/* =========================================================
   Tour dello studio — scroll-driven video
   ========================================================= */

@font-face {
  font-family: "Bodoni Moda";
  src: url("assets/fonts/bodoni-moda-normal.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Bodoni Moda";
  src: url("assets/fonts/bodoni-moda-italic.woff2") format("woff2");
  font-weight: 400 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Manrope";
  src: url("assets/fonts/manrope-normal.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("assets/fonts/inter-latin-var.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* ================= LUCENTI — palette =================
     Dal video di riferimento: ambiente scuro e caldo, luce puntuale.
     Unico punto da modificare per cambiare i colori di tutta la demo. */
  --bg-primary: #080506;
  --bg-secondary: #141110;

  --surface-primary: #1E1B1A;
  --surface-elevated: #2F2826;

  --text-primary: #F3F2F2;
  --text-secondary: #C4C3C2;
  --text-muted: #70716D;

  --warm-neutral: #5A544E;
  --sand: #AF9B84;          /* dettagli editoriali, etichette, linee */
  --bronze: #A58349;        /* luce calda, numerazioni, CTA */
  --bronze-light: #BF9D62;

  --accent: #2DA35E;        /* SOLO micro-accenti: stati attivi, indicatori */
  --accent-dark: #193629;

  --steel: #5A6F76;

  /* triplette RGB per le trasparenze */
  --bg-rgb: 8, 5, 6;
  --text-rgb: 243, 242, 242;
  --sand-rgb: 175, 155, 132;
  --bronze-rgb: 165, 131, 73;
  --steel-rgb: 90, 111, 118;
  --accent-rgb: 45, 163, 94;

  /* ruoli */
  --background: var(--bg-primary);
  --surface: var(--surface-primary);
  --surface-raised: var(--surface-elevated);
  --line-soft: rgba(var(--text-rgb), .12);
  --cta-bg: linear-gradient(135deg, var(--bronze-light) 0%, var(--bronze) 55%, #8C6D38 100%);
  --cta-text: var(--bg-primary);

  /* alias usati dalle sezioni (tutti puntano alla palette Lucenti) */
  --brand-primary: var(--bronze);
  --brand-hover: var(--bronze-light);
  --brand-soft: var(--sand);
  --brand-dark: var(--bg-primary);
  --brand-deep: var(--bg-secondary);
  --brand-oak: var(--bronze);
  --brand-glass: var(--steel);
  --navy: var(--bg-primary);
  --navy-deep: var(--bg-secondary);
  --blue: var(--bronze);
  --blue-hover: var(--bronze-light);
  --blue-soft: var(--sand);
  --off: var(--text-primary);
  --white: var(--text-primary);
  --navy-a: var(--bg-rgb);
  --off-86: rgba(var(--text-rgb), .86);
  --off-64: rgba(var(--text-rgb), .64);
  --line: rgba(var(--text-rgb), .16);

  /* ================= LUCENTI — tipografia (direzione "maison") =================
     Display: Bodoni Moda — serif ad alto contrasto per titoli, nomi, numeri, citazioni.
     Testo e interfaccia: Neue Haas Grotesk se disponibile (font a licenza: aggiungere i file
     e verrà usato per primo), poi Helvetica Neue (Apple), poi Manrope (incluso), Inter come ultima riserva. */
  --font-editorial: "Bodoni Moda", "Didot", "Bodoni 72", "Times New Roman", serif;
  --font-display: var(--font-editorial);
  --font: "Neue Haas Grotesk Text Pro", "Neue Haas Grotesk Display Pro", "Neue Haas Unica", "Helvetica Neue", "Manrope", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --pad-x: clamp(1.25rem, 5.5vw, 6rem);
  --edge: clamp(.75rem, 2.4vw, 2.5rem);
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-r: env(safe-area-inset-right, 0px);

  /* lunghezza dello scroll del tour (700–800vh) */
  --tour-length: 760vh;
}

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

html {
  background: var(--navy);
  color: var(--off);
  font-family: var(--font);
  font-feature-settings: normal;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body { margin: 0; background: var(--navy); }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--blue-soft);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Pulsanti ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
  min-height: 3.25rem;
  padding: 0 1.6rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font: 600 1rem/1 var(--font);
  letter-spacing: -.005em;
  text-decoration: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background-color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}

