:root {
  --coal:#111214; --coal-2:#17191c; --glass:#1d2024; --plaster:#f0e4cb;
  --paper:#fff8e8; --ink:#f5efe4; --muted:#aaa8a2;
  --line:rgba(240,228,203,.18); --red:#d9533f; --gold:#d6ad66;
  --serif:"DM Serif Display",Georgia,serif;
  --sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",monospace;
  --gutter:clamp(.875rem,3vw,1.75rem);
  --section-space:clamp(4rem,6.5vw,6rem);
  --seam:calc(var(--section-space)/2);
  --section-max:1360px;
  --motion-fast:.2s;
  --motion-signal:.45s;
}

* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
.sean-home { margin:0; overflow-x:hidden; background:var(--coal); color:var(--ink); font-family:var(--sans); }
.sean-home a { color:inherit; }
.skip-link { position:fixed; z-index:100; top:-80px; left:18px; padding:10px 14px; background:var(--paper); color:var(--coal); font-weight:800; }
.skip-link:focus { top:18px; }
.instrument-label,.panel-kicker,.project-meta { margin:0 0 18px; color:var(--gold); font:700 .6875rem/1.5 var(--mono); letter-spacing:.13em; text-transform:uppercase; }

.home-header { position:fixed; z-index:50; inset:0 0 auto; border-bottom:1px solid var(--line); background:rgba(17,18,20,.84); backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px); }
.home-nav { display:flex; align-items:center; justify-content:space-between; max-width:1480px; height:72px; margin:auto; padding:0 var(--gutter); }
.home-brand { display:flex; align-items:center; gap:11px; font:800 .84rem var(--mono); letter-spacing:.05em; text-decoration:none; }
.home-brand img { width:36px; height:36px; border:1px solid var(--gold); border-radius:50%; object-fit:cover; }
.home-links { display:flex; align-items:center; gap:5px; }
.home-links a,.home-menu { min-height:44px; padding:12px; border:0; background:none; color:var(--muted); font:700 .7rem var(--mono); letter-spacing:.04em; text-decoration:none; text-transform:uppercase; }
.home-links a:hover,.home-links a:focus-visible { color:var(--paper); }
.home-menu { display:none; }

.origin { padding:112px var(--gutter) 0; }
.origin-copy { display:grid; grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr); gap:20px clamp(30px,4vw,56px); align-items:end; max-width:var(--section-max); margin:0 auto 38px; }
.origin-copy .instrument-label { grid-column:1/-1; margin:0; }
.origin h1 { max-width:950px; margin:0; font:400 clamp(4.5rem,8.7vw,9rem)/.79 var(--serif); letter-spacing:-.055em; }
.origin h1 span { display:block; }
.origin h1 em,.host h2 em,.deck h2 em,.reach h2 em { color:var(--red); font-weight:400; }
.origin-lede { max-width:620px; margin:0 0 10px; color:#d6d3cc; font-size:clamp(1rem,1.35vw,1.22rem); line-height:1.65; }
.origin-actions { display:flex; align-items:center; gap:22px; margin-top:26px; }
.home-button { display:inline-flex; align-items:center; justify-content:center; min-height:50px; padding:0 20px; border:1px solid var(--line); font-weight:800; text-decoration:none; }
.home-button.primary { border-color:var(--red); background:var(--red); color:#fff; }
.home-button.dark { border-color:var(--coal); background:var(--coal); color:var(--paper); }
.text-link { padding:10px 0; font:700 .75rem var(--mono); text-decoration:none; text-transform:uppercase; }
.fresco { max-width:1500px; margin:0 auto; overflow:hidden; border:1px solid var(--line); background:#090909; }
.fresco picture,.fresco img { display:block; width:100%; }
.fresco img { height:auto; max-height:720px; object-fit:cover; object-position:center; }
.fresco figcaption { display:flex; justify-content:space-between; gap:30px; padding:14px 18px; border-top:1px solid var(--line); color:var(--muted); font:500 .75rem/1.5 var(--mono); }
.fresco figcaption a { color:var(--plaster); text-decoration:none; }
.receipt-rail { display:grid; grid-template-columns:repeat(4,1fr); max-width:var(--section-max); margin:0 auto; padding:30px 0 var(--seam); }
.receipt-rail a { position:relative; min-height:124px; padding:22px; border-right:1px solid var(--line); text-decoration:none; }
.receipt-rail a:first-child { border-left:1px solid var(--line); }
.receipt-rail a::after { position:absolute; right:14px; bottom:12px; color:var(--gold); content:"→"; }
.receipt-rail strong,.receipt-rail span { display:block; }
.receipt-rail strong { margin-bottom:9px; color:var(--paper); font:400 1.35rem var(--serif); }
.receipt-rail span { max-width:240px; color:var(--muted); font-size:.82rem; line-height:1.55; }
.receipt-rail a:hover strong { color:var(--red); }

