:root {
      --ink: #16211f;
      --muted: #5f6f6b;
      --wash: #f5f7f6;
      --surface: #ffffff;
      --surface-alt: #e9efec;
      --line: #d5ded9;
      --teal: #0d625c;
      --teal-dark: #0b3f3b;
      --amber: #c98722;
      --shadow: 0 18px 50px rgba(17, 30, 27, 0.14);
      --max: 1080px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--wash);
      font-family: var(--font);
      line-height: 1.5;
    }

    a { color: inherit; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
      padding: 1rem clamp(1rem, 4vw, 2.5rem);
      background: rgba(245, 247, 246, 0.94);
      border-bottom: 1px solid rgba(213, 222, 217, 0.82);
      backdrop-filter: blur(14px);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 0.8rem;
      color: var(--ink);
      font-weight: 780;
      text-decoration: none;
    }

    .brand-mark {
      display: grid;
      width: 40px;
      height: 40px;
      place-items: center;
      color: var(--surface);
      background: var(--teal-dark);
      border: 2px solid var(--amber);
      font-weight: 820;
    }

    .brand span:last-child {
      display: block;
      max-width: 180px;
      line-height: 1.05;
    }

    nav {
      display: flex;
      align-items: center;
      gap: clamp(0.75rem, 2vw, 1.4rem);
      font-size: 0.94rem;
      font-weight: 650;
    }

    nav a {
      color: #253432;
      text-decoration: none;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 1.05rem;
      border-radius: 8px;
      border: 1px solid transparent;
      font-size: 0.95rem;
      font-weight: 730;
      text-decoration: none;
      white-space: nowrap;
    }

    .button.primary {
      color: #121b19;
      background: var(--amber);
      box-shadow: 0 10px 24px rgba(201, 135, 34, 0.28);
    }

    .button.secondary {
      color: var(--surface);
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.44);
    }

    .hero {
      position: relative;
      min-height: 64svh;
      display: flex;
      align-items: flex-end;
      padding: clamp(5rem, 9vw, 8rem) clamp(1.1rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem);
      color: var(--surface);
      background: #0e1917;
      isolation: isolate;
    }

    .hero::before {
      position: absolute;
      inset: 0;
      z-index: -2;
      content: "";
      background:
        linear-gradient(90deg, rgba(12, 22, 20, 0.96) 0%, rgba(12, 22, 20, 0.78) 42%, rgba(12, 22, 20, 0.2) 82%),
        url("../../images/roleshock-primary-screen-concept.png") right center / cover no-repeat;
    }

    .hero-content {
      width: min(840px, 100%);
    }

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

    h1 {
      margin-bottom: 1.1rem;
      font-size: 4.15rem;
      line-height: 1.02;
      font-weight: 840;
    }

    .hero p {
      max-width: 690px;
      color: rgba(255, 255, 255, 0.86);
      font-size: 1.2rem;
    }

    .actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-top: 1.6rem;
    }

    .section {
      padding: clamp(3.2rem, 7vw, 5.6rem) clamp(1.1rem, 5vw, 4rem);
    }

    .section.alt { background: var(--surface-alt); }

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

    .section-heading {
      display: grid;
      grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.6fr);
      gap: clamp(1.5rem, 4vw, 4rem);
      align-items: end;
      margin-bottom: clamp(1.7rem, 4vw, 3rem);
    }

    .section-heading h2 {
      margin-bottom: 0;
      font-size: 3rem;
      line-height: 1;
    }

    .section-heading p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 1.05rem;
    }

    .detail-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1rem;
    }

    .detail-card {
      min-height: 230px;
      padding: 1.2rem;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--surface);
      box-shadow: 0 1px 0 rgba(22, 33, 31, 0.03);
    }

    .detail-card h3 {
      margin-bottom: 0.55rem;
      font-size: 1.18rem;
      line-height: 1.15;
    }

    .detail-card p,
    .detail-card li {
      color: var(--muted);
      font-size: 0.96rem;
    }

    .detail-card ul {
      display: grid;
      gap: 0.45rem;
      margin: 0;
      padding-left: 1.15rem;
    }

    .cta-band {
      color: var(--surface);
      background: #111b19;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(250px, 0.42fr);
      gap: 2rem;
      align-items: center;
      padding: clamp(1.4rem, 4vw, 2.4rem);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.05);
    }

    .cta-panel p {
      margin-bottom: 0;
      color: rgba(255, 255, 255, 0.74);
    }

    footer {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 1rem;
      padding: 1.35rem clamp(1.1rem, 5vw, 4rem);
      color: rgba(255, 255, 255, 0.62);
      background: #111b19;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      font-size: 0.9rem;
    }

    footer a {
      color: var(--surface);
      text-decoration-color: rgba(255, 255, 255, 0.38);
      text-underline-offset: 0.24em;
    }

    @media (max-width: 900px) {
      .site-header { align-items: flex-start; }
      nav { justify-content: flex-end; flex-wrap: wrap; }
      .section-heading,
      .cta-panel { grid-template-columns: 1fr; }
      .detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      h1 { font-size: 3.4rem; }
      .section-heading h2 { font-size: 2.5rem; }
    }

    @media (max-width: 640px) {
      .site-header {
        position: static;
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
      }

      nav a:not(.button) { display: none; }
      nav { width: 100%; }
      nav .button { width: 100%; }
      .detail-grid { grid-template-columns: 1fr; }
      .detail-card { min-height: 0; }
      .hero { min-height: 68svh; padding-top: 4.4rem; }
      h1 { font-size: 2.4rem; }
      .hero p { font-size: 1.04rem; }
      .section-heading h2 { font-size: 2.1rem; }
      .hero::before {
        background:
          linear-gradient(0deg, rgba(12, 22, 20, 0.98) 0%, rgba(12, 22, 20, 0.72) 62%, rgba(12, 22, 20, 0.42) 100%),
          url("../../images/roleshock-primary-screen-concept.png") center top / cover no-repeat;
      }
    }