/* =====================================================================
   RePath Labs — page styles  (/labs.css)
   Loaded AFTER /styles.css on /labs, /research and /research/* pages.
   Every class is prefixed .lb- so nothing here can collide with the
   shared site stylesheet. Colors reuse the site's own :root variables.
   ===================================================================== */

.lb-page {
  --lb-ink: var(--slate-800, #1e293b);
  --lb-ink-strong: var(--slate-900, #0f172a);
  --lb-muted: var(--slate-600, #475569);
  --lb-subtle: var(--slate-500, #64748b);
  --lb-line: var(--slate-200, #e2e8f0);
  --lb-blue: var(--blue-primary, #2A51A3);
  --lb-dark: var(--blue-dark, #004987);
  --lb-deeper: var(--blue-deeper, #003366);
  --lb-tint: #E8EEF7;
  --lb-tint-soft: #F4F7FC;
  --lb-sand: #E8E2D5;
  --lb-sand-ink: #5B4E35;
  --lb-green: var(--green-accent, #62A744);
  --lb-sky: #AFC6F4;
  --lb-ease: cubic-bezier(.2,.7,.3,1);
}

/* ---------- shared helpers ---------- */
.lb-eyebrow { font: 700 12px/1.3 var(--font-body, Roboto, Arial, sans-serif); letter-spacing: .12em; text-transform: uppercase; color: var(--lb-blue); margin: 0 0 10px; }
.lb-eyebrow--sky { color: var(--lb-sky); }
.lb-lede { font-size: 1.125rem; line-height: 1.65; color: var(--lb-muted); max-width: 720px; margin: 0 auto; }
.lb-center { text-align: center; }
.lb-num { font-variant-numeric: tabular-nums; }
.lb-fine { font-size: .8125rem; line-height: 1.5; color: var(--lb-subtle); }
.lb-fine a { color: var(--lb-blue); }
.lb-chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font: 600 12px/1.4 var(--font-body, Roboto, Arial, sans-serif); background: var(--lb-tint); color: var(--lb-dark); white-space: nowrap; }
.lb-chip--pub { background: #E6F2E8; color: #2F7A3E; }
.lb-chip--study { background: var(--lb-tint); color: var(--lb-dark); }
.lb-chip--proto { background: #F1F5F9; color: #334155; }
.lb-chip--live { background: var(--lb-sand); color: var(--lb-sand-ink); }
.lb-link { color: var(--lb-blue); font-weight: 600; text-decoration: none; }
.lb-link:hover { text-decoration: underline; }
.lb-section-header { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.lb-section-header h2 { margin-bottom: 12px; }
.lb-section-header .section-subtitle { margin: 0 auto; }

/* ---------- hero ---------- */
.lb-hero .hero-content { max-width: 960px; margin: 0 auto; text-align: center; }
.lb-hero h1 { max-width: 900px; margin-left: auto; margin-right: auto; }
/* Headline intro: the three terms light up in order on page load. The resting
   (final) state is the element's own style, so with no animation, reduced motion
   or a late stylesheet the headline is simply finished. */
.lb-hero h1 .lb-term { white-space: nowrap; color: #fff; background: linear-gradient(var(--lb-green), var(--lb-green)) no-repeat 0 100% / 100% .11em; padding-bottom: .03em; animation: lb-term-in .7s cubic-bezier(.2, .7, .2, 1) both; animation-delay: calc(.4s + var(--i, 0) * .7s); }
@keyframes lb-term-in { from { color: #94a3b8; background-size: 0 .11em; } 60% { color: #fff; } to { color: #fff; background-size: 100% .11em; } }
.lb-hero .hero-tagline { max-width: 780px; margin-left: auto; margin-right: auto; }
.lb-hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin: 28px 0 36px; }
.lb-hero-stats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; text-align: left; }
.lb-hero-stats li { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; padding: 16px 18px; }
.lb-hero-stats strong { display: block; font: 800 1.75rem/1.1 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-green); letter-spacing: -.01em; margin-bottom: 6px; }
.lb-hero-stats span { display: block; font-size: .875rem; line-height: 1.45; color: #cbd5e1; }
@media (max-width: 900px) { .lb-hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 420px) { .lb-hero-stats strong { font-size: 1.4rem; } .lb-hero-stats li { padding: 14px; } }

/* small screens: let the highlighted terms wrap so the headline never runs off the edge */
@media (max-width: 640px) { .lb-hero h1 .lb-term { white-space: normal; -webkit-box-decoration-break: clone; box-decoration-break: clone; } }

/* ---------- explainer player (“The idea in 60 seconds”) ---------- */
.lb-player { max-width: 980px; margin: 0 auto; }
.lb-stage { position: relative; aspect-ratio: 16 / 9; border-radius: 16px; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, #0f172a 0%, #003366 55%, #004987 100%); box-shadow: 0 20px 25px -5px rgba(0,0,0,.12), 0 10px 10px -5px rgba(0,0,0,.05); }
.lb-scene { position: absolute; inset: 0; display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 4%; padding: 6% 6% 12%; opacity: 0; visibility: hidden; transition: opacity .6s var(--lb-ease), visibility 0s linear .6s; }
.lb-scene.is-on { opacity: 1; visibility: visible; transition: opacity .6s var(--lb-ease), visibility 0s; }
.lb-scene-copy .lb-scene-kicker { font: 700 12px/1.3 var(--font-body, Roboto, Arial, sans-serif); letter-spacing: .14em; text-transform: uppercase; color: var(--lb-sky); margin: 0 0 12px; }
.lb-scene-copy h3 { font: 800 clamp(1.15rem, 2.6vw, 2rem)/1.15 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: #fff; margin: 0 0 12px; letter-spacing: -.01em; }
.lb-scene-copy p { font-size: clamp(.8rem, 1.45vw, 1.05rem); line-height: 1.5; color: #cbd5e1; margin: 0; }
.lb-scene-copy b { color: #fff; }
.lb-scene-art { display: flex; align-items: center; justify-content: center; min-width: 0; }
.lb-scene-end { grid-template-columns: 1fr; text-align: center; justify-items: center; }
.lb-scene-end .lb-scene-copy { max-width: 640px; }
.lb-scene-end .btn { margin-top: 18px; }