.host { display:grid; grid-template-columns:minmax(300px,.82fr) minmax(440px,1.18fr); gap:clamp(42px,7vw,118px); align-items:start; max-width:var(--section-max); margin:auto; padding:var(--seam) var(--gutter); }
.host-art { position:relative; max-width:460px; margin-top:22px; padding:24px; }
.host-art img { position:relative; z-index:2; display:block; width:100%; height:auto; aspect-ratio:1; border-radius:50%; object-fit:cover; filter:saturate(.9) contrast(1.04); box-shadow:0 40px 100px #0008; }
.portrait-orbit { position:absolute; z-index:1; inset:8px; border:1px solid var(--gold); border-radius:50%; }
.portrait-stamp { position:absolute; z-index:3; right:-18px; bottom:5%; padding:9px 12px; background:var(--paper); color:var(--coal); font:800 .6875rem var(--mono); letter-spacing:.08em; }
.host h2,.deck h2,.reach h2,.jpop-band h2 { margin:0; font:400 clamp(2.85rem,calc(2.5rem + 3vw),6rem)/.9 var(--serif); letter-spacing:-.04em; text-wrap:balance; }
.host h2 { font-size:min(clamp(2.85rem,calc(2.5rem + 3vw),6rem),12vw); }
.sms-story h2,.autonomy h2,.routes h2 { margin:0; font:400 clamp(2.4rem,calc(2rem + 2.3vw),4.5rem)/.92 var(--serif); letter-spacing:-.04em; text-wrap:balance; }
.host h2 span,.jpop-band h2 span { display:block; }
.host-lede { max-width:680px; margin:28px 0; color:#ccc8bf; font-size:1.05rem; line-height:1.7; }
.day-list { margin:0; padding:0; border-top:1px solid var(--line); list-style:none; }
.day-list li { display:grid; grid-template-columns:36px 1fr; gap:12px; margin:0; padding:13px 0; border-bottom:1px solid var(--line); color:#d7d3ca; font-size:.9rem; }
.day-list li span { color:var(--red); font:.7rem var(--mono); }
.sean-says { display:flex; justify-content:space-between; width:100%; margin-top:22px; padding:16px 18px; border:1px solid var(--line); background:transparent; color:var(--paper); font:400 1.2rem var(--serif); text-align:left; cursor:pointer; }
.sean-says span { color:var(--gold); font:500 .6875rem var(--mono); text-transform:uppercase; }

