/**
 * AIFO main navigation (V2 design).
 * HTML: components/nav.html — loaded by js/layout.js
 * Replace placeholder icons: swap img[src] in .aifo-nav__icon, or add data-nav-icon assets later.
 */

#nav.aifo-nav {
  --aifo-nav-text: #f9f9f9;
  --aifo-nav-muted: rgba(255, 255, 255, 0.6);
  --aifo-nav-divider: rgba(255, 255, 255, 0.2);
  /* Figma Partnership dropdown panel */
  --aifo-nav-dropdown-bg: #231f20;
  --aifo-nav-dropdown-border: rgba(255, 255, 255, 0.08);
  --aifo-nav-drop-hover: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.04) 0%,
    rgba(255, 255, 255, 0.02) 52%,
    rgba(255, 255, 255, 0) 100%
  );
  --aifo-nav-icon-box-border: rgba(255, 255, 255, 0.16);
  --aifo-nav-icon-box-border-hover: #353132;
}

/* Desktop: logo | centered menu | right actions */
@media (min-width: 992px) {
  #nav.aifo-nav .aifo-nav__collapse {
    display: flex !important;
    flex: 1;
    align-items: center;
    justify-content: space-between;
    flex-basis: auto;
  }

  #nav.aifo-nav .aifo-nav__menu {
    flex: 1;
    justify-content: center;
    gap: 0.25rem;
  }

  #nav.aifo-nav .aifo-nav__actions {
    flex-shrink: 0;
    gap: 1rem;
    margin-left: 1rem;
  }
}

#nav.aifo-nav .aifo-nav__menu .nav-link {
  color: var(--aifo-nav-text);
  font-size: 1.2rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  gap: 0.35rem;
}

#nav.aifo-nav .aifo-nav__menu .nav-link .icon-a-arrow-down {
  font-size: 0.75rem;
  opacity: 0.85;
  transition: transform 0.2s ease;
}

#nav.aifo-nav .aifo-nav__menu .nav-item.show .nav-link .icon-a-arrow-down,
#nav.aifo-nav .aifo-nav__menu .nav-item:hover .nav-link .icon-a-arrow-down {
  transform: rotate(180deg);
}

/* Dropdown panel — Figma: FundingPrograms / Academy / Platform / Company */
#nav.aifo-nav .aifo-nav__dropdown {
  background: var(--aifo-nav-dropdown-bg);
  border: 1px solid var(--aifo-nav-dropdown-border);
  border-radius: 10px;
  padding: 16px;
  min-width: 230px;
  margin-top: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  flex-direction: column;
  gap: 16px;
}

#nav.aifo-nav .aifo-nav__dropdown.aifo-nav__dropdown--lang {
  min-width: 8rem;
  width: max-content;
  gap: 0;
  padding: 8px;
}

/* Desktop: bridge gap so submenu stays open when moving cursor down */
@media (min-width: 992px) {
  #nav.aifo-nav .nav-item.dropdown {
    position: relative;
  }

  #nav.aifo-nav .aifo-nav__dropdown {
    margin-top: 12px;
    transform: translateY(0) !important;
    pointer-events: none;
  }

  #nav.aifo-nav .dropdown:hover > .aifo-nav__dropdown,
  #nav.aifo-nav .dropdown:focus-within > .aifo-nav__dropdown {
    pointer-events: auto;
    display: flex;
  }

  #nav.aifo-nav .aifo-nav__dropdown::before {
    content: "";
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
    background: transparent;
  }
}

#nav.aifo-nav .aifo-nav__dropdown .dropdown-item {
  padding: 0;
  margin: 0 !important;
  border-radius: 8px;
  overflow: hidden;
}

#nav.aifo-nav .aifo-nav__dropdown .dropdown-item + .dropdown-item {
  margin-top: 0 !important;
}

/* Figma hover: white row tint + blurred orange ellipse (84×13) behind icon */
#nav.aifo-nav .aifo-nav__drop-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  color: #fff;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 18px;
  font-weight: 500;
  line-height: 20px;
  letter-spacing: -0.16px;
  border-radius: 8px;
  overflow: hidden;
  isolation: isolate;
  background: transparent;
  transition: background 0.22s ease;
}

/* Ellipse 13 — left 23px, top -6px inside row; orange #F9A215 @ 40% + heavy blur */
#nav.aifo-nav .aifo-nav__drop-item::before {
  content: "";
  position: absolute;
  left: 31px;
  top: 2px;
  z-index: 0;
  width: 84px;
  height: 13px;
  border-radius: 999px;
  background: #f9a215;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-12px) scale(2.8, 5.5);
  filter: blur(20px);
  transition: opacity 0.22s ease;
}

#nav.aifo-nav .aifo-nav__drop-item::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse 95% 120% at 8% 50%,
      rgba(249, 135, 21, 0.1) 0%,
      rgba(249, 135, 21, 0.03) 42%,
      transparent 68%
    ),
    var(--aifo-nav-drop-hover);
  transition: opacity 0.22s ease;
}

#nav.aifo-nav .aifo-nav__drop-item > * {
  position: relative;
  z-index: 1;
}

#nav.aifo-nav .aifo-nav__drop-item:hover,
#nav.aifo-nav .aifo-nav__drop-item:focus-visible,
#nav.aifo-nav .dropdown-item:hover .aifo-nav__drop-item,
#nav.aifo-nav .dropdown-item.active .aifo-nav__drop-item,
#nav.aifo-nav .dropdown-item:focus .aifo-nav__drop-item {
  color: #fff;
}

