:root {
      --bg: #050607;
      --bg-soft: #0b0d10;
      --panel: #090b0e;
      --card: rgba(255, 255, 255, 0.04);
      --card-strong: rgba(255, 255, 255, 0.065);
      --border: rgba(255, 255, 255, 0.08);
      --border-strong: rgba(255, 77, 94, 0.42);
      --accent: #ff4d5e;
      --accent-2: #ff8a96;
      --text: #ffffff;
      --muted: #8f98a8;
      --muted-2: #c3cad6;
      --shadow: 0 26px 90px rgba(0, 0, 0, 0.42);
      --sidebar: 220px;
      --radius: 22px;
      --ease: cubic-bezier(.22, 1, .36, 1);
      color-scheme: dark;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      overflow: hidden;
      background:
        radial-gradient(circle at 72% 12%, rgba(255, 77, 94, 0.15), transparent 28rem),
        radial-gradient(circle at 34% 38%, rgba(255, 138, 150, 0.08), transparent 32rem),
        linear-gradient(135deg, var(--bg), var(--bg-soft) 48%, #07090d);
      color: var(--text);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.5;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -2;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
      background-size: 72px 72px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.2));
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -1;
      pointer-events: none;
      opacity: .26;
      background-image:
        radial-gradient(circle at 14% 20%, rgba(255,255,255,.22) 0 1px, transparent 1px),
        radial-gradient(circle at 80% 76%, rgba(255,255,255,.18) 0 1px, transparent 1px),
        radial-gradient(circle at 48% 42%, rgba(255,255,255,.14) 0 1px, transparent 1px);
      background-size: 42px 42px, 57px 57px, 33px 33px;
      mix-blend-mode: screen;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    button,
    input,
    textarea {
      font: inherit;
    }

    .preloader {
      position: fixed;
      inset: 0;
      z-index: 100;
      display: grid;
      place-items: center;
      padding: 24px;
      background: rgba(2, 3, 5, .8);
      backdrop-filter: blur(16px);
      transition: opacity .55s var(--ease), visibility .55s var(--ease);
      animation: preloaderExit .45s var(--ease) 1.45s forwards;
    }

    .preloader.is-hidden {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
    }

    .preloader-card {
      width: min(390px, 100%);
      min-height: 255px;
      display: grid;
      place-items: center;
      padding: 42px 30px;
      border: 1px solid var(--border);
      border-radius: 22px;
      background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.025));
      box-shadow: 0 30px 90px rgba(0,0,0,.58), 0 0 45px rgba(255,77,94,.15);
    }

    .loader-logo,
    .brand {
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    .loader-logo {
      font-size: 3.15rem;
    }

    .brand {
      font-size: 1.92rem;
    }

    .brand span,
    .loader-logo span {
      color: var(--accent);
      text-shadow: 0 0 22px rgba(255, 77, 94, .5);
    }

    .preloader-text {
      margin: 14px 0 20px;
      color: var(--muted-2);
      font-size: 1.1rem;
    }

    .spinner {
      width: 54px;
      height: 54px;
      border-radius: 50%;
      border: 5px solid rgba(255,255,255,.08);
      border-top-color: var(--accent);
      border-right-color: var(--accent);
      filter: drop-shadow(0 0 14px rgba(255,77,94,.68));
      animation: spin .85s linear infinite;
    }

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

    @keyframes preloaderExit {
      to {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
      }
    }

    .sidebar {
      position: fixed;
      inset: 0 auto 0 0;
      z-index: 20;
      width: var(--sidebar);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 42px;
      padding: 52px 34px 46px;
      border-right: 1px solid var(--border);
      background: rgba(5, 6, 7, .74);
      backdrop-filter: blur(20px);
    }

    .side-nav {
      position: relative;
      display: grid;
      gap: 34px;
      margin: auto 0;
      padding-left: 22px;
    }