.deck { scroll-margin-top:72px; padding:var(--seam) var(--gutter); border-block:1px solid var(--line); background:#0b0c0e; }
.deck-heading { display:grid; grid-template-columns:1fr minmax(300px,460px); gap:40px; align-items:end; max-width:var(--section-max); margin:0 auto 46px; }
.deck-heading>p { margin:0; color:var(--muted); line-height:1.7; }
.signal-journey { display:grid; grid-template-columns:minmax(240px,.72fr) minmax(0,1.28fr); gap:clamp(28px,5vw,72px); max-width:var(--section-max); margin:0 auto 34px; padding:20px 0 0; }
.signal-heading h3 { margin:0 0 10px; font:400 clamp(2rem,3.2vw,3.3rem)/.95 var(--serif); letter-spacing:-.04em; }
.signal-heading>p:last-child { margin:0; max-width:390px; color:var(--muted); font-size:.9rem; line-height:1.65; }
.signal-heading strong { color:var(--paper); font-weight:500; }
.signal-steps { position:relative; display:grid; grid-template-columns:repeat(3,1fr); gap:0; margin:0; padding:0; list-style:none; }
.signal-steps::before { position:absolute; top:19px; right:10%; left:10%; height:1px; background:var(--red); content:""; opacity:.72; }
.signal-steps li { position:relative; z-index:1; min-width:0; }
.signal-steps a { display:grid; gap:7px; min-height:112px; padding:0 16px; border-left:1px solid var(--line); color:var(--muted); text-decoration:none; }
.signal-steps li:last-child a { border-right:1px solid var(--line); }
.signal-steps a::before { display:block; width:10px; height:10px; margin:14px 0 10px; border:2px solid var(--red); border-radius:50%; background:#0b0c0e; content:""; box-shadow:0 0 0 5px #0b0c0e; transition:background var(--motion-signal),transform var(--motion-signal); }
.signal-steps span { color:var(--red); font:700 .65rem var(--mono); }
.signal-steps strong { color:var(--paper); font:400 1.1rem var(--serif); }
.signal-steps small { color:var(--muted); font-size:.75rem; line-height:1.4; }
.signal-steps li.is-active a::before { background:var(--red); transform:scale(1.2); }
.signal-steps li.is-active strong { color:var(--red); }
.signal-steps a:hover strong,.signal-steps a:focus-visible strong { color:var(--red); }
.console { max-width:var(--section-max); margin:auto; overflow:hidden; border:1px solid var(--line); background:#15171a; }
.console-bar { display:flex; align-items:center; height:48px; padding:0 18px; border-bottom:1px solid var(--line); background:#202328; }
.console-bar span { color:#9b9c9e; font:500 .6875rem var(--mono); letter-spacing:.12em; }
.console-tabs { display:grid; grid-template-columns:repeat(4,1fr); border-bottom:1px solid var(--line); }
.console-tabs button { min-height:70px; padding:12px; border:0; border-right:1px solid var(--line); background:transparent; color:#a3a4a6; font:700 .72rem var(--mono); cursor:pointer; }
.console-tabs button:last-child { border-right:0; }
.console-tabs button[aria-selected="true"] { background:var(--paper); color:var(--coal); }
.console-panels article { display:grid; grid-template-columns:72px minmax(300px,1fr) minmax(250px,.72fr); gap:28px; align-items:center; min-height:370px; padding:clamp(34px,4vw,55px); }
.panel-index { align-self:start; color:var(--red); font:400 4rem var(--serif); }
.panel-kicker { margin-bottom:10px; }
.console-panels h3 { margin:0 0 18px; font:400 clamp(2.3rem,calc(2rem + 2vw),4.4rem)/.95 var(--serif); }
.console-panels p:not(.panel-kicker) { max-width:650px; color:#b8b7b2; line-height:1.7; }
.console-panels a,.reach-card a,.autonomy a { display:inline-flex; align-items:center; min-height:44px; margin-top:10px; color:var(--paper); font:700 .75rem var(--mono); text-decoration:none; text-transform:uppercase; }
.identity-simulator { margin:24px 0 4px; padding:18px; border:1px solid var(--line); background:#101215; }
.identity-simulator fieldset { margin:0; padding:0; border:0; }
.identity-simulator legend,.simulator-label { margin:0 0 11px; color:var(--gold); font:700 .64rem var(--mono); letter-spacing:.1em; text-transform:uppercase; }
.identity-options { display:grid; grid-template-columns:repeat(4,1fr); gap:5px; }
.identity-options button { min-height:44px; padding:8px 7px; border:1px solid var(--line); background:transparent; color:var(--muted); font:700 .68rem var(--mono); cursor:pointer; transition:background var(--motion-fast),color var(--motion-fast),border-color var(--motion-fast); }
.identity-options button[aria-pressed="true"] { border-color:var(--red); background:var(--red); color:#fff; }
.simulator-live { margin-top:16px; padding-top:15px; border-top:1px solid var(--line); }
.simulator-live h4 { margin:0 0 14px; color:var(--paper); font:400 1.55rem/1 var(--serif); }
.simulator-live dl { display:grid; grid-template-columns:1fr 1fr; gap:9px 14px; margin:0; }
.simulator-live dl div { min-width:0; }
.simulator-live dt { color:var(--gold); font:700 .6rem var(--mono); letter-spacing:.08em; text-transform:uppercase; }
.simulator-live dd { margin:4px 0 0; color:#b8b7b2; font-size:.75rem; line-height:1.45; }
.simulator-fallback { display:none; }
.no-js .simulator-live { display:none; }
.no-js .simulator-fallback { display:grid; gap:8px; }
.simulator-fallback details { border-top:1px solid var(--line); padding-top:9px; }
.simulator-fallback summary { color:var(--paper); font:700 .72rem var(--mono); cursor:pointer; }
.simulator-fallback p { margin:8px 0 0; color:#b8b7b2; font-size:.76rem; line-height:1.5; }
.identity-map,.signal-map { display:flex; align-items:center; justify-content:center; gap:7px; flex-wrap:wrap; padding:28px; border:1px solid var(--line); border-radius:50%; }
.identity-map span,.signal-map span { font:500 .6875rem var(--mono); text-transform:uppercase; }
.identity-map b,.signal-map b { width:18px; height:1px; background:var(--red); }
.privacy-grid { display:grid; gap:7px; }
.privacy-grid span { min-height:76px; padding:15px; border:1px solid var(--line); color:var(--muted); font:.65rem/1.5 var(--mono); }
.privacy-grid b { display:block; color:var(--gold); font-size:.75rem; }
.machine-list { display:grid; grid-template-columns:1fr 1fr; gap:7px; }
.machine-list span { display:grid; place-items:center; min-height:68px; border:1px solid var(--line); color:var(--gold); font:.68rem var(--mono); }

