/* ==========================================================================
   Base — reset, tipografia, utilità di layout condivise
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

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

/* height:auto evita che gli attributi width/height deformino l'immagine
   quando la larghezza viene ridotta dal layout. */
img,
svg,
video { max-width: 100%; height: auto; display: block; }

a {
  color: var(--c-accent);
  text-decoration: none;
  transition: color var(--t-fast);
}
a:hover { color: var(--c-accent-dark); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -0.01em; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

::selection {
  background: var(--c-brass-light);
  color: var(--c-ink-deep);
}

:focus-visible {
  outline: 3px solid var(--c-brass);
  outline-offset: 2px;
}

/* --- Contenitori --------------------------------------------------------- */

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

/* Stacco più corto sopra e leggermente più ampio sotto: le sezioni non
   sembrano "staccate" dal contenuto che le precede. */
.section {
  padding: var(--sp-7) 0 var(--sp-8);
  position: relative;
}
.section--alt { background: var(--c-paper-alt); }
.section--ink { background: var(--c-ink); color: #fff; }

@media (max-width: 720px) {
  .section { padding: var(--sp-6) 0 var(--sp-7); }
}

/* --- Intestazione di sezione --------------------------------------------- */

.section-head {
  max-width: 680px;
  margin-bottom: var(--sp-6);
}
.section-head--wide { max-width: none; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-brass);
  margin: 0 0 1.2em;
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: currentColor;
  flex: none;
}
.eyebrow .num {
  font-family: var(--font-mono);
  color: var(--c-ink-soft);
  letter-spacing: 0.1em;
}

.section--ink .eyebrow { color: var(--c-brass-light); }
.section--ink .eyebrow .num { color: rgba(255, 255, 255, 0.5); }

.lead {
  font-size: 1.06rem;
  color: var(--c-ink-soft);
  max-width: 44em;
}

/* --- Utilità ------------------------------------------------------------- */

.muted { color: var(--c-ink-soft); }
.small { font-size: var(--fs-small); }
.rule {
  border: 0;
  border-top: 1px solid var(--c-line);
  margin: var(--sp-6) 0;
}
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Lista con spunte */
.ticks {
  list-style: none;
  margin: 0 0 1.6em;
  padding: 0;
  display: grid;
  gap: 0.65em;
}
.ticks li {
  display: flex;
  gap: 0.7em;
  align-items: baseline;
  font-size: 0.96rem;
}
.ticks .tick {
  color: var(--c-accent);
  font-weight: 700;
  flex: none;
}

/* --- Rivelazione allo scroll --------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Un numero di telefono spezzato a metà («02 267 00 / 429») non si legge. */
a[href^="tel:"] { white-space: nowrap; }