/**
 * Enhanced Navbar - Inspired by Khotwa Official Website
 * Created: Dec 28, 2025
 * Purpose: Clean, professional, and responsive navigation
 */

/* ========================================
   NAVBAR - ENHANCED
   ======================================== */

.navbar {
  position: fixed !important; /* Fixed position - يبقى في الأعلى */
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--color-bg-white, #ffffff);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); /* Shadow أوضح */
  backdrop-filter: saturate(140%) blur(12px);
  transition: all 0.3s ease-in-out;
  height: 80px; /* Fixed height */
}

/* إضافة padding-top للـ body لتعويض Fixed navbar */
body {
  padding-top: 80px;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0;
  max-width: 1200px; /* كما في موقع البعثة */
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

/* Logo & Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.125rem; /* 18px */
  color: var(--color-text-primary, #1a1a1a);
  transition: opacity 0.3s ease;
}

.brand:hover {
  opacity: 0.8;
}

.logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Navigation Links - Desktop */
.nav-links {
  display: flex;
  gap: 2rem; /* 32px - مسافة كبيرة */
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 1rem; /* 16px */
  font-weight: 500;
  color: var(--color-text-primary, #1a1a1a);
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--color-primary-600, #5B4FFF);
  background-color: var(--color-primary-50, #f5f3ff);
}

/* Active link indicator */
.nav-links a[aria-current="page"] {
  color: var(--color-primary-600, #5B4FFF);
  font-weight: 600;
}

.nav-links a[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.75rem;
  right: 0.75rem;
  height: 2px;
  background-color: var(--color-primary-600, #5B4FFF);
  border-radius: 2px;
}

/* Language Toggle */
.lang-toggle {
  font-size: 1.125rem; /* 18px */
  font-weight: 500;
  color: var(--color-text-primary, #1a1a1a);
  background-color: transparent;
  border: 2px solid var(--color-neutral-200, #e5e5e5);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 44px;
}

.lang-toggle:hover {
  background-color: var(--color-primary-50, #f5f3ff);
  border-color: var(--color-primary-600, #5B4FFF);
  color: var(--color-primary-600, #5B4FFF);
}

/* Menu Toggle (Hamburger) - Mobile */
.menu-toggle {
  display: none; /* Hidden on desktop */
  align-items: center;
  gap: 0.5rem;
  background-color: transparent;
  border: 2px solid var(--color-neutral-200, #e5e5e5);
  color: var(--color-text-primary, #1a1a1a);
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 44px;
  font-size: 1rem;
  font-weight: 500;
}

.menu-toggle:hover {
  background-color: var(--color-primary-50, #f5f3ff);
  border-color: var(--color-primary-600, #5B4FFF);
  color: var(--color-primary-600, #5B4FFF);
}

.menu-toggle svg {
  transition: transform 0.3s ease;
}

.menu-toggle[aria-expanded="true"] svg {
  transform: rotate(90deg);
}

/* ========================================
   MOBILE RESPONSIVE
   ======================================== */

@media (max-width: 960px) {
  .navbar {
    height: 70px;
  }
  
  body {
    padding-top: 70px;
  }
  
  .nav-inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .menu-toggle {
    display: inline-flex; /* Show on mobile */
  }
  
  /* Mobile Menu */
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background-color: var(--color-bg-white, #ffffff);
    border-bottom: 1px solid var(--color-neutral-200, #e5e5e5);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    padding: 1.5rem 1rem;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    
    /* Animation */
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
  }
  
  .nav-links[data-open="true"] {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-links a {
    width: 100%;
    padding: 1rem;
    font-size: 1.125rem; /* 18px - أكبر على Mobile */
    border-radius: 0.5rem;
    text-align: right;
  }
  
  .nav-links a[aria-current="page"]::after {
    display: none; /* Hide underline on mobile */
  }
  
  .nav-links a[aria-current="page"] {
    background-color: var(--color-primary-50, #f5f3ff);
  }
  
  .lang-toggle {
    margin-top: 1rem;
    width: 100%;
    justify-content: center;
  }
  
  .logo {
    width: 40px;
    height: 40px;
  }
  
  .brand {
    font-size: 1rem;
  }
}

/* ========================================
   TABLET
   ======================================== */

@media (min-width: 961px) and (max-width: 1200px) {
  .nav-links {
    gap: 1.5rem; /* 24px على Tablet */
  }
  
  .nav-inner {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* ========================================
   SCROLL BEHAVIOR
   ======================================== */

/* Navbar يصغر عند التمرير (optional) */
.navbar.scrolled {
  height: 70px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

@media (max-width: 960px) {
  .navbar.scrolled {
    height: 60px;
  }
  
  body {
    padding-top: 60px;
  }
  
  .nav-links {
    top: 60px;
    max-height: calc(100vh - 60px);
  }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

/* Focus states */
.nav-links a:focus-visible,
.lang-toggle:focus-visible,
.menu-toggle:focus-visible {
  outline: 2px solid var(--color-primary-600, #5B4FFF);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .navbar,
  .nav-links,
  .nav-links a,
  .menu-toggle svg {
    transition: none;
  }
}

/* ========================================
   DARK MODE SUPPORT (Optional)
   ======================================== */

@media (prefers-color-scheme: dark) {
  .navbar {
    background-color: rgba(15, 23, 42, 0.95);
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }
  
  .nav-links {
    background-color: rgba(15, 23, 42, 0.98);
  }
  
  .brand,
  .nav-links a,
  .menu-toggle {
    color: #e5e7eb;
  }
  
  .menu-toggle,
  .lang-toggle {
    border-color: rgba(255, 255, 255, 0.1);
  }
}