:root {
  --paper: #f3f0e6;
  --paper-deep: #e7e3d7;
  --ink: #101310;
  --muted: #565d55;
  --line: #c8c5bb;
  --acid: #b7f443;
  --acid-dark: #4b670d;
  --white: #fffdf7;
  --shell: 1180px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible,
#main-content:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 4px;
  box-shadow: 0 0 0 6px var(--acid);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-160%);
}

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

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

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

.header-inner {
  display: flex;
  min-height: 6.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}

.brand-copy {
  display: grid;
  gap: 0.08rem;
}

.brand-copy strong {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-copy small {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.4rem);
  font-size: 0.88rem;
  font-weight: 700;
}

.primary-nav a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  text-decoration: none;
}

.primary-nav a:hover {
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(18rem, 0.65fr);
  gap: clamp(3rem, 8vw, 7.5rem);
  min-height: 38rem;
  padding-block: clamp(5rem, 10vw, 9rem);
  align-items: end;
}

.eyebrow {
  margin: 0 0 1.4rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(3.7rem, 7.7vw, 7.1rem);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 0.92;
  text-wrap: balance;
}

.hero-note {
  padding-top: 1.35rem;
  border-top: 4px solid var(--ink);
}

.hero-note > p {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.72;
  text-wrap: pretty;
}

.hero-actions {
  display: grid;
  gap: 0.65rem;
  margin-top: 2rem;
}

.action {
  display: flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--ink);
  font-size: 0.84rem;
  font-weight: 800;
  text-decoration: none;
}

.action-primary {
  background: var(--acid);
}

.action-secondary {
  background: transparent;
}

.action:hover,
.action:focus-visible {
  color: var(--white);
  background: var(--ink);
}

.proof-strip {
  color: var(--white);
  background: var(--ink);
}

.proof-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-block: 0;
  padding-block: 0;
  list-style: none;
}

.proof-list li {
  display: flex;
  min-height: 5.6rem;
  align-items: center;
  padding-inline: 1.5rem;
  border-left: 1px solid #3c413b;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.proof-list li::before {
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.75rem;
  background: var(--acid);
  content: "";
}

.proof-list li:last-child {
  border-right: 1px solid #3c413b;
}

.work {
  padding-block: clamp(6rem, 10vw, 9rem);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  column-gap: clamp(2rem, 7vw, 7rem);
  margin-bottom: clamp(3.5rem, 7vw, 6rem);
  align-items: end;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.6rem, 5.2vw, 5rem);
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.section-heading > p:last-child {
  max-width: 36rem;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.project-list {
  border-bottom: 1px solid var(--ink);
}

.project-row {
  display: grid;
  grid-template-columns: 4rem 8rem minmax(0, 1fr) 10.5rem;
  column-gap: 1.4rem;
  padding-block: 2.6rem;
  border-top: 1px solid var(--ink);
  transition: background-color 150ms ease;
}

.project-row:hover,
.project-row:focus-within {
  background: var(--paper-deep);
}

.project-number,
.project-type {
  margin: 0.35rem 0 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-number {
  color: var(--muted);
}

.project-type {
  color: var(--acid-dark);
}

.project-copy h3 {
  margin: 0;
  font-size: clamp(1.9rem, 3.2vw, 3rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.project-copy p {
  max-width: 44rem;
  margin: 1rem 0 0;
  color: var(--muted);
  line-height: 1.7;
  text-wrap: pretty;
}

.project-links {
  display: grid;
  align-content: start;
  gap: 0.6rem;
  margin: 0.15rem 0 0;
  padding: 0;
  list-style: none;
}

.project-links a {
  display: flex;
  min-height: 2.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.77rem;
  font-weight: 750;
  text-decoration: none;
}

.project-links a:hover {
  border-color: var(--ink);
}

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

.standards-inner {
  padding-block: clamp(6rem, 10vw, 9rem);
}

.standards-heading {
  display: block;
  margin-bottom: 4rem;
}

.standards .eyebrow {
  color: #b9bdb5;
}

.standards-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid #41463f;
  list-style: none;
}

