:root {
  color-scheme: light;
  --paper: #f7f6f1;
  --ink: #171d1d;
  --ink-soft: #344542;
  --muted: #4d605c;
  --signal: #2f6963;
  --line: rgba(23, 29, 29, 0.22);
  --line-strong: rgba(23, 29, 29, 0.4);
  --line-far: #849792;
  --line-mid: #527a72;
  --line-near: #315e58;
  --node-far: #e3ece7;
  --node-mist: #c8dbd4;
  --node-mid: #8fb4aa;
  --node-deep: #5e8c82;
  --wash-signal: rgba(47, 105, 99, 0.045);
  --wash-ink: rgba(23, 29, 29, 0.018);
  --page-gutter: clamp(1rem, 5vw, 5.5rem);
  --page-max: 1240px;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}
body {
  min-width: min(320px, 100%);
  margin: 0;
  padding-block: env(safe-area-inset-top, 0px) env(safe-area-inset-bottom, 0px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--signal);
  color: var(--paper);
}

.page-width {
  width: min(100%, var(--page-max));
  margin-inline: auto;
  padding-inline-start: max(var(--page-gutter), env(safe-area-inset-left, 0px));
  padding-inline-end: max(var(--page-gutter), env(safe-area-inset-right, 0px));
}

:where(a) {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

:where(a:hover) {
  color: var(--signal);
}

:where(a:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible, button:focus-visible),
.skip-link:focus-visible,
main:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}
main:focus-visible {
  outline-offset: -4px;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: max(0.75rem, env(safe-area-inset-top, 0px));
  left: max(0.75rem, env(safe-area-inset-left, 0px));
  padding: 0.55rem 0.75rem;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-160%);
  transition: transform 160ms ease-out;
}
.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--line-strong);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 1.2rem;
  padding-bottom: 1.15rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  width: fit-content;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 720;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.wordmark__mark {
  display: inline-grid;
  width: 1.85rem;
  height: 1.85rem;
  place-items: center;
  border: 1px solid var(--ink);
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: -0.1em;
  line-height: 1;
}

.section-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: clamp(0.8rem, 2.8vw, 2.1rem);
  padding: 0;
  margin: 0;
  list-style: none;
}

.section-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.7rem 0.25rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-decoration-color: var(--signal);
  text-underline-offset: 0.35em;
}

.section-nav a:hover {
  color: var(--ink);
}

.hero {
  padding-top: clamp(3.75rem, 9vw, 8rem);
  padding-bottom: clamp(3.5rem, 7vw, 6.5rem);
  border-bottom: 1px solid var(--line-strong);
}

.hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(18rem, 0.92fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: center;
}

.hero__copy {
  min-width: 0;
}

.hero h1,
.section h2 {
  max-width: 14ch;
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 0.99;
  text-wrap: balance;
}

.hero h1 {
  max-width: 15ch;
  font-size: clamp(2.7rem, 7.3vw, 5.6rem);
}

.hero__lede {
  max-width: 62ch;
  margin: clamp(1.7rem, 3.2vw, 2.6rem) 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.03rem, 1.5vw, 1.24rem);
  line-height: 1.55;
}

.hero-map {
  width: 100%;
  max-width: 34rem;
  margin: 0;
  padding: clamp(0.6rem, 2.5vw, 1.35rem);
  justify-self: end;
}

.hero-map__art {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.network-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  vector-effect: non-scaling-stroke;
}

.network-line--far {
  stroke: var(--line-far);
  stroke-width: 1.5;
}

.network-line--mid {
  stroke: var(--line-mid);
  stroke-width: 1.75;
}

.network-line--near {
  stroke: var(--line-near);
  stroke-width: 2;
}

.network-line--deep {
  stroke: var(--ink);
  stroke-width: 2.15;
}

.network-line--signal {
  stroke: var(--signal);
  stroke-width: 2.05;
}

.network-node {
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.network-node--far {
  fill: var(--node-far);
  stroke: var(--line-far);
}

.network-node--mist {
  fill: var(--node-mist);
  stroke: var(--line-mid);
}

.network-node--mid {
  fill: var(--node-mid);
  stroke: var(--line-near);
}

.network-node--deep {
  fill: var(--node-deep);
  stroke: var(--ink);
}

.network-node--signal {
  fill: var(--signal);
  stroke: var(--ink);
}

.section--focus {
  background-color: var(--wash-signal);
}

.section--about {
  background-color: var(--wash-ink);
  border-top: 1px solid var(--line);
}

.section {
  padding-top: clamp(4.5rem, 8vw, 7.75rem);
  padding-bottom: clamp(4.5rem, 8vw, 7.75rem);
  scroll-margin-top: 1rem;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(16rem, 0.95fr);
  gap: clamp(2.25rem, 7vw, 7rem);
  align-items: center;
}

.section h2 {
  max-width: 14ch;
  font-size: clamp(2.25rem, 5vw, 4.35rem);
}

.section__copy,
.field-figure,
.profile-figure {
  min-width: 0;
}

.section__copy--wide {
  max-width: 70ch;
}

.section-intro,
.section-copy {
  max-width: 58ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.62;
}

.section-intro {
  margin: clamp(1.5rem, 3vw, 2.4rem) 0 0;
}

.section-copy {
  margin: 1.2rem 0 0;
}
.profile-figure {
  max-width: 28rem;
  margin: 0;
  padding: clamp(1rem, 2.5vw, 1.8rem);
}

.profile-photo-frame {
  position: relative;
  display: grid;
  width: min(100%, 22rem);
  aspect-ratio: 1 / 1;
  place-items: center;
  margin-inline: auto;
  overflow: hidden;
  border: 0;
  border-radius: 50%;
  background: var(--signal);
}

