/* =====================================================================
   DORAH.LIVE · landing
   Stessa lingua visiva della console: nero assoluto OLED, grigi puri,
   il colore è STATO (ciano = segnale, verde = go, giallo = armed,
   rosso = danger). Display: Archivo variabile (wdth 62–125).
   ===================================================================== */

@font-face {
  font-family: 'Archivo';
  src: url('fonts/archivo-var.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;

  --bg-app: #000000;
  --bg-panel: #0B0B0C;
  --bg-raised: #131315;
  --bg-inset: #050506;
  --bg-hover: #1B1B1E;

  --border: #2A2A2C;
  --border-strong: #6F6F6F;
  --border-subtle: rgba(255, 255, 255, .07);

  --text-1: #E9E9E7;
  --text-2: #ACACA8;
  --text-3: #7F7F7B;

  --accent: #35B5FF;
  --accent-hover: #5CC4FF;
  --primary-fill: #0E86D4;
  --primary-fill-hover: #1E9AE8;
  --on-fill: #ffffff;
  --ok: #3FB950;
  --warn: #D29922;
  --warn-fill: #FFC53D;
  --warn-ink: #1A1306;
  --danger: #F85149;

  --key-bg: #0F0F10;
  --key-bg-pressed: #0A0A0B;

  --font-ui: 'Archivo', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  --r-md: 6px;
  --r-lg: 8px;

  --measure: 62ch;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  --ease-out: cubic-bezier(.16, 1, .3, 1); /* expo-out */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg-app);
  color: var(--text-1);
  font-family: var(--font-ui);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(53, 181, 255, .28); }

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

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

h1, h2, h3 { text-wrap: balance; line-height: 1.08; }
p { text-wrap: pretty; }

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

.wrap {
  width: min(1120px, 100% - 2 * var(--gutter));
  margin-inline: auto;
}

/* ------------------------------------------------------------------ */
/* Topbar                                                              */
/* ------------------------------------------------------------------ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg-app) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: .8rem;
}

.wordmark {
  font-weight: 900;
  font-stretch: 125%;
  font-size: 1.25rem;
  letter-spacing: .22em;
  margin-right: -.22em; /* compensa il tracking sull'ultima lettera */
  color: var(--text-1);
  text-transform: uppercase;
}
.wordmark:hover { color: var(--text-1); }

.topbar nav {
  display: flex;
  align-items: center;
  gap: clamp(.75rem, 2vw, 1.5rem);
  font-size: .9rem;
}

.lang-switch {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: .3rem .6rem;
}
.lang-switch:hover { border-color: var(--border-strong); color: var(--text-1); }

/* ------------------------------------------------------------------ */
/* Bottoni — la lingua dei tasti della console                          */
/* ------------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1rem;
  padding: .8rem 1.5rem;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .1s ease;
}

.btn-primary {
  background: var(--primary-fill);
  color: var(--on-fill);
}
.btn-primary:hover { background: var(--primary-fill-hover); color: var(--on-fill); }
.btn-primary:active { transform: translateY(1px); }

.btn-ghost {
  background: var(--key-bg);
  border-color: var(--border);
  color: var(--text-1);
}
.btn-ghost:hover { border-color: var(--border-strong); color: var(--text-1); }

.btn-small { font-size: .85rem; padding: .45rem .9rem; }

/* ------------------------------------------------------------------ */
/* Hero                                                                */
/* ------------------------------------------------------------------ */

.hero {
  min-height: calc(100svh - 57px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(4rem, 12vh, 8rem) clamp(3rem, 8vh, 5rem);
}

.hero h1 {
  font-size: clamp(2.5rem, 5.2vw + 1rem, 5.5rem);
  font-weight: 800;
  font-stretch: 116%;
  letter-spacing: -.015em;
  text-transform: uppercase;
  max-width: 18ch;
}

.hero h1 .line {
  display: block;
  overflow: clip;
}

.hero h1 .line > span {
  display: block;
  transform: translateY(0);
}

.hero h1 .accent { color: var(--accent); }

.hero .sub {
  margin-top: 2rem;
  max-width: var(--measure);
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  color: var(--text-2);
}
.hero .sub strong { color: var(--text-1); font-weight: 600; }

.hero .cta-row {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta-hint {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text-3);
}

.hero .protocols {
  margin-top: clamp(3rem, 9vh, 6rem);
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--text-3);
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1.4rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.1rem;
}
.hero .protocols b { color: var(--text-2); font-weight: 500; }

/* entrance — parte visibile senza JS: la classe .will-rise è nel markup
   ma agisce solo sotto html.js (aggiunta in <head>, prima del paint) */
.js .will-rise .line > span { transform: translateY(110%); }
.js .risen .line > span {
  transform: translateY(0);
  transition: transform .9s var(--ease-out);
}
.js .risen .line:nth-child(2) > span { transition-delay: .08s; }
.js .risen .line:nth-child(3) > span { transition-delay: .16s; }

