:root {
      --green: #4a8f12;
      --green-dark: #36552a;
      --green-soft: #dce8d2;
      --cream: #f5f3e8;
      --ink: #172015;
      --muted: #596352;
      --line: rgba(23, 32, 21, .16);
      --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
      --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--green);
      font-family: var(--sans);
      line-height: 1.55;
    }

    a {
      color: inherit;
    }

    .wrap {
      width: min(1120px, calc(100% - 32px));
      margin: 0 auto;
    }

    header {
      min-height: 100svh;
      display: grid;
      align-items: center;
      padding: 28px 0 48px;
      position: relative;
      overflow: hidden;
    }

    nav {
      position: absolute;
      top: 24px;
      left: 10px;
      right: 10px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: .9rem;
    }

    .brand {
      text-decoration: none;
      font-weight: 800;
      letter-spacing: -.03em;
    }

    nav a:last-child {
      text-decoration: none;
      border-bottom: 1px solid currentColor;
    }

    .hero {
      display: grid;
      grid-template-columns: 1.35fr .65fr;
      gap: 48px;
      align-items: end;
      padding-top: 72px;
    }

    .eyebrow {
      font-family: var(--mono);
      font-size: .8rem;
      text-transform: uppercase;
      letter-spacing: .12em;
      margin-bottom: 20px;
    }

    h1 {
      margin: 0;
      max-width: 850px;
      font-size: clamp(4rem, 11vw, 9rem);
      line-height: .86;
      letter-spacing: -.075em;
      font-weight: 850;
    }

    .hero-copy {
      font-size: clamp(1.05rem, 2vw, 1.35rem);
      max-width: 440px;
      margin: 0 0 6px auto;
    }

    .scroll {
      margin-top: 48px;
      font-family: var(--mono);
      font-size: .78rem;
    }

    main {
      background: var(--cream);
    }

    section {
      padding: clamp(64px, 10vw, 128px) 0;
    }

    .intro {
      display: grid;
      grid-template-columns: .7fr 1.3fr;
      gap: 64px;
      border-bottom: 1px solid var(--line);
    }

    .label {
      font-family: var(--mono);
      font-size: .75rem;
      text-transform: uppercase;
      letter-spacing: .12em;
    }

    h2 {
      font-size: clamp(2.2rem, 5vw, 4.5rem);
      line-height: .95;
      letter-spacing: -.055em;
      margin: 0 0 28px;
    }

    .lead {
      font-size: clamp(1.15rem, 2.2vw, 1.55rem);
      max-width: 760px;
    }

    .code-card {
      margin-top: 56px;
      padding: 24px;
      background: var(--green-dark);
      color: #eaf2e4;
      border-radius: 18px;
      font: .88rem/1.7 var(--mono);
      overflow-x: auto;
      box-shadow: 0 18px 50px rgba(20, 35, 15, .12);
    }

    .code-card .dim {
      opacity: .55;
    }

    .code-card .accent {
      color: #cfe6b8;
    }

    .principles {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      background: var(--line);
      border: 1px solid var(--line);
    }

    .principle {
      background: var(--cream);
      padding: 32px;
      min-height: 220px;
    }

    .number {
      font-family: var(--mono);
      font-size: .75rem;
      margin-bottom: 48px;
    }

    h3 {
      margin: 0 0 12px;
      font-size: 1.4rem;
      letter-spacing: -.025em;
    }

    .principle p {
      margin: 0;
      color: var(--muted);
    }

    .contact {
      background: var(--green-dark);
      color: var(--cream);
    }

    .contact-inner {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 40px;
    }

    .contact h2 {
      max-width: 700px;
    }

    .contact a {
      display: inline-block;
      padding: 14px 18px;
      border: 1px solid rgba(245, 243, 232, .5);
      border-radius: 999px;
      text-decoration: none;
      white-space: nowrap;
      transition: .2s ease;
    }

    .contact a:hover {
      background: var(--cream);
      color: var(--green-dark);
    }

    footer {
      padding: 24px 0;
      background: var(--green-dark);
      color: rgba(245, 243, 232, .62);
      font: .72rem var(--mono);
      border-top: 1px solid rgba(245, 243, 232, .14);
    }

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

    @media (max-width: 760px) {
      .wrap {
        width: min(100% - 24px, 1120px);
      }

      header {
        min-height: 88svh;
      }

      .hero,
      .intro {
        grid-template-columns: 1fr;
        gap: 34px;
      }

      .hero-copy {
        margin: 0;
        max-width: 520px;
      }

      h1 {
        font-size: clamp(4rem, 20vw, 7rem);
      }

      .scroll {
        margin-top: 36px;
      }

      .intro {
        gap: 18px;
      }

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

      .principle {
        min-height: auto;
      }

      .number {
        margin-bottom: 30px;
      }

      .contact-inner {
        display: block;
      }

      .contact a {
        margin-top: 12px;
      }

      footer .wrap {
        display: block;
      }
    }