/* =============================================
   NAVIGATION STYLES
============================================= */

/* Site Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.scrolled {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 40px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}

.site-logo img {
  height: 38px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text .brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.logo-text .tagline {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  text-transform: uppercase;
}

/* Primary Navigation */
.primary-nav {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.primary-nav ul li a {
  display: block;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-2);
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  position: relative;
}

.primary-nav ul li a:hover,
.primary-nav ul li.current-menu-item a,
.primary-nav ul li a.active {
  color: var(--color-text);
  background: rgba(255,255,255,0.06);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 6px;
  cursor: pointer;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.menu-toggle:hover {
  background: rgba(255,255,255,0.1);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 999;
  padding: 100px 24px 40px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  display: block;
  padding: 16px 20px;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.mobile-menu a:hover {
  color: var(--color-primary);
  background: rgba(249,115,22,0.08);
  border-color: rgba(249,115,22,0.2);
}

.mobile-menu-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.mobile-menu-actions .btn {
  width: 100%;
  justify-content: center;
}

/* Responsive Nav */
@media (max-width: 1024px) {
  .primary-nav { display: none; }
  .menu-toggle { display: flex; }
  .header-actions .btn:not(.btn-primary) { display: none; }
}

@media (max-width: 768px) {
  .header-inner { height: 64px; }
}