/* Multiplayer AI explainer. Inherits the site's tokens and shared classes
   (.container, .section, .eyebrow, .h-display, .lead, .badge). Everything here is
   page-specific: the figures, the assembly line, and the illustrative workbench.
   The complete narrative and every figure exist in HTML; motion is additive. */
@font-face{font-family:'Neue Montreal';src:url('../fonts/NeueMontreal-Regular.otf') format('opentype');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:'Neue Montreal';src:url('../fonts/NeueMontreal-Medium.otf') format('opentype');font-style:normal;font-weight:500 600;font-display:swap}

.mp-page{--mp-card:#fdfcf8;--mp-shadow:12px 12px 0 -2px rgba(0,0,0,.06);--mp-tint:#eef3fd}
.mp-page h1 em,.mp-page h2 em,.mp-page h3 em{font-style:normal;color:var(--blue)}
.mp-page :focus-visible{outline:3px solid var(--blue);outline-offset:4px}
.mp-skip{position:fixed;top:-100px;left:20px;background:#fff;color:#000;padding:12px 20px;z-index:9999}
.mp-skip:focus{top:12px}
.mp-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.mp-page .container{padding:0 var(--pad)}
.mp-section{padding:112px 0}

/* Section heads follow the Jumpstart pattern: centered eyebrow, display, lead. */
.mp-head{max-width:760px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:20px}
.mp-head .lead{max-width:680px}
.mp-head--sub{margin-top:112px}
.mp-head--wide{max-width:960px}
.mp-head--wide .lead{max-width:680px}
.mp-punch{max-width:720px;margin:56px auto 0;text-align:center;font:500 22px/1.4 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.01em;color:#000;text-wrap:balance}
.mp-punch__sub{display:inline-block;margin-top:10px;font-weight:400;font-size:17px;line-height:1.5;color:var(--muted)}
.mp-aside{max-width:720px;margin:36px auto 0;text-align:center;font:400 17px/1.55 "Neue Montreal",system-ui,sans-serif;color:var(--muted)}
.mp-aside a{color:var(--blue);font-weight:500;text-decoration:none;white-space:nowrap}
.mp-aside a:hover{color:var(--blue-deep);text-decoration:underline;text-underline-offset:4px}

/* Shared figure card */
.mp-card-frame{background:var(--mp-card);border:1.5px solid #000;border-radius:16px;box-shadow:var(--mp-shadow)}

/* Avatars: people are pastel profile discs, AI is the concentric blue mark. */
.mp-avatar{width:36px;height:36px;flex:0 0 36px;border:1.5px solid #000;border-radius:50%;display:inline-grid;place-items:center;font:500 14px/1 "Neue Montreal",system-ui,sans-serif;color:#000;background:#fff;position:relative}
.mp-avatar svg{width:100%;height:100%}
.mp-avatar:not(.mp-avatar--ai){font-size:0;background-image:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 32 32%27%3E%3Ccircle cx=%2716%27 cy=%2712%27 r=%274.5%27 fill=%27%23000%27/%3E%3Cpath d=%27M7 26q1-8.5 9-8.5t9 8.5%27 fill=%27%23fff%27 stroke=%27%23000%27 stroke-width=%271.5%27/%3E%3C/svg%3E");background-size:100% 100%;background-repeat:no-repeat}
.mp-avatar:has(svg){background-image:none}
.mp-avatar--yellow{background-color:var(--yellow)}.mp-avatar--pink{background-color:var(--pink)}.mp-avatar--green{background-color:var(--green-bg)}.mp-avatar--blue{background-color:var(--blue-light)}
.mp-avatar--ai{background:var(--blue-light)}
.mp-avatar--ai::after{content:"AI";font:500 11px/1 "Neue Montreal",system-ui,sans-serif;letter-spacing:.02em}
.mp-avatar--sm.mp-avatar--ai::after{font-size:8.5px}
.mp-avatar--sm{width:26px;height:26px;flex-basis:26px;font-size:11px}

