/* IdeasFromNelson shared navigation */
#site-nav {
  position: sticky;
  top: 0;
  z-index: 9999;
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#site-nav .ifn-header {
  color: #b8bfd4;
  background: rgba(12, 15, 24, 0.92);
  border-bottom: 1px solid rgba(61, 66, 100, 0.75);
  backdrop-filter: saturate(145%) blur(14px);
  -webkit-backdrop-filter: saturate(145%) blur(14px);
  box-shadow: 0 14px 40px -32px rgba(0, 0, 0, 0.9);
}

#site-nav .ifn-header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 10px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

#site-nav .ifn-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  text-decoration: none;
}

#site-nav .ifn-brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(90, 163, 255, 0.18);
}

#site-nav .ifn-brand-wordmark {
  font-family: 'Source Serif 4', Georgia, serif;
  font-style: italic;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.45px;
  white-space: nowrap;
  text-transform: none;
}

#site-nav .ifn-word-ideas { color: #d8dde8; }
#site-nav .ifn-word-from { color: #fbbf24; margin-left: 2px; }
#site-nav .ifn-word-nelson { color: #5aa3ff; margin-left: 2px; }

#site-nav .ifn-quick-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

#site-nav .ifn-quick-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  color: #06111f;
  background: linear-gradient(135deg, #fbbf24, #ffd36a);
  border: 1px solid rgba(251, 191, 36, 0.45);
  border-radius: 999px;
  text-decoration: none;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.05px;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow: 0 12px 28px -20px rgba(251, 191, 36, 0.9);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}

#site-nav .ifn-quick-button-crypto {
  color: #eef0f8;
  background: linear-gradient(135deg, #2563eb, #5aa3ff);
  border-color: rgba(90, 163, 255, 0.45);
  box-shadow: 0 12px 28px -20px rgba(90, 163, 255, 0.95);
}

#site-nav .ifn-quick-button:hover,
#site-nav .ifn-quick-button:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 16px 34px -22px rgba(251, 191, 36, 0.95);
  text-decoration: none;
}

#site-nav .ifn-quick-button-crypto:hover,
#site-nav .ifn-quick-button-crypto:focus-visible {
  box-shadow: 0 16px 34px -22px rgba(90, 163, 255, 0.95);
}


#site-nav .ifn-quick-short {
  display: none;
}

#site-nav .ifn-quick-full {
  display: inline;
}

#site-nav .ifn-nav {
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  gap: 8px;
}

#site-nav .ifn-nav-group {
  position: relative;
  display: flex;
  align-items: center;
}

#site-nav .ifn-nav-group::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 14px;
  display: none;
  z-index: 5;
}

#site-nav .ifn-nav-group:hover::after,
#site-nav .ifn-nav-group:focus-within::after,
#site-nav .ifn-nav-group.ifn-open::after {
  display: block;
}

#site-nav .ifn-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 11px;
  color: #7a82a0;
  border-radius: 10px;
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.45px;
  transition: color .18s ease, background .18s ease, box-shadow .18s ease;
}

#site-nav .ifn-nav-link::after {
  content: "▾";
  font-size: 8px;
  opacity: .75;
  transform: translateY(-1px);
}

#site-nav .ifn-nav-link:hover,
#site-nav .ifn-nav-link:focus-visible,
#site-nav .ifn-nav-group:hover > .ifn-nav-link,
#site-nav .ifn-nav-group.ifn-active > .ifn-nav-link {
  color: #eef0f8;
  background: rgba(90, 163, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(90, 163, 255, 0.12);
  text-decoration: none;
}

#site-nav .ifn-nav-group.ifn-active > .ifn-nav-link {
  color: #5aa3ff;
}

#site-nav .ifn-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 10;
  width: min(310px, calc(100vw - 28px));
  max-height: min(78vh, 620px);
  overflow-y: auto;
  padding: 8px;
  background: rgba(20, 23, 34, 0.98);
  border: 1px solid rgba(61, 66, 100, 0.95);
  border-radius: 16px;
  box-shadow: 0 24px 55px -24px rgba(0, 0, 0, 0.86);
  opacity: 0;
  visibility: hidden;
  transform: translateY(7px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
}

