/* Global Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #f8f9fa;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  background-attachment: fixed;
  scroll-behavior: smooth;
}

/* Add subtle animated background pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(0, 123, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 123, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(0, 123, 255, 0.03) 0%, transparent 50%);
  z-index: -1;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-10px) rotate(1deg); }
  66% { transform: translateY(5px) rotate(-1deg); }
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  position: relative;
}

.container > * {
  padding: 0 10px;
}

/* Enhanced loading animation */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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

/* Header - Mobile First Design */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid rgba(73, 80, 87, 0.3);
  backdrop-filter: blur(10px);
  background: rgba(33, 37, 41, 0.95);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.logo {
  font-size: 1.8em;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 0 20px rgba(0, 123, 255, 0.3);
  transition: all 0.3s ease;
  z-index: 1001;
}

.logo:hover {
  transform: scale(1.05);
  text-shadow: 0 0 30px rgba(0, 123, 255, 0.5);
}

.logo-accent {
  color: #007bff;
  position: relative;
}

.logo-accent::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  bottom: -5px;
  left: 0;
  background: linear-gradient(90deg, #007bff, #0056b3);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.logo:hover .logo-accent::after {
  transform: scaleX(1);
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 12px;
  z-index: 1001;
  transition: all 0.3s ease;
  border-radius: 4px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
}

.mobile-menu-toggle:hover {
  background: rgba(0, 123, 255, 0.1);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: #fff;
  margin: 3px 0;
  transition: all 0.3s ease;
  border-radius: 2px;
  display: block;
}

.mobile-menu-toggle:hover span {
  background: #007bff;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
  background: #007bff;
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
  background: #007bff;
}

/* Navigation Menu - Mobile First */
.nav-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: rgba(33, 37, 41, 0.98);
  backdrop-filter: blur(20px);
  transition: right 0.3s ease;
  z-index: 1000;
  padding-top: 80px;
  box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
}

.nav-menu.active {
  right: 0;
}

.nav-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.nav-menu ul li {
  margin: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-menu ul li a {
  display: block;
  padding: 20px 30px;
  text-decoration: none;
  color: #adb5bd;
  font-weight: 500;
  font-size: 1.1em;
  transition: all 0.3s ease;
  position: relative;
}

.nav-menu ul li a:hover {
  color: #007bff;
  background: rgba(0, 123, 255, 0.1);
  padding-left: 40px;
}

.nav-menu ul li a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: #007bff;
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.nav-menu ul li a:hover::before {
  transform: scaleY(1);
}

/* Overlay for mobile menu */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Desktop Navigation (hidden on mobile) */
@media (min-width: 769px) {
  .mobile-menu-toggle {
    display: none;
  }
  
  .nav-menu {
    position: static;
    width: auto;
    height: auto;
    background: none;
    backdrop-filter: none;
    padding-top: 0;
    box-shadow: none;
  }
  
  .nav-menu ul {
    flex-direction: row;
  }
  
  .nav-menu ul li {
    margin-left: 30px;
    border-bottom: none;
  }
  
  .nav-menu ul li:first-child {
    margin-left: 0;
  }
  
  .nav-menu ul li a {
    padding: 10px 0;
    font-size: 1em;
  }
  
  .nav-menu ul li a:hover {
    background: none;
    padding-left: 0;
  }
  
  .nav-menu ul li a::before {
    display: none;
  }
  
  .logo {
    font-size: 2.2em;
  }
  
  header {
    padding: 25px 0;
  }
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 30%, #0f3460 70%, #533483 100%);
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23007bff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23007bff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>') no-repeat center;
  background-size: cover;
  animation: heroFloat 15s ease-in-out infinite;
  z-index: 1;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.2em;
  margin-bottom: 25px;
  color: #fff;
  font-weight: 700;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  line-height: 1.2;
  animation: slideInUp 1s ease-out;
}

.hero-description {
  font-size: 1.3em;
  margin-bottom: 40px;
  color: #e9ecef;
  line-height: 1.6;
  animation: slideInUp 1s ease-out 0.3s both;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cta-button {
  background: linear-gradient(135deg, #007bff, #0056b3);
  color: white;
  padding: 18px 40px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.2em;
  transition: all 0.3s ease;
  display: inline-block;
  box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
  position: relative;
  overflow: hidden;
  animation: slideInUp 1s ease-out 0.6s both;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(0, 123, 255, 0.4);
}

