/* ============================================================
   VERBUM — Layout : navigation, héros, sections, pied de page
   ============================================================ */

/* ================= NAVIGATION ================= */
.nav-principale {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-nav);
  padding: 1.1rem 0;
  transition: background var(--duree-moyenne) var(--ease-douce),
              padding var(--duree-moyenne) var(--ease-douce),
              box-shadow var(--duree-moyenne) var(--ease-douce);
}
.nav-principale.scrollee {
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 0.65rem 0;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), var(--bordure-or);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--espace-m);
}

.logo-verbum {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-titre);
  font-size: 1.35rem;
  letter-spacing: 0.22em;
  color: var(--parchemin);
}
.logo-verbum .monogramme {
  width: 44px; height: 44px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 12px var(--or-lueur));
}
.logo-verbum .slogan {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.58rem;
  letter-spacing: 0.35em;
  color: var(--or-sacre);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-liens {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2vw, 1.9rem);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-liens a {
  position: relative;
  color: var(--blanc-parchemin);
  opacity: 0.82;
  padding: 0.4rem 0;
  transition: opacity var(--duree-rapide), color var(--duree-rapide);
}
.nav-liens a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1.5px;
  background: var(--degrade-or);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duree-rapide) var(--ease-sacree);
}
.nav-liens a:hover, .nav-liens a.actif { opacity: 1; color: var(--or-clair); }
.nav-liens a:hover::after, .nav-liens a.actif::after {
  transform: scaleX(1);
  transform-origin: left;
}

.bouton-nav {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--noir-profond);
  background: var(--degrade-or);
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  transition: transform var(--duree-rapide) var(--ease-sacree), box-shadow var(--duree-rapide);
}
.bouton-nav:hover { transform: translateY(-2px); box-shadow: var(--ombre-or); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.55rem;
  z-index: calc(var(--z-nav) + 2);
}
.burger span {
  width: 26px; height: 2px;
  background: var(--or-sacre);
  border-radius: 2px;
  transition: transform var(--duree-rapide) var(--ease-sacree), opacity var(--duree-rapide);
}
.burger.actif span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.actif span:nth-child(2) { opacity: 0; }
.burger.actif span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Barre de progression de lecture */
.barre-progression {
  position: absolute;
  left: 0; bottom: -1px;
  height: 2px;
  width: 100%;
  background: var(--degrade-or);
  transform: scaleX(0);
  transform-origin: left;
}

@media (max-width: 960px) {
  .burger { display: flex; }
  .nav-liens {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 1.8rem;
    font-size: 1.05rem;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duree-moyenne) var(--ease-douce);
    z-index: calc(var(--z-nav) + 1);
  }
  .nav-liens.ouvert { opacity: 1; pointer-events: auto; }
  .bouton-nav { display: none; }
}

/* ================= HÉROS ================= */
.heros {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--bleu-abysse);
}

.heros-couche {
  position: absolute;
  inset: -6%;
  background-size: cover;
  background-position: center;
  will-change: transform;
}
.heros-couche.fond {
  background-image: url("../assets/images/hero-qumran.jpg");
  transform: scale(1.08);
}
.heros-couche.voile {
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(10,10,15,0.18) 0%, rgba(10,10,15,0.82) 100%),
    var(--degrade-voile);
  inset: 0;
}

#particules {
  position: absolute;
  inset: 0;
  z-index: var(--z-decor);
  pointer-events: none;
}

.heros-contenu {
  position: relative;
  z-index: var(--z-contenu);
  text-align: center;
  padding: 7rem 1.5rem 5rem;
  max-width: 62rem;
}

.pastille-hero {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--or-clair);
  border: var(--bordure-or);
  background: rgba(201, 168, 76, 0.08);
  padding: 0.65rem 1.45rem;
  border-radius: 999px;
  margin-bottom: var(--espace-m);
}
.pastille-hero .pulsation {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--or-sacre);
  box-shadow: 0 0 0 0 var(--or-lueur);
  animation: pulsation 2.4s infinite;
}

.titre-hero {
  font-family: var(--font-titre);
  font-size: var(--texte-hero);
  font-weight: 900;
  letter-spacing: 0.14em;
  line-height: 1;
  margin-bottom: 0.6rem;
}
.titre-hero .lettre {
  display: inline-block;
  background: var(--degrade-or);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 6px 28px rgba(201, 168, 76, 0.35));
  opacity: 0;
  transform: translateY(0.45em) rotate(2deg);
  animation: lettre-gravee 1.1s var(--ease-sacree) forwards;
  animation-delay: calc(0.55s + var(--i) * 0.11s);
}

.slogan-hero {
  font-family: var(--font-soustitre);
  font-size: clamp(1.25rem, 2.8vw, 1.95rem);
  font-style: italic;
  font-weight: 500;
  color: var(--parchemin);
  opacity: 0;
  animation: montee-douce 1.2s var(--ease-sacree) 1.5s forwards;
}
.slogan-hero strong {
  font-style: normal;
  font-weight: 700;
  color: var(--or-clair);
}

.preambule-hero {
  margin: var(--espace-m) auto 0;
  max-width: 44rem;
  font-size: 1.16rem;
  color: rgba(240, 232, 213, 0.86);
  opacity: 0;
  animation: montee-douce 1.2s var(--ease-sacree) 1.85s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.05rem;
  margin-top: var(--espace-l);
  opacity: 0;
  animation: montee-douce 1.2s var(--ease-sacree) 2.15s forwards;
}

