:root {
  --ink: #18332d;
  --ink-soft: #46605a;
  --paper: #f4f1ea;
  --paper-light: #fbfaf6;
  --sand: #d9cdbb;
  --clay: #aa7454;
  --line: rgba(24, 51, 45, 0.16);
  --max: 1180px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper-light);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

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

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--clay);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 200;
  padding: .75rem 1rem;
  background: var(--ink);
  color: white;
}

.skip-link:focus {
  top: 1rem;
}

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

.eyebrow {
  margin: 0 0 .8rem;
  color: var(--clay);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.display {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 6vw, 6.6rem);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .98;
}

.heading {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 400;
  letter-spacing: -.035em;
  line-height: 1.05;
}

.lead {
  max-width: 43rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: .85rem 1.35rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: white;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
  transition: .25s ease;
}

.button:hover {
  background: transparent;
  color: var(--ink);
}

.button--ghost {
  background: transparent;
  color: var(--ink);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(251, 250, 246, .92);
  backdrop-filter: blur(12px);
  transition: border-color .2s;
}

.site-header.scrolled {
  border-color: var(--line);
}

.nav {
  display: flex;
  min-height: 5.4rem;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.5rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--ink);
  font-family: var(--serif);
  font-size: 1.35rem;
}

.brand-text {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  position: relative;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: -.5rem;
  left: 0;
  height: 1px;
  background: var(--clay);
  content: "";
  transform: scaleX(0);
  transition: transform .2s;
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  display: block;
  width: 1.5rem;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
  content: "";
  transition: .2s;
}

.hero {
  min-height: calc(100vh - 5.4rem);
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 5rem 0;
  background: var(--paper);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.hero-copy p.lead {
  margin: 2rem 0 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.hero-art {
  position: relative;
  min-height: 32rem;
}

.plane {
  position: absolute;
  border: 1px solid var(--ink);
}

.plane--one {
  inset: 0 8% 17% 15%;
  background: var(--sand);
}

.plane--two {
  right: 0;
  bottom: 0;
  width: 58%;
  height: 60%;
  background: var(--ink);
}

.plane--three {
  top: 12%;
  left: 0;
  width: 37%;
  height: 48%;
  background: var(--clay);
}

.plane::after {
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(255, 255, 255, .45);
  content: "";
}

.vertical-note {
  position: absolute;
  right: -1.5rem;
  top: 4rem;
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  transform: rotate(90deg);
  transform-origin: left bottom;
}

.section {
  padding: clamp(5rem, 10vw, 9rem) 0;
}

.section--dark {
  background: var(--ink);
  color: var(--paper-light);
}

.section--sand {
  background: var(--paper);
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: end;
  margin-bottom: 3rem;
}

.text-link {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-underline-offset: .35rem;
  text-transform: uppercase;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.principle {
  padding: 2rem 2rem 0 0;
}

.principle+.principle {
  padding-left: 2rem;
  border-left: 1px solid var(--line);
}

.principle-number {
  color: var(--clay);
  font-family: var(--serif);
  font-size: 2rem;
}

.principle h3 {
  margin: 1.5rem 0 .5rem;
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 400;
}

.principle p {
  margin: 0;
  color: var(--ink-soft);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2rem;
}

.project-card {
  grid-column: span 6;
  color: inherit;
  text-decoration: none;
}

.project-card--wide {
  grid-column: span 8;
}

.project-card--small {
  grid-column: span 4;
}

.project-visual {
  position: relative;
  min-height: 26rem;
  overflow: hidden;
  background: var(--sand);
}

.project-visual::before,
.project-visual::after {
  position: absolute;
  content: "";
  transition: transform .5s ease;
}

.project-visual::before {
  inset: 18% 14% 0 24%;
  border: 1px solid rgba(255, 255, 255, .75);
  background: rgba(24, 51, 45, .82);
}

.project-visual::after {
  width: 45%;
  height: 62%;
  left: 8%;
  bottom: 0;
  background: var(--clay);
}

.project-card:nth-child(2) .project-visual {
  background: #bfc8c0;
}

.project-card:nth-child(2) .project-visual::before {
  inset: 10% 28% 0 10%;
  background: #536d67;
}

.project-card:nth-child(2) .project-visual::after {
  right: 8%;
  left: auto;
  background: var(--paper);
}

.project-card:nth-child(3) .project-visual {
  background: #c9b59c;
}

.project-card:nth-child(3) .project-visual::before {
  inset: 26% 8% 0 20%;
  background: #7e5e4b;
}

.project-card:hover .project-visual::before {
  transform: translateY(-.75rem);
}

.project-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
}

.project-meta h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 400;
}

.project-meta span {
  color: var(--ink-soft);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.section--dark .project-meta span {
  color: rgba(255, 255, 255, .6);
}

