/* =========================================================
   🌐 POWEREXPERT HEADER & NAVIGATION STYLES
   Clean | Organized | Maintains Original Design
========================================================= */

/* =========================
   🔷 1. Header Container
========================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  padding: 0 20px;
  background: radial-gradient(circle, rgba(5, 18, 45, 0.8) 0%, rgba(1, 3, 11, 0.8) 100%);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* =========================
   🔷 2. Hamburger Buttons
========================= */
.menu-toggle {
  width: 40px;
  height: 40px;
  margin: 0 20px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-toggle.left { order: 0; margin-left: 0; }
.menu-toggle.right { order: 2; margin-right: 40px; margin-left: 0; }

/* =========================
   🔷 3. Branding
========================= */
.header-branding {
  order: 1;
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: calc(100% - 160px);
}

.header-branding .site-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  color: #fff;
  letter-spacing: 0.05em;
  text-shadow: 1px 1px 2px black;
  animation: titlePulse 5s infinite;
  transition: all 0.3s ease;
}

.header-branding .site-title:hover {
  color: #00ffcc;
  text-shadow: 0 0 7px #00ffcc;
}

@media (min-width: 768px) {
  .header-branding .site-title { font-size: 1.2rem; }
}

@keyframes titlePulse {
  0%, 100% { text-shadow: 0 0 4px #00ffcc, 0 0 8px #00ffcc; }
  50% { text-shadow: 0 0 12px #00ffcc, 0 0 20px #00ffcc; }
}

.header-branding .site-logo {
  height: 65px;
  width: auto;
  filter: drop-shadow(0 0 2px #00ffcc);
}

/* =========================
   🔷 4. Hamburger Lines
========================= */
.hamburger,
.hamburger::before,
.hamburger::after {
  content: '';
  display: block;
  width: 25px;
  height: 1.4px;
  background: white;
  position: absolute;
  left: 0;
  right: 0;
  margin: auto;
  border-radius: 2px;
  transition: transform 0.25s ease, box-shadow 0.15s ease, background-color 0.3s ease;
  box-shadow: 0 0 8px rgba(0, 255, 255, 0.6);
  animation: heartbeat-pulse 10s infinite;
  transform-origin: center center;
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

@keyframes heartbeat-pulse {
  0%, 40%, 100% { transform: scale(1); box-shadow: 0 0 8px rgba(0, 255, 255, 0.6); }
  42% { transform: scale(1.3); box-shadow: 0 0 30px rgba(255, 255, 255, 1); }
  70% { transform: scale(1); box-shadow: 0 0 8px rgba(0, 255, 255, 0.6); }
  72% { transform: scale(1.25); box-shadow: 0 0 25px rgba(255, 255, 255, 1); }
}

.menu-toggle[aria-expanded="true"] .hamburger,
.menu-toggle[aria-expanded="true"] .hamburger::before,
.menu-toggle[aria-expanded="true"] .hamburger::after {
  animation: none !important;
  box-shadow: 0 0 18px rgba(0, 255, 255, 0.8) !important;
  background-color: white !important;
}

.menu-toggle[aria-expanded="true"] .hamburger {
  transform: rotate(45deg);
  box-shadow: 0 0 25px rgba(0, 255, 255, 0.9);
}
.menu-toggle[aria-expanded="true"] .hamburger::before,
.menu-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(90deg);
  box-shadow: 0 0 25px rgba(0, 255, 255, 0.9);
}

/* =========================
   🔷 5. Fullscreen Navigation
========================= */
.main-navigation {
  top: 0;
  position: fixed;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(1, 3, 11, 0.95);
  opacity: 0;
  visibility: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  z-index: 1050;
  padding: 20px;
  box-sizing: border-box;
  text-align: center;
}

.main-navigation.open { opacity: 1; visibility: visible; }

/* =========================
   🔷 6. Navigation Lists & Scrollbars
========================= */
.main-navigation ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 60px 20px 20px;
  margin: 0;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #2ecc71 transparent;
}

.main-navigation ul::-webkit-scrollbar { width: 6px; }
.main-navigation ul::-webkit-scrollbar-thumb {
  background-color: #2ecc71;
  border-radius: 3px;
}