#site-nav .ifn-dropdown-right {
  left: auto;
  right: 0;
}

#site-nav .ifn-dropdown-wide {
  width: min(350px, calc(100vw - 28px));
}

#site-nav .ifn-dropdown-submenu {
  position: relative;
  margin-top: 4px;
}

#site-nav .ifn-dropdown-submenu::after {
  content: "";
  position: absolute;
  top: -8px;
  bottom: -8px;
  left: 100%;
  width: 14px;
  display: none;
  z-index: 10;
}

#site-nav .ifn-dropdown-submenu:hover::after,
#site-nav .ifn-dropdown-submenu:focus-within::after {
  display: block;
}

#site-nav .ifn-submenu-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  padding: 9px 10px;
  color: #eef0f8;
  background: rgba(90, 163, 255, 0.075);
  border: 1px solid rgba(90, 163, 255, 0.12);
  border-radius: 10px;
  font: inherit;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  cursor: default;
}

#site-nav .ifn-submenu-trigger::after {
  content: "›";
  color: #fbbf24;
  font-size: 16px;
  line-height: 1;
}

#site-nav .ifn-submenu-panel {
  position: absolute;
  top: -8px;
  left: calc(100% + 10px);
  z-index: 11;
  width: min(300px, calc(100vw - 28px));
  padding: 8px;
  background: rgba(20, 23, 34, 0.99);
  border: 1px solid rgba(61, 66, 100, 0.95);
  border-radius: 16px;
  box-shadow: 0 24px 55px -24px rgba(0, 0, 0, 0.86);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-5px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
}

#site-nav .ifn-dropdown-submenu:hover .ifn-submenu-panel,
#site-nav .ifn-dropdown-submenu:focus-within .ifn-submenu-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

#site-nav .ifn-nav-group:hover .ifn-dropdown,
#site-nav .ifn-nav-group:focus-within .ifn-dropdown,
#site-nav .ifn-nav-group.ifn-open .ifn-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}


#site-nav .ifn-dropdown-section-label {
  margin: 0.65rem 0 0.2rem;
  padding: 0.55rem 0.75rem 0.25rem;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  color: var(--ifn-nav-muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#site-nav .ifn-dropdown-section-label:first-child {
  margin-top: 0;
  border-top: 0;
}

#site-nav .ifn-dropdown a {
  display: block;
  padding: 9px 10px;
  color: #b8bfd4;
  border-radius: 10px;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0;
  text-transform: none;
}

#site-nav .ifn-dropdown a span {
  display: block;
  margin-top: 2px;
  color: #7a82a0;
  font-size: 10px;
  font-weight: 400;
}

#site-nav .ifn-dropdown a:hover,
#site-nav .ifn-dropdown a:focus-visible,
#site-nav .ifn-dropdown a.ifn-current {
  color: #eef0f8;
  background: rgba(90, 163, 255, 0.10);
  text-decoration: none;
}

#site-nav .ifn-menu-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  color: #d8dde8;
  background: rgba(90, 163, 255, 0.10);
  border: 1px solid rgba(90, 163, 255, 0.24);
  border-radius: 12px;
  padding: 9px 11px;
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  cursor: pointer;
}

#site-nav .ifn-menu-toggle-bars,
#site-nav .ifn-menu-toggle-bars::before,
#site-nav .ifn-menu-toggle-bars::after {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: #5aa3ff;
  content: "";
}

#site-nav .ifn-menu-toggle-bars::before { transform: translateY(-6px); }
#site-nav .ifn-menu-toggle-bars::after { transform: translateY(4px); }

@media (max-width: 820px) {
  #site-nav.ifn-mobile-open {
    max-height: none;
    overflow: visible;
  }

  #site-nav.ifn-mobile-open .ifn-header {
    max-height: none;
    overflow: visible;
  }

  #site-nav .ifn-header-inner {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 14px;
  }

