:root {
  --paper: #f7f4ed;
  --ink: #101010;
  --muted: #6e6a61;
  --line: #d8d1c4;
  --signal: #e2372f;
  --cyan: #3aa8a6;
  --max: 1340px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Noto Sans SC", sans-serif;
  letter-spacing: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 22px clamp(18px, 4vw, 48px);
  background: rgba(247, 244, 237, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand-mark {
  font-size: clamp(28px, 4vw, 62px);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: 0;
}

.main-nav {
  display: flex;
  gap: clamp(16px, 3vw, 40px);
  font-size: 14px;
  font-weight: 700;
}

.main-nav a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  border-color: var(--signal);
}

main {
  overflow: hidden;
}

.hero,
.work-section,
.disciplines,
.approach,
.studio-note,
.contact {
  width: min(var(--max), calc(100vw - 36px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 92px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(44px, 7vw, 96px) 0 26px;
  border-bottom: 1px solid var(--ink);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 2.2fr 1fr;
  gap: clamp(20px, 3vw, 46px);
  align-items: start;
}

.eyebrow,
.section-heading p,
.case-number {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 950px;
  font-size: clamp(52px, 9vw, 142px);
  line-height: 0.88;
  font-weight: 900;
}

.hero-copy {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  justify-content: space-between;
  gap: 34px;
}

.hero-copy p {
  margin: 0;
  color: #27231d;
  font-size: clamp(15px, 1.45vw, 20px);
  line-height: 1.55;
}

.text-link {
  width: fit-content;
  color: var(--signal);
  font-size: 15px;
  font-weight: 800;
  border-bottom: 2px solid currentColor;
}

.hero-index {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-index span {
  padding: 18px 14px;
  color: #201f1b;
  font-size: 13px;
  font-weight: 700;
  border-right: 1px solid var(--line);
}

.hero-index span:last-child {
  border-right: 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(18px, 3vw, 44px);
  padding: clamp(54px, 8vw, 110px) 0 32px;
}

.section-heading h2 {
  margin: 0;
  max-width: 920px;
  font-size: clamp(34px, 5vw, 82px);
  line-height: 0.98;
  font-weight: 900;
}

.case-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(18px, 3vw, 46px);
  padding: clamp(26px, 4vw, 52px) 0;
  border-top: 1px solid var(--ink);
}

.case-row:last-child {
  border-bottom: 1px solid var(--ink);
}

.case-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #e8e2d7;
}

.case-image img {
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9);
  transition: transform 500ms ease, filter 500ms ease;
}

.case-image:hover img,
.case-image:focus-visible img {
  transform: scale(1.035);
  filter: saturate(1.05);
}

.case-meta {
  align-self: end;
}

.case-meta h3 {
  margin: 16px 0 12px;
  font-size: clamp(32px, 4vw, 64px);
  line-height: 0.98;
  font-weight: 900;
}

.case-meta p:last-child {
  max-width: 540px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.discipline-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.discipline-list a {
  min-height: 160px;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  font-size: clamp(24px, 3vw, 44px);
  font-weight: 900;
  line-height: 1;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  transition: background 180ms ease, color 180ms ease;
}

.discipline-list a:hover,
.discipline-list a:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.approach-grid div {
  min-height: 300px;
  padding: 26px;
  border-right: 1px solid var(--line);
}

.approach-grid div:last-child {
  border-right: 0;
}

.approach-grid span {
  color: var(--signal);
  font-weight: 900;
}

.approach-grid h3 {
  margin: 82px 0 18px;
  font-size: clamp(28px, 3vw, 46px);
  line-height: 1;
}

.approach-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.studio-note {
  padding: clamp(70px, 10vw, 150px) 0;
}

.studio-note p {
  width: min(100%, 1080px);
  margin: 0;
  font-size: clamp(42px, 7vw, 116px);
  font-weight: 900;
  line-height: 0.94;
}

.contact {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: clamp(26px, 4vw, 70px);
  padding: clamp(48px, 7vw, 90px) 0;
  border-top: 1px solid var(--ink);
}

.contact h2 {
  margin: 18px 0 0;
  font-size: clamp(34px, 5vw, 78px);
  line-height: 1;
}

.contact-actions {
  align-self: end;
  display: grid;
  gap: 14px;
}

.contact-actions a {
  padding: 18px 0;
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 900;
  border-top: 1px solid var(--ink);
}

.contact-actions a:hover,
.contact-actions a:focus-visible {
  color: var(--signal);
}

.site-footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 24px clamp(18px, 4vw, 48px);
  color: var(--paper);
  background: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.site-footer span:nth-child(2) {
  text-align: center;
}

.site-footer span:last-child {
  text-align: right;
}

@media (max-width: 820px) {
  .site-header,
  .hero-grid,
  .section-heading,
  .case-row,
  .contact {
    grid-template-columns: 1fr;
  }

  .site-header {
    gap: 16px;
  }

  .main-nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .hero {
    min-height: auto;
    gap: 42px;
  }

  .hero-grid {
    gap: 24px;
  }

  .hero-copy {
    min-height: auto;
  }

  .hero-index,
  .discipline-list,
  .approach-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero-index span,
  .approach-grid div,
  .site-footer span {
    border-right: 0;
  }

  .discipline-list a {
    min-height: 96px;
  }

  .approach-grid div {
    min-height: auto;
    border-bottom: 1px solid var(--line);
  }

  .approach-grid h3 {
    margin-top: 46px;
  }

  .site-footer span,
  .site-footer span:nth-child(2),
  .site-footer span:last-child {
    text-align: left;
  }
}