/* =========================
   🔷 7. Navigation Items (Improved & Aligned Higher)
========================= */

.main-navigation.nav-left,
.main-navigation.nav-right {
  position: fixed;
  top: 0;
  width: 240px;
  height: 100vh;
  background: rgba(1, 3, 11, 0.6);
  backdrop-filter: blur(4px);
  box-shadow: inset 0 0 12px rgba(255, 255, 255, 0.1);
  transform: translateX(var(--off));
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.3s ease;
  z-index: 1050;

  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 12%; /* slight default offset */
}

/* Slide directions */
.main-navigation.nav-left {
  --off: -100%;
  left: 0;
}
.main-navigation.nav-right {
  --off: 100%;
  right: 0;
  left: auto;
}

/* When open */
.main-navigation.nav-left.open,
.main-navigation.nav-right.open {
  transform: translateX(0);
  opacity: 1;
  box-shadow: 0 0 25px rgba(0, 255, 204, 0.4),
              inset 0 0 12px rgba(255, 255, 255, 0.1);
}

/* =========================
   🔹 Navigation List Layout
========================= */
.main-navigation ul {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}

/* Scrollbar styling */
.main-navigation ul::-webkit-scrollbar {
  width: 6px;
}
.main-navigation ul::-webkit-scrollbar-thumb {
  background-color: #2ecc71;
  border-radius: 3px;
}

/* =========================
   🔹 Nav Links
========================= */
.main-navigation ul li a {
  display: block;
  width: 160px;
  text-align: center;
  color: #ffffff;
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.3s ease, text-shadow 0.3s ease, border-color 0.3s ease;
}

.main-navigation ul li a:hover,
.main-navigation ul li a:focus {
  color: #00ffcc;
  text-shadow: 0 0 8px #00ffcc;
  border-bottom-color: #00ffcc;
}

/* =========================
   🔹 Separator Line
========================= */
.main-navigation.nav-left ul > .menu-separator,
.main-navigation.nav-right ul > .menu-separator {
  list-style: none;
  width: 160px;
  height: 0;
  border-bottom: 1px solid rgba(46, 204, 113, 0.25);
  margin: 8px 0;
  align-self: center;
  pointer-events: none;
}

/* =========================
   🔹 Responsive Spacing Tweaks
========================= */

/* Desktop — move items higher, tighter spacing */
@media (min-width: 1024px) {
  .main-navigation.nav-left,
  .main-navigation.nav-right {
    padding-top: 8%; /* higher up than before */
  }

  .main-navigation ul {
    gap: 14px; /* tighter spacing */
  }
}

/* Mobile — smaller gap */
@media (max-width: 768px) {
  .main-navigation.nav-left,
  .main-navigation.nav-right {
    padding-top: 14%; /* keep comfortable top padding */
  }

  .main-navigation ul {
    gap: 10px;
  }
}

/* =========================================================
   ✅ FIX: ensure right menu slides from right, not left
========================================================= */
.main-navigation.nav-left {
  left: 0;
  transform: translateX(-100%);
}

.main-navigation.nav-right {
  right: 0;
  left: auto;
  transform: translateX(100%);
}

.main-navigation.nav-left.open {
  transform: translateX(0);
}

.main-navigation.nav-right.open {
  transform: translateX(0);
}


/* =========================================================
   ✅ FIX: ensure right menu slides from right, not left
========================================================= */
.main-navigation.nav-left {
  left: 0;
  transform: translateX(-100%);
}

.main-navigation.nav-right {
  right: 0;
  left: auto;
  transform: translateX(100%);
}

.main-navigation.nav-left.open {
  transform: translateX(0);
}

.main-navigation.nav-right.open {
  transform: translateX(0);
}


/* =========================
   🔷 8. Responsive Adjustments
========================= */

/* موبايل — مسافات أصغر وأعلى */
@media (max-width: 768px) {
  .main-navigation ul {
    padding-top: 3%; /* أعلى أكثر */
    gap: 10px;       /* مسافة أقل */
  }
}

/* ديسكتوب واسع — رفع خفيف للأعلى */
@media (min-width: 1024px) {
  .main-navigation ul {
    padding-top: 4%;
    gap: 14px;
  }
}