:root {
    --bg: #0F1020;
    --fg: #F8FAFC;
    --muted: #A1A1AA;
    --c1: #FFB703; 
    --c2: #219EBC; 
    --c3: #8E32FF; 
    --c4: #2A9D8F; 
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    --font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    
    --radius: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --border-width: 1px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    
    --container-max: 1280px;
    --grid-cols: 12;
    --nav-height: 80px;
  }
  
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    scroll-behavior: smooth;
    font-size: 16px;
  }
  
  body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    font-feature-settings: "tnum" 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  html, body { overflow-x: hidden; }
  
  body.menu-open {
    overflow: hidden;
  }
  
  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
  }
  
  h1 { font-size: clamp(2.5rem, 5vw, 3.6rem); }
  h2 { font-size: clamp(2rem, 4vw, 3rem); }
  h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
  h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
  
  p {
    margin-bottom: var(--space-md);
    color: var(--fg);
  }
  
  a {
    color: var(--c2);
    text-decoration: none;
    transition: all 0.2s ease;
  }
  
  a:hover {
    color: var(--c1);
  }
  
  a:focus {
    outline: 2px solid var(--c2);
    outline-offset: 2px;
    border-radius: 2px;
  }
  
  .container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
  }
  
  .grid {
    display: grid;
    gap: var(--space-lg);
  }
  
  .grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
  .grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
  .grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
  
  .panel {
    background: rgba(248, 250, 252, 0.02);
    border: var(--border-width) solid rgba(248, 250, 252, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
  }
  
  .panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c1), var(--c2), var(--c3));
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  
  .panel:hover::before {
    opacity: 1;
  }
  
  .panel:hover {
    border-color: rgba(248, 250, 252, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }
  
  .panel-accent-1 { border-color: var(--c1); }
  .panel-accent-2 { border-color: var(--c2); }
  .panel-accent-3 { border-color: var(--c3); }
  .panel-accent-4 { border-color: var(--c4); }
  
  .color-block {
    padding: var(--space-3xl) 0;
    position: relative;
  }
  
  .color-block-1 { background: linear-gradient(135deg, var(--c1), rgba(255, 183, 3, 0.8)); }
  .color-block-2 { background: linear-gradient(135deg, var(--c2), rgba(33, 158, 188, 0.8)); }
  .color-block-3 { background: linear-gradient(135deg, var(--c3), rgba(142, 50, 255, 0.8)); }
  .color-block-4 { background: linear-gradient(135deg, var(--c4), rgba(42, 157, 143, 0.8)); }
  
  .color-block h2,
  .color-block h3 {
    color: var(--bg);
  }
  
  .color-block p {
    color: rgba(15, 16, 32, 0.8);
  }
  
  .nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 16, 32, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: var(--border-width) solid rgba(248, 250, 252, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
  }
  
  .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
  }
  
  .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--fg);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
  }
  
  .nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    align-items: center;
  }
  
  @media (max-width: 1024px) {
    .nav-menu {
      gap: var(--space-md);
    }
    .nav-menu > li {
      display: block;
    }
    .nav-container .nav-menu:not(.active) {
      display: none;
    }
  }
  
  .nav-link {
    color: var(--muted);
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius);
    transition: all 0.2s ease;
  }
  
  .nav-link:hover,
  .nav-link.active {
    color: var(--fg);
    background: rgba(248, 250, 252, 0.1);
  }
  
  .nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--fg);
    font-size: 1.5rem;
    cursor: pointer;
  }
  
  .nav-toggle {
    padding: var(--space-xs);
    border: var(--border-width) solid rgba(248, 250, 252, 0.25);
    border-radius: var(--radius-lg);
    background: rgba(248, 250, 252, 0.08);
    line-height: 1;
  }
  .nav-toggle .icon {
    width: 2rem;
    height: 2rem;
  }
  .nav-toggle svg path {
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    fill: none;
  }
  .nav-toggle:hover,
  .nav-toggle:focus {
    background: rgba(248, 250, 252, 0.16);
    border-color: rgba(248, 250, 252, 0.4);
    outline: none;
  }
  .nav-toggle[aria-expanded="true"] {
    background: var(--c2);
    color: var(--bg);
    border-color: transparent;
  }
  .nav-toggle[aria-expanded="true"] svg path {
    stroke: var(--bg);
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    border: var(--border-width) solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
    line-height: 1;
  }
  
