:root {
  color-scheme: light;

  /* Palette (neutral grays + a single blue accent) */
  --color-bg: #ffffff;
  --color-surface: #f9fafb;
  --color-border: #e5e7eb;
  --color-heading: #111827;
  --color-text: #374151;
  --color-text-soft: #4b5563;
  --color-text-muted: #6b7280;
  --color-link: #1e3a8a;
  --color-link-hover: #1d4ed8;
  --color-link-visited: #1e40af;

  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif, "Apple Color Emoji", "Segoe UI Emoji";

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;

  --radius: 0.5rem;
  --max-width: 56rem;
  --breakpoint-lg: 64rem;
}

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  padding: var(--space-5);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

svg {
  display: block;
}

ul {
  list-style: none;
  padding: 0;
}

a {
  color: var(--color-link);
  text-decoration: underline;
  transition: color 0.2s ease;
}

a:visited {
  color: var(--color-link-visited);
}

a:hover {
  color: var(--color-link-hover);
  text-decoration: none;
}

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

.page {
  max-width: var(--max-width);
  margin-inline: auto;
}

.intro {
  margin-bottom: var(--space-8);
}

.intro h1 {
  font-size: clamp(2.5rem, 6vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-heading);
  margin-bottom: var(--space-5);
}

.intro p {
  font-size: 1.25rem;
  color: var(--color-text-soft);
  margin-bottom: var(--space-4);
}

.intro p:last-child {
  margin-bottom: 0;
}

.work > h2 {
  font-size: 1.875rem;
  font-weight: 600;
  color: var(--color-heading);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-6);
}

.columns {
  display: grid;
  gap: var(--space-6);
}

.column {
  display: grid;
  gap: var(--space-6);
  align-content: start;
}

@media (min-width: 64rem) {
  .columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
}

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius);
  padding: var(--space-5);
}

.card h3 {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: var(--space-4);
}

.card h3 a {
  color: var(--color-link);
  text-decoration: underline;
}

.card h3 a:visited {
  color: var(--color-link-visited);
}

.card h3 a:hover {
  color: var(--color-link-hover);
  text-decoration: none;
}

.icon {
  flex: none;
  width: 1.25rem;
  height: 1.25rem;
}

.card ul {
  display: grid;
  gap: var(--space-3);
}

.card li {
  line-height: 1.5;
}

.entry-title {
  font-weight: 500;
  color: var(--color-heading);
}

.entry-meta {
  display: block;
  margin-top: var(--space-1);
  font-size: 0.875rem;
  color: var(--color-text-soft);
}

.card--list ul {
  gap: var(--space-2);
}

.card--list li {
  font-size: 0.875rem;
}

.contact {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.contact h2 {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text-soft);
  margin-bottom: var(--space-6);
}

.contact nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
}

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

.contact a:visited {
  color: var(--color-text-muted);
}

.contact a:hover {
  color: var(--color-heading);
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}