/* ==========================================================================
   YADEA — Shared layout
   Header (top bar, main nav, mega menu, search, mobile drawer),
   floating side toolbar and footer. Used by every page.
   ========================================================================== */

/* Pages whose first section is a full-bleed hero slide under the
   (transparent) navigation bar. The black top bar keeps its own space. */
body.has-hero { padding-top: var(--topbar-h); }
body:not(.has-hero) { padding-top: var(--header-h); }

/* ---------- Header shell ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0;
  z-index: var(--z-header);
}

/* Main navigation bar */
.navbar {
  position: relative;
  height: var(--nav-h);
  background: #fff;
  color: var(--c-ink);
  border-bottom: 1px solid rgba(0, 0, 0, .06);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.navbar__inner {
  height: 100%;
  display: flex; align-items: center; gap: 24px;
}

/* Transparent state (only while the hero is under the nav) */
.site-header.is-transparent .navbar {
  background: transparent;
  color: #fff;
  border-color: transparent;
}
.site-header.is-transparent .navbar::before {
  content: "";
  position: absolute; inset: 0 0 -40px 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, .32), rgba(0, 0, 0, 0));
  pointer-events: none;
}
.site-header.is-scrolled .navbar { box-shadow: 0 6px 24px rgba(0, 0, 0, .05); }

/* Logo: light version on transparent header, dark version on white header */
.brand { position: relative; display: block; flex: none; width: 140px; height: 39px; }
.brand img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; object-position: left center; transition: opacity var(--dur) var(--ease); }
.brand__light { opacity: 0; }
.site-header.is-transparent .brand__light { opacity: 1; }
.site-header.is-transparent .brand__dark { opacity: 0; }

/* Primary nav list */
.mainnav { flex: 1; display: flex; justify-content: flex-start; padding-left: clamp(24px, 8.5vw, 170px); height: 100%; }
.mainnav__list { display: flex; align-items: stretch; gap: clamp(20px, 3.1vw, 60px); height: 100%; }
.mainnav__item { position: static; display: flex; align-items: center; }
.mainnav__link {
  position: relative;
  display: inline-flex; align-items: center; gap: 4px;
  height: 100%;
  font-size: var(--fs-base);
  font-weight: 500;
  white-space: nowrap;
}
.mainnav__link .icon { font-size: 14px; transition: transform var(--dur-fast) var(--ease); }
.mainnav__link::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 12px;
  height: 2px; background: var(--c-brand);
  transform: scaleX(0);
  transition: transform var(--dur) var(--ease-expo);
}
.mainnav__link:hover::after,
.mainnav__link[aria-expanded="true"]::after,
.mainnav__link[aria-current="page"]::after { transform: scaleX(1); }
.mainnav__link[aria-expanded="true"] .icon { transform: rotate(180deg); }

.navbar__actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.icon-btn {
  display: grid; place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  font-size: 24px;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.icon-btn:hover { color: var(--c-brand); }
.burger { display: none; }

/* ---------- Mega menu (Product) ---------- */
.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: #fff;
  color: var(--c-ink);
  border-top: 1px solid var(--c-line);
  box-shadow: 0 30px 60px rgba(0, 0, 0, .12);
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path .55s var(--ease-expo), visibility 0s linear .55s;
}
.mega.is-open { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path .55s var(--ease-expo), visibility 0s; }
.mega__inner { display: grid; grid-template-columns: 240px 1fr; gap: 48px; padding-block: 36px 44px; }
.mega__title { font-size: var(--fs-xs); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--c-muted); margin-bottom: 18px; }
.mega__tabs { display: flex; flex-direction: column; gap: 4px; }
.mega__tab {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  font-size: var(--fs-base); font-weight: 500; text-align: left;
  color: var(--c-muted);
  border-left: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.mega__tab:hover { color: var(--c-ink); }
.mega__tab.is-active { color: var(--c-ink); border-color: var(--c-brand); background: var(--c-bg-soft); }
.mega__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; align-content: start; }
.mega-card {
  position: relative;
  display: flex; flex-direction: column; align-items: center;
  padding: 18px 16px 16px;
  background: var(--c-bg-soft);
  text-align: center;
  animation: megaIn .5s var(--ease-expo) both;
  animation-delay: calc(var(--i, 0) * 40ms);
}
.mega-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; transition: transform var(--dur) var(--ease-expo); }
.mega-card:hover img { transform: scale(1.06) translateY(-4px); }
.mega-card img.is-photo, .drawer__products img.is-photo { object-fit: cover; object-position: 30% 55%; }
.mega-card:hover img.is-photo { transform: scale(1.06); }
.mega-card__name { margin-top: 10px; font-size: var(--fs-sm); font-weight: 600; color: var(--c-ink); transition: color var(--dur-fast) var(--ease); }
.mega-card:hover .mega-card__name { color: var(--c-brand); }
.mega-card__series { font-size: var(--fs-xs); color: var(--c-muted); }
.mega-card__badge { position: absolute; top: 10px; left: 10px; padding: 2px 8px; font-size: 10px; font-weight: 700; letter-spacing: .06em; color: #fff; background: var(--c-brand); }
@keyframes megaIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- Search panel ---------- */
.search-panel {
  position: absolute; left: 0; right: 0; top: 100%;
  background: #fff; color: var(--c-ink);
  border-top: 1px solid var(--c-line);
  box-shadow: 0 30px 60px rgba(0, 0, 0, .12);
  clip-path: inset(0 0 100% 0); visibility: hidden;
  transition: clip-path .55s var(--ease-expo), visibility 0s linear .55s;
}
.search-panel.is-open { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path .55s var(--ease-expo), visibility 0s; }
.search-panel__inner { padding-block: 36px 44px; max-width: 980px; }
.search-form { display: flex; align-items: center; gap: 12px; border-bottom: 2px solid var(--c-ink); padding-bottom: 10px; }
.search-form .icon { font-size: 24px; color: var(--c-muted); }
.search-form input { flex: 1; min-width: 0; border: 0; outline: 0; font-size: var(--fs-lg); background: transparent; padding: 6px 0; }
.search-form input::placeholder { color: var(--c-faint); }
.search-panel__label { margin-top: 26px; font-size: var(--fs-xs); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--c-muted); }
.search-panel__chips { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  font-size: var(--fs-sm);
  background: var(--c-bg-soft);
  border-radius: 999px;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.chip:hover { background: var(--c-brand); color: #fff; }
.search-panel__empty { margin-top: 14px; font-size: var(--fs-sm); color: var(--c-muted); }

