/* Layout: a long handscroll on rice paper. Ink carries the content, vermilion carries rules and seals,
   cobalt appears only where AI or code is speaking (圈點 / 眉批). Single deliberate light world. */
:root{
  --paper:#F1F1EE; --paper-2:#E7E7E1; --card:#FAFAF7; --ink:#191919; --ink-2:#4A4A48; --wash:#5F5F5B; --rule:#CFCFC7;
  --seal:#C8322B; --cobalt:#2D3BEA;
  --serif:"Noto Serif TC","Songti TC","PMingLiU",serif;
  --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.85;
  background-color:var(--paper);
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .07 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:20;background:var(--paper)}
h1,h2,h3,h4,p{margin:0}
p,dd,li{text-wrap:pretty}
h1,h2,h3{font-family:var(--serif);font-weight:900;text-wrap:balance;line-height:1.3}
a{color:inherit}
img{display:block;max-width:100%;height:auto}
:focus-visible{outline:2px solid var(--seal);outline-offset:3px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
.skip{position:fixed;left:12px;top:-60px;z-index:30;background:var(--ink);color:var(--paper);padding:10px 16px;font-weight:700;text-decoration:none;transition:top .15s}
.skip:focus{top:calc(10px + env(safe-area-inset-top,0px))}
[data-view] h1:focus{outline:none}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.note{font-family:var(--mono);font-size:12px;color:var(--wash);letter-spacing:.04em}
.ai{color:var(--cobalt)}
.label{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--wash)}
.lede{font-size:17px;color:var(--ink-2);max-width:34em}
.muted{color:var(--ink-2)}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:15;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
header .wrap{display:flex;align-items:center;gap:20px;padding-block:12px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0;padding-block:10px;margin-block:-10px}
.brand img{height:22px;width:auto}
.brand small{font-family:var(--serif);font-weight:600;font-size:13px;color:var(--ink-2);border-left:1px solid var(--rule);padding-left:12px}
nav.main{display:flex;margin-left:auto;overflow-x:auto;scrollbar-width:none}
nav.main::-webkit-scrollbar{display:none}
nav.main a{font-family:var(--serif);font-weight:600;font-size:15px;text-decoration:none;color:var(--ink-2);padding:6px 12px;white-space:nowrap;position:relative}
nav.main a:hover{color:var(--ink)}
nav.main .sh{display:none}
@media (max-width:600px){nav.main{-webkit-mask-image:none!important;mask-image:none!important;justify-content:space-between;margin-left:-8px!important;width:calc(100% + 16px)!important}nav.main a{font-size:15px;padding:8px 8px}nav.main .lg{display:none}nav.main .sh{display:inline}nav.main a[aria-current="page"]::after{left:8px;right:8px}}
nav.main a[aria-current="page"]{color:var(--ink)}
nav.main a[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;background:var(--seal);border-radius:2px}
@media (max-width:900px){header .wrap{flex-wrap:wrap;gap:4px;padding-block:10px 4px}nav.main{margin-left:-12px;width:calc(100% + 12px);-webkit-mask-image:linear-gradient(90deg,#000 82%,transparent);mask-image:linear-gradient(90deg,#000 82%,transparent)}nav.main a{padding:8px 12px}.brand small{display:none}}

/* buttons */
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;text-decoration:none;font-weight:700;font-size:15px;padding:12px 22px;border:1.5px solid var(--ink);background:transparent;color:var(--ink);font-family:inherit;cursor:pointer}
.btn.p{background:var(--ink);color:var(--paper)}
.btn:hover{border-color:var(--seal)}
.more{font-family:var(--serif);font-weight:600;text-decoration:none;border-bottom:1.5px solid var(--seal);padding-bottom:2px}
.more::after{content:" →";color:var(--seal)}

/* seal */
.seal{display:inline-grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;grid-auto-flow:column;direction:rtl;place-items:center;background:var(--seal);color:#fff;font-family:var(--serif);font-weight:900;line-height:1;border-radius:5px;box-shadow:inset 0 0 0 3px var(--seal),inset 0 0 0 5px #fff;padding:8px}
.seal.lg{width:88px;height:88px;font-size:26px}
.seal.sm{width:54px;height:54px;font-size:16px;padding:6px}

