/* Patent Yard. One stylesheet for every page.
   Tokens first; dark mode follows the system setting. */
:root{
  --bg:#F6F6F4; --surface:#FFFFFF; --surface-2:#F9F9F7; --sunken:#F1F1EE;
  --line:#E4E3DF; --line-strong:#CFCDC7;
  --ink:#16181D; --ink-2:#4B5160; --ink-3:#666C79;
  --accent:#0F6B4F; --accent-hover:#0B573F; --accent-ink:#FFFFFF; --accent-soft:#E7F2ED;
  --lapsed:#B42318; --lapsed-soft:#FEF1EF;
  --aband:#9A4B06; --aband-soft:#FFF6E5;
  --expired:#3F4A5C; --expired-soft:#EEF1F5;
  --reserved:#1D5FD1; --reserved-soft:#EAF1FE;
  --warn:#9A4B06; --focus:#0F6B4F;
  --fig-blend:multiply; --fig-filter:none;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05);
  --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px -12px rgba(16,24,40,.16);
  --shadow-lg:0 24px 64px -20px rgba(16,24,40,.35);
  --radius:10px; --radius-sm:6px;
  --display:"Schibsted Grotesk","Helvetica Neue",Arial,sans-serif;
  --body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --ease:cubic-bezier(.2,.8,.2,1);
  color-scheme:light;
}
/* Dark: follows the system unless the visitor picked a theme (data-theme on <html>, set by theme.js). */
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E0F11; --surface:#16181C; --surface-2:#1B1E23; --sunken:#121417;
  --line:#2A2E35; --line-strong:#3A3F48;
  --ink:#EDEEF0; --ink-2:#B3B8C2; --ink-3:#8A909C;
  --accent:#3DBE8B; --accent-hover:#5BCB9D; --accent-ink:#0B1F17; --accent-soft:#16291F;
  --lapsed:#F97066; --lapsed-soft:#2A1614; --aband:#FDB022; --aband-soft:#2A2010; --expired:#B9C3D2; --expired-soft:#1E232B;
  --reserved:#84ADFF; --reserved-soft:#172238; --warn:#FDB022; --focus:#3DBE8B;
  --fig-blend:screen; --fig-filter:invert(1);
  --shadow-sm:none; --shadow:0 1px 0 rgba(255,255,255,.03),0 10px 30px -14px rgba(0,0,0,.7); --shadow-lg:0 30px 80px -20px rgba(0,0,0,.8);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0E0F11; --surface:#16181C; --surface-2:#1B1E23; --sunken:#121417;
  --line:#2A2E35; --line-strong:#3A3F48;
  --ink:#EDEEF0; --ink-2:#B3B8C2; --ink-3:#8A909C;
  --accent:#3DBE8B; --accent-hover:#5BCB9D; --accent-ink:#0B1F17; --accent-soft:#16291F;
  --lapsed:#F97066; --lapsed-soft:#2A1614; --aband:#FDB022; --aband-soft:#2A2010; --expired:#B9C3D2; --expired-soft:#1E232B;
  --reserved:#84ADFF; --reserved-soft:#172238; --warn:#FDB022; --focus:#3DBE8B;
  --fig-blend:screen; --fig-filter:invert(1);
  --shadow-sm:none; --shadow:0 1px 0 rgba(255,255,255,.03),0 10px 30px -14px rgba(0,0,0,.7); --shadow-lg:0 30px 80px -20px rgba(0,0,0,.8);
  color-scheme:dark;
}
/* Visitor settings (settings page): drawings on white paper in dark mode, larger text, less motion. */
:root[data-drawings="original"]{--fig-blend:normal;--fig-filter:none}
:root[data-text="large"] body{zoom:1.12}
:root[data-motion="reduce"]{scroll-behavior:auto}
:root[data-motion="reduce"] *,:root[data-motion="reduce"] *::before,:root[data-motion="reduce"] *::after{animation:none!important;transition:none!important}

