/* Quietline — calm split-screen narrative. Deep forest, bone, sage. */
:root{
  --forest:#12201b; --forest-2:#16271f; --forest-3:#1d3229; --forest-4:#24402f;
  --bone:#e9e3d3; --bone-2:#c4bead; --bone-3:#8f948a;
  --sage:#9db49a; --sage-2:#7d987a; --sage-soft:rgba(157,180,154,.14);
  --line:rgba(233,227,211,.13); --line-2:rgba(233,227,211,.24);
  --paper:#e9e3d3; --ink:#16241e;
  --warn:#c9a891;
  --serif:"IBM Plex Serif", Georgia, serif;
  --sans:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, Menlo, monospace;
  --ease:cubic-bezier(.22,.7,.2,1);
  --g:clamp(16px,4vw,48px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--forest);color:var(--bone);font:400 16px/1.65 var(--sans);overflow-x:hidden}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-underline-offset:4px;text-decoration-thickness:1px}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--sage);outline-offset:3px}
::selection{background:var(--sage);color:var(--forest)}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;background:var(--bone);color:var(--forest);padding:10px 14px;z-index:99}
.skip:focus{top:12px}
.muted{color:var(--bone-3)}
.center{text-align:center}
.fine{font-size:.84rem;line-height:1.55;color:var(--bone-3);margin:12px 0 0}
.tag{display:inline-block;font:500 .66rem/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--sage);border:1px solid rgba(157,180,154,.45);padding:4px 6px;margin-left:6px;vertical-align:middle}
code{font-family:var(--mono)}

/* header */
.top{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 var(--g);background:rgba(18,32,27,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:500 1.15rem var(--serif);letter-spacing:-.01em}
.brand__mark{width:30px;height:30px}
.bm-line{stroke:var(--bone);stroke-width:4;stroke-linecap:round;fill:none}
.bm-dot{fill:var(--sage)}
.menu{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:30px}
.menu a{text-decoration:none;font-size:.9rem;color:var(--bone-2);position:relative;padding:6px 0;transition:color .25s}
.menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--sage);transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
.menu a:hover,.menu a.is-active{color:var(--bone)}
.menu a:hover::after,.menu a.is-active::after{transform:scaleX(1);transform-origin:left}
.menu__x a{display:inline-flex;align-items:center;gap:6px}
.menu__x svg{width:15px;height:15px;fill:currentColor}
.menu__xl{display:none}
.menu-btn{display:none}

/* split narrative */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);position:relative}
.split__visual{position:sticky;top:0;height:100vh;height:100svh;min-width:0;border-right:1px solid var(--line);background:radial-gradient(120% 90% at 40% 50%,var(--forest-2),var(--forest) 70%)}
.split__visual canvas{width:100%;height:100%}
.scene-cap{position:absolute;left:var(--g);bottom:28px;display:flex;gap:14px;align-items:baseline;font-size:.82rem;color:var(--bone-2);pointer-events:none}
.scene-cap__n{font:400 .78rem var(--mono);color:var(--sage)}
.scene-cap__t{transition:opacity .4s}
.scene-cap__t.fade{opacity:0}
.split__story{min-width:0;padding:0 var(--g)}
.step{min-height:92vh;display:flex;flex-direction:column;justify-content:center;max-width:540px;padding:80px 0;opacity:.28;transition:opacity .7s var(--ease)}
.step.is-on{opacity:1}
.step--hero{min-height:100vh;min-height:100svh;padding-top:120px;opacity:1}
.step h2{font:300 clamp(1.7rem,2.8vw,2.5rem)/1.18 var(--serif);letter-spacing:-.015em;margin:14px 0 18px}
.step p{margin:0;color:var(--bone-2);font-size:1.04rem;max-width:46ch}
.step em,.hero-title em{font-style:italic;color:var(--sage)}
.step__no{font:400 .78rem var(--mono);color:var(--sage);letter-spacing:.06em;text-transform:uppercase}
.seen{margin:26px 0 0;padding-top:14px;border-top:1px solid var(--line);display:grid;gap:4px}
.seen dt{font:500 .7rem var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--bone-3)}
.seen dd{margin:0;font:400 .88rem var(--mono);color:var(--bone)}
.overline{display:flex;align-items:center;gap:14px;margin:0 0 28px;font-size:.86rem;color:var(--bone-2)}
.overline__rule{width:44px;height:1px;background:var(--sage);transform-origin:left;transform:scaleX(0);animation:rule 1.4s var(--ease) .2s forwards}
@keyframes rule{to{transform:scaleX(1)}}
.hero-title{font:300 clamp(3rem,6.4vw,5.6rem)/1.0 var(--serif);letter-spacing:-.03em;margin:0}
.hero-title .ln{display:block;opacity:0;transform:translateY(24px);animation:rise 1.2s var(--ease) forwards}
.hero-title .ln:nth-child(2){animation-delay:.18s}
@keyframes rise{to{opacity:1;transform:none}}
.hero-lede{margin:28px 0 0!important;font-size:1.1rem!important;line-height:1.65;max-width:48ch!important;opacity:0;animation:rise 1.2s var(--ease) .4s forwards}
.hero-links{margin:34px 0 0!important;display:flex;flex-wrap:wrap;gap:22px;align-items:baseline;opacity:0;animation:rise 1.2s var(--ease) .6s forwards}
.go{font:500 1rem var(--sans);color:var(--forest)!important;background:var(--bone);padding:13px 20px;text-decoration:none;display:inline-flex;gap:10px;transition:background .3s}
.go:hover{background:var(--sage)}
.quiet{color:var(--bone-2);font-size:.95rem}
.scroll-hint{margin-top:auto!important;padding-top:64px;display:flex;align-items:center;gap:12px;font:400 .76rem var(--mono)!important;letter-spacing:.08em;text-transform:uppercase;color:var(--bone-3)!important}
.scroll-hint span{width:1px;height:38px;background:var(--line-2);position:relative;overflow:hidden}
.scroll-hint span::after{content:"";position:absolute;left:0;top:0;width:1px;height:14px;background:var(--sage);animation:drip 2.4s var(--ease) infinite}
@keyframes drip{from{transform:translateY(-14px)}to{transform:translateY(38px)}}
.ca{display:flex;align-items:center;gap:10px;margin-top:24px;max-width:460px;border:1px solid var(--line-2);padding:8px 8px 8px 12px}
.ca[hidden]{display:none}
.ca__l{font:500 .7rem var(--mono);color:var(--sage);flex:none}
.ca__v{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.82rem}
.ca__b{flex:none;background:var(--forest-3);border:1px solid var(--line-2);padding:5px 10px;font-size:.78rem;cursor:pointer}

