/* Hero della home "L'opera, prima dell'opera": un modello che cresce in quattro fasi (rilievo, progetto, cantiere, gestione)
   mentre si scorre. Tutto è confinato sotto .b1p-hero e le classi hanno prefisso bh-. Script in hero-scroll.js.
   Colori e font vengono dalle variabili della pagina; --bh-top lascia spazio all'header (72 px) che sta sopra la hero. */
.b1p-hero{
  --b1p-accent:var(--accent,#2EA8F0);
  --b1p-accent-ink:#04121E;
  --b1p-bg:var(--bg,#070C14);
  --b1p-fg:var(--fg,#E9F1F8);
  --b1p-muted:#B9C8D6;
  --b1p-dim:#93A6BA;
  --b1p-font-sans:var(--display,'Archivo',system-ui,sans-serif);
  --b1p-font-mono:var(--mono,ui-monospace,monospace);
  --bh-top:96px;
  position:relative;height:500vh;
  background:var(--b1p-bg);color:var(--b1p-fg);
  font-family:var(--b1p-font-sans);-webkit-font-smoothing:antialiased
}
.b1p-hero *,.b1p-hero *::before,.b1p-hero *::after{box-sizing:border-box}
.b1p-hero .bh-anchor{position:absolute;left:0;width:1px;height:1px}
.b1p-hero .bh-anchor-1{top:48vh}
.b1p-hero .bh-anchor-2{top:148vh}
.b1p-hero .bh-anchor-3{top:240vh}
.b1p-hero .bh-anchor-4{top:330vh}
.b1p-hero .bh-mono{font-family:var(--b1p-font-mono)}
.b1p-hero .bh-stage{position:sticky;top:0;height:100vh;height:100svh;min-height:560px;overflow:hidden;background:radial-gradient(ellipse 70% 60% at 62% 50%,#0B1524 0%,var(--b1p-bg) 72%)}
.b1p-hero .bh-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.b1p-hero .bh-shade{position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(90deg,rgba(7,12,20,.86) 0%,rgba(7,12,20,.55) 30%,rgba(7,12,20,0) 52%),linear-gradient(0deg,rgba(7,12,20,.9) 0%,rgba(7,12,20,0) 22%)}
.b1p-hero .bh-copy{position:absolute;z-index:3;left:clamp(16px,4vw,56px);top:var(--bh-top);bottom:150px;width:min(600px,44vw);display:grid;align-items:center;pointer-events:none}
.b1p-hero .bh-copy>*{grid-area:1/1}
.b1p-hero .bh-intro{pointer-events:auto;transition:opacity .2s linear,transform .2s linear}
.b1p-hero .bh-intro.is-gone{pointer-events:none}
.b1p-hero .bh-eyebrow{margin:0 0 18px;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--b1p-accent)}
.b1p-hero .bh-mega{margin:0;font-weight:800;font-stretch:118%;text-transform:uppercase;font-size:clamp(38px,8.6vw,124px);line-height:.86;letter-spacing:-.015em;white-space:nowrap}
.b1p-hero .bh-ln{display:block;overflow:hidden;padding-bottom:.05em}
.b1p-hero .bh-in{display:block;animation:bh-rise 1.1s cubic-bezier(.2,.8,.2,1) both}
.b1p-hero .bh-in2{animation-delay:.14s}
.b1p-hero .bh-in3{animation-delay:.28s}
@keyframes bh-rise{from{transform:translateY(105%)}to{transform:none}}
.b1p-hero .bh-lead{margin:28px 0 0;font-size:clamp(17px,1.5vw,21px);font-weight:400;line-height:1.4;color:var(--b1p-muted);max-width:30ch}
.b1p-hero .bh-ph{opacity:0;visibility:hidden;transform:translateY(18px);transition:opacity .45s ease,transform .45s ease,visibility 0s linear .45s;pointer-events:none;max-width:470px}
.b1p-hero .bh-ph.is-on{opacity:1;visibility:visible;transform:none;pointer-events:auto;transition-delay:0s}
.b1p-hero .bh-num{margin:0 0 12px;font-size:clamp(15px,1.25vw,19px);letter-spacing:.14em;text-transform:uppercase;color:var(--b1p-accent)}
.b1p-hero .bh-ph h2{margin:0;font-size:clamp(40px,5vw,76px);font-weight:800;font-stretch:115%;text-transform:uppercase;line-height:.95;letter-spacing:-.01em;color:var(--b1p-fg)}