.cta-button:hover::before {
  left: 100%;
}

/* About Me Section */
.about {
  padding: 120px 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon points="0,100 100,0 200,100 100,200" fill="%23007bff" opacity="0.03"/><polygon points="300,200 400,100 500,200 400,300" fill="%23007bff" opacity="0.03"/><polygon points="600,300 700,200 800,300 700,400" fill="%23007bff" opacity="0.03"/></svg>') repeat;
  animation: float 25s linear infinite;
  z-index: 0;
}

.about h2 {
  font-size: 2.8em;
  margin-bottom: 60px;
  text-align: center;
  color: #fff;
  font-weight: 700;
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.about h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #007bff, #0056b3);
  border-radius: 2px;
  box-shadow: 0 2px 10px rgba(0, 123, 255, 0.3);
}

.about-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 60px;
  position: relative;
  z-index: 2;
}

.about-text {
  flex: 2;
  color: #e9ecef;
  font-size: 1.2em;
  line-height: 1.8;
}

.about-text p {
  margin-bottom: 25px;
  padding: 25px;
  background: rgba(52, 58, 64, 0.4);
  border-radius: 15px;
  border-left: 4px solid #007bff;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  position: relative;
}

.about-text p:hover {
  transform: translateX(10px);
  box-shadow: 0 8px 25px rgba(0, 123, 255, 0.2);
}

.about-text p::before {
  content: '\f005';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: -2px;
  top: 50%;
  transform: translateY(-50%);
  background: #007bff;
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8em;
}

.skills-highlight {
  flex: 1;
  background: linear-gradient(135deg, #343a40 0%, #495057 100%);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 123, 255, 0.2);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.skills-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #007bff, #0056b3, #007bff);
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

.skills-highlight h3 {
  font-size: 1.8em;
  margin-bottom: 30px;
  color: #fff;
  font-weight: 700;
  text-align: center;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.skills-highlight ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.skills-highlight ul li {
  margin-bottom: 15px;
  color: #e9ecef;
  font-size: 1.1em;
  position: relative;
  padding: 15px 15px 15px 50px;
  background: rgba(33, 37, 41, 0.5);
  border-radius: 10px;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.skills-highlight ul li:hover {
  background: rgba(0, 123, 255, 0.1);
  border-left-color: #007bff;
  transform: translateX(5px);
}

.skills-highlight ul li:before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #007bff;
  font-size: 1.2em;
  width: 20px;
  text-align: center;
}

/* Services Section */
.services {
  padding: 120px 0;
  background: linear-gradient(135deg, #212529 0%, #2c3e50 100%);
  position: relative;
  overflow: hidden;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="2" fill="%23007bff" opacity="0.1"/><circle cx="90" cy="30" r="1.5" fill="%23007bff" opacity="0.1"/><circle cx="50" cy="70" r="1" fill="%23007bff" opacity="0.1"/><circle cx="20" cy="90" r="1.5" fill="%23007bff" opacity="0.1"/></svg>') repeat;
  animation: float 30s linear infinite;
  z-index: 0;
}

.services h2 {
  font-size: 2.8em;
  margin-bottom: 60px;
  text-align: center;
  color: #fff;
  font-weight: 700;
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.services h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #007bff, #0056b3);
  border-radius: 2px;
  box-shadow: 0 2px 10px rgba(0, 123, 255, 0.3);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  grid-gap: 40px;
  position: relative;
  z-index: 2;
}

.service-card {
  background: linear-gradient(135deg, #343a40 0%, #495057 100%);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 123, 255, 0.2);
  backdrop-filter: blur(10px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 123, 255, 0.1), transparent);
  transition: left 0.6s;
}

.service-card:hover::before {
  left: 100%;
}

.service-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 25px 50px rgba(0, 123, 255, 0.2);
  border-color: rgba(0, 123, 255, 0.4);
}

.service-card:nth-child(odd):hover {
  transform: translateY(-10px) scale(1.02) rotate(1deg);
}

.service-card:nth-child(even):hover {
  transform: translateY(-10px) scale(1.02) rotate(-1deg);
}

.service-card i {
  font-size: 3.5em;
  color: #007bff;
  margin-bottom: 25px;
  display: block;
  text-align: center;
  text-shadow: 0 0 20px rgba(0, 123, 255, 0.3);
  transition: all 0.3s ease;
}

.service-card:hover i {
  transform: scale(1.1) rotate(10deg);
  text-shadow: 0 0 30px rgba(0, 123, 255, 0.5);
}