/* shared heads */
.head{max-width:1200px;margin:0 auto 36px}
.head__k{margin:0 0 12px;font:400 .78rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--sage)}
.head h2{margin:0;font:300 clamp(1.9rem,3.6vw,3rem)/1.12 var(--serif);letter-spacing:-.02em;max-width:22ch}
.head--split{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(20px,5vw,72px);align-items:end}
.head__d{margin:0;color:var(--bone-2);max-width:50ch}

/* band */
.band{padding:clamp(72px,10vw,128px) var(--g);border-top:1px solid var(--line)}
.band__in{max-width:1200px;margin:0 auto}
.table-wrap{width:100%;overflow-x:auto}
.vis{width:100%;border-collapse:collapse;min-width:520px}
.vis th,.vis td{text-align:left;padding:16px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.vis thead th{font:500 .72rem var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--bone-3);border-bottom:1px solid var(--line-2)}
.vis tbody th{font:400 1.05rem var(--serif);width:22%}
.vis td{color:var(--bone-2);font-size:.95rem}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;border:1px solid var(--bone-3);margin-right:10px;vertical-align:-1px}
.dot--on{background:var(--bone);border-color:var(--bone)}
.dot--half{background:linear-gradient(90deg,var(--bone-2) 50%,transparent 50%);border-color:var(--bone-2)}

/* paper band */
.band--paper{background:var(--paper);color:var(--ink);border-top:0}
.band--paper .head__k{color:#4e6a4b}
.habits{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));counter-reset:h;border-top:1px solid rgba(22,36,30,.25)}
.habits li{counter-increment:h;padding:24px 22px 26px 0;border-bottom:1px solid rgba(22,36,30,.15);min-width:0}
.habits li::before{content:counter(h,decimal-leading-zero);font:400 .78rem var(--mono);color:#4e6a4b}
.habits h3{font:500 1.2rem/1.3 var(--serif);margin:10px 0 6px}
.habits p{margin:0;font-size:.92rem;color:#3d4a43}

