:root {
  --paper: #dceeff;
  --paper-soft: #eff7ff;
  --ink: #10253b;
  --muted: #526c83;
  --line: #a9c8e2;
  --accent: #e2634c;
  --focus: #174f82;
  --white: #ffffff;
  --content: 72rem;
  --radius: 1.25rem;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  line-height: 1.5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 20rem;
  background: var(--paper);
  color: var(--ink);
  font-size: 1rem;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(rgba(16, 37, 59, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 37, 59, 0.045) 1px, transparent 1px);
  background-size: 2.5rem 2.5rem;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.22em;
}

a:hover {
  text-decoration-color: var(--accent);
}

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

:focus-visible {
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.25rem;
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  border-radius: 0.5rem;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-180%);
}

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

.shell {
  width: min(calc(100% - 2rem), var(--content));
  margin-inline: auto;
}

.site-header {
  padding-block: 1.25rem;
  border-bottom: 1px solid rgba(16, 37, 59, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.8rem;
  font-weight: 760;
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-mark {
  position: relative;
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid var(--ink);
  border-radius: 50%;
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}

.brand-mark::before {
  inset: 0.34rem;
  border: 1px solid var(--ink);
}

.brand-mark::after {
  top: 0.14rem;
  right: 0.12rem;
  width: 0.38rem;
  height: 0.38rem;
  background: var(--accent);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
}

.primary-nav a {
  position: relative;
  font-size: 0.83rem;
  font-weight: 650;
  text-decoration: none;
}

.primary-nav a[aria-current="page"]::after {
  position: absolute;
  right: 0;
  bottom: -0.45rem;
  left: 0;
  height: 0.13rem;
  background: var(--accent);
  content: "";
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  min-height: 44rem;
  padding-block: clamp(4rem, 9vw, 8rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.4rem;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 2rem;
  height: 1px;
  background: currentColor;
  content: "";
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1.6rem;
  font-size: clamp(3.25rem, 8vw, 7.5rem);
  font-weight: 650;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

h2 {
  max-width: 18ch;
  margin-bottom: 1rem;
  font-size: clamp(2.15rem, 5vw, 4.35rem);
  font-weight: 630;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.25rem;
  line-height: 1.2;
}

.lede {
  max-width: 37rem;
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.15rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 740;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-0.12rem);
}

.button-primary {
  background: var(--ink);
  color: var(--white);
}

.button-secondary {
  background: transparent;
}

.orbit-stage {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.95), rgba(239, 247, 255, 0.38) 54%, transparent 55%);
}

.orbit,
.orbit::before,
.orbit::after {
  position: absolute;
  border: 1px solid rgba(16, 37, 59, 0.35);
  border-radius: 50%;
  content: "";
}

.orbit {
  width: 78%;
  height: 78%;
}

.orbit::before {
  inset: 16%;
  transform: rotate(24deg) scaleX(1.35);
}

.orbit::after {
  inset: 31%;
  background: var(--white);
  box-shadow: 0 0 0 0.6rem rgba(255, 255, 255, 0.42);
}

.node {
  position: absolute;
  z-index: 2;
  width: 0.9rem;
  height: 0.9rem;
  border: 0.2rem solid var(--paper);
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
}

.node-one { top: 17%; left: 46%; background: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.node-two { right: 12%; bottom: 34%; }
.node-three { bottom: 15%; left: 28%; }
.node-four { top: 34%; left: 13%; background: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

.section {
  padding-block: clamp(4.5rem, 9vw, 8rem);
  border-top: 1px solid rgba(16, 37, 59, 0.18);
}

.section-soft {
  background: rgba(239, 247, 255, 0.55);
}

.section-head {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: clamp(2.4rem, 5vw, 4.5rem);
}

.section-head p {
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.08rem;
}

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

.research-card,
.entry-card {
  min-height: 18rem;
  padding: clamp(1.3rem, 3vw, 2rem);
  border: 1px solid rgba(16, 37, 59, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.48);
}

.research-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-index,
.entry-meta {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.research-card p,
.entry-card p {
  color: var(--muted);
}

.entry-card a {
  font-weight: 700;
}

.page-hero {
  max-width: 52rem;
  padding-block: clamp(5rem, 12vw, 9rem);
}

.page-hero h1 {
  max-width: 11ch;
  font-size: clamp(3.5rem, 9vw, 7rem);
}

.entries {
  display: grid;
  gap: 1rem;
}

.entry-row {
  display: grid;
  grid-template-columns: minmax(9rem, 0.35fr) minmax(0, 1.65fr);
  gap: 2rem;
  padding-block: 2rem;
  border-top: 1px solid rgba(16, 37, 59, 0.22);
}

