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

      html {
        scroll-behavior: smooth;
      }

      body {
        font-family: "Montserrat", sans-serif;
        background: #05070b;
        color: #fff;
        overflow-x: hidden;
      }

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

      .container {
        width: min(1200px, calc(100% - 40px));
        margin: 0 auto;
      }

      header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 100;
        backdrop-filter: blur(10px);
        background: rgba(5, 7, 11, 0.75);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      }

      .header-inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 0;
      }

      .logo {
        display: flex;
        align-items: center;
        gap: 14px;
      }

      .logo-mark {
        position: relative;
        width: 52px;
        height: 52px;
        border-radius: 16px;
        background: linear-gradient(135deg, #1f2937, #09090b);
        border: 1px solid rgba(255, 255, 255, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 900;
        font-size: 18px;
        letter-spacing: -1px;
        text-shadow: 0 2px 12px rgba(255, 255, 255, 0.15);
        color: #dbeafe;
        box-shadow: 0 0 25px rgba(59, 130, 246, 0.25);
      }

      .logo h2 {
        font-size: 18px;
        font-weight: 800;
      }

      .logo p {
        color: #94a3b8;
        font-size: 13px;
        margin-top: 3px;
      }

      nav {
        display: flex;
        gap: 34px;
      }

      nav a {
        color: #d4d4d8;
        transition: 0.3s;
        font-size: 15px;
      }

      nav a:hover {
        color: #60a5fa;
      }

      .phone {
        text-align: right;
      }

      .phone strong {
        display: block;
        font-size: 20px;
      }

      .phone span {
        color: #94a3b8;
        font-size: 13px;
      }

      .hero {
        min-height: 100vh;
        display: flex;
        align-items: center;
        position: relative;
        overflow: hidden;
        padding-top: 120px;
      }

      .hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background:
          radial-gradient(
            circle at top,
            rgba(37, 99, 235, 0.25),
            transparent 40%
          ),
          linear-gradient(120deg, #05070b 10%, #0f172a 50%, #05070b 90%);
      }

      .hero-grid {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
        gap: clamp(28px, 4vw, 58px);
        align-items: stretch;
        min-height: calc(100vh - 138px);
      }

      .hero-copy {
        position: relative;
        z-index: 5;
        align-self: center;
        max-width: 640px;
        padding: clamp(24px, 4vh, 48px) 0 clamp(30px, 4vh, 50px);
      }

      .hero-tag {
        display: inline-flex;
        padding: 12px 18px;
        border-radius: 999px;
        border: 1px solid rgba(59, 130, 246, 0.25);
        background: rgba(59, 130, 246, 0.12);
        color: #93c5fd;
        margin-bottom: 28px;
        font-size: 14px;
      }

      .hero h1 {
        font-size: clamp(54px, 8vw, 110px);
        line-height: 0.9;
        text-transform: uppercase;
        font-weight: 900;
        letter-spacing: -3px;
      }

      .hero p {
        max-width: 620px;
        color: #cbd5e1;
        font-size: 20px;
        line-height: 1.7;
        margin-top: 36px;
      }

      .hero-buttons {
        display: flex;
        gap: 18px;
        margin-top: 42px;
        flex-wrap: wrap;
      }

      .btn {
        padding: 18px 34px;
        border-radius: 20px;
        font-weight: 700;
        transition: 0.3s;
        border: none;
        cursor: pointer;
        font-size: 16px;
      }

      .btn-primary {
        background: linear-gradient(135deg, #2563eb, #1d4ed8);
        color: white;
        box-shadow: 0 0 40px rgba(37, 99, 235, 0.35);
      }

      .btn-primary:hover {
        transform: translateY(-2px);
      }

      .btn-secondary {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        color: white;
      }

      .hero-visual {
        --hero-edge: max(20px, calc((100vw - 1200px) / 2));
        position: relative;
        z-index: 1;
        align-self: stretch;
        min-height: calc(100vh - 138px);
        width: calc(100% + var(--hero-edge));
        height: auto;
        margin-right: calc(var(--hero-edge) * -1);
        overflow: visible;
        isolation: isolate;
        pointer-events: none;
      }

      .hero-visual::before {
        content: "";
        position: absolute;
        inset: 0 0 0 -76%;
        z-index: 3;
        pointer-events: none;
        background:
          linear-gradient(
            90deg,
            rgba(5, 7, 11, 0.14) 0%,
            rgba(5, 7, 11, 0.7) 36%,
            rgba(5, 7, 11, 0.68) 56%,
            rgba(5, 7, 11, 0.28) 78%,
            rgba(5, 7, 11, 0.04) 92%,
            transparent 100%
          ),
          linear-gradient(
            180deg,
            rgba(5, 7, 11, 0.22) 0%,
            transparent 30%,
            transparent 70%,
            rgba(5, 7, 11, 0.58) 100%
          );
      }

