:root {
  --paper: #f7f8f9;
  --ink: #121a21;
  --muted: #4f5d68;
  --line: rgba(18, 26, 33, 0.24);
  --signal: #e56f2d;
  --signal-dark: #174f76;
  --field: #e8eef2;
  --night: #142a3a;
  --night-muted: #d3dbe0;
  --serif: Charter, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --page-gutter: clamp(1.25rem, 4vw, 4.5rem);
  --header-height: 5rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-color: currentColor;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 5px;
}

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--page-gutter);
}

.wordmark {
  font-size: 1.35rem;
  font-weight: 760;
  letter-spacing: -0.055em;
  text-decoration: none;
}

.header-link {
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
}

.header-link span {
  display: inline-block;
  transition: transform 180ms ease;
}

.header-link:hover span {
  transform: translate(0.18rem, -0.18rem);
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(24rem, 0.95fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 6rem);
  padding: calc(var(--header-height) + 2rem) var(--page-gutter) 4rem;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 54rem;
}

.eyebrow {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
p {
  text-wrap: pretty;
}

h1,
h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.042em;
  line-height: 1;
}

h1 {
  max-width: 12ch;
  font-size: clamp(3.3rem, 6vw, 6.3rem);
}

h1 span {
  display: block;
  color: var(--signal-dark);
}

.lede {
  max-width: 36rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  line-height: 1.5;
}

.research-meta {
  display: flex;
  gap: 0.65rem;
  margin: 1.8rem 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.attention-field {
  position: relative;
  width: min(44vw, 38rem);
  aspect-ratio: 1;
  justify-self: end;
  margin: 0;
}

.attention-field::before {
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(229, 111, 45, 0.17), transparent 67%);
  content: "";
  filter: blur(12px);
}

.attention-field svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.orbit,
.trace {
  fill: none;
  stroke: var(--line);
}

.orbit {
  stroke-width: 1;
  stroke-dasharray: 2 8;
}

.orbit-inner {
  opacity: 0.7;
}

.trace {
  stroke-width: 1.7;
  stroke-dasharray: 0.12 0.88;
  stroke-linecap: round;
  animation: trace-flow 5.5s linear infinite;
}

.trace-two {
  animation-delay: -1.5s;
}

.trace-three {
  animation-delay: -3s;
}

.trace-four {
  animation-delay: -4.4s;
}

.source-dot {
  fill: var(--ink);
  opacity: 0.72;
}

.focus-halo {
  fill: none;
  stroke: var(--signal);
  stroke-width: 1;
  opacity: 0.45;
  animation: breathe 3.5s ease-in-out infinite;
  transform-box: fill-box;
  transform-origin: center;
}

.focus {
  fill: var(--signal);
}

.field-label,
.focus-label {
  position: absolute;
  margin: 0;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.label-one {
  top: 24.8%;
  right: calc(90% + 0.7rem);
  transform: translateY(-50%);
}

.label-two {
  top: 19.7%;
  left: calc(90% + 0.7rem);
  transform: translateY(-50%);
}

.label-three {
  top: 77.3%;
  left: calc(88.4% + 0.7rem);
  transform: translateY(-50%);
}

.label-four {
  top: 79.4%;
  right: calc(88.7% + 0.7rem);
  transform: translateY(-50%);
}

.focus-label {
  top: 54.5%;
  left: 50%;
  width: 9rem;
  color: var(--signal-dark);
  text-align: center;
  transform: translate(-50%, 0);
}

.figure-caption {
  position: absolute;
  right: 0;
  bottom: -0.15rem;
  left: 0;
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.025em;
  line-height: 1.35;
  text-align: center;
}

.scroll-cue {
  position: absolute;
  bottom: 1.8rem;
  left: var(--page-gutter);
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.scroll-cue span {
  display: inline-block;
  margin-left: 0.4rem;
  animation: cue 1.8s ease-in-out infinite;
}

.hero-enter {
  animation: enter 760ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
}

.hero-enter-1 {
  animation-delay: 80ms;
}

.hero-enter-2 {
  animation-delay: 150ms;
}

.hero-enter-3 {
  animation-delay: 240ms;
}

.hero-enter-4 {
  animation-delay: 330ms;
}

.section {
  display: grid;
  max-width: 95rem;
  min-height: 42rem;
  grid-template-columns: minmax(4rem, 0.32fr) minmax(0, 1fr);
  gap: clamp(2rem, 8vw, 10rem);
  align-items: start;
  margin: 0 auto;
  padding: clamp(6rem, 11vw, 11rem) var(--page-gutter);
}

