:root{
  --bg:#061A03; --bg2:#040B07;
  --panel:#12211C; --panel2:#0A130E;
  --green:#12A24F; --brand:#009640; --deep:#2B3E37;
  --ink:#F2F5F0; --ink2:#9DB0A6; --amber:#E8B04B;
  --disc:#0E1A15; --ring:rgba(237,232,221,.55);
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Inter,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --ease2:cubic-bezier(.22,1,.36,1);
  --panelW:392px;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;overflow:hidden;background:var(--bg2);}
body{
  font-family:var(--sans); color:var(--ink);
  -webkit-font-smoothing:antialiased; -webkit-tap-highlight-color:transparent;
  touch-action:none; user-select:none;
}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
.amber{color:var(--amber)}

/* ---------- stage ---------- */
#stage{position:fixed;inset:0;
  background:radial-gradient(120% 90% at 50% 42%, #0B2A11 0%, var(--bg) 45%, var(--bg2) 100%);}
#stage::after{ /* vignetta */
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(75% 60% at 50% 48%, transparent 55%, rgba(0,0,0,.55) 100%);}
#c{position:absolute;inset:0;width:100%;height:100%;display:block;}
#leaders{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible;}
#leaders line{stroke:rgba(242,245,240,.42);stroke-width:1;}
#leaders line.active{stroke:var(--green);stroke-width:1.5;}
#leaders circle{fill:none;stroke:rgba(242,245,240,.75);stroke-width:1;}
#leaders circle.active{stroke:var(--green);}
#hotspots{position:absolute;inset:0;pointer-events:none;}

/* ---------- hotspot ---------- */
.hs{
  position:absolute;left:0;top:0;width:44px;height:44px;margin:-22px 0 0 -22px;
  display:grid;place-items:center;pointer-events:auto;
  background:none;border:0;padding:0;cursor:pointer;
  opacity:0;transition:opacity .25s ease;
}
.hs.ready{opacity:1}
.hs.ready.behind{opacity:.16}
.hs i{
  width:30px;height:30px;border-radius:50%;
  background:var(--disc);border:1px solid var(--ring);
  display:grid;place-items:center;
  font:700 13px/1 var(--mono);color:var(--ink);letter-spacing:.02em;
  box-shadow:0 2px 10px rgba(0,0,0,.5), inset 0 0 0 3px rgba(6,26,3,.6);
  transform:scale(var(--s,1));
  transition:transform .2s var(--ease2), background .2s ease, border-color .2s ease, color .2s ease;
  font-style:normal;
}
.hs::before{ /* alone di pulsazione */
  content:"";position:absolute;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--green);opacity:0;
}
.hs.pulse::before{animation:ring 2.6s var(--ease) infinite;}
@keyframes ring{0%{opacity:.55;transform:scale(1)}70%{opacity:0;transform:scale(2.1)}100%{opacity:0;transform:scale(2.1)}}
.hs:active i{transform:scale(.92)}
.hs.on i{background:var(--green);border-color:var(--ink);color:#fff;--s:1.14;}
.hs.behind{pointer-events:none;}
.hs.ready i{animation:pop .38s var(--ease2);}
@keyframes pop{from{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}

/* ---------- chrome ---------- */
#chrome-top,#chrome-bottom{position:fixed;left:0;right:0;pointer-events:none;z-index:6;}
#chrome-top{top:0;display:flex;justify-content:space-between;align-items:flex-start;
  padding:max(18px,env(safe-area-inset-top)) 22px 0;}
.brand{display:flex;align-items:center;gap:14px;}
.logo{height:26px;display:block;filter:drop-shadow(0 1px 6px rgba(0,0,0,.5));}
.titles .model{font:600 13px/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;}
.titles .model .mono{letter-spacing:.06em;color:var(--ink2);font-weight:500;}
.titles .sub{font:400 11px/1.4 var(--sans);color:var(--ink2);letter-spacing:.06em;margin-top:2px;}
.top-right{pointer-events:auto;}
.lang{
  pointer-events:auto;display:inline-flex;align-items:center;gap:5px;
  background:rgba(18,33,28,.85);border:1px solid rgba(242,245,240,.14);border-radius:999px;
  padding:6px 12px;font:600 11px/1 var(--mono);letter-spacing:.08em;color:var(--ink2);cursor:pointer;
}
.lang .on{color:var(--ink);} .lang .sep{opacity:.35}
.lang.en .on{color:var(--ink2)} .lang.en .off{color:var(--ink)}