.service-card h3 {
  font-size: 1.9em;
  margin-bottom: 20px;
  color: #fff;
  font-weight: 600;
  text-align: center;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.service-card:hover h3 {
  color: #007bff;
}

.service-card p {
  color: #e9ecef;
  font-size: 1.1em;
  margin-bottom: 20px;
  line-height: 1.7;
  text-align: center;
}  .service-card p:first-of-type {
    padding: 20px;
    background: rgba(33, 37, 41, 0.3);
    border-radius: 10px;
    border-left: 4px solid #007bff;
  }

  /* Hide SEO keywords from user view while keeping them for search engines */
  .long-tail-keywords {
    display: none;
    visibility: hidden;
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
  }

/* Contact Section */
.contact {
  padding: 100px 0;
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #2c3e50 100%);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(52, 152, 219, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(155, 89, 182, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(241, 196, 15, 0.05) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
}

.contact h2 {
  font-size: 2.5em;
  margin-bottom: 50px;
  text-align: center;
  color: #fff;
  font-weight: 600;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 1;
}

.contact h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #3498db, #9b59b6);
  border-radius: 2px;
}

/* Google Calendar iframe styling */
.contact iframe {
  margin-bottom: 50px;
  border-radius: 15px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
  background-color: #fff;
  display: block;
  position: relative;
  z-index: 1;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact iframe:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

/* Ticket Submission Form */
.ticket-form {
  width: 80%;
  max-width: 600px;
  margin: 0 auto;
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  z-index: 1;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ticket-form:hover {
  transform: translateY(-5px);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.ticket-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 20px;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  z-index: -1;
}

.form-group {
  margin-bottom: 25px;
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #fff;
  font-size: 1.1em;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  color: #fff;
  font-size: 1em;
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #3498db;
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 
    0 0 0 3px rgba(52, 152, 219, 0.2),
    0 8px 25px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

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

.ticket-form button {
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
  color: white;
  padding: 16px 30px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-size: 1.1em;
  font-weight: 600;
  transition: all 0.3s ease;
  width: 100%;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);
}

.ticket-form button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.ticket-form button:hover {
  background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(52, 152, 219, 0.4);
}

.ticket-form button:hover::before {
  left: 100%;
}

.ticket-form button:disabled {
  background-color: #6c757d;
  cursor: not-allowed;
}

.submission-message {
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-weight: bold;
}

.submission-message.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.submission-message.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.submission-message.submitting {
  background-color: #d1ecf1;
  color: #0c5460;
  border: 1px solid #bee5eb;
}

/* Demos Section */
.demos {
  padding: 100px 0;
  background: linear-gradient(135deg, #212529 0%, #2c3e50 100%);
  border-bottom: 1px solid #495057;
}

.demos h2 {
  font-size: 2.5em;
  margin-bottom: 50px;
  text-align: center;
  color: #fff;
  font-weight: 600;
}

.subsection-header {
  text-align: center;
  margin: 40px 0 30px 0;
}

.subsection-header h3 {
  font-size: 1.8em;
  color: #fff;
  margin-bottom: 10px;
  font-weight: 600;
}

.subsection-header p {
  color: #adb5bd;
  font-size: 1.1em;
  margin-bottom: 0;
}

.portfolio-header {
  margin-top: 60px;
}

.demos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.demo-card {
  background: linear-gradient(135deg, #343a40 0%, #495057 100%);
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: all 0.4s ease;
  border: 1px solid rgba(0, 123, 255, 0.2);
  backdrop-filter: blur(10px);
  display: flex;
  gap: 30px;
  align-items: flex-start;
  opacity: 1;
  transform: translateX(0);
}

.demo-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
  border-color: rgba(0, 123, 255, 0.4);
}

.demo-visual {
  flex: 0 0 120px;
  text-align: center;
}

.demo-icon {
  font-size: 3.5em;
  color: #007bff;
  padding: 25px;
  background: rgba(0, 123, 255, 0.1);
  border-radius: 50%;
  border: 3px solid rgba(0, 123, 255, 0.3);
  transition: all 0.3s ease;
  animation: pulse 2s infinite;
}

.demo-card:hover .demo-icon {
  transform: scale(1.1);
  animation-play-state: paused;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(0, 123, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 123, 255, 0); }
}

.demo-content {
  flex: 1;
}

.demo-content h3 {
  font-size: 2em;
  margin-bottom: 15px;
  color: #fff;
  font-weight: 600;
}

.demo-description {
  font-size: 1.1em;
  color: #adb5bd;
  margin-bottom: 25px;
  line-height: 1.6;
}

