:root {
  color-scheme: light;
  --paper: #fff;
  --ink: #202321;
  --muted: #565d58;
  --rule: #cbd0cb;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.wrap { width: min(1200px, calc(100% - 6rem)); margin-inline: auto; }
a { color: inherit; text-underline-offset: 5px; }
a:focus-visible { outline: 2px solid var(--ink); outline-offset: 6px; }
section { scroll-margin-top: 28px; }
h1, h2, p { margin: 0; }
p + p { margin-top: 18px; }

/* Header: logo row, then nav — never squeeze 4 links beside logo */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  column-gap: 2rem;
  row-gap: 0.75rem;
  padding-top: 28px;
  padding-bottom: 0;
  border-bottom: 1px solid var(--ink);
}
.logo {
  flex: 1 1 16rem;
  display: block;
  padding-bottom: 14px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  border-bottom: none;
}
nav {
  flex: 1 1 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 1.75rem;
  padding-bottom: 12px;
}
nav a {
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
}
nav a:hover { color: var(--ink); text-decoration: underline; }

.hero { padding-block: 64px 40px; }
h1 {
  max-width: 1030px;
  margin: 0;
  font-size: clamp(44px, 5.2vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.045em;
  font-weight: 500;
}

/* One reading-column geometry — shared by prose + section heads */
.offset,
.section-head {
  width: auto;
  max-width: 65ch;
  margin-left: 25%;
  margin-right: auto;
}
.hero .offset { margin-top: 32px; }
.lede {
  font-size: 22px;
  line-height: 1.45;
  letter-spacing: -0.012em;
}

/* Quiet H2: tight to following body; larger gap above sections */
h2.section-head {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.offset > p:first-child { margin-top: 0; }

.scenario { margin-top: 2.75rem; padding-top: 0; }
.lead-in {
  margin-top: 1.5rem !important;
  color: var(--muted);
  font-size: 15px;
}

/* Ledger full width — outside reading constraint */
.ledger {
  width: 100%;
  max-width: none;
  box-sizing: border-box;
  padding: 0;
  margin: 1.25rem 0 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}
.ledger li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
  font-size: 20px;
  line-height: 1.45;
  max-width: none;
}
.ledger li:last-child { border-color: var(--ink); }

.work,
.partnership,
.contact {
  margin-top: 3rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--rule);
}
.limits {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
}
.limits .offset p { font-size: 15px; line-height: 1.55; }
.limits-inline {
  margin-top: 1.5rem !important;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.contact { padding-bottom: 3.5rem; }
.button {
  display: inline-block;
  margin-top: 1.25rem;
  border: 1px solid var(--ink);
  padding: 11px 18px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
}
.button:hover { background: var(--ink); color: var(--paper); }

.site-footer {
  padding-block: 18px 28px;
  border-top: 1px solid var(--rule);
}
.site-footer p { color: var(--muted); font-size: 12px; }

/* Below ~900px: flatten reading column; fluid gutters */
@media (max-width: 900px) {
  .wrap { width: min(1200px, calc(100% - 3rem)); }
  .offset,
  .section-head {
    max-width: none;
    margin-left: 0;
  }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 2.5rem); }
  .logo { font-size: 15px; flex-basis: 100%; }
  nav { gap: 1rem 1.25rem; }
  .hero { padding-block: 48px 32px; }
  h1 { font-size: clamp(36px, 8vw, 52px); }
  .hero .offset { margin-top: 24px; }
  .lede { font-size: 19px; }
  .ledger li { font-size: 17px; padding-block: 0.9rem; }
  .work,
  .partnership,
  .contact {
    margin-top: 2.25rem;
    padding-top: 1.75rem;
  }
  .contact { padding-bottom: 2.75rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}