:root {
    color-scheme: dark;
    --deep:      #0A1430;
    --deeper:    #050A1C;
    --rule:      #1D2B52;
    --ice:       #A9BCE2;
    --ice-bright:#DCE6FA;
    --core:      #FFF4E2;
    --hot:       #FFC24D;
    --hot-pale:  #FFE38C;
    --flare:     #FF4D9D;
  }
  :root:not([data-theme="light"]) { color-scheme: dark; }
  @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { color-scheme: dark; } }

  * { box-sizing: border-box; }

  html { -webkit-text-size-adjust: 100%; }

  body {
    margin: 0;
    overflow-x: hidden;
    background: var(--deeper);
    background-image:
      radial-gradient(120% 90% at 70% 0%, #14224A 0%, transparent 60%),
      linear-gradient(180deg, var(--deep) 0%, var(--deeper) 70%);
    color: var(--ice);
    font-family: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }

  .wrap {
    max-width: 660px;
    margin: 0 auto;
    padding: 0 24px;
  }

  .visually-hidden {
    position: absolute;
    width: 1px; height: 1px;
    margin: -1px; padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  /* ---------- hero ---------- */

  .hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: 104px 0 52px;
    border-bottom: 1px solid var(--rule);
  }

  .hero-img {
    position: absolute;
    inset: 0;
    z-index: -2;
    display: block;
  }
  .hero-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 60% 50%;
    display: block;
  }

  .hero-scrim {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
      radial-gradient(125% 105% at 50% 38%,
        rgba(5,10,28,0.90) 0%,
        rgba(5,10,28,0.74) 45%,
        rgba(5,10,28,0.42) 100%),
      linear-gradient(180deg,
        rgba(5,10,28,0.62) 0%,
        rgba(5,10,28,0.18) 32%,
        rgba(5,10,28,0.88) 86%,
        var(--deeper) 100%);
  }

  .hero.compact { padding: 76px 0 42px; }

  h1 {
    position: relative;
    font-family: "Archivo Black", "Archivo", "Helvetica Neue", Arial, sans-serif;
    font-weight: 400;
    font-size: clamp(2.5rem, 10.5vw, 4.25rem);
    line-height: 0.96;
    letter-spacing: -0.035em;
    color: var(--core);
    margin: 0 0 20px;
  }

  .standfirst {
    position: relative;
    font-size: clamp(1.05rem, 3.6vw, 1.2rem);
    color: var(--ice-bright);
    max-width: 44ch;
    margin: 0 0 20px;
  }

  .lede {
    position: relative;
    font-size: 1.06rem;
    color: var(--ice-bright);
    max-width: 54ch;
    margin: 0 0 28px;
  }

  /* ---------- calls to action ---------- */

  .links {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 0 0 14px;
  }

  a.btn {
    display: inline-block;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 14px 24px;
    border-radius: 2px;
    transition: transform 120ms ease, background-color 120ms ease, border-color 120ms ease;
  }

  a.btn.primary {
    background: var(--hot);
    color: #24160A;
    border: 1.5px solid var(--hot);
  }
  a.btn.primary:hover { background: var(--hot-pale); border-color: var(--hot-pale); }

  a.btn.secondary {
    color: var(--ice-bright);
    border: 1.5px solid var(--rule);
  }
  a.btn.secondary:hover { border-color: var(--ice); color: var(--core); }

  a.btn:active { transform: translateY(1px); }

  a.btn:focus-visible,
  a:focus-visible {
    outline: 2px solid var(--hot-pale);
    outline-offset: 3px;
  }

  .note {
    position: relative;
    font-size: 0.95rem;
    color: var(--ice);
    max-width: 52ch;
    margin: 0;
  }

  /* ---------- body ---------- */

  main { padding-top: 44px; }

  section { padding: 0 0 48px; }

  .ways {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--rule);
  }

  .ways li {
    border-bottom: 1px solid var(--rule);
    padding: 18px 0 18px 26px;
    position: relative;
    max-width: 56ch;
  }

  .ways li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 30px;
    width: 12px;
    height: 1.5px;
    background: var(--hot);
  }

  .ways h3 {
    font-family: "Archivo", sans-serif;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--core);
    letter-spacing: -0.005em;
    margin: 0;
  }