.hero .sub, .hero .cta-row, .hero .protocols { opacity: 1; }
.js .will-rise .sub, .js .will-rise .cta-row, .js .will-rise .protocols { opacity: 0; }
.js .risen .sub, .js .risen .cta-row, .js .risen .protocols {
  opacity: 1;
  transition: opacity .8s ease .45s;
}

/* ------------------------------------------------------------------ */
/* Sezioni                                                             */
/* ------------------------------------------------------------------ */

section { padding-block: clamp(4rem, 12vh, 7.5rem); }

section h2 {
  font-size: clamp(1.7rem, 2.6vw + .5rem, 2.75rem);
  font-weight: 800;
  font-stretch: 116%;
  text-transform: uppercase;
  letter-spacing: -.01em;
  max-width: 24ch;
}

section .lead {
  margin-top: 1.25rem;
  max-width: var(--measure);
  color: var(--text-2);
  font-size: 1.0625rem;
}
section .lead strong { color: var(--text-1); font-weight: 600; }

/* ------------------------------------------------------------------ */
/* Demo conversazione                                                  */
/* ------------------------------------------------------------------ */

.demo-panel {
  margin-top: 2.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.demo-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .55rem .9rem;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--text-3);
}
.demo-titlebar .live-dot { color: var(--ok); }

.demo-chat {
  padding: clamp(1.1rem, 3vw, 1.8rem);
  background: var(--bg-inset);
  display: grid;
  gap: 1.1rem;
  font-size: .98rem;
}

.msg { display: grid; gap: .3rem; max-width: 68ch; }
.msg .who {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-3);
}
.msg.ai .who { color: var(--accent); }
.msg .txt { color: var(--text-1); }
.msg.op .txt { color: var(--text-2); font-style: italic; }
.msg .txt .okline { color: var(--ok); font-family: var(--font-mono); font-size: .9em; }

/* cursore del typing */
.typing-caret::after {
  content: '▍';
  color: var(--accent);
  animation: caret-blink 1s steps(1) infinite;
}
@keyframes caret-blink { 50% { opacity: 0; } }

/* frammento di cue sheet — se non ci sta, scorre nel suo contenitore */
.cuesheet {
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: .84rem;
  font-variant-numeric: tabular-nums;
  overflow-x: auto;
}
.cuesheet .row {
  display: grid;
  grid-template-columns: 2.6rem minmax(7rem, 1fr) 3.6rem 3.4rem minmax(13rem, 15rem);
  gap: .6rem;
  padding: .55rem .9rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-2);
  align-items: baseline;
  min-width: 36rem;
  white-space: nowrap;
}
.cuesheet .row.head {
  color: var(--text-3);
  font-size: .7rem;
  letter-spacing: .08em;
}
.cuesheet .row.active {
  color: var(--text-1);
  background: rgba(53, 181, 255, .07);
  box-shadow: inset 2px 0 0 var(--accent);
}
.cuesheet .row:last-child { border-bottom: none; }
.cuesheet .fx { color: var(--warn-fill); }
.cuesheet .go { color: var(--ok); font-weight: 700; }

.demo-caption {
  margin-top: 1.1rem;
  font-size: .92rem;
  color: var(--text-3);
  max-width: var(--measure);
}

/* ------------------------------------------------------------------ */
/* Motore — bench realtime (stessa anatomia della vista Network)       */
/* ------------------------------------------------------------------ */

.bench {
  margin-top: 2.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.bench .stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem 2rem;
  padding: 1.2rem 1.4rem 1rem;
  background: var(--bg-inset);
}

.bench .stat .k {
  display: block;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-3);
}
.bench .stat .v {
  display: block;
  margin-top: .25rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  color: var(--text-1);
}
.bench .stat .v small { font-size: .6em; color: var(--text-2); }

.bench .load {
  padding: .4rem 1.4rem 1.2rem;
  background: var(--bg-inset);
}
.bench .load .track {
  height: 6px;
  border-radius: 3px;
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}
.bench .load .fill {
  width: 23%;
  height: 100%;
  background: var(--ok);
}
.bench .load .lbl {
  margin-top: .5rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--text-2);
}

.bench .src {
  padding: .6rem 1.4rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--text-3);
}

/* ------------------------------------------------------------------ */
/* Screenshot                                                          */
/* ------------------------------------------------------------------ */

.shots { display: grid; gap: 1.5rem; margin-top: 2.5rem; }

.shot {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.shot .bar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .5rem .9rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-3);
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
}
.shot .bar b { color: var(--text-2); font-weight: 500; }

.shot img { width: 100%; height: auto; }

.shot figcaption {
  padding: .8rem .9rem;
  font-size: .9rem;
  color: var(--text-2);
  border-top: 1px solid var(--border-subtle);
}

