/* Todd Kaplinger - personal site
   Palette: Braves navy base, Carolina blue accent, sparing Braves red.
   Dependency-free: system fonts, no frameworks, no build step. */

:root {
  --navy: #0b1f3a;
  --navy-2: #10294b;
  --navy-3: #16334f;
  --ink: #eaf1f8;
  --muted: #9db4cc;
  --carolina: #7bafd4;
  --carolina-bright: #a8d0ee;
  --red: #ce1141;
  --line: rgba(123, 175, 212, 0.22);
  --max: 1060px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--carolina-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ---------- Nav ---------- */
nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 31, 58, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
nav .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  font-weight: 700; font-size: 1.05rem; letter-spacing: 0.02em;
  color: var(--ink);
}
.brand:hover { text-decoration: none; color: var(--carolina-bright); }
.brand .dot { color: var(--red); }
nav ul { display: flex; gap: 28px; list-style: none; }
nav ul a { color: var(--muted); font-size: 0.95rem; }
nav ul a:hover, nav ul a.active { color: var(--carolina-bright); text-decoration: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 110px 0 90px;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(123, 175, 212, 0.16), transparent 60%),
    radial-gradient(700px 380px at 0% 110%, rgba(206, 17, 65, 0.07), transparent 55%),
    var(--navy);
  border-bottom: 1px solid var(--line);
}
.hero .kicker {
  color: var(--carolina);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 14ch;
  margin-bottom: 24px;
}
.hero h1 .accent { color: var(--carolina-bright); }
.hero p.lede {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 56ch;
  margin-bottom: 36px;
}
.cta-row { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid var(--carolina);
  color: var(--navy);
  background: var(--carolina);
  transition: background 0.15s ease, color 0.15s ease;
}
.btn:hover { background: var(--carolina-bright); text-decoration: none; }
.btn.ghost {
  background: transparent;
  color: var(--carolina-bright);
}
.btn.ghost:hover { background: rgba(123, 175, 212, 0.12); }

/* ---------- Sections ---------- */
section { padding: 72px 0; border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: none; }

.section-head { margin-bottom: 40px; }
.section-head .eyebrow {
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  letter-spacing: -0.01em;
}
.section-head p { color: var(--muted); margin-top: 10px; max-width: 60ch; }

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 22px;
}
.card {
  background: var(--navy-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 26px;
  display: flex; flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--carolina); transform: translateY(-2px); }
.card .date {
  color: var(--carolina);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.card h3 { font-size: 1.15rem; line-height: 1.35; margin-bottom: 10px; }
.card h3 a { color: var(--ink); }
.card h3 a:hover { color: var(--carolina-bright); text-decoration: none; }
.card p { color: var(--muted); font-size: 0.95rem; flex: 1; }
.card .meta { margin-top: 16px; font-size: 0.85rem; color: var(--carolina); }
.card .more { margin-top: 16px; font-size: 0.9rem; font-weight: 600; }

/* ---------- Two-column professional block ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.split h3 { font-size: 1.2rem; margin-bottom: 14px; color: var(--carolina-bright); }
.split p, .split li { color: var(--muted); }
.split p + p { margin-top: 14px; }
.split ul { list-style: none; margin-top: 6px; }
.split li {
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.split li:last-child { border-bottom: none; }
.split li::before {
  content: "";
  position: absolute; left: 0; top: 22px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--carolina);
}
.split li strong { color: var(--ink); font-weight: 600; }

/* ---------- Article list (writing page) ---------- */
.group-title {
  font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--red);
  margin: 48px 0 8px;
}
.group-title:first-of-type { margin-top: 0; }
.article {
  display: block;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
}
.article:hover { text-decoration: none; background: rgba(123, 175, 212, 0.05); }
.article .row { display: flex; gap: 22px; align-items: baseline; }
.article .when {
  flex: 0 0 86px;
  color: var(--carolina);
  font-size: 0.82rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.article .body { flex: 1; }
.article h3 { color: var(--ink); font-size: 1.08rem; margin-bottom: 4px; }
.article:hover h3 { color: var(--carolina-bright); }
.article p { color: var(--muted); font-size: 0.92rem; }

/* ---------- About page ---------- */
.facts {
  background: var(--navy-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 28px;
}
.facts dt {
  color: var(--carolina);
  font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-top: 18px;
}
.facts dt:first-child { margin-top: 0; }
.facts dd { color: var(--ink); margin-top: 4px; }

/* ---------- Footer ---------- */
footer {
  padding: 56px 0 64px;
  background: var(--navy-2);
  border-top: 1px solid var(--line);
}
footer .cols {
  display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
footer h4 {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--carolina); margin-bottom: 14px;
}
footer ul { list-style: none; }
footer li { margin-bottom: 8px; }
footer a { color: var(--muted); }
footer a:hover { color: var(--carolina-bright); }
footer .note {
  margin-top: 40px; padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted); font-size: 0.85rem;
}
footer .note .dot { color: var(--red); }

@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; gap: 28px; }
  nav .wrap { height: auto; padding: 12px 24px; flex-wrap: wrap; row-gap: 8px; }
  nav ul { gap: 16px; flex-wrap: wrap; }
  nav ul a { font-size: 0.88rem; }
  .hero { padding: 72px 0 64px; }
  .article .row { flex-direction: column; gap: 4px; }
  .article .when { flex: none; }
}