/* =============================================================
   LIQUID NAVBAR + FOOTER v1.0.0 — Production
   Companion CSS for LiquidNavbar.razor + LiquidFooter.razor
   ============================================================= */

/* =============================================================
   NAVBAR
   ============================================================= */
.lp-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: var(--lp-z-navbar);
  background: rgba(5, 7, 13, 0.72);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border-bottom: 1px solid var(--lp-border);
}

.lp-navbar-inner {
  max-width: var(--lp-container-xl);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--lp-space-6);
  padding: 0 var(--lp-space-5);
}

.lp-navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--lp-space-2);
  text-decoration: none;
  color: var(--lp-text);
  font-weight: 700;
  font-size: var(--lp-text-lg);
  font-family: var(--lp-font-display);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.lp-navbar-brand:hover {
  color: var(--lp-text);
}

.lp-navbar-brand-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px var(--lp-glow-warm));
}

.lp-navbar-brand-text {
  white-space: nowrap;
}

.lp-navbar-brand-accent {
  color: var(--lp-accent-warm);
}

.lp-navbar-brand-tld {
  color: var(--lp-muted);
  font-weight: 500;
  font-size: 0.85em;
}

.lp-navbar-links {
  display: flex;
  align-items: center;
  gap: var(--lp-space-2);
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
  justify-content: center;
}

.lp-navbar-link {
  display: inline-block;
  padding: var(--lp-space-2) var(--lp-space-4);
  color: var(--lp-muted);
  text-decoration: none;
  font-size: var(--lp-text-sm);
  font-weight: 500;
  border-radius: var(--lp-radius-pill);
  transition: all var(--lp-motion-fast) var(--lp-ease-out);
}

.lp-navbar-link:hover {
  color: var(--lp-text);
  background: rgba(255, 255, 255, 0.05);
}

.lp-navbar-link--active {
  color: var(--lp-text);
  background: rgba(124, 92, 255, 0.15);
  border: 1px solid rgba(124, 92, 255, 0.3);
}

.lp-navbar-link--demo {
  color: var(--lp-accent-warm, #ff7a3d);
  font-weight: 600;
}

.lp-navbar-link--demo:hover {
  color: var(--lp-accent-warm, #ff7a3d);
  background: rgba(255, 122, 61, 0.1);
}

.lp-navbar-mobile-link--demo {
  color: var(--lp-accent-warm, #ff7a3d);
  font-weight: 600;
}

.lp-navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--lp-space-2);
  flex-shrink: 0;
}

.lp-navbar-burger {
  display: none;
  background: transparent;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius-sm);
  width: 40px;
  height: 40px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0;
}

.lp-navbar-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--lp-text);
  border-radius: 2px;
}

.lp-navbar-mobile-panel {
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--lp-surface-overlay);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--lp-border);
  padding: var(--lp-space-5);
  display: flex;
  flex-direction: column;
  gap: var(--lp-space-2);
}

.lp-navbar-mobile-link {
  display: block;
  padding: var(--lp-space-3) var(--lp-space-4);
  color: var(--lp-text);
  font-size: var(--lp-text-base);
  font-weight: 500;
  border-radius: var(--lp-radius);
  text-decoration: none;
}

.lp-navbar-mobile-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--lp-text);
}

.lp-navbar-mobile-actions {
  display: flex;
  flex-direction: column;
  gap: var(--lp-space-2);
  padding-top: var(--lp-space-4);
  border-top: 1px solid var(--lp-border);
  margin-top: var(--lp-space-3);
}

/* =============================================================
   NAVBAR DROPDOWN — Seniority segmentation (Percorsi)
   ============================================================= */
.lp-navbar-dropdown {
  position: relative;
}

.lp-navbar-dropdown > button {
  background: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: inherit;
}

.lp-navbar-chevron {
  transition: transform var(--lp-motion-fast) var(--lp-ease-out);
  opacity: 0.6;
}

.lp-navbar-dropdown:hover .lp-navbar-chevron,
.lp-navbar-dropdown > button[aria-expanded="true"] .lp-navbar-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.lp-navbar-dropdown-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 280px;
  z-index: 100;
  background: rgba(12, 14, 20, 0.95);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius-lg, 14px);
  padding: 8px;
  padding-top: 16px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.04);
  animation: lp-dropdown-in 0.15s var(--lp-ease-out);
}

.lp-navbar-dropdown-panel::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: transparent;
}

