:root {
    --ivory: #F7F3EA;
    --page: #FBF8F1;
    --hunter: #1F4D2E;
    --cover: #143521;
    --cover-deep: #0E2718;
    --gold: #A9853B;
    --gold-bright: #C4A96B;
    --gold-text: #79602A;
    --ink: #211E19;
    --ink-soft: #57503F;
    --hairline: #DCD2BB;
    --display: "Bodoni Moda", "Didot", serif;
    --body: "Source Serif 4", Georgia, serif;
    --utility: "Work Sans", "Helvetica Neue", sans-serif;
    /* Paper grain: genuine 1/f fractal noise, barely there. */
    --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.13 0 0 0 0 0.12 0 0 0 0 0.10 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--ivory);
    color: var(--ink);
    font-family: var(--body);
    font-size: 1.0625rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  img { max-width: 100%; height: auto; display: block; }
  :focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

  .eyebrow {
    font-family: var(--utility);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.34em;
    text-transform: uppercase;
  }
  .numeral {
    font-family: var(--display);
    font-style: italic;
    font-weight: 400;
    font-size: 1.6rem;
    color: var(--gold);
  }

  /* ---------------- the cover ---------------- */
  .cover {
    background:
      var(--grain),
      radial-gradient(120% 90% at 50% 0%, var(--hunter) 0%, var(--cover) 58%, var(--cover-deep) 100%);
    color: var(--ivory);
    text-align: center;
    padding: clamp(3.5rem, 9vh, 6.5rem) 1.25rem clamp(5rem, 12vh, 8rem);
    position: relative;
  }
  /* Gilt frame: one quiet double rule, not jewelry. */
  .cover::after {
    content: "";
    position: absolute;
    inset: 14px;
    border: 1px solid rgba(196, 169, 107, 0.55);
    outline: 1px solid rgba(196, 169, 107, 0.18);
    outline-offset: 5px;
    pointer-events: none;
  }
  .cover .mark {
    width: min(34rem, 84vw);
    margin: 0 auto;
  }
  .cover .eyebrow { color: var(--gold-bright); margin-top: 2.6rem; }
  .wordmark {
    font-family: var(--display);
    font-weight: 500;
    font-size: clamp(1.55rem, 5.5vw, 4.1rem);
    letter-spacing: clamp(0.06em, 1vw, 0.16em);
    margin-top: 1rem;
    line-height: 1.08;
    color: var(--ivory);
  }
  .wordmark .tld {
    display: block;
    font-size: 0.85rem;
    letter-spacing: 0.5em;
    color: var(--gold-bright);
    margin-top: 0.7rem;
    padding-left: 0.5em;
  }
  .cover-rule {
    width: 6rem; height: 1px; border: 0;
    background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);
    margin: 2.2rem auto;
  }
  .cover .tagline {
    font-family: var(--body);
    font-style: italic;
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    max-width: 30em;
    margin: 0 auto;
    color: #EDE8D8;
  }
  .cover .sub {
    max-width: 34em;
    margin: 1.1rem auto 0;
    font-size: 1rem;
    color: #BFC7B4;
  }
  .cta {
    display: inline-block;
    margin-top: 2.4rem;
    background: var(--gold);
    color: var(--cover-deep);
    text-decoration: none;
    font-family: var(--utility);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    padding: 1.1rem 2.6rem;
    border-radius: 2px;
    transition: background-color 150ms ease, transform 150ms ease;
  }
  .cta:hover { background: var(--gold-bright); }
  .cover .beta-note {
    margin-top: 1rem;
    font-family: var(--utility);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: #93A08C;
  }

  /* The seal: one deliberate asymmetry, stamped across the cover/page seam. */
  .seam { position: relative; height: 0; }
  .seam img {
    position: absolute;
    left: 61.8%;
    top: -3.4rem;
    width: 6.8rem;
    height: 6.8rem;
    background: var(--page);
    border-radius: 50%;
    box-shadow: 0 10px 28px -12px rgba(14, 39, 24, 0.55);
    transform: rotate(-4deg);
  }

  /* ---------------- the pages ---------------- */
  .page-section {
    background: var(--grain), linear-gradient(var(--page), var(--page));
    padding: clamp(4rem, 9vw, 6.5rem) 1.25rem;
  }
  .page-section.alt { background: var(--grain), linear-gradient(var(--ivory), var(--ivory)); }
  .page-inner { max-width: 62rem; margin: 0 auto; }
  .section-head {
    display: flex;
    align-items: baseline;
    gap: 1.1rem;
    border-bottom: 1px solid var(--gold);
    padding-bottom: 0.9rem;
    margin-bottom: 2.6rem;
  }
  .section-head h2 {
    font-family: var(--display);
    font-weight: 500;
    font-size: clamp(1.5rem, 3.4vw, 2.2rem);
    letter-spacing: 0.06em;
  }
  .section-head .eyebrow { color: var(--gold-text); margin-left: auto; text-align: right; }