/* HERO */
.mp-hero{padding:150px 0 0}
.mp-hero__badge{text-transform:uppercase;letter-spacing:.1em}
.mp-hero__inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:22px}
.mp-hero__title{font:500 clamp(46px,5.4vw,76px)/1.04 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.025em;margin:0;text-wrap:balance}
.mp-hero__lead{max-width:640px;font-size:19px;line-height:1.5}
.mp-compare{width:100%;margin:40px 0 0;display:grid;grid-template-columns:1fr 1fr;background:var(--mp-card);border:1.5px solid #000;border-radius:18px;box-shadow:var(--mp-shadow);overflow:hidden;text-align:left}
.mp-compare__half{position:relative;padding:28px 30px 30px;display:flex;flex-direction:column;gap:8px}
.mp-compare__half--solo{background:#fbf3ee}
.mp-compare__half--team{border-left:1.5px solid #000;background:#eff8eb}
.mp-compare__tag{position:absolute;top:16px;left:30px;display:inline-block;padding:6px 11px;border:1.5px solid #000;border-radius:999px;font:500 11px/1 "Neue Montreal",system-ui,sans-serif;letter-spacing:.1em;text-transform:uppercase;background:var(--salmon)}
.mp-compare__half--team .mp-compare__tag,.mp-dayone__half--after .mp-compare__tag{background:var(--green-bg)}
.mp-compare__art{margin:20px 0 14px}
.mp-page .mp-avatar svg{display:block}
.mp-compare__art svg{display:block;width:100%;height:auto;overflow:visible}
.mp-compare__art text{font-family:"Neue Montreal",system-ui,sans-serif;font-weight:500}
.mp-compare h2{font:500 26px/1.15 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.02em;margin:0}
.mp-compare p{font:400 15.5px/1.5 "Neue Montreal",system-ui,sans-serif;color:var(--muted);margin:0;max-width:44ch}
/* Left: every thread rests on the same picture (asked, got a ?, asked again). Once
   seen, the last AI bubble types for a while and lands on another ?, each thread on
   its own clock. Right: named cursors fill the missing line together, then rest. */
.mp-typing{opacity:0}
.mp-again{opacity:1}
.mp-fill{transform-box:fill-box;transform-origin:left center}
.mp-draw{stroke-dasharray:130;stroke-dashoffset:0}
.mp-cur{transform-box:view-box}
.mp-cur--sales{transform:translate(172px,122px)}
.mp-cur--ai{transform:translate(270px,158px)}
.mp-cur--ops{transform:translate(246px,58px)}
@media(prefers-reduced-motion:no-preference){
  .mp-compare.is-seen .mp-typing{animation:mp-typing 6s linear calc(-1 * var(--d)) infinite}
  .mp-compare.is-seen .mp-typing circle{animation:mp-type-bob 1.1s ease-in-out calc(var(--k) * .16s - var(--d)) infinite}
  .mp-compare.is-seen .mp-again{animation:mp-again 6s linear calc(-1 * var(--d)) infinite}
  .mp-compare.is-seen .mp-miss{animation:mp-miss 9s var(--ease) infinite}
  .mp-compare.is-seen .mp-fill{animation:mp-fillin 9s var(--ease) infinite}
  .mp-compare.is-seen .mp-draw{animation:mp-drawline 9s var(--ease) infinite}
  .mp-compare.is-seen .mp-cur--sales{animation:mp-cur-sales 9s ease-in-out infinite}
  .mp-compare.is-seen .mp-cur--ai{animation:mp-cur-ai 9s ease-in-out infinite}
  .mp-compare.is-seen .mp-cur--ops{animation:mp-cur-ops 9s ease-in-out infinite}
  .mp-compare.is-seen .mp-ai{animation:mp-breathe 4.5s ease-in-out infinite;transform-box:fill-box;transform-origin:center}
}
@keyframes mp-typing{0%,58%{opacity:1}64%,100%{opacity:0}}
@keyframes mp-again{0%,62%{opacity:0}68%,100%{opacity:1}}
@keyframes mp-type-bob{0%,100%{transform:translateY(0);opacity:.35}50%{transform:translateY(-2.2px);opacity:1}}
@keyframes mp-miss{0%,38%{opacity:1}46%,100%{opacity:0}}
@keyframes mp-fillin{0%,40%{opacity:0;transform:scaleX(.2)}50%,100%{opacity:1;transform:none}}
@keyframes mp-drawline{0%,56%{stroke-dashoffset:130}76%,100%{stroke-dashoffset:0}}
@keyframes mp-cur-sales{0%,10%{transform:translate(150px,64px)}24%{transform:translate(184px,118px)}30%{transform:translate(172px,122px)}38%{transform:translate(172px,122px) scale(1)}41%{transform:translate(172px,122px) scale(.86)}44%,60%{transform:translate(172px,122px) scale(1)}76%{transform:translate(158px,92px)}90%,100%{transform:translate(150px,64px)}}
@keyframes mp-cur-ai{0%,40%{transform:translate(262px,112px)}50%{transform:translate(146px,152px)}56%{transform:translate(140px,158px)}76%,84%{transform:translate(270px,158px)}100%{transform:translate(262px,112px)}}
@keyframes mp-cur-ops{0%{transform:translate(246px,58px)}30%{transform:translate(298px,70px)}55%{transform:translate(262px,76px)}80%{transform:translate(288px,58px)}100%{transform:translate(246px,58px)}}
@keyframes mp-breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}

