:root {
    --ink: #171b24; --navy: #1d2639; --night: #0b1628; --night-2: #142037; --line-n: #1e2839;
    --blue: #2c96ff; --blue-soft: #bfdcff; --chip: #e6f0ff; --chip-ink: #1e3a8a;
    --orange: #f79d20; --gray: #858c94; --line: #ebedf0; --bg: #f2f2f2; --beige: #ece9e4; --white: #fff;
    --serif: Optima, 'Optima nova', 'URW Classico', Candara, 'Segoe UI', sans-serif; --sans: 'Geist', system-ui, sans-serif; --geist: 'Geist', system-ui, sans-serif;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html, body { height: 100%; }
  body { font-family: var(--sans); color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
  button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; text-align: left; }
  input { font: inherit; color: inherit; }
  img { display: block; }
  a { color: inherit; }
  [hidden] { display: none !important; }
  svg { flex: none; }
  .site { background: var(--beige); min-height: 100vh; overflow-x: hidden; position: relative; }
  .s-nav { position: fixed; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: background .2s; top: 0; left: 0; right: 0; height: 64px; display: flex; align-items: center; justify-content: space-between; padding: 0 40px; z-index: 5; }
  .s-nav.scrolled { background: rgba(236,233,228,.82); }
  .s-nav.solid { position: sticky; background: var(--beige); }
  .s-nav .lg { width: 88px; height: 18px; transform-origin: left center; }
  .s-links { position: absolute; left: 50%; transform: translateX(-50%); display: flex; }
  .s-links a { padding: 0 24px; font-size: 14px; line-height: 64px; text-decoration: none; cursor: pointer; }
  .s-right { display: flex; align-items: center; gap: 8px; }
  .s-signin { font-size: 14px; padding: 0 20px; height: 40px; border-radius: 8px; }
  .s-btn { background: var(--navy); color: #fff; font-size: 14px; height: 40px; padding: 0 16px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
  .s-btn.blue { background: #2e8bf0; height: 48px; padding: 0 28px; font-size: 15px; }
  .s-btn:hover { filter: brightness(1.12); }

  .dark { position: relative; background: var(--night-2); color: #fff; margin-top: -1px; }
  .dark .stack { position: relative; height: 164px; width: 448px; margin: 0 auto; transform: translateY(-120px); }
  .broken { text-align: center; padding: 0 24px 160px; margin-top: 20px; }
  .broken h2 { font-family: var(--serif); font-weight: 400; font-size: 64px; line-height: 70px; margin-bottom: 64px; }
  @media (max-width: 900px) { .broken h2 { font-size: 40px; line-height: 46px; } }
  .broken p { max-width: 660px; margin: 0 auto 32px; font-size: 22px; line-height: 32px; font-weight: 300; }

  .how { position: relative; background: var(--beige); padding: 200px 0 160px; }
  .how-lab { text-align: center; color: #2e8bf0; font-size: 20px; margin-bottom: 56px; }
  .tabs3 { width: 1200px; max-width: calc(100% - 48px); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .tab3 { cursor: pointer; text-align: left; font: inherit; transition: background .2s, box-shadow .2s, transform .2s; background: linear-gradient(180deg, #fff, #f8f6f4); border-radius: 16px; padding: 22px 24px 24px; box-shadow: 0 2px 8px rgba(120,110,100,.12); border: 1px solid rgba(255,255,255,.8); }
  .tab3:hover:not(.on) { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(120,110,100,.18); }
  .tab3:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
  .how-panels { width: 1200px; max-width: calc(100% - 48px); margin: 74px auto 0; min-height: 546px; }
  .how-p { animation: howIn .45s cubic-bezier(.2,.8,.2,1); display: flex; justify-content: center; }
  .how-p { flex-direction: column; align-items: center; }
  .rm-note { margin-top: 20px; max-width: 640px; text-align: center; font-size: 15px; line-height: 22px; color: #4a5160; }
  .how-p[hidden] { display: none; } .how-p .vis { margin: 0; width: 100%; } .how-p .sc-card { margin: 40px 0 0; }
  @keyframes howIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
  .tab3.on { background: var(--blue-soft); border-color: #cfe5ff; }
  .tab3 h3 { font-family: var(--serif); font-weight: 400; font-size: 26px; line-height: 28px; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
  .tab3 p { font-size: 14px; line-height: 20px; }
  .vis { width: 1200px; max-width: calc(100% - 48px); margin: 74px auto 0; border-radius: 28px; overflow: hidden; }
  .vis img { width: 100%; }
  .vis-gap { height: 120px; }
  .sc-card { width: 740px; max-width: calc(100% - 48px); margin: 120px auto 0; }

  .sec { padding: 200px 60px 0; display: flex; justify-content: space-between; align-items: flex-end; max-width: 1440px; margin: 0 auto; }