.shots .pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* galleria del tour completo: griglia 2 colonne, la vista in evidenza a tutta riga */
.shots.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(480px, 100%), 1fr));
  gap: 1.5rem;
}
.shots.gallery .shot.wide { grid-column: 1 / -1; }
.shots.gallery figcaption { font-size: .85rem; }

/* ------------------------------------------------------------------ */
/* Standard — lista spec                                               */
/* ------------------------------------------------------------------ */

.specs {
  margin-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.spec {
  display: grid;
  grid-template-columns: minmax(9rem, 14rem) 1fr;
  gap: 1rem 2rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.spec dt {
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--text-1);
  letter-spacing: .02em;
}
.spec dt small { display: block; color: var(--text-3); font-size: .74rem; margin-top: .15rem; }

.spec dd { color: var(--text-2); font-size: .98rem; max-width: 58ch; }

@media (max-width: 640px) {
  .spec { grid-template-columns: 1fr; gap: .3rem; }
}

/* ------------------------------------------------------------------ */
/* Blind-first — il tasto ARMED                                        */
/* ------------------------------------------------------------------ */

.safety {
  background: var(--bg-panel);
  border-block: 1px solid var(--border);
}

.safety .cols {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
@media (max-width: 820px) {
  .safety .cols { grid-template-columns: 1fr; }
}

.keydemo {
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}

.keydemo .hint {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--text-3);
  text-align: center;
  min-height: 2.4em;
}
.keydemo .hint .done { color: var(--ok); }

.bigkey {
  font-family: var(--font-ui);
  font-weight: 700;
  font-stretch: 110%;
  font-size: 1.05rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--danger);
  background: var(--key-bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.3rem 2.6rem;
  cursor: pointer;
  transition: box-shadow .2s ease, border-color .2s ease, color .2s ease;
}
.bigkey:hover { border-color: var(--border-strong); }
.bigkey:active { background: var(--key-bg-pressed); }

.bigkey.armed {
  color: var(--warn-ink);
  background: var(--warn-fill);
  border-color: var(--warn-fill);
  box-shadow: 0 0 0 1px var(--warn-fill), inset 0 0 14px rgba(0, 0, 0, .25);
  animation: armed-pulse 1s ease-in-out infinite;
}
@keyframes armed-pulse {
  50% { box-shadow: 0 0 18px 2px rgba(255, 197, 61, .35), inset 0 0 14px rgba(0, 0, 0, .25); }
}

/* ------------------------------------------------------------------ */
/* Proof band                                                          */
/* ------------------------------------------------------------------ */

.proof p {
  font-size: clamp(1.5rem, 3.2vw + .4rem, 3rem);
  font-weight: 800;
  font-stretch: 112%;
  line-height: 1.18;
  text-transform: uppercase;
  letter-spacing: -.01em;
  max-width: 26ch;
}
.proof .num {
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
.proof small {
  display: block;
  margin-top: 1.4rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 400;
  color: var(--text-3);
  letter-spacing: .04em;
  text-transform: none;
}

/* ------------------------------------------------------------------ */
/* Waitlist                                                            */
/* ------------------------------------------------------------------ */

.waitlist {
  border-top: 1px solid var(--border);
  text-align: center;
}
.waitlist h2 { margin-inline: auto; }
.waitlist .lead { margin-inline: auto; }
.waitlist .cta-row {
  margin-top: 2.2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ------------------------------------------------------------------ */
/* Footer                                                              */
/* ------------------------------------------------------------------ */

footer {
  border-top: 1px solid var(--border-subtle);
  padding-block: 2rem 3rem;
  font-size: .85rem;
  color: var(--text-3);
}
footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: baseline;
}
footer .fm { font-family: var(--font-mono); font-size: .78rem; }

/* ------------------------------------------------------------------ */
/* Reveal on scroll (solo screenshot) — visibili di default;           */
/* il JS attiva .reveal-armed prima del paint solo se può osservare    */
/* ------------------------------------------------------------------ */

.reveal-armed .shot { opacity: 0; transform: translateY(18px); }
.reveal-armed .shot.in {
  opacity: 1;
  transform: none;
  transition: opacity .7s ease, transform .7s var(--ease-out);
}

/* ------------------------------------------------------------------ */
/* Reduced motion                                                      */
/* ------------------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .will-rise .line > span,
  .js .will-rise .sub, .js .will-rise .cta-row, .js .will-rise .protocols { transform: none; opacity: 1; }
  .js .risen .line > span, .js .risen .sub, .js .risen .cta-row, .js .risen .protocols { transition: none; }
  .reveal-armed .shot { opacity: 1; transform: none; transition: none; }
  .bigkey.armed { animation: none; }
  .typing-caret::after { animation: none; }
}