/* CSS Custom Properties */
:root {
  /* Colors */
  --primary-color: #2c5aa0;
  --secondary-color: #f39c12;
  --accent-color: #27ae60;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --background-light: #f8f9fa;
  --background-white: #ffffff;
  --border-color: #e9ecef;
  --error-color: #e74c3c;
  --success-color: #27ae60;
  
  /* Typography */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 48px;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Layout */
  --container-width: 1200px;
  --border-radius: 8px;
  --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background-white);
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--secondary-color);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.5;
}

.btn.primary {
  background-color: var(--primary-color);
  color: white;
}

.btn.primary:hover {
  background-color: #1e4080;
  transform: translateY(-2px);
}

.btn.secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

/* Cookie Consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--text-dark);
  color: white;
  padding: var(--spacing-md);
  z-index: 1000;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.cookie-consent-content {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.cookie-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: var(--transition);
}

.cookie-btn.primary {
  background-color: var(--secondary-color);
  color: white;
}

.cookie-btn.primary:hover {
  background-color: #e67e22;
}

.cookie-btn.secondary {
  background-color: transparent;
  color: white;
  border: 1px solid white;
}

.cookie-btn.secondary:hover {
  background-color: white;
  color: var(--text-dark);
}

/* Cookie Modal */
.cookie-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.cookie-modal-content {
  background-color: white;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
}

.cookie-option {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.cookie-option label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.cookie-option input[type="checkbox"] {
  margin: 0;
}

.cookie-modal-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

/* Header */
.header {
  background-color: var(--background-white);
  box-shadow: var(--box-shadow);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-menu a {
  font-weight: 600;
  color: var(--text-dark);
  transition: var(--transition);
}

.nav-menu a:hover {
  color: var(--primary-color);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--text-dark);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  text-align: center;
}

.hero-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

.hero p {
  font-size: var(--font-size-lg);
  color: var(--text-light);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat h3 {
  font-size: var(--font-size-2xl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.stat p {
  color: var(--text-light);
  margin: 0;
}

/* About Section */
.about {
  padding: var(--spacing-2xl) 0;
  background-color: var(--background-white);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

.about h2 {
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

.about p {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.feature {
  padding: var(--spacing-md);
  background-color: var(--background-light);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.feature h4 {
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
}

.feature p {
  color: var(--text-light);
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Services Section */
.services {
  padding: var(--spacing-2xl) 0;
  background-color: var(--background-light);
}

.services h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--text-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.service-card {
  background-color: var(--background-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.service-card.featured {
  border: 2px solid var(--secondary-color);
  transform: scale(1.05);
}

.service-card img {
  width: 80px;
  height: 80px;
  margin-bottom: var(--spacing-md);
}

.service-card h3 {
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.service-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: var(--spacing-md);
}

.service-card li {
  padding: var(--spacing-xs) 0;
  color: var(--text-light);
  position: relative;
  padding-left: var(--spacing-md);
}

.service-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

.service-price {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary-color);
}

.popular-badge {
  position: absolute;
  top: -10px;
  right: var(--spacing-md);
  background-color: var(--secondary-color);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* Testimonials Section */
.testimonials {
  padding: var(--spacing-2xl) 0;
  background-color: var(--background-white);
}

.testimonials h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--text-dark);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial-card {
  background-color: var(--background-light);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: var(--spacing-md);
  font-size: 4rem;
  color: var(--primary-color);
  opacity: 0.3;
  line-height: 1;
}

.testimonial-content {
  margin-bottom: var(--spacing-md);
}

.testimonial-content p {
  color: var(--text-light);
  font-style: italic;
  margin: 0;
}

.testimonial-author h4 {
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
}

.testimonial-author span {
  color: var(--text-light);
  font-size: var(--font-size-sm);
}

/* Blog Section */
.blog {
  padding: var(--spacing-2xl) 0;
  background-color: var(--background-light);
}

.blog h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--text-dark);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.blog-card {
  background-color: var(--background-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.blog-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-content {
  padding: var(--spacing-md);
}

.blog-content h3 {
  margin-bottom: var(--spacing-sm);
}

.blog-content h3 a {
  color: var(--text-dark);
  text-decoration: none;
}

.blog-content h3 a:hover {
  color: var(--primary-color);
}

.blog-content p {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.blog-meta {
  display: flex;
  justify-content: space-between;
  color: var(--text-light);
  font-size: var(--font-size-sm);
}

/* Contact Section */
.contact {
  padding: var(--spacing-2xl) 0;
  background-color: var(--background-white);
}

.contact h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--text-dark);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

.contact-info h3 {
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

.contact-info p {
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item strong {
  display: block;
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
}

.contact-item p {
  margin: 0;
  color: var(--text-light);
}

.contact-item a {
  color: var(--primary-color);
}

.contact-form {
  background-color: var(--background-light);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--text-dark);
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-family: var(--font-primary);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(44, 90, 160, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background-color: var(--text-dark);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  color: white;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: #bbb;
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--secondary-color);
}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--spacing-md);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.social-links a {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid #444;
  padding-top: var(--spacing-md);
  text-align: center;
  color: #bbb;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--background-white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    gap: var(--spacing-lg);
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .cookie-consent-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-buttons {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .services-grid,
  .testimonials-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 250px;
  }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Form Validation */
.form-group.error input,
.form-group.error textarea {
  border-color: var(--error-color);
}

.form-group .error-message {
  color: var(--error-color);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group.error .error-message {
  display: block;
}

/* Success Message */
.success-message {
  background-color: var(--success-color);
  color: white;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  display: none;
}

.success-message.show {
  display: block;
}

/* Loading State */
.btn.loading {
  position: relative;
  color: transparent;
}

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

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