  .sec .eb { color: #2e8bf0; font-size: 14px; text-transform: uppercase; margin-bottom: 20px; }
  .sec h2 { font-family: var(--serif); font-weight: 300; font-size: 64px; line-height: 56px; color: var(--navy); }
  .sec .bd { display: flex; gap: 24px; }
  .sec .bd img { width: 64px; height: 64px; }
  .three { display: grid; grid-template-columns: repeat(3, 1fr); background: #fff; margin-top: 64px; }
  .three div { padding: 32px 64px 48px; border-right: 1px solid var(--line); }
  .three h3 { font-weight: 400; font-size: 18px; text-transform: uppercase; color: #2e8bf0; margin-bottom: 24px; }
  .three p { font-size: 16px; line-height: 24px; max-width: 340px; }
  .cta { background: var(--night-2); color: #fff; }
  .cta-in { max-width: 1440px; margin: 0 auto; padding: 118px 72px 0; height: 378px; display: flex; justify-content: space-between; align-items: flex-start; }
  .cta h2 { font-family: var(--serif); font-weight: 400; font-size: 56px; line-height: 56px; letter-spacing: 0; }
  .cta .s-btn.blue { min-width: 240px; height: 48px; padding: 0 24px; font-size: 14px; gap: 12px; border-radius: 6px; background: #2e8bf0; margin-top: 2px; }
  .cta-div { height: 1px; background: #243250; margin: 0 24px; }
  .foot { max-width: 1440px; margin: 0 auto; padding: 48px 72px 0; display: flex; justify-content: space-between; align-items: flex-start; height: 168px; }
  .foot p { font-family: var(--serif); font-weight: 400; font-size: 26px; line-height: 28px; width: 347px; }
  .foot .cols { display: flex; gap: 104px; margin-right: 4px; font-size: 14px; line-height: 18px; }
  .foot .cols a { cursor: pointer; text-decoration: none; color: inherit; } .foot .cols a:hover, .s-links a:hover { opacity: .7; }
  .foot .cols div { display: grid; gap: 16px; align-content: start; }
  .fw { position: relative; max-width: 1440px; margin: 72px auto 0; aspect-ratio: 1440 / 293.15; }
  .fw img { position: absolute; display: block; }
  .copy { max-width: 1440px; margin: 0 auto; padding: 14px 72px 28px; display: flex; justify-content: space-between; font-size: 14px; line-height: 18px; color: #8f98a8; }
  .cp-r { display: flex; gap: 16px; }
  @media (max-width: 800px) { .cta-in { flex-direction: column; gap: 32px; padding: 72px 24px 0; height: auto; padding-bottom: 56px; } .cta h2 { font-size: 36px; line-height: 40px; } .foot { flex-direction: column; gap: 32px; height: auto; padding: 40px 24px 0; } .foot p { width: auto; } .foot .cols { gap: 56px; } .copy { padding: 14px 24px 28px; flex-direction: column; gap: 10px; } .fw { margin-top: 48px; } }
  /* memory graph */
  .rmem { display: grid; grid-template-columns: 1fr 392px; height: 546px; background: #fff; text-align: left; }
  .rm-g { position: relative; background: var(--navy); overflow: hidden; min-width: 0; }
  .rm-g svg { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: none; user-select: none; }
  .rk { stroke: rgba(255,255,255,.12); stroke-width: 1; transition: stroke .3s, stroke-opacity .3s; }
  .rk.h { stroke: rgba(255,255,255,.18); }
  .has-sel .rk { stroke-opacity: .6; }
  .rk.hl-i { stroke: #2c96ff; stroke-opacity: .7; } .rk.hl-x { stroke: #a9d3fd; stroke-opacity: .6; } .rk.hl-f { stroke: #f79d20; stroke-opacity: 1; stroke-width: 1.6; }
  .rn { cursor: pointer; } .rn circle { transition: r .3s cubic-bezier(.3,1.4,.5,1), fill .3s, opacity .3s, stroke .3s; }
  .rn .hit { fill: transparent; r: 11px; } .rn .h1, .rn .h2, .rn .rg { opacity: 0; fill: none; pointer-events: none; }
  .rn .c { fill: rgba(255,255,255,.36); r: 3px; } .rn.hubn .c { fill: rgba(255,255,255,.6); r: 6px; }
  .rn:hover .c { fill: #fff; r: 4.5px; } .rn.hubn:hover .c { r: 7px; }
  .rn.fm { opacity: .2; } .has-sel .rn.fm:not(.hl) { opacity: .2; }
  .rn.hl .h1, .rn.hl .h2 { opacity: 1; }
  .rn.r-ind .c { fill: #2c96ff; r: 4.2px; } .rn.r-ind .h1 { r: 9px; fill: rgba(44,150,255,.2); } .rn.r-ind .h2 { r: 14px; fill: rgba(44,150,255,.09); }
  .rn.hubn.r-ind .c { r: 7px; } .rn.hubn.r-ind .h1 { r: 14px; } .rn.hubn.r-ind .h2 { r: 22px; }
  .rn.r-fnd .c { fill: #f79d20; r: 4.8px; } .rn.r-fnd .h1 { r: 11px; fill: rgba(247,157,32,.22); } .rn.r-fnd .h2 { r: 18px; fill: rgba(247,157,32,.1); }
  .rn.r-sim .c { fill: #a9d3fd; r: 4px; } .rn.r-sim .h1 { r: 9px; fill: rgba(169,211,253,.22); } .rn.r-sim .h2 { r: 14px; fill: rgba(169,211,253,.09); }
  .rn.hl.inv .rg { opacity: 1; stroke: #34d378; stroke-width: 2; r: 7.5px; } .rn.hubn.hl.inv .rg { opacity: 0; }
  .rn.sel .c { fill: #fff; r: 6.5px; } .rn.sel .h1 { r: 24px; fill: rgba(44,150,255,.2); } .rn.sel .h2 { r: 40px; fill: rgba(44,150,255,.1); }