/* hero */
.hero{position:relative;min-height:640px;overflow:hidden}
.hero canvas{position:absolute;left:0;right:0;bottom:0;width:100%;height:56%}
.hero .wrap{position:relative;display:grid;grid-template-columns:1fr auto;gap:24px;padding-block:52px 40px;min-height:640px}
.hero .hcopy{position:relative;z-index:2;display:grid;gap:22px;align-content:start;max-width:520px}
.hlead{font-family:var(--serif);font-weight:600;font-size:clamp(19px,1.8vw,22px);line-height:1.7;color:var(--ink)}
.caps{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink);background:color-mix(in srgb,var(--paper) 72%,transparent)}
.caps li{border-bottom:1px solid var(--rule)}
.caps a{display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:6px;min-height:44px;padding:4px 0;text-decoration:none;font-family:var(--serif);font-weight:700;font-size:16px}
.caps a span{font-family:var(--mono);font-weight:500;font-size:12px;color:var(--seal);letter-spacing:.06em}
.caps a::after{content:"→";font-family:var(--sans);color:var(--wash);transition:transform .2s}
.caps a:hover::after{transform:translateX(3px);color:var(--seal)}
.caps .ai a span,.caps .ai a::after{color:var(--cobalt)}
.vt{position:relative;z-index:2;writing-mode:vertical-rl;text-shadow:0 0 14px var(--paper),0 0 6px var(--paper),0 0 2px var(--paper);font-size:clamp(42px,5.4vw,74px);line-height:1.25;letter-spacing:.12em;display:flex;flex-direction:column;gap:.15em}
.vt em{font-style:normal;color:var(--seal)}
.hside{position:absolute;z-index:3;right:calc(max(16px,env(safe-area-inset-right,0px)) + 220px);bottom:44px;transform:rotate(4deg)}
.m-only{display:none}
.hero .cap{position:absolute;left:max(16px,env(safe-area-inset-left,0px));bottom:10px;z-index:2}
@media (max-width:860px){
  .hero{display:grid;grid-template-columns:1fr auto;grid-template-areas:"side vt" "copy copy" "art art" "cap cap";column-gap:16px;min-height:0;padding-block:28px 22px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .hero .wrap{display:contents}
  .vt{grid-area:vt;font-size:clamp(40px,12.5vw,54px);letter-spacing:.1em}
  .hside{grid-area:side;position:static;transform:none;display:flex;flex-direction:column;justify-content:space-between;gap:16px}
  .hside .m-only{display:block;line-height:1.7}
  .hside .seal{width:74px;height:74px;font-size:22px;transform:rotate(-5deg)}
  .hero canvas{grid-area:art;position:relative;inset:auto;height:210px;width:calc(100% + max(16px,env(safe-area-inset-left,0px)) + max(16px,env(safe-area-inset-right,0px)));margin-left:calc(-1 * max(16px,env(safe-area-inset-left,0px)));margin-top:20px}
  .hero .hcopy{grid-area:copy;padding-top:18px;max-width:none;gap:16px}
  .hero .hcopy > .label{display:none}
  .hero .cap{grid-area:cap;position:static;margin-top:14px}
  .btns .btn{flex:1;text-align:center}
}

/* ticker */
.ticker{border-block:1px solid var(--ink);font-family:var(--mono);font-size:13px;white-space:nowrap;overflow:hidden;background:var(--card)}
.ticker div{display:inline-block;padding:10px 0;animation:tick 60s linear infinite}
.ticker span{margin-right:36px}
.ticker b{font-weight:500;color:var(--seal)}
.ticker .ai b{color:var(--cobalt)}
@keyframes tick{to{transform:translateX(-50%)}}

