:root {
  
  --color-primary: #0071E3;
  --color-primary-hover: #0077ED;
  --color-primary-active: #0066CC;
  --color-secondary: #1D1D1F;
  --color-accent: #FF3B30;
  --color-success: #30D158;
  --color-warning: #FF9F0A;
  --color-info: #64D2FF;
  
  
  --color-text-primary: #1D1D1F;
  --color-text-secondary: #6E6E73;
  --color-text-tertiary: #8E8E93;
  --color-text-quaternary: #C7C7CC;
  --color-background-primary: #FFFFFF;
  --color-background-secondary: #F5F5F7;
  --color-background-tertiary: #F2F2F7;
  --color-background-quaternary: #FAFAFA;
  --color-border: #D2D2D7;
  --color-border-secondary: #E5E5EA;
  --color-border-tertiary: #F2F2F7;
  
  
  --color-dark-bg-primary: #000000;
  --color-dark-bg-secondary: #1C1C1E;
  --color-dark-bg-tertiary: #2C2C2E;
  --color-dark-bg-quaternary: #3A3A3C;
  --color-dark-text-primary: #FFFFFF;
  --color-dark-text-secondary: #EBEBF5;
  --color-dark-text-tertiary: #C7C7CC;
  --color-dark-text-quaternary: #8E8E93;
  --color-dark-border: #38383A;
  --color-dark-border-secondary: #48484A;
  
  
  --font-family-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
  
  
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --font-size-3xl: clamp(2rem, 1.7rem + 1.5vw, 3rem);
  --font-size-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --font-size-5xl: clamp(3rem, 2.5rem + 2.5vw, 5rem);
  
  
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;
  
  
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}


@media (prefers-color-scheme: dark) {
  :root {
    --color-text-primary: var(--color-dark-text-primary);
    --color-text-secondary: var(--color-dark-text-secondary);
    --color-text-tertiary: var(--color-dark-text-tertiary);
    --color-text-quaternary: var(--color-dark-text-quaternary);
    --color-background-primary: var(--color-dark-bg-primary);
    --color-background-secondary: var(--color-dark-bg-secondary);
    --color-background-tertiary: var(--color-dark-bg-tertiary);
    --color-background-quaternary: var(--color-dark-bg-quaternary);
    --color-border: var(--color-dark-border);
    --color-border-secondary: var(--color-dark-border-secondary);
    --color-border-tertiary: var(--color-dark-border-secondary);
  }
  
  .header {
    background: transparent;
    border-bottom: none;
    box-shadow: none;
  }
  
  .header.scrolled {
    background: rgba(28, 28, 30, 0.95);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-dark-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  }
  
  .nav-menu {
    background: transparent;
    box-shadow: none;
  }
  
  .social-link.telegram:hover {
    box-shadow: 0 8px 25px rgba(0, 136, 204, 0.5);
  }
  
  .social-link.whatsapp:hover {
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
  }
  
  .footer {
    background: var(--color-dark-bg-secondary);
  }
  
  .footer-section h3,
  .footer-section h4 {
    color: var(--color-dark-text-primary);
  }
  
  .footer-section p,
  .footer-section ul li a {
    color: var(--color-dark-text-secondary);
  }
  
  .footer-bottom {
    color: var(--color-dark-text-tertiary);
    border-top-color: var(--color-dark-border);
  }
}


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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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


.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-lg);
}


h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

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


.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-border-secondary);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.logo-text:hover {
  color: var(--color-primary-hover);
  transform: translateY(-1px);
}


.logo-img {
  width: 90px;
  height: 27px;
  display: block;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.logo-container {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.logo-container:hover {
  transform: translateY(-1px);
}

.logo-container:hover .logo-img {
  transform: scale(1.02);
  filter: drop-shadow(0 4px 12px rgba(0, 113, 227, 0.3));
}

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

.nav-link {
  position: relative;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  padding: var(--space-sm) 0;
}

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

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

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


.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--space-sm);
}

.bar {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  margin: 2px 0;
  transition: all var(--transition-fast);
  border-radius: var(--radius-sm);
}

.hamburger.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}


.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #1D1D1F 0%, #2C2C2E 50%, #1D1D1F 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(0, 113, 227, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 113, 227, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(255, 59, 48, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.02) 50%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.hero-content {
  color: white;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease-out 0.2s forwards;
}

.hero-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2xl);
  opacity: 0.9;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease-out 0.4s forwards;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease-out 0.6s forwards;
}


.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-height: 44px; 
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(0, 113, 227, 0.3);
}

.btn-primary:active {
  background: var(--color-primary-active);
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}


.hero-graphic {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  opacity: 0;
  transform: scale(0.8);
  animation: scaleIn 1s ease-out 0.8s forwards;
}

.hero-graphic i {
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: white;
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.hero-graphic i:hover {
  transform: scale(1.05) rotate(5deg);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}


