:root {
  --nav-height: calc(var(--space-step-5) * var(--phi-2));
}

.nav-desktop {
  --nav-bg: #0b1220;
  --nav-border: rgba(148, 163, 184, 0.2);
  --nav-text: #e2e8f0;
  --nav-muted: #94a3b8;
  --nav-accent: var(--color-primary);
  --nav-hover: rgba(255, 205, 2, 0.12);
  --nav-shadow: 0 18px 36px rgba(2, 6, 23, 0.45);
  --nav-padding-x: calc(var(--space-step-4) * var(--phi));
  --nav-item-gap: calc(var(--space-step-3) * var(--phi));
  --nav-link-y: var(--space-step-1);
  --nav-link-x: var(--space-step-2);
  --nav-font-size: var(--font-step-0);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  width: 100%;
  backface-visibility: hidden;
}

main#main {
  padding-top: var(--nav-height, 0px);
}

.nav-desktop__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--nav-padding-x);
  height: var(--nav-height, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--nav-item-gap);
}

.nav-desktop__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.nav-desktop__logo {
  height: 38px;
  width: auto;
  display: block;
}

.nav-desktop__nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-desktop__list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--nav-item-gap);
  padding: 0;
  margin: 0;
  justify-content: center;
}

.nav-desktop__item {
  position: relative;
}

.nav-desktop__link,
.nav-desktop__sublink {
  color: var(--nav-text);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--nav-font-size);
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: var(--nav-link-y) var(--nav-link-x);
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-desktop__sublink {
  width: 100%;
  justify-content: space-between;
  font-weight: 400;
  font-size: calc(var(--nav-font-size) / var(--phi-q));
}

.nav-desktop__link:hover,
.nav-desktop__link:focus-visible,
.nav-desktop__sublink:hover,
.nav-desktop__sublink:focus-visible {
  color: var(--nav-accent);
  background: var(--nav-hover);
}

.nav-desktop__link[aria-current="page"],
.nav-desktop__sublink[aria-current="page"] {
  color: var(--nav-accent);
  background: var(--nav-hover);
}

.nav-desktop__item.is-open > .nav-desktop__link,
.nav-desktop__item.is-active > .nav-desktop__link,
.nav-desktop__item:focus-within > .nav-desktop__link,
.nav-desktop__item:hover > .nav-desktop__link,
.nav-desktop__submenu-item.is-open > .nav-desktop__sublink,
.nav-desktop__submenu-item.is-active > .nav-desktop__sublink,
.nav-desktop__submenu-item:focus-within > .nav-desktop__sublink,
.nav-desktop__submenu-item:hover > .nav-desktop__sublink {
  color: var(--nav-accent);
  background: var(--nav-hover);
}

.nav-desktop__submenu-item.has-children > .nav-desktop__sublink::after {
  content: "▸";
  font-size: 0.7rem;
  margin-left: auto;
  transition: transform 0.2s ease;
}

.nav-desktop__submenu-item.has-children:hover > .nav-desktop__sublink::after,
.nav-desktop__submenu-item.has-children:focus-within > .nav-desktop__sublink::after,
.nav-desktop__submenu-item.has-children.is-open > .nav-desktop__sublink::after {
  transform: rotate(90deg);
}

.nav-desktop__panel {
  position: absolute;
  top: calc(100% + var(--space-step-1));
  left: 0;
  min-width: 272px;
  background: #0f172a;
  border-radius: 16px;
  box-shadow: var(--nav-shadow);
  padding: 12px;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-desktop__panel::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 0;
  width: 100%;
  height: 14px;
  background: transparent;
}

.nav-desktop__panel::after {
  content: "";
  position: absolute;
  top: -8px;
  left: var(--nav-link-x);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid #0f172a;
}

.nav-desktop__item:hover > .nav-desktop__panel,
.nav-desktop__item:focus-within > .nav-desktop__panel,
.nav-desktop__item.is-open > .nav-desktop__panel {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-desktop__submenu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-step-1);
}

.nav-desktop__submenu-item {
  position: relative;
}


.nav-desktop__submenu--nested {
  position: absolute;
  top: 0;
  left: 100%;
  margin-left: 10px;
  min-width: 272px;
  background: #0f172a;
  border-radius: 14px;
  box-shadow: var(--nav-shadow);
  padding: var(--space-step-1);
  opacity: 0;
  transform: translateX(6px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}


.nav-desktop__submenu--nested::before {
  content: "";
  position: absolute;
  top: 0;
  left: -10px;
  width: 10px;
  height: 100%;
  background: transparent;
}

.nav-desktop__submenu-item.has-children:hover > .nav-desktop__submenu--nested,
.nav-desktop__submenu-item.has-children:focus-within > .nav-desktop__submenu--nested,
.nav-desktop__submenu-item.has-children.is-open > .nav-desktop__submenu--nested {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.nav-desktop__cta {
  display: flex;
  align-items: center;
}

.nav-desktop .btn--primary {
  background: var(--color-primary);
  color: var(--color-dark);
}

.nav-desktop .btn--primary:hover,
.nav-desktop .btn--primary:focus-visible {
  filter: brightness(1.02);
}


.nav-mobile {
  display: none;
}