/* The Pulse Letter — shared styles for legal / utility pages.
   Tokens mirror the inline design system in index.html. */
:root {
  --paper:      #f8f6f0;
  --paper-2:    #f1eee4;
  --surface:    #ffffff;
  --ink:        #17231d;
  --ink-soft:   #4c5a52;
  --ink-faint:  #7a8880;
  --line:       #e6e2d6;
  --brand:      #15564a;
  --brand-dark: #0f3f37;
  --brand-soft: #e3efe9;
  --brand-tint: #eef5f1;
  --accent:     #dd7a45;
  --accent-soft:#f7e9df;

  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --s-1: 0.5rem;
  --s-2: 0.75rem;
  --s-3: 1rem;
  --s-4: 1.5rem;
  --s-5: 2rem;
  --s-6: 3rem;
  --s-7: 4.5rem;
  --s-8: 6.5rem;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(23,35,29,.04), 0 4px 14px rgba(23,35,29,.05);
  --shadow-md: 0 6px 18px rgba(23,35,29,.07), 0 24px 48px rgba(23,35,29,.08);
  --shadow-cta: 0 10px 24px rgba(21,86,74,.28);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  display: flex; flex-direction: column; min-height: 100vh;
}
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.08; letter-spacing: -0.015em; margin: 0; }
p { margin: 0; }
a { color: var(--brand); text-decoration-color: color-mix(in srgb, var(--brand) 35%, transparent); text-underline-offset: 3px; }
img, svg { max-width: 100%; display: block; }

.container { width: min(1120px, 100% - 2.5rem); margin-inline: auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans);
  font-size: 0.74rem; font-weight: 600;
  letter-spacing: 0.11em; text-transform: uppercase;
  color: var(--brand);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 7px 14px; border-radius: 999px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 999px; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.kicker { font-family: var(--sans); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: var(--s-2); }

/* ---------- Header ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
header.site.scrolled { border-bottom-color: var(--line); }
header.site .bar { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.mark {
  width: 36px; height: 36px; border-radius: 11px;
  background: var(--brand); color: #fff;
  display: grid; place-items: center; flex: none;
  box-shadow: var(--shadow-sm);
}
.mark svg { width: 21px; height: 21px; }
.brand-name { font-family: var(--display); font-weight: 600; font-size: 1.18rem; letter-spacing: -0.01em; }
.nav-cta {
  font-family: var(--sans); font-weight: 600; font-size: 0.92rem;
  color: #fff; background: var(--brand);
  padding: 9px 18px; border-radius: 999px; text-decoration: none;
  transition: background .15s ease, transform .15s ease;
}
.nav-cta:hover { background: var(--brand-dark); transform: translateY(-1px); }

/* ---------- Page head band ---------- */
.page-head {
  padding: var(--s-7) 0 var(--s-6);
  background:
    radial-gradient(1100px 520px at 50% -30%, var(--brand-tint) 0%, transparent 62%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper) 70%, var(--paper-2) 100%);
  border-bottom: 1px solid var(--line);
}
.page-head h1 { font-size: clamp(2.1rem, 5.4vw, 3.2rem); margin: var(--s-4) 0 var(--s-3); max-width: 22ch; }
.page-head p.lede { font-size: clamp(1rem, 2.2vw, 1.14rem); color: var(--ink-soft); max-width: 52ch; line-height: 1.6; }
.updated { margin-top: var(--s-4); font-size: 0.84rem; color: var(--ink-faint); }