.entry-row:last-child {
  border-bottom: 1px solid rgba(16, 37, 59, 0.22);
}

.entry-row p {
  max-width: 45rem;
  margin-bottom: 0;
  color: var(--muted);
}

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

.project-card {
  min-height: 23rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid rgba(16, 37, 59, 0.22);
  border-radius: var(--radius);
  background: var(--paper-soft);
}

.project-art {
  position: relative;
  height: 10rem;
  margin-bottom: 2.5rem;
  overflow: hidden;
  border-radius: calc(var(--radius) * 0.7);
  background:
    linear-gradient(120deg, transparent 47%, rgba(16, 37, 59, 0.3) 48% 49%, transparent 50%),
    radial-gradient(circle at 28% 43%, var(--accent) 0 0.45rem, transparent 0.5rem),
    radial-gradient(circle at 70% 64%, var(--ink) 0 0.55rem, transparent 0.6rem),
    var(--paper);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(16rem, 0.8fr);
  gap: clamp(2rem, 8vw, 7rem);
}

.principles {
  margin: 0;
  padding: 0;
  list-style: none;
}

.principles li {
  padding-block: 1rem;
  border-top: 1px solid rgba(16, 37, 59, 0.22);
  font-weight: 650;
}

.principles li:last-child {
  border-bottom: 1px solid rgba(16, 37, 59, 0.22);
}

.site-footer {
  padding-block: 2rem;
  border-top: 1px solid rgba(16, 37, 59, 0.18);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 48rem) {
  .header-inner {
    position: relative;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-top: 0.5rem;
  }

  .primary-nav a {
    padding-block: 0.9rem;
    border-top: 1px solid rgba(16, 37, 59, 0.18);
  }

  .primary-nav a[aria-current="page"]::after {
    top: 50%;
    right: 0;
    bottom: auto;
    left: auto;
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 50%;
    transform: translateY(-50%);
  }

  .hero,
  .section-head,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .orbit-stage {
    width: min(100%, 28rem);
    margin-inline: auto;
  }

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

  .research-card {
    min-height: 14rem;
  }
}

@media (max-width: 30rem) {
  .shell {
    width: min(calc(100% - 1.25rem), var(--content));
  }

  h1 {
    font-size: clamp(2.9rem, 16vw, 4.4rem);
  }

  .button {
    width: 100%;
  }

  .entry-row {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

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

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Expressive motion layer */
:root {
  --ease-expressive: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.2, 0.9, 0.25, 1.25);
  --motion-fast: 180ms;
  --motion-medium: 520ms;
  --pointer-x: 50vw;
  --pointer-y: 30vh;
  --spotlight-opacity: 0;
}

body {
  isolation: isolate;
  overflow-x: hidden;
}

body::before {
  animation: background-grid-drift 12s linear infinite;
  will-change: background-position;
}

body::after {
  position: fixed;
  z-index: -1;
  top: 0;
  left: 0;
  width: 32rem;
  height: 32rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(226 99 76 / 18%) 0%, rgb(109 183 235 / 10%) 38%, transparent 70%);
  content: "";
  opacity: var(--spotlight-opacity);
  pointer-events: none;
  transform: translate3d(calc(var(--pointer-x) - 16rem), calc(var(--pointer-y) - 16rem), 0);
  transition: opacity var(--motion-medium) ease;
  will-change: transform, opacity;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  background: rgb(220 238 255 / 82%);
  box-shadow: 0 1px 0 rgb(16 37 59 / 8%);
  backdrop-filter: blur(1rem) saturate(135%);
}

.brand-mark {
  animation: brand-orbit 9s linear infinite;
  box-shadow: 0 0 0 0 rgb(226 99 76 / 25%);
  transition: box-shadow var(--motion-fast) ease, transform var(--motion-fast) var(--ease-spring);
}

.brand:hover .brand-mark {
  box-shadow: 0 0 0 0.4rem rgb(226 99 76 / 13%);
  transform: scale(1.08) rotate(12deg);
}

