/* ==========================================================================
   CtrlWAM project page — styles (shares tokens, fonts and media with the deck)
   ========================================================================== */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('site/vendor/fonts/inter-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('site/vendor/fonts/inter-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('site/vendor/fonts/inter-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('site/vendor/fonts/inter-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:800;font-display:swap;src:url('site/vendor/fonts/inter-latin-800-normal.woff2') format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('site/vendor/fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:600;font-display:swap;src:url('site/vendor/fonts/jetbrains-mono-latin-600-normal.woff2') format('woff2')}

:root{
  --navy:#0B1A3A;--navy-2:#16305F;--green:#88CC02;--green-dark:#5E8F00;--green-soft:#EEF7DA;--green-mid:#B7E36A;
  --ink:#1E2126;--ink-2:#5A616C;--muted:#8B919C;--line:#E3E5E8;--line-2:#CFD5DE;--paper:#fff;--surface:#F6F7F9;--surface-2:#EEF1F5;
  --action:#3B6EF5;--action-dark:#2A54C4;--video:#E8A33D;--video-dark:#B36F0F;--gt:#2E9E62;--gt-dark:#1F7A49;--noise:#8A5CF6;--noise-dark:#6A3FD1;--red:#C0392B;--rust:#B5473A;--magenta:#E020C0;--orange:#D9822B;
  --soft-blue:#E6EEFC;--soft-amber:#FBEEDB;--soft-green:#E3F3EA;--soft-grey:#F4F6F9;--soft-red:#FBE4E1;--soft-purple:#EFE8FD;--soft-navy:#E4E9F3;
  --rank-1:#AED6C0;--rank-2:#D0E8DC;--rank-3:#EAF4EE;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Helvetica,Arial,sans-serif;--mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);--maxw:1160px;--nav-h:64px;--radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px)}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;line-height:1.5;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--green-dark);text-decoration:none}a:hover{text-decoration:underline}
button{font:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.tex{white-space:nowrap}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:100;height:var(--nav-h);background:rgba(255,255,255,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav .brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:800;letter-spacing:-.01em}
.nav .brand img{height:30px;width:auto}
.nav .links{display:flex;gap:22px;font-size:14px;font-weight:600}
.nav .links a{color:var(--ink-2);padding:6px 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.nav .links a:hover,.nav .links a.active{color:var(--navy);border-bottom-color:var(--green);text-decoration:none}
.nav .cta{display:flex;gap:8px}
.nav .progress{position:absolute;left:0;bottom:-1px;height:3px;width:0;background:var(--green);transition:width .15s linear}
.nav.on-dark{background:rgba(11,26,58,.72);border-bottom-color:rgba(255,255,255,.1)}
.nav.on-dark .brand,.nav.on-dark .links a{color:#fff}.nav.on-dark .links a:hover{color:var(--green)}
.nav.on-dark .brand img{filter:brightness(0) invert(1)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;font-weight:700;font-size:14px;border:1.5px solid var(--navy);background:var(--navy);color:#fff;cursor:pointer;transition:transform .15s var(--ease),background .2s,color .2s;text-decoration:none;line-height:1.2}
.btn:hover{transform:translateY(-1px);text-decoration:none;background:var(--navy-2)}
.btn.ghost{background:transparent;color:var(--navy)}.btn.ghost:hover{background:var(--soft-navy)}
.btn.green{background:var(--green);border-color:var(--green);color:var(--navy)}.btn.green:hover{background:#9BDD1A}
.btn.light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff}.btn.light:hover{background:rgba(255,255,255,.18)}
.btn.sm{padding:7px 13px;font-size:13px}
.btn[aria-disabled=true]{opacity:.55;pointer-events:none}

/* ---------- hero ---------- */
.hero{position:relative;min-height:calc(100vh - var(--nav-h));display:flex;align-items:center;overflow:hidden;color:#fff;background:radial-gradient(1300px 900px at 18% 8%,var(--navy-2) 0%,var(--navy) 52%,#06112A 100%)}
