/* Attune visual systems
   Each explanatory section owns a distinct visual form. Payoff intentionally
   remains the only section that uses the route-chart grammar. */

/* 02 — the product interaction comes before the model */
.demo-first-section .listen-top{align-items:end;gap:42px;margin-bottom:22px}
.demo-first-section .listen-top>div:first-child{max-width:680px}
.demo-first-section .listen-top h2 em{color:#69a7ff;font-style:normal}
.listen-invitation{max-width:560px;padding:20px 22px;border-left:5px solid #6ba8f2;background:linear-gradient(135deg,rgba(17,55,111,.88),rgba(7,25,59,.92));box-shadow:0 15px 32px rgba(0,11,32,.2)}
.listen-invitation b,.listen-invitation p,.listen-invitation span{display:block}
.listen-invitation b{color:#fff;font-size:16px;font-weight:950;line-height:1.2}
.listen-invitation p{margin:8px 0 0;color:#d3e6ff;font-size:13px;font-weight:750;line-height:1.55}
.listen-invitation span{margin-top:10px;color:#79b3ff;font-size:9px;font-weight:950;letter-spacing:.12em;text-transform:uppercase}
.demo-quickstart{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px;margin:0 0 18px;overflow:hidden;border:2px solid #477ebc;border-radius:19px;background:#477ebc;box-shadow:0 18px 40px rgba(0,12,34,.22)}
.demo-quickstart article{display:flex;min-width:0;min-height:178px;flex-direction:column;padding:18px 19px;background:linear-gradient(145deg,#0c2855,#06162f);color:#fff}
.demo-quickstart article>span{color:#7fb7fb;font-size:9px;font-weight:950;letter-spacing:.13em;text-transform:uppercase}
.demo-quickstart article>b{margin-top:13px;font-size:17px;font-weight:950;line-height:1.15}
.demo-quickstart article>p{margin:7px 0 0;color:#bcd3ee;font-size:11px;font-weight:700;line-height:1.48}
.quick-reactions{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:15px}
.quick-reactions i{display:grid;place-items:center;height:36px;border:2px solid rgba(134,181,239,.38);border-radius:9px;background:rgba(255,255,255,.05);color:#a9c8eb;font-style:normal}
.quick-reactions i.active{border-color:#ff806b;background:#ef654e;color:#fff;box-shadow:0 7px 16px rgba(238,101,78,.26)}
.quick-reactions svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.quick-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px;min-height:36px;align-content:start}
.quick-chips i{padding:9px 10px;border:2px solid #ff9d88;border-radius:999px;background:rgba(239,101,78,.15);color:#ffd8d0;font-size:9px;font-style:normal;font-weight:950;line-height:1}
.quick-done{display:flex;align-items:center;justify-content:center;gap:10px;width:142px;height:38px;margin-top:15px;border-radius:10px;background:#fff;color:#07152d;font-size:11px;font-weight:950;text-transform:uppercase;box-shadow:0 9px 20px rgba(0,0,0,.18)}
.quick-done i{display:grid;place-items:center;width:21px;height:21px;border-radius:50%;background:#1269ef;color:#fff;font-style:normal}
.demo-instruction{display:flex;align-items:center;gap:16px;margin-top:15px;padding:15px 18px;border:2px solid #5e95d5;border-radius:14px;background:linear-gradient(135deg,#0e2d5d,#071a39);box-shadow:0 14px 28px rgba(0,10,31,.18)}
.demo-instruction b{flex:0 0 auto;color:#fff;font-size:12px;font-weight:950;letter-spacing:.08em;text-transform:uppercase}
.demo-instruction span{color:#c3d9f3;font-size:11px;font-weight:750;line-height:1.45}

/* 04 — instruction workbench */
.instruction-workbench{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(330px,.72fr);gap:18px;padding:18px;border:2px solid #9fc4f0;border-radius:28px;background:linear-gradient(145deg,#edf6ff,#fff 42%,#e8f3ff);box-shadow:0 30px 64px rgba(17,68,132,.14),inset 0 1px #fff}
.workbench-inputs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;min-width:0}
.workbench-piece{position:relative;display:flex;min-width:0;min-height:510px;flex-direction:column;padding:25px 21px 22px;border:2px solid #c2d9f4;border-radius:18px;background:linear-gradient(155deg,#fff,#f6faff);box-shadow:0 12px 27px rgba(20,72,137,.07),inset 0 1px #fff}
.workbench-piece:after{position:absolute;top:50%;right:-18px;z-index:2;width:22px;height:2px;background:#76a8e7;box-shadow:8px -4px 0 -1px #76a8e7;content:""}
