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

:root {
  --bg-color: #06070a;
  --bg-card: rgba(15, 20, 35, 0.4);
  --bg-card-hover: rgba(22, 28, 48, 0.6);
  --border-color: rgba(255, 255, 255, 0.05);
  --border-color-hover: rgba(255, 255, 255, 0.12);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --primary: #8b5cf6;       /* Violet */
  --primary-rgb: 139, 92, 246;
  --secondary: #10b981;     /* Emerald */
  --secondary-rgb: 16, 185, 129;
  --accent: #06b6d4;        /* Cyan */
  --accent-rgb: 6, 182, 212;
  
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-arabic: 'Cairo', var(--font-sans);
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.15);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

/* Reset and base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-primary);
  overflow-x: hidden;
}

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

body {
  min-height: 100vh;
  position: relative;
  line-height: 1.6;
}

/* Background Gradients */
.background-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  overflow: hidden;
  background-color: var(--bg-color);
}

.glow-blob {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(160px);
  opacity: 0.12;
  pointer-events: none;
  animation: float-slow 20s infinite alternate ease-in-out;
}

.glow-1 {
  background: var(--primary);
  top: -150px;
  right: -50px;
}

.glow-2 {
  background: var(--accent);
  bottom: -100px;
  left: -100px;
  animation-delay: -7s;
}

.glow-3 {
  background: var(--secondary);
  top: 40%;
  right: 20%;
  width: 400px;
  height: 400px;
  animation-delay: -12s;
  opacity: 0.08;
}

@keyframes float-slow {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(8%, 12%) scale(1.15); }
  100% { transform: translate(-5%, -5%) scale(0.9); }
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header & Navbar */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(6, 7, 10, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo-icon {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: var(--transition-smooth);
}

html[dir="rtl"] .nav-links a::after {
  left: auto;
  right: 0;
}

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

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

/* Language Dropdown Custom */
.lang-selector {
  position: relative;
}

.lang-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 99px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.lang-btn:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.05);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: rgba(10, 12, 22, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 0.5rem;
  min-width: 160px;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  box-shadow: var(--shadow-card);
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 110;
}

html[dir="rtl"] .lang-dropdown {
  right: auto;
  left: 0;
}

.lang-dropdown.show {
  display: flex;
}

.lang-option {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.6rem 1rem;
  text-align: left;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-weight: 500;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

html[dir="rtl"] .lang-option {
  text-align: right;
}

.lang-option:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.lang-option.active {
  background: rgba(139, 92, 246, 0.15);
  color: var(--primary);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.75rem;
  cursor: pointer;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero Section */
.hero {
  padding-top: 180px;
  padding-bottom: 80px;
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

html[dir="rtl"] .hero-text {
  align-items: flex-start;
}

.badge-pulse {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
  padding: 0.4rem 1rem;
  border-radius: 99px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  animation: pulse-ring 1.5s infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.85);
    box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(139, 92, 246, 0);
  }
  100% {
    transform: scale(0.85);
    box-shadow: 0 0 0 0 rgba(139, 92, 246, 0);
  }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1.5px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.cta-group {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 2rem;
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border: none;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(139, 92, 246, 0.4);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.status-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
}

.status-info i {
  color: var(--accent);
  font-size: 1rem;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.banner-container {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 4/3;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
  position: relative;
  transition: var(--transition-smooth);
}

.banner-container:hover {
  border-color: rgba(139, 92, 246, 0.3);
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6), 0 0 40px rgba(139, 92, 246, 0.1);
}

.banner-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.banner-container:hover .banner-image {
  transform: scale(1.05);
}

.banner-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1), rgba(var(--accent-rgb), 0.1));
  pointer-events: none;
}

/* Sections General */
section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
}

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

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.feature-card {
  padding: 1.75rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: var(--transition-smooth);
}

.feature-card:hover {
  background: rgba(139, 92, 246, 0.05);
  border-color: rgba(139, 92, 246, 0.2);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(139, 92, 246, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* StuTalent Section */
.stutalent-box {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.stutalent-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
}

.stutalent-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.stutalent-badge {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--secondary);
  padding: 0.35rem 0.85rem;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.stutalent-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.st-feature {
  text-align: center;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.01);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.03);
  transition: var(--transition-smooth);
}

.st-feature:hover {
  border-color: rgba(16, 185, 129, 0.2);
  background: rgba(16, 185, 129, 0.02);
}

.st-icon {
  font-size: 1.75rem;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.st-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.st-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Reference Section */
.reference-card {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  align-items: center;
}

.reference-avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1), rgba(var(--accent-rgb), 0.1));
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.reference-avatar i {
  font-size: 4.5rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ref-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.ref-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.ref-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Contact Section */
.contact-container {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-control {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.85rem 1.25rem;
  border-radius: 10px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--secondary);
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* Footer */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  background: rgba(6, 7, 10, 0.9);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.footer-rights {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 1.25rem;
}

.social-link {
  color: var(--text-secondary);
  font-size: 1.25rem;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.social-link:hover {
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* Responsive design */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-text {
    align-items: center;
  }
  
  html[dir="rtl"] .hero-text {
    align-items: center;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-desc {
    max-width: 100%;
  }
  
  .cta-group {
    justify-content: center;
  }
  
  .status-info {
    justify-content: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Mobile menu can toggle or be simple */
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(6, 7, 10, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .stutalent-features {
    grid-template-columns: 1fr;
  }
  
  .reference-card {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }
  
  .reference-avatar {
    width: 150px;
  }
}