.hero-anim.anim{position:absolute;top:0;bottom:0;left:0;width:100%;pointer-events:none;border:none;border-radius:0;background:transparent}
@media (max-width:1000px){.hero-anim.anim{left:0;right:0;opacity:.45}}
.hero-anim .anim-mount{position:absolute;inset:0}
.hero-anim .anim-mount > div{width:100% !important;height:100% !important}
.hero::before{content:'';position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px) 0 0/96px 96px,
  linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px) 0 0/96px 96px;
  mask-image:radial-gradient(900px 700px at 70% 60%,#000 20%,transparent 100%)}
.hero .shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(11,26,58,.92) 0%,rgba(11,26,58,.75) 42%,rgba(11,26,58,.15) 70%,rgba(11,26,58,0) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:88px;padding-bottom:88px;width:100%}
@media (min-width:1500px){.hero .wrap{transform:translateX(-140px)}}
.hero .kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:22px}
.hero .kicker .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(136,204,2,.6);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(136,204,2,.6)}70%{box-shadow:0 0 0 12px rgba(136,204,2,0)}100%{box-shadow:0 0 0 0 rgba(136,204,2,0)}}
.hero h1{margin:0 0 16px;font-size:clamp(64px,9vw,124px);font-weight:800;letter-spacing:-.035em;line-height:.95}
.hero h1 .ch{display:inline-block;opacity:0;transform:translateY(30px) rotate(4deg);animation:chIn .7s var(--ease) forwards}
@keyframes chIn{to{opacity:1;transform:none}}
.hero h1 .wam{color:var(--green)}
.hero .sub{font-size:clamp(20px,2.3vw,30px);font-weight:600;color:#E6EBF5;max-width:760px;line-height:1.3;margin:0 0 26px}
.hero .pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.pill{display:inline-block;padding:7px 14px;border-radius:999px;font-size:14px;font-weight:600;background:var(--soft-grey);color:var(--ink);border:1px solid var(--line);line-height:1.2}
.pill.outline{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.3);color:#fff}
.pill.green{background:var(--green-soft);color:var(--green-dark);border-color:#CFE7A0}
.hero .actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:44px}
.hero .meta{font-size:14px;color:#93A1BD;margin-bottom:38px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:900px}
.stat{padding:16px 18px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(6px)}
.stat .v{font-size:34px;font-weight:800;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;color:#fff}
.stat .v .unit{font-size:15px;font-weight:600;color:#B9C4DA;margin-left:4px}
.stat .from{display:block;font-size:12px;color:#93A1BD;margin-top:8px;font-family:var(--mono)}
.stat .l{font-size:13px;color:#B9C4DA;margin-top:6px;line-height:1.35}
.hero .scroll-cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);color:#93A1BD;font-size:12px;letter-spacing:.12em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px;z-index:2}
.hero .scroll-cue span{width:1px;height:38px;background:linear-gradient(var(--green),transparent);animation:cue 1.6s infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- sections ---------- */
.section{padding:104px 0}
.section.tint{background:var(--surface)}
.section.dark{background:radial-gradient(1200px 800px at 80% 0%,var(--navy-2) 0%,var(--navy) 55%,#06112A 100%);color:#fff}
.section.dark .eyebrow{color:var(--green)}.section.dark h2{color:#fff}.section.dark .lead,.section.dark p{color:#D5DDEB}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--green-dark);margin:0 0 12px}
.eyebrow .num{display:inline-block;min-width:26px;height:26px;line-height:26px;text-align:center;border-radius:8px;background:var(--green-dark);color:#fff;margin-right:10px;font-family:var(--mono);letter-spacing:0;font-size:13px;vertical-align:middle;position:relative;top:-1px}
h2{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-.025em;line-height:1.1;color:var(--navy);margin:0 0 18px}
h2 .accent,:is(h1,h2,h3,p,span):not(.katex *).accent{color:var(--green-dark)}