.standards-list li {
  min-height: 19rem;
  padding: 1.6rem 2rem 2rem;
  border-right: 1px solid #41463f;
}

.standards-list li:first-child {
  border-left: 1px solid #41463f;
}

.standards-list span {
  color: var(--acid);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.standards-list h3 {
  max-width: 10ch;
  margin: 5rem 0 1rem;
  font-size: 1.65rem;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.standards-list p {
  margin: 0;
  color: #c3c7c0;
  line-height: 1.65;
}

.future {
  padding-block: clamp(6rem, 12vw, 11rem);
}

.future h2 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.8rem);
  letter-spacing: -0.06em;
  line-height: 0.92;
}

.future > p:last-child {
  max-width: 36rem;
  margin: 2.5rem 0 0 auto;
  padding-top: 1.25rem;
  border-top: 4px solid var(--ink);
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.site-footer {
  border-top: 1px solid var(--ink);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 2rem;
  min-height: 8rem;
  align-items: center;
  font-size: 0.78rem;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  text-align: center;
}

.footer-inner > a:last-child {
  justify-self: end;
}

.not-found-page {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.not-found-main {
  display: grid;
  align-content: center;
  padding-block: 5rem;
}

.not-found-code {
  margin: 0 0 1rem;
  color: var(--acid-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.not-found-main h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3.5rem, 9vw, 7.5rem);
  letter-spacing: -0.065em;
  line-height: 0.92;
}

.not-found-main > p:not(.not-found-code) {
  max-width: 36rem;
  margin: 2rem 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.not-found-main .action {
  width: min(100%, 18rem);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 4rem;
    min-height: auto;
  }

  .hero h1 {
    max-width: 12ch;
  }

  .hero-note {
    max-width: 38rem;
  }

  .project-row {
    grid-template-columns: 3rem 7rem minmax(0, 1fr);
  }

  .project-copy {
    grid-column: 3;
  }

  .project-links {
    grid-column: 3;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 1.6rem;
  }

  .standards-list li {
    padding-inline: 1.35rem;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(calc(100% - 2.5rem), var(--shell));
  }

  .header-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    min-height: auto;
    padding-block: 1rem 0.65rem;
    align-items: stretch;
  }

  .brand-copy small {
    display: none;
  }

  .primary-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 1.4rem;
    padding-top: 0.55rem;
    border-top: 1px solid var(--line);
    font-size: 0.78rem;
  }

  .primary-nav a {
    min-height: 2.25rem;
  }

  .hero {
    gap: 3rem;
    padding-block: 4.5rem 5rem;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 15vw, 4.6rem);
  }

  .hero-note {
    width: 100%;
  }

  .proof-list {
    grid-template-columns: 1fr;
  }

  .proof-list li,
  .proof-list li:last-child {
    min-height: 3.9rem;
    border-right: 1px solid #3c413b;
    border-bottom: 1px solid #3c413b;
  }

  .section-heading {
    display: block;
  }

  .section-heading h2 {
    margin-bottom: 1.5rem;
  }

  .project-row {
    grid-template-columns: 2.6rem 1fr;
    gap: 0.35rem 1rem;
    padding-block: 2.25rem;
  }

  .project-number {
    grid-column: 1;
    grid-row: 1;
  }

  .project-type {
    grid-column: 2;
    grid-row: 1;
  }

  .project-copy,
  .project-links {
    grid-column: 2;
  }

  .project-copy {
    margin-top: 0.85rem;
  }

  .project-links {
    grid-template-columns: 1fr;
  }

  .standards-list {
    grid-template-columns: 1fr;
  }

  .standards-list li,
  .standards-list li:first-child {
    min-height: auto;
    padding: 1.5rem 0 2rem;
    border-right: 0;
    border-bottom: 1px solid #41463f;
    border-left: 0;
  }

  .standards-list h3 {
    margin-top: 2.5rem;
  }

  .future > p:last-child {
    margin-left: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding-block: 2rem;
  }

  .footer-inner p {
    text-align: left;
  }

  .footer-inner > a:last-child {
    justify-self: start;
  }
}

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

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