.workbench-piece:last-child:after{width:26px;right:-24px;background:#1269ef;box-shadow:9px -4px 0 -1px #1269ef}
.piece-number{display:grid;place-items:center;width:30px;height:30px;margin-bottom:35px;border-radius:9px;background:#1269ef;color:#fff;font-size:11px;font-weight:950;letter-spacing:.06em}
.workbench-piece>small,.workbench-resolver>small,.resolver-outcomes small{display:block;color:#47739f;font-size:9px;font-weight:900;letter-spacing:.14em;line-height:1.3;text-transform:uppercase}
.workbench-piece>b{display:block;margin-top:9px;color:#08172e;font-size:clamp(1.35rem,1.8vw,2rem);font-weight:950;letter-spacing:-.02em;line-height:1.02}
.workbench-piece p{margin:26px 0 0;color:#526d89;font-size:12px;font-weight:700;line-height:1.55}
.piece-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.piece-chips b{padding:8px 9px;border:2px solid #ffb2a5;border-radius:999px;background:#fff3ef;color:#c84b38;font-size:9px;font-weight:950;letter-spacing:.055em;line-height:1.1}
.meaning-piece{background:linear-gradient(155deg,#fff,#fff7f4)}
.duration-piece{background:linear-gradient(155deg,#fff,#f1f7ff)}
.reaction-evidence{display:grid;grid-template-columns:60px minmax(0,1fr);gap:11px;align-items:center;margin-top:auto;padding:10px;border:2px solid #c7dcf5;border-radius:14px;background:#edf6ff;box-shadow:0 9px 20px rgba(21,70,131,.08)}
.reaction-evidence img{width:60px;height:60px;border-radius:9px;object-fit:cover;box-shadow:0 7px 14px rgba(6,27,55,.18)}
.reaction-evidence small,.piece-verdict small,.session-moment small,.duration-boundary small{display:block;color:#4d739d;font-size:8px;font-style:normal;font-weight:950;letter-spacing:.12em;line-height:1.25;text-transform:uppercase}
.reaction-evidence b{display:block;margin-top:4px;color:#08172e;font-size:13px;font-weight:950;line-height:1.15}
.reaction-evidence span{display:block;margin-top:3px;color:#5c728a;font-size:10px;font-weight:750;line-height:1.25}
.reaction-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-top:9px;padding:5px;border-radius:11px;background:#e7f0fa;color:#647c95;font-size:8px;font-weight:900;line-height:1;text-align:center;text-transform:uppercase}
.reaction-strip>*{padding:8px 2px;border-radius:7px}
.reaction-strip strong{background:#ef654e;color:#fff;box-shadow:0 5px 12px rgba(215,76,53,.25)}
.piece-verdict{display:grid;grid-template-columns:1fr auto;gap:4px 8px;align-items:end;margin-top:9px;padding-top:10px;border-top:2px solid #d3e4f6}
.piece-verdict small{grid-column:1/-1}.piece-verdict b{color:#163d6b;font-size:11px;font-weight:950;line-height:1.2}.piece-verdict span{color:#71859c;font-size:9px;font-weight:800;text-align:right}
.meaning-isolator{display:grid;gap:7px;margin-top:auto;padding-top:18px}
.meaning-row{display:grid;grid-template-columns:49px minmax(0,1fr) auto;gap:7px;align-items:center;padding:10px 9px;border:2px solid #d2e1f2;border-radius:11px;background:#fff;color:#102b4c}
.meaning-row span{font-size:8px;font-weight:950;letter-spacing:.08em;text-transform:uppercase}.meaning-row b{font-size:10px;font-weight:900;line-height:1.2}.meaning-row i{padding:5px 6px;border-radius:999px;font-size:7px;font-style:normal;font-weight:950;letter-spacing:.08em;text-transform:uppercase}
.meaning-row.changes{border-color:#ffb4a8;background:#fff4f1}.meaning-row.changes i{background:#ef654e;color:#fff}.meaning-row.preserves{border-color:#b9d7f7;background:#f2f8ff}.meaning-row.preserves i{background:#dcecff;color:#1859a8}
.session-window{position:relative;display:grid;gap:0;margin-top:auto;padding:18px 12px 10px 24px;border:2px solid #bfd9f5;border-radius:15px;background:linear-gradient(180deg,#fff,#eef6ff)}
.session-window:before{position:absolute;top:25px;bottom:28px;left:12px;width:3px;border-radius:999px;background:linear-gradient(#1269ef 0 58%,#a9c7e7 58%);content:""}
.session-moment{position:relative;padding:0 0 15px 8px}.session-moment:before{position:absolute;top:2px;left:-18px;width:9px;height:9px;border:3px solid #8db6e7;border-radius:50%;background:#fff;content:""}.session-moment.active:before{border-color:#1269ef;background:#1269ef;box-shadow:0 0 0 4px #dbeaff}.session-moment.expires:before{border-color:#7189a6}
