:root {
  --primary-color: #007bff;
  --secondary-color: #6c757d;
  --accent-color: #28a745;
}

body {
  font-family: "Arial", sans-serif;
  line-height: 1.6;
  color: #333;
  overflow-x: hidden;
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(0, 123, 255, 0.8), rgba(0, 123, 255, 0.8)),
    url("https://source.unsplash.com/random/1920x1080/?coding") center/cover;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  position: relative;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: 1.5rem;
  animation: fadeInUp 1s ease-out 0.2s both;
}

/* Navigation Hover Effect */
.navbar-nav .nav-link {
  transition: all 0.3s ease;
  position: relative;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color) !important;
  transform: translateY(-2px);
}

.navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover::after {
  width: 100%;
  left: 0;
}

/* Section Animations */
.section {
  padding: 80px 0;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease-out;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* About Section */
.about-img {
  border-radius: 50%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-img:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Skills Section */
.skill-icon {
  font-size: 3rem;
  color: var(--secondary-color);
  transition: all 0.3s ease;
  cursor: pointer;
}

.skill-icon:hover {
  color: var(--primary-color);
  transform: scale(1.1) rotate(5deg);
}

/* Projects Section - Card Hover Effects */
.project-card {
  transition: all 0.4s ease;
  border: none;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.project-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.project-card .card-img-top {
  transition: transform 0.4s ease;
}

.project-card:hover .card-img-top {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 123, 255, 0.8);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

/* Contact Section */
.contact-form input,
.contact-form textarea {
  transition: border-color 0.3s ease;
  border-radius: 5px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

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

/* Footer */
footer {
  background: #f8f9fa;
  padding: 20px 0;
  text-align: center;
}