:root {
  --ink: #0f1216;
  --ink-2: #161b21;
  --rule: #2a323c;
  --slate: #8b97a5;
  --slate-2: #6d7986;
  --paper: #eef1f4;
  --molten: #d9803f;
  --brass: #c2a06a;
  --measure: 68ch;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: ui-sans-serif, -apple-system, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 var(--pad); }

a { color: var(--paper); text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--molten); }

/* ---------- masthead ---------- */

header.mast {
  border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--ink) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
}
.mast .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 68px; flex-wrap: wrap;
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.2rem; letter-spacing: .01em;
  text-decoration: none; white-space: nowrap;
}
.wordmark .mark { color: var(--molten); }
nav.top { display: flex; gap: clamp(1rem, 3vw, 2rem); font-size: .875rem; }
nav.top a {
  text-decoration: none; color: var(--slate);
  text-transform: uppercase; letter-spacing: .11em;
}
nav.top a:hover { color: var(--paper); }

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

.hero { padding: clamp(4rem, 12vw, 8.5rem) 0 clamp(3rem, 8vw, 5rem); border-bottom: 1px solid var(--rule); }
.eyebrow {
  font-family: var(--mono); font-size: .75rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--brass); margin: 0 0 1.5rem;
}
h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.25rem, 1.3rem + 4.2vw, 4.5rem);
  line-height: 1.06; letter-spacing: -0.015em;
  margin: 0 0 1.5rem; max-width: 18ch;
}
h1 em { font-style: italic; color: var(--molten); }
.lede { font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.3rem); color: var(--slate); max-width: 54ch; margin: 0; }

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

section { padding: clamp(3.5rem, 9vw, 6rem) 0; border-bottom: 1px solid var(--rule); }
.sect-head {
  display: grid; grid-template-columns: 1fr; gap: .5rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}
h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem);
  line-height: 1.2; margin: 0; letter-spacing: -0.01em;
}
.sect-num {
  font-family: var(--mono); font-size: .75rem; letter-spacing: .18em;
  color: var(--slate-2); text-transform: uppercase;
}

.grid { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 720px) { .grid.two { grid-template-columns: 1fr 1fr; } }
.cell { background: var(--ink); padding: clamp(1.5rem, 4vw, 2.25rem); }
.cell h3 {
  font-size: 1.0625rem; margin: 0 0 .625rem; letter-spacing: .005em;
  display: flex; align-items: baseline; gap: .75rem;
}
.cell h3 .idx { font-family: var(--mono); font-size: .75rem; color: var(--molten); }
.cell p { margin: 0; color: var(--slate); }

/* ---------- principles ---------- */

.principles { display: grid; gap: clamp(1.75rem, 4vw, 2.5rem); }
@media (min-width: 760px) { .principles { grid-template-columns: repeat(3, 1fr); } }
.principle { border-top: 2px solid var(--molten); padding-top: 1.25rem; }
.principle h3 { font-family: var(--serif); font-weight: 400; font-size: 1.25rem; margin: 0 0 .625rem; }
.principle p { margin: 0; color: var(--slate); font-size: .96875rem; }

/* ---------- prose ---------- */

.prose { max-width: var(--measure); }
.prose p { color: var(--slate); }
.prose p + p { margin-top: 1.1em; }
.prose h2 { color: var(--paper); margin-top: 2.5rem; }
.prose h3 { font-size: 1.0625rem; margin: 2rem 0 .5rem; }
.prose ul { color: var(--slate); padding-left: 1.25rem; }
.prose li + li { margin-top: .4rem; }

/* ---------- company details ---------- */

.details { display: grid; gap: 1.25rem 2.5rem; margin: 0; }
@media (min-width: 620px) { .details { grid-template-columns: max-content 1fr; } }
.details dt {
  font-family: var(--mono); font-size: .75rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--slate-2); padding-top: .2rem;
}
.details dd { margin: 0; }

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

footer { padding: clamp(2.5rem, 6vw, 3.5rem) 0; color: var(--slate-2); font-size: .875rem; }
footer .rows { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: baseline; }
footer nav { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; }
footer a { color: var(--slate); text-decoration: none; }
footer a:hover { color: var(--paper); text-decoration: underline; text-decoration-color: var(--molten); }

.mail { font-family: var(--mono); font-size: .9375rem; color: var(--brass); text-decoration: none; word-break: break-all; }
.mail:hover { text-decoration: underline; text-decoration-color: var(--molten); }

.back { display: inline-block; margin-bottom: 2rem; font-family: var(--mono); font-size: .75rem;
        letter-spacing: .14em; text-transform: uppercase; color: var(--slate); text-decoration: none; }
.back:hover { color: var(--molten); }

.updated { font-family: var(--mono); font-size: .75rem; letter-spacing: .1em;
           text-transform: uppercase; color: var(--slate-2); margin-bottom: 2.5rem; }