      .hero-visual::after {
        content: "";
        position: absolute;
        right: 7%;
        bottom: 8%;
        z-index: 2;
        width: 44%;
        aspect-ratio: 1;
        pointer-events: none;
        background: radial-gradient(
          circle,
          rgba(191, 219, 254, 0.42),
          rgba(96, 165, 250, 0.18) 24%,
          rgba(37, 99, 235, 0.07) 45%,
          transparent 72%
        );
        filter: blur(16px);
        mix-blend-mode: screen;
      }

      .hero-scene {
        position: absolute;
        inset: 0 0 0 -24%;
        z-index: 1;
        background:
          linear-gradient(180deg, rgba(5, 7, 11, 0.04), rgba(5, 7, 11, 0.16)),
          url("../hero-andrey-welding.jpg") center bottom / cover no-repeat;
        filter: saturate(1.04) contrast(1.04);
        -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.18) 8%, #000 22%, #000 100%);
        mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.18) 8%, #000 22%, #000 100%);
      }

      .hero-spark {
        position: absolute;
        z-index: 4;
        display: block;
        height: 2px;
        pointer-events: none;
        background: linear-gradient(90deg, transparent, rgba(249, 115, 22, 0.95), transparent);
        filter: drop-shadow(0 0 7px rgba(249, 115, 22, 0.62));
        opacity: 0.55;
        transform-origin: right center;
      }

      .hero-spark-1 {
        left: -4%;
        bottom: 28%;
        width: 132px;
        transform: rotate(13deg);
      }

      .hero-spark-2 {
        left: 10%;
        bottom: 42%;
        width: 86px;
        transform: rotate(-18deg);
        opacity: 0.42;
      }

      .hero-spark-3 {
        right: 20%;
        bottom: 18%;
        width: 116px;
        transform: rotate(9deg);
        opacity: 0.5;
      }

      .hero-maker-plate {
        position: absolute;
        right: clamp(24px, 4.4vw, 62px);
        bottom: clamp(30px, 6vh, 58px);
        z-index: 5;
        width: clamp(116px, 9vw, 142px);
        padding: 9px 12px 8px;
        border: 1px solid rgba(226, 232, 240, 0.28);
        border-radius: 7px;
        background:
          radial-gradient(circle at 11px 11px, #f8fafc 0 2px, #52525b 3px, transparent 4px),
          radial-gradient(circle at calc(100% - 11px) 11px, #f8fafc 0 2px, #52525b 3px, transparent 4px),
          radial-gradient(circle at 11px calc(100% - 11px), #f8fafc 0 2px, #52525b 3px, transparent 4px),
          radial-gradient(circle at calc(100% - 11px) calc(100% - 11px), #f8fafc 0 2px, #52525b 3px, transparent 4px),
          linear-gradient(145deg, rgba(30, 34, 42, 0.92), rgba(8, 10, 14, 0.94));
        box-shadow:
          0 18px 36px rgba(0, 0, 0, 0.46),
          inset 0 1px 0 rgba(255, 255, 255, 0.16);
        color: #e5e7eb;
        text-align: center;
        text-transform: uppercase;
        transform: rotate(-1deg);
      }

      .hero-maker-plate span,
      .hero-maker-plate strong {
        display: block;
        position: relative;
        z-index: 1;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.75);
      }

      .hero-maker-plate span {
        font-size: clamp(24px, 2.2vw, 30px);
        line-height: 0.9;
        font-weight: 900;
      }

      .hero-maker-plate strong {
        margin-top: 4px;
        font-size: 9px;
        line-height: 1.2;
        color: #cbd5e1;
      }

      section {
        padding: 120px 0;
      }

      .section-title {
        text-align: center;
        margin-bottom: 70px;
      }

      .section-title span {
        color: #60a5fa;
        text-transform: uppercase;
        letter-spacing: 6px;
        font-size: 13px;
      }

      .section-title h2 {
        margin-top: 18px;
        font-size: clamp(38px, 5vw, 64px);
        text-transform: uppercase;
        font-weight: 900;
      }

      .services-grid,
      .works-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 28px;
      }

      .card {
        background: linear-gradient(to bottom, #18181b, #09090b);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 32px;
        overflow: hidden;
        transition: 0.3s;
      }

      .card:hover {
        transform: translateY(-6px);
        border-color: rgba(59, 130, 246, 0.35);
      }

      .card-image {
        height: 240px;
        background:
          radial-gradient(
            circle at top,
            rgba(59, 130, 246, 0.18),
            transparent 45%
          ),
          linear-gradient(135deg, #18181b, #09090b);
      }

