/* vsasset.com — visual language per §9b of the design spec.
   Tokens, typography, koan, layout chrome — all source of truth here.
   Mood-board (2026-04-28-mood-board.html) is the canonical visual reference. */

:root {
  --vs-green:       #1F4D2C;
  --vs-green-soft:  #2E6E3E;
  --ink:            #111;
  --paper:          #fdfdfa;
  --rule:           #d6d3c8;
  --warm-gray:      #6f6a5c;
  --warm-gray-soft: #9b958a;

  --serif: "Palatino", "Palatino Linotype", "Book Antiqua",
           "Source Serif Pro", Georgia, serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Inter",
           "Helvetica Neue", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  font: 17px/1.65 var(--serif);
  color: var(--ink);
  background: var(--paper);
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Mobile guardrail per §9b: long emails / URLs / citations must wrap. */
main, .site-header, .site-footer,
.page, .home-page, .hero, .home-nav,
.koan, .writing-section, .bio-role {
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ---------- Layout ---------- */

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 32px 96px;
}

body.home main { padding-top: 96px; }

/* ---------- Site header (inner pages) ---------- */

.site-header {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 32px 0;
}

.site-mast {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font: 600 14px/1 var(--sans);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--vs-green);
  text-decoration: none;
  border-bottom: none;
  margin: 0 0 28px;
}
.site-mast:hover { color: var(--vs-green-soft); }
.site-logo {
  height: 28px;
  width: auto;
  display: block;
}
.site-mast-text { display: inline-block; }

.site-nav {
  margin: 0 0 0;
  padding: 0 0 28px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 14px;
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 28px;
}
.site-nav a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dotted var(--warm-gray-soft);
  display: inline-block;
  padding-bottom: 1px;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--vs-green);
  border-bottom-color: var(--vs-green);
}

/* ---------- Body typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.005em;
}

h1 {
  font: 600 36px/1.18 var(--serif);
  letter-spacing: -0.015em;
  margin: 0 0 24px;
  color: var(--ink);
  max-width: 22em;
}

h2 {
  font: 600 28px/1.25 var(--serif);
  letter-spacing: -0.012em;
  margin: 56px 0 18px;
}

h3 {
  font: 600 22px/1.3 var(--serif);
  margin: 40px 0 8px;
}

p {
  margin: 0 0 18px;
  max-width: 36em;
}

p.lede { font-size: 19px; color: #2a2825; max-width: 36em; }

a {
  color: var(--vs-green);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
a:hover { color: var(--vs-green-soft); }

article p,
article ul,
article ol { max-width: 36em; }

article ul, article ol {
  margin: 0 0 18px;
  padding-left: 1.4em;
}
article li { margin: 0 0 6px; }

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 40px 0;
  max-width: 36em;
}

em { font-style: italic; }
strong { font-weight: 600; }

/* ---------- Home page ---------- */

.home-page .hero-mast {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0 0 8px;
}
.home-page .hero-mast .hero-logo {
  height: 56px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.home-page .hero-mast h1 {
  margin: 0;
  font-size: 44px;
  letter-spacing: -0.02em;
  max-width: none;
}

.home-page .vintage-marker {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin: 0 0 24px;
}

.home-page .hero p {
  font-size: 19px;
  color: #2a2825;
  max-width: 36em;
}

.home-page .hero-cta {
  margin-top: 24px;
}
.home-page .cta-link {
  font-family: var(--sans);
  font-size: 15px;
  color: var(--vs-green);
  border-bottom: 1px solid currentColor;
  text-decoration: none;
}
.home-page .cta-link:hover { color: var(--vs-green-soft); }

.home-page .home-nav {
  margin-top: 72px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 15px;
}
.home-page .home-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.home-page .home-nav li {
  margin: 0 0 10px;
}
.home-page .home-nav a {
  color: var(--ink);
  border-bottom: 1px dotted var(--warm-gray-soft);
}
.home-page .home-nav a:hover { color: var(--vs-green); border-bottom-color: var(--vs-green); }

/* ---------- Koan (used on /principles/) ---------- */

.koan {
  margin: 32px 0;
  padding: 18px 0 18px 28px;
  border-left: 3px solid var(--vs-green);
  font-style: italic;
  color: #2a2825;
  max-width: 34em;
}
.koan p { margin: 0 0 10px; max-width: none; }
.koan .attribution {
  margin-top: 14px;
  font-style: normal;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--warm-gray);
}
.koan .attribution a {
  color: var(--warm-gray);
  border-bottom: 1px dotted var(--warm-gray-soft);
}
.koan .attribution a:hover { color: var(--vs-green); border-bottom-color: var(--vs-green); }

/* ---------- Contact ---------- */

.contact-address {
  font-style: normal;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  margin: 0 0 24px;
}
.contact-channels {
  font-family: var(--serif);
  margin: 0 0 24px;
}

/* ---------- Bios ---------- */

.bio-role {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--warm-gray);
  letter-spacing: 0.02em;
  margin: 0 0 18px;
  text-transform: none;
}

/* ---------- Writing list ---------- */

.writing-section {
  margin: 56px 0 0;
}
.writing-section h2 {
  margin-top: 0;
}
.writing-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 38em;
}
.writing-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 16px;
}
.writing-list li:last-child { border-bottom: none; }
.writing-list .meta,
.writing-list .desc {
  display: block;
  margin-top: 4px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--warm-gray);
}

/* ---------- Footer ---------- */

.site-footer {
  max-width: 720px;
  margin: 96px auto 0;
  padding: 28px 32px 56px;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 13px;
  color: var(--warm-gray);
}
.site-footer p { max-width: none; margin: 0 0 12px; }
.site-footer .meta a {
  color: var(--warm-gray);
  border-bottom: 1px dotted var(--warm-gray-soft);
}
.site-footer .meta a:hover { color: var(--vs-green); border-bottom-color: var(--vs-green); }
.site-footer .disclaimer {
  font-size: 12px;
  line-height: 1.55;
  color: var(--warm-gray);
}
.site-footer .copyright {
  font-size: 12px;
  color: var(--warm-gray-soft);
  margin-top: 16px;
}
.site-footer .copyright a {
  color: var(--warm-gray-soft);
  border-bottom: 1px dotted var(--warm-gray-soft);
}

/* ---------- Mobile ---------- */

@media (max-width: 600px) {
  main { padding: 32px 20px 64px; }
  body.home main { padding-top: 56px; }
  .site-header { padding: 20px 20px 0; }
  .site-footer { padding: 20px 20px 40px; }

  h1 { font-size: 28px; }
  .home-page .hero h1 { font-size: 32px; }
  h2 { font-size: 22px; margin-top: 40px; }
  h3 { font-size: 18px; }

  .site-nav ul { gap: 0 18px; }
  .site-nav { font-size: 13px; }

  .site-logo { height: 24px; }
  .site-mast { gap: 10px; }
  .home-page .hero-mast .hero-logo { height: 40px; }
  .home-page .hero-mast { gap: 14px; }
  .home-page .hero-mast h1 { font-size: 28px; }
}