@import url("https://db.onlinewebfonts.com/c/2c873f3e0c36ae1affa28094bfa91760?family=Moche");

:root {
  --bg: #f5f4ef;
  --text: #11110f;
  --muted: #74736c;
  --line: #d8d6cf;
  --card: #151513;
  --card-text: #f5f4ef;
  --max: 1440px;
  --header-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Moche", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }

.shell,
.site-header {
  width: min(calc(100% - 64px), var(--max));
  margin-inline: auto;
}

.site-header {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 700;
  letter-spacing: -.035em;
}

nav {
  display: flex;
  gap: 28px;
  font-size: .88rem;
}

nav a,
.paper-link {
  transition: opacity 180ms ease;
}

nav a:hover,
.paper-link:hover { opacity: .55; }

.landing {
  min-height: calc(100svh - var(--header-h));
  display: grid;
  grid-template-rows: auto minmax(320px, 1fr);
  align-content: stretch;
  overflow: hidden;
}

.hero {
  padding-top: clamp(34px, 5.2vh, 60px);
  padding-bottom: clamp(14px, 2.1vh, 24px);
}

.kicker,
.paper-meta {
  margin: 0;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .17em;
  text-transform: uppercase;
}

h1,
p { margin-top: 0; }

h1 {
  width: 100%;
  margin: clamp(12px, 1.7vh, 20px) 0 clamp(12px, 1.8vh, 20px);
  font-size: clamp(3.2rem, 5vw, 5.35rem);
  line-height: 1;
  letter-spacing: -.045em;
  font-weight: 400;
}

.hero-line {
  display: block;
  white-space: nowrap;
}

.hero-line + .hero-line {
  margin-top: .12em;
}

.hero-line-secondary {
  font-weight: 400;
}

.intro {
  width: 100%;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(.98rem, 1.25vw, 1.18rem);
  letter-spacing: -.015em;
  white-space: nowrap;
}

.carousel {
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(260px, 1fr) 46px;
  align-items: stretch;
}

.carousel-stage {
  position: relative;
  width: 100%;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1100px;
  touch-action: pan-y;
}

.research-card {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(310px, 66vw);
  height: min(255px, 29vh);
  min-height: 220px;
  padding: 24px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: var(--card);
  color: var(--card-text);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform-origin: center center;
  will-change: transform, opacity;
  box-shadow: 0 20px 60px rgba(0,0,0,.12);
  transition: box-shadow 180ms ease;
}

.research-card:hover {
  box-shadow: 0 25px 76px rgba(0,0,0,.19);
}

.paper-meta {
  color: rgba(245,244,239,.58);
}

.paper-title {
  display: block;
  font-size: clamp(1.03rem, 1.55vw, 1.3rem);
  line-height: 1.08;
  letter-spacing: -.03em;
  text-wrap: balance;
}

.paper-link {
  align-self: flex-start;
  color: rgba(245,244,239,.72);
  font-size: .78rem;
}

.carousel-controls {
  height: 46px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 14px;
}

.carousel-button {
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.carousel-button:hover {
  background: var(--text);
  color: var(--bg);
}

.carousel-count {
  min-width: 52px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: .7rem;
  letter-spacing: .08em;
  text-align: center;
}

.site-footer {
  min-height: 92px;
  display: flex;
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .82rem;
}

@media (max-height: 760px) and (min-width: 721px) {
  .hero {
    padding-top: 24px;
    padding-bottom: 8px;
  }

  h1 {
    font-size: clamp(3rem, 4.5vw, 4.6rem);
    margin: 9px 0 10px;
  }

  .research-card {
    height: 215px;
    min-height: 205px;
    padding: 20px;
  }

  .landing {
    grid-template-rows: auto minmax(245px, 1fr);
  }
}

@media (max-width: 900px) {
  .shell,
  .site-header {
    width: min(calc(100% - 40px), var(--max));
  }

  h1 {
    font-size: clamp(2.7rem, 6.2vw, 4.15rem);
  }

  .research-card {
    width: min(285px, 64vw);
  }
}

@media (max-width: 720px) {
  :root { --header-h: 68px; }

  .shell,
  .site-header {
    width: min(calc(100% - 32px), var(--max));
  }

  nav { gap: 16px; font-size: .82rem; }

  .landing {
    min-height: calc(100svh - var(--header-h));
    grid-template-rows: auto minmax(340px, 1fr);
    overflow: visible;
  }

  .hero {
    padding-top: 30px;
    padding-bottom: 8px;
  }

  h1 {
    margin: 12px 0 14px;
    font-size: clamp(2.2rem, 8.2vw, 3.4rem);
    line-height: 1;
    letter-spacing: -.04em;
  }

  .hero-line {
    white-space: normal;
  }

  .intro {
    max-width: 620px;
    font-size: clamp(.86rem, 3.5vw, 1rem);
    white-space: normal;
  }

  .carousel {
    grid-template-rows: minmax(300px, 1fr) 46px;
  }

  .carousel-stage {
    min-height: 300px;
  }

  .research-card {
    width: min(250px, 68vw);
    height: 245px;
    min-height: 230px;
    padding: 20px;
    border-radius: 14px;
  }

  .paper-title {
    font-size: clamp(1rem, 4.5vw, 1.18rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}