.session-moment b{display:block;margin-top:4px;color:#0a2443;font-size:12px;font-weight:950;line-height:1.15}.session-moment span{display:block;margin-top:3px;color:#5d7590;font-size:9px;font-weight:750;line-height:1.25}
.duration-boundary{margin-top:9px;padding:10px 11px;border:2px solid #b9d6f5;border-radius:11px;background:#eaf4ff}.duration-boundary b{display:block;margin-top:5px;color:#174b87;font-size:10px;font-weight:950;line-height:1.3}
.workbench-resolver{position:relative;overflow:hidden;padding:34px 30px;border:2px solid #1d5ba8;border-radius:21px;background:radial-gradient(circle at 88% 8%,rgba(56,132,238,.3),transparent 33%),linear-gradient(155deg,#071d42,#031129);color:#fff;box-shadow:0 22px 44px rgba(4,29,68,.28),inset 0 1px rgba(255,255,255,.12)}
.workbench-resolver:after{position:absolute;right:-58px;bottom:-72px;width:210px;height:210px;border:2px solid rgba(91,155,239,.24);border-radius:50%;box-shadow:0 0 0 24px rgba(91,155,239,.07),0 0 0 58px rgba(91,155,239,.05);content:""}
.resolver-seal{position:absolute;top:24px;right:24px;display:grid;place-items:center;width:72px;height:72px;border:2px solid #5ea1fa;border-radius:50%;transform:rotate(8deg)}
.resolver-seal span{font-size:7px;font-weight:900;letter-spacing:.16em}
.resolver-seal b{font-size:9px;letter-spacing:.08em}
.workbench-resolver>small{color:#81b7f6}
.workbench-resolver h3{max-width:260px;margin:45px 0 12px;color:#fff;font-size:clamp(2.1rem,3vw,3.2rem);font-weight:950;letter-spacing:-.025em;line-height:.98}
.workbench-resolver>p{max-width:330px;margin:0;color:#bed5ef;font-size:13px;font-weight:700;line-height:1.55}
.resolver-outcomes{position:relative;z-index:1;display:grid;gap:9px;margin-top:32px}
.resolver-outcomes>div{padding:14px 15px;border:2px solid rgba(139,189,250,.3);border-radius:12px;background:rgba(255,255,255,.07)}
.resolver-outcomes .change{border-color:#ff806b;background:rgba(240,98,76,.13)}
.resolver-outcomes small{color:#91bce9}
.resolver-outcomes b{display:block;margin-top:5px;color:#fff;font-size:12px;font-weight:950;letter-spacing:.04em;line-height:1.3}

/* 03 — evidence dossiers, not mini charts */
.platform-dossier{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:13px;margin-top:22px}
.dossier-control,.dossier-gap,.dossier-translation{min-width:0;border:2px solid #c8dcf4;border-radius:15px;background:#fff}
.dossier-control{padding:17px 16px;background:linear-gradient(145deg,#eef7ff,#fff)}
.dossier-control small,.dossier-gap small,.dossier-translation small,.translation-label{display:block;color:#47739f;font-size:9px;font-weight:900;letter-spacing:.13em;line-height:1.3;text-transform:uppercase}
.dossier-control b{display:block;margin-top:14px;color:#0b3262;font-size:19px;font-weight:950;letter-spacing:-.01em;line-height:1.05}
.dossier-control span{display:block;margin-top:10px;color:#4e6987;font-size:12px;font-weight:750;line-height:1.45}
.dossier-gap{position:relative;padding:17px 17px 20px;background:#fffaf4;box-shadow:inset 5px 0 #f0a65b}
.dossier-gap blockquote{margin:18px 0 0;color:#273d5b;font-size:15px;font-weight:800;line-height:1.48}
.dossier-translation{grid-column:1/-1;display:grid;grid-template-columns:minmax(170px,.82fr) minmax(190px,1fr);gap:13px 20px;padding:18px;border-color:#5b9ded;background:radial-gradient(circle at 100% 0,rgba(43,121,232,.2),transparent 32%),linear-gradient(145deg,#071d41,#092a58);color:#fff;box-shadow:0 13px 28px rgba(13,61,120,.16)}
.translation-label{grid-column:1/-1;color:#8ebfff}
.dossier-translation>div b{display:block;margin-top:6px;color:#fff;font-size:13px;font-weight:950;line-height:1.3;text-transform:uppercase}
.dossier-translation>strong{align-self:end;color:#fff;font-size:clamp(1.3rem,2vw,2rem);font-weight:950;letter-spacing:-.015em;line-height:1.03;text-transform:uppercase}
.dossier-translation p{grid-column:1/-1;margin:2px 0 0;padding-top:12px;border-top:2px solid rgba(135,181,239,.25);color:#c0d5ee;font-size:11px;font-weight:700;line-height:1.45}
.dossier-translation p span{display:inline-block;margin-right:8px;color:#72d9b0;font-size:9px;font-weight:950;letter-spacing:.12em;text-transform:uppercase}

