/* Sezione #hero: vedi CONTRATTO.md. Selettori sempre prefissati da #hero.
   Telefono prima: titolo, sottotitolo, demo, pulsanti in colonna.
   Da 60em: titolo largo sopra, sotto due colonne 38/62 come il mirino. */

/* stati iniziali solo con JS e movimento consentito (li scopre hero.js) */
#hero [data-reveal-manual]:is(.js:not(.reduced) *){opacity:0}

#hero .hero{position:relative}

/* ---------- titolo ---------- */
#hero .hero__head{display:grid;gap:var(--s-4);margin-bottom:clamp(1.25rem, .8rem + 2vw, 3rem)}
#hero .hero__kicker{color:var(--muted)}
#hero .hero__title{font-size:clamp(2.05rem, 1.15rem + 4.7vw, 6.5rem);letter-spacing:-.04em;line-height:1;max-width:none;text-wrap:nowrap}
#hero .hero__title .line{white-space:nowrap}
#hero .hero__title .line + .line{color:var(--ink)}

/* ---------- corpo ---------- */
#hero .hero__body{display:flex;flex-direction:column;gap:var(--stack)}
#hero .hero__lead{max-width:34rem}
/* telefono: i pulsanti prima della demo, cosi' nella prima schermata ci stanno tutti e due */
#hero .hero__actions{order:2}
#hero .hero-stage{order:3}

/* ---------- il palco della demo ---------- */
#hero .hero-stage{position:relative;margin:0;padding:var(--s-4) var(--s-4) var(--s-4);background:var(--surface);border:var(--rule);border-radius:var(--radius-lg);box-shadow:var(--shadow);isolation:isolate}
#hero .hero-stage__meta{display:flex;justify-content:space-between;align-items:center;gap:var(--s-3);color:var(--muted);min-height:1.5rem}
#hero .hero-stage__state{display:inline-flex;align-items:center;gap:.6em}
#hero .hero-stage__state::before{content:"";width:2px;height:1em;background:var(--accent);transform-origin:50% 100%;transition:transform var(--dur) var(--ease-out)}
#hero .hero-stage__count{letter-spacing:.06em}

/* lo schermo: la parola che arriva. Tocca per mettere in pausa */
#hero .hero-stage__screen{position:relative;margin-block:var(--s-4) var(--s-2);cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
#hero .hero-stage__demo{--word-size:clamp(2.3rem, 1.5rem + 3.6vw, 4.75rem);min-height:calc(52px + 1.5em)}
#hero .hero-stage__demo .reticle__rule{transform-origin:var(--hero-origin, 40%) 50%}
#hero .hero-stage__demo .reticle__notch{transform-origin:50% 50%}
#hero .hero-stage__demo.is-playing .reticle__w,
#hero .hero-stage__demo:not(.is-idle) .reticle__w{opacity:1}
#hero .hero-stage__demo .reticle__w{transition:none}
#hero .hero-stage.is-paused .hero-stage__demo .reticle__w{opacity:.62}
#hero .hero-stage.is-paused .hero-stage__demo .reticle__w--p{opacity:1}

/* l'ingresso: una riga normale che si ferma e si raccoglie nel punto */
#hero .hero-intro{position:absolute;inset:0;overflow:hidden;pointer-events:none;display:none}
#hero .hero-intro.is-on{display:block}
#hero .hero-intro__line{position:absolute;left:0;top:50%;margin:0;white-space:nowrap;font-size:var(--fs-lead);line-height:1.4;color:var(--ink);transform:translateY(-50%)}
#hero .hero-intro__w{display:inline-block;will-change:transform,opacity}
#hero .hero-intro__eye{position:absolute;left:0;top:0;width:100px;height:2px;background:var(--accent);transform-origin:0 50%;opacity:0;will-change:transform}

/* il rigo che scorre sotto il punto fermo */
#hero .hero-strip{position:relative;height:2.6rem;display:flex;align-items:center;margin-top:var(--s-1);--hero-anchor:40%}
#hero .hero-strip__track{gap:.36em;font-size:var(--fs-small);line-height:1;color:var(--muted);transform:translate3d(0,0,0);transition:transform var(--hero-strip-t, .3s) var(--ease-out);will-change:transform}
#hero .hero-strip__w{transition:color var(--dur-fast) ease, opacity var(--dur-fast) ease}
#hero .hero-strip__w.is-past{opacity:.45}
#hero .hero-strip__w.is-now{color:var(--ink)}
#hero .hero-strip__notch{position:absolute;left:var(--hero-anchor);width:2px;height:7px;background:var(--accent);transform:translateX(-1px);z-index:1}
#hero .hero-strip__notch--top{top:0}
#hero .hero-strip__notch--bot{bottom:0}

