-columns:repeat(4,minmax(0,1fr))}}
.glance + .prose,.flow + .prose,.split + .prose,.vs + .prose,.dt-wrap + .prose,.hbars + .prose,.concepts + .prose,.chart-cap + .prose{margin-top:22px}
.prose + .glance,.prose + .vs,.prose + .dt-wrap{margin-top:20px}

/* =================== CHAPTER 03 MECHANISTIC =================== */
.ch-parts.nolink .row{display:grid;grid-template-columns:44px minmax(0,1fr);gap:12px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.14);font:500 16px/1.35 var(--f-head);color:#fff}
.ch-parts.nolink .row span{font:500 12px/1.4 var(--f-mono);color:var(--gold-bright)}
.mtiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.mtile{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--rule);text-decoration:none;color:var(--navy);overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s}
.mtile:hover,.mtile:focus-visible{transform:translateY(-4px);box-shadow:0 16px 30px -18px rgba(12,19,34,.5);border-color:var(--gold)}
.mtile .img{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--mist)}
.mtile .img img{width:100%;height:100%;object-fit:cover;object-position:50% 20%}
.mtile .n{position:absolute;top:10px;left:10px;background:var(--navy);color:var(--gold-bright);font:500 12px/1 var(--f-mono);padding:6px 8px}
.mtile .t{padding:14px 14px 4px;font:600 16px/1.25 var(--f-head);letter-spacing:-.01em}
.mtile .m{padding:0 14px 12px;font-size:13px;line-height:1.4;color:var(--body)}
.mtile .m b{font:600 15px/1 var(--f-head);color:var(--green-deep)}
.mtile .c{margin-top:auto;padding:12px 14px;border-top:1px solid var(--rule);font:600 10.5px/1 var(--f-head);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep)}
@media (max-width:560px){.mtiles{grid-template-columns:1fr 1fr;gap:10px}.mtile .t{font-size:14.5px;padding:12px 10px 4px}.mtile .m{padding:0 10px;font-size:12px}.mtile .c{padding:10px;font-size:9.5px;letter-spacing:.12em}}
.qgrid.ends .q{gap:4px}
.qgrid.ends .t small{display:block;margin-top:3px;font:600 9.5px/1.3 var(--f-head);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
@media (max-width:560px){.qgrid.ends{grid-template-columns:1fr 1fr}.qgrid.ends .q{padding:12px}.qgrid.ends .v{font-size:22px}}

.mbar{position:sticky;top:calc(64px + env(safe-area-inset-top,0px));z-index:40;background:rgba(255,255,255,.97);border-bottom:1px solid var(--rule);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.mbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px}
.mbar .back{display:inline-flex;align-items:center;gap:8px;min-height:44px;font:600 13px/1.2 var(--f-head);color:var(--navy);text-decoration:none}
.mbar .back span{font-size:18px;color:var(--gold-deep)}
.mbar .pos{display:inline-flex;align-items:center;gap:6px;font:500 12px/1 var(--f-mono);color:var(--muted);white-space:nowrap}
.mbar .arrow{display:inline-grid;place-items:center;width:40px;height:40px;border:1px solid var(--rule);font:400 22px/1 var(--f-head);color:var(--navy);text-decoration:none}
.mbar .arrow.off{opacity:.3}
.mhead{background:var(--navy);color:#fff}
.mhead .wrap{padding-block:clamp(32px,6vw,64px)}
.mhead .eyebrow{color:var(--gold-bright)}
.mhead h1{margin-top:12px;font:600 clamp(26px,4.2vw,48px)/1.08 var(--f-head);letter-spacing:-.035em;max-width:none;text-wrap:balance}
.mhead.study h1{font-size:clamp(24px,3.6vw,40px)}
.mhead .lead{margin-top:14px;font:300 clamp(16px,1.5vw,18px)/1.6 var(--f-body);color:rgba(255,255,255,.82);max-width:62ch}
