/* styles.css — minimal, editorial, “lab site” vibe */

:root{
  --bg: #ffffff;
  --text: #111111;
  --muted: #555555;
  --faint: #888888;
  --line: #e9e9e9;
  --link: #111111;

  --maxw: 980px;
  --pad: 28px;

  --radius: 14px;
  --shadow: 0 8px 30px rgba(0,0,0,0.06);
}

* { box-sizing: border-box; }

html, body{
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a{
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid rgba(17,17,17,0.18);
}
a:hover{ border-bottom-color: rgba(17,17,17,0.45); }

.container{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

header.site-header{
  padding: 22px 0 10px 0;
  border-bottom: 1px solid var(--line);
}

.nav{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
}

.brand{
  font-weight: 600;
  letter-spacing: 0.2px;
}

.nav-links{
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-links a{
  border-bottom: 0;
  color: var(--muted);
  padding: 6px 2px;
}
.nav-links a:hover{ color: var(--text); }

main{
  padding: 44px 0 70px 0;
}

.hero{
  padding: 6px 0 28px 0;
}

.hero h1{
  font-size: clamp(30px, 4.2vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.3px;
  margin: 0 0 14px 0;
  font-weight: 650;
}

.hero p{
  max-width: 72ch;
  margin: 0 0 18px 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.quicklinks{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.pill{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: #fff;
  box-shadow: 0 1px 0 rgba(0,0,0,0.02);
  border-bottom: 1px solid var(--line); /* override anchor underline */
}
.pill:hover{
  border-color: #d9d9d9;
}

.section{
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.section h2{
  margin: 0 0 14px 0;
  font-size: 1.15rem;
  letter-spacing: 0.2px;
  font-weight: 650;
}

.grid{
  display: grid;
  gap: 16px;
}

.grid-3{
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 14px 16px;
  background: #fff;
}

.card h3{
  margin: 0 0 8px 0;
  font-size: 1rem;
  font-weight: 650;
}

.card p{
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 72ch;
}

.list{
  display: grid;
  gap: 12px;
}

.item{
  padding: 14px 14px 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.item .title{
  font-weight: 650;
  margin-bottom: 6px;
}

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

.footer{
  border-top: 1px solid var(--line);
  padding: 18px 0 26px 0;
  color: var(--faint);
  font-size: 0.92rem;
}

.footer a{
  color: var(--faint);
  border-bottom: 1px solid rgba(0,0,0,0.12);
}
.footer a:hover{ color: var(--muted); }

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

.muted{ color: var(--muted); }
.faint{ color: var(--faint); }

/* Responsive */
@media (max-width: 860px){
  :root{ --pad: 18px; }
  .grid-3{ grid-template-columns: 1fr; }
  main{ padding: 34px 0 56px 0; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  * { scroll-behavior: auto !important; }
}