/* 1 THE PROBLEM: the relay. Work moves right, questions come back left. */
.mp-relay{position:relative;max-width:1080px;margin:72px auto 0;background:var(--mp-card);border:1.5px solid #000;border-radius:18px;box-shadow:var(--mp-shadow);overflow:hidden}
.mp-relay__row{display:grid;grid-template-columns:250px 1fr;gap:24px;padding:28px 28px 0}
.mp-relay__maya{background:var(--yellow-bg);border:1.5px solid #000;border-radius:14px;padding:22px 20px 20px;display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.mp-relay__face{width:52px;height:52px;flex-basis:52px;margin-bottom:8px}
.mp-relay__maya b{font:500 18px/1.2 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.01em}
.mp-relay__maya small{font-size:13.5px;line-height:1.4;color:var(--muted)}
.mp-relay__inbox{margin-top:auto;padding-top:18px;width:100%}
.mp-relay__inbox .mp-kicker{margin-bottom:10px}
.mp-relay__chips{display:flex;gap:6px;min-height:30px}
.mp-q{display:grid;place-items:center;width:30px;height:30px;border:1.5px solid #b4531d;border-radius:50%;background:#fbf3ee;color:#b4531d;font:500 14px/1 "Neue Montreal",system-ui,sans-serif;font-style:normal}
.mp-relay__stages{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mp-relay__stages li{border:1.5px solid #000;border-radius:14px;background:#fff;padding:16px 16px 16px;display:flex;flex-direction:column;gap:10px}
.mp-relay__when{font:500 11px/1 "Neue Montreal",system-ui,sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.mp-relay__who{display:flex;align-items:center;gap:8px;font:500 15px/1.2 "Neue Montreal",system-ui,sans-serif}
.mp-relay__got{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.mp-relay__got svg{width:64px;height:auto;flex:0 0 64px}
.mp-relay__q{margin:auto 0 0;padding:10px 12px;border:1.5px solid #b4531d;border-radius:4px 12px 12px 12px;background:#fbf3ee;color:#7a3a14;font:400 14px/1.4 "Neue Montreal",system-ui,sans-serif}
/* The return path: drawn by JS from the measured cards (a stub down from each stage, one
   trunk back along the rail and up into the inbox). Riders travel it with offset-path. */
.mp-relay__row{padding-bottom:56px}
.mp-relay__rail{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.mp-relay__stub,.mp-relay__trunk{fill:none;stroke:rgba(0,0,0,.38);stroke-width:1.5;stroke-dasharray:5 6;stroke-linecap:round}
.mp-relay__tip{fill:none;stroke:#000;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.mp-relay__dot{position:absolute;left:0;top:0;width:16px;height:16px;border-radius:50%;background:#fbf3ee;border:1.5px solid #b4531d;opacity:0;offset-rotate:0deg;pointer-events:none}
.mp-relay__dot::after{content:"?";position:absolute;inset:0;display:grid;place-items:center;font:500 9.5px/1 "Neue Montreal",system-ui,sans-serif;color:#b4531d}
.mp-relay>figcaption:not(.mp-sr-only){padding:14px 28px 16px;border-top:1.5px solid #000;background:var(--cream);font:500 15px/1.4 "Neue Montreal",system-ui,sans-serif;text-align:left}
@media(prefers-reduced-motion:no-preference){
  .mp-relay .mp-relay__q,.mp-relay .mp-q{opacity:0;transform:translateY(4px)}
  .mp-relay.is-seen .mp-relay__q{animation:mp-arrive .5s var(--ease) calc(.4s + var(--i) * 1.6s) both}
  .mp-relay.is-seen .mp-q{animation:mp-arrive .4s var(--ease) calc(2.3s + var(--i) * 1.6s) both}
  @supports (offset-path:path("M0 0h1")){
    .mp-relay.is-seen .mp-relay__dot{animation:mp-back 1.5s cubic-bezier(.45,0,.3,1) calc(.9s + var(--i) * 1.6s) both}
  }
}
@keyframes mp-back{0%{opacity:0;offset-distance:0%}8%{opacity:1}92%{opacity:1}100%{opacity:0;offset-distance:100%}}