/* tools */
.tool{padding:clamp(72px,10vw,128px) var(--g);border-top:1px solid var(--line)}
.tool--alt{background:var(--forest-2)}
.lab,.sim,.trace,.trace-form,.trace-form+.err,.progress,#traceStatus,.live-net{max-width:1200px;margin-left:auto;margin-right:auto}
.lab{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:24px;align-items:start}
.lab__col{display:grid;gap:24px;min-width:0}
.panel{background:var(--forest-2);border:1px solid var(--line);padding:24px;min-width:0}
.tool--alt .panel{background:var(--forest)}
.panel__t{display:flex;align-items:center;gap:12px;font:400 1.2rem var(--serif);margin:0 0 18px}
.panel__n{display:inline-grid;place-items:center;width:26px;height:26px;border:1px solid var(--sage);border-radius:50%;font:500 .72rem var(--mono);color:var(--sage)}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;margin-top:14px}
.row:first-of-type{margin-top:0}
.field{display:grid;gap:8px;min-width:0;margin-bottom:12px}
.field>span{font:500 .72rem var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--bone-3);display:flex;justify-content:space-between;gap:10px}
.field output{font:400 .9rem var(--mono);letter-spacing:0;text-transform:none;color:var(--bone)}
.field--inline{margin:0}
input,select,textarea{background:var(--forest);border:1px solid var(--line-2);padding:10px 12px;border-radius:0;width:100%;min-width:0}
textarea{font:400 .82rem/1.5 var(--mono);resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--sage)}
input[type=range]{padding:0;border:0;background:transparent;accent-color:var(--sage);height:24px}
input[type=radio]{width:auto;accent-color:var(--sage)}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--bone-2) 50%),linear-gradient(135deg,var(--bone-2) 50%,transparent 50%);background-position:calc(100% - 16px) 52%,calc(100% - 11px) 52%;background-size:5px 5px;background-repeat:no-repeat;padding-right:32px}
.row .field{margin:0;flex:1 1 160px}
.btn{background:var(--bone);color:var(--forest);border:1px solid var(--bone);padding:11px 18px;font:500 .9rem var(--sans);cursor:pointer;transition:background .25s,border-color .25s,transform .2s}
.btn:hover{background:var(--sage);border-color:var(--sage)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn--line{background:transparent;color:var(--bone);border-color:var(--line-2)}
.btn--line:hover{background:var(--forest-3);border-color:var(--sage)}
.btn--ghost{background:transparent;color:var(--bone-3);border-color:transparent;text-decoration:underline;text-underline-offset:4px;padding-left:4px;padding-right:4px}
.btn--ghost:hover{background:transparent;color:var(--bone);border-color:transparent}
.btn--sm{padding:7px 12px;font-size:.8rem}
.err{color:var(--warn);font-size:.84rem;margin:6px 0 0}
.err:empty{display:none}
.hex{margin:18px 0 0;display:grid;gap:12px}
.hex div{min-width:0}
.hex dt{font:500 .72rem var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--bone-3)}
.hex dt small{text-transform:none;letter-spacing:0;font:400 .74rem var(--mono);color:var(--bone-3);margin-left:6px}
.hex dd{margin:4px 0 0;font:400 .8rem/1.5 var(--mono);word-break:break-all;color:var(--bone);transition:color .6s}
.hex dd.fresh{color:var(--sage)}
.note-box{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line-2)}
.note-box[hidden]{display:none}
.transcript{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:6px;counter-reset:t}
.transcript li{counter-increment:t;display:grid;grid-template-columns:28px minmax(0,1fr);gap:8px;font-size:.86rem;color:var(--bone-2);opacity:0;transform:translateY(6px);animation:rise .5s var(--ease) forwards}
.transcript li::before{content:counter(t,decimal-leading-zero);font:400 .74rem var(--mono);color:var(--bone-3);padding-top:2px}
.transcript .tx{min-width:0}
.transcript code{font-size:.76rem;word-break:break-all;color:var(--bone)}
.transcript li.ok{color:var(--sage)}
.transcript li.bad{color:var(--warn)}
.transcript li.hidden-zk{border-left:2px solid var(--sage-2);padding-left:8px}
.tree-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.tree{width:100%;height:auto;margin-top:6px}
.tree .edge{stroke:var(--line-2);stroke-width:1;transition:stroke .5s}
.tree .edge.on{stroke:var(--sage);stroke-width:2}
.tree .node{fill:var(--forest);stroke:var(--bone-3);stroke-width:1;transition:fill .5s,stroke .5s}
.tree .node.full{fill:var(--bone-3);stroke:var(--bone-3)}
.tree .node.mine{fill:var(--bone);stroke:var(--bone)}
.tree .node.on{stroke:var(--sage);stroke-width:2.5}
.tree .node.spent{fill:var(--forest-4);stroke:var(--warn)}
.tree text{font:400 9px var(--mono);fill:var(--bone-3)}
.tree text.rt{font-size:11px;fill:var(--bone)}
.tree .pop{transform-box:fill-box;transform-origin:center;animation:pop .6s var(--ease)}
@keyframes pop{from{transform:scale(.2);opacity:0}to{transform:none;opacity:1}}
.root{margin:14px 0 0;display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px;border-top:1px solid var(--line);padding-top:12px}
.root div{min-width:0}
.root dt{font:500 .68rem var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--bone-3)}
.root dd{margin:2px 0 0;font:400 .82rem var(--mono);word-break:break-all}
.roots{list-style:none;margin:0;padding:0;display:grid;gap:6px;font:400 .78rem var(--mono);color:var(--bone-2)}
.roots li{display:flex;gap:10px;min-width:0}
.roots li span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.roots li:first-child{color:var(--sage)}

/* simulator */
.live-net{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--bone-2);margin-bottom:28px}
.live-net__dot{width:8px;height:8px;border-radius:50%;background:var(--sage);flex:none;animation:beat 2.4s ease-in-out infinite}
@keyframes beat{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}}
.sim{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:clamp(20px,4vw,56px);align-items:start}
.sim__controls{display:grid;gap:8px}
.seg{border:1px solid var(--line);padding:12px 14px;margin:0 0 12px;display:grid;gap:6px}
.seg legend{font:500 .72rem var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--bone-3);padding:0 6px}
.seg label{display:flex;gap:10px;align-items:center;font-size:.92rem;cursor:pointer}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line-2)}
.metric{padding:18px 16px 18px 0;min-width:0;border-right:1px solid var(--line);padding-left:16px}
.metric:first-child{padding-left:0}
.metric:last-child{border-right:0}
.metric__n{display:block;font:300 clamp(1.8rem,3.2vw,2.6rem)/1 var(--serif);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.metric__l{display:block;margin-top:8px;font-size:.78rem;color:var(--bone-3);line-height:1.4}
.chart{margin:24px 0 0}
.chart svg{width:100%;height:auto}
.chart figcaption{font-size:.82rem;color:var(--bone-3);margin-top:8px}
.chart .axis{stroke:var(--line-2)}
.chart .grid{stroke:var(--line)}
.chart .curve{fill:none;stroke:var(--sage);stroke-width:2;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.2s var(--ease)}
.chart .curve.drawn{stroke-dashoffset:0}
.chart .area{fill:var(--sage-soft)}
.chart .you{fill:var(--forest-2);stroke:var(--bone);stroke-width:2}
.chart text{font:400 10px var(--mono);fill:var(--bone-3)}
.verdict{margin:18px 0 0;font:300 1.25rem/1.45 var(--serif);color:var(--bone);max-width:52ch}

