/* Guided Tour engine — shared across all tours. Dark, video-first, no external assets. */
:root{
  --green:#2e7d32; --green-lit:#4caf50; --green-soft:rgba(76,175,80,.14);
  --ink:#05070b; --panel:#0d1117; --panel-2:#141b24;
  --text:#f2f5f8; --mute:#98a4b3; --line:rgba(255,255,255,.10);
  --radius:18px; --maxw:1180px;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--ink);color:var(--text);overflow-x:clip}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.5}
img,video{max-width:100%;display:block}
a{color:inherit}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;
  padding-left:max(20px,env(safe-area-inset-left));
  padding-right:max(20px,env(safe-area-inset-right))}
@media (min-width:700px){.wrap{padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right))}}
.grid>*{min-width:0}                      /* sideways-scroll guard */

/* ---------- hero ---------- */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  position:relative;padding:clamp(48px,9vw,80px) 0 clamp(40px,7vw,64px);
  background:radial-gradient(1200px 700px at 50% -10%,rgba(76,175,80,.16),transparent 60%)}
.eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--green-lit);
  font-weight:700;margin:0 0 20px}
.hero h1{font-size:clamp(38px,7.2vw,76px);line-height:1.02;letter-spacing:-.03em;
  font-weight:700;margin:0 0 22px;max-width:16ch}
.hero p.lede{font-size:clamp(17px,2.3vw,22px);color:var(--mute);max-width:54ch;margin:0 0 38px}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;color:var(--mute);font-size:14px;margin-top:34px}
.hero-meta b{color:var(--text);font-weight:600}

.btn{display:inline-flex;align-items:center;gap:10px;border:0;cursor:pointer;
  font:inherit;font-weight:600;font-size:17px;padding:15px 30px;border-radius:999px;
  background:var(--green);color:#fff;text-decoration:none;
  transition:transform .25s var(--ease),background .25s var(--ease)}
.btn:hover{background:var(--green-lit);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--text);box-shadow:inset 0 0 0 1px var(--line)}
.btn.ghost:hover{background:rgba(255,255,255,.06)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- player ---------- */
.stage{padding:0 0 96px}
.player-shell{display:grid;grid-template-columns:280px minmax(0,1fr);gap:36px;align-items:start}
@media (max-width:900px){.player-shell{grid-template-columns:minmax(0,1fr);gap:20px}}
.player-shell>*{min-width:0}                 /* grid children must be allowed to shrink */

.rail{position:sticky;top:24px;align-self:start}
@media (max-width:900px){.rail{position:static}}
.rail h3{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);
  margin:0 0 14px;font-weight:700}
.chapters{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
@media (max-width:900px){
  .chapters{flex-direction:row;overflow-x:auto;gap:8px;padding:2px 0 10px;
    scrollbar-width:none;-webkit-overflow-scrolling:touch;
    scroll-snap-type:x proximity;
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 22px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 22px),transparent 100%)}
  .chapters::-webkit-scrollbar{display:none}
  .chapter{scroll-snap-align:start}
}
.chapter{display:flex;gap:12px;align-items:baseline;width:100%;text-align:left;
  background:transparent;border:0;color:var(--mute);font:inherit;cursor:pointer;
  padding:11px 13px;border-radius:12px;transition:background .2s var(--ease),color .2s var(--ease)}
.chapter:hover{background:rgba(255,255,255,.05);color:var(--text)}
.chapter[aria-current="true"]{background:var(--green-soft);color:var(--text)}
.chapter[aria-current="true"] .cnum{color:var(--green-lit)}
.chapter .cnum{font-variant-numeric:tabular-nums;font-size:12px;font-weight:700;opacity:.8;flex:0 0 auto}
.chapter .ctitle{font-size:14.5px;font-weight:500;line-height:1.35}
.chapter.done .cnum::after{content:"✓";margin-left:5px;color:var(--green-lit)}
@media (max-width:900px){
  .chapter{flex:0 0 auto;white-space:nowrap;padding:12px 16px;min-height:44px;
    align-items:center;box-shadow:inset 0 0 0 1px var(--line);border-radius:999px}
  .chapter .ctitle{font-size:13.5px}
}

#stage,.screen{scroll-margin-top:14px}
.screen{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--panel);
  box-shadow:0 30px 80px rgba(0,0,0,.55);aspect-ratio:16/9}
.screen video{width:100%;height:100%;object-fit:contain;background:#000}
.screen iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.screen .placeholder{position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;text-align:center;padding:32px;
  background:linear-gradient(150deg,var(--panel-2),var(--panel))}
.placeholder .ph-num{font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--green-lit);font-weight:700}
.placeholder .ph-title{font-size:clamp(20px,3vw,30px);font-weight:650;letter-spacing:-.02em;max-width:22ch}
.placeholder .ph-note{font-size:13.5px;color:var(--mute);max-width:40ch}