.mhead .model{margin-top:16px;font-size:14px;line-height:1.5;color:rgba(255,255,255,.72);max-width:62ch}
.mhead .model b{display:block;font:600 10px/1.4 var(--f-head);letter-spacing:.2em;text-transform:uppercase;color:var(--green);margin-bottom:4px}
.mdomain,.mstudy{padding-block:clamp(24px,4vw,48px) clamp(48px,7vw,80px)}
.mh2{margin:clamp(36px,5vw,52px) 0 14px;font:600 clamp(19px,2vw,24px)/1.2 var(--f-head);letter-spacing:-.02em;color:var(--navy);padding-bottom:10px;border-bottom:2px solid var(--gold)}
.mfig{margin:0}
.mfig .zoom{display:block;width:100%;padding:0;border:1px solid var(--rule);background:#fff;cursor:zoom-in;position:relative}
.mfig .zoom::after{content:"Tap to enlarge";position:absolute;right:8px;bottom:8px;font:600 9.5px/1 var(--f-head);letter-spacing:.14em;text-transform:uppercase;background:rgba(12,19,34,.75);color:#fff;padding:6px 8px}
.mfig img{width:100%;height:auto}
.mfig figcaption{margin-top:8px;font-size:13px;line-height:1.5;color:var(--muted)}
.mfig.lead{margin-top:4px}
.mfigs{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-bottom:18px}
.scards{display:grid;gap:10px}
.scard{display:grid;grid-template-columns:120px minmax(0,1fr) 28px;gap:16px;align-items:center;padding:12px;border:1px solid var(--rule);border-left:3px solid var(--gold);background:#fff;text-decoration:none;color:inherit;transition:background .2s,border-color .2s}
.scard:hover,.scard:focus-visible{background:var(--sage);border-left-color:var(--green)}
.scard .th{display:block;aspect-ratio:4/3;overflow:hidden;background:var(--mist)}
.scard .th img{width:100%;height:100%;object-fit:cover}
.scard .k{display:block;font:600 10px/1.3 var(--f-head);letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep)}
.scard .t{display:block;margin-top:4px;font:600 16px/1.3 var(--f-head);color:var(--navy)}
.scard .o{display:block;margin-top:4px;font-size:13.5px;line-height:1.45;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.scard .go{font:400 22px/1 var(--f-head);color:var(--gold-deep)}
@media (max-width:560px){.scard{grid-template-columns:72px minmax(0,1fr) 20px;gap:12px;padding:10px}.scard .t{font-size:15px}.scard .o{-webkit-line-clamp:2;font-size:12.5px}}
.msteps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.msteps li{position:relative;padding:16px;background:var(--sage);font:500 14.5px/1.4 var(--f-head);color:var(--green-deep)}
.msteps li span{display:block;font:500 11px/1 var(--f-mono);color:var(--green-ink);margin-bottom:8px}
.msteps li:last-child{background:var(--green-deep);color:#fff}
.msteps li:last-child span{color:var(--green)}
.msteps{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:22px}
.msteps li:not(:last-child)::after{content:"";position:absolute;right:-17px;top:50%;width:12px;height:12px;transform:translateY(-50%);background:no-repeat center/12px 12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 1l6 5-6 5' fill='none' stroke='%23A8871D' stroke-width='2'/%3E%3C/svg%3E")}
@media (max-width:760px){.msteps{grid-auto-flow:row;grid-auto-columns:auto;grid-template-columns:1fr;gap:20px}.msteps li:not(:last-child)::after{right:auto;left:50%;top:auto;bottom:-16px;transform:translateX(-50%) rotate(90deg)}}
.reads{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.rd{padding:16px;background:var(--mist);border-top:3px solid var(--green)}
.rd .k{font:700 10px/1.3 var(--f-label);letter-spacing:.12em;text-transform:uppercase;color:var(--gold-deep)}
