:root {
  --bg: #ffffff;
  --ink: #121316;
  --muted: #5b6270;
  --line: #e6e9ef;
  --accent: #1f6feb;
  --accent-2: #11a88a;
  --card: #f7f8fb;
  --shadow: 0 10px 30px rgba(14, 18, 30, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  line-height: 1.5;
}

img { max-width: 100%; display: block; }

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

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 56px 0 80px;
}

.hero {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 40px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31,111,235,0.15), transparent 60%);
  z-index: 0;
}

.hero::before {
  width: 420px;
  height: 420px;
  right: -120px;
  top: -140px;
}

.hero::after {
  width: 320px;
  height: 320px;
  left: -90px;
  bottom: -140px;
  background: radial-gradient(circle, rgba(17,168,138,0.18), transparent 60%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.kicker {
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  font-family: "Fraunces", serif;
  font-size: clamp(32px, 5vw, 56px);
  margin: 10px 0 12px;
  line-height: 1.05;
}

.subtitle {
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--muted);
  margin-bottom: 24px;
}

.authors {
  font-size: 15px;
  color: var(--muted);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.link-pill {
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  box-shadow: var(--shadow);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.section {
  margin-top: 56px;
}

.section h2 {
  font-size: 28px;
  margin-bottom: 16px;
}

.section p {
  color: var(--muted);
}

.tldr {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  display: grid;
  gap: 12px;
}

.tldr pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.highlight {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.figure {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  box-shadow: var(--shadow);
}

.figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}

.callout {
  border-left: 4px solid var(--accent-2);
  padding: 12px 16px;
  background: #f5fffb;
  border-radius: 12px;
  margin-top: 18px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.result-table th,
.result-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.result-table th[colspan] {
  text-align: center;
}

/* .result-table th:first-child,
.result-table td:first-child {
  min-width: 220px;
} */

.result-table th {
  background: #f3f6fb;
  font-weight: 600;
}

.result-table tr:last-child td {
  border-bottom: none;
}

.badge {
  display: inline-block;
  font-weight: 600;
  font-size: 12px;
  background: rgba(31,111,235,0.08);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.ablation-pick {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.footer {
  margin-top: 64px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 680px) {
  .hero { padding: 28px; }
  .links { gap: 8px; }
}