/* ===== CSS Variables ===== */
:root {
  /* Gold Colors */
  --gold-primary: #FFD700;
  --gold-secondary: #F4C430;
  --gold-accent: #DAA520;
  --gold-light: #FFF8DC;
  --gold-gradient: linear-gradient(135deg, #FFD700, #F4C430, #DAA520);
  
  /* Dark Colors */
  --dark-primary: #1a1a1a;
  --dark-secondary: #2d2d2d;
  --dark-accent: #000000;
  --dark-light: #4a4a4a;
  --dark-medium: #6a6a6a;
  --dark-text: #8a8a8a;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #e0e0e0;
  --text-accent: var(--gold-primary);
  
  /* Fonts */
  --font-arabic: 'Tajawal', 'Cairo', 'Amiri', sans-serif;
  --font-english: 'Playfair Display', 'Montserrat', serif;
  --font-body: 'Montserrat', 'Open Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s ease;
  
  /* Shadows */
  --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
  --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-text: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

/* ===== Reset & Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-arabic);
  background: var(--dark-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('assets/backgrounds/wavy_gold_dark_background.jpg') center/cover;
  opacity: 0.1;
  z-index: -2;
  animation: backgroundFloat 20s ease-in-out infinite;
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(244, 196, 48, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(218, 165, 32, 0.05) 0%, transparent 50%);
  z-index: -1;
  animation: gradientShift 15s ease-in-out infinite;
}

@keyframes backgroundFloat {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-20px) scale(1.02); }
}

@keyframes gradientShift {
  0%, 100% { opacity: 0.1; }
  50% { opacity: 0.2; }
}

/* ===== Loading Screen ===== */
#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-text {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
  animation: textGlow 2s ease-in-out infinite;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--dark-secondary);
  border-top: 3px solid var(--gold-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes textGlow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 215, 0, 0.2);
  z-index: 1000;
  transition: all var(--transition-fast);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo .logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 8px;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--gold-primary);
  background: rgba(255, 215, 0, 0.1);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.language-switcher {
  display: flex;
  background: var(--dark-secondary);
  border-radius: 25px;
  padding: 4px;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--gold-primary);
  color: var(--dark-primary);
}

.theme-toggle {
  background: var(--dark-secondary);
  border: none;
  color: var(--gold-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background: var(--gold-primary);
  color: var(--dark-primary);
  transform: scale(1.1);
}

/* ===== Main Content ===== */
.main-content {
  margin-top: 70px;
}

/* ===== Hero Section ===== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(45deg, transparent 30%, rgba(255, 215, 0, 0.1) 50%, transparent 70%),
    radial-gradient(circle at center, rgba(244, 196, 48, 0.2) 0%, transparent 70%);
  animation: heroBackground 10s ease-in-out infinite;
}

@keyframes heroBackground {
  0%, 100% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(2deg) scale(1.05); }
}

.hero-content {
  text-align: center;
  z-index: 2;
  max-width: 800px;
  padding: 0 var(--spacing-md);
}

.hero-title {
  font-size: clamp(1.5rem, 5vw, 3rem);
  font-weight: 900;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  text-shadow: var(--shadow-text);
  animation: titleFloat 3s ease-in-out infinite;
}

.hero-subtitle {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  animation: subtitleFloat 3s ease-in-out infinite 0.5s;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--text-accent);
  margin-bottom: var(--spacing-xl);
  animation: descriptionFloat 3s ease-in-out infinite 1s;
}

@keyframes titleFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes subtitleFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-5px); }
}

@keyframes descriptionFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-3px); }
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gold-gradient);
  color: var(--dark-primary);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--gold-primary);
  border: 2px solid var(--gold-primary);
}

.btn-secondary:hover {
  background: var(--gold-primary);
  color: var(--dark-primary);
  transform: translateY(-3px);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 30px;
  height: 30px;
  border-right: 2px solid var(--gold-primary);
  border-bottom: 2px solid var(--gold-primary);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* ===== Sections ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
}

.section-divider {
  width: 100px;
  height: 4px;
  background: var(--gold-gradient);
  margin: 0 auto;
  border-radius: 2px;
}

/* ===== About Section ===== */
.about-section {
  background: rgba(45, 45, 45, 0.3);
  backdrop-filter: blur(10px);
}

