/* Baize × pdoom — /platform/ 白泽 AI 原生平台：十一个分镜，一镜到底。
   Two layouts share one markup:
     scroll (default, no JS, narrow screens, reduced motion)  chapters stack as a normal page
     deck   (html.pf-deck-on, set by pdoom-platform.js)        every chapter is one screen over a
                                                              fixed particle field; wheel / keys / swipe /
                                                              rail / timeline move between them
   Control-room language (chamfered panels, hazard stripes, mono read-outs, vertical type, scanlines,
   title cards) stays inside the site palette: ink, bone, Sparta red. Prefix pf-. */

:root{
  --pf-top:112px;--pf-bot:94px;--pf-l:clamp(36px,4.4vw,80px);--pf-r:clamp(96px,7.6vw,140px);
  --pf-ease:cubic-bezier(.16,1,.3,1);
  --pf-line:#f1f0ed1f;--pf-line2:#f1f0ed3d;--pf-redl:#ec1c248c;--pf-panel:#0b0b0dd1;
  --hx:clamp(90px,14.6vh,158px);--hy:calc(var(--hx)*1.1547);
}
.pf-page{background:var(--pd-ink)}
.pf-page main p,.pf-page main li{color:var(--pd-ash)}

/* ---------- shared type ---------- */
.pf-kicker,.pf-tag{display:flex;align-items:center;gap:12px;margin:0 0 18px;font-family:var(--pd-mono);font-size:.76rem;
  letter-spacing:.26em;text-transform:uppercase;color:var(--pd-ash)!important}
.pf-kicker::before{content:"";width:28px;height:2px;background:var(--pd-signal);flex:none}
.pf-tag b{display:inline-grid;place-items:center;min-width:36px;height:22px;padding:0 7px;background:var(--pd-signal);color:var(--pd-ink);
  font-weight:600;letter-spacing:.08em}
.pf-h1{margin:0 0 22px;font-size:clamp(2.6rem,1rem + 3.4vw + 2.6vh,6.4rem);font-weight:900;line-height:1.04;letter-spacing:-.02em;color:var(--pd-bone)}
.pf-h1 span,.pf-h1 em{display:block}
.pf-h1 em{font-style:normal;color:var(--pd-signal);text-shadow:0 0 54px #ec1c2466}
.pf-h2{margin:0 0 14px;font-size:clamp(2rem,1rem + 1.8vw + 2vh,4.3rem);font-weight:900;line-height:1.08;letter-spacing:-.015em;color:var(--pd-bone)}
.pf-lead{margin:0;max-width:680px;font-size:clamp(.98rem,.9rem + .3vw,1.14rem);line-height:1.85;color:var(--pd-ash)!important}
.pf-head{margin-bottom:clamp(28px,4vh,48px)}
.pf-code{font-family:var(--pd-mono);font-weight:500;letter-spacing:.04em}
.pf-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.pf-chips{display:flex;flex-wrap:wrap;gap:6px}
.pf-chips i{font-style:normal;font-family:var(--pd-mono);font-size:.72rem;letter-spacing:.04em;padding:4px 8px;border:1px solid var(--pf-line2);color:var(--pd-bone)}

/* chamfered control panel: the border is cut at two corners and the diagonals are drawn back in */
.pf-panel{--c:16px;position:relative;background:var(--pf-panel);border:1px solid var(--pf-line2);backdrop-filter:blur(5px);
  clip-path:polygon(0 0,calc(100% - var(--c)) 0,100% var(--c),100% 100%,var(--c) 100%,0 calc(100% - var(--c)))}
.pf-panel::before,.pf-panel::after{content:"";position:absolute;width:var(--c);height:var(--c);pointer-events:none;
  background:linear-gradient(to top right,transparent calc(50% - .8px),var(--pf-line2) calc(50% - .8px) calc(50% + .8px),transparent calc(50% + .8px))}
.pf-panel::before{top:0;right:0}.pf-panel::after{bottom:0;left:0}
.pf-ph{display:flex;align-items:center;gap:10px;margin:0;padding:10px 16px;border-bottom:1px solid var(--pf-line);font-family:var(--pd-mono);
  font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--pd-ash)!important}
.pf-ph::before{content:"";width:7px;height:7px;background:var(--pd-signal);flex:none;animation:pf-blink 1.6s steps(2,jump-none) infinite}
.pf-ph span{color:var(--pd-signal)}
.pf-ph em{margin-left:auto;font-style:normal;color:var(--pd-graphite)}
.pf-panel-warn{border-color:#ec1c2466}
.pf-panel-warn .pf-ph{background:repeating-linear-gradient(-45deg,#ec1c2426 0 8px,transparent 8px 16px)}
@keyframes pf-blink{50%{opacity:.15}}

/* ================= scroll layout (default) ================= */
.pf-deck{position:relative;z-index:2}
.pf-slide{position:relative;padding:clamp(110px,13vh,150px) 0 clamp(64px,8vh,110px);border-bottom:1px solid var(--pd-hair)}
.pf-slide>.pf-in{position:relative;width:100%;max-width:min(var(--max),calc(100% - 48px));margin:0 auto}
.pf-scroll .pf-slide{min-height:100svh;display:flex;align-items:center}
.pf-scroll .pf-slide>.pf-in{flex:0 1 auto}
.pf-scroll .pf-slide:not(.is-seen) [data-fx]{opacity:0}
.pf-scroll .pf-slide.is-seen [data-fx]{animation:pf-rise .9s var(--pf-ease) both;animation-delay:calc(var(--d,0)*80ms)}

.pf-crumbs{margin-bottom:22px}
.pf-kpis{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin:clamp(36px,5vh,64px) 0 0;max-width:980px;border-top:1px solid var(--pf-line2)}
.pf-kpis>div{display:flex;flex-direction:column-reverse;justify-content:flex-end;padding:16px 14px 2px 0;border-right:1px solid var(--pf-line)}
.pf-kpis>div+div{padding-left:14px}
.pf-kpis>div:last-child{border-right:0}
.pf-kpis dd{margin:0;display:flex;align-items:baseline;gap:4px}
.pf-kpis b{font-family:var(--pd-sans);font-weight:900;font-stretch:84%;font-size:clamp(2rem,1rem + 1.6vw + 1.6vh,3.5rem);line-height:1;letter-spacing:-.04em;
  color:var(--pd-bone);font-variant-numeric:tabular-nums}
.pf-kpis>div:first-child b{color:var(--pd-signal)}
.pf-kpis i{font-style:normal;font-weight:700;color:var(--pd-bone)}
.pf-kpis dt{margin-top:8px;font-family:var(--pd-mono);font-size:.74rem;letter-spacing:.08em;color:var(--pd-ash)}

/* 01 value */
.pf-before,.pf-after{margin-top:22px}
.pf-frags,.pf-pillars{list-style:none;margin:0;padding:6px 0}
.pf-frags li{display:grid;grid-template-columns:7.2em 1fr;gap:12px;align-items:baseline;padding:10px 16px;border-bottom:1px dashed var(--pf-line)}
.pf-frags li:last-child{border-bottom:0}
.pf-frags b{color:var(--pd-bone);font-size:.98rem}
.pf-frags span{font-size:.86rem}
.pf-frags li::before{content:"×";position:absolute;margin-left:-12px;color:var(--pd-signal);font-family:var(--pd-mono);font-size:.8rem}
.pf-pain{margin:0;padding:11px 16px;border-top:1px solid #ec1c2466;font-family:var(--pd-mono);font-size:.76rem;letter-spacing:.1em;color:var(--pd-ember)!important}
.pf-pillars li{display:grid;grid-template-columns:30px 5.4em 1fr;gap:12px;align-items:baseline;padding:11px 16px;border-bottom:1px dashed var(--pf-line)}
.pf-pillars li:last-child{border-bottom:0}
.pf-pillars i{font-style:normal;font-family:var(--pd-mono);font-size:.74rem;color:var(--pd-signal)}
.pf-pillars b{color:var(--pd-bone);font-size:1.02rem}
.pf-pillars span{font-size:.88rem;line-height:1.6}

