/* Main Styles for Portfolio Website */
:root {
  --primary-color: #2563eb;  /* Blue */
  --secondary-color: #1e3a8a; /* Darker Blue */
  --accent-color: #f59e0b;   /* Amber */
  --dark-color: #0f172a;     /* Dark Blue/Black */
  --light-color: #f8fafc;    /* Off White */
  --text-color: #334155;     /* Slate Gray */
  --transition: all 0.3s ease;
}

/* General Styles */
body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-color);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  margin-bottom: 1.5rem;
}

section {
  padding: 5rem 0;
}

.btn {
  border-radius: 50px;
  padding: 0.5rem 1.5rem;
  transition: var(--transition);
  font-weight: 500;
}

.btn-primary, .progress-bar {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.btn-outline-light:hover {
  color: var(--primary-color);
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Navbar Styles */
.navbar {
  background-color: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  padding: 1rem 0;
}

.navbar-brand {
  font-weight: 700;
  color: var(--light-color);
}

.nav-link {
  font-weight: 500;
  margin: 0 0.5rem;
  position: relative;
}

.nav-link:after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.nav-link:hover:after, .nav-link.active:after {
  width: 100%;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--secondary-color), var(--dark-color));
  color: var(--light-color);
  padding: 12rem 0 8rem;
  position: relative;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.hero .lead {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

/* About Section */
.about-section {
  background-color: var(--light-color);
}

.profile-img {
  border: 5px solid var(--primary-color);
  transition: transform 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.profile-img:hover {
  transform: scale(1.02);
}

/* Skills Section */
.skills-section {
  background-color: #f1f5f9;
}

.skill-card {
  background-color: white;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  height: 100%;
}

.skill-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.skill-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
}

.progress {
  height: 8px;
  background-color: #e2e8f0;
  border-radius: 4px;
}

.progress-bar {
  border-radius: 4px;
}

/* Projects Section */
.projects-section {
  background-color: var(--light-color);
}

.project-card {
  border: none;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  height: 100%;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.project-img {
  height: 200px;
  object-fit: cover;
}

.card-img-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: var(--transition);
}

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

.project-category {
  color: var(--light-color);
  background-color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.8rem;
  align-self: flex-start;
  margin-bottom: 0.5rem;
}

/* Project Page Hero Section Fix */
.project-hero, .project-banner {
  padding-top: calc(56px + 5rem) !important; /* Add 56px (navbar height) + additional padding */
  padding-bottom: 5rem !important;
}

.project-details {
  padding-top: calc(56px + 2rem) !important;
}

/* Stats Section */
.stats-section {
  background-color: var(--primary-color);
  color: var(--light-color);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
}

.stat-item {
  padding: 1.5rem;
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-10px);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--light-color);
  padding: 5rem 0;
}

/* Footer Styles */
footer {
  background-color: var(--dark-color);
  color: var(--light-color);
  padding: 4rem 0 2rem;
}

.footer-heading {
  color: white;
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  display: block;
  margin-bottom: 0.5rem;
  transition: var(--transition);
  text-decoration: none;
}

.footer-link:hover {
  color: white;
  transform: translateX(5px);
}

.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-icon {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.social-icon:hover {
  color: white;
  transform: translateY(-5px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  margin-top: 3rem;
}

/* Placeholder Image Styles */
.placeholder-image {
  border: 2px dashed rgba(0, 0, 0, 0.1);
  filter: brightness(0.95);
  transition: all 0.3s ease;
}

.placeholder-image:hover {
  filter: brightness(1.05);
}

/* Responsive Adjustments */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero .lead {
    font-size: 1.2rem;
  }
  
  section {
    padding: 4rem 0;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 9rem 0 6rem;
  }
  
  .stat-item {
    margin-bottom: 2rem;
  }
}