/* ------------------------------------------------------------------
   alfonsoeromero — site styles
   A notebook: unruled paper, wide margins, space instead of lines.
   ------------------------------------------------------------------ */

:root {
  --paper:      #faf9f6;
  --ink:        #2b3033;
  --ink-soft:   #4a5255;
  --muted:      #8a908f;
  --accent:     #2f6b58;
  --heading:    #1f5647;
  --rule:       #e6e4dd;

  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --sans:  "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  padding: 0 2rem 6rem;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 68rem;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
}

.sidebar {
  flex: 0 0 14rem;
  margin-right: 5.5rem;
}

.column {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 43rem;
  padding-bottom: 4rem;
  min-height: 68vh;
}

/* ---------------------------- masthead --------------------------- */

.sidebar {
  position: sticky;
  top: 6rem;
  padding: 6rem 0 0;
}

.sidebar .name {
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  margin: 0;
  line-height: 1.4;
  color: var(--ink-soft);
}

.sidebar .name a {
  color: inherit;
  text-decoration: none;
  border-bottom: 0;
}

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

nav {
  margin: 1.75rem 0 0;
  font-family: var(--sans);
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav li { margin: 0 0 0.55rem; }

nav a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 0;
}

nav a:hover { color: var(--accent); }
nav [aria-current="page"] { color: var(--ink); }

/* ---------------------------- content ---------------------------- */

main { padding-top: 6rem; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.3;
  color: var(--heading);
}

h3 { color: var(--ink); }

h1 {
  font-size: 1.75rem;
  margin: 0 0 2.25rem;
  letter-spacing: -0.005em;
}

h2 {
  font-size: 1.375rem;
  margin: 4rem 0 1.25rem;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 2.5rem 0 0.75rem;
}

p { margin: 0 0 1.5rem; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid #cddcd5;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

a:not([href]) { color: inherit; border-bottom: 0; }

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

ul, ol { padding-left: 1.4rem; margin: 0 0 1.6rem; }
li { margin-bottom: 0.7rem; }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 5rem 0;
  width: 4rem;
}

/* -------------------------- lead statement ----------------------- */

.lead {
  font-size: 1.4375rem;
  line-height: 1.5;
  font-weight: 400;
  color: var(--ink);
  margin: 0 0 3rem;
  max-width: 26ch;
  text-wrap: balance;
}

/* page notes: small apparatus lines under a heading */

.pagenote {
  font-family: var(--sans);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
  margin: -1.5rem 0 0;
}

.pagenote + .pagenote { margin-top: 0.2rem; }

.pagenote strong { font-weight: 500; color: var(--ink-soft); }

/* ---------------------------- register --------------------------- */

.register {
  font-family: var(--sans);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 4rem 0 0;
  color: var(--ink-soft);
}

.register div {
  display: flex;
  padding: 0.45rem 0;
}

.register .key {
  color: var(--muted);
  flex: 0 0 7rem;
  padding-right: 1rem;
  font-size: 0.8125rem;
}

.register .val { margin: 0; }

/* ------------------------- notes listing ------------------------- */

.listing { list-style: none; padding: 0; margin: 0; }

.listing > li {
  padding: 0;
  margin: 0 0 3.25rem;
}

.listing .title { font-size: 1.1875rem; line-height: 1.4; }

.listing .meta {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-top: 0.35rem;
}

.listing .summary {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
  font-size: 1.0625rem;
}

/* dense apparatus: publication lists */

.refs {
  font-family: var(--sans);
  font-size: 0.96875rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.refs li { margin-bottom: 1.4rem; }

/* ---------------------------- figures ---------------------------- */

img { max-width: 100%; height: auto; border: 0; }

.portrait {
  float: right;
  width: 180px;
  height: auto;
  border-radius: 2px;
  margin: 0.4rem 0 1.75rem 2.75rem;
}

.mediaright {
  float: right;
  max-width: 160px;
  margin: 0.5rem 0 1.25rem 2rem;
}

/* ---------------------------- mobile ----------------------------- */

@media (max-width: 960px) {
  .page {
    display: block;
    max-width: 40rem;
  }
  .sidebar {
    position: static;
    flex: none;
    margin-right: 0;
    padding-top: 3.5rem;
  }
  .column { max-width: none; min-height: 0; }
  nav { margin-top: 0.9rem; }
  nav ul { display: flex; flex-wrap: wrap; }
  nav li { margin: 0 1.4rem 0.3rem 0; }
  main { padding-top: 4rem; }
}

@media (max-width: 640px) {
  body { padding: 0 1.35rem 3rem; font-size: 1.0625rem; line-height: 1.7; }
  .sidebar { padding-top: 3rem; }
  main { padding-top: 3.25rem; }
  h1 { font-size: 1.4375rem; margin-bottom: 1.75rem; }
  h2 { margin-top: 3rem; }
  .lead { font-size: 1.25rem; max-width: none; }
  .portrait, .mediaright { float: none; display: block; margin: 0 0 1.75rem; }
  .register div { flex-direction: column; padding: 0.6rem 0; }
  .register .key { flex: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}