:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #5c5c5c;
  --border: #e6e6e6;
  --accent: #3f4fd0;
  --accent-hover: #2f3db8;
  --radius: 10px;
  --wrap: 45rem;
  --header-h: 4rem;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.5rem 0.75rem;
  background: var(--text);
  color: var(--surface);
  border-radius: 6px;
}

.skip-link:focus {
  top: 0.75rem;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.logo {
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  margin: 0;
  padding: 0.4rem 0.7rem;
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle:hover {
  border-color: #cfcfcf;
}

.site-nav ul {
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
}

.site-nav a[aria-current="page"] {
  font-weight: 600;
}

main {
  flex: 1;
  padding: 2.75rem 0 4rem;
}

.hero {
  margin-bottom: 2.75rem;
}

.kicker {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
h2,
h3 {
  letter-spacing: -0.03em;
  line-height: 1.2;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.85rem, 4vw, 2.4rem);
  font-weight: 700;
}

h2 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
}

h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.lede,
.summary {
  margin: 0;
  color: var(--muted);
  max-width: 40rem;
}

.lede {
  font-size: 1.15rem;
}

.hero .summary {
  margin-top: 1.1rem;
}

.hero .meta {
  margin-top: 0.65rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: #cfcfcf;
}

.section {
  margin-top: 2.75rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.meta {
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.role-block {
  margin: 0 0 1.5rem;
}

.role-block h3 {
  margin-bottom: 0.15rem;
}

.job-list {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.job-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}

.job-list .dates {
  color: var(--muted);
  font-size: 0.92rem;
}

.engagement {
  margin: 0 0 1.75rem;
}

.engagement ul {
  margin: 0.5rem 0 0.65rem;
  padding-left: 1.15rem;
}

.engagement li + li {
  margin-top: 0.35rem;
}

.tech {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.skills {
  margin: 0;
  padding: 0;
  list-style: none;
}

.skills li {
  display: grid;
  grid-template-columns: 10.5rem 1fr;
  gap: 0.75rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.skills strong {
  font-weight: 600;
}

.plain-list {
  margin: 0;
  padding-left: 1.15rem;
}

.plain-list li + li {
  margin-top: 0.4rem;
}

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.contact-list .icon {
  color: var(--muted);
}

.note {
  margin: 1.25rem 0 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

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

@media (max-width: 720px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .skills li {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--header-h);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 1.5rem 1rem;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0.15rem;
  }

  .site-nav a {
    display: block;
    padding: 0.45rem 0;
  }
}