/* Legacy behavior classes below remain inert; the current 03 owner is the
   concrete music-feedback surface that follows this block. */
.signals .signal-tile-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;align-items:stretch}
.signal-mode-button{position:relative;min-width:0;padding:17px;border:2px solid #bfd8f5;border-radius:18px;background:linear-gradient(145deg,#fff,#f4f9ff);color:#0a1a31;font:inherit;text-align:left;cursor:pointer;box-shadow:0 12px 27px rgba(21,72,134,.07),inset 0 1px #fff;transition:transform .22s cubic-bezier(.2,.8,.2,1),border-color .22s cubic-bezier(.2,.8,.2,1),box-shadow .22s cubic-bezier(.2,.8,.2,1)}
.signal-mode-button:hover{transform:translateY(-4px);box-shadow:0 20px 38px rgba(21,72,134,.12),inset 0 1px #fff}
.signal-mode-button[aria-pressed="true"]{border-color:#1269ef;box-shadow:0 0 0 4px rgba(18,105,239,.1),0 20px 38px rgba(21,72,134,.12)}
.signal-mode-button:focus-visible{outline:4px solid rgba(18,105,239,.3);outline-offset:3px}
.signal-mode-head{display:flex;align-items:center;gap:10px}
.signal-mode-head>i{display:grid;flex:0 0 38px;place-items:center;width:38px;height:38px;border:2px solid #b9d5f6;border-radius:12px;background:#eef6ff;color:#1269ef}
.signal-mode-head svg{display:block;width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.signal-mode-head b,.signal-mode-head small{display:block}
.signal-mode-head b{font-size:13px;font-weight:950;letter-spacing:.055em}
.signal-mode-head small{margin-top:3px;color:#607994;font-size:9px;font-weight:850;letter-spacing:.04em}
.signal-mode-caption{display:block;min-height:56px;margin-top:15px;color:#49647f;font-size:11px;font-weight:750;line-height:1.48}
.signal-scene{position:relative;min-height:166px;margin-top:15px;overflow:hidden;border:2px solid #c9dcf2;border-radius:14px;background:#edf6ff}
.scene-love{display:grid;grid-template-columns:.72fr 1fr;gap:8px;padding:13px;background:radial-gradient(circle at 20% 20%,rgba(235,73,109,.22),transparent 35%),linear-gradient(145deg,#170e2f,#06142f);color:#fff}
.scene-origin{position:relative;align-self:center}
.scene-origin img{display:block;width:100%;border:2px solid rgba(255,255,255,.34);border-radius:8px}
.scene-origin span{position:absolute;right:5px;bottom:5px;left:5px;padding:5px;border-radius:5px;background:rgba(5,16,40,.84);font-size:7px;font-weight:950;text-align:center}
.scene-fan{display:grid;grid-template-columns:repeat(3,1fr);align-items:center;gap:4px}
.scene-fan img{display:block;width:100%;border-radius:5px;box-shadow:0 8px 16px rgba(0,0,0,.24)}
.scene-fan img:nth-child(1){transform:translateY(-16px) rotate(-4deg)}.scene-fan img:nth-child(2){transform:translateY(1px)}.scene-fan img:nth-child(3){transform:translateY(16px) rotate(4deg)}
.scene-love>b{position:absolute;right:11px;bottom:10px;color:#d6e7fa;font-size:8px;font-weight:900;line-height:1.35;text-align:right;text-transform:uppercase}
.scene-like{padding:15px;background:linear-gradient(145deg,#f4f9ff,#dfeeff)}
.rotation-label{color:#4d74a0;font-size:8px;font-weight:950;letter-spacing:.13em}
.rotation-item{display:grid;grid-template-columns:56px 1fr 10px;gap:11px;align-items:center;margin-top:17px;padding:11px;border:2px solid #8bb7ed;border-radius:12px;background:#fff;box-shadow:0 10px 20px rgba(22,73,134,.1)}
.rotation-item img{display:block;width:56px;border-radius:7px}.rotation-item b,.rotation-item small{display:block}.rotation-item b{font-size:10px}.rotation-item small{margin-top:4px;color:#507199;font-size:8px;font-weight:800}.rotation-item>i{width:8px;height:8px;border-radius:50%;background:#1269ef;box-shadow:0 0 0 5px rgba(18,105,239,.12)}
.rotation-slots{display:flex;gap:7px;margin-top:15px}.rotation-slots span{height:6px;flex:1;border-radius:5px;background:#b9cee8}.rotation-slots .active{flex:1.8;background:#1269ef}
.scene-dis{display:grid;align-content:center;gap:11px;padding:14px;background:linear-gradient(145deg,#fff9f5,#eaf4ff)}