  .lede { font-size: clamp(1.08rem, 2vw, 1.2rem); max-width: 42em; }
  .lede::first-letter {
    font-family: var(--display);
    font-size: 3.1em;
    line-height: 0.82;
    float: left;
    padding-right: 0.12em;
    color: var(--hunter);
  }

  /* ---------------- the ledger spread ---------------- */
  .ledger-wrap { margin-top: 2.8rem; }
  .ledger {
    background: var(--page);
    border: 1px solid var(--hairline);
    box-shadow: 0 24px 60px -38px rgba(33, 30, 25, 0.5);
    padding: clamp(1.5rem, 4vw, 3rem);
    position: relative;
    overflow-x: auto;
  }
  .ledger::before {
    /* gilt page edge */
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--gold-bright), var(--gold), var(--gold-bright));
  }
  .ledger .eyebrow { color: var(--gold-text); display: block; text-align: center; }
  .ledger h3 {
    font-family: var(--display);
    font-weight: 500;
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    letter-spacing: 0.14em;
    text-align: center;
    margin-top: 0.6rem;
  }
  .ledger .date {
    text-align: center;
    font-style: italic;
    color: var(--ink-soft);
    font-size: 0.95rem;
    margin-top: 0.3rem;
  }
  .ledger table {
    width: 100%;
    min-width: 34rem;
    border-collapse: collapse;
    margin-top: 2rem;
    font-variant-numeric: tabular-nums;
  }
  .ledger th {
    font-family: var(--utility);
    font-size: 0.64rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-soft);
    text-align: right;
    padding: 0 0.4rem 0.55rem;
    border-bottom: 1px solid var(--gold);
  }
  .ledger th:first-child { text-align: left; padding-left: 0; }
  .ledger td {
    padding: 0.7rem 0.4rem;
    border-bottom: 1px solid var(--hairline);
    text-align: right;
    font-size: 1.02rem;
  }
  .ledger td:first-child { text-align: left; padding-left: 0; }
  .ledger tr:last-child td { border-bottom: 0; }
  .ledger .up { color: var(--hunter); font-weight: 600; }
  .ledger .win td {
    background: linear-gradient(90deg, rgba(169, 133, 59, 0.10), rgba(169, 133, 59, 0.02));
    font-weight: 600;
  }
  .ledger .win .money { color: var(--gold-text); }
  .ledger .money { font-weight: 600; }
  .ledger-note {
    margin-top: 1.7rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--gold);
    font-style: italic;
    color: var(--ink-soft);
    font-size: 0.95rem;
    text-align: center;
  }

  /* ---------------- entries (features as ledger lines) ---------------- */
  .entries { list-style: none; margin-top: 0.6rem; }
  .entries li {
    display: grid;
    grid-template-columns: 3.2rem 1fr;
    gap: 1.4rem;
    padding: 1.7rem 0;
    border-bottom: 1px solid var(--hairline);
    align-items: baseline;
  }
  .entries li:last-child { border-bottom: 0; }
  .entries h3 {
    font-family: var(--display);
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: 0.03em;
    margin-bottom: 0.35rem;
  }
  .entries p { color: var(--ink-soft); max-width: 46em; }

  /* ---------------- two-column phi spread ---------------- */
  .spread {
    display: grid;
    grid-template-columns: 1fr 1.618fr;
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: center;
  }
  .spread .art { text-align: center; }
  .spread .art img { width: 100%; max-width: 20rem; margin: 0 auto; }
  .spread h2 {
    font-family: var(--display);
    font-weight: 500;
    font-size: clamp(1.5rem, 3.2vw, 2.1rem);
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
  }
  .spread p { color: var(--ink-soft); margin-bottom: 0.9rem; }
  .spread .quota-math {
    font-family: var(--body);
    font-style: italic;
    color: var(--ink);
    border-left: 2px solid var(--gold);
    padding-left: 1.1rem;
    margin-top: 1.4rem;
  }