.quote {
  max-width: 58rem;
  margin: 0 auto;
  text-align: center;
}

.quote p {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.2;
}

.quote cite {
  display: block;
  margin-top: 2rem;
  color: var(--sand);
  font-size: .75rem;
  font-style: normal;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.page-hero {
  padding: clamp(5rem, 10vw, 9rem) 0 4rem;
  background: var(--paper);
}

.page-hero .lead {
  margin: 2rem 0 0 auto;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.split-copy p:first-child {
  margin-top: 0;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 3rem;
  background: var(--line);
}

.stat {
  padding: 1.5rem;
  background: var(--paper-light);
}

.stat strong {
  display: block;
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: 400;
}

.stat span {
  color: var(--ink-soft);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.process {
  counter-reset: item;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, .25);
}

.process-item {
  padding: 2rem 2rem 0 0;
  counter-increment: item;
}

.process-item::before {
  content: "0" counter(item);
  color: var(--sand);
  font-family: var(--serif);
  font-size: 1.7rem;
}

.process-item h3 {
  margin: 1.5rem 0 .6rem;
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
}

.process-item p {
  color: rgba(255, 255, 255, .68);
}

.filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-bottom: 2rem;
}

.filter-button {
  padding: .65rem 1rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.filter-button:hover,
.filter-button.active {
  border-color: var(--ink);
  background: var(--ink);
  color: white;
}

.project-card[hidden] {
  display: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: clamp(3rem, 8vw, 8rem);
}

.contact-list {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
}

.contact-list li {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
}

.contact-list small {
  display: block;
  color: var(--ink-soft);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.contact-list a {
  text-underline-offset: .25rem;
}

.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--paper);
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  display: block;
  margin-bottom: .45rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.field input,
.field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  padding: .85rem 0;
  background: transparent;
  color: var(--ink);
}

.field textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--ink-soft);
  font-size: .78rem;
}

.form-status {
  grid-column: 1 / -1;
  margin: 0;
  font-weight: 700;
}

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

.cta .heading {
  max-width: 47rem;
}

.site-footer {
  padding: 4rem 0 2rem;
  background: #10241f;
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 3rem;
}

.footer-brand p {
  max-width: 24rem;
  color: rgba(255, 255, 255, .62);
}

.footer-title {
  margin: 0 0 1rem;
  color: var(--sand);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

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

.footer-links li+li {
  margin-top: .6rem;
}

.footer-links a {
  color: rgba(255, 255, 255, .8);
  text-decoration: none;
}

.footer-links a:hover {
  color: white;
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, .15);
  color: rgba(255, 255, 255, .5);
  font-size: .72rem;
}

@media (max-width: 800px) {
  .container {
    width: min(calc(100% - 2rem), var(--max));
  }

  .site-header {
    background: var(--paper-light);
    backdrop-filter: none;
  }

  .menu-toggle {
    position: relative;
    z-index: 102;
    display: block;
  }

  .menu-toggle[aria-expanded="true"] span {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"]::before {
    transform: translateY(6px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"]::after {
    transform: translateY(-6px) rotate(-45deg);
  }

  .nav-links {
    position: fixed;
    inset: 5.4rem 0 0;
    z-index: 101;
    display: flex;
    min-height: calc(100dvh - 5.4rem);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    padding: 2rem max(2rem, calc((100vw - var(--max)) / 2));
    overflow-y: auto;
    background: var(--ink);
    color: var(--paper-light);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-1rem);
    visibility: hidden;
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .nav-links a {
    width: 100%;
    padding: clamp(.8rem, 2.5vh, 1.35rem) 0;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
    font-family: var(--serif);
    font-size: clamp(2rem, 9vw, 3.25rem);
    font-weight: 400;
    letter-spacing: -.02em;
    line-height: 1.05;
    text-transform: none;
  }

  .nav-links a::after {
    right: auto;
    bottom: 0;
    width: 3.5rem;
    background: var(--clay);
    transform-origin: left;
  }

  .nav-links a[aria-current="page"] {
    color: var(--sand);
  }

  .hero-grid,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-art {
    min-height: 24rem;
  }

  .section-head,
  .cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .principles,
  .process {
    grid-template-columns: 1fr 1fr;
  }

  .principle:nth-child(3) {
    border-left: 0;
  }

  .project-card,
  .project-card--wide,
  .project-card--small {
    grid-column: span 12;
  }

  .project-visual {
    min-height: 22rem;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .brand-text {
    font-size: .9rem;
  }

  .hero-art {
    min-height: 19rem;
  }

  .principles,
  .process,
  .stats,
  .form,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .principle,
  .principle+.principle {
    padding: 1.5rem 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .field--full {
    grid-column: auto;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
  }
}