.mix-row{display:grid;grid-template-columns:48px 1fr 44px;gap:7px;align-items:center}.mix-row>b,.mix-row small{font-size:8px;font-weight:950;letter-spacing:.06em}.mix-row small{text-align:right;color:#4b78a8}.mix-row>span{position:relative;height:6px;border-radius:6px;background:#c5d8ed}.mix-row>span i{position:absolute;top:-4px;left:72%;width:14px;height:14px;border:3px solid #fff;border-radius:50%;background:#1269ef;box-shadow:0 0 0 2px #8ab5ea}.mix-row.changed>span{background:linear-gradient(90deg,#f0644e 48%,#c5d8ed 48%)}.mix-row.changed>span i{left:42%;background:#f0644e}.mix-row.changed small{color:#c94b38}.mix-note{padding-top:9px;border-top:2px solid #d2e2f5;color:#465f7b;font-size:8px;font-weight:850;text-align:center}
.scene-never{display:grid;grid-template-columns:1fr 32px 1fr;gap:8px;align-items:center;padding:13px;background:linear-gradient(145deg,#eef5ff,#fff)}
.boundary-target,.boundary-neighbors{padding:11px;border:2px solid #bcd3ef;border-radius:10px;background:#fff}.boundary-target small,.boundary-target b,.boundary-target span,.boundary-neighbors small{display:block}.boundary-target small{color:#607b9a;font-size:7px;font-weight:900}.boundary-target b{margin-top:12px;font-size:9px}.boundary-target span{margin-top:5px;color:#d24b45;font-size:8px;font-weight:950}.boundary-mark{display:grid;place-items:center;width:30px;height:48px;border-radius:10px;background:#07152d;color:#fff;font-size:25px;font-weight:700}.boundary-neighbors span{display:block;margin:4px 0;padding:5px;border-radius:5px;background:#eaf4ff;color:#315f95;font-size:7px;font-weight:900}.boundary-neighbors small{margin-top:8px;color:#238059;font-size:6px;font-weight:950;text-align:center}
.behavior-stage{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:30px;align-items:stretch;min-height:470px;padding:30px;border:2px solid #a8caf2;border-radius:22px 22px 0 0;background:linear-gradient(145deg,#fff,#edf6ff);box-shadow:0 22px 46px rgba(20,69,128,.1)}
.behavior-copy{display:flex;flex-direction:column;padding:14px 5px 8px}.behavior-copy>small{color:#1269ef;font-size:10px;font-weight:950;letter-spacing:.12em;line-height:1.4}.behavior-copy h3{max-width:410px;margin:22px 0 14px;color:#08172e;font-size:clamp(2.35rem,3.2vw,4rem);font-weight:950;letter-spacing:-.02em;line-height:.98}.behavior-copy>p{max-width:440px;margin:0;color:#4b6683;font-size:14px;font-weight:700;line-height:1.65}.behavior-preserved{margin-top:auto;padding:16px 17px;border-left:5px solid #4a91e8;background:#eaf4ff}.behavior-preserved span,.behavior-preserved b{display:block}.behavior-preserved span{color:#4880bc;font-size:8px;font-weight:950;letter-spacing:.14em;text-transform:uppercase}.behavior-preserved b{margin-top:5px;color:#173e6c;font-size:11px;font-weight:900;line-height:1.4}
.discovery-fan{position:relative;display:grid;grid-template-columns:.72fr 1.28fr;gap:18px;align-items:center;overflow:hidden;padding:28px;border:2px solid #453c77;border-radius:18px;background:radial-gradient(circle at 70% 30%,rgba(222,67,112,.25),transparent 35%),linear-gradient(145deg,#110b29,#05142e)}
.fan-origin{position:relative;z-index:2;margin:0}.fan-origin img{display:block;width:100%;border:3px solid #fff;border-radius:12px;box-shadow:0 22px 40px rgba(0,0,0,.35)}.fan-origin figcaption,.fan-related figcaption{margin-top:9px;color:#d9e7f8;font-size:9px;font-weight:900;text-align:center}.fan-related{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.fan-related figure{margin:0;transform:translateY(calc((var(--fan) - 1) * 26px)) rotate(calc((var(--fan) - 1) * 4deg))}.fan-related img{display:block;width:100%;border:2px solid rgba(255,255,255,.45);border-radius:9px;box-shadow:0 18px 28px rgba(0,0,0,.28)}
.rotation-shelf{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:13px;align-items:end;padding:74px 28px 28px;border:2px solid #9ec4ef;border-radius:18px;background:linear-gradient(180deg,#eaf4ff,#fff)}
.rotation-shelf:after{position:absolute;right:23px;bottom:20px;left:23px;height:13px;border-radius:3px;background:#0b2f5d;box-shadow:0 12px 25px rgba(10,47,93,.22);content:""}
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.signal-behavior-lab{margin-top:18px}
.behavior-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));overflow:hidden;border:2px solid #a8caf2;border-top:0;border-radius:0 0 18px 18px;background:#b8d2ef}
