:root {
  --ink: #171717;
  --muted: #6a6966;
  --line: #d8d6d1;
  --paper: #f4f3ef;
  --white: #fff;
  --warm: #e7e4dd;
  --max: 1520px;
  --gutter: clamp(20px, 3.2vw, 56px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 0 var(--gutter);
  background: rgba(244, 243, 239, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.wordmark {
  display: flex;
  align-items: center;
  width: clamp(172px, 15vw, 224px);
}
.wordmark img {
  width: 100%;
  height: auto;
}
.nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 48px); }
.nav a {
  font-size: 12px;
  letter-spacing: .11em;
  text-transform: uppercase;
  border-bottom: 1px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] { border-color: var(--ink); }
.menu-button { display: none; background: none; border: 0; padding: 8px 0; }

.shell { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.eyebrow {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-weight: 400; letter-spacing: -.035em; }
.display {
  max-width: 14ch;
  margin-bottom: 28px;
  font-size: clamp(44px, 6.3vw, 104px);
  line-height: .96;
}
.page-title {
  max-width: 16ch;
  margin-bottom: 32px;
  font-size: clamp(48px, 6.2vw, 96px);
  line-height: .96;
}
.section-title {
  margin-bottom: 28px;
  font-size: clamp(34px, 4vw, 62px);
  line-height: 1;
}
.lead { max-width: 720px; font-size: clamp(19px, 2vw, 28px); line-height: 1.38; }
.body-large { max-width: 800px; font-size: clamp(18px, 1.6vw, 24px); line-height: 1.55; }

.hero {
  min-height: calc(100vh - 106px);
  display: grid;
  grid-template-columns: minmax(340px, .76fr) 1.24fr;
  gap: clamp(28px, 4vw, 70px);
  align-items: stretch;
  padding: clamp(42px, 7vh, 92px) var(--gutter) clamp(36px, 6vh, 72px);
  max-width: var(--max);
  margin: 0 auto;
}
.hero-copy { display: flex; flex-direction: column; justify-content: space-between; padding-right: 1vw; }
.hero-copy .lead { max-width: 570px; }
.hero-image { min-height: 520px; overflow: hidden; background: #ddd; }
.hero-image img { height: 100%; object-fit: cover; }
.hero-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.landing-hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: #222;
  color: var(--white);
}
.landing-slides,
.landing-hero-media,
.landing-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.landing-slides { overflow: hidden; }
.landing-hero-media {
  object-fit: cover;
  object-position: center 54%;
  opacity: 0;
  transform: scale(1.025);
  transition: opacity 1.25s ease, transform 7.5s cubic-bezier(.2,.65,.3,1);
}
.landing-hero-media.is-active {
  opacity: 1;
  transform: scale(1);
}
.landing-shade {
  background:
    linear-gradient(180deg, rgba(0,0,0,.42) 0%, rgba(0,0,0,.06) 30%, rgba(0,0,0,.08) 62%, rgba(0,0,0,.48) 100%),
    linear-gradient(90deg, rgba(0,0,0,.13), transparent 32%, transparent 68%, rgba(0,0,0,.13));
}
.chapter-nav {
  position: absolute;
  z-index: 2;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.8);
}
.chapter-nav a {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 16px 20px 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.28);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: background .25s ease, padding-left .25s ease;
}
.chapter-nav a + a { padding-left: 20px; border-left: 1px solid rgba(255,255,255,.28); }
.chapter-nav a:hover { padding-left: 12px; background: rgba(255,255,255,.08); }
.chapter-nav a + a:hover { padding-left: 32px; }
.chapter-nav span { font-size: 9px; opacity: .68; }
.landing-identity {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.hero-mark {
  width: clamp(190px, 20vw, 310px);
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.86);
  color: var(--white);
  pointer-events: auto;
  transition: border-color .3s ease, transform .3s ease;
}
.hero-mark:hover { border-color: #fff; transform: scale(.985); }
.hero-mark img {
  width: 84%;
  height: auto;
}
.landing-caption,
.landing-intro {
  position: absolute;
  z-index: 2;
  bottom: 25px;
  font-size: 10px;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.landing-caption { left: var(--gutter); display: flex; flex-direction: column; gap: 3px; }
.landing-caption span:last-child { opacity: .68; }
.landing-controls {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 25px;
  display: flex;
  gap: 8px;
  transform: translateX(-50%);
}
.landing-controls button {
  position: relative;
  width: 42px;
  padding: 4px 0 10px;
  border: 0;
  background: transparent;
  color: #fff;
  cursor: pointer;
  font-size: 8px;
  letter-spacing: .12em;
  text-align: left;
  opacity: .62;
  transition: opacity .25s ease;
}
.landing-controls button::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: rgba(255,255,255,.5);
}
.landing-controls button[aria-pressed="true"] { opacity: 1; }
.landing-controls button[aria-pressed="true"]::after { height: 2px; background: #fff; }
.landing-controls button:hover { opacity: 1; }
.landing-intro {
  right: var(--gutter);
  width: min(390px, 34vw);
  margin: 0;
  color: rgba(255,255,255,.82);
  font-size: 10px;
  line-height: 1.55;
  letter-spacing: .08em;
  text-align: right;
  text-transform: uppercase;
}
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.arrow-link::after { content: "→"; font-size: 18px; transition: transform .2s ease; }
.arrow-link:hover::after { transform: translateX(5px); }