.rd .v{margin-top:6px;font:600 clamp(22px,2.4vw,30px)/1.1 var(--f-head);color:var(--green-deep);letter-spacing:-.02em}
.rd .d{margin-top:6px;font-size:13px;line-height:1.45;color:var(--body)}
@media (max-width:760px){.reads{grid-template-columns:1fr 1fr}}
@media (max-width:380px){.reads{grid-template-columns:1fr}}
.claimlist.mini li{padding:10px 14px;font-size:14px}
.mglance{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--rule);border:1px solid var(--rule);margin-bottom:20px}
.mglance > div{background:#fff;padding:16px 18px}
.mglance .k{display:block;font:700 10px/1.3 var(--f-label);letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:6px}
.mglance p{font-size:15px;line-height:1.55;color:var(--ink)}
.mglance p + p{margin-top:8px}
@media (max-width:640px){.mglance{grid-template-columns:1fr}}
.msec{border-top:1px solid var(--rule)}
.msec:last-of-type{border-bottom:1px solid var(--rule)}
.mstudy .msec:first-of-type{margin-top:24px}
.msec summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;padding:8px 0;font:600 16px/1.3 var(--f-head);color:var(--navy)}
.msec summary::-webkit-details-marker{display:none}
.msec summary i{flex:none;width:28px;height:28px;border:1px solid var(--rule);position:relative}
.msec summary i::before,.msec summary i::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;background:var(--gold-deep);transform:translate(-50%,-50%)}
.msec summary i::after{transform:translate(-50%,-50%) rotate(90deg);transition:transform .2s}
.msec[open] summary i::after{transform:translate(-50%,-50%) rotate(0)}
.mbody{padding:0 0 22px}
.mbody p{font-size:15.5px;line-height:1.68;color:var(--body)}
.mbody p + p{margin-top:12px}
.mbody h5{margin:18px 0 8px;font:700 11px/1.35 var(--f-label);letter-spacing:.12em;text-transform:uppercase;color:var(--green-ink)}
.mbody .claimlist{margin:10px 0 14px}
.mnav{display:flex;justify-content:space-between;gap:10px;margin-top:32px}
.mbtn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;background:var(--navy);color:#fff;text-decoration:none;font:600 11.5px/1 var(--f-head);letter-spacing:.14em;text-transform:uppercase}
.mbtn.ghost{background:#fff;color:var(--navy);border:1px solid var(--rule)}
@media (max-width:420px){.mnav{flex-direction:column-reverse}.mbtn{width:100%}}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(12,19,34,.96);display:flex;flex-direction:column}
.lightbox[hidden]{display:none!important}
.lb-close{position:absolute;top:calc(10px + env(safe-area-inset-top,0px));right:calc(10px + env(safe-area-inset-right,0px));width:48px;height:48px;border:1px solid rgba(255,255,255,.3);background:rgba(12,19,34,.6);color:#fff;font:300 30px/1 var(--f-head);cursor:pointer;z-index:2}
.lb-scroll{flex:1;overflow:auto;display:flex;align-items:center;justify-content:center;padding:64px 12px 24px;-webkit-overflow-scrolling:touch}
.lb-scroll img{max-width:none;width:min(1600px,220vw);height:auto;background:#fff}
@media (min-width:900px){.lb-scroll img{width:auto;max-width:94vw;max-height:86vh}}
.racts{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.rbtn{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border:1px solid var(--rule);font:600 11px/1 var(--f-head);letter-spacing:.1em;text-transform:uppercase;color:var(--navy);text-decoration:none;background:#fff}
.rbtn.pri{background:var(--green-deep);border-color:var(--green-deep);color:#fff}
.rbtn:hover{border-color:var(--gold)}
