:root {
      color-scheme: light;
      --ink: #14283a;
      --muted: #617181;
      --navy: #102033;
      --teal: #35cbbb;
      --teal-dark: #087f78;
      --paper: #f5f8f8;
      --line: #dce5e7;
      --warm: #fff6e7;
      --radius: 22px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: #ffffff;
      color: var(--ink);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
        "Segoe UI", Arial, sans-serif;
      line-height: 1.65;
    }

    img {
      display: block;
      max-width: 100%;
      height: auto;
    }

    a {
      color: inherit;
    }

    a:focus-visible,
    summary:focus-visible {
      outline: 3px solid #178f88;
      outline-offset: 4px;
    }

    .skip-link {
      position: absolute;
      z-index: 20;
      top: 8px;
      left: 8px;
      padding: 10px 14px;
      transform: translateY(-150%);
      border-radius: 8px;
      background: var(--navy);
      color: #ffffff;
    }

    .skip-link:focus {
      transform: translateY(0);
    }

    .container {
      width: min(1160px, calc(100% - 40px));
      margin-inline: auto;
    }

    .eyebrow {
      display: inline-block;
      color: var(--teal-dark);
      font-size: 0.72rem;
      font-weight: 800;
      letter-spacing: 0.15em;
      line-height: 1.3;
      text-transform: uppercase;
    }

    .hero {
      overflow: hidden;
      padding: 64px 0 34px;
      background:
        radial-gradient(ellipse at 85% 12%, rgba(141, 225, 220, 0.25), transparent 34%),
        linear-gradient(180deg, #f5fafb 0%, #ffffff 100%);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
      align-items: center;
      gap: clamp(28px, 5vw, 58px);
    }

    .hero h1 {
      max-width: 620px;
      margin: 14px 0 17px;
      font-size: clamp(2.5rem, 5.5vw, 4.45rem);
      line-height: 1.02;
      letter-spacing: -0.055em;
    }

    .hero-copy > p {
      max-width: 560px;
      color: #526879;
      font-size: clamp(1rem, 1.5vw, 1.13rem);
    }

    .hero-points {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin: 23px 0 26px;
      padding: 0;
      list-style: none;
    }

    .hero-points li {
      padding: 8px 12px;
      border: 1px solid #d5e8e7;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.8);
      color: #28545b;
      font-size: 0.76rem;
      font-weight: 750;
    }

    .actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .button {
      display: inline-flex;
      min-height: 46px;
      align-items: center;
      justify-content: center;
      padding: 12px 18px;
      border: 1px solid transparent;
      border-radius: 999px;
      background: var(--teal);
      color: #092b31;
      font-size: 0.85rem;
      font-weight: 800;
      text-decoration: none;
      transition: transform 160ms ease, background 160ms ease;
    }

    .button:hover {
      transform: translateY(-2px);
      background: #58ddcf;
    }

    .button-dark {
      background: var(--navy);
      color: #ffffff;
    }

    .button-dark:hover {
      background: #203951;
    }

    .hero-figure {
      margin: 0;
      padding: 12px;
      border: 1px solid rgba(255, 255, 255, 0.92);
      border-radius: 26px;
      background: #ffffff;
      box-shadow: 0 22px 60px rgba(19, 50, 67, 0.12);
    }

    .hero-figure img {
      width: 100%;
      aspect-ratio: 4 / 3;
      border-radius: 17px;
      background: #edf4f5;
      object-fit: contain;
    }

    figcaption {
      padding: 11px 5px 2px;
      color: #657985;
      font-size: 0.75rem;
      line-height: 1.5;
    }

    .feature-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1px;
      margin-top: 38px;
      border: 1px solid #e2ebec;
      border-radius: 16px;
      overflow: hidden;
      background: #e2ebec;
    }

    .feature {
      min-height: 88px;
      padding: 17px 19px;
      background: rgba(255, 255, 255, 0.94);
    }

    .feature strong {
      display: block;
      font-size: 1rem;
      line-height: 1.3;
    }

    .feature span {
      display: block;
      margin-top: 4px;
      color: #71828c;
      font-size: 0.75rem;
    }

    .section {
      padding: 78px 0;
    }

    .section-heading {
      max-width: 720px;
      margin-bottom: 31px;
    }

    .section-heading h2 {
      margin: 10px 0 12px;
      font-size: clamp(2rem, 4vw, 3rem);
      line-height: 1.08;
      letter-spacing: -0.045em;
    }

    .section-heading p {
      margin: 0;
      color: var(--muted);
      font-size: 0.98rem;
    }

    .technology {
      background: var(--navy);
      color: #ffffff;
    }

    .technology .section-heading p {
      color: #c2d0d8;
    }

    .technology-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
      align-items: center;
      gap: 42px;
    }

    .steps {
      display: grid;
      gap: 16px;
      margin: 24px 0 0;
      padding: 0;
      list-style: none;
    }

    .steps li {
      display: grid;
      grid-template-columns: 38px 1fr;
      gap: 13px;
      align-items: start;
    }

    .step-number {
      display: grid;
      width: 36px;
      height: 36px;
      place-items: center;
      border-radius: 11px;
      background: #214357;
      color: var(--teal);
      font-size: 0.78rem;
      font-weight: 850;
    }

    .steps strong {
      display: block;
      font-size: 0.95rem;
    }

    .steps span:last-child {
      display: block;
      margin-top: 3px;
      color: #b7c7d0;
      font-size: 0.82rem;
    }

    .media-card {
      margin: 0;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #ffffff;
    }

    .media-card img {
      width: 100%;
      border-radius: 14px;
      object-fit: contain;
    }

    .technology .media-card {
      border-color: #405466;
      background: #ffffff;
    }

