/* ============================================================
   BigaTech Solutions - Main Stylesheet
   Dark Cyberpunk/Neon Theme - Blue/Purple Gradient
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;900&family=Rajdhani:wght@400;500;600;700&family=Orbitron:wght@400;700;900&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --primary:       #6c63ff;
  --primary-light: #8b83ff;
  --secondary:     #00d4ff;
  --accent:        #ff6b9d;
  --gold:          #ffd700;
  --bg-dark:       #050510;
  --bg-card:       rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.08);
  --border-glass:  rgba(255,255,255,0.08);
  --text-primary:  #f0f0ff;
  --text-secondary:#a0a0c0;
  --text-muted:    #606080;
  --gradient-main: linear-gradient(135deg, #6c63ff 0%, #00d4ff 100%);
  --gradient-dark: linear-gradient(135deg, #1a0535 0%, #050510 50%, #001030 100%);
  --glow-primary:  0 0 20px rgba(108,99,255,0.5);
  --glow-secondary:0 0 20px rgba(0,212,255,0.5);
  --glow-accent:   0 0 20px rgba(255,107,157,0.5);
  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius:        12px;
  --radius-lg:     20px;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Cairo', 'Rajdhani', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 20% 20%, rgba(108,99,255,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(0,212,255,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(255,107,157,0.03) 0%, transparent 70%);
}

/* RTL support for Arabic */
body[dir="rtl"] { font-family: 'Cairo', sans-serif; }
body[dir="ltr"] { font-family: 'Rajdhani', 'Cairo', sans-serif; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ---------- Selection ---------- */
::selection { background: var(--primary); color: #fff; }

/* ---------- Typography ---------- */
h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.3; }
h1 { font-size: clamp(2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.8rem); }
a { text-decoration: none; color: inherit; transition: var(--transition); }

/* ---------- Utility Classes ---------- */
.text-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-primary   { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-accent    { color: var(--accent) !important; }
.text-muted     { color: var(--text-muted) !important; }

.section { padding: 100px 0; position: relative; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { color: var(--text-secondary); max-width: 600px; margin: 0 auto; font-size: 1.1rem; }
.section-divider {
  width: 80px; height: 3px;
  background: var(--gradient-main);
  margin: 16px auto;
  border-radius: 2px;
  position: relative;
}
.section-divider::after {
  content: '';
  position: absolute;
  width: 30px; height: 3px;
  background: var(--accent);
  top: 0; left: 50%; transform: translateX(-50%);
  border-radius: 2px;
  animation: dividerPulse 2s ease-in-out infinite;
}
@keyframes dividerPulse { 0%,100%{opacity:1;} 50%{opacity:0.3;} }

/* ---------- Glassmorphism Card ---------- */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
}
.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(108,99,255,0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(108,99,255,0.15);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  font-family: inherit;
  letter-spacing: 0.5px;
}
.btn::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  background: rgba(255,255,255,0.15);
  transform: translate(-50%,-50%);
  border-radius: 50%;
  transition: width 0.5s, height 0.5s;
}
.btn:hover::before { width: 300px; height: 300px; }

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108,99,255,0.6);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--glow-primary);
}
.btn-ghost {
  background: rgba(108,99,255,0.1);
  color: var(--primary-light);
  border: 1px solid rgba(108,99,255,0.3);
}
.btn-ghost:hover {
  background: rgba(108,99,255,0.2);
  border-color: var(--primary);
}
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-lg { padding: 18px 44px; font-size: 1.1rem; }

/* ---------- Navigation ---------- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(5,5,16,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}
.nav-logo span { color: var(--accent); -webkit-text-fill-color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--gradient-main);
  transition: width var(--transition);
  border-radius: 1px;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
  background: rgba(108,99,255,0.1);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 60%; }

.nav-actions { display: flex; align-items: center; gap: 12px; }

/* Language Switcher */
.lang-switcher {
  display: flex;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  overflow: hidden;
  padding: 2px;
}
.lang-btn {
  padding: 5px 12px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  font-family: inherit;
  letter-spacing: 0.5px;
}
.lang-btn.active {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 2px 10px rgba(108,99,255,0.4);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-glass);
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: var(--transition);
}

