/*
 * IBC Header & Footer v3
 * Palette Basque : Noir #0D0D0D · Rouge #C8102E · Vert #007A3D
 */


/* ═══════════════════════════════════════════
   LOGO v3
   ═══════════════════════════════════════════ */

.ibc-logo-v3 {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.ibc-logo-v3__img {
  height: 72px;
  width: auto;
  mix-blend-mode: screen;
}

.ibc-logo-v3__fallback {
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 4px;
  background: var(--ibc-rouge);
}

.ibc-logo-v3__ibc {
  font-family: var(--font-bebas);
  font-size: 22px;
  color: #fff;
  letter-spacing: 1px;
}


/* ═══════════════════════════════════════════
   HEADER v3
   ═══════════════════════════════════════════ */

.ibc-header {
  background-color: var(--ibc-noir);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

/* Sur homepage : caché par défaut, apparaît au scroll (100px) */
.ibc-header--homepage {
  transform: translateY(-100%);
  background-color: var(--ibc-noir);
  border-bottom-color: rgba(255,255,255,0.08);
}

/* Classe ajoutée par JS quand scrolled > 100px */
.ibc-header--homepage.is-scrolled {
  transform: translateY(0);
}

/* Toujours visible sur autres pages */
.ibc-header:not(.ibc-header--homepage) {
  transform: translateY(0) !important;
}

.ibc-header__inner {
  max-width: var(--ibc-container);
  margin-inline: auto;
  padding-inline: clamp(16px, 5vw, 80px);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}


/* ═══════════════════════════════════════════
   NAVIGATION DESKTOP v3
   ═══════════════════════════════════════════ */

.ibc-nav-v3 {
  display: flex;
  align-items: center;
  gap: 32px;
}

.ibc-nav-v3__item {
  position: relative;
}

.ibc-nav-v3__link {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  transition: color 0.2s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.ibc-nav-v3__link:hover,
.ibc-nav-v3__link.is-active {
  color: var(--ibc-rouge);
}

.ibc-nav-v3__chevron {
  width: 14px;
  height: 14px;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.ibc-nav-v3__item--dropdown:hover .ibc-nav-v3__chevron,
.ibc-nav-v3__item--dropdown.is-open .ibc-nav-v3__chevron {
  transform: rotate(180deg);
}

.ibc-nav-v3__cta {
  margin-left: 8px;
  padding: 10px 22px;
  font-size: 13px;
  letter-spacing: 0.3px;
}


/* ═══════════════════════════════════════════
   DROPDOWN MEGA-MENU v3
   ═══════════════════════════════════════════ */

.ibc-dropdown {
  position: absolute;
  top: calc(100% + 16px);
  left: 0;
  min-width: 260px;
  background: var(--ibc-noir-soft);
  border: 1px solid rgba(255,255,255,0.08);
  border-top: 2px solid var(--ibc-rouge);
  border-radius: 0 0 var(--ibc-radius) var(--ibc-radius);
  padding: 8px 0;
  box-shadow: var(--ibc-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  pointer-events: none;
}

/* Pont invisible qui comble le gap de 16px entre le lien parent et
   le dropdown : permet au survol de rester actif quand la souris
   descend du libellé vers le menu déroulant. */
.ibc-dropdown::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -16px;
  height: 16px;
  background: transparent;
}

/* Le parent dropdown doit englober tout son arbre (lien + dropdown)
   pour que le :hover ne se perde pas quand on sort du libellé. */
.ibc-nav-v3__item--dropdown {
  position: relative;
}

.ibc-nav-v3__item--dropdown:hover .ibc-dropdown,
.ibc-nav-v3__item--dropdown:focus-within .ibc-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.ibc-dropdown__link {
  display: block;
  padding: 10px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

.ibc-dropdown__link:hover {
  color: var(--ibc-white);
  background: rgba(200,16,46,0.12);
}

.ibc-dropdown__sep {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 6px 0;
}


/* ═══════════════════════════════════════════
   HAMBURGER MOBILE
   ═══════════════════════════════════════════ */

.ibc-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.ibc-hamburger__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.ibc-hamburger.is-open .ibc-hamburger__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ibc-hamburger.is-open .ibc-hamburger__bar:nth-child(2) { opacity: 0; }
.ibc-hamburger.is-open .ibc-hamburger__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ═══════════════════════════════════════════
   MENU MOBILE v3
   ═══════════════════════════════════════════ */

.ibc-mobile-menu {
  display: none;
  background-color: var(--ibc-noir-soft);
  border-top: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease;
}

