/* mbsoft: portfolio. Plain CSS, no web fonts or CDNs; light and dark follow the system. */
:root {
  --bg: #f7f8fb; --surface: #ffffff; --line: #e4e8ef; --text: #0f172a; --dim: #475569; --mute: #64748b;
  --accent: #2563eb; --accent-2: #1d4ed8; --chip: #eef2ff; --shadow: 0 24px 48px -28px rgba(15, 23, 42, 0.35);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --maxw: 1120px; --pad: clamp(20px, 5vw, 48px); --radius: 18px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0b1120; --surface: #111a2e; --line: #1f2a44; --text: #e7ebf3; --dim: #aab4c8; --mute: #8a94ab; --accent: #60a5fa; --accent-2: #93c5fd; --chip: #172036; --shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.8); }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 var(--sans); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--surface); padding: 8px 12px; border-radius: 8px; z-index: 10; }

header.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 800 22px var(--display); color: var(--text); letter-spacing: -0.6px; }
.brand:hover { text-decoration: none; }
.brand img { display: block; border-radius: 8px; }
.foot-brand { display: inline-flex; align-items: center; gap: 8px; }
.foot-brand img { border-radius: 5px; }
nav.sections { display: flex; gap: 22px; font-weight: 600; font-size: 15px; }
nav.sections a { color: var(--dim); }
@media (max-width: 640px) { nav.sections { display: none; } }

.hero { padding: clamp(56px, 9vw, 104px) 0 clamp(40px, 6vw, 72px); }
.hero-grid { display: grid; grid-template-columns: 132px 1fr; gap: 32px; align-items: center; }
.hero img { width: 132px; height: 132px; border-radius: 50%; box-shadow: var(--shadow); }
.hero h1 { font: 800 clamp(36px, 6vw, 58px)/1.05 var(--display); letter-spacing: -1.5px; margin: 0 0 14px; }
.hero p.lede { font-size: clamp(18px, 2.2vw, 21px); color: var(--dim); margin: 0 0 22px; max-width: 720px; }
.hero .links { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 640px) { .hero-grid { grid-template-columns: 1fr; } }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 999px; font-weight: 700; font-size: 15px; border: 2px solid var(--accent); }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { .btn-primary { color: #0b1120; } }
.btn-ghost { color: var(--accent); background: transparent; }

section { padding: clamp(40px, 6vw, 72px) 0; }
.eyebrow { text-transform: uppercase; letter-spacing: 1.5px; font-size: 13px; font-weight: 800; color: var(--accent); margin: 0 0 8px; }
h2 { font: 800 clamp(26px, 3.6vw, 36px)/1.15 var(--display); letter-spacing: -0.8px; margin: 0 0 10px; }
.section-lede { color: var(--dim); margin: 0 0 28px; max-width: 680px; }

.featured { display: grid; grid-template-columns: 1.1fr 1fr; gap: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.featured > a { display: flex; align-items: center; background: #1d4ed8; }
.featured + .featured { margin-top: 28px; }
.featured-runestone > a { background: #0b0f17; }
.featured-tp > a { background: #070c1c; }
.featured-tmo > a { background: #081226; }
.featured img { width: 100%; height: auto; display: block; }
.featured .body { padding: clamp(22px, 3.5vw, 38px); }
.featured h3 { font: 800 30px var(--display); margin: 6px 0 10px; letter-spacing: -0.6px; }
.featured ul { padding-left: 20px; color: var(--dim); margin: 14px 0 22px; }
@media (max-width: 860px) { .featured { grid-template-columns: 1fr; } }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.card h3 { font: 700 20px var(--display); margin: 0; letter-spacing: -0.3px; }
.card p { color: var(--dim); margin: 0; font-size: 15.5px; flex: 1; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font-size: 12.5px; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: var(--chip); color: var(--dim); }
.tag.live { background: #dcfce7; color: #166534; }
@media (prefers-color-scheme: dark) { .tag.live { background: #10331f; color: #86efac; } }
.card .links { display: flex; gap: 16px; font-weight: 700; font-size: 15px; }

footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--mute); font-size: 14.5px; }
footer .row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Bio paragraphs (from content/about.md) and the career timeline */
#about .lede + .lede { margin-top: -6px; }
.experience { padding-top: 0; }
.career { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.career li { position: relative; display: grid; grid-template-columns: 120px 1fr; gap: 4px 20px; padding: 14px 0 14px 24px; }
.career li::before { content: ""; position: absolute; left: -7px; top: 22px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); }
.career .years { color: var(--mute); font-weight: 700; font-variant-numeric: tabular-nums; }
.career .org { font-weight: 800; }
.career .role { grid-column: 2; color: var(--dim); }
@media (max-width: 640px) { .career li { grid-template-columns: 1fr; } .career .role { grid-column: 1; } }