.reach { scroll-margin-top:72px; max-width:var(--section-max); margin:auto; padding:var(--seam) var(--gutter); }
.reach-heading { display:grid; grid-template-columns:1fr minmax(280px,420px); gap:14px 50px; align-items:end; margin-bottom:44px; }
.reach-heading .instrument-label { grid-column:1/-1; margin:0; }
.reach-heading>p:last-child { margin:0; color:var(--muted); line-height:1.7; }
.reach-grid { display:grid; grid-template-columns:1.2fr 1fr 1fr; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.reach-card { display:flex; flex-direction:column; min-height:420px; padding:30px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); }
.reach-card.flagship { background:var(--plaster); color:var(--coal); }
.reach-card h3 { margin:68px 0 18px; font:400 clamp(2.2rem,calc(1.95rem + 1.8vw),3.8rem)/.95 var(--serif); }
.reach-card p { margin:0 0 28px; color:var(--muted); font-size:.9rem; line-height:1.7; }
.reach-card.flagship p { color:#56504a; }
.reach-card a { margin-top:auto; }
.reach-card.flagship a { color:var(--coal); }

.sms-story { display:grid; grid-template-columns:minmax(300px,.8fr) minmax(480px,1.2fr); gap:clamp(42px,7vw,110px); padding:var(--section-space) max(var(--gutter),calc((100vw - 1304px)/2)); background:var(--paper); color:var(--coal); }
.sms-intro p:not(.instrument-label) { max-width:560px; margin:24px 0 28px; color:#4f4b45; line-height:1.7; }
.sms-timeline { display:grid; grid-template-columns:1fr 1fr; margin:0; padding:0; border-top:1px solid #1113; border-left:1px solid #1113; list-style:none; }
.sms-timeline li { min-height:180px; padding:22px; border-right:1px solid #1113; border-bottom:1px solid #1113; }
.sms-timeline span,.sms-timeline strong,.sms-timeline small { display:block; }
.sms-timeline span { color:var(--red); font:.65rem var(--mono); }
.sms-timeline strong { margin-top:34px; font:400 1.8rem var(--serif); }
.sms-timeline small { margin-top:7px; color:#645f57; line-height:1.5; }