/* sections */
.sec{border-top:1px solid var(--rule)}
.sec > .wrap{padding-block:80px}
.sec.alt{background:rgba(231,231,225,.6)}
.head{display:grid;grid-template-columns:180px 1fr;gap:32px;margin-bottom:44px}
.head h2{font-size:clamp(28px,3.6vw,42px)}
.head p{margin-top:12px}
/* head variants, so not every section reads "label left / title right" */
.head.split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px 56px;align-items:end}
.head.split > .label{grid-column:1;grid-row:1}
.head.split h2{grid-column:1;grid-row:2}
.head.split .lede{grid-column:2;grid-row:1/3;margin:0;padding-left:20px;border-left:1px solid var(--rule)}
.head.center{grid-template-columns:1fr;justify-items:center;text-align:center;gap:12px}
.head.center > .label{display:flex;align-items:center;gap:12px}
.head.center > .label::before,.head.center > .label::after{content:"";width:28px;height:1px;background:var(--seal)}
.head.center .lede{margin:0}
@media (max-width:760px){.head.split{grid-template-columns:1fr;gap:6px}.head.split > .label,.head.split h2{grid-row:auto}.head.split .lede{grid-column:1;grid-row:auto;padding-left:0;border-left:0;margin-top:6px}.head.center{text-align:left;justify-items:start}.head.center > .label::before{display:none}}
@media (max-width:760px){.head{grid-template-columns:1fr;gap:6px;margin-bottom:28px}.sec > .wrap{padding-block:48px}.row + .row{margin-top:56px}.vision .wrap{padding-block:64px}.ctaband .wrap{padding-block:40px}}

/* page head */
.pagehead .wrap{padding-block:60px 44px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end}
.pagehead h1{font-size:clamp(34px,5vw,58px);margin-top:10px}
.pagehead p{margin-top:16px}
.crumb{font-size:13px;color:var(--wash)}
.crumb a{text-decoration:none}
@media (max-width:760px){.pagehead .wrap{grid-template-columns:1fr auto;align-items:start;padding-block:40px 32px}.pagehead .seal.lg{width:52px;height:52px;font-size:15px;padding:5px}.lede{font-size:16px}}

/* 實戰 → 系統 → AI : three equal columns, number + title on one line, photos as a short strip */
.path{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:56px;border-top:2px solid var(--ink)}
.path > div{position:relative;padding:28px 0 8px;display:grid;grid-template-columns:auto 1fr;column-gap:14px;row-gap:12px;align-content:start;min-width:0}
.path > div + div::before{content:"";position:absolute;left:-28px;top:0;bottom:0;border-left:1px solid var(--rule)}
.pph{grid-column:1/-1;margin:0 0 6px;position:relative}
.pph img{width:100%;aspect-ratio:16/10;object-fit:cover;border:6px solid var(--card);box-shadow:0 0 0 1px var(--rule)}
.pph.ai::after{content:"";position:absolute;inset:6px;box-shadow:inset 0 0 0 2px var(--cobalt);pointer-events:none}
.path .num{font-family:var(--serif);font-weight:900;font-size:52px;line-height:1;color:var(--ink);align-self:center}
.path > div:nth-child(3) .num{color:var(--cobalt)}
.path h3{font-size:26px;align-self:center}
.path p{grid-column:1/-1;color:var(--ink-2)}
@media (max-width:860px){
  .path{grid-template-columns:1fr}
  .path > div{grid-template-columns:minmax(0,5fr) auto minmax(0,6fr);grid-template-rows:auto 1fr;column-gap:18px;row-gap:6px;padding:24px 0}
  .path > div + div::before{left:0;right:0;bottom:auto;border-left:0;border-top:1px solid var(--rule)}
  .path .pph{grid-column:1;grid-row:1/3;margin:0}
  .path .num{grid-column:2;grid-row:1;font-size:42px}
  .path h3{grid-column:3;grid-row:1;font-size:22px}
  .path p{grid-column:2/4;grid-row:2}
}
@media (max-width:600px){
  .path > div{grid-template-columns:auto 1fr;grid-template-rows:none;column-gap:12px;row-gap:8px;padding:22px 0}
  .path .pph{grid-column:1/-1;grid-row:auto;margin-bottom:4px}
  .path .pph img{aspect-ratio:2/1;border-width:4px}
  .path .pph.ai::after{inset:4px}
  .path .num{grid-column:1;grid-row:auto;font-size:38px}
  .path h3{grid-column:2;grid-row:auto}
  .path p{grid-column:1/-1;grid-row:auto}
}

