:root {
  --ink: #06183f;
  --ink-soft: #304160;
  --blue: #087ff5;
  --blue-bright: #22b5ff;
  --blue-pale: #eaf5ff;
  --blue-wash: #f5faff;
  --line: #cfe2f5;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(6, 44, 96, 0.12);
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1000;
  padding: 0.7rem 1rem;
  color: var(--white);
  background: var(--ink);
  border-radius: 0.5rem;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section-shell,
.nav-shell {
  width: min(calc(100% - 3rem), var(--max-width));
  margin-inline: auto;
}

.narrow-shell {
  max-width: 940px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(112, 155, 200, 0.25);
  box-shadow: 0 8px 40px rgba(9, 43, 83, 0.08);
  backdrop-filter: blur(18px);
}

.nav-shell {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 760;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.wordmark-symbol {
  display: grid;
  width: 2.1rem;
  height: 2.1rem;
  place-items: center;
  color: var(--white);
  background: linear-gradient(145deg, var(--blue), var(--blue-bright));
  border-radius: 0.65rem;
  font-family: Georgia, serif;
  font-size: 1.35rem;
  box-shadow: 0 10px 24px rgba(8, 127, 245, 0.22);
}

.site-nav {
  display: flex;
  gap: 2rem;
}

.site-nav a {
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--blue);
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 820px;
  padding: 150px 0 90px;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 36%, rgba(74, 184, 255, 0.23), transparent 27%),
    radial-gradient(circle at 18% 12%, rgba(14, 124, 255, 0.12), transparent 28%),
    linear-gradient(145deg, #fbfdff 0%, #f0f8ff 58%, #e6f4ff 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 35%;
  opacity: 0.35;
  background-image: radial-gradient(rgba(8, 127, 245, 0.24) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to top, black, transparent);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(430px, 0.95fr);
  gap: 4rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(5rem, 10vw, 8.5rem);
  line-height: 0.88;
  letter-spacing: -0.085em;
}

.hero h1 .omega {
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

.hero-title {
  max-width: 710px;
  margin: 1.7rem 0 1.25rem;
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.authors {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.authors a {
  text-decoration-color: rgba(8, 127, 245, 0.35);
  text-underline-offset: 0.2em;
}

.author-note {
  margin: 0.25rem 0 0;
  color: #66758f;
  font-size: 0.78rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
}

.button-primary {
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 14px 30px rgba(6, 24, 63, 0.18);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--blue);
}

.button-muted {
  color: #50617d;
  background: rgba(255, 255, 255, 0.68);
  border-color: rgba(112, 155, 200, 0.3);
}

.button-muted:disabled {
  cursor: not-allowed;
  opacity: 0.78;
}

.button-live {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
}

.button-live:hover,
.button-live:focus-visible {
  color: var(--blue);
  border-color: rgba(8, 127, 245, 0.42);
  box-shadow: 0 12px 28px rgba(8, 127, 245, 0.12);
}

.button-icon {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.button-status {
  padding-left: 0.45rem;
  color: #7f8da4;
  border-left: 1px solid #c5d3e2;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.affiliations {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.15rem;
  margin-top: 2.4rem;
}

.affiliation {
  height: 52px;
  display: flex;
  align-items: center;
}

.affiliation-xyz {
  width: 154px;
  overflow: hidden;
}

.affiliation-xyz img {
  width: 154px;
  height: auto;
}

.affiliation-logo {
  width: auto;
  max-width: 150px;
  overflow: hidden;
  padding-left: 1.35rem;
  border-left: 1px solid #bdd0e4;
}

.brand-logo {
  display: block;
  width: auto;
  height: 34px;
  max-width: 150px;
  max-height: 42px;
  object-fit: contain;
}

.brand-logo-tum {
  width: 66px !important;
  height: 34px !important;
  max-width: 66px !important;
  max-height: 34px !important;
}

.affiliation-baai {
  padding-left: 1.35rem !important;
  border-left: 1px solid #bdd0e4 !important;
}

