:root {
  --color-primary: #4B7BEC;
  --color-secondary: #FFB400;
  --color-neutral-bg: #F5F7FA;
  --color-neutral-text: #1F1F1F;
  --color-white: #ffffff;
  --color-light-gray: #e8e8e8;
  --color-dark-gray: #6b6b6b;
  
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', 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-xl: 16px;
  
  --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);
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  --max-width: 1200px;
  --header-height: 67px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-neutral-text);
  background-color: var(--color-white);
  line-height: 1.6;
  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);
  color: var(--color-neutral-text);
}

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);
  font-size: clamp(0.9rem, 2vw, 1.125rem);
}

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

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

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

.header-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  gap: var(--space-xxl);
}

.brand-text {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2vw, 1.75rem);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
}

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

.nav-link {
  font-size: 1rem;
  color: var(--color-neutral-text);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  background: var(--color-neutral-bg);
  color: var(--color-primary);
}

.burger-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

.burger-line {
  width: 25px;
  height: 3px;
  background: var(--color-neutral-text);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.burger-toggle.active .burger-line:nth-child(1),
.burger-toggle.active .burger-line:nth-child(2),
.burger-toggle.active .burger-line:nth-child(3) {
  transform: none;
  opacity: 1;
}

@media (max-width: 1109px) and (min-width: 1024px) {
  .header-wrapper {
    padding: var(--space-md);
  }

  .nav-menu {
    gap: var(--space-md);
    flex-wrap: wrap;
  }

  .nav-link {
    padding: var(--space-sm) var(--space-sm);
    font-size: 0.95rem;
  }

  .brand-text {
    font-size: clamp(1rem, 2vw, 1.5rem);
  }
}

@media (max-width: 1023px) {
  .burger-toggle {
    display: flex;
  }
  
  @media (max-width: 1016px) and (min-width: 970px) {
    .header-wrapper {
      padding: var(--space-md) var(--space-md);
    }

    .nav-menu {
      max-width: min(500px, calc(100vw - (2 * var(--space-md))));
      gap: var(--space-sm);
      padding: 0 var(--space-md);
    }

    .nav-link {
      font-size: 0.95rem;
      padding: var(--space-sm) var(--space-sm);
    }

    .brand-text {
      font-size: clamp(0.95rem, 2vw, 1.4rem);
    }
  }
  
  .nav-menu {
    position: absolute;
    top: var(--header-height);
    left: 50%;
    transform: translateX(-50%);
    width: min(540px, calc(100vw - (2 * var(--space-md))));
    max-width: min(540px, calc(100vw - (2 * var(--space-md))));
    max-height: 0;
    overflow: hidden;
    background: var(--color-white);
    flex-direction: column;
    align-items: center;
    padding: 0 var(--space-lg);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-lg);
    transition: max-height var(--transition-normal), opacity var(--transition-normal), transform var(--transition-normal);
    gap: var(--space-md);
    z-index: 1000;
    opacity: 0;
    transform: translateX(-50%);
  }
  
  .nav-menu.active {
    max-height: 70vh;
    opacity: 1;
    transform: translateX(-50%);
    padding: var(--space-xl) var(--space-lg) var(--space-lg);
  }
  
  .nav-link {
    width: 100%;
    padding: var(--space-md);
  }
}

.main-content {
  min-height: calc(100vh - 200px);
  padding: 0;
}

.hero-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, #6B9EFF 100%);
  color: var(--color-white);
  padding: var(--space-xxl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-top: 0;
}

.hero-section h1,
.hero-section p {
  color: var(--color-white);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.hero-title {
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s ease;
}

.hero-description {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 1s ease;
}

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

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-neutral-text);
}

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

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-primary);
}

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

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

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

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

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

.section-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

.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-dark-gray);
  font-size: 0.95rem;
}

.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 16/9;
}

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

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

.contact-form {
  max-width: 600px;
  margin: var(--space-xl) auto;
  background: var(--color-neutral-bg);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  color: var(--color-neutral-text);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

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

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

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

.checkbox-input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.9rem;
  color: var(--color-dark-gray);
}

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

.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;
}

.footer-link {
  color: var(--color-light-gray);
  display: block;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.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);
  font-size: 0.9rem;
  color: var(--color-light-gray);
}

