/* Fiches chantier — composition éditoriale et industrielle, mobile first. */
.project-hero {
  padding-block: clamp(2.5rem, 7vw, 6rem);
  background: var(--ink-deep);
  color: var(--paper);
}

.project-hero-grid {
  display: grid;
  gap: var(--space-2xl);
  align-items: end;
}

.project-hero-copy {
  display: grid;
  gap: var(--space-lg);
}

.project-hero .breadcrumb {
  color: var(--mist);
  font-size: var(--text-sm);
}

.project-hero .breadcrumb a {
  color: var(--paper);
}

.project-hero h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 10vw, 7rem);
  text-wrap: balance;
}

.project-hero .lead {
  max-width: 59ch;
  margin: 0;
  color: var(--mist);
  font-size: var(--text-lg);
  line-height: 1.65;
}

.project-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--line-dark);
  color: var(--steel);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-hero-media {
  margin: 0;
}

.project-hero-media img {
  width: 100%;
  max-height: 42rem;
  object-fit: cover;
  filter: grayscale(100%);
}

.project-hero-media figcaption {
  padding-top: var(--space-xs);
  color: var(--mist);
  font-size: var(--text-xs);
}

.project-intro-grid,
.project-process-grid,
.project-faq-grid {
  display: grid;
  gap: var(--space-2xl);
}

.project-story h2,
.project-facts h2 {
  margin-bottom: var(--space-lg);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1;
  text-transform: uppercase;
}

.project-story p {
  font-size: 1.075rem;
  line-height: 1.75;
}

.project-facts {
  position: relative;
  align-self: start;
  padding: var(--space-xl);
  border: 1px solid var(--line);
  background: var(--paper-dim);
}

.project-facts-number {
  position: absolute;
  top: -0.65em;
  right: var(--space-lg);
  color: transparent;
  font-family: var(--font-display);
  font-size: clamp(5rem, 16vw, 9rem);
  font-weight: 800;
  line-height: 1;
  -webkit-text-stroke: 1px var(--line);
}

.project-facts dl {
  position: relative;
  margin: 0;
}

.project-facts dl div {
  display: grid;
  gap: var(--space-2xs);
  padding-block: var(--space-md);
  border-top: 1px solid var(--line);
}

.project-facts dt {
  color: var(--stone);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-facts dd {
  margin: 0;
  font-weight: 700;
}

.project-gallery-section {
  padding-block: var(--space-section);
  background: var(--ink-deep);
  color: var(--paper);
}

.project-section-head {
  display: grid;
  gap: var(--space-md);
  max-width: 52rem;
  margin-bottom: var(--space-2xl);
}

.project-section-head h2 {
  font-size: clamp(2.4rem, 7vw, 5rem);
  text-wrap: balance;
}

.project-section-head p {
  margin: 0;
  color: var(--stone);
  line-height: 1.7;
}

.project-gallery-section .project-section-head p {
  color: var(--mist);
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: var(--space-lg);
}

.project-gallery figure {
  margin: 0;
}

.project-gallery img {
  width: 100%;
  height: clamp(22rem, 68vw, 36rem);
  object-fit: cover;
}

.project-gallery figcaption {
  padding-top: var(--space-sm);
  color: var(--mist);
  font-size: var(--text-sm);
}

.project-process ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-process li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-lg);
  padding-block: var(--space-lg);
  border-top: 1px solid var(--line);
}

.project-process li > span {
  color: var(--steel-ink);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  line-height: 1;
}

.project-process h3,
.project-decisions h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.05;
  text-transform: uppercase;
}

.project-process li p,
.project-decisions article p {
  margin: var(--space-sm) 0 0;
  color: var(--stone);
  line-height: 1.7;
}

.project-decisions {
  background: var(--paper-dim);
}

.project-decisions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: var(--space-xl);
}

.project-decisions article {
  padding-top: var(--space-lg);
  border-top: 2px solid var(--ink);
}

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

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

.project-faq summary {
  position: relative;
  min-height: 3.5rem;
  padding: var(--space-lg) 3rem var(--space-lg) 0;
  font-weight: 700;
  cursor: pointer;
}

.project-faq summary::after {
  position: absolute;
  top: 50%;
  right: 0;
  color: var(--steel-ink);
  content: '+';
  font-family: var(--font-display);
  font-size: var(--text-xl);
  transform: translateY(-50%);
}

.project-faq details[open] summary::after {
  content: '−';
}

.project-faq details p {
  padding: 0 0 var(--space-lg);
  line-height: 1.75;
}

.project-links {
  background: var(--ink-deep);
}

.project-links .container {
  display: grid;
}

.project-links a {
  display: grid;
  gap: var(--space-xs);
  min-height: 9rem;
  align-content: center;
  padding-block: var(--space-xl);
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-dark);
}

.project-links span {
  color: var(--steel);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-links strong {
  max-width: 24ch;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1;
  text-transform: uppercase;
}

@media (min-width: 48rem) {
  .project-intro-grid,
  .project-process-grid,
  .project-faq-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  }

  .project-faq-grid {
    grid-template-columns: minmax(18rem, 0.7fr) minmax(0, 1.3fr);
  }

  .project-links .container {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-links a {
    padding-inline: var(--space-xl);
    border-bottom: 0;
  }

  .project-links a + a {
    border-left: 1px solid var(--line-dark);
    text-align: right;
    justify-items: end;
  }
}

@media (min-width: 64rem) {
  .project-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(24rem, 0.72fr);
  }

  .project-hero-media img {
    min-height: 38rem;
  }

  .project-gallery:has(figure:nth-child(3)) .project-gallery-main {
    grid-column: span 2;
  }
}

@media (hover: hover) {
  .project-hero-media img,
  .project-gallery img {
    transition: filter 0.35s var(--ease-out), transform 0.45s var(--ease-out);
  }

  .project-hero-media:hover img,
  .project-gallery figure:hover img {
    filter: grayscale(0%);
  }

  .project-links a:hover strong {
    color: var(--steel);
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-hero-media img,
  .project-gallery img {
    transition: none;
  }
}