/* ---------------------------------------------------------------- base */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.6 var(--body);padding-inline:16px;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
.wrap{max-width:1280px;margin-inline:auto;width:100%}
.narrow{max-width:860px}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent);text-underline-offset:2px}
a:hover{color:var(--accent-hover)}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
h1,h2,h3,h4{font-family:var(--display);text-wrap:balance;margin:0;letter-spacing:-.01em}
p{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
.muted{color:var(--ink-2)}
.num{font-variant-numeric:tabular-nums}
.mono{font-family:var(--mono)}
.kicker{font:600 12px/1.2 var(--body);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:16px;top:-60px;z-index:80;background:var(--ink);color:var(--surface);padding:8px 12px;border-radius:var(--radius-sm);font-weight:600;text-decoration:none}
.skip:focus{top:8px;color:var(--surface)}
svg.i{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------------------------------------------------------------- controls */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid transparent;font:600 14px/1 var(--body);cursor:pointer;text-decoration:none;white-space:nowrap;transition:background .15s,border-color .15s,color .15s,transform .15s var(--ease)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{background:var(--accent-hover);color:var(--accent-ink)}
.btn.secondary{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}
.btn.secondary:hover{background:var(--surface-2);border-color:var(--ink-3);color:var(--ink)}
.btn.quiet{background:transparent;color:var(--ink-2)}
.btn.quiet:hover{background:var(--sunken);color:var(--ink)}
.btn.sm{min-height:32px;padding:6px 10px;font-size:13px}
.btn.lg{min-height:46px;padding:12px 20px;font-size:15px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none}
.chip{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 11px;border-radius:999px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-2);font:500 13px/1 var(--body);white-space:nowrap;text-decoration:none}
button.chip,a.chip{cursor:pointer;transition:background .15s,color .15s,border-color .15s}
button.chip:hover,a.chip:hover{border-color:var(--ink-3);color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--surface)}
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 8px;border-radius:6px;font:600 12px/1 var(--body);white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.lapsed{color:var(--lapsed);background:var(--lapsed-soft)}
.badge.abandoned{color:var(--aband);background:var(--aband-soft)}
.badge.expired{color:var(--expired);background:var(--expired-soft)}
.badge.reserved{color:var(--reserved);background:var(--reserved-soft)}
.badge.ok{color:var(--accent);background:var(--accent-soft)}
.badge.plain{color:var(--ink-2);background:var(--sunken)}
.badge.plain::before,.badge.ok::before{display:none}
.field-input,input.field,select.field,textarea.field{width:100%;min-height:40px;padding:9px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);line-height:1.5}
input.field:focus,select.field:focus,textarea.field:focus{outline:2px solid var(--focus);outline-offset:0;border-color:transparent}
textarea.field{resize:vertical;min-height:110px}
.fgroup{display:grid;gap:6px}
.fgroup label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.fgroup small{font-size:12.5px;color:var(--ink-3)}
.rowbtns{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.status{font-size:13.5px;color:var(--ink-3)}
.status.err{color:var(--lapsed)}
.status.ok{color:var(--accent)}
.meter{display:inline-flex;gap:2px;margin-right:5px;vertical-align:1px}
.meter i{width:6px;height:6px;border-radius:2px;background:var(--line-strong)}
.meter i.on{background:var(--accent)}

/* ---------------------------------------------------------------- motion */
@keyframes rise{from{opacity:.2;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{0%{transform:scale(.6);opacity:0}70%{transform:scale(1.06);opacity:1}100%{transform:scale(1)}}
@keyframes spin{to{transform:rotate(360deg)}}
.rise{animation:rise .6s var(--ease) both;animation-delay:calc(var(--d,0) * 80ms)}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* ---------------------------------------------------------------- header */
.top{position:sticky;top:0;z-index:30;margin-inline:-16px;padding:0 16px;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:18px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex:none}
.brand:hover{color:var(--ink)}
.brand .mark{width:30px;height:30px;border-radius:7px;background:var(--ink);color:var(--surface);display:grid;place-items:center}
.brand .mark svg{width:20px;height:20px}
.brand b{font:800 19px/1 var(--display);letter-spacing:-.02em}
.mainnav{display:flex;gap:2px;flex:1;min-width:0}
.mainnav a{position:relative;padding:10px 12px;border-radius:var(--radius-sm);font:500 14px/1 var(--body);color:var(--ink-2);text-decoration:none;white-space:nowrap}
.mainnav a:hover{color:var(--ink);background:var(--sunken)}
.mainnav a[aria-current="page"]{color:var(--ink);font-weight:600}
.mainnav a[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:-12px;height:2px;border-radius:2px;background:var(--accent)}
.hsearch{display:flex;align-items:center;gap:8px;height:36px;padding:0 10px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink-3)}
.hsearch input{border:0;background:none;outline:none;width:190px;font-size:14px;color:var(--ink)}
.hsearch{position:relative}
.sugg{position:absolute;z-index:40;right:0;top:calc(100% + 6px);width:340px;list-style:none;margin:0;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.sugg a{display:grid;gap:2px;padding:8px 10px;border-radius:6px;color:var(--ink);text-decoration:none;font-size:14px}
.sugg a:hover,.sugg a[aria-selected="true"]{background:var(--sunken)}
.sugg small{font:500 12px var(--mono);color:var(--ink-3)}
.sugg li:last-child a{color:var(--accent);font-weight:600}
.acct{display:inline-flex;align-items:center;gap:8px;flex:none}
.acct .avatar{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font:700 13px/1 var(--display)}
.iconbtn{display:grid;place-items:center;width:36px;height:36px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);cursor:pointer;flex:none}
.iconbtn:hover{color:var(--ink);background:var(--sunken)}
.iconbtn .i{width:18px;height:18px}
.iconbtn .moon,:root[data-theme="dark"] .iconbtn .sun{display:none}
:root[data-theme="dark"] .iconbtn .moon{display:block}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .iconbtn .sun{display:none}:root:not([data-theme="light"]) .iconbtn .moon{display:block}}
.menu-btn{display:none;width:38px;height:38px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);place-items:center;cursor:pointer}
@media (max-width:1080px){.hsearch{display:none}}
@media (max-width:860px){
  .menu-btn{display:grid;margin-left:auto}
  .mainnav{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;padding:8px 16px 16px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .mainnav.open{display:flex}
  .mainnav a{padding:12px}
  .mainnav a[aria-current="page"]::after{display:none}
  .acct .btn span{display:none}
}