@keyframes lp-dropdown-in {
  from { opacity: 0; transform: translateX(-50%) translateY(-4px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.lp-navbar-dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--lp-radius, 10px);
  text-decoration: none;
  color: inherit;
  transition: background var(--lp-motion-fast) var(--lp-ease-out);
}

.lp-navbar-dropdown-item:hover,
.lp-navbar-dropdown-item:focus-visible {
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

.lp-navbar-dropdown-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 10px;
  background: rgba(250, 247, 240, 0.05);
  border: 1px solid rgba(250, 247, 240, 0.10);
  color: rgba(250, 247, 240, 0.72);
}

.lp-navbar-dropdown-icon--ai {
  background: rgba(232, 124, 42, 0.12);
  border-color: rgba(232, 124, 42, 0.30);
  color: #f89b4d;
}

.lp-navbar-dropdown-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.lp-navbar-dropdown-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--lp-text, #faf7f0);
  display: flex;
  align-items: center;
  gap: 6px;
}

.lp-navbar-dropdown-desc {
  font-size: 12.5px;
  color: var(--lp-muted, rgba(250, 247, 240, 0.55));
  line-height: 1.35;
}

.lp-navbar-dropdown-divider {
  height: 1px;
  background: var(--lp-border, rgba(250, 247, 240, 0.08));
  margin: 4px 12px;
}

.lp-navbar-ai-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: linear-gradient(135deg, #e87c2a, #f89b4d);
  color: #fff;
  line-height: 1.6;
}

.lp-navbar-dropdown-item--ai:hover .lp-navbar-dropdown-icon--ai {
  background: rgba(232, 124, 42, 0.20);
  border-color: rgba(232, 124, 42, 0.50);
}

/* Mobile: seniority group */
.lp-navbar-mobile-group {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 4px 0;
}

.lp-navbar-mobile-group-label {
  display: block;
  padding: 6px var(--lp-space-4) 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--lp-faint, rgba(250, 247, 240, 0.40));
}

.lp-navbar-mobile-link--nested {
  padding-left: calc(var(--lp-space-4) + 12px);
  font-size: var(--lp-text-sm, 14px);
}

.lp-navbar-mobile-link--ai {
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 1280px) {
  .lp-navbar-links {
    gap: 4px;
  }
  .lp-navbar-link {
    padding: 6px 10px;
    font-size: 13px;
  }
}

@media (max-width: 1024px) {
  .lp-navbar-links {
    display: none;
  }
  .lp-navbar-actions {
    margin-left: auto;
    margin-right: var(--lp-space-2);
  }
  .lp-navbar-burger {
    display: flex;
  }
}

@media (max-width: 640px) {
  .lp-navbar-actions .lp-button {
    padding: var(--lp-space-2) var(--lp-space-3);
    font-size: var(--lp-text-xs);
  }
  .lp-navbar-brand-tld {
    display: none;
  }
}

/* =============================================================
   FOOTER (5 colonne, in flusso — scorre normalmente)
   ============================================================= */
.lp-footer {
  position: relative;
  z-index: var(--lp-z-content);
  margin-top: var(--lp-space-9);
  background: var(--lp-surface-strong);
  border-top: 1px solid var(--lp-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  /* padding-bottom extra: la barra fissa .liquid-footer copre gli ultimi ~52px */
  padding: var(--lp-space-8) 0 calc(var(--lp-space-5) + 52px) 0;
}