/* 2 THE SHIFT: the slices reassembled into one record. Every fact carries the colour of
   the slice it came from; the gap shows up with an owner; the margin stays private. */
.mp-record{max-width:1000px;margin:72px auto 0;background:var(--mp-card);border:1.5px solid #000;border-radius:16px;box-shadow:var(--mp-shadow);overflow:hidden}
.mp-record__head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;padding:20px 24px 16px;background:#eff8eb;border-bottom:1.5px solid #000}
.mp-record__head>div>b{display:block;margin-top:4px;font:500 24px/1.15 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.02em}
.mp-record__aliases{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:10px;font-size:12.5px;color:var(--muted)}
.mp-record__alias{display:inline-block;padding:3px 9px;border:1.5px solid #000;border-radius:999px;font:500 12px/1.2 "Neue Montreal",system-ui,sans-serif;font-style:normal;color:#000;white-space:nowrap}
.mp-record__alias--yellow{background:var(--yellow)}.mp-record__alias--green{background:var(--green-bg)}
.mp-record__readers{display:flex;align-items:center;flex-shrink:0}
.mp-record__readers .mp-avatar+.mp-avatar{margin-left:-7px}
.mp-record__readers small{margin-left:10px;font:500 11.5px/1.3 "Neue Montreal",system-ui,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:#2f5a1f}
.mp-record__rows{list-style:none;margin:0;padding:0}
.mp-record__rows li{display:grid;grid-template-columns:30% 1fr auto;align-items:center;gap:18px;padding:15px 24px;border-top:1px solid var(--line)}
.mp-record__rows li:first-child{border-top:0}
.mp-record__label{font-size:15px;line-height:1.35;color:var(--muted)}
.mp-record__value{display:flex;align-items:center;gap:8px;font:500 16px/1.3 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.01em}
.mp-record__src{display:inline-block;padding:4px 10px;border:1.5px solid #000;border-radius:999px;font:500 12px/1.2 "Neue Montreal",system-ui,sans-serif;white-space:nowrap;background:#fff}
.mp-record__src--yellow{background:var(--yellow)}.mp-record__src--pink{background:var(--pink)}.mp-record__src--green{background:var(--green-bg)}
.mp-record__src--open{background:#fbf3ee;border-color:#b4531d;color:#7a3a14;border-style:dashed}
.mp-record__src--lock{background:#f7f5ee;color:var(--muted);border-color:rgba(0,0,0,.4);padding-left:26px;position:relative}
.mp-record__src--lock::before{content:"";position:absolute;left:9px;top:50%;width:10px;height:10px;transform:translateY(-50%);background:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 20 20%27%3E%3Crect x=%273.5%27 y=%278.5%27 width=%2713%27 height=%279%27 rx=%272%27 fill=%27%23fff%27 stroke=%27%23000%27 stroke-width=%271.8%27/%3E%3Cpath d=%27M6.5 8.5V6a3.5 3.5 0 0 1 7 0v2.5%27 fill=%27none%27 stroke=%27%23000%27 stroke-width=%271.8%27/%3E%3C/svg%3E") center/contain no-repeat}
.mp-record__gap{background:#fbf3ee}
.mp-record__gap .mp-record__value{color:#b4531d}
.mp-record__private .mp-record__value{color:var(--muted)}
.mp-record__redacted{display:inline-block;padding:3px 12px;border:1.5px dashed rgba(0,0,0,.4);border-radius:999px;letter-spacing:.2em;color:var(--muted);font-weight:500}
.mp-q--sm{width:20px;height:20px;font-size:11px;flex:0 0 20px}
.mp-record figcaption{padding:14px 24px 16px;border-top:1.5px solid #000;background:var(--cream);font:500 15px/1.4 "Neue Montreal",system-ui,sans-serif;text-align:left}
@media(prefers-reduced-motion:no-preference){
  .mp-record .mp-record__src,.mp-record .mp-record__alias{opacity:0;transform:translateY(5px)}
  .mp-record.is-seen .mp-record__src{animation:mp-arrive .45s var(--ease) calc(.3s + var(--i) * .22s) both}
  .mp-record.is-seen .mp-record__alias{animation:mp-arrive .45s var(--ease) 1.7s both}
}
.mp-exchange{max-width:760px;margin:40px auto 0;background:var(--mp-card);border:1.5px solid #000;border-radius:16px;box-shadow:var(--mp-shadow);padding:22px 24px;display:flex;flex-direction:column;gap:18px}
.mp-exchange__q,.mp-exchange__a{display:flex;align-items:flex-start;gap:14px}
.mp-exchange b{display:block;font:500 12px/1.3 "Neue Montreal",system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:5px}
.mp-exchange__q p{margin:0;font:500 17px/1.4 "Neue Montreal",system-ui,sans-serif}
.mp-exchange__a>div{flex:1;background:var(--mp-tint);border:1px solid #c8d6f5;border-radius:4px 12px 12px 12px;padding:12px 16px 14px}
.mp-exchange__a p{margin:0;font-size:15.5px;line-height:1.5;color:#222}
.mp-exchange__a small{display:block;margin-top:8px;font-size:12px;color:#2a4a80;letter-spacing:.02em}

/* 3 THE ASSEMBLY LINE. Every step starts human; AI is placed on two of them; then the work runs. */
.mp-line{position:relative;max-width:1080px;margin:72px auto 0;padding:64px 28px 0;background:var(--mp-card);border:1.5px solid #000;border-radius:18px;box-shadow:var(--mp-shadow);overflow:hidden}
.mp-line ol{list-style:none;margin:0;padding:0 0 28px;display:grid;grid-template-columns:repeat(6,1fr);gap:14px;position:relative}
.mp-station{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:20px 8px 16px;border:1.5px solid rgba(0,0,0,.32);border-radius:12px;background:var(--mp-card);transition:border-color .5s var(--ease),background .6s var(--ease),box-shadow .5s var(--ease)}
.mp-station__num{position:absolute;top:-31px;left:50%;z-index:2;transform:translateX(-50%);padding:3px 9px;border:1.5px solid #000;border-radius:999px;background:var(--mp-card);font:500 10.5px/1.3 "Neue Montreal",system-ui,sans-serif;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;transition:background .45s var(--ease),color .45s var(--ease)}
.mp-station--ai{background:var(--mp-tint)}
.mp-station--ai .mp-station__num{background:var(--blue-light)}
.mp-station.is-lit{border-color:#000;box-shadow:var(--mp-shadow)}
.mp-station.is-lit .mp-station__num{background:#000;color:#fff}
.mp-owner{display:inline-flex;align-items:center;gap:7px;font:500 12px/1 "Neue Montreal",system-ui,sans-serif;letter-spacing:.05em;text-transform:uppercase;color:#333;margin-top:4px}
.mp-owner__chips{position:relative;width:26px;height:26px;flex:0 0 26px}
.mp-owner__chips .mp-avatar{position:absolute;inset:0;transition:opacity .4s var(--ease),transform .55s cubic-bezier(.34,1.4,.64,1)}
.mp-owner__label{position:relative;display:inline-grid;text-align:left}
.mp-owner__label>span{grid-area:1/1;transition:opacity .4s var(--ease)}
.mp-station--ai .mp-owner__human,.mp-station--ai .mp-owner__was{opacity:0}
.mp-station--ai .mp-owner__ai,.mp-station--ai .mp-owner__now{opacity:1}
.mp-station--ai .mp-owner__now{color:var(--blue-deep)}
/* Armed by JS before the sequence: the AI steps look human until AI is placed. */
.mp-line.is-armed .mp-station--ai:not(.is-ai){background:var(--mp-card)}
.mp-line.is-armed .mp-station--ai:not(.is-ai) .mp-station__num{background:var(--mp-card)}
.mp-line.is-armed .mp-station--ai:not(.is-ai) .mp-owner__human,.mp-line.is-armed .mp-station--ai:not(.is-ai) .mp-owner__was{opacity:1}
.mp-line.is-armed .mp-station--ai:not(.is-ai) .mp-owner__ai{opacity:0;transform:translateY(-22px) scale(.7)}
.mp-line.is-armed .mp-station--ai:not(.is-ai) .mp-owner__now{opacity:0}
.mp-station svg{width:100%;max-width:118px;height:auto;display:block;margin:4px 0}
.mp-station strong{font:500 15px/1.25 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.01em}
.mp-station small{font-size:12.5px;color:var(--muted);line-height:1.35}
.mp-line>figcaption:not(.mp-sr-only){margin:0 -28px;padding:14px 28px 16px;border-top:1.5px solid #000;background:var(--cream);font:500 15px/1.4 "Neue Montreal",system-ui,sans-serif;text-align:left}
/* The belt above the steps. The mark runs once AI has been placed. */
.mp-line__track{position:absolute;left:28px;right:28px;top:45.5px;z-index:1;height:1.5px;background:repeating-linear-gradient(to right,rgba(0,0,0,.28) 0 6px,transparent 6px 12px)}
.mp-line__track i{position:absolute;top:-6px;width:13px;height:13px;border-radius:50%;background:var(--blue);border:1.5px solid #000;left:var(--x0,8%);opacity:0}
.mp-line__track::before,.mp-line__track::after{content:"";position:absolute;top:-3px;width:7px;height:7px;border-radius:50%;background:#000}
.mp-line__track::before{left:-3px}.mp-line__track::after{right:-3px}
@media(prefers-reduced-motion:no-preference){
  .mp-line.is-run .mp-line__track i{opacity:1;animation:mp-belt 6.6s ease-in-out 1 forwards}
  .mp-line.is-run .mp-station svg{animation:mp-arrive .6s var(--ease) calc(.4s + var(--i) * 1.1s) 1 both}
}
@keyframes mp-belt{0%{left:-3px}6%,14.4%{left:var(--x0)}22.7%,31%{left:var(--x1)}39.4%,47.7%{left:var(--x2)}56.1%,64.4%{left:var(--x3)}72.7%,81%{left:var(--x4)}89.4%,100%{left:var(--x5)}}
@keyframes mp-arrive{from{transform:translateY(6px);opacity:.35}to{transform:translateY(0);opacity:1}}