.btn:active { transform: scale(.98); }

.btn--primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 14px 34px -14px rgba(var(--bronze-rgb), .45);
}
.btn--primary:hover { background: var(--blue-hover); }
.btn--primary span { transition: transform .25s var(--ease); }
.btn--primary:hover span { transform: translateX(3px); }

.btn--ghost {
  background: transparent;
  color: var(--off);
  border-color: rgba(var(--text-rgb), .32);
}
.btn--ghost:hover { border-color: var(--off); }

.btn--glass {
  background: rgba(var(--navy-a), .42);
  color: var(--white);
  border-color: rgba(var(--text-rgb), .3);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

/* ---------- Top bar ---------- */

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: calc(var(--safe-t) + clamp(.75rem, 2vw, 1.5rem)) var(--pad-x) 0;
  pointer-events: none;
}
.topbar > * { pointer-events: auto; }

.topbar__brand {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -.015em;
  color: var(--white);
  text-decoration: none;
  text-shadow: 0 1px 16px rgba(var(--navy-a), .35);
}

.topbar__cta {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0 1rem;
  border: 1px solid rgba(var(--text-rgb), .28);
  border-radius: 999px;
  background: rgba(var(--navy-a), .26);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--white);
  font-size: .875rem;
  font-weight: 500;
  text-decoration: none;
  transition: opacity .35s var(--ease), background-color .25s var(--ease), visibility .35s;
}
.topbar__cta:hover { background: rgba(var(--navy-a), .5); }

.topbar.is-at-contact .topbar__cta {
  opacity: 0;
  visibility: hidden;
}

/* ---------- Tour ---------- */

.tour {
  position: relative;
  height: var(--tour-length);
  outline: none;
}

.tour__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100lvh; /* iOS: altezza stabile, non cambia con la barra di Safari */
  overflow: hidden;
  background: var(--navy);
  isolation: isolate;
}

.tour__poster,
.tour__poster img,
.tour__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}
.tour__poster img { display: block; }

.tour__video {
  opacity: 0;
  transition: opacity .6s var(--ease);
  pointer-events: none;
  background: transparent;
}
.tour__video.is-ready { opacity: 1; }

/* Nasconde il pulsante play nativo di iOS */
.tour__video::-webkit-media-controls,
.tour__video::-webkit-media-controls-start-playback-button,
.tour__video::-webkit-media-controls-panel {
  display: none !important; /* override dei controlli nativi WebKit */
  -webkit-appearance: none;
}

.tour__shade,
.tour__shade-end {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.tour__shade {
  background:
    linear-gradient(180deg, rgba(var(--navy-a), .40) 0%, rgba(var(--navy-a), 0) 20%),
    linear-gradient(0deg, rgba(var(--navy-a), .78) 0%, rgba(var(--navy-a), .42) 34%, rgba(var(--navy-a), 0) 64%),
    linear-gradient(90deg, rgba(var(--navy-a), .40) 0%, rgba(var(--navy-a), 0) 60%),
    rgba(var(--navy-a), .08);
}

/* Dissolvenza finale verso la sezione contatti */
.tour__shade-end {
  --end: 0;
  opacity: var(--end);
  background: linear-gradient(0deg, var(--navy) 0%, rgba(var(--navy-a), .7) 26%, rgba(var(--navy-a), 0) 62%);
}

/* Avanzamento del download del video */
.tour__loading {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 5;
  height: 2px;
  pointer-events: none;
  transition: opacity .5s var(--ease);
}
.tour__loading span {
  display: block;
  height: 100%;
  background: var(--blue-soft);
  transform-origin: 0 50%;
  transform: scaleX(var(--load, 0));
  transition: transform .2s linear;
}
.tour__loading.is-done { opacity: 0; }
.no-js .tour__loading { display: none; }

/* Area di contenuto: 100svh, così i testi restano sopra la barra di Safari */
.tour__frame {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 3;
  height: 100vh;
  height: 100svh;
  pointer-events: none;
}

.tour__scenes {
  position: absolute;
  left: var(--pad-x);
  bottom: calc(var(--safe-b) + clamp(6rem, 15svh, 10rem));
  width: min(700px, calc(100% - var(--pad-x) * 2 - 2.5rem));
  height: 0;
}

/* ---------- Scene di testo ---------- */

.scene {
  --in: 0;
  --out: 0;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  text-shadow: 0 1px 28px rgba(var(--navy-a), .32);
}
.scene:first-child { --in: 1; } /* visibile al primo paint, prima dello script */
.scene.is-active { pointer-events: auto; }

