/* ══════════════════════════════════════════════════════════════════════════
   Vetrina delle demo — pagina indice.
   Usa la lingua visiva del portfolio (Segnale: carta scura, arancio, mono),
   non quella delle demo: chi arriva qui deve capire di essere in casa mia.
   ══════════════════════════════════════════════════════════════════════════ */

:root {
  --vt-bg: #0b0b0c;
  --vt-bg-alt: #121110;
  --vt-surface: #161513;
  --vt-fg: #f2f0ec;
  --vt-muted: #aea89f;
  --vt-line: rgba(242, 240, 236, 0.09);
  --vt-line-forte: rgba(242, 240, 236, 0.18);
  --vt-signal: #e8560d;
  --vt-ink: #141311;
  --vt-display: "Space Grotesk", system-ui, sans-serif;
  --vt-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
  --vt-gutter: clamp(1.25rem, 4vw, 4.5rem);
  --vt-colonna: min(82rem, 100%);
  --vt-ritmo: clamp(4rem, 9vw, 8rem);
  --vt-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
  margin: 0;
  background: var(--vt-bg);
  color: var(--vt-fg);
  font-family: var(--vt-display);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.06rem);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }
figure { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--vt-signal); color: var(--vt-ink); }
:focus-visible { outline: 2px solid var(--vt-signal); outline-offset: 3px; }

.vt-salta {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 60;
  padding: 0.7rem 1.1rem;
  background: var(--vt-signal);
  color: var(--vt-ink);
  font-family: var(--vt-mono);
  font-size: 0.72rem;
  transform: translateY(-160%);
  transition: transform 0.24s var(--vt-ease);
}
.vt-salta:focus-visible { transform: none; }

/* ── testata ──────────────────────────────────────────────────────────── */

.vt-testata {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem var(--vt-gutter);
  background: color-mix(in srgb, var(--vt-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--vt-line);
}
.vt-marchio {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.vt-marchio > span:first-child {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  background: var(--vt-signal);
  color: var(--vt-ink);
  font-size: 0.82rem;
  font-weight: 700;
}
.vt-marchio__eti {
  font-family: var(--vt-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--vt-muted);
}
.vt-marchio:hover .vt-marchio__eti { color: var(--vt-fg); }
.vt-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.6rem, 2vw, 1.6rem);
  font-family: var(--vt-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.vt-nav a { padding: 0.55rem 0; color: var(--vt-muted); transition: color 0.24s var(--vt-ease); }
.vt-nav a:hover { color: var(--vt-fg); }
.vt-nav__cta {
  padding: 0.62rem 0.95rem !important;
  background: var(--vt-signal);
  color: var(--vt-ink) !important;
  font-weight: 500;
}
.vt-nav__cta:hover { background: var(--vt-fg); }
@media (max-width: 34rem) {
  .vt-marchio__eti { display: none; }
  .vt-nav a:not(.vt-nav__cta) { display: none; }
}

/* ── apertura ─────────────────────────────────────────────────────────── */

main > section {
  width: var(--vt-colonna);
  margin-inline: auto;
  padding: var(--vt-ritmo) var(--vt-gutter);
}
main > section + section { border-top: 1px solid var(--vt-line); }

.vt-briciole {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 clamp(1.4rem, 3vw, 2.2rem);
  font-family: var(--vt-mono);
  font-size: 0.7rem;
  color: var(--vt-muted);
}
.vt-briciole a:hover { color: var(--vt-signal); }
.vt-briciole [aria-current] { color: var(--vt-fg); }

.vt-titolo {
  container-type: inline-size;
  margin: 0;
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.038em;
}
.vt-titolo .vt-riga { font-size: clamp(2.1rem, 8.6cqi, 5.4rem); }
.vt-riga { display: block; overflow: hidden; padding-bottom: 0.04em; }
.vt-riga > span { display: block; }
html.js .vt-riga > span { transform: translateY(103%); }

.vt-apre__corpo {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
  margin-top: clamp(1.8rem, 4vw, 2.8rem);
}
.vt-guida {
  margin: 0;
  max-width: 38rem;
  color: var(--vt-muted);
  font-size: clamp(1.02rem, 0.98rem + 0.3vw, 1.16rem);
}
.vt-guida--stretta { max-width: 42rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.vt-guida strong { color: var(--vt-fg); }

.vt-cifre {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--vt-line);
  border: 1px solid var(--vt-line);
}
.vt-cifre > div { padding: clamp(0.9rem, 2vw, 1.2rem); background: var(--vt-bg); }
.vt-cifre dt {
  font-family: var(--vt-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--vt-muted);
}
.vt-cifre dd {
  margin-top: 0.35rem;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}
@media (min-width: 56rem) {
  .vt-apre__corpo { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: start; }
  .vt-cifre { grid-template-columns: repeat(2, 1fr); }
}

/* ── elenco ───────────────────────────────────────────────────────────── */

.vt-sottotitolo {
  margin: 0;
  font-family: var(--vt-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vt-signal);
}
.vt-elenco__testa {
  display: grid;
  gap: 1.4rem;
  margin-bottom: clamp(1.8rem, 4vw, 2.6rem);
}
.vt-filtri { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.vt-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.5rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--vt-line-forte);
  font-family: var(--vt-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--vt-muted);
  transition: color 0.24s var(--vt-ease), border-color 0.24s var(--vt-ease), background 0.24s var(--vt-ease);
}
.vt-chip em { font-style: normal; opacity: 0.6; }
.vt-chip:hover { color: var(--vt-fg); border-color: var(--vt-fg); }
.vt-chip.is-on {
  background: var(--vt-signal);
  border-color: var(--vt-signal);
  color: var(--vt-ink);
}
.vt-chip.is-on em { opacity: 0.75; }

