/* ==========================================================================
   FRENETIC — sito
   I colori non sono scelti qui: sono presi da src/frenetic/web/style.css,
   cioe' dall'interfaccia vera. La fiamma (oro -> arancio -> rosso) e' il
   linguaggio del prodotto; il rosso alla base e' il #D01F33 di Ranocchi.
   Tema unico scuro, per scelta: FRENETIC non ha una versione chiara.
   ========================================================================== */

:root {
  --ink:        #0B0B0D;
  --ink-raised: #131316;
  --paper:      #F4EEE4;
  --ash:        #96897E;
  --ash-dim:    #6B625B;

  --flame-high: #F7B23B;
  --flame-mid:  #FF8A3C;
  --flame-low:  #D01F33;
  --flame: linear-gradient(180deg, var(--flame-high), var(--flame-mid) 55%, var(--flame-low));

  --rule:        rgba(244, 238, 228, 0.10);
  --rule-strong: rgba(244, 238, 228, 0.20);
  --glow:        rgba(255, 138, 60, 0.13);

  --sans: 'Inter', 'Inter var', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, 'Cascadia Mono', 'Cascadia Code', 'SF Mono', 'Segoe UI Mono', Consolas, monospace;

  --gutter: clamp(20px, 5vw, 48px);
  --spine: 1080px;

  --step-1: clamp(0.82rem, 0.8rem + 0.1vw, 0.88rem);
  --step-0: clamp(1rem, 0.97rem + 0.15vw, 1.08rem);
  --step-1u: clamp(1.2rem, 1.1rem + 0.4vw, 1.45rem);
  --step-2: clamp(1.5rem, 1.3rem + 0.9vw, 2.1rem);
  --step-3: clamp(2.1rem, 1.7rem + 1.9vw, 3.4rem);
  --step-4: clamp(2.8rem, 1.9rem + 4.2vw, 6rem);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* L'alone di fondo: la stanza buia con una sola sorgente di luce. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(58% 46% at 50% 12%, var(--glow), transparent 68%);
  pointer-events: none;
  z-index: 0;
  /* Si sposta molto meno della pagina: la luce sembra restare nella stanza
     mentre il testo le scorre davanti. Il valore lo scrive fluidita.js. */
  transform: translate3d(0, var(--scorrimento, 0px), 0);
  will-change: transform;
}

.wrap { position: relative; z-index: 1; }

h1, h2, h3 {
  font-weight: 800;
  letter-spacing: -0.028em;
  line-height: 1.08;
  text-wrap: balance;
  margin: 0;
}

p { margin: 0; }
a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--flame-mid);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- micro-etichette: la voce "macchina" del documento ------------------ */
.tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ash-dim);
  display: block;
}

.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* --- impalcatura -------------------------------------------------------- */
.band { padding: clamp(64px, 9vw, 128px) var(--gutter); }
.band + .band { border-top: 1px solid var(--rule); }
.spine { max-width: var(--spine); margin: 0 auto; }
.prose { max-width: 63ch; }

.head { display: flex; flex-direction: column; gap: 14px; margin-bottom: clamp(36px, 5vw, 60px); }
.head h2 { font-size: var(--step-3); }
.head p { color: var(--ash); max-width: 58ch; font-size: var(--step-1u); line-height: 1.5; }

/* ======================= HERO ============================================ */
.hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 72px var(--gutter) 56px;
  text-align: center;
}
.hero-in { display: flex; flex-direction: column; align-items: center; gap: 4px; }

.orb-wrap { width: min(46vmin, 340px); height: min(46vmin, 340px); position: relative; }
#orb { width: 100%; height: 100%; display: block; }

/* Lo stato sotto l'orb replica quello dell'interfaccia vera. */
.state { height: 1.5em; margin-top: 10px; }
.state span {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ash-dim);
  transition: color 420ms ease;
}
.state[data-s="ascolto"] span { color: var(--flame-mid); }
.state[data-s="penso"]   span { color: var(--flame-high); }
.state[data-s="parlo"]   span {
  background: var(--flame);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.wordmark {
  font-size: var(--step-4);
  font-weight: 900;
  letter-spacing: -0.05em;
  margin-top: 18px;
}
.wordmark b {
  font-weight: 900;
  background: var(--flame);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  font-size: var(--step-1u);
  color: var(--paper);
  max-width: 34ch;
  margin-top: 16px;
  line-height: 1.45;
}
.hero-note { color: var(--ash); max-width: 46ch; margin-top: 16px; font-size: var(--step-1); }

