:root {
  --bg: #f6f0e4;
  --surface: #fffdf8;
  --surface-2: #f2e8d8;
  --ink: #1f2d36;
  --muted: #4f5d66;
  --line: #ddcfba;
  --accent: #0f766e;
  --accent-2: #c2410c;
  --shadow: 0 14px 40px rgba(28, 42, 48, 0.12);
  --radius: 18px;
  --maxw: 1080px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(90rem 30rem at 5% -5%, rgba(194, 65, 12, 0.16), transparent 55%),
    radial-gradient(75rem 28rem at 95% 0%, rgba(15, 118, 110, 0.2), transparent 55%),
    var(--bg);
  line-height: 1.6;
}

.ambient-shape {
  position: fixed;
  pointer-events: none;
  z-index: -1;
  opacity: 0.5;
  filter: blur(2px);
}

.shape-a {
  width: 360px;
  height: 360px;
  top: 20%;
  right: -120px;
  border-radius: 48% 52% 46% 54%;
  background: linear-gradient(145deg, rgba(15, 118, 110, 0.24), rgba(15, 118, 110, 0));
  animation: drift-a 14s ease-in-out infinite alternate;
}

.shape-b {
  width: 320px;
  height: 320px;
  bottom: 12%;
  left: -90px;
  border-radius: 57% 43% 52% 48%;
  background: linear-gradient(145deg, rgba(194, 65, 12, 0.22), rgba(194, 65, 12, 0));
  animation: drift-b 12s ease-in-out infinite alternate;
}

@keyframes drift-a {
  0% {
    transform: translateY(0px) rotate(0deg);
  }
  100% {
    transform: translateY(16px) rotate(6deg);
  }
}

@keyframes drift-b {
  0% {
    transform: translateY(0px) rotate(0deg);
  }
  100% {
    transform: translateY(-18px) rotate(-6deg);
  }
}

.hero,
main,
.footer {
  width: min(calc(100% - 2rem), var(--maxw));
  margin-inline: auto;
}

.hero {
  padding: 5.5rem 0 2.5rem;
}

.kicker {
  margin: 0 0 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
}

h1,
h2,
h3 {
  font-family: "Bricolage Grotesque", sans-serif;
  line-height: 1.18;
  margin: 0;
}

h1 {
  font-size: clamp(2.2rem, 4.9vw, 4.15rem);
  max-width: 22ch;
}

.authors {
  margin: 1.2rem 0 0.7rem;
  color: var(--muted);
  max-width: 90ch;
}

.authors a {
  color: inherit;
  text-decoration: none;
}

.authors a:hover,
.authors a:focus-visible {
  color: var(--accent);
}

.affiliations,
.date {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
  margin-top: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.62rem 1.02rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background-color 180ms ease;
  font-family: "IBM Plex Sans", sans-serif;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #f9fffc;
  box-shadow: 0 8px 20px rgba(15, 118, 110, 0.28);
}

.btn-secondary {
  background: rgba(255, 253, 248, 0.82);
  border-color: var(--line);
  color: var(--ink);
}

main {
  padding-bottom: 1rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.15rem, 2.5vw, 1.9rem);
  margin-bottom: 1.05rem;
}

.panel h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  margin-bottom: 0.8rem;
}

.panel h3 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.section-note {
  color: var(--muted);
  margin-top: -0.2rem;
}

.media-grid {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.media-figure {
  margin: 1rem 0 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, #fffaf2, #fffdf8);
  overflow: hidden;
}

.media-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.media-figure figcaption {
  margin: 0;
  padding: 0.68rem 0.82rem 0.78rem;
  font-size: 0.9rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.cards {
  display: grid;
  gap: 0.9rem;
}

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

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

.card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fffaf2, #fffdf8);
  border-radius: 15px;
  padding: 1rem;
}

.card p {
  margin: 0.32rem 0;
}

.code-chip {
  display: inline-block;
  margin: 0.25rem 0 0.4rem;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0.3rem 0.5rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88rem;
}

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

.step {
  background: linear-gradient(180deg, #fffaef, #fef6e8);
  border: 1px dashed #cfb693;
  border-radius: 14px;
  padding: 0.95rem;
  position: relative;
}

.step::after {
  content: "→";
  position: absolute;
  right: -0.58rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  color: var(--accent-2);
}

.step:last-child::after {
  content: "";
}

.stat strong {
  color: var(--accent-2);
}

.table-wrap {
  margin-top: 1rem;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

th,
td {
  text-align: left;
  padding: 0.58rem 0.55rem;
  border-bottom: 1px solid var(--line);
}

th {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

tbody tr:hover {
  background: rgba(15, 118, 110, 0.06);
}

.highlight-row {
  background: rgba(15, 118, 110, 0.1);
}

.takeaways {
  margin: 0;
  padding-left: 1.15rem;
}

.takeaways li {
  margin: 0.45rem 0;
}

pre {
  margin: 0.7rem 0 0;
  padding: 0.9rem;
  background: #171e24;
  color: #e4eef6;
  border-radius: 11px;
  overflow-x: auto;
}

code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
}

.copy-btn {
  margin-top: 0.75rem;
}

.footer {
  padding: 0.7rem 0 2.4rem;
  color: var(--muted);
}

.footer a {
  color: var(--accent);
}

html.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 540ms ease, transform 540ms ease;
}

html.js .reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .three-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .step::after {
    content: "↓";
    top: auto;
    bottom: -1.08rem;
    right: 50%;
    transform: translateX(50%);
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: 4rem;
  }

  .two-col,
  .three-col {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 1rem;
  }

  .authors {
    font-size: 0.95rem;
  }
}