.brand-logo-baai {
  height: 42px;
}

.hero-visual {
  text-align: center;
}

.hero-visual > p {
  max-width: 430px;
  margin: 2.2rem auto 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.loop-ring {
  position: relative;
  width: min(100%, 530px);
  aspect-ratio: 1;
  margin-inline: auto;
  border: 1px solid rgba(8, 127, 245, 0.24);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.95) 0 18%, rgba(190, 228, 255, 0.7) 19% 19.5%, transparent 20%),
    conic-gradient(from 10deg, rgba(8, 127, 245, 0.03), rgba(8, 127, 245, 0.2), rgba(8, 127, 245, 0.03), rgba(8, 127, 245, 0.2), rgba(8, 127, 245, 0.03));
  box-shadow: inset 0 0 80px rgba(8, 127, 245, 0.1), var(--shadow);
  animation: float 7s ease-in-out infinite;
}

.loop-ring::before,
.loop-ring::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(8, 127, 245, 0.25);
  border-radius: 50%;
}

.loop-ring::after {
  inset: 28%;
}

.loop-core {
  position: absolute;
  inset: 50% auto auto 50%;
  z-index: 2;
  width: 150px;
  height: 150px;
  display: grid;
  place-content: center;
  color: var(--white);
  background: linear-gradient(145deg, #071d49, #0d7eff);
  border: 8px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 20px 50px rgba(8, 70, 150, 0.3);
}

.loop-core span {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.loop-core strong {
  font-size: 1.1rem;
}

.loop-node {
  position: absolute;
  z-index: 3;
  min-width: 108px;
  padding: 0.7rem 0.85rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(8, 127, 245, 0.2);
  border-radius: 0.8rem;
  box-shadow: 0 15px 35px rgba(6, 44, 96, 0.12);
}

.loop-node span {
  display: block;
  color: var(--blue);
  font-size: 0.65rem;
  font-weight: 800;
}

.loop-node strong {
  font-size: 0.9rem;
}

.loop-node-one {
  top: 6%;
  left: 50%;
  transform: translateX(-50%);
}

.loop-node-two {
  top: 50%;
  right: -2%;
  transform: translateY(-50%);
}

.loop-node-three {
  bottom: 6%;
  left: 50%;
  transform: translateX(-50%);
}

.loop-node-four {
  top: 50%;
  left: -2%;
  transform: translateY(-50%);
}

.hero-orbit {
  position: absolute;
  border: 1px solid rgba(8, 127, 245, 0.12);
  border-radius: 50%;
  pointer-events: none;
}

.hero-orbit-one {
  width: 760px;
  height: 760px;
  top: -280px;
  right: -300px;
}

.hero-orbit-two {
  width: 540px;
  height: 540px;
  bottom: -330px;
  left: -230px;
}

.abstract-section {
  padding: 90px 0;
}

.abstract {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1.6vw, 1.3rem);
  line-height: 1.8;
  text-align: center;
}

.abstract strong {
  color: var(--ink);
}

.section {
  padding: 105px 0;
}

.section-tinted {
  background: var(--blue-wash);
}

.section-heading {
  margin-bottom: 3.2rem;
}

.section-heading h2 {
  max-width: 790px;
  margin: 0;
  font-size: clamp(2.15rem, 4vw, 3.7rem);
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.section-heading > p:not(.eyebrow) {
  max-width: 680px;
  margin: 1rem 0 0;
  color: var(--ink-soft);
}

.centered-heading {
  text-align: center;
}

.centered-heading h2,
.centered-heading > p:not(.eyebrow) {
  margin-inline: auto;
}

.split-heading {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 3.5rem;
  align-items: end;
}

.split-heading > p {
  margin: 0 0 0.3rem;
  color: var(--ink-soft);
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principle-card {
  min-height: 260px;
  padding: 2rem 1.6rem 2.2rem;
  border-right: 1px solid var(--line);
}

.principle-card:last-child {
  border-right: 0;
}

.principle-number {
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 800;
}

.principle-card h3 {
  margin: 4.5rem 0 0.55rem;
  font-size: 1.45rem;
}

.principle-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.architecture-figure {
  margin: 0;
  padding: 1.2rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
}