/* ---------- Prose ---------- */
main { flex: 1 0 auto; }
.prose { padding: var(--s-6) 0 var(--s-7); }
.prose .container { max-width: 760px; }
.prose section + section { margin-top: var(--s-6); padding-top: var(--s-6); border-top: 1px solid var(--line); }
.prose h2 { font-size: clamp(1.35rem, 3vw, 1.75rem); margin-bottom: var(--s-3); }
.prose h3 { font-family: var(--sans); font-weight: 700; font-size: 1rem; letter-spacing: 0; margin: var(--s-4) 0 var(--s-1); }
.prose p { color: var(--ink-soft); font-size: 1.02rem; }
.prose p + p { margin-top: var(--s-3); }
.prose ul { margin: var(--s-3) 0 0; padding: 0; list-style: none; }
.prose ul li {
  position: relative; padding: 10px 0 10px 32px;
  color: var(--ink-soft); font-size: 1rem; line-height: 1.55;
  border-bottom: 1px solid var(--line);
}
.prose ul li:last-child { border-bottom: none; }
.prose ul li::before {
  content: ""; position: absolute; left: 2px; top: 13px;
  width: 20px; height: 20px; border-radius: 6px;
  background: var(--brand-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2315564a' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}
.prose ul li strong { color: var(--ink); }
.note {
  font-size: 0.9rem; color: var(--ink-soft); line-height: 1.6;
  background: var(--brand-tint); border-left: 3px solid var(--brand);
  border-radius: 0 12px 12px 0; padding: 14px 16px; margin-top: var(--s-4);
}
.note strong { color: var(--ink); }
.note.warn { background: var(--accent-soft); border-left-color: var(--accent); }
.toc {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  padding: var(--s-4) var(--s-5); margin-bottom: var(--s-6);
}
.toc h2 { font-family: var(--sans); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.09em; color: var(--ink-faint); margin-bottom: var(--s-2); }
.toc ol { margin: 0; padding-left: 1.15rem; color: var(--ink-soft); font-size: 0.96rem; }
.toc li { margin-top: 4px; }

/* ---------- 404 ---------- */
.notfound {
  flex: 1 0 auto; display: flex; align-items: center; text-align: center;
  padding: var(--s-8) 0;
  background:
    radial-gradient(1100px 620px at 50% -12%, var(--brand-tint) 0%, transparent 62%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper) 60%, var(--paper-2) 100%);
}
.notfound .code { font-family: var(--display); font-weight: 700; font-size: clamp(4rem, 16vw, 8rem); line-height: 1; color: var(--brand); letter-spacing: -0.03em; }
.notfound h1 { font-size: clamp(1.9rem, 5vw, 2.8rem); margin: var(--s-3) auto var(--s-3); max-width: 20ch; }
.notfound p.sub { color: var(--ink-soft); max-width: 46ch; margin: 0 auto var(--s-5); font-size: 1.06rem; }
.btn-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  font-family: var(--sans); font-weight: 600; font-size: 1rem;
  padding: 15px 28px; border-radius: 14px; text-decoration: none;
  transition: background .15s ease, transform .12s ease, border-color .15s ease;
}
.btn-primary { color: #fff; background: var(--brand); box-shadow: var(--shadow-cta); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-2px); }
.btn-ghost { color: var(--brand); background: var(--surface); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--brand); transform: translateY(-2px); }
.notfound .pulse-line { max-width: 320px; margin: var(--s-6) auto 0; opacity: .55; }

/* ---------- Footer ---------- */
footer.site { background: var(--ink); color: #cdd6d0; padding: var(--s-7) 0 var(--s-6); }
footer.site .foot-brand { display: inline-flex; align-items: center; gap: 11px; margin-bottom: var(--s-4); }
footer.site .foot-brand .brand-name { color: #fff; }
footer.site .foot-brand .mark { background: rgba(255,255,255,.1); }
.disclosure { font-size: 0.84rem; line-height: 1.65; max-width: 760px; }
.disclosure h4 { font-family: var(--sans); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.09em; color: #fff; margin: 0 0 6px; }
.disclosure > div + div { margin-top: var(--s-4); }
.disclosure p { color: #aab6af; }
.foot-links {
  margin-top: var(--s-5); padding-top: var(--s-4);
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center;
  font-size: 0.86rem;
}
.foot-links a { color: #cdd6d0; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.22); padding-bottom: 1px; }
.foot-links a:hover { color: #fff; border-bottom-color: #fff; }
.copyright { margin-top: var(--s-4); font-size: 0.82rem; color: #8f9c94; }