:root {
    --paper: #FAF9F6;
    --ink: #141210;
    --faint: #6E6A63;
    --bronze: #9A6B2E;
    --bronze-deep: #7A5222;
    --patina: #2F7A68;
    --patina-deep: #235D4F;
    --rule: #E2DED4;
    --card: #F3F1EA;
    --serif: "STIX Two Text", Georgia, serif;
    --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

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

  body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--serif);
    font-size: 1.125rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  ::selection { background: var(--bronze); color: var(--paper); }

  a { color: var(--bronze-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
  a:hover { color: var(--patina-deep); }
  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--patina);
    outline-offset: 3px;
    border-radius: 1px;
  }

  .wrap { max-width: 1060px; margin: 0 auto; padding: 0 24px; }
  .prose { max-width: 680px; }

  /* ---------- metadata bar ---------- */
  .metabar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(250, 249, 246, 0.88);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--rule);
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--faint);
  }
  .metabar .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 13px;
    padding-bottom: 13px;
  }
  .metabar strong { color: var(--ink); font-weight: 500; white-space: nowrap; }
  .metabar .mid { display: flex; gap: 1.75rem; }
  .metabar a.fundlink { color: var(--patina-deep); text-decoration: none; font-weight: 600; white-space: nowrap; }
  .metabar a.fundlink:hover { text-decoration: underline; text-underline-offset: 4px; }
  .metabar .right { display: flex; align-items: center; gap: 1.5rem; }
  @media (max-width: 760px) {
    .metabar .mid { display: none; }
  }
  .status-open { color: var(--bronze-deep); font-weight: 600; white-space: nowrap; }
  .status-dot {
    display: inline-block;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--bronze);
    margin-right: 6px;
    vertical-align: 1px;
  }
  @media (prefers-reduced-motion: no-preference) {
    .status-dot { animation: pulse 2.4s ease-in-out infinite; }
    @keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: 0.25 } }
  }

  /* ---------- hero ---------- */
  .hero {
    position: relative;
    min-height: clamp(620px, 84vh, 780px);
    display: flex;
    align-items: center;
    overflow: hidden;
    isolation: isolate;
    padding: clamp(3rem, 5.2vw, 4.4rem) 0 clamp(1.8rem, 3.2vw, 2.8rem);
    background: #FBF7ED;
    color: var(--ink);
  }
  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
      linear-gradient(90deg, rgba(251, 247, 237, 0.98) 0%, rgba(251, 247, 237, 0.92) 46%, rgba(251, 247, 237, 0.10) 74%, rgba(251, 247, 237, 0.18) 100%),
      linear-gradient(180deg, rgba(251, 247, 237, 0.10), rgba(251, 247, 237, 0.55));
    pointer-events: none;
  }
  .hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: 0.32;
    background-image:
      linear-gradient(rgba(20, 18, 16, 0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(20, 18, 16, 0.025) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: linear-gradient(90deg, transparent 0%, black 42%, black 100%);
    pointer-events: none;
  }
  .distance-hero-canvas {
    position: absolute;
    inset: 0;
    z-index: -3;
    display: block;
    width: 100%;
    height: 100%;
    background: #FBF7ED;
  }
  .hero .wrap {
    position: relative;
    z-index: 1;
    width: 100%;
  }
  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(250px, 360px);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
  }
  .hero-copy { max-width: 720px; }
  .eyebrow {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--bronze-deep);
    margin-bottom: 1.5rem;
  }
  .hero .eyebrow { color: #D5A65C; }
  h1 {
    font-size: clamp(2.3rem, 6.4vw, 4.9rem);
    line-height: 1.06;
    font-weight: 600;
    letter-spacing: -0.015em;
    max-width: 19ch;
  }
  .hero h1 {
    font-size: clamp(2.3rem, 5.5vw, 4.45rem);
    line-height: 1.02;
    max-width: 17ch;
  }
  h1 .name { white-space: nowrap; }
  .hu-name {
    margin-top: 1.1rem;
    font-style: italic;
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    color: var(--faint);
  }
  .hero .hu-name { color: rgba(20, 18, 16, 0.58); }
  .hero-sub {
    margin-top: 1.75rem;
    font-size: clamp(1.15rem, 1.8vw, 1.35rem);
    line-height: 1.55;
    max-width: 56ch;
    color: #3A3833;
  }
  .hero .hero-sub {
    margin-top: 1.4rem;
    color: rgba(20, 18, 16, 0.8);
  }
  .pk {
    font-family: var(--mono);
    font-size: 0.68em;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bronze-deep);
    margin-right: 0.35em;
  }
  .hero .hero-sub .pk { color: #D5A65C; }
  .hero-required {
    max-width: 42ch;
  }
  .given-rack {
    max-width: 620px;
    margin-top: 1.8rem;
  }
  .given-lbl {
    display: block;
    font-size: 0.68rem;
    margin-bottom: 0.6rem;
  }
  .given-list {
    --given-indent: 2.1rem;
    list-style: none;
    counter-reset: given;
    display: grid;
    gap: 0.45rem;
  }
  .given-list li {
    counter-increment: given;
    padding-left: var(--given-indent);
    text-indent: calc(-1 * var(--given-indent));
    font-style: italic;
    font-size: 1.02rem;
    line-height: 1.5;
    color: rgba(20, 18, 16, 0.82);
  }
  .given-list li::before {
    content: "(" counter(given, lower-roman) ")";
    display: inline-block;
    width: var(--given-indent);
    text-indent: 0;
    font-family: var(--mono);
    font-style: normal;
    font-size: 0.74rem;
    color: var(--bronze-deep);
  }

