/* All colors, fonts and borders live as custom properties on :root,
   so themes can be added later by swapping variables. */

:root {
  --bg: #fdf6e3;          /* warm paper */
  --fg: #2b2b26;          /* soft near-black */
  --accent: #b3541e;      /* burnt orange */
  --accent-fg: #fdf6e3;
  --muted: #6b6a60;
  --border: #d8cfb8;
  --card-bg: #fffdf5;

  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-heading: Georgia, "Times New Roman", serif;

  --radius: 6px;
  --border-width: 1px;
  --max-width: 42rem;
  --space: 1rem;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: var(--space);
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
}

header,
main,
footer {
  max-width: var(--max-width);
  margin-inline: auto;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  line-height: 1.25;
}

h1 {
  margin-bottom: 0;
}

.tagline {
  color: var(--muted);
  font-style: italic;
  margin-top: 0.25rem;
}

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

a:hover {
  text-decoration-thickness: 2px;
}

/* Visible focus for keyboard users */
a:focus-visible,
.skip-link:focus {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  background: var(--accent);
  color: var(--accent-fg);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
}

.skip-link:focus {
  left: var(--space);
  top: var(--space);
  z-index: 1;
}

section {
  margin-block: calc(var(--space) * 2);
}

.project-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--space);
}

.project {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius);
  padding: var(--space);
}

.project h3 {
  margin: 0 0 0.25rem;
}

.project p {
  margin: 0.25rem 0;
}

.links {
  color: var(--muted);
  font-size: 0.95rem;
}

.writing-list,
.contact-list {
  padding-left: 1.25rem;
}

footer {
  border-top: var(--border-width) solid var(--border);
  margin-top: calc(var(--space) * 3);
  padding-top: var(--space);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (min-width: 48rem) {
  body {
    padding: calc(var(--space) * 2);
  }
}