/* ---------- Hero Section ---------- */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
/* Animated grid */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108,99,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108,99,255,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}
@keyframes gridMove { 0%{transform:translateY(0);} 100%{transform:translateY(60px);} }

/* Glowing orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  animation: orbFloat 8s ease-in-out infinite;
}
.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(108,99,255,0.2), transparent);
  top: -100px; right: -100px;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,212,255,0.15), transparent);
  bottom: -50px; left: -50px;
  animation-delay: -4s;
}
.hero-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,107,157,0.1), transparent);
  top: 50%; left: 40%;
  animation-delay: -2s;
}
@keyframes orbFloat {
  0%,100%{transform:translate(0,0) scale(1);}
  33%{transform:translate(20px,-20px) scale(1.05);}
  66%{transform:translate(-10px,15px) scale(0.95);}
}

/* Particles */
.particles { position: absolute; inset: 0; overflow: hidden; }
.particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--secondary);
  border-radius: 50%;
  animation: particleFloat linear infinite;
  opacity: 0;
}
@keyframes particleFloat {
  0%{transform:translateY(100vh) scale(0);opacity:0;}
  10%{opacity:1;}
  90%{opacity:1;}
  100%{transform:translateY(-100px) scale(1);opacity:0;}
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(108,99,255,0.15);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--primary-light);
  margin-bottom: 24px;
  animation: fadeInDown 0.8s ease forwards;
}
.hero-badge-dot {
  width: 8px; height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{box-shadow:0 0 0 0 rgba(0,212,255,0.4);} 70%{box-shadow:0 0 0 10px rgba(0,212,255,0);} }

.hero-title {
  font-family: 'Orbitron', 'Cairo', sans-serif;
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s 0.2s ease both;
}
body[dir="rtl"] .hero-title { font-family: 'Cairo', sans-serif; }
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
  line-height: 1.8;
  animation: fadeInUp 0.8s 0.4s ease both;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fadeInUp 0.8s 0.6s ease both;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 60px;
  animation: fadeInUp 0.8s 0.8s ease both;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  animation: fadeIn 1s 1.5s ease both;
}
.scroll-mouse {
  width: 24px; height: 36px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  position: relative;
}
.scroll-wheel {
  width: 4px; height: 8px;
  background: var(--primary);
  border-radius: 2px;
  position: absolute;
  top: 5px; left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease infinite;
}
@keyframes scrollWheel { 0%{top:5px;opacity:1;} 100%{top:20px;opacity:0;} }

/* ---------- About Section ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.about-img-wrapper {
  width: 360px; height: 360px;
  position: relative;
}
.about-img-circle {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: var(--gradient-main);
  padding: 4px;
  animation: rotateBorder 8s linear infinite;
}
.about-img-inner {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8rem;
  overflow: hidden;
}
@keyframes rotateBorder { 0%{filter:hue-rotate(0deg);} 100%{filter:hue-rotate(360deg);} }

.about-floating-badge {
  position: absolute;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  animation: float 4s ease-in-out infinite;
  white-space: nowrap;
}
.about-floating-badge.b1 { top: 20px; right: -20px; animation-delay: 0s; }
.about-floating-badge.b2 { bottom: 40px; left: -20px; animation-delay: -2s; }
.about-floating-badge i { font-size: 1.3rem; }
@keyframes float { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-10px);} }

.about-content { }
.about-content h2 { margin-bottom: 16px; }
.about-content p { color: var(--text-secondary); margin-bottom: 24px; line-height: 1.9; }
.about-features { list-style: none; margin: 24px 0; }
.about-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.95rem;
}
.about-features li i {
  color: var(--secondary);
  font-size: 1rem;
  width: 20px;
}
.about-features li strong { color: var(--text-primary); }

