:root {
  --primary: #1E90FF;
  --secondary: #FFFFFF;
  --background: #F5F5F5;
  --footer-bg: #1E90FF;
  --button: #1E90FF;
  --section-bg-1: #E6F2FF;
  --section-bg-2: #CCE5FF;
  --section-bg-3: #B3D9FF;
  --font-main: 'Rajdhani', sans-serif;
  --font-heading: 'Orbitron', sans-serif;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.05);
  --shadow-blue: 0 0 15px rgba(30, 144, 255, 0.4);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--background);
  color: #333;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

h1 {
  font-size: 3rem;
  line-height: 1.2;
  text-transform: uppercase;
}

h2 {
  font-size: 2.2rem;
  position: relative;
  display: inline-block;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--primary);
}

p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

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

a:hover {
  color: darken(var(--primary), 10%);
  text-decoration: underline;
}

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-family: var(--font-heading);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 50px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background-color: var(--button);
  color: white;
  border: 2px solid var(--button);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--button);
  box-shadow: var(--shadow-blue);
  transform: translateY(-3px);
}

.section {
  padding: 6rem 0;
}

.section-bg-1 {
  background-color: var(--section-bg-1);
}

.section-bg-2 {
  background-color: var(--section-bg-2);
}

.section-bg-3 {
  background-color: var(--section-bg-3);
}

.card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-img {
  height: 200px;
  background-size: cover;
  background-position: center;
}

.card-body {
  padding: 2rem;
}

footer {
  background-color: var(--footer-bg);
  color: white;
  padding: 3rem 0;
}

footer a {
  color: white;
}

footer a:hover {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.navbar {
  background-color: white;
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary);
}

.nav-link {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0.5rem;
}

.tech-icon {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
  transition: var(--transition);
}

.tech-icon:hover {
  transform: scale(1.2);
  filter: drop-shadow(0 0 8px rgba(30, 144, 255, 0.6));
}

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

.pulse {
  animation: pulse 2s infinite;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .section {
    padding: 4rem 0;
  }
}