/* etiket.ai — landing statica, nessun framework, nessuna CDN. */

@font-face {
  font-family: 'Space Grotesk';
  src: url('fonts/space-grotesk-latin.woff2') format('woff2');
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: 'Instrument Sans';
  src: url('fonts/instrument-sans-latin.woff2') format('woff2');
  font-weight: 400 600;
  font-display: swap;
}

:root {
  --carta: #f5f3ec;
  --inchiostro: #0e1512;
  --verde: #1f6b45;
  --lime: #b9f227;
  --testo-tenue: #6b665e;
  --bordo: #ded8ca;
  --bordo-scuro: rgba(245, 243, 236, 0.16);
  --radius: 20px;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);

  --space-xs: 0.875rem;
  --space-sm: 1.5rem;
  --space-md: 2.5rem;
  --space-lg: clamp(3.5rem, 3rem + 2vw, 6rem);
  --space-xl: clamp(5rem, 4rem + 4vw, 9rem);

  --text-lead: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --text-h2: clamp(1.875rem, 1.5rem + 1.6vw, 2.75rem);
  --text-h1: clamp(2.5rem, 1.7rem + 3.5vw, 4.5rem);
  --text-label: clamp(1.5rem, 1.3rem + 1vw, 2rem);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--carta);
  color: var(--inchiostro);
  font-family: 'Instrument Sans', -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; margin: 0; }
p { margin: 0; }
img, svg { display: block; max-width: 100%; }

a { color: var(--verde); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--verde);
  outline-offset: 3px;
}

.contenitore {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

/* --- Marchio -------------------------------------------------------- */

.marchio {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: inherit;
}
.marchio:hover { text-decoration: none; }
.marchio-simbolo { width: 1.6em; height: 1.6em; flex-shrink: 0; fill: currentColor; }
.marchio-scintilla { fill: var(--lime); }
.marchio-testo-accento { opacity: 0.82; }

.sentinella-inizio { position: absolute; top: 0; height: 1px; width: 1px; }

/* --- Header ----------------------------------------------------------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: 1.1rem;
  background: color-mix(in oklch, var(--carta) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease-out-quart);
}
.topbar.e-scorso { border-color: var(--bordo); }
.topbar .marchio { font-size: 1.05rem; }

.topbar-contatto {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--inchiostro);
  padding: 0.5rem 0.6rem;
  border-radius: 999px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.topbar-contatto:hover { background: color-mix(in oklch, var(--inchiostro) 6%, transparent); text-decoration: none; }

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

.hero {
  padding-block: clamp(2.5rem, 4vw, 4rem) var(--space-xl);
}
.hero .contenitore {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}
@media (min-width: 900px) {
  .hero .contenitore {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-md);
  }
  .hero-testo { order: 1; }
  .hero-visivo { order: 2; }
}

.hero-testo h1 {
  font-size: var(--text-h1);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.04;
  text-wrap: balance;
  max-width: 14ch;
}

.hero-lead {
  margin-top: var(--space-sm);
  font-size: var(--text-lead);
  color: color-mix(in oklch, var(--inchiostro) 82%, var(--testo-tenue));
  max-width: 42ch;
  text-wrap: pretty;
}

.hero-azioni { margin-top: var(--space-md); }

.bottone {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 52px;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  white-space: normal;
  transition: transform 0.2s var(--ease-out-quart), box-shadow 0.2s var(--ease-out-quart);
}
.bottone:hover { text-decoration: none; transform: translateY(-1px); }
.bottone:active { transform: translateY(0); }

.bottone--primario {
  background: var(--verde);
  color: var(--carta);
  box-shadow: 0 1px 2px rgba(14, 21, 18, 0.08);
}
.bottone--primario:hover { box-shadow: 0 10px 24px -8px color-mix(in oklch, var(--verde) 55%, transparent); }

.bottone--lime {
  background: var(--lime);
  color: var(--inchiostro);
}
.bottone--lime:hover { box-shadow: 0 10px 28px -6px color-mix(in oklch, var(--lime) 65%, transparent); }