/* trace */
.trace-form{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.trace-form>input{flex:1 1 360px;font:400 .9rem var(--mono)}
.trace-form .field{flex:0 0 190px}
.progress{height:2px;background:var(--line);margin-top:18px;overflow:hidden}
.progress[hidden]{display:none}
.progress span{display:block;height:100%;background:var(--sage);transform-origin:left;transform:scaleX(0);transition:transform .3s var(--ease)}
.trace{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:24px;margin-top:28px;align-items:start}
.trace[hidden]{display:none}
.trace__score{background:var(--forest-2);border:1px solid var(--line);padding:24px;position:sticky;top:88px}
.gauge{width:100%;max-width:220px;margin:0 auto}
.gauge__track{fill:none;stroke:var(--line-2);stroke-width:10;stroke-linecap:round}
.gauge__val{fill:none;stroke:var(--sage);stroke-width:10;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:100;transition:stroke-dashoffset 1.4s var(--ease)}
.gauge__n{text-align:center;margin:-12px 0 0;font:300 3rem/1 var(--serif)}
.gauge__n small{display:block;font:400 .74rem var(--mono);color:var(--bone-3);margin-top:6px}
.factors{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
.factors li{display:grid;gap:5px;font-size:.84rem;color:var(--bone-2)}
.factors .fbar{height:3px;background:var(--line);position:relative;overflow:hidden}
.factors .fbar i{position:absolute;inset:0;background:var(--sage);transform-origin:left;transform:scaleX(0);transition:transform 1s var(--ease)}
.factors .ft{display:flex;justify-content:space-between;gap:8px}
.factors .ft b{font:400 .78rem var(--mono);color:var(--bone)}
.factors small{color:var(--bone-3);font-size:.76rem}
.trace__main{display:grid;gap:24px;min-width:0}
.trace__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{background:var(--forest-2);border:1px solid var(--line);padding:20px;margin:0;min-width:0}
.card__t{margin:0 0 12px;font:400 1.05rem var(--serif)}
.web,.clock{width:100%;height:auto;max-width:360px;margin:0 auto}
.web line{stroke:var(--sage);stroke-linecap:round;opacity:0;animation:fadeIn .8s var(--ease) forwards}
.web circle.cp{fill:var(--forest-3);stroke:var(--bone-3)}
.web circle.cp.prog{stroke:var(--sage);stroke-dasharray:2 2}
.web circle.me{fill:var(--bone)}
.web text{font:400 9px var(--mono);fill:var(--bone-2)}
.web g.n{opacity:0;animation:fadeIn .6s var(--ease) forwards}
@keyframes fadeIn{to{opacity:1}}
.clock .ring{fill:none;stroke:var(--line)}
.clock .wedge{fill:var(--sage);opacity:.85;transform-origin:180px 180px;transform:scale(0);animation:grow .9s var(--ease) forwards}
@keyframes grow{to{transform:scale(1)}}
.clock text{font:400 9px var(--mono);fill:var(--bone-3)}
.clock .quiet-arc{fill:none;stroke:var(--bone-3);stroke-width:2;stroke-dasharray:3 4}
.cp{width:100%;border-collapse:collapse;font-size:.86rem;min-width:520px}
.cp th,.cp td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line)}
.cp thead th{font:500 .68rem var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--bone-3)}
.cp td.r,.cp th.r{text-align:right;font-variant-numeric:tabular-nums}
.cp code{font-size:.8rem}
.cp .lbl{display:inline-block;margin-left:6px;font:400 .7rem var(--mono);color:var(--sage)}
.kv{margin:0;display:grid}
.kv div{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-bottom:1px solid var(--line)}
.kv dt{color:var(--bone-3);font-size:.86rem}
.kv dd{margin:0;text-align:right;font:400 .86rem var(--mono)}
.progs{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:.86rem}
.progs li{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding:6px 0;min-width:0}
.progs li span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.progs li span:last-child{font-family:var(--mono);color:var(--bone-3);flex:none}

/* glossary & faq */
.gloss,.faq{padding:clamp(72px,10vw,128px) var(--g);border-top:1px solid var(--line)}
.gloss__list{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.gloss__list div{padding:22px 24px 22px 0;border-top:1px solid var(--line);min-width:0}
.gloss__list dt{font:400 1.3rem var(--serif);color:var(--bone)}
.gloss__list dt::after{content:"";display:block;width:24px;height:1px;background:var(--sage);margin:10px 0}
.gloss__list dd{margin:0;color:var(--bone-2);font-size:.94rem}
.faq__list{max-width:900px;margin:0 auto}
.faq .head{max-width:900px}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;font:400 1.15rem/1.4 var(--serif)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after,.faq summary::before{content:"";position:absolute;right:8px;top:50%;width:14px;height:1px;background:var(--sage);transition:transform .35s var(--ease)}
.faq summary::before{transform:rotate(90deg)}
.faq details[open] summary::before{transform:rotate(0)}
.faq details p{margin:0 0 22px;color:var(--bone-2);max-width:68ch}

/* footer */
.foot{border-top:1px solid var(--line);padding:56px var(--g) 28px;background:var(--forest-2)}
.foot__in{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.2fr .8fr .6fr 1.6fr;gap:32px}
.foot__in>*{min-width:0}
.foot__name{font:400 1.8rem var(--serif);letter-spacing:-.02em}
.foot__brand p{margin:8px 0 0;color:var(--bone-3);font-size:.88rem}
.foot__links{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:.92rem;align-content:start}
.foot__links[hidden],.foot__links li[hidden]{display:none}
.foot__note{margin:0;font-size:.84rem;color:var(--bone-3)}
.foot__base{max-width:1200px;margin:40px auto 0;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font:400 .76rem var(--mono);color:var(--bone-3)}
.linkbtn{background:none;border:0;padding:0;cursor:pointer;text-decoration:underline;text-underline-offset:4px;font:inherit;color:inherit}

.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,16px);opacity:0;background:var(--bone);color:var(--forest);padding:10px 16px;font-size:.88rem;transition:opacity .3s,transform .3s var(--ease);pointer-events:none;z-index:60;max-width:calc(100vw - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}

