:root {
  --chalk: #f3f4ef;
  --ink: #16202a;
  --cobalt: #2f4bde;
  --moss: #4f6b55;
  --line: #cbd0c6;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --chalk: #14191f;
    --ink: #eceee8;
    --cobalt: #8fa2ff;
    --moss: #9db8a2;
    --line: #2e3740;
    color-scheme: dark;
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}
body {
  margin: 0;
  background: var(--chalk);
  color: var(--ink);
  font: 1.0625rem/1.65 var(--sans);
}
a {
  color: var(--cobalt);
  text-underline-offset: 0.2em;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--cobalt);
  outline-offset: 3px;
  border-radius: 2px;
}
.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--chalk);
  padding: 0.6rem 1rem;
  z-index: 20;
}
.skip:focus {
  left: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem clamp(1rem, 5vw, 3rem);
  background: var(--chalk);
  border-bottom: 1px solid var(--line);
}
.brand {
  font: 700 1.2rem var(--serif);
  color: var(--ink);
  text-decoration: none;
}
nav a {
  color: var(--ink);
  text-decoration: none;
  margin-left: 1.5rem;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
nav a:hover,
nav a.active {
  border-bottom-color: var(--cobalt);
}
.menu-btn {
  display: none;
  font: inherit;
  background: none;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 0.35rem 0.8rem;
  border-radius: 4px;
}

main {
  max-width: 70rem;
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 3rem);
}
section {
  padding: 4.5rem 0;
  border-top: 1px solid var(--line);
}
.hero {
  border-top: 0;
  padding: clamp(4rem, 12vw, 9rem) 0 5rem;
}
h1 {
  font: 700 clamp(2.4rem, 7vw, 4.8rem) / 1.06 var(--serif);
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  max-width: 16ch;
}
.hero-sub {
  font-size: 1.25rem;
  max-width: 60rem;
  margin: 0 0 2rem;
}
h2 {
  font: 700 clamp(1.8rem, 4vw, 2.4rem) / 1.15 var(--serif);
  margin: 0 0 1.5rem;
}
h3 {
  font: 700 1.2rem/1.3 var(--serif);
  margin: 0 0 0.4rem;
}
.prose {
  max-width: 60rem;
  flex: 1;
}
.prose p {
  margin: 0 0 1rem;
}

.profile {
  display: flex;
  align-items: flex-start;
  gap: 25px;
}
.profile-image {
  flex: 0 0 250px;
}
.profile-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.btn {
  display: inline-block;
  background: var(--ink);
  color: var(--chalk);
  padding: 0.8rem 1.4rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  margin: 0 0.6rem 0.6rem 0;
}
.btn:hover {
  background: var(--cobalt);
  color: #fff;
}
.btn.ghost {
  background: none;
  color: var(--ink);
  border: 2px solid var(--ink);
}
.btn.ghost:hover {
  background: var(--ink);
  color: var(--chalk);
}

.projects {
  list-style: none;
  margin: 0;
  padding: 0;
}
.projects li {
  display: grid;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
.projects li:first-child {
  padding-top: 0;
}
.projects h3 a {
  color: var(--ink);
}
.projects h3 a:hover {
  color: var(--cobalt);
}
.projects p {
  margin: 0 0 0.4rem;
  max-width: 40rem;
}
.tags {
  color: var(--moss);
  font-size: 0.95rem;
  font-weight: 600;
}

.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 2.5rem;
}
.skills ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.skills li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line);
}

.email {
  font: 700 clamp(1.3rem, 4vw, 1.9rem) var(--serif);
}
.copy {
  font: 600 0.9rem var(--sans);
  margin-left: 0.8rem;
  background: none;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
}
.copy:hover {
  background: var(--ink);
  color: var(--chalk);
}
.note {
  min-height: 1.5rem;
  color: var(--moss);
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem clamp(1rem, 5vw, 3rem);
  max-width: 70rem;
  margin: 0 auto;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 4rem;
}
.site-footer nav a {
  margin: 0;
}
.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
}
.site-footer p {
  margin: 1.5rem 0 0;
  font-size: 0.9rem;
  opacity: 0.8;
}

@media (max-width: 640px) {
  .menu-btn {
    display: block;
  }
  #nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--chalk);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem clamp(1rem, 5vw, 3rem) 1rem;
  }
  #nav.open {
    display: flex;
    flex-direction: column;
  }
  #nav a {
    margin: 0;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--line);
  }
  .profile {
    flex-direction: column;
  }
  .profile-image {
    flex: none;
    width: 100%;
    max-width: 300px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
@media print {
  .site-header,
  .menu-btn,
  .copy {
    display: none;
  }
}