  /* the ő tooltip */
  .oo {
    border-bottom: 1px dotted var(--bronze);
    cursor: help;
    position: relative;
  }
  .oo::after {
    content: attr(data-note);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 10px);
    transform: translateX(-50%);
    background: var(--ink);
    color: var(--paper);
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.02em;
    line-height: 1.5;
    padding: 8px 12px;
    width: max-content;
    max-width: 260px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: 5;
    text-transform: none;
  }
  .oo:hover::after, .oo:focus::after { opacity: 1; }
  .hero .oo::after {
    background: var(--ink);
    color: var(--paper);
  }

  /* lean block */
  .lean {
    margin-top: 1.6rem;
    font-family: var(--mono);
    font-size: clamp(0.74rem, 1.2vw, 0.84rem);
    line-height: 1.65;
    padding: 1.35rem 1.55rem;
    max-width: 620px;
    overflow-x: auto;
    position: relative;
    color: rgba(20, 18, 16, 0.84);
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(20, 18, 16, 0.18);
    box-shadow: 0 18px 55px rgba(65, 40, 18, 0.12);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
  }
  .lean .lbl {
    position: absolute;
    top: 0.9rem; right: 1.1rem;
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #6B675E;
  }
  .lean pre { font-family: inherit; white-space: pre; }
  .lean .kw { color: #C58F4A; }
  .lean .ty { color: var(--patina); }
  .lean .op { color: rgba(20, 18, 16, 0.54); }
  .lean .sorry { color: #E0A458; font-weight: 600; }
  .lean .cm { color: rgba(20, 18, 16, 0.48); font-style: italic; }

  .hero-cta { margin-top: 2.6rem; display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; align-items: center; }
  .hero .hero-cta { margin-top: 1.85rem; }
  .btn {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 0.95rem 1.7rem;
    background: var(--patina-deep);
    color: var(--paper);
    border: 1px solid var(--patina-deep);
    transition: background 0.15s ease;
  }
  .btn:hover { background: var(--patina); border-color: var(--patina); color: var(--paper); }
  .btn-ghost {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--rule);
  }
  .btn-ghost:hover { background: var(--card); color: var(--ink); border-color: var(--faint); }
  .hero .btn-ghost {
    color: var(--ink);
    border-color: rgba(20, 18, 16, 0.24);
  }
  .hero .btn-ghost:hover {
    background: rgba(20, 18, 16, 0.06);
    color: var(--ink);
    border-color: rgba(20, 18, 16, 0.48);
  }