  .rn.sel .rg { opacity: .95; stroke: #fff; stroke-width: 1.5; r: 15px; } .rn.hubn.sel .c { r: 8px; } .rn.hubn.sel .rg { r: 17px; }
  .rl { fill: rgba(255,255,255,.85); font-size: 11px; font-family: var(--sans); pointer-events: none; opacity: 0; transition: opacity .25s; paint-order: stroke; stroke: var(--navy); stroke-width: 3px; }
  .rl.show { opacity: 1; } .rl.hubl { text-anchor: middle; fill: rgba(255,255,255,.7); font-size: 11.5px; } .rl.fnd { fill: #f79d20; }
  .rm-chips { position: absolute; left: 16px; top: 16px; display: flex; gap: 6px; flex-wrap: wrap; }
  .rm-chips button { height: 28px; padding: 0 10px; border-radius: 7px; font-size: 12px; color: #cfd6ea; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1); } .rm-chips button:hover { background: rgba(255,255,255,.14); } .rm-chips button.on { background: #fff; color: #171b24; }
  .rm-zoom { position: absolute; left: 16px; bottom: 16px; display: grid; border-radius: 8px; overflow: hidden; border: 1px solid rgba(255,255,255,.12); }
  .rm-zoom button { width: 32px; height: 32px; background: rgba(255,255,255,.08); color: #fff; font-size: 17px; text-align: center; } .rm-zoom button:hover { background: rgba(255,255,255,.16); } .rm-zoom button + button { border-top: 1px solid rgba(255,255,255,.12); }
  .rm-tip { position: absolute; z-index: 3; background: #11151f; color: #fff; font-size: 13px; padding: 7px 10px; border-radius: 6px; pointer-events: none; white-space: nowrap; box-shadow: 0 4px 14px rgba(0,0,0,.4); }
  .rm-p { background: #fff; overflow-y: auto; min-width: 0; border-left: 1px solid var(--line); }
  .rm-p { padding: 28px 24px; font-family: var(--geist); }
  .rc-h h3 { font-family: var(--serif); font-weight: 400; font-size: 26px; line-height: 30px; color: var(--navy); }
  .rc-h small { display: block; margin-top: 4px; font-size: 13px; line-height: 18px; color: #6b7280; }
  .rc-t { margin-top: 24px; font-size: 11px; line-height: 16px; letter-spacing: .04em; text-transform: uppercase; color: #8a919c; }
  .rc { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .rc:last-child { border-bottom: 0; }
  .rc p { display: flex; align-items: center; gap: 8px; font-size: 14px; line-height: 20px; color: var(--navy); }
  .rc p i { width: 8px; height: 8px; border-radius: 50%; flex: none; }
  .rc p span { margin-left: auto; font-size: 13px; color: #8a919c; }
  .rc > div { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
  .rc-n { padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 13px; line-height: 18px; color: var(--ink); }
  .rc-n:hover { border-color: var(--blue); color: #2e8bf0; }
  .rc-n.inv { border-color: #b9dfc6; background: #eef8f1; }
  .rc em { align-self: center; font-style: normal; font-size: 13px; color: #8a919c; }
  @media (max-width: 900px) { .rmem { grid-template-columns: 1fr; height: auto; } .rm-g { height: 420px; } .rm-p { max-height: 420px; border-left: 0; border-top: 1px solid var(--line); } }
  /* memory entrance */
  @keyframes rmDraw { from { stroke-dashoffset: var(--len); } to { stroke-dashoffset: 0; } }
  @keyframes rmIn { from { opacity: 0; } to { opacity: 1; } }
  @keyframes rmFresh { 0% { transform: scale(0); } 70% { transform: scale(1.25); } 100% { transform: none; } }
  .how-p[data-p="2"]:not([hidden]) .rn { animation: rmIn .8s ease both; } .how-p[data-p="2"]:not([hidden]) .rk { animation: rmIn .8s ease .1s both; }
  .how-p[data-p="2"]:not([hidden]) .rn.fresh { animation: rmIn .6s ease 1.1s both; }
  .how-p[data-p="2"]:not([hidden]) .rn.fresh .c { animation: rmPulse 1.2s ease-out 1.1s 2; }
  @keyframes rmPulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
  .how-p[data-p="2"]:not([hidden]) .rk.fresh { stroke-dasharray: var(--len); animation: rmDraw .9s cubic-bezier(.4,0,.2,1) 1.4s both; }
  .how-p[data-p="2"]:not([hidden]) .rp-in { animation: howIn .5s ease .2s both; }


  /* world map */
  .worldmap { position: relative; aspect-ratio: 1200 / 546; background: #1a1f2b; user-select: none; }
  .worldmap canvas { position: absolute; inset: 0; }
  .wm-layer { position: absolute; inset: 0; }
  .wm-d { position: absolute; width: 30px; height: 30px; margin: -15px 0 0 -15px; border-radius: 50%; display: grid; place-items: center; cursor: pointer; transition: opacity .3s; }
  .wm-d i { width: 9px; height: 9px; border-radius: 50%; background: #a9d3fd; box-shadow: 0 0 10px rgba(169,211,253,.7); transition: transform .2s; display: block; }
  .wm-d.fit i { background: #fff; box-shadow: 0 0 0 2.5px rgba(52,211,120,.95), 0 0 14px rgba(255,255,255,.7); width: 8px; height: 8px; }