/* 02 architecture */
.pf-layers{list-style:none;margin:0;padding:0;border-bottom:1px solid var(--pf-line2)}
.pf-layer{all:unset;box-sizing:border-box;position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);column-gap:16px;width:100%;
  padding:14px 0 14px 16px;border-top:1px solid var(--pf-line2);cursor:pointer;transition:background .4s}
.pf-layer::before{content:"";position:absolute;left:0;top:-1px;bottom:0;width:2px;background:var(--pd-signal);transform:scaleY(0);transform-origin:top;transition:transform .45s var(--pf-ease)}
.pf-layer .pf-code{grid-row:1 / 3;font-size:1.5rem;color:var(--pd-graphite);transition:color .2s}
.pf-layer-t b{display:block;font-size:clamp(1.1rem,.9rem + .6vw,1.5rem);font-weight:800;color:var(--pd-bone)}
.pf-layer-t em{display:block;margin-top:4px;font-style:normal;font-size:.94rem;color:var(--pd-ash)}
.pf-layer .pf-chips{grid-column:2;margin-top:12px}
.pf-layer:focus-visible{outline:2px solid var(--pd-signal);outline-offset:-2px}
.pf-layer.is-on{background:linear-gradient(90deg,#ec1c2418,transparent 75%)}
.pf-layer.is-on::before{transform:scaleY(1)}
.pf-layer.is-on .pf-code{color:var(--pd-signal)}
.pf-gov{display:flex;align-items:center;gap:16px;margin-top:18px;border:1px dashed var(--pf-line2)}
.pf-gov .pf-layer{border-top:0}
.pf-gov>em{flex:none;padding-right:16px;font-style:normal;font-family:var(--pd-mono);font-size:.7rem;letter-spacing:.14em;color:var(--pd-graphite)}

/* 03 loop */
.pf-stages{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 40px}
.pf-sno{font-family:var(--pd-mono);font-size:.76rem;letter-spacing:.22em;color:var(--pd-signal)}
.pf-stage h3{margin:10px 0 10px;font-family:var(--pd-serif);font-weight:900;font-size:clamp(2.2rem,1.4rem + 2vw,3.6rem);line-height:1;color:var(--pd-bone)}
.pf-stage h3 em{display:block;margin-top:10px;font-family:var(--pd-sans);font-style:normal;font-weight:500;font-size:clamp(1rem,.9rem + .4vw,1.3rem);letter-spacing:.08em;color:var(--pd-ash)}
.pf-stage p{margin:0;max-width:440px;line-height:1.85;font-size:.98rem}
.pf-quote{margin:34px 0 0;font-family:var(--pd-serif);font-style:italic;font-size:clamp(1.2rem,1rem + .8vw,1.8rem);color:var(--pd-bone)!important}
.pf-quote b{color:var(--pd-signal);font-weight:600}

/* 04 modules */
.pf-subsel{display:none}
.pf-js .pf-subsel{display:flex;gap:8px;overflow-x:auto;margin-bottom:22px;padding-bottom:4px}
.pf-subbtn{all:unset;box-sizing:border-box;position:relative;flex:none;display:grid;grid-template-columns:auto 1fr;column-gap:10px;align-items:center;
  padding:10px 16px 10px 12px;border:1px solid var(--pf-line2);cursor:pointer;transition:background .3s,border-color .3s}
.pf-subbtn .pf-code{grid-row:1 / 3;display:grid;place-items:center;width:42px;height:48px;font-size:.92rem;color:var(--pd-ash);
  background:var(--pf-line);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);transition:background .3s,color .3s}
.pf-subbtn b{font-size:.98rem;color:var(--pd-bone);white-space:nowrap}
.pf-subbtn em{font-style:normal;font-family:var(--pd-mono);font-size:.68rem;color:var(--pd-graphite);white-space:nowrap}
.pf-subbtn:focus-visible{outline:2px solid var(--pd-signal);outline-offset:2px}
.pf-subbtn[aria-selected="true"]{border-color:var(--pd-signal);background:#ec1c2414}
.pf-subbtn[aria-selected="true"] .pf-code{background:var(--pd-signal);color:var(--pd-ink)}
.pf-sub{margin-bottom:42px}
.pf-js .pf-sub:not(.is-on){display:none}
.pf-subhead{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 22px;align-items:end;margin-bottom:22px}
.pf-subhead>.pf-code{grid-row:1 / 3;font-family:var(--pd-sans);font-weight:900;font-stretch:84%;font-size:clamp(3.4rem,2rem + 3vw,6rem);line-height:.82;
  color:transparent;-webkit-text-stroke:1.4px var(--pd-signal)}
.pf-subhead div p{margin:0 0 4px;font-family:var(--pd-mono);font-size:.72rem;letter-spacing:.22em;color:var(--pd-signal)!important}
.pf-subhead h3{margin:0;font-size:clamp(1.6rem,1.2rem + 1.2vw,2.4rem);font-weight:900;color:var(--pd-bone)}
.pf-subhead em{display:block;margin-top:4px;font-style:normal;color:var(--pd-ash)}
.pf-subhead .pf-intro{grid-column:2;margin:4px 0 0;font-size:.94rem;line-height:1.8;max-width:760px}
.pf-cells{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));border-top:1px solid var(--pf-line2);border-left:1px solid var(--pf-line2)}
.pf-cell{padding:20px 20px 14px;border-right:1px solid var(--pf-line2);border-bottom:1px solid var(--pf-line2)}
.pf-cell h4{display:flex;align-items:baseline;gap:10px;margin:0 0 6px;padding-bottom:10px;border-bottom:1px solid var(--pf-line2)}
.pf-cell h4 span{font-family:var(--pd-mono);font-size:.72rem;color:var(--pd-signal)}
.pf-cell h4 b{font-size:1.14rem;color:var(--pd-bone)}
.pf-cell h4 em{margin-left:auto;font-style:normal;font-family:var(--pd-mono);font-size:.7rem;color:var(--pd-graphite)}
.pf-cell ul{list-style:none;margin:0;padding:0}
.pf-cell li{display:grid;grid-template-columns:7.4em 1fr;gap:10px;padding:9px 0;border-bottom:1px dashed var(--pf-line)}
.pf-cell li:last-child{border-bottom:0}
.pf-cell li b{color:var(--pd-bone);font-size:.92rem;line-height:1.6}
.pf-cell li span{font-size:.9rem;line-height:1.65}

/* 05 factory */
.pf-steps{list-style:none;margin:0 0 36px;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px}
.pf-steps li{padding-top:16px;border-top:1px solid var(--pf-line2);position:relative}
.pf-steps li::before{content:"";position:absolute;left:0;top:-1px;width:36px;height:2px;background:var(--pd-signal)}
.pf-steps span{font-family:var(--pd-mono);font-size:.8rem;letter-spacing:.14em;color:var(--pd-signal)}
.pf-steps b{display:block;margin-top:8px;font-size:clamp(1.08rem,.9rem + .5vw,1.35rem);font-weight:800;color:var(--pd-bone)}
.pf-steps em{display:block;margin-top:6px;font-style:normal;font-size:.9rem;line-height:1.6;color:var(--pd-ash)}
.pf-llm{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:12px 36px;padding-bottom:20px}
.pf-llm .pf-ph{grid-column:1 / -1}
.pf-llm-h{padding:0 0 0 20px}
.pf-llm-h .pf-ph{margin:0 0 14px -20px}
.pf-llm-h h3{margin:0 0 10px;font-size:clamp(1.3rem,1rem + .9vw,2rem);font-weight:900;line-height:1.3;color:var(--pd-bone)}
.pf-llm-h p{margin:0;line-height:1.8;font-size:.94rem}
.pf-llm ul{list-style:none;margin:0;padding:14px 20px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:16px 26px;align-content:center}
.pf-llm li{padding-left:14px;border-left:2px solid var(--pd-signal)}
.pf-llm li b{display:block;color:var(--pd-bone);font-size:1rem}
.pf-llm li span{display:block;margin-top:5px;font-size:.88rem;line-height:1.6}

