/* PACT Hand — project page stylesheet */
/* IBM Plex (SIL Open Font License 1.1, see assets/fonts/OFL.txt), self-hosted */
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-400-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/ibm-plex-sans-greek-400-normal.woff2) format('woff2');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-500-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/ibm-plex-sans-greek-500-normal.woff2) format('woff2');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-600-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/ibm-plex-sans-greek-600-normal.woff2) format('woff2');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-700-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/ibm-plex-sans-greek-700-normal.woff2) format('woff2');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-600-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{
  --bg:#ffffff; --bg-soft:#f4f6f8; --bg-deep:#0b0e12; --bg-deep-2:#141920;
  --ink:#0e1217; --text:#2a313a; --muted:#5c6672; --faint:#8a939e;
  --line:#e3e7ec; --line-strong:#cfd6de;
  --pact:#1f4e79; --pact-600:#245a8b; --pact-50:#eef4fa; --pact-100:#dbe7f2; --pact-on-dark:#8fb9e2;
  --leap:#6e7075; --tip:#9c4f2a; --human:#3d3d3d;
  --ok:#1e6b47; --ok-bg:#e6f2eb; --bad:#8e2b1e; --bad-bg:#f6e8e5;
  --radius:16px; --radius-sm:10px;
  --wrap:1180px;
  --shadow:0 1px 2px rgba(14,18,23,.05),0 8px 28px rgba(14,18,23,.06);
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.62 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,video{display:block;max-width:100%}
a{color:var(--pact);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:600;letter-spacing:-.012em}
p{margin:0 0 1em}
sup{font-size:.7em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono)}
.num{font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:22px;height:62px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand svg{width:26px;height:26px}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{color:var(--muted);font-size:14.5px;font-weight:500;padding:7px 11px;border-radius:8px}
.nav-links a:hover{color:var(--ink);background:var(--bg-soft);text-decoration:none}
.nav-links a.active{color:var(--ink);background:var(--pact-50)}
.nav-cta{display:inline-flex;align-items:center;gap:7px;background:var(--pact);color:#fff;font-size:14px;font-weight:600;padding:8px 15px;border-radius:999px}
.nav-cta:hover{background:var(--pact-600);text-decoration:none}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line-strong);border-radius:9px;padding:7px 10px;font:500 14px var(--sans);color:var(--ink);cursor:pointer}
@media (max-width:980px){
  .nav-links{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;padding:10px 20px 16px;gap:2px}
  .nav-links.open{display:flex}
  .nav-links a{font-size:16px;padding:10px 8px}
  .nav-toggle{display:inline-block}
  .nav-cta{display:none}
}