.ibc-mobile-menu.is-open {
  max-height: 80vh;
  overflow-y: auto;
}

.ibc-mobile-nav {
  display: flex;
  flex-direction: column;
  padding: 20px clamp(16px, 5vw, 80px) 28px;
  gap: 2px;
}

.ibc-mobile-nav__link {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color 0.2s;
  display: block;
}
.ibc-mobile-nav__link:hover { color: var(--ibc-rouge); }

/* Groupe avec sous-menu mobile */
.ibc-mobile-group {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.ibc-mobile-nav__parent {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.85);
  text-align: left;
  transition: color 0.2s;
}
.ibc-mobile-nav__parent:hover,
.ibc-mobile-nav__parent.is-open { color: var(--ibc-rouge); }

.ibc-mobile-nav__parent svg {
  transition: transform 0.25s;
  flex-shrink: 0;
}
.ibc-mobile-nav__parent.is-open svg { transform: rotate(180deg); }

.ibc-mobile-submenu {
  display: none;
  flex-direction: column;
  padding: 4px 0 12px 16px;
  gap: 2px;
}
.ibc-mobile-submenu.is-open { display: flex; }

.ibc-mobile-submenu__link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  padding: 7px 0;
  transition: color 0.2s;
  display: block;
}
.ibc-mobile-submenu__link:hover { color: var(--ibc-rouge); }


/* ═══════════════════════════════════════════
   RESPONSIVE — Affichage mobile (< 1024px)
   ═══════════════════════════════════════════ */

@media (max-width: 1024px) {
  .ibc-nav-v3       { display: none; }
  .ibc-hamburger    { display: flex; }
  .ibc-mobile-menu  { display: block; }
}

/* Espacement page pour compenser le header fixe */
body:not(.page-template-front-page) .site-content,
body.page:not(.home) .site-content {
  padding-top: 80px;
}
.site-content { padding-top: 80px; }
body.home .site-content { padding-top: 0; }


/* ═══════════════════════════════════════════
   FOOTER v3 — 4 colonnes noir
   ═══════════════════════════════════════════ */

.ibc-footer-v3 {
  background-color: var(--ibc-noir);
  color: var(--ibc-white);
  padding-block: 64px 32px;
  position: relative;
  overflow: hidden;
}

/* Motif décoratif basque */
.ibc-footer-v3::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.ibc-footer-v3__inner {
  max-width: var(--ibc-container);
  margin-inline: auto;
  padding-inline: clamp(16px, 5vw, 80px);
  position: relative;
  z-index: 1;
}

.ibc-footer-v3__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

/* Colonne logo/description (2fr) */
.ibc-footer-v3__brand .ibc-logo-v3__img {
  height: 140px;
  margin-bottom: 16px;
  display: block;
}

.ibc-footer-v3__brand-fallback {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.ibc-footer-v3__brand-ibc {
  font-family: var(--font-bebas);
  font-size: 28px;
  color: var(--ibc-rouge);
}

.ibc-footer-v3__brand-name {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  color: var(--ibc-white);
  line-height: 1.3;
}

.ibc-footer-v3__desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  max-width: 360px;
  margin-bottom: 12px;
}

.ibc-footer-v3__location {
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(255,255,255,0.6);  /* relevé de 0.35 → 0.6 pour contraste AA sur fond noir */
}

/* Colonnes navigation/infos */
.ibc-footer-v3__col-title {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.ibc-footer-v3__col-title--rouge { color: var(--ibc-rouge); }
.ibc-footer-v3__col-title--vert  { color: var(--ibc-vert); }
.ibc-footer-v3__col-title--gris  { color: var(--ibc-gris-on-dark); }

.ibc-footer-v3__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ibc-footer-v3__links a {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.2s;
}

.ibc-footer-v3__links a:hover { color: var(--ibc-rouge); }

.ibc-footer-v3__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 10px;
}

.ibc-footer-v3__contact-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--ibc-rouge);
}

/* Séparation & copyright */
.ibc-footer-v3__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  text-align: center;
}

.ibc-footer-v3__copyright {
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(255,255,255,0.6);  /* relevé de 0.35 → 0.6 pour contraste AA sur fond noir */
  margin: 0;
}

.ibc-footer-v3__copyright strong { color: var(--ibc-rouge); font-weight: 600; }

/* Responsive footer */
@media (max-width: 1024px) {
  .ibc-footer-v3__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .ibc-footer-v3__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}