:root {
  --color-primary: #2C3E50;
  --color-secondary: #E67E22;
  --color-accent: #ECF0F1;
  --color-highlight: #3498DB;
  --color-text: #2C3E50;
  --color-text-light: #7F8C8D;
  --color-white: #FFFFFF;
  --color-dark: #1A252F;
  --color-success: #27AE60;
  --color-error: #E74C3C;
  
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Lato', sans-serif;
  --font-micro: 'Lato', sans-serif;
  
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 50%;
  --border-width: 1px;
  --border-color: #BDC3C7;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.25);
  
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  --max-width: 1200px;
  --header-height: 80px;
  --footer-height: 200px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--space-md);
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.site-header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1000;
  transition: transform var(--transition-base);
}

.site-header.hidden {
  transform: translateY(-100%);
}

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

.brand-text {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-decoration: none;
  display: inline-block;
}

.brand-text:hover {
  color: var(--color-secondary);
}

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

.nav-link {
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: var(--space-sm) 0;
  transition: color var(--transition-base);
}

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

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

.burger-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  font-size: 1.5rem;
  color: var(--color-primary);
}

.burger-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  position: relative;
  transition: background-color var(--transition-fast);
}

.burger-icon::before,
.burger-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--transition-base);
}

.burger-icon::before {
  top: -8px;
}

.burger-icon::after {
  bottom: -8px;
}

.burger-toggle.active .burger-icon {
  background-color: transparent;
}

.burger-toggle.active .burger-icon::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger-toggle.active .burger-icon::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

.main-content {
  min-height: calc(100vh - var(--header-height) - var(--footer-height));
  padding-top: var(--space-lg);
}

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

.section {
  padding: var(--space-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  color: var(--color-primary);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

.hero-section {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
  color: var(--color-white);
  overflow: hidden;
  padding: var(--space-xxl) var(--space-md);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.1;
  background-size: cover;
  background-position: center;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.15;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  animation: fadeInUp 0.8s ease-out;
}

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

.hero-title {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--space-xl);
  color: var(--color-accent);
}

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: #D35400;
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background-color: #2980B9;
  transform: scale(1.05);
}

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

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.card-title {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

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

.card-icon {
  font-size: 3rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
}

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

.service-card {
  text-align: center;
  padding: var(--space-xl);
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  font-size: 4rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
  display: inline-block;
  transition: transform var(--transition-base);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-xl);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.pricing-table th,
.pricing-table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.pricing-table th {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
}

.pricing-table tr:hover {
  background-color: var(--color-accent);
}

.pricing-table .price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.package-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.package-feature i {
  color: var(--color-success);
}

.calculator-container {
  max-width: 600px;
  margin: var(--space-xl) auto;
  padding: var(--space-xl);
  background-color: var(--color-accent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.calculator-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-label {
  font-weight: 600;
  color: var(--color-primary);
}

.form-input,
.form-select,
.form-textarea {
  padding: var(--space-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-highlight);
}

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

.calculator-result {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  text-align: center;
}

.result-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
}

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

.testimonial-card {
  background-color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial-quote {
  font-size: 3rem;
  color: var(--color-accent);
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  opacity: 0.3;
}

.testimonial-text {
  margin-top: var(--space-lg);
  font-style: italic;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.testimonial-name {
  font-weight: 600;
  color: var(--color-primary);
}

.testimonial-rating {
  color: var(--color-secondary);
  margin-top: var(--space-xs);
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--color-secondary);
  margin-top: var(--space-xs);
}

.contact-form {
  background-color: var(--color-accent);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.form-checkbox {
  margin-top: var(--space-xs);
}

.form-checkbox-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.map-container {
  margin-top: var(--space-xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-iframe {
  width: 100%;
  height: 400px;
  border: none;
}

.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover .gallery-image {
  transform: scale(1.1);
}

.site-footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-xl) 0;
  margin-top: var(--space-xxl);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