/* lighthouse: the ink painting sits directly on the rice paper (multiply), no frame */
.beacon > .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:center;padding-block:48px}
.beacon .text{display:grid;gap:16px;align-content:center;min-width:0}
.beacon h2{font-size:clamp(28px,3.4vw,42px)}
.beacon .text p{color:var(--ink-2)}
.beacon .text p.rule{color:var(--ink);font-weight:500;border-left:3px solid var(--seal);padding-left:14px}
.inkpaint{margin:0;min-width:0}
.inkpaint img{width:100%;aspect-ratio:4/3;object-fit:cover;mix-blend-mode:multiply;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent),linear-gradient(180deg,transparent,#000 8%,#000 80%,transparent);-webkit-mask-composite:source-in;
  mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent),linear-gradient(180deg,transparent,#000 8%,#000 80%,transparent);mask-composite:intersect}
@media (max-width:860px){.beacon > .wrap{grid-template-columns:1fr;gap:4px;padding-block:24px 48px}.inkpaint{order:-1;margin-inline:-8px}}

/* four hanging scrolls (flip) */
.scrolls{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scroll{perspective:900px;outline:none}
.scroll .in{position:relative;min-height:250px;transition:transform .6s ease;transform-style:preserve-3d}
.scroll{cursor:pointer;border-radius:2px}
.scroll:focus-visible{outline:2px solid var(--seal);outline-offset:4px}
.scroll.on .in{transform:rotateY(180deg)}
@media (hover:hover){.scroll:hover .in{transform:rotateY(180deg)}.scroll.on:hover .in{transform:none}}
.face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:var(--card);border-top:6px solid var(--ink);border-bottom:6px solid var(--ink);padding:22px 18px;display:grid;grid-template-columns:auto 1fr;gap:14px;align-content:start}
.face b{writing-mode:vertical-rl;font-family:var(--serif);font-weight:900;font-size:40px;letter-spacing:.1em;line-height:1}
.face .q{font-family:var(--serif);font-weight:700;font-size:19px;line-height:1.5}
.face small{display:block;margin-top:10px;color:var(--ink-2);font-size:14px;line-height:1.7}
.face.back .hint{color:var(--cobalt)}
.face .hint{position:absolute;left:18px;bottom:14px;font-family:var(--mono);font-size:11px;color:var(--wash)}
.face.back{transform:rotateY(180deg);grid-template-columns:1fr;background:#FFFFFF;border-color:var(--cobalt)}
.face.back .id{font-family:var(--mono);color:var(--seal);font-weight:600}
.face.back code{font-family:var(--mono);font-size:13px;color:var(--cobalt);line-height:1.7;display:block;white-space:pre-wrap}
@media (prefers-reduced-motion:reduce){.scroll .in{transition:none}}
@media (max-width:960px){.scrolls{grid-template-columns:1fr 1fr}}
.swipe{display:none}
@media (max-width:640px){
  .scrolls{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;margin-left:calc(-1 * max(16px,env(safe-area-inset-left,0px)));margin-right:calc(-1 * max(16px,env(safe-area-inset-right,0px)));padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-bottom:6px}
  .scrolls::-webkit-scrollbar{display:none}
  .scrolls{scroll-padding-left:max(16px,env(safe-area-inset-left,0px))}
  .scroll{flex:0 0 76%;scroll-snap-align:start}
  .scroll .in{min-height:230px}
  .swipe{display:block;margin-top:12px}
}

/* index of chapters (home) */
.tocwrap{display:grid;grid-template-columns:120px minmax(0,1fr);gap:40px;align-items:start}
.tochead{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.tochead h2{writing-mode:vertical-rl;font-size:clamp(34px,3.6vw,44px);letter-spacing:.18em;line-height:1}
.toc{display:grid;border-top:2px solid var(--ink)}
.toc a{display:grid;grid-template-columns:64px minmax(0,220px) minmax(0,1fr) auto;align-items:baseline;gap:6px 20px;text-decoration:none;padding:22px 0;border-bottom:1px solid var(--rule);min-width:0}
.toc a::after{content:"→";font-size:20px;color:var(--seal);transition:transform .2s}
.toc a:hover::after{transform:translateX(4px)}
.toc a:hover b{color:var(--seal)}
.toc b{font-family:var(--serif);font-weight:900;font-size:24px}
.toc span{color:var(--ink-2);font-size:15px}
.toc i{font-style:normal;color:var(--seal);font-family:var(--serif)}
@media (max-width:760px){.tocwrap{grid-template-columns:1fr;gap:18px}.tochead{flex-direction:row;align-items:baseline}.tochead h2{writing-mode:horizontal-tb;font-size:28px;letter-spacing:.06em}.toc a{grid-template-columns:44px minmax(0,1fr) auto;padding:18px 0}.toc span{grid-column:2}.toc a::after{grid-column:3;grid-row:1/3;align-self:center}}