/* responsive */
@media (max-width:1080px){
  .lab,.sim,.trace{grid-template-columns:minmax(0,1fr)}
  .trace__score{position:static}
  .habits{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gloss__list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot__in{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .menu-btn{display:inline-flex;align-items:center;gap:10px;background:none;border:1px solid var(--line-2);padding:8px 12px;cursor:pointer;font-size:.85rem}
  .menu-btn__i{width:16px;height:7px;border-top:1px solid var(--bone);border-bottom:1px solid var(--bone);transition:transform .3s var(--ease)}
  .menu-btn[aria-expanded=true] .menu-btn__i{transform:scaleY(.15)}
  .menu{position:fixed;left:0;right:0;top:64px;bottom:0;flex-direction:column;align-items:flex-start;gap:0;padding:12px var(--g);background:var(--forest);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .3s,transform .3s var(--ease),visibility 0s .3s}
  .menu.is-open{opacity:1;transform:none;visibility:visible;transition:opacity .3s,transform .3s var(--ease)}
  .menu li{width:100%;border-bottom:1px solid var(--line)}
  .menu a{display:flex;padding:18px 0;font:300 1.5rem var(--serif);color:var(--bone)}
  .menu a::after{display:none}
  .menu__xl{display:inline}
  .split{grid-template-columns:minmax(0,1fr);padding-top:64px}
  .split__visual{height:42vh;height:42svh;top:64px;z-index:2;border-right:0;border-bottom:1px solid var(--line)}
  .scene-cap{display:none}
  .split__story{position:relative;z-index:1}
  .step{min-height:70vh;padding:48px 0;max-width:none}
  .step--hero{min-height:auto;padding-top:36px;padding-bottom:64px}
  .scroll-hint{padding-top:36px}
  .head--split{grid-template-columns:minmax(0,1fr)}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(3){padding-left:0}
  .metric:nth-child(n+3){border-top:1px solid var(--line)}
  .trace__grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:560px){
  .habits,.gloss__list{grid-template-columns:minmax(0,1fr)}
  .foot__in{grid-template-columns:minmax(0,1fr)}
  .root{grid-template-columns:1fr 1fr}
  .root div:first-child{grid-column:1/-1}
  .panel{padding:18px}
  .trace-form .field{flex:1 1 100%}
  .trace-form .btn{flex:1}
  .hero-title{font-size:2.7rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .hero-title .ln,.hero-lede,.hero-links,.transcript li{opacity:1;transform:none}
  .overline__rule{transform:none}
  .rv{opacity:1;transform:none}
  .step{opacity:1}
  .chart .curve{stroke-dashoffset:0}
  .clock .wedge{transform:none}
  .web line,.web g.n{opacity:1}
}
@media (max-width:1080px){
  .lab__col{display:contents}
  .lab__col:first-child .panel:first-child{order:1}
  .lab__col:last-child .panel:first-child{order:2}
  .lab__col:first-child .panel:last-child{order:3}
  .lab__col:last-child .panel:last-child{order:4}
}

/* =====================================================================
   Polish layer (v2): depth, choreography, micro-interactions, motion
   ===================================================================== */
[hidden]{display:none!important}
:root{--shadow-1:0 1px 0 rgba(233,227,211,.04) inset,0 18px 40px -24px rgba(0,0,0,.55);--shadow-2:0 1px 0 rgba(233,227,211,.06) inset,0 30px 60px -30px rgba(0,0,0,.7)}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:70;opacity:.06;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}

/* load choreography */
.ld{opacity:0;transform:translateY(14px)}
.ld-go .ld{animation:rise 1s var(--ease) forwards}
.ld-go .ld0{animation-name:fadeIn;transform:none;animation-duration:.8s}
.ld-go .ld1{animation-delay:.05s}
.ld-go .ld3{animation-delay:.72s}
.ld-go .ld4{animation-delay:.88s}
.ld-go .ld5{animation-delay:1.04s}
.ld-go .ld6{animation-delay:1.2s}
.ld.hero-lede,.ld.hero-links{animation-name:none}
.ld-go .ld.hero-lede,.ld-go .ld.hero-links{animation-name:rise}
.js-words .hero-title .ln{opacity:1;transform:none;animation:none}
.hero-title .w{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .04em .12em;margin:0 -.04em -.12em}
.hero-title .w>span{display:inline-block;transform:translateY(108%);animation:wordUp 1.05s var(--ease) forwards}
@keyframes wordUp{to{transform:none}}
.top{transition:background .3s}
.top__prog{position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--sage);transform-origin:left;transform:scaleX(0);opacity:.8}

/* nav sliding ink */
.menu.has-ink{position:relative}
.menu.has-ink a::after{display:none}
.menu__ink{position:absolute;left:0;bottom:-2px;width:1px;height:1px;background:var(--sage);transform-origin:left;transition:transform .55s var(--ease);pointer-events:none;list-style:none}

