/* ===========================================
   WAEL ALLAM - DESIGN SYSTEM
   Executive Premium Theme (xorax.io style)
   =========================================== */

/* ------------ CSS VARIABLES ------------ */
:root {
  /* Colors - Dark Executive Theme */
  --bg-primary: #0a0f1a;
  --bg-secondary: #0d1321;
  --bg-card: rgba(20, 30, 48, 0.6);
  --bg-card-hover: rgba(25, 40, 60, 0.8);
  --bg-gradient: linear-gradient(135deg, #0a0f1a 0%, #1a1f2e 50%, #0d1321 100%);
  
  /* Accent Colors */
  --accent-primary: #00d4ff;
  --accent-secondary: #00a890;
  --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #00a890 100%);
  --accent-glow: 0 0 30px rgba(0, 212, 255, 0.3);
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --text-muted: #718096;
  
  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 212, 255, 0.3);
  
  /* Fonts */
  --font-arabic: 'Cairo', 'IBM Plex Sans Arabic', sans-serif;
  --font-english: 'Inter', 'Segoe UI', sans-serif;
  
  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
}

/* ------------ RESET & BASE ------------ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-english);
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

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

/* Background Grid Effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

/* ------------ TYPOGRAPHY ------------ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--text-primary);
}

h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--accent-secondary);
}

/* ------------ LAYOUT ------------ */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

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

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
}

/* ------------ NAVIGATION ------------ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(10, 15, 26, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-base);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(10, 15, 26, 0.95);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  padding: 8px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: 4px;
  border: 1px solid var(--border-subtle);
}

.lang-toggle button {
  padding: 8px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-xl);
  transition: var(--transition-fast);
  font-size: 0.875rem;
}

.lang-toggle button.active {
  background: var(--accent-gradient);
  color: var(--bg-primary);
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-base);
}

/* ------------ HERO SECTION ------------ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
}

.hero-title {
  margin-bottom: 8px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--accent-primary);
  margin-bottom: 24px;
  font-weight: 500;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Floating Elements */
.hero-visual {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  opacity: 0.3;
  pointer-events: none;
}

.floating-orb {
  position: absolute;
  border-radius: 50%;
  background: var(--accent-gradient);
  filter: blur(60px);
  animation: float 8s ease-in-out infinite;
}

.floating-orb:nth-child(1) {
  width: 300px;
  height: 300px;
  top: 20%;
  right: 10%;
  animation-delay: 0s;
}

.floating-orb:nth-child(2) {
  width: 200px;
  height: 200px;
  bottom: 20%;
  right: 30%;
  animation-delay: -2s;
}

/* ------------ BUTTONS ------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-base);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  box-shadow: var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
  color: var(--bg-primary);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-accent);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

/* ------------ KPI CHIPS ------------ */
.kpi-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  padding: 40px 0;
}

.kpi-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  font-weight: 500;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

.kpi-chip::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
  animation: shimmer 3s infinite;
}

.kpi-chip:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.kpi-chip .icon {
  color: var(--accent-primary);
}

/* ------------ CARDS ------------ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: var(--accent-primary);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.card p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ------------ SYSTEMS SECTION ------------ */
.systems-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.system-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.system-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.system-card .badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-primary);
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.system-card h3 {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.system-features {
  list-style: none;
  margin-top: 24px;
}

.system-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.system-features li:last-child {
  border-bottom: none;
}

.system-features .check {
  color: var(--accent-secondary);
  font-size: 1.25rem;
}

/* ------------ TIMELINE ------------ */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--border-subtle);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: 50%;
  position: relative;
  margin-bottom: 40px;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: 50%;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  max-width: 350px;
  position: relative;
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 30px;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--accent-gradient);
  border-radius: 50%;
  border: 3px solid var(--bg-primary);
}

.timeline-date {
  font-size: 0.875rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.timeline-company {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ------------ SKILLS GRID ------------ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.skill-item:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
}

.skill-item .icon {
  color: var(--accent-primary);
  font-size: 1.25rem;
}

/* ------------ GALLERY ------------ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 24px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16/10;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-base);
}

.gallery-item.blurred img {
  filter: blur(8px);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(10, 15, 26, 0.9));
  color: var(--text-primary);
}

/* ------------ CONTACT FORM ------------ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition-base);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.contact-card:hover {
  border-color: var(--accent-primary);
}

.contact-card .icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--accent-primary);
  font-size: 1.25rem;
}

/* ------------ FOOTER ------------ */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 60px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ------------ ARTICLE STYLES ------------ */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
}

.article-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.article-image {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-base);
}

.article-card:hover .article-image img {
  transform: scale(1.05);
}

.article-body {
  padding: 24px;
}

.article-category {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-primary);
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.article-date {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 12px;
}

/* ------------ RESPONSIVE ------------ */
@media (max-width: 992px) {
  .systems-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item,
  .timeline-item:nth-child(even) {
    padding-left: 60px;
    padding-right: 0;
    justify-content: flex-start;
  }
  
  .timeline-item::after {
    left: 20px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }
  
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 15, 26, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-visual {
    display: none;
  }
  
  .kpi-strip {
    gap: 12px;
  }
  
  .kpi-chip {
    padding: 10px 16px;
    font-size: 0.875rem;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .article-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .card {
    padding: 24px;
  }
  
  .system-card {
    padding: 24px;
  }
  
  .btn {
    width: 100%;
  }
}