/* ---------- Services Section ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.service-card {
  padding: 36px 28px;
  text-align: center;
  cursor: default;
}
.service-icon-wrap {
  width: 72px; height: 72px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 2rem;
  position: relative;
  transition: var(--transition);
}
.service-card:hover .service-icon-wrap {
  transform: scale(1.1) rotate(5deg);
}
.service-card h3 { font-size: 1.15rem; margin-bottom: 12px; color: var(--text-primary); }
.service-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.8; }

/* ---------- Projects Section ---------- */
.projects-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
  font-family: inherit;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(108,99,255,0.4);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}
.project-card { overflow: hidden; }
.project-image {
  height: 200px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(108,99,255,0.2), rgba(0,212,255,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover .project-image img { transform: scale(1.08); }
.project-image-placeholder {
  font-size: 4rem;
  opacity: 0.3;
}
.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5,5,16,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-body { padding: 24px; }
.project-category {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(108,99,255,0.15);
  color: var(--primary-light);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.project-body h3 { font-size: 1.1rem; margin-bottom: 8px; }
.project-body p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.7; margin-bottom: 16px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tag {
  padding: 3px 10px;
  background: rgba(0,212,255,0.1);
  color: var(--secondary);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* ---------- Skills Section ---------- */
.skills-categories { }
.skills-category { margin-bottom: 48px; }
.skills-category-title {
  font-size: 1rem;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.skills-category-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(0,212,255,0.3), transparent);
}
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.skill-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: default;
}
.skill-badge:hover {
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: 0 8px 25px rgba(108,99,255,0.2);
}
.skill-badge i { font-size: 1.6rem; }
.skill-badge-name { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
.skill-level-bar {
  width: 60px; height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}
.skill-level-fill {
  height: 100%;
  background: var(--gradient-main);
  border-radius: 2px;
  width: 0;
  transition: width 1.5s ease;
}

/* ---------- Testimonials Section ---------- */
.testimonials-slider { position: relative; overflow: hidden; }
.testimonials-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.testimonial-slide { min-width: 100%; padding: 0 20px; }
.testimonial-card { padding: 40px; max-width: 700px; margin: 0 auto; text-align: center; }
.testimonial-quote {
  font-size: 4rem;
  color: var(--primary);
  line-height: 0.5;
  margin-bottom: 24px;
  opacity: 0.5;
  font-family: Georgia, serif;
}
.testimonial-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.9;
  font-style: italic;
  margin-bottom: 28px;
}
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: 16px; }
.testimonial-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.1);
  overflow: hidden;
}
.testimonial-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial-info { text-align: start; }
.testimonial-name { font-weight: 700; font-size: 1rem; }
.testimonial-position { font-size: 0.8rem; color: var(--text-muted); }
.testimonial-stars { display: flex; gap: 3px; margin-top: 4px; }
.testimonial-stars i { color: var(--gold); font-size: 0.8rem; }

.slider-controls { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 32px; }
.slider-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.slider-btn:hover {
  background: var(--gradient-main);
  border-color: transparent;
  box-shadow: var(--glow-primary);
}
.slider-dots { display: flex; gap: 8px; }
.slider-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.slider-dot.active {
  background: var(--gradient-main);
  width: 24px;
  border-radius: 4px;
  box-shadow: var(--glow-primary);
}

/* ---------- Contact Section ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
}
.contact-info h3 { margin-bottom: 8px; }
.contact-info p { color: var(--text-secondary); margin-bottom: 32px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.contact-item-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(108,99,255,0.15);
  border: 1px solid rgba(108,99,255,0.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-text label { font-size: 0.75rem; color: var(--text-muted); display: block; }
.contact-item-text a, .contact-item-text span { color: var(--text-primary); font-weight: 500; font-size: 0.95rem; }
.contact-item-text a:hover { color: var(--primary-light); }
.social-links { display: flex; gap: 12px; margin-top: 28px; }
.social-link {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.social-link:hover {
  background: var(--gradient-main);
  border-color: transparent;
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--glow-primary);
}