.architecture-figure img {
  width: 100%;
}

.architecture-figure figcaption {
  max-width: 900px;
  margin: 1.2rem auto 0.35rem;
  color: #5b6980;
  font-size: 0.82rem;
  text-align: center;
}

.demo-section {
  color: var(--white);
  background:
    radial-gradient(circle at 75% 20%, rgba(22, 144, 255, 0.32), transparent 34%),
    linear-gradient(140deg, #04122f, #06285e 60%, #07599d);
}

.light-heading h2,
.light-heading > p:not(.eyebrow) {
  color: var(--white);
}

.light-heading .eyebrow {
  color: #75c9ff;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  align-items: center;
  gap: 1.2rem;
}

.comparison-column {
  padding: 1.2rem;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 1.2rem;
}

.comparison-highlight {
  background: rgba(10, 139, 255, 0.15);
  border-color: rgba(88, 192, 255, 0.55);
  box-shadow: 0 20px 70px rgba(0, 112, 255, 0.15);
}

.comparison-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  font-weight: 700;
}

.comparison-label span {
  padding: 0.3rem 0.6rem;
  color: var(--ink);
  background: #72c7ff;
  border-radius: 999px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.media-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.media-pair figure {
  margin: 0;
}

.media-pair img {
  width: 100%;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 0.8rem;
}

.media-pair figcaption {
  padding: 0.6rem 0.2rem 0;
  color: #c8d8ee;
  font-size: 0.74rem;
  text-align: center;
}

.comparison-arrow {
  display: grid;
  color: #75c9ff;
  place-items: center;
}

.comparison-arrow span {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.comparison-arrow strong {
  font-size: 3rem;
  font-weight: 300;
}

.media-note {
  margin: 1.3rem 0 0;
  color: #9eb7d3;
  font-size: 0.74rem;
  text-align: center;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.metric-card {
  min-height: 235px;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: #f6faff;
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.metric-primary {
  color: var(--white);
  background: linear-gradient(145deg, #06183f, #087ff5);
  border-color: transparent;
}

.metric-card p {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.metric-card > strong {
  margin: 1.5rem 0 auto;
  font-size: clamp(3rem, 5vw, 4.6rem);
  letter-spacing: -0.07em;
  line-height: 1;
}

.metric-card > strong span {
  margin-left: 0.12em;
  font-size: 0.4em;
}

.metric-delta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-top: 1.2rem;
  color: #66758f;
  border-top: 1px solid var(--line);
  font-size: 0.7rem;
}

.metric-primary .metric-delta {
  color: #c2daf2;
  border-color: rgba(255, 255, 255, 0.2);
}

.metric-delta span {
  text-decoration: line-through;
}

.metric-delta b {
  color: var(--blue);
  font-size: 0.85rem;
}

.metric-primary .metric-delta b {
  color: #7ed1ff;
}

.result-table-wrap {
  margin-top: 3rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.table-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.3rem;
}

.table-heading h3,
.table-heading p {
  margin: 0;
}

.table-heading p {
  color: #718097;
  font-size: 0.75rem;
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 650px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th,
td {
  padding: 1rem;
  border-bottom: 1px solid #dfeaf5;
  text-align: left;
}

thead th {
  color: #6b7a91;
  background: #f5f9fd;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: 0;
}

.gain {
  color: var(--blue);
  font-weight: 800;
}

.image-sequence {
  display: grid;
  gap: 1rem;
}

.heatmap-sequence {
  grid-template-columns: repeat(4, 1fr);
}

.image-sequence figure {
  margin: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
}

.image-sequence img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.image-sequence figcaption {
  padding: 0.9rem 1rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.image-sequence figcaption span {
  margin-right: 0.55rem;
  color: var(--blue);
  font-size: 0.65rem;
}

.diagnostic-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2rem;
  border-top: 1px solid var(--line);
}

.diagnostic-facts div {
  padding: 1.5rem;
  border-right: 1px solid var(--line);
}