/* scene art: visit grid */
.lb-vgrid { display: grid; grid-template-columns: repeat(10, 1fr); gap: 4px; width: min(100%, 300px); }
.lb-vgrid i { aspect-ratio: 1; border-radius: 3px; background: rgba(255,255,255,.12); transition: background .35s ease, transform .35s ease; }
.lb-vgrid i.on { background: var(--lb-sky); }
.lb-vgrid i.hot { background: var(--lb-green); }
.lb-vgrid--light i { background: #E2E8F0; }
.lb-vgrid--light i.on { background: var(--lb-blue); }

/* scene art: scale with two expert markers */
.lb-scale { width: min(100%, 360px); }
.lb-scale-track { position: relative; height: 10px; border-radius: 999px; background: rgba(255,255,255,.14); margin: 56px 0 10px; }
.lb-scale-band { position: absolute; top: 0; bottom: 0; left: 50%; right: 50%; background: rgba(175,198,244,.35); border-radius: 999px; transition: left 1.2s var(--lb-ease) .3s, right 1.2s var(--lb-ease) .3s; }
.lb-scale-pin { position: absolute; top: 50%; left: 50%; width: 22px; height: 22px; margin: -11px 0 0 -11px; border-radius: 50%; background: #fff; border: 4px solid var(--lb-blue); transition: left 1.2s var(--lb-ease) .3s; }
.lb-scale-pin span { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); font-size: 12px; white-space: nowrap; color: #e2e8f0; }
.is-on .lb-scale-band { left: 38%; right: 29%; }
.is-on .lb-scale-pin.a { left: 38%; }
.is-on .lb-scale-pin.b { left: 71%; }
.lb-scale-ticks { display: flex; justify-content: space-between; font-size: 11px; color: #94a3b8; }
.lb-scale-gap { text-align: center; margin-top: 14px; font: 800 1.5rem/1 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-sky); }
.lb-scale-gap small { display: block; font: 400 12px/1.4 var(--font-body, Roboto, Arial, sans-serif); color: #cbd5e1; margin-top: 6px; }

/* scene art: mini bars */
.lb-mbars { width: min(100%, 380px); display: grid; gap: 10px; }
.lb-std { width: min(100%, 380px); display: grid; gap: 10px; }
.lb-std .lb-mbars { width: 100%; margin-top: 6px; }
.lb-std-k { display: flex; align-items: center; gap: 10px; margin: 0; font-size: 12.5px; line-height: 1.35; color: #cbd5e1; }
.lb-std-k .n { flex: none; width: 22px; height: 22px; border-radius: 50%; background: rgba(98,167,68,.3); border: 1px solid rgba(98,167,68,.7); color: #fff; font-weight: 700; font-size: 12px; display: grid; place-items: center; }
.lb-std-k b { color: #fff; }
.lb-mbar { display: grid; grid-template-columns: 7.5em 1fr 3.4em; align-items: center; gap: 10px; font-size: 12px; color: #cbd5e1; }
.lb-mbar .t { height: 12px; border-radius: 999px; background: rgba(255,255,255,.1); overflow: hidden; }
.lb-mbar .t i { display: block; height: 100%; width: 0; border-radius: 999px; background: rgba(175,198,244,.65); transition: width 1.1s var(--lb-ease); }
.lb-mbar.ai .t i { background: var(--lb-green); }
.lb-mbar b { color: #fff; font-weight: 700; text-align: right; }
.lb-mbar.ai { color: #fff; font-weight: 600; }
.is-on .lb-mbar .t i { width: var(--w); }
.is-on .lb-mbar:nth-child(2) .t i { transition-delay: .15s; }
.is-on .lb-mbar:nth-child(3) .t i { transition-delay: .3s; }
.is-on .lb-mbar:nth-child(4) .t i { transition-delay: .6s; }

/* scene art: coaching note cards */
.lb-notes { position: relative; width: min(100%, 340px); height: 210px; }
.lb-note { position: absolute; left: 0; right: 0; background: #fff; color: var(--lb-ink); border-radius: 12px; padding: 14px 16px; box-shadow: 0 10px 20px rgba(0,0,0,.25); transform: translateY(16px); opacity: 0; transition: transform .7s var(--lb-ease), opacity .7s var(--lb-ease); }
.lb-note p { margin: 0; font-size: 12.5px; line-height: 1.45; }
.lb-note .lb-note-h { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; font: 700 11px/1 var(--font-body, Roboto, Arial, sans-serif); letter-spacing: .08em; text-transform: uppercase; color: var(--lb-blue); }
.lb-note .lb-note-h b { font: 800 15px/1 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-dark); letter-spacing: 0; }
.lb-note.n1 { top: 0; }
.lb-note.n2 { top: 104px; left: 22px; right: -22px; }
.is-on .lb-note { opacity: 1; transform: none; }
.is-on .lb-note.n2 { transition-delay: .5s; }

/* scene art: outcome chain */
.lb-ochain { display: grid; gap: 8px; width: min(100%, 320px); }
.lb-ochain div { display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; padding: 9px 12px; font-size: 13px; color: #e2e8f0; opacity: 0; transform: translateX(-12px); transition: opacity .5s var(--lb-ease), transform .5s var(--lb-ease); }
.lb-ochain div svg { flex: none; width: 18px; height: 18px; color: var(--lb-sky); }
.is-on .lb-ochain div { opacity: 1; transform: none; }
.is-on .lb-ochain div:nth-child(2) { transition-delay: .35s; }
.is-on .lb-ochain div:nth-child(3) { transition-delay: .7s; }
.is-on .lb-ochain div:nth-child(4) { transition-delay: 1.05s; }