.cue {
  margin-top: 30px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 9px 18px 9px 14px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--paper);
  background: rgba(255, 138, 60, 0.06);
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--flame-mid);
  box-shadow: 0 0 0 4px var(--glow);
  animation: beat 2.4s ease-in-out infinite;
}
@keyframes beat { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* Il pulsante d'ingresso. Funziona solo sul computer dove FRENETIC gira
   davvero (punta a 127.0.0.1): altrove il browser mostra il proprio errore
   di connessione, per questo l'etichetta lo dice chiaramente invece di
   promettere qualcosa che non puo' mantenere per chi guarda il sito da
   fuori. */
.enter {
  margin-top: 16px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 12px 26px;
  border-radius: 999px;
  background: var(--flame);
  color: var(--ink);
  font-weight: 700;
  font-size: var(--step-1);
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 8px 24px rgba(255, 138, 60, 0.22);
}
.enter:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(255, 138, 60, 0.32); }
.enter span {
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: rgba(11, 11, 13, 0.62);
}

/* La transizione mostrata quando si arriva con ?wake=1: copre la pagina
   mentre il server locale finisce di svegliarsi, poi la pagina naviga da
   sola verso l'app vera. Nascosta di default, attivata dallo script. */
.entering {
  position: fixed; inset: 0;
  display: none;
  place-items: center;
  background: var(--ink);
  z-index: 10;
}
.entering.on { display: grid; cursor: pointer; }
.entering-in { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.entering-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--flame);
  animation: entra-pulsa 900ms ease-in-out infinite;
}
.entering-in span {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}
@keyframes entra-pulsa { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.5); opacity: 0.5; } }

/* ======================= DECISIONI ======================================= */
.decisions { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 760px) { .decisions { grid-template-columns: 1fr 1fr; } }

.dec { background: var(--ink); padding: clamp(26px, 3.4vw, 40px); display: flex; flex-direction: column; gap: 12px; }
.dec h3 { font-size: var(--step-1u); letter-spacing: -0.02em; }
.dec p { color: var(--ash); font-size: var(--step-1); line-height: 1.6; }
.dec .tag { color: var(--flame-mid); opacity: 0.85; }

/* ======================= CATENA ========================================== */
.chain { display: grid; gap: 14px; }
@media (min-width: 900px) { .chain { grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; } }

.node {
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 22px;
  background: var(--ink-raised);
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.node h4 { margin: 0; font-size: var(--step-0); font-weight: 700; letter-spacing: -0.01em; }
.node ul { margin: 4px 0 0; padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; }
.node li { font-family: var(--mono); font-size: 0.78rem; color: var(--ash); }
.node li::before { content: '·'; color: var(--flame-mid); margin-right: 8px; }

.arrow {
  display: grid;
  place-items: center;
  color: var(--flame-mid);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 4px 0;
}
.arrow i { font-style: normal; opacity: 0.5; }
@media (max-width: 899px) { .arrow { transform: rotate(90deg); } }

/* ======================= VELOCITA' ======================================= */
.race { display: flex; flex-direction: column; gap: 26px; }

.lane { display: grid; grid-template-columns: 76px 1fr; gap: 16px; align-items: center; }
@media (max-width: 620px) { .lane { grid-template-columns: 60px 1fr; gap: 10px; } }

.lane-name {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ash-dim);
  text-align: right;
}
.lane[data-lane="adesso"] .lane-name { color: var(--paper); }

.track {
  position: relative;
  height: 52px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--ink-raised);
  display: flex;
  overflow: hidden;
}
.seg {
  height: 100%;
  width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-right: 1px solid rgba(11, 11, 13, 0.6);
  transition: width 60ms linear;
}
.seg em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.68rem;
  color: rgba(11, 11, 13, 0.86);
  font-weight: 700;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 200ms ease;
}
.seg.wide em { opacity: 1; }
.seg[data-k="silenzio"]    { background: #6B625B; }
.seg[data-k="trascrizione"]{ background: var(--flame-low); }
.seg[data-k="modello"]     { background: var(--flame-mid); }
.seg[data-k="sintesi"]     { background: var(--flame-high); }
.seg[data-k="trascrizione"] em { color: rgba(244, 238, 228, 0.92); }
.seg[data-k="silenzio"] em     { color: rgba(244, 238, 228, 0.92); }

/* Il cronometro e' posizionato in assoluto e la sua larghezza si adatta al
   contenuto: senza nowrap la "s" finisce a capo sotto le cifre. */
.clock {
  position: absolute; top: 0; bottom: 0;
  display: flex; align-items: center;
  white-space: nowrap;
  padding-left: 12px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--paper);
  pointer-events: none;
  transition: left 60ms linear;
}

.race-foot { display: flex; flex-wrap: wrap; gap: 20px 26px; align-items: center; justify-content: space-between; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.legend b { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 0.72rem; font-weight: 400; color: var(--ash); }
.legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

.replay {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  padding: 9px 18px;
  cursor: pointer;
  transition: background 200ms ease, border-color 200ms ease;
}
.replay:hover { background: rgba(255, 138, 60, 0.10); border-color: var(--flame-mid); }

.gain { margin-top: 34px; color: var(--ash); font-size: var(--step-1); max-width: 62ch; }
.gain strong { color: var(--paper); font-weight: 600; }