/* live chain pulse */
.pulse{margin-top:40px;max-width:460px;border-top:1px solid var(--line);padding-top:16px}
.pulse__k{display:flex;align-items:center;gap:10px;margin:0 0 12px!important;font:500 .7rem var(--sans)!important;letter-spacing:.14em;text-transform:uppercase;color:var(--bone-3)!important}
.pulse__dot{width:7px;height:7px;border-radius:50%;background:var(--sage);flex:none;animation:beat 2.4s ease-in-out infinite}
.pulse.is-off .pulse__dot{background:var(--bone-3);animation:none}
.pulse__src{margin-left:auto;font:400 .7rem var(--mono);letter-spacing:.02em;text-transform:none;color:var(--bone-3)}
.pulse__row{display:grid;grid-template-columns:1.5fr .8fr 1fr;gap:12px;margin:0}
.pulse__row div{min-width:0}
.pulse__row dt{font:400 .7rem var(--sans);color:var(--bone-3);letter-spacing:.06em}
.pulse__row dd{margin:2px 0 0;font:400 1.05rem var(--mono);color:var(--bone);font-variant-numeric:tabular-nums;white-space:nowrap;display:inline-block}
.pulse__bar{display:block;height:2px;background:var(--line);margin-top:12px;overflow:hidden}
.pulse__bar i{display:block;height:100%;background:var(--sage);transform-origin:left;transform:scaleX(0);transition:transform 1.4s var(--ease)}
.is-loading{color:transparent!important;position:relative;overflow:hidden;background:rgba(233,227,211,.06);border-radius:2px}
.is-loading::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(233,227,211,.14),transparent);transform:translateX(-100%);animation:shimmer 1.3s var(--ease) infinite}
@keyframes shimmer{to{transform:translateX(100%)}}
.flash{animation:flash .9s var(--ease)}
@keyframes flash{0%{opacity:.35}100%{opacity:1}}
.pulse__row dd.flash{animation:tick .7s var(--ease)}
@keyframes tick{0%{transform:translateY(-4px);opacity:.4}100%{transform:none;opacity:1}}

/* split visual: soft depth */
.split__visual::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(70% 60% at 50% 50%,transparent 55%,rgba(8,14,12,.45))}
.scene-cap{z-index:1}
.step h2{transition:transform .9s var(--ease)}
.step:not(.is-on) h2{transform:translateY(6px)}
.step .seen{transition:transform .9s var(--ease) .08s,opacity .9s var(--ease) .08s}
.step:not(.is-on) .seen{transform:translateY(8px);opacity:.6}

/* buttons: press + sheen */
.btn,.go{position:relative;overflow:hidden;isolation:isolate}
.btn::before,.go::before{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-18deg) translateX(0);transition:transform .9s var(--ease);pointer-events:none;z-index:-1}
.btn--line::before,.btn--ghost::before{background:linear-gradient(90deg,transparent,rgba(233,227,211,.12),transparent)}
.btn:hover::before,.go:hover::before{transform:skewX(-18deg) translateX(420%)}
.btn{transition:background .25s,border-color .25s,transform .18s var(--ease),box-shadow .25s}
.btn:active,.go:active{transform:scale(.965)}
.go{transition:background .3s,transform .18s var(--ease)}
.go__a{display:inline-block;transition:transform .35s var(--ease)}
.go:hover .go__a{transform:translateY(3px)}
.habits__go:hover .go__a{transform:translateX(4px)}
.btn:disabled::before{display:none}
.is-copied{background:var(--sage)!important;border-color:var(--sage)!important;color:var(--forest)!important}
.is-copied::after{content:"";display:inline-block;width:.62em;height:.32em;margin-left:.5em;border-left:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-.2em) rotate(-45deg) scale(0);animation:tickIn .4s cubic-bezier(.34,1.56,.64,1) forwards;vertical-align:middle}
@keyframes tickIn{to{transform:translateY(-.2em) rotate(-45deg) scale(1)}}

/* inputs: animated focus ring */
input:not([type=range]):not([type=radio]),select,textarea{transition:border-color .3s var(--ease),box-shadow .35s var(--ease)}
input:not([type=range]):not([type=radio]):focus,select:focus,textarea:focus{box-shadow:0 0 0 4px rgba(157,180,154,.16)}
input[type=range]{-webkit-appearance:none;appearance:none;background:transparent;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:2px;background:var(--line-2)}
input[type=range]::-moz-range-track{height:2px;background:var(--line-2)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--bone);border:3px solid var(--forest-2);box-shadow:0 0 0 1px var(--sage);margin-top:-7px;transition:transform .3s cubic-bezier(.34,1.56,.64,1)}
input[type=range]::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:var(--bone);border:3px solid var(--forest-2);box-shadow:0 0 0 1px var(--sage);transition:transform .3s cubic-bezier(.34,1.56,.64,1)}
input[type=range]:hover::-webkit-slider-thumb,input[type=range]:focus-visible::-webkit-slider-thumb{transform:scale(1.2)}
input[type=range]:active::-webkit-slider-thumb{transform:scale(1.35)}
input[type=range]:active::-moz-range-thumb{transform:scale(1.35)}
input[type=radio]{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;border:1px solid var(--bone-3);padding:0;display:inline-grid;place-items:center;flex:none;cursor:pointer;transition:border-color .25s}
input[type=radio]::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--sage);transform:scale(0);transition:transform .35s cubic-bezier(.34,1.56,.64,1)}
input[type=radio]:checked{border-color:var(--sage)}
input[type=radio]:checked::after{transform:scale(1)}
.field output{display:inline-block;transition:transform .2s var(--ease)}

/* depth on surfaces */
.panel,.card,.trace__score{box-shadow:var(--shadow-1);transition:box-shadow .5s var(--ease),transform .5s var(--ease),border-color .5s}
.panel.settled:hover,.card:hover{box-shadow:var(--shadow-2);border-color:var(--line-2)}
.panel__n{transition:transform .5s cubic-bezier(.34,1.56,.64,1),background .3s,color .3s}
.panel:hover .panel__n{transform:rotate(-12deg) scale(1.08);background:var(--sage);color:var(--forest)}

/* marquee divider */
.drift{border-top:1px solid var(--line);overflow:hidden;padding:26px 0;background:var(--forest)}
.drift__track{display:flex;width:max-content;animation:drift 60s linear infinite}
.drift__set{display:flex;align-items:center;flex:none}
.drift__set span{font:300 clamp(2.2rem,5vw,4.2rem)/1 var(--serif);letter-spacing:-.02em;color:transparent;-webkit-text-stroke:1px rgba(233,227,211,.32);padding:0 .45em;white-space:nowrap}
.drift__set em{font-style:italic;-webkit-text-stroke:1px rgba(157,180,154,.6)}
.drift__set i{width:10px;height:10px;border-radius:50%;background:var(--sage);opacity:.55;flex:none}
@keyframes drift{to{transform:translateX(-50%)}}
.drift:hover .drift__track{animation-play-state:paused}