.behavior-facts article{min-width:0;min-height:118px;padding:19px 18px;background:#fff}
.behavior-facts article+article{border-left:2px solid #c5daf3}
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/* 03 — four reactions demonstrated through actual listening moments */
.signals{background:radial-gradient(circle at 18% 18%,rgba(43,105,222,.28),transparent 28%),radial-gradient(circle at 82% 8%,rgba(236,75,113,.18),transparent 28%),linear-gradient(155deg,#06142f,#020916 74%);color:#fff}
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.signal-demo-head svg,.feedback-reactions svg{display:block;width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
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.mini-next small{color:#6da9f7;letter-spacing:.08em;text-transform:uppercase}
.mini-feedback{display:flex;flex-wrap:wrap;gap:5px;align-content:center;justify-content:flex-end;min-width:0}
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.mini-feedback strong{background:#1269ef;color:#fff}.signal-demo-card.love .mini-feedback strong{background:#df4f70}.signal-demo-card.dis .mini-feedback strong{background:#ef654e}.signal-demo-card.never .mini-feedback strong{background:#13243c}
.mini-feedback em{border:2px solid rgba(142,186,240,.3);background:rgba(255,255,255,.06);color:#c7daf0;text-transform:none}
.signal-voice,.signal-demo-caption{display:block}.signal-voice{min-height:40px;margin-top:13px;color:#fff;font-size:13px;font-weight:950;line-height:1.3}.signal-demo-caption{min-height:50px;margin-top:7px;color:#a9c1dd;font-size:10px;font-weight:700;line-height:1.45}
.reaction-walkthrough{display:grid;grid-template-columns:minmax(250px,.52fr) minmax(0,1.48fr);gap:20px;margin-top:18px;padding:23px;border:2px solid #4f86c8;border-radius:22px 22px 0 0;background:radial-gradient(circle at 88% 8%,rgba(52,118,224,.2),transparent 32%),linear-gradient(145deg,#071d42,#031129);box-shadow:0 25px 52px rgba(0,5,20,.35),inset 0 1px rgba(255,255,255,.08)}
.walkthrough-copy{display:flex;flex-direction:column;padding:8px 4px}.walkthrough-copy>small{color:#75adf5;font-size:9px;font-weight:950;letter-spacing:.13em;text-transform:uppercase}.walkthrough-copy h3{margin:20px 0 13px;color:#fff;font-size:clamp(2rem,3vw,3.55rem);font-weight:950;letter-spacing:-.015em;line-height:.98}.walkthrough-copy>p{margin:0;color:#bdd3ed;font-size:13px;font-weight:700;line-height:1.6}.walkthrough-preserved{margin-top:auto;padding:15px 16px;border-left:5px solid #62a2f4;background:rgba(34,87,157,.25)}.walkthrough-preserved span,.walkthrough-preserved b{display:block}.walkthrough-preserved span{color:#7eb5f8;font-size:8px;font-weight:950;letter-spacing:.13em;text-transform:uppercase}.walkthrough-preserved b{margin-top:6px;color:#e3effd;font-size:10px;font-weight:900;line-height:1.45}
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.signals .lab-mount{transition:opacity .16s cubic-bezier(.2,.8,.2,1),transform .16s cubic-bezier(.2,.8,.2,1)}.signals .lab-mount.is-switching{opacity:.14;transform:translateY(7px)}

/* 06 — contrast unresolved guesses with structured memory */
.ambiguity-stack{position:relative;min-height:250px;margin:0 28px 26px;overflow:hidden;border:2px solid #efc6bd;border-radius:16px;background:radial-gradient(circle at 80% 25%,rgba(242,111,82,.12),transparent 28%),linear-gradient(145deg,#fffaf7,#fff)}
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.ambiguity-stack>b{position:absolute;right:45px;top:70px;color:#ef6a51;font-size:96px;font-weight:950;line-height:1;opacity:.32}

/* 07 — listening journal, not another graph */
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.journal-pages{padding:17px;background:linear-gradient(145deg,#f9fcff,#eaf4ff)}
.history-chapter{display:grid;grid-template-columns:160px 1fr;gap:14px;padding:14px;border:2px solid #c4dbf4;border-radius:16px;background:#fff;box-shadow:0 10px 23px rgba(24,74,134,.06)}
.history-chapter+.history-chapter{margin-top:13px}
