/* ================================================================
   DESIGN MODULES — V7 · GROUND WORKS
   The site is a building. Strict ink & paper. Geometry only.
   Century Gothic (Jost) at monumental scale · hatching as accent
   ================================================================ */

:root {
  --paper: #f7f5f0;
  --ink: #141310;
  --stone: #8b877b;
  --hairline: rgba(20, 19, 16, 0.16);
  --hairline-soft: rgba(20, 19, 16, 0.08);
  --inverse-hairline: rgba(247, 245, 240, 0.2);
  --hatch: repeating-linear-gradient(45deg, rgba(20, 19, 16, 0.5) 0 1px, transparent 1px 7px);
  /* legacy aliases (shared engine contracts) */
  --ivory: var(--paper);
  --black: var(--ink);
  --white: var(--paper);
  --grey: var(--stone);
  --line: var(--hairline);
  --line-dark: var(--hairline);
  --accent: var(--ink);
  --red: var(--ink);
  --font-sans: "Century Gothic", CenturyGothic, Jost, "Helvetica Neue", Arial, sans-serif;
  --font-serif: var(--font-sans);
  --font-mega: var(--font-sans);
  --font-display: var(--font-sans);
  --font-body: var(--font-sans);
  --font-mono: var(--font-sans);
  --pad: clamp(1.4rem, 5vw, 6rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --snap: cubic-bezier(0.05, 0.83, 0.52, 0.97);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
html.lenis { scroll-behavior: auto; }

body {
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(20, 19, 16, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 19, 16, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--ink); color: var(--paper); }

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

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

/* ---------------- type ---------------- */

h1, h2, h3 {
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 0.96;
}

h1 em, h2 em, h3 em,
.intro__statement em,
.cta h2 em {
  font-style: normal;
  font-family: inherit;
  color: transparent;
  -webkit-text-stroke: 2px var(--ink);
}

.label, .eyebrow, .m-kicker {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink);
  border: none;
  padding: 0;
}

.eyebrow { display: flex; align-items: center; gap: 0.9rem; }

.m-kicker::before { content: none; }

.lede {
  font-size: clamp(1.02rem, 1.4vw, 1.25rem);
  line-height: 1.6;
  color: rgba(20, 19, 16, 0.75);
  max-width: 36rem;
}

.sf { font-family: inherit; }

/* ---------------- nav (difference blend) ---------------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.3rem var(--pad);
  mix-blend-mode: difference;
  color: #fff;
  transition: padding 0.4s ease, background 0.35s ease, box-shadow 0.35s ease;
}

/* the frosted paper behind the scrolled bar lives on a pseudo-element:
   backdrop-filter on .nav itself turns the bar into the containing block
   of the fixed mobile menu panel (iOS Safari), shrinking the panel to the
   bar's height and spilling the links down the page */
.nav::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--hairline-soft);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.nav.scrolled::before { opacity: 1; }

.nav.scrolled {
  mix-blend-mode: normal;
  color: var(--ink);
  padding-top: 0.95rem;
  padding-bottom: 0.95rem;
}

.nav.scrolled .nav__links a { color: var(--ink); }
.nav.scrolled .nav__toggle { color: var(--ink); }
.nav.scrolled .nav__logo img { filter: invert(1); }

.nav__logo img { height: 34px; width: auto; display: block; }

.nav__links { display: flex; gap: 2.4rem; list-style: none; }

.nav__links a {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  position: relative;
  padding-bottom: 0.3rem;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}

.nav__links a:hover::after,
.nav__links a.active::after { transform: scaleX(1); transform-origin: left; }

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  z-index: 110;
}

.nav.menu-open { mix-blend-mode: normal; color: var(--ink); }
.nav.menu-open .nav__links a { color: var(--ink); }
.nav.menu-open .nav__toggle { color: var(--ink); }
.nav.menu-open .nav__logo img { filter: invert(1); }

.nav__toggle .bar {
  display: block;
  width: 26px;
  height: 2px;
  background: currentColor;
  margin: 7px 0;
  transition: transform 0.3s;
}

/* ---------------- buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  padding: 1.05rem 1.9rem;
  transition: background 0.3s, color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.btn:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 rgba(20, 19, 16, 0.28);
}