  .ways p {
    font-size: 0.97rem;
    color: var(--ice);
    margin: 0;
  }

  .closing {
    border-top: 1px solid var(--rule);
    padding-top: 32px;
  }

  /* ---------- footer ---------- */

  footer {
    border-top: 1px solid var(--rule);
    padding-top: 28px;
    padding-bottom: 56px;
    font-size: 0.88rem;
    color: #7C90BE;
  }
  footer p { margin: 0 0 4px; }
  footer a { color: #9FB2DC; }

  @media (max-width: 560px) {
    .hero { padding: 68px 0 36px; }
    main { padding-top: 36px; }
    .links { display: block; }
    a.btn { display: block; text-align: center; margin-bottom: 10px; }
    a.btn:last-child { margin-bottom: 0; }
  }

  @media (prefers-reduced-motion: reduce) {
    a.btn { transition: none; }
  }

  /* ---------- motto ---------- */

  .motto {
    position: relative;
    margin: 0 0 24px;
    padding: 0 0 0 16px;
    border-left: 2px solid var(--hot);
    font-family: "Archivo", sans-serif;
    font-weight: 500;
    font-size: clamp(1.02rem, 3.4vw, 1.12rem);
    font-style: italic;
    color: var(--hot-pale);
    max-width: 44ch;
  }

  /* ---------- nav ---------- */

  .nav {
    position: relative;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: 14px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    font-size: 0.95rem;
  }

  .nav a {
    color: var(--ice-bright);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1.5px solid transparent;
    padding-bottom: 2px;
  }
  .nav a:hover { border-bottom-color: var(--hot); color: var(--core); }
  .nav a[aria-current="page"] { color: var(--hot); border-bottom-color: var(--hot); }

  /* ---------- interior pages ---------- */

  .hero.compact h1 { font-size: clamp(2rem, 7.5vw, 3.1rem); }

  .prose { padding-top: 40px; padding-bottom: 8px; }

  .prose h2 {
    font-family: "Archivo Black", "Archivo", sans-serif;
    font-weight: 400;
    font-size: 1.32rem;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--core);
    margin: 44px 0 14px;
    padding-top: 22px;
    border-top: 1px solid var(--rule);
  }
  .prose > h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }

  .prose h3 {
    font-family: "Archivo", sans-serif;
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--ice-bright);
    margin: 26px 0 8px;
  }

  .prose p { margin: 0 0 16px; max-width: 62ch; }
  .prose strong { color: var(--core); font-weight: 600; }
  .prose em { color: var(--hot-pale); }

  .prose ul { margin: 0 0 18px; padding: 0 0 0 20px; max-width: 62ch; }
  .prose li { margin: 0 0 8px; }
  .prose li::marker { color: var(--hot); }

  .prose a { color: var(--hot-pale); }

  .clause { display: block; color: var(--core); font-weight: 600; }

  .callout {
    border-left: 2px solid var(--flare);
    background: rgba(255,77,157,0.05);
    padding: 16px 18px;
    margin: 0 0 24px;
    max-width: 62ch;
  }
  .callout p { margin: 0 0 10px; font-size: 0.97rem; }
  .callout p:last-child { margin: 0; }

  .tablewrap { overflow-x: auto; margin: 0 0 22px; }

  table {
    border-collapse: collapse;
    width: 100%;
    min-width: 420px;
    font-size: 0.93rem;
  }
  th, td {
    text-align: left;
    vertical-align: top;
    padding: 11px 14px 11px 0;
    border-bottom: 1px solid var(--rule);
  }
  th {
    color: var(--core);
    font-weight: 600;
    border-bottom-color: var(--ice);
  }
  td:first-child { color: var(--ice-bright); font-weight: 500; }

  /* ---------- narrative ---------- */

  .story p { margin: 0 0 18px; max-width: 60ch; }

  .story blockquote {
    margin: 30px 0;
    padding: 0 0 0 18px;
    border-left: 2px solid var(--hot);
    font-size: clamp(1.15rem, 4.2vw, 1.4rem);
    font-family: "Archivo", sans-serif;
    font-weight: 500;
    font-style: italic;
    line-height: 1.35;
    color: var(--hot-pale);
    max-width: 30ch;
  }

  .pagenote {
    border-top: 1px solid var(--rule);
    margin-top: 40px;
    padding-top: 22px;
    font-size: 0.92rem;
    color: #7C90BE;
    max-width: 62ch;
  }
  .pagenote p { margin: 0 0 8px; max-width: none; }