/* 06 screens */
.pf-monitor{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.pf-shot{margin:0}
.pf-shot:first-child,.pf-shot:nth-child(4),.pf-shot:nth-child(5){grid-column:1 / -1}
.pf-shot a{display:block;position:relative;border:1px solid var(--pf-line2);background:#0e0e10;overflow:hidden}
.pf-shot img{display:block;width:100%;height:auto}
.pf-shot figcaption{display:flex;flex-wrap:wrap;gap:4px 14px;margin-top:12px}
.pf-shot figcaption b{font-family:var(--pd-mono);font-weight:500;font-size:.8rem;letter-spacing:.1em;color:var(--pd-signal)}
.pf-shot figcaption span{font-size:.94rem;color:var(--pd-ash)}
.pf-shotlist{display:none}

/* 07 control */
.pf-principles{list-style:none;margin:0 0 30px;padding:0;display:grid;gap:14px}
.pf-principles li{padding-left:16px;border-left:2px solid var(--pd-signal)}
.pf-principles b{display:block;color:var(--pd-bone);font-size:1.05rem}
.pf-principles span{display:block;margin-top:4px;font-size:.92rem;line-height:1.7}
.pf-cflow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid var(--pf-line2)}
.pf-cflow li{position:relative;padding:18px 18px 16px;border-left:1px solid var(--pf-line2);transition:background .4s}
.pf-cflow li:first-child{border-left:0}
.pf-cflow li:not(:last-child)::after{content:"→";position:absolute;right:-11px;top:18px;z-index:2;width:22px;height:22px;display:grid;place-items:center;
  font-family:var(--pd-mono);font-size:.8rem;color:var(--pd-signal);background:var(--pd-ink)}
.pf-cflow span{font-family:var(--pd-mono);font-size:.76rem;letter-spacing:.14em;color:var(--pd-graphite)}
.pf-cflow b{display:block;margin-top:10px;font-size:1.18rem;font-weight:800;color:var(--pd-bone)}
.pf-cflow em{display:block;margin-top:6px;font-style:normal;font-size:.88rem;line-height:1.6;color:var(--pd-ash)}
.pf-cflow .pf-gate{background:repeating-linear-gradient(-45deg,#ec1c241c 0 10px,transparent 10px 20px),var(--pd-ink2);box-shadow:inset 0 0 0 1px var(--pd-signal)}
.pf-cflow .pf-gate span{color:var(--pd-signal)}
.pf-cflow li.is-on{background:#ec1c2422}
.pf-cflow li.is-on span{color:var(--pd-signal)}

/* 08 delivery */
.pf-head-c{text-align:center}
.pf-head-c .pf-tag{justify-content:center}
.pf-head-c .pf-lead{margin:0 auto}
.pf-checks{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.pf-checks li{position:relative;padding:18px 18px 18px 18px;border:1px solid var(--pf-line2);background:var(--pf-panel)}
.pf-checks li::after{content:"READY";position:absolute;right:12px;top:12px;padding:2px 6px;border:1px solid #ec1c2499;font-family:var(--pd-mono);font-size:.62rem;
  letter-spacing:.16em;color:var(--pd-signal)}
.pf-checks span{font-family:var(--pd-mono);font-size:.76rem;letter-spacing:.16em;color:var(--pd-signal)}
.pf-checks b{display:block;margin-top:8px;font-size:1.14rem;color:var(--pd-bone)}
.pf-checks p{margin:6px 0 0;font-size:.9rem;line-height:1.7}

/* 09 audience */
.pf-auds{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.pf-auds li{padding:22px 22px 20px;border:1px solid var(--pf-line2);border-top:2px solid var(--pd-signal);background:var(--pf-panel);transition:background .4s,border-color .4s}
.pf-auds span{font-family:var(--pd-mono);font-size:.76rem;letter-spacing:.2em;color:var(--pd-signal)}
.pf-auds b{display:block;margin-top:12px;font-size:clamp(1.3rem,1rem + .8vw,1.8rem);font-weight:900;color:var(--pd-bone)}
.pf-auds p{margin:10px 0 0;line-height:1.85;font-size:.95rem}
.pf-auds li.is-on{background:#ec1c2414;border-color:#ec1c2499}

/* 10 contact */
.pf-cta{position:relative;max-width:900px}
.pf-slide-end{padding-bottom:0;border-bottom:0}
.pf-slide-end>.pf-in{padding-bottom:clamp(56px,8vh,96px)}
.pf-js .pf-slide-end{display:block}

/* ================= deck layout ================= */
.pf-deck-on,.pf-deck-on body{height:100%;overflow:hidden;overscroll-behavior:none}
.pf-deck-on .back-to-top{display:none!important}
.pf-deck-on .pf-deck{position:fixed;inset:0}
.pf-deck-on .pf-slide{position:absolute;inset:0;min-height:0;padding:0;border:0;visibility:hidden;opacity:0;pointer-events:none}
.pf-deck-on .pf-slide.is-active,.pf-deck-on .pf-slide.is-out{visibility:visible;opacity:1}
/* third-party widgets (the footer map) force visibility on their own nodes; keep them inside hidden chapters */
.pf-deck-on .pf-slide:not(.is-active):not(.is-out) *{visibility:hidden!important;pointer-events:none!important}
.pf-slide [tabindex="-1"]:focus{outline:none}
.pf-deck-on .pf-slide.is-active{pointer-events:auto}
/* --fit (set by JS per chapter) shrinks a chapter that would not fit a short screen; it never drops below .74 */
.pf-deck-on .pf-slide>.pf-in{position:absolute;left:var(--pf-l);top:var(--pf-top);margin:0;width:calc((100vw - var(--pf-l) - var(--pf-r)) / var(--fit,1));
  height:calc((100vh - var(--pf-top) - var(--pf-bot)) / var(--fit,1));scale:var(--fit,1);transform-origin:0 0}
.pf-deck-on .pf-slide.is-active [data-fx]{animation:pf-rise .95s var(--pf-ease) both;animation-delay:calc(var(--d,0)*85ms + 60ms)}
.pf-deck-on .pf-slide.is-active [data-fx="wipe"]{animation-name:pf-wipe;animation-duration:1.1s}
.pf-deck-on .pf-slide.is-active [data-fx="flick"]{animation-name:pf-flick;animation-duration:.9s;animation-timing-function:linear}
.pf-deck-on .pf-slide.is-out>*{animation:pf-out .52s cubic-bezier(.5,0,.75,0) both}
@keyframes pf-rise{from{opacity:0;transform:translateY(26px);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}
@keyframes pf-fade{from{opacity:0;filter:blur(8px)}to{opacity:1;filter:none}}
@keyframes pf-wipe{from{opacity:.3;clip-path:inset(0 100% 0 0)}to{opacity:1;clip-path:inset(0 0 0 0)}}
@keyframes pf-flick{0%{opacity:0}8%{opacity:1}12%{opacity:.15}20%{opacity:1}28%{opacity:.35}36%,100%{opacity:1}}
@keyframes pf-out{0%{opacity:1;translate:0 0;clip-path:inset(0 0 0 0)}
  18%{translate:-14px 0;clip-path:inset(10% 0 42% 0)}34%{translate:12px 0;transform:skewX(-4deg);clip-path:inset(56% 0 8% 0)}
  52%{opacity:.7;translate:-5px 0;transform:none;clip-path:inset(28% 0 30% 0)}76%{opacity:.3;clip-path:inset(47% 0 47% 0)}100%{opacity:0;translate:0 0;clip-path:inset(50% 0 50% 0)}}