.btn .arrow { display: inline-block; transition: transform 0.5s var(--snap); }
.btn:hover .arrow { transform: rotate(-45deg); }

.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: transparent; color: var(--ink); }

/* ---------------- sections ---------------- */

.section { padding: clamp(5rem, 11vw, 10rem) var(--pad); }

.section--light, .section--tone { background: transparent; }

.section__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  margin-bottom: clamp(3rem, 7vw, 6rem);
  flex-wrap: wrap;
}

.section__title {
  font-size: clamp(2.4rem, 5.5vw, 5rem);
  margin-top: 1.4rem;
  max-width: 22ch;
}

/* ---------------- intro / statements ---------------- */

.intro__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2.5rem, 7vw, 8rem);
  align-items: start;
}

@media (max-width: 860px) { .intro__grid { grid-template-columns: 1fr; } }

.intro__statement {
  font-size: clamp(1.7rem, 3.2vw, 2.9rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  line-height: 1.12;
}

.intro__body p { margin-bottom: 1.3rem; color: rgba(20, 19, 16, 0.75); }

.paint .wi { color: rgba(20, 19, 16, 0.16); transition: color 0.45s ease; }
.paint .wi.on { color: var(--ink); }

/* ---------------- stats / facts ---------------- */

.stats, .ruler {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(3.5rem, 8vw, 6rem);
  border-top: 2px solid var(--ink);
  padding-top: 2.4rem;
}

.stat, .ruler__mark { border: none; padding: 0; }

.stat__num, .ruler__mark strong {
  display: block;
  font-size: clamp(2.2rem, 4.6vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat__label, .ruler__mark span {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stone);
  margin-top: 0.8rem;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem clamp(2rem, 4vw, 4rem);
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 2rem;
  border-top: 2px solid var(--ink);
}

@media (max-width: 700px) { .facts { grid-template-columns: 1fr 1fr; } }

.fact__k {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--stone);
}

.fact__v { margin-top: 0.55rem; font-size: 0.95rem; font-weight: 500; line-height: 1.55; }

/* ---------------- clients: approval stamps ---------------- */

.clients { display: flex; flex-wrap: wrap; gap: 0.9rem 1rem; }

.clients span {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 2px solid var(--ink);
  padding: 0.6rem 1.05rem;
  transition: background 0.25s, color 0.25s;
}

.clients span:hover { background: var(--ink); color: var(--paper); }

/* ---------------- certs ---------------- */

.certs { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem; }
.certs img { height: 44px; width: auto; opacity: 0.6; transition: opacity 0.3s; }
.certs img:hover { opacity: 1; }

/* ---------------- project cards (archive grid) ---------------- */

.projects-grid {
  display: grid;
  /* minmax(0, …) so a long un-wrappable title can never widen a column past the phone */
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.4rem, 5vw, 4.5rem) clamp(1.4rem, 3vw, 2.5rem);
  align-items: start;
}

.project-card { position: relative; min-width: 0; }

/* full-width feature cards only at the open and close of the grid:
   16 cards = 1 full + 7 clean pairs + 1 full, so no row is ever left
   with an orphan gap beside it */
.project-card:first-child,
.project-card:last-child { grid-column: 1 / -1; }

.project-card__img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #e6e3da;
}

.project-card:first-child .project-card__img,
.project-card:last-child .project-card__img { aspect-ratio: 21 / 10; }

.project-card__img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.001);
  transition: transform 1.1s var(--ease), opacity 0.6s ease;
}

.project-card__img img.bw { z-index: 1; }
.project-card:hover .project-card__img img { transform: scale(1.035); }
.project-card:hover .project-card__img img.bw { opacity: 0; }

.project-card__info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-top: 1.1rem;
}

.project-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.project-card__tag {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
  white-space: normal; /* phones: let a long tag wrap instead of widening the card */
}

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

@media (max-width: 760px) {
  .projects-grid { grid-template-columns: minmax(0, 1fr); }
  .project-card:first-child .project-card__img,
  .project-card:last-child .project-card__img { aspect-ratio: 4 / 3; }
}

/* ---------------- filters ---------------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
  border-bottom: 2px solid var(--ink);
  padding-bottom: 1.1rem;
}

