/* ==========================================================================
   Component · Site nav — floating glass pill
   ========================================================================== */

.site-nav {
  position: fixed;
  top: clamp(10px, 1.6vw, 22px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: min(var(--container-nav), calc(100% - 2 * clamp(12px, 2.8vw, 40px)));
  border-radius: var(--radius-pill);
  background: var(--color-nav-glass);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--color-nav-border);
  transition:
    box-shadow var(--duration-medium) var(--ease-gentle),
    background-color var(--duration-medium) var(--ease-gentle),
    border-color var(--duration-theme) var(--ease-gentle);
}

.site-nav.is-scrolled {
  background: var(--color-nav-glass-solid);
  box-shadow: var(--shadow-nav);
}

/* 12px right inset keeps the 44px controls concentric inside the 68px pill */
.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding-inline: 8px 12px;
}

.site-nav__logo {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  height: 100%;
}

.site-nav__logo img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  transition: filter var(--duration-theme) var(--ease-gentle);
}

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Entrance */
.js .site-nav {
  opacity: 0;
  translate: 0 -12px;
  transition:
    opacity var(--duration-reveal) var(--ease-gentle),
    translate var(--duration-reveal) var(--ease-gentle),
    box-shadow var(--duration-medium) var(--ease-gentle),
    background-color var(--duration-medium) var(--ease-gentle),
    border-color var(--duration-theme) var(--ease-gentle);
}

.js.is-loaded .site-nav {
  opacity: 1;
  translate: 0 0;
}

@media (max-width: 45.9375em) {
  .site-nav__inner {
    height: 56px;
    padding-inline: 8px 9px;
  }

  .site-nav__logo img {
    width: 40px;
    height: 40px;
  }

  .button--primary.site-nav__cta {
    height: 38px;
    padding-inline: 16px;
    font-size: 0.8125rem;
  }

  .theme-toggle {
    width: 38px;
    height: 38px;
  }
}