/* 4 WHAT CHANGES: three cards, the on-brand document drawings up top */
.mp-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:64px}
.mp-card{background:var(--mp-card);border:1.5px solid #000;border-radius:16px;box-shadow:var(--mp-shadow);overflow:hidden;display:flex;flex-direction:column}
.mp-art{margin:0;background:#fff;border-bottom:1.5px solid #000;padding:14px 12px 6px}
.mp-art svg{display:block;width:100%;height:auto}
.mp-art text{font-family:"Neue Montreal",system-ui,sans-serif;font-weight:500}
.mp-card h3{margin:22px 24px 8px;font:500 24px/1.2 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.015em}
.mp-card p{margin:0 24px 26px;font-size:16px;line-height:1.55;color:var(--muted)}
@media(prefers-reduced-motion:no-preference){.mp-art.is-seen .mp-art-stamp{animation:mp-stamp .7s var(--ease) .3s 1 both}}
@keyframes mp-stamp{from{transform:translateY(-7px);opacity:.3}to{transform:none;opacity:1}}

/* 5 GROUND RULES */
.mp-rules{background:var(--mp-tint);border-top:1.5px solid #000;border-bottom:1.5px solid #000}
.mp-rules__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:64px}
.mp-rules__grid article{background:var(--mp-card);border:1.5px solid #000;border-radius:14px;box-shadow:var(--mp-shadow);overflow:hidden;display:flex;flex-direction:column}
.mp-rules__art{margin:0;background:#fff;border-bottom:1.5px solid #000;padding:16px 16px 10px}
.mp-rules__art svg{width:100%;height:auto;display:block}
.mp-rules__art text{font-family:"Neue Montreal",system-ui,sans-serif}
.mp-rules__body{padding:20px 22px 24px}
.mp-rules__grid article span{display:inline-grid;place-items:center;width:28px;height:28px;border:1.5px solid #000;border-radius:50%;background:var(--blue-light);font:500 11.5px/1 "Neue Montreal",system-ui,sans-serif;margin-bottom:14px}
.mp-rules__grid h3{margin:0 0 8px;font:500 19px/1.25 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.01em;text-wrap:balance}
.mp-rules__grid p{margin:0;font-size:14.5px;line-height:1.55;color:var(--muted)}