.autonomy { display:grid; grid-template-columns:1fr 1fr; gap:70px; max-width:var(--section-max); margin:auto; padding:var(--seam) var(--gutter); }
.autonomy>div { min-width:0; }
.autonomy>div:last-child { align-self:end; }
.autonomy p:not(.instrument-label) { max-width:590px; margin:0 0 18px; color:var(--muted); font-size:1.02rem; line-height:1.7; }
.autonomy a { display:flex; width:max-content; margin-top:6px; }

.jpop-band { display:grid; grid-template-columns:1.05fr .95fr; gap:70px; padding:var(--section-space) max(var(--gutter),calc((100vw - 1304px)/2)); background:var(--red); color:var(--coal); }
.jpop-band .instrument-label { color:var(--coal); }
.jpop-band>div:last-child { align-self:end; }
.jpop-band p:not(.instrument-label) { max-width:590px; margin:0 0 28px; font-size:1.05rem; line-height:1.7; }
.routes { max-width:var(--section-max); margin:auto; padding:var(--seam) var(--gutter); }
.route-grid { display:grid; grid-template-columns:repeat(4,1fr); margin-top:46px; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.route-grid a { position:relative; display:flex; flex-direction:column; min-height:240px; padding:24px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); text-decoration:none; }
.route-grid span { color:var(--red); font:.65rem var(--mono); }
.route-grid strong { margin-top:54px; font:400 2.4rem var(--serif); }
.route-grid small { margin-top:8px; color:var(--muted); line-height:1.5; }
.route-grid i { position:absolute; right:22px; bottom:20px; color:var(--gold); font-style:normal; }
.route-grid a:hover { background:var(--paper); color:var(--coal); }
.route-grid a:hover small { color:#5e5b56; }
.home-footer { display:flex; justify-content:space-between; gap:20px; padding:26px var(--gutter); border-top:1px solid var(--line); color:#999; font:500 .6875rem var(--mono); letter-spacing:.05em; text-transform:uppercase; }

.home-button,.text-link,.receipt-rail a,.route-grid a,.reach-card a,.home-links a,.sean-says,.console-tabs button { transition:color var(--motion-fast),background var(--motion-fast),border-color var(--motion-fast),transform var(--motion-fast); }
.home-button:hover,.receipt-rail a:hover,.route-grid a:hover,.sean-says:hover { transform:translateY(-2px); }
.sean-home :focus-visible { outline:3px solid var(--gold); outline-offset:4px; }
.console-tabs button:focus-visible { outline-offset:-4px; }
.console-panels [hidden] { display:none!important; }

@media (max-width:1020px) {
  .origin-copy { grid-template-columns:1fr; }
  .origin h1 { font-size:clamp(4.25rem,12.5vw,7.5rem); }
  .receipt-rail { grid-template-columns:1fr 1fr; }
  .receipt-rail a:nth-child(3) { border-left:1px solid var(--line); }
  .deck-heading,.reach-heading { grid-template-columns:1fr; }
  .reach-heading .instrument-label { grid-column:auto; }
  .console-panels article { grid-template-columns:56px 1fr; }
  .console-panels article>:last-child { grid-column:2; }
  .reach-grid { grid-template-columns:1fr 1fr; }
  .reach-card.flagship { grid-column:1/-1; min-height:340px; }
  .sms-story { grid-template-columns:1fr; }
}

@media (max-width:1120px) {
  .host { grid-template-columns:1fr; gap:28px; }
  .host-art { width:min(100%,460px); margin:0; }
}

@media (max-width:860px) {
  .home-menu { display:block; border:1px solid var(--line); color:var(--paper); cursor:pointer; }
  .home-links { position:absolute; top:72px; right:14px; left:14px; display:none; grid-template-columns:1fr 1fr; padding:12px; border:1px solid var(--line); background:#17191cf7; box-shadow:0 24px 70px #000b; }
  .home-links.is-open { display:grid; }
  .home-links a { padding:15px; }
  .host-art { width:min(100%,420px); }
  .console-tabs { grid-template-columns:1fr 1fr; }
  .console-tabs button:nth-child(2) { border-right:0; }
  .console-tabs button:nth-child(-n+2) { border-bottom:1px solid var(--line); }
  .autonomy,.jpop-band { grid-template-columns:1fr; gap:36px; }
  .autonomy { gap:24px; }
  .route-grid { grid-template-columns:1fr 1fr; }
  .route-grid a { min-height:190px; }
  .route-grid strong { margin-top:30px; }
}

