:root {
  --bg: #f4f2ee;
  --ink: #141414;
  --muted: #6f6c66;
  --line: #d9d6d0;
  --pad: clamp(1.25rem, 4vw, 4.5rem);
  --nav: 4.25rem;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 1.45;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration: none;
}

h1, h2, h3, p {
  margin: 0;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: #fff;
  color: var(--ink);
  padding: 0.6rem 0.8rem;
  z-index: 30;
}

.skip:focus {
  top: 1rem;
}

.site-nav {
  position: fixed;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1.5rem;
  min-height: var(--nav);
  padding: 0 var(--pad);
  pointer-events: none;
}

.site-nav a,
.nav-toggle {
  pointer-events: auto;
  color: var(--ink);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

.site-nav.on-hero a,
.site-nav.on-hero .nav-toggle {
  color: #fff;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}

.site-nav nav {
  display: flex;
  gap: 1.6rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.4rem 0;
  font: inherit;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.hero {
  --hero-frame: max(100svh, 36rem);
  --hero-run: 260vh;
  position: relative;
  height: calc(var(--hero-frame) + var(--hero-run));
  background: #1c1c1c;
}

.hero-media {
  position: sticky;
  top: 0;
  height: var(--hero-frame);
  overflow: hidden;
  background: #1c1c1c;
}

.hero-media canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 42%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.38), transparent);
  pointer-events: none;
}

.hero-mark {
  position: absolute;
  z-index: 2;
  top: 1.15rem;
  left: var(--pad);
  width: min(8.5rem, 36vw);
}

.hero-mark img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-title {
  position: absolute;
  z-index: 2;
  left: var(--pad);
  right: var(--pad);
  bottom: clamp(1.4rem, 4.5vh, 2.8rem);
  margin: 0;
  color: #fff;
  font-weight: 500;
  font-size: clamp(1.3rem, 3.1vw, 2.8rem);
  letter-spacing: -0.048em;
  line-height: 0.9;
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.28);
}

.hero-title span {
  display: block;
}

.manifesto,
.facts,
.lead,
.before-after,
.projects,
.approach,
.zones,
.site-footer {
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.manifesto {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(16rem, 0.7fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  padding-top: clamp(5.5rem, 12vw, 9rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.manifesto h1 {
  font-size: clamp(3.3rem, 8.6vw, 8.4rem);
  font-weight: 500;
  letter-spacing: -0.048em;
  line-height: 0.88;
  max-width: 11ch;
}

.capabilities {
  list-style: none;
  margin: 0 0 0.4rem;
  padding: 0;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  line-height: 1.35;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem 3rem;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid var(--line);
}

.facts h2,
.zones h2,
.site-footer h2,
.section-kicker p,
.idx {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.facts p + p {
  color: var(--muted);
}

.lead {
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.lead p {
  max-width: 38rem;
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.before-after {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.compare {
  margin: 0;
}

.compare-frame {
  --pos: 50%;
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #e7e4de;
  user-select: none;
  touch-action: none;
  cursor: ew-resize;
}

.compare-frame:focus-within {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.compare-after,
.compare-before {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  display: block;
  pointer-events: none;
}

.compare-before {
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}

.compare-handle {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 2.75rem;
  transform: translateX(-50%);
  pointer-events: none;
}

.compare-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #fff;
  transform: translateX(-50%);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.compare-knob {
  position: absolute;
  left: 50%;
  top: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #fff;
  color: var(--ink);
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.28);
}

.compare-label {
  position: absolute;
  z-index: 2;
  top: 0.85rem;
  padding: 0.32rem 0.55rem;
  background: #141414;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  pointer-events: none;
}

.compare-label.is-before {
  left: 0.85rem;
}

.compare-label.is-after {
  right: 0.85rem;
}

.compare-range {
  position: absolute;
  z-index: 3;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  appearance: none;
  background: transparent;
  pointer-events: none;
}

.compare-range::-webkit-slider-runnable-track {
  height: 100%;
  background: transparent;
}

.compare-range::-webkit-slider-thumb {
  appearance: none;
  width: 2.75rem;
  height: 100%;
  background: transparent;
}

.compare-range::-moz-range-track {
  height: 100%;
  background: transparent;
}

.compare-range::-moz-range-thumb {
  width: 2.75rem;
  height: 100%;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.compare figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: 0.9rem;
}

.compare-place {
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.compare-kind {
  color: var(--muted);
  font-size: 0.95rem;
}

#projets,
#approche,
#contact,
#avant-apres {
  scroll-margin-top: 4.5rem;
}

.section-kicker {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
  margin-bottom: 2rem;
}

.section-kicker h2,
.approach h2,
.zones h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  text-transform: none;
  color: var(--ink);
}

.projects {
  padding-top: 1rem;
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.project-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(16rem, 0.85fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}

.projects ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.project {
  border-top: 1px solid var(--line);
}

.project:last-child {
  border-bottom: 1px solid var(--line);
}

.project button {
  width: 100%;
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  gap: 0.75rem 1rem;
  align-items: baseline;
  padding: 1.35rem 0 0.35rem;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.project .place {
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  letter-spacing: -0.04em;
  line-height: 1;
  font-weight: 500;
}