/* player controls */
.lb-ctrl { position: absolute; left: 0; right: 0; bottom: 0; display: flex; align-items: center; gap: 14px; padding: 12px 16px; background: linear-gradient(to top, rgba(15,23,42,.85), rgba(15,23,42,0)); }
.lb-ctrl button { font: inherit; }
.lb-play { flex: none; width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.1); color: #fff; display: grid; place-items: center; cursor: pointer; }
.lb-play:hover { background: rgba(255,255,255,.2); }
.lb-play svg { width: 16px; height: 16px; }
.lb-play .i-pause { display: none; }
.lb-player.is-playing .lb-play .i-play { display: none; }
.lb-player.is-playing .lb-play .i-pause { display: block; }
.lb-dots { flex: 1; display: flex; gap: 6px; }
.lb-dot { flex: 1; height: 28px; border: 0; padding: 12px 0; background: transparent; cursor: pointer; }
.lb-dot span { display: block; height: 4px; border-radius: 999px; background: rgba(255,255,255,.22); overflow: hidden; }
.lb-dot span i { display: block; height: 100%; width: 0; background: #fff; }
.lb-dot.is-done span i { width: 100%; }
.lb-count { flex: none; font-size: 12px; color: #cbd5e1; min-width: 3.2em; text-align: right; }
.lb-play:focus-visible, .lb-dot:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.lb-player-note { text-align: center; margin-top: 12px; }
@media (max-width: 720px) {
  .lb-stage { aspect-ratio: auto; min-height: 560px; }
  .lb-scene { grid-template-columns: 1fr; align-content: start; padding: 28px 20px 84px; gap: 22px; }
  .lb-scene-art { order: 2; }
  .lb-scene-copy h3 { font-size: 1.35rem; }
  .lb-scene-copy p { font-size: .95rem; }
  .lb-stage { min-height: 620px; }
  .lb-std-k { display: none; }
  .lb-scene-art .lb-vgrid { width: min(100%, 190px); gap: 3px; }
}
@media (max-width: 359px) { .lb-stage { min-height: 680px; } }

/* ---------- why now cards ---------- */
.lb-why { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.lb-why-card { background: #fff; border: 1px solid var(--lb-line); border-radius: 12px; padding: 28px 24px 24px; position: relative; overflow: hidden; }
.lb-why-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--lb-dark); }
.lb-why-card .lb-ico { width: 44px; height: 44px; border-radius: 50%; background: var(--lb-tint); display: grid; place-items: center; margin-bottom: 16px; }
.lb-why-card .lb-ico svg { width: 22px; height: 22px; color: var(--lb-blue); }
.lb-why-card h3 { font: 700 1.125rem/1.3 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 0 0 8px; }
.lb-why-card p { font-size: .9375rem; line-height: 1.6; color: var(--lb-muted); margin: 0 0 14px; }
.lb-why-card .lb-why-stat { border-top: 1px solid var(--lb-line); padding-top: 14px; margin: 0; }
.lb-why-card .lb-why-stat strong { display: block; font: 800 1.6rem/1.1 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-dark); }
.lb-why-card .lb-why-stat span { font-size: .8125rem; color: var(--lb-subtle); }
@media (max-width: 900px) { .lb-why { grid-template-columns: 1fr; } }

/* ---------- benefit flow (participant → community) ---------- */
.lb-flow { list-style: none; margin: 48px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; position: relative; }
.lb-flow::before { content: ""; position: absolute; top: 31px; left: 12.5%; right: 12.5%; height: 2px; background: var(--lb-line); }
.lb-flow::after { content: ""; position: absolute; top: 31px; left: 12.5%; height: 2px; background: var(--lb-blue); transition: width 1.6s var(--lb-ease); }
.lb-flow li { position: relative; text-align: center; padding: 0 14px; }
.lb-flow .lb-flow-dot { position: relative; z-index: 1; width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; background: #fff; border: 2px solid var(--lb-blue); display: grid; place-items: center; }
.lb-flow .lb-flow-dot svg { width: 26px; height: 26px; color: var(--lb-blue); }
.lb-flow h3 { font: 700 1.0625rem/1.3 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 0 0 6px; }
.lb-flow p { font-size: .9rem; line-height: 1.55; color: var(--lb-muted); margin: 0 0 10px; }
.lb-flow .lb-flow-num { font: 800 1.25rem/1.2 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-dark); display: block; }
.lb-flow .lb-flow-src { font-size: .75rem; color: var(--lb-subtle); }
@media (max-width: 900px) {
  .lb-flow { grid-template-columns: 1fr; gap: 28px; }
  .lb-flow::before, .lb-flow::after { display: none; }
  .lb-flow li { display: grid; grid-template-columns: 64px 1fr; gap: 0 16px; text-align: left; padding: 0; }
  .lb-flow .lb-flow-dot { margin: 0; grid-row: span 4; }
}

/* ---------- assets / what we bring ---------- */
.lb-assets { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.lb-asset { background: #fff; border: 1px solid var(--lb-line); border-radius: 12px; padding: 24px; }
.lb-asset strong { display: block; font: 800 2rem/1.05 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-blue); letter-spacing: -.015em; margin-bottom: 8px; }
.lb-asset h3 { font: 700 1rem/1.35 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 0 0 6px; }
.lb-asset p { font-size: .875rem; line-height: 1.55; color: var(--lb-muted); margin: 0; }
.lb-alex { margin-top: 24px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; background: var(--lb-dark); color: #fff; border-radius: 16px; padding: 36px; }
.lb-alex h3 { font: 800 1.6rem/1.2 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: #fff; margin: 0 0 10px; }
.lb-alex p { color: #dbe4f3; margin: 0 0 12px; line-height: 1.6; }
.lb-alex p:last-child { margin-bottom: 0; }
.lb-alex dl { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 0; }
.lb-alex dl div { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 12px; padding: 14px 16px; }
.lb-alex dt { font: 800 1.5rem/1.1 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: #fff; }
.lb-alex dd { margin: 4px 0 0; font-size: .8125rem; color: #c5d3ea; line-height: 1.4; }
.lb-bring { background: var(--lb-tint-soft); border: 1px solid var(--lb-line); border-radius: 16px; padding: 32px 36px; text-align: center; }
.lb-bring p { font: 600 clamp(1.2rem, 2.3vw, 1.55rem)/1.45 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 0 auto; max-width: 52ch; text-wrap: balance; }
.lb-bring strong { color: var(--lb-blue); font-weight: 800; }
.lb-alex dl.lb-alex-one { grid-template-columns: 1fr; }
.lb-alex-one div { padding: 28px 26px; }
.lb-alex-one dt { font-size: clamp(2.6rem, 6vw, 3.4rem); color: var(--lb-green); }
.lb-alex-one dd { margin-top: 8px; font-size: 1.0625rem; line-height: 1.5; color: #dbe4f3; }
.lb-index-link { text-align: center; margin: 14px 0 0; }
.lb-faq + .lb-extra { margin: 32px auto 0; max-width: 860px; }
@media (max-width: 1000px) { .lb-assets { grid-template-columns: repeat(2, minmax(0, 1fr)); } .lb-alex { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .lb-bring { padding: 24px 20px; } }
@media (max-width: 560px) { .lb-assets { grid-template-columns: 1fr; } .lb-alex { padding: 26px 20px; } }