.filter-btn {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: none;
  background: transparent;
  color: var(--stone);
  cursor: pointer;
  position: relative;
  padding: 0 0 1.15rem;
  margin-bottom: -1.15rem;
  transition: color 0.25s;
}

.filter-btn:hover, .filter-btn.active { color: var(--ink); }

.filter-btn.active::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--ink);
}

/* ---------------- inner page hero ---------------- */

.page-hero { padding: clamp(9rem, 18vw, 14rem) var(--pad) clamp(3rem, 6vw, 5rem); }

.page-hero h1 {
  font-size: clamp(3rem, 9vw, 8.5rem);
  margin-top: 1.6rem;
  letter-spacing: -0.015em;
}

.page-hero > p {
  max-width: 34rem;
  margin-top: 2.2rem;
  color: rgba(20, 19, 16, 0.72);
  font-size: 1.05rem;
}

/* ---------------- detail header + banner ---------------- */

.detail-head { padding: clamp(9rem, 17vw, 13rem) var(--pad) clamp(2.5rem, 5vw, 4rem); }

.detail-head h1 {
  font-size: clamp(2.4rem, 6vw, 5.4rem);
  margin-top: 1.5rem;
  max-width: 24ch;
}

.detail-head__scope {
  margin-top: 1.8rem;
  color: var(--stone);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.banner { padding: 0 var(--pad); overflow: hidden; }

.banner img {
  width: 100%;
  aspect-ratio: 21 / 10;
  object-fit: cover;
  scale: 1.08;
  will-change: transform;
}

.detail-hero { padding: clamp(9rem, 17vw, 13rem) var(--pad) clamp(2.5rem, 5vw, 4rem); }
.detail-hero__bg { display: none; }
.detail-hero h1 { font-size: clamp(2.4rem, 6vw, 5.4rem); margin-top: 1.5rem; }
.detail-hero__scope { margin-top: 1.8rem; color: var(--stone); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; }

/* ---------------- fact sheet ---------------- */

.fact-sheet {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2.5rem, 6vw, 7rem);
  align-items: start;
}

@media (max-width: 820px) { .fact-sheet { grid-template-columns: 1fr; } }

.fact-sheet__desc p { margin-bottom: 1.2rem; color: rgba(20, 19, 16, 0.78); font-size: 1.02rem; }

.fact-sheet__data { border-top: 2px solid var(--ink); }

.fact-sheet__data > div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--hairline);
}

.fact-sheet__data dt {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stone);
  padding-top: 0.25rem;
}

.fact-sheet__data dd { font-size: 0.95rem; font-weight: 500; }

/* ---------------- gallery + lightbox ---------------- */

.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 2vw, 1.8rem);
}

.gallery a { display: block; overflow: hidden; background: #e6e3da; }

.gallery a:first-child { grid-column: 1 / -1; }

.gallery img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transform: scale(1.001);
  transition: transform 1s var(--ease);
}

.gallery a:first-child img { aspect-ratio: 21 / 10; }
.gallery a:hover img { transform: scale(1.03); }

@media (max-width: 700px) { .gallery { grid-template-columns: 1fr; } }

.no-photos { color: var(--stone); max-width: 34rem; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: rgba(247, 245, 240, 0.97);
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox.open { display: flex; }

.lightbox img { max-width: 86vw; max-height: 82vh; object-fit: contain; }

.lightbox button {
  position: absolute;
  background: none;
  border: 2px solid var(--ink);
  color: var(--ink);
  font-size: 1.1rem;
  width: 46px;
  height: 46px;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}

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

.lightbox__close { top: 2rem; right: 2rem; }
.lightbox__prev { left: 2rem; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 2rem; top: 50%; transform: translateY(-50%); }

.lightbox__count {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}

/* ---------------- project prev/next ---------------- */

.project-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 2px solid var(--ink);
  margin: clamp(3rem, 7vw, 6rem) var(--pad) 0;
}

.project-nav a { padding: clamp(1.8rem, 4vw, 3rem) 0; transition: opacity 0.3s; }
.project-nav a:hover { opacity: 0.55; }
.project-nav a + a { border-left: 1px solid var(--hairline); text-align: right; padding-left: 1.5rem; }
.project-nav a:first-child { padding-right: 1.5rem; }