    .side-nav::before {
      content: "";
      position: absolute;
      left: 7px;
      top: 15px;
      bottom: 15px;
      width: 1px;
      background: linear-gradient(to bottom, rgba(255,77,94,.5), rgba(255,255,255,.16));
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      border: 0;
      background: transparent;
      color: rgba(255,255,255,.58);
      cursor: pointer;
      padding: 0;
      transition: color .25s var(--ease);
    }

    .nav-link::before {
      content: "";
      position: absolute;
      left: -22px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: #66707b;
      box-shadow: 0 0 0 4px rgba(255,255,255,.02);
      transition: background .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
    }

    .nav-link.active {
      color: var(--accent-2);
    }

    .nav-link.active::before {
      background: var(--accent);
      transform: scale(1.08);
      box-shadow: 0 0 0 5px rgba(255,77,94,.12), 0 0 22px rgba(255,77,94,.9);
    }

    .lang-switch {
      display: flex;
      align-items: center;
      gap: 7px;
      color: var(--muted);
      font-weight: 700;
    }

    .lang-switch button {
      border: 0;
      padding: 0;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      font-weight: 800;
      transition: color .2s var(--ease);
    }

    .lang-switch button.active {
      color: var(--accent);
    }

    .main {
      margin-left: var(--sidebar);
      position: relative;
      min-height: 100svh;
      overflow: hidden;
    }

    .section {
      position: absolute;
      inset: 0;
      display: none;
      align-items: flex-start;
      min-height: 100svh;
      overflow-y: auto;
      padding: 92px clamp(28px, 5vw, 76px) 150px;
      border-bottom: 1px solid rgba(255,255,255,.05);
      scroll-margin-top: 10px;
    }

    .section.active-section {
      display: flex;
      animation: sectionIn .42s var(--ease) both;
    }

    @keyframes sectionIn {
      from {
        opacity: 0;
        transform: translateY(16px);
      }

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

    .section-inner {
      width: min(1420px, 100%);
      margin: 0 auto;
    }

    .hero {
      align-items: center;
      padding-top: 68px;
      overflow: hidden;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(620px, .92fr) minmax(420px, .78fr);
      gap: clamp(26px, 5vw, 70px);
      align-items: start;
    }

    .eyebrow {
      margin: 0 0 16px;
      color: var(--accent-2);
      font-size: .82rem;
      font-weight: 800;
      letter-spacing: .12em;
      text-transform: uppercase;
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      margin-bottom: 22px;
      max-width: 760px;
      font-size: 5rem;
      line-height: .96;
      letter-spacing: 0;
      white-space: pre-line;
      text-wrap: balance;
      text-shadow: 0 20px 70px rgba(0,0,0,.55);
    }

    .hero-copy {
      max-width: 490px;
      margin-bottom: 28px;
      color: var(--muted-2);
      font-size: 1.12rem;
    }

    .button {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      min-height: 54px;
      padding: 0 34px;
      border: 1px solid var(--accent);
      border-radius: 8px;
      background: linear-gradient(135deg, rgba(255,77,94,.11), rgba(255,255,255,.025));
      color: var(--text);
      cursor: pointer;
      box-shadow: 0 0 22px rgba(255,77,94,.12);
      transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
    }

    .button:hover {
      transform: translateY(-2px);
      border-color: var(--accent-2);
      box-shadow: 0 0 30px rgba(255,77,94,.28);
    }

    .arrow {
      font-size: 1.45rem;
      line-height: 1;
    }

    .tech-art {
      position: relative;
      min-height: 380px;
      transform: translateY(-10px);
    }

    .tech-art::before {
      content: "";
      position: absolute;
      inset: 9% 8% 13% 7%;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(255,77,94,.28), transparent 60%);
      filter: blur(24px);
      opacity: .8;
    }

    .wire {
      position: absolute;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255,77,94,.7), transparent);
      opacity: .5;
      transform-origin: left center;
    }