/* Contact Form */
.contact-form-card { padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* Project Type Selector */
.project-type-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 4px;
}
.project-type-option { position: relative; cursor: pointer; }
.project-type-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}
.project-type-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 8px;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid var(--border-glass);
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
  text-align: center;
  min-height: 72px;
  user-select: none;
}
.project-type-card i {
  font-size: 1.5rem;
  transition: var(--transition);
}
.project-type-option:hover .project-type-card {
  border-color: rgba(108,99,255,0.4);
  background: rgba(108,99,255,0.08);
  color: var(--text-secondary);
}
.project-type-option input[type="radio"]:checked + .project-type-card {
  border-color: var(--primary);
  background: rgba(108,99,255,0.15);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(108,99,255,0.25);
}
.project-type-option input[type="radio"]:checked + .project-type-card i {
  color: var(--primary);
  filter: drop-shadow(0 0 6px rgba(108,99,255,0.6));
}
/* Icons per type */
.project-type-option:nth-child(1) .project-type-card i { color: #00d4ff; }
.project-type-option:nth-child(2) .project-type-card i { color: #3ddc84; }
.project-type-option:nth-child(3) .project-type-card i { color: #6c63ff; }
.project-type-option:nth-child(4) .project-type-card i { color: #ff6b9d; }
.project-type-option:nth-child(5) .project-type-card i { color: #ffd700; }
@media (max-width: 600px) {
  .project-type-grid { grid-template-columns: repeat(3, 1fr); }
}
.form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}
.form-control {
  width: 100%;
  padding: 13px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}
.form-control:focus {
  border-color: var(--primary);
  background: rgba(108,99,255,0.07);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.1);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-feedback {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 16px;
  display: none;
}
.form-feedback.success {
  background: rgba(0,255,136,0.1);
  border: 1px solid rgba(0,255,136,0.3);
  color: #00ff88;
  display: block;
}
.form-feedback.error {
  background: rgba(255,107,157,0.1);
  border: 1px solid rgba(255,107,157,0.3);
  color: var(--accent);
  display: block;
}

/* ---------- Footer ---------- */
footer {
  padding: 60px 0 24px;
  border-top: 1px solid var(--border-glass);
  background: rgba(0,0,0,0.3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { color: var(--text-secondary); margin-top: 12px; font-size: 0.9rem; line-height: 1.8; }
.footer-col h4 { font-size: 1rem; margin-bottom: 16px; color: var(--text-primary); }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: var(--text-muted); font-size: 0.9rem; transition: var(--transition); }
.footer-links a:hover { color: var(--primary-light); padding-inline-start: 4px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.04);
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Scroll-to-top ---------- */
#scrollTop {
  position: fixed;
  bottom: 30px;
  inset-inline-end: 30px;
  width: 44px; height: 44px;
  background: var(--gradient-main);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--glow-primary);
  z-index: 999;
}
#scrollTop.show { opacity: 1; visibility: visible; }
#scrollTop:hover { transform: scale(1.1) translateY(-3px); }

/* ---------- Animations ---------- */
@keyframes fadeIn { from{opacity:0;} to{opacity:1;} }
@keyframes fadeInUp { from{opacity:0;transform:translateY(30px);} to{opacity:1;transform:translateY(0);} }
@keyframes fadeInDown { from{opacity:0;transform:translateY(-20px);} to{opacity:1;transform:translateY(0);} }
@keyframes fadeInLeft { from{opacity:0;transform:translateX(-30px);} to{opacity:1;transform:translateX(0);} }
@keyframes fadeInRight { from{opacity:0;transform:translateX(30px);} to{opacity:1;transform:translateX(0);} }
@keyframes scaleIn { from{opacity:0;transform:scale(0.8);} to{opacity:1;transform:scale(1);} }

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.animate-on-scroll.animated { opacity: 1; transform: translateY(0); }
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }
.animate-delay-5 { transition-delay: 0.5s; }