.project-nav__label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
}

.project-nav__title {
  display: block;
  margin-top: 0.7rem;
  font-size: clamp(1.05rem, 2vw, 1.5rem);
  font-weight: 700;
  text-transform: uppercase;
}

/* ---------------- drawing boards & diagram sheets ---------------- */

.board, .dgm, .map-sheet {
  background: transparent;
  color: var(--ink);
  padding: clamp(1.2rem, 2.6vw, 2.4rem);
  border: 2px solid var(--ink);
}

.board svg, .dgm svg, .map-sheet svg { width: 100%; height: auto; display: block; }

.board .d, .dgm .d {
  stroke-dasharray: var(--len, 600);
  stroke-dashoffset: var(--len, 600);
  transition: stroke-dashoffset 2.2s cubic-bezier(0.65, 0, 0.35, 1);
}

.board .a, .board .dim,
.dgm .a, .dgm .dim, .dgm .fill { opacity: 0; transition: opacity 0.75s 1.5s; }

.board.visible .d, .dgm.visible .d { stroke-dashoffset: 0; }
.board.visible .a, .board.visible .dim,
.dgm.visible .a, .dgm.visible .dim, .dgm.visible .fill { opacity: 1; }

.dgm__cap {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

.map-sheet .mg { opacity: 0; transition: opacity 0.6s ease; }
.map-sheet.visible .mg { opacity: 1; }
.map-sheet .mdraw {
  stroke-dasharray: var(--len, 2100);
  stroke-dashoffset: var(--len, 2100);
  transition: stroke-dashoffset 2.4s cubic-bezier(0.65, 0, 0.35, 1) 0.25s;
}
.map-sheet.visible .mdraw { stroke-dashoffset: 0; }
.map-sheet .mfill { opacity: 0; transition: opacity 1.1s ease 1.4s; }
.map-sheet.visible .mfill { opacity: 1; }
.map-sheet .mink { opacity: 0; transition: opacity 0.9s ease 2.1s; }
.map-sheet.visible .mink { opacity: 1; }

.pen { opacity: 0; transition: opacity 0.3s ease; pointer-events: none; }
.pen.on { opacity: 1; }

/* ---------------- services page ---------------- */

.svc-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 7rem);
  align-items: start;
  padding-bottom: clamp(3rem, 7vw, 6rem);
  border-bottom: 2px solid var(--ink);
}

.svc-intro h2 { font-size: clamp(2rem, 4.4vw, 3.8rem); }
.svc-intro__body p { color: rgba(20, 19, 16, 0.75); margin-bottom: 1.2rem; }

@media (max-width: 820px) { .svc-intro { grid-template-columns: 1fr; } }

.pow { margin-top: clamp(2.5rem, 5vw, 4rem); }

.pow__frame { border: 2px solid var(--ink); overflow-x: auto; }

.pow__grid {
  display: grid;
  grid-template-columns: minmax(180px, 1.4fr) repeat(8, minmax(84px, 1fr));
  min-width: 860px;
}

.pow__cell {
  padding: 0.95rem 0.8rem;
  border-right: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
  position: relative;
  transition: background 0.25s;
}

.pow__cell:last-child { border-right: none; }

.pow__phase { cursor: default; border-bottom: 2px solid var(--ink); }
.pow__phase .no { font-size: 0.6rem; font-weight: 700; color: var(--stone); display: block; }
.pow__phase .nm {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.3;
}

.pow__corner { border-bottom: 2px solid var(--ink); display: flex; align-items: flex-end; }
.pow__corner span {
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.pow__disc { display: flex; flex-direction: column; justify-content: center; gap: 0.3rem; cursor: pointer; }
.pow__disc strong { font-weight: 700; font-size: 0.9rem; line-height: 1.2; text-transform: uppercase; }
.pow__disc span {
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

.pow__eng { padding: 0; }

.pow__eng i {
  position: absolute;
  inset: 7px;
  display: block;
  transition: transform 0.5s var(--ease);
  transform: scaleX(0);
  transform-origin: left;
}

.pow.visible .pow__eng i { transform: scaleX(1); transition-delay: calc(var(--col) * 40ms); }