.section-index {
  padding-top: 0.15rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.section-copy {
  max-width: 58rem;
}

.section h2 {
  max-width: 15ch;
  font-size: clamp(2.8rem, 5.2vw, 5.5rem);
}

.section-lede {
  margin: 1.3rem 0 0;
  color: var(--signal-dark);
  font-size: clamp(1.3rem, 2.4vw, 2.25rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.section-copy > p:last-child {
  max-width: 40rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
}

.trust {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.72fr);
  gap: clamp(4rem, 10vw, 12rem);
  padding: clamp(6rem, 10vw, 10rem) var(--page-gutter);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--field);
  color: var(--ink);
}

.trust .eyebrow {
  color: var(--signal-dark);
}

.trust h2 {
  max-width: 12ch;
  color: var(--signal-dark);
  font-size: clamp(2.8rem, 5.2vw, 5.5rem);
}

.principles {
  align-self: end;
}

.principles p {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  margin: 0;
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: clamp(1rem, 1.45vw, 1.25rem);
}

.principles p:last-child {
  border-bottom: 1px solid var(--line);
}

.principles span {
  color: var(--signal-dark);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.status {
  min-height: 34rem;
  border-bottom: 1px solid var(--line);
}

.status h2 {
  color: var(--signal-dark);
}

.about {
  display: grid;
  max-width: 95rem;
  grid-template-columns: minmax(10rem, 0.38fr) minmax(0, 1.62fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
  margin: 0 auto;
  padding: clamp(6rem, 10vw, 10rem) var(--page-gutter);
}

.portrait {
  width: 100%;
  max-width: 18rem;
  aspect-ratio: 1;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
}

.about-copy {
  max-width: 48rem;
}

.about-statement {
  margin: 0;
  max-width: 32ch;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.5vw, 2.45rem);
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.about-copy > p:not(.eyebrow):not(.about-statement):not(.contact-note) {
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.contact-note {
  max-width: 42rem;
  margin: 2.5rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 1rem;
}

.contact-address {
  font-family: var(--mono);
  font-size: 0.9em;
  white-space: nowrap;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 2rem var(--page-gutter);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
}

footer p {
  margin: 0;
}

footer p:last-child {
  text-align: right;
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(1.1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes trace-flow {
  to {
    stroke-dashoffset: -1;
  }
}

@keyframes breathe {
  50% {
    opacity: 0.12;
    transform: scale(1.35);
  }
}

@keyframes cue {
  50% {
    transform: translateY(0.28rem);
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 4.5rem;
  }

  .hero {
    grid-template-columns: 1fr;
    align-content: start;
    gap: 1rem;
    padding-top: calc(var(--header-height) + 3rem);
  }

  h1 {
    max-width: 12ch;
    font-size: clamp(3.05rem, 11vw, 5.5rem);
  }

  .lede {
    max-width: 32rem;
  }

  .attention-field {
    width: min(82vw, 32rem);
    justify-self: center;
    margin: -2rem auto 0;
  }

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

  .principles {
    max-width: 40rem;
  }

  .about {
    grid-template-columns: minmax(10rem, 0.42fr) minmax(0, 1.58fr);
    gap: 2.5rem;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: 100svh;
    padding-bottom: 3.8rem;
  }

  .hero-copy {
    align-self: start;
  }

  .eyebrow {
    margin-bottom: 0.9rem;
  }

  h1 {
    font-size: clamp(2.8rem, 12.8vw, 4rem);
  }

  .lede {
    margin-top: 1.3rem;
    font-size: 1rem;
  }

  .attention-field {
    width: min(72vw, 22rem);
    margin: -1.6rem auto 0;
  }

  .scroll-cue {
    bottom: 1.3rem;
  }

  .section {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 6rem;
    padding-bottom: 6rem;
  }

  .section h2,
  .trust h2 {
    font-size: clamp(2.45rem, 10.8vw, 3.65rem);
  }

  .trust {
    grid-template-columns: 1fr;
    gap: 4rem;
    padding-top: 6rem;
    padding-bottom: 6rem;
  }

  .about {
    grid-template-columns: 1fr;
    align-items: start;
    padding-top: 6rem;
    padding-bottom: 6rem;
  }

  .portrait {
    width: min(48vw, 14rem);
    aspect-ratio: 1;
  }

  .about-statement {
    font-size: clamp(1.5rem, 7vw, 2.15rem);
  }

  footer {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  footer p:last-child {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}