/*
  Les variables centralisent les choix visuels.
  Changer une valeur ici permet de modifier tout le site.
*/
:root {
  --color-background: #f2f1ec;
  --color-text: #0a0a0a;
  --color-muted: #686862;
  --color-accent: #c8ff00;
  --color-dark: #0a0a0a;
  --color-light: #f2f1ec;
  --font-display: Arial, Helvetica, sans-serif;
  --font-body: Arial, Helvetica, sans-serif;
  --page-padding: clamp(1.25rem, 3vw, 3rem);
  --hero-media-offset: 0%;
}

/* Le navigateur calcule désormais les dimensions avec les bordures incluses. */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
}

main > section[id] {
  scroll-margin-top: 6.5rem;
}

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

.text-marker::before {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.7rem;
  background: var(--color-accent);
  content: '';
  transform: translateY(-0.08em);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.8rem 1rem;
  background: var(--color-accent);
  border: 2px solid var(--color-text);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.5rem var(--page-padding);
  background: rgba(242, 241, 236, 0.94);
  border-bottom: 1px solid rgba(10, 10, 10, 0.18);
  backdrop-filter: blur(12px);
}

.brand {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.08em;
}

.menu-toggle {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.5rem);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  transition: opacity 180ms ease;
}

.site-nav a:hover {
  opacity: 0.55;
}

.site-nav a[aria-current='location']::before {
  position: absolute;
  top: 50%;
  left: -0.85rem;
  width: 0.28rem;
  height: 0.28rem;
  background: var(--color-accent);
  box-shadow:
    0 -0.42rem 0 var(--color-accent),
    0 0.42rem 0 var(--color-accent);
  content: '';
  transform: translateY(-50%);
}

.site-nav__contact {
  padding: 0.7rem 1rem;
  background: var(--color-text);
  color: var(--color-background);
  border-radius: 999px;
}

.hero {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100svh;
  padding: 7rem var(--page-padding) var(--page-padding);
  overflow: hidden;
}

.hero__eyebrow {
  width: fit-content;
  margin: 0;
  padding: 0.55rem 0.8rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero__center {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 48vh;
  margin-block: 1.5rem;
  margin-inline: calc(var(--page-padding) * -1);
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0 0 0 var(--hero-media-offset);
  overflow: hidden;
  background: #1a2724 url("assets/media/hero-poster.webp") center / cover no-repeat;
}

.hero__media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 10, 10, 0.5), transparent 45%);
  content: "";
  pointer-events: none;
}

.hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__logo {
  position: relative;
  z-index: 2;
  width: fit-content;
  margin: 0 0 0 var(--page-padding);
  color: var(--color-light);
  font-family: var(--font-display);
  font-size: clamp(6rem, 19vw, 18rem);
  font-weight: 900;
  letter-spacing: -0.11em;
  line-height: 0.72;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.24);
}

.hero__signal {
  position: absolute;
  top: 20%;
  right: 8%;
  width: clamp(2.5rem, 7vw, 7rem);
  aspect-ratio: 1;
  background: var(--color-accent);
  border-radius: 50%;
  mix-blend-mode: multiply;
}

.hero__video-toggle {
  position: absolute;
  z-index: 3;
  right: var(--page-padding);
  bottom: 1rem;
  display: inline-flex;
  gap: 0.7rem;
  align-items: center;
  padding: 0.7rem 0.9rem;
  background: var(--color-accent);
  color: var(--color-text);
  border: 1px solid var(--color-text);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background-color 180ms ease, color 180ms ease;
}

.hero__video-toggle:hover {
  background: var(--color-text);
  color: var(--color-accent);
}

.hero__video-toggle:focus-visible {
  outline: 3px solid var(--color-light);
  outline-offset: 3px;
}

.hero__video-toggle-icon {
  min-width: 0.8rem;
  font-size: 0.8rem;
  line-height: 1;
  text-align: center;
}

.hero__bottom {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(18rem, 0.6fr);
  gap: 3rem;
  align-items: end;
}

.hero__bottom h2 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.2rem, 5.7vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.92;
}

.hero__intro {
  display: grid;
  gap: 1.5rem;
}

.hero__intro p {
  max-width: 38rem;
  margin: 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  line-height: 1.45;
}