.pow__eng[data-eng="2"] i { background: var(--ink); }
.pow__eng[data-eng="1"] i { background: var(--hatch); }
.pow__eng[data-eng="0"] i { background: rgba(20, 19, 16, 0.06); }

.pow__cell.hl { background: rgba(20, 19, 16, 0.06); }

.pow__legend {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  margin-top: 1.2rem;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

.pow__legend b { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 400; }
.pow__legend i { width: 16px; height: 10px; display: inline-block; }
.pow__legend .k2 { background: var(--ink); }
.pow__legend .k1 { background: var(--hatch); }
.pow__legend .k0 { background: rgba(20, 19, 16, 0.1); }

.disc {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  padding: clamp(3.5rem, 8vw, 7rem) 0;
  border-top: 2px solid var(--ink);
  align-items: start;
}

.disc:nth-child(even) .disc__diagram { order: -1; }

@media (max-width: 900px) {
  .disc { grid-template-columns: 1fr; gap: 2.5rem; }
  .disc:nth-child(even) .disc__diagram { order: 0; }
}

.disc__no { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.18em; color: var(--stone); }

.disc__title { font-size: clamp(1.8rem, 3.8vw, 3.1rem); margin: 1rem 0 1.4rem; }

.disc__lead { color: rgba(20, 19, 16, 0.75); font-size: 1.02rem; line-height: 1.6; max-width: 34rem; }
.disc__lead em { font-style: normal; color: var(--stone); }

.disc__list { list-style: none; margin-top: 2rem; columns: 2; column-gap: 2.4rem; }
.disc__list li {
  break-inside: avoid;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--hairline-soft);
  font-size: 0.9rem;
  color: rgba(20, 19, 16, 0.75);
}

@media (max-width: 520px) { .disc__list { columns: 1; } }

.disc__diagram { position: sticky; top: 110px; }
@media (max-width: 900px) { .disc__diagram { position: static; } }

/* ---------------- about / team / contact ---------------- */

.sectors { list-style: none; margin-top: 2.5rem; border-top: 2px solid var(--ink); }

.sectors li {
  display: flex;
  align-items: baseline;
  gap: 1.6rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--hairline);
}

.sectors .no { font-size: 0.62rem; font-weight: 700; color: var(--stone); flex: none; }
.sectors strong { font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 700; text-transform: uppercase; min-width: 12ch; }
.sectors span:last-child { color: var(--stone); font-size: 0.9rem; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: clamp(1.6rem, 3.5vw, 3rem);
}

.team-card__photo { position: relative; aspect-ratio: 3 / 4; overflow: hidden; background: #e6e3da; }

.team-card__photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease, transform 1s var(--ease);
}

.team-card__photo img.bw { z-index: 1; }
.team-card:hover .team-card__photo img.bw { opacity: 0; }
.team-card:hover .team-card__photo img { transform: scale(1.04); }

.team-card__name { margin-top: 1rem; font-size: 1rem; font-weight: 700; text-transform: uppercase; }

.team-card__role {
  margin-top: 0.3rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

.quote {
  margin-top: clamp(4rem, 8vw, 7rem);
  border-left: 3px solid var(--ink);
  padding-left: clamp(1.5rem, 3vw, 2.5rem);
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  font-weight: 500;
  max-width: 46rem;
}

.quote cite {
  display: block;
  margin-top: 1.4rem;
  font-style: normal;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
}

.offices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}

@media (max-width: 760px) { .offices { grid-template-columns: 1fr; } }

.office { border-top: 2px solid var(--ink); padding-top: 1.6rem; }
.office h3 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.office p { margin-top: 1rem; color: rgba(20, 19, 16, 0.75); }
.office a { font-weight: 700; border-bottom: 2px solid var(--ink); transition: opacity 0.25s; }
.office a:hover { opacity: 0.55; }

/* ---------------- CTA / next page ---------------- */

.cta { text-align: center; padding: clamp(6rem, 13vw, 11rem) var(--pad); }

.cta h2 { font-size: clamp(2.6rem, 7vw, 6.5rem); margin-bottom: 2.4rem; }

.cta__sub {
  color: var(--stone);
  margin: -0.8rem 0 2.6rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.cta--orange { background: transparent; color: var(--ink); }