.seg-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin:26px 0 12px}
.seg-head h2{font-size:clamp(23px,3.6vw,34px);letter-spacing:-.025em;margin:0;font-weight:660}
.seg-head .seg-count{color:var(--mute);font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap}
.seg-body{color:var(--mute);font-size:16.5px;max-width:62ch;margin:0 0 24px}

.nav-row{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.progress{height:3px;background:rgba(255,255,255,.10);border-radius:2px;overflow:hidden;margin:22px 0 0}
.progress i{display:block;height:100%;background:var(--green-lit);width:0;transition:width .5s var(--ease)}

/* ---------- close / CTA ---------- */
.close-sec{padding:96px 0 40px;border-top:1px solid var(--line);margin-top:20px;
  background:radial-gradient(900px 500px at 50% 0%,rgba(76,175,80,.10),transparent 60%)}
.close-sec h2{font-size:clamp(30px,5vw,50px);letter-spacing:-.03em;margin:0 0 16px;font-weight:700}
.close-sec p.lede{color:var(--mute);font-size:18px;max-width:56ch;margin:0 0 44px}
.cta-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(268px,1fr));gap:18px}
.cta{display:flex;flex-direction:column;gap:10px;padding:28px;border-radius:var(--radius);
  background:var(--panel);box-shadow:inset 0 0 0 1px var(--line);text-decoration:none;
  transition:transform .28s var(--ease),background .28s var(--ease)}
.cta:hover{transform:translateY(-4px);background:var(--panel-2)}
.cta.primary{background:linear-gradient(160deg,#1f5f24,#2e7d32);box-shadow:none}
.cta .k{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--green-lit)}
.cta.primary .k{color:rgba(255,255,255,.82)}
.cta .t{font-size:21px;font-weight:650;letter-spacing:-.02em}
.cta .d{font-size:14.5px;color:var(--mute)}
.cta.primary .d{color:rgba(255,255,255,.86)}

.foot{padding:40px 0 110px;color:var(--mute);font-size:13.5px;border-top:1px solid var(--line)}
.foot a{color:var(--green-lit);text-decoration:none}

/* ---------- ask veronica ---------- */
.ask{position:fixed;right:18px;bottom:18px;z-index:60;display:inline-flex;align-items:center;gap:9px;
  padding:13px 20px;border-radius:999px;background:var(--green);color:#fff;font-weight:600;font-size:15px;
  text-decoration:none;box-shadow:0 14px 34px rgba(0,0,0,.45);
  transition:transform .25s var(--ease),background .25s var(--ease)}
.ask:hover{transform:translateY(-2px);background:var(--green-lit)}
@media (max-width:520px){.ask{right:12px;bottom:12px;padding:11px 16px;font-size:14px}}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}


/* ---------- phone polish (2026-08-13) ---------- */
@media (max-width:700px){
  .stage{padding-bottom:64px}
  .screen{border-radius:14px;box-shadow:0 16px 44px rgba(0,0,0,.5)}
  .seg-head{margin:20px 0 10px;flex-direction:column;align-items:flex-start;gap:6px}
  .seg-body{font-size:16px}
  .nav-row .btn{flex:1 1 0;justify-content:center;padding:14px 20px;font-size:16px}
  .hero-meta{gap:16px 22px;font-size:13.5px}
  .btn-row .btn{flex:1 1 auto;justify-content:center}
}
@media (max-width:420px){
  .hero h1{letter-spacing:-.025em}
  .chapter .ctitle{font-size:14px}
}
/* keep the floating Ask button clear of the nav row */
@media (max-width:900px){ .stage{padding-bottom:110px} }


/* ---------- return navigation (2026-08-13) ---------- */
.tourbar{position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:16px;
  justify-content:space-between;padding:12px 0;
  background:rgba(5,7,11,.82);backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line)}
.tourbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.tourbar a{text-decoration:none;color:var(--mute);font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:8px;min-height:44px;
  transition:color .2s var(--ease)}
.tourbar a:hover{color:var(--text)}
.tourbar .brand{color:var(--text);font-size:15px;letter-spacing:-.01em}
.tourbar .brand b{color:var(--green-lit);font-weight:700}
@media (max-width:520px){
  .tourbar{padding:10px 0}
  .tourbar .brand{font-size:14px}
  .tourbar a.backlink{font-size:13px}
}