:root {
    --bg: #070b14;
    --bg-secondary: #0d1322;
    --panel: rgba(18, 26, 45, 0.72);
    --panel-strong: rgba(15, 22, 38, 0.92);
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.14);
    --text: #f4f7fb;
    --text-muted: #a9b5c9;
    --accent: #61dafb;
    --accent-strong: #4bb8d9;
    --shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
    --radius: 22px;
    --radius-sm: 14px;
    --container: 1180px;
    --header-height: 84px;
    --transition: 0.28s ease;
  }
  
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    margin: 0;
    font-family: "Inter", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
  }
  
  img {
    max-width: 100%;
    display: block;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  button,
  input,
  textarea {
    font: inherit;
  }
  
  button {
    cursor: pointer;
    border: none;
    background: none;
  }
  
  .container {
    width: min(100% - 40px, var(--container));
    margin: 0 auto;
  }
  
  .site-bg {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: -1;
  }
  
  .bg-grid {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: radial-gradient(circle at center, black 40%, transparent 85%);
    opacity: 0.55;
  }
  
  .bg-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(90px);
    opacity: 0.16;
  }
  
  .orb-1 {
    width: 360px;
    height: 360px;
    background: var(--accent);
    top: 60px;
    left: -80px;
  }
  
  .orb-2 {
    width: 320px;
    height: 320px;
    background: #4f7cff;
    right: -60px;
    top: 180px;
  }
  
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    background: rgba(7, 11, 20, 0.72);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .header-inner {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  
  .logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
  }
  
  .logo-mark {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #7de8ff);
    box-shadow: 0 0 18px rgba(97, 218, 251, 0.7);
    flex-shrink: 0;
  }
  
  .logo-text {
    font-size: 1rem;
  }
  
  .site-nav {
    display: flex;
    align-items: center;
    gap: 28px;
  }
  
  .site-nav a {
    color: var(--text-muted);
    font-size: 0.96rem;
    transition: color var(--transition);
  }
  
  .site-nav a:hover {
    color: var(--text);
  }
  
  .menu-toggle {
    display: none;
    width: 48px;
    height: 48px;
    border: 1px solid var(--line);
    border-radius: 14px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    background: rgba(255, 255, 255, 0.03);
  }
  
  .menu-toggle span {
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 999px;
    transition: transform var(--transition), opacity var(--transition);
  }
  
  .section {
    padding: 110px 0;
  }
  
  .hero {
    padding-top: 72px;
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
  }
  
  .hero-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 48px;
    align-items: center;
  }
  
  .eyebrow,
  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 18px;
  }
  
  .eyebrow::before,
  .section-label::before {
    content: "";
    width: 28px;
    height: 1px;
    background: currentColor;
    opacity: 0.8;
  }
  
  .hero h1 {
    margin: 0 0 22px;
    font-size: clamp(2.7rem, 6vw, 4.9rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
    max-width: 11ch;
  }
  
  .hero h1 span {
    color: var(--accent);
  }
  
  .hero-text {
    max-width: 62ch;
    color: var(--text-muted);
    font-size: 1.06rem;
    margin-bottom: 32px;
  }
  
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 22px;
    border-radius: 16px;
    font-weight: 600;
    transition:
      transform var(--transition),
      border-color var(--transition),
      background var(--transition),
      color var(--transition),
      box-shadow var(--transition);
  }
  
  .btn:hover {
    transform: translateY(-2px);
  }
  
  .btn-primary {
    color: #071018;
    background: var(--accent);
    box-shadow: 0 14px 30px rgba(97, 218, 251, 0.22);
  }
  
  .btn-primary:hover {
    background: #7ae3ff;
  }
  
  .btn-secondary {
    border: 1px solid var(--line-strong);
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
  }
  
  .btn-secondary:hover {
    border-color: rgba(97, 218, 251, 0.4);
    background: rgba(255, 255, 255, 0.06);
  }
  
  .btn-full {
    width: 100%;
  }
  
  .hero-card {
    position: relative;
  }
  
  .hero-card-inner,
  .service-card,
  .feature-card,
  .contact-form-wrap {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
  }
  