.next-page {
  display: block;
  border-top: 2px solid var(--ink);
  padding: clamp(3.5rem, 8vw, 6.5rem) var(--pad);
  position: relative;
}

.next-page__label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--stone);
}

.next-page__title {
  display: block;
  font-size: clamp(2.4rem, 7vw, 6.5rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.015em;
  line-height: 1.02;
  margin-top: 1rem;
  transition: opacity 0.35s, transform 0.6s var(--ease);
}

.next-page:hover .next-page__title { opacity: 0.5; transform: translateX(14px); }

.next-page__arrow {
  position: absolute;
  right: var(--pad);
  bottom: clamp(3.5rem, 8vw, 6.5rem);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  display: inline-block;
  transition: transform 0.5s var(--snap);
}

.next-page:hover .next-page__arrow { transform: rotate(-45deg); }

/* ---------------- footer (the only inversion) ---------------- */

.footer {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(5rem, 10vw, 8.5rem) var(--pad) 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: clamp(3rem, 7vw, 5rem);
}

.footer__logo {
  width: clamp(150px, 15vw, 190px);
  height: auto;
  display: block;
  margin-bottom: 1.3rem;
}

.footer h4 {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(247, 245, 240, 0.45);
  margin-bottom: 1.3rem;
}

.footer ul { list-style: none; }
.footer li { margin-bottom: 0.6rem; font-size: 0.95rem; }
.footer a { transition: opacity 0.25s; }
.footer a:hover { opacity: 0.5; }

.footer__tagline { color: rgba(247, 245, 240, 0.65); max-width: 22rem; font-size: 0.95rem; }

.footer__wordmark {
  /* sized off the footer's inner width so "DESIGN MODULES" always fits on one line */
  font-size: clamp(2rem, calc((100vw - 2 * var(--pad)) / 10.3), 12rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.95;
  color: transparent;
  -webkit-text-stroke: 1px rgba(247, 245, 240, 0.32);
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
}

.footer__wordmark span {
  display: inline-block;
  transform: translateY(112%);
  transition: transform 1.3s var(--ease) 0.15s;
}

.footer__wordmark.visible span { transform: none; }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--inverse-hairline);
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(247, 245, 240, 0.45);
}

.footer__grid, .footer__wordmark, .footer__bottom { will-change: transform; }
.footer { overflow: hidden; }

@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ================================================================
   ENGINE CONTRACTS — reveals, split text, rules, rolls, paint
   ================================================================ */

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s ease, transform 1s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

.img-reveal { clip-path: inset(0 0 100% 0); transition: clip-path 1.2s var(--ease); }
.img-reveal.visible { clip-path: inset(0 0 0 0); }

.split .w { display: inline-block; overflow: hidden; vertical-align: bottom; }
.split .wi { display: inline-block; transform: translateY(112%); transition: transform 1s var(--ease); }
.split.visible .wi { transform: translateY(0); }

.ruled { position: relative; }

.ruledraw {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.4s var(--ease) 0.1s;
  pointer-events: none;
}

.ruledraw--top { top: 0; }
.ruledraw--bottom { bottom: 0; }
.ruled.visible .ruledraw { transform: scaleX(1); }

.roll { display: inline-flex; overflow: hidden; height: 1.5em; vertical-align: bottom; }
.roll b { display: flex; flex-direction: column; font-weight: inherit; transition: transform 0.5s var(--ease); }
.roll b span { display: block; line-height: 1.5; }

a:hover > .roll b,
a:hover > * > .roll b,
button:hover > .roll b,
.btn:hover .roll b { transform: translateY(-50%); }

/* ================================================================
   INSTRUMENTS — loader, wipe, fly, CAD cursor, sheet corners
   ================================================================ */

html.js body:not(.loaded)::before {
  content: "";
  position: fixed;
  inset: 0;
  background: var(--paper);
  z-index: 299;
}

.loader {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: inset(0 0 0 0);
  transition: opacity 0.8s ease, visibility 0.8s;
}

.loader.peel {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.15s cubic-bezier(0.76, 0, 0.24, 1);
}

.loader.peel .loader__centre {
  opacity: 0;
  transform: translateY(-30px);
  transition: opacity 0.4s ease, transform 0.55s var(--ease);
}