.about-description {
  font-size: 1.2rem;
  line-height: 1.8;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--text-secondary);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.expertise-item {
  background: rgba(26, 26, 26, 0.8);
  padding: var(--spacing-lg);
  border-radius: 15px;
  text-align: center;
  border: 1px solid rgba(255, 215, 0, 0.2);
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

.expertise-item:hover {
  transform: translateY(-10px);
  border-color: var(--gold-primary);
  box-shadow: var(--shadow-gold);
}

.expertise-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.expertise-item h3 {
  color: var(--gold-primary);
  font-size: 1.3rem;
  font-weight: 600;
}

/* ===== Experience Section ===== */
.experience-card {
  background: rgba(26, 26, 26, 0.8);
  padding: var(--spacing-lg);
  border-radius: 15px;
  border: 1px solid rgba(255, 215, 0, 0.2);
  margin-bottom: var(--spacing-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.experience-card:hover {
  border-color: var(--gold-primary);
  box-shadow: var(--shadow-gold);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.card-header h3 {
  color: var(--gold-primary);
  font-size: 1.5rem;
  font-weight: 600;
}

.card-badge {
  background: var(--gold-gradient);
  color: var(--dark-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.card-content ul {
  list-style: none;
}

.card-content li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
  position: relative;
  padding-right: var(--spacing-md);
}

.card-content li::before {
  content: '✦';
  color: var(--gold-primary);
  font-weight: bold;
  position: absolute;
  right: 0;
}

.location-section,
.qualifications-section {
  margin-top: var(--spacing-xl);
}

.location-title,
.qualifications-title {
  font-size: 1.8rem;
  color: var(--gold-primary);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.location-grid,
.qualifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.location-card,
.qualification-item {
  background: rgba(26, 26, 26, 0.8);
  padding: var(--spacing-lg);
  border-radius: 15px;
  text-align: center;
  border: 1px solid rgba(255, 215, 0, 0.2);
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

.location-card:hover,
.qualification-item:hover {
  transform: translateY(-5px);
  border-color: var(--gold-primary);
  box-shadow: var(--shadow-gold);
}

.location-flag,
.qualification-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.location-card h4,
.qualification-item h4 {
  color: var(--gold-primary);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

.location-card p {
  color: var(--text-secondary);
}

/* ===== Contact Section ===== */
.contact-section {
  background: rgba(45, 45, 45, 0.3);
  backdrop-filter: blur(10px);
}

.contact-description {
  font-size: 1.2rem;
  line-height: 1.8;
  text-align: center;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark-accent);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid rgba(255, 215, 0, 0.2);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-text {
  color: var(--text-secondary);
  font-size: 1rem;
}

.footer-copyright {
  color: var(--dark-text);
  font-size: 0.9rem;
}

/* ===== Social Media Icons ===== */
.social-icons .whatsapp-icon {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1000;
}

.social-top-left {
  position: fixed;
  top: 100px;
  left: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  z-index: 1000;
}

.social-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 26, 26, 0.9);
  border: 2px solid var(--gold-primary);
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.social-icon img {
  width: 35px;
  height: 35px;
  object-fit: cover;
  border-radius: 50%;
}

.social-icon:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-gold);
  border-color: var(--gold-secondary);
}

/* ===== Dark Mode ===== */
body.dark-mode {
  --dark-primary: #0a0a0a;
  --dark-secondary: #1a1a1a;
  --text-primary: #f0f0f0;
  --text-secondary: #d0d0d0;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .nav-container {
    padding: 0 var(--spacing-sm);
    height: 60px;
  }
  
  .nav-menu {
    display: none;
  }
  
  .main-content {
    margin-top: 60px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 250px;
  }
  
  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .social-top-left {
    top: 80px;
    left: var(--spacing-sm);
  }
  
  .social-icons .whatsapp-icon {
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
  }
  
  .social-icon {
    width: 50px;
    height: 50px;
  }
  
  .social-icon img {
    width: 30px;
    height: 30px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  section {
    padding: var(--spacing-lg) 0;
  }
  
  .expertise-grid,
  .location-grid,
  .qualifications-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== RTL Support ===== */
[dir="rtl"] .card-content li::before {
  right: auto;
  left: 0;
}

[dir="rtl"] .card-content li {
  padding-right: 0;
  padding-left: var(--spacing-md);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

/* ===== Scroll Animations ===== */
.scroll-animate {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease;
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--dark-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--gold-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gold-secondary);
}