/* Ogni elemento entra con un piccolo ritardo (--d): tutto guidato dallo scroll */
.scene > * {
  --d: 0;
  --a: clamp(0, (var(--in) - var(--d)) / .72, 1);
  opacity: calc(var(--a) * (1 - var(--out)));
  transform: translate3d(0, calc((1 - var(--a)) * 22px - var(--out) * 14px), 0);
}
.scene > :nth-child(2) { --d: .1; }
.scene > :nth-child(3) { --d: .2; }
.scene > :nth-child(4) { --d: .28; }

.scene__eyebrow {
  margin: 0 0 1rem;
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .05em;
  font-variant-numeric: tabular-nums;
  color: var(--off);
  text-shadow: 0 1px 10px rgba(var(--navy-a), .6);
}

.scene__title {
  margin: 0;
  font-size: clamp(2.4rem, 1.35rem + 4.4vw, 5.75rem);
  font-weight: 600;
  line-height: .98;
  letter-spacing: -.038em;
  color: var(--white);
  text-wrap: balance;
}

.scene__text {
  max-width: 34rem;
  margin: 1.1rem 0 0;
  font-size: clamp(1rem, .92rem + .32vw, 1.1875rem);
  line-height: 1.5;
  letter-spacing: -.005em;
  color: var(--off-86);
  text-wrap: pretty;
}

.scene__cta { margin: 1.75rem 0 0; }
.scene__cta .btn { text-shadow: none; }

/* ---------- Invito a scorrere ---------- */

.tour__hint {
  --hint: 1;
  position: absolute;
  left: 50%;
  bottom: calc(var(--safe-b) + 1.25rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  margin: 0;
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--off);
  opacity: var(--hint);
  transform: translate3d(-50%, calc((1 - var(--hint)) * 10px), 0);
  white-space: nowrap;
}
.tour__hint i {
  display: block;
  width: 1px;
  height: 2.25rem;
  background: linear-gradient(var(--off), rgba(var(--text-rgb), 0));
  transform-origin: 50% 0;
  animation: hint-line 2.4s var(--ease) infinite;
}
@keyframes hint-line {
  0%   { transform: scaleY(0); opacity: 1; }
  55%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}
.no-js .tour__hint { display: none; }

.tour__unlock {
  position: absolute;
  left: 50%;
  bottom: calc(var(--safe-b) + 1.25rem);
  transform: translateX(-50%);
  pointer-events: auto;
}
.tour__unlock[hidden] { display: none; }

/* ---------- Progress bar verticale ---------- */

.progress {
  position: absolute;
  right: calc(var(--edge) + var(--safe-r));
  top: 50%;
  width: 24px;
  height: min(40svh, 22rem);
  transform: translateY(-50%);
  pointer-events: auto;
}

.progress__track {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.progress__fill {
  --p: 0;
  position: absolute;
  inset: 0;
  background: var(--off);
  transform-origin: 50% 0;
  transform: scaleY(var(--p));
}

.progress__ticks {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.progress__ticks li {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(var(--at) * 100%);
  height: 0;
}
.progress__ticks button {
  position: absolute;
  left: 50%;
  top: 0;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  background: none;
  transform: translate(-50%, -50%);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.progress__ticks button::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--navy);
  box-shadow: 0 0 0 1px rgba(var(--text-rgb), .6);
  transform: translate(-50%, -50%) scale(.6);
  transition: transform .35s var(--ease), background-color .35s var(--ease);
}
.progress__ticks button[aria-current="step"]::after {
  background: var(--off);
  transform: translate(-50%, -50%) scale(1);
}
.progress__ticks button::before {
  content: attr(data-label);
  position: absolute;
  right: calc(100% + .25rem);
  top: 50%;
  padding: .3rem .55rem;
  border-radius: 6px;
  background: rgba(var(--navy-a), .72);
  color: var(--off);
  font: 500 .75rem/1 var(--font);
  white-space: nowrap;
  opacity: 0;
  transform: translate(4px, -50%);
  transition: opacity .2s var(--ease), transform .2s var(--ease);
  pointer-events: none;
}
.progress__ticks button:hover::before,
.progress__ticks button:focus-visible::before {
  opacity: 1;
  transform: translate(0, -50%);
}

/* ---------- Contatti ---------- */

.contact {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100vh;
  min-height: 100svh;
  padding: calc(var(--safe-t) + 6rem) var(--pad-x) 4rem;
  background: var(--navy);
  outline: none;
}