.primary-nav a {
  isolation: isolate;
  overflow: hidden;
}

.primary-nav a::before {
  position: absolute;
  z-index: -1;
  right: 0.8rem;
  bottom: 0.32rem;
  left: 0.8rem;
  height: 0.42rem;
  border-radius: 999px;
  background: rgb(226 99 76 / 18%);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 320ms var(--ease-expressive);
}

.primary-nav a:hover::before,
.primary-nav a:focus-visible::before {
  transform: scaleX(1);
  transform-origin: left;
}

.primary-nav a[aria-current="page"]::after {
  animation: active-link-pulse 2.4s ease-in-out infinite;
}

.button,
.menu-toggle {
  transition: transform var(--motion-fast) var(--ease-spring), box-shadow var(--motion-fast) ease,
    background-color var(--motion-fast) ease, color var(--motion-fast) ease;
}

.button:hover,
.menu-toggle:hover {
  box-shadow: 0 0.7rem 1.6rem rgb(16 37 59 / 15%);
  transform: translateY(-0.2rem);
}

.button:active,
.menu-toggle:active {
  box-shadow: 0 0.2rem 0.55rem rgb(16 37 59 / 12%);
  transform: translateY(0.08rem) scale(0.98);
}

.js .reveal-ready {
  transition: opacity 680ms var(--ease-expressive) var(--reveal-delay, 0ms),
    filter 680ms var(--ease-expressive) var(--reveal-delay, 0ms),
    transform 680ms var(--ease-expressive) var(--reveal-delay, 0ms);
}

.js .reveal-ready:not(.is-visible) {
  opacity: 0;
  filter: blur(0.38rem);
  transform: translate3d(0, 2rem, 0) scale(0.985);
}

.js .reveal-ready.is-visible {
  opacity: 1;
  filter: none;
  transform: none;
}

.orbit-stage {
  --orbit-rotate-x: 0deg;
  --orbit-rotate-y: 0deg;
  --orbit-shift-x: 0px;
  --orbit-shift-y: 0px;
  animation: stage-float 3.8s ease-in-out infinite;
  transform: perspective(50rem) translate3d(var(--orbit-shift-x), var(--orbit-shift-y), 0)
    rotateX(var(--orbit-rotate-x)) rotateY(var(--orbit-rotate-y));
  transform-style: preserve-3d;
  transition: transform 420ms var(--ease-expressive);
  will-change: transform;
}

.orbit {
  animation: orbit-spin 6.8s linear infinite;
  transform-style: preserve-3d;
}

.orbit::before {
  animation: orbit-spin-reverse 9s linear infinite;
}

.orbit::after {
  animation: core-breathe 2.2s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgb(226 99 76 / 24%);
}

.node {
  animation: node-pulse 1.8s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgb(16 37 59 / 18%);
}

.node:nth-child(2) {
  animation-delay: -0.6s;
}

.node:nth-child(3) {
  animation-delay: -1.2s;
}

.has-fine-pointer .is-card-interactive {
  --card-rotate-x: 0deg;
  --card-rotate-y: 0deg;
  --card-lift: 0px;
  transform: perspective(55rem) translate3d(0, var(--card-lift), 0) rotateX(var(--card-rotate-x))
    rotateY(var(--card-rotate-y));
  transform-style: preserve-3d;
  transition: transform 260ms var(--ease-expressive), border-color var(--motion-fast) ease,
    box-shadow 260ms ease;
  will-change: transform;
}

.has-fine-pointer .is-card-interactive:hover {
  border-color: rgb(226 99 76 / 70%);
  box-shadow: 0 1.15rem 2.6rem rgb(16 37 59 / 16%);
}

.research-card > *,
.entry-card > *,
.project-card > * {
  transform: translateZ(1rem);
}

.project-art {
  transition: transform 620ms var(--ease-expressive), filter 620ms ease;
}

.project-card:hover .project-art {
  filter: saturate(1.14) contrast(1.03);
  transform: translateZ(1rem) scale(1.045) rotate(0.5deg);
}

.entry-row {
  border-radius: 0.85rem;
  transition: background-color var(--motion-fast) ease, padding-inline var(--motion-fast) ease,
    transform 260ms var(--ease-expressive);
}

.entry-row:hover {
  background: rgb(255 255 255 / 42%);
  padding-inline: 0.75rem;
}

.principles li {
  transition: transform var(--motion-fast) var(--ease-expressive), color var(--motion-fast) ease;
}