/* 00 hero */
.pf-deck-on .pf-s-hero>.pf-in{display:flex;flex-direction:column;justify-content:safe center;padding-bottom:15vh}
.pf-deck-on .pf-s-hero .pf-crumbs{position:absolute;top:0;left:0;margin:0}
.pf-deck-on .pf-s-hero .pf-h1{max-width:min(980px,58vw)}
.pf-deck-on .pf-s-hero .pf-lead{max-width:min(640px,44vw)}
.pf-deck-on .pf-kpis{position:absolute;left:0;bottom:0;width:min(960px,60vw);margin:0}
.pf-boot{position:absolute;right:0;bottom:0;width:min(360px,26vw);padding:10px 0 12px;font-family:var(--pd-mono);font-size:.68rem;line-height:1.85;letter-spacing:.06em;color:var(--pd-ash)}
.pf-scroll .pf-boot{display:none}
.pf-boot .pf-ph{margin-bottom:8px}
.pf-boot div{padding:0 16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pf-boot div b{color:var(--pd-signal);font-weight:500}
.pf-boot div.is-last{color:var(--pd-bone)}

/* 01 value: fragments on the left, the platform core between, value on the right */
.pf-deck-on .pf-s-value>.pf-in{display:grid;grid-template-columns:minmax(0,28fr) minmax(0,31fr) minmax(0,33fr);grid-template-rows:auto minmax(0,1fr);column-gap:2vw}
.pf-deck-on .pf-s-value .pf-head{grid-column:1 / -1;max-width:min(1160px,76vw);margin-bottom:2vh}
.pf-deck-on .pf-s-value .pf-lead{max-width:none}
.pf-deck-on .pf-pillars span{font-size:.85rem}
.pf-deck-on .pf-before{grid-column:1;grid-row:2;align-self:safe center;margin:0}
.pf-deck-on .pf-after{grid-column:3;grid-row:2;align-self:safe center;margin:0}
.pf-deck-on .pf-frags li{padding-top:clamp(5px,1vh,10px);padding-bottom:clamp(5px,1vh,10px)}
.pf-deck-on .pf-pillars li{padding-top:clamp(6px,1.05vh,11px);padding-bottom:clamp(6px,1.05vh,11px)}

/* 02 architecture: left column only, the stack lives in the particle field */
.pf-deck-on .pf-s-architecture>.pf-in{width:calc(min(640px,44vw) / var(--fit,1));display:flex;flex-direction:column;justify-content:safe center}
.pf-deck-on .pf-s-architecture .pf-head{margin-bottom:2.2vh}
.pf-deck-on .pf-s-architecture .pf-h2{font-size:clamp(1.8rem,.9rem + 1.2vw + 1.4vh,3.3rem);white-space:nowrap}
.pf-deck-on .pf-gov{margin-top:1.4vh}
.pf-deck-on .pf-layer{grid-template-columns:54px minmax(0,1fr);padding-top:clamp(8px,1.3vh,13px);padding-bottom:clamp(8px,1.3vh,13px)}
.pf-deck-on .pf-layer .pf-code{font-size:1.2rem}
.pf-deck-on .pf-layer-t{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 14px}
.pf-deck-on .pf-layer-t b{font-size:clamp(1.05rem,.8rem + .9vh,1.35rem)}
.pf-deck-on .pf-layer-t em{margin:0;font-size:.86rem}
.pf-deck-on .pf-s-architecture .pf-lead{font-size:.95rem}
.pf-js .pf-layer .pf-chips{max-height:0;margin-top:0;overflow:hidden;opacity:0;transition:max-height .6s var(--pf-ease),opacity .35s,margin-top .35s}
.pf-js .pf-layer.is-on .pf-chips{max-height:90px;margin-top:10px;opacity:1}

/* 03 loop: four stages around the ring (ring centre 53vh, radius 21vh; matches pdoom-platform.js) */
.pf-s-loop{--ry:51vh;--rr:17vh}
.pf-deck-on .pf-s-loop>.pf-in{position:static;width:auto;height:auto;scale:none}
.pf-deck-on .pf-s-loop .pf-head{position:absolute;left:var(--pf-l);bottom:var(--pf-bot);width:min(29vw,430px);margin:0}
.pf-deck-on .pf-s-loop .pf-h2{font-size:clamp(1.6rem,.8rem + 1vw + 1.2vh,2.5rem);white-space:nowrap}
.pf-deck-on .pf-s-loop .pf-lead{font-size:.92rem}
.pf-deck-on .pf-stages{display:block}
.pf-deck-on .pf-stage{position:absolute;width:min(23vw,330px);transition:opacity .5s}
.pf-deck-on .pf-stage[data-pos="n"],.pf-deck-on .pf-stage[data-pos="s"]{width:min(35vw,500px)}
.pf-deck-on .pf-stage[data-pos="n"]{left:50%;top:calc(var(--ry) - var(--rr) - 2.2vh);translate:-50% -100%;text-align:center}
.pf-deck-on .pf-stage[data-pos="e"]{left:calc(50% + var(--rr) + 3.4vw);top:var(--ry);translate:0 -50%}
.pf-deck-on .pf-stage[data-pos="s"]{left:50%;top:calc(var(--ry) + var(--rr) + 2.2vh);translate:-50% 0;text-align:center}
.pf-deck-on .pf-stage[data-pos="w"]{right:calc(50% + var(--rr) + 3.4vw);top:var(--ry);translate:0 -50%;text-align:right}
.pf-deck-on .pf-stage[data-pos="n"] p,.pf-deck-on .pf-stage[data-pos="s"] p{margin:0 auto}
.pf-deck-on .pf-stage[data-pos="w"] p{margin-left:auto}
.pf-deck-on .pf-stage h3{font-size:clamp(1.6rem,.8rem + .8vw + 2vh,3rem);margin:4px 0}
.pf-deck-on .pf-stage h3 em{margin-top:6px}
.pf-deck-on .pf-stage p{font-size:.9rem;line-height:1.7;max-width:none}
.pf-js.pf-deck-on .pf-stage{opacity:.42}
.pf-js.pf-deck-on .pf-stage.is-on{opacity:1}
.pf-deck-on .pf-stage.is-on h3{text-shadow:0 0 40px #ec1c2459}
.pf-deck-on .pf-quote{position:absolute;right:var(--pf-r);bottom:var(--pf-bot);margin:0;max-width:25vw;text-align:right;font-size:clamp(1.05rem,.7rem + .7vw,1.45rem);line-height:1.6}