/* ---------- buttons / chips ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font:600 15px/1 var(--sans);padding:13px 20px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--pact);color:#fff}
.btn-primary:hover{background:var(--pact-600)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink)}
.btn[aria-disabled="true"]{cursor:default;color:var(--muted);background:rgba(255,255,255,.7)}
.btn[aria-disabled="true"]:hover{border-color:var(--line-strong)}
.btn small{font:500 11.5px var(--mono);color:var(--faint);letter-spacing:.02em}
.chip{display:inline-flex;align-items:center;gap:6px;font:500 12px/1 var(--mono);letter-spacing:.02em;padding:5px 9px;border-radius:999px;background:var(--bg-soft);color:var(--muted);white-space:nowrap}
.chip.ok{background:var(--ok-bg);color:var(--ok)}
.chip.bad{background:var(--bad-bg);color:var(--bad)}
.chip.pact{background:var(--pact-50);color:var(--pact)}
.kicker{font:500 12.5px/1 var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--pact);margin-bottom:14px}
.kicker span{color:var(--faint)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1200px 520px at 78% 30%,#e6edf5 0%,rgba(230,237,245,0) 70%),
  linear-gradient(#fbfcfd,#ffffff)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(31,78,121,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(31,78,121,.055) 1px,transparent 1px);background-size:36px 36px;-webkit-mask-image:radial-gradient(900px 480px at 70% 35%,#000 20%,transparent 75%);mask-image:radial-gradient(900px 480px at 70% 35%,#000 20%,transparent 75%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:40px;align-items:center;padding-top:56px;padding-bottom:36px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font:500 12.5px var(--mono);letter-spacing:.05em;color:var(--muted);background:#fff;border:1px solid var(--line);padding:6px 11px;border-radius:999px;margin-bottom:22px}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:#d49a2a;display:inline-block}
.hero h1{font-size:clamp(52px,7.2vw,84px);line-height:.98;font-weight:700;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--pact)}
.hero .title{font-size:19px;line-height:1.45;color:var(--ink);font-weight:500;margin:18px 0 16px;max-width:34em}
.hero .lead{font-size:17px;color:var(--muted);max-width:33em}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 18px}
.hero-meta{font-size:14.5px;color:var(--muted)}
.hero-meta b{color:var(--ink);font-weight:600}
.viewer{position:relative;height:590px;border-radius:22px;background:radial-gradient(90% 80% at 50% 38%,#ffffff 0%,#eef1f5 62%,#e3e8ee 100%);border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
.viewer model-viewer{width:100%;height:100%;--poster-color:transparent;background:transparent}
.viewer-tag{position:absolute;left:18px;top:16px;font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.viewer-bar{position:absolute;left:14px;right:14px;bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;pointer-events:none}
.viewer-bar > *{pointer-events:auto}
.viewer-hint{font:500 12px var(--mono);color:var(--faint);background:rgba(255,255,255,.75);padding:6px 10px;border-radius:999px}
.seg{display:inline-flex;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:999px;padding:3px;gap:2px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.seg button{border:0;background:none;font:500 13px var(--sans);color:var(--muted);padding:7px 13px;border-radius:999px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
.viewer-legend{position:absolute;right:18px;top:14px;display:flex;flex-direction:column;gap:6px;font:500 12px var(--mono);color:var(--muted);text-align:right}
.viewer-legend span{display:inline-flex;align-items:center;justify-content:flex-end;gap:7px}
.viewer-legend i{width:10px;height:10px;border-radius:3px;display:inline-block;border:1px solid rgba(0,0,0,.12)}

/* spec strip */
.specs{position:relative;display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--line);border-radius:18px;background:#fff;margin-bottom:56px;box-shadow:var(--shadow)}
.spec{padding:18px 18px;border-left:1px solid var(--line)}
.spec:first-child{border-left:0}
.spec .v{font-size:27px;font-weight:600;color:var(--ink);letter-spacing:-.02em;line-height:1.1;white-space:nowrap}
.spec .v small{font-size:14px;font-weight:500;color:var(--muted);margin-left:3px}
.spec .k{font:500 11.5px var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--pact);margin-top:8px}
.spec .s{font-size:13.5px;color:var(--muted);margin-top:2px;line-height:1.35}

/* ---------- sections ---------- */
section.block{padding:96px 0}
section.soft{background:var(--bg-soft)}
section.deep{background:var(--bg-deep);color:#c9d1da}
section.deep h2,section.deep h3{color:#fff}
.sec-head{max-width:820px;margin-bottom:40px}
.sec-head h2{font-size:clamp(30px,3.6vw,42px);line-height:1.12;margin-bottom:16px}
.sec-head p{font-size:18px;color:var(--muted);margin:0}
section.deep .sec-head p{color:#9aa6b3}
section.deep .kicker{color:var(--pact-on-dark)}
.sub{margin-top:72px}
.sub h3{font-size:25px;line-height:1.25;margin-bottom:10px}
.sub > p.intro{max-width:780px;color:var(--muted);margin-bottom:26px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

/* glance cards */
.glance{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;color:var(--text)}
.stat:hover{text-decoration:none;border-color:var(--line-strong)}
.stat .v{font-size:44px;line-height:1;font-weight:700;color:var(--pact);letter-spacing:-.03em}
.stat .v small{font-size:20px;font-weight:600;letter-spacing:0;margin-left:2px}
.stat .k{font-weight:600;color:var(--ink);margin:14px 0 6px;font-size:16px;line-height:1.35}
.stat .c{font:500 13px/1.45 var(--mono);color:var(--muted);margin-top:auto;padding-top:10px}
.stat .go{font:500 12px var(--mono);color:var(--pact);margin-top:14px}