.b1p-hero .bh-txt{margin:18px 0 0;font-size:17px;line-height:1.5;color:#C3D0DC;max-width:38ch}
.b1p-hero .bh-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.b1p-hero .bh-chip{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;padding:7px 10px;border:1px solid rgba(233,241,248,.18);color:#C3D0DC}
.b1p-hero .bh-sw{width:10px;height:10px;display:inline-block;flex:none}
.b1p-hero .bh-sw-acc{background:var(--b1p-accent)}
.b1p-hero .bh-sw-inv{background:#E9F1F8}
.b1p-hero .bh-sw-imp{background:#F2A541}
.b1p-hero .bh-sw-lux{background:#FFE3A0;border-radius:50%}
.b1p-hero .bh-sw-sot{background:#5FD1B0}
.b1p-hero .bh-status{display:flex;align-items:center;gap:10px;margin:16px 0 0;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#C3D0DC}
.b1p-hero .bh-dot{width:8px;height:8px;border-radius:50%;background:var(--b1p-dim);flex:none;transition:background .3s ease,box-shadow .3s ease}
.b1p-hero .bh-dot[data-state="red"]{background:#FF5A5F;box-shadow:0 0 0 4px rgba(255,90,95,.18)}
.b1p-hero .bh-dot[data-state="green"]{background:#7BE495;box-shadow:0 0 0 4px rgba(123,228,149,.16)}
.b1p-hero .bh-dot[data-state="orange"]{background:#FF8A3D;box-shadow:0 0 0 4px rgba(255,138,61,.18)}
.b1p-hero .bh-dot[data-state="live"]{background:#7CC8FF;box-shadow:0 0 0 4px rgba(124,200,255,.16)}
.b1p-hero .bh-meter{margin-top:22px;max-width:360px}
.b1p-hero .bh-meter-row{display:flex;justify-content:space-between;font-size:12px;letter-spacing:.12em;color:var(--b1p-dim);margin-bottom:8px;text-transform:uppercase}
.b1p-hero .bh-meter-row b{color:var(--b1p-fg);font-weight:500}
.b1p-hero .bh-meter-row.bh-next{margin-top:16px}
.b1p-hero .bh-bar{height:3px;background:rgba(233,241,248,.14)}
.b1p-hero .bh-fill{height:3px;width:0;background:var(--b1p-accent)}
.b1p-hero .bh-fill.bh-fill-light{background:var(--b1p-fg)}
.b1p-hero .bh-note{margin:14px 0 0;font-size:11px;letter-spacing:.14em;color:var(--b1p-dim);text-transform:uppercase}
.b1p-hero .bh-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .5s ease,transform .5s ease,visibility 0s linear .5s}
.b1p-hero .bh-cta.is-on{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.b1p-hero .bh-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:2px;font-weight:600;font-size:14px;text-decoration:none;letter-spacing:.01em;white-space:nowrap}
.b1p-hero .bh-btn-pri{background:var(--b1p-accent);color:var(--b1p-accent-ink)}
.b1p-hero .bh-btn-pri:hover{filter:brightness(1.08);color:var(--b1p-accent-ink)}
.b1p-hero .bh-btn-ghost{border:1px solid rgba(233,241,248,.32);color:var(--b1p-fg)}
.b1p-hero .bh-btn-ghost:hover{border-color:var(--b1p-fg);color:var(--b1p-fg)}
.b1p-hero .bh-hint{position:absolute;z-index:4;left:50%;bottom:110px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--b1p-muted);transition:opacity .4s ease;pointer-events:none}
.b1p-hero .bh-hint.is-gone{opacity:0}
.b1p-hero .bh-hint i{display:block;width:1px;height:40px;background:linear-gradient(var(--b1p-fg),rgba(233,241,248,0));transform-origin:top;animation:bh-drip 1.8s ease-in-out infinite}
@keyframes bh-drip{0%{transform:scaleY(0);opacity:1}55%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}
.b1p-hero .bh-foot{position:absolute;z-index:4;left:0;right:0;bottom:0;padding:0 clamp(16px,4vw,56px) 18px;display:flex;align-items:flex-end;gap:32px}