  .hero-card-inner {
    padding: 28px;
  }
  
  .hero-card-top {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 24px;
  }
  
  .status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #64f4a7;
    box-shadow: 0 0 14px rgba(100, 244, 167, 0.9);
  }
  
  .hero-stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  
  .hero-stat {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .hero-stat strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 8px;
  }
  
  .hero-stat span {
    display: block;
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.55;
  }
  
  .section-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 48px;
    align-items: start;
  }
  
  .section-heading h2,
  .section-header h2,
  .contact-info h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.1rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
  }
  
  .section-copy p,
  .section-header p,
  .contact-info p {
    margin: 0 0 18px;
    color: var(--text-muted);
    font-size: 1.02rem;
  }
  
  .section-header {
    max-width: 760px;
    margin-bottom: 36px;
  }
  
  .services-grid,
  .features-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
  
  .service-card,
  .feature-card {
    padding: 26px;
    transition:
      transform var(--transition),
      border-color var(--transition),
      background var(--transition);
  }
  
  .service-card:hover,
  .feature-card:hover,
  .contact-form-wrap:hover {
    transform: translateY(-4px);
    border-color: rgba(97, 218, 251, 0.22);
  }
  
  .service-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: rgba(97, 218, 251, 0.12);
    border: 1px solid rgba(97, 218, 251, 0.24);
    margin-bottom: 18px;
  }
  
  .service-icon span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 16px rgba(97, 218, 251, 0.6);
  }
  
  .service-card h3,
  .feature-card h3 {
    margin: 0 0 12px;
    font-size: 1.18rem;
  }
  
  .service-card p,
  .feature-card p {
    margin: 0;
    color: var(--text-muted);
  }
  
  .contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 34px;
    align-items: start;
  }
  
  .contact-list {
    margin-top: 24px;
  }
  
  .contact-link {
    color: var(--accent);
    font-weight: 600;
  }
  
  .contact-form-wrap {
    padding: 28px;
  }
  
  .contact-form {
    display: grid;
    gap: 18px;
  }
  
  .form-row {
    display: grid;
    gap: 10px;
  }
  
  .form-row label {
    font-size: 0.92rem;
    color: var(--text-muted);
  }
  
  .form-row input,
  .form-row textarea {
    width: 100%;
    border: 1px solid var(--line-strong);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    border-radius: 16px;
    padding: 15px 16px;
    outline: none;
    transition: border-color var(--transition), background var(--transition);
  }
  
  .form-row textarea {
    resize: vertical;
    min-height: 150px;
  }
  
  .form-row input::placeholder,
  .form-row textarea::placeholder {
    color: #8190a8;
  }
  
  .form-row input:focus,
  .form-row textarea:focus {
    border-color: rgba(97, 218, 251, 0.4);
    background: rgba(255, 255, 255, 0.06);
  }

  .form-status {
    display: none;
    margin-top: 14px;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(97, 218, 251, 0.25);
    background: rgba(97, 218, 251, 0.08);
    color: var(--text);
  }
  
  .site-footer {
    padding: 34px 0 44px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(8, 12, 22, 0.55);
  }
  
  .footer-inner {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 28px;
  }
  
  .footer-brand p {
    margin: 14px 0 0;
    max-width: 420px;
    color: var(--text-muted);
    font-size: 0.95rem;
  }
  
  .footer-meta {
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: flex-end;
    text-align: right;
  }
  
  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
  }
  
  .footer-links a {
    color: var(--text-muted);
    transition: color var(--transition);
  }
  
  .footer-links a:hover {
    color: var(--text);
  }
  
  .footer-legal {
    padding-top: 4px;
  }
  
  .footer-legal p {
    margin: 0 0 6px;
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.55;
  }
  
  .footer-legal p strong {
    color: var(--text);
    font-weight: 600;
  }
  
  @media (max-width: 860px) {
    .footer-inner {
      flex-direction: column;
      align-items: flex-start;
    }
  