#nav.aifo-nav .aifo-nav__drop-item:hover::before,
#nav.aifo-nav .aifo-nav__drop-item:focus-visible::before,
#nav.aifo-nav .dropdown-item:hover .aifo-nav__drop-item::before,
#nav.aifo-nav .dropdown-item.active .aifo-nav__drop-item::before,
#nav.aifo-nav .dropdown-item:focus .aifo-nav__drop-item::before {
  opacity: 0.4;
}

#nav.aifo-nav .aifo-nav__drop-item:hover::after,
#nav.aifo-nav .aifo-nav__drop-item:focus-visible::after,
#nav.aifo-nav .dropdown-item:hover .aifo-nav__drop-item::after,
#nav.aifo-nav .dropdown-item.active .aifo-nav__drop-item::after,
#nav.aifo-nav .dropdown-item:focus .aifo-nav__drop-item::after {
  opacity: 1;
}

#nav.aifo-nav .aifo-nav__drop-item:hover .aifo-nav__icon-box,
#nav.aifo-nav .aifo-nav__drop-item:focus-visible .aifo-nav__icon-box,
#nav.aifo-nav .dropdown-item:hover .aifo-nav__drop-item .aifo-nav__icon-box,
#nav.aifo-nav .dropdown-item.active .aifo-nav__drop-item .aifo-nav__icon-box,
#nav.aifo-nav .dropdown-item:focus .aifo-nav__drop-item .aifo-nav__icon-box {
  border-color: var(--aifo-nav-icon-box-border-hover);
}

/* Figma icon container: 38×38, radius 9.5, border 1.188px */
#nav.aifo-nav .aifo-nav__icon-box {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 9.5px;
  background: #231f20;
  border: 1.188px solid var(--aifo-nav-icon-box-border);
  transition: border-color 0.2s ease;
}

#nav.aifo-nav .aifo-nav__icon-box .iconfont {
  font-size: 24px;
  line-height: 1;
  color: #f98715;
}

#nav.aifo-nav .aifo-nav__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

#nav.aifo-nav .aifo-nav__icon img {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}

/* Lang submenu — match online switch-lang (compact, flag + code) */
#nav.aifo-nav .aifo-nav__dropdown--lang .dropdown-item {
  padding: 1px 0;
  margin: 0 !important;
}

#nav.aifo-nav .aifo-nav__lang-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  border-radius: 6px;
  font-size: 1.2rem;
  font-weight: 300;
  color: #fff;
  transition: background 0.2s ease;
}

#nav.aifo-nav .aifo-nav__dropdown--lang .dropdown-item:hover .aifo-nav__lang-item {
  background: rgba(255, 255, 255, 0.08);
}

@media (min-width: 992px) {
  #nav.aifo-nav .aifo-nav__dropdown--lang .aifo-nav__lang-item {
    padding-top: 10px;
    padding-bottom: 10px;
  }
}

/* Right actions */
#nav.aifo-nav .aifo-nav__actions {
  display: flex;
  align-items: center;
}

#nav.aifo-nav .aifo-nav__lang .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--aifo-nav-text);
  font-size: 1.2rem;
  font-weight: 300;
  padding: 0.5rem 0.25rem;
}

#nav.aifo-nav .aifo-nav__actions .fi {
  display: inline-block;
  width: 18px;
  height: 18px;
  line-height: 18px;
  margin-right: 0;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  vertical-align: middle;
  background-size: cover;
  background-position: center;
}

#nav.aifo-nav .dropdown-menu .dropdown-item:hover {
  background-color: transparent !important;
}

@media (min-width: 992px) {
  #nav.aifo-nav .aifo-nav__lang > .aifo-nav__dropdown {
    left: 0;
    right: auto;
    transform: translateY(0) !important;
  }
}

#nav.aifo-nav .aifo-nav__divider {
  display: none;
  width: 1px;
  height: 1rem;
  background: var(--aifo-nav-divider);
  flex-shrink: 0;
}

@media (min-width: 992px) {
  #nav.aifo-nav .aifo-nav__divider {
    display: block;
  }
}

#nav.aifo-nav .aifo-nav__login {
  color: var(--aifo-nav-text);
  font-size: 1.2rem;

  text-decoration: none;
  white-space: nowrap;
  padding: 0.5rem 0;
  transition: color 0.2s ease;
}

#nav.aifo-nav .aifo-nav__login:hover,
#nav.aifo-nav .aifo-nav__login:focus {
  color: #f98715;
  text-decoration: none;
}

/* Nav CTA — 42px height to match bar proportions */
#nav.aifo-nav .aifo-nav__cta {
  padding: 0 1.25rem;
  min-height: 42px;
  height: 42px;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 8px;
  white-space: nowrap;
}

/* Mobile offcanvas */
@media (max-width: 991.98px) {
  #nav.aifo-nav .aifo-nav__menu .nav-link {
    padding: 0.75rem 0;
  }

  #nav.aifo-nav .aifo-nav__actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--aifo-nav-divider);
    gap: 0.75rem;
  }

  #nav.aifo-nav .aifo-nav__divider {
    display: none !important;
  }

  #nav.aifo-nav .aifo-nav__cta {
    width: 100%;
    justify-content: center;
  }

  #nav.aifo-nav .aifo-nav__login {
    display: block;
    text-align: center;
    padding: 0.75rem 0;
  }

  #nav.aifo-nav .aifo-nav__dropdown {
    position: static !important;
    float: none;
    width: 100%;
    margin-top: 0.25rem;
    box-shadow: none;
    border: none;
    background: rgba(35, 31, 32, 0.95);
    gap: 8px;
    padding: 12px;
    min-width: 0;
  }
}