  @media (prefers-reduced-motion: no-preference) {
    .hero .sorry { animation: sorryGlow 2.8s ease-in-out infinite; }
    @keyframes sorryGlow {
      0%, 100% { color: #E0A458; text-shadow: none; }
      50% { color: #F6D9A2; text-shadow: 0 0 18px rgba(224, 164, 88, 0.55); }
    }
  }
  @media (max-width: 900px) {
    .hero { min-height: auto; }
    .hero-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 760px) {
    /* room below the CTAs for the statue to stand */
    .hero { padding-bottom: 22rem; }
  }
  @media (max-width: 620px) {
    .hero {
      padding-top: 3.6rem;
      padding-bottom: 21rem;
    }
    .hero::before {
      background:
        linear-gradient(180deg, rgba(251, 247, 237, 0.96), rgba(251, 247, 237, 0.88) 52%, rgba(251, 247, 237, 0.03) 74%),
        linear-gradient(90deg, rgba(251, 247, 237, 0.22), rgba(251, 247, 237, 0.05));
    }
    .hero h1 { font-size: clamp(2.15rem, 10vw, 2.65rem); }
    .hero .hero-sub {
      margin-top: 1.2rem;
      font-size: 1.04rem;
      line-height: 1.5;
    }
    .given-rack {
      margin-top: 1.35rem;
    }
    .given-list {
      --given-indent: 1.9rem;
    }
    .given-list li {
      font-size: 0.95rem;
    }
    .lean {
      margin-top: 1.3rem;
      padding: 1.25rem 1rem;
      font-size: 0.66rem;
      line-height: 1.58;
    }
    .hero .hero-cta { margin-top: 1.4rem; gap: 0.8rem; }
    .hero .btn { padding: 0.82rem 1.35rem; }
  }

  /* ---------- abstract ---------- */
  .abstract {
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: clamp(2.5rem, 5vw, 4rem) 0;
  }
  .abstract .inner {
    max-width: 640px;
    margin: 0 auto;
    font-size: 1.05rem;
  }
  .abstract .inner p { text-indent: 0; }
  .abstract .tag {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--faint);
    display: block;
    margin-bottom: 1rem;
  }
  .abstract em.num,
  .prose em.num { font-style: normal; color: var(--bronze-deep); font-weight: 600; }

  /* ---------- section navigation ---------- */
  .section-nav {
    border-bottom: 1px solid var(--rule);
    background: rgba(250, 249, 246, 0.92);
  }
  .section-nav .wrap {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--rule);
    padding-top: 0;
    padding-bottom: 0;
  }
  .section-nav a {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
    padding: 0.9rem 1rem;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    line-height: 1.35;
  }
  .section-nav a:hover { color: var(--patina-deep); background: #FFFFFF; }
  .section-nav a span {
    color: var(--bronze-deep);
    font-weight: 600;
    flex: 0 0 auto;
  }
  @media (max-width: 760px) {
    .section-nav .wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }
  @media (max-width: 440px) {
    .section-nav .wrap { grid-template-columns: 1fr; }
  }

  /* ---------- sections ---------- */
  section.block { padding: clamp(3.5rem, 7vw, 6rem) 0; }
  section.block + section.block { border-top: 1px solid var(--rule); }
  .sec-head { margin-bottom: 2.4rem; }
  .sec-eyebrow {
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--bronze-deep);
    margin-bottom: 0.8rem;
  }
  h2 {
    font-size: clamp(1.7rem, 3.4vw, 2.5rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
    max-width: 24ch;
  }
  .prose p + p { margin-top: 1.15rem; }
  .prose .qed { color: var(--bronze); }