      .card-content {
        padding: 28px;
      }

      .card-content h3 {
        font-size: 24px;
        margin-bottom: 12px;
      }

      .card-content p {
        color: #94a3b8;
        line-height: 1.7;
      }

      .about-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
      }

      .about-box {
        background: linear-gradient(135deg, #18181b, #09090b);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 36px;
        padding: 50px;
        position: relative;
        overflow: hidden;
      }

      .about-box h3 {
        font-size: 42px;
        margin: 18px 0;
      }

      .about-box p {
        color: #cbd5e1;
        line-height: 1.8;
      }

      .stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
        margin-top: 40px;
      }

      .stat {
        padding: 24px;
        border-radius: 24px;
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        text-align: center;
      }

      .stat strong {
        display: block;
        color: #60a5fa;
        font-size: 42px;
        font-weight: 900;
      }

      .contact-box {
        background: linear-gradient(135deg, #111827, #020617);
        border: 1px solid rgba(59, 130, 246, 0.2);
        border-radius: 42px;
        padding: 70px;
        position: relative;
        overflow: hidden;
      }

      .contact-box::before {
        content: "";
        position: absolute;
        right: -200px;
        top: -200px;
        width: 500px;
        height: 500px;
        background: radial-gradient(
          circle,
          rgba(59, 130, 246, 0.18),
          transparent 60%
        );
      }

      .contact-content {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 40px;
        align-items: center;
      }

      .contact-content h2 {
        font-size: clamp(38px, 5vw, 68px);
        text-transform: uppercase;
        font-weight: 900;
        margin-top: 16px;
      }

      footer {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding: 36px 20px;
        text-align: center;
        color: #64748b;
      }

      .card-image {
        height: 240px;
        overflow: hidden;
        position: relative;
        border-radius: 24px 24px 0 0;
      }

      .card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
      }

      .contact-form {
        display: flex;
        flex-direction: column;
        gap: 16px;
        min-width: 320px;
      }

      .contact-form input,
      .contact-form textarea {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 16px;
        padding: 18px 20px;
        color: white;
        font-size: 15px;
        outline: none;
        font-family: inherit;
      }

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

      .contact-form input:focus,
      .contact-form textarea:focus {
        border-color: #3b82f6;
      }

      .ticker {
        position: fixed;
        top: 93px;
        left: 0;
        width: 100%;
        overflow: hidden;
        z-index: 90;

        background: rgba(15, 23, 42, 0.92);

        border-top: 1px solid rgba(255, 255, 255, 0.06);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);

        backdrop-filter: blur(10px);
      }

      .ticker-track {
        display: flex;
        width: max-content;

        animation: ticker 28s linear infinite;
      }

      .ticker span {
        display: flex;
        align-items: center;

        gap: 32px;

        padding: 14px 32px;

        color: #60a5fa;

        font-size: 13px;

        letter-spacing: 4px;

        font-weight: 700;

        text-transform: uppercase;
      }

      @keyframes ticker {
        from {
          transform: translateX(0);
        }

        to {
          transform: translateX(-50%);
        }
      }
      #toTop {
        position: fixed;

        right: 24px;
        bottom: 24px;

        width: 56px;
        height: 56px;

        border: none;
        border-radius: 18px;

        background: linear-gradient(135deg, #2563eb, #1d4ed8);

        color: white;

        font-size: 24px;
        font-weight: 700;

        cursor: pointer;

        display: flex;
        align-items: center;
        justify-content: center;

        box-shadow: 0 0 30px rgba(37, 99, 235, 0.35);

        opacity: 0;
        visibility: hidden;

        transition: 0.3s;

        z-index: 999;
      }

      #toTop.show {
        opacity: 1;
        visibility: visible;
      }

      #toTop:hover {
        transform: translateY(-4px);
      }

      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }
.burger {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 34px;
  cursor: pointer;
  z-index: 200;
}

@media (max-width: 980px) {

  .burger {
    display: block;
  }

  nav {
    position: fixed;
    top: 93px;
    left: 0;
    width: 100%;

    background: #05070b;

    flex-direction: column;
    align-items: center;

    gap: 24px;

    padding: 40px 20px;

    display: none;
  }

  nav.active {
    display: flex;
  }
}
      @media (max-width: 980px) {
        nav,
        .phone {
          display: none;
        }

        .hero-grid,
        .about-grid,
        .contact-content {
          grid-template-columns: 1fr;
        }

        .hero-copy {
          padding-bottom: 48px;
        }

        .hero-visual {
          --hero-edge: 0px;
          width: 100%;
          min-height: 0;
          height: 430px;
          margin-right: 0;
          overflow: hidden;
        }

