/* ============================================================
   LAYOUT — impianto editoriale
   Griglie asimmetriche, filetti al posto delle scatole, spazio
   negativo come separatore. Niente card dentro card.
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--section-x);
}
.container--stretto { max-width: 780px; }

.section        { padding-block: var(--section-y); }
.section--tight { padding-block: var(--section-y-tight); }

/* Filetto di sezione: separa senza disegnare una scatola */
.filetto { border-top: 1px solid var(--c-hairline); }

/* Fasce centrate su entrambi gli assi, celle di altezza uguale */
.band { display: grid; place-items: center; text-align: center; }
.band > .container { display: grid; justify-items: center; gap: var(--space-4); }
.band p { margin-inline: auto; }

/* ---------- GRIGLIE ---------- */
.grid     { display: grid; gap: var(--gap-grid); align-items: stretch; }
.grid > * { min-width: 0; }
@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}

/* Due colonne editoriali: il testo non occupa mai meta' esatta,
   e' quello che distingue una pagina impaginata da una griglia. */
.editoriale { display: grid; gap: var(--space-6); align-items: start; }
@media (min-width: 900px) {
  .editoriale {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 72px);
  }
  .editoriale--invertito { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  /* Il testo resta primo nel DOM (si legge prima su telefono) e passa
     a destra solo da desktop in su. */
  .editoriale--invertito > :first-child { order: 2; }
  .editoriale--invertito > :last-child  { order: 1; }
  .editoriale__testo { position: sticky; top: 104px; }
}

/* ============================================================
   INTESTAZIONE DI SEZIONE — una sola forma in tutto il sito
   ============================================================ */
.testata {
  display: grid; gap: var(--space-3);
  margin-bottom: var(--space-7);
  max-width: 60ch;
}
.testata p { color: var(--c-text-muted); }
.testata--centro { margin-inline: auto; text-align: center; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: hsl(336 10% 7% / .78);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-base) var(--ease),
              border-color var(--dur-base) var(--ease);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header { background: var(--c-bg); }
}
.site-header.is-scrolled {
  background: hsl(336 10% 7% / .92);
  border-bottom-color: var(--c-hairline);
}

.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
  min-height: 72px;
}

.brand {
  display: inline-flex; align-items: center; gap: var(--space-3);
  text-decoration: none; color: var(--c-text);
  padding-block: var(--space-2);
}
.brand__mark { width: auto; height: 40px; object-fit: contain; flex: none; }
.brand__name {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.0625rem; line-height: 1.1; letter-spacing: -0.02em;
  font-variation-settings: "opsz" 30;
}
.brand__name span {
  display: block;
  font-family: var(--font-body); font-weight: 700;
  font-size: 0.625rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--c-accent); margin-top: 4px;
}
.brand:hover .brand__name { color: var(--c-accent); }

/* ---------- NAVIGAZIONE ---------- */
.nav__list {
  list-style: none; display: flex; align-items: center;
  gap: var(--space-6); margin: 0; padding: 0;
}
.nav a {
  position: relative; display: inline-block;
  color: var(--c-text-muted); text-decoration: none;
  font-weight: 500; font-size: var(--text-small);
  padding: 10px 2px;
  transition: color var(--dur-fast) var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 1.5px;
  background: var(--c-accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav a:hover { color: var(--c-text); }
.nav a[aria-current="page"] { color: var(--c-text); }
.nav a:hover::after,
.nav a[aria-current="page"]::after { transform: scaleX(1); }

/* piu' specifico di .btn in components.css, che e' caricato dopo */
.site-header .header__cta { display: none; }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 46px; min-width: 46px;
  background: transparent; color: var(--c-text);
  border: 1px solid var(--c-border-strong); border-radius: var(--r-full);
  padding: 0 var(--space-4); cursor: pointer;
  font: 600 var(--text-small)/1 var(--font-body);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease),
              transform var(--dur-press) var(--ease);
}
.nav-toggle:hover  { border-color: var(--c-accent); color: var(--c-accent); }
.nav-toggle:active { transform: scale(.97); }
.nav-toggle__bars { display: block; width: 18px; height: 12px; position: relative; }
.nav-toggle__bars::before, .nav-toggle__bars::after, .nav-toggle__bars i {
  content: ""; position: absolute; left: 0; right: 0; height: 1.5px; border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-fast) var(--ease);
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars i       { top: 5px; }
.nav-toggle__bars::after  { top: 10px; }
[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(5px) rotate(45deg); }
[aria-expanded="true"] .nav-toggle__bars i       { opacity: 0; }
[aria-expanded="true"] .nav-toggle__bars::after  { transform: translateY(-5px) rotate(-45deg); }

/* ---------- MOBILE: menu a scomparsa ---------- */
@media (max-width: 899px) {
  .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    background: hsl(336 10% 7% / .97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--c-hairline);
    display: grid;
    grid-template-rows: 0fr;
    visibility: hidden;
    transition: grid-template-rows var(--dur-slow) var(--ease-out),
                visibility 0s linear var(--dur-slow);
  }
  .nav__inner  { overflow: hidden; }
  .nav.is-open { grid-template-rows: 1fr; visibility: visible;
                 transition: grid-template-rows var(--dur-slow) var(--ease-out),
                             visibility 0s linear 0s; }
  .nav__list {
    flex-direction: column; align-items: stretch;
    gap: 0; padding: var(--space-2) var(--section-x) var(--space-5);
  }
  .nav__list li + li { border-top: 1px solid var(--c-hairline); }
  .nav a {
    display: flex; align-items: center; min-height: 56px;
    font-size: var(--text-lg); font-weight: 500; color: var(--c-text);
  }
  .nav a::after { bottom: 14px; }
}

@media (min-width: 900px) {
  .nav-toggle  { display: none; }
  .nav         { visibility: visible; }
  .site-header .header__cta { display: inline-flex; }
}

/* ============================================================
   BARRA CTA FISSA — solo mobile
   ============================================================ */
.cta-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: var(--z-overlay);
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2);
  padding: var(--space-3) var(--space-3);
  padding-bottom: calc(var(--space-3) + env(safe-area-inset-bottom, 0px));
  background: hsl(336 10% 7% / .94);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-top: 1px solid var(--c-hairline);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .cta-bar { background: var(--c-bg); }
}
.cta-bar .btn { width: 100%; min-height: 50px; padding-inline: var(--space-3); }
body { padding-bottom: 78px; }

@media (min-width: 900px) {
  .cta-bar { display: none; }
  body     { padding-bottom: 0; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { border-top: 1px solid var(--c-hairline); }
.site-footer__grid {
  display: grid; gap: var(--space-8);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-8); }
}
.footer-logo { width: min(240px, 66%); height: auto; }
.site-footer h2 {
  font-family: var(--font-body); font-weight: 700;
  font-size: var(--text-caption); letter-spacing: .14em; text-transform: uppercase;
  color: var(--c-text-muted); margin: 0 0 var(--space-4);
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.site-footer li { font-size: var(--text-small); color: var(--c-text-muted); }
.site-footer a  {
  color: var(--c-text); text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.site-footer a:hover { color: var(--c-accent); }
.site-footer__legal {
  margin-top: var(--space-8); padding-top: var(--space-5);
  border-top: 1px solid var(--c-hairline);
  display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5);
  align-items: center; justify-content: space-between;
  color: var(--c-text-muted); font-size: var(--text-caption);
}