:root {
  --bg-top: #fcfaf5;
  --bg-bottom: #f3ece0;
  --surface: rgba(255, 252, 247, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --surface-dark: #112231;
  --text: #17212b;
  --muted: #5e6b77;
  --line: rgba(23, 33, 43, 0.12);
  --shadow: 0 24px 70px rgba(17, 34, 49, 0.12);
  --shadow-soft: 0 14px 32px rgba(17, 34, 49, 0.08);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --accent-coral: #e46753;
  --accent-blue: #6c8fbb;
  --accent-green: #87b68d;
  --accent-gold: #d9b360;
  --accent-lilac: #b084b8;
  --max-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 0% 0%, rgba(228, 103, 83, 0.18), transparent 28%),
    radial-gradient(circle at 100% 10%, rgba(108, 143, 187, 0.16), transparent 24%),
    radial-gradient(circle at 60% 100%, rgba(217, 179, 96, 0.15), transparent 22%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.12), transparent 85%);
}

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

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

.page-shell {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 24px auto 48px;
}

.hero,
.section,
.footer {
  animation: fade-up 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.section:nth-of-type(2) {
  animation-delay: 0.08s;
}

.section:nth-of-type(3) {
  animation-delay: 0.16s;
}

.section:nth-of-type(4) {
  animation-delay: 0.24s;
}

.section:nth-of-type(5) {
  animation-delay: 0.32s;
}

.topbar,
.hero-grid,
.intro-grid,
.findings-grid,
.figure-grid,
.paper-meta,
.footer {
  display: grid;
  gap: 20px;
}

.surface {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}

.topbar {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.56);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 16px;
  z-index: 10;
  backdrop-filter: blur(14px);
}

.wordmark {
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
  transform: translateY(-1px);
}

.hero {
  padding-top: 18px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.62fr) minmax(280px, 0.72fr);
  align-items: start;
  gap: 24px;
  margin-top: 22px;
}

.hero-copy {
  display: grid;
  gap: 18px;
  padding: 30px 34px 32px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 249, 243, 0.74)),
    linear-gradient(135deg, rgba(228, 103, 83, 0.04), rgba(108, 143, 187, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.eyebrow,
.section-kicker,
.panel-label,
.figure-tag,
.finding-number {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
  font-size: 0.78rem;
}

.eyebrow,
.section-kicker,
.panel-label,
.figure-tag {
  color: var(--muted);
}

h1,
h2,
h3,
pre {
  margin: 0;
}

h1,
h2 {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  line-height: 0.96;
}

h1 {
  max-width: none;
  font-size: clamp(2.75rem, 4.5vw, 4.45rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
}

.title-line {
  display: block;
}

.title-line-secondary {
  margin-top: 0.14em;
  font-size: 0.74em;
  line-height: 0.98;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  margin-top: 6px;
}

h3 {
  font-size: 1.3rem;
  line-height: 1.15;
}

.lede {
  max-width: 42rem;
  margin: 0;
  font-size: clamp(1.08rem, 1.8vw, 1.32rem);
  line-height: 1.72;
  color: #24303a;
}

.hero-identity {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(200px, 0.72fr);
  gap: 14px;
  align-items: stretch;
}

.hero-lab,
.hero-authors {
  min-height: 100%;
  padding: 14px 16px;
  border-radius: 20px;
  border: 1px solid rgba(23, 33, 43, 0.08);
  background: rgba(255, 255, 255, 0.62);
}

.hero-lab {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-self: end;
  width: 100%;
}

.hero-lab-icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(23, 33, 43, 0.08);
}

.hero-meta-label {
  margin: 0 0 6px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
  font-size: 0.78rem;
}

.hero-meta-value {
  margin: 0;
  line-height: 1.65;
  color: #24303a;
  font-weight: 700;
}

.hero-meta-separator {
  margin: 0 8px;
  color: rgba(23, 33, 43, 0.28);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 2px 0 4px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff9f6;
  background: linear-gradient(135deg, #d75a47, #ef7f69);
  border-color: rgba(215, 90, 71, 0.24);
  box-shadow: 0 16px 28px rgba(228, 103, 83, 0.22);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.66);
  border-color: rgba(23, 33, 43, 0.1);
}

.button-code {
  color: #f5fbff;
  background-color: #4d8ea1;
  background: linear-gradient(135deg, #4b8798, #6aa7b6);
  border-color: rgba(75, 135, 152, 0.48);
  box-shadow:
    0 16px 28px rgba(47, 96, 111, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.button-code:visited {
  color: #f5fbff;
}

.button-code:hover,
.button-code:focus-visible {
  color: #ffffff;
  background-color: #427e90;
  background: linear-gradient(135deg, #3f7687, #5a98a7);
  border-color: rgba(63, 118, 135, 0.58);
}

.text-link {
  color: var(--accent-blue);
  font-weight: 700;
}

.text-link:hover,
.text-link:focus-visible {
  color: #4f78ac;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  line-height: 1.6;
}

.hero-points li {
  min-height: 100%;
  padding: 15px 16px;
  border-radius: 18px;
  border: 1px solid rgba(23, 33, 43, 0.08);
  background: rgba(255, 255, 255, 0.58);
}