  #site-nav .ifn-brand-mark {
    width: 34px;
    height: 34px;
  }

  #site-nav .ifn-brand-wordmark {
    font-size: 17px;
  }

  #site-nav .ifn-menu-toggle {
    display: inline-flex;
  }

  #site-nav .ifn-brand {
    flex: 1 1 auto;
    min-width: 0;
  }

  #site-nav .ifn-brand-wordmark {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  #site-nav .ifn-quick-actions {
    order: 0;
    width: auto;
    margin-left: auto;
    display: inline-flex;
    flex: 0 0 auto;
    gap: 6px;
  }

  #site-nav .ifn-quick-button {
    min-width: 36px;
    min-height: 34px;
    padding: 0 9px;
    font-size: 10px;
    letter-spacing: 0.8px;
  }

  #site-nav .ifn-quick-full {
    display: none;
  }

  #site-nav .ifn-quick-short {
    display: inline;
  }

  #site-nav .ifn-nav {
    order: 4;
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 8px 0 2px;
    max-height: var(--ifn-mobile-nav-height, calc(100dvh - 92px));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
  }

  #site-nav.ifn-mobile-open .ifn-nav {
    display: flex;
  }

  #site-nav .ifn-nav-group {
    display: block;
  }

  #site-nav .ifn-nav-group::after,
  #site-nav .ifn-dropdown-submenu::after {
    display: none !important;
  }

  #site-nav .ifn-nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 0 12px;
    background: rgba(255, 255, 255, 0.025);
    cursor: pointer;
  }

  #site-nav .ifn-dropdown {
    position: static;
    width: 100%;
    max-height: none;
    margin-top: 6px;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    box-shadow: none;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.035);
  }

  #site-nav .ifn-nav-group.ifn-open .ifn-dropdown {
    display: block;
  }

  #site-nav .ifn-nav-group.ifn-active > .ifn-nav-link {
    border-color: rgba(90, 163, 255, 0.5);
    background: rgba(90, 163, 255, 0.12);
  }

  #site-nav .ifn-nav-group.ifn-open > .ifn-nav-link {
    position: sticky;
    top: 0;
    z-index: 3;
    margin-bottom: 6px;
    color: #eef0f8;
    background: rgba(12, 15, 24, 0.96);
    border: 1px solid rgba(90, 163, 255, 0.28);
    box-shadow: 0 10px 22px -18px rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  #site-nav .ifn-nav-group.ifn-open > .ifn-nav-link::after {
    content: "▴";
  }

  #site-nav .ifn-dropdown-wide {
    width: 100%;
  }

  #site-nav .ifn-dropdown-submenu {
    margin-top: 6px;
  }

  #site-nav .ifn-submenu-trigger {
    cursor: default;
  }

  #site-nav .ifn-submenu-trigger::after {
    content: "";
  }

  #site-nav .ifn-submenu-panel {
    position: static;
    width: 100%;
    margin-top: 6px;
    padding: 6px;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.035);
  }
}


@media (max-width: 430px) {
  #site-nav .ifn-header-inner {
    gap: 8px;
    padding: 9px 10px;
  }

  #site-nav .ifn-brand {
    gap: 7px;
  }

  #site-nav .ifn-brand-mark {
    width: 30px;
    height: 30px;
    border-radius: 8px;
  }

  #site-nav .ifn-brand-wordmark {
    font-size: 15px;
    letter-spacing: -0.35px;
  }

  #site-nav .ifn-quick-button {
    min-width: 32px;
    min-height: 32px;
    padding: 0 7px;
    font-size: 9.5px;
  }

  #site-nav .ifn-menu-toggle {
    min-height: 32px;
    padding: 7px 9px;
  }

  #site-nav .ifn-menu-toggle-text {
    display: none;
  }
}

@media (max-width: 360px) {
  #site-nav .ifn-brand-wordmark {
    max-width: 132px;
  }
}

@media print {
  #site-nav { display: none !important; }
}


@media (min-width: 821px) and (max-width: 1100px) {
  #site-nav .ifn-header-inner {
    gap: 12px;
  }

  #site-nav .ifn-brand-wordmark {
    display: none;
  }

  #site-nav .ifn-quick-button {
    padding: 0 10px;
    font-size: 9.5px;
  }

  #site-nav .ifn-nav {
    gap: 4px;
  }

  #site-nav .ifn-nav-link {
    padding: 0 8px;
    letter-spacing: 1.1px;
  }
}