/* ============================================================
   Academic Site Stylesheet
   Authority Before Action
   Canonical – Presentation Only
   ============================================================ */

/* -----------------------------
   Base reset
   ----------------------------- */

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  padding: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont,
               "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #222;
  background-color: #ffffff;
  line-height: 1.6;
}

/* -----------------------------
   Header block
   ----------------------------- */

header {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.2rem 1.25rem 0.4rem 1.25rem;
}

.site-mark {
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}

.site-tagline {
  margin-top: 0.25rem;
  font-size: 0.9rem;
  color: #555;
}

/* -----------------------------
   Navigation
   ----------------------------- */

nav {
  margin-top: 0.6rem;
  font-size: 0.9rem;
}

nav a {
  color: #333;
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

nav .nav-sep {
  margin: 0 0.35rem;
  color: #777;
}

/* -----------------------------
   Header separator
   ----------------------------- */

.header-separator {
  border: none;
  border-top: 1px solid #d8d8d8;
  margin: 0.8rem 0 1.6rem 0;
}

/* -----------------------------
   Main content container
   ----------------------------- */

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem 1.25rem;
}

/* -----------------------------
   Headings
   ----------------------------- */

h1 {
  font-size: 2rem;
  font-weight: 600;
  margin: 0 0 1rem 0;
}

h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 2.2rem 0 0.75rem 0;
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.8rem 0 0.6rem 0;
}

/* -----------------------------
   Paragraphs & lists
   ----------------------------- */

p {
  margin: 0 0 1rem 0;
}

ul {
  margin: 0.75rem 0 1.25rem 1.2rem;
  padding: 0;
}

li {
  margin-bottom: 0.4rem;
}

/* -----------------------------
   Horizontal rule (content)
   ----------------------------- */

hr {
  border: none;
  border-top: 1px solid #dcdcdc;
  margin: 2rem 0;
}

/* -----------------------------
   Figures
   ----------------------------- */

figure {
  margin: 2rem 0;
}

figure img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

figcaption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: #555;
}

/* -----------------------------
   Notices & captions
   ----------------------------- */

.notice {
  font-size: 0.85rem;
  color: #555;
  margin-top: 0.75rem;
}

/* -----------------------------
   Footer (if used later)
   ----------------------------- */

footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
  font-size: 0.8rem;
  color: #666;
  border-top: 1px solid #e0e0e0;
}