:root {
  --deep-navy: #0A192F;
  --dark-blue: #112240;
  --electric-blue: #00E5FF;
  --light-text: #E6F1FF;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(0, 229, 255, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--deep-navy), var(--dark-blue));
  color: var(--light-text);
  padding-top: 120px;
  overflow-x: hidden;
}

/* Animated Electric Glow Background */
.background {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 30%, rgba(0, 229, 255, 0.25), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0, 229, 255, 0.15), transparent 40%);
}

/* Premium Glass */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  transition: all 0.4s ease;
}

.premium-card {
  box-shadow:
    0 0 40px rgba(0, 229, 255, 0.2),
    inset 0 0 25px rgba(0, 229, 255, 0.05);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 1200px;
  padding: 20px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 9999;
}

.navbar.scrolled {
  padding: 12px 5%;
  backdrop-filter: blur(35px);
  background: rgba(10, 25, 47, 0.8);
}

.logo {
  color: var(--electric-blue);
  letter-spacing: 2px;
}

.navbar a {
  color: var(--light-text);
  text-decoration: none;
  margin-left: 25px;
  position: relative;
  transition: 0.3s;
}

.navbar a::after {
  content: "";
  position: absolute;
  width: 0%;
  height: 2px;
  left: 0;
  bottom: -5px;
  background: var(--electric-blue);
  transition: 0.3s;
}

.navbar a:hover {
  color: var(--electric-blue);
}

.navbar a:hover::after {
  width: 100%;
}

/* Hero */
.hero {
  height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

.hero-content {
  padding: 50px;
  max-width: 750px;
  animation: float 6s ease-in-out infinite;
}

.hero h1 {
  font-size: 2.7rem;
  margin-bottom: 20px;
  color: var(--electric-blue);
}

.hero p {
  margin-bottom: 30px;
  line-height: 1.6;
}

/* Button */
.btn {
  padding: 14px 40px;
  border-radius: 30px;
  text-decoration: none;
  color: var(--deep-navy);
  font-weight: bold;
  background: var(--electric-blue);
  transition: 0.3s ease;
}

.btn:hover {
  box-shadow: 0 0 25px var(--electric-blue);
  transform: translateY(-4px);
}

/* Sections */
.section {
  padding: 100px 10%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card {
  padding: 50px;
  max-width: 800px;
}

.center {
  text-align: center;
}

/* Services */
.services-container {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  justify-content: center;
}

.service-card {
  padding: 35px;
  width: 260px;
  text-align: center;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.service-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.3);
}

/* Footer */
.footer {
  text-align: center;
  padding: 25px;
  margin: 20px;
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Floating animation */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.9rem;
  }

  .services-container {
    flex-direction: column;
    align-items: center;
  }
}