:root {
  --bg: oklch(96.3% 0.002 197.1);
  --text: oklch(21% 0.004 220);
  --secondary: oklch(45% 0.006 220);
  --muted: oklch(62% 0.008 220);
  --border: oklch(89% 0.003 197.1);
  --hover-bg: oklch(93.5% 0.003 197.1);
  --sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    monospace;
}

:root[data-theme="dark"] {
  --bg: oklch(20% 0.022 262);
  --text: oklch(92% 0.006 250);
  --secondary: oklch(72% 0.014 255);
  --muted: oklch(52% 0.018 258);
  --border: oklch(29% 0.024 262);
  --hover-bg: oklch(24% 0.023 262);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem 0;
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s ease, color 0.2s ease;
}

::selection {
  background: var(--text);
  color: var(--bg);
}

a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--muted);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s ease, color 0.15s ease;
}

a:hover {
  text-decoration-color: var(--text);
}

:focus-visible {
  outline: 1.5px solid var(--text);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ---------- header ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 4.5rem;
}

.wordmark {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-header nav a {
  font-size: 0.82rem;
  color: var(--secondary);
  text-decoration: none;
}

.site-header nav a:hover {
  color: var(--text);
}

#theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--secondary);
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

#theme-toggle:hover {
  color: var(--text);
  background: var(--hover-bg);
}

.icon-moon {
  display: none;
}

:root[data-theme="dark"] .icon-moon {
  display: block;
}

:root[data-theme="dark"] .icon-sun {
  display: none;
}

/* ---------- intro ---------- */

.intro {
  margin-bottom: 4.5rem;
}

.intro h1 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.intro .role {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0.15rem 0 1.6rem;
}

.intro p {
  color: var(--secondary);
}

.intro p strong {
  color: var(--text);
  font-weight: 500;
}

.intro p + p {
  margin-top: 0.9rem;
}

.intro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.intro-links a {
  font-size: 0.82rem;
  color: var(--secondary);
  text-decoration: none;
}

.intro-links a:hover {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* ---------- sections ---------- */

section {
  margin-bottom: 4.25rem;
}

h2 {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 1.4rem;
}

/* ---------- entries (shared) ---------- */

.entry {
  padding: 0.9rem 0.9rem;
  margin: 0 -0.9rem;
  border-radius: 8px;
  transition: background 0.15s ease;
}

.entry:hover {
  background: var(--hover-bg);
}

.entry + .entry {
  margin-top: 0.35rem;
}

.entry-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
}

.entry h3 {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.entry h3 .role {
  color: var(--secondary);
  font-weight: 400;
}

.entry .when {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
}

.entry .links {
  display: flex;
  gap: 0.9rem;
  flex-shrink: 0;
}

.entry .links a {
  font-size: 0.8rem;
  color: var(--secondary);
  text-decoration: none;
}

.entry .links a:hover {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.entry .tech {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

.entry .desc {
  font-size: 0.88rem;
  color: var(--secondary);
  margin-top: 0.45rem;
}

.entry ul {
  margin-top: 0.6rem;
  padding-left: 1.05rem;
}

.entry ul li {
  font-size: 0.88rem;
  color: var(--secondary);
  margin-bottom: 0.3rem;
}

.entry ul li strong {
  color: var(--text);
  font-weight: 500;
}

.entry ul li::marker {
  color: var(--muted);
}

.more-link {
  margin-top: 1.1rem;
  padding: 0 0.9rem;
}

.more-link a {
  font-size: 0.82rem;
  color: var(--secondary);
  text-decoration: none;
}

.more-link a:hover {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* ---------- contact ---------- */

#contact p {
  color: var(--secondary);
  max-width: 52ch;
}

#contact .email {
  margin-top: 1.1rem;
}

#contact .email a {
  color: var(--text);
  font-weight: 500;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.6rem;
}

.contact-links a {
  font-size: 0.82rem;
  color: var(--secondary);
  text-decoration: none;
}

.contact-links a:hover {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* ---------- footer ---------- */

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  border-top: 1px solid var(--border);
  padding: 1.25rem 0 2rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--text);
}

/* ---------- inner pages ---------- */

.page-title {
  margin-bottom: 3rem;
}

.page-title h1 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.page-title p {
  color: var(--secondary);
  max-width: 55ch;
}

/* ---------- misc ---------- */

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

  html {
    scroll-behavior: auto;
  }
}

@media (max-width: 540px) {
  body {
    padding: 2rem 1.25rem 0;
  }

  .site-header {
    margin-bottom: 3.5rem;
  }

  .entry-head {
    flex-wrap: wrap;
  }
}