:root {
  --ink: #173238;
  --paper: #f7f7f3;
  --white: #ffffff;
  --line: #c8cfcd;
  --muted: #596c70;
  --range: #688085;
  --arch: #c95832;
  --sans: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button { font: inherit; }
.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .7rem 1rem;
  background: var(--white);
}
.skip-link:focus { top: 1rem; }

.site-header {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(1.25rem, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-decoration: none;
}
.wordmark-symbol {
  width: 3.7rem;
  height: auto;
  fill: none;
  stroke-linecap: square;
  stroke-linejoin: miter;
}
.wordmark-symbol .arch { stroke: var(--arch); stroke-width: 1.7; }
.wordmark-symbol .range { stroke: var(--ink); stroke-width: 1.6; }
.wordmark-symbol .horizon { stroke: var(--line); stroke-width: 1; }
.contact-trigger {
  padding: .5rem 0;
  border: 0;
  border-bottom: 1px solid transparent;
  background: none;
  color: var(--ink);
  cursor: pointer;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.contact-trigger:hover, .contact-trigger:focus-visible { border-color: currentColor; }

.hero {
  width: min(1240px, calc(100% - 2.5rem));
  min-height: 620px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(20rem, 1.1fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: center;
  padding: clamp(5rem, 10vw, 9rem) 0;
}
.hero-copy { max-width: 36rem; }
.eyebrow, .work-type {
  margin: 0 0 1rem;
  color: var(--arch);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}
h1 {
  margin: 0 0 2rem;
  font-size: clamp(3rem, 6vw, 5.8rem);
  font-weight: 500;
  letter-spacing: -.055em;
  line-height: .96;
}
.hero-copy > p:last-child {
  max-width: 32rem;
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}
.landmark { margin: 0; }
.landmark svg { display: block; width: 100%; fill: none; stroke-linecap: square; stroke-linejoin: miter; }
.landmark-arch { stroke: var(--arch); stroke-width: 3; }
.landmark-range-far { stroke: var(--line); stroke-width: 2; }
.landmark-range { stroke: var(--ink); stroke-width: 2.5; }
.landmark-horizon { stroke: var(--range); stroke-width: 1; }
.landmark figcaption {
  margin-top: 1rem;
  color: var(--muted);
  font-size: .65rem;
  letter-spacing: .12em;
  text-align: right;
  text-transform: uppercase;
}

.section {
  width: min(1240px, calc(100% - 2.5rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(10rem, .42fr) minmax(0, 1.58fr);
  gap: clamp(2rem, 8vw, 8rem);
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  border-top: 1px solid var(--line);
}
.section h2, .contact-panel h2 {
  margin: 0;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .13em;
  line-height: 1.5;
  text-transform: uppercase;
}
.approach-copy { max-width: 49rem; }
.approach-copy p:first-child {
  margin: 0 0 1.6rem;
  font-size: clamp(1.45rem, 2.6vw, 2.25rem);
  letter-spacing: -.025em;
  line-height: 1.25;
}
.approach-copy p:last-child { max-width: 43rem; margin: 0; color: var(--muted); }

.work-section { background: var(--white); box-shadow: 0 0 0 100vmax var(--white); clip-path: inset(0 -100vmax); }
.work-list { border-top: 1px solid var(--ink); }
.work-list article {
  display: grid;
  grid-template-columns: minmax(9rem, .45fr) 1fr 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding: 2rem 0 2.35rem;
  border-bottom: 1px solid var(--line);
}
.work-list h3 {
  margin: 0;
  font-size: clamp(1.3rem, 2vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -.025em;
  line-height: 1.2;
}
.work-list article > p:last-child { margin: .1rem 0 0; color: var(--muted); font-size: .9rem; }
.more-work { border-bottom: 1px solid var(--line); }
.more-work[open] { border-bottom: 0; }
.more-work summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 0;
  cursor: pointer;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  list-style: none;
  text-transform: uppercase;
}
.more-work summary::-webkit-details-marker { display: none; }
.more-work summary::after { content: "+"; font-size: 1rem; font-weight: 400; }
.more-work[open] summary::after { content: "−"; }
.more-work summary:hover, .more-work summary:focus-visible { color: var(--arch); }

.service-list { border-top: 1px solid var(--ink); }
.service-list p {
  display: grid;
  grid-template-columns: .7fr 1fr;
  gap: 1rem;
  margin: 0;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
}
.service-list strong { font-size: .92rem; }
.service-list span { color: var(--muted); font-size: .84rem; }

.contact-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 8vw, 9rem);
  align-items: end;
  padding: clamp(4.5rem, 8vw, 7rem) max(1.25rem, calc((100vw - 1240px) / 2));
  background: var(--ink);
  color: var(--white);
}
.contact-panel[hidden] { display: none; }
.contact-panel > div p { margin: .9rem 0 0; color: #bdc9c7; }
.contact-address { margin: 0; text-align: right; }
.contact-address a {
  font-size: clamp(1.25rem, 2.6vw, 2.2rem);
  font-weight: 400;
  text-decoration-thickness: 1px;
  text-underline-offset: .3em;
}
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem max(1.25rem, calc((100vw - 1240px) / 2));
  border-top: 1px solid #40575b;
  background: #102a2f;
  color: #93a7a7;
}
footer p { margin: 0; font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; }
.footer-mark { color: var(--white); font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-decoration: none; }

@media (max-width: 820px) {
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 4rem; }
  .hero-copy { max-width: 39rem; }
  .landmark { max-width: 42rem; }
  .work-list article { grid-template-columns: 1fr 1.3fr; }
  .work-type { grid-column: 1 / -1; }
}
@media (max-width: 650px) {
  .site-header { height: 66px; }
  .wordmark-symbol { width: 3.2rem; }
  .hero { width: min(100% - 2.5rem, 1240px); padding: 5rem 0; }
  h1 { font-size: clamp(3.2rem, 15vw, 4.7rem); }
  .section { grid-template-columns: 1fr; gap: 2.5rem; }
  .work-list article { grid-template-columns: 1fr; gap: 1.1rem; }
  .work-type { grid-column: auto; }
  .service-list p { grid-template-columns: 1fr; gap: .2rem; }
  .contact-panel { grid-template-columns: 1fr; }
  .contact-address { text-align: left; }
  footer { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}
