* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "JetBrains Mono", ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
  background: #e8dfd4;
  color: #1a1a1a;
  padding: 1.5rem 1.5rem 3rem;
  line-height: 1.65;
}

main {
  max-width: 42rem;
  width: 100%;
  margin: 0 auto;
}

header {
  margin-bottom: 2.5rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.02em;
}

.tagline {
  color: #333;
  font-size: 1.1rem;
  margin: 0 0 0.35rem 0;
  font-weight: 500;
}

.keywords {
  color: #555;
  font-size: 0.95rem;
  margin: 0 0 1rem 0;
}

.intro {
  margin: 0 0 1.5rem 0;
  color: #333;
}

.links {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.links a {
  color: #1a1a1a;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border: 1px solid rgba(0, 0, 0, 0.25);
  border-radius: 6px;
  background: #e6ded4;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s, box-shadow 0.15s;
}

.links a:hover {
  color: #1a1a1a;
  border-color: rgba(0, 0, 0, 0.4);
  background: #e2dad0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.links a:focus-visible {
  outline: 2px solid #1a1a1a;
  outline-offset: 2px;
}

.dark-mode-btn {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 100;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border: 1px solid rgba(0, 0, 0, 0.25);
  border-radius: 6px;
  background: #e6ded4;
  color: #1a1a1a;
  cursor: pointer;
  -webkit-appearance: button;
  appearance: button;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.15s, color 0.15s, background 0.15s, box-shadow 0.15s;
}

.dark-mode-btn:hover {
  border-color: rgba(0, 0, 0, 0.4);
  background: #e2dad0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.dark-mode-btn:focus-visible {
  outline: 2px solid #1a1a1a;
  outline-offset: 2px;
}

.content-section {
  display: none;
  margin-bottom: 2.5rem;
}

.content-section.visible {
  display: block;
}

.content-section.hidden {
  display: none !important;
}

section {
  margin-bottom: 2.5rem;
}

section h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.01em;
}

section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.25rem 0 0.5rem 0;
}

section h3:first-child {
  margin-top: 0;
}

.work-list {
  list-style: none;
  padding-left: 0;
  margin-top: 0.5rem;
  font-weight: normal;
}

.work-list li {
  margin-bottom: 0.5rem;
}

.work-list strong {
  font-weight: 600;
}

#work .work-dates {
  font-weight: normal;
  color: #666;
  font-size: 0.9em;
}

.posts-list {
  list-style: none;
  padding-left: 0;
  margin-top: 0.5rem;
}

.posts-list li {
  margin-bottom: 0.5rem;
}

.post-date {
  color: #666;
  font-size: 0.9em;
}

.contact-links {
  list-style: none;
  padding-left: 0;
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.contact-links a {
  display: inline-block;
  color: #1a1a1a;
  text-decoration: none;
  font-size: 0.8rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid #e0d9d0;
  border-radius: 4px;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.contact-links a:hover {
  color: #333;
  border-color: #1a1a1a;
  background: #ebe6e0;
}

.contact-links a:focus-visible {
  outline: 2px solid #1a1a1a;
  outline-offset: 2px;
}

section p {
  margin: 0 0 0.75rem 0;
}

section ul {
  margin: 0 0 0.75rem 0;
  padding-left: 1.35rem;
}

section li {
  margin-bottom: 0.35rem;
}

section ul.skills {
  list-style: none;
  padding-left: 0;
}

section ul.skills li {
  margin-bottom: 0.5rem;
}

section ul.impact li {
  margin-bottom: 0.5rem;
}

section a {
  color: #1a1a1a;
  text-decoration: underline;
  text-underline-offset: 2px;
}

section a:hover {
  color: #333;
}

section a:focus-visible {
  outline: 2px solid #1a1a1a;
  outline-offset: 2px;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.2);
}

footer p {
  margin: 0;
  color: #555;
  font-size: 0.95rem;
  font-style: italic;
}

/* Dark mode */
body.dark {
  background: #1a1a1b;
  color: #e4e2de;
}

body.dark .tagline {
  color: #c9c6c0;
}

body.dark .keywords,
body.dark .intro {
  color: #b0ada8;
}

body.dark .links a {
  color: #e4e2de;
  border-color: rgba(255, 255, 255, 0.25);
  background: #2a2a2b;
}

body.dark .links a:hover {
  color: #e4e2de;
  border-color: rgba(255, 255, 255, 0.45);
  background: #353536;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

body.dark .links a:focus-visible {
  outline-color: #e4e2de;
}

body.dark .dark-mode-btn {
  color: #e4e2de;
  border-color: rgba(255, 255, 255, 0.25);
  background: #2a2a2b;
}

body.dark .dark-mode-btn:hover {
  border-color: rgba(255, 255, 255, 0.45);
  background: #353536;
}

body.dark .dark-mode-btn:focus-visible {
  outline-color: #e4e2de;
}

body.dark #work .work-dates,
body.dark .post-date {
  color: #9a9792;
}

body.dark .contact-links a {
  color: #e4e2de;
  border-color: rgba(255, 255, 255, 0.2);
  background: #2a2a2b;
}

body.dark .contact-links a:hover {
  color: #e4e2de;
  border-color: rgba(255, 255, 255, 0.4);
  background: #353536;
}

body.dark .contact-links a:focus-visible {
  outline-color: #e4e2de;
}

body.dark section a {
  color: #c4b8ff;
}

body.dark section a:hover {
  color: #d9d0ff;
}

body.dark section a:focus-visible {
  outline-color: #c4b8ff;
}

body.dark .section-note {
  color: #9a9792;
}

body.dark footer {
  border-top-color: rgba(255, 255, 255, 0.15);
}

body.dark footer p {
  color: #9a9792;
}