  .wm-d:hover i, .wm-d.sel i { transform: scale(1.5); }
  .wm-d:focus-visible { outline: 2px solid #fff; }
  .wm-d.sel::before { content: ""; position: absolute; inset: 3px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,.85); }
  .wm-d.pop { animation: wmPop .55s cubic-bezier(.3,1.6,.5,1); }
  .wm-d.new::after { content: ""; position: absolute; inset: 5px; border-radius: 50%; border: 1.5px solid rgba(169,211,253,.9); animation: wmRip 1.6s ease-out 3; }
  .wm-d.fit.new::after { border-color: rgba(52,211,120,.95); }
  .wm-d.dim { opacity: .22; } .wm-d.out { opacity: 0; transform: scale(.4); transition: opacity .45s, transform .45s; }
  @keyframes wmPop { from { transform: scale(0); opacity: 0; } to { transform: none; opacity: 1; } }
  @keyframes wmRip { from { transform: scale(.7); opacity: 1; } to { transform: scale(3.2); opacity: 0; } }
  .wm-top { position: absolute; left: 24px; right: 24px; top: 20px; display: flex; justify-content: space-between; align-items: center; gap: 12px; pointer-events: none; }
  .wm-top > * { pointer-events: auto; }
  .wm-chips { display: flex; gap: 8px; }
  .wm-chips button { height: 32px; padding: 0 12px; border-radius: 8px; font-size: 13px; color: #cfd6ea; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1); display: inline-flex; gap: 8px; align-items: center; transition: .2s; }
  .wm-chips button b { font-weight: 500; font-size: 12px; background: rgba(255,255,255,.12); border-radius: 4px; padding: 1px 6px; }
  .wm-chips button:hover { background: rgba(255,255,255,.14); }
  .wm-chips button.on { background: #fff; color: #171b24; border-color: #fff; } .wm-chips button.on b { background: #e6f0ff; color: #1e3a8a; }
  .wm-live { font-size: 12px; color: #9ba5c4; display: inline-flex; gap: 8px; align-items: center; }
  .wm-live i { width: 7px; height: 7px; border-radius: 50%; background: #4ea8ff; box-shadow: 0 0 0 0 rgba(78,168,255,.6); animation: wmLive 2s infinite; }
  @keyframes wmLive { 70% { box-shadow: 0 0 0 7px rgba(78,168,255,0); } 100% { box-shadow: 0 0 0 0 rgba(78,168,255,0); } }
  .wm-tip { position: absolute; z-index: 4; background: #f4f4f4; color: #1d2639; border-radius: 6px; padding: 8px 12px; pointer-events: none; box-shadow: 0 6px 20px rgba(0,0,0,.35); white-space: nowrap; animation: howIn .25s ease; }
  .wm-tip.fit { border-left: 3px solid #34d378; }
  .wm-tip small { display: block; font-size: 11px; letter-spacing: .08em; color: #6b7280; margin-bottom: 2px; }
  .wm-tip b { font-weight: 500; font-size: 14px; }
  .wm-card { position: absolute; z-index: 5; width: 300px; max-width: calc(100% - 16px); background: #fff; color: var(--ink); border-radius: 14px; padding: 18px 18px 16px; box-shadow: 0 18px 50px rgba(0,0,0,.45); animation: howIn .3s cubic-bezier(.2,.8,.2,1); }
  .wm-card h4 { font-family: var(--geist); font-weight: 500; font-size: 20px; line-height: 24px; margin-top: 10px; }
  .wc-x { position: absolute; right: 8px; top: 8px; width: 28px; height: 28px; border-radius: 6px; display: grid; place-items: center; color: #6b7280; } .wc-x:hover { background: #f1f3f6; }
  .wc-tag { display: inline-block; font-size: 12px; font-weight: 500; padding: 3px 8px; border-radius: 4px; background: #e4e7ec; color: #3b4352; } .wc-tag.fit { background: #2c96ff; color: #fff; }
  .wc-sub { font-size: 12px; color: var(--gray); margin-top: 2px; } .wc-d { font-size: 14px; line-height: 20px; margin: 10px 0; color: #2b3342; }
  .wc-chips { display: flex; flex-wrap: wrap; gap: 6px; } .wc-chips span { background: var(--chip); color: var(--chip-ink); font-size: 12px; padding: 4px 8px; border-radius: 4px; }
  .wc-chk { list-style: none; margin: 14px 0; border-top: 1px solid var(--line); } .wc-chk li { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 13px; } .wc-chk em { margin-left: auto; font-style: normal; color: #5b6472; }
  .wc-go { width: 100%; height: 40px; border-radius: 8px; background: var(--navy); color: #fff; font-size: 14px; display: flex; align-items: center; justify-content: center; gap: 10px; } .wc-go:hover { filter: brightness(1.2); }
  .wm-leg { position: absolute; left: 0; right: 0; bottom: 18px; display: flex; justify-content: center; gap: 28px; font-size: 14px; color: #c3cae0; flex-wrap: wrap; padding: 0 16px; }
  .wm-leg span { display: inline-flex; align-items: center; gap: 10px; } .wm-leg i { width: 9px; height: 9px; border-radius: 50%; display: block; }
  .wm-leg .d1 { background: #a9d3fd; box-shadow: 0 0 8px rgba(169,211,253,.7); } .wm-leg .d2 { background: #fff; box-shadow: 0 0 0 2.5px rgba(52,211,120,.95); }