/* ---------- method steps ---------- */
.lb-steps { list-style: none; counter-reset: lbstep; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.lb-steps li { position: relative; overflow: hidden; background: #fff; border: 1px solid var(--lb-line); border-top: 4px solid var(--lb-dark); border-radius: 12px; padding: 20px 18px 22px; }
.lb-steps h3 { position: relative; z-index: 1; font: 700 1rem/1.3 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-dark); margin: 0 0 8px; }
.lb-steps p { position: relative; z-index: 1; font-size: .875rem; line-height: 1.55; color: var(--lb-muted); margin: 0; }
.lb-guard { margin: 28px auto 0; max-width: 900px; display: flex; gap: 14px; align-items: flex-start; background: var(--lb-tint); border-radius: 12px; padding: 16px 20px; color: var(--lb-dark); font-size: .9375rem; line-height: 1.55; }
.lb-guard svg { flex: none; width: 22px; height: 22px; margin-top: 1px; color: var(--lb-blue); }
@media (max-width: 1000px) { .lb-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .lb-steps { grid-template-columns: 1fr; } }

/* ---------- evidence chain ---------- */
.lb-chain { list-style: none; margin: 0 0 12px; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.lb-chain li { position: relative; background: #fff; border: 1px solid var(--lb-line); border-radius: 12px; padding: 20px 18px 18px; overflow: hidden; }
.lb-chain li::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--belt, var(--lb-dark)); }
.lb-chain li.next { border-style: dashed; border-color: #A1B1C8; background: #FBFCFD; }
.lb-chain li.next::before { display: none; }
.lb-chain .lb-chain-k { font: 700 11px/1.3 var(--font-body, Roboto, Arial, sans-serif); letter-spacing: .1em; text-transform: uppercase; color: var(--lb-blue); margin: 0 0 6px; }
.lb-chain h3 { font: 700 1.0625rem/1.3 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 0 0 6px; }
.lb-chain p { font-size: .875rem; line-height: 1.5; color: var(--lb-muted); margin: 0; }
.lb-chain a { color: inherit; text-decoration: none; }
.lb-chain a::after { content: ""; position: absolute; inset: 0; }
.lb-chain li:hover { box-shadow: 0 4px 12px rgba(10,30,60,.08); }
.lb-chain li.next:hover { box-shadow: none; }
.lb-chain-arrow { position: absolute; right: -11px; top: 50%; z-index: 2; width: 20px; height: 20px; margin-top: -10px; color: #A1B1C8; }
.lb-chain-legend { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: .8125rem; color: var(--lb-subtle); margin: 0 0 56px; }
.lb-chain-legend span { display: inline-flex; align-items: center; gap: 8px; }
.lb-chain-legend i { display: inline-block; width: 18px; height: 4px; border-radius: 2px; background: var(--c); }
.lb-chain-legend i.dash { height: 0; border-top: 2px dashed #A1B1C8; background: none; }
@media (max-width: 1100px) { .lb-chain { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 900px) { .lb-chain { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .lb-chain { grid-template-columns: 1fr; } }

/* ---------- study blocks ---------- */
.lb-study { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 48px; align-items: center; padding: 48px 0; border-top: 1px solid var(--lb-line); }
.lb-study:first-of-type { border-top: 0; padding-top: 8px; }
.lb-study.flip .lb-study-copy { order: 2; }
.lb-study-k { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 12px; }
.lb-study-k .lb-eyebrow { margin: 0; }
.lb-study h3 { font: 800 1.75rem/1.2 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); letter-spacing: -.01em; margin: 0 0 12px; }
.lb-study .lb-answer { font-size: 1.0625rem; line-height: 1.6; color: var(--lb-ink); margin: 0 0 16px; }
.lb-study ul { margin: 0 0 18px; padding-left: 1.15rem; color: var(--lb-muted); font-size: .9375rem; line-height: 1.6; }
.lb-study ul li { margin-bottom: 6px; }
.lb-study-links { display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center; }
.lb-doi { font-size: .8125rem; color: var(--lb-subtle); }
.lb-doi a { color: var(--lb-subtle); }
.lb-big { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin: 0 0 18px; }
.lb-big strong { white-space: nowrap; }
.lb-big strong { font: 800 3.25rem/1 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-blue); letter-spacing: -.02em; }
.lb-big span { font-size: .9375rem; line-height: 1.4; color: var(--lb-muted); max-width: 20em; }
@media (max-width: 900px) { .lb-study { grid-template-columns: 1fr; gap: 24px; } .lb-study.flip .lb-study-copy { order: 0; } .lb-study h3 { font-size: 1.45rem; } .lb-big strong { font-size: 2.6rem; } }

/* chart panels */
.lb-panel { background: #fff; border: 1px solid var(--lb-line); border-radius: 12px; padding: 22px 22px 18px; }
.lb-panel-t { font: 700 1rem/1.35 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 0 0 4px; }
.lb-panel-s { font-size: .8125rem; color: var(--lb-subtle); margin: 0 0 18px; }
.lb-panel-cap { font-size: .75rem; line-height: 1.5; color: var(--lb-subtle); margin: 14px 0 0; }