/* rows with art */
.row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.row + .row{margin-top:80px}
.row.flip > :first-child{order:2}
.row .text{display:grid;gap:16px;min-width:0}
.row h2{font-size:clamp(26px,3.2vw,36px)}
.row h3{font-size:clamp(24px,2.8vw,32px)}
.row .text p{color:var(--ink-2)}
.art{background:var(--card);border:1px solid var(--rule);padding:14px;min-width:0;position:relative}
.art canvas,.art svg{display:block;width:100%}
.art canvas{height:var(--h,300px)}
@media (max-width:600px){.art canvas{height:calc(var(--h,300px) * .74)}}
.art .note{margin-top:8px;display:block}
.photo{position:relative;min-width:0}
.photo img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:saturate(.92) contrast(1.04);border:6px solid var(--card);box-shadow:0 0 0 1px var(--rule)}
.photo figcaption{margin-top:10px}
.photo .seal{position:absolute;right:-10px;bottom:34px;transform:rotate(-4deg)}
@media (max-width:860px){.row{grid-template-columns:1fr;gap:28px}.row.flip > :first-child{order:0}.photo .seal{right:8px}}

/* journey (about) */
.journey{list-style:none;margin:0;padding:0;position:relative;display:grid;grid-template-columns:repeat(5,1fr)}
.journey::before{content:"";position:absolute;left:0;right:0;top:26px;height:5px;border-radius:3px;background:linear-gradient(90deg,rgba(25,25,25,.18),rgba(25,25,25,.85) 35%,rgba(25,25,25,.55) 70%,rgba(200,50,43,.9))}
.journey li{position:relative;padding-right:22px;display:grid;gap:8px;align-content:start;min-width:0}
.journey .dot{position:relative;z-index:1;width:56px;height:56px;border-radius:50%;background:var(--paper);border:3px solid var(--ink);display:grid;place-items:center;font-family:var(--serif);font-weight:900;font-size:22px}
.journey .dot.ai{border-color:var(--cobalt);color:var(--cobalt)}
.journey .dot.now{border-radius:6px;background:var(--seal);border-color:var(--seal);color:#fff;box-shadow:inset 0 0 0 3px var(--seal),inset 0 0 0 5px #fff}
.journey .when{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--seal);margin-top:10px}
.journey h3{font-size:21px}
.journey p{color:var(--ink-2);font-size:15px}
@media (max-width:860px){
  .journey{grid-template-columns:1fr}
  .journey::before{left:26px;right:auto;top:0;bottom:0;width:5px;height:auto;background:linear-gradient(180deg,rgba(25,25,25,.18),rgba(25,25,25,.85) 35%,rgba(25,25,25,.55) 70%,rgba(200,50,43,.9))}
  .journey li{grid-template-columns:56px 1fr;column-gap:16px;row-gap:2px;padding:0 0 26px}
  .journey .dot{grid-row:1/4}
  .journey .when{margin-top:2px}
}


.pph .vig{display:block;width:100%;height:auto;aspect-ratio:2/1;background:var(--card);border:1px solid var(--rule)}

/* items list */
.items{margin:0;border-top:1px solid var(--rule)}
.items div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--rule)}
.items dt{font-family:var(--serif);font-weight:700}
.items dd{margin:0;color:var(--ink-2);font-size:15px}
@media (max-width:520px){.items div{grid-template-columns:1fr;gap:2px}}

/* process */
.process{margin:80px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(5,1fr);counter-reset:s}
.process li{counter-increment:s;border-top:2px solid var(--ink);padding:14px 14px 0 0;font-family:var(--serif);font-weight:700;font-size:17px;min-width:0}
.process li::before{content:counter(s,cjk-ideographic);display:block;font-size:13px;color:var(--seal);margin-bottom:4px}
.process small{display:block;font-family:var(--sans);font-weight:400;font-size:13px;color:var(--ink-2);line-height:1.6;margin-top:4px}
@media (max-width:860px){.process{grid-template-columns:1fr;margin-top:56px}.process li{display:grid;grid-template-columns:40px 1fr;column-gap:12px;border-top:1px solid var(--rule);padding:12px 0}.process li:first-child{border-top:2px solid var(--ink)}.process li::before{grid-row:1/3;font-size:20px;margin:0;line-height:1.4}.process small{grid-column:2;margin-top:0}}