.button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 22rem);
  padding: 1rem 1.2rem;
  background: var(--color-accent);
  border: 1px solid var(--color-text);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translate(-4px, -4px);
  box-shadow: 4px 4px 0 var(--color-text);
}

.section {
  display: grid;
  grid-template-columns: 5rem 1fr;
  min-height: 55vh;
  padding: var(--page-padding);
  border-top: 1px solid rgba(10, 10, 10, 0.25);
}

.section--dark {
  background: var(--color-dark);
  color: var(--color-light);
}

.section__number {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
}

.section h2 {
  align-self: center;
  margin: 0;
  font-size: clamp(4rem, 12vw, 11rem);
  letter-spacing: -0.08em;
  line-height: 0.8;
  text-transform: uppercase;
}

.section p:not(.section__number) {
  max-width: 32rem;
  font-size: 1rem;
  line-height: 1.5;
}

.projects-section {
  padding: var(--page-padding);
  background: var(--color-dark);
  color: var(--color-light);
}

.projects-section__header {
  display: grid;
  grid-template-columns: 5rem 1fr;
  margin-bottom: clamp(3rem, 8vw, 8rem);
}

.projects-section__header h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(4rem, 12vw, 11rem);
  letter-spacing: -0.08em;
  line-height: 0.8;
  text-transform: uppercase;
}

.projects-section__header div > p {
  max-width: 35rem;
  margin: 0;
  color: rgba(242, 241, 236, 0.65);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  line-height: 1.45;
}

.project-card {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(20rem, 0.55fr);
  min-height: 48rem;
  border: 1px solid rgba(242, 241, 236, 0.35);
}

.project-card + .project-card {
  margin-top: clamp(2rem, 5vw, 5rem);
}

.project-card__media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 42rem;
  overflow: hidden;
  background: #050505;
  border-right: 1px solid rgba(242, 241, 236, 0.35);
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 500ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.project-card:hover .project-card__media img {
  transform: scale(1.015);
}

.project-card__status {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  padding: 0.55rem 0.75rem;
  background: var(--color-accent);
  color: var(--color-text);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-card__content {
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 3vw, 3rem);
}

.project-card__index,
.project-card__type,
.project-card__discipline {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-card__index {
  margin-bottom: auto;
  color: var(--color-accent);
}

.project-card h3 {
  max-width: 10ch;
  margin: 4rem 0 2rem;
  font-size: clamp(2.6rem, 5vw, 5.5rem);
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.project-card__type {
  margin-bottom: 0.6rem;
}

.project-card__discipline {
  color: rgba(242, 241, 236, 0.55);
}

.project-card__description {
  max-width: 34rem;
  margin: 3rem 0 0;
  color: rgba(242, 241, 236, 0.7);
  font-size: 0.95rem;
  line-height: 1.55;
}

.project-card--case-study {
  display: block;
}

.project-card--case-study .project-card__content {
  display: grid;
  grid-template-columns: 7rem minmax(0, 0.9fr) minmax(0, 0.8fr);
  gap: clamp(1.5rem, 4vw, 5rem);
  align-items: end;
  min-height: 0;
  border-bottom: 1px solid rgba(242, 241, 236, 0.35);
}

.project-card--case-study .project-card__index {
  align-self: start;
  margin: 0;
}

.project-card--case-study h3 {
  max-width: 11ch;
  margin: 0;
}

.project-card--case-study .project-card__type {
  margin-bottom: 0.6rem;
}

.project-card--case-study .project-card__description {
  margin-top: 2rem;
}

.project-card__case-images {
  display: grid;
  gap: 1px;
  background: rgba(242, 241, 236, 0.35);
}

.project-card__case-images figure {
  margin: 0;
  overflow: hidden;
  background: #050505;
}

.project-card__case-images img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 500ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.project-card__case-images figure:hover img {
  transform: scale(1.01);
}

.services-section {
  padding: var(--page-padding);
  background: var(--color-background);
  color: var(--color-text);
}

.services-section__header {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 0;
  margin-bottom: clamp(3rem, 8vw, 8rem);
}

.services-section__header h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(4rem, 12vw, 11rem);
  letter-spacing: -0.08em;
  line-height: 0.8;
  text-transform: uppercase;
}

.services-section__header div > p {
  max-width: 38rem;
  margin: 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  line-height: 1.45;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-text);
  border-left: 1px solid var(--color-text);
}

