:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --soft: #3a3a3a;
  --muted: #6b6b6b;
  --line: #e6e6e6;
  --accent: #0f5a9e;
  --serif: "Newsreader Variable", Georgia, serif;
  --sans: "Inter Variable", system-ui, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  .astro-code,
  .astro-code span {
    color: var(--shiki-dark) !important;
    background-color: var(--shiki-dark-bg) !important;
  }

  :root {
    --bg: #121212;
    --text: #ececec;
    --soft: #c8c8c8;
    --muted: #a0a0a0;
    --line: #2c2c2c;
    --accent: #6fb0ee;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 24px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
}

a {
  color: inherit;
}

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

.page {
  max-width: 680px;
  margin: 0 auto;
  padding: 40px 0 64px;
  display: flex;
  flex-direction: column;
  gap: 72px;
}

/* Header and footer */

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.site-name {
  font-family: var(--serif);
  font-size: 22px;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 15px;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--accent);
  font-weight: 500;
}

.lang {
  color: var(--muted);
}

.lang a[aria-current="true"] {
  color: var(--text);
  font-weight: 600;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  color: var(--muted);
}

/* Content */

main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 48px;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h2 {
  margin: 24px 0 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 28px;
  line-height: 1.25;
}

h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 24px;
  line-height: 1.3;
}

p {
  margin: 0;
}

main p {
  color: var(--soft);
}

.section-label {
  margin: 24px 0 0;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.quote {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.45;
}

.meta {
  font-size: 14px;
  color: var(--muted);
}

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

pre {
  overflow-x: auto;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 14px;
}

/* Blog */

.post-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.post-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.post-list-title {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.3;
}

.blog-entry {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.blog-entry h3 a {
  text-decoration: none;
}

.post {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Resume, talks and projects */

.entries {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.entries li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.entries h3 {
  font-size: 20px;
}

.entries-org {
  font-size: 15px;
}

.entries-description {
  margin-top: 8px;
}

.entries h3 a {
  text-decoration: none;
}

.entries-links {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  font-size: 15px;
}

/* Contact form */

form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 15px;
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.form-input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.btn {
  min-height: 44px;
  padding: 0 24px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: var(--bg);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.btn.no-print {
  align-self: flex-start;
}

@media print {
  :root {
    --bg: #ffffff;
    --text: #000000;
    --soft: #222222;
    --muted: #555555;
    --line: #cccccc;
  }

  body {
    padding: 0;
    font-size: 11pt;
  }

  .page {
    max-width: none;
    padding: 0;
    gap: 24px;
  }

  .site-nav,
  .site-footer,
  .no-print {
    display: none;
  }

  .entries li {
    break-inside: avoid;
  }
}