.loader__centre {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  width: min(330px, 64vw);
}

.loader__markwrap { position: relative; width: 100%; display: block; }

.loader__mark { width: 100%; height: auto; display: block; clip-path: inset(0 100% 0 0); }

.loader__scan {
  position: absolute;
  top: -20%; bottom: -20%;
  left: 0;
  width: 2px;
  background: var(--ink);
  opacity: 0.6;
  transition: opacity 0.5s;
}

.loader.complete .loader__scan { opacity: 0; }

.loader__rule {
  width: 100%;
  height: 2px;
  background: var(--hairline);
  position: relative;
  overflow: hidden;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease);
}

.loader.set .loader__rule { transform: scaleX(1); }

.loader__rule i {
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
}

.loader__meta {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stone);
  opacity: 0;
  transition: opacity 0.8s ease 0.25s;
}

.loader.set .loader__meta { opacity: 1; }
.loader__meta em { font-style: normal; opacity: 0; transition: opacity 1s ease; }
.loader.captioned .loader__meta em { opacity: 1; }
.loader__meta b { font-weight: 700; font-variant-numeric: tabular-nums; color: var(--ink); }

.loader.done { opacity: 0; visibility: hidden; }
.loader.quick { transition-duration: 0.5s; }
.loader.quick .loader__mark { clip-path: none; }
.loader.quick .loader__rule,
.loader.quick .loader__scan,
.loader.quick .loader__meta { visibility: hidden; }

/* inter-page exit: the mark goes first, cleanly, on solid paper… */
.loader.quick.out .loader__centre {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.22s ease, transform 0.3s var(--ease);
}

/* …then the sheet lifts off the finished page, a touch brisker than
   the cinematic open */
.loader.quick.peel { transition: clip-path 0.85s cubic-bezier(0.76, 0, 0.24, 1); }
.loader.quick.peel .loader__centre { transition: none; }

.wipe {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(102%);
  pointer-events: none;
  transition: transform 0.7s cubic-bezier(0.76, 0, 0.24, 1);
}

.wipe.in { transform: translateY(0); }
.wipe i { display: none; }

.wipe__label {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: clamp(2.4rem, 7vw, 6rem);
  color: transparent;
  -webkit-text-stroke: 2px var(--ink);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.4s ease 0.3s, transform 0.5s var(--ease) 0.3s;
}

.wipe.in .wipe__label { opacity: 1; transform: none; }

.wipe__logo {
  width: min(300px, 52vw);
  height: auto;
  opacity: 0;
  transform: translateY(14px) scale(0.97);
  transition: opacity 0.4s ease 0.3s, transform 0.5s var(--ease) 0.3s;
}

.wipe.in .wipe__logo { opacity: 1; transform: none; }

body.leaving .split .wi {
  transform: translateY(112%) !important;
  transition: transform 0.5s var(--ease) !important;
  transition-delay: 0ms !important;
}

body.leaving .page-hero .eyebrow,
body.leaving .page-hero > p,
body.leaving .detail-head .eyebrow,
body.leaving .detail-head__scope,
body.leaving .lede {
  opacity: 0 !important;
  transition: opacity 0.4s ease !important;
}

.fly {
  position: fixed;
  z-index: 400;
  overflow: hidden;
  pointer-events: none;
  background: #e6e3da;
}

.fly img { width: 100%; height: 100%; object-fit: cover; display: block; }

@media (hover: hover) and (pointer: fine) {
  html.cad-on, html.cad-on body, html.cad-on a, html.cad-on button { cursor: none; }
}

.cad { position: fixed; inset: 0; z-index: 500; pointer-events: none; opacity: 0; transition: opacity 0.3s; }
.cad.show { opacity: 1; }

.cad__v { position: absolute; top: 0; bottom: 0; left: 0; width: 1px; background: rgba(20, 19, 16, 0.4); }
.cad__h { position: absolute; left: 0; right: 0; top: 0; height: 1px; background: rgba(20, 19, 16, 0.4); }
.cad__box { position: absolute; top: 0; left: 0; width: 15px; height: 15px; border: 2px solid var(--ink); background: rgba(247,245,240,0.4); }

.cad__xy {
  position: absolute;
  top: 0; left: 0;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}