.section { padding: clamp(80px, 11vw, 164px) 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 620px);
  gap: 40px;
  align-items: end;
  margin-bottom: clamp(42px, 6vw, 86px);
}
.section-head p { margin-bottom: 0; color: var(--muted); font-size: 17px; }

.project-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(22px, 2.4vw, 38px);
}
.project-card { grid-column: span 6; }
.project-card.wide { grid-column: span 8; }
.project-card.narrow { grid-column: span 4; }
.card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #d7d5d0;
}
.project-card.wide .card-image { aspect-ratio: 16 / 10; }
.project-card.narrow .card-image { aspect-ratio: 4 / 5; }
.card-image img { height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.2,.65,.3,1); }
.project-card:hover .card-image img { transform: scale(1.025); }
.card-caption {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
  padding-top: 14px;
}
.card-caption h3 { margin: 0; font-size: clamp(21px, 2vw, 29px); }
.card-caption p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
.project-tag {
  margin-top: 5px;
  font-size: 9px;
  letter-spacing: .14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.text-card {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  aspect-ratio: 4 / 5;
  padding: clamp(24px, 3vw, 44px);
  background: var(--warm);
}
.text-card .metric { font-size: clamp(54px, 7vw, 104px); line-height: .9; letter-spacing: -.06em; }
.text-card p { color: var(--muted); }

.split-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 100px);
  align-items: center;
}
.split-feature img { aspect-ratio: 4 / 5; object-fit: cover; }
.split-feature .copy { max-width: 620px; }
.split-feature .copy p { color: #4f4e4a; }

.principles { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.principle { padding: 30px 28px 10px 0; border-right: 1px solid var(--line); }
.principle + .principle { padding-left: 28px; }
.principle:last-child { border-right: 0; }
.principle .number { color: var(--muted); font-size: 11px; letter-spacing: .15em; }
.principle h3 { margin: 48px 0 14px; font-size: 28px; }
.principle p { color: var(--muted); }

.page-intro { padding: clamp(70px, 10vw, 150px) 0 clamp(60px, 8vw, 120px); }
.page-intro .lead { color: #44433f; }
.group-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--ink);
}
.group-heading h2 { margin: 0; font-size: clamp(32px, 4vw, 54px); }
.group-heading p { max-width: 530px; margin: 0; color: var(--muted); }
.project-group + .project-group { margin-top: clamp(100px, 14vw, 200px); }