#chrome-bottom{bottom:0;display:flex;justify-content:space-between;align-items:flex-end;
  padding:0 22px max(18px,env(safe-area-inset-bottom));gap:16px;}
.specs{display:flex;gap:26px;margin:0;pointer-events:none;}
.specs div{display:flex;flex-direction:column;gap:3px;}
.specs dt{font:500 9px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink2);}
.specs dd{margin:0;font:600 19px/1 var(--mono);letter-spacing:.01em;}
.specs dd small{font-size:11px;font-weight:500;opacity:.7;margin-left:1px;}
.actions{display:flex;gap:8px;pointer-events:auto;}
.btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  background:var(--green);color:#fff;border:0;border-radius:999px;
  padding:11px 18px;font:600 12px/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;
  box-shadow:0 6px 22px rgba(40,149,72,.28);
  transition:transform .18s var(--ease2), filter .18s ease;
}
.btn:active{transform:scale(.96)}
.btn.ghost{background:rgba(18,33,28,.85);border:1px solid rgba(242,245,240,.14);color:var(--ink2);
  box-shadow:none;padding:11px;}
.btn.on{background:#B5321F;box-shadow:0 6px 22px rgba(181,50,31,.3)}
.ico{width:13px;height:13px;flex:none}

/* ---------- hint / attrattore ---------- */
.hint{
  position:absolute;left:50%;bottom:78px;transform:translateX(-50%);
  display:flex;align-items:center;gap:9px;
  font:500 11px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);
  opacity:0;transition:opacity .5s ease;pointer-events:none;z-index:5;
}
.hint.show{opacity:1;animation:breathe 2.4s ease-in-out infinite;}
.hint-dot{width:5px;height:5px;border-radius:50%;background:var(--green);}
@keyframes breathe{0%,100%{opacity:.5}50%{opacity:1}}

/* ---------- bussola ---------- */
#compass{position:fixed;left:50%;transform:translateX(-50%);bottom:20px;height:26px;
  display:flex;gap:6px;z-index:5;pointer-events:none;}
.tick{
  pointer-events:auto;cursor:pointer;height:26px;padding:0 9px;border-radius:999px;
  background:rgba(18,33,28,.9);border:1px solid rgba(242,245,240,.14);
  display:flex;align-items:center;gap:5px;font:600 10px/1 var(--mono);color:var(--ink2);
  animation:pop .3s var(--ease2) both;
}
.tick svg{width:9px;height:9px;opacity:.65}

/* ---------- pannello ---------- */
.panel{
  position:fixed;z-index:8;background:var(--panel);
  border:1px solid rgba(242,245,240,.10);
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;
  box-shadow:0 24px 80px rgba(0,0,0,.6);
}
.panel.open{opacity:1;visibility:visible;}
@media (orientation:landscape),(min-width:820px){
  .panel{top:16px;right:16px;bottom:16px;width:var(--panelW);border-radius:14px;
    transform:translateX(24px);transition:transform .32s var(--ease),opacity .32s var(--ease),visibility .32s;}
  .panel.open{transform:none;}
}
@media (orientation:portrait) and (max-width:819px){
  .panel{left:0;right:0;bottom:0;height:56svh;border-radius:16px 16px 0 0;border-bottom:0;
    transform:translateY(20px);transition:transform .32s var(--ease),opacity .32s var(--ease),visibility .32s;}
  .panel.open{transform:none;}
  #chrome-bottom{display:none}
}
.panel::before{ /* filetto brand */
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--green);
  border-radius:14px 14px 0 0;
}
.panel-inner{padding:26px 24px 8px;overflow-y:auto;flex:1;-webkit-overflow-scrolling:touch;}
.close{position:absolute;top:16px;right:14px;width:32px;height:32px;border-radius:50%;
  background:none;border:0;color:var(--ink2);cursor:pointer;display:grid;place-items:center;z-index:2;}
.close svg{width:15px;height:15px}
.close:active{background:rgba(255,255,255,.06)}

