:root {
  /* Primary Color Palette - 5 colors with light/dark shades */
  --primary-blue: #2563eb;
  --primary-blue-light: #60a5fa;
  --primary-blue-dark: #1d4ed8;
  
  --primary-teal: #0d9488;
  --primary-teal-light: #5eead4;
  --primary-teal-dark: #0f766e;
  
  --primary-purple: #7c3aed;
  --primary-purple-light: #a78bfa;
  --primary-purple-dark: #6d28d9;
  
  --primary-orange: #ea580c;
  --primary-orange-light: #fed7aa;
  --primary-orange-dark: #c2410c;
  
  --primary-pink: #db2777;
  --primary-pink-light: #f9a8d4;
  --primary-pink-dark: #be185d;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-teal) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-pink) 100%);
  --gradient-accent: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-pink) 100%);
  
  /* Typography */
  --font-size-base: 1rem;
  --font-size-small: 0.875rem;
  --font-size-large: 1.125rem;
  --font-size-h1: 2.25rem;
  --font-size-h2: 1.875rem;
  --font-size-h3: 1.5rem;
  --font-size-h4: 1.25rem;
  --font-size-h5: 1.125rem;
  --font-size-h6: 1rem;
  
  /* Spacing */
  --section-padding: 80px 0;
  --container-padding: 0 15px;
}

/* Base styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: #374151;
  background-color: #ffffff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1f2937;
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }
h5 { font-size: var(--font-size-h5); }
h6 { font-size: var(--font-size-h6); }

p {
  margin-bottom: 1rem;
  color: #6b7280;
}

/* Header styles */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  padding: 1rem 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: #374151;
  transition: all 0.3s ease;
  margin: 0 0.5rem;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-blue);
}

/* Navbar scroll effects */
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Hero section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../ZER_images/hero-bg.webp') center/cover;
  opacity: 0.1;
  z-index: 1;
}

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

.hero-content {
  color: white;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

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

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Hero improvements */
.hero-description {
  font-size: 1.125rem;
  line-height: 1.7;
}

/* Sections */
.section {
  padding: var(--section-padding);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-subtitle {
  color: var(--primary-blue);
  font-size: var(--font-size-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid rgba(37, 99, 235, 0.1);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-10px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s ease;
}

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

.service-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin: 1rem 0;
}

.service-features {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.service-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #e5e7eb;
}

.service-features li:last-child {
  border-bottom: none;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  text-align: center;
  padding: 2rem;
  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, 0.4), transparent);
  transition: left 0.5s ease;
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  background: var(--gradient-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.team-member {
  text-align: center;
  background: white;
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.team-member:hover {
  transform: translateY(-5px);
}

.team-member::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s ease;
}

.team-member:hover::before {
  left: 100%;
}

.team-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  object-fit: cover;
  border: 4px solid var(--primary-blue-light);
}

.team-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.team-role {
  color: var(--primary-blue);
  font-weight: 500;
}

/* Reviews */
.reviews-slider {
  margin-top: 3rem;
}

.review-card {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  margin: 0 1rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  text-align: center;
  opacity: 0.6;
  transform: scale(0.9);
  transition: all 0.5s ease;
}

.review-card.active {
  opacity: 1;
  transform: scale(1);
}

.review-text {
  font-style: italic;
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
  color: #4b5563;
}

.review-author {
  font-weight: 600;
  color: var(--primary-blue);
}

/* FAQ */
.faq-item {
  background: white;
  border-radius: 15px;
  margin-bottom: 1rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem 2rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.faq-question:hover {
  background: #f9fafb;
}

.faq-answer {
  padding: 0 2rem 1.5rem;
  color: #6b7280;
  display: none;
}

.faq-answer.active {
  display: block;
}

/* FAQ icon rotation */
.faq-icon {
  transition: transform 0.3s ease;
}

.faq-icon.active {
  transform: rotate(180deg);
}

/* Contact form */
.contact-form {
  background: white;
  border-radius: 20px;
  padding: 3rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  margin-top: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-control {
  border: 2px solid #e5e7eb;
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: all 0.3s ease;
}

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

.btn-primary {
  background: var(--gradient-primary);
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 10px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Contact info styling */
.contact-info {
  background: var(--gradient-primary);
  color: white;
  padding: 2rem;
  border-radius: 20px;
  height: 100%;
}

.contact-info h5 {
  color: white;
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: white;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
}

.contact-info p::before {
  content: '';
  width: 8px;
  height: 8px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  margin-right: 1rem;
  flex-shrink: 0;
}

/* Service images styling */
.service-image {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: block;
  border: 3px solid var(--primary-blue-light);
  transition: all 0.3s ease;
}

.service-card:hover .service-image {
  transform: scale(1.1);
  border-color: var(--primary-blue);
}

/* Loading states */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid var(--primary-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Form validation styles */
.is-invalid {
  border-color: #dc3545 !important;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1) !important;
}

.is-valid {
  border-color: #28a745 !important;
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1) !important;
}

.invalid-feedback {
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Improved button styles */
.btn {
  border-radius: 10px;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

/* Footer */
.footer {
  background: #1f2937;
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h5 {
  color: white;
  margin-bottom: 1rem;
}

.footer-section a {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--primary-blue-light);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
  text-align: center;
}

/* Gallery */
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  display: block;
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.3s ease;
  aspect-ratio: 4/3;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* Breadcrumbs */
.breadcrumb {
  background: none;
  padding: 1rem 0;
  margin-bottom: 2rem;
}

.breadcrumb-item img {
  width: 20px;
  height: 20px;
}

/* Utilities */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-light-blue {
  background: rgba(37, 99, 235, 0.05);
}

.bg-light-teal {
  background: rgba(13, 148, 136, 0.05);
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
} 


/* Team Social Links - Colorful Style */
.team-social-links {
    margin-top: 22px;
    padding: 16px 0;
}

.social-icons-grid {
    display: flex;
    gap: 14px;
    justify-content: center;
    align-items: center;
}

.social-link {
    display: inline-flex;
    width: 48px;
    height: 48px;
    border-radius: 15px;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 19px;
    transition: all 0.4s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    transition: all 0.4s ease;
    transform: translate(-50%, -50%);
}

.social-link:hover::before {
    width: 100px;
    height: 100px;
}

.social-link:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    color: white;
}

.facebook-link {
    background: linear-gradient(45deg, #1877f2, #42a5f5, #64b5f6);
}

.linkedin-link {
    background: linear-gradient(45deg, #0a66c2, #2196f3, #42a5f5);
}

.x-link {
    background: linear-gradient(45deg, #000000, #424242, #666666);
    position: relative;
}

.x-link::after {
    content: '✕';
    font-weight: 900;
    font-size: 20px;
    z-index: 2;
    position: relative;
}

.x-link i {
    display: none;
}

@media (max-width: 768px) {
    .social-icons-grid {
        gap: 10px;
    }
    
    .social-link {
        width: 42px;
        height: 42px;
        font-size: 16px;
    }
}