.principles li:hover {
  color: var(--ink);
  transform: translateX(0.45rem);
}

@media (max-width: 47.999rem) {
  .js .primary-nav:not([hidden]) {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transform: translateY(-0.6rem);
    transition: max-height 340ms var(--ease-expressive), opacity 240ms ease,
      transform 340ms var(--ease-expressive);
  }

  .js.is-menu-open .primary-nav:not([hidden]) {
    max-height: 20rem;
    opacity: 1;
    transform: none;
  }

  body::after {
    width: 22rem;
    height: 22rem;
    transform: translate3d(calc(var(--pointer-x) - 11rem), calc(var(--pointer-y) - 11rem), 0);
  }
}

@keyframes background-grid-drift {
  to {
    background-position: 2rem 2rem;
  }
}

@keyframes brand-orbit {
  0%,
  86%,
  100% {
    rotate: 0deg;
  }
  92% {
    rotate: 12deg;
  }
  96% {
    rotate: -5deg;
  }
}

@keyframes active-link-pulse {
  50% {
    opacity: 0.52;
    transform: scaleX(0.72);
  }
}

@keyframes orbit-spin {
  to {
    rotate: 360deg;
  }
}

@keyframes orbit-spin-reverse {
  from {
    transform: rotate(24deg) scaleX(1.35) rotate(0deg);
  }
  to {
    transform: rotate(24deg) scaleX(1.35) rotate(-360deg);
  }
}

@keyframes core-breathe {
  50% {
    box-shadow: 0 0 0 1.1rem rgb(226 99 76 / 0%);
    transform: translate(-50%, -50%) scale(1.11);
  }
}

@keyframes node-pulse {
  50% {
    box-shadow: 0 0 0 0.7rem rgb(16 37 59 / 0%);
    scale: 1.16;
  }
}

@keyframes stage-float {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -0.55rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  body::after {
    opacity: 0 !important;
  }

  .js .reveal-ready,
  .js .reveal-ready:not(.is-visible) {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
  }

  .orbit-stage,
  .has-fine-pointer .is-card-interactive {
    translate: none !important;
    transform: none !important;
  }

  .primary-nav:not([hidden]) {
    max-height: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Inner-page interactive laboratory */
.notes-timeline {
  position: relative;
  display: grid;
  gap: 1.1rem;
  padding-left: clamp(2.5rem, 6vw, 5.25rem);
}

.notes-timeline::before {
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: clamp(0.75rem, 2.7vw, 2.25rem);
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--line) 5%, var(--line) 95%, transparent);
  content: "";
}

.note-article {
  position: relative;
  display: grid;
  grid-template-columns: minmax(9rem, 0.34fr) minmax(0, 1.66fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(1.6rem, 4vw, 2.7rem);
  border: 1px solid rgb(16 37 59 / 18%);
  border-radius: var(--radius);
  background: rgb(255 255 255 / 38%);
  box-shadow: 0 0 0 rgb(16 37 59 / 0%);
  transition: border-color 420ms var(--ease-expressive), background-color 420ms ease,
    box-shadow 420ms ease, transform 420ms var(--ease-expressive);
}

.note-article::before {
  position: absolute;
  top: 2.2rem;
  left: calc(clamp(0.75rem, 2.7vw, 2.25rem) * -1 - clamp(2.5rem, 6vw, 5.25rem) + 0.1rem);
  width: 0.9rem;
  height: 0.9rem;
  border: 0.2rem solid var(--paper-soft);
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
  content: "";
  transition: background-color 320ms ease, box-shadow 320ms ease, scale 320ms var(--ease-spring);
}

.note-article::after {
  position: absolute;
  top: 2.65rem;
  right: 100%;
  width: clamp(2.5rem, 6vw, 5.25rem);
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  content: "";
  opacity: 0;
  transform: scaleX(0.25);
  transform-origin: right;
  transition: opacity 420ms ease, transform 520ms var(--ease-expressive);
}

.note-article.is-reading {
  border-color: rgb(226 99 76 / 66%);
  background: rgb(255 255 255 / 70%);
  box-shadow: 0 1.1rem 2.8rem rgb(16 37 59 / 10%);
  transform: translateX(0.35rem);
}

.note-article.is-reading::before {
  animation: timeline-scan 2.2s ease-in-out infinite;
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 1.1rem rgb(226 99 76 / 48%);
  scale: 1.2;
}