/* WHY IT HAPPENS: one customer record torn into three slices. The slices sit together as
   one card until seen, then pull apart; the row nobody holds appears last. */
.mp-kicker{display:block;font:500 12px/1.4 "Neue Montreal",system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.mp-torn{max-width:1000px;margin:72px auto 0;padding:28px 28px 24px;background:var(--mp-card);border:1.5px solid #000;border-radius:16px;box-shadow:var(--mp-shadow)}
.mp-torn__slices{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mp-torn__slice{background:#fff;border:1.5px solid #000;border-radius:12px;overflow:hidden;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.mp-torn__who{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1.5px solid #000}
.mp-torn__who .mp-avatar+.mp-avatar{margin-left:-14px}
.mp-torn__who b{font:500 14.5px/1.2 "Neue Montreal",system-ui,sans-serif;margin-left:2px}
.mp-torn__who small{margin-left:auto;font:500 10.5px/1.2 "Neue Montreal",system-ui,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:right}
.mp-torn__slice--yellow .mp-torn__who{background:var(--yellow)}.mp-torn__slice--pink .mp-torn__who{background:var(--pink)}.mp-torn__slice--green .mp-torn__who{background:var(--green-bg)}
.mp-torn__body{padding:14px 14px 12px}
.mp-torn__name{display:block;font:500 18px/1.2 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.015em;padding-bottom:10px;border-bottom:1px solid var(--line)}
.mp-torn__body ul{list-style:none;margin:0;padding:0}
.mp-torn__body li{display:flex;flex-direction:column;gap:2px;padding:9px 0;border-top:1px solid var(--line)}
.mp-torn__body li:first-child{border-top:0}
.mp-torn__body li span{font-size:12.5px;line-height:1.3;color:var(--muted)}
.mp-torn__body li b{font:500 14.5px/1.3 "Neue Montreal",system-ui,sans-serif}
.mp-torn__clash{color:#b4531d}
.mp-torn__missing{display:flex;align-items:center;gap:12px;margin-top:20px;padding:12px 16px;border:1.5px dashed #b4531d;border-radius:12px;background:#fbf3ee;transition:opacity .6s var(--ease) .9s,transform .6s var(--ease) .9s}
.mp-torn__missing b{font:500 15.5px/1.3 "Neue Montreal",system-ui,sans-serif;color:#7a3a14;text-wrap:balance}
.mp-torn__missing span{font-size:14px;line-height:1.4;color:#7a3a14;margin-left:auto;text-align:right}
@media(prefers-reduced-motion:no-preference){
  .mp-torn .mp-torn__slice--yellow{transform:translateX(21.5px)}
  .mp-torn .mp-torn__slice--green{transform:translateX(-21.5px)}
  .mp-torn .mp-torn__missing{opacity:0;transform:translateY(6px)}
  .mp-torn.is-seen .mp-torn__slice{transform:none}
  .mp-torn.is-seen .mp-torn__missing{opacity:1;transform:none}
}

/* OVER TIME: what leaves with a person, and what doesn't */
.mp-dayone{max-width:1080px;margin:72px auto 0;display:grid;grid-template-columns:1fr 1fr;background:var(--mp-card);border:1.5px solid #000;border-radius:18px;box-shadow:var(--mp-shadow);overflow:hidden;text-align:left}
.mp-dayone__half{position:relative;padding:28px 30px 30px;display:flex;flex-direction:column;gap:8px}
.mp-dayone__half--before{background:#fbf3ee}
.mp-dayone__half--after{background:#eff8eb;border-left:1.5px solid #000}
.mp-dayone__art{margin:20px 0 16px;display:flex;align-items:flex-start;justify-content:center}
.mp-dayone h3{margin:0;font:500 24px/1.15 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.02em}
.mp-dayone p{margin:0;font:400 15.5px/1.5 "Neue Montreal",system-ui,sans-serif;color:var(--muted);max-width:44ch}
.mp-handover{width:min(100%,400px);background:#fff;border:1.5px solid #000;border-radius:12px;box-shadow:var(--mp-shadow);overflow:hidden}
.mp-handover__bar{display:flex;align-items:center;gap:10px;padding:11px 14px;border-bottom:1.5px solid #000;background:var(--green-bg);font:500 14px/1.2 "Neue Montreal",system-ui,sans-serif}
.mp-handover__bar small{margin-left:auto;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:#2f5a1f}
.mp-handover__ai{display:flex;align-items:center;gap:9px;padding:12px 14px 4px;font:500 11.5px/1 "Neue Montreal",system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.mp-handover ul{list-style:none;margin:0;padding:6px 14px 14px;display:flex;flex-direction:column;gap:8px}
.mp-handover li{padding:10px 12px;border:1px solid #c8d6f5;border-radius:10px;background:var(--mp-tint);font-size:14px;line-height:1.4}
.mp-handover li b{font-weight:500}
.mp-handover li small{display:block;margin-top:3px;font-size:11.5px;color:#2a4a80}
/* The single-player twin: same first day, three questions with nowhere to look. */
.mp-handover--lost .mp-handover__bar{background:var(--salmon)}
.mp-handover--lost .mp-handover__bar small{color:#7a3a14}
.mp-handover--lost li{background:#fbf3ee;border:1.5px dashed #b4531d;color:#7a3a14}
.mp-handover--lost li .mp-q{float:left;margin:1px 8px 0 0}
.mp-handover--lost li small{color:#b4531d}
@media(prefers-reduced-motion:no-preference){
  .mp-dayone .mp-handover li{opacity:0;transform:translateY(6px)}
  .mp-dayone.is-seen .mp-handover li{animation:mp-arrive .5s var(--ease) calc(.5s + var(--i) * .35s) both}
  .mp-dayone.is-seen .mp-handover--lost li{animation-delay:calc(.3s + var(--i) * .35s)}
}

