/* ===================================
   Security Code AI - Professional Design System
   =================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Cairo:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables - Light & Dark Theme */
:root {
  /* Brand Colors from Logo */
  --primary: #2D4A5E;
  --primary-light: #3A5F78;
  --primary-dark: #1E3240;
  --secondary: #F59E0B;
  --secondary-light: #FBBF24;
  --accent: #10B981;
  
  /* Neutral Colors */
  --dark: #0F172A;
  --dark-900: #1E293B;
  --dark-800: #334155;
  --light: #F8FAFC;
  --light-100: #F1F5F9;
  --white: #FFFFFF;
  
  /* Typography */
  --font-en: 'Inter', sans-serif;
  --font-ar: 'Cairo', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 40px rgba(245, 158, 11, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===================================
   Base Styles
   =================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-en);
  background: var(--dark);
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

body[dir="rtl"] {
  font-family: var(--font-ar);
}

/* Animated Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(45, 74, 94, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.2) 0%, transparent 50%),
    linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  z-index: -1;
  animation: backgroundShift 15s ease-in-out infinite;
}

@keyframes backgroundShift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 2rem); }

p {
  margin-bottom: var(--spacing-sm);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: var(--light-100);
}

/* ===================================
   Layout Components
   =================================== */

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

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

/* ===================================
   Navigation
   =================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-base);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  transition: var(--transition-base);
}

.logo img {
  height: 50px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(245, 158, 11, 0.3));
  transition: var(--transition-base);
}

.logo:hover img {
  filter: drop-shadow(0 0 20px rgba(245, 158, 11, 0.6));
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
  align-items: center;
}

.nav-menu a {
  color: var(--light);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-base);
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: var(--transition-base);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 80%;
}

.nav-menu a:hover {
  color: var(--secondary);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: var(--spacing-xs);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--light);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-base);
  font-family: inherit;
}

.lang-btn.active {
  background: var(--secondary);
  color: var(--dark);
}

.lang-btn:hover:not(.active) {
  background: rgba(255, 255, 255, 0.1);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.4rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--light);
  border-radius: 2px;
  transition: var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 30%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(45, 74, 94, 0.2) 0%, transparent 50%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  to {
    opacity: 0.7;
  }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero h1 {
  background: linear-gradient(135deg, var(--white) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  margin-bottom: var(--spacing-lg);
  color: var(--light-100);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.4s both;
}

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

/* ===================================
   Buttons
   =================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  color: var(--dark);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px rgba(245, 158, 11, 0.5);
}

.btn-outline {
  background: transparent;
  border-color: var(--secondary);
  color: var(--secondary);
}

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

/* ===================================
   Service Cards
   =================================== */

.services-grid,
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.service-card,
.feature-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before,
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary) 0%, var(--accent) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-base);
}

.service-card:hover::before,
.feature-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover,
.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245, 158, 11, 0.3);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  display: inline-block;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--white);
}

.card-description {
  color: var(--light-100);
  line-height: 1.8;
}

/* ===================================
   Section Headers
   =================================== */

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

.section-title {
  position: relative;
  display: inline-block;
  padding-bottom: var(--spacing-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary) 0%, var(--accent) 100%);
  border-radius: 2px;
}

.section-subtitle {
  color: var(--light-100);
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto;
}

/* ===================================
   Contact Section
   =================================== */

.contact-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-info {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  font-size: 1.25rem;
  color: var(--light);
  text-decoration: none;
  transition: var(--transition-base);
  border-radius: var(--radius-sm);
}

.contact-item:hover {
  background: rgba(245, 158, 11, 0.1);
  color: var(--secondary);
}

.contact-icon {
  font-size: 2rem;
}

/* ===================================
   Footer
   =================================== */

.footer {
  background: rgba(15, 23, 42, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md) 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
}

.footer p {
  color: var(--light-100);
  margin: 0;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  list-style: none;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  color: var(--light);
  text-decoration: none;
  transition: var(--transition-base);
  font-size: 1.25rem;
}

.social-links a:hover {
  background: var(--secondary);
  color: var(--dark);
  transform: translateY(-3px);
}

/* ===================================
   Scroll Animations
   =================================== */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    flex-direction: column;
    background: rgba(15, 23, 42, 0.98);
    width: 100%;
    padding: var(--spacing-md);
    transition: var(--transition-base);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .services-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* RTL Support */
body[dir="rtl"] .nav-menu {
  left: auto;
  right: -100%;
}

body[dir="rtl"] .nav-menu.active {
  left: auto;
  right: 0;
}

body[dir="rtl"] .logo {
  flex-direction: row-reverse;
}