    .footer-meta {
      align-items: flex-start;
      text-align: left;
    }
  
    .footer-links {
      align-items: flex-start;
    }
  }
  
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
      opacity 0.75s ease,
      transform 0.75s ease;
  }
  
  .reveal-delay {
    transition-delay: 0.14s;
  }
  
  .reveal-visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  @media (max-width: 1080px) {
    .hero-grid,
    .section-grid,
    .contact-grid {
      grid-template-columns: 1fr;
    }
  
    .hero {
      min-height: auto;
      padding-top: 60px;
    }
  
    .hero h1 {
      max-width: 13ch;
    }
  }
  
  @media (max-width: 860px) {
    .site-nav {
      position: absolute;
      top: calc(100% + 10px);
      right: 20px;
      left: 20px;
      background: var(--panel-strong);
      border: 1px solid var(--line);
      border-radius: 20px;
      box-shadow: var(--shadow);
      padding: 18px;
      display: grid;
      gap: 8px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(-8px);
      transition:
        opacity var(--transition),
        visibility var(--transition),
        transform var(--transition);
    }
  
    .site-nav.is-open {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
  
    .site-nav a {
      padding: 10px 4px;
      color: var(--text);
    }
  
    .menu-toggle {
      display: inline-flex;
    }
  
    .services-grid,
    .features-grid,
    .hero-stat-grid {
      grid-template-columns: 1fr;
    }
  
    .footer-inner {
      flex-direction: column;
      align-items: flex-start;
    }
  
    .footer-links {
      align-items: flex-start;
    }
  }
  
  @media (max-width: 640px) {
    .container {
      width: min(100% - 28px, var(--container));
    }
  
    .section {
      padding: 82px 0;
    }
  
    .header-inner {
      min-height: 74px;
    }
  
    .hero h1 {
      font-size: clamp(2.2rem, 12vw, 3.2rem);
    }
  
    .hero-text,
    .section-copy p,
    .section-header p,
    .contact-info p {
      font-size: 0.98rem;
    }
  
    .hero-card-inner,
    .service-card,
    .feature-card,
    .contact-form-wrap {
      padding: 22px;
      border-radius: 18px;
    }
  
    .btn {
      width: 100%;
    }
  
    .hero-actions {
      flex-direction: column;
    }
  }

  .form-popup {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(3, 7, 15, 0.72);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    z-index: 999;
  }
  
  .form-popup.is-visible {
    opacity: 1;
    visibility: visible;
  }
  
  .form-popup-box {
    position: relative;
    width: min(100%, 430px);
    padding: 30px 26px 24px;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: var(--panel-strong);
    box-shadow: var(--shadow);
    text-align: center;
  }
  
  .form-popup-box.is-success {
    border-color: rgba(100, 244, 167, 0.3);
  }
  
  .form-popup-box.is-error {
    border-color: rgba(255, 107, 107, 0.28);
  }
  
  .form-popup-close {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    border: 1px solid var(--line);
    color: var(--text);
    font-size: 1.35rem;
    line-height: 1;
    background: rgba(255, 255, 255, 0.04);
  }
  
  .form-popup-icon {
    width: 62px;
    height: 62px;
    border-radius: 50%;
    margin: 0 auto 18px;
    display: grid;
    place-items: center;
    font-size: 1.6rem;
    font-weight: 800;
  }
  
  .form-popup-box.is-success .form-popup-icon {
    color: #64f4a7;
    background: rgba(100, 244, 167, 0.12);
    border: 1px solid rgba(100, 244, 167, 0.24);
  }
  
  .form-popup-box.is-error .form-popup-icon {
    color: #ff7b7b;
    background: rgba(255, 123, 123, 0.12);
    border: 1px solid rgba(255, 123, 123, 0.24);
  }
  
  .form-popup h3 {
    margin: 0 0 10px;
    font-size: 1.35rem;
  }
  
  .form-popup p {
    margin: 0;
    color: var(--text-muted);
  }
  
  .contact-form button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
  }

  .hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
  }