  .wm-leg .wm-m { position: absolute; right: 24px; bottom: 0; font-size: 12px; color: #8590b0; }
  @media (max-width: 800px) { .wm-leg .wm-m, .wm-live { display: none; } .wm-leg { font-size: 12px; gap: 14px; bottom: 10px; } .wm-chips button { font-size: 12px; padding: 0 9px; } }
  .dc { background: #fff; border-radius: 24px; padding: 24px; box-shadow: 0 1px 2px rgba(23,27,36,.04), 0 6px 24px rgba(23,27,36,.04); width: 740px; max-width: 100%; }
  .dc-h { display: flex; gap: 14px; align-items: flex-start; cursor: pointer; }
  .dc-lg { width: 56px; height: 56px; border-radius: 14px; overflow: hidden; flex: none; }
  .dc-lg img { width: 100%; height: 100%; object-fit: cover; }
  .dc-d { font-size: 14px; line-height: 20px; color: #3b4352; margin-top: 2px; }
  /* Verify card: one job, the ranked questions that cost most to answer */
  .dc { padding: 32px; }
  .dc-h { align-items: center; cursor: default; }
  .dc-h h3 { font-family: var(--geist); font-weight: 400; font-size: 24px; line-height: 28px; color: var(--navy); }
  .vq-t { font-family: var(--serif); font-weight: 400; font-size: 26px; line-height: 30px; color: var(--navy); }
  .vq-s { margin-top: 6px; font-size: 14px; line-height: 20px; color: #6b7280; max-width: 520px; }
  .vq { list-style: none; margin-top: 12px; }
  .vq li { display: flex; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
  .vq-n { flex: none; width: 28px; font-family: var(--serif); font-size: 30px; line-height: 28px; color: var(--blue); }
  .vq li > div { flex: 1; min-width: 0; }
  .vq h4 { font-family: var(--geist); font-weight: 500; font-size: 17px; line-height: 24px; color: var(--navy); }
  .vq-w { margin-top: 2px; font-size: 14px; line-height: 20px; color: #6b7280; }
  .vq dl { display: grid; grid-template-columns: 1fr 140px; gap: 16px; margin-top: 12px; }
  .vq-e { display: flex; align-items: center; gap: 8px; }
  .vq-e span { display: flex; gap: 3px; }
  .vq-e i { width: 14px; height: 6px; border-radius: 3px; background: #e3e0db; }
  .vq-e i.on { background: var(--blue); }
  .vq dt { font-size: 11px; line-height: 16px; letter-spacing: .04em; text-transform: uppercase; color: #8a919c; }
  .vq dd { font-size: 14px; line-height: 20px; color: var(--ink); }
  .vq-f { margin-top: 16px; font-size: 13px; line-height: 18px; color: #6b7280; }

  /* ===== ENG-124: hero in normal flow (prototype was a fixed 1440px canvas), feedback from Figma applied ===== */
  .skip-link { position: absolute; top: -80px; left: 20px; z-index: 100; padding: 12px 18px; background: var(--navy); color: #fff; }
  .skip-link:focus { top: 12px; }
  main:focus { outline: none; }
  .lg { width: auto; height: auto; display: flex; align-items: center; gap: 6px; }
  .lg img { position: static; }
  .s-signin, .s-btn { text-decoration: none; }
  .s-signin { display: inline-flex; align-items: center; }
  .hero { padding: 104px 40px 56px; min-height: 100vh; min-height: 100svh; display: flex; position: relative; }
  .hero-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
  .hero-in { position: relative; width: 100%; max-width: 1360px; margin: 0 auto; display: flex; flex-direction: column; }
  .eyebrow { margin-left: 64px; font-size: 12px; line-height: 16px; color: var(--blue); letter-spacing: .02em; text-transform: uppercase; }
  .hero h1 { margin: 20px 0 0 64px; font-family: var(--serif); font-weight: 400; font-size: 64px; line-height: 64px; color: var(--navy); }
  .hero .sub { margin: 32px 0 0 64px; max-width: 780px; font-family: var(--serif); font-weight: 300; font-size: 40px; line-height: 40px; color: var(--blue); }
  .flop { list-style: none; display: flex; justify-content: center; gap: 20px; margin-top: auto; padding-top: 112px; }
  .pc { position: relative; width: 150px; height: 208px; perspective: 900px; border-radius: 12px; transition: transform .25s cubic-bezier(.2,.8,.2,1); animation: pcDeal .45s cubic-bezier(.2,.8,.2,1) backwards; }
  .pc:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }
  .pc:nth-child(odd):hover { transform: translateY(-8px) rotate(-3deg); } .pc:nth-child(even):hover { transform: translateY(-8px) rotate(3deg); }
  .pc-in { display: block; position: relative; width: 100%; height: 100%; transform-style: preserve-3d; animation: pcFlop .8s cubic-bezier(.4,0,.2,1) both; }
  .pc:nth-child(1) { animation-delay: .3s; } .pc:nth-child(2) { animation-delay: .6s; } .pc:nth-child(3) { animation-delay: .9s; }
  .pc:nth-child(1) .pc-in { animation-delay: 2.2s; } .pc:nth-child(2) .pc-in { animation-delay: 2.7s; } .pc:nth-child(3) .pc-in { animation-delay: 3.2s; }