    .application {
      background: var(--paper);
    }

    .application-media {
      overflow: hidden;
      margin: 0;
      padding: 10px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #ffffff;
    }

    .application-media img {
      width: 100%;
      border-radius: 14px;
    }

    .application-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      margin-top: 18px;
    }

    .application-card {
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: #ffffff;
    }

    .application-card h3 {
      margin: 0 0 7px;
      color: var(--teal-dark);
      font-size: 1rem;
    }

    .application-card p {
      margin: 0;
      color: #5f7280;
      font-size: 0.88rem;
    }

    .safety-note {
      margin-top: 16px;
      padding: 17px 19px;
      border: 1px solid #f0dcb9;
      border-radius: 14px;
      background: var(--warm);
      color: #70572d;
      font-size: 0.82rem;
    }

    .handpieces {
      background: #ffffff;
    }

    .handpiece-media {
      max-width: 980px;
      margin-inline: auto;
    }

    .handpiece-media img {
      width: 100%;
    }

    .handpiece-labels {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      margin-top: 16px;
    }

    .handpiece-label {
      padding: 18px 20px;
      border: 1px solid var(--line);
      border-radius: 15px;
      background: #f7fafa;
    }

    .handpiece-label h3 {
      margin: 0 0 5px;
      font-size: 0.98rem;
    }

    .handpiece-label p {
      margin: 0;
      color: #627582;
      font-size: 0.82rem;
    }

    .results {
      background: #f5f7f4;
    }

    .results-figure {
      max-width: 960px;
      margin: 0 auto;
    }

    .results-figure img {
      width: 100%;
    }

    .results-note {
      max-width: 960px;
      margin: 12px auto 0;
      color: #71808a;
      font-size: 0.77rem;
    }

    .specifications {
      background: #ffffff;
    }

    .spec-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
      gap: 22px;
      align-items: start;
    }

    .spec-table-wrap {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 16px;
    }

    .spec-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    .spec-table th,
    .spec-table td {
      padding: 13px 16px;
      border-bottom: 1px solid #e9eeee;
      font-size: 0.84rem;
    }

    .spec-table thead th {
      background: #f4f8f8;
      color: #526879;
      font-size: 0.72rem;
      letter-spacing: 0.07em;
      text-transform: uppercase;
    }

    .spec-table tbody tr:last-child th,
    .spec-table tbody tr:last-child td {
      border-bottom: 0;
    }

    .spec-table tbody th {
      width: 52%;
      color: #667986;
      font-weight: 600;
    }

    .spec-table tbody td {
      color: #20394d;
      font-weight: 750;
    }

    .settings-card {
      padding: 23px;
      border-radius: 17px;
      background: var(--navy);
      color: #ffffff;
    }

    .settings-card h3 {
      margin: 0 0 8px;
      font-size: 1.18rem;
    }

    .settings-card > p {
      margin: 0 0 12px;
      color: #bfccd4;
      font-size: 0.82rem;
    }

    .setting-row {
      padding: 14px 0;
      border-top: 1px solid #3b5062;
      font-size: 0.86rem;
    }

    .setting-row strong {
      color: var(--teal);
    }

    .setting-row small {
      display: block;
      margin-top: 4px;
      color: #bdcbd4;
      font-size: 0.75rem;
    }

    .settings-note {
      margin-top: 11px;
      color: #bdcbd4;
      font-size: 0.74rem;
    }

    .faq {
      background: #edf3f3;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }

    .faq-item {
      padding: 0 17px;
      border: 1px solid #d6e0e1;
      border-radius: 13px;
      background: #ffffff;
    }

    .faq-item summary {
      position: relative;
      padding: 15px 28px 15px 0;
      cursor: pointer;
      font-size: 0.87rem;
      font-weight: 800;
      list-style: none;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      position: absolute;
      top: 12px;
      right: 0;
      color: var(--teal-dark);
      content: "+";
      font-size: 1.2rem;
    }

    .faq-item[open] summary::after {
      content: "−";
    }

    .faq-item p {
      margin: 0 0 16px;
      color: #637784;
      font-size: 0.82rem;
    }

    .closing {
      padding: 44px 0;
      background: var(--teal);
    }

    .closing-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .closing h2 {
      margin: 0 0 5px;
      font-size: clamp(1.65rem, 3vw, 2.3rem);
      line-height: 1.12;
      letter-spacing: -0.035em;
    }

    .closing p {
      margin: 0;
      color: #20575a;
      font-size: 0.88rem;
    }

    footer {
      padding: 21px 0;
      background: #091725;
      color: #b7c5ce;
      font-size: 0.74rem;
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      gap: 20px;
    }

    .footer-inner strong {
      color: #ffffff;
      letter-spacing: 0.1em;
    }

    .footer-inner span {
      max-width: 670px;
      text-align: right;
    }

    @media (max-width: 820px) {
      .hero-grid,
      .technology-grid,
      .spec-grid {
        grid-template-columns: 1fr;
      }

      .hero-grid {
        gap: 30px;
      }

      .hero-copy {
        max-width: 760px;
      }

      .feature-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .technology-grid {
        gap: 28px;
      }
    }

    @media (max-width: 580px) {
      .container {
        width: calc(100% - 28px);
      }

      .hero {
        padding: 42px 0 25px;
      }

      .hero h1 {
        font-size: clamp(2.35rem, 11vw, 3.15rem);
      }

      .hero-figure {
        padding: 8px;
      }

      .section {
        padding: 58px 0;
      }

      .application-grid,
      .handpiece-labels,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .spec-table th,
      .spec-table td {
        padding: 11px 10px;
        font-size: 0.76rem;
      }

      .closing-inner,
      .footer-inner {
        align-items: flex-start;
        flex-direction: column;
      }

      .footer-inner span {
        text-align: left;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        transition-duration: 0.01ms !important;
      }
    }