/* patents */
.pat{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:start;padding-block:48px;border-top:1px solid var(--rule)}
.pat:first-of-type{border-top:0;padding-top:0}
.pat .no{font-family:var(--mono);font-size:clamp(36px,4.6vw,56px);line-height:1;letter-spacing:.02em}
.pat h3{font-size:clamp(24px,2.8vw,32px);margin-top:14px}
.pat .inv{display:flex;align-items:center;gap:14px;margin-top:18px;padding-top:14px;border-top:1px solid var(--rule)}
.pat .inv span{font-family:var(--mono);font-size:12px;color:var(--wash);letter-spacing:.12em}
.pat .inv .nk{font-style:normal;font-family:var(--mono);font-size:13px;letter-spacing:.2em;color:var(--seal)}
.pat .inv b{font-family:var(--serif);font-size:22px;letter-spacing:.2em}
.pat p{margin-top:14px;color:var(--ink-2)}
@media (max-width:860px){.pat{grid-template-columns:1fr;gap:24px}}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink)}
.steps3 li{list-style:none;padding:18px 20px 0 0;min-width:0}
.steps3 li + li{padding-left:20px;border-left:1px solid var(--rule)}
.steps3 b{display:block;font-family:var(--serif);font-size:20px;margin-bottom:6px}
.steps3 span{color:var(--ink-2);font-size:15px}
.steps3 i{display:block;font-style:normal;font-family:var(--mono);font-size:12px;color:var(--seal);margin-bottom:6px}
ol.steps3{margin:0;padding:0}
@media (max-width:760px){.steps3{grid-template-columns:1fr}.steps3 li + li{padding-left:0;border-left:0;border-top:1px solid var(--rule)}}

/* tickets */
.tk{display:grid;grid-template-columns:1fr 140px;background:var(--card);border:1.5px solid var(--ink);min-width:0}
.tk .body{padding:22px 24px;display:grid;gap:8px;align-content:start}
.tk h3{font-size:clamp(22px,2.6vw,30px)}
.tk p{color:var(--ink-2)}
.tk .stub{border-left:1.5px dashed var(--ink);display:grid;place-items:center;align-content:center;gap:10px;padding:16px;text-align:center;position:relative}
.tk .stub::before,.tk .stub::after{content:"";position:absolute;left:-12px;width:22px;height:22px;border-radius:50%;background:var(--paper);border:1.5px solid var(--ink)}
.tk .stub::before{top:-12px;clip-path:inset(50% 0 0 0)}
.tk .stub::after{bottom:-12px;clip-path:inset(0 0 50% 0)}
.tk .stub .d{font-family:var(--mono);font-size:22px;font-weight:600;line-height:1}
.tk .stub .y{font-family:var(--mono);font-size:11px;color:var(--wash)}
.cases{display:grid;gap:28px}
.case-feature{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:28px;align-items:stretch}
/* featured case: an upright ticket that fills the photo's height, stub along the bottom */
.tk.v{grid-template-columns:1fr;grid-template-rows:1fr auto}
.tk.v .body{display:flex;flex-direction:column;gap:10px;padding:26px 28px}
.tk.v h3{font-size:clamp(28px,3.4vw,42px);margin-bottom:18px}
.tk.v .stub{border-left:0;border-top:1.5px dashed var(--ink);grid-auto-flow:column;justify-content:space-between;align-items:baseline;padding:14px 28px}
.tk.v .stub::before{left:-12px;top:-12px;clip-path:inset(0 0 0 50%)}
.tk.v .stub::after{left:auto;right:-12px;top:-12px;bottom:auto;clip-path:inset(0 50% 0 0)}
.facts{margin:auto 0 0;border-top:1px solid var(--ink)}
.facts div{display:grid;grid-template-columns:96px minmax(0,1fr);gap:12px;padding:11px 0;border-bottom:1px solid var(--rule)}
.facts dt{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--wash);padding-top:3px}
.facts dd{margin:0;font-family:var(--serif);font-weight:700}
.tk .more{justify-self:start;align-self:flex-start;margin-top:4px}
@media (max-width:860px){.case-feature{grid-template-columns:1fr}}
@media (max-width:480px){.tk{grid-template-columns:1fr}.tk .stub{border-left:0;border-top:1.5px dashed var(--ink);grid-auto-flow:column}.tk .stub::before,.tk .stub::after{display:none}}