/* 04 modules: subsystem selector | honeycomb of boards | read-out */
.pf-deck-on .pf-s-modules>.pf-in{display:grid;grid-template-columns:minmax(168px,13vw) calc(var(--hx)*3 + 6px) minmax(0,1fr);
  grid-template-rows:auto minmax(0,1fr);grid-template-areas:"head head sub" "sel cells read";column-gap:2.4vw;row-gap:1.4vh}
.pf-deck-on .pf-s-modules .pf-head{grid-area:head;margin:0}
.pf-deck-on .pf-s-modules .pf-lead{font-size:.88rem;max-width:none}
.pf-deck-on .pf-subsel{grid-area:sel;flex-direction:column;justify-content:safe center;gap:clamp(4px,.8vh,8px);margin:0;overflow:visible}
.pf-deck-on .pf-subbtn{padding:6px 10px 6px 6px;border-color:transparent;grid-template-columns:auto minmax(0,1fr)}
.pf-deck-on .pf-subbtn .pf-code{width:38px;height:44px}
.pf-deck-on .pf-subbtn b{font-size:.92rem}
.pf-deck-on .pf-subbtn:hover{border-color:var(--pf-line2)}
.pf-deck-on .pf-subbtn[aria-selected="true"]{border-color:var(--pd-signal)}
.pf-deck-on .pf-subs,.pf-deck-on .pf-sub.is-on{display:contents}
.pf-deck-on .pf-sub:not(.is-on){display:none}
.pf-deck-on .pf-subhead{grid-area:sub;align-self:end;margin:0;grid-template-columns:auto minmax(0,1fr);column-gap:16px}
.pf-deck-on .pf-subhead>.pf-code{font-size:clamp(3rem,2rem + 4vh,5.4rem)}
.pf-deck-on .pf-subhead h3{font-size:clamp(1.4rem,1rem + 2vh,2.2rem)}
.pf-deck-on .pf-subhead .pf-intro{font-size:.82rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pf-deck-on .pf-cells{grid-area:cells;display:block;position:relative;align-self:safe center;width:calc(var(--hx)*3);height:calc(var(--hy)*2.5);border:0}
.pf-deck-on .pf-cell{position:absolute;width:var(--hx);height:var(--hy);padding:0;border:0;cursor:pointer;
  left:calc(50% + var(--cx)*var(--hx)/2 - var(--hx)/2);top:calc(50% + var(--cy)*var(--hy)*.75 - var(--hy)/2);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);background:#f1f0ed10;transition:background .35s}
.pf-deck-on .pf-cell::before{content:"";position:absolute;inset:1.5px;clip-path:inherit;background:#0b0b0de0;transition:background .35s}
.pf-deck-on .pf-cell:hover{background:#f1f0ed30}
.pf-deck-on .pf-cell.is-on{background:var(--pd-signal)}
.pf-deck-on .pf-cell.is-on::before{background:radial-gradient(circle at 50% 40%,#4a0a0eee,#16090af2 70%)}
.pf-deck-on .pf-cell:focus-visible{outline:none}
.pf-deck-on .pf-cell:focus-visible::before{background:#2a0b0dee}
.pf-deck-on .pf-cell h4{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;margin:0;padding:0 12px;border:0;text-align:center}
.pf-deck-on .pf-cell h4 span{font-size:.66rem;letter-spacing:.12em}
.pf-deck-on .pf-cell h4 b{font-size:clamp(.86rem,.6rem + 1vh,1.08rem);line-height:1.3}
.pf-deck-on .pf-cell h4 em{margin:0;font-size:.64rem}
.pf-deck-on .pf-cell.is-on h4 em{color:var(--pd-ember)}
.pf-deck-on .pf-cell ul{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
.pf-readout{display:none}
.pf-deck-on .pf-readout{grid-area:read;display:flex;flex-direction:column;align-self:safe center;max-height:100%;min-height:0}
.pf-ro-t{margin:0;padding:10px 18px 2px;font-size:clamp(1.15rem,.85rem + 1.4vh,1.65rem);font-weight:900;color:var(--pd-bone)}
.pf-ro-l{list-style:none;margin:0;padding:4px 18px 6px;overflow:auto;min-height:0}
.pf-ro-l li{display:grid;grid-template-columns:26px 7.4em minmax(0,1fr);gap:10px;align-items:baseline;padding:clamp(3px,.62vh,7px) 0;border-bottom:1px dashed var(--pf-line);
  animation:pf-type .5s var(--pf-ease) both;animation-delay:calc(var(--k)*45ms)}
.pf-ro-l li:last-child{border-bottom:0}
.pf-ro-l i{font-style:normal;font-family:var(--pd-mono);font-size:.7rem;color:var(--pd-signal)}
.pf-ro-l b{color:var(--pd-bone);font-size:.9rem;line-height:1.5}
.pf-ro-l span{font-size:.82rem;line-height:1.5;color:var(--pd-ash)}
.pf-ro-f{margin:0;padding:8px 18px 10px;border-top:1px solid var(--pf-line);font-family:var(--pd-mono);font-size:.68rem;letter-spacing:.1em;color:var(--pd-graphite)!important}
@keyframes pf-type{from{opacity:0;clip-path:inset(0 100% 0 0)}to{opacity:1;clip-path:inset(0 0 0 0)}}

/* 05 factory: the conduit runs above the steps (anchored in pdoom-platform.js) */
.pf-deck-on .pf-s-factory>.pf-in{display:grid;grid-template-rows:auto minmax(0,1fr) auto}
.pf-deck-on .pf-s-factory .pf-head{margin-bottom:0;max-width:none}
.pf-deck-on .pf-s-factory .pf-lead{max-width:none}
.pf-deck-on .pf-steps{align-self:end;margin:0 0 3.4vh;gap:1.6vw}
.pf-deck-on .pf-steps li{border-top-color:transparent}
.pf-deck-on .pf-steps li::before{display:none}
.pf-deck-on .pf-steps li.is-on b{color:var(--pd-signal)}
.pf-deck-on .pf-llm{margin:0}

/* 06 screens: one monitor, a channel list */
.pf-deck-on .pf-s-screens>.pf-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,23vw);grid-template-rows:auto minmax(0,1fr);column-gap:2.6vw}
.pf-deck-on .pf-s-screens .pf-head{grid-column:1 / -1;margin-bottom:2.4vh}
.pf-deck-on .pf-monitor{grid-column:1;grid-row:2;display:block;position:relative;min-height:0;margin-bottom:1vh}
.pf-deck-on .pf-monitor::before{content:attr(data-label);position:absolute;left:0;top:-1px;z-index:3;padding:4px 10px;background:var(--pd-signal);color:var(--pd-ink);
  font-family:var(--pd-mono);font-size:.66rem;letter-spacing:.16em}
.pf-deck-on .pf-monitor::after{content:"";position:absolute;inset:-8px;z-index:3;pointer-events:none;
  background:linear-gradient(var(--pd-signal),var(--pd-signal)) 0 0/22px 2px,linear-gradient(var(--pd-signal),var(--pd-signal)) 0 0/2px 22px,
  linear-gradient(var(--pd-signal),var(--pd-signal)) 100% 0/22px 2px,linear-gradient(var(--pd-signal),var(--pd-signal)) 100% 0/2px 22px,
  linear-gradient(var(--pd-signal),var(--pd-signal)) 0 100%/22px 2px,linear-gradient(var(--pd-signal),var(--pd-signal)) 0 100%/2px 22px,
  linear-gradient(var(--pd-signal),var(--pd-signal)) 100% 100%/22px 2px,linear-gradient(var(--pd-signal),var(--pd-signal)) 100% 100%/2px 22px;background-repeat:no-repeat}
.pf-deck-on .pf-shot{position:absolute;inset:0;display:flex;flex-direction:column;opacity:0;visibility:hidden;transition:opacity .55s,visibility 0s .55s}
.pf-deck-on .pf-shot.is-on{opacity:1;visibility:inherit;transition:opacity .55s}
.pf-deck-on .pf-shot a{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:26px 14px 14px;background:#0d0d0f}
.pf-deck-on .pf-shot a::after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,#0000 0 2px,#00000012 2px 3px)}
.pf-deck-on .pf-shot img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;box-shadow:0 18px 60px #000a}
.pf-deck-on .pf-shot.is-on img{animation:pf-crt .7s var(--pf-ease) both}
@keyframes pf-crt{0%{opacity:0;transform:scaleY(.02) scaleX(.6);filter:brightness(4)}35%{opacity:1;transform:scaleY(.05) scaleX(1)}100%{transform:none;filter:none}}
.pf-js .pf-shotlist{list-style:none;margin:0;padding:0}
.pf-deck-on .pf-shotlist{grid-column:2;grid-row:2;align-self:safe center;display:flex;flex-direction:column;gap:6px}
.pf-shotlist button{all:unset;box-sizing:border-box;display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:center;width:100%;padding:12px 14px;
  border:1px solid var(--pf-line2);cursor:pointer;transition:background .3s,border-color .3s;position:relative;overflow:hidden}
.pf-shotlist span{font-family:var(--pd-mono);font-size:.76rem;color:var(--pd-graphite)}
.pf-shotlist b{font-size:.92rem;color:var(--pd-ash);font-weight:600;line-height:1.45}
.pf-shotlist button:hover{border-color:var(--pd-ash)}
.pf-shotlist button:focus-visible{outline:2px solid var(--pd-signal);outline-offset:2px}
.pf-shotlist button.is-on{border-color:var(--pd-signal);background:#ec1c2414}
.pf-shotlist button.is-on span{color:var(--pd-signal)}
.pf-shotlist button.is-on b{color:var(--pd-bone)}
.pf-shotlist button i{position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--pd-signal);transform-origin:left;transform:scaleX(0)}

