/* ==========================================================================
   Page d'accueil — d'après la maquette client du 19/09/2026.
   Chargée par le paramètre `css` de layout() : elle ne part que sur l'accueil.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Ouverture — les photographies occupent tout le haut de la page,
      le texte se pose dessus.
   -------------------------------------------------------------------------- */
.ouv {
  position: relative;
  display: flex; align-items: center;
  min-height: min(92vh, 860px);
  padding-top: calc(var(--hdr-h) + clamp(2rem, 1.5rem + 3vw, 4rem));
  padding-bottom: clamp(3rem, 2rem + 4vw, 5rem);
  background: var(--navy-900);
  overflow: hidden;
}

.ouv__fond { position: absolute; inset: 0; }
.ouv__photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  object-position: center 55%;
}

/* Les deux vues se succèdent lentement. La première reste le fond de base :
   si l'animation ne tourne pas, elle seule s'affiche, et le texte reste
   lisible en toutes circonstances. */
.ouv__photo--alt { opacity: 0; animation: ouvAlterne 20s ease-in-out infinite; }
@keyframes ouvAlterne {
  0%, 40% { opacity: 0; }
  50%, 90% { opacity: 1; }
  100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .ouv__photo--alt { animation: none; opacity: 0; }
}

/* Voile : sombre à gauche pour porter le texte, dégagé à droite sur la scène. */
.ouv__fond::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(to right, rgba(9, 19, 34, 0.93) 0%, rgba(9, 19, 34, 0.78) 34%, rgba(9, 19, 34, 0.34) 68%, rgba(9, 19, 34, 0.5) 100%),
    linear-gradient(to top, rgba(9, 19, 34, 0.8) 0%, rgba(9, 19, 34, 0) 42%);
}

.ouv__in { position: relative; z-index: 2; width: 100%; }
.ouv__texte { max-width: 48rem; }

.ouv__eyebrow {
  font-size: var(--fs-xs); letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--gold-400); margin: 0 0 1.1rem;
}
.ouv__titre {
  font-family: var(--ff-text);
  font-size: clamp(2.1rem, 1.2rem + 3.4vw, 4rem);
  font-weight: 700; line-height: 1.07; letter-spacing: -0.028em;
  color: #fff; margin: 0 0 1.15rem;
  text-shadow: 0 2px 18px rgba(9, 19, 34, 0.35);
}
.ouv__titre em { font-style: normal; color: var(--gold-400); }
.ouv__lede {
  font-size: var(--fs-lede); color: rgba(255, 255, 255, 0.86);
  max-width: 46ch; margin-bottom: 2rem;
}
.ouv__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* Les quatre piliers, sous les boutons, sur le fond photographique. */
.piliers {
  list-style: none; margin: clamp(2rem, 1.5rem + 2vw, 3rem) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.75rem, 0.5rem + 1vw, 1.5rem);
  max-width: 44rem;
}
.piliers li { margin: 0; display: grid; gap: 0.6rem; align-content: start; }
.piliers__rond {
  width: 46px; height: 46px; border-radius: 50%;
  border: 1.5px solid rgba(231, 173, 69, 0.55);
  display: grid; place-items: center;
  background: rgba(11, 22, 38, 0.4); backdrop-filter: blur(4px);
}
.piliers__rond .ic { width: 21px; height: 21px; color: var(--gold-400); }
.piliers strong { display: block; font-size: var(--fs-sm); color: #fff; font-weight: 700; }
.piliers strong + span { display: block; font-size: var(--fs-xs); color: rgba(255, 255, 255, 0.68); }

/* Repères posés dans les coins de la photographie. */
.ouv__lieu {
  position: absolute; top: calc(var(--hdr-h) + 1rem); right: var(--gutter);
  z-index: 3; margin: 0;
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.4rem 0.8rem; border-radius: 999px;
  background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(6px);
  font-size: var(--fs-xs); font-weight: 600; color: var(--navy);
  box-shadow: 0 2px 10px rgba(11, 22, 38, 0.18);
}
.ouv__lieu .drapeau { margin-right: 0.1rem; }