/* video */
.video-frame{border-radius:18px;overflow:hidden;background:#000;box-shadow:0 20px 60px rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.08)}
.video-frame video{width:100%;aspect-ratio:16/9;background:#000}
.video-note{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:16px;font:500 13px var(--mono);color:#8995a2}

/* abstract */
.abstract{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:start}
.abstract p{font-size:17.5px;line-height:1.72;color:var(--text)}
.figure{margin:0}
.figure .frame{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow)}
.figure img{width:100%;height:auto;border-radius:8px}
.figure figcaption{font-size:14px;line-height:1.5;color:var(--muted);margin-top:12px}
.figure figcaption b{font:600 12.5px var(--mono);color:var(--ink);letter-spacing:.02em;margin-right:6px}

/* feature cards */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:56px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}
.feature .n{font:500 13px var(--mono);color:var(--pact);letter-spacing:.06em}
.feature h3{font-size:20px;margin:10px 0 10px}
.feature p{font-size:15.5px;color:var(--muted);margin:0}

/* stage player */
.stage-wrap{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:28px;align-items:start}
.player{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow)}
.player video{width:100%;aspect-ratio:16/9;border-radius:8px;background:#fff}
.scrub{display:flex;align-items:center;gap:12px;padding:12px 6px 4px}
.scrub button.pp{flex:none;width:34px;height:34px;border-radius:50%;border:1px solid var(--line-strong);background:#fff;cursor:pointer;display:grid;place-items:center}
.scrub button.pp svg{width:14px;height:14px;fill:var(--ink)}
.track{position:relative;flex:1;height:44px}
.track input[type=range]{position:absolute;left:0;right:0;top:4px;width:100%;margin:0;-webkit-appearance:none;appearance:none;background:transparent;height:18px;cursor:pointer}
.track input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:4px;background:linear-gradient(90deg,var(--pact) var(--p,0%),var(--line) var(--p,0%))}
.track input[type=range]::-moz-range-track{height:4px;border-radius:4px;background:var(--line)}
.track input[type=range]::-moz-range-progress{height:4px;border-radius:4px;background:var(--pact)}
.track input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:#fff;border:2px solid var(--pact);margin-top:-6px;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.track input[type=range]::-moz-range-thumb{width:13px;height:13px;border-radius:50%;background:#fff;border:2px solid var(--pact)}
.ticks{position:absolute;left:0;right:0;top:26px;height:18px}
.ticks button{position:absolute;transform:translateX(-50%);border:0;background:none;padding:0 2px;font:600 12px var(--mono);color:var(--faint);cursor:pointer}
.ticks button.on{color:var(--pact)}
.ticks button:first-child{transform:none}
.ticks button:last-child{transform:translateX(-100%)}
.ladder{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.ladder li{position:relative;padding:0 0 15px 20px;font-size:15px;line-height:1.45;color:var(--muted)}
.ladder li::before{content:"";position:absolute;left:-7px;top:5px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--line-strong)}
.ladder li b{font:600 13px var(--mono);color:var(--ink);margin-right:8px}
.ladder li.on::before{border-color:var(--pact);background:var(--pact)}
.ladder li.on{color:var(--ink)}
.note{font-size:14.5px;line-height:1.55;color:var(--muted);background:#fff;border:1px solid var(--line);border-left:3px solid var(--pact);border-radius:10px;padding:14px 16px}
.note b{color:var(--ink)}

/* hardware */
.hw{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:44px;align-items:start}
.photo-dark{background:#000;border-radius:22px;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.18)}
.photo-dark img{width:100%;height:auto}
.speclist{margin:0;display:grid;grid-template-columns:150px 1fr;border-top:2px solid var(--ink)}
.speclist dt,.speclist dd{margin:0;padding:12px 0;border-bottom:1px solid var(--line);font-size:15.5px;line-height:1.5}
.speclist dt{font:600 12.5px/1.9 var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--pact)}
.speclist dd{color:var(--text)}
.speclist dd .muted{color:var(--muted)}
.kp{display:flex;gap:18px;align-items:center;margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px}
.hw .kp{flex-direction:column;align-items:stretch;padding:14px 14px 16px}
.hw .kp img{width:100%;max-width:428px;align-self:center}
.kp img{width:220px;border-radius:8px;flex:none}
.kp p{margin:0;font-size:14.5px;color:var(--muted)}

