/* Alexander Berg – site styles. Accent: the night blue of the portrait background. */

@font-face {
  font-family: "P052";
  src: url("../fonts/p052-roman.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "P052";
  src: url("../fonts/p052-italic.woff2") format("woff2");
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "P052";
  src: url("../fonts/p052-bold.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}

:root {
  --accent: #1b2638;
  --accent-soft: #4a5a75;
  --accent-faint: #a9b3c4;
  --text: #22252b;
  --muted: #5a606b;
  --rule: #dcd8cf;
  --bg: #fbfaf7;
  --bg-tint: #f2f0ea;
  --measure: 40rem;
  --wide: 66rem;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  font-family: "P052", "Palatino Linotype", Palatino, "Book Antiqua", serif;
  font-size: 106.25%; /* 17px */
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}
body { margin: 0; }

.wrap { max-width: var(--wide); margin: 0 auto; padding: 0 1.25rem; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3 { font-weight: 400; color: var(--accent); line-height: 1.2; }
h1 { font-size: 2.4rem; margin: 0 0 0.2rem; letter-spacing: 0.01em; }
h2 { font-size: 1.5rem; margin: 3.5rem 0 0.6rem; }
h3 { font-size: 1.05rem; margin: 0 0 0.8rem; }
p { margin: 0 0 0.9rem; }

.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: #fff; padding: 0.5rem 1rem; }
.skip:focus { left: 0.5rem; z-index: 10; }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); }
.header-inner { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.4rem 2rem; padding-top: 1.1rem; padding-bottom: 1.1rem; }
.site-name { font-size: 1.2rem; color: var(--accent); text-decoration: none; letter-spacing: 0.04em; }
.site-header ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.2rem 1.2rem; }
.site-header nav a { text-decoration: none; color: var(--muted); font-size: 0.95rem; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--accent); text-decoration: underline; }

main.wrap { padding-top: 2.5rem; padding-bottom: 4rem; }

/* Home: intro */
.intro { display: grid; grid-template-columns: 11rem 1fr; gap: 1.5rem 2.5rem; align-items: start; }
.portrait img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 30%; border-radius: 2px; background: var(--accent); }
.intro-text { max-width: var(--measure); }
.subtitle { color: var(--muted); font-size: 1.05rem; margin-bottom: 1.4rem; letter-spacing: 0.02em; }
.intro-links { margin-top: 1.4rem; font-size: 0.95rem; }

.lead { color: var(--muted); max-width: var(--measure); }
.more { margin-top: 1.2rem; font-size: 0.95rem; }
.more a::after { content: " →"; }

/* Work Diary */
.diary { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-top: 1.6rem; }
.stage { border-top: 3px solid var(--accent); padding-top: 0.9rem; }
.stage-review { border-top-color: var(--accent-soft); }
.stage-published { border-top-color: var(--accent-faint); }
.stage h3 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); }
.stage ul { list-style: none; margin: 0; padding: 0; }
.entry { padding: 0 0 1.1rem; margin: 0 0 1.1rem; border-bottom: 1px solid var(--rule); font-size: 0.95rem; line-height: 1.45; }
.entry:last-child { border-bottom: 0; margin-bottom: 0; }
.entry > span { display: block; }
.entry-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 0.15rem; }
.entry-title { font-style: italic; color: var(--text); }
.entry-title a { color: inherit; text-decoration-color: var(--accent-faint); }
.entry-note, .entry-status, .entry-more { color: var(--muted); margin-top: 0.25rem; }
.entry-status { font-style: italic; }
.entry-date { color: var(--muted); font-size: 0.8rem; margin-top: 0.35rem; letter-spacing: 0.02em; }

/* Conference series teaser */
.home-series { max-width: var(--measure); }
.home-series p:first-of-type { font-size: 1rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); color: var(--muted); font-size: 0.85rem; padding: 1.5rem 0 2.5rem; }
.site-footer p { margin: 0.2rem 0; }
.site-footer a { color: var(--muted); }


/* Inner pages */
.lead + .diary { margin-top: 1rem; }
.prose { max-width: var(--measure); }
.toc { font-size: 0.9rem; color: var(--muted); margin: 0.5rem 0 1rem; line-height: 1.9; }
.biblio { list-style: none; margin: 0; padding: 0; max-width: 46rem; }
.biblio li { padding-left: 1.2rem; text-indent: -1.2rem; margin: 0 0 0.7rem; }
.biblio a { word-break: break-word; }
h2.year { font-size: 1.15rem; margin-top: 2.2rem; }
cite { font-style: italic; }
.archive { margin-top: 1rem; }
.archive-list { list-style: none; margin: 0; padding: 0; max-width: var(--measure); }
.contact-mail { font-size: 1.2rem; }

/* Conferences */
.conf { margin-top: 3.5rem; padding-top: 1.2rem; border-top: 1px solid var(--rule); max-width: 46rem; }
.conf h2 { margin-top: 0; }
.conf-city { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 0.3rem; }
.conf-meta { color: var(--muted); }
.conf-facts { display: grid; grid-template-columns: 1fr; gap: 0.1rem 1.2rem; margin: 1rem 0; font-size: 0.95rem; }
.conf-facts dt { color: var(--accent); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.5rem; }
.conf-facts dd { margin: 0; }
details.talks { border: 1px solid var(--rule); border-radius: 3px; background: var(--bg-tint); }
details.talks summary { cursor: pointer; padding: 0.6rem 0.9rem; color: var(--accent); }
details.talks ul { list-style: none; margin: 0; padding: 0.2rem 0.9rem 0.9rem; font-size: 0.95rem; }
details.talks li { margin: 0 0 0.5rem; }
.talk-day { color: var(--accent); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; margin-top: 1rem !important; }
.talk-speaker { font-weight: 700; }
.talk-tag { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }

/* Selected texts */
.texts { list-style: none; margin: 1rem 0 0; padding: 0; max-width: var(--measure); }
.text-entry { margin-bottom: 1.4rem; }
.text-entry > span { display: block; }
.text-version, .text-cite { color: var(--muted); font-size: 0.9rem; margin-top: 0.2rem; }
.text-links { margin-top: 0.3rem; font-size: 0.95rem; }

@media (min-width: 48rem) {
  .conf-facts { grid-template-columns: 9rem 1fr; }
  .conf-facts dt { margin-top: 0.15rem; }
}

@media (min-width: 48rem) {
  .intro { grid-template-columns: 15rem 1fr; gap: 3rem; }
  h1 { font-size: 2.8rem; margin-top: 0.4rem; }
  .diary { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
}

@media (max-width: 30rem) {
  html { font-size: 100%; }
  .intro { grid-template-columns: 1fr; }
  .portrait { max-width: 12rem; }
  h1 { font-size: 2.1rem; }
}

@media print {
  .site-header nav, .skip, .site-footer, .more, .intro-links { display: none; }
  html { background: #fff; font-size: 11pt; }
  .wrap { max-width: none; padding: 0; }
  main { padding: 0; }
  a { color: inherit; text-decoration: none; }
  .diary { grid-template-columns: repeat(3, 1fr); }
  .stage, .entry, .biblio li { break-inside: avoid; }
  details.talks { border: 0; background: none; }
  details.talks summary { padding-left: 0; }
  .toc { display: none; }
}