.p-index{font:600 11px/1 var(--mono);letter-spacing:.16em;color:var(--green);margin-bottom:12px;}
.p-index .p-total{color:var(--ink2);opacity:.5}
#p-title{font:700 21px/1.22 var(--sans);letter-spacing:-.01em;margin:0 26px 16px 0;}

.media{margin:0 0 18px;}
.media-frame{
  position:relative;aspect-ratio:16/9;border-radius:8px;overflow:hidden;
  background:var(--panel2);border:1px dashed rgba(237,232,221,.22);
  display:grid;place-items:center;
}
.media-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;
  transition:opacity .5s ease;}
.media-frame.filled img{opacity:1}
.media-frame.filled{border-style:solid;border-color:rgba(237,232,221,.12)}
.media-frame.filled .media-cross{opacity:0}
.media-label{
  position:relative;z-index:2;font-size:9px;letter-spacing:.18em;color:var(--ink2);opacity:.55;
  transition:opacity .4s ease;
}
.media-frame.filled .media-label{
  position:absolute;bottom:8px;left:9px;opacity:.85;background:rgba(4,11,7,.72);
  padding:3px 6px;border-radius:4px;font-size:8px;
}
.media-cross{position:absolute;inset:0;width:100%;height:100%;opacity:.10;transition:opacity .4s ease;}
.media-cross line{stroke:var(--ink);stroke-width:.5;vector-effect:non-scaling-stroke;}

.body{list-style:none;margin:0 0 18px;padding:0;}
.body li{
  position:relative;padding:0 0 0 18px;margin:0 0 11px;
  font:400 14.5px/1.55 var(--sans);color:#DCE4DC;
}
.body li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:1px;background:var(--green);}
.body li b{color:var(--ink);font-weight:600;}
.p-foot{
  border-top:1px solid var(--deep);padding-top:12px;margin-bottom:12px;
  font-size:10.5px;letter-spacing:.06em;color:var(--ink2);line-height:1.6;
}
.p-foot .k{color:var(--amber);font-weight:600}

.p-nav{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 16px;border-top:1px solid rgba(242,245,240,.08);}
.nav-btn{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.04);
  border:1px solid rgba(242,245,240,.1);color:var(--ink2);cursor:pointer;display:grid;place-items:center;}
.nav-btn svg{width:14px;height:14px}
.nav-btn:active{background:rgba(255,255,255,.1)}
.dots{display:flex;gap:6px;}
.dots b{width:5px;height:5px;border-radius:50%;background:rgba(242,245,240,.22);transition:.25s var(--ease);}
.dots b.on{background:var(--green);width:16px;border-radius:3px;}

/* ---------- fade contenuti ---------- */
.swap{animation:swap .18s ease both}
@keyframes swap{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- loader ---------- */
#loader{position:fixed;inset:0;z-index:20;background:var(--bg2);
  display:grid;place-items:center;transition:opacity .6s ease,visibility .6s;}
#loader.done{opacity:0;visibility:hidden;}
.l-inner{display:flex;flex-direction:column;align-items:center;gap:18px;}
.l-logo{height:34px;opacity:.95}
.l-bar{width:190px;height:2px;background:rgba(242,245,240,.12);border-radius:2px;overflow:hidden;}
.l-bar i{display:block;height:100%;width:0;background:var(--green);transition:width .25s ease;}
.l-txt{font-size:10px;letter-spacing:.14em;color:var(--ink2);text-transform:uppercase;}

#demo-badge{position:fixed;z-index:9;top:50%;right:0;transform:translateY(-50%) rotate(90deg) translateX(50%);
  transform-origin:100% 50%;font-size:8px;letter-spacing:.4em;color:rgba(242,245,240,.18);pointer-events:none;}
@media (orientation:portrait) and (max-width:819px){ #demo-badge{display:none} }