/* --- Oggetto 3D: simbolo hero ------------------------------------------- */

.hero-visivo { display: flex; justify-content: center; }

.palco-3d {
  width: min(320px, 62vw);
  aspect-ratio: 1;
  perspective: 1100px;
}
/* Livello del tilt al puntatore (JS, solo pointer:fine): pilotato via
   inline style separato dal dondolio ambientale, cosi' un'animazione CSS e
   una trasformazione JS non si contendono la stessa proprieta' sullo stesso
   elemento (l'animazione vincerebbe sempre sull'inline style). */
.palco-3d__tilt {
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s var(--ease-out-quart);
}
.palco-3d__oggetto {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  animation: dondolio 9s var(--ease-out-quart) infinite alternate;
}
@keyframes dondolio {
  from { transform: rotateY(-18deg) rotateX(5deg); }
  to   { transform: rotateY(18deg) rotateX(-4deg); }
}
.palco-3d__strato {
  position: absolute;
  inset: 8%;
  transform: translateZ(calc(var(--profondita, 0) * -4.5px));
}
.palco-3d__strato svg { width: 100%; height: 100%; }
.palco-3d__strato :is(path, use) {
  fill: color-mix(in oklch, var(--inchiostro) 100%, var(--verde) calc(var(--profondita, 0) * 11%));
}
.palco-3d__strato--fronte svg { filter: drop-shadow(0 6px 10px rgba(14, 21, 18, 0.18)); }
.palco-3d__strato--fronte .scintilla {
  fill: var(--lime);
  animation: pulsa-scintilla 2.6s var(--ease-out-quart) infinite alternate;
}
@keyframes pulsa-scintilla {
  from { filter: drop-shadow(0 0 0 transparent); }
  to   { filter: drop-shadow(0 0 7px color-mix(in oklch, var(--lime) 75%, transparent)); }
}

/* Profondita' legata allo scroll: mentre l'hero esce dalla vista, il tag
   continua a ruotare — nativo (animation-timeline), nessun listener di
   scroll. Solo dove supportato e solo senza reduced-motion: fuori da
   entrambi i casi il tag resta comunque animato dal dondolio ambientale. */
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .palco-3d {
      animation: recessione-scroll linear both;
      animation-timeline: view();
      animation-range: exit;
    }
  }
}
@keyframes recessione-scroll {
  to { transform: rotate3d(1, 0.4, 0, 22deg) scale(0.85); opacity: 0.7; }
}

/* --- Funzioni (editoriale, niente card identiche) ----------------------- */

.funzioni { padding-block: var(--space-xl); }

.funzioni h2 {
  font-size: var(--text-h2);
  font-weight: 600;
  letter-spacing: -0.025em;
  max-width: 20ch;
  text-wrap: balance;
}

.riga-funzione {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xs);
  padding-block: var(--space-md);
  border-top: 1px solid var(--bordo);
  transition: transform 0.7s var(--ease-out-quart), opacity 0.7s var(--ease-out-quart);
  transition-delay: calc(var(--i, 0) * 100ms);
}
.riga-funzione:last-child { border-bottom: 1px solid var(--bordo); }

/* Stato "innescato" solo via JS (mai nel markup): senza JS o con
   reduced-motion la riga resta sempre nella sua posa finale, gia' visibile —
   mai contenuto nascosto in attesa di uno script. */
.riga-funzione.e-priming {
  opacity: 0;
  transform: perspective(700px) rotateX(-10deg) translateY(16px);
  transition: none;
}

/* Le icone si "disegnano" via stroke-dashoffset (pathLength=1 sugli SVG:
   normalizza path/rect a lunghezza 1, indipendente dalla geometria). */
.riga-funzione__icona :is(path, rect) {
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 0.9s var(--ease-out-quart);
}
.riga-funzione__icona-punto {
  transform-origin: center;
  transition: transform 0.4s var(--ease-out-quart) 0.55s, opacity 0.4s var(--ease-out-quart) 0.55s;
}
.riga-funzione.e-priming .riga-funzione__icona :is(path, rect) {
  stroke-dashoffset: 1;
  transition: none;
}
.riga-funzione.e-priming .riga-funzione__icona-punto {
  opacity: 0;
  transform: scale(0.25);
  transition: none;
}

@media (min-width: 780px) {
  .riga-funzione {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-md);
    align-items: start;
  }
}

.riga-funzione__testata {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.riga-funzione__icona {
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  color: var(--verde);
}
.riga-funzione__titolo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.riga-funzione__testo {
  font-size: var(--text-lead);
  color: color-mix(in oklch, var(--inchiostro) 82%, var(--testo-tenue));
  max-width: 52ch;
  text-wrap: pretty;
}
.riga-funzione:nth-child(2) { margin-inline-start: 0; }
@media (min-width: 780px) {
  .riga-funzione:nth-child(3) .riga-funzione__testo { max-width: 46ch; }
}

