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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
  line-height: 1.6;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

.hero-section {
  padding: 180px 0;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #007bff 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero-section::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=".5" cy=".5" r=".5"><stop offset="0%" stop-color="%23ffffff" stop-opacity=".1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="150" fill="url(%23a)"/><circle cx="800" cy="400" r="200" fill="url(%23a)"/><circle cx="400" cy="800" r="100" fill="url(%23a)"/></svg>') no-repeat center center;
  background-size: cover;
  opacity: 0.3;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-section h1 {
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero-section .lead {
  font-size: 1.4rem;
  font-weight: 300;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.navbar {
  width: 100%;
  display: flex;
  justify-content: space-around;
  position: fixed;
  top: 0;
  background-color: black;
  z-index:2;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: bold;
}

.feature-card {
  background: var(--bs-body-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

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

.feature-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: 0 20px 60px rgba(0, 123, 255, 0.2);
  border-color: rgba(0, 123, 255, 0.3);
}

.feature-card .card-body {
  padding: 2.5rem 2rem;
  position: relative;
  z-index: 1;
}

.feature-card i {
  color: #007bff;
  background: linear-gradient(135deg, #007bff, #00bcd4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease;
}

.feature-card:hover i {
  transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--bs-body-color);
}

.feature-card p {
  opacity: 0.8;
  line-height: 1.7;
}

.btn-primary {
  background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
  border: none;
  padding: 15px 35px;
  font-size: 1.1rem;
  font-weight: 500;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-primary::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;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0056b3 0%, #004085 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(0, 123, 255, 0.4);
}

footer {
  margin-top: 50px;
  background: rgba(0, 0, 0, 0.8);
}
.sticky-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    animation: slideDown 0.5s ease-out;
  }
 .wave-icon {
    width: 2em; /* Relative to the font size */
    height: 2em; /* Relative to the font size */
  }

.navbar-brand:hover .wave-icon {
  transform: scale(1.1) rotate(10deg);
}

/* Section styling */
#features {
  background: linear-gradient(180deg, var(--bs-body-bg) 0%, rgba(0, 123, 255, 0.02) 100%);
}

#features h2 {
  font-weight: 700;
  font-size: 3rem;
  background: linear-gradient(135deg, #007bff, #00bcd4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4rem;
}

#about {
  background: rgba(0, 123, 255, 0.02);
}

#about h2, #contact h2 {
  font-weight: 700;
  font-size: 3rem;
  margin-bottom: 3rem;
}

#contact {
  background: linear-gradient(180deg, rgba(0, 123, 255, 0.02) 0%, var(--bs-body-bg) 100%);
}

.form-control {
  border-radius: 12px;
  border: 2px solid rgba(0, 123, 255, 0.1);
  padding: 15px 20px;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
}

.form-control:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.15);
  background: rgba(255, 255, 255, 0.1);
}

/* Animation keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-section .container > .row > .col-lg-8 {
  animation: fadeInUp 1s ease-out 0.3s both;
}