:root {
  --bg: #07110d;
  --bg2: #0b1712;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-strong: rgba(255, 255, 255, 0.055);
  --line: rgba(191, 233, 200, 0.14);
  --line-strong: rgba(191, 233, 200, 0.24);
  --text: rgba(207, 232, 214, 0.88);
  --muted: rgba(207, 232, 214, 0.62);
  --gold: #e6d7b7;
  --ink: #bfe9c8;
  --shadow: rgba(0, 0, 0, 0.58);
  --radius: 18px;
  --radius2: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --serif: ui-serif, Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(1100px 720px at 18% 10%, rgba(191, 233, 200, 0.08), transparent 55%),
    radial-gradient(900px 640px at 84% 28%, rgba(230, 215, 183, 0.06), transparent 58%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.62;
}

a {
  color: rgba(255, 255, 255, 0.94);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.52);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.88);
  font: 10px/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--ink);
  box-shadow: 0 0 10px rgba(191, 233, 200, 0.82);
}

.wrap {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 18px 0 48px;
}

.surface-nav {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  background: rgba(255, 255, 255, 0.03);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.surface-nav__brand {
  color: var(--muted);
  font: 12px/1.3 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.surface-nav__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.surface-nav__links a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 11px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--muted);
  text-decoration: none;
  font: 12px/1.3 var(--mono);
  letter-spacing: 0.08em;
}

.surface-nav__links a:hover,
.surface-nav__links a:focus-visible,
.surface-nav__links a.is-active {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.hero,
.section {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.32);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: grid;
  align-items: end;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: var(--hero-image, none);
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  opacity: 0.34;
  filter: saturate(1.02) contrast(1.02);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1000px 500px at 20% 16%, rgba(0, 0, 0, 0.24), transparent 58%),
    linear-gradient(to top, rgba(0, 0, 0, 0.88), rgba(0, 0, 0, 0.28));
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  padding: 32px;
}

.hero__kicker,
.section__kicker,
.mini-card__label,
.stack-card__id,
.teaser__meta,
.paper-item__meta,
.sentence-list li::before {
  font-family: var(--mono);
}

.hero__kicker,
.section__kicker {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.hero h1,
.section h2,
.feature h3,
.essay-item h3,
.stack-card h3,
.teaser h3,
.paper-item h3,
.about-card h3,
.path-card h3,
.mini-card h3 {
  font-family: var(--serif);
}

.hero h1 {
  margin: 0;
  color: rgba(255, 255, 255, 0.96);
  font-size: clamp(40px, 6vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  margin: 14px 0 0;
  color: var(--gold);
  font-size: 19px;
}

.hero__lede,
.hero__support {
  margin: 14px 0 0;
  max-width: 66ch;
  color: rgba(207, 232, 214, 0.84);
  font-size: 15px;
}

.hero__actions,
.cta,
.foot__links,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cta,
.hero__actions {
  margin-top: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

.btn:hover,
.btn:focus-visible {
  border-color: var(--line-strong);
}

.btn.primary {
  background: rgba(230, 215, 183, 0.08);
  border-color: rgba(230, 215, 183, 0.22);
}

.btn.ghost {
  background: transparent;
}

.section {
  padding: 20px;
}

.section__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.section h2 {
  margin: 0;
  color: rgba(255, 255, 255, 0.94);
  font-size: 28px;
  line-height: 1.08;
}

.section__note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.lede-block {
  max-width: 78ch;
  color: rgba(207, 232, 214, 0.84);
}

.sentence-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
}

.sentence-list li {
  position: relative;
  padding-left: 34px;
  color: rgba(207, 232, 214, 0.84);
  font-size: 14px;
}

.sentence-list li::before {
  content: counter(item, decimal-leading-zero);
  counter-increment: item;
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.sentence-list {
  counter-reset: item;
}

.card-grid,
.entry-grid,
.front-grid,
.teaser-grid,
.method-grid,
.mini-stack,
.stack-grid,
.featured-grid,
.path-list {
  display: grid;
  gap: 14px;
}

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

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

.teaser-grid,
.featured-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.method-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mini-card,
.stack-card,
.teaser,
.paper-item,
.feature,
.about-card,
.method-card,
.path-card,
.callout {
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  background: rgba(255, 255, 255, 0.028);
}

.mini-card,
.stack-card,
.teaser,
.paper-item,
.feature,
.about-card,
.method-card,
.path-card,
.callout {
  padding: 18px;
}

.mini-card__label,
.stack-card__id,
.teaser__meta,
.paper-item__meta {
  color: var(--gold);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.mini-card h3,
.stack-card h3,
.teaser h3,
.paper-item h3,
.feature h3,
.about-card h3,
.path-card h3,
.method-card h3 {
  margin: 8px 0 8px;
  color: rgba(255, 255, 255, 0.94);
  font-size: 22px;
  line-height: 1.06;
}

.mini-card p,
.stack-card p,
.teaser p,
.paper-item p,
.feature p,
.about-card p,
.path-card p,
.method-card p,
.callout p {
  margin: 0;
  color: rgba(207, 232, 214, 0.82);
  font-size: 14px;
}

.mini-card .inline-links,
.stack-card .inline-links,
.about-card .inline-links {
  margin-top: 12px;
}

.feature--image {
  padding: 0;
  overflow: hidden;
}

.feature__image {
  min-height: 160px;
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--line);
}

.feature__content {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  min-height: 210px;
}

.feature__sub,
.essay-item__subtitle {
  margin: 0;
  color: var(--gold);
  font-size: 14px;
}

.feature .btn {
  margin-top: auto;
}

.paper-list,
.essay-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.paper-item,
.essay-item {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-top: 1px dashed rgba(191, 233, 200, 0.16);
  border-radius: 0;
  background: transparent;
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
}

.paper-item:first-child,
.essay-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.paper-item__body,
.essay-item__body {
  display: grid;
  gap: 8px;
}

.paper-item h3,
.essay-item h3 {
  margin: 0;
}

.paper-item h3 a,
.essay-item h3 a,
.teaser h3 a,
.path-card__links a,
.foot__links a,
.inline-links a,
.mini-card a,
.stack-card a {
  color: rgba(255, 255, 255, 0.94);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.paper-item h3 a:hover,
.essay-item h3 a:hover,
.teaser h3 a:hover,
.path-card__links a:hover,
.foot__links a:hover,
.inline-links a:hover,
.mini-card a:hover,
.stack-card a:hover {
  border-bottom-color: rgba(255, 255, 255, 0.46);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 16px;
}

.stack-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stack-card__route {
  margin-top: auto;
  color: var(--muted);
  font-size: 13px;
}

.path-list {
  margin-top: 14px;
}

.path-card__links {
  margin-top: 8px !important;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px !important;
}

.foot {
  margin-top: 22px;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  text-align: center;
}

.foot__links {
  justify-content: center;
  color: var(--muted);
}

.foot__note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-family: var(--mono);
}

.mark {
  width: min(110px, 24vw);
  margin-bottom: 18px;
  color: var(--ink);
  filter: drop-shadow(0 18px 42px rgba(191, 233, 200, 0.16));
}

.mark svg {
  display: block;
  width: 100%;
  height: auto;
}

@media (max-width: 980px) {
  .entry-grid,
  .front-grid,
  .mini-stack,
  .stack-grid,
  .method-grid,
  .teaser-grid,
  .featured-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .sentence-list {
    grid-template-columns: 1fr;
  }

  .section__head,
  .surface-nav {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .hero {
    min-height: 360px;
  }

  .hero__content {
    padding: 22px;
  }

  .paper-item,
  .essay-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}