@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');

:root {
  --paper:      #fdfbf9;
  --paper-dim:  #efe9df;
  --ink:        #1c1a17;
  --mauve:      #8a6a5c;
  --mauve-dark: #5c4238;
  --sage:       #7c8a6e;
  --line:       #d9d1c3;
  --number:     #d6d6d6;
  --font-display: "Montserrat", sans-serif;
  --font-body:    "Work Sans", sans-serif;
}


* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}

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

/* ---------- En-tête de projet ---------- */
.intro {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 8vh 8vw;
  border-bottom: 1px solid var(--line);
}

.intro__eyebrow {
  font-family: var(--font-body);
  font-size:  clamp(0.95rem, 5vw, 2.095rem);
  text-transform: uppercase;
  color: var(--mauve-dark);
  margin: 0 0 0.5rem;
}

.intro__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.5rem, 10vw, 8.5rem);
  text-transform: uppercase;
  line-height: 0.9;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

.intro__meta {
  max-width: 34ch;
  margin: 1.5rem 0 0;
  color: var(--mauve-dark);
  font-size: 1.05rem;
}

.intro__scroll {
  margin-top: 4rem;
  font-size: 0.85rem;
  color: var(--ink);
  opacity: 0.5;
  padding-left: 1.6rem;
  position: relative;
}

.intro__scroll::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.54em;
  width: 1.1rem;
  height: 6px;
  background: currentColor;
}

/* ---------- Structure générale des blocs ---------- */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 6vw;
}

.block {
  position: relative;
  padding: 14vh 0;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.block--stacked {
  display: block;
}

.block__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 6vh;
}

.block__row--end {
  align-items: start;
}

.block__side {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* Bloc 2 (projet 02) : image verticale à gauche, image + texte empilés à droite */
.block--dual {
  grid-template-columns: 0.85fr 1.15fr;
  align-items: stretch;
}

.block__col {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* Image qui occupe toute la hauteur disponible, que ce soit un item de grille étirée (.block--*) ou un enfant flex (.block__col) */
.block__image--tall {
  flex: 1;
  height: 100%;
}

.block__image--tall img {
  height: 100%;
  object-fit: cover;
}

/* Bloc 3 (projet 02) : titre + image verticale à gauche, image large + (numéro/image) à droite */
.block--trio {
  grid-template-columns: 0.6fr 1.4fr;
  align-items: stretch;
}

/* Bloc 3 (projet 03) : titre + numéro puis image à gauche, deux images empilées à droite */
.block--trio-rev {
  align-items: stretch;
}

.block__row--numeral {
  display: flex;
  align-items: flex-end;
  gap: 2rem;
}

.block__row--numeral .block__image {
  flex: 1;
}

/* Bloc 3 (projet 07) : image + texte + image alignés sur une même ligne */
.block__row--triple {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.block__row--triple .block__image {
  flex: 1;
}

.block__row--triple .block__text {
  flex: 0 1 26ch;
}

/* Titre superposé en haut à gauche d'une image pleine largeur */
.block__overlay {
  position: relative;
  margin-top: 6vh;
}

.block__overlay .block__text {
  position: absolute;
  top: 2rem;
  left: 0;
  z-index: 1;
  margin: 0;
}

/* ---------- Images ---------- */
.block__image img {
  width: 100%;
  border: 1px solid var(--line);
}

.block__image--strip img,
.block__image--wide img {
  border: none;
}

/* Bloc 3 : image de coupe en arrière-plan, en débord plein écran */
.block__feature-wrap {
  grid-column: 1 / -1;
  grid-row: 1;
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  aspect-ratio: 1796 / 627;
  overflow: hidden;
}

.block__feature-bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/p01-coupe.avif');
  background-size: cover;
  background-position: center;
}

.block__row--feature .block__text {
  grid-column: 2;
  grid-row: 1;
  position: relative;
  z-index: 1;
  align-self: start;
  justify-self: end;
  margin-top: 8vh;
}

/* ---------- Textes ---------- */
.block__text h2,
.intro__title {
  font-family: var(--font-display);
}

.block__text h2 {
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
  line-height: 1.1;/* interligne */
  text-transform: uppercase;
}

.block__text .small {
  font-size: clamp(1.6rem, 2vw, 2.1rem);
}

.block__text p {
  margin: 0;
  max-width: 46ch;
  color: var(--ink);
}

.block__text--tight p {
  max-width: 34ch;
  font-size: 1.15rem;
  color: var(--mauve-dark);
}

