:root{
  --bg:#f5f3ef; --card:#ffffff; --ink:#151515; --muted:#6f6a61;
  --line:#ded9cf; --accent:#111111; --soft:#ece8df; --ok:#e6f2e8; --warn:#fff4d8;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink)}
button,input,select{font:inherit}
.shell{width:min(760px,100%);margin:0 auto;padding:16px 16px 48px}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:8px 2px 16px}
.brand{font-weight:900;letter-spacing:.16em;font-size:.86rem}
.subbrand{font-size:.85rem;color:var(--muted);margin-top:3px}
.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 10px 30px rgba(0,0,0,.045)}
.hero{padding:30px 24px}
.eyebrow{font-size:.73rem;font-weight:800;letter-spacing:.13em;color:var(--muted);margin-bottom:10px}
h1{font-size:clamp(2rem,9vw,3.4rem);line-height:.98;margin:0 0 18px;letter-spacing:-.045em}
h2{font-size:2rem;line-height:1.02;margin:4px 0 10px;letter-spacing:-.035em}
h3{margin:0 0 16px}
p{line-height:1.5}
.lead{font-size:1.08rem;color:#3d3933}
.address{font-weight:650}
.primary,.secondary,.ghost,.play{border-radius:15px;border:0;cursor:pointer}
.primary{background:var(--accent);color:white;padding:15px 17px;font-weight:800}
.secondary{background:var(--soft);color:var(--ink);padding:15px 17px;font-weight:800}
.ghost{background:transparent;border:1px solid var(--line);padding:13px 16px;font-weight:700}
.small{padding:9px 12px;font-size:.85rem}
.hero button{width:100%;margin-top:10px}
.muted{font-size:.87rem;color:var(--muted);margin-top:12px}
.hidden{display:none!important}
.preference-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0 6px}
.preference-grid label{display:flex;flex-direction:column;gap:7px;font-size:.79rem;font-weight:800;color:var(--muted)}
.preference-grid select{width:100%;padding:13px 12px;border:1px solid var(--line);border-radius:14px;background:white;color:var(--ink);font-weight:750}
.progress-wrap{padding:4px 4px 16px}
.progress-meta{display:flex;justify-content:space-between;font-size:.84rem;font-weight:700;color:var(--muted);margin-bottom:8px}
.progress-track{height:7px;background:#ddd8ce;border-radius:99px;overflow:hidden}
.progress-bar{height:100%;width:11%;background:#111;border-radius:99px;transition:width .25s ease}
.stop-card{position:relative}
.stop-image-wrap{position:relative;margin:4px 0 18px;border-radius:16px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:#0d0d0f}
.stop-backdrop{position:absolute;inset:0;background-size:cover;background-position:center;filter:blur(26px) brightness(.5);transform:scale(1.12);z-index:0}
.stop-image{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;display:block;opacity:1;transition:opacity .8s ease;z-index:1}
.stop-image-b{opacity:0}
.slide-dots{position:absolute;top:11px;left:0;right:0;display:flex;gap:5px;justify-content:center;z-index:2;pointer-events:none}
.slide-dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.55);box-shadow:0 0 2px rgba(0,0,0,.55)}
.slide-dot.on{background:#fff}
.caption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:16px 16px 13px;color:#fff;font-size:1rem;line-height:1.36;font-weight:600;text-align:center;text-shadow:0 1px 3px rgba(0,0,0,.7);background:linear-gradient(to top,rgba(0,0,0,.82),rgba(0,0,0,.55) 62%,rgba(0,0,0,0));opacity:0;transition:opacity .18s ease;pointer-events:none}
.caption.show{opacity:1}
.cc-btn{position:absolute;top:8px;right:8px;z-index:3;padding:4px 9px;border:0;border-radius:8px;background:rgba(0,0,0,.5);color:#fff;font-size:.72rem;font-weight:800;letter-spacing:.05em;cursor:pointer;opacity:.6}
.cc-btn.on{opacity:1;background:rgba(0,0,0,.82);box-shadow:inset 0 0 0 2px rgba(255,255,255,.55)}
