/* Site Navigation — Floating glass nav */
.site-nav {
  --nav-height: 64px;
  --nav-bg: rgba(6, 11, 31, 0.82);
  --nav-border: rgba(255, 255, 255, 0.06);
  --nav-blur: 12px;
  --nav-text: rgba(245, 245, 245, 0.92);
  --nav-text-muted: rgba(245, 245, 245, 0.68);
  --nav-accent: #ffd93d;
  --nav-accent-glow: rgba(255, 217, 61, 0.35);
  --nav-secondary: #ff6b6b;

  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: blur(var(--nav-blur));
  -webkit-backdrop-filter: blur(var(--nav-blur));
  border-bottom: 1px solid var(--nav-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.site-nav__inner {
  max-width: 1400px;
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo / Brand */
.site-nav__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--nav-text);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  transition: color 180ms ease;
}

.site-nav__brand:hover,
.site-nav__brand:focus {
  color: var(--nav-accent);
}

.site-nav__brand:focus-visible {
  outline: 2px solid var(--nav-accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.site-nav__logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--nav-border);
}

.site-nav__brand-text {
  display: block;
}

/* Desktop Navigation Links */
.site-nav__links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .site-nav__links {
    display: flex;
  }
}

.site-nav__link {
  position: relative;
  display: block;
  padding: 0.6rem 1rem;
  color: var(--nav-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 180ms ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.35rem;
  height: 2px;
  background: var(--nav-accent);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms ease;
  box-shadow: 0 0 8px var(--nav-accent-glow);
}

.site-nav__link:hover,
.site-nav__link:focus {
  color: var(--nav-text);
}

.site-nav__link:hover::after,
.site-nav__link:focus::after {
  transform: scaleX(1);
}

.site-nav__link:focus-visible {
  outline: 2px solid var(--nav-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.site-nav__link[aria-current="page"] {
  color: var(--nav-text);
}

.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--nav-secondary);
  box-shadow: 0 0 8px rgba(255, 107, 107, 0.4);
}

/* Mobile Toggle */
.site-nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 180ms ease;
}

@media (min-width: 768px) {
  .site-nav__toggle {
    display: none;
  }
}

.site-nav__toggle:hover,
.site-nav__toggle:focus {
  background: rgba(255, 255, 255, 0.08);
}

.site-nav__toggle:focus-visible {
  outline: 2px solid var(--nav-accent);
  outline-offset: 2px;
}

.site-nav__hamburger {
  position: relative;
  width: 22px;
  height: 16px;
}

.site-nav__hamburger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--nav-text);
  border-radius: 1px;
  transition:
    transform 200ms ease,
    opacity 200ms ease;
}

.site-nav__hamburger span:nth-child(1) {
  top: 0;
}

.site-nav__hamburger span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.site-nav__hamburger span:nth-child(3) {
  bottom: 0;
}

/* Hamburger → X animation */
.site-nav__toggle[aria-expanded="true"] .site-nav__hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav__toggle[aria-expanded="true"] .site-nav__hamburger span:nth-child(2) {
  opacity: 0;
}

.site-nav__toggle[aria-expanded="true"] .site-nav__hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu Drawer */
.site-nav__drawer {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(6, 11, 31, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transform: translateX(100%);
  transition: transform 280ms ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.site-nav__drawer[data-open="true"] {
  transform: translateX(0);
}

@media (min-width: 768px) {
  .site-nav__drawer {
    display: none;
  }
}

.site-nav__drawer-links {
  list-style: none;
  margin: 0;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-nav__drawer-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  color: var(--nav-text-muted);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  border-radius: 12px;
  border: 1px solid transparent;
  transition:
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.site-nav__drawer-link:hover,
.site-nav__drawer-link:focus {
  background: rgba(255, 255, 255, 0.06);
  color: var(--nav-text);
  border-color: var(--nav-border);
}

.site-nav__drawer-link:focus-visible {
  outline: 2px solid var(--nav-accent);
  outline-offset: 2px;
}

.site-nav__drawer-link[aria-current="page"] {
  background: rgba(255, 217, 61, 0.1);
  color: var(--nav-text);
  border-color: rgba(255, 217, 61, 0.25);
}

.site-nav__drawer-icon {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

.site-nav__drawer-link:hover .site-nav__drawer-icon,
.site-nav__drawer-link:focus .site-nav__drawer-icon,
.site-nav__drawer-link[aria-current="page"] .site-nav__drawer-icon {
  opacity: 1;
}

/* Page offset for fixed nav */
body.has-nav {
  padding-top: 64px;
}

/* Transition blocker on load */
.site-nav--loading .site-nav__drawer {
  transition: none;
}