/* comandi */
#hero .hero-controls{display:flex;align-items:center;gap:var(--s-2);margin-top:var(--s-3);padding-top:var(--s-3);border-top:var(--rule)}
#hero .hero-controls .btn--icon{flex:none}
#hero .hero-controls__play{border-color:var(--line-strong)}
#hero .hero-controls__play[aria-pressed="true"]{border-color:var(--accent);color:var(--accent)}
#hero .hero-ico{width:20px;height:20px;fill:currentColor}
#hero .hero-ico--line{fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
#hero .hero-ico--pause{display:none}
#hero .hero-controls__play[aria-pressed="true"] .hero-ico--pause{display:block}
#hero .hero-controls__play[aria-pressed="true"] .hero-ico--play{display:none}

#hero .hero-speed{flex:1;min-width:0;padding-left:var(--s-2)}
#hero .hero-speed__label{display:block;color:var(--muted);letter-spacing:.08em;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#hero .hero-speed__k{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
#hero .hero-speed__out{color:var(--ink);font-weight:500;display:inline-block;min-width:2.6ch;text-align:right}
#hero .hero-speed__track{position:relative}
#hero .hero-speed__range{position:relative;z-index:1;margin:0;height:40px}
/* la zona consigliata 250-350 sopra il cursore (min 100, max 1000) */
#hero .hero-speed__band{position:absolute;top:50%;height:12px;margin-top:-6px;left:calc(11px + (100% - 22px) * .1667);width:calc((100% - 22px) * .1111);border-left:2px solid var(--accent);border-right:2px solid var(--accent);background:var(--accent-soft);border-radius:2px;transition:background-color var(--dur) ease}
#hero .hero-speed.is-out .hero-speed__band{background:transparent}
#hero .hero-speed__note{margin-top:var(--s-1);max-width:none;transition:color var(--dur) ease}
#hero .hero-stage.is-fast .hero-speed__note{color:var(--ink)}

#hero .hero-stage__caption{margin-top:var(--s-3);padding-top:var(--s-3);border-top:var(--rule);color:var(--muted)}

/* ---------- pulsanti ---------- */
#hero .hero__actions{display:grid;gap:var(--s-3)}
#hero .hero__actions .cluster{gap:var(--s-3)}
#hero .hero__actions .btn{flex:1 1 auto}
#hero .hero__down{transition:transform var(--dur) var(--ease-out)}
#hero .hero__more:hover .hero__down{transform:translateY(3px)}
#hero .hero__micro{display:flex;align-items:center;gap:.6em}
#hero .hero__micro::before{content:"";width:2px;height:1em;background:var(--accent);flex:none}

/* ---------- telefono stretto ---------- */
@media (max-width:23.4em){
  #hero .hero-stage{padding:var(--s-3)}
  #hero .hero-speed__label{font-size:.68rem;letter-spacing:.04em}
}

/* ---------- tablet ---------- */
@media (min-width:36em){
  #hero .hero-speed__k{position:static;width:auto;height:auto;overflow:visible;clip:auto}
  #hero .hero__actions .btn{flex:0 0 auto}
  #hero .hero-stage{padding:var(--s-5) var(--s-6) var(--s-5)}
}

/* ---------- desktop: 38/62 come il mirino ---------- */
@media (min-width:60em){
  #hero .hero__body{display:grid;grid-template-columns:minmax(0,38fr) minmax(0,62fr);grid-template-areas:"lead stage" "actions stage" ". stage";grid-template-rows:auto auto 1fr;column-gap:clamp(2rem, 1rem + 3vw, 5rem);row-gap:var(--s-7);align-items:start}
  #hero .hero__title{font-size:clamp(4rem, 1rem + 5.6vw, 7.5rem)}
  #hero .hero__lead{grid-area:lead;padding-top:var(--s-5)}
  #hero .hero-stage{grid-area:stage;padding:var(--s-6) var(--s-7) var(--s-5)}
  #hero .hero__actions{grid-area:actions;order:0}
  #hero .hero-stage{order:0}
  #hero .hero__actions .cluster{flex-direction:column;align-items:flex-start}
  #hero .hero-stage__screen{margin-block:var(--s-6) var(--s-3)}
}
@media (min-width:80em){
  #hero .hero__actions .cluster{flex-direction:row}
}

/* movimento ridotto: niente scorrimento morbido del rigo */
@media (prefers-reduced-motion: reduce){
  #hero .hero-strip__track{transition:none}
}