  @media (max-width: 560px) {
    .nav { gap: 16px; font-size: 0.9rem; }
    .prose { padding-top: 30px; }
  }

  /* ---------- collapsible sections ---------- */

  .allctl { margin: 0 0 6px; }

  .linkbtn {
    background: none;
    border: 0;
    border-bottom: 1.5px solid var(--rule);
    color: var(--ice-bright);
    font: inherit;
    font-size: 0.92rem;
    padding: 0 0 2px;
    cursor: pointer;
  }
  .linkbtn:hover { color: var(--core); border-bottom-color: var(--hot); }
  .linkbtn:focus-visible { outline: 2px solid var(--hot-pale); outline-offset: 3px; }

  details.sec { border-top: 1px solid var(--rule); }
  details.sec:last-of-type { border-bottom: 1px solid var(--rule); }

  details.sec > summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 28px 20px 0;
    position: relative;
  }
  details.sec > summary::-webkit-details-marker { display: none; }

  details.sec > summary::after {
    content: "";
    position: absolute;
    right: 6px;
    top: 30px;
    width: 9px;
    height: 9px;
    border-right: 1.5px solid var(--hot);
    border-bottom: 1.5px solid var(--hot);
    transform: rotate(45deg);
    transition: transform 150ms ease;
  }
  details.sec[open] > summary::after {
    transform: rotate(-135deg);
    top: 34px;
  }

  details.sec > summary:hover h2 { color: var(--hot-pale); }
  details.sec > summary:focus-visible { outline: 2px solid var(--hot-pale); outline-offset: 2px; }

  details.sec > summary h2 {
    display: inline;
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 1.24rem;
  }

  .sec-hint {
    display: block;
    margin: 5px 0 0;
    font-size: 0.92rem;
    color: #8FA4D0;
    max-width: 56ch;
  }

  .sec-body { padding: 0 0 26px; }
  .sec-body > h3:first-child { margin-top: 0; }
  .sec-body > p:first-child { margin-top: 0; }

  @media (prefers-reduced-motion: reduce) {
    details.sec > summary::after { transition: none; }
  }

  /* ---------- full-bleed image band ---------- */

  .band {
    position: relative;
    width: 100vw;
    margin-left: 50%;
    transform: translateX(-50%);
    height: clamp(190px, 30vw, 340px);
    overflow: hidden;
    margin-top: 48px;
    margin-bottom: 48px;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    isolation: isolate;
  }
  .band img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    z-index: -2;
    position: absolute;
    inset: 0;
  }
  .band::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
      linear-gradient(180deg,
        rgba(5,10,28,0.72) 0%,
        rgba(5,10,28,0.30) 40%,
        rgba(5,10,28,0.72) 100%);
  }
  .band--top img { object-position: 50% 18%; }

  .band figcaption {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 12px 24px;
    font-size: 0.85rem;
    color: var(--ice-bright);
    text-shadow: 0 1px 6px rgba(0,0,0,0.85);
  }
  .band figcaption span {
    display: block;
    max-width: 660px;
    margin: 0 auto;
  }

  /* hero text needs a touch more weight over imagery */
  .hero .standfirst,
  .hero .lede { text-shadow: 0 1px 10px rgba(5,10,28,0.7); }
  .hero h1 { text-shadow: 0 2px 20px rgba(5,10,28,0.55); }

  .credit { color: #6E82AE; }

  @media (max-width: 560px) {
    .hero-img img { object-position: 72% 50%; }
    .band { height: 150px; margin-top: 34px; margin-bottom: 34px; }
  }

  /* ---------- home sections ---------- */

  .home section > h2 {
    font-family: "Archivo Black", "Archivo", sans-serif;
    font-weight: 400;
    font-size: 1.32rem;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--core);
    margin: 0 0 16px;
  }

  .home .intro,
  .home .early p,
  .home .more { max-width: 56ch; }

  .home .intro { margin: 0 0 18px; }
  .home .more { margin: 18px 0 0; font-size: 0.95rem; }
  .home .more a { color: var(--hot-pale); }