.ouv__manuscrit {
  /* Les cartes d activites remontent sur le hero : la formule doit passer
     au-dessus d elles, sinon elle disparait derriere. */
  position: absolute; right: var(--gutter); bottom: clamp(6.5rem, 5rem + 2.5vw, 9rem);
  z-index: 3; margin: 0;
  font-family: var(--ff-display); font-style: italic; font-weight: 600;
  font-size: clamp(1.2rem, 0.9rem + 1.1vw, 2rem);
  color: #fff; text-shadow: 0 2px 14px rgba(9, 19, 34, 0.6);
  pointer-events: none;
}

@media (max-width: 1000px) {
  .ouv { min-height: auto; }
  .ouv__fond::after {
    background:
      linear-gradient(to right, rgba(9, 19, 34, 0.9) 0%, rgba(9, 19, 34, 0.7) 60%, rgba(9, 19, 34, 0.6) 100%),
      linear-gradient(to top, rgba(9, 19, 34, 0.85) 0%, rgba(9, 19, 34, 0) 50%);
  }
  .ouv__manuscrit { display: none; }
}
@media (max-width: 620px) {
  .piliers { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
  /* La pastille passe a gauche : le texte doit lui laisser la place,
     sinon elle recouvre le libelle de l entreprise. */
  .ouv__lieu { right: auto; left: var(--gutter); }
  .ouv__texte { padding-top: 3.25rem; }
}

/* --------------------------------------------------------------------------
   2. Les cinq activités
   -------------------------------------------------------------------------- */
.activites-sec {
  background: var(--cream);
  /* Les cartes remontent sur la photographie du hero, comme sur la maquette. */
  margin-top: clamp(-4.5rem, -3rem - 2vw, -2.5rem);
  position: relative; z-index: 3;
  padding-bottom: clamp(2.5rem, 2rem + 3vw, 4.5rem);
}
.activites {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(0.85rem, 0.6rem + 0.8vw, 1.25rem);
}
.activites li { margin: 0; }

.acti {
  display: flex; flex-direction: column; height: 100%;
  background: #fff; border: var(--line); border-radius: var(--r);
  overflow: hidden; text-decoration: none; color: inherit;
  box-shadow: 0 2px 14px rgba(11, 22, 38, 0.05);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.3s var(--ease);
}
.acti:hover, .acti:focus-visible {
  transform: translateY(-5px); border-color: var(--navy-500);
  box-shadow: 0 12px 30px rgba(11, 22, 38, 0.13);
}
.acti__img { display: block; overflow: hidden; background: var(--cream-200); }
.acti__img img {
  width: 100%; aspect-ratio: 16 / 10; object-fit: cover; display: block;
  transition: transform 0.8s var(--ease);
}
.acti:hover .acti__img img { transform: scale(1.06); }

/* La pastille chevauche la photographie, comme sur la maquette. */
.acti__corps {
  position: relative; display: flex; flex-direction: column; flex: 1;
  padding: 1.9rem 1.1rem 1.15rem;
}
.acti__badge {
  position: absolute; top: -22px; left: 1.1rem;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--navy); display: grid; place-items: center;
  box-shadow: 0 4px 12px rgba(11, 22, 38, 0.25);
  transition: background 0.3s var(--ease);
}
.acti__badge .ic { width: 21px; height: 21px; color: var(--gold-400); }
.acti:hover .acti__badge { background: var(--gold); }
.acti:hover .acti__badge .ic { color: var(--navy); }

.acti__titre {
  display: block; font-size: var(--fs-h4); font-weight: 700;
  color: var(--navy); margin-bottom: 0.3rem;
}
.acti__texte {
  display: block; font-size: var(--fs-xs); line-height: 1.5;
  color: var(--steel-700); margin-bottom: 1.1rem;
}
.acti__fleche {
  margin-top: auto; align-self: flex-end;
  width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--steel-200);
  display: grid; place-items: center;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.acti__fleche .ic { width: 15px; height: 15px; color: var(--navy); transition: color 0.3s var(--ease); }
.acti:hover .acti__fleche { background: var(--navy); border-color: var(--navy); }
.acti:hover .acti__fleche .ic { color: #fff; }

@media (max-width: 1200px) { .activites { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .activites { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .activites { grid-template-columns: minmax(0, 1fr); } }