.glance .v,.rd .v,.q .v,.stat .v{overflow-wrap:anywhere}
.split > *,.concepts > *,.frame > *,.lead-grid > *,.triad > *,.m2b > *,.yr > *,.pack-hero > *,.conclude-grid > *,.takeaway .wrap > *,.st-cover .wrap > *,.ladder-band .wrap > *,.ch-cover .wrap > *,.mono-head > *{min-width:0}

/* section 03 additions */
.btn.ghost{background:transparent;color:var(--navy);box-shadow:inset 0 0 0 1px var(--navy)}
.btn.ghost:hover{background:var(--navy);color:#fff}
.mhead .dsub{margin-top:10px;font:500 clamp(14px,1.3vw,16px)/1.45 var(--f-head);color:var(--gold-bright);max-width:60ch}
.gtags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.gtags span{padding:7px 12px;background:var(--green-deep);color:#fff;font:600 10px/1 var(--f-head);letter-spacing:.16em;text-transform:uppercase}
.gmodes{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:12px;margin-top:16px}
.gmodes>div{padding:16px;background:var(--mist);min-width:0}
.gmodes .k{font:700 10px/1.3 var(--f-label);letter-spacing:.12em;text-transform:uppercase;color:var(--gold-deep)}
.gchips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.gchips span{padding:6px 9px;background:#fff;border:1px solid var(--rule);font:500 12px/1 var(--f-mono);color:var(--navy)}
.gassays .v{font-size:clamp(17px,1.6vw,20px);hyphens:auto}
@media (max-width:560px){.gassays{grid-template-columns:1fr}}
@media (max-width:860px){.gmodes{grid-template-columns:1fr}}

/* ---------- breadth on wide screens ---------- */
@media (min-width:1100px){
  .wrap > .prose,.block > .prose,.sub > .prose,.part .wrap > .prose{max-width:none}
  .wrap > .prose:has(> * + *),.block > .prose:has(> * + *),.sub > .prose:has(> * + *){display:block!important;column-count:2;column-gap:56px}
  .wrap > p.prose,.block > p.prose,.sub > p.prose{font-size:17.5px;max-width:110ch}
  .wrap > .prose > *,.block > .prose > *,.sub > .prose > *{break-inside:avoid-column}
  .wrap > .prose > * + *,.block > .prose > * + *,.sub > .prose > * + *{margin-top:16px}
}
/* mechanistic area header: two columns on desktop */
.mhead .mh-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(24px,4vw,64px);align-items:end}
.mhead .mh-grid .lead{margin-top:0}
@media (max-width:900px){.mhead .mh-grid{grid-template-columns:1fr;gap:0}.mhead .mh-grid .lead{margin-top:14px}}
/* study page: figure column on desktop */
.mgrid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);grid-template-areas:"g f" "m f";column-gap:clamp(28px,3.5vw,56px);align-items:start}
.mgrid > .mglance{grid-area:g;margin-bottom:0}
.mgrid > .mside{grid-area:f;position:sticky;top:calc(64px + 52px + 20px)}
.mgrid > .mside .mfig{margin:0}
.mgrid > .mmain{grid-area:m}
.mgrid .mglance{grid-template-columns:1fr 1fr}
@media (max-width:1000px){.mgrid{grid-template-columns:1fr;grid-template-areas:"g" "f" "m"}.mgrid > .mside{position:static;margin-top:20px}}
@media (max-width:640px){.mgrid .mglance{grid-template-columns:1fr}}
.deck-card *{white-space:normal;overflow-wrap:break-word}
.mtile .t{box-sizing:border-box;min-height:calc(2.5em + 18px)}
.mtile .m{box-sizing:border-box;min-height:calc(2.8em + 12px)}
@media (max-width:560px){.mtile .t{min-height:calc(2.5em + 16px)}}
.gflow{display:grid;gap:28px}
.prose[style*="display:block"] > * + *{margin-top:16px}
@media (max-width:860px){.shloka{padding-top:48px}}
@media (max-width:620px){.clinical > *{min-height:0}}