h3{font-size:22px;font-weight:700;color:var(--navy);margin:0 0 10px;letter-spacing:-.01em}
.lead{font-size:20px;line-height:1.5;color:var(--ink-2);margin:0 0 28px;text-wrap:pretty}
p{margin:0 0 1em}
.two{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.two > *,.three > *,.cf-grid > *,.warp-grid > *,.slides-card > *,.scrolly > *{min-width:0}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius);padding:24px 26px;box-shadow:0 10px 30px rgba(11,26,58,.05)}
.card.flat{box-shadow:none}
.card.tint-blue{background:var(--soft-blue);border-color:#CBD9F4}.card.tint-amber{background:var(--soft-amber);border-color:#F3D9B4}.card.tint-green{background:var(--soft-green);border-color:#BFE3CD}.card.tint-red{background:var(--soft-red);border-color:#F1C4BD}.card.tint-grey{background:var(--soft-grey)}.card.tint-navy{background:var(--soft-navy);border-color:#C8D2E6}
.card .kicker{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green-dark);margin-bottom:8px}
.card p{font-size:16px;color:var(--ink);margin:0 0 .6em}.card p:last-child{margin:0}
.section.dark .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);box-shadow:none}
.section.dark .card h3{color:#fff}.section.dark .card p{color:#E1E7F2}.section.dark .card .kicker{color:var(--green)}
.tag{display:inline-block;padding:3px 10px;border-radius:7px;font-size:13px;font-weight:700;line-height:1.35;vertical-align:middle}
.tag.action{background:var(--soft-blue);color:var(--action-dark)}.tag.video{background:var(--soft-amber);color:var(--video-dark)}.tag.gt{background:var(--soft-green);color:var(--gt-dark)}.tag.noise{background:var(--soft-purple);color:var(--noise-dark)}.tag.red{background:var(--soft-red);color:var(--red)}.tag.grey{background:var(--soft-grey);color:var(--ink-2)}.tag.navy{background:var(--navy);color:#fff}
.caption{font-size:14px;color:var(--ink-2);line-height:1.5;margin-top:12px}.caption b{color:var(--navy)}
.figure{border:1.5px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.figure img{width:100%}
.zoomable{cursor:zoom-in}
.eq{font-size:20px;color:var(--navy);text-align:center;padding:18px 20px;border-radius:14px;background:var(--surface);border:1.5px solid var(--line);margin:14px 0;overflow-x:auto;overflow-y:hidden;max-width:100%}
@media (max-width:640px){.eq{font-size:16px;text-align:left}}
.eq .katex{font-size:1.15em}
.section.dark .eq{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.14);color:#fff}
ul.list{margin:0;padding:0;list-style:none}
ul.list li{position:relative;padding-left:28px;margin:0 0 12px;font-size:17px;line-height:1.5}
ul.list li::before{content:'';position:absolute;left:2px;top:.6em;width:10px;height:10px;border-radius:50%;background:var(--green)}
ol.steps{margin:0;padding:0;list-style:none;counter-reset:s}
ol.steps li{position:relative;padding-left:48px;margin:0 0 16px;font-size:17px;line-height:1.5;counter-increment:s}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:.05em;width:32px;height:32px;border-radius:9px;background:var(--navy);color:#fff;font-weight:700;font-size:15px;text-align:center;line-height:32px;font-family:var(--mono)}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}
.reveal.from-left{transform:translateX(-30px)}.reveal.from-right{transform:translateX(30px)}.reveal.scale{transform:scale(.94)}
.reveal.in.from-left,.reveal.in.from-right,.reveal.in.scale{transform:none}
.stagger > *{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.stagger.in > *{opacity:1;transform:none}
.stagger.in > *:nth-child(1){transition-delay:.05s}.stagger.in > *:nth-child(2){transition-delay:.15s}.stagger.in > *:nth-child(3){transition-delay:.25s}.stagger.in > *:nth-child(4){transition-delay:.35s}.stagger.in > *:nth-child(5){transition-delay:.45s}.stagger.in > *:nth-child(6){transition-delay:.55s}.stagger.in > *:nth-child(7){transition-delay:.65s}.stagger.in > *:nth-child(8){transition-delay:.75s}
.grow{clip-path:inset(0 0 100% 0);transition:clip-path 1.1s var(--ease)}
.grow.in,.reveal.in .grow{clip-path:inset(0 0 0 0)}
.wipe{clip-path:inset(0 100% 0 0);transition:clip-path 1s var(--ease)}
.wipe.in{clip-path:inset(0)}
