/* ─────────────────────────────────────────────────────────────
   main.css – Eugenio Minio
   CSS condiviso tra tutte le pagine del sito.
   Caricato da header.php via <link>.
───────────────────────────────────────────────────────────── */

/* ── Font families ──────────────────────────────────────────── */
body { font-family: 'Fira Sans', system-ui, sans-serif; }
h1, h2, h3, .font-serif { font-family: 'Libre Baskerville', Georgia, serif; }


/* ── Animazioni scroll (IntersectionObserver in animations.js) ── */

.anim {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity   0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.anim.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Fade + scale per le immagini */
.anim-img {
  opacity: 0;
  transform: scale(0.97);
  transition:
    opacity   0.9s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.anim-img.visible {
  opacity: 1;
  transform: scale(1);
}

/* Ritardi per lo stagger di gruppo */
.anim-d1 { transition-delay: 0.10s; }
.anim-d2 { transition-delay: 0.20s; }
.anim-d3 { transition-delay: 0.30s; }
.anim-d4 { transition-delay: 0.40s; }


/* ── Anchor offset – compensa l'header sticky ──────────────── */
/*    Mobile: header fisso 80px | Desktop: header iniziale 120px  */

#pianificazione-finanziaria,
#gestione-investimenti,
#previdenza-protezione {
  scroll-margin-top: 80px;
}

@media (min-width: 1024px) {
  #pianificazione-finanziaria,
  #gestione-investimenti,
  #previdenza-protezione {
    scroll-margin-top: 120px;
  }
}


/* ── Header scroll shrink ───────────────────────────────────── */

#header-inner {
  transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

header.is-scrolled #header-inner {
  height: 80px;
}


/* ── Hamburger – tre lineette ───────────────────────────────── */

.ham-line {
  display: block;
  width: 22px;
  height: 1.5px;
  background: white;
  border-radius: 2px;
  transform-origin: center;
  transition:
    transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
    opacity   0.20s ease;
}

/* Apertura → X elastica */
#menu-toggle.is-open .ham-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#menu-toggle.is-open .ham-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0.2);
}
#menu-toggle.is-open .ham-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* ── Overlay fullscreen mobile ──────────────────────────────── */

#mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: #161C3D;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 80px; /* altezza header mobile */
  opacity: 0;
  visibility: hidden;
  transform: scale(0.97) translateY(-10px);
  transition:
    opacity    0.45s cubic-bezier(0.16, 1, 0.3, 1),
    transform  0.45s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s   linear 0.45s;
}
#mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: scale(1) translateY(0);
  transition:
    opacity    0.45s cubic-bezier(0.16, 1, 0.3, 1),
    transform  0.45s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s   linear 0s;
}

/* Voci di menu: entrata a cascata con rimbalzo elastico */
.mob-nav-item {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity   0.4s  ease,
    transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
}
#mobile-menu.is-open .mob-nav-item:nth-child(1) {
  opacity: 1; transform: translateY(0); transition-delay: 0.08s;
}
#mobile-menu.is-open .mob-nav-item:nth-child(2) {
  opacity: 1; transform: translateY(0); transition-delay: 0.16s;
}
#mobile-menu.is-open .mob-nav-item:nth-child(3) {
  opacity: 1; transform: translateY(0); transition-delay: 0.24s;
}

/* Contatto in fondo all'overlay */
.mob-contact {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
#mobile-menu.is-open .mob-contact {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.34s;
}