:root {
      color-scheme: light;
      --ink: #111827;
      --muted: #5b6472;
      --subtle: #eef2f6;
      --paper: #fbfcf8;
      --white: #ffffff;
      --line: #d9e0e8;
      --brand: #0f766e;
      --brand-dark: #115e59;
      --accent: #f97316;
      --focus: #0ea5e9;
      --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
      --radius: 8px;
      --max: 1120px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 96px;
    }

    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 16px;
      line-height: 1.6;
      text-rendering: optimizeLegibility;
    }

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

    a {
      color: inherit;
    }

    :focus-visible {
      outline: 3px solid var(--focus);
      outline-offset: 4px;
      border-radius: 6px;
    }

    .skip-link {
      position: fixed;
      left: 16px;
      top: 16px;
      z-index: 100;
      transform: translateY(-140%);
      background: var(--ink);
      color: var(--white);
      padding: 10px 14px;
      border-radius: var(--radius);
      transition: transform 160ms ease;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid rgba(217, 224, 232, 0.84);
      background: rgba(251, 252, 248, 0.92);
      backdrop-filter: blur(18px);
    }

    .nav {
      width: min(100% - 32px, var(--max));
      min-height: 76px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      font-weight: 800;
      letter-spacing: 0;
    }

    .brand img {
      width: 44px;
      height: 44px;
      object-fit: contain;
    }

    .brand span {
      font-size: 1.1rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .nav-links a {
      border-radius: var(--radius);
      color: var(--muted);
      font-size: 0.94rem;
      font-weight: 650;
      padding: 10px 12px;
      text-decoration: none;
    }

    .nav-links a:hover {
      background: var(--subtle);
      color: var(--ink);
    }

    .nav-links .nav-cta {
      background: var(--ink);
      color: var(--white);
      margin-left: 4px;
    }

    .nav-links .nav-cta:hover {
      background: #253041;
      color: var(--white);
    }

    .section {
      width: min(100% - 32px, var(--max));
      margin: 0 auto;
      padding: 88px 0;
    }

    .hero {
      min-height: calc(100vh - 76px);
      display: flex;
      align-items: center;
      padding-top: 62px;
      padding-bottom: 56px;
    }

    .hero > div {
      max-width: 880px;
    }

    .eyebrow {
      color: var(--brand-dark);
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.12em;
      margin: 0 0 18px;
      text-transform: uppercase;
    }

    h1,
    h2,
    h3 {
      line-height: 1.08;
      letter-spacing: 0;
      margin: 0;
    }

    h1 {
      font-size: clamp(3.2rem, 8vw, 6.8rem);
      max-width: 830px;
    }

    h2 {
      font-size: clamp(2.15rem, 4vw, 3.8rem);
      max-width: 780px;
    }

    h3 {
      font-size: clamp(1.35rem, 2vw, 1.85rem);
    }

    .lead {
      color: var(--muted);
      font-size: clamp(1.15rem, 2vw, 1.45rem);
      max-width: 690px;
      margin: 24px 0 0;
    }

    .hero-actions,
    .button-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 34px;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      border: 1px solid var(--ink);
      border-radius: var(--radius);
      font-weight: 750;
      padding: 12px 18px;
      text-decoration: none;
      transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
    }

    .button:hover {
      transform: translateY(-1px);
    }

    .button-primary {
      background: var(--ink);
      color: var(--white);
      box-shadow: 0 14px 36px rgba(17, 24, 39, 0.18);
    }

    .button-primary:hover {
      background: #263241;
    }

    .button-secondary {
      background: rgba(255, 255, 255, 0.7);
      border-color: var(--line);
      color: var(--ink);
    }

    .button-secondary:hover {
      border-color: var(--ink);
      background: var(--white);
    }

    .section-header {
      display: grid;
      grid-template-columns: minmax(0, 0.82fr) minmax(280px, 0.5fr);
      gap: 32px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-header p {
      color: var(--muted);
      font-size: 1.08rem;
      margin: 0;
    }

    .band {
      background: var(--white);
      border-block: 1px solid var(--line);
    }

    .audience-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) repeat(3, minmax(0, 1fr));
      gap: 16px;
      align-items: stretch;
    }

    .audience-intro,
    .audience-card,
    .roadmap-card,
    .trust-note {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--white);
      padding: 24px;
    }

    .audience-intro {
      background: #101827;
      color: var(--white);
    }

    .audience-intro .eyebrow {
      color: #a7f3d0;
      margin: 0 0 18px;
    }

    .audience-intro h2 {
      font-size: clamp(1.85rem, 3vw, 3rem);
    }

    .audience-intro p,
    .audience-card p,
    .roadmap-card p,
    .trust-note p {
      margin: 10px 0 0;
    }

    .audience-intro p {
      color: #d7dee8;
    }

    .audience-card p,
    .roadmap-card p,
    .trust-note p {
      color: var(--muted);
    }

    .principles {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin-top: 34px;
    }

    .principle {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--paper);
      padding: 24px;
    }