@media (prefers-reduced-motion: reduce){.reveal,.stagger > *,.grow,.wipe{opacity:1 !important;transform:none !important;clip-path:none !important;transition:none !important}.hero h1 .ch{opacity:1;transform:none;animation:none}}

/* ---------- animation containers (Remotion Player) ---------- */
.anim{position:relative;width:100%;border-radius:16px;overflow:hidden;background:#fff;border:1.5px solid var(--line)}
.anim.bare{border:none;background:transparent}
.anim .anim-mount{position:absolute;inset:0}
.anim .anim-mount > div{width:100% !important;height:100% !important}
.anim video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.anim .anim-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--ink-2);font-size:14px;background:var(--surface);text-align:center;padding:12px}
.anim .anim-fallback img{width:100%;height:100%;object-fit:contain}
.anim .ctl{position:absolute;right:10px;bottom:10px;display:flex;gap:6px;z-index:3;opacity:0;transition:opacity .2s}
.anim:hover .ctl{opacity:1}
.anim .ctl button{width:34px;height:34px;border-radius:50%;border:none;background:rgba(11,26,58,.78);color:#fff;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center}
.anim-label{position:absolute;left:12px;top:10px;z-index:3;padding:4px 10px;border-radius:8px;background:rgba(11,26,58,.8);color:#fff;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}

/* ---------- scrollytelling (problem) ---------- */
.scrolly{display:block;margin-top:28px}
.scrolly .steps{display:grid !important;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;height:auto}
.scrolly .step .card{transform:translateY(8px)}
.scrolly .step{min-height:0}
.scene .frame.seq img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0}
.scene .frame.seq img.on{opacity:1}
.scene .frame.seq .noise{z-index:2}
.scene .frame.seq .lbl{z-index:3}
.scene .seq-dots{position:absolute;right:10px;bottom:8px;display:flex;gap:5px;z-index:3}
.scene .seq-dots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.45)}
.scene .seq-dots i.on{background:#fff}
@media (max-width:900px){.scrolly .steps{grid-template-columns:minmax(0,1fr)}}
.scrolly .sticky{position:relative;top:auto}
.scrolly .steps{display:flex;flex-direction:column;gap:14px;justify-content:center;height:100%}
.scrolly .step{min-height:0;display:flex;align-items:center;cursor:pointer}
.scrolly .step .card{opacity:.45;transform:translateX(12px);transition:opacity .5s,transform .5s var(--ease)}
.scrolly .step.on .card{opacity:1;transform:none}
.scene{position:relative;border-radius:var(--radius);padding:22px;background:var(--soft-blue);border:1.5px solid #CBD9F4;transition:background .6s,border-color .6s}
.scene.s1{background:var(--soft-amber);border-color:#F3D9B4}.scene.s2{background:var(--soft-red);border-color:#F1C4BD}
.scene .title-row{display:flex;justify-content:flex-start;align-items:baseline;gap:14px;margin-bottom:12px}
.scene .title-row .k{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.scene .title-row .t{font-size:20px;font-weight:800;color:var(--gt-dark);transition:color .4s}
.scene.s1 .title-row .t{color:var(--video-dark)}.scene.s2 .title-row .t{color:var(--red)}
.scene .frames{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.scene .frame{position:relative;border-radius:10px;overflow:hidden;border:1.5px solid var(--line);aspect-ratio:4/3;background:#000}
.scene .frame img{width:100%;height:100%;object-fit:cover}
.scene .frame .lbl{position:absolute;left:8px;top:6px;padding:2px 8px;border-radius:6px;background:rgba(11,26,58,.8);color:#fff;font-size:12px;font-weight:600}
.scene .frame .noise{position:absolute;inset:0;opacity:0;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 .5 0 0 0 0 .5 0 0 0 0 .5 0 0 0 .9 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");pointer-events:none}
.scene .bottom{display:flex;gap:16px;align-items:flex-start}
.scene .frame.seq img{transition:filter .3s}
.scene svg.road{width:150px;height:225px;border-radius:10px;flex:none}
.scene .verdicts{display:flex;flex-direction:column;gap:8px;padding-top:4px}