/* clips */
.clips{display:grid;gap:18px}
.clips.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.clips.c3{grid-template-columns:repeat(3,minmax(0,1fr));max-width:940px;margin-left:auto;margin-right:auto}
.clips.narrow{max-width:900px}
.clip{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.clip .bar{height:4px;background:var(--c,var(--ink))}
.clip .hd{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 8px;padding:11px 13px 10px}
.clip .hd b{font-size:15px;color:var(--ink);font-weight:600;line-height:1.25}
.clip .media{position:relative;background:#101318}
.clip video{width:100%;aspect-ratio:9/16;object-fit:cover}
.clip.land video{aspect-ratio:16/9}
.clip .badge{position:absolute;right:9px;bottom:9px;font:600 12px var(--mono);background:rgba(255,255,255,.9);color:var(--ink);padding:4px 7px;border-radius:6px}
.clip .badge.rt{background:rgba(14,18,23,.72);color:#fff}
.clip .out{position:absolute;left:9px;bottom:9px}
.clip .ft{padding:10px 13px 13px;font-size:13.5px;line-height:1.45;color:var(--muted)}
.swipe-hint{display:none;font:500 12px var(--mono);color:var(--faint);margin:-4px 0 10px}
.clip .play{position:absolute;inset:0;display:none;place-items:center;background:rgba(0,0,0,.25);border:0;cursor:pointer}
.clip .play svg{width:54px;height:54px}
.reduced .clip .play{display:grid}
.c-pact{--c:var(--pact)} .c-leap{--c:var(--leap)} .c-tip{--c:var(--tip)} .c-human{--c:var(--human)}

/* live video (landscape) */
.live{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:start}
.live .clip video{aspect-ratio:16/9}

/* toggle image */
.toggle-fig .head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.toggle-fig .head h4{font-size:16px}
.stack{position:relative}
.stack img{width:100%;height:auto;transition:opacity .35s}
.stack img + img{position:absolute;inset:0}
.stack img.hide{opacity:0}
.skel-cap{display:flex;gap:16px;flex-wrap:wrap;font:500 12.5px var(--mono);color:var(--muted);margin-top:10px}

/* tables */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.bt{width:100%;border-collapse:collapse;font-size:15px;font-variant-numeric:tabular-nums}
table.bt caption{caption-side:top;text-align:left;font-size:14px;color:var(--muted);padding-bottom:10px}
table.bt caption b{font:600 12.5px var(--mono);color:var(--ink);margin-right:6px}
table.bt thead tr{border-top:2px solid var(--ink);border-bottom:1px solid var(--ink)}
table.bt tbody tr{border-bottom:1px solid var(--line)}
table.bt tbody tr:last-child{border-bottom:2px solid var(--ink)}
table.bt th{font:600 12px var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--muted);text-align:right;padding:10px 10px;white-space:nowrap}
table.bt td{padding:10px 10px;text-align:right;white-space:nowrap}
table.bt th:first-child,table.bt td:first-child{text-align:left}
table.bt tr.pact td{background:var(--pact-50)}
table.bt tr.pact td:first-child{font-weight:600;color:var(--pact)}
table.bt td.best{font-weight:700;color:var(--ink)}
table.bt tr.sep td{border-top:1px solid var(--line-strong)}
table.bt tr.total td{font-weight:600;color:var(--ink);border-top:1px solid var(--ink)}
.sw{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:8px;vertical-align:1px}
.muted{color:var(--muted)}

/* callouts */
.callouts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.callout{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.callout .v{font-size:28px;font-weight:700;color:var(--pact);letter-spacing:-.02em;line-height:1.1}
.callout h4{font-size:16px;margin:10px 0 6px}
.callout p{font-size:14.5px;color:var(--muted);margin:0}