  /* numbered op steps */
  .steps {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: step;
    border-top: 1px solid var(--rule);
  }
  .steps li {
    counter-increment: step;
    position: relative;
    padding: 18px 0 18px 44px;
    border-bottom: 1px solid var(--rule);
    max-width: 58ch;
  }
  .steps li::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 18px;
    font-family: "Archivo Black", "Archivo", sans-serif;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--hot);
  }
  .steps h3, .divs h3 {
    font-family: "Archivo", sans-serif;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--core);
    margin: 0;
  }
  .steps p, .divs p { font-size: 0.97rem; margin: 0; }

  /* division cards */
  .divs {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 12px;
  }
  .divs li {
    border: 1px solid var(--rule);
    padding: 16px 16px 18px;
    background: rgba(10,20,48,0.45);
  }
  .divs li.open {
    border-color: rgba(255,194,77,0.55);
    background: rgba(255,194,77,0.05);
  }
  .divs li:not(.open) p { color: #8FA4D0; }
  .divs .status {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #7C90BE;
    margin: 0 0 6px;
  }
  .divs li.open .status { color: var(--hot); }
  .divs .callsign {
    font-style: italic;
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--ice);
    margin-left: 4px;
  }

  /* early-days pitch */
  .early {
    border-left: 2px solid var(--flare);
    background: rgba(255,77,157,0.05);
    padding: 20px 20px 6px;
    margin: 0 0 48px;
  }
  .early p { margin: 0 0 14px; color: var(--ice-bright); }

  /* FAQ */
  .faq { margin: 0; border-top: 1px solid var(--rule); }
  .faq dt {
    font-weight: 600;
    color: var(--core);
    padding: 18px 0 4px;
  }
  .faq dd {
    margin: 0;
    padding: 0 0 18px;
    border-bottom: 1px solid var(--rule);
    font-size: 0.97rem;
    max-width: 58ch;
  }

  /* join steps */
  .join {
    margin: 0 0 24px;
    padding: 0 0 0 22px;
    color: var(--ice-bright);
  }
  .join li { margin: 0 0 6px; }
  .join li::marker { color: var(--hot); font-weight: 600; }

  @media (max-width: 560px) {
    .steps li { padding-left: 38px; }
    .early { padding: 18px 16px 4px; }
  }

  .story-cta { margin: 8px 0 0; }

  /* ---------- next op strip ---------- */

  .nextop {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    column-gap: 20px;
    border: 1px solid rgba(255,194,77,0.55);
    background: rgba(255,194,77,0.06);
    padding: 16px 18px;
    margin: 0 0 44px;
  }
  .nextop[hidden] { display: none; }
  .nextop-label {
    grid-column: 1;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--hot);
  }
  .nextop-name {
    grid-column: 1;
    margin: 2px 0 0;
    font-weight: 600;
    color: var(--core);
  }
  .nextop-when {
    grid-column: 1;
    margin: 0;
    white-space: pre-line;
    font-size: 0.95rem;
    color: var(--ice-bright);
  }
  .nextop-link {
    grid-column: 2;
    grid-row: 1 / span 3;
    color: var(--hot-pale);
    font-weight: 600;
    font-size: 0.95rem;
  }

  @media (max-width: 560px) {
    .nextop { grid-template-columns: 1fr; margin-bottom: 36px; }
    .nextop-link { grid-column: 1; grid-row: auto; margin-top: 10px; }
  }

  /* bands between home sections: the section above already supplies the gap */
  .home .band { margin-top: 0; }
  .band--right img { object-position: 80% 50%; }
  .band--low img { object-position: 30% 85%; }

  /* ---------- plan page ---------- */

  .plan .big {
    font-family: "Archivo Black", "Archivo", sans-serif;
    font-size: clamp(1.25rem, 4.4vw, 1.55rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--hot-pale);
    margin: 0 0 12px;
  }

  .plan .milestones li { margin: 0 0 10px; }

  .plan .risks {
    list-style: none;
    margin: 0 0 32px;
    padding: 0;
    max-width: 62ch;
    border-top: 1px solid var(--rule);
  }
  .plan .risks li {
    margin: 0;
    padding: 18px 0 20px;
    border-bottom: 1px solid var(--rule);
  }
  .plan .risks h3 { margin: 0 0 4px; color: var(--core); }
  .plan .risks p { margin: 0 0 10px; font-size: 0.97rem; }
  .plan .risks p.answer {
    margin: 0;
    padding: 0 0 0 14px;
    border-left: 2px solid var(--hot);
    color: var(--ice-bright);
  }