:root {
  --bg: #fbfbf8;
  --paper: #ffffff;
  --ink: #171717;
  --muted: #656565;
  --line: #e7e6df;
  --accent: #2f6d5e;
  --accent-soft: #e9f2ee;
  --accent-deep: #1f4d43;
  --max: 1180px;
  --narrow: 900px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: inherit; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.container.narrow { width: min(var(--narrow), calc(100% - 40px)); }
.hero { padding: 86px 0 52px; text-align: center; background: radial-gradient(circle at top, #f0f6f3 0, var(--bg) 54%); }
.venue { display: inline-block; padding: 7px 12px; border: 1px solid #cddbd5; border-radius: 999px; color: var(--accent-deep); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; }
h1 { margin: 22px auto 24px; font-family: "DM Serif Display", Georgia, serif; font-weight: 400; font-size: clamp(42px, 6vw, 72px); line-height: 1.04; letter-spacing: -0.025em; }
h1 span { color: var(--accent); }
.authors { display: flex; flex-wrap: wrap; gap: 8px 12px; justify-content: center; align-items: baseline; font-size: 18px; margin-top: 14px; }
.authors a { text-decoration: none; border-bottom: 1px solid #bbb; }
.authors a:hover { color: var(--accent); border-color: var(--accent); }
.authors sup, .affiliations sup { color: var(--accent); font-weight: 700; }
.affiliations { margin-top: 8px; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; color: var(--muted); font-size: 14px; }
.links { display: flex; gap: 10px; justify-content: center; margin-top: 28px; flex-wrap: wrap; }
.button { text-decoration: none; border: 1px solid #cfcfc9; background: rgba(255,255,255,.75); padding: 10px 18px; border-radius: 10px; font-weight: 650; transition: .18s ease; }
.button:hover { transform: translateY(-1px); border-color: #aaa; }
.button.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.teaser-section { padding: 24px 0 76px; }
.hero-image, .figure { width: 100%; display: block; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 14px 40px rgba(0,0,0,.05); }
.lead { max-width: 960px; margin: 28px auto 0; font-size: clamp(20px, 2.5vw, 28px); line-height: 1.45; text-align: center; letter-spacing: -0.015em; }
.section { padding: 86px 0; }
.section.alt { background: #f3f4f0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-family: "DM Serif Display", Georgia, serif; font-weight: 400; font-size: clamp(34px, 4vw, 52px); line-height: 1.08; margin: 8px 0 24px; letter-spacing: -0.02em; }
h3 { margin: 12px 0 8px; font-size: 22px; }
p { font-size: 17px; color: #303030; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; color: var(--accent); font-weight: 800; font-size: 12px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
.figure { margin: 26px 0 26px; }
.cards.two { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.card p { margin-bottom: 0; color: var(--muted); }
.step { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--accent-soft); color: var(--accent-deep); font-weight: 800; font-size: 13px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 28px 0 34px; }
.stat { background: var(--paper); border: 1px solid var(--line); border-radius: 15px; padding: 22px 18px; }
.stat-num { font-family: "DM Serif Display", Georgia, serif; color: var(--accent); font-size: 40px; line-height: 1; }
.stat-name { margin-top: 11px; font-weight: 750; }
.stat-sub { color: var(--muted); font-size: 13px; margin-top: 3px; }
.table-wrap { overflow-x: auto; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; }
table { border-collapse: collapse; width: 100%; min-width: 900px; font-size: 14px; }
th, td { padding: 14px 13px; border-bottom: 1px solid var(--line); text-align: center; }
th:first-child, td:first-child { text-align: left; }
th { background: #fafaf7; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: #555; }
tr:last-child td { border-bottom: 0; }
tr.ours { background: var(--accent-soft); }
.caption { color: var(--muted); font-size: 13px; margin-top: 10px; }
.centered { text-align: center; }
.ablation-grid { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 9px; }
.ablation { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; text-align: center; padding: 20px 10px; }
.ablation span, .ablation small { display: block; }
.ablation span { font-weight: 700; font-size: 13px; }
.ablation strong { display: block; margin: 5px 0; font-family: "DM Serif Display", Georgia, serif; font-size: 33px; font-weight: 400; }
.ablation small { color: var(--muted); }
.ablation.final { background: var(--accent-soft); border-color: #c9ddd5; }
.ablation.final strong { color: var(--accent-deep); }
.arrow { color: #aaa; font-size: 19px; }
.bib-wrap { position: relative; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; background: #171717; color: #f5f5f0; border-radius: 14px; padding: 24px; font-size: 14px; line-height: 1.55; }
.copy { position: absolute; right: 12px; top: 12px; border: 1px solid #4b4b4b; background: #2d2d2d; color: #fff; border-radius: 8px; padding: 6px 10px; cursor: pointer; }
footer { padding: 36px 0; text-align: center; color: var(--muted); font-size: 13px; }
@media (max-width: 880px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .ablation-grid { grid-template-columns: repeat(3, 1fr); }
  .arrow { display: none; }
}
@media (max-width: 680px) {
  .hero { padding-top: 58px; }
  .section { padding: 64px 0; }
  .cards.two { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .ablation-grid { grid-template-columns: 1fr 1fr; }
  .affiliations { flex-direction: column; gap: 2px; }
}
@media (max-width: 460px) {
  .container, .container.narrow { width: min(100% - 24px, var(--max)); }
  .stat-grid { grid-template-columns: 1fr; }
  .ablation-grid { grid-template-columns: 1fr; }
}