.demo-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 25px;
}

.tech-tag {
  background: linear-gradient(135deg, #007bff, #0056b3);
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.9em;
  font-weight: 500;
  box-shadow: 0 2px 5px rgba(0, 123, 255, 0.3);
  transition: all 0.3s ease;
}

.tech-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 123, 255, 0.4);
}

.demo-results {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

.result-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 15px;
  background: rgba(0, 123, 255, 0.1);
  border-radius: 10px;
  border: 1px solid rgba(0, 123, 255, 0.3);
  min-width: 120px;
  transition: all 0.3s ease;
}

.result-item:hover {
  background: rgba(0, 123, 255, 0.2);
  transform: translateY(-3px);
}

.result-item strong {
  font-size: 1.8em;
  color: #007bff;
  font-weight: 700;
  margin-bottom: 5px;
}

.result-item span {
  font-size: 0.9em;
  color: #adb5bd;
  text-align: center;
  font-weight: 500;
}

.result-item span a {
  color: #007bff;
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 600;
}

.result-item span a:hover {
  color: #0056b3;
  text-shadow: 0 0 8px rgba(0, 123, 255, 0.4);
}

.demo-nav {
  display: none;
}

/* Portfolio Carousel Styles */
.portfolio-carousel {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.portfolio-card {
  display: none;
  background: linear-gradient(135deg, #343a40 0%, #495057 100%);
  padding: 40px;
  border-radius: 15px;
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease;
  border: 1px solid rgba(0, 123, 255, 0.2);
  backdrop-filter: blur(10px);
}

.portfolio-card.active {
  display: flex;
  opacity: 1;
  transform: translateX(0);
  gap: 40px;
  align-items: center;
}

.portfolio-nav {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 40px;
}

.nav-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid #495057;
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.nav-dot:hover {
  border-color: #007bff;
  transform: scale(1.2);
}

.nav-dot.active {
  background: #007bff;
  border-color: #007bff;
  box-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
}

.nav-dot.active::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0, 123, 255, 0.3);
  border-radius: 50%;
  top: -6px;
  left: -6px;
  animation: ripple 1.5s infinite;
}

@keyframes ripple {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

/* Footer Section */
footer {
  background: linear-gradient(135deg, #1a1a1a 0%, #2c3e50 50%, #1a1a1a 100%);
  color: #fff;
  text-align: center;
  padding: 40px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 20%, rgba(52, 152, 219, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(155, 89, 182, 0.05) 0%, transparent 50%);
  animation: float 25s ease-in-out infinite;
}

footer p {
  margin: 0;
  font-size: 1.1em;
  font-weight: 400;
  position: relative;
  z-index: 1;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  letter-spacing: 0.5px;
}

footer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #3498db, #9b59b6, transparent);
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  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-logo {
  font-size: 3em;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 0 20px rgba(0, 123, 255, 0.3);
  margin-bottom: 30px;
  animation: pulse 2s ease-in-out infinite;
}

.loading-logo .logo-accent {
  color: #007bff;
}

.loading-spinner {
  display: flex;
  justify-content: center;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-left: 4px solid #007bff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

/* Additional Animation Keyframes */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
  }
  50% {
    box-shadow: 0 0 20px rgba(52, 152, 219, 0.6), 0 0 30px rgba(52, 152, 219, 0.4);
  }
}

@keyframes subtle-bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-5px);
  }
  60% {
    transform: translateY(-3px);
  }
}

/* Scroll-triggered animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

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

/* Enhanced loading states */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  animation: shimmer 2s infinite;
}

/* Responsive Design - Mobile First */
@media (max-width: 768px) {
  .container {
    padding: 10px;
  }
  
  /* Hero Section Mobile */
  .hero {
    padding: 80px 0 60px;
  }
  
  .hero-title {
    font-size: 2.2em;
    margin-bottom: 20px;
  }
  
  .hero-description {
    font-size: 1.1em;
    margin-bottom: 30px;
    padding: 0 10px;
  }
  
  .cta-button {
    font-size: 1em;
    padding: 15px 30px;
  }
  
  /* About Section Mobile */
  .about-content {
    flex-direction: column;
    gap: 30px;
  }
  
  .about-text {
    margin-right: 0;
  }
  
  /* Services Mobile */
  .service-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .service-card {
    margin-bottom: 15px;
  }
  
  /* Contact Form Mobile */
  .ticket-form {
    width: 95%;
    padding: 20px;
    margin: 0 auto;
  }
  