/* --- Etichetta come oggetto ---------------------------------------------- */

.mostra {
  padding-block: var(--space-xl);
  background: color-mix(in oklch, var(--verde) 6%, var(--carta));
}
.mostra .contenitore {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}
@media (min-width: 900px) {
  .mostra .contenitore { grid-template-columns: 0.85fr 1.15fr; }
}

.mostra h2 { font-size: var(--text-h2); font-weight: 600; letter-spacing: -0.025em; text-wrap: balance; }
.mostra-testo { max-width: 40ch; }
.mostra-lead {
  margin-top: var(--space-xs);
  font-size: var(--text-lead);
  color: color-mix(in oklch, var(--inchiostro) 82%, var(--testo-tenue));
  text-wrap: pretty;
}

.palco-etichetta {
  perspective: 1400px;
  animation: fluttua-etichetta 6s var(--ease-out-quart) infinite alternate;
}
.palco-etichetta:hover { animation-play-state: paused; }
@keyframes fluttua-etichetta {
  from { transform: translateY(0); }
  to   { transform: translateY(-10px); }
}
.carta-etichetta {
  transform-style: preserve-3d;
  transform: rotateY(0deg) rotateX(0deg);
  /* .5s per l'ingresso e per il rientro al mouseleave; azzerata via JS
     durante il tracking del puntatore per un inseguimento 1:1, non in coda. */
  transition: transform 0.5s var(--ease-out-quart);
  background: #fff;
  border: 1px solid var(--bordo);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  box-shadow: 0 24px 60px -24px rgba(14, 21, 18, 0.28);
  max-width: 420px;
  margin-inline: auto;
}
.carta-etichetta.e-priming {
  transform: translateY(18px) rotateY(22deg) rotateX(-6deg);
  transition: none;
}

.carta-etichetta__intestazione {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-xs);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--inchiostro);
}
.carta-etichetta__nome {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.carta-etichetta__meta { font-size: 0.8rem; color: var(--testo-tenue); margin-top: 0.2rem; }
.carta-etichetta__qr {
  width: 44px; height: 44px;
  border: 2px solid var(--inchiostro);
  border-radius: 6px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 0.5rem;
  line-height: 1.1;
  text-align: center;
  color: var(--testo-tenue);
}

.carta-etichetta__sezione { margin-top: 0.9rem; }
.carta-etichetta__etichettina {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--testo-tenue);
}
.carta-etichetta__ingredienti { font-size: 0.85rem; line-height: 1.55; margin-top: 0.25rem; }
.carta-etichetta__ingredienti .allergene { font-weight: 700; }

.tabella-nutrienti {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.35rem;
  font-size: 0.78rem;
}
.tabella-nutrienti td { padding: 0.2rem 0; border-bottom: 1px solid var(--bordo); }
.tabella-nutrienti td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.tabella-nutrienti tr:last-child td { border-bottom: none; }

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

.piede {
  background: var(--inchiostro);
  color: var(--carta);
  padding-block: var(--space-xl);
}
.piede .marchio { font-size: 1.4rem; }
.piede-riga {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
}
@media (min-width: 780px) {
  .piede-riga { flex-direction: row; align-items: center; justify-content: space-between; }
}
.piede-tagline {
  margin-top: 0.6rem;
  color: color-mix(in oklch, var(--carta) 70%, transparent);
  max-width: 32ch;
}
.piede-fondo {
  margin-top: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--bordo-scuro);
  font-size: 0.8rem;
  color: color-mix(in oklch, var(--carta) 55%, transparent);
}

/* --- Reduced motion: tutto congelato in posa statica --------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .palco-3d__oggetto { animation: none; transform: rotateY(-10deg) rotateX(3deg); }
  .palco-3d__strato--fronte .scintilla { animation: none; }
  .palco-etichetta { animation: none; }
  .carta-etichetta { transition: none; }
  .carta-etichetta.e-priming { transform: none; }
  .riga-funzione.e-priming { opacity: 1; transform: none; }
  .riga-funzione.e-priming .riga-funzione__icona :is(path, rect) { stroke-dashoffset: 0; }
  .riga-funzione.e-priming .riga-funzione__icona-punto { opacity: 1; transform: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}