/* ---------- Loading Screen ---------- */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#loading-screen.hidden { opacity: 0; visibility: hidden; }
.loader-logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
  animation: pulse 1.5s ease-in-out infinite;
}
.loader-bar {
  width: 200px; height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}
.loader-bar-fill {
  height: 100%;
  background: var(--gradient-main);
  border-radius: 2px;
  animation: loaderFill 1.5s ease forwards;
}
@keyframes loaderFill { 0%{width:0;} 100%{width:100%;} }

/* ============================================================
   VISUAL EFFECTS - Mouse Interactions & Advanced Animations
   ============================================================ */

/* ---------- Custom Cursor ---------- */
.cursor-dot {
  position: fixed;
  width: 8px; height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease, width 0.3s ease, height 0.3s ease, background 0.3s ease;
  mix-blend-mode: screen;
}
.cursor-ring {
  position: fixed;
  width: 36px; height: 36px;
  border: 2px solid rgba(108,99,255,0.6);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  transition: transform 0.12s ease, width 0.3s ease, height 0.3s ease, opacity 0.3s ease, border-color 0.3s ease;
}
.cursor-dot.hover  { width: 12px; height: 12px; background: var(--accent); }
.cursor-ring.hover { width: 56px; height: 56px; border-color: rgba(255,107,157,0.5); }
.cursor-dot.click  { transform: translate(-50%, -50%) scale(0.5); }
.cursor-ring.click { transform: translate(-50%, -50%) scale(1.4); opacity: 0; }
@media (pointer: coarse) { .cursor-dot, .cursor-ring { display: none; } }

/* ---------- Spotlight Card Effect ---------- */
.glass-card {
  --mouse-x: 50%;
  --mouse-y: 50%;
}
.glass-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(400px circle at var(--mouse-x) var(--mouse-y),
    rgba(108,99,255,0.10), transparent 60%);
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.glass-card:hover::after { opacity: 1; }

/* ---------- 3D Tilt Card ---------- */
.tilt-card {
  transform-style: preserve-3d;
  will-change: transform;
}
.tilt-card .tilt-inner {
  transform: translateZ(20px);
  transform-style: preserve-3d;
}

/* ---------- Magnetic Button ---------- */
.btn-primary, .btn-outline {
  will-change: transform;
}

/* ---------- Hero Parallax Orbs ---------- */
.hero-orb {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* ---------- Glitch Text Effect (for hero title hover) ---------- */
.hero-title {
  position: relative;
}
.hero-title.glitch::before,
.hero-title.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  background: transparent;
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-title.glitch::before {
  color: var(--secondary);
  clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%);
  transform: translate(-3px, 0);
  animation: glitch-1 0.4s steps(1) 1;
}
.hero-title.glitch::after {
  color: var(--accent);
  clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
  transform: translate(3px, 0);
  animation: glitch-2 0.4s steps(1) 1;
}
@keyframes glitch-1 {
  0%,100%{clip-path:polygon(0 20%,100% 20%,100% 40%,0 40%);transform:translate(-3px,0);}
  25%{clip-path:polygon(0 50%,100% 50%,100% 70%,0 70%);transform:translate(3px,0);}
  50%{clip-path:polygon(0 10%,100% 10%,100% 25%,0 25%);transform:translate(-2px,1px);}
  75%{clip-path:polygon(0 70%,100% 70%,100% 90%,0 90%);transform:translate(2px,-1px);}
}
@keyframes glitch-2 {
  0%,100%{clip-path:polygon(0 60%,100% 60%,100% 80%,0 80%);transform:translate(3px,0);}
  25%{clip-path:polygon(0 30%,100% 30%,100% 50%,0 50%);transform:translate(-3px,0);}
  50%{clip-path:polygon(0 75%,100% 75%,100% 95%,0 95%);transform:translate(2px,-1px);}
  75%{clip-path:polygon(0 5%,100% 5%,100% 20%,0 20%);transform:translate(-2px,1px);}
}

/* ---------- Ripple on Buttons ---------- */
.btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}
@keyframes rippleAnim { to { transform: scale(4); opacity: 0; } }