.align-right {
   text-align: right;
}

.block__number {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4rem, 8vw, 7rem);
  color: var(--number);
  -webkit-text-stroke: 1.5px var(--line);
  line-height: 1;
  margin-bottom: 1rem;
}

/* Numéro géant en biais (90°), ancré tout à gauche et en arrière-plan du Bloc 1 */
.block__number--corner {
  position: absolute;
  top: 5rem;
  left: -12vw;
  z-index: -1;
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(7rem, 22vw, 14rem);
  line-height: 0.85;
  color: var(--number);
  -webkit-text-stroke: 1.5px var(--line);
  margin: 0;
  pointer-events: none;
  transform-origin: center center;
}

/* Variante : numéro ancré en bas du bloc plutôt qu'en haut */
.block__number--corner--low {
  top: auto;
  bottom: 2rem;
}

/* ---------- Lien retour (pages projet) ---------- */
.back-link {
  position: absolute;
  top: 3vh;
  left: 6vw;
  z-index: 1;
  color: var(--mauve-dark);
  font-family: var(--font-body);
  font-size: 0.9rem;
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.back-link:hover {
  opacity: 1;
}

/* ---------- Grille de projets (accueil) ---------- */
.projects {
  padding: 10vh 0 14vh;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3.5rem 2.5rem;
}

.card-spacer {
  display: block;
}

.card {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.card:hover {
  transform: translateY(-0.4rem);
}

.card__media {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.card:hover .card__media img {
  transform: scale(1.04);
}

.card__media--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper-dim);
  border: 1px dashed var(--line);
  color: var(--mauve-dark);
  font-size: 0.9rem;
}

.card__body {
  padding-top: 1.2rem;
}

.card__number {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--number);
  margin-bottom: 0.3rem;
  
}

.card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 2.4vw, 0.9rem);
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
  line-height: 1.1;
  text-transform: uppercase;
}

.card__desc {
  margin: 0;
  max-width: 40ch;
  color: var(--mauve-dark);
  font-size: 0.98rem;
}

/* ---------- Emplacements image en attente (pages projet placeholder) ---------- */
.placeholder-media {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  background: var(--paper-dim);
  border: 1px dashed var(--line) !important;
  color: var(--mauve-dark);
  font-size: 0.9rem;
}

.placeholder-media img {
  display: none;
}

/* ---------- Pied de page ---------- */
.outro {
  padding: 8vh 8vw 10vh;
  color: var(--mauve-dark);
  font-size: 0.9rem;
}

.outro .back-link {
  position: static;
  display: inline-block;
  margin-top: 1rem;
}

/* ==========================================================================
   Animation au scroll : fondu + glissement depuis la gauche ou la droite.
   La classe .is-visible est ajoutée par script.js via IntersectionObserver.
   ========================================================================== */
.reveal {
  opacity: 0;
  transition: opacity 0.9s ease, transform 0.9s ease;
  will-change: transform, opacity;
}

.reveal--left  { transform: translateX(-4.5rem); }
.reveal--right { transform: translateX(4.5rem); }
.reveal--up    { transform: translateY(4rem); }

.reveal.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal.reveal--up.is-visible {
  transform: translateY(0);
}

/* Le numéro en biais garde son inclinaison tout en glissant vers sa position,
   avec une seconde de retard sur les autres animations du bloc */
.reveal.block__number--corner {
  transform: translateX(-4.5rem) rotate(-90deg);
  transition-delay: 0.2s;
}

.reveal.block__number--corner.is-visible {
  transform: translateX(0) rotate(-90deg);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: opacity 0.4s ease;
    transform: none !important;
  }

  .reveal.block__number--corner {
    transform: rotate(-90deg) !important;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1200px) and (min-width: 861px) {
  .projects {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-spacer {
    display: none;
  }
}

@media (max-width: 860px) {
  .block {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 8vh 0;
  }

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

  .block__row--numeral {
    flex-direction: column;
    align-items: flex-start;
  }

  .block__row--triple {
    flex-direction: column;
    align-items: stretch;
  }

  .block__row--triple .block__text {
    flex-basis: auto;
  }

  .block__feature-wrap,
  .block__row--feature .block__text {
    grid-column: 1;
    grid-row: auto;
  }

  .block__number--corner {
    top: 7rem;
    left: -4vw;
    font-size: clamp(5rem, 26vw, 8rem);
  }

  .intro {
    padding: 10vh 6vw;
  }

  .projects {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 6vh 0 10vh;
  }

  .card-spacer {
    display: none;
  }

  .back-link {
    top: 2vh;
    left: 5vw;
  }
}