  .pc-back, .pc-front { position: absolute; inset: 0; border-radius: 12px; backface-visibility: hidden; -webkit-backface-visibility: hidden; box-shadow: 0 2px 12px rgba(180,173,167,.48); }
  /* playing-card back: white edge, navy lattice, thin inner frame, the mark on a plain medallion */
  .pc-back { transform: rotateY(180deg); display: grid; place-items: center; border: 6px solid #fff; background: repeating-linear-gradient(45deg, rgba(255,255,255,.09) 0 1px, transparent 1px 9px), repeating-linear-gradient(-45deg, rgba(255,255,255,.09) 0 1px, transparent 1px 9px), var(--night-2); }
  .pc-back::before { content: ""; position: absolute; inset: 6px; border: 1px solid rgba(255,255,255,.5); border-radius: 5px; }
  .pc-back img { position: relative; box-sizing: content-box; padding: 16px 12px; border-radius: 50%; background: var(--night-2); box-shadow: 0 0 0 1px rgba(255,255,255,.5); }
  .pc-front { display: flex; flex-direction: column; justify-content: space-between; padding: 12px 14px; border: 1px solid #fff; background: linear-gradient(180deg, #fff, #f8f6f4); color: var(--navy); }
  .pc-front i { display: flex; flex-direction: column; align-items: center; width: fit-content; font-style: normal; font-family: var(--serif); font-size: 20px; line-height: 1; color: var(--navy); }
  .pc-front i span { font-size: 16px; }
  .pc-front i.r { color: #c8322b; }
  .pc-front i:last-child { align-self: flex-end; transform: rotate(180deg); }
  .pc-front b { font-family: var(--serif); font-weight: 400; font-size: 22px; line-height: 26px; text-align: center; }
  /* Dealt face down, left lying long enough to see the back, then turned over; with reduced motion the cards simply lie face up.
     The fade lives on .pc, not .pc-in: animating opacity on the 3D element flattens it and the back face never shows. */
  @keyframes pcDeal { from { opacity: 0; transform: translateY(-28px); } }
  @keyframes pcFlop { from { transform: rotateY(180deg); } to { transform: rotateY(0); } }
  /* a soft ring once the cards are face up hints that they can be hovered */
  .pc::after { content: ""; position: absolute; inset: -3px; border-radius: 15px; border: 2px solid var(--blue); opacity: 0; pointer-events: none; animation: pcPulse 2.8s ease-out 4.2s infinite; }
  .pc:nth-child(2)::after { animation-delay: 4.5s; } .pc:nth-child(3)::after { animation-delay: 4.8s; }
  .pc:hover::after, .pc:focus::after { animation: none; }
  @keyframes pcPulse { 0% { opacity: .55; transform: scale(1); } 60%, 100% { opacity: 0; transform: scale(1.09); } }
  .pc-tip { position: absolute; left: 50%; bottom: calc(100% + 12px); width: 230px; margin-left: -115px; padding: 12px 14px; border-radius: 10px; background: var(--navy); color: #fff; font-size: 14px; line-height: 20px; text-align: left; box-shadow: 0 8px 24px rgba(23,27,36,.22); opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .18s, transform .18s, visibility .18s; pointer-events: none; z-index: 6; }
  .pc-tip::after { content: ""; position: absolute; left: 50%; top: 100%; margin-left: -6px; border: 6px solid transparent; border-top-color: var(--navy); }
  .pc:hover .pc-tip, .pc:focus .pc-tip { opacity: 1; visibility: visible; transform: none; }
  /* unprompted, each tip shows in turn once the cards are face up; touching any card hands control to hover/focus */
  .pc-tip { animation: pcTip 14s ease 4.4s infinite; }
  .pc:nth-child(2) .pc-tip { animation-delay: 7.9s; } .pc:nth-child(3) .pc-tip { animation-delay: 11.4s; }
  .flop:hover .pc-tip, .flop:focus-within .pc-tip { animation: none; }
  @keyframes pcTip { 0%, 25%, 100% { opacity: 0; visibility: hidden; transform: translateY(6px); } 3%, 23% { opacity: 1; visibility: visible; transform: none; } }
  /* fourth beat of the same round: the drop zone lights up and dares the visitor */
  .dz-tip { position: absolute; left: 50%; bottom: calc(100% - 12px); padding: 10px 16px; border-radius: 10px; background: #2e8bf0; color: #fff; font-size: 14px; font-weight: 500; line-height: 20px; white-space: nowrap; box-shadow: 0 8px 24px rgba(44,150,255,.35); opacity: 0; visibility: hidden; transform: translate(-50%, 6px); pointer-events: none; z-index: 6; animation: dzTip 14s ease 14.9s infinite; }
  .dz-tip::after { content: ""; position: absolute; left: 50%; top: 100%; margin-left: -6px; border: 6px solid transparent; border-top-color: #2e8bf0; }
  .dz::after { content: ""; position: absolute; inset: -8px; border-radius: 34px; box-shadow: 0 0 0 2px rgba(44,150,255,.7), 0 18px 44px rgba(44,150,255,.3); opacity: 0; pointer-events: none; animation: dzGlow 14s ease 14.9s infinite; }
