/* Claire Whiting — site styles */
@import url('https://fonts.googleapis.com/css2?family=Literata:ital,opsz,wght@0,7..72,400;0,7..72,600;1,7..72,400&family=Schibsted+Grotesk:wght@400;500;600&display=swap');

:root {
  --paper: #f2f0f4;
  --surface: #e8e4ec;
  --ink: #23262b;
  --muted: #5d6067;
  --spruce: #234238;
  --heather: #6e4f8a;
  --rule: #d6d0dd;
  --serif: 'Literata', Georgia, serif;
  --sans: 'Schibsted Grotesk', system-ui, sans-serif;
  --measure: 40rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #17191c;
    --surface: #212429;
    --ink: #e7e4ea;
    --muted: #a3a3ab;
    --spruce: #8fc0aa;
    --heather: #c6a8e0;
    --rule: #33363c;
  }
}
:root[data-theme="dark"] {
  --paper: #17191c; --surface: #212429; --ink: #e7e4ea; --muted: #a3a3ab;
  --spruce: #8fc0aa; --heather: #c6a8e0; --rule: #33363c;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.7 var(--serif);
  font-optical-sizing: auto;
}

a { color: var(--spruce); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--heather); }
:focus-visible { outline: 2px solid var(--heather); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: 64rem; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header { padding: 1.5rem 0; }
.site-header .wrap { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.site-name { font: 600 1rem/1 var(--sans); color: var(--ink); text-decoration: none; }
.site-nav { display: flex; gap: 1.25rem; flex-wrap: wrap; font: 500 0.9375rem/1 var(--sans); }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--spruce); }

/* Intro */
.intro { display: grid; grid-template-columns: 1fr 17rem; gap: 3.5rem; align-items: start; padding: 3.5rem 0 4rem; }
.intro h1 {
  font: 600 clamp(2.5rem, 6vw, 4rem)/1.05 var(--sans);
  letter-spacing: -0.02em;
  margin: 0 0 1.75rem;
  color: var(--spruce);
}
.intro p { max-width: var(--measure); margin: 0 0 1rem; }
.intro .lede { font-size: 1.25rem; line-height: 1.55; }
.intro figure { margin: 0; }
.portrait { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 3px; display: block; }
.links { list-style: none; padding: 0; margin: 1.5rem 0 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; font: 500 0.9375rem/1.4 var(--sans); }

/* Language demos — the one memorable element */
.demos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.demo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.75rem 1.75rem 1.5rem;
  background: var(--surface);
  border-left: 3px solid var(--heather);
}
.demo-title { font: 600 1.0625rem/1.3 var(--sans); color: var(--spruce); margin: 0 0 0.4rem; }
.demo-caption { font: 400 0.9375rem/1.5 var(--sans); color: var(--muted); margin: 0 0 1rem; }
.demo-sentence {
  font: 400 italic clamp(1.25rem, 2.4vw, 1.5rem)/1.4 var(--serif);
  margin: 0 0 1.25rem;
  flex-grow: 1;
}
.demo-sentence mark { background: none; color: var(--heather); font-style: normal; font-weight: 600; transition: color .3s; }
.demo-toggle { display: inline-flex; border: 1px solid var(--spruce); border-radius: 3px; overflow: hidden; }
.demo-toggle button {
  font: 500 0.9375rem/1 var(--sans);
  color: var(--spruce);
  background: transparent;
  border: 0;
  padding: 0.65rem 0.9rem;
  cursor: pointer;
}
.demo-toggle button + button { border-left: 1px solid var(--spruce); }
.demo-toggle button:hover { color: var(--heather); }
.demo-toggle button[aria-pressed="true"] { background: var(--spruce); color: var(--paper); }
.demo-toggle button:focus-visible { outline-offset: -4px; outline-color: var(--paper); }

/* Sections */
section { padding: 0 0 4.5rem; }
h2 {
  font: 600 1.5rem/1.2 var(--sans);
  letter-spacing: -0.01em;
  color: var(--spruce);
  margin: 0 0 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
}
h3 { font: 600 1.0625rem/1.35 var(--sans); margin: 0 0 0.35rem; }

.topics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.25rem 3rem; }
.topics p { margin: 0; }

.feature {
  background: var(--spruce);
  color: var(--paper);
  padding: 2rem 2.25rem;
  border-radius: 3px;
  margin: 0 0 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 13rem;
  gap: 2.5rem;
  align-items: center;
}
.feature-text { grid-column: 1; grid-row: 1; }
.feature-photo { grid-column: 2; grid-row: 1; width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 3px; display: block; }
.feature h3 { font-size: 1.375rem; margin-bottom: 0.75rem; }
.feature p { max-width: var(--measure); margin: 0 0 0.9rem; }
.feature p:last-child { margin-bottom: 0; }
.feature a { color: var(--paper); font-family: var(--sans); font-weight: 500; }
.feature a:hover { color: var(--surface); }
.feature a.inline { font-family: inherit; font-weight: inherit; }

.pubs { list-style: none; padding: 0; margin: 0; max-width: 48rem; }
.pubs li { padding-left: 1.5rem; text-indent: -1.5rem; margin-bottom: 1.1rem; }
.pubs .status { color: var(--muted); }

.timeline { margin: 0; display: grid; grid-template-columns: 8rem 1fr; gap: 0.9rem 1.5rem; max-width: 48rem; }
.timeline dt { font: 500 0.9375rem/1.7 var(--sans); color: var(--muted); }
.timeline dd { margin: 0; }
.timeline .where { color: var(--muted); }
.timeline .detail { display: block; margin-top: 0.25rem; color: var(--muted); }

.prose { max-width: var(--measure); }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: 0.4rem; }

.site-footer { padding: 2rem 0 3rem; color: var(--muted); font: 400 0.875rem/1.5 var(--sans); }

/* Guide page */
.article { padding: 3rem 0 4rem; }
.article header h1 { font: 600 clamp(2rem, 5vw, 3rem)/1.1 var(--sans); letter-spacing: -0.02em; color: var(--spruce); margin: 0 0 0.75rem; max-width: 40rem; }
.article header p { color: var(--muted); font-family: var(--sans); margin: 0 0 2.5rem; }
.article h2 { margin-top: 3rem; }
.article h3 { margin-top: 2rem; }
.article figure { margin: 1.5rem 0; }
.article figure img { width: 100%; height: auto; border: 1px solid var(--rule); }
.toc { font-family: var(--sans); font-size: 0.9375rem; background: var(--surface); padding: 1.25rem 1.5rem; margin-bottom: 2.5rem; }
.toc ol { margin: 0.5rem 0 0; padding-left: 1.25rem; }

@media (max-width: 760px) {
  .wrap { padding: 0 1rem; }
  .intro { grid-template-columns: 1fr; gap: 2rem; padding-top: 2rem; }
  .intro figure { order: -1; max-width: 13rem; margin: 0; }
  .topics { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; gap: 0.1rem; }
  .timeline dd { margin-bottom: 1rem; }
  .demos { grid-template-columns: 1fr; }
  .feature { grid-template-columns: 1fr; gap: 1.5rem; padding: 1.5rem 1.25rem; }
  .feature-photo { grid-column: 1; grid-row: auto; max-width: 12rem; }
  .feature-text { grid-row: auto; }
  .demo { padding: 1.5rem 1.25rem; }
}