/* ---------- Scroll Progress Bar ---------- */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 3px;
  background: var(--gradient-main);
  z-index: 10000;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px rgba(108,99,255,0.8);
}

/* ---------- Neon Trail Particles ---------- */
.trail-particle {
  position: fixed;
  width: 6px; height: 6px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 99990;
  transform: translate(-50%, -50%);
  animation: trailFade 0.6s ease forwards;
}
@keyframes trailFade {
  0%   { opacity: 0.8; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0;   transform: translate(-50%, -50%) scale(0); }
}

/* ---------- Section Entrance Stagger ---------- */
.stagger-child {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.stagger-child.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE - Mobile First Improvements
   ============================================================ */

/* ---------- 992px - Tablet ---------- */
@media (max-width: 992px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stat-num { font-size: 2.2rem; }
}

/* ---------- 768px - Mobile ---------- */
@media (max-width: 768px) {
  /* Base */
  .section { padding: 60px 0; }
  .container { padding: 0 16px; }

  /* Section Headers */
  .section-header { margin-bottom: 40px; }
  .section-header p { font-size: 0.95rem; }

  /* Navbar */
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-container { padding: 0 16px; }
  .nav-logo { font-size: 1.1rem; letter-spacing: 1px; }
  .lang-btn { padding: 4px 9px; font-size: 0.75rem; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(5,5,16,0.97);
    backdrop-filter: blur(30px);
    justify-content: center;
    align-items: center;
    gap: 8px;
    z-index: 999;
    padding: 80px 24px 40px;
  }
  .nav-links.open li { width: 100%; text-align: center; }
  .nav-links.open a {
    display: block;
    font-size: 1.2rem;
    padding: 14px 24px;
    border-radius: 12px;
    border: 1px solid transparent;
  }
  .nav-links.open a:hover, .nav-links.open a.active {
    border-color: rgba(108,99,255,0.3);
    background: rgba(108,99,255,0.1);
  }
  .nav-close {
    position: absolute;
    top: 20px; right: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    width: 40px; height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    display: none;
    align-items: center;
    justify-content: center;
  }
  .nav-links.open .nav-close { display: flex; }

  /* Hero */
  #hero { padding-top: 70px; min-height: 100svh; }
  .hero-content { text-align: center; }
  .hero-badge { font-size: 0.78rem; padding: 6px 14px; }
  .hero-title { font-size: clamp(1.8rem, 7vw, 2.8rem); }
  .hero-subtitle { font-size: 0.95rem; margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; flex-direction: column; align-items: center; gap: 12px; }
  .hero-cta .btn { width: 100%; max-width: 300px; justify-content: center; }
  .hero-stats {
    justify-content: center;
    gap: 16px 28px;
    margin-top: 40px;
  }
  .hero-stat-num { font-size: 1.8rem; }
  .hero-stat-label { font-size: 0.75rem; }
  .hero-orb-1 { width: 280px; height: 280px; }
  .hero-orb-2 { width: 220px; height: 220px; }
  .hero-orb-3 { width: 180px; height: 180px; }
  .scroll-indicator { display: none; }

  /* About */
  .about-img-wrapper { width: 220px; height: 220px; }
  .about-floating-badge { display: none; }
  .about-content { text-align: center; }
  .about-features li { justify-content: flex-start; }
  .about-content .btn { width: 100%; justify-content: center; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; gap: 16px; }
  .service-card { padding: 28px 20px; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; gap: 16px; }
  .projects-filter { gap: 8px; }
  .filter-btn { padding: 6px 14px; font-size: 0.8rem; }

  /* Skills */
  .skills-grid { gap: 10px; }
  .skill-badge { padding: 10px 14px; }
  .skill-badge i { font-size: 1.4rem; }
  .skill-badge-name { font-size: 0.82rem; }
  .skills-category-title { font-size: 1rem; }

  /* Testimonials */
  .testimonial-card { padding: 28px 20px; }
  .testimonial-text { font-size: 0.95rem; }