/* --- tabella dati ------------------------------------------------------- */
.scroller { overflow-x: auto; margin-top: 34px; }
table { border-collapse: collapse; width: 100%; min-width: 460px; font-size: var(--step-1); }
caption {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ash-dim);
  padding-bottom: 14px;
}
th, td { text-align: left; padding: 13px 16px 13px 0; border-bottom: 1px solid var(--rule); }
thead th { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ash-dim); font-weight: 400; }
td.n, th.n { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
tbody tr:last-child td { border-bottom: none; }
tr.pick td { color: var(--paper); }
tr.pick td:first-child::after {
  content: 'predefinito';
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--flame-mid); margin-left: 12px;
}
td small { color: var(--ash); display: block; font-size: 0.86em; }

/* ======================= COPPIE (modalita' / ruoli) ====================== */
.pair { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 820px) { .pair { grid-template-columns: 1fr 1fr; } }

.half { background: var(--ink); padding: clamp(28px, 3.6vw, 44px); display: flex; flex-direction: column; gap: 14px; }
.half h3 { font-size: var(--step-2); }
.half > p { color: var(--ash); font-size: var(--step-1); }
.half .tag { color: var(--flame-mid); }

.facts { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.facts li { display: grid; grid-template-columns: 96px 1fr; gap: 14px; font-size: var(--step-1); align-items: baseline; }
.facts b {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ash-dim); font-weight: 400;
}
.facts span { color: var(--paper); }
@media (max-width: 480px) { .facts li { grid-template-columns: 1fr; gap: 2px; } }

/* ======================= PERIMETRO ======================================= */
.perim { display: grid; gap: clamp(26px, 4vw, 52px); }
@media (min-width: 940px) { .perim { grid-template-columns: 1.05fr 1fr; align-items: start; } }

/* I figli di una griglia hanno min-width:auto, cioe' non scendono sotto la
   larghezza del loro contenuto: il <pre> del codice allargava la sua colonna
   e schiacciava l'altra, e il suo overflow-x non entrava mai in funzione. */
.perim > * { min-width: 0; }

.code {
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--ink-raised);
  padding: 22px 24px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.85;
  color: var(--ash);
}
.code b { color: var(--flame-high); font-weight: 400; }
.code u { color: var(--paper); text-decoration: none; }
.code s { color: var(--ash-dim); text-decoration: none; }

.nots { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 16px; }
.nots li { padding-left: 26px; position: relative; color: var(--ash); font-size: var(--step-1); }
.nots li::before {
  content: '×';
  position: absolute; left: 0; top: -1px;
  color: var(--flame-low);
  font-family: var(--mono); font-size: 1.05rem; font-weight: 700;
}
.nots strong { color: var(--paper); font-weight: 600; }

/* ======================= MANCANZE ======================================= */
.gaps { list-style: none; padding: 0; margin: 0; display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.gaps li { background: var(--ink); padding: clamp(22px, 2.8vw, 32px); display: grid; grid-template-columns: 42px 1fr; gap: 18px; }
.gaps .k {
  font-family: var(--mono); font-size: 0.9rem; font-variant-numeric: tabular-nums;
  color: var(--flame-mid); padding-top: 2px;
}
.gaps h4 { margin: 0 0 7px; font-size: var(--step-0); font-weight: 700; }
.gaps p { color: var(--ash); font-size: var(--step-1); }
@media (max-width: 480px) { .gaps li { grid-template-columns: 1fr; gap: 8px; } }

/* ======================= CHIUSURA ======================================= */
.close-in { display: flex; flex-direction: column; gap: 22px; align-items: flex-start; }
.close-in h2 { font-size: var(--step-3); }
.shell {
  width: 100%;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--ink-raised);
  padding: 20px 24px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 2;
  color: var(--paper);
}
.shell span { color: var(--flame-mid); user-select: none; }
.shell em { font-style: normal; color: var(--ash-dim); }

footer { padding: 40px var(--gutter) 56px; border-top: 1px solid var(--rule); }
.foot-in {
  max-width: var(--spine); margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; align-items: baseline;
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; color: var(--ash-dim);
}
.foot-in b { color: var(--ash); font-weight: 400; }

/* ======================= RIVELAZIONI ==================================== */
/* Le rivelazioni allo scorrimento. 420ms e 12px, non 620 e 18: con lo
   scostamento grande e la durata lunga si legge come uno SCORRIMENTO, e lo
   scorrimento in una pagina che scorre gia' e' rumore. Piccolo e rapido si
   legge come una dissolvenza — la pagina sembra rispondere invece di
   riprodurre un'animazione. */
.rise {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 420ms ease-out,
              transform 420ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--ritardo, 0ms);
  will-change: opacity, transform;
}
.rise.in { opacity: 1; transform: none; }
/* Finita l'entrata si toglie will-change: tenerlo acceso su tutta la pagina
   costa memoria video per un'animazione che non ripartira' piu'. */
.rise.finita { will-change: auto; }

@media (prefers-reduced-motion: reduce) {
  .rise { opacity: 1; transform: none; transition: none; }
  .dot, .entering-dot { animation: none; }
  .seg, .clock { transition: none; }
}