/* horizontal bars (Paper 3) */
.lb-bars { position: relative; display: grid; gap: 12px; }
.lb-bar { display: grid; grid-template-columns: 11.5em minmax(0, 1fr) 4.2em; gap: 12px; align-items: center; font-size: .8125rem; color: var(--lb-muted); }
.lb-bar .t { position: relative; height: 18px; background: #F1F5F9; border-radius: 4px; }
.lb-bar .t i { position: absolute; left: 0; top: 0; bottom: 0; width: var(--w); border-radius: 4px; background: #A1B1C8; transform-origin: left; }
.lb-bar.prior .t i { background: repeating-linear-gradient(90deg, #C5D3EA 0 6px, #E8EEF7 6px 9px); }
.lb-bar.ai .t i { background: var(--lb-blue); }
.lb-bar.llm .t i { background: var(--lb-blue); }
.lb-bar.dm .t i { background: var(--lb-green); }
.lb-bar.dm { color: var(--lb-ink-strong); font-weight: 600; }
.lb-legend i.k { border-radius: 2px; background: #A1B1C8; }
.lb-legend i.k.llm { background: var(--lb-blue); }
.lb-legend i.k.dm { background: var(--lb-green); }
.lb-dm-compare { margin-top: 36px; background: #fff; border: 1px solid var(--lb-line); border-radius: 12px; padding: 24px 24px 8px; }
.lb-dm-compare h3 { font: 700 1.125rem/1.3 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 0 0 12px; }
.lb-dm-scroll { overflow-x: auto; }
.lb-dm-compare table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: .9375rem; line-height: 1.5; }
.lb-dm-compare th, .lb-dm-compare td { text-align: left; vertical-align: top; padding: 12px 14px; border-top: 1px solid var(--lb-line); }
.lb-dm-compare thead th { border-top: 0; font: 700 .8125rem/1.3 var(--font-body, Roboto, Arial, sans-serif); letter-spacing: .06em; text-transform: uppercase; color: var(--lb-blue); }
.lb-dm-compare thead th:last-child { color: #3f7d26; }
.lb-dm-compare tbody th { width: 26%; font-weight: 600; color: var(--lb-ink-strong); }
.lb-dm-compare td { color: var(--lb-muted); }
#decision-models .lb-quote { margin-top: 36px; }
.lb-fulltext tr.lb-row-hl td { background: var(--lb-tint-soft); }
.lb-bar.ai { color: var(--lb-ink-strong); font-weight: 700; }
.lb-bar b { text-align: right; font-weight: 700; color: var(--lb-ink-strong); font-variant-numeric: tabular-nums; }
.lb-bar-ref { position: absolute; top: -6px; bottom: -6px; border-left: 2px dashed #64748b; pointer-events: none; }
.lb-bar-ref span { position: absolute; top: -18px; left: 4px; font-size: 11px; color: #475569; white-space: nowrap; }
.lb-bars-wrap { position: relative; padding-top: 20px; }
.lb-axis { display: grid; grid-template-columns: 11.5em minmax(0, 1fr) 4.2em; gap: 12px; margin-top: 8px; font-size: 11px; color: #94a3b8; }
.lb-axis div { display: flex; justify-content: space-between; }
@media (max-width: 560px) { .lb-bar, .lb-axis { grid-template-columns: 7.5em minmax(0,1fr) 3.6em; gap: 8px; font-size: .75rem; } }

/* pair gaps (Paper 1) */
.lb-gaps { display: grid; gap: 16px; }
.lb-gap { display: grid; grid-template-columns: 8.5em minmax(0, 1fr) 4.5em; gap: 12px; align-items: center; font-size: .8125rem; color: var(--lb-muted); }
.lb-gap .t { position: relative; height: 18px; }
.lb-gap .t::before { content: ""; position: absolute; left: 0; right: 0; top: 8px; height: 2px; background: #E2E8F0; }
.lb-gap .t i { position: absolute; top: 3px; height: 12px; left: 0; width: var(--w); border-radius: 999px; background: #C5D3EA; }
.lb-gap .t i::before, .lb-gap .t i::after { content: ""; position: absolute; top: -3px; width: 18px; height: 18px; margin-left: -9px; border-radius: 50%; background: #fff; border: 3px solid var(--lb-blue); }
.lb-gap .t i::before { left: 0; }
.lb-gap .t i::after { left: 100%; }
.lb-gap b { text-align: right; color: var(--lb-ink-strong); font-variant-numeric: tabular-nums; white-space: nowrap; }
.lb-gap-axis { display: grid; grid-template-columns: 8.5em minmax(0, 1fr) 4.5em; gap: 12px; font-size: 11px; color: #94a3b8; margin-top: 6px; }
.lb-gap-axis div { display: flex; justify-content: space-between; }
@media (max-width: 560px) { .lb-gap-axis { grid-template-columns: 6.8em minmax(0,1fr) 3.4em; gap: 8px; } }
.lb-ring-row { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--lb-line); }
.lb-ring { width: 96px; height: 96px; }
.lb-ring circle { fill: none; stroke-width: 10; }
.lb-ring .bg { stroke: #E8EEF7; }
.lb-ring .fg { stroke: var(--lb-blue); stroke-linecap: round; transform: rotate(-90deg); transform-origin: 50% 50%; stroke-dasharray: 251.3; stroke-dashoffset: calc(251.3 * (1 - var(--p))); }
.lb-ring text { font: 800 22px var(--font-display, 'Helvetica Neue', Arial, sans-serif); fill: var(--lb-ink-strong); }
.lb-ring-row p { margin: 0; font-size: .875rem; line-height: 1.55; color: var(--lb-muted); }
.lb-ring-row p b { color: var(--lb-ink-strong); }