  /* Contact */
  .contact-form-card { padding: 24px 16px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .project-type-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .project-type-card { padding: 12px 6px; font-size: 0.72rem; min-height: 64px; }
  .project-type-card i { font-size: 1.3rem; }
  .contact-item { padding: 12px 0; }
  .contact-item-icon { width: 38px; height: 38px; font-size: 1rem; border-radius: 10px; }
  .social-links { gap: 8px; }
  .social-link { width: 38px; height: 38px; font-size: 1rem; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }
  footer { padding: 40px 0 20px; }

  /* Forms */
  .form-control { padding: 11px 14px; font-size: 0.9rem; }
  .form-group { margin-bottom: 16px; }
  .btn-lg { padding: 14px 28px; font-size: 1rem; }

  /* Scroll to top */
  #scrollTop { bottom: 20px; width: 40px; height: 40px; font-size: 0.9rem; }

  /* Glass cards */
  .glass-card { border-radius: 16px; }

  /* Hero orbs - reduce on mobile for performance */
  .hero-grid { background-size: 40px 40px; }
}

/* ---------- 480px - Small phones ---------- */
@media (max-width: 480px) {
  .container { padding: 0 12px; }
  .section { padding: 50px 0; }

  /* Hero */
  .hero-title { font-size: clamp(1.5rem, 8vw, 2.2rem); }
  .hero-stats { gap: 12px 20px; }
  .hero-stat-num { font-size: 1.6rem; }

  /* Services + Projects - single column */
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }

  /* Skills grid tighter */
  .skills-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .skill-badge { flex-direction: column; text-align: center; gap: 6px; padding: 12px 8px; }
  .skill-level-bar { display: none; }

  /* Project type - 2 cols on tiny screens */
  .project-type-grid { grid-template-columns: repeat(2, 1fr); }
  .project-type-option:last-child { grid-column: span 2; max-width: 160px; margin: 0 auto; }

  /* Buttons full width */
  .hero-cta .btn { max-width: 100%; }

  /* Navbar */
  .lang-switcher { gap: 0; }
  .lang-btn { padding: 4px 7px; font-size: 0.7rem; }

  /* Section header */
  h2 { font-size: clamp(1.4rem, 6vw, 2rem); }

  /* Testimonial */
  .testimonial-card { padding: 20px 14px; }
  .testimonial-quote { font-size: 3rem; }

  /* Contact card */
  .contact-form-card { padding: 20px 14px; border-radius: 16px; }

  /* Footer */
  .footer-grid { gap: 20px; }
  .footer-links li { margin-bottom: 6px; }
}

/* ---------- 360px - Very small ---------- */
@media (max-width: 360px) {
  .hero-title { font-size: 1.4rem; }
  .lang-btn { padding: 3px 6px; font-size: 0.65rem; }
  .nav-logo { font-size: 1rem; }
  .hero-stat-num { font-size: 1.4rem; }
  .section { padding: 40px 0; }
}

/* ---------- Touch device tweaks ---------- */
@media (hover: none) {
  /* Remove hover-only effects on touch */
  .glass-card:hover { transform: none; }
  .btn-primary:hover { transform: none; }
  .social-link:hover { transform: none; }
  .skill-badge:hover { transform: none; }
}

/* ---------- Landscape phone ---------- */
@media (max-width: 768px) and (orientation: landscape) {
  #hero { min-height: 100vh; padding-top: 60px; }
  .hero-stats { margin-top: 20px; }
  .section { padding: 50px 0; }
}

/* ---------- Safe area (notch / bottom bar) ---------- */
@supports (padding: max(0px)) {
  #navbar { padding-left: max(0px, env(safe-area-inset-left)); padding-right: max(0px, env(safe-area-inset-right)); }
  footer  { padding-bottom: max(24px, env(safe-area-inset-bottom)); }
  #scrollTop { inset-inline-end: max(30px, calc(env(safe-area-inset-right) + 16px)); }
}

/* ---------- RTL mobile menu close button ---------- */
[dir="rtl"] .nav-close { right: auto; left: 16px; }
[dir="rtl"] .nav-links.open { direction: rtl; }