/* founder */
.founder{display:grid;grid-template-columns:auto minmax(0,1fr) minmax(0,1.1fr);gap:40px;align-items:start}
.founder .name{writing-mode:vertical-rl;font-family:var(--serif);font-weight:900;font-size:clamp(52px,6vw,84px);letter-spacing:.2em;line-height:1;display:flex;align-items:flex-start;gap:.3em}
.founder .name small{font-family:var(--mono);font-weight:600;font-size:15px;letter-spacing:.35em;color:var(--seal);text-orientation:upright;padding-top:6px}
.meta{display:grid;grid-template-columns:auto 1fr;gap:10px 20px;margin:0;border-top:2px solid var(--ink);padding-top:16px}
.meta dt{font-family:var(--mono);font-size:12px;color:var(--wash);letter-spacing:.1em;padding-top:4px}
.meta dd{margin:0}
@media (max-width:960px){.founder{grid-template-columns:1fr}.founder .name{writing-mode:horizontal-tb;font-size:48px;letter-spacing:.1em;align-items:baseline;gap:14px}.founder .name small{text-orientation:mixed;letter-spacing:.2em;font-size:16px;padding:0}}

/* press */

/* book + media */
.bookrow{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:start}
.book{display:grid;grid-template-columns:150px 1fr;gap:28px;align-items:start}
.cover{aspect-ratio:2/3;background:var(--card);border:1.5px solid var(--ink);box-shadow:6px 6px 0 var(--paper-2),6px 6px 0 1.5px var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:18px 10px 12px;position:relative}
.cover::before{content:"";position:absolute;left:10px;top:0;bottom:0;border-left:1px solid var(--rule)}
.cover b{writing-mode:vertical-rl;font-family:var(--serif);font-weight:900;font-size:30px;letter-spacing:.2em}
.stack2{display:grid;gap:10px}
.stack2 h3{font-size:28px}
.pts{list-style:none;margin:4px 0 0;padding:0;border-top:2px solid var(--ink);counter-reset:p}
.pts li{counter-increment:p;display:grid;grid-template-columns:28px 1fr;gap:2px 10px;padding:12px 0;border-bottom:1px solid var(--rule)}
.pts li::before{content:counter(p,cjk-ideographic);grid-row:1/3;font-family:var(--serif);font-weight:900;color:var(--seal)}
.pts b{font-family:var(--serif)}
.pts span{color:var(--ink-2);font-size:15px}
.media{display:grid}
.media .label{margin-bottom:8px}
.media a{display:grid;gap:2px;text-decoration:none;padding:12px 0;border-top:1px solid var(--rule)}
.media a:last-of-type{border-bottom:1px solid var(--rule)}
.media a b{font-family:var(--serif);font-size:17px}
.media a:hover b{color:var(--seal)}
.media a b::after{content:" ↗";color:var(--seal);font-family:var(--sans);font-size:13px}
@media (max-width:860px){.bookrow{grid-template-columns:1fr;gap:36px}}
@media (max-width:520px){
  /* cover + title side by side, the three points get the full width */
  .book{grid-template-columns:96px minmax(0,1fr);column-gap:16px;row-gap:6px;align-items:end}
  .book .cover{grid-column:1;grid-row:1/3}
  .stack2{display:contents}
  .stack2 > .note{grid-column:2;grid-row:1;align-self:end}
  .stack2 h3{grid-column:2;grid-row:2;align-self:start;font-size:24px}
  .pts{grid-column:1/-1;margin-top:14px}
  .cover b{font-size:22px}
}