.note-article.is-reading::after {
  opacity: 1;
  transform: scaleX(1);
}

.note-article h2 {
  max-width: 22ch;
  margin-bottom: 1.25rem;
  font-size: clamp(1.75rem, 4vw, 3.35rem);
}

.note-body {
  max-width: 47rem;
}

.note-body p {
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.72;
}

.note-body p:last-child {
  margin-bottom: 0;
  color: var(--ink);
}

.project-scene {
  isolation: isolate;
  display: block;
  border: 1px solid rgb(16 37 59 / 14%);
  background-color: var(--paper);
  background-image: linear-gradient(rgb(16 37 59 / 5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(16 37 59 / 5%) 1px, transparent 1px);
  background-size: 1.25rem 1.25rem;
  box-shadow: inset 0 0 2.5rem rgb(16 37 59 / 5%);
}

.project-scene i,
.project-scene::before,
.project-scene::after {
  position: absolute;
  display: block;
  content: "";
}

[data-scene="orbit"]::before,
[data-scene="orbit"]::after {
  top: 50%;
  left: 50%;
  border: 1px solid rgb(16 37 59 / 44%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

[data-scene="orbit"]::before {
  width: 7rem;
  height: 7rem;
  animation: lab-orbit 8s linear infinite;
  box-shadow: inset 0 0 0 1.5rem rgb(255 255 255 / 18%);
}

[data-scene="orbit"]::after {
  width: 11rem;
  height: 4.5rem;
  animation: lab-orbit 11s linear infinite reverse;
}

[data-scene="orbit"] i {
  z-index: 2;
  width: 0.72rem;
  height: 0.72rem;
  border: 0.15rem solid var(--paper);
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
}

[data-scene="orbit"] i:nth-child(1) { top: 22%; left: 48%; background: var(--accent); }
[data-scene="orbit"] i:nth-child(2) { right: 22%; bottom: 28%; }
[data-scene="orbit"] i:nth-child(3) { bottom: 18%; left: 27%; background: var(--accent); }

[data-scene="relay"]::before {
  top: 50%;
  right: 14%;
  left: 14%;
  height: 1px;
  background: var(--ink);
  opacity: 0.4;
}

[data-scene="relay"]::after {
  top: calc(50% - 0.38rem);
  left: 15%;
  z-index: 3;
  width: 0.76rem;
  height: 0.76rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 1rem rgb(226 99 76 / 70%);
  animation: relay-travel 4.8s linear infinite;
}

[data-scene="relay"] i {
  top: calc(50% - 0.62rem);
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--ink);
  border-radius: 0.35rem;
  background: var(--paper-soft);
  box-shadow: 0 0 0 0.35rem rgb(239 247 255 / 65%);
}

[data-scene="relay"] i:nth-child(1) { left: 12%; }
[data-scene="relay"] i:nth-child(2) { left: calc(50% - 0.62rem); }
[data-scene="relay"] i:nth-child(3) { right: 12%; }

[data-scene="trace"]::before {
  top: 50%;
  left: 12%;
  width: 18%;
  height: 1px;
  background: var(--accent);
}

[data-scene="trace"]::after {
  top: calc(50% - 0.35rem);
  left: 10%;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 1rem rgb(226 99 76 / 55%);
}

[data-scene="trace"] i {
  left: 29%;
  width: 56%;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0.12);
  transform-origin: left;
  animation: trace-grow 6.2s ease-in-out infinite;
}

[data-scene="trace"] i::before {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 1px;
  height: 2.2rem;
  background: inherit;
  content: "";
  transform-origin: bottom;
  rotate: var(--branch-angle, 0deg);
}

[data-scene="trace"] i:nth-child(1) { top: 28%; --branch-angle: -40deg; }
[data-scene="trace"] i:nth-child(2) { top: 50%; animation-delay: -2s; }
[data-scene="trace"] i:nth-child(3) { top: 72%; --branch-angle: 40deg; animation-delay: -4s; }

[data-scene="protocol"] {
  background-size: 2rem 2rem;
}

[data-scene="protocol"]::before {
  inset: 14% 10%;
  border: 1px solid rgb(16 37 59 / 22%);
  border-radius: 0.55rem;
  background: repeating-linear-gradient(90deg, transparent 0 24%, rgb(16 37 59 / 12%) 24% 25%);
}

[data-scene="protocol"]::after {
  top: 14%;
  bottom: 14%;
  left: 10%;
  width: 25%;
  border-radius: 0.55rem 0 0 0.55rem;
  background: rgb(226 99 76 / 20%);
  animation: protocol-scan 5.6s steps(3, end) infinite;
}

