/*
 * Personal site styles. One file, easy to tweak.
 * Color + type tokens live in :root below.
 */

:root {
  --bg: #fbf9f4;          /* warm paper */
  --surface: #ffffff;
  --ink: #2b2a26;         /* near-black, warm */
  --muted: #5f5b52;       /* ~5.5:1 on paper */
  --line: #e7e2d6;
  --accent: #456346;      /* garden green, stronger contrast */
  --accent-dark: #3c5640;
  --tag-bg: #efeadd;
  --radius: 14px;
  --maxw: 760px;
  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* In-content links stay underlined for clear affordance. */
.prose a, .lede a { text-decoration: underline; }

/* Visible keyboard focus (not shown on mouse click). */
a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent-dark);
  outline-offset: 2px;
  border-radius: 4px;
}

h1, h2, h3 { font-family: var(--serif); line-height: 1.2; color: var(--ink); }
h1 { font-size: 2.4rem; margin: 0 0 .5rem; }
h2 { font-size: 1.6rem; margin: 0 0 1rem; }
h3 { font-size: 1.2rem; }

.eyebrow { color: var(--muted); letter-spacing: .04em; margin: 0 0 .25rem; font-size: .95rem; }
.lede { font-size: 1.15rem; color: var(--ink); }
.prose p { margin: 0 0 1rem; }
code { background: var(--tag-bg); padding: .1em .4em; border-radius: 6px; font-size: .9em; }

/* Skip link for accessibility */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: #fff; padding: 10px 16px; z-index: 10;
}
.skip-link:focus { left: 8px; top: 8px; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.nav { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }
.brand { font-family: var(--serif); font-size: 1.4rem; font-weight: 700; color: var(--ink); }
.brand:hover { text-decoration: none; }
.nav-links { list-style: none; display: flex; gap: 22px; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }

/* Sections */
.section { padding: 48px 24px; border-top: 1px solid var(--line); }
.hero { padding: 72px 24px 24px; }
.hero h1 { font-size: clamp(2.2rem, 6vw, 3.25rem); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.section-link { color: var(--muted); white-space: nowrap; }
.skills-title { margin-top: 2rem; }

/* Buttons */
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.5rem; }
.btn {
  display: inline-block; padding: 11px 20px; border-radius: 999px;
  font-size: 1rem; border: 1px solid transparent; transition: all .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); }

/* Tag lists */
.tag-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 1rem 0 0; }
.tag-list li {
  background: var(--tag-bg); color: var(--ink); padding: 4px 12px;
  border-radius: 999px; font-size: .85rem;
}
.tag-list.small li { font-size: .78rem; padding: 3px 10px; }

/* Cards */
.card-grid { display: grid; grid-template-columns: 1fr; gap: 18px; margin-top: 1.5rem; }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 24px; transition: border-color .15s ease;
}
.card:hover { border-color: var(--accent); }
.card-title { margin: 0 0 .4rem; }
.card-blurb { margin: 0 0 .25rem; color: var(--ink); }
.card-links { margin: .75rem 0 0; color: var(--muted); font-size: .95rem; }

.contact { border-top: 1px solid var(--line); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 24px; padding: 28px 0; color: var(--muted); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; font-size: .9rem; }
.footer-links a { color: var(--muted); }

/* Wider screens: two-column project grid */
@media (min-width: 620px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
  /* A lone last card (odd count) spans the full width so it looks intentional. */
  .card-grid .card:last-child:nth-child(odd) { grid-column: 1 / -1; }
}

/* Small screens: let the nav wrap and tighten its gap */
@media (max-width: 480px) {
  .nav { flex-wrap: wrap; gap: 8px 16px; }
  .nav-links { gap: 16px; }
}