.service-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 22rem;
  padding: clamp(1.25rem, 2.5vw, 2.5rem);
  border-right: 1px solid var(--color-text);
  border-bottom: 1px solid var(--color-text);
  transition: background-color 220ms ease, color 220ms ease;
}

.service-card:hover {
  background: var(--color-accent);
}

.service-card__number {
  margin: 0 0 3rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.service-card h3 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.service-card > p:last-child {
  max-width: 34rem;
  margin: 3rem 0 0;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.service-card:hover > p:last-child {
  color: var(--color-text);
}

.studio-section {
  padding: var(--page-padding);
  background: var(--color-dark);
  color: var(--color-light);
}

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

.studio-section__header h2 {
  margin: 0;
  font-size: clamp(4rem, 12vw, 11rem);
  letter-spacing: -0.08em;
  line-height: 0.8;
  text-transform: uppercase;
}

.studio-section__statement {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  padding-block: clamp(3rem, 8vw, 8rem);
  border-top: 1px solid rgba(242, 241, 236, 0.35);
  border-bottom: 1px solid rgba(242, 241, 236, 0.35);
}

.studio-section__statement p {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 7.5rem);
  letter-spacing: -0.065em;
  line-height: 0.94;
}

.studio-section__statement strong {
  color: var(--color-accent);
  font-weight: inherit;
}

.studio-section__statement span {
  color: var(--color-accent);
  font-size: clamp(2rem, 5vw, 5rem);
  line-height: 1;
}

.studio-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.studio-principles article {
  min-height: 25rem;
  padding: clamp(1.5rem, 2.5vw, 2.5rem);
  border-right: 1px solid rgba(242, 241, 236, 0.35);
}

.studio-principles article:first-child {
  border-left: 1px solid rgba(242, 241, 236, 0.35);
}

.studio-principles__number {
  margin: 0 0 5rem;
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.studio-principles h3 {
  max-width: 14ch;
  margin: 0 0 2rem;
  font-size: clamp(1.7rem, 2.8vw, 3rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.studio-principles article > p:last-child {
  max-width: 30rem;
  margin: 0;
  color: rgba(242, 241, 236, 0.65);
  font-size: 0.95rem;
  line-height: 1.55;
}

.contact-section {
  padding: var(--page-padding);
  background: var(--color-background);
  color: var(--color-text);
}

.contact-section__header {
  display: grid;
  grid-template-columns: 5rem 1fr;
  margin-bottom: clamp(4rem, 9vw, 9rem);
}

.contact-section__header h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(4rem, 12vw, 11rem);
  letter-spacing: -0.08em;
  line-height: 0.8;
  text-transform: uppercase;
}

.contact-section__header div > p {
  max-width: 45rem;
  margin: 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  line-height: 1.45;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: start;
  padding-top: clamp(2rem, 4vw, 4rem);
  border-top: 1px solid var(--color-text);
}

.contact-layout__intro {
  position: sticky;
  top: 2rem;
  display: grid;
  gap: 3rem;
}

.contact-layout__intro p {
  max-width: 9ch;
  margin: 0;
  font-size: clamp(2.8rem, 5.5vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.92;
}

.contact-layout__intro span {
  justify-self: end;
  color: var(--color-accent);
  font-size: clamp(2rem, 4vw, 4rem);
}

.contact-panel {
  display: grid;
  gap: 3rem;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(1.5rem, 3vw, 3rem);
  row-gap: 2.5rem;
}

.form-field {
  display: grid;
  gap: 0.75rem;
}

.form-field label {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.form-field label span {
  color: #699000;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 1rem 0;
  background: transparent;
  color: var(--color-text);
  border: 0;
  border-bottom: 1px solid rgba(10, 10, 10, 0.45);
  border-radius: 0;
  font: inherit;
  line-height: 1.4;
}

.form-field textarea {
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--color-text);
  box-shadow: 0 3px 0 var(--color-accent);
  outline: none;
}

.form-field--wide,
.contact-form__footer {
  grid-column: 1 / -1;
}

.form-field__counter {
  justify-self: end;
  color: var(--color-muted);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.contact-form__footer {
  display: grid;
  grid-template-columns: minmax(15rem, 0.8fr) minmax(0, 1.2fr);
  gap: 2rem;
  align-items: center;
  padding-top: 1.5rem;
}