  /* stat band */
  .stats {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1px;
    background: var(--rule);
    border: 1px solid var(--rule);
  }
  .stat { background: var(--paper); padding: 1.4rem 1.2rem 1.2rem; }
  .stat .n {
    font-family: var(--serif);
    font-size: clamp(1.9rem, 3.4vw, 2.7rem);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.01em;
  }
  .stat .l {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--faint);
    margin-top: 0.6rem;
    line-height: 1.5;
  }
  .stat.zero { background: var(--ink); grid-column: 1 / -1; }
  .stat.zero .n { color: var(--bronze); }
  .stat.zero .l { color: #99948A; }
  .proof-stats {
    max-width: 880px;
  }
  .proof-stats .stat.zero {
    grid-column: auto;
  }

  /* portrait crossfade */
  .portrait {
    float: right;
    width: min(300px, 42vw);
    margin: 0.4rem 0 1.4rem 2.4rem;
  }
  @media (max-width: 620px) {
    .portrait { float: none; width: 100%; max-width: 340px; margin: 0 0 1.8rem; }
  }
  .p-stack { position: relative; background: var(--paper); }
  .p-ascii {
    display: block;
    font-family: var(--mono);
    color: var(--ink);
    white-space: pre;
    line-height: 1;
    letter-spacing: 0;
    margin: 0;
    user-select: none;
    overflow: hidden;
  }
  .p-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    filter: grayscale(1) contrast(1.04);
  }
  .portrait figcaption {
    margin-top: 0.8rem;
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--faint);
    line-height: 1.7;
  }

  /* pull quote */
  .pullquote {
    margin: 3.4rem 0 0;
    max-width: 760px;
    border-top: 2px solid var(--ink);
    border-bottom: 1px solid var(--rule);
    padding: 2.4rem 0 2.2rem;
  }
  .pullquote blockquote {
    font-size: clamp(1.5rem, 3vw, 2.15rem);
    line-height: 1.3;
    font-weight: 500;
    font-style: italic;
    letter-spacing: -0.005em;
  }
  .pullquote blockquote .coffee { color: var(--bronze-deep); }
  .pullquote cite {
    display: block;
    margin-top: 1.2rem;
    font-family: var(--mono);
    font-style: normal;
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--faint);
  }
  .pullquote cite b { color: var(--ink); font-weight: 600; }

  /* glossary */
  .glossary {
    margin-top: 3rem;
    border: 1px solid var(--rule);
    background: var(--card);
    padding: 1.8rem 2rem;
    max-width: 680px;
  }
  .glossary .g-title {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--faint);
    font-weight: 500;
    line-height: 1.45;
  }
  details.glossary[open] .g-title { margin-bottom: 1.2rem; }
  .glossary dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.55rem 1.4rem;
    font-size: 0.98rem;
  }
  .glossary dt { font-family: var(--mono); font-size: 0.8rem; color: var(--bronze-deep); padding-top: 2px; white-space: nowrap; }
  .glossary dd { color: #3A3833; }
  @media (max-width: 540px) {
    .glossary dl { grid-template-columns: 1fr; gap: 0.15rem; }
    .glossary dd { margin-bottom: 0.7rem; }
  }