/* THINGS PEOPLE GET WRONG: four "you might think / actually" cards with a drawing each */
.mp-myths{background:var(--cream);border-top:1.5px solid #000}
.mp-myths__grid{max-width:1080px;margin:64px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mp-myth{display:grid;grid-template-columns:232px 1fr;background:var(--mp-card);border:1.5px solid #000;border-radius:16px;box-shadow:var(--mp-shadow);overflow:hidden}
.mp-myth__art{margin:0;background:#fff;border-right:1.5px solid #000;display:flex;align-items:center;padding:16px 12px}
.mp-myth__art svg{width:100%;height:auto;display:block}
.mp-myth__art text{font-family:"Neue Montreal",system-ui,sans-serif}
.mp-myth__body{padding:22px 24px 24px}
.mp-myth__k{display:inline-block;padding:4px 9px;border:1.5px solid #000;border-radius:999px;font:500 10.5px/1.3 "Neue Montreal",system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
.mp-myth__k--think{background:var(--salmon)}
.mp-myth__k--actually{background:var(--green-bg);margin-top:14px}
.mp-myth h3{margin:0;font:500 19px/1.3 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.015em;text-wrap:balance}
.mp-myth p{margin:0;font-size:15px;line-height:1.55;color:#333}

/* HOW TO START: three stops on a track */
.mp-start__steps{list-style:none;position:relative;max-width:1080px;margin:64px auto 0;padding:34px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mp-start__steps::before{content:"";position:absolute;left:16.66%;right:16.66%;top:8px;height:1.5px;background:repeating-linear-gradient(to right,rgba(0,0,0,.3) 0 6px,transparent 6px 12px)}
.mp-start__steps li{position:relative;background:var(--mp-card);border:1.5px solid #000;border-radius:16px;box-shadow:var(--mp-shadow);padding:0 0 26px;display:flex;flex-direction:column}
.mp-start__steps li::before{content:"";position:absolute;left:50%;top:-34px;width:14px;height:14px;margin-left:-7px;border-radius:50%;background:var(--blue);border:1.5px solid #000}
.mp-start__when{position:absolute;left:50%;top:-11px;transform:translateX(-50%);padding:3px 10px;border:1.5px solid #000;border-radius:999px;background:var(--blue-light);font:500 10.5px/1.3 "Neue Montreal",system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.mp-start__art{margin:0;background:#fff;border-bottom:1.5px solid #000;border-radius:16px 16px 0 0;padding:26px 24px 14px}
.mp-start__art svg{width:100%;max-width:240px;height:auto;display:block;margin:0 auto}
.mp-start__art text{font-family:"Neue Montreal",system-ui,sans-serif}
.mp-start__steps h3{margin:20px 26px 10px;font:500 21px/1.25 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.015em;text-wrap:balance}
.mp-start__steps p{margin:0 26px;font-size:15.5px;line-height:1.55;color:var(--muted)}
.mp-start__steps a{color:var(--blue);font-weight:500;text-decoration:none}
.mp-start__steps a:hover{text-decoration:underline;text-underline-offset:4px}

/* NEXT STEP: one route onward, to the Jumpstart. */
.mp-cta{background:var(--mp-tint);border-top:1.5px solid #000}
.mp-cta__art{width:min(100%,520px);margin:6px auto 0}
.mp-cta__art svg{display:block;width:100%;height:auto;overflow:visible}
.mp-cta__art text{font-family:"Neue Montreal",system-ui,sans-serif}
.mp-cta__tile{fill:var(--mp-tint);stroke:#000;transition:fill .6s var(--ease) .5s}
.mp-cta__chip,.mp-cta__cursor{transform-box:fill-box;transform-origin:center;transition:transform .7s cubic-bezier(.34,1.4,.64,1) .4s,opacity .4s var(--ease) .4s}
@media(prefers-reduced-motion:no-preference){
  .mp-cta__art:not(.is-seen) .mp-cta__tile{fill:#fff}
  .mp-cta__art:not(.is-seen) .mp-cta__chip{transform:translateY(-30px) scale(.7);opacity:0}
  .mp-cta__art:not(.is-seen) .mp-cta__cursor{transform:translate(26px,-30px);opacity:0}
  /* Once placed, the picture keeps a pulse: a mark rides the track and the chip breathes. */
  .mp-cta__art.is-seen .mp-cta__rider{animation:mp-cta-ride 7s cubic-bezier(.45,0,.55,1) 1.4s infinite}
  .mp-cta__art.is-seen .mp-cta__chip{animation:mp-breathe 4.5s ease-in-out 1.4s infinite}
  .mp-cta__art.is-seen .mp-cta__cursor{animation:mp-cta-nudge 7s ease-in-out 1.4s infinite}
}
.mp-cta__rider{opacity:0}
@keyframes mp-cta-ride{0%{transform:translateX(0);opacity:0}6%{opacity:1}80%{transform:translateX(414px);opacity:1}88%,100%{transform:translateX(414px);opacity:0}}
@keyframes mp-cta-nudge{0%,100%{transform:translate(0,0)}50%{transform:translate(-2px,2px)}}
.mp-cta__actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 22px;margin-top:8px}
.mp-cta__alt{font:500 15px/1.3 "Neue Montreal",system-ui,sans-serif;color:var(--blue);text-decoration:none}
.mp-cta__alt:hover{text-decoration:underline;text-underline-offset:4px}