    .wire.one { width: 72%; top: 27%; left: 9%; transform: rotate(-18deg); }
    .wire.two { width: 66%; top: 56%; left: 19%; transform: rotate(14deg); }
    .wire.three { width: 52%; top: 75%; left: 5%; transform: rotate(-8deg); }

    .code-card,
    .cube {
      position: absolute;
      border: 1px solid rgba(255,138,150,.28);
      background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.018));
      box-shadow: 0 24px 60px rgba(0,0,0,.34), inset 0 0 28px rgba(255,77,94,.035);
      backdrop-filter: blur(8px);
    }

    .code-card {
      right: 6%;
      top: 24%;
      width: min(340px, 52%);
      min-height: 250px;
      padding: 30px;
      border-radius: 10px;
      color: var(--accent-2);
      font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
      font-size: .95rem;
      line-height: 1.72;
      transform: perspective(780px) rotateY(-11deg) rotateX(2deg);
    }

    .code-card span {
      color: rgba(255,255,255,.66);
    }

    .cube {
      width: 120px;
      height: 120px;
      display: grid;
      place-items: center;
      color: rgba(255,255,255,.76);
      font-size: 2rem;
    }

    .cube.big {
      right: 35%;
      top: 7%;
      width: 138px;
      height: 138px;
      transform: perspective(650px) rotateY(28deg) rotateX(14deg);
    }

    .cube.mid {
      left: 14%;
      top: 35%;
      border-radius: 9px;
      transform: perspective(650px) rotateY(-22deg) rotateX(12deg);
    }

    .cube.small {
      right: 12%;
      bottom: 1%;
      width: 92px;
      height: 92px;
      border-radius: 8px;
      transform: perspective(650px) rotateY(18deg) rotateX(-8deg);
    }

    .services {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 16px;
      margin-top: 42px;
    }

    .card {
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: linear-gradient(145deg, var(--card), rgba(255,255,255,.018));
      box-shadow: var(--shadow);
      transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
    }

    .card:hover {
      transform: translateY(-6px);
      border-color: rgba(255,77,94,.5);
      background: linear-gradient(145deg, var(--card-strong), rgba(255,77,94,.04));
      box-shadow: 0 26px 80px rgba(0,0,0,.48), 0 0 28px rgba(255,77,94,.12);
    }

    .service-card {
      min-height: 190px;
      display: flex;
      flex-direction: column;
      padding: 24px 26px 22px;
    }

    .icon {
      width: 46px;
      height: 46px;
      margin-bottom: 18px;
      color: var(--accent);
      filter: drop-shadow(0 0 10px rgba(255,77,94,.45));
    }

    .service-card h3,
    .feature-card h3,
    .project-card h3 {
      margin-bottom: 8px;
      font-size: 1.25rem;
      line-height: 1.25;
      letter-spacing: 0;
    }

    .service-card p,
    .feature-card p,
    .project-card p,
    .price-note,
    .contact-copy {
      color: var(--muted);
    }

    .service-card .mini-arrow {
      margin: auto 0 0 auto;
      color: var(--accent);
      font-size: 1.7rem;
    }

    .metrics {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 0;
      margin-top: 20px;
      overflow: hidden;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: rgba(255,255,255,.035);
      box-shadow: var(--shadow);
    }

    .metric {
      display: flex;
      align-items: center;
      gap: 18px;
      min-height: 88px;
      padding: 16px 24px;
      border-right: 1px solid var(--border);
    }

    .metric:last-child {
      border-right: 0;
    }

    .metric svg {
      flex: 0 0 44px;
      width: 44px;
      height: 44px;
      color: var(--accent);
    }

    .metric strong {
      display: block;
      font-size: 1.7rem;
      line-height: 1.05;
    }

    .metric span {
      color: var(--muted);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .8fr) minmax(280px, .7fr);
      gap: 34px;
      align-items: end;
      margin-bottom: 34px;
    }

    h2 {
      margin-bottom: 0;
      font-size: 4.4rem;
      line-height: 1;
      letter-spacing: 0;
    }