  /* ---------------- back cover ---------------- */
  .back-cover {
    background:
      var(--grain),
      radial-gradient(120% 100% at 50% 100%, var(--hunter) 0%, var(--cover) 55%, var(--cover-deep) 100%);
    color: var(--ivory);
    text-align: center;
    padding: clamp(4.5rem, 10vh, 7rem) 1.25rem clamp(4rem, 9vh, 6rem);
    position: relative;
  }
  .back-cover::after {
    content: "";
    position: absolute;
    inset: 14px;
    border: 1px solid rgba(196, 169, 107, 0.55);
    outline: 1px solid rgba(196, 169, 107, 0.18);
    outline-offset: 5px;
    pointer-events: none;
  }
  .back-cover .badge { width: 7.5rem; margin: 0 auto 1.8rem; }
  .back-cover h2 {
    font-family: var(--display);
    font-weight: 500;
    font-size: clamp(1.7rem, 4vw, 2.6rem);
    letter-spacing: 0.05em;
    max-width: 22em;
    margin: 0 auto;
  }
  .back-cover .line {
    font-style: italic;
    color: #BFC7B4;
    margin-top: 1.1rem;
  }
  /* ---------------- invite form ---------------- */
  .invite-form {
    max-width: 24rem;
    margin: 2.4rem auto 0;
    display: grid;
    gap: 0.9rem;
    text-align: center;
  }
  .invite-form input {
    font-family: var(--body);
    font-size: 1rem;
    color: var(--ink);
    background: var(--page);
    border: 1px solid rgba(196, 169, 107, 0.45);
    border-radius: 2px;
    padding: 0.85rem 1rem;
    width: 100%;
  }
  .invite-form input::placeholder { color: #8B8570; }
  .invite-form .cta { margin-top: 0.4rem; border: 0; cursor: pointer; width: 100%; }
  .invite-form .form-msg { min-height: 1.4em; font-style: italic; color: var(--gold-bright); margin: 0; }
  .invite-form.sent input, .invite-form.sent .cta { display: none; }
  .invite-form.sent .form-msg { font-size: 1.15rem; }
  .hp { position: absolute; left: -6000px; top: 0; height: 1px; width: 1px; opacity: 0; }
  .visually-hidden {
    position: absolute; width: 1px; height: 1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
  }

  .back-cover .foot {
    margin-top: 4rem;
    font-family: var(--utility);
    font-size: 0.66rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: #7E8C77;
  }
  .back-cover .foot a { color: #BFC7B4; text-decoration: none; border-bottom: 1px solid rgba(196,169,107,.5); }

  /* ---------------- motion: additive only ---------------- */
  html.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 650ms ease, transform 650ms ease; }
  html.js .reveal.in { opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    html.js .reveal { opacity: 1; transform: none; transition: none; }
  }

  /* ---------------- responsive ---------------- */
  @media (max-width: 56rem) {
    .spread { grid-template-columns: 1fr; }
    .spread .art { order: -1; }
    .seam img { left: auto; right: 8%; width: 5.4rem; height: 5.4rem; top: -2.7rem; }
  }
  @media (max-width: 36rem) {
    .entries li { grid-template-columns: 1fr; gap: 0.3rem; padding: 1.4rem 0; }
    .section-head { flex-wrap: wrap; }
    .section-head .eyebrow { margin-left: 0; text-align: left; width: 100%; order: -1; }
    .cover::after, .back-cover::after { inset: 8px; outline: none; }
  }
/* ---------------- site nav ---------------- */
.site-nav {
  background: var(--ivory);
  border-bottom: 1px solid var(--gold);
}
.site-nav-inner {
  max-width: 66rem;
  margin: 0 auto;
  padding: 0.7rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.site-nav .brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
  margin-right: auto;
}
.site-nav .brand img { width: 2rem; height: 2rem; }
.site-nav .brand span {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: 0.18em;
  font-size: 0.95rem;
}
.site-nav a.nav-link {
  font-family: var(--utility);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--hunter);
  text-decoration: none;
  padding: 0.4rem 0;
}
.site-nav a.nav-link:hover { color: var(--gold-text); }
.site-nav a.nav-cta {
  font-family: var(--utility);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cover-deep);
  background: var(--gold);
  text-decoration: none;
  padding: 0.55rem 1.1rem;
  border-radius: 2px;
}
@media (max-width: 40rem) {
  .site-nav-inner { gap: 0.9rem; }
  .site-nav .brand span { display: none; }
}

/* ---------------- library cards (homepage) ---------------- */
.library {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}
.library a {
  display: block;
  background: var(--page);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--gold);
  padding: 1.6rem 1.6rem 1.4rem;
  text-decoration: none;
  color: var(--ink);
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.library a:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px -24px rgba(33,30,25,0.5);
}
.library h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  margin-bottom: 0.4rem;
}
.library p { color: var(--ink-soft); font-size: 0.97rem; margin: 0; }
.library .read {
  display: inline-block;
  margin-top: 0.9rem;
  font-family: var(--utility);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-text);
}
@media (max-width: 40rem) { .library { grid-template-columns: 1fr; } }