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.history-carry-forward{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:#b8d2ef;border-top:2px solid #9ebfe8}.history-carry-forward article{min-height:126px;padding:23px;background:#fff}.history-carry-forward small,.history-carry-forward b,.history-carry-forward span{display:block}.history-carry-forward small{color:#1269ef;font-size:8px;font-weight:950;letter-spacing:.13em;text-transform:uppercase}.history-carry-forward b{margin-top:10px;color:#112d51;font-size:12px;font-weight:950;line-height:1.3}.history-carry-forward span{margin-top:8px;color:#58718e;font-size:10px;font-weight:700;line-height:1.45}

/* 08 — a curator's brief connects taste to discovery */
.discovery-brief{position:relative;min-width:0;padding:27px 24px;border:2px solid #8bb8ef;border-radius:4px 18px 18px 18px;background:linear-gradient(155deg,#fffdf7,#f1f7ff);color:#102d52;box-shadow:0 22px 44px rgba(0,16,45,.24),inset 0 1px #fff;transform:rotate(-.55deg)}
.brief-tab{position:absolute;top:-2px;left:-2px;padding:9px 13px;border-radius:4px 0 10px 0;background:#1269ef;color:#fff;font-size:8px;font-weight:950;letter-spacing:.12em}
.discovery-brief>small{display:block;margin:30px 0 15px;color:#53779e;font-size:9px;font-weight:950;letter-spacing:.13em;text-transform:uppercase}.brief-observations{display:grid;gap:7px}.brief-observations span{display:grid;grid-template-columns:64px 1fr;gap:9px;padding:9px 10px;border-bottom:2px solid #dce9f7}.brief-observations i{color:#1269ef;font-size:8px;font-style:normal;font-weight:950;letter-spacing:.08em}.brief-observations b{font-size:10px;font-weight:850;line-height:1.35}.brief-rule{margin-top:20px;padding:17px;border-left:5px solid #e55673;background:#fff}.brief-rule small,.brief-protection span{display:block;color:#5d7a99;font-size:8px;font-weight:950;letter-spacing:.12em;text-transform:uppercase}.brief-rule b{display:block;margin-top:9px;color:#102d52;font-size:16px;font-weight:950;line-height:1.25}.brief-protection{margin-top:16px;padding-top:14px;border-top:2px dashed #a8c9ed}.brief-protection span{color:#26805b}.brief-protection b{display:block;margin-top:5px;color:#3d5a7b;font-size:10px;font-weight:850;line-height:1.4}

/* 10 — diagnosis artifact replaces the last stray route chart */
.diagnosis-finding{position:absolute;z-index:2;top:190px;left:27px;width:53%;padding:20px 21px;border:2px solid #aac8e9;border-radius:3px;background:linear-gradient(155deg,#fffdf7,#f5faff);box-shadow:0 14px 30px rgba(26,66,115,.13);transform:rotate(-1deg)}
.diagnosis-finding>span{color:#1269ef;font-size:8px;font-weight:950;letter-spacing:.13em}.diagnosis-finding>b{display:block;margin-top:13px;color:#0b2446;font-size:18px;font-weight:950;letter-spacing:-.01em;line-height:1.18}.diagnosis-finding>p{position:static;margin:13px 0 0;color:#506a87;font:750 10px/1.55 "Avenir Next","Plus Jakarta Sans",sans-serif;transform:none}.diagnosis-finding>div{margin-top:15px;padding-top:12px;border-top:2px solid #d4e3f4}.diagnosis-finding small,.diagnosis-finding strong{display:block}.diagnosis-finding small{color:#6c86a3;font-size:8px;font-weight:950;letter-spacing:.12em;text-transform:uppercase}.diagnosis-finding strong{margin-top:6px;color:#d05543;font-size:9px;font-weight:950;line-height:1.4}

@media(prefers-reduced-motion:no-preference){
  .signal-chain.is-animating .workbench-piece{animation:workbench-in .28s cubic-bezier(.2,.8,.2,1) both}.signal-chain.is-animating .meaning-piece{animation-delay:.12s}.signal-chain.is-animating .duration-piece{animation-delay:.24s}.signal-chain.is-animating .workbench-resolver{animation:resolver-in .34s cubic-bezier(.2,.8,.2,1) .38s both}
  .signal-demo-card.is-playing .mini-listen{animation:scene-confirm .36s cubic-bezier(.2,.8,.2,1) both}
  .lab-mount.is-playing .reaction-walkthrough{animation:behavior-in .36s cubic-bezier(.2,.8,.2,1) both}
  @keyframes workbench-in{from{opacity:.15;transform:translateY(13px)}to{opacity:1;transform:none}}
  @keyframes resolver-in{from{opacity:.1;transform:translateX(16px)}to{opacity:1;transform:none}}
  @keyframes scene-confirm{0%{opacity:.45;transform:scale(.975)}100%{opacity:1;transform:none}}
  @keyframes behavior-in{from{opacity:.12;transform:translateY(12px)}to{opacity:1;transform:none}}