    .lead {
      max-width: 720px;
      margin: 0;
      color: var(--muted-2);
      font-size: 1.08rem;
    }

    .features {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .feature-card {
      padding: 28px;
      min-height: 180px;
    }

    .feature-card .dot {
      width: 11px;
      height: 11px;
      margin-bottom: 30px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 22px rgba(255,77,94,.8);
    }

    .projects {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .project-card {
      overflow: hidden;
    }

    .project-preview {
      position: relative;
      height: 178px;
      margin: 14px;
      border: 1px solid rgba(255,255,255,.07);
      border-radius: 16px;
      background:
        linear-gradient(135deg, rgba(255,77,94,.15), transparent 46%),
        rgba(255,255,255,.035);
      overflow: hidden;
    }

    .project-preview::before,
    .project-preview::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      background: rgba(255,77,94,.38);
      filter: blur(22px);
    }

    .project-preview::before {
      width: 110px;
      height: 110px;
      right: -28px;
      top: -22px;
    }

    .project-preview::after {
      width: 90px;
      height: 90px;
      left: -26px;
      bottom: -30px;
      opacity: .55;
    }

    .mock-window {
      position: absolute;
      inset: 24px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 12px;
      background: rgba(3,5,8,.46);
    }

    .mock-line {
      position: absolute;
      left: 18px;
      right: 18px;
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,.12);
    }

    .mock-line.one { top: 34px; width: 44%; }
    .mock-line.two { top: 58px; width: 72%; }
    .mock-line.three { top: 84px; width: 55%; background: rgba(255,77,94,.5); }

    .project-card h3,
    .project-card p {
      padding: 0 26px;
    }

    .project-card p {
      margin-bottom: 28px;
    }

    .pricing {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 16px;
    }

    .price-card {
      padding: 26px;
    }

    .price-card span {
      display: block;
      margin-bottom: 22px;
      color: var(--muted);
      font-size: .95rem;
    }

    .price-card strong {
      font-size: 1.6rem;
      letter-spacing: 0;
    }

    .pricing-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      margin-top: 26px;
      padding: 24px 26px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: rgba(255,255,255,.032);
    }

    .contact-layout {
      display: grid;
      grid-template-columns: minmax(280px, .75fr) minmax(360px, 1fr);
      gap: 28px;
      align-items: stretch;
    }

    .contact-panel,
    .form {
      padding: 30px;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-top: 18px;
      color: var(--muted-2);
    }

    .contact-item svg {
      width: 24px;
      height: 24px;
      color: var(--accent);
    }

    .form {
      display: grid;
      gap: 14px;
    }

    .field {
      width: 100%;
      border: 1px solid var(--border);
      border-radius: 14px;
      outline: none;
      background: rgba(255,255,255,.04);
      color: var(--text);
      padding: 17px 18px;
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
    }

    .field:focus {
      border-color: rgba(255,77,94,.58);
      box-shadow: 0 0 0 4px rgba(255,77,94,.1);
    }

    textarea.field {
      min-height: 132px;
      resize: vertical;
    }

    .toast {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 60;
      max-width: min(360px, calc(100vw - 48px));
      padding: 16px 18px;
      border: 1px solid rgba(255,77,94,.36);
      border-radius: 14px;
      background: rgba(10,13,18,.92);
      color: var(--text);
      box-shadow: 0 18px 60px rgba(0,0,0,.46), 0 0 22px rgba(255,77,94,.18);
      transform: translateY(18px);
      opacity: 0;
      pointer-events: none;
      transition: opacity .25s var(--ease), transform .25s var(--ease);
    }