  .contact iframe {
    height: 400px;
  }
  
  /* Demos Section Mobile */
  .demos-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .demo-card {
    flex-direction: column;
    gap: 20px;
    text-align: center;
    padding: 25px;
  }
  
  /* Portfolio Carousel Mobile */
  .portfolio-card.active {
    flex-direction: column;
    gap: 25px;
    text-align: center;
    padding: 25px;
  }
  
  .demo-visual {
    flex: none;
  }
  
  .demo-icon {
    font-size: 3em;
    padding: 20px;
  }
  
  .demo-results {
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
  }
  
  .result-item {
    min-width: 100px;
    padding: 12px;
    flex: 1;
    min-width: 120px;
  }
  
  .result-item strong {
    font-size: 1.5em;
  }
  
  .tech-tag {
    font-size: 0.8em;
    padding: 5px 10px;
    margin: 2px;
  }
  
  /* Section Spacing Mobile */
  .about, .services, .demos, .contact {
    padding: 60px 0;
  }
  
  .about h2, .services h2, .demos h2, .contact h2 {
    font-size: 2em;
    margin-bottom: 30px;
  }
}

/* Additional Mobile Optimizations */
@media (max-width: 480px) {
  /* Extra small mobile devices */
  .hero-title {
    font-size: 1.8em;
    line-height: 1.3;
  }
  
  .hero-description {
    font-size: 1em;
    padding: 0 5px;
  }
  
  .logo {
    font-size: 1.6em;
  }
  
  .nav-menu {
    width: 100%;
    right: -100%;
  }
  
  .service-card {
    padding: 20px 15px;
  }
  
  .demo-card.active {
    padding: 20px 15px;
  }
  
  .demo-tech {
    gap: 5px;
  }
  
  .tech-tag {
    font-size: 0.75em;
    padding: 4px 8px;
  }
  
  .result-item {
    min-width: 90px;
    padding: 10px;
  }
  
  .ticket-form {
    width: 98%;
    padding: 15px;
  }
  
  .form-group input,
  .form-group textarea {
    padding: 12px;
  }
  
  .about h2, .services h2, .demos h2, .contact h2 {
    font-size: 1.8em;
  }
}

/* Improve touch targets for mobile */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    padding: 12px;
    min-width: 44px;
    min-height: 44px;
  }
  
  .nav-menu ul li a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  
  .nav-dot {
    width: 16px;
    height: 16px;
    margin: 0 8px;
  }
  
  .cta-button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .ticket-form button {
    min-height: 48px;
  }
}

/* Performance optimizations for mobile */
@media (max-width: 768px) {
  /* Reduce animations on mobile for better performance */
  .hero::before {
    animation-duration: 25s;
  }
  
  body::before {
    animation-duration: 30s;
  }
  
  /* Optimize scroll performance */
  .hero {
    will-change: transform;
  }
  
  /* Reduce backdrop blur on mobile for performance */
  .ticket-form {
    backdrop-filter: blur(5px);
  }
  
  header {
    backdrop-filter: blur(8px);
  }
  
  .nav-menu {
    backdrop-filter: blur(15px);
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .hero::before,
  body::before {
    animation: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .nav-menu ul li a {
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
  }
  
  .service-card,
  .demo-card,
  .ticket-form {
    border: 2px solid rgba(255, 255, 255, 0.3);
  }
}

/* Mobile-specific enhancements */
@media (max-width: 768px) {
  /* Improve mobile scrolling */
  html {
    -webkit-overflow-scrolling: touch;
  }
  
  /* Better mobile form styling */
  .form-group input:focus,
  .form-group textarea:focus {
    transform: scale(1.02);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.3);
  }
  
  /* Mobile-optimized hero section */
  .hero-content {
    padding: 0 15px;
  }
  
  /* Better mobile card spacing */
  .service-card:hover {
    transform: translateY(-3px) scale(1.02);
  }
  
  .demo-card {
    min-height: auto;
  }
  
  /* Mobile contact section improvements */
  .contact {
    padding: 60px 0;
  }
  
  .contact h2 {
    padding: 0 15px;
  }
  
  /* Mobile demos navigation */
  .demo-nav {
    padding: 20px 0;
  }
  
  /* Mobile footer */
  footer {
    padding: 30px 15px;
  }
  
  footer p {
    font-size: 1em;
  }
}

/* Ensure proper mobile viewport handling */
@viewport {
  width: device-width;
  zoom: 1.0;
}