/* dot + whisker (Paper 2) */
.lb-dots-chart { display: grid; gap: 14px; }
.lb-dw { display: grid; grid-template-columns: 9.5em minmax(0, 1fr) 3em; gap: 12px; align-items: center; font-size: .8125rem; color: var(--lb-muted); }
.lb-dw .t { position: relative; height: 20px; }
.lb-dw .t::before { content: ""; position: absolute; left: 0; right: 0; top: 9px; height: 2px; background: #F1F5F9; }
.lb-dw .w { position: absolute; top: 9px; height: 2px; background: #94a3b8; left: calc((var(--lo) - 2.5) / 1.5 * 100%); width: calc((var(--hi) - var(--lo)) / 1.5 * 100%); }
.lb-dw .w::before, .lb-dw .w::after { content: ""; position: absolute; top: -4px; width: 2px; height: 10px; background: #94a3b8; }
.lb-dw .w::before { left: 0; } .lb-dw .w::after { right: 0; }
.lb-dw .m { position: absolute; top: 3px; width: 14px; height: 14px; margin-left: -7px; left: calc((var(--v) - 2.5) / 1.5 * 100%); background: #fff; border: 3px solid #64748b; }
.lb-dw.ai .m { border-radius: 50%; border-color: var(--lb-blue); background: var(--lb-blue); }
.lb-dw.ai-2 .m { border-radius: 50%; border-color: var(--lb-blue); }
.lb-dw.hum .m { border-radius: 2px; }
.lb-dw b { text-align: right; color: var(--lb-ink-strong); font-variant-numeric: tabular-nums; }
.lb-dw.ai { color: var(--lb-ink-strong); font-weight: 700; }
.lb-dw-axis { display: grid; grid-template-columns: 9.5em minmax(0, 1fr) 3em; gap: 12px; font-size: 11px; color: #94a3b8; margin-top: 4px; }
.lb-dw-axis div { display: flex; justify-content: space-between; }
.lb-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .75rem; color: var(--lb-subtle); margin-top: 12px; }
.lb-legend span { display: inline-flex; align-items: center; gap: 6px; }
.lb-legend i { width: 10px; height: 10px; display: inline-block; }
.lb-legend i.c { border-radius: 50%; background: var(--lb-blue); }
.lb-legend i.s { border-radius: 2px; border: 2px solid #64748b; }
@media (max-width: 560px) { .lb-gap, .lb-dw, .lb-dw-axis { grid-template-columns: 6.8em minmax(0,1fr) 3.4em; gap: 8px; font-size: .75rem; } }

/* ---------- taken together: 100-visit compare ---------- */
.lb-compare { display: grid; grid-template-columns: 9em 1fr 1fr; gap: 0 28px; align-items: center; }
.lb-compare-h { font: 700 11px/1.3 var(--font-body, Roboto, Arial, sans-serif); letter-spacing: .12em; text-transform: uppercase; color: var(--lb-subtle); padding-bottom: 10px; border-bottom: 2px solid var(--lb-dark); }
.lb-compare-h.rp { color: var(--lb-dark); }
.lb-compare-l { padding: 22px 0; border-bottom: 1px solid var(--lb-line); }
.lb-compare-l h3 { font: 700 1rem/1.3 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 0 0 4px; }
.lb-compare-l span { font-size: .75rem; color: var(--lb-subtle); }
.lb-compare-c { display: flex; align-items: center; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--lb-line); min-width: 0; }
.lb-compare-c .lb-vgrid { width: 96px; flex: none; gap: 2px; }
.lb-compare-c .lb-vgrid i { border-radius: 1.5px; }
.lb-compare-c strong { display: block; font: 800 1.6rem/1 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: #64748b; font-variant-numeric: tabular-nums; }
.lb-compare-c.rp strong { color: var(--lb-dark); }
.lb-compare-c p { margin: 4px 0 0; font-size: .8125rem; line-height: 1.45; color: var(--lb-muted); }
@media (max-width: 760px) {
  .lb-compare { grid-template-columns: 1fr 1fr; gap: 0 16px; }
  .lb-compare-h.blank { display: none; }
  .lb-compare-l { grid-column: 1 / -1; border-bottom: 0; padding-bottom: 0; }
  .lb-compare-c { flex-direction: column; align-items: flex-start; gap: 10px; }
  .lb-compare-c .lb-vgrid { width: 88px; }
}
.lb-quote { max-width: 860px; margin: 56px auto 0; text-align: center; }
.lb-quote blockquote { margin: 0; font: 400 clamp(1.25rem, 2.6vw, 1.75rem)/1.4 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); letter-spacing: -.005em; }
.lb-quote figcaption { margin-top: 12px; font-size: .875rem; color: var(--lb-subtle); }
.lb-limits { margin: 48px auto 0; max-width: 980px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.lb-limits-card { background: var(--lb-sand); color: var(--lb-sand-ink); border-radius: 12px; padding: 24px 26px; }
.lb-limits-card h3 { font: 700 12px/1.3 var(--font-body, Roboto, Arial, sans-serif); letter-spacing: .12em; text-transform: uppercase; color: var(--lb-dark); margin: 0 0 12px; }
.lb-limits-card ul { margin: 0; padding-left: 1.1rem; font-size: .9375rem; line-height: 1.55; }
.lb-limits-card li { margin-bottom: 6px; }
.lb-next-card { background: #fff; border: 1.5px dashed #A1B1C8; border-radius: 12px; padding: 24px 26px; }
.lb-next-card h3 { font: 700 12px/1.3 var(--font-body, Roboto, Arial, sans-serif); letter-spacing: .12em; text-transform: uppercase; color: var(--lb-blue); margin: 0 0 12px; }
.lb-next-card p { margin: 0 0 14px; font-size: .9375rem; line-height: 1.6; color: var(--lb-ink); }
@media (max-width: 800px) { .lb-limits { grid-template-columns: 1fr; } }

/* ---------- projects ---------- */
.lb-projects { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.lb-project { background: #fff; border: 1px solid var(--lb-line); border-radius: 12px; padding: 22px 22px 20px; display: flex; flex-direction: column; }
.lb-project-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
.lb-project-top .lb-ico { width: 40px; height: 40px; flex: none; border-radius: 50%; background: var(--lb-tint); display: grid; place-items: center; }
.lb-project-top .lb-ico svg { width: 20px; height: 20px; color: var(--lb-blue); }
.lb-project h3 { font: 700 1rem/1.35 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 0 0 6px; }
.lb-project p { font-size: .875rem; line-height: 1.55; color: var(--lb-muted); margin: 0; }
.lb-project-area { margin-top: auto; padding-top: 12px; font-size: .75rem; color: var(--lb-subtle); }
@media (max-width: 1000px) { .lb-projects { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .lb-projects { grid-template-columns: 1fr; } }