/* ---------------------------------------------------------------- footer */
footer.foot{margin-top:80px;margin-inline:-16px;padding:44px 16px 48px;border-top:1px solid var(--line);background:var(--surface)}
footer.foot .wrap{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(4,minmax(0,1fr));gap:28px;font-size:14px;color:var(--ink-3)}
@media (max-width:980px){footer.foot .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:520px){footer.foot .wrap{grid-template-columns:minmax(0,1fr)}}
footer.foot b{font:800 17px/1 var(--display);color:var(--ink)}
footer.foot nav{display:grid;gap:8px;align-content:start}
footer.foot nav a{color:var(--ink-2);text-decoration:none}
footer.foot nav a:hover{color:var(--ink);text-decoration:underline}
footer.foot .fine{grid-column:1/-1;border-top:1px solid var(--line);padding-top:18px;font-size:13px}

/* ---------------------------------------------------------------- page sections */
.page{padding-top:36px}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:13.5px;color:var(--ink-3);margin-bottom:14px}
.crumbs a{color:var(--ink-2);text-decoration:none}
.crumbs a:hover{color:var(--ink);text-decoration:underline}
.sechead{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px 20px;margin-bottom:18px}
.sechead h1{font:800 clamp(30px,3.8vw,44px)/1.08 var(--display);letter-spacing:-.025em}
.sechead h2{font:800 clamp(24px,3vw,32px)/1.12 var(--display);letter-spacing:-.02em}
.sechead p{color:var(--ink-2);margin-top:8px;max-width:72ch}
.section{margin-top:56px}
.panel{border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;background:var(--surface)}
.panel.soft{background:var(--surface-2)}
.prose{font-size:15.5px;line-height:1.7;color:var(--ink-2);overflow-wrap:anywhere}
.prose p+p{margin-top:12px}
.prose h2{font-size:22px;color:var(--ink);margin:28px 0 10px}
.prose h3{font-size:17px;color:var(--ink);margin:22px 0 8px}
.prose ul,.prose ol{padding-left:20px;display:grid;gap:6px;margin:10px 0}
.lead{font-size:17px;line-height:1.6;color:var(--ink)}