/* =============================================================
   BARRA FISSA A PIÈ VIEWPORT — ripristino dal backup
   (fail.insightlearn.cloud, replica liquid-portal r.273-293):
   riga accent sopra, brand + nav + © versione + social.
   Non scorre col testo; il contenuto passa sotto.
   ============================================================= */
.liquid-footer {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 45; /* sopra floating (40), sotto navbar (50) e chatbot (9999) */
  /* !important: altri fogli (courses/dashboards) definiscono border sottili
     con specificity maggiore; la riga accent è la firma visiva del backup */
  border-top: 2px solid var(--lp-accent, #e87c2a) !important;
  background: rgba(6, 9, 14, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 10px 22px;
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.45), 0 -1px 12px rgba(232, 124, 42, 0.18);
}
.liquid-footer-row { display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; justify-content: space-between; max-width: 1500px; margin: 0 auto; }
.liquid-footer-brand { display: flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--lp-text, #faf7f0); font-size: .8rem; font-weight: 600; letter-spacing: .03em; }
.liquid-footer-brand img { width: 22px; height: 22px; object-fit: contain; border-radius: 4px; }
.liquid-footer-brand .accent { color: var(--lp-accent-light, #f89b4d); }
.liquid-footer-brand .brand-tld { color: var(--lp-text-faint, rgba(250,247,240,.4)); font-weight: 400; font-size: .85em; }
.liquid-footer-nav { display: flex; gap: 1.1rem; list-style: none; flex-wrap: wrap; margin: 0; padding: 0; }
.liquid-footer-nav a { color: var(--lp-text-muted, rgba(250,247,240,.62)); text-decoration: none; font-size: .64rem; letter-spacing: .1em; transition: color .25s; text-transform: uppercase; }
.liquid-footer-nav a:hover { color: var(--lp-accent-light, #f89b4d); }
.liquid-footer-meta { display: flex; align-items: center; gap: 1rem; font-size: .62rem; letter-spacing: .1em; color: var(--lp-text-muted, rgba(250,247,240,.62)); }
.liquid-footer-social { display: flex; gap: 6px; }
.liquid-footer-social a { color: var(--lp-text-muted, rgba(250,247,240,.62)); display: grid; place-items: center; width: 24px; height: 24px; border-radius: 6px; transition: color .25s, background .25s; }
.liquid-footer-social a:hover { color: var(--lp-accent-light, #f89b4d); background: rgba(255, 255, 255, 0.06); }
.liquid-footer-social svg { width: 13px; height: 13px; }

/* Riserva di spazio: il contenuto non finisce mai sotto la barra fissa.
   (Risolve il problema per cui la barra era stata scollata dal redesign v500.) */
.lp-shell-unified .lp-main-content { padding-bottom: 72px; }

@media (max-width: 760px) {
  .liquid-footer-nav { display: none; }
  /* su mobile brand+meta possono impilarsi: la riserva cresce */
  .lp-shell-unified .lp-main-content { padding-bottom: 140px; }
}

.lp-footer-inner {
  max-width: var(--lp-container-xl);
  margin: 0 auto;
  padding: 0 var(--lp-space-5);
}

.lp-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--lp-space-6);
  margin-bottom: var(--lp-space-7);
}

.lp-footer-brand-col {
  max-width: 320px;
}

.lp-footer-brand {
  display: flex;
  align-items: center;
  gap: var(--lp-space-2);
  text-decoration: none;
  color: var(--lp-text);
  font-weight: 700;
  font-size: var(--lp-text-lg);
  font-family: var(--lp-font-display);
  margin-bottom: var(--lp-space-4);
}

.lp-footer-brand-text {
  font-weight: 700;
}

.lp-footer-brand-tld {
  color: var(--lp-muted);
  font-weight: 500;
  font-size: 0.85em;
}

.lp-footer-tagline {
  color: var(--lp-muted);
  font-size: var(--lp-text-sm);
  line-height: var(--lp-leading-body);
  margin-bottom: var(--lp-space-5);
}

.lp-footer-social {
  display: flex;
  gap: var(--lp-space-3);
}

.lp-footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--lp-surface);
  border: 1px solid var(--lp-border);
  border-radius: 50%;
  color: var(--lp-muted);
  transition: all var(--lp-motion-fast) var(--lp-ease-out);
}

.lp-footer-social a:hover {
  background: var(--lp-accent);
  border-color: var(--lp-accent);
  color: var(--lp-text);
  transform: translateY(-2px);
  box-shadow: var(--lp-shadow-glow);
}

.lp-footer-col {
  min-width: 0;
}

.lp-footer-heading {
  font-size: var(--lp-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  color: var(--lp-faint);
  margin: 0 0 var(--lp-space-4) 0;
}

.lp-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--lp-space-2);
}

.lp-footer-links a {
  color: var(--lp-muted);
  text-decoration: none;
  font-size: var(--lp-text-sm);
  transition: color var(--lp-motion-fast) var(--lp-ease-out);
}

.lp-footer-links a:hover {
  color: var(--lp-text);
}

.lp-footer-bottom {
  border-top: 1px solid var(--lp-border);
  padding-top: var(--lp-space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--lp-space-4);
  flex-wrap: wrap;
}

.lp-footer-meta {
  display: flex;
  align-items: center;
  gap: var(--lp-space-3);
  font-size: var(--lp-text-xs);
  color: var(--lp-muted);
  flex-wrap: wrap;
}

.lp-footer-trust {
  font-size: var(--lp-text-xs);
}

@media (max-width: 1024px) {
  .lp-footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--lp-space-5);
  }
  .lp-footer-brand-col {
    grid-column: 1 / -1;
    max-width: none;
  }
}

@media (max-width: 640px) {
  .lp-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .lp-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
}