/* Testata, navigazione, barra azioni mobile, piede pagina */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    backdrop-filter var(--duration-normal) var(--ease-out);
}

.site-header.is-stuck {
  background: rgba(6, 6, 8, 0.86);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  min-height: 5rem;
}

/* Marchio ricostruito in tipografia: geometrico sottile, molto spaziato */
.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  margin-inline-end: auto;
  min-width: 0;
}

.brand__mark {
  display: block;
  width: 76px;
  flex: none;
}

@media (min-width: 48rem) {
  .brand__mark {
    width: 104px;
  }
}

.brand__mark img {
  width: 100%;
  height: auto;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.15rem;
  letter-spacing: var(--track-wordmark);
  text-transform: uppercase;
  color: var(--white);
  line-height: 1;
}

.brand__sub {
  display: block;
  font-family: var(--font-text);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: none;
  color: var(--silver-faint);
  margin-top: 0.35rem;
  white-space: nowrap;
}

/* Sotto i 384px il sottotitolo non ci sta e spinge fuori il pulsante del menu */
@media (max-width: 23.99rem) {
  .brand__sub {
    display: none;
  }
}

.nav {
  display: none;
}

.nav ul {
  display: flex;
  gap: clamp(1rem, 2.2vw, 2rem);
}

.nav a {
  position: relative;
  white-space: nowrap;
  font-size: var(--text-small);
  color: var(--silver);
  text-decoration: none;
  padding-block: 0.35rem;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--white);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.header__actions {
  display: none;
  align-items: center;
  gap: 1rem;
}

.lang-group {
  display: inline-flex;
  gap: 0.35rem;
}

.lang {
  font-size: var(--text-micro);
  letter-spacing: 0.12em;
  color: var(--silver-dim);
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 0.35rem 0.55rem;
  transition: color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.lang:hover {
  color: var(--white);
  border-color: var(--line-strong);
}

.burger {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  margin-inline-end: -0.75rem;
  background: none;
  border: 1px solid var(--line);
  color: var(--white);
  cursor: pointer;
}

.burger span {
  display: block;
  width: 20px;
  height: 1px;
  background: currentColor;
  transition: transform var(--duration-fast) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out);
}

.burger span + span {
  margin-top: 6px;
}

.burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}

.burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-3.5px) rotate(-45deg);
}

.mobile-nav {
  border-top: 1px solid var(--line);
  background: rgba(6, 6, 8, 0.97);
  backdrop-filter: blur(14px);
  padding: 1rem var(--shell-pad) 2rem;
}

.mobile-nav a {
  display: block;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line-faint);
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--white);
  text-decoration: none;
}

.mobile-nav .lang-group {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

/* Marchio + menu + lingue + pulsante stanno insieme solo da 1152px in su.
   Prima si usa il menu a scomparsa, che contiene già tutto. */
@media (min-width: 72rem) {
  .nav,
  .header__actions {
    display: flex;
  }

  .burger {
    display: none;
  }
}

/* Il numero di telefono nella barra alta entra solo quando avanza spazio */
.header__phone {
  display: none;
}

@media (min-width: 86rem) {
  .header__phone {
    display: inline-flex;
  }
}

/* Barra azioni fissa su telefono: è da qui che arrivano le chiamate */
.action-bar {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 45;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  background: rgba(6, 6, 8, 0.94);
  backdrop-filter: blur(14px);
}

.action-bar a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--white);
  text-decoration: none;
}

.action-bar a + a {
  border-inline-start: 1px solid var(--line);
}

.action-bar svg {
  width: 18px;
  height: 18px;
}

@media (min-width: 72rem) {
  .action-bar {
    display: none;
  }
}

/* Piede pagina */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--ink-950);
  padding-top: clamp(3rem, 2rem + 4vw, 5rem);
  padding-bottom: 6rem;
  position: relative;
  z-index: 2;
}

.footer__grid {
  display: grid;
  gap: var(--space-block);
  grid-template-columns: 1fr;
}

.footer__col h3 {
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 1rem;
}

.footer__col a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.footer__col a:hover {
  color: var(--white);
  border-bottom-color: var(--line-strong);
}

.footer__col li + li {
  margin-top: 0.6rem;
}

.footer__legal {
  margin-top: clamp(2.5rem, 2rem + 2vw, 4rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: var(--text-micro);
  color: var(--silver-faint);
}

.footer__legal p {
  max-width: none;
}

@media (min-width: 48rem) {
  .site-footer {
    padding-bottom: clamp(3rem, 2rem + 3vw, 4rem);
  }

  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}