/* ---------------------------------------------------------------- home */
.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:center;padding-block:56px 40px}
@media (max-width:940px){.hero{grid-template-columns:minmax(0,1fr);gap:32px;padding-block:32px 24px}}
.hero h1{font:800 clamp(38px,5.4vw,64px)/1.04 var(--display);letter-spacing:-.03em;margin:14px 0 18px}
.hero h1 em{font-style:normal;color:var(--accent)}
.lede{font-size:18px;line-height:1.6;color:var(--ink-2);max-width:56ch}
.ctas{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.trust{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:26px;font-size:13px;color:var(--ink-3)}
.trust span{display:inline-flex;align-items:center;gap:6px}
.trust svg{color:var(--accent)}
.plotter{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;margin:0}
.plotter .phead{display:flex;justify-content:space-between;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);font:500 12.5px/1.2 var(--mono);color:var(--ink-3)}
@media (max-width:520px){.plotter .phead span+span{display:none}}
.plotbox{position:relative;aspect-ratio:1/.92;max-height:480px;width:100%;background:var(--surface);transition:opacity .45s}
.plotbox canvas{position:absolute;inset:0;width:100%;height:100%}
.plotbox img{position:absolute;inset:6%;width:88%;height:88%;object-fit:contain;mix-blend-mode:var(--fig-blend);filter:var(--fig-filter)}
.plotter figcaption{padding:14px 16px 16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.plotter figcaption b{display:block;font:700 17px/1.25 var(--display)}
.plotter figcaption small{color:var(--ink-3);font-size:13px}
.statband{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-block:8px 0}
.statband>div{padding:20px 22px;border-right:1px solid var(--line)}
.statband>div:last-child{border-right:0}
.statband b{display:block;font:800 30px/1.1 var(--display);letter-spacing:-.02em}
.statband span{font-size:13.5px;color:var(--ink-3)}
@media (max-width:820px){.statband{grid-template-columns:1fr 1fr}.statband>div:nth-child(2){border-right:0}.statband>div:nth-child(-n+2){border-bottom:1px solid var(--line)}}
.steps3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.steps3>div{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}
.steps3 .n{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font:700 13px/1 var(--display);margin-bottom:12px}
.steps3 h3{font-size:18px;margin-bottom:6px}
.steps3 p{font-size:14.5px;color:var(--ink-2)}
@media (max-width:820px){.steps3{grid-template-columns:minmax(0,1fr)}}
.tiles{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.tile{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s var(--ease)}
.tile:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-1px);color:var(--ink)}
.tile .th{width:64px;height:52px;border-radius:8px;background:var(--surface-2);border:1px solid var(--line);display:grid;place-items:center;overflow:hidden}
.tile .th img{width:100%;height:100%;object-fit:contain;mix-blend-mode:var(--fig-blend);filter:var(--fig-filter)}
.tile b{display:block;font:700 15.5px/1.3 var(--display)}
.tile small{color:var(--ink-3);font-size:13px}
.ctaband{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;padding:28px;border-radius:14px;background:var(--ink);color:var(--surface)}
.ctaband h2{font-size:26px;color:var(--surface)}
.ctaband p{color:color-mix(in srgb,var(--surface) 75%,transparent);margin-top:6px;max-width:60ch}
.ctaband .btn.secondary{background:transparent;color:var(--surface);border-color:color-mix(in srgb,var(--surface) 40%,transparent)}
.ctaband .btn.secondary:hover{background:color-mix(in srgb,var(--surface) 12%,transparent)}
.sources{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media (max-width:820px){.sources{grid-template-columns:minmax(0,1fr)}}

/* ---------------------------------------------------------------- cards */
.wall{display:grid;gap:18px;grid-template-columns:minmax(0,1fr)}
@media (min-width:640px){.wall{grid-template-columns:repeat(2,minmax(0,1fr))}.wall .feat{grid-column:span 2}}
@media (min-width:1000px){.wall{grid-template-columns:repeat(3,minmax(0,1fr))}.wall .feat{grid-column:span 3}}
@media (min-width:1260px){.wall{grid-template-columns:repeat(4,minmax(0,1fr))}.wall .feat{grid-column:span 2;grid-row:span 2}
  .wall .card.feat{flex-direction:column}.wall .card.feat .fig{flex:1;min-height:360px;border-right:0;border-bottom:1px solid var(--line)}}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.card{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;min-width:0;transition:box-shadow .2s,transform .2s var(--ease),border-color .2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:var(--line-strong)}
.card .fig{position:relative;display:block;aspect-ratio:4/3;padding:14px;background:var(--surface-2);border-bottom:1px solid var(--line);overflow:hidden}
.card .fig img{width:100%;height:100%;object-fit:contain;mix-blend-mode:var(--fig-blend);filter:var(--fig-filter);display:block}
.card .over{position:absolute;left:10px;top:10px;display:flex;gap:6px;flex-wrap:wrap}
.card .sheets{position:absolute;right:10px;bottom:10px;display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 8px;border-radius:6px;background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--line);font:500 12px/1 var(--body);color:var(--ink-2)}
.cbody{padding:14px 16px 12px;display:flex;flex-direction:column;gap:6px;flex:1}
.cbody .fieldname{font-size:12.5px;color:var(--ink-3)}
.cbody .num-id{font:500 12px/1 var(--mono);color:var(--ink-3)}
.cbody h3{font:700 18px/1.25 var(--display)}
.cbody h3 a{color:var(--ink);text-decoration:none}
.cbody h3 a::after{content:"";position:absolute;inset:0}
.cbody h3 a:hover{color:var(--accent)}
.cbody p{font-size:14px;color:var(--ink-2)}
.grid .cbody h3{font-size:16.5px}
.grid .cbody p{font-size:13.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cmeta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:10px 16px 14px;border-top:1px solid var(--line);font-size:12.5px}
.cmeta small{display:block;color:var(--ink-3);font-size:11.5px;margin-bottom:2px}
.cmeta span{display:block;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card.feat{flex-direction:row}
.card.feat .fig{flex:1.05;aspect-ratio:auto;min-height:420px;border-bottom:0;border-right:1px solid var(--line)}
.card.feat .fig img{position:absolute;inset:18px;width:calc(100% - 36px);height:calc(100% - 36px)}
.card.feat .side{flex:1;display:flex;flex-direction:column;min-width:0}
.card.feat .cbody{padding:22px 24px 14px;gap:10px}
.card.feat .cbody h3{font-size:28px;letter-spacing:-.02em}
.card.feat .cbody p{font-size:15px}
.card.feat .cmeta{padding-inline:24px}
.angle{padding:12px 14px;border-radius:8px;background:var(--accent-soft);font-size:14px;color:var(--ink)}
.angle b{display:block;font:600 12px/1 var(--body);letter-spacing:.04em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
@media (max-width:639px){.card.feat{flex-direction:column}.card.feat .fig{min-height:0;aspect-ratio:4/3;border-right:0;border-bottom:1px solid var(--line)}.card.feat .cbody h3{font-size:22px}}
.resmark{position:absolute;right:10px;top:10px;z-index:2;display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;background:var(--reserved);color:#fff;font:600 12px/1 var(--body);box-shadow:var(--shadow);pointer-events:none;animation:pop .4s var(--ease) both}
.resmark.mine{background:var(--accent);color:var(--accent-ink)}

