/* Fixed top nav: logo, desktop links, and the mobile hamburger + dropdown
   panel toggled by js/nav.js. */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(12, 12, 14, 0.72);
  border-bottom: 1px solid var(--color-border-soft);
}

.site-header__bar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  cursor: pointer;
}
.brand__mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  display: grid;
  place-items: center;
  letter-spacing: -0.5px;
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.2px;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 30px;
}
.nav-desktop__link {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-text-soft);
  cursor: pointer;
  transition: color 0.2s;
}
.nav-desktop__link:hover {
  color: #ffffff;
}

.menu-toggle {
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--color-border-strong);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  color: var(--color-text);
  font-size: 17px;
  cursor: pointer;
}

.nav-mobile {
  border-top: 1px solid var(--color-border-soft);
  background: rgba(12, 12, 14, 0.96);
  padding: 12px var(--gutter) 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-mobile[hidden] {
  display: none;
}
.nav-mobile__link {
  font-size: 16px;
  font-weight: 500;
  padding: 12px 4px;
  color: var(--color-text-soft);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
}

@media (min-width: 860px) {
  .nav-desktop {
    display: flex;
  }
  .menu-toggle,
  .nav-mobile {
    display: none;
  }
}