.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
}

.section-header p {
  font-size: var(--font-size-lg);
  opacity: 0;
  transform: translateY(30px);
}


.services {
  padding: var(--space-5xl) 0;
  background: var(--color-background-primary);
  position: relative;
}

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

.service-card {
  background: var(--color-background-primary);
  padding: var(--space-2xl);
  border-radius: var(--radius-2xl);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border-tertiary);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-info));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  border-color: var(--color-border-secondary);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-info));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 2rem;
  color: white;
  transition: all var(--transition-normal);
  box-shadow: 0 8px 25px rgba(0, 113, 227, 0.3);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 35px rgba(0, 113, 227, 0.4);
}

.service-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.service-card p {
  margin-bottom: var(--space-lg);
  color: var(--color-text-secondary);
}

.service-card ul {
  list-style: none;
}

.service-card li {
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: var(--space-lg);
  transition: color var(--transition-fast);
}

.service-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
  font-size: var(--font-size-sm);
}

.service-card li:hover {
  color: var(--color-text-primary);
}


.projects {
  padding: var(--space-5xl) 0;
  background: var(--color-background-primary);
}

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

.project-card {
  background: var(--color-background-primary);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
  opacity: 0;
  transform: translateY(30px);
}

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

.project-image {
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: white;
  position: relative;
  overflow: hidden;
}

.project-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image::before {
  transform: translateX(100%);
}

.project-content {
  padding: var(--space-2xl);
}

.project-content h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.project-content p {
  margin-bottom: var(--space-lg);
  color: var(--color-text-secondary);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag {
  background: var(--color-background-secondary);
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border: 1px solid var(--color-border-secondary);
  transition: all var(--transition-fast);
}

.tag:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}


.contact {
  padding: var(--space-5xl) 0;
  background: var(--color-background-primary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  margin-top: var(--space-3xl);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  opacity: 0;
  transform: translateX(-30px);
}

.contact-item i {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-lg);
  transition: all var(--transition-normal);
}

.contact-item:hover i {
  transform: scale(1.1) rotate(5deg);
}

.contact-item h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

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

.contact-form {
  background: var(--color-background-primary);
  padding: var(--space-2xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateX(30px);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-family: var(--font-family-primary);
  transition: all var(--transition-fast);
  background: var(--color-background-primary);
  color: var(--color-text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

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


.footer {
  background: var(--color-secondary);
  color: var(--color-background-primary);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  margin-bottom: var(--space-xl);
}

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

.footer-section h3,
.footer-section h4 {
  margin-bottom: var(--space-md);
  color: var(--color-background-primary);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-sm);
}

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

.footer-section ul li {
  margin-bottom: var(--space-sm);
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--space-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}


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

@keyframes scaleIn {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}


.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}


.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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


.social-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: var(--space-lg);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.social-link i {
  font-size: 18px;
  transition: all var(--transition-normal);
}

.social-link.telegram {
  background: linear-gradient(135deg, #0088cc, #00a8ff);
  color: white;
}

.social-link.telegram:hover {
  background: linear-gradient(135deg, #0077b3, #0099e6);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 136, 204, 0.3);
}

.social-link.whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
}

.social-link.whatsapp:hover {
  background: linear-gradient(135deg, #1ea952, #0f7a6b);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

.social-link:hover i {
  transform: scale(1.1);
}

.social-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.social-link:hover::before {
  opacity: 1;
}


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

  .logo-img {
    width: 75px;
    height: 23px;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 60px;
    flex-direction: column;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    width: 100%;
    text-align: center;
    transition: left var(--transition-normal);
    box-shadow: none;
    padding: var(--space-xl) 0;
    gap: var(--space-lg);
  }

  .nav-menu.active {
    left: 0;
  }
  
  .social-links {
    margin-left: var(--space-md);
    gap: var(--space-xs);
  }
  
  .social-link {
    width: 36px;
    height: 36px;
  }
  
  .social-link i {
    font-size: 16px;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2xl);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-graphic {
    grid-template-columns: repeat(2, 1fr);
    font-size: 2.5rem;
  }

  .services-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .logo-img {
    width: 60px;
    height: 18px;
  }
  
  .social-links {
    margin-left: var(--space-sm);
  }
  
  .social-link {
    width: 32px;
    height: 32px;
  }
  
  .social-link i {
    font-size: 14px;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: var(--font-size-2xl);
  }

  .hero-description {
    font-size: var(--font-size-base);
  }

  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
  }

  .services,
  .projects,
  .contact {
    padding: var(--space-3xl) 0;
  }

  .service-card,
  .project-card {
    padding: var(--space-lg);
  }

  .contact-form {
    padding: var(--space-lg);
  }
}


@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  }
}


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


@media print {
  .header,
  .hero-buttons,
  .contact-form,
  .footer {
    display: none;
  }
  
  .hero {
    background: none;
    color: black;
  }
  
  .service-card,
  .project-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}