/* two transfers */
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:0 0 40px}
.duo__fig{margin:0;background:var(--forest-2);border:1px solid var(--line);padding:20px 20px 12px;box-shadow:var(--shadow-1);min-width:0}
.duo__t{font:400 1.1rem var(--serif);margin-bottom:8px}
.duo__n{font:italic 400 1rem var(--serif);color:var(--sage);margin-right:6px}
.duo__svg{width:100%;height:auto}
.duo__base{stroke:var(--line);stroke-width:2;stroke-dasharray:3 5}
.duo__ln{stroke:var(--bone);stroke-width:2;stroke-dasharray:1;stroke-dashoffset:1;stroke-linecap:round}
.duo__ln--b{stroke:var(--sage)}
.duo__w{fill:var(--forest);stroke:var(--bone);stroke-width:1.5}
.duo__w--new{stroke:var(--sage)}
.duo__lab{font:400 11px var(--mono);fill:var(--bone-2)}
.duo__lab--pool{fill:var(--sage)}
.duo__foot{font:italic 300 13px var(--serif);fill:var(--bone-3)}
.duo__tag rect{fill:var(--forest-3);stroke:var(--line-2)}
.duo__tag text{font:400 10.5px var(--mono);fill:var(--bone)}
.duo__tag{opacity:0}
.duo__pk{fill:var(--bone);opacity:0}
.duo__pk--b{fill:var(--sage)}
.duo__pool{fill:rgba(157,180,154,.06);stroke:rgba(157,180,154,.55);stroke-width:1}
.duo__swirl{transform-box:view-box;transform-origin:240px 120px}
.duo__swirl circle{fill:rgba(233,227,211,.6)}
.duo__cut{opacity:0}
.duo__cut line{stroke:var(--warn);stroke-width:1.5;stroke-linecap:round}
.duo__cut text{font:400 10.5px var(--mono);fill:var(--warn)}
.duo__note{grid-column:1/-1;margin:-8px 0 0;font:400 .76rem var(--mono);color:var(--bone-3)}
.vis tbody tr.rv{transform:translateX(-10px)}
.vis tbody tr.rv.in{transform:none}
.vis .dot{transition:transform .6s cubic-bezier(.34,1.56,.64,1) .2s}
.vis tbody tr.rv .dot{transform:scale(0)}
.vis tbody tr.rv.in .dot{transform:none}
.vis tbody tr{transition:background .3s}
.vis tbody tr:hover{background:rgba(233,227,211,.03)}

/* merkle tree */
.tree .edge.grow{stroke-dasharray:1;stroke-dashoffset:1;animation:drawLine .5s var(--ease) forwards}
@keyframes drawLine{to{stroke-dashoffset:0}}
.tree .node.lit{animation:litNode .7s var(--ease) both}
@keyframes litNode{0%{stroke-width:1;stroke:var(--bone-3)}100%{stroke-width:2.5;stroke:var(--sage)}}
.tree .node{transform-box:fill-box;transform-origin:center}
.hex dd,.root dd{font-variant-numeric:tabular-nums}
.transcript li{animation-duration:.6s}
.transcript li.ok{animation-name:riseOk}
@keyframes riseOk{0%{opacity:0;transform:translateY(6px)}60%{opacity:1}100%{opacity:1;transform:none}}

/* simulator */
.metric__n{transform-origin:left bottom}
.metric__n.flash{animation:tick .7s var(--ease)}
.verdict.flash{animation:fadeUp .7s var(--ease)}
@keyframes fadeUp{0%{opacity:0;transform:translateY(6px)}100%{opacity:1;transform:none}}
.crowdviz{margin:28px 0 0;border-top:1px solid var(--line);padding-top:18px}
.crowdviz canvas{width:100%;height:300px}
.crowdviz figcaption{font-size:.82rem;color:var(--bone-3);margin-top:10px}
.crowdviz__n{font:400 .74rem var(--mono);color:var(--bone-2);margin-left:6px}
.chart .you{transition:transform .5s var(--ease)}

/* linkability empty state */
.trace-empty{max-width:1200px;margin:28px auto 0;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(20px,4vw,56px);align-items:center;background:var(--forest-2);border:1px solid var(--line);padding:clamp(18px,3vw,32px);box-shadow:var(--shadow-1)}
.sample-web{width:100%;height:auto}
.sw__rings circle{fill:none;stroke:var(--line);stroke-dasharray:2 5}
.sw__links line{stroke:var(--sage);stroke-width:1.4;stroke-dasharray:1;stroke-dashoffset:1;opacity:.75}
.trace-empty.in .sw__links line{animation:drawLine 1s var(--ease) forwards}
.trace-empty.in .sw__links line:nth-child(2){animation-delay:.12s}.trace-empty.in .sw__links line:nth-child(3){animation-delay:.24s}.trace-empty.in .sw__links line:nth-child(4){animation-delay:.36s}.trace-empty.in .sw__links line:nth-child(5){animation-delay:.48s}.trace-empty.in .sw__links line:nth-child(6){animation-delay:.6s}
.sw__nodes circle{fill:var(--forest-3);stroke:var(--bone-3);transform-box:fill-box;transform-origin:center;animation:node 3.6s ease-in-out infinite}
.sw__nodes circle:nth-child(2){animation-delay:.5s}.sw__nodes circle:nth-child(3){animation-delay:1s}.sw__nodes circle:nth-child(4){animation-delay:1.5s}.sw__nodes circle:nth-child(5){animation-delay:2s}.sw__nodes circle:nth-child(6){animation-delay:2.5s}
@keyframes node{0%,100%{transform:none}50%{transform:scale(1.18)}}
.sw__me{fill:var(--bone)}
.sw__t{font:400 10px var(--mono);fill:var(--bone-3)}
.sw__sweep{transform-box:view-box;transform-origin:260px 150px;opacity:0;transition:opacity .4s}
.sw__sweep path{fill:rgba(157,180,154,.12)}
.trace-empty.is-scanning .sw__sweep{opacity:1;animation:spin 1.6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.trace-empty__h{font:300 1.35rem/1.4 var(--serif);margin:12px 0 0}
.trace-empty.is-scanning .trace-empty__h{opacity:.6}
.trace{animation:fadeUp .7s var(--ease)}
.gauge__n #scoreN{display:inline-block}