  .btn-primary {
    background: var(--c2);
    color: var(--bg);
  }
  
  .btn-primary:hover {
    background: var(--c1);
    color: var(--bg);
  }
  
  .btn-secondary {
    background: transparent;
    border-color: var(--c2);
    color: var(--c2);
  }
  
  .btn-secondary:hover {
    background: var(--c2);
    color: var(--bg);
  }
  
  .btn-ghost {
    background: transparent;
    color: var(--fg);
    border-color: rgba(248, 250, 252, 0.2);
  }
  
  .btn-ghost:hover {
    background: rgba(248, 250, 252, 0.1);
    border-color: rgba(248, 250, 252, 0.3);
  }
  
  .form-group {
    margin-bottom: var(--space-lg);
  }
  
  .form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 600;
    color: var(--fg);
  }
  
  .form-input,
  .form-textarea,
  .form-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: rgba(248, 250, 252, 0.05);
    border: var(--border-width) solid rgba(248, 250, 252, 0.2);
    border-radius: var(--radius);
    color: var(--fg);
    font-size: 1rem;
    transition: all 0.2s ease;
  }
  
  .form-input:focus,
  .form-textarea:focus,
  .form-select:focus {
    outline: none;
    border-color: var(--c2);
    box-shadow: 0 0 0 3px rgba(33, 158, 188, 0.1);
  }
  
  .form-textarea {
    resize: vertical;
    min-height: 120px;
  }
  
  .form-error {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: var(--space-xs);
  }
  
  .section {
    padding: var(--space-3xl) 0;
  }
  
  .section-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(ellipse at center, rgba(33, 158, 188, 0.1) 0%, var(--bg) 70%);
    position: relative;
    overflow: hidden;
    padding-top: var(--nav-height);
  }
  
  .section-hero--compact {
    min-height: 60vh;
    align-items: flex-start;
    padding-top: calc(var(--nav-height) + var(--space-xl));
    padding-bottom: var(--space-2xl);
  }
  .section-hero--compact .hero-content {
    margin-top: 0;
  }
  
  .hero-content {
    position: relative;
    z-index: 2;
  }
  
  .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../img/hero-bg.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    z-index: 1;
  }
  
  .footer {
    background: rgba(248, 250, 252, 0.02);
    border-top: var(--border-width) solid rgba(248, 250, 252, 0.1);
    padding: var(--space-3xl) 0 var(--space-xl);
  }
  
  .footer-content {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
  }
  
  .footer-section h4 {
    margin-bottom: var(--space-md);
    color: var(--fg);
  }
  
  .footer-section p,
  .footer-section a {
    color: var(--muted);
    font-size: 0.875rem;
  }
  
  .footer-section a:hover {
    color: var(--fg);
  }
  
  .footer-bottom {
    padding-top: var(--space-xl);
    border-top: var(--border-width) solid rgba(248, 250, 252, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
  }
  
  .footer-legal {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
  }
  
  .footer-legal a {
    color: var(--muted);
    font-size: 0.875rem;
  }
  
  .icon {
    width: 1.5rem;
    height: 1.5rem;
    fill: currentColor;
  }
  
  .icon-sm {
    width: 1rem;
    height: 1rem;
  }
  
  .icon-lg {
    width: 2rem;
    height: 2rem;
  }
  
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
  }
  
  .animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
  }
  
  .animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
  }

  body:not(.loaded) .nav,
  body:not(.loaded) #main-content,
  body:not(.loaded) .footer {
    opacity: 0;
    transform: translateY(8px) scale(0.995);
  }
  body.loaded .nav,
  body.loaded #main-content,
  body.loaded .footer {
    opacity: 1;
    transform: none;
    transition: opacity 0.5s ease-out, transform 0.6s ease-out;
  }
  
  @media (max-width: 768px) {
    body.loaded #main-content { transition-delay: 0s; }
  }
  body.loaded .nav { transition-delay: 0s; }
  body.loaded #main-content { transition-delay: 0.1s; }
  body.loaded .footer { transition-delay: 0.2s; }