/* ---------- research library cards ---------- */
.lb-papers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; max-width: 980px; margin-left: auto; margin-right: auto; }
.lb-paper { position: relative; background: #fff; border: 1px solid var(--lb-line); border-radius: 12px; padding: 26px 22px 22px; display: flex; flex-direction: column; overflow: hidden; }
.lb-paper::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--lb-dark); }
.lb-paper .lb-eyebrow { margin-bottom: 8px; }
.lb-paper h3 { font: 700 1.0625rem/1.35 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 0 0 8px; }
.lb-paper h3 a { color: inherit; text-decoration: none; }
.lb-paper h3 a:hover { color: var(--lb-blue); }
.lb-paper .lb-paper-meta { font-size: .8125rem; color: var(--lb-subtle); margin: 0 0 12px; }
.lb-paper p { font-size: .875rem; line-height: 1.55; color: var(--lb-muted); margin: 0 0 16px; }
.lb-paper-actions { margin-top: auto; display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; font-size: .875rem; }
.lb-pending { display: inline-block; font-size: .75rem; font-weight: 600; color: var(--lb-sand-ink); background: var(--lb-sand); border-radius: 999px; padding: 2px 10px; }
@media (max-width: 900px) { .lb-papers { grid-template-columns: 1fr; } }
.lb-extra { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.lb-extra a { display: flex; gap: 16px; align-items: center; background: var(--lb-tint-soft); border: 1px solid var(--lb-line); border-radius: 12px; padding: 18px 20px; text-decoration: none; color: var(--lb-ink); }
.lb-extra a:hover { background: var(--lb-tint); }
.lb-page [hidden] { display: none !important; }
.lb-extra svg { flex: none; width: 28px; height: 28px; color: var(--lb-blue); }
.lb-extra strong { display: block; font: 700 1rem/1.3 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); }
.lb-extra span { font-size: .8125rem; color: var(--lb-muted); }
@media (max-width: 700px) { .lb-extra { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.lb-faq { max-width: 860px; margin: 0 auto; }
.lb-faq details { border-bottom: 1px solid var(--lb-line); }
.lb-faq details:first-child { border-top: 1px solid var(--lb-line); }
.lb-faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 20px 4px; font: 700 1.0625rem/1.4 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); }
.lb-faq summary::-webkit-details-marker { display: none; }
.lb-faq summary::after { content: "+"; flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--lb-tint); color: var(--lb-blue); display: grid; place-items: center; font: 400 20px/1 var(--font-body, Roboto, Arial, sans-serif); }
.lb-faq details[open] summary::after { content: "\2212"; }
.lb-faq summary:focus-visible { outline: 2px solid var(--lb-blue); outline-offset: 2px; }
.lb-faq .lb-faq-a { padding: 0 4px 20px; color: var(--lb-muted); line-height: 1.65; }
.lb-faq .lb-faq-a p { margin: 0 0 10px; }

/* ---------- CTA band ---------- */
.lb-cta { background: linear-gradient(135deg, #003366 0%, #004987 100%); color: #fff; padding: 80px 0; }
.lb-cta-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.lb-cta h2 { color: #fff; margin: 0 0 14px; }
.lb-cta p { color: #dbe4f3; margin: 0 0 22px; font-size: 1.0625rem; line-height: 1.6; }
.lb-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.lb-contact { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); border-radius: 12px; padding: 22px 24px; }
.lb-contact .n { font: 700 1.125rem/1.3 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: #fff; margin: 0; }
.lb-contact .r { font-size: .875rem; color: var(--lb-sky); margin: 2px 0 14px; }
.lb-contact a { color: #fff; font-weight: 600; word-break: break-all; }
.lb-contact ul { list-style: none; margin: 14px 0 0; padding: 14px 0 0; border-top: 1px solid rgba(255,255,255,.14); font-size: .875rem; color: #cbd5e1; }
.lb-contact li { margin-bottom: 6px; }
@media (max-width: 860px) { .lb-cta-inner { grid-template-columns: 1fr; } }