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

.footer-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  color: var(--color-accent);
  transition: color var(--transition-base);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-accent);
}

.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background-color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 10000;
  animation: slideInUp 0.5s ease-out;
  display: none;
}

.privacy-popup.show {
  display: block;
}

@keyframes slideInUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.privacy-popup-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.privacy-popup-text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.privacy-popup-buttons {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.btn-accept {
  flex: 1;
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-decline {
  flex: 1;
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.thank-you-container {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  max-width: 600px;
  margin: 0 auto;
}

.thank-you-icon {
  font-size: 5rem;
  color: var(--color-success);
  margin-bottom: var(--space-lg);
  animation: bounce 1s ease-in-out;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.error-container {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.error-code {
  font-size: 8rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: 1.5rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

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

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (min-width: 769px) and (max-width: 874px) {
  .container {
    width: 100%;
    max-width: 100%;
    padding: 0 var(--space-md);
  }
  
  .header-container {
    width: 100%;
    max-width: 100%;
    padding: 0 var(--space-md);
    flex-wrap: nowrap;
  }
  
  .footer-container {
    width: 100%;
    max-width: 100%;
    padding: 0 var(--space-md);
  }
  
  .hero-section {
    width: 100%;
  }
  
  .section {
    width: 100%;
  }
  
  .main-content {
    width: 100%;
  }
  
  body {
    width: 100%;
    overflow-x: hidden;
  }
  
  .card-grid,
  .services-grid,
  .testimonials-grid,
  .image-gallery {
    width: 100%;
  }
  
  .nav-menu {
    gap: 0.375rem;
    flex-wrap: nowrap;
    flex-shrink: 1;
    min-width: 0;
  }
  
  .nav-link {
    font-size: 0.8125rem;
    white-space: nowrap;
    padding: var(--space-xs) 0.25rem;
    flex-shrink: 0;
  }
  
  .brand-text {
    font-size: clamp(0.95rem, 2.5vw, 1.4rem);
    flex-shrink: 1;
    min-width: 0;
    margin-right: var(--space-sm);
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .site-header {
    overflow: hidden;
    width: 100%;
  }
  
  nav {
    flex-shrink: 1;
    min-width: 0;
    max-width: 100%;
  }
  
  .header-container {
    overflow: hidden;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .burger-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 999;
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-link {
    width: 100%;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
  }
  
  .hero-section {
    min-height: 500px;
  }
  
  .contact-section {
    grid-template-columns: 1fr;
  }
  
  .card-grid,
  .services-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-table {
    font-size: 0.9rem;
  }
  
  .pricing-table th,
  .pricing-table td {
    padding: var(--space-sm);
  }
  
  .pricing-table tr:last-child td {
    text-align: center;
  }
  
  .pricing-table tr:last-child td:not(:first-child) {
    text-align: center;
  }
  
  .pricing-table tr:last-child td .btn {
    display: inline-block;
    width: auto;
    margin: 0 auto;
  }
  
  .privacy-popup {
    bottom: var(--space-md);
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }
  
  .image-gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --space-xl: 2rem;
    --space-xxl: 3rem;
  }
  
  .hero-section {
    min-height: 400px;
    padding: var(--space-lg) var(--space-md);
  }
  
  .section {
    padding: var(--space-xl) 0;
  }
  
  .card,
  .service-card {
    padding: var(--space-md);
  }
  
  .calculator-container,
  .contact-form {
    padding: var(--space-md);
  }
  
  .error-code {
    font-size: 5rem;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
  }
}

.scroll-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-white);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  transition: opacity var(--transition-slow);
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-icon {
  font-size: 3rem;
  color: var(--color-secondary);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.sticky-quote-btn {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 999;
  display: none;
  box-shadow: var(--shadow-xl);
  border-radius: var(--radius-full);
  width: 60px;
  height: 60px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .sticky-quote-btn {
    display: flex;
  }
}