:root {
  color-scheme: light dark;
  --ink: #16202a;
  --muted: #5c6874;
  --paper: #f7f3e8;
  --surface: rgba(255, 255, 255, 0.76);
  --line: rgba(22, 32, 42, 0.14);
  --accent: #db4b2f;
  --accent-dark: #9e2c1b;
  --grid: rgba(22, 32, 42, 0.06);
  --shadow: 0 24px 70px rgba(50, 35, 20, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: Charter, "Iowan Old Style", "Palatino Linotype", serif;
  line-height: 1.65;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    radial-gradient(circle at 15% 12%, rgba(219, 75, 47, 0.14), transparent 26rem),
    var(--paper);
  background-size: 32px 32px, 32px 32px, auto, auto;
}

a {
  color: var(--accent-dark);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

.shell {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 72px;
  font-family: ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
}

.brand {
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.document {
  padding: clamp(28px, 7vw, 64px);
  border: 1px solid var(--line);
  border-radius: 2px 32px 2px 32px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(2.45rem, 9vw, 5.25rem);
  line-height: 0.98;
}

.lede {
  max-width: 54ch;
  margin: 28px 0 52px;
  color: var(--muted);
  font-size: 1.16rem;
}

h2 {
  margin: 46px 0 10px;
  font-size: 1.35rem;
}

ul {
  padding-left: 1.2rem;
}

li + li {
  margin-top: 0.55rem;
}

.callout {
  margin: 34px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--accent);
  background: rgba(219, 75, 47, 0.08);
}

.contact-card {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-family: ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  font-weight: 700;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.5);
}

footer {
  margin-top: 30px;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2eee5;
    --muted: #b8b0a4;
    --paper: #12181d;
    --surface: rgba(28, 36, 43, 0.86);
    --line: rgba(242, 238, 229, 0.13);
    --accent: #ff765b;
    --accent-dark: #ff8c75;
    --grid: rgba(242, 238, 229, 0.035);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  }

  .contact-card {
    background: rgba(255, 255, 255, 0.04);
  }
}

@media (max-width: 520px) {
  .site-nav {
    align-items: flex-start;
    margin-bottom: 38px;
  }

  .nav-links {
    flex-direction: column;
    gap: 4px;
    text-align: right;
  }

  .document {
    border-radius: 2px 22px 2px 22px;
  }
}

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