.scene .verdict{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:8px;font-size:14px;font-weight:700;opacity:0;transform:translateY(6px);transition:opacity .4s,transform .4s var(--ease)}
.scene .verdict.show{opacity:1;transform:none}
.scene .verdict.ok{background:var(--soft-green);color:var(--gt-dark)}.scene .verdict.bad{background:var(--soft-red);color:var(--red)}.scene .verdict.warn{background:var(--soft-amber);color:var(--video-dark)}
.scene .verdict.ok.static{opacity:1;transform:none}
.scene .band{margin-top:16px;padding:12px 16px;border-radius:10px;background:var(--navy);color:#fff;font-size:15px;font-weight:600;opacity:0;transform:translateY(8px);transition:opacity .5s,transform .5s var(--ease)}
.scene .band.show{opacity:1;transform:none}
.scene .band b{color:var(--green)}

/* ---------- scroll-scrubbed animation ---------- */
.scrub{position:relative;padding-bottom:0}
.scrub .stage{position:relative;display:flex;flex-direction:column;gap:12px}
.scrub .anim{max-height:none}
@media (max-width:1000px){.scrub > div[style*="grid-template-columns"]{grid-template-columns:minmax(0,1fr) !important}}
.scrub .readout{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--ink-2)}
.scrub .readout .bar{flex:1;height:10px;margin:0 16px;border-radius:5px;background:var(--line);overflow:hidden;position:relative}
.scrub .readout .bar:hover{height:12px}
.scrub .readout .bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--video),var(--action));border-radius:5px}
.scrub .hint{font-size:13px;color:var(--muted);text-align:center}

/* ---------- method tabs ---------- */
.tabs{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:26px}
.tabs button{padding:10px 18px;border-radius:999px;font-size:14px;font-weight:700;border:1.5px solid var(--line-2);background:#fff;color:var(--navy);cursor:pointer;transition:all .18s}
.tabs button:hover{border-color:var(--navy)}
.tabs button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.panel{display:none}.panel.on{display:block;animation:panelIn .5s var(--ease)}
@keyframes panelIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* ---------- explorers ---------- */
.explorer{background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 12px 34px rgba(11,26,58,.06)}
.section.dark .explorer{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14);box-shadow:none}
.explorer .row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px}
.explorer .row .lab{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin-right:4px}
.seg{display:inline-flex;flex-wrap:wrap;max-width:100%;border:1.5px solid var(--line-2);border-radius:14px;overflow:hidden;background:#fff}
.seg button{padding:8px 14px;border:none;background:transparent;color:var(--navy);font-weight:600;font-size:14px;cursor:pointer;display:flex;align-items:center;gap:8px}
.seg button .sw{width:10px;height:10px;border-radius:3px;display:inline-block}
.seg button.on{background:var(--navy);color:#fff}
.seg button:not(:last-child){border-right:1px solid var(--line)}
input[type=range]{-webkit-appearance:none;appearance:none;height:6px;border-radius:3px;background:var(--line);outline:none;flex:1;min-width:160px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--navy);cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.2)}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--navy);cursor:pointer}
.readout{font-family:var(--mono);font-size:14px;color:var(--navy);min-width:80px;text-align:right}
.play{width:40px;height:40px;border-radius:50%;border:none;background:var(--navy);color:#fff;cursor:pointer;font-size:15px;display:inline-flex;align-items:center;justify-content:center;flex:none}
.play:hover{background:var(--navy-2)}
.cf-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.cf-view{position:relative;border-radius:14px;overflow:hidden;border:3px solid var(--gt);aspect-ratio:416/240;background:#000;transition:border-color .3s}
.cf-view img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0}
.cf-view img.on{opacity:1}