  /* scoreboard */
  .board-wrap { margin-top: 3.2rem; overflow-x: auto; }
  table.board {
    width: 100%;
    min-width: 660px;
    border-collapse: collapse;
    font-size: 0.98rem;
  }
  .board caption {
    text-align: left;
    font-family: var(--serif);
    font-size: clamp(1.35rem, 2.4vw, 1.75rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--ink);
    padding-bottom: 1.4rem;
  }
  .board th {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
    color: var(--faint);
    text-align: left;
    padding: 0.7rem 1rem 0.7rem 0;
    border-bottom: 1px solid var(--ink);
  }
  .board td {
    padding: 1rem 1rem 1rem 0;
    border-bottom: 1px solid var(--rule);
    vertical-align: top;
  }
  .board td.lab { font-weight: 600; white-space: nowrap; }
  .board td.val { font-family: var(--mono); font-size: 0.85rem; white-space: nowrap; color: #3A3833; }
  .record-more {
    margin-top: 0.65rem;
  }
  .record-more summary {
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bronze-deep);
  }
  .record-more ul {
    margin: 0.65rem 0 0;
    padding-left: 1.05rem;
    color: #3A3833;
    font-size: 0.92rem;
    line-height: 1.5;
  }
  .record-more li + li { margin-top: 0.45rem; }
  .board td.zero {
    font-family: var(--serif);
    font-size: 1.7rem;
    font-weight: 600;
    color: var(--bronze);
    text-align: center;
    padding-right: 0;
    line-height: 1;
  }
  .board th.zero-h { text-align: center; padding-right: 0; color: var(--bronze-deep); }
  .board .note-row td {
    border-bottom: none;
    font-size: 0.98rem;
    color: #3A3833;
    padding-top: 1.2rem;
    line-height: 1.7;
  }
  .board .note-row .nlabel {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bronze-deep);
    margin-right: 0.6rem;
  }
  .board .lab-list-row td {
    padding-top: 1.45rem;
  }
  .lab-list-group + .lab-list-group {
    margin-top: 0.8rem;
  }

  /* ---------- figures ---------- */
  .figs {
    margin-top: 3.2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  @media (max-width: 720px) { .figs { grid-template-columns: 1fr; } }
  figure.fig {
    border: 1px solid var(--rule);
    padding: 2.2rem 1.6rem 1.4rem;
    background: #FFFFFF;
    text-align: center;
  }
  figure.fig svg { max-width: 100%; height: auto; }
  figure.fig figcaption {
    margin-top: 1.6rem;
    font-size: 0.88rem;
    color: var(--faint);
    text-align: left;
    line-height: 1.55;
  }
  figure.fig figcaption .fno { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--bronze-deep); margin-right: 0.5rem; }

  /* sites */
  .sites { margin-top: 2.8rem; display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 860px; }
  @media (max-width: 720px) { .sites { grid-template-columns: 1fr; } }
  .site { border-top: 2px solid var(--ink); padding-top: 1.1rem; }
  .site .s-no { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--bronze-deep); }
  .site h3 { font-size: 1.25rem; font-weight: 600; margin: 0.4rem 0 0.6rem; }
  .site p { font-size: 0.98rem; color: #3A3833; }

  /* ---------- prize / tiers ---------- */
  .tiers {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1px;
    background: var(--rule);
    border: 1px solid var(--rule);
  }
  .tier {
    min-height: 260px;
    background: var(--paper);
    padding: 2rem 1.7rem 1.75rem;
    display: flex;
    flex-direction: column;
  }
  .tier .t-sym {
    font-family: var(--serif);
    font-size: clamp(3.6rem, 7vw, 5.4rem);
    font-weight: 600;
    line-height: 0.9;
    color: var(--bronze-deep);
  }
  .tier .t-name { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--bronze-deep); margin-top: auto; padding-top: 1.3rem; }
  .tier .t-amt { font-family: var(--mono); font-size: 0.95rem; color: var(--ink); margin-top: 0.25rem; }
  .tier p { font-size: 0.96rem; color: #3A3833; margin-top: 0.8rem; line-height: 1.55; }
  .tier.epsilon {
    background: #F1F7F3;
  }
  .tier.epsilon .t-sym,
  .tier.epsilon .t-name { color: var(--patina-deep); }
  .tier.collab {
    background: #FBF1E2;
  }
  .tier.feat {
    background: var(--ink);
  }
  .tier.feat .t-sym, .tier.feat .t-amt { color: var(--paper); }
  .tier.feat .t-name { color: var(--bronze); }
  .tier.feat p { color: #B5B0A6; }