/* tabs */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tabs button{border:1px solid var(--line-strong);background:#fff;border-radius:999px;padding:9px 15px;font:500 14.5px var(--sans);color:var(--muted);cursor:pointer;display:inline-flex;gap:9px;align-items:center}
.tabs button .sc{font:600 12px var(--mono);color:var(--faint)}
.tabs button[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.tabs button[aria-selected="true"] .sc{color:#b9c3cd}
.tabpanel[hidden]{display:none}
.tab-note{font-size:14.5px;color:var(--muted);margin:16px 0 0;max-width:900px}

/* ycb layout */
.ycb-top{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:36px;align-items:start;margin-bottom:44px}
.times{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.time{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fff}
.time .v{font-size:24px;font-weight:700;letter-spacing:-.02em}
.time .k{font:500 12px var(--mono);color:var(--muted);letter-spacing:.03em}
.time.pact .v{color:var(--pact)} .time.leap .v{color:var(--leap)} .time.tip .v{color:var(--tip)}

/* release */
.release{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.rel{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px 20px;display:flex;flex-direction:column;min-height:210px;color:var(--text)}
a.rel:hover{text-decoration:none;border-color:var(--line-strong)}
.rel .n{font:500 13px var(--mono);color:var(--faint)}
.rel h3{font-size:20px;margin:28px 0 8px}
.rel p{font-size:14.5px;color:var(--muted);margin:0 0 16px}
.rel .chip{margin-top:auto;align-self:flex-start}

/* citation */
.cite{position:relative;background:var(--bg-deep);color:#dfe6ee;border-radius:14px;padding:22px 24px;font:400 14px/1.65 var(--mono);overflow-x:auto}
.cite pre{margin:0;white-space:pre}
.copy{position:absolute;right:12px;top:12px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#dfe6ee;border-radius:8px;padding:6px 10px;font:500 12px var(--mono);cursor:pointer}
.copy:hover{background:rgba(255,255,255,.14)}

/* footer */
footer{background:var(--bg-deep);color:#8995a2;padding:44px 0;font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer b{color:#dfe6ee}

/* responsive */
@media (max-width:1100px){
  .release{grid-template-columns:repeat(3,1fr)}
  .specs{grid-template-columns:repeat(3,1fr)}
  .spec:nth-child(4){border-left:0}
  .spec:nth-child(n+4){border-top:1px solid var(--line)}
}
@media (max-width:980px){
  .hero-grid,.abstract,.stage-wrap,.hw,.live,.ycb-top{grid-template-columns:1fr}
  .viewer{height:470px}
  .glance{grid-template-columns:repeat(2,1fr)}
  .features,.callouts,.grid-2{grid-template-columns:1fr}
  section.block{padding:72px 0}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  body{font-size:16px}
  .hero-grid{padding-top:32px}
  .viewer{height:400px;border-radius:18px}
  .specs{grid-template-columns:repeat(2,1fr)}
  .spec{border-left:0;border-top:1px solid var(--line)}
  .spec:nth-child(-n+2){border-top:0}
  .spec:nth-child(2n){border-left:1px solid var(--line)}
  .spec .v{font-size:25px}
  .glance{grid-template-columns:1fr}
  .clips.c3{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:10px;margin:0 -16px;padding:0 16px 8px;max-width:none;-webkit-overflow-scrolling:touch}
  .clips.c3 .clip{flex:0 0 66%;scroll-snap-align:start}
  .clips.c3::after{content:"";flex:0 0 6px}
  .swipe-hint{display:block}
  .tabs{flex-wrap:nowrap;overflow-x:auto;margin:0 -16px 18px;padding:0 16px 4px}
  .tabs button{flex:none}
  table.bt{font-size:14px}
  table.bt th,table.bt td{padding:9px 7px}
  .viewer-hint{display:none}
  .seg button{padding:7px 11px;white-space:nowrap}
  .release{grid-template-columns:1fr 1fr}
  .times{grid-template-columns:1fr}
  .kp{flex-direction:column;align-items:flex-start}
  .kp img{width:100%}
  .speclist{grid-template-columns:1fr}
  .speclist dt{border-bottom:0;padding-bottom:0}
  .viewer-legend{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}