.detail-hero { padding: clamp(60px, 8vw, 120px) 0 36px; }
.detail-topline { display: flex; justify-content: space-between; gap: 24px; margin-bottom: 40px; }
.detail-kicker { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.detail-hero h1 { max-width: 14ch; margin-bottom: 24px; font-size: clamp(56px, 9vw, 138px); line-height: .88; }
.detail-hero .summary { max-width: 780px; font-size: clamp(20px, 2vw, 30px); line-height: 1.4; }
.detail-image { width: 100%; max-height: 88vh; object-fit: cover; }
.project-description {
  padding-top: clamp(70px, 9vw, 140px);
  padding-bottom: clamp(70px, 9vw, 140px);
}
.project-description .narrative {
  max-width: 820px;
  margin-left: auto;
  margin-right: clamp(0px, 7vw, 110px);
}
.project-summary {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 760px);
  gap: clamp(44px, 8vw, 150px);
  padding: clamp(70px, 10vw, 150px) var(--gutter);
  align-items: start;
}
.project-summary .eyebrow {
  margin-bottom: 18px;
}
.facts { border-top: 1px solid var(--ink); }
.fact { display: grid; grid-template-columns: 92px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.fact dt { color: var(--muted); }
.fact dd { margin: 0; }
.narrative p { font-size: clamp(18px, 1.55vw, 23px); line-height: 1.65; }
.narrative p + p { margin-top: 28px; }
.project-highlights .highlights { margin-top: 0; }
.highlights { margin: 50px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.highlights li { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.project-gallery { display: grid; grid-template-columns: 1fr; gap: clamp(8px, 1vw, 18px); }
.project-gallery-image { width: 100%; height: auto; object-fit: cover; }
.project-gallery-image.is-sketch { background: #fff; }
.project-notice { padding: 16px 18px; margin-top: 28px; background: var(--warm); font-size: 12px; color: #555; }

.contact-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: clamp(70px, 10vw, 140px) 0;
}
.contact-links a { display: block; width: fit-content; margin-bottom: 12px; font-size: clamp(26px, 3vw, 48px); letter-spacing: -.035em; border-bottom: 1px solid var(--ink); }
.contact-note { max-width: 530px; color: var(--muted); }

.site-footer { padding: 50px var(--gutter); border-top: 1px solid var(--line); }
.footer-inner { max-width: var(--max); margin: 0 auto; display: flex; justify-content: space-between; gap: 40px; align-items: end; }
.footer-inner p { margin: 0; color: var(--muted); font-size: 12px; }
.footer-mark { width: clamp(154px, 13vw, 202px); }
.footer-mark img { display: block; width: 100%; height: auto; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .site-header { min-height: 68px; }
  .menu-button { display: block; }
  .nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    display: none;
    padding: 22px var(--gutter) 30px;
    flex-direction: column;
    align-items: flex-start;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .nav.is-open { display: flex; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-image { min-height: 48vh; order: -1; }
  .hero-copy { gap: 34px; }
  .section-head, .split-feature, .contact-panel { grid-template-columns: 1fr; }
  .project-card, .project-card.wide, .project-card.narrow { grid-column: span 6; }
  .project-card.narrow .card-image, .text-card { aspect-ratio: 4 / 3; }
  .principles { grid-template-columns: 1fr; }
  .principle { border-right: 0; border-bottom: 1px solid var(--line); padding: 26px 0; }
  .principle + .principle { padding-left: 0; }
  .principle h3 { margin-top: 26px; }
  .project-summary { grid-template-columns: 1fr; }
  .project-description .narrative { margin-right: 0; }
  .facts { max-width: 520px; }
  .chapter-nav a { gap: 9px; padding-right: 10px; }
  .chapter-nav a + a { padding-left: 10px; }
  .chapter-nav a:hover { padding-left: 6px; }
  .chapter-nav a + a:hover { padding-left: 16px; }
}

@media (max-width: 620px) {
  .wordmark { width: 168px; }
  .display { font-size: clamp(42px, 14vw, 66px); }
  .project-card, .project-card.wide, .project-card.narrow { grid-column: 1 / -1; }
  .card-image, .project-card.wide .card-image, .project-card.narrow .card-image { aspect-ratio: 4 / 3; }
  .group-heading { align-items: flex-start; flex-direction: column; }
  .detail-topline { flex-direction: column; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .landing-hero { min-height: 100svh; }
  .landing-hero-media { object-position: 62% center; }
  .chapter-nav { grid-template-columns: repeat(2, 1fr); }
  .chapter-nav a { padding: 12px 8px 12px 0; }
  .chapter-nav a + a { padding-left: 10px; }
  .chapter-nav a:nth-child(3) { padding-left: 0; border-left: 0; }
  .chapter-nav a:nth-child(3), .chapter-nav a:nth-child(4) { border-top: 1px solid rgba(255,255,255,.28); }
  .hero-mark { width: min(56vw, 230px); }
  .landing-caption { bottom: 20px; }
  .landing-controls { bottom: 20px; }
  .landing-controls button { width: 28px; }
  .landing-intro { right: var(--gutter); bottom: 58px; width: min(310px, 72vw); font-size: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card-image img { transition: none; }
  .landing-hero-media { transition: none; }
  .hero-mark { transition: none; }
}