.hero-panel {
  display: grid;
  align-content: start;
  gap: 14px;
  width: 100%;
  max-width: 360px;
  justify-self: end;
}

.panel-card {
  padding: 22px;
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(17, 34, 49, 0.96), rgba(17, 34, 49, 0.9)),
    radial-gradient(circle at top right, rgba(135, 182, 141, 0.18), transparent 34%);
  color: #eff5fb;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
}

.panel-copy {
  margin: 10px 0 0;
  line-height: 1.7;
  color: rgba(239, 245, 251, 0.86);
}

.family-group + .family-group {
  margin-top: 14px;
}

.family-label {
  margin: 0 0 10px;
  color: rgba(239, 245, 251, 0.68);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
  font-size: 0.72rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 700;
}

.chip-coral {
  background: rgba(228, 103, 83, 0.18);
  border-color: rgba(228, 103, 83, 0.3);
}

.chip-blue {
  background: rgba(108, 143, 187, 0.18);
  border-color: rgba(108, 143, 187, 0.3);
}

.chip-orange {
  background: rgba(230, 137, 64, 0.18);
  border-color: rgba(230, 137, 64, 0.34);
}

.chip-lilac {
  background: rgba(176, 132, 184, 0.18);
  border-color: rgba(176, 132, 184, 0.3);
}

.chip-green {
  background: rgba(135, 182, 141, 0.18);
  border-color: rgba(135, 182, 141, 0.3);
}

.chip-yellow {
  background: rgba(226, 202, 98, 0.2);
  border-color: rgba(226, 202, 98, 0.34);
}

.chip-neutral {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  color: rgba(239, 245, 251, 0.86);
}

.section {
  margin-top: 40px;
}

.section-heading {
  margin-bottom: 20px;
}

.intro-grid {
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
}

.prose,
.callout,
.finding-card,
.paper-figure,
.paper-shell,
.citation-block {
  border-radius: var(--radius-lg);
}

.prose,
.callout,
.citation-block {
  padding: 28px;
}

.prose p,
.callout p,
.finding-card p,
.paper-figure figcaption,
.citation-note,
.paper-meta p {
  margin: 0;
  line-height: 1.75;
  color: var(--muted);
}

.prose,
.callout {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 250, 244, 0.72));
}

.callout h3 {
  margin: 8px 0 10px;
}

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

.finding-card {
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 248, 242, 0.8)),
    linear-gradient(135deg, rgba(108, 143, 187, 0.03), rgba(228, 103, 83, 0.03));
}

.finding-number {
  color: var(--accent-coral);
}

.finding-card h3 {
  margin: 14px 0 10px;
}

.paper-figure,
.paper-shell {
  overflow: hidden;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.paper-figure {
  padding: 20px;
}

.figure-stack {
  display: grid;
  gap: 22px;
}

.figure-header,
.paper-meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.figure-header {
  margin-bottom: 16px;
}

.figure-tag {
  margin-bottom: 6px;
}

.paper-figure img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #ffffff;
}

.paper-figure figcaption {
  margin-top: 16px;
}

.paper-shell {
  padding: 24px;
}

.paper-meta {
  padding-bottom: 18px;
}

.paper-meta h3 {
  margin-bottom: 8px;
}

.paper-frame {
  width: 100%;
  min-height: 760px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #ffffff;
}

.citation-block {
  padding: 26px;
  background: linear-gradient(180deg, rgba(17, 34, 49, 0.98), rgba(21, 41, 58, 0.95));
  color: #f5f7fa;
  box-shadow: var(--shadow);
}

.citation-note {
  margin-bottom: 14px;
  color: rgba(245, 247, 250, 0.76);
}

pre {
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer {
  grid-template-columns: 1fr;
  margin-top: 34px;
  padding: 0;
  gap: 16px;
  color: var(--muted);
}

.footer-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
}

.footer-label {
  margin: 0 0 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
  font-size: 0.78rem;
}

.footer-copy {
  margin: 0;
  line-height: 1.75;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 6px;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .intro-grid,
  .findings-grid,
  .figure-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .hero-panel {
    max-width: none;
    justify-self: stretch;
  }

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

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

  .hero-identity {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(var(--max-width), calc(100% - 20px));
    margin-top: 14px;
  }

  .topbar,
  .paper-meta {
    grid-template-columns: 1fr;
  }

  .topbar,
  .hero-copy,
  .prose,
  .callout,
  .finding-card,
  .paper-figure,
  .paper-shell,
  .citation-block {
    padding: 22px;
  }

  .nav-links,
  .hero-actions {
    gap: 12px;
  }

  .hero-identity {
    grid-template-columns: 1fr;
  }

  .hero-points {
    grid-template-columns: 1fr;
  }

  .findings-grid,
  .figure-grid {
    grid-template-columns: 1fr;
  }

  .figure-header,
  .paper-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .footer-separator {
    margin: 0 6px;
  }

  .paper-frame {
    min-height: 520px;
  }
}

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

  .hero,
  .section,
  .footer,
  .button,
  .nav-links a {
    animation: none;
    transition: none;
  }
}