/* ---------------------------------------------------------------- browse */
.filters{display:grid;gap:12px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:16px}
.frow{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.frow .lab{font-size:13px;font-weight:600;color:var(--ink-3);min-width:64px}
.count{font-size:13.5px;color:var(--ink-3);margin-bottom:12px}
.more{display:flex;justify-content:center;padding-block:24px}
.empty{padding:28px 18px;text-align:center;color:var(--ink-3);font-size:14.5px;border:1px dashed var(--line-strong);border-radius:var(--radius)}

/* ---------------------------------------------------------------- patent page */
.phead{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:start;padding-bottom:22px;border-bottom:1px solid var(--line)}
@media (max-width:860px){.phead{grid-template-columns:minmax(0,1fr)}}
.phead h1{font:800 clamp(28px,3.6vw,42px)/1.1 var(--display);letter-spacing:-.025em;margin:12px 0 8px}
.phead .asfiled{font-size:14px;color:var(--ink-3)}
.badges{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.pactions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;align-items:center;max-width:420px}
@media (max-width:860px){.pactions{justify-content:flex-start;max-width:none}}
.resline{flex-basis:100%;display:flex;justify-content:flex-end;font-size:13.5px;color:var(--ink-2);gap:8px;align-items:center;text-align:right}
@media (max-width:860px){.resline{justify-content:flex-start;text-align:left}}
.playout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:40px;margin-top:28px}
@media (max-width:980px){.playout{grid-template-columns:minmax(0,1fr)}}
.toc{position:sticky;top:84px;align-self:start;display:grid;gap:2px;font-size:14px}
.toc a{padding:7px 10px;border-radius:6px;color:var(--ink-2);text-decoration:none;border-left:2px solid transparent}
.toc a:hover{background:var(--sunken);color:var(--ink)}
.toc a.on{color:var(--ink);font-weight:600;border-left-color:var(--accent);background:var(--surface)}
.toc small{color:var(--ink-3);margin-left:4px}
@media (max-width:980px){.toc{position:static;display:flex;overflow-x:auto;gap:4px;padding-bottom:6px;border-bottom:1px solid var(--line)}.toc a{white-space:nowrap;border-left:0}}
.psec{padding-bottom:44px;margin-bottom:44px;border-bottom:1px solid var(--line);scroll-margin-top:84px}
.psec:last-child{border-bottom:0}
.psec>h2{font:800 24px/1.2 var(--display);letter-spacing:-.015em;margin-bottom:16px;display:flex;align-items:baseline;gap:10px}
.psec>h2 small{font:500 14px var(--body);color:var(--ink-3)}
.ov{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:28px;align-items:start}
@media (max-width:900px){.ov{grid-template-columns:minmax(0,1fr)}}
.bigfig{position:relative;display:block;width:100%;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);cursor:zoom-in}
.bigfig img{display:block;width:100%;height:auto;max-height:68vh;object-fit:contain;mix-blend-mode:var(--fig-blend);filter:var(--fig-filter)}
.nofig{display:grid;gap:10px;justify-items:start;padding:22px;border:1px dashed var(--line-strong);border-radius:var(--radius);background:var(--surface-2)}
.cap{font-size:12.5px;color:var(--ink-3);margin-top:8px}
.stack{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
.block h2,.block h3,.block h4{font:600 12.5px/1.2 var(--body);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.src{font:500 11.5px/1 var(--body);letter-spacing:0;text-transform:none;padding:3px 6px;border-radius:4px;background:var(--sunken);color:var(--ink-3)}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14.5px}
.checks li{display:grid;grid-template-columns:22px 1fr;gap:8px;align-items:start}
.checks li::before{content:"";width:18px;height:18px;margin-top:2px;border-radius:50%;background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%230F6B4F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.checks li.warn::before{background:var(--aband-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 4v5M8 11.5v.5' fill='none' stroke='%239A4B06' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/12px no-repeat}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.facts div{background:var(--surface);padding:10px 12px;min-width:0}
.facts small{display:block;font-size:12px;color:var(--ink-3)}
.facts b{font:600 14px/1.4 var(--body);overflow-wrap:anywhere}
.gallery{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.gallery figure{margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.gallery button{display:block;width:100%;aspect-ratio:3/4;padding:10px;border:0;background:var(--surface-2);cursor:zoom-in}
