/* Public Principles pages share the landing-page shell, never the app shell. */
@import url('/css/tokens.css');
@import url('/css/base.css');
@import url('/css/utilities.css');

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  background-image: var(--paper-texture);
  background-size: var(--paper-texture-size);
}
a { color: inherit; }

.public-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 14px 48px;
  background: var(--wash-paper-nav);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-ink-border);
}
.public-nav .nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.public-nav .nav-logo img { width: 36px; height: 36px; mix-blend-mode: multiply; }
.public-nav .nav-logo span {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-ink);
  letter-spacing: 0.03em;
}
.public-nav .nav-links { display: flex; gap: 28px; }
.public-nav .nav-links a {
  font-size: 13px;
  color: var(--color-ink-light);
  text-decoration: none;
  transition: color 150ms ease;
}
.public-nav .nav-links a:hover,
.public-nav .nav-links a.active { color: var(--color-ink); }
.public-nav .nav-cta {
  font-size: 13px;
  color: var(--color-strength);
  padding: 8px 16px;
  border: 1px solid var(--color-strength);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 150ms ease;
}
.public-nav .nav-cta:hover { background: var(--color-strength); color: var(--color-paper); }

.public-page {
  width: min(100% - 48px, 1100px);
  margin: 0 auto;
  padding: 56px 0 80px;
}
.public-content { width: 100%; }
.article-content .card {
  margin: 0;
  padding: var(--space-5);
  background: var(--wash-paper-45);
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
}
.article-content .card-title { margin-bottom: var(--space-3); }
.public-article-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin: 0 0 var(--space-2);
}
.public-footer {
  width: min(100% - 48px, 1100px);
  margin: 0 auto;
  padding: var(--space-5) 0 var(--space-6);
  border-top: 1px solid var(--color-ink-border);
  color: var(--color-ink-light);
  font-size: var(--fs-sm);
  text-align: center;
}
.public-footer a { color: var(--color-strength); text-decoration: none; }

@media (max-width: 920px) {
  .public-nav { padding: 12px 20px; }
  .public-nav .nav-links { display: none; }
  .public-page { width: min(100% - 32px, 760px); padding-top: 36px; }
  .public-footer { width: min(100% - 32px, 760px); }
}

@media (max-width: 480px) {
  .public-nav .nav-cta { padding: 7px 10px; font-size: 12px; }
  .public-nav .nav-logo span { font-size: 20px; }
  .public-page { padding-bottom: 48px; }
  .article-content .card { padding: var(--space-4); }
}