.sheet-corners {
  position: fixed;
  inset: 13px;
  pointer-events: none;
  z-index: 90;
  mix-blend-mode: difference;
}

.sheet-corners i { position: absolute; width: 20px; height: 20px; border: 2px solid #fff; }
.sheet-corners i:nth-child(1) { top: 0; left: 0; border-right: none; border-bottom: none; }
.sheet-corners i:nth-child(2) { top: 0; right: 0; border-left: none; border-bottom: none; }
.sheet-corners i:nth-child(3) { bottom: 0; left: 0; border-right: none; border-top: none; }
.sheet-corners i:nth-child(4) { bottom: 0; right: 0; border-left: none; border-top: none; }

@media (max-width: 760px) { .sheet-corners { display: none; } }

.dimline {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-top: 2.4rem;
  max-width: 46rem;
  color: var(--ink);
  opacity: 0;
  transition: opacity 0.6s ease 1s;
}

body.loaded .dimline { opacity: 1; }

.dimline i {
  flex: 1;
  height: 1px;
  background: currentColor;
  position: relative;
  transform: scaleX(0);
  transition: transform 1.1s var(--ease) 1.05s;
}

.dimline i:first-child { transform-origin: right; }
.dimline i:last-child { transform-origin: left; }
body.loaded .dimline i { transform: scaleX(1); }

.dimline i::before {
  content: "";
  position: absolute;
  top: -4px;
  width: 9px;
  height: 9px;
  border-left: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
}

.dimline i:first-child::before { left: -1px; transform: rotate(45deg); }
.dimline i:last-child::before { right: -1px; left: auto; transform: rotate(225deg); }

.dimline span {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

/* ---------------- reduced motion ---------------- */

@media (prefers-reduced-motion: reduce) {
  html.js body:not(.loaded)::before { display: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .img-reveal { clip-path: none; transition: none; }
  .split .wi { transform: none !important; }
  .ruledraw { transform: scaleX(1); transition: none; }
  .paint .wi { color: inherit; }
  .footer__wordmark span { transform: none; transition: none; }
  .roll b { transition: none; }
  .wipe { transition: none; }
  .loader.peel { transition: none; }
  .cad, .sheet-corners { display: none; }
  html.cad-on, html.cad-on body, html.cad-on a, html.cad-on button { cursor: auto; }
  .dimline { opacity: 1; }
  .dimline i { transform: scaleX(1); }
}

/* ---------------- mobile nav ---------------- */

@media (max-width: 768px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: fixed;
    inset: 0;
    background: var(--paper);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform 0.55s var(--ease), visibility 0s linear 0.55s;
  }
  .nav__links.open {
    transform: translateY(0);
    visibility: visible;
    transition: transform 0.55s var(--ease), visibility 0s;
  }
  .nav__links a { font-size: 1rem; }
}

/* ---------- accessibility: keyboard users can jump past the nav ---------- */

.skip-link {
  position: fixed;
  top: -100%;
  left: var(--pad, 1.5rem);
  z-index: 400;
  padding: 0.8rem 1.1rem;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: top 0.2s ease;
}

.skip-link:focus { top: 1rem; outline: 2px solid var(--paper); outline-offset: 2px; }

main { display: block; }

/* ---------- 404 ---------- */

.notfound { min-height: 70vh; display: flex; flex-direction: column; justify-content: center; }
.notfound .page-hero { padding-bottom: clamp(2rem, 4vw, 3rem); }
.notfound__actions { display: flex; flex-wrap: wrap; gap: 1rem; padding: 0 var(--pad) clamp(4rem, 8vw, 6rem); }

/* ---------- contact: map sheet beside the offices, stacked on phones ----------
   (these used to be inline styles, which beat the phone media queries and
   squeezed the map into a 190px column) */

.fact-sheet--contact { grid-template-columns: 1.15fr 1fr; align-items: start; }
.offices--stack { grid-template-columns: 1fr; align-content: start; }
.office .tel { display: block; width: fit-content; margin-top: 0.9rem; }

@media (max-width: 820px) {
  .fact-sheet--contact { grid-template-columns: 1fr; }
  .map-sheet { max-width: 520px; }
}

/* ---------- CTA with a primary (email) and secondary (call) action ---------- */

.cta__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; }