[data-scene="protocol"] i {
  z-index: 2;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 0.16rem;
  background: var(--ink);
  animation: node-pulse 2.4s ease-in-out infinite;
}

[data-scene="protocol"] i:nth-child(1) { top: 30%; left: 23%; }
[data-scene="protocol"] i:nth-child(2) { top: 56%; left: 49%; animation-delay: -0.8s; }
[data-scene="protocol"] i:nth-child(3) { top: 36%; right: 20%; animation-delay: -1.6s; background: var(--accent); }


.about-process {
  position: relative;
  padding-left: 3.25rem;
}

.about-process::before {
  position: absolute;
  top: 1.5rem;
  bottom: 1.5rem;
  left: 1.15rem;
  width: 1px;
  background: linear-gradient(var(--line), var(--ink), var(--line));
  content: "";
}

.about-process::after {
  position: absolute;
  top: 1.5rem;
  left: 0.84rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 1rem rgb(226 99 76 / 70%);
  content: "";
  opacity: 0;
}

.about-process.is-process-ready::after {
  animation: principle-pulse 7s var(--ease-expressive) infinite;
  opacity: 1;
}

.about-process li {
  position: relative;
  min-height: 4.2rem;
  padding: 1.25rem 1rem 1.25rem 0;
  border-color: rgb(16 37 59 / 18%);
  border-radius: 0 0.65rem 0.65rem 0;
  transition: color 220ms ease, background-color 220ms ease, padding-left 320ms var(--ease-expressive),
    transform 320ms var(--ease-expressive);
}

.about-process li::before {
  position: absolute;
  top: 50%;
  left: -3.25rem;
  width: 2.25rem;
  color: var(--muted);
  content: attr(data-principle);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-align: center;
  transform: translateY(-50%);
  transition: color 220ms ease, scale 220ms var(--ease-spring);
}

.about-process li:hover,
.about-process li:focus-visible {
  background: rgb(255 255 255 / 52%);
  color: var(--ink);
  transform: none;
}

.about-process li:hover::before,
.about-process li:focus-visible::before {
  color: var(--accent);
  scale: 1.18;
}

@media (max-width: 47.999rem) {
  .notes-timeline {
    padding-left: 2rem;
  }

  .notes-timeline::before {
    left: 0.42rem;
  }

  .note-article {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1.35rem;
  }

  .note-article::before {
    top: 1.7rem;
    left: -2.05rem;
  }

  .note-article::after {
    top: 2.1rem;
    width: 2rem;
  }

  .note-article.is-reading {
    transform: none;
  }

  .project-scene {
    height: 8.5rem;
  }
}

@keyframes timeline-scan {
  50% {
    box-shadow: 0 0 0 0.8rem rgb(226 99 76 / 0%), 0 0 1.3rem rgb(226 99 76 / 55%);
  }
}

@keyframes lab-orbit {
  to {
    rotate: 360deg;
  }
}

@keyframes relay-travel {
  0%, 12% { transform: translateX(0); opacity: 0; }
  20% { opacity: 1; }
  48% { transform: translateX(12.7rem); opacity: 1; }
  60%, 100% { transform: translateX(12.7rem); opacity: 0; }
}

@keyframes trace-grow {
  0%, 12% { opacity: 0; transform: scaleX(0.12); }
  28%, 72% { opacity: 1; transform: scaleX(1); }
  88%, 100% { opacity: 0; transform: scaleX(1); }
}

@keyframes protocol-scan {
  0%, 16% { transform: translateX(0); opacity: 0; }
  28% { opacity: 1; }
  78% { transform: translateX(200%); opacity: 1; }
  92%, 100% { transform: translateX(200%); opacity: 0; }
}

@keyframes principle-pulse {
  0%, 8% { top: 1.5rem; opacity: 0; }
  14% { opacity: 1; }
  82% { top: calc(100% - 2rem); opacity: 1; }
  92%, 100% { top: calc(100% - 2rem); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .note-article,
  .note-article.is-reading,
  .project-scene,
  .project-scene::before,
  .project-scene::after,
  .project-scene i,
  .about-process::after {
    animation: none !important;
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
    transition: none !important;
  }

  .note-article::after {
    opacity: 0 !important;
  }

  .project-card:hover .project-scene {
    transform: none !important;
  }
}