        .hero-scene {
          background-position: center bottom;
          -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 11%, #000 100%);
          mask-image: linear-gradient(180deg, transparent 0%, #000 11%, #000 100%);
        }

        .hero-spark {
          display: none;
        }

        .hero-maker-plate {
          right: 18px;
          bottom: 18px;
          width: 132px;
          padding: 9px 12px 8px;
        }

        .hero-maker-plate span {
          font-size: 25px;
        }

        .hero-maker-plate strong {
          font-size: 9px;
        }

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

        .contact-box {
          padding: 50px 30px;
        }
      }
    

/* Service information and accessible navigation */
section[id] { scroll-margin-top: 155px; }
.text-link { display: inline-block; color: #93c5fd; margin-top: 18px; line-height: 1.6; font-weight: 600; }
.text-link:hover, .inline-link:hover { text-decoration: underline; }
.inline-link { color: #93c5fd; text-decoration: underline; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #93c5fd; outline-offset: 5px; }
.eyebrow { color: #93c5fd; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; }
.information-section { background: #090e18; }
.information-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.information-grid h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.2; margin: 16px 0 24px; }
.information-grid h3 { font-size: 24px; margin-bottom: 20px; }
.information-grid p, .information-grid li { color: #cbd5e1; line-height: 1.8; }
.information-grid p + p { margin-top: 16px; }
.information-grid ul, .information-grid ol { padding-left: 22px; margin: 16px 0 24px; }
.information-grid li + li { margin-top: 12px; }
.information-panel { padding: 32px; border: 1px solid #26364d; background: #101827; border-radius: 24px; }
.section-intro { max-width: 760px; margin: 24px auto 0; color: #cbd5e1; line-height: 1.8; }
.faq-container { max-width: 960px; }
.faq-list details { border-bottom: 1px solid #26364d; padding: 24px 0; }
.faq-list summary { font-size: 19px; line-height: 1.5; font-weight: 600; cursor: pointer; color: #e2e8f0; }
.faq-list details[open] summary { color: #93c5fd; }
.faq-list p { color: #cbd5e1; line-height: 1.8; padding: 18px 0 0; }
.contact-details { margin-top: 24px; line-height: 1.8; color: #cbd5e1; }
.service-main { padding-top: 135px; }
.breadcrumbs { color: #94a3b8; margin-bottom: 32px; line-height: 1.7; }
.breadcrumbs a { color: #93c5fd; }
.service-intro { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.service-intro h1 { font-size: clamp(34px, 4.3vw, 60px); line-height: 1.12; margin: 22px 0; overflow-wrap: anywhere; }
.service-intro p { color: #cbd5e1; line-height: 1.8; }
.service-intro img { display: block; width: 100%; height: auto; border-radius: 24px; }
.service-intro figcaption { color: #94a3b8; line-height: 1.6; margin-top: 12px; font-size: 13px; }
.service-details { padding: 72px 0; }
.service-details h2:not(:first-child) { margin-top: 36px; }
.related-services { padding: 0 0 80px; }
.related-services h2 { font-size: 28px; margin-bottom: 24px; }
.related-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.related-link { border: 1px solid #26364d; border-radius: 14px; padding: 16px 20px; color: #93c5fd; }
@media (min-width: 981px) { nav { gap: 16px; } .logo p { max-width: 245px; } .phone strong { white-space: nowrap; font-size: 18px; } }
@media (max-width: 980px) {
  .information-grid, .service-intro { grid-template-columns: 1fr; gap: 28px; }
  .service-main { padding-top: 120px; }
}
@media (max-width: 600px) {
  section { padding: 64px 0; }
  .section-title { margin-bottom: 36px; }
  .section-title h2 { font-size: 30px; overflow-wrap: anywhere; }
  .section-title span { letter-spacing: 2px; }
  .logo p { max-width: 220px; font-size: 11px; }
  .logo-mark { flex-shrink: 0; width: 40px; height: 40px; }
  .logo { gap: 9px; }
  .logo h2 { font-size: 16px; }
  .hero h1 { font-size: clamp(38px, 10.8vw, 64px); letter-spacing: -1.5px; }
  .hero p { font-size: 17px; }
  .about-box, .information-panel { padding: 24px; }
  .about-box h3 { font-size: 30px; }
  .contact-box { padding: 30px 20px; border-radius: 24px; }
  .contact-content h2 { font-size: 30px; }
  .contact-content { gap: 24px; min-width: 0; }
  .contact-form { min-width: 0; width: 100%; }
  .contact-form input, .contact-form textarea { width: 100%; min-width: 0; }
  .services-grid, .works-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-buttons { gap: 12px; }
  .btn { padding: 16px 22px; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation: none; }
  *, *::before, *::after { transition: none !important; }
}