.contact-form__submit {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 1.1rem 1.2rem;
  background: var(--color-accent);
  color: var(--color-text);
  border: 1px solid var(--color-text);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.contact-form__footer p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.75rem;
  line-height: 1.45;
}

.contact-social {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr) auto;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-text);
  border-bottom: 1px solid var(--color-text);
  font-weight: 700;
}

.contact-social:hover,
.contact-social:focus-visible {
  background: var(--color-accent);
  outline: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem var(--page-padding);
  border-top: 1px solid rgba(10, 10, 10, 0.25);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@media (max-width: 700px) {
  .site-header {
    align-items: center;
  }

  .menu-toggle {
    display: inline-flex;
    gap: 0.65rem;
    align-items: center;
    padding: 0.7rem 0.9rem;
    background: var(--color-accent);
    color: var(--color-text);
    border: 1px solid var(--color-text);
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .menu-toggle__icon {
    min-width: 0.8rem;
    font-size: 1rem;
    line-height: 1;
    text-align: center;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    display: grid;
    width: 100%;
    padding: 1.25rem var(--page-padding) 1.5rem;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-text);
    justify-items: end;
    gap: 0.75rem;
  }

  .js .site-nav {
    display: none;
  }

  .js .site-header.is-menu-open .site-nav {
    display: grid;
  }

  .site-nav__contact {
    margin-top: 0.3rem;
  }

  .hero {
    padding-top: 6.5rem;
  }

  .hero__center {
    align-items: end;
    min-height: 46vh;
    margin-inline: calc(var(--page-padding) * -1);
  }

  .hero__media {
    inset: 0;
  }

  .hero__media::after {
    background: linear-gradient(0deg, rgba(10, 10, 10, 0.65), transparent 60%);
  }

  .hero__media video {
    object-position: 54% center;
  }

  .hero__logo {
    margin: 0 var(--page-padding) 1.5rem;
    font-size: clamp(5.5rem, 30vw, 9rem);
  }

  .hero__signal {
    top: 10%;
    right: 0;
  }

  .hero__bottom {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .projects-section__header {
    grid-template-columns: 2.5rem 1fr;
  }

  .projects-section__header h2 {
    font-size: clamp(3rem, 17vw, 6rem);
  }

  .project-card {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .project-card__media {
    min-height: 32rem;
    border-right: 0;
    border-bottom: 1px solid rgba(242, 241, 236, 0.35);
  }

  .project-card__content {
    min-height: 34rem;
  }

  .project-card--case-study .project-card__content {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-block: 2rem;
  }

  .project-card--case-study h3 {
    margin-top: 2rem;
  }

  .studio-section__header {
    grid-template-columns: 2.5rem 1fr;
  }

  .studio-section__header h2 {
    font-size: clamp(3rem, 17vw, 6rem);
  }

  .studio-section__statement {
    grid-template-columns: 1fr;
  }

  .studio-section__statement span {
    justify-self: end;
  }

  .studio-principles {
    grid-template-columns: 1fr;
  }

  .studio-principles article {
    min-height: 20rem;
    border-left: 1px solid rgba(242, 241, 236, 0.35);
    border-bottom: 1px solid rgba(242, 241, 236, 0.35);
  }

  .studio-principles__number {
    margin-bottom: 3rem;
  }

  .contact-section__header {
    grid-template-columns: 2.5rem 1fr;
  }

  .contact-section__header h2 {
    font-size: clamp(3rem, 17vw, 6rem);
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-layout__intro {
    position: static;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .form-field--wide,
  .contact-form__footer {
    grid-column: auto;
  }

  .contact-form__footer,
  .contact-social {
    grid-template-columns: 1fr;
  }

  .services-section__header {
    grid-template-columns: 2.5rem 1fr;
  }

  .services-section__header h2 {
    font-size: clamp(3rem, 17vw, 6rem);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 20rem;
  }

  .section {
    grid-template-columns: 2.5rem 1fr;
    min-height: 42vh;
  }

  .section h2 {
    font-size: clamp(3rem, 17vw, 6rem);
  }

  .site-footer {
    display: grid;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }

  .hero__media video,
  .hero__video-toggle {
    display: none;
  }
}