.project .meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.3;
}

.project p {
  max-width: 36rem;
  margin: 0 0 1.15rem 3.5rem;
  color: var(--muted);
  font-size: 1rem;
}

.project:not(.is-active) .place,
.project:not(.is-active) .idx {
  color: #9a968f;
}

.project.is-active .place {
  color: var(--ink);
}

.inline-photo {
  display: none;
  width: 100%;
  margin-bottom: 1.25rem;
}

.project-preview {
  position: sticky;
  top: 5rem;
  margin: 0;
  aspect-ratio: 4 / 5;
  background: #e7e4de;
  overflow: hidden;
}

.project-preview img {
  position: absolute;
  left: 0;
  top: -12%;
  width: 100%;
  height: 124%;
  max-width: none;
  object-fit: cover;
  display: block;
  will-change: transform;
  transition: opacity 0.45s ease;
}

.project-preview img.is-fading {
  opacity: 0;
}

.approach {
  padding-top: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.steps h3 {
  margin: 0.6rem 0 0.8rem;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.steps article > p:last-of-type {
  max-width: 32rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 11;
}

.inline-photo.media {
  aspect-ratio: 4 / 3;
}

.media img {
  position: absolute;
  left: 0;
  top: -14%;
  width: 100%;
  height: 128%;
  max-width: none;
  object-fit: cover;
  display: block;
  will-change: transform;
}

.zones {
  padding-top: 2rem;
  padding-bottom: clamp(4rem, 8vw, 6rem);
  border-top: 1px solid var(--line);
}

.zones ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  font-size: clamp(1.15rem, 2vw, 1.6rem);
  letter-spacing: -0.03em;
}

.site-footer {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--line);
  background: #eceae4;
}

.footer-name {
  font-size: clamp(3.5rem, 12vw, 9rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.85;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
}

.site-footer h2 {
  margin-bottom: 0.7rem;
}

.site-footer p + p {
  margin-top: 0.25rem;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.site-nav.on-hero a:focus-visible,
.site-nav.on-hero .nav-toggle:focus-visible {
  outline-color: #fff;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg);
    color: var(--ink);
    flex-direction: column;
    justify-content: flex-end;
    gap: 1.1rem;
    padding: 2rem var(--pad) 3rem;
  }

  .site-nav nav a {
    color: var(--ink);
    font-size: clamp(2rem, 8vw, 3rem);
    letter-spacing: -0.04em;
    text-transform: none;
  }

  body.nav-open .site-nav nav {
    display: flex;
  }

  body.nav-open .nav-toggle,
  body.nav-open .site-nav.on-hero .nav-toggle,
  body.nav-open .site-nav a {
    color: var(--ink);
    text-shadow: none;
  }

  body.nav-open .nav-toggle {
    position: relative;
    z-index: 21;
  }

  .manifesto,
  .facts,
  .compare-grid,
  .project-layout,
  .steps,
  .zones ul,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .project button {
    grid-template-columns: 2.2rem minmax(0, 1fr);
  }

  .project .meta {
    grid-column: 2;
    align-items: flex-start;
    text-align: left;
    margin-top: 0.35rem;
  }

  .project p {
    margin-left: 0;
  }

  .project-preview {
    display: none;
  }

  .inline-photo {
    display: block;
  }

  .zones ul {
    gap: 0.35rem;
  }
}

.mask {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  line-height: 0.96;
  padding: 0.08em 0 0.14em;
  margin-bottom: -0.08em;
}

.mask-inner {
  display: inline-block;
}

.js .mask-inner,
.js .rise,
.js .hero-title,
.js .hero-media img,
.js .media,
.js .project-preview,
.js .compare-frame {
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.js .mask-inner {
  transform: translateY(115%);
  transition: transform 1.05s cubic-bezier(0.16, 1, 0.3, 1);
}

.js .is-shown .mask-inner {
  transform: translateY(0);
}

.js .rise {
  opacity: 0;
  transform: translateY(2.4rem);
  transition: opacity 0.9s ease, transform 1.05s cubic-bezier(0.16, 1, 0.3, 1);
}

.js .rise.is-shown {
  opacity: 1;
  transform: none;
}

.js .hero-title {
  opacity: 0;
  transform: translateY(1.6rem);
  transition: opacity 1s ease 0.25s, transform 1.15s cubic-bezier(0.16, 1, 0.3, 1) 0.25s;
}

.js .hero-title.is-shown {
  opacity: 1;
  transform: none;
}

.js .media {
  clip-path: inset(14% 0 14% 0);
  transition: clip-path 1.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.js .media.is-shown {
  clip-path: inset(0);
}

.js .project-preview {
  clip-path: inset(8% 0 8% 0);
  transition: clip-path 1.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.js .project-preview.is-shown {
  clip-path: inset(0);
}

.js .compare-frame {
  clip-path: inset(8% 0 8% 0);
  transition: clip-path 1.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.js .compare-frame.is-shown {
  clip-path: inset(0);
}

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

  .hero {
    --hero-run: 0px;
  }

  .js .mask-inner,
  .js .rise,
  .js .hero-title,
  .js .hero-media img,
  .js .media,
  .js .project-preview,
  .js .compare-frame {
    opacity: 1;
    transform: none;
    clip-path: none;
    transition: none;
  }
}