.gallery img{width:100%;height:100%;object-fit:contain;mix-blend-mode:var(--fig-blend);filter:var(--fig-filter)}
.gallery figcaption{display:flex;justify-content:space-between;padding:10px 12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.figlist{padding-left:18px;margin:0;display:grid;gap:4px;font-size:14.5px;color:var(--ink-2)}
.claimsgrid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:28px;align-items:start}
@media (max-width:900px){.claimsgrid{grid-template-columns:minmax(0,1fr)}}
.claimsgrid .treebox{position:sticky;top:84px}
.claimsgrid .treebox .panel{overflow:auto;max-height:calc(100vh - 110px)}
.tree a{white-space:nowrap}
@media (max-width:900px){.claimsgrid .treebox{position:static}.claimsgrid .treebox .panel{max-height:420px}}
.tree{list-style:none;margin:0;padding:0;font-size:13.5px}
.tree ul{list-style:none;margin:0;padding-left:16px;border-left:1px solid var(--line-strong);margin-left:8px}
.tree li{position:relative;padding:3px 0}
.tree ul>li::before{content:"";position:absolute;left:-16px;top:15px;width:12px;border-top:1px solid var(--line-strong)}
.tree a{display:inline-flex;gap:8px;align-items:baseline;padding:3px 8px;border-radius:6px;color:var(--ink-2);text-decoration:none}
.tree a:hover{background:var(--sunken);color:var(--ink)}
.tree b{font:600 12.5px var(--mono);color:var(--ink-3)}
.tree .root>a b{color:var(--accent)}
.claimlist{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.claimlist li{display:grid;grid-template-columns:44px minmax(0,1fr);overflow-wrap:anywhere;gap:10px;font-size:15px;line-height:1.7;color:var(--ink-2);scroll-margin-top:96px;border-radius:8px;transition:background .3s}
.claimlist li>span{font:600 13px/1.7 var(--mono);color:var(--ink-3);text-align:right}
.claimlist li.ind{color:var(--ink)}
.claimlist li.ind>span{color:var(--accent)}
.claimlist li:target,.claimlist li.hl{background:var(--accent-soft);outline:6px solid var(--accent-soft)}
.claimlist em{display:block;font:600 11.5px/1 var(--body);letter-spacing:.05em;text-transform:uppercase;color:var(--accent);font-style:normal;margin-bottom:6px}
.desc{max-width:80ch;display:grid;gap:14px}
.desc h3{font:700 16px/1.3 var(--display);margin-top:12px;color:var(--ink)}
.desc p{font-size:15px;line-height:1.75;color:var(--ink-2);overflow-wrap:anywhere}
.desc.clamped{max-height:720px;overflow:hidden;-webkit-mask-image:linear-gradient(#000 80%,transparent);mask-image:linear-gradient(#000 80%,transparent)}
.chart{width:100%;height:auto;display:block;overflow:visible}
.chart text{font:500 12px var(--body);fill:var(--ink-2)}
.chart .axis{stroke:var(--line-strong)}
.chart .tick{stroke:var(--line)}
.chart .muted{fill:var(--ink-3)}
.chart .lbl{font-weight:600;fill:var(--ink)}
.chartbox{overflow-x:auto;padding:4px 0}
.chartbox .chart{min-width:600px}
.fees{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
@media (max-width:640px){.fees{grid-template-columns:minmax(0,1fr)}}
.fee{border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;background:var(--surface)}
.fee b{display:block;font:700 15px/1.3 var(--display)}
.fee small{display:block;font-size:12.5px;color:var(--ink-3);margin:2px 0 10px}
.famlane{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px}
.famnode{flex:none;width:230px;border:1px solid var(--line);border-radius:var(--radius);padding:12px;background:var(--surface)}
.famnode.me{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.famnode b{display:block;font:600 13px/1.3 var(--mono)}
.famnode p{font-size:13px;color:var(--ink-2);margin:6px 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.famnode small{display:block;font-size:12px;color:var(--ink-3)}
.cites{display:flex;flex-wrap:wrap;gap:6px}
.linkgrid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.lcard{display:grid;gap:4px;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);text-decoration:none;color:var(--ink);transition:border-color .15s,box-shadow .15s,transform .15s var(--ease)}
.lcard:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-1px);color:var(--ink)}
.lcard b{display:flex;align-items:center;justify-content:space-between;gap:8px;font:600 14.5px/1.3 var(--body)}
.lcard span{font-size:13px;color:var(--ink-2)}
.lcard small{font:500 12px var(--mono);color:var(--ink-3)}
.lcard.src{border-color:var(--accent);background:var(--accent-soft)}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:760px){.cols2{grid-template-columns:minmax(0,1fr)}}

