:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #6b7280;
  --line: #e9ecef;
  --accent: #2563eb;
  --max-width: 980px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3 {
  margin: 0;
}

.site {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 20px 0 72px;
}

.topbar,
.intro,
.skills,
.footer {
  border-bottom: 1px solid var(--line);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 0 16px;
}

.mark {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.toplinks {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.toplinks a,
.footer-link {
  color: var(--muted);
  transition: color 140ms ease;
}

.toplinks a:hover,
.toplinks a:focus-visible,
.footer-link:hover,
.footer-link:focus-visible {
  color: var(--accent);
}

.intro {
  padding: 44px 0 40px;
}

.intro h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.intro p {
  max-width: 520px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 1rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  padding: 40px 0 0;
}

.column {
  min-width: 0;
}

.block + .block {
  margin-top: 40px;
}

.label {
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.copy,
.card p,
.entry-body p,
.skills-grid p,
.footer p {
  color: var(--muted);
  font-size: 0.96rem;
}

.project-list {
  display: grid;
  gap: 14px;
}

.card {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.card h2,
.entry-body h2 {
  font-size: 1rem;
  font-weight: 600;
}

.card p {
  margin-top: 8px;
}

.project-meta,
.entry-body .meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.entry {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  padding: 0 0 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.date {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.entry-body .meta {
  margin-top: 2px;
  margin-bottom: 6px;
}

.skills {
  padding: 40px 0;
  margin-top: 40px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.skills-grid h3 {
  margin-bottom: 12px;
  font-size: 0.92rem;
  font-weight: 600;
}

.skills-grid p + p {
  margin-top: 6px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0 0;
  border-bottom: 0;
}

@media (max-width: 760px) {
  .content-grid,
  .skills-grid,
  .entry,
  .footer {
    grid-template-columns: 1fr;
  }

  .topbar,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .content-grid {
    gap: 36px;
  }

  .entry {
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .toplinks a,
  .footer-link {
    transition: none;
  }
}