  /* contact */
  .contact {
    margin-top: 4rem;
    background: var(--patina-deep);
    color: var(--paper);
    padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 4vw, 3.5rem);
  }
  .contact h3 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 600;
    line-height: 1.2;
    max-width: 22ch;
  }
  .contact p { margin-top: 1rem; max-width: 52ch; color: #D8E4DF; font-size: 1.02rem; }
  .contact .mail {
    display: inline-block;
    margin-top: 1.8rem;
    font-family: var(--mono);
    font-size: clamp(1rem, 2.4vw, 1.4rem);
    color: var(--paper);
    text-decoration: underline;
    text-decoration-color: rgba(250,249,246,0.4);
    text-underline-offset: 6px;
  }
  .contact .mail:hover { text-decoration-color: var(--paper); color: var(--paper); }
  .contact .fine {
    margin-top: 1.6rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: #9DBDB3;
    max-width: none;
  }

  /* ---------- footnotes / footer ---------- */
  .fnref { font-family: var(--mono); font-size: 0.68em; vertical-align: super; text-decoration: none; color: var(--bronze-deep); padding-left: 1px; }
  /* word joiner: a ref may never wrap onto its own line away from the preceding word */
  .fnref::before { content: "\2060"; }
  .fnref:hover { color: var(--patina-deep); }
  footer { border-top: 1px solid var(--rule); padding: clamp(3rem, 6vw, 4.5rem) 0 3rem; }
  .fn-title { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin-bottom: 1.4rem; }
  ol.fns { max-width: 720px; font-size: 0.88rem; color: #4A473F; padding-left: 1.3rem; }
  ol.fns li { margin-bottom: 0.7rem; line-height: 1.55; }
  ol.fns li:target { background: var(--card); outline: 6px solid var(--card); }
  .colophon {
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--rule);
    font-size: 0.88rem;
    color: var(--faint);
    max-width: 720px;
  }
  .colophon .sig { margin-top: 1.2rem; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; }

  /* reveal */
  @media (prefers-reduced-motion: no-preference) {
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
    .reveal.in { opacity: 1; transform: none; }
    .hero .eyebrow, .hero h1, .hero .hero-sub, .hero .given-rack, .hero .lean, .hero .hero-cta {
      animation: rise 0.7s ease both;
    }
    .hero h1 { animation-delay: 0.08s; }
    .hero .hero-sub { animation-delay: 0.18s; }
    .hero .given-rack { animation-delay: 0.26s; }
    .hero .lean { animation-delay: 0.32s; }
    .hero .hero-cta { animation-delay: 0.44s; }
    @keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
  }

  /* ---------- author block (§5) ---------- */
  .authors {
    margin-top: 2.4rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2.6rem;
    list-style: none;
  }
  .a-name {
    font-family: var(--serif);
    font-size: 1.25rem;
    color: var(--ink);
    text-decoration-color: var(--bronze);
    text-underline-offset: 3px;
  }
  .a-name:hover { color: var(--bronze-deep); }
  .a-sub .qed { color: var(--bronze); }
  .a-sub {
    margin-top: 0.4rem;
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.02em;
    color: var(--faint);
  }

/* ---------- progressive disclosure: shared +/− toggle mechanics ---------- */
details.fn-details summary,
details.glossary summary,
.record-more summary {
  cursor: pointer;
  list-style: none;
  user-select: none;
}
details.fn-details summary::-webkit-details-marker,
details.glossary summary::-webkit-details-marker,
.record-more summary::-webkit-details-marker { display: none; }
details.fn-details summary::after,
details.glossary summary::after,
.record-more summary::after {
  content: " +";
  color: var(--bronze-deep);
}
details.fn-details[open] summary::after,
details.glossary[open] summary::after,
.record-more[open] summary::after { content: " −"; }
details.fn-details summary:hover { color: var(--bronze-deep); }
details.fn-details summary { margin-bottom: 0; }
details.fn-details[open] summary { margin-bottom: 1.4rem; }