/* ---------------------------------------------------------------- dialogs */
dialog{overflow:auto;border:0;border-radius:14px;background:var(--surface);color:var(--ink);padding:0;width:min(860px,calc(100% - 32px));max-height:calc(100% - 40px);box-shadow:var(--shadow-lg)}
dialog[open]{animation:dlgIn .28s var(--ease)}
dialog::backdrop{background:rgba(12,14,18,.55);backdrop-filter:blur(2px)}
@keyframes dlgIn{from{opacity:0;transform:translateY(14px) scale(.99)}}
@media (max-width:720px){dialog{width:100%;max-width:100%;height:100%;max-height:100%;margin:0;border-radius:0}}
.dbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--surface)}
.dbar b{font:700 16px/1.2 var(--display)}
.dbody{padding:20px 22px 24px;display:grid;gap:18px}
.x{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--ink-2)}
.x:hover{background:var(--sunken);color:var(--ink)}
#viewer{width:100%;max-width:100%;height:100%;max-height:100%;margin:0;border-radius:0;background:rgba(10,11,13,.94);color:#fff;box-shadow:none}
#viewer[open]{display:grid;grid-template-rows:auto 1fr auto}
#viewer .vbar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;font-size:14px}
#viewer .x{background:transparent;border-color:rgba(255,255,255,.25);color:#fff}
#viewer .stage{position:relative;overflow:auto;display:grid;place-items:center;padding:12px}
#viewer .stage img{max-width:100%;max-height:100%;background:#fff;border-radius:6px;cursor:zoom-in}
#viewer .stage.zoom{place-items:start center}
#viewer .stage.zoom img{max-width:none;max-height:none;width:min(1400px,180%);cursor:zoom-out}
#viewer .vnav{display:flex;justify-content:center;gap:10px;padding:12px}
#viewer .btn{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.2)}
#viewer .btn:hover{background:rgba(255,255,255,.2)}
#viewer a.btn{color:#fff}

/* ---------------------------------------------------------------- Claude kit */
.tasks{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.task{display:grid;gap:4px;text-align:left;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);cursor:pointer;transition:border-color .15s,box-shadow .15s}
.task:hover{border-color:var(--line-strong)}
.task[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:var(--accent-soft)}
.task b{font:600 14.5px/1.3 var(--body)}
.task span{font-size:13px;color:var(--ink-2)}
.task em{font-style:normal;font:600 11px/1 var(--body);letter-spacing:.04em;text-transform:uppercase;color:var(--accent)}
textarea.prompt{min-height:240px;font:12.5px/1.6 var(--mono);color:var(--ink-2)}
.howto{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;counter-reset:s}
@media (max-width:640px){.howto{grid-template-columns:minmax(0,1fr)}}
.howto div{padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);font-size:13.5px;color:var(--ink-2)}
.howto div::before{counter-increment:s;content:counter(s);display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font:700 12px/1 var(--display);margin-right:8px}
.howto b{color:var(--ink)}
.think{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2)}
.think::before{content:"";width:14px;height:14px;border:2px solid var(--line-strong);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}

