/* minimal reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f9f9f7;
  --text: #1a1a1a;
  --accent: #2d6a4f;
  --accent-soft: rgba(45, 106, 79, 0.1);
  --rule: rgba(26, 26, 26, 0.1);
  --muted: rgba(26, 26, 26, 0.5);
  --focus: #2d6a4f;
}

.dark {
  --bg: #121212;
  --text: #e5e5e5;
  --accent: #4a9d76;
  --accent-soft: rgba(74, 157, 118, 0.1);
  --rule: rgba(229, 229, 229, 0.1);
  --muted: rgba(229, 229, 229, 0.5);
  --focus: #4a9d76;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s ease, color 0.3s ease;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 6rem 1.5rem;
}

@media (min-width: 768px) {
  main {
    padding: 8rem 1.5rem;
  }
}

/* theme toggle */
#theme-toggle {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 50;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

#theme-toggle:hover {
  background-color: var(--accent-soft);
}

#theme-toggle:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* navigation */
nav {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875rem;
  margin-bottom: 4rem;
  display: flex;
  flex-wrap: wrap;
  column-gap: 1.5rem;
  row-gap: 0.5rem;
}

/* links */
a {
  color: inherit;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
  transition: text-decoration-color 0.2s ease;
}

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

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

/* horizontal rules */
hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin-bottom: 4rem;
}

/* sections */
section {
  margin-bottom: 5rem;
  scroll-margin-top: 6rem;
}

/* intro label */
.intro-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

/* headings */
h1 {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1.875rem;
  line-height: 1.2;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.25rem;
  }
}

h2 {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875rem;
  margin-bottom: 2rem;
  color: var(--accent);
}

/* standout line */
.standout {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1.5rem;
  line-height: 1.3;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .standout {
    font-size: 1.875rem;
  }
}

/* body text blocks */
.content {
  font-size: 1rem;
  line-height: 1.625;
}

.content > * + * {
  margin-top: 1rem;
}

.content ul {
  list-style-type: disc;
  list-style-position: inside;
  margin-left: 0.25rem;
}

.content ul li + li {
  margin-top: 0.25rem;
}

/* resume button */
.btn-outline {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875rem;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.btn-outline:hover {
  background-color: var(--accent-soft);
}

.btn-outline:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* footer */
footer .links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

footer p {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.75rem;
  color: var(--muted);
}