.more-btn{position:absolute;top:8px;left:8px;z-index:3;padding:7px 13px;border:0;border-radius:999px;background:rgba(17,17,17,.72);color:#fff;font-size:.8rem;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;gap:6px;max-width:calc(100% - 68px)}
.more-btn::before{content:"\266A";font-size:.95em;opacity:.9}
.more-btn:active{transform:scale(.97)}
.more-btn.playing{background:var(--accent)}
.pill{display:inline-flex;padding:7px 10px;border-radius:99px;background:var(--soft);font-size:.72rem;font-weight:850;letter-spacing:.06em;margin-bottom:14px}
.pill.arrived{background:var(--ok)}
.arrival-box{border:1px solid var(--line);background:#faf9f6;border-radius:16px;padding:14px 15px;margin:20px 0;display:flex;flex-direction:column;gap:4px}
.arrival-box span{font-size:.9rem;color:var(--muted)}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.player{margin-top:20px;border-top:1px solid var(--line);padding-top:18px}
.player-row{display:flex;gap:14px;align-items:center}
.audio-status{font-size:.84rem;color:var(--muted);margin-bottom:10px}
.audio-status.warn{background:var(--warn);color:#614b00;padding:10px 12px;border-radius:12px}
.play{width:54px;height:54px;flex:none;background:#111;color:#fff;font-size:1.1rem}
.player-main{flex:1}
.time-row{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted);margin-bottom:7px}
#seek{width:100%;accent-color:#111}
.nav-row{display:flex;justify-content:space-between;margin-top:18px}
.itinerary{margin-top:14px}
.stop-row{display:block;padding:14px 0;border-top:1px solid var(--line)}
.stop-row:first-of-type{border-top:0}
.stop-row-img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;border:1px solid var(--line);background:var(--soft);display:block;margin-bottom:11px}
.stop-row-body{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center}
.stop-num{height:30px;width:30px;border:1px solid var(--line);display:grid;place-items:center;border-radius:50%;font-weight:800;font-size:.78rem}
.stop-row.active .stop-num{background:#111;color:#fff;border-color:#111}
.stop-row-title{font-weight:750}
.stop-row-meta{font-size:.79rem;color:var(--muted);margin-top:2px}
.stop-row button{border:0;background:transparent;font-weight:800;cursor:pointer}
.complete{text-align:center;padding:36px 24px}
.complete .primary{width:100%;margin-top:12px}
#reviewBtn{display:block;text-decoration:none;text-align:center}
.complete .ghost{width:100%;margin-top:10px}
@media(max-width:540px){
  .actions,.preference-grid{grid-template-columns:1fr}
  .card{border-radius:20px;padding:19px}
}

/* ---- Tier 1 access gate ---- */
.gate-screen{position:fixed;inset:0;z-index:9999;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:24px}
.gate-card{width:min(420px,100%);background:var(--card);border:1px solid var(--line);border-radius:24px;padding:34px 26px;box-shadow:0 12px 34px rgba(0,0,0,.08);text-align:center}
.gate-brand{font-weight:900;letter-spacing:.16em;font-size:.86rem}
.gate-sub{font-size:.85rem;color:var(--muted);margin-top:3px;margin-bottom:24px}
.gate-title{font-size:1.5rem;line-height:1.05;letter-spacing:-.03em;margin:0 0 8px}
.gate-help{font-size:.9rem;color:var(--muted);line-height:1.45;margin:0 0 22px}
#gateForm{display:flex;flex-direction:column;gap:11px}
#gateInput{width:100%;padding:15px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);font-weight:800;font-size:1.02rem;text-align:center;letter-spacing:.12em;text-transform:uppercase}
#gateInput::placeholder{color:#b8b2a6;font-weight:700;letter-spacing:.12em}
#gateInput:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
#gateForm .primary{width:100%}
.gate-msg{min-height:1.25em;font-size:.85rem;font-weight:750;margin-top:2px}
.gate-msg.err{color:#a23b2b}
.gate-msg.ok{color:#2f7a4b}