/* --------------------------------------------------------------------------
   3. Bandeau de repères
   -------------------------------------------------------------------------- */
.reperes-sec { background: var(--cream); padding-bottom: clamp(2.5rem, 2rem + 3vw, 4rem); }
.reperes {
  list-style: none; margin: 0;
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem) clamp(1.25rem, 1rem + 1.5vw, 2.5rem);
  border-radius: var(--r);
  background: linear-gradient(140deg, var(--navy-700) 0%, var(--navy) 55%, var(--navy-800) 100%);
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(1rem, 0.75rem + 1vw, 2rem);
}
.reperes li {
  margin: 0; display: flex; align-items: center; gap: 0.8rem;
  padding-left: clamp(1rem, 0.75rem + 1vw, 2rem);
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}
.reperes li:first-child { padding-left: 0; border-left: 0; }
.reperes__rond {
  flex: none; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid rgba(231, 173, 69, 0.45);
  display: grid; place-items: center;
}
.reperes__rond .ic { width: 20px; height: 20px; color: var(--gold-400); }
.reperes strong {
  display: block; font-family: var(--ff-display); font-size: 1.45rem;
  color: #fff; line-height: 1.1; letter-spacing: -0.015em;
}
.reperes strong + span { display: block; font-size: var(--fs-xs); color: rgba(255, 255, 255, 0.66); }
.reperes__vision strong { color: var(--gold-400); }

@media (max-width: 1100px) {
  .reperes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reperes li { padding-left: 0; border-left: 0; }
  .reperes__vision { grid-column: 1 / -1; }
}
@media (max-width: 520px) { .reperes { grid-template-columns: minmax(0, 1fr); } }

/* --------------------------------------------------------------------------
   4. Films de présentation
   -------------------------------------------------------------------------- */
.film-sec {
  background: linear-gradient(168deg, var(--navy-700) 0%, var(--navy) 46%, var(--navy-800) 100%);
  color: rgba(255, 255, 255, 0.82);
  padding-block: clamp(3rem, 2rem + 4vw, 5rem);
}
.film-sec h2 { color: #fff; margin-bottom: 0.9rem; }
.film__tete { max-width: 60ch; margin-bottom: clamp(2rem, 1.5rem + 2vw, 3rem); }

/* Les deux films n'ont pas le même format : chacun garde le sien, la rangée
   les aligne par le haut plutôt que de les déformer. */
.films {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 1rem + 1.5vw, 2.25rem);
  align-items: start; justify-items: center;
}
.film { margin: 0; width: 100%; max-width: 30rem; }
.film--vertical { max-width: 20rem; }

.film__cadre {
  position: relative; border-radius: var(--r); overflow: hidden;
  background: var(--navy-900); box-shadow: var(--shadow-md);
  aspect-ratio: 1 / 1;
}
.film--vertical .film__cadre { aspect-ratio: 9 / 16; }
.film__video { width: 100%; height: 100%; object-fit: cover; display: block; }

.film__lecture {
  position: absolute; inset: 0; margin: auto;
  width: 72px; height: 72px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(11, 22, 38, 0.55);
  backdrop-filter: blur(6px);
  display: grid; place-items: center; cursor: pointer;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.film__lecture:hover, .film__lecture:focus-visible {
  background: var(--gold); border-color: var(--gold); transform: scale(1.06);
}
.film__triangle {
  width: 0; height: 0; margin-left: 5px;
  border-left: 19px solid #fff;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  transition: border-left-color 0.3s var(--ease);
}
.film__lecture:hover .film__triangle, .film__lecture:focus-visible .film__triangle {
  border-left-color: var(--navy);
}
.film figcaption {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  margin-top: 0.75rem; font-size: var(--fs-sm); font-weight: 600; color: #fff;
}
.film figcaption span { font-size: var(--fs-xs); font-weight: 400; color: rgba(255, 255, 255, 0.6); }
.film__repli { padding: 1.5rem; color: rgba(255, 255, 255, 0.8); font-size: var(--fs-sm); }
.film__repli a { color: var(--gold-400); }

@media (max-width: 760px) {
  .films { grid-template-columns: minmax(0, 1fr); }
  .film, .film--vertical { max-width: 22rem; }
}