.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  transform: translateY(150%);
  transition: transform var(--transition-normal);
}

.privacy-popup.show {
  transform: translateY(0);
}

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

.privacy-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

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

.privacy-buttons {
  display: flex;
  gap: var(--space-sm);
}

.btn-small {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
}

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-xl) 0;
  box-shadow: var(--shadow-md);
}

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

.pricing-toggle {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.toggle-switch {
  position: relative;
  width: 60px;
  height: 30px;
  background: var(--color-light-gray);
  border-radius: 15px;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.toggle-switch.active {
  background: var(--color-primary);
}

.toggle-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  background: var(--color-white);
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.toggle-switch.active .toggle-slider {
  transform: translateX(30px);
}

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

.pricing-card {
  background: var(--color-white);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
}

.pricing-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, #6B9EFF 100%);
  color: var(--color-white);
}

.pricing-card.featured .pricing-title,
.pricing-card.featured .pricing-price,
.pricing-card.featured .pricing-feature {
  color: var(--color-white);
}

.pricing-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.pricing-period {
  font-size: 1rem;
  color: var(--color-dark-gray);
}

.pricing-features {
  list-style: none;
  margin: var(--space-lg) 0;
  text-align: left;
}

.pricing-feature {
  padding: var(--space-sm) 0;
  color: var(--color-dark-gray);
  position: relative;
  padding-left: var(--space-lg);
}

.pricing-feature:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

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

.testimonial-card {
  background: var(--color-neutral-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--space-md);
  color: var(--color-dark-gray);
}

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

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

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

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

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

.blog-content {
  padding: var(--space-lg);
}

.blog-date {
  font-size: 0.85rem;
  color: var(--color-dark-gray);
  margin-bottom: var(--space-sm);
}

.error-page {
  text-align: center;
  padding: var(--space-xxl) 0;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: var(--space-lg);
}

.thank-you-section {
  text-align: center;
  padding: var(--space-xxl) 0;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

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

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

@media (max-width: 768px) {
  :root {
    --space-xl: 2rem;
    --space-xxl: 3rem;
  }
  
  .hero-section {
    padding: var(--space-xl) 0;
  }
  
  .content-section {
    padding: var(--space-lg) 0;
  }
  
  .section-grid,
  .pricing-grid,
  .testimonial-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .image-gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .privacy-popup {
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .header-wrapper {
    padding: var(--space-md);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
  }
  
  .pricing-price {
    font-size: 2rem;
  }
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.split-section.reverse {
  direction: rtl;
}

.split-section.reverse > * {
  direction: ltr;
}

.split-content {
  padding: var(--space-lg);
}

.split-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.two-column-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.four-column-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.masonry-layout {
  columns: 3;
  column-gap: var(--space-lg);
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--space-lg);
}

.timeline-container {
  position: relative;
  padding: var(--space-xl) 0;
}

.timeline-item {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  position: relative;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  flex-shrink: 0;
}

.timeline-content {
  flex: 1;
  background: var(--color-neutral-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  text-align: center;
}

.stat-item {
  padding: var(--space-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.stat-label {
  color: var(--color-dark-gray);
  font-size: 1rem;
}

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

.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-neutral-bg);
  border-radius: var(--radius-md);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.large-image-section {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.large-image-section img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

.large-image-overlay {
  position: relative;
  z-index: 2;
  background: rgba(0, 0, 0, 0.6);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  text-align: center;
  max-width: 600px;
}

.card-horizontal {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.card-horizontal-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-horizontal-content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.zigzag-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.zigzag-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.zigzag-item:nth-child(even) {
  direction: rtl;
}

.zigzag-item:nth-child(even) > * {
  direction: ltr;
}

.centered-text-section {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-xl);
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
  text-align: center;
}

.icon-item {
  padding: var(--space-lg);
}

.icon-wrapper {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  background: var(--color-neutral-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .split-section,
  .two-column-grid,
  .zigzag-item {
    grid-template-columns: 1fr;
  }
  
  .four-column-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .masonry-layout {
    columns: 1;
  }
  
  .card-horizontal {
    grid-template-columns: 1fr;
  }
  
  .timeline-item {
    flex-direction: column !important;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .four-column-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 320px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .hero-content,
  .contact-form {
    padding: var(--space-md);
  }
}