/* ---------- mobile hero v2: portrait film, navigator rises over its last frame ---------- */
.deck-now{display:none}
@media (max-width:860px){
  .hero{height:calc(100svh - 64px);min-height:600px;max-height:none;overflow:hidden}
  .hero .film-box{position:absolute;inset:0;aspect-ratio:auto;max-height:none}
  .hero video{object-fit:cover;object-position:50% 35%}
  .hero-shade{display:block;background:linear-gradient(180deg,rgba(12,19,34,0) 25%,rgba(12,19,34,.55) 48%,rgba(12,19,34,.94) 70%,rgba(12,19,34,.98) 100%)}
  .hero.revealed video{filter:saturate(.95) brightness(.85)}
  .nav-zone,.hero:not(.revealed) .nav-zone{display:flex;position:absolute;left:0;right:0;bottom:0;height:auto;background:none;padding:0 0 calc(18px + env(safe-area-inset-bottom,0px));opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.8,.2,1);pointer-events:none}
  .hero.revealed .nav-zone{opacity:1;transform:none;pointer-events:auto}
  .deck{animation:none}
  .deck-card{animation:none;opacity:0;transform:translateX(24px);transition:opacity .6s ease var(--d),transform .6s cubic-bezier(.2,.8,.2,1) var(--d)}
  .hero.revealed .deck-card{opacity:1;transform:none}
  .deck-now{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-rows:auto auto;column-gap:14px;align-items:end;margin:0 16px 18px;color:#fff;text-decoration:none}
  .deck-now .nn{grid-row:1 / span 2;font:200 clamp(64px,22vw,96px)/.82 var(--f-head);color:var(--gold);letter-spacing:-.05em}
  .deck-now .ns{display:block;font:600 11px/1.3 var(--f-head);letter-spacing:.22em;text-transform:uppercase;color:var(--green)}
  .deck-now .nt{display:block;margin-top:6px;font:600 clamp(20px,5.6vw,26px)/1.12 var(--f-head);letter-spacing:-.025em;text-wrap:balance}
  .deck-now .ngo{grid-column:2;margin-top:10px;font:600 11px/1 var(--f-head);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-bright)}
  .deck-now.flip .nn,.deck-now.flip .nx{animation:nowIn .45s cubic-bezier(.2,.8,.2,1)}
  .deck-head{padding-top:2px}
  .deck-rail{margin:10px 16px 0}
  .deck-track{padding:12px 16px 2px}
  .deck-card{flex:0 0 40%;max-width:180px;min-height:84px;padding:14px 14px 12px;background:rgba(12,19,34,.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
  .deck-card .dn{font-size:30px}
  .deck-card .ds{margin-top:8px}
  .deck-card .dtt{display:none}
  .deck-card .dgo{display:none}
  .hero-ctrl{top:12px}
  .hero-skip{bottom:calc(20px + env(safe-area-inset-bottom,0px))}
}
@keyframes nowIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.deck-card{transition:none}.deck-now.flip .nn,.deck-now.flip .nx{animation:none}}

@media (max-width:860px){
  .hero{height:min(calc(100svh - 64px),158.9vw);min-height:0}
  .hero-ctrl{display:none}
  .deck-replay{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:0 2px;background:none;border:0;color:rgba(255,255,255,.72);font:600 10.5px/1 var(--f-head);letter-spacing:.16em;text-transform:uppercase;cursor:pointer}
  .deck-replay span{font-size:15px;color:var(--gold-bright)}
  .deck-head{align-items:center}
}
@media (max-width:860px){
  .deck-card{flex-basis:46%;max-width:200px}
  .deck-card .ds{font-size:9.5px;letter-spacing:.12em;overflow-wrap:normal;word-break:normal;hyphens:none}
}

.arch .frame{display:block}
.part-head.nopn{grid-template-columns:minmax(0,1fr)}
/* rishi portrait: show the full painting, no arch crop */
.arch .frame{border-radius:10px;padding:10px}
.arch img{border-radius:6px;aspect-ratio:auto;height:auto;object-fit:contain}