.vt-griglia { display: grid; gap: clamp(1rem, 2.4vw, 1.6rem); }
.vt-scheda[hidden] { display: none; }
.vt-scheda > a {
  display: grid;
  height: 100%;
  background: var(--vt-bg-alt);
  border: 1px solid var(--vt-line);
  transition: border-color 0.3s var(--vt-ease), transform 0.4s var(--vt-ease);
}
.vt-scheda > a:hover {
  border-color: var(--vt-signal);
  transform: translateY(-3px);
}
.vt-scheda__media { overflow: hidden; background: var(--vt-surface); }
.vt-scheda__media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.6s var(--vt-ease), filter 0.4s var(--vt-ease);
  filter: saturate(0.9);
}
.vt-scheda > a:hover .vt-scheda__media img { transform: scale(1.03); filter: none; }
.vt-scheda__testo { padding: clamp(1.1rem, 2.4vw, 1.5rem); }
.vt-scheda__eti {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.7rem;
  font-family: var(--vt-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vt-muted);
}
.vt-scheda__eti span {
  padding: 0.12rem 0.42rem;
  background: var(--vt-signal);
  color: var(--vt-ink);
  font-weight: 500;
}
.vt-scheda h3 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.16rem, 1.05rem + 0.6vw, 1.55rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.028em;
}
.vt-scheda__desc { margin: 0; color: var(--vt-muted); font-size: 0.92rem; }
.vt-scheda__meta {
  margin: 1rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--vt-line);
  font-family: var(--vt-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--vt-muted);
}
.vt-vuoto {
  margin: 2rem 0 0;
  font-family: var(--vt-mono);
  font-size: 0.8rem;
  color: var(--vt-muted);
}

@media (min-width: 44rem) {
  .vt-griglia { grid-template-columns: repeat(2, 1fr); }
  .vt-scheda--larga { grid-column: 1 / -1; }
  .vt-scheda--larga > a { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
  .vt-scheda--larga .vt-scheda__testo { align-self: center; }
  .vt-scheda--larga .vt-scheda__media img { height: 100%; aspect-ratio: auto; min-height: 16rem; }
}
@media (min-width: 74rem) {
  .vt-griglia { grid-template-columns: repeat(3, 1fr); }
  .vt-elenco__testa {
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 2rem;
  }
  .vt-filtri { justify-content: flex-end; }
}

/* ── cosa c'è dentro ──────────────────────────────────────────────────── */

.vt-lista { display: grid; gap: 1px; background: var(--vt-line); border: 1px solid var(--vt-line); counter-reset: voce; }
.vt-lista li {
  padding: clamp(1.2rem, 2.8vw, 1.8rem);
  background: var(--vt-bg);
  counter-increment: voce;
}
.vt-lista h3 {
  margin: 0 0 0.6rem;
  font-size: 1.06rem;
  font-weight: 600;
  letter-spacing: -0.018em;
}
.vt-lista h3::before {
  content: "0" counter(voce);
  display: block;
  margin-bottom: 0.7rem;
  font-family: var(--vt-mono);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--vt-signal);
}
.vt-lista p { margin: 0; color: var(--vt-muted); font-size: 0.92rem; }
@media (min-width: 46rem) { .vt-lista { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 76rem) { .vt-lista { grid-template-columns: repeat(3, 1fr); } }

/* ── onestà ───────────────────────────────────────────────────────────── */

.vt-onesta { background: var(--vt-bg-alt); }
.vt-onesta__corpo {
  display: grid;
  gap: 1.2rem;
  margin: clamp(1.6rem, 3.4vw, 2.4rem) 0 clamp(2rem, 4vw, 2.8rem);
}
.vt-onesta__corpo p { margin: 0; max-width: 42rem; color: var(--vt-muted); }
.vt-onesta__corpo strong { color: var(--vt-fg); }
@media (min-width: 62rem) { .vt-onesta__corpo { grid-template-columns: repeat(3, 1fr); gap: 2rem; } }

.vt-bottone {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  min-height: 3.1rem;
  padding: 0.85rem 1.35rem;
  background: var(--vt-signal);
  color: var(--vt-ink);
  font-family: var(--vt-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.3s var(--vt-ease), gap 0.3s var(--vt-ease);
}
.vt-bottone:hover { background: var(--vt-fg); gap: 1.4rem; }

/* ── piede ────────────────────────────────────────────────────────────── */

.vt-piede {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: var(--vt-colonna);
  margin-inline: auto;
  padding: clamp(2rem, 4vw, 3rem) var(--vt-gutter);
  border-top: 1px solid var(--vt-line);
  font-family: var(--vt-mono);
  font-size: 0.7rem;
  color: var(--vt-muted);
}
.vt-piede p { margin: 0; }
.vt-piede nav { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.vt-piede a { padding: 0.35rem 0; }
.vt-piede a:hover { color: var(--vt-signal); }

/* ── stati iniziali del motion ────────────────────────────────────────── */

html.js .vt-scheda,
html.js .vt-cifre > div,
html.js .vt-lista li,
html.js .vt-onesta__corpo p,
html.js .vt-guida { opacity: 0; }

@media (prefers-reduced-motion: reduce) {
  html.js .vt-riga > span { transform: none; }
  html.js .vt-scheda,
  html.js .vt-cifre > div,
  html.js .vt-lista li,
  html.js .vt-onesta__corpo p,
  html.js .vt-guida { opacity: 1; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}