/**
 * DIGINETIC - COMPONENTS CSS
 * UI Components (Header, Cards, Footer, etc.)
 * v1.0 - 2026-02-26
 */

/* ========================================
   HEADER / NAVBAR
   ======================================== */

.header-dg {
  background: var(--dg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: box-shadow var(--transition-base);
}

.header-dg .navbar {
  padding-top: 6px;
  padding-bottom: 6px;
}

.header-dg .navbar > .container {
  max-width: 80%;
  padding-left: 0;
  padding-right: 0;
}

.header-dg.scrolled {
  box-shadow: var(--shadow-md);
}

/* Brand / Logo */
.brand-container {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.brand-container .navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  padding: 0;
}

.brand-container:hover {
  opacity: 0.8;
  text-decoration: none;
}

.logo-d-container {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}

#logo-d-animated {
  width: 100%;
  height: 100%;
}

.brand-name {
  font-family: 'Titillium', 'Helvetica Neue', 'Helvetica', Arial, sans-serif;
  /* Fluido come .nav-link: 1.6rem a 1920px, scala verso il breakpoint. */
  font-size: clamp(1.2rem, 0.7rem + 0.75vw, 1.6rem);
  font-weight: 400;
  margin: 0;
  color: #9BA1A4;
  line-height: 1;
  letter-spacing: -0.01em;
}

/* Language switcher */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.lang-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--dg-gray-700);
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.lang-link:hover,
.lang-link.active {
  color: var(--dg-primary);
  background: rgba(0,63,91,0.05);
  text-decoration: none;
}

.lang-switcher .separator {
  color: var(--dg-gray-300);
  font-size: var(--text-sm);
}

/* Navigation */
.navbar-nav {
  display: flex;
  align-items: center;
  /* Gap fluido: pieno a schermo largo, si stringe con la finestra. */
  gap: clamp(0.125rem, 0.8vw, var(--spacing-md));
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: #9BA1A4;
  font-weight: 500;
  /* Fluido: 24px a 1920px (design invariato a schermo pieno) → scala fino a
     ~16px verso il breakpoint 992px; sotto, comandano le regole responsive. */
  font-size: clamp(1rem, 0.55rem + 0.79vw, 1.5rem);
  /* Una voce di menù non va MAI su due righe: piuttosto si restringono
     padding e gap (fluidi), poi scatta il menu a tendina. */
  white-space: nowrap;
  padding: var(--spacing-sm) clamp(0.4rem, 0.2rem + 0.5vw, var(--spacing-md));
  transition: all var(--transition-fast);
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  color: var(--dg-primary);
  background: rgba(0,63,91,0.05);
  text-decoration: none;
}

.nav-link.active {
  color: var(--dg-accent-red) !important;
  background: transparent !important;
  box-shadow: none !important;
  text-decoration: none;
}

.btn-sofia {
  background: var(--gradient-logo);
  color: var(--dg-white) !important;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
}

.btn-sofia:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

/* Mobile menu toggle */
.navbar-toggler {
  background: transparent;
  border: 2px solid var(--dg-gray-300);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.navbar-toggler:hover {
  border-color: var(--dg-primary);
}

.navbar-toggler-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dg-dark);
  position: relative;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--dg-dark);
  transition: transform var(--transition-base);
}

.navbar-toggler-icon::before {
  top: -8px;
}

.navbar-toggler-icon::after {
  bottom: -8px;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .brand-name {
    font-size: 1.2rem;
  }

  .navbar-collapse {
    background: var(--dg-white);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
  }

  .navbar-nav {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .nav-link {
    width: 100%;
  }

  .lang-switcher {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--dg-gray-300);
    justify-content: center;
  }
}


/* ========================================
   CARDS
   ======================================== */

.card-dg {
  background: var(--dg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card-dg:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.card-dg .card-icon {
  width: 60px;
  height: 60px;
  margin-bottom: var(--spacing-lg);
  color: var(--dg-primary);
}

.card-dg h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--dg-dark);
}

.card-dg p {
  color: var(--dg-gray-700);
  flex-grow: 1;
  margin-bottom: var(--spacing-lg);
}

.card-dg .card-cta {
  margin-top: auto;
}

/* Glass-morphism card */
.card-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: 0 8px 32px 0 rgba(10, 14, 39, 0.37);
  color: var(--dg-white);
}

/* Animated border card */
.card-animated-border {
  position: relative;
  background: var(--dg-dark);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  overflow: hidden;
  color: var(--dg-white);
}

.card-animated-border::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-logo);
  background-size: 400% 400%;
  border-radius: var(--radius-lg);
  z-index: -1;
  animation: gradientShift 3s ease infinite;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card-animated-border:hover::before {
  opacity: 1;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}


/* ========================================
   FOOTER
   ======================================== */

.footer-dg {
  background: var(--dg-dark);
  color: var(--dg-white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
  margin-top: var(--spacing-3xl);
}

.footer-dg h5 {
  color: var(--dg-white);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-address {
  color: var(--dg-gray-300);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.footer-dg a {
  color: var(--dg-gray-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-dg a:hover {
  color: var(--dg-blue-light);
  text-decoration: none;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-divider {
  border: none;
  height: 1px;
  background: rgba(255,255,255,0.1);
  margin: var(--spacing-2xl) 0 var(--spacing-xl) 0;
}

.footer-bottom {
  color: var(--dg-gray-500);
  font-size: var(--text-sm);
}


/* ========================================
   HERO SECTION (Generic)
   ======================================== */

.hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 120%; /* Extra for parallax */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-overlay);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  color: white;
  padding: var(--spacing-3xl) 0;
}

.hero-title {
  font-size: var(--text-6xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  color: white;
}

.hero-description {
  font-size: var(--text-xl);
  line-height: 1.6;
  margin-bottom: var(--spacing-2xl);
  color: rgba(255,255,255,0.9);
  max-width: 700px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-2xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  text-align: center;
  color: white;
}

.scroll-text {
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 2px;
  opacity: 0.7;
  margin-bottom: var(--spacing-xs);
}

.scroll-arrow {
  font-size: var(--text-2xl);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

@media (max-width: 768px) {
  .hero-section {
    min-height: 80vh;
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

  .hero-description {
    font-size: var(--text-base);
  }

  .hero-cta {
    flex-direction: column;
  }
}


/* ========================================
   LOADING / ANIMATIONS
   ======================================== */

.loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid var(--dg-gray-300);
  border-top-color: var(--dg-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Skip-link (a11y): off-screen finché non riceve focus tastiera ── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  z-index: 10000;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: #fff;
  color: #000;
  padding: 0.5rem 1rem;
  border-radius: 4px;
}