    .toast.show {
      opacity: 1;
      transform: translateY(0);
    }

    .footer {
      position: fixed;
      left: var(--sidebar);
      right: 0;
      bottom: 0;
      z-index: 18;
      display: grid;
      grid-template-columns: 1fr 1.2fr 1fr 1fr 1.3fr;
      gap: 24px;
      align-items: center;
      padding: 30px clamp(28px, 5vw, 76px);
      border-top: 1px solid var(--border);
      background: rgba(7, 9, 12, .7);
      color: var(--muted);
      backdrop-filter: blur(18px);
    }

    .footer .brand {
      font-size: 1.55rem;
      color: var(--text);
    }

    .footer-contact {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      white-space: nowrap;
    }

    .footer-contact svg {
      width: 22px;
      height: 22px;
    }

    [data-reveal] {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity .7s var(--ease), transform .7s var(--ease);
    }

    [data-reveal].is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    .hero [data-reveal]:nth-child(2) { transition-delay: .08s; }
    .hero [data-reveal]:nth-child(3) { transition-delay: .16s; }

    @media (max-width: 1280px) {
      h1 {
        font-size: 4.7rem;
      }

      .hero-grid {
        grid-template-columns: 1fr;
      }

      .tech-art {
        position: absolute;
        inset: 40px 20px auto auto;
        width: min(520px, 48vw);
        opacity: .62;
        pointer-events: none;
      }

      .services,
      .pricing {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .metrics,
      .projects,
      .features {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .metric {
        border-bottom: 1px solid var(--border);
      }
    }

    @media (max-width: 920px) {
      :root {
        --sidebar: 0px;
      }

      body {
        overflow-y: auto;
      }

      .sidebar {
        inset: 0 0 auto 0;
        width: auto;
        height: 78px;
        flex-direction: row;
        align-items: center;
        padding: 16px 20px;
        border-right: 0;
        border-bottom: 1px solid var(--border);
      }

      .brand {
        font-size: 1.45rem;
      }

      h1 {
        font-size: 4rem;
      }

      h2 {
        font-size: 3.2rem;
      }

      .side-nav {
        position: fixed;
        left: 50%;
        bottom: 16px;
        z-index: 30;
        transform: translateX(-50%);
        display: flex;
        gap: 16px;
        margin: 0;
        padding: 12px 16px;
        border: 1px solid var(--border);
        border-radius: 999px;
        background: rgba(7,9,12,.82);
        box-shadow: 0 20px 70px rgba(0,0,0,.42);
        backdrop-filter: blur(18px);
      }

      .side-nav::before {
        display: none;
      }

      .nav-link {
        width: 16px;
        height: 16px;
        min-height: 16px;
        color: transparent;
        font-size: 0;
      }

      .nav-link::before {
        left: 1px;
        width: 14px;
        height: 14px;
      }

      .lang-switch {
        margin-left: auto;
      }

      .main {
        margin-left: 0;
        min-height: auto;
        overflow: visible;
      }

      .section {
        position: relative;
        inset: auto;
        min-height: auto;
        overflow: visible;
        padding: 108px 20px 190px;
      }

      .hero {
        padding-top: 118px;
      }

      .section-head,
      .contact-layout {
        grid-template-columns: 1fr;
      }

      .footer {
        position: relative;
        right: auto;
        bottom: auto;
        left: 0;
        grid-template-columns: 1fr 1fr;
        padding: 32px 20px 96px;
      }
    }

    @media (max-width: 680px) {
      .section-inner {
        max-width: 300px;
      }

      .loader-logo {
        font-size: 2.3rem;
      }

      h1 {
        font-size: 2rem;
      }

      h2 {
        font-size: 2.35rem;
      }

      .tech-art {
        width: 88vw;
        right: -38vw;
        top: 56px;
        opacity: .36;
      }

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

      .metric {
        border-right: 0;
      }

      .pricing-bottom {
        align-items: flex-start;
        flex-direction: column;
      }

      .button {
        width: 100%;
      }

      .footer {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 380px) {
      h1 {
        font-size: 1.9rem;
      }
    }