  .dz:hover .dz-tip, .dz:hover::after, .flop:hover ~ .dz .dz-tip, .flop:hover ~ .dz::after { animation: none; }
  @keyframes dzTip { 0%, 25%, 100% { opacity: 0; visibility: hidden; transform: translate(-50%, 6px); } 3%, 23% { opacity: 1; visibility: visible; transform: translate(-50%, 0); } }
  @keyframes dzGlow { 0%, 25%, 100% { opacity: 0; } 3%, 23% { opacity: 1; } }
  .dz { display: block; position: relative; width: 640px; max-width: 100%; height: 260px; margin: 32px auto 0; border-radius: 26px; background: rgba(255,255,255,.55); box-shadow: 0 0 0 8px rgba(255,255,255,.35), 0 12px 40px rgba(180,173,167,.35); text-decoration: none; transition: transform .25s, box-shadow .25s; }
  .dz::before { content: ""; position: absolute; inset: 8px; border-radius: 20px; border: 1px solid #fff; background: linear-gradient(180deg, #f8f6f4, #f1eeeb); }
  .dz:hover, .dz:focus-visible, .dz.over { transform: translateY(-2px); box-shadow: 0 0 0 8px rgba(255,255,255,.55), 0 18px 44px rgba(44,150,255,.25); }
  .dz-in { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 0 24px; }
  .dz b { font-weight: 500; font-size: 20px; line-height: 28px; color: var(--navy); }
  .dz small { font-size: 16px; line-height: 24px; color: var(--ink); }
  .dz small u { color: #2e8bf0; }
  .promo { display: flex; gap: 8px; justify-content: center; align-items: center; margin-top: 24px; font-size: 14px; color: #4a5160; text-align: center; }
  .h-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin: auto 64px 0; padding-top: 56px; }
  .h-note { max-width: 520px; font-size: 16px; line-height: 24px; }
  .h-note b { font-weight: 500; }
  .h-badges { text-align: right; font-size: 12px; color: #6b7280; }
  .h-badges div { display: flex; gap: 20px; justify-content: flex-end; margin-top: 12px; }
  .h-badges img { width: 56px; height: 56px; }
  .dark-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
  .broken { position: relative; padding-top: 160px; margin-top: 0; }
  .js .broken h2, .js .broken p { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
  .js .dark.in .broken h2, .js .dark.in .broken p { opacity: 1; transform: none; }
  .how-lab { font-weight: 400; }
  .how { padding: 160px 0; }
  .sec { padding-top: 0; }
  .three div:last-child { border-right: 0; }
  .cta-in .s-btn, .wc-go { text-decoration: none; }
  main > .cta { padding-bottom: 0; } footer.cta { margin-top: -1px; }
  .copy a { color: inherit; text-decoration: none; } .copy a:hover { text-decoration: underline; }
  /* ===== deck upload widget (only when PUBLIC_UPLOAD_URL is set): details form, sending, sent ===== */
  div.dz { cursor: pointer; }
  .dz.up { height: auto; min-height: 260px; cursor: default; transform: none; box-shadow: 0 0 0 8px rgba(255,255,255,.35), 0 12px 40px rgba(180,173,167,.35); }
  .dz.up::before { background: #fff; }
  .dz.up::after, .dz.up .dz-tip { display: none; }
  .up-form, .up-wait, .up-sent { position: relative; padding: 32px 40px; font-family: var(--geist); color: var(--navy); }
  .dz.up h3 { font-weight: 500; font-size: 18px; line-height: 24px; text-align: center; margin-bottom: 20px; }
  .up-file { font-size: 14px; line-height: 20px; text-align: center; margin-bottom: 12px; color: #3b4352; overflow-wrap: anywhere; }
  .dz .up-file b, .dz .up-sent b { font-size: inherit; line-height: inherit; font-weight: 500; }
  .up-link, .up-sent a, .up-agree a { color: #2e8bf0; text-decoration: underline; font-size: 14px; }
  .up-role { display: flex; justify-content: center; gap: 24px; margin-bottom: 20px; font-size: 14px; }
  .up-role label, .up-agree { display: flex; align-items: center; gap: 8px; cursor: pointer; }
  .up-role input, .up-agree input { width: 16px; height: 16px; accent-color: var(--blue); }
  .up-row { display: grid; grid-template-columns: 1fr auto; gap: 16px; margin-bottom: 16px; }
  .up-go { padding: 0 24px; white-space: nowrap; }
  .up-row input { width: 100%; height: 48px; border: 1px solid #dfe2e7; border-radius: 8px; padding: 0 12px; font-size: 14px; background: #fff; outline: none; }
  .up-row input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(44,150,255,.16); }
  .up-go { background: var(--navy); color: #fff; height: 48px; border-radius: 8px; font-size: 14px; text-align: center; }
  .up-go:disabled { opacity: .6; cursor: default; }
  .up-agree { font-size: 14px; line-height: 20px; }
  .up-err { position: relative; margin-top: 14px; font-size: 14px; line-height: 20px; color: #b3261e; text-align: center; }
