/* ================================================================
   ANIMATIONS.CSS — Animazioni e transizioni
   Studio Rag. Ciuccariello
   ================================================================ */

/* ----------------------------------------------------------------
   RISPETTO PREFERENZE UTENTE
   Se l'utente ha attivato "Riduci movimento" nelle impostazioni
   di accessibilità del sistema, eliminiamo tutte le animazioni.
   ---------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  /* Mantieni gli elementi visibili anche senza animazione */
  .animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ================================================================
   ANIMAZIONI KEYFRAME
   ================================================================ */

/* Fade-in + slide-up — usato per sezioni e card */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade-in semplice — usato per hero content */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Slide-in da sinistra — usato per testo about */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide-in da destra — usato per foto about */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Rotazione spinner bottone form */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Pulse leggero — per l'icona della navbar quando scrollata */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.7; }
}

/* ================================================================
   STATO INIZIALE — elementi da animare
   Gli elementi con .animate-on-scroll partono invisibili.
   La classe .is-visible viene aggiunta da animations.js
   quando l'elemento entra nel viewport.
   ================================================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   DELAY CASCATA PER CARD IN GRIGLIA
   Ogni card nth-child ottiene un delay crescente,
   creando un effetto "a cascata" (staggered)
   ================================================================ */

/* Griglia servizi (6 card) */
.grid--servizi .card:nth-child(1) { transition-delay: 0ms;   }
.grid--servizi .card:nth-child(2) { transition-delay: 80ms;  }
.grid--servizi .card:nth-child(3) { transition-delay: 160ms; }
.grid--servizi .card:nth-child(4) { transition-delay: 240ms; }
.grid--servizi .card:nth-child(5) { transition-delay: 320ms; }
.grid--servizi .card:nth-child(6) { transition-delay: 400ms; }

/* Griglia team (4 card) */
.grid--team .team-card:nth-child(1) { transition-delay: 0ms;   }
.grid--team .team-card:nth-child(2) { transition-delay: 100ms; }
.grid--team .team-card:nth-child(3) { transition-delay: 200ms; }
.grid--team .team-card:nth-child(4) { transition-delay: 300ms; }

/* ================================================================
   HERO — Animazione all'avvio della pagina
   ================================================================ */
.hero__content {
  animation: fadeIn 1s ease forwards;
}

.hero__title {
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero__subtitle {
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero__tagline {
  animation: fadeInUp 0.8s ease 0.55s both;
}

.hero__cta-group {
  animation: fadeInUp 0.8s ease 0.7s both;
}

/* ================================================================
   HOVER SU CARD — Transizioni fluide
   ================================================================ */

/* Card servizi */
.card {
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    border-color 0.28s ease;
}

.card:hover {
  border-color: rgba(26, 44, 78, 0.2);
}

.card__icon {
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.card:hover .card__icon {
  background-color: rgba(26, 44, 78, 0.14);
  transform: scale(1.05);
}

/* Card team */
.team-card {
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease;
}

.team-card__photo-wrap {
  transition: transform 0.28s ease;
}

.team-card:hover .team-card__photo-wrap {
  transform: scale(1.04);
}

/* ================================================================
   NAVBAR — Transizioni
   ================================================================ */

/* Transizione ombra navbar allo scroll */
.navbar {
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

/* Link navbar */
.navbar__link {
  position: relative;
  transition: color 0.2s ease;
}

/* Sottolineatura animata per link navbar (escluso il CTA) */
.navbar__link:not(.navbar__link--cta)::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  right: 50%;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 2px;
  transition: left 0.25s ease, right 0.25s ease;
}

.navbar__link:not(.navbar__link--cta):hover::after,
.navbar__link:not(.navbar__link--cta).active::after {
  left: var(--spacing-sm);
  right: var(--spacing-sm);
}

/* ================================================================
   HAMBURGER → X (menu mobile)
   ================================================================ */

/* Stato aperto: le tre linee diventano una X */
.navbar__hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar__hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ================================================================
   MENU MOBILE — Animazione apertura/chiusura
   ================================================================ */
@media (max-width: 767px) {
  .navbar__menu {
    /* Stato chiuso */
    max-height: 0;
    overflow: hidden;
    transition:
      max-height 0.35s ease,
      opacity 0.3s ease;
    opacity: 0;
  }

  .navbar__menu--open {
    /* Stato aperto — JS aggiunge questa classe */
    max-height: 400px;
    opacity: 1;
  }
}

/* ================================================================
   BOTTONI — Transizioni
   ================================================================ */
.btn {
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    transform 0.15s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

/* ================================================================
   FORM — Transizioni sugli input
   ================================================================ */
.form-input {
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

/* ================================================================
   FOOTER LINKS
   ================================================================ */
.footer__link {
  transition: color 0.2s ease;
}

/* ================================================================
   STATISTICHE CHI SIAMO — Numero in evidenza
   ================================================================ */
.stat {
  transition: transform 0.2s ease;
}

.stat:hover {
  transform: translateY(-2px);
}