/* 07 control */
.pf-deck-on .pf-s-control>.pf-in{display:grid;grid-template-columns:minmax(0,31%) minmax(0,1fr) min(400px,28vw);grid-template-rows:auto minmax(0,1fr) auto;column-gap:2.4vw}
.pf-deck-on .pf-s-control .pf-head{grid-column:1 / 3;grid-row:1;margin-bottom:1.6vh}
.pf-deck-on .pf-s-control .pf-lead{max-width:min(780px,54vw)}
.pf-deck-on .pf-principles{grid-column:1;grid-row:2;align-self:safe center;margin:0}
.pf-deck-on .pf-principles li{padding-top:0}
.pf-deck-on .pf-cflow{grid-column:1 / -1;grid-row:3;margin-top:2vh}
.pf-console{display:none}
.pf-deck-on .pf-console{display:block;grid-column:3;grid-row:1 / 3;align-self:safe center;font-family:var(--pd-mono);font-size:.72rem}
.pf-console ol{list-style:none;margin:0;padding:8px 0 10px}
.pf-console li{display:grid;grid-template-columns:62px 1fr 34px;gap:8px;align-items:baseline;padding:7px 16px;opacity:.18;transition:opacity .35s,background .35s}
.pf-console li b{font-weight:500;letter-spacing:.12em;color:var(--pd-graphite)}
.pf-console li span{color:var(--pd-ash);font-family:var(--pd-sans);font-size:.84rem;line-height:1.5}
.pf-console li em{font-style:normal;text-align:right;color:var(--pd-graphite)}
.pf-console li.is-done{opacity:1}
.pf-console li.is-done b{color:var(--pd-signal)}
.pf-console li.is-done em{color:var(--pd-bone)}
.pf-console li.is-now{opacity:1;background:#ec1c241a}
.pf-console li.is-now em{color:var(--pd-signal);animation:pf-blink .5s steps(2,jump-none) infinite}
.pf-console li.is-gate{background:repeating-linear-gradient(-45deg,#ec1c2426 0 8px,transparent 8px 16px)}
.pf-console p.pf-cnote{margin:0;padding:8px 16px 10px;border-top:1px solid var(--pf-line);font-size:.64rem;letter-spacing:.12em;color:var(--pd-graphite)!important}

/* 08 delivery: three checks either side of the dome */
.pf-deck-on .pf-s-delivery>.pf-in{display:grid;grid-template-rows:auto minmax(0,1fr)}
.pf-deck-on .pf-s-delivery .pf-head{justify-self:center;max-width:min(980px,64vw);margin-bottom:0}
.pf-deck-on .pf-checks{grid-template-columns:min(25vw,330px) minmax(0,1fr) min(25vw,330px);grid-template-rows:repeat(3,auto);align-content:safe center;row-gap:3vh;column-gap:0}
.pf-deck-on .pf-checks li:nth-child(-n+3){grid-column:1}
.pf-deck-on .pf-checks li:nth-child(n+4){grid-column:3}
.pf-deck-on .pf-checks li:nth-child(1),.pf-deck-on .pf-checks li:nth-child(4){grid-row:1}
.pf-deck-on .pf-checks li:nth-child(2),.pf-deck-on .pf-checks li:nth-child(5){grid-row:2}
.pf-deck-on .pf-checks li:nth-child(3),.pf-deck-on .pf-checks li:nth-child(6){grid-row:3}
.pf-deck-on .pf-checks li{padding:14px 16px}
.pf-deck-on .pf-checks li::after{opacity:.25;transition:opacity .3s}
.pf-deck-on .pf-checks li.is-ok::after{opacity:1}

/* 09 audience */
.pf-deck-on .pf-s-audience>.pf-in{display:grid;grid-template-rows:auto minmax(0,1fr) auto}
.pf-deck-on .pf-auds{grid-row:3}

/* 10 contact + site footer (moved in by JS) */
.pf-deck-on .pf-slide-end{overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#ec1c2466 transparent}
.pf-deck-on .pf-slide-end>.pf-in{position:relative;inset:auto;width:auto;height:auto;scale:none;min-height:58vh;display:flex;align-items:center;padding:var(--pf-top) var(--pf-r) 4vh var(--pf-l)}
.pf-deck-on .pf-slide-end .site-footer{padding-bottom:84px}
.pf-deck-on .pf-slide-end .philosophy-strip,.pf-deck-on .pf-slide-end .site-footer{position:relative;z-index:1;background:#0a0a0be6}


/* ================= short screens (most laptops: 650–860px tall viewports) ================= */
@media(max-height:860px){
  .pf-deck-on .pf-subbtn{padding:3px 8px 3px 4px}
  .pf-deck-on .pf-subbtn .pf-code{width:32px;height:36px;font-size:.82rem}
  .pf-deck-on .pf-subbtn b{font-size:.86rem}
  .pf-deck-on .pf-s-hero>.pf-in{padding-bottom:13vh}
  .pf-deck-on{--pf-top:104px;--pf-bot:78px}
  .pf-deck-on .pf-bar{height:42px;bottom:14px}
  .pf-deck-on .pf-bar>button{width:32px;height:32px}
  .pf-deck-on .pf-corner.tl,.pf-deck-on .pf-corner.tr{top:104px}
  .pf-deck-on .pf-corner.bl,.pf-deck-on .pf-corner.br{bottom:10px}
  .pf-deck-on .pf-h2{font-size:clamp(1.7rem,.6rem + 1.5vw + 2vh,3.3rem)}
  .pf-deck-on .pf-head{margin-bottom:1.8vh}
  .pf-deck-on .pf-tag,.pf-deck-on .pf-kicker{margin-bottom:10px}
  .pf-deck-on .pf-lead{font-size:.92rem;line-height:1.7}
  .pf-deck-on .pf-ph{padding:7px 14px}
  .pf-deck-on .pf-s-modules .pf-subhead .pf-intro{display:none}
  .pf-deck-on .pf-s-loop{--ry:52vh;--rr:15vh}
  .pf-deck-on .pf-stage[data-pos="n"],.pf-deck-on .pf-stage[data-pos="s"]{width:min(44vw,600px)}
  .pf-deck-on .pf-stage h3{font-size:clamp(1.4rem,.6rem + .8vw + 2vh,2.4rem)}
  .pf-deck-on .pf-stage h3 em{font-size:.92rem;margin-top:3px}
  .pf-deck-on .pf-stage p{font-size:.8rem;line-height:1.6}
  .pf-deck-on .pf-ro-l span{font-size:.78rem}
  .pf-deck-on .pf-llm-h p{display:none}
  .pf-deck-on .pf-checks{row-gap:2vh}
  .pf-deck-on .pf-s-value .pf-lead{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
  .pf-deck-on .pf-frags li{padding-top:4px;padding-bottom:4px}
  .pf-deck-on .pf-frags b{font-size:.92rem}
  .pf-deck-on .pf-frags span{font-size:.8rem}
  .pf-deck-on .pf-pillars li{padding-top:5px;padding-bottom:5px;grid-template-columns:24px 5em 1fr;gap:8px}
  .pf-deck-on .pf-pillars b{font-size:.94rem}
  .pf-deck-on .pf-pillars span{font-size:.8rem;line-height:1.45}
  .pf-deck-on .pf-pain{padding:7px 14px}
  .pf-deck-on .pf-checks li{padding:10px 14px}
  .pf-deck-on .pf-checks b{margin-top:4px;font-size:1.04rem}
  .pf-deck-on .pf-checks p{font-size:.82rem;line-height:1.6}
}