/* ---------- paper (article) pages ---------- */
.lb-paper-hero .hero-content { max-width: 960px; margin: 0 auto; text-align: center; }
.lb-paper-hero h1 { font-size: clamp(1.9rem, 4vw, 2.75rem); line-height: 1.15; }
.lb-wp { display: inline-block; margin: 0 0 18px; font-size: .8125rem; color: #e2e8f0; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 999px; padding: 4px 14px; }
.lb-paper-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; align-items: start; }
.lb-aside { position: sticky; top: 96px; display: grid; gap: 16px; }
.lb-card { background: #fff; border: 1px solid var(--lb-line); border-radius: 12px; padding: 20px; }
.lb-card h2, .lb-card .lb-card-t { font: 700 12px/1.3 var(--font-body, Roboto, Arial, sans-serif) !important; letter-spacing: .12em; text-transform: uppercase; color: var(--lb-blue) !important; margin: 0 0 12px !important; }
.lb-meta { margin: 0; font-size: .875rem; line-height: 1.5; }
.lb-meta dt { font-weight: 700; color: var(--lb-ink-strong); margin-top: 10px; }
.lb-meta dt:first-child { margin-top: 0; }
.lb-meta dd { margin: 2px 0 0; color: var(--lb-muted); }
.lb-meta a { color: var(--lb-blue); word-break: break-word; }
.lb-aside .btn { width: 100%; justify-content: center; }
.lb-cite textarea { width: 100%; min-height: 120px; resize: vertical; font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--lb-ink); border: 1px solid var(--lb-line); border-radius: 8px; padding: 10px; background: #F8FAFC; }
.lb-cite-tabs { display: flex; gap: 6px; margin-bottom: 8px; }
.lb-cite-tabs button, .lb-copy { font: 600 12px/1 var(--font-body, Roboto, Arial, sans-serif); border: 1px solid var(--lb-line); background: #fff; color: var(--lb-blue); border-radius: 6px; padding: 7px 10px; cursor: pointer; }
.lb-cite-tabs button[aria-selected="true"] { background: var(--lb-tint); border-color: #C5D3EA; color: var(--lb-dark); }
.lb-copy { margin-top: 8px; }
.lb-series { list-style: none; margin: 0; padding: 0; font-size: .875rem; }
.lb-series li { padding: 8px 0; border-top: 1px solid var(--lb-line); }
.lb-series li:first-child { border-top: 0; padding-top: 0; }
.lb-series a { color: var(--lb-blue); text-decoration: none; font-weight: 600; }
.lb-series a:hover { text-decoration: underline; }
.lb-series li[aria-current] { color: var(--lb-ink-strong); font-weight: 700; }
.lb-summary { background: var(--lb-tint-soft); border: 1px solid #DCE5F3; border-radius: 12px; padding: 26px 28px; margin: 0 0 40px; }
.lb-summary h2 { margin-top: 0 !important; }
.lb-summary ul { margin: 0; padding-left: 1.15rem; }
.lb-summary li { margin-bottom: 8px; line-height: 1.6; }
.lb-fulltext { font-size: 1.0625rem; line-height: 1.75; color: var(--lb-ink); }
.lb-fulltext h2 { font: 800 1.6rem/1.25 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 48px 0 14px; letter-spacing: -.01em; scroll-margin-top: 96px; }
.lb-fulltext h3 { font: 700 1.2rem/1.3 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 32px 0 10px; scroll-margin-top: 96px; }
.lb-fulltext h4 { font: 700 1.05rem/1.35 var(--font-display, 'Helvetica Neue', Arial, sans-serif); color: var(--lb-ink-strong); margin: 24px 0 8px; }
.lb-fulltext p { margin: 0 0 16px; }
.lb-fulltext ul, .lb-fulltext ol { margin: 0 0 18px; padding-left: 1.3rem; }
.lb-fulltext li { margin-bottom: 8px; }
.lb-fulltext figure { margin: 28px 0; }
.lb-fulltext figure img { display: block; width: 100%; height: auto; border: 1px solid var(--lb-line); border-radius: 8px; background: #fff; }
.lb-fulltext figcaption { font-size: .875rem; line-height: 1.55; color: var(--lb-muted); margin-top: 10px; }
.lb-table-wrap { overflow-x: auto; margin: 22px 0 26px; border: 1px solid var(--lb-line); border-radius: 8px; }
.lb-fulltext table { border-collapse: collapse; width: 100%; font-size: .875rem; line-height: 1.45; }
.lb-fulltext th, .lb-fulltext td { padding: 8px 12px; border-bottom: 1px solid var(--lb-line); text-align: left; vertical-align: top; }
.lb-fulltext th { background: #F8FAFC; color: var(--lb-ink-strong); font-weight: 700; }
.lb-fulltext tr:last-child td { border-bottom: 0; }
.lb-fulltext pre { overflow-x: auto; background: #F8FAFC; border: 1px solid var(--lb-line); border-radius: 8px; padding: 14px 16px; font: 12.5px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--lb-ink); }
.lb-fulltext .lb-refs li { font-size: .9375rem; line-height: 1.6; }
.lb-toc { font-size: .875rem; }
.lb-toc ol { margin: 0; padding-left: 1.1rem; }
.lb-toc li { margin-bottom: 4px; }
.lb-toc a { color: var(--lb-muted); text-decoration: none; }
.lb-toc a:hover { color: var(--lb-blue); text-decoration: underline; }
.lb-notice { border-left: 0; background: var(--lb-sand); color: var(--lb-sand-ink); border-radius: 12px; padding: 18px 22px; margin: 0 0 32px; font-size: .9375rem; line-height: 1.6; }
.lb-notice strong { color: var(--lb-dark); }
.lb-paper-layout > * { min-width: 0; }
.lb-fulltext p, .lb-fulltext li, .lb-aside li, .lb-aside p { overflow-wrap: anywhere; }
@media (max-width: 1000px) { .lb-paper-layout { grid-template-columns: minmax(0, 1fr); } .lb-aside { position: static; grid-row: 1; } }

/* ---------- motion ----------
   Resting state is always the finished state. labs.js adds .lb-await only to
   elements that start BELOW the first screen, then removes it as they scroll in,
   so the first frame (thumbnails, link previews, no-JS readers) is complete. */
.lb-reveal { transition: opacity .6s var(--lb-ease), transform .6s var(--lb-ease); }
.lb-reveal.lb-await { opacity: 0; transform: translateY(16px); }
.lb-grow i { transition: width 1.1s var(--lb-ease); }
.lb-grow.lb-await i { width: 0; }
.lb-grow .lb-bar:nth-child(2) i { transition-delay: .1s; }
.lb-grow .lb-bar:nth-child(3) i { transition-delay: .2s; }
.lb-grow .lb-bar:nth-child(4) i { transition-delay: .3s; }
.lb-grow .lb-bar:nth-child(5) i { transition-delay: .55s; }
.lb-ring .fg { transition: stroke-dashoffset 1.4s var(--lb-ease); }
.lb-ring.lb-await .fg { stroke-dashoffset: 251.3; }
.lb-dw .m { transition: transform .5s var(--lb-ease); }
.lb-dots-chart.lb-await .lb-dw .m { transform: scale(0); }
.lb-dots-chart .lb-dw:nth-child(2) .m { transition-delay: .12s; }
.lb-dots-chart .lb-dw:nth-child(3) .m { transition-delay: .24s; }
.lb-dots-chart .lb-dw:nth-child(4) .m { transition-delay: .36s; }
.lb-flow::after { width: 75%; }
.lb-flow.lb-await::after { width: 0; }
/* explainer: without JS the first scene shows; with JS the player controls scenes */
.lb-scene:first-child { opacity: 1; visibility: visible; }
.lb-js .lb-scene:first-child:not(.is-on) { opacity: 0; visibility: hidden; }
@media (prefers-reduced-motion: reduce) {
  .lb-hero h1 .lb-term { animation: none; }
  .lb-page *, .lb-page *::before, .lb-page *::after { transition-duration: .01ms !important; transition-delay: 0s !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* ---------- in-product links and field quote (added in site build 9.43) ---------- */
.lb-inproduct { margin-top: 20px; }
.lb-inproduct a { display: inline-block; margin-right: 16px; white-space: nowrap; }
.lb-inproduct-line { font-size: .9375rem; line-height: 1.55; color: var(--lb-ink); background: var(--lb-tint-soft); border-radius: 10px; padding: 12px 16px; margin: 0 0 18px; }
.lb-inproduct-line a { white-space: nowrap; }
.lb-field { margin: 0 0 16px; padding: 2px 0 2px 14px; border-left: 3px solid var(--lb-blue); }
.lb-field p { margin: 0 0 8px; font-size: .9375rem; line-height: 1.6; color: var(--lb-ink); font-style: italic; }
.lb-field footer { font-size: .8125rem; color: var(--lb-subtle); }