.b1p-hero .bh-steps{flex:1;position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.b1p-hero .bh-rail{position:absolute;left:0;right:0;top:0;height:2px;background:rgba(233,241,248,.14)}
.b1p-hero .bh-rail .bh-fill{height:2px}
.b1p-hero .bh-step{display:flex;align-items:baseline;gap:10px;min-height:44px;padding-top:14px;text-decoration:none;color:#7F93A8;font-size:15px;font-weight:600;transition:color .3s ease}
.b1p-hero .bh-step span{font-family:var(--b1p-font-mono);font-size:11px;font-weight:400;letter-spacing:.1em}
.b1p-hero .bh-step:hover,.b1p-hero .bh-step.is-on{color:var(--b1p-fg)}
.b1p-hero .bh-step.is-done{color:var(--b1p-muted)}
.b1p-hero .bh-opera{display:flex;align-items:center;min-height:44px;padding-top:14px;font-size:11px;letter-spacing:.08em;color:var(--b1p-dim);white-space:nowrap}
.b1p-hero a:focus-visible{outline:2px solid #7CC8FF;outline-offset:3px}
@media (max-width:820px){
  .b1p-hero{--bh-top:84px}
  .b1p-hero .bh-shade{background:linear-gradient(0deg,rgba(7,12,20,.95) 0%,rgba(7,12,20,.75) 34%,rgba(7,12,20,0) 52%),linear-gradient(180deg,rgba(7,12,20,.7) 0%,rgba(7,12,20,0) 18%)}
  .b1p-hero .bh-copy{left:16px;right:16px;width:auto;bottom:128px}
  .b1p-hero .bh-intro{align-self:start}
  .b1p-hero .bh-ph{align-self:end}
  .b1p-hero .bh-ph h2{font-size:40px}
  .b1p-hero .bh-txt{font-size:15px;margin-top:12px}
  .b1p-hero .bh-chips{margin-top:14px}
  .b1p-hero .bh-lead{margin-top:18px;font-size:16px}
  .b1p-hero .bh-foot{flex-direction:column;align-items:stretch;gap:0;padding-bottom:12px}
  .b1p-hero .bh-step{font-size:12px;flex-direction:column;gap:2px;padding-top:10px}
  .b1p-hero .bh-opera{min-height:0;padding-top:6px}
  .b1p-hero .bh-hint{bottom:150px}
}
/* Telefono (sotto i 768 px): due fasce senza sovrapposizione. In alto (55%) solo il canvas, che hero-scroll.js centra
   sulla fascia; in basso (45%) il testo su fondo pieno, poi le fasi. Nessun testo sopra il canvas. */
@media (max-width:767px){
  .b1p-hero .bh-stage{display:grid;grid-template-rows:55% minmax(0,1fr) auto;grid-template-columns:minmax(0,1fr)}
  .b1p-hero .bh-canvas{position:relative;inset:auto;grid-area:1/1;height:100%}
  .b1p-hero .bh-shade{display:none}
  .b1p-hero .bh-copy{position:relative;inset:auto;grid-area:2/1;width:auto;padding:14px 16px 0;background:var(--b1p-bg);align-items:start;grid-template-columns:minmax(0,1fr)}
  .b1p-hero .bh-ph{align-self:start}
  .b1p-hero .bh-num{margin-bottom:8px}
  .b1p-hero .bh-ph h2{font-size:clamp(1.75rem,7.5vw,2.75rem)}
  .b1p-hero .bh-hint{position:relative;inset:auto;grid-area:2/1;align-self:end;justify-self:center;transform:none;padding-bottom:8px}
  .b1p-hero .bh-foot{position:relative;inset:auto;grid-area:3/1;background:var(--b1p-bg)}
  /* legenda e pulsanti su una riga che scorre di lato fino al bordo; meno spazio sopra i pulsanti */
  .b1p-hero .bh-chips,.b1p-hero .bh-cta{flex-wrap:nowrap;overflow-x:auto;margin-right:-16px;padding-right:16px;scrollbar-width:none;overscroll-behavior-x:contain}
  .b1p-hero .bh-chips::-webkit-scrollbar,.b1p-hero .bh-cta::-webkit-scrollbar{display:none}
  .b1p-hero .bh-chip,.b1p-hero .bh-btn{flex:none}
  .b1p-hero .bh-cta{margin-top:14px}
}
/* Telefoni bassi (fino a 830 px di altezza): canvas al 45% */
@media (max-width:767px) and (max-height:830px){
  .b1p-hero .bh-stage{grid-template-rows:45% minmax(0,1fr) auto}
}
@media (prefers-reduced-motion:reduce){
  .b1p-hero .bh-in,.b1p-hero .bh-hint i{animation:none}
}