/* habits: icons + CTA cell */
.ico{width:30px;height:30px;fill:none;stroke:#4e6a4b;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;display:block;margin:12px 0 4px}
.ico *{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.1s var(--ease)}
.ico.drawn *{stroke-dashoffset:0}
.ico *:nth-child(2){transition-delay:.12s}.ico *:nth-child(3){transition-delay:.24s}.ico *:nth-child(4){transition-delay:.36s}.ico *:nth-child(5){transition-delay:.42s}.ico *:nth-child(n+6){transition-delay:.5s}
.ico--g{stroke:var(--sage);margin:0 0 12px}
.habits li{transition:transform .5s var(--ease)}
.habits li.settled:hover{transform:translateY(-3px)}
.habits__cta{counter-increment:none!important;background:var(--forest);color:var(--bone);padding:24px 22px 26px!important;display:flex;flex-direction:column;box-shadow:0 24px 40px -28px rgba(18,32,27,.8)}
.habits__cta::before{content:none!important}
.habits__k{font:400 .74rem var(--mono)!important;color:var(--sage)!important;margin:0 0 8px!important;letter-spacing:.06em;text-transform:uppercase}
.habits__cta p{color:var(--bone-2)}
.habits__go{margin-top:auto;padding-top:16px;color:var(--bone);font:500 .92rem var(--sans);text-decoration:none;border-bottom:1px solid var(--sage);align-self:flex-start;padding-bottom:4px}

/* glossary */
.gloss__list dt::after{transform-origin:left;transform:scaleX(0);transition:transform .9s var(--ease) .3s}
.gloss__list .in dt::after{transform:scaleX(1)}
.gloss__list div{transition:opacity .9s var(--ease),transform .9s var(--ease)}

/* faq */
.head--faq{position:relative}
.faq__art{width:220px;height:auto;margin:0 0 18px}
.faq__line{fill:none;stroke:var(--bone-2);stroke-width:1.5;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.2s var(--ease)}
.faq__art.drawn .faq__line{stroke-dashoffset:0}
.faq__dots circle{fill:var(--sage);opacity:0;transform-box:fill-box;transform-origin:center;transform:scale(0);transition:opacity .5s var(--ease),transform .6s cubic-bezier(.34,1.56,.64,1)}
.faq__art.drawn .faq__dots circle{opacity:.85;transform:none}
.faq__dots circle:nth-child(1){transition-delay:1s}.faq__dots circle:nth-child(2){transition-delay:1.08s}.faq__dots circle:nth-child(3){transition-delay:1.16s}.faq__dots circle:nth-child(4){transition-delay:1.24s}.faq__dots circle:nth-child(5){transition-delay:1.32s}.faq__dots circle:nth-child(6){transition-delay:1.4s}.faq__dots circle:nth-child(7){transition-delay:1.48s}.faq__dots circle:nth-child(8){transition-delay:1.56s}.faq__dots circle:nth-child(9){transition-delay:1.64s}
.faq summary{transition:color .3s,transform .4s var(--ease)}
.faq summary:hover{color:var(--sage)}
.faq details p.opening{animation:fadeUp .5s var(--ease)}
.faq summary::after{transition:transform .35s var(--ease)}
.faq details[open] summary::after{transform:rotate(180deg)}

/* reveal tuning */
.rv{transition:opacity .9s var(--ease),transform .9s var(--ease),box-shadow .5s var(--ease),border-color .5s}

@media (max-width:900px){
  .duo{grid-template-columns:minmax(0,1fr)}
  .trace-empty{grid-template-columns:minmax(0,1fr)}
  .pulse{margin-top:32px}
  .crowdviz canvas{height:240px}
}
@media (max-width:560px){
  .pulse__row{grid-template-columns:1fr 1fr}
  .pulse__row div:first-child{grid-column:1/-1}
  .drift{padding:18px 0}
}
@media (prefers-reduced-motion:reduce){
  .ld{opacity:1;transform:none}
  .hero-title .w>span{transform:none}
  .duo__ln{stroke-dashoffset:0}
  .duo__tag,.duo__cut{opacity:1}
  .tree .edge.grow{stroke-dashoffset:0}
  .ico *{stroke-dashoffset:0}
  .sw__links line{stroke-dashoffset:0}
  .faq__line{stroke-dashoffset:0}
  .faq__dots circle{opacity:.85;transform:none}
  .gloss__list dt::after{transform:none}
  .vis tbody tr.rv .dot{transform:none}
  .drift__track{transform:none}
  .step:not(.is-on) h2,.step:not(.is-on) .seen{transform:none;opacity:1}
  .is-loading::after{display:none}
}