.profile-figure__image {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}

.profile-figure__image[hidden] {
  display: none !important;
}

.profile-photo-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-align: center;
  text-transform: uppercase;
}

.profile-photo-frame--error {
  background: var(--signal);
}

.profile-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  width: fit-content;
  max-width: 100%;
  margin: 1rem auto 0;
  padding: 0.65rem 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.35;
  text-decoration-color: currentColor;
  text-underline-offset: 0.28em;
  transition: color 160ms ease-out;
}

.profile-link:hover {
  border-color: transparent;
  background: transparent;
  color: var(--signal);
}

.profile-link__icon {
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 auto;
}

.site-footer {
  border-top: 1px solid var(--line-strong);
  padding-top: 1.35rem;
  padding-bottom: 1.5rem;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}


.scope-list dt,
.diagram-label {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.field-figure {
  max-width: 34rem;
  margin: 0;
  padding: clamp(1rem, 2.5vw, 1.8rem);
}

.field-figure__art {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.diagram-line {
  fill: none;
  stroke: var(--ink-soft);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.5;
  vector-effect: non-scaling-stroke;
}

.diagram-node {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.diagram-node--signal {
  fill: var(--signal);
  stroke: var(--signal);
}

.diagram-label {
  fill: var(--ink);
  font-size: 18px;
  text-anchor: middle;
  dominant-baseline: middle;
}

.diagram-label--inverse {
  fill: var(--paper);
}

.scope-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 3rem;
  max-width: 70ch;
  padding: 0;
  margin: clamp(3rem, 6vw, 5rem) 0 0;
}

.scope-list > div {
  padding: 1rem 0 1.15rem;
  border-top: 1px solid var(--line);
}

.scope-list > div:nth-last-child(-n + 2) {
  border-bottom: 1px solid var(--line);
}

.scope-list dd {
  max-width: 32ch;
  margin: 0.45rem 0 0;
  line-height: 1.5;
}

.faq-list {
  max-width: 70ch;
  margin: clamp(2.5rem, 5vw, 4.5rem) 0 0;
}

.faq-item {
  border-top: 1px solid var(--line);
}

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

.faq-item summary {
  position: relative;
  display: flex;
  align-items: baseline;
  min-height: 3.5rem;
  padding: 1.15rem 2.5rem 1.15rem 0;
  color: var(--ink);
  font-size: 1.03rem;
  font-weight: 650;
  line-height: 1.45;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 0;
  color: var(--signal);
  content: "+";
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 62ch;
  padding: 0 2.75rem 1.35rem 0;
  color: var(--ink-soft);
  line-height: 1.62;
}

.faq-answer p {
  margin: 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(18rem, 1.15fr);
  gap: clamp(2.25rem, 7vw, 7rem);
  align-items: start;
}

.contact-email {
  margin: clamp(1.5rem, 3vw, 2.4rem) 0 0;
  color: var(--ink-soft);
}

.contact-email__label,
.contact-form label {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.contact-email__label {
  margin-right: 0.65rem;
}

.contact-form {
  min-width: 0;
  max-width: 42rem;
}

.contact-form__honeypot {
  display: none !important;
}

.contact-form__field {
  display: grid;
  gap: 0.45rem;
}

.contact-form__field + .contact-form__field {
  margin-top: 1.15rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  line-height: 1.45;
}

.contact-form input {
  min-height: 2.9rem;
  padding: 0.65rem 0.75rem;
}

.contact-form textarea {
  min-height: 10rem;
  padding: 0.7rem 0.75rem;
  resize: vertical;
}

.contact-form input:hover,
.contact-form textarea:hover {
  border-color: var(--ink);
}

.field-note {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.contact-note,
.contact-status,
.contact-noscript {
  max-width: 58ch;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.contact-note {
  margin: 1.25rem 0 0;
}

.contact-status {
  min-height: 1.55em;
  margin: 0.7rem 0 0;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.contact-form__actions {
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.contact-form button {
  min-height: 2.75rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--ink);
  color: var(--paper);
  font: 700 0.72rem/1.35 var(--mono);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 160ms ease-out, border-color 160ms ease-out;
}

.contact-form button:hover {
  border-color: var(--signal);
  background: var(--signal);
}

.contact-noscript {
  margin: 1rem 0 0;
}

@media (max-width: 700px) {
  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 1.1rem;
  }

  .section-nav ul {
    justify-content: flex-start;
    gap: 0.85rem 1.1rem;
  }

  .hero {
    padding-top: 3.5rem;
    padding-bottom: 3.8rem;
  }

  .hero h1 {
    max-width: 15ch;
    font-size: clamp(2.55rem, 12vw, 4.35rem);
  }

  .hero__lede {
    font-size: 1rem;
  }

  .section {
    padding-top: 4.2rem;
    padding-bottom: 4.2rem;
  }

  .section__layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .section h2 {
    max-width: 15ch;
    font-size: clamp(2.15rem, 10vw, 3.5rem);
  }

  .field-figure,
  .profile-figure {
    max-width: 34rem;
    padding: 0.75rem 0 0;
  }

  .scope-list {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .site-footer__inner {
    align-items: flex-start;
  }


  .scope-list > div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .scope-list > div:last-child {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 860px) {
  .hero__layout {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .hero-map {
    max-width: 36rem;
    justify-self: start;
    padding: 0.5rem 0 0;
  }
}

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

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

  .hero-map__node {
    transform: none;
  }
}

.contact-form button:disabled {
  cursor: wait;
  opacity: 0.68;
}