.indicateur-scroll {
  position: absolute;
  bottom: 2.1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-contenu);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-ui);
  font-size: 0.66rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gris-brume);
  opacity: 0;
  animation: montee-douce 1s var(--ease-sacree) 2.6s forwards;
}
.indicateur-scroll .souris {
  width: 24px; height: 40px;
  border: 1.5px solid var(--or-sacre);
  border-radius: 14px;
  position: relative;
}
.indicateur-scroll .souris::after {
  content: "";
  position: absolute;
  top: 7px; left: 50%;
  width: 3px; height: 8px;
  margin-left: -1.5px;
  border-radius: 3px;
  background: var(--or-sacre);
  animation: defilement 1.9s infinite;
}

/* ================= SECTIONS ================= */
.section-manifeste .grille-manifeste {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}
.section-manifeste .visuel {
  position: relative;
  border-radius: var(--rayon-l);
  overflow: hidden;
  box-shadow: var(--ombre-cartes);
}
.section-manifeste .visuel img {
  width: 100%;
  aspect-ratio: 4 / 3.2;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 1.2s var(--ease-sacree);
}
.section-manifeste .visuel:hover img { transform: scale(1.08); }
.section-manifeste .visuel::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(201, 168, 76, 0.35);
  border-radius: var(--rayon-l);
  pointer-events: none;
}
.cadre-or {
  position: absolute;
  inset: 0.9rem;
  border: 1px solid rgba(201, 168, 76, 0.45);
  border-radius: calc(var(--rayon-l) - 6px);
  pointer-events: none;
}

.citation-monumentale {
  font-family: var(--font-soustitre);
  font-size: clamp(1.45rem, 2.6vw, 2.05rem);
  font-style: italic;
  line-height: 1.5;
  color: var(--parchemin);
  margin: var(--espace-m) 0;
}
.citation-monumentale .guillemet {
  font-family: var(--font-titre);
  font-size: 3.2em;
  line-height: 0;
  vertical-align: -0.32em;
  color: var(--or-sacre);
  margin-right: 0.12em;
}

.section-chiffres {
  background:
    radial-gradient(ellipse 70% 90% at 50% 0%, rgba(201, 168, 76, 0.09) 0%, transparent 60%),
    var(--bleu-nuit);
  border-block: var(--bordure-or);
}
.grille-chiffres {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}
.chiffre-carte {
  text-align: center;
  padding: 2.1rem 1.15rem;
  border-radius: var(--rayon-m);
  background: rgba(10, 10, 15, 0.35);
  border: var(--bordure-fine);
  transition: transform var(--duree-moyenne) var(--ease-sacree), border-color var(--duree-moyenne), box-shadow var(--duree-moyenne);
}
.chiffre-carte:hover {
  transform: translateY(-8px);
  border-color: rgba(201, 168, 76, 0.5);
  box-shadow: var(--ombre-or);
}
.chiffre-carte .icone { width: 42px; height: 42px; margin: 0 auto 1.05rem; color: var(--or-sacre); }
.chiffre-carte .valeur {
  font-family: var(--font-titre);
  font-size: clamp(2.1rem, 3.6vw, 3.05rem);
  font-weight: 800;
  background: var(--degrade-or);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.05;
}
.chiffre-carte .unite {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gris-brume);
  margin-top: 0.75rem;
}

.section-frise .entete-section,
.section-galeries .entete-section,
.section-conventions .entete-section {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--espace-m);
  margin-bottom: var(--espace-l);
}

.section-galeries {
  background:
    radial-gradient(ellipse 60% 55% at 85% 10%, rgba(13, 27, 42, 0.85) 0%, transparent 70%),
    var(--noir-profond);
}

.section-conventions {
  background: var(--bleu-nuit);
  border-block: var(--bordure-fine);
}

.bloc-final {
  position: relative;
  overflow: hidden;
  text-align: center;
}
.bloc-final .fond-cite {
  position: absolute;
  inset: 0;
  background-image: url("../assets/images/desert-judee.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.32;
}
.bloc-final .fond-cite::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--degrade-voile);
}
.bloc-final .contenu-cite {
  position: relative;
  z-index: 2;
  max-width: 48rem;
  margin-inline: auto;
}

/* ================= PIED DE PAGE ================= */
.pied-de-page {
  background: var(--bleu-abysse);
  border-top: var(--bordure-or);
  padding: var(--espace-xl) 0 var(--espace-l);
}
.grille-pied {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--espace-l);
  margin-bottom: var(--espace-l);
}
.pied-de-page h4 {
  font-family: var(--font-ui);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--or-sacre);
  margin-bottom: 1.15rem;
}
.pied-de-page p, .pied-de-page li {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--gris-brume);
  line-height: 1.85;
}
.pied-de-page li a { transition: color var(--duree-rapide); }
.pied-de-page li a:hover { color: var(--or-clair); }

.baseline-pied {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: var(--espace-m);
  border-top: 1px solid rgba(201, 168, 76, 0.16);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--gris-pierre);
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1100px) {
  .grille-chiffres { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .section-manifeste .grille-manifeste { grid-template-columns: 1fr; }
  .grille-pied { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grille-chiffres { grid-template-columns: repeat(2, 1fr); }
  .grille-pied { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .titre-hero { letter-spacing: 0.08em; }
}