}

@media(max-width:1180px){
  .instruction-workbench{grid-template-columns:1fr}.workbench-piece:last-child:after{display:none}.workbench-resolver{min-height:360px}
  .signals .signal-tile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.signal-demo-caption{min-height:42px}
  .reaction-walkthrough{grid-template-columns:1fr}.walkthrough-copy{min-height:250px}.walkthrough-preserved{margin-top:28px}
  .history-journal{grid-template-columns:1fr}.journal-cover{min-height:360px}.journal-cover>b{max-width:700px}.journal-cover>p{max-width:620px}.history-carry-forward{grid-column:auto}
  .diagnosis-finding{width:59%}
}
@media(max-width:900px){
  .demo-first-section .listen-top{align-items:start;flex-direction:column}.listen-invitation{max-width:none}.demo-quickstart{grid-template-columns:1fr}.demo-quickstart article{min-height:0}.demo-instruction{align-items:flex-start;flex-direction:column;gap:7px}
  .workbench-inputs{grid-template-columns:1fr}.workbench-piece{min-height:0}.workbench-piece:after{display:none}.piece-number{margin-bottom:20px}.workbench-piece p{margin-top:16px}
  .platform-dossier{grid-template-columns:1fr}.dossier-translation{grid-column:auto}.dossier-translation{grid-template-columns:1fr}.translation-label,.dossier-translation p{grid-column:auto}
  .reaction-walkthrough{padding:18px}.feedback-demo{grid-template-columns:1fr}.feedback-current,.feedback-next{display:grid;grid-template-columns:100px 1fr;gap:0 13px;align-items:center}.feedback-current>small,.feedback-next>small{grid-column:1/-1}.feedback-current>img,.feedback-next>img{grid-row:2/span 3;width:100px}.feedback-current>div,.feedback-next>div{align-self:end}.feedback-progress,.feedback-next>strong,.feedback-next>p{grid-column:2}.walkthrough-proof{margin:0 -18px -18px}.discovery-fan,.boundary-stage{grid-template-columns:1fr}.fan-origin{max-width:240px;margin:auto}.hard-stop{grid-template-columns:1fr 42px 1fr}.hard-stop i{width:100%;height:5px}.hard-stop b{margin:0}.hard-stop small{margin:0}.open-neighborhood{max-width:520px;margin:auto}
  .console-control{grid-template-columns:110px 1fr 60px}
  .history-chapter{grid-template-columns:1fr}.history-chapter>header{border-right:0;border-bottom:2px solid #d5e6f8}.history-chapter>header b{margin-top:8px}.history-carry-forward{grid-template-columns:repeat(2,1fr)}
  .diagnosis-finding{position:relative;top:auto;left:auto;width:auto;margin-top:18px}.diagnosis-photo{z-index:1}
}
@media(max-width:680px){
  .instruction-workbench{padding:9px;border-radius:20px}.workbench-resolver{min-height:380px;padding:28px 22px}.resolver-seal{width:60px;height:60px}.workbench-resolver h3{margin-top:72px}
  .signals .signal-tile-grid{grid-template-columns:1fr}.signal-demo-card{padding:14px}.signal-demo-caption,.signal-voice{min-height:0}.walkthrough-copy{min-height:0}.walkthrough-copy h3{font-size:2.35rem}.feedback-current,.feedback-next{grid-template-columns:82px 1fr}.feedback-current>img,.feedback-next>img{width:82px}.walkthrough-proof{grid-template-columns:1fr}.walkthrough-proof article+article{border-top:2px solid #c5daf3}.discovery-fan{padding:18px}.fan-related{gap:5px}.rotation-shelf{grid-template-columns:1fr;padding-top:76px}.rotation-shelf figure{display:grid;grid-template-columns:90px 1fr;gap:10px;align-items:center}.rotation-shelf figure.now{transform:none}.rotation-shelf img{width:90px}.rotation-shelf:after{display:none}
  .console-control{grid-template-columns:1fr}.console-control>strong{text-align:left}.console-output{flex-direction:column}
  .history-chapter-events,.history-chapter.evening .history-chapter-events{grid-template-columns:1fr}.history-journal .day-event{grid-template-columns:86px 1fr}.history-journal .day-event img{width:86px}.history-carry-forward{grid-template-columns:1fr}
  .discovery-brief{padding:24px 18px}.brief-observations span{grid-template-columns:1fr}.diagnosis-finding>b{font-size:16px}
}
@media(prefers-reduced-motion:reduce){.signal-chain .workbench-piece,.signal-chain .workbench-resolver,.signal-demo-card .mini-listen,.lab-mount .reaction-walkthrough{animation:none!important;opacity:1!important;transform:none!important}}