/* ================= stage chrome (created by JS) ================= */
.pf-gl,.pf-hudc{position:fixed;inset:0;width:100%;height:100%;pointer-events:none}
.pf-gl{z-index:0}
.pf-hudc{z-index:1}
.pf-scroll .pf-gl{opacity:.6}
.pf-vig{position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(ellipse 120% 90% at 50% 50%,transparent 58%,#000000a6 100%)}
.pf-lines{position:fixed;inset:0;z-index:35;pointer-events:none;opacity:.5;background:repeating-linear-gradient(0deg,#f1f0ed05 0 1px,transparent 1px 3px)}
.pf-chrome{display:none}
.pf-deck-on .pf-chrome{display:block}
.pf-status{position:fixed;left:0;right:0;top:76px;z-index:30;height:24px;display:flex;align-items:center;gap:28px;padding:0 var(--pf-r) 0 var(--pf-l);
  border-bottom:1px solid var(--pf-line);background:#0a0a0b8c;font-family:var(--pd-mono);font-size:.62rem;letter-spacing:.18em;color:var(--pd-graphite);pointer-events:none}
.pf-status b{font-weight:500;color:var(--pd-ash)}
.pf-status .pf-st-ch{color:var(--pd-bone)}
.pf-status .pf-st-ch i{font-style:normal;color:var(--pd-signal)}
.pf-status .pf-st-r{margin-left:auto}
.pf-status .pf-st-sys b{color:var(--pd-signal)}
.pf-corner{position:fixed;z-index:30;width:26px;height:26px;pointer-events:none;border:0 solid #ec1c24b3}
.pf-corner.tl{left:16px;top:108px;border-left-width:1px;border-top-width:1px}
.pf-corner.tr{right:16px;top:108px;border-right-width:1px;border-top-width:1px}
.pf-corner.bl{left:16px;bottom:16px;border-left-width:1px;border-bottom-width:1px}
.pf-corner.br{right:16px;bottom:16px;border-right-width:1px;border-bottom-width:1px}
.pf-vtext{position:fixed;left:14px;top:50%;z-index:30;translate:0 -50%;writing-mode:vertical-rl;font-family:var(--pd-serif);font-size:.78rem;letter-spacing:.5em;
  color:var(--pd-graphite);pointer-events:none;white-space:nowrap}
.pf-vtext b{color:var(--pd-signal);font-weight:600}
.pf-ruler{position:fixed;z-index:30;pointer-events:none;opacity:.6}
.pf-ruler.l{left:0;top:130px;bottom:90px;width:8px;background:repeating-linear-gradient(180deg,var(--pf-line2) 0 1px,transparent 1px 8px),
  repeating-linear-gradient(180deg,#f1f0ed66 0 1px,transparent 1px 64px);background-size:5px 100%,8px 100%;background-repeat:repeat-y}
.pf-sweep{position:fixed;left:0;right:0;top:0;z-index:36;height:160px;pointer-events:none;opacity:0;
  background:linear-gradient(180deg,transparent,#ec1c2412 60%,#ec1c2466 95%,#ff5a5fcc 99%,transparent)}
.pf-sweep.is-on{animation:pf-sweep .85s cubic-bezier(.65,0,.35,1) both}
.pf-sweep.is-up{transform:scaleY(-1)}
.pf-sweep.is-up.is-on{animation-name:pf-sweep-up}
@keyframes pf-sweep{0%{opacity:1;translate:0 -170px}100%{opacity:1;translate:0 calc(100vh + 10px)}}
@keyframes pf-sweep-up{0%{opacity:1;translate:0 calc(100vh + 10px)}100%{opacity:1;translate:0 -170px}}

/* title card: big serif, one horizontal and one vertical line, like an episode card */
.pf-card{position:fixed;inset:0;z-index:45;display:grid;place-items:center;pointer-events:none;opacity:0;visibility:hidden}
.pf-card::before{content:"";position:absolute;inset:0;background:#0a0a0ba8}
.pf-card.is-on{visibility:visible;animation:pf-card 1.05s linear both}
.pf-card-in{position:relative;display:grid;grid-template-columns:auto auto;grid-template-rows:auto auto;column-gap:clamp(20px,2.4vw,44px);align-items:start;color:var(--pd-bone)}
.pf-card-no{grid-column:1;grid-row:1;align-self:end;margin-bottom:1.4vh;font-family:var(--pd-serif);font-weight:700;font-size:clamp(1rem,2.4vh,1.6rem);letter-spacing:.42em}
.pf-card-h{grid-column:1;grid-row:2;font-family:var(--pd-serif);font-weight:900;font-size:clamp(3.4rem,14vh,10rem);line-height:.96;letter-spacing:-.03em;white-space:nowrap;
  transform-origin:left top;transform:scaleY(1.06)}
.pf-card-v{grid-column:2;grid-row:1 / 3;writing-mode:vertical-rl;font-family:var(--pd-serif);font-weight:900;font-size:clamp(2.4rem,8.6vh,6.4rem);line-height:1;letter-spacing:.02em;white-space:nowrap}
.pf-card-en{position:absolute;left:0;bottom:-3.6vh;font-family:var(--pd-mono);font-size:.74rem;letter-spacing:.42em;color:var(--pd-signal)}
.pf-card[data-v="2"] .pf-card-in{grid-template-columns:auto auto}
.pf-card[data-v="2"] .pf-card-v{grid-column:1;grid-row:1 / 3}
.pf-card[data-v="2"] .pf-card-no,.pf-card[data-v="2"] .pf-card-h{grid-column:2}
.pf-card[data-v="2"] .pf-card-h{align-self:end}
.pf-card[data-v="2"] .pf-card-en{left:auto;right:0}
.pf-card[data-v="3"] .pf-card-h{color:var(--pd-signal)}
.pf-card.is-on .pf-card-in{animation:pf-card-in 1.05s var(--pf-ease) both}
@keyframes pf-card{0%{opacity:0}7%{opacity:1}10%{opacity:.35}14%{opacity:1}74%{opacity:1}100%{opacity:0}}
@keyframes pf-card-in{0%{transform:scale(1.06);filter:blur(10px)}22%{transform:scale(1.01);filter:none}100%{transform:scale(.99)}}