/* vision */
.vision .wrap{padding-block:96px;display:grid;justify-items:center;text-align:center;gap:20px}
.vision p.big{font-family:var(--serif);font-weight:900;font-size:clamp(28px,3.8vw,46px);line-height:1.5;max-width:18em;text-wrap:balance}
.vision p.big em{font-style:normal;color:var(--seal);white-space:nowrap}
.vision p.big .nb{white-space:nowrap}
@media (min-width:600px){.vision p.big .nw{white-space:nowrap}}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.lines{display:grid;border-top:2px solid var(--ink)}
.line{display:grid;grid-template-columns:64px 1fr auto;gap:12px;align-items:center;padding-block:14px;border-bottom:1px solid var(--rule)}
.line span:nth-child(2){min-width:0;overflow-wrap:anywhere;user-select:all}
.copy{font:inherit;font-size:13px;background:none;border:1px solid var(--rule);color:var(--ink-2);padding:6px 12px;min-height:40px;min-width:56px;cursor:pointer}
.req{font-family:var(--mono);font-weight:500;font-size:11px;color:var(--seal);margin-left:6px;letter-spacing:.06em}
.copy:hover{border-color:var(--ink);color:var(--ink)}
form{background:var(--card);border:1.5px solid var(--ink);padding:26px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:6px;min-width:0}
.field.full{grid-column:1/-1}
.field label{font-family:var(--serif);font-weight:700;font-size:15px}
.field input,.field select,.field textarea{font:inherit;font-size:15px;color:var(--ink);background:var(--paper);border:1px solid var(--rule);padding:10px 12px;width:100%;border-radius:0}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--ink);outline-offset:0}
.formnote{grid-column:1/-1;font-size:13px;color:var(--wash)}
.sent{grid-column:1/-1;border-left:4px solid var(--seal);background:#fff;padding:10px 14px;font-size:14px}
@media (max-width:860px){.contact{grid-template-columns:1fr}form{grid-template-columns:1fr;padding:20px}}

/* floating contact seal (phones) */
.fab{display:none}
.fab[hidden]{display:none!important}
@media (max-width:760px){
  .fab{display:grid;place-items:center;position:fixed;z-index:14;right:calc(14px + env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));width:58px;height:58px;background:var(--seal);color:#fff;text-decoration:none;font-family:var(--serif);font-weight:900;font-size:17px;line-height:1.05;writing-mode:vertical-rl;letter-spacing:.1em;border-radius:6px;box-shadow:inset 0 0 0 3px var(--seal),inset 0 0 0 5px #fff,0 10px 22px -8px rgba(0,0,0,.35);transform:rotate(-4deg) translateY(0);opacity:1;transition:opacity .25s,transform .25s}
  .fab.away{opacity:0;transform:rotate(-4deg) translateY(16px);pointer-events:none}
  footer .wrap{padding-bottom:96px}
}

.consent label{font-family:var(--sans);font-weight:400;font-size:14px;color:var(--ink-2);display:flex;gap:10px;align-items:flex-start;line-height:1.6}
.consent input{width:20px;height:20px;margin-top:2px;flex-shrink:0;accent-color:var(--seal)}
.line a,footer a[href^="mailto"]{text-decoration:none}
@media (max-width:400px){.line .mono{font-size:13.5px}}

/* footer */
footer{border-top:1px solid var(--ink);background:var(--card)}
footer .wrap{padding-block:40px 48px;display:grid;gap:22px;font-size:13px;color:var(--ink-2)}
.foot{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px}
.foot b{color:var(--ink);font-family:var(--serif);font-size:15px}
.foot nav{display:flex;flex-wrap:wrap;gap:0 4px;margin-left:-8px}
.foot nav a{text-decoration:none;display:inline-flex;align-items:center;min-height:40px;padding:0 8px}
.foot nav a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--seal);text-underline-offset:4px}
.disclaimer{border:1px solid var(--rule);background:var(--paper);padding:14px 16px;color:var(--ink);line-height:1.8}
@media (max-width:760px){.foot{grid-template-columns:1fr}}

.ctaband{border-top:1px solid var(--rule)}
.ctaband .wrap{padding-block:56px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.ctaband h2{font-size:clamp(26px,3.2vw,36px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ticker div{animation:none}}

/* ---------- multi-page additions ---------- */
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.policy{max-width:760px}
.policy h2{font-size:22px;margin:34px 0 8px}
.policy h2:first-child{margin-top:0}
.policy p{color:var(--ink-2);margin:0}
.policy a,.consent a,#sendErr a{color:inherit;text-decoration:underline;text-underline-offset:3px}
button[disabled]{opacity:.6;cursor:progress}