/* ---------------------------------------------------------------- account & bench */
.authbox{max-width:440px;margin:24px auto 0;display:grid;gap:16px}
.seg{display:flex;padding:4px;border-radius:10px;background:var(--sunken);gap:4px}
.seg button{flex:1;border:0;background:none;padding:9px 10px;border-radius:7px;font:600 13.5px/1 var(--body);color:var(--ink-2);cursor:pointer}
.seg button[aria-selected="true"],.seg button[aria-checked="true"]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}
.bench{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:20px}
@media (max-width:940px){.bench{grid-template-columns:minmax(0,1fr)}}
.list{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.list>header{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line)}
.list>header h2{font-size:17px}
.rowi{display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:14px;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.rowi:last-child{border-bottom:0}
.rowi .th{width:72px;height:54px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);display:grid;place-items:center;overflow:hidden;font-size:11px;color:var(--ink-3);text-align:center}
.rowi .th img{width:100%;height:100%;object-fit:contain;mix-blend-mode:var(--fig-blend);filter:var(--fig-filter)}
.rowi b{display:block;font:700 15px/1.3 var(--display)}
.rowi b a{color:var(--ink);text-decoration:none}
.rowi small{font-size:12.5px;color:var(--ink-3)}
.rowi .ra{display:flex;gap:6px;flex-wrap:wrap;justify-content:end}
@media (max-width:560px){.rowi{grid-template-columns:56px minmax(0,1fr)}.rowi .th{width:56px;height:44px}.rowi .ra{grid-column:1/-1;justify-content:start}}
.explain{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--surface);margin-bottom:18px}
.explain p{font-size:14.5px;color:var(--ink-2);max-width:92ch}
.studio{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}
@media (max-width:940px){.studio{grid-template-columns:minmax(0,1fr)}}
.picker{position:relative}
.picker ul{position:absolute;z-index:10;left:0;right:0;top:calc(100% + 4px);list-style:none;margin:0;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);max-height:300px;overflow:auto}
.picker li button{display:grid;width:100%;gap:2px;text-align:left;border:0;background:none;padding:8px 10px;border-radius:6px;cursor:pointer}
.picker li button:hover,.picker li button:focus{background:var(--sunken)}
.picker li small{font:500 12px var(--mono);color:var(--ink-3)}
.srcline{display:flex;gap:12px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);font-size:13.5px}
.srcline img{width:64px;height:48px;object-fit:contain;mix-blend-mode:var(--fig-blend);filter:var(--fig-filter)}

/* ---------------------------------------------------------------- how it works, legal, faq */
.pipe{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0;padding:0;list-style:none}
@media (max-width:900px){.pipe{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.pipe{grid-template-columns:minmax(0,1fr)}}
.pipe li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px}
.pipe .n{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font:700 12px/1 var(--display);margin-bottom:10px}
.pipe b{display:block;font:700 16px/1.3 var(--display);margin-bottom:6px}
.pipe p{font-size:14px;color:var(--ink-2)}
.pipe a{font-size:13px}
.law{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.law .panel h3{font-size:17px;margin-bottom:10px}
.law ul{margin:0;padding-left:18px;display:grid;gap:8px;font-size:14.5px;color:var(--ink-2)}
.faq{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden}
.faq details{border-bottom:1px solid var(--line);padding:16px 20px}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;font:600 15.5px/1.4 var(--body)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 20px/1 var(--body);color:var(--ink-3);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:10px;font-size:14.5px;line-height:1.65;color:var(--ink-2);max-width:82ch}
.notfound{text-align:center;padding:80px 0}
.notfound h1{font:800 64px/1 var(--display);letter-spacing:-.03em}

#toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:90;background:var(--ink);color:var(--surface);padding:11px 16px;border-radius:10px;font:500 14px/1.4 var(--body);max-width:calc(100% - 32px);box-shadow:var(--shadow-lg);transition:opacity .25s,transform .25s;overflow-wrap:anywhere}
#toast:empty{opacity:0;transform:translate(-50%,12px);pointer-events:none}

/* ---------------------------------------------------------------- print: patent pages print as a clean dossier */
@media print{
  body{background:#fff;color:#000;padding:0;font-size:11pt}
  .top,footer.foot,.toc,.pactions,.resline,#toast,.skip,.noprint{display:none!important}
  .playout{display:block;margin:0}
  .psec{break-inside:auto;border:0;padding-bottom:16pt;margin-bottom:16pt}
  .bigfig img,.gallery img{filter:none!important;mix-blend-mode:normal!important}
  .gallery figure{break-inside:avoid}
  .desc.clamped{max-height:none;-webkit-mask-image:none;mask-image:none}
  a{color:#000;text-decoration:none}
}

/* ---------------------------------------------------------------- settings */
.settings{display:grid;gap:18px;max-width:860px;margin-inline:auto}
.setrow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px 0;border-top:1px solid var(--line)}
.setrow:first-of-type{border-top:0;padding-top:4px}
.setrow b{display:block;font:600 15px/1.3 var(--body)}
.setrow p{font-size:13.5px;color:var(--ink-3);margin-top:3px;max-width:56ch}
@media (max-width:640px){.setrow{grid-template-columns:minmax(0,1fr)}}
.seg.inline{display:inline-flex;flex-wrap:wrap}
.seg.inline button{flex:none;padding:8px 12px}
.settings .panel>h2{font-size:18px;margin-bottom:8px}