.diagnostic-facts div:last-child {
  border-right: 0;
}

.diagnostic-facts strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--blue);
  font-size: 1.3rem;
}

.diagnostic-facts span {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.fidelity-sequence {
  grid-template-columns: repeat(6, 1fr);
}

.fidelity-sequence figure {
  position: relative;
}

.fidelity-sequence figcaption {
  min-height: 62px;
  padding-inline: 0.65rem;
  text-align: center;
}

.fidelity-best {
  border-color: var(--blue) !important;
  box-shadow: 0 0 0 3px rgba(8, 127, 245, 0.1);
}

.fidelity-best::before {
  content: "REFINED";
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  z-index: 2;
  padding: 0.25rem 0.4rem;
  color: var(--white);
  background: var(--blue);
  border-radius: 0.3rem;
  font-size: 0.52rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.fidelity-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.fidelity-metrics article {
  padding: 1.5rem;
  background: var(--blue-wash);
  border-left: 4px solid var(--blue);
}

.fidelity-metrics p,
.fidelity-metrics small {
  margin: 0;
  color: var(--ink-soft);
}

.fidelity-metrics strong {
  display: block;
  margin: 0.45rem 0;
  font-size: 1.6rem;
}

.fidelity-metrics strong span {
  color: #96a7bc;
}

.ablation-section {
  background: #071d49;
  color: var(--white);
}

.ablation-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 5rem;
  align-items: center;
}

.ablation-section .section-heading h2,
.ablation-section .section-heading > p:not(.eyebrow) {
  color: var(--white);
}

.ablation-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: #bad0e8;
  font-size: 0.72rem;
}

.ablation-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.ablation-legend i {
  width: 8px;
  height: 8px;
  background: #73caff;
  border-radius: 50%;
}

.ablation-chart {
  min-height: 390px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  align-items: end;
  padding: 1.5rem 1.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 100% 25%;
}

.bar-group {
  display: grid;
  grid-template-rows: auto 250px auto auto;
  gap: 0.65rem;
  text-align: center;
}

.bar-value {
  color: #72c9ff;
  font-size: 1.7rem;
  font-weight: 800;
}

.bar-track {
  display: flex;
  align-items: end;
  justify-content: center;
}

.bar {
  width: min(68%, 110px);
  height: var(--bar-height);
  background: linear-gradient(to top, #087ff5, #25c2ff);
  border-radius: 0.5rem 0.5rem 0 0;
  box-shadow: 0 0 35px rgba(14, 147, 255, 0.2);
}

.bar-secondary {
  background: linear-gradient(to top, #1768bf, #5aaeea);
}

.bar-tertiary {
  background: linear-gradient(to top, #385b82, #829bb8);
}

.branch-dots {
  display: flex;
  justify-content: center;
  gap: 0.35rem;
}

.branch-dots i {
  width: 7px;
  height: 7px;
  background: #72c9ff;
  border-radius: 50%;
}

.branch-dots i.off {
  background: transparent;
  border: 1px solid #526d8e;
}

.bar-group strong {
  min-height: 46px;
  font-size: 0.78rem;
}

.citation-section {
  color: var(--white);
  background: linear-gradient(135deg, #087ff5, #0354b5);
}

.citation-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 4rem;
  align-items: center;
}

.text-link {
  display: inline-flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-weight: 750;
  text-decoration: none;
}

.code-block {
  position: relative;
  overflow: hidden;
  background: #06183f;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 1rem;
  box-shadow: 0 28px 70px rgba(2, 30, 75, 0.3);
}

.code-block pre {
  margin: 0;
  padding: 3.7rem 1.5rem 1.5rem;
  overflow-x: auto;
  color: #d7eaff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.7;
}

.copy-button {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  padding: 0.45rem 0.7rem;
  color: #badbff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.45rem;
  font: inherit;
  font-size: 0.68rem;
  font-weight: 700;
  cursor: pointer;
}

.copy-button:hover,
.copy-button:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.16);
}

