/* Modern Portfolio Styling */
:root {
  --primary-color: #2563eb;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  --dark-color: #1e293b;
  --light-color: #f8fafc;
  --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--dark-color);
  background-color: #ffffff;
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
  background: var(--gradient);
  color: white;
  padding: 100px 0;
  text-align: center;
  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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-cta {
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.hero-cta:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  color: white;
}

/* Cards */
.project-card {
  border: none;
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  height: 100%;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-img-top {
  height: 220px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.project-card:hover .card-img-top {
  transform: scale(1.05);
}

.card-body {
  padding: 2rem;
}

.card-title {
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

.card-text {
  color: var(--secondary-color);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* Buttons */
.btn-primary {
  background: var(--primary-color);
  border: none;
  border-radius: 50px;
  padding: 10px 25px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

.btn-outline-primary {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  border-radius: 50px;
  padding: 8px 20px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-outline-primary:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--dark-color);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient);
  border-radius: 2px;
}

/* Footer */
.footer {
  background: var(--dark-color);
  color: white;
  padding: 60px 0 30px;
  margin-top: 80px;
}

.footer-content {
  text-align: center;
}

.footer h5 {
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer p {
  opacity: 0.8;
  margin-bottom: 2rem;
}

.social-links a {
  color: white;
  font-size: 1.5rem;
  margin: 0 15px;
  transition: all 0.3s ease;
}

.social-links a:hover {
  color: var(--accent-color);
  transform: translateY(-3px);
}

/* Admin Styles */
.admin-header {
  background: var(--gradient);
  color: white;
  padding: 40px 0;
  margin-bottom: 40px;
}

.admin-card {
  border: none;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

/* Form Styles */
.form-control {
  border-radius: 10px;
  border: 2px solid #e2e8f0;
  padding: 12px 16px;
  transition: all 0.3s ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Alerts */
.alert {
  border: none;
  border-radius: 15px;
  padding: 16px 20px;
}

.alert-success {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.alert-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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