.cf-view .t{position:absolute;left:12px;top:10px;padding:4px 10px;border-radius:8px;background:rgba(11,26,58,.8);color:#fff;font-family:var(--mono);font-size:14px;z-index:2}
.cf-view .bev{position:absolute;right:10px;bottom:10px;width:64px;height:98px;border-radius:6px;border:2px solid rgba(255,255,255,.9);background:#fff;overflow:hidden;z-index:2}
.cf-view .bev img{position:static;opacity:1;width:100%;height:100%;object-fit:cover}
.cf-side .metric{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.cf-side .metric b{font-family:var(--mono);font-weight:600;color:var(--navy)}
.cf-side .metric:last-child{border-bottom:none}
.cf-side .desc{font-size:15px;color:var(--ink-2);margin-top:12px;line-height:1.5}
.rt-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.rt-col .hd{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:8px;font-size:14px;font-weight:700;color:var(--navy)}
.rt-col .hd .sw{width:10px;height:10px;border-radius:3px;display:inline-block;margin-right:6px}
.rt-col .hd .acc{font-family:var(--mono);font-size:12px;font-weight:600;padding:2px 7px;border-radius:6px;background:var(--soft-grey);color:var(--ink-2)}
.rt-col .hd .acc.best{background:var(--green-soft);color:var(--green-dark)}
.rt-view{position:relative;aspect-ratio:300/222;border-radius:12px;overflow:hidden;border:3px solid var(--line-2);background:#fff}
/* Swap sequence frames immediately: fading both layers exposes the white background. */
.rt-view img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0}
.rt-view img.on{opacity:1}
.rt-view .f{position:absolute;left:8px;top:6px;padding:2px 8px;border-radius:6px;background:rgba(11,26,58,.8);color:#fff;font-family:var(--mono);font-size:12px}
.rt-instr{margin-top:14px;padding:12px 16px;border-radius:10px;background:var(--soft-grey);font-size:15px;color:var(--ink)}
.rt-instr b{color:var(--navy)}
select{font:inherit;font-size:14px;padding:8px 12px;border-radius:10px;border:1.5px solid var(--line-2);background:#fff;color:var(--navy);max-width:100%}
.warp-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:start}
.warp-chart{aspect-ratio:1.15;min-height:320px}
.bars .bar{display:grid;grid-template-columns:130px 1fr 56px;gap:12px;align-items:center;margin:10px 0;font-size:14px;font-weight:600;color:var(--navy)}
.bars .bar .track{height:14px;border-radius:7px;background:var(--line);overflow:hidden}
.bars .bar .track i{display:block;height:100%;border-radius:7px;transition:width .25s var(--ease)}
.bars .bar .val{font-family:var(--mono);font-weight:600;text-align:right}
.warp-note{font-size:14px;color:var(--ink-2);margin-top:10px;line-height:1.5}

/* ---------- tables ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:15px;font-variant-numeric:tabular-nums}
.tbl thead th{font-weight:700;color:var(--navy);text-align:center;padding:10px 10px;border-bottom:2px solid var(--navy);white-space:nowrap}
.tbl thead tr.group th{border-bottom:1px solid var(--line-2);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);padding-bottom:6px}
.tbl th:first-child,.tbl td:first-child{text-align:left}
.tbl td{padding:10px 10px;text-align:center;border-bottom:1px solid var(--line)}
.tbl td:first-child{font-weight:600;color:var(--navy)}
.tbl tbody tr:last-child td{border-bottom:none}
.tbl tr.sep td{border-top:2px solid var(--line-2)}
.tbl tr.ours td{background:var(--green-soft)}.tbl tr.ours td:first-child{color:var(--green-dark);font-weight:800}
.tbl tr.muted td{color:var(--muted)}.tbl tr.muted td:first-child{color:var(--muted)}
.tbl b{font-weight:800;color:var(--navy)}.tbl u{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;text-decoration-color:var(--muted)}
.tbl .r1{background:var(--rank-1)}.tbl .r2{background:var(--rank-2)}.tbl .r3{background:var(--rank-3)}
.tbl .dn::after{content:' ↓';color:var(--muted);font-weight:500}.tbl .up::after{content:' ↑';color:var(--muted);font-weight:500}
.tbl.rows-reveal tbody tr{opacity:0;transform:translateX(-10px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.tbl.rows-reveal.in tbody tr{opacity:1;transform:none}