.site-footer {
  padding: 3rem 0;
  color: #9aabc2;
  background: #04122f;
}

.footer-grid {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
}

.footer-wordmark {
  color: var(--white);
}

.footer-grid p {
  margin: 0.6rem 0 0;
  font-size: 0.74rem;
}

.footer-meta {
  text-align: right;
}

.footer-meta p {
  margin: 0.2rem 0;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 1020px) {
  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 4.5rem;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-title,
  .authors {
    margin-inline: auto;
  }

  .hero-actions,
  .affiliations {
    justify-content: center;
  }

  .hero-visual {
    width: min(100%, 580px);
    margin-inline: auto;
  }

  .principle-grid,
  .metric-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .principle-card:nth-child(2) {
    border-right: 0;
  }

  .principle-card:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .fidelity-sequence {
    grid-template-columns: repeat(3, 1fr);
  }

  .ablation-grid,
  .citation-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 760px) {
  .section-shell,
  .nav-shell {
    width: min(calc(100% - 2rem), var(--max-width));
  }

  .site-header {
    background: rgba(255, 255, 255, 0.94);
    border-bottom-color: rgba(112, 155, 200, 0.25);
  }

  .nav-toggle {
    width: 42px;
    height: 42px;
    display: grid;
    place-content: center;
    gap: 6px;
    background: transparent;
    border: 0;
  }

  .nav-toggle span:not(.sr-only) {
    width: 22px;
    height: 2px;
    background: var(--ink);
    transition: transform 180ms ease;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    transform: translateY(4px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
  }

  .site-nav {
    position: absolute;
    top: 74px;
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 0.55rem;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 0.8rem;
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 0.8rem;
  }

  .hero {
    padding-top: 125px;
  }

  .hero h1 {
    font-size: clamp(4rem, 24vw, 6rem);
  }

  .hero-title {
    font-size: 1.45rem;
  }

  .affiliations {
    flex-direction: column;
    gap: 0.9rem;
  }

  .affiliation-logo {
    padding-top: 0.9rem;
    padding-left: 0;
    border-top: 1px solid #bdd0e4;
    border-left: 0;
  }

  .affiliation-baai {
    padding-left: 0 !important;
    border-top: 1px solid #bdd0e4 !important;
    border-left: 0 !important;
  }

  .loop-ring {
    width: min(88vw, 480px);
  }

  .loop-node {
    min-width: 92px;
    padding: 0.55rem;
  }

  .loop-node-two {
    right: -5%;
  }

  .loop-node-four {
    left: -5%;
  }

  .section,
  .abstract-section {
    padding: 75px 0;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .principle-grid,
  .metric-grid,
  .diagnostic-facts,
  .fidelity-metrics {
    grid-template-columns: 1fr;
  }

  .principle-card,
  .principle-card:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .principle-card:last-child {
    border-bottom: 0;
  }

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

  .comparison-arrow {
    transform: rotate(90deg);
  }

  .heatmap-sequence {
    grid-template-columns: repeat(2, 1fr);
  }

  .diagnostic-facts div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .diagnostic-facts div:last-child {
    border-bottom: 0;
  }

  .fidelity-sequence {
    grid-template-columns: repeat(2, 1fr);
  }

  .ablation-chart {
    min-height: 350px;
    padding-inline: 0.5rem;
    gap: 0.45rem;
  }

  .bar-group {
    grid-template-rows: auto 220px auto auto;
  }

  .bar-group strong {
    font-size: 0.66rem;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 460px) {
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    justify-content: center;
  }

  .loop-core {
    width: 120px;
    height: 120px;
  }

  .loop-node-two,
  .loop-node-four {
    top: auto;
    bottom: 21%;
    transform: none;
  }

  .loop-node-one {
    top: 2%;
  }

  .loop-node-three {
    bottom: 2%;
  }

  .media-pair {
    grid-template-columns: 1fr 1fr;
  }

  .table-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .fidelity-sequence {
    grid-template-columns: 1fr 1fr;
  }

  .code-block pre {
    font-size: 0.68rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}