  .dz:not(.up) .up-err { position: absolute; left: 24px; right: 24px; bottom: 22px; margin: 0; }
  .up-wait, .up-sent { text-align: center; }
  .up-wait p, .up-sent p { font-size: 15px; line-height: 24px; color: #3b4352; }
  .up-bar { height: 4px; border-radius: 2px; background: #ece8e4; overflow: hidden; margin: 8px 0 16px; }
  .up-bar i { display: block; height: 100%; width: 0; background: var(--blue); transition: width .2s; }
  .up-foot { display: flex; justify-content: space-between; margin-top: 24px; }
  .up-ack { padding-top: 72px; animation: upIn .25s ease; }
  .up-ack .up-bar { max-width: 280px; margin-inline: auto; }
  .up-ack .up-bar i { animation: upFill .75s cubic-bezier(.4,0,.2,1) .1s forwards; }
  .up-form { animation: upIn .4s ease; }
  @keyframes upFill { to { width: 100%; } }
  @keyframes upIn { from { opacity: 0; transform: translateY(8px); } }
  @media (max-width: 600px) { .up-form, .up-wait, .up-sent { padding: 28px 20px; } .up-row { grid-template-columns: 1fr; } }
  /* nav and footer links glide to their section; Security has no top padding, so keep it clear of the fixed nav */
  html { scroll-behavior: smooth; }
  #s-sec { scroll-margin-top: 112px; }
  @media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }
  /* One left edge for the whole page: the hero text sets it, every section follows. */
  .s-nav { padding-inline: max(104px, calc((100% - 1232px) / 2)); }
  .tabs3, .how-panels, .sec, .cta-in, .foot, .fw, .copy { width: 1232px; max-width: calc(100% - 208px); padding-inline: 0; }
  .three { padding-inline: max(104px, calc((100% - 1232px) / 2)); }
  .three div { padding: 32px 40px 48px; } .three div:first-child { padding-left: 0; }
  .dz { height: 200px; } .dz b { font-size: 24px; line-height: 32px; } .dz small { margin-top: 6px; }
  .h-note { max-width: 680px; } .h-note b { display: block; margin-bottom: 12px; font-family: var(--serif); font-weight: 400; font-size: 32px; line-height: 36px; color: var(--navy); white-space: nowrap; }
  .pend { display: inline-block; margin-left: 8px; padding: 2px 10px; border: 1px solid currentColor; border-radius: 99px; font-size: 11px; line-height: 16px; letter-spacing: .04em; text-transform: uppercase; color: var(--ink); }
  .bd-w { text-align: right; } .bd-w .pend { margin: 0 0 14px; }
  @media (max-width: 1000px) {
    .tabs3, .how-panels, .sec, .cta-in, .foot, .fw, .copy { max-width: calc(100% - 40px); }
    .s-nav, .three { padding-inline: 20px; } .three div, .three div:first-child { padding: 24px 0; }
    .h-note b { font-size: 26px; line-height: 30px; white-space: normal; } .pend { margin-left: 0; } .bd-w { text-align: left; }
    .s-links { display: none; }
    .hero { padding: 96px 20px 40px; }
    .eyebrow, .hero h1 { margin-left: 0; }
    .hero h1 { font-size: clamp(34px, 7vw, 56px); line-height: 1.05; }
    .hero h1 br { display: none; }
    .hero .sub { margin-left: 0; font-size: clamp(24px, 5vw, 34px); line-height: 1.1; }
    .flop { gap: 10px; padding-top: 104px; } .pc { width: 31%; max-width: 150px; height: 156px; } .pc-front { padding: 8px; } .pc-front b { font-size: 18px; line-height: 21px; } .pc-back img { width: 40px; height: 34px; padding: 12px 9px; } .pc-tip { width: 200px; margin-left: -100px; font-size: 13px; line-height: 18px; } .pc:first-child .pc-tip { left: 0; margin-left: 0; } .pc:first-child .pc-tip::after { left: 28px; } .pc:last-child .pc-tip { left: auto; right: 0; margin-left: 0; } .pc:last-child .pc-tip::after { left: auto; right: 22px; } .pc-front i { font-size: 15px; } .pc-front i span { font-size: 12px; }
    .h-foot { flex-direction: column; align-items: flex-start; margin-inline: 0; padding-top: 40px; }
    .h-badges { text-align: left; } .h-badges div { justify-content: flex-start; flex-wrap: wrap; gap: 14px; }
    .h-badges img { width: 48px; height: 48px; }
    .broken { padding: 96px 20px; } .broken p { font-size: 18px; line-height: 28px; }
    .how { padding: 96px 0; }
    .tabs3 { grid-template-columns: 1fr; }
    .how-panels { margin-top: 32px; min-height: 0; }
    .sec { flex-direction: column; align-items: flex-start; gap: 32px; }
    .sec h2 { font-size: 40px; line-height: 42px; } .sec .bd { flex-wrap: wrap; gap: 16px; }
    .three { grid-template-columns: 1fr; } .three div { border-right: 0; border-bottom: 1px solid var(--line); }
    .dc { padding: 20px; } .vq dl { grid-template-columns: 1fr; gap: 6px; } .vq li { gap: 12px; } .vq h4 { font-size: 16px; line-height: 22px; }
    .s-signin { padding: 0 10px; }
  }