/* COPY-THE-PROMPT CALLOUT: shown under the hero and again after How to start. */
.mp-prompt{width:100%;max-width:1080px;margin:28px auto 0;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;padding:18px 22px;background:var(--mp-tint);border:1.5px solid #000;border-radius:14px;box-shadow:var(--mp-shadow);text-align:left}
.mp-prompt--hero{max-width:none} /* matches the hero figure above it, which fills the container */
.mp-start .mp-prompt{margin-top:48px}
.mp-prompt__logos{display:flex;align-items:center}
.mp-prompt__logos i{display:grid;place-items:center;width:36px;height:36px;border:1.5px solid #000;border-radius:50%;background:#fff}
.mp-prompt__logos i+i{margin-left:-9px}
.mp-prompt__logos svg{width:18px;height:18px;display:block}
.mp-prompt__text b{display:block;font:500 17px/1.3 "Neue Montreal",system-ui,sans-serif;letter-spacing:-.01em;margin-bottom:4px}
.mp-prompt__text p{margin:0;font-size:14.5px;line-height:1.45;color:var(--muted);max-width:64ch}
.mp-prompt__actions{position:relative;display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.mp-copy{height:44px;padding:0 18px;font-size:15px}
.mp-copy.is-done{background:var(--green-bg);color:#000;border-color:#000}
.mp-prompt__text-src:not([hidden]){display:block;margin:6px 0 0;max-height:220px;overflow:auto;white-space:pre-wrap;font:400 12.5px/1.5 "Neue Montreal",system-ui,sans-serif;color:#222;background:#fff;border:1.5px solid #000;border-radius:10px;padding:10px 12px;width:min(560px,80vw);text-align:left}
.mp-prompt__status{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media(max-width:900px){
  .mp-prompt{grid-template-columns:1fr;gap:12px}
  .mp-prompt__actions{align-items:flex-start}
  .mp-start__steps{grid-template-columns:1fr;max-width:460px;margin-inline:auto}
}

/* Card grids rise into place once seen; only when JS is running, so nothing is ever hidden without it. */
@media(prefers-reduced-motion:no-preference){
  .mp-js [data-mp-reveal]>*{opacity:0;transform:translateY(12px)}
  .mp-js [data-mp-reveal].is-seen>*{animation:mp-rise .6s var(--ease) calc(var(--i,0) * .1s) both}
}
@keyframes mp-rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* RESPONSIVE */
@media(max-width:1100px){
  .mp-line ol{grid-template-columns:repeat(3,1fr);row-gap:44px}
  .mp-line__track{display:none}
  .mp-line{padding-top:34px}
  .mp-rules__grid{grid-template-columns:repeat(2,1fr)}
  .mp-rules__art svg{max-width:240px;margin:0 auto}
  .mp-relay__row{grid-template-columns:220px 1fr}
}
@media(max-width:900px){
  .mp-page .container{padding:0 24px}
  .mp-section{padding:80px 0}
  .mp-head--sub{margin-top:80px}
  .mp-hero{padding-top:120px}
  .mp-compare,.mp-dayone{grid-template-columns:1fr}
  .mp-dayone__half--after{border-left:0;border-top:1.5px solid #000}
  .mp-compare__half--team{border-left:0;border-top:1.5px solid #000}
  .mp-compare__tag{left:20px}
  .mp-relay__row{grid-template-columns:1fr;padding:20px 20px 0}
  .mp-relay__stages{grid-template-columns:1fr}
  .mp-relay__rail,.mp-relay__dot{display:none}
  .mp-relay__row{padding-bottom:20px}
  .mp-relay>figcaption:not(.mp-sr-only){padding:14px 20px 16px}
  .mp-cards{grid-template-columns:1fr;max-width:460px;margin-inline:auto}
  .mp-myths__grid{grid-template-columns:1fr;max-width:560px;margin-inline:auto}
  .mp-myth{grid-template-columns:1fr}
  .mp-myth__art{border-right:0;border-bottom:1.5px solid #000;padding:14px 20px}
  .mp-myth__art svg{max-width:240px;margin:0 auto}
  .mp-start__steps::before,.mp-start__steps li::before{display:none}
  .mp-start__steps{padding-top:0;row-gap:34px}
  .mp-relay,.mp-record,.mp-line,.mp-torn,.mp-dayone{margin-top:48px}
  .mp-torn{padding:18px 18px 16px}
  .mp-torn__slices{grid-template-columns:1fr;gap:14px}
  .mp-torn .mp-torn__slice{transform:none}
  .mp-torn__missing{flex-wrap:wrap}
  .mp-torn__missing span{margin-left:0;text-align:left;flex-basis:100%}
  .mp-record__head{flex-direction:column;align-items:flex-start;gap:14px;padding:16px 18px 14px}
  .mp-record__rows li{grid-template-columns:1fr;gap:6px;padding:12px 18px}
  .mp-record__src{justify-self:start}
  .mp-record figcaption{padding:12px 18px 14px}
  .mp-cta__actions{flex-direction:column}
  .mp-punch{font-size:20px}
}
@media(max-width:560px){
  .mp-line ol{grid-template-columns:repeat(2,1fr)}
  .mp-rules__grid{grid-template-columns:1fr}
  .mp-compare__half{padding:22px 20px 24px}
}