/* chapter rail */
.pf-rail{position:fixed;right:18px;top:50%;z-index:40;translate:0 -50%;display:flex;flex-direction:column;gap:2px}
.pf-rail button{all:unset;box-sizing:border-box;position:relative;display:flex;align-items:center;justify-content:flex-end;gap:10px;height:30px;padding:0 4px 0 10px;cursor:pointer}
.pf-rail i{font-style:normal;font-family:var(--pd-mono);font-size:.68rem;letter-spacing:.1em;color:var(--pd-graphite);transition:color .2s}
.pf-rail span{position:absolute;right:46px;padding:3px 9px;font-size:.78rem;white-space:nowrap;color:var(--pd-bone);background:#0a0a0be6;border:1px solid var(--pf-line2);
  opacity:0;translate:8px 0;transition:opacity .2s,translate .3s var(--pf-ease);pointer-events:none}
.pf-rail button::after{content:"";width:12px;height:1px;background:var(--pf-line2);transition:width .3s var(--pf-ease),background .2s}
.pf-rail button:hover span,.pf-rail button:focus-visible span{opacity:1;translate:0 0}
.pf-rail button:hover i{color:var(--pd-bone)}
.pf-rail button:focus-visible{outline:1px solid var(--pd-signal)}
.pf-rail button.is-on i{color:var(--pd-signal)}
.pf-rail button.is-on::after{width:26px;background:var(--pd-signal)}
.pf-rail button.is-seen:not(.is-on)::after{background:var(--pd-ash)}

/* transport bar: a timeline you can click, like a video */
.pf-bar{position:fixed;left:var(--pf-l);right:var(--pf-r);bottom:18px;z-index:40;height:48px;display:flex;align-items:center;gap:14px;padding:0 14px 0 6px;
  border:1px solid var(--pf-line2);background:#0a0a0bd9;backdrop-filter:blur(8px);font-family:var(--pd-mono)}
.pf-bar>button{all:unset;box-sizing:border-box;flex:none;display:grid;place-items:center;width:36px;height:36px;color:var(--pd-bone);font-size:.8rem;cursor:pointer;
  border:1px solid transparent;transition:border-color .2s,background .2s,color .2s}
.pf-bar>button:hover{border-color:var(--pf-line2)}
.pf-bar>button:focus-visible{outline:2px solid var(--pd-signal)}
.pf-bar>button:disabled{opacity:.3;cursor:default}
.pf-bar>button.pf-play{background:var(--pd-signal);color:var(--pd-ink)}
.pf-bar>button.pf-play:hover{background:var(--pd-bone)}
.pf-bar>button.pf-snd{width:auto;padding:0 10px;font-size:.66rem;letter-spacing:.12em;white-space:nowrap;color:var(--pd-bone);border-color:var(--pf-line2)}
.pf-bar>button.pf-snd.is-off{color:var(--pd-graphite)}
.pf-bar>button.pf-snd.is-wait{color:var(--pd-signal);border-color:#ec1c2499;animation:pf-blink 1.2s steps(2,jump-none) infinite}
.pf-bar>button.pf-snd[hidden]{display:none}
.pf-wave{flex:none;width:108px;height:26px}
.pf-sync{flex:none;width:92px;font-size:.62rem;letter-spacing:.12em;color:var(--pd-graphite)}
.pf-sync b{display:block;font-size:.8rem;font-weight:500;color:var(--pd-bone);letter-spacing:.06em}
.pf-track{flex:1;min-width:120px;display:flex;gap:3px;height:100%;align-items:center}
.pf-seg{all:unset;box-sizing:border-box;position:relative;flex:1;height:22px;cursor:pointer}
.pf-seg::before{content:"";position:absolute;left:0;right:0;top:50%;height:4px;margin-top:-2px;background:var(--pf-line2);transition:background .2s}
.pf-seg i{position:absolute;left:0;right:0;top:50%;height:4px;margin-top:-2px;background:var(--pd-signal);transform-origin:left;transform:scaleX(0)}
.pf-seg.is-done i{transform:scaleX(1);background:#ec1c2499}
.pf-seg.is-on::before{background:#f1f0ed66}
.pf-seg:hover::before{background:var(--pd-ash)}
.pf-seg:focus-visible{outline:1px solid var(--pd-signal)}
.pf-seg b{position:absolute;bottom:100%;left:50%;translate:-50% 0;margin-bottom:6px;padding:2px 8px;font-weight:400;font-size:.68rem;white-space:nowrap;color:var(--pd-bone);
  background:#0a0a0bf0;border:1px solid var(--pf-line2);opacity:0;transition:opacity .2s;pointer-events:none}
.pf-seg:hover b,.pf-seg:focus-visible b{opacity:1}
.pf-seg em{position:absolute;top:50%;width:1px;height:8px;margin-top:-4px;background:var(--pd-ink)}
.pf-tc{flex:none;font-size:.7rem;letter-spacing:.1em;color:var(--pd-ash);font-variant-numeric:tabular-nums}
.pf-chap{flex:none;width:168px;font-size:.66rem;letter-spacing:.14em;color:var(--pd-bone);text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pf-chap i{font-style:normal;color:var(--pd-signal)}
.pf-hint{display:none}
.pf-deck-on .pf-hint{display:inline-flex;align-self:center;align-items:center;gap:10px;margin-left:8px;padding:8px 4px;cursor:pointer;
  border:0;background:transparent;font-family:var(--pd-mono);font-size:.66rem;letter-spacing:.22em;color:var(--pd-ash);transition:opacity .5s}
.pf-hint::after{content:"";width:1px;height:22px;background:linear-gradient(var(--pd-signal),transparent);animation:pf-drop 1.6s var(--pf-ease) infinite}
.pf-hint:hover{color:var(--pd-bone)}
.pf-hint.is-gone{opacity:0;pointer-events:none}
@keyframes pf-drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ================= responsive (scroll layout) ================= */
@media(max-width:1100px){
  .pf-steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .pf-cflow{grid-template-columns:1fr}
  .pf-cflow li{border-left:0;border-top:1px solid var(--pf-line2)}
  .pf-cflow li:first-child{border-top:0}
  .pf-cflow li:not(:last-child)::after{content:"↓";right:auto;left:18px;top:auto;bottom:-11px}
  .pf-llm{grid-template-columns:1fr}
  .pf-llm ul{padding:0 20px 0 20px}
}
@media(max-width:820px){
  .pf-kpis{grid-template-columns:repeat(3,minmax(0,1fr))}
  .pf-kpis>div:nth-child(3){border-right:0}
  .pf-kpis>div:nth-child(4){padding-left:0}
  .pf-stages,.pf-auds,.pf-checks{grid-template-columns:1fr}
  .pf-monitor{grid-template-columns:1fr}
  .pf-subhead .pf-intro{grid-column:1 / -1}
  .pf-gov{flex-direction:column;align-items:stretch;gap:0}
  .pf-gov>em{padding:0 16px 12px}
}
@media(max-width:560px){
  .pf-steps{grid-template-columns:1fr 1fr}
  .pf-llm ul{grid-template-columns:1fr}
  .pf-cell li,.pf-frags li,.pf-pillars li{grid-template-columns:1fr;gap:2px}
  .pf-pillars i{display:none}
  .pf-cells{grid-template-columns:1fr}
  .pf-layer{grid-template-columns:48px minmax(0,1fr)}
  .pf-layer .pf-code{font-size:1.15rem}
}
@media(prefers-reduced-motion:reduce){
  .pf-ph::before,.pf-hint::after,.pf-bar>button.pf-snd.is-wait{animation:none}
  .pf-scroll .pf-slide.is-seen [data-fx]{animation:none}
}