:root {
  --bg: #ffffff;
  --ink: #111417;
  --olea: #5a7d39;
  --carolina: #4b9cd3;
  --sand: #ece6da;
  --slate: #2d3439;
  --line: #121212;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  min-height: 100%;
}

body {
  font-family: "Space Mono", monospace;
  color: var(--ink);
  background: linear-gradient(180deg, #eef7ff 0%, #f8fcff 24%, var(--bg) 100%);
  overflow-x: hidden;
}

.sky {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: linear-gradient(180deg, rgba(75, 156, 211, 0.24) 0%, rgba(75, 156, 211, 0.11) 38%, rgba(255, 255, 255, 0.96) 100%);
}

.cloud {
  position: absolute;
  width: 160px;
  height: 46px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 10px rgba(17, 20, 23, 0.06);
}

.cloud::before,
.cloud::after {
  content: "";
  position: absolute;
  background: inherit;
  border-radius: 50%;
}

.cloud::before {
  width: 62px;
  height: 62px;
  left: 18px;
  top: -30px;
}

.cloud::after {
  width: 78px;
  height: 78px;
  right: 16px;
  top: -40px;
}

.c1 {
  --s: 1.05;
  top: 9%;
  left: -14%;
  animation: cloud-drift-a 78s linear infinite;
}

.c2 {
  --s: 0.8;
  top: 18%;
  left: -24%;
  opacity: 0.9;
  animation: cloud-drift-b 92s linear infinite;
}

.c3 {
  --s: 1.2;
  top: 29%;
  left: -18%;
  opacity: 0.88;
  animation: cloud-drift-a 112s linear infinite;
}

.c4 {
  --s: 0.72;
  top: 42%;
  left: -28%;
  opacity: 0.86;
  animation: cloud-drift-b 126s linear infinite;
}

.c5 {
  --s: 0.96;
  top: 61%;
  left: -22%;
  opacity: 0.8;
  animation: cloud-drift-a 138s linear infinite;
}

.c6 {
  --s: 0.7;
  top: 76%;
  left: -34%;
  opacity: 0.74;
  animation: cloud-drift-b 150s linear infinite;
}

.panels {
  position: relative;
  z-index: 1;
  height: 100vh;
  overflow-y: auto;
  scroll-snap-type: y proximity;
}

.panel {
  min-height: 48vh;
  width: 100%;
  scroll-snap-align: center;
  display: block;
  padding: 0.62rem 1rem;
}

.hero-panel {
  min-height: 35vh;
  padding-top: 0.65rem;
  padding-bottom: 0.55rem;
}

.frame {
  width: min(1120px, 100%);
  max-height: none;
  overflow: auto;
  border: 2px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 8px 8px 0 0 var(--slate);
  padding: 1.1rem;
  margin: 0 auto;
  transition: transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1), opacity 260ms ease;
}

.hero {
  border-left: 10px solid var(--olea);
  border-top: 10px solid var(--carolina);
}

.about {
  border-left: 10px solid var(--olea);
}

.education {
  border-left: 10px solid var(--carolina);
}

.olea {
  border-left: 10px solid var(--olea);
  border-right: 10px solid var(--carolina);
}

.papers {
  border-left: 10px solid var(--carolina);
}

.panel#papers {
  padding-top: 0.95rem;
}

.projects {
  border-left: 10px solid var(--olea);
}

.news {
  border-left: 10px solid var(--carolina);
}

.links {
  border-left: 10px solid var(--olea);
}

.kicker,
.label,
.mini,
.muted,
.footnote {
  margin: 0;
  color: var(--slate);
}

.kicker,
.label,
.mini {
  letter-spacing: 0.08em;
  font-size: 0.74rem;
}

.muted,
.footnote,
.paper-meta {
  font-size: 0.88rem;
}

h1,
h2,
.paper-title {
  font-family: "Archivo Black", sans-serif;
  letter-spacing: 0.02em;
  margin: 0;
}

h1 {
  font-size: clamp(1.9rem, 5vw, 3rem);
}

h2 {
  font-size: clamp(1.25rem, 3.4vw, 2rem);
}

.tagline {
  margin: 0.75rem 0 0;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.15rem;
}

.action-btn {
  text-decoration: none;
  border: 2px solid var(--line);
  color: var(--ink);
  background: var(--sand);
  padding: 0.45rem 0.65rem;
  font-size: 0.84rem;
  box-shadow: 4px 4px 0 0 var(--olea);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.action-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 0 var(--carolina);
}

.about p,
.olea p {
  margin: 0.65rem 0 0;
}

.edu-item + .edu-item {
  margin-top: 0.95rem;
}

.papers-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.paper-list,
.link-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.paper-grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.8rem;
}

.paper-card {
  text-decoration: none;
  color: inherit;
  display: block;
  border: 2px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(236, 230, 218, 0.95));
  padding: 0.85rem;
  transition: transform 170ms ease, border-color 170ms ease, box-shadow 170ms ease;
  transform: translateY(var(--drift-y, 0px));
}

.paper-card:nth-child(odd) {
  box-shadow: 5px 5px 0 0 var(--olea);
}

.paper-card:nth-child(even) {
  box-shadow: 5px 5px 0 0 var(--carolina);
}

.paper-card:hover {
  transform: translate3d(-3px, -3px, 0) translateY(var(--drift-y, 0px));
  border-color: var(--carolina);
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.9rem;
}

.link-row a {
  text-decoration: none;
  border: 2px solid var(--line);
  color: var(--ink);
  background: var(--sand);
  padding: 0.45rem 0.6rem;
  font-size: 0.85rem;
}

.footnote {
  margin-top: 1rem;
}

.shift-card {
  will-change: transform, opacity;
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(18px) scale(0.985);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@keyframes cloud-drift-a {
  from {
    transform: translateX(0) scale(var(--s, 1));
  }
  to {
    transform: translateX(135vw) scale(var(--s, 1));
  }
}

@keyframes cloud-drift-b {
  from {
    transform: translateX(0) scale(var(--s, 1));
  }
  to {
    transform: translateX(150vw) scale(var(--s, 1));
  }
}

@media (max-width: 720px) {
  .panel {
    min-height: 88vh;
    padding: 0.8rem;
  }

  .hero-panel {
    min-height: 62vh;
  }

  .frame {
    max-height: 88vh;
    padding: 0.95rem;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .paper-grid-two {
    grid-template-columns: 1fr;
  }
}