@media (max-width:680px) {
  .home-nav { height:64px; }
  .home-links { top:64px; }
  .origin { padding-top:92px; }
  .origin-copy { gap:18px; margin-bottom:24px; }
  .origin h1 { font-size:clamp(3.55rem,17.8vw,5.2rem); line-height:.82; }
  .origin-lede { font-size:.96rem; line-height:1.58; }
  .origin-actions { align-items:flex-start; flex-direction:column; gap:12px; margin-top:16px; }
  .home-button { min-height:46px; }
  .fresco figcaption { display:grid; gap:7px; }
  .receipt-rail { padding-top:0; }
  .receipt-rail a { min-height:142px; padding:18px 14px; }
  .receipt-rail strong { font-size:1.08rem; }
  .receipt-rail span { font-size:.76rem; }
  .host { grid-template-columns:1fr; gap:26px; }
  .host-art { max-width:320px; margin:0; padding:16px; }
  .portrait-stamp { right:-8px; }
  .host-lede { margin:22px 0; font-size:.94rem; }
  .day-list li { font-size:.84rem; }
  .deck-heading { gap:20px; margin-bottom:28px; }
  .signal-journey { grid-template-columns:1fr; gap:22px; margin-bottom:25px; padding-top:0; }
  .signal-heading>p:last-child { max-width:620px; }
  .signal-steps a { padding-inline:10px; }
  .signal-steps strong { font-size:1rem; }
  .deck-heading>p,.reach-heading>p:last-child { font-size:.88rem; }
  .console-panels article { grid-template-columns:1fr; gap:16px; min-height:0; padding:28px 20px 32px; }
  .panel-index { font-size:2.5rem; }
  .console-panels article>:last-child { grid-column:1; }
  .identity-map,.signal-map { border-radius:0; }
  .identity-simulator { padding:14px; }
  .identity-options { grid-template-columns:1fr 1fr; }
  .simulator-live dl { grid-template-columns:1fr; }
  .reach-heading { margin-bottom:28px; }
  .reach-grid { grid-template-columns:1fr; }
  .reach-card.flagship { grid-column:auto; }
  .reach-card { min-height:0; padding:24px; }
  .reach-card h3 { margin-top:12px; }
  .sms-timeline { grid-template-columns:1fr 1fr; }
  .sms-timeline li { min-height:164px; padding:18px; }
  .sms-timeline strong { margin-top:26px; font-size:1.5rem; }
  .route-grid { margin-top:28px; }
  .route-grid a { min-height:180px; padding:18px; }
  .route-grid strong { font-size:1.8rem; }
  .home-footer { align-items:flex-start; flex-direction:column; }
}

@media (max-width:420px) {
  .home-brand span { display:none; }
  .home-links { grid-template-columns:1fr; }
  .receipt-rail { grid-template-columns:1fr; }
  .receipt-rail a,.receipt-rail a:nth-child(3) { min-height:108px; border-left:1px solid var(--line); }
  .receipt-rail span { max-width:290px; }
  .signal-steps a { min-height:92px; padding-inline:8px; }
  .signal-steps small { display:none; }
  .sms-timeline { grid-template-columns:1fr; }
  .sms-timeline li { min-height:0; }
  .sms-timeline strong { margin-top:14px; }
  .route-grid { grid-template-columns:1fr; }
  .route-grid a { min-height:0; }
  .route-grid strong { margin-top:14px; }
}

@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto!important; }
  .home-button,.text-link,.receipt-rail a,.route-grid a,.reach-card a,.home-links a,.sean-says,.console-tabs button,.identity-options button,.signal-steps a::before { transition:none!important; }
  .home-button:hover,.receipt-rail a:hover,.route-grid a:hover,.sean-says:hover { transform:none; }
  .signal-steps li.is-active a::before { transform:none; }
}