    .principle span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      margin-bottom: 18px;
      border-radius: 999px;
      background: #d7f3ef;
      color: var(--brand-dark);
      font-weight: 850;
    }

    .principle p,
    .product-card p,
    .contact-card p {
      color: var(--muted);
      margin: 12px 0 0;
    }

    .product-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      gap: 18px;
    }

    .product-card {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: center;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--white);
      box-shadow: 0 16px 44px rgba(15, 23, 42, 0.08);
      padding: clamp(24px, 4vw, 36px);
    }

    .product-benefits {
      display: grid;
      gap: 10px;
      margin: 22px 0 0;
      padding: 0;
      list-style: none;
    }

    .product-benefits li {
      display: grid;
      grid-template-columns: 10px 1fr;
      gap: 12px;
      color: var(--muted);
      font-weight: 650;
    }

    .product-benefits li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 9px;
      border-radius: 999px;
      background: var(--accent);
    }

    .product-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 18px;
    }

    .pill {
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--muted);
      font-size: 0.82rem;
      font-weight: 750;
      padding: 5px 10px;
    }

    .product-action {
      align-self: stretch;
      display: flex;
      align-items: center;
    }

    .philosophy {
      display: grid;
      grid-template-columns: minmax(0, 0.82fr) minmax(280px, 0.5fr);
      gap: 32px;
      align-items: start;
    }

    .philosophy-copy {
      color: var(--muted);
      font-size: 1.16rem;
      margin: 18px 0 0;
      max-width: 740px;
    }

    .roadmap-card {
      background: var(--paper);
    }

    .roadmap-card .pill {
      display: inline-flex;
      margin-bottom: 16px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    details {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--white);
      overflow: hidden;
    }

    summary {
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 72px;
      padding: 20px 22px;
      font-size: 1.05rem;
      font-weight: 800;
      list-style: none;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    .details-icon {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      border-radius: 999px;
      background: var(--subtle);
      color: var(--brand-dark);
      transition: transform 180ms ease;
    }

    details[open] .details-icon {
      transform: rotate(45deg);
    }

    details p {
      color: var(--muted);
      margin: 0;
      padding: 0 22px 22px;
    }

    .text-link {
      color: var(--brand-dark);
      font-weight: 750;
      text-underline-offset: 3px;
    }

    .contact-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.72fr) minmax(280px, 0.46fr);
      gap: 22px;
      align-items: stretch;
    }

    .contact-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--white);
      padding: clamp(24px, 4vw, 34px);
    }

    .contact-email {
      display: inline-flex;
      margin-top: 18px;
      color: var(--brand-dark);
      font-size: 1.1rem;
      font-weight: 800;
      text-underline-offset: 4px;
    }

    .trust-note {
      margin-top: 18px;
      background: var(--paper);
    }

    .trust-note strong {
      color: var(--ink);
    }

    .privacy-content {
      max-width: 850px;
      color: var(--muted);
    }

    .privacy-content > div {
      border-top: 1px solid var(--line);
      padding-top: 24px;
      margin-top: 24px;
    }

    .privacy-content h3 {
      color: var(--ink);
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    .privacy-content p {
      margin: 0;
    }

    .privacy-content p + p {
      margin-top: 10px;
    }

    .privacy-content ul {
      margin: 10px 0 0;
      padding-left: 22px;
    }

    .privacy-note {
      font-size: 0.92rem;
    }

    .site-footer {
      border-top: 1px solid var(--line);
      background: #101827;
      color: #d7dee8;
      padding: 36px 0;
    }

    .footer-inner {
      width: min(100% - 32px, var(--max));
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      font-size: 0.95rem;
    }

    .footer-inner a {
      color: #a7f3d0;
      font-weight: 750;
      text-underline-offset: 4px;
    }

    @media (max-width: 860px) {
      .nav {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
        padding: 14px 0;
      }

      .nav-links {
        justify-content: flex-start;
        width: 100%;
      }

      .nav-links a {
        padding: 8px 9px;
      }

      .nav-links .nav-cta {
        margin-left: 0;
      }

      html {
        scroll-padding-top: 132px;
      }

      .hero,
      .section-header,
      .audience-grid,
      .product-card,
      .philosophy,
      .contact-layout {
        grid-template-columns: 1fr;
      }

      .hero {
        min-height: auto;
        padding-top: 48px;
      }

      .section {
        padding: 64px 0;
      }

      .principles,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .product-action {
        align-self: auto;
      }
    }

    @media (max-width: 520px) {
      .button,
      .button-row,
      .hero-actions {
        width: 100%;
      }

      .button {
        padding-inline: 14px;
      }

      .nav-links {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .nav-links a {
        text-align: center;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation: none !important;
        scroll-behavior: auto !important;
        transition: none !important;
      }
    }

    @media (prefers-contrast: high) {
      :root {
        --ink: #000000;
        --muted: #1f2937;
        --paper: #ffffff;
        --line: #000000;
        --brand-dark: #064e3b;
      }
    }