.tbl.rows-reveal.in tbody tr:nth-child(1){transition-delay:.1s}.tbl.rows-reveal.in tbody tr:nth-child(2){transition-delay:.2s}.tbl.rows-reveal.in tbody tr:nth-child(3){transition-delay:.3s}.tbl.rows-reveal.in tbody tr:nth-child(4){transition-delay:.4s}.tbl.rows-reveal.in tbody tr:nth-child(5){transition-delay:.5s}.tbl.rows-reveal.in tbody tr:nth-child(6){transition-delay:.6s}.tbl.rows-reveal.in tbody tr:nth-child(7){transition-delay:.7s}
.tbl-wrap{overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch}
.legend{display:flex;gap:16px;align-items:center;font-size:13px;color:var(--ink-2);flex-wrap:wrap;margin-top:10px}
.legend .sw{display:inline-block;width:14px;height:14px;border-radius:3px;vertical-align:-2px;margin-right:6px}
.delta{display:inline-block;padding:3px 10px;border-radius:8px;font-size:13px;font-weight:700;font-family:var(--mono);background:var(--soft-green);color:var(--gt-dark)}
.chart{width:100%}
.chart svg{width:100%;height:auto;display:block;overflow:visible}
.chart svg text{font-family:var(--font)}

/* ---------- slides teaser ---------- */
.slides-card{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
.slides-card .shot{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 30px 70px rgba(11,26,58,.35);transform:perspective(1200px) rotateY(-6deg) rotateX(2deg);transition:transform .6s var(--ease)}
.slides-card .shot:hover{transform:perspective(1200px) rotateY(0) rotateX(0)}
.slides-card .shot img{width:100%;display:block}
.slides-card .shot .badge{position:absolute;left:14px;top:12px;padding:4px 10px;border-radius:8px;background:var(--green);color:var(--navy);font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.kbd{display:inline-block;padding:1px 7px;border-radius:5px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);font-family:var(--mono);font-size:12px}

/* ---------- citation / footer ---------- */
pre.bib{background:var(--navy);color:#E6EBF5;padding:20px 22px;border-radius:14px;font-family:var(--mono);font-size:13px;line-height:1.55;overflow:auto;margin:0}
.footer{padding:40px 0 60px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:500;background:rgba(6,12,28,.92);display:none;align-items:center;justify-content:center;padding:30px;cursor:zoom-out}
.lightbox.show{display:flex}
.lightbox img{max-width:100%;max-height:100%;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lightbox .hint{position:absolute;bottom:18px;left:0;right:0;text-align:center;color:#93A1BD;font-size:13px}

/* ---------- responsive ---------- */
@media (max-width: 1000px){
  .two,.three,.scrolly,.cf-grid,.warp-grid,.slides-card{grid-template-columns:1fr}
  .scrolly .sticky{position:relative;top:auto}
  .scrolly .step{min-height:0;margin:18px 0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .rt-grid{grid-template-columns:repeat(2,1fr)}
  .nav .links{display:none}
  .hero .shade{background:linear-gradient(180deg,rgba(11,26,58,.55),rgba(11,26,58,.92))}
  .scrub{height:auto}.scrub .stage{position:relative;height:auto;top:auto}
}
@media (max-width: 640px){
  .section{padding:64px 0}
  .seg button{flex:1 1 auto;justify-content:center}
  .explorer{padding:16px}
  .explorer .row select{width:100%}
  .rt-grid{grid-template-columns:1fr 1fr;gap:8px}
  .cf-view .bev{width:48px;height:74px}
  .stats{grid-template-columns:1fr 1fr}
  .stat .v{font-size:28px}
  .hero .actions .btn{width:100%;justify-content:center}
}

/* ---------- animated teaser figure ---------- */
.teaser-wrap{max-width:100%}
.teaser{position:relative;width:100%;border-radius:18px;overflow:hidden;border:1.5px solid var(--line);box-shadow:0 14px 40px rgba(11,26,58,.08);background:#fff}
.teaser .katex{font-size:1em}
.teaser-ctl button{width:32px;height:32px;border-radius:50%;border:none;background:rgba(11,26,58,.78);color:#fff;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s}
.teaser:hover .teaser-ctl button{opacity:1}
.reveal.scale.in .teaser-canvas{}

.scene .frame.seq{width:100%}
@media (max-width:900px){.scene .title-row + div{grid-template-columns:minmax(0,1fr) !important}.scene .frame.seq{width:100% !important;height:auto !important}}