.contact__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: end;
  width: 100%;
  max-width: 76rem;
  margin: 0 auto;
}

.contact__title {
  margin: 0;
  font-size: clamp(2.6rem, 1.4rem + 4.6vw, 5.5rem);
  font-weight: 600;
  line-height: .98;
  letter-spacing: -.04em;
  color: var(--white);
}

.contact__lead {
  max-width: 32rem;
  margin: 1.25rem 0 0;
  font-size: clamp(1rem, .92rem + .3vw, 1.1875rem);
  line-height: 1.55;
  color: var(--off-86);
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 2rem;
}

.contact__info {
  display: grid;
  gap: 1.5rem;
  margin: 0;
}
.contact__info > div {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.contact__info dt {
  margin-bottom: .45rem;
  font-size: .8125rem;
  font-weight: 500;
  color: var(--blue-soft);
}
.contact__info dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--off);
}
.contact__info a {
  text-decoration: underline;
  text-decoration-color: rgba(var(--text-rgb), .35);
  text-underline-offset: 3px;
}
.contact__info a:hover { text-decoration-color: var(--off); }

.contact__replay {
  grid-column: 1 / -1;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--off-64);
  font: 500 .9375rem/1 var(--font);
  text-decoration: underline;
  text-decoration-color: rgba(var(--text-rgb), .3);
  text-underline-offset: 4px;
  cursor: pointer;
  transition: color .2s var(--ease);
}
.contact__replay:hover { color: var(--off); }

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

.legal {
  padding: 2rem var(--pad-x) calc(var(--safe-b) + 2rem);
  border-top: 1px solid var(--line);
  background: var(--navy);
  color: var(--off-64);
  font-size: .8125rem;
  line-height: 1.6;
}
.legal p { max-width: 76rem; margin: 0 auto .25rem; }
.legal strong { color: var(--off); font-weight: 500; }
.legal__links { display: flex; gap: 1.25rem; padding-top: .5rem; }

/* ---------- Mobile ---------- */

@media (max-width: 760px) {
  :root { --tour-length: 720vh; }

  .tour__shade {
    background:
      linear-gradient(180deg, rgba(var(--navy-a), .42) 0%, rgba(var(--navy-a), 0) 18%),
      linear-gradient(0deg, rgba(var(--navy-a), .86) 0%, rgba(var(--navy-a), .52) 34%, rgba(var(--navy-a), 0) 62%),
      rgba(var(--navy-a), .1);
  }

  .tour__scenes {
    bottom: calc(var(--safe-b) + clamp(6.5rem, 14svh, 7.75rem));
    width: calc(100% - var(--pad-x) * 2 - 1.25rem);
  }

  .tour__hint { gap: .6rem; font-size: .625rem; }
  .tour__hint i { height: 1.5rem; }

  .scene__eyebrow { margin-bottom: .75rem; font-size: .75rem; }
  .scene__title { font-size: clamp(2.1rem, 9.6vw, 2.9rem); line-height: 1.02; }
  .scene__text { margin-top: .85rem; font-size: 1rem; line-height: 1.45; max-width: 30rem; }
  .scene__cta { margin-top: 1.4rem; }
  .scene__cta .btn { width: 100%; min-height: 3.5rem; }

  .topbar__brand { font-size: .9375rem; }
  .topbar__cta { min-height: 2.25rem; padding: 0 .85rem; font-size: .8125rem; }

  .progress {
    right: calc(.5rem + var(--safe-r));
    height: 24svh;
    opacity: .75;
  }
  .progress__ticks button { pointer-events: none; }

  .contact { align-items: flex-start; padding-top: calc(var(--safe-t) + 5.5rem); }
  .contact__inner { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .contact__actions .btn { flex: 1 1 100%; min-height: 3.5rem; }
}

@media (pointer: coarse) {
  .progress__ticks button { pointer-events: none; }
}

/* ---------- Senza JavaScript ---------- */

.no-js .tour { height: auto; }
.no-js .tour__stage { position: relative; height: 100vh; height: 100svh; }
.no-js .scene:not(:first-child),
.no-js .progress { display: none; }

/* ---------- Movimento ridotto ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scene > * { transform: none; }
  .tour__hint { transform: translateX(-50%); }
  .tour__hint i { animation: none; transform: none; }
  .tour__video { transition: none; }
  .btn, .btn--primary span { transition: none; }
}