  @media (prefers-reduced-motion: reduce) {
    .animate-on-scroll,
    .animate-on-scroll.animated,
    body:not(.loaded) .nav,
    body:not(.loaded) #main-content,
    body:not(.loaded) .footer,
    body.loaded .nav,
    body.loaded #main-content,
    body.loaded .footer {
      transition: none !important;
      animation: none !important;
      transform: none !important;
      opacity: 1 !important;
    }
  }
  
  .modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }
  
  .modal.active {
    opacity: 1;
    visibility: visible;
  }
  
  .modal-content {
    background: var(--bg);
    border: var(--border-width) solid rgba(248, 250, 252, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
  }
  
  .modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s ease;
  }
  
  .modal-close:hover {
    color: var(--fg);
  }
  
  .cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 16, 32, 0.95);
    backdrop-filter: blur(20px);
    border-top: var(--border-width) solid rgba(248, 250, 252, 0.1);
    padding: var(--space-lg);
    z-index: 1500;
    transform: translateY(100%);
    transition: transform 0.3s ease;
  }
  
  .cookie-banner.show {
    transform: translateY(0);
  }
  
  .cookie-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
  }
  
  .cookie-text {
    color: var(--muted);
    font-size: 0.875rem;
    margin: 0;
  }
  
  .cookie-actions {
    display: flex;
    gap: var(--space-sm);
  }
  
  @media (max-width: 1024px) {
    .nav-menu {
      display: none;
      position: fixed;
      top: var(--nav-height);
      left: 0;
      right: 0;
      background: rgba(15, 16, 32, 0.98);
      backdrop-filter: blur(20px);
      flex-direction: column;
      padding: var(--space-lg);
      transform: translateY(0);
      transition: opacity 0.2s ease;
      border-bottom: var(--border-width) solid rgba(248, 250, 252, 0.1);
    }

    .nav-menu.active {
      display: flex;
    }

    .nav-toggle {
      display: block;
    }
  }

  @media (max-width: 768px) {
    :root {
      --space-3xl: 3rem;
      --space-2xl: 2rem;
    }
    
    .section-hero {
      padding-top: calc(var(--nav-height) + var(--space-lg));
    }
    
    .nav-menu {
      position: fixed;
      top: var(--nav-height);
      left: 0;
      right: 0;
      background: rgba(15, 16, 32, 0.98);
      backdrop-filter: blur(20px);
      flex-direction: column;
      padding: var(--space-lg);
      transform: translateY(-100%);
      transition: transform 0.3s ease;
      border-bottom: var(--border-width) solid rgba(248, 250, 252, 0.1);
    }
    
    .nav-menu.active {
      transform: translateY(0);
    }
    
    .nav-toggle {
      display: block;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
      grid-template-columns: 1fr;
    }
    
    .footer-content {
      grid-template-columns: 1fr;
    }
    
    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }
    
    .cookie-content {
      flex-direction: column;
      text-align: center;
    }
    
    .panel {
      padding: var(--space-lg);
    }

    .section-hero .hero-content h1 {
      font-size: clamp(1.75rem, 7vw, 2.25rem);
      word-break: break-word;
      hyphens: auto;
    }
    .section-hero .hero-content p {
      font-size: 1rem;
    }
    .section-hero img { max-width: 100%; height: auto; display: block; }
    .section-hero .animate-on-scroll > .panel {
      padding: 0.5rem;
      min-width: 88px;
    }
  }
  
  @media (min-width: 769px) {
    .footer-content {
      grid-template-columns: 2fr 1fr 1fr 1fr;
    }
    
    .section-hero .hero-content h1 {
      margin-top: 3.8rem;
    }
    
    .services-overview-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  .text-center { text-align: center; }
  .text-left { text-align: left; }
  .text-right { text-align: right; }
  
  .mb-0 { margin-bottom: 0; }
  .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); }
  
  .mt-0 { margin-top: 0; }
  .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); }
  
  .text-muted { color: var(--muted); }
  .text-accent-1 { color: var(--c1); }
  .text-accent-2 { color: var(--c2); }
  .text-accent-3 { color: var(--c3); }
  .text-accent-4 { color: var(--c4); }
  
  .bg-accent-1 { background-color: var(--c1); }
  .bg-accent-2 { background-color: var(--c2); }
  .bg-accent-3 { background-color: var(--c3); }
  .bg-accent-4 { background-color: var(--c4); }
  
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }