:root {
  --bg: #0b1020;
  --bg2: #0e1630;
  --card: rgba(255, 255, 255, 0.06);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --faint: rgba(255, 255, 255, 0.55);
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --brand: #8dd3ff;
  --brand2: #b8a1ff;
  --ok: #42f5b9;

  --radius: 16px;
  --radius-sm: 12px;
  --max: 1100px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  background: radial-gradient(1200px 600px at 20% 0%, rgba(141, 211, 255, 0.15), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(184, 161, 255, 0.12), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, #070a14 100%);
  color: var(--text);
  line-height: 1.6;
}

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

figure {
  margin: 0;
}

.hero__figure img,
.figure img {
  width: 100%;
  height: auto;
}

.hero__figure img {
  object-fit: cover;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.container {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: rgba(7, 10, 20, 0.7);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__title {
  font-weight: 760;
  letter-spacing: 0.2px;
  color: var(--text);
}

.brand__subtitle {
  font-size: 12px;
  color: var(--faint);
}

.nav {
  display: flex;
  gap: 14px;
  align-items: center;
}

.nav a {
  color: var(--muted);
  font-weight: 560;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 10px;
}

.nav a:hover {
  color: var(--text);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
}

.nav__toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  height: 2px;
  width: 18px;
  margin: 4px auto;
  background: rgba(255, 255, 255, 0.78);
  border-radius: 999px;
}

.hero {
  padding: 52px 0 18px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

h1 {
  margin: 14px 0 10px;
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.15;
}

h2 {
  margin: 0 0 16px;
  font-size: 28px;
  line-height: 1.2;
}

h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

h4 {
  margin: 18px 0 8px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.86);
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.sublede {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
  max-width: 75ch;
}

.authors {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.55;
}

.authors strong {
  color: rgba(255, 255, 255, 0.9);
}

.meta {
  margin-top: 16px;
  display: grid;
  gap: 8px;
  max-width: 520px;
}

.meta__row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.meta__k {
  color: var(--muted);
  font-weight: 650;
}

.meta__v {
  color: rgba(255, 255, 255, 0.86);
  font-family: var(--mono);
  font-size: 13px;
}

.cta {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 620;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.07);
}

.btn--primary {
  border-color: rgba(141, 211, 255, 0.35);
  background: linear-gradient(90deg, rgba(141, 211, 255, 0.2), rgba(184, 161, 255, 0.16));
}

.btn--ghost {
  background: transparent;
}

.btn--small {
  padding: 8px 10px;
  border-radius: 12px;
  font-size: 13px;
}

.note {
  margin-top: 14px;
  color: var(--faint);
  font-size: 13px;
  max-width: 65ch;
}

.hero__figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
}

.section {
  padding: 56px 0;
}

.section[id] {
  scroll-margin-top: 86px;
}

.section--alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.02));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}

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

.card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.bullets {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.figure {
  margin: 18px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
}

.figure--tight img {
  padding: 10px;
}

.figure figcaption {
  padding: 10px 14px;
  color: var(--faint);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

.figure-grid {
  margin: 18px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.paper-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.paper {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
}

.paper--featured {
  border-color: rgba(184, 161, 255, 0.3);
  background: linear-gradient(180deg, rgba(184, 161, 255, 0.12), rgba(255, 255, 255, 0.03));
}

.paper__tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  margin-bottom: 10px;
}

.paper__links {
  margin: 8px 0 10px;
  color: var(--faint);
  font-size: 13px;
}

.sep {
  margin: 0 6px;
  color: rgba(255, 255, 255, 0.25);
}

.callout {
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(66, 245, 185, 0.06);
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 14px;
}

.table-wrap {
  overflow: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  text-align: left;
  padding: 14px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
  letter-spacing: 0.2px;
  background: rgba(255, 255, 255, 0.03);
}

td {
  color: var(--muted);
}

.blog {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 18px;
}

.blog__post {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
}

.blog__post--featured {
  border-color: rgba(141, 211, 255, 0.25);
  background: linear-gradient(180deg, rgba(141, 211, 255, 0.14), rgba(255, 255, 255, 0.03));
}

.blog__header {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 6px;
}

.blog__post .prose {
  margin-top: 10px;
}

.blog__eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.2px;
  color: var(--faint);
}

.steps {
  margin: 10px 0 0;
  padding-left: 22px;
  color: var(--muted);
}

pre.bib {
  margin: 0;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
  overflow: auto;
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
}

.prose {
  max-width: 78ch;
}

.prose p {
  margin: 0 0 12px;
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 18px 0;
}

.prose .pullquote {
  margin: 16px 0;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(141, 211, 255, 0.06);
  color: rgba(255, 255, 255, 0.82);
}

.prose .pullquote strong {
  color: rgba(255, 255, 255, 0.9);
}

.prose .inline-math {
  font-family: var(--mono);
  font-size: 0.95em;
  color: rgba(255, 255, 255, 0.86);
}

.prose .aside {
  color: var(--faint);
  font-size: 13px;
  margin-top: -4px;
  margin-bottom: 12px;
}

.prose .figure {
  margin-top: 16px;
}

.footer {
  padding: 36px 0;
  border-top: 1px solid var(--line);
  background: rgba(7, 10, 20, 0.6);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
}

.brand--footer .brand__title {
  font-size: 16px;
}

.footer__note {
  margin: 10px 0 0;
  color: var(--faint);
  font-size: 13px;
  max-width: 70ch;
}

.footer__links {
  display: grid;
  gap: 10px;
  align-content: start;
}

.footer__links a {
  color: var(--muted);
}

.footer__links a:hover {
  color: var(--text);
  text-decoration: none;
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .paper-grid {
    grid-template-columns: 1fr;
  }
  .two-col {
    grid-template-columns: 1fr;
  }
  .figure-grid {
    grid-template-columns: 1fr;
  }
  table {
    min-width: 640px;
  }
}

@media (max-width: 720px) {
  .nav__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .nav {
    position: absolute;
    right: 16px;
    top: 62px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(7, 10, 20, 0.9);
    box-shadow: var(--shadow);
    width: min(320px, calc(100vw - 32px));
  }
  .nav a {
    padding: 10px 12px;
  }
  .nav.is-open {
    display: flex;
  }
  .footer__grid {
    grid-template-columns: 1fr;
  }
}