/* Dim layer behind open menus */
.header-scrim {
  position: fixed; inset: 0; z-index: calc(var(--z-header) - 1);
  background: rgba(0, 0, 0, .35);
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility 0s linear var(--dur);
}
.header-scrim.is-visible { opacity: 1; visibility: visible; transition: opacity var(--dur) var(--ease); }

/* ---------- Mobile drawer ---------- */
.drawer {
  position: fixed; inset: 0; z-index: var(--z-overlay);
  display: flex; flex-direction: column;
  background: #fff; color: var(--c-ink);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform .6s var(--ease-expo), visibility 0s linear .6s;
}
.drawer.is-open { transform: none; visibility: visible; transition: transform .6s var(--ease-expo), visibility 0s; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); padding-inline: var(--gutter); border-bottom: 1px solid var(--c-line); flex: none; }
.drawer__body { flex: 1; overflow-y: auto; padding: 12px var(--gutter) 40px; }
.drawer__list > li { border-bottom: 1px solid var(--c-line); }
.drawer__link {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
  padding: 18px 0; font-size: var(--fs-md); font-weight: 500; text-align: left;
}
.drawer__link .icon { font-size: 18px; transition: transform var(--dur-fast) var(--ease); }
.drawer__link[aria-expanded="true"] .icon { transform: rotate(180deg); }
.drawer__sub { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur) var(--ease); }
.drawer__sub > div { overflow: hidden; }
.drawer__sub.is-open { grid-template-rows: 1fr; }
.drawer__products { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding-bottom: 18px; }
.drawer__products a { display: block; padding: 10px; background: var(--c-bg-soft); text-align: center; font-size: var(--fs-sm); font-weight: 600; }
.drawer__products img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; }
.drawer__secondary { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.drawer__secondary a { font-size: var(--fs-sm); color: var(--c-muted); }
.drawer li { opacity: 0; transform: translateX(24px); transition: opacity .5s var(--ease), transform .6s var(--ease-expo); }
.drawer.is-open li { opacity: 1; transform: none; transition-delay: calc(.12s + var(--i, 0) * 45ms); }

/* ---------- Floating side toolbar ---------- */
.side-tools {
  position: fixed; right: 0; bottom: 9vh; z-index: var(--z-sidebar);
  display: flex; flex-direction: column; gap: 10px;
}
.side-tools__group { display: flex; flex-direction: column; background: #fff; box-shadow: -4px 6px 24px rgba(0, 0, 0, .08); }
.side-tools__btn {
  position: relative;
  display: grid; place-items: center;
  width: 64px; height: 64px;
  color: var(--c-brand);
  font-size: 26px;
  background: #fff;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.side-tools__group .side-tools__btn + .side-tools__btn { border-top: 1px solid #f0f0f0; }
.side-tools__btn:hover { background: var(--c-brand); color: #fff; }
.side-tools__btn .icon { stroke-width: 1.4; }
.side-tools__label {
  position: absolute; right: calc(100% + 10px); top: 50%;
  padding: 7px 14px;
  font-size: var(--fs-sm); font-weight: 500; white-space: nowrap;
  color: #fff; background: var(--c-ink);
  opacity: 0; pointer-events: none;
  transform: translate(10px, -50%);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur) var(--ease-expo);
}
.side-tools__btn:hover .side-tools__label,
.side-tools__btn:focus-visible .side-tools__label { opacity: 1; transform: translate(0, -50%); }
.side-tools__top { box-shadow: -4px 6px 24px rgba(0, 0, 0, .08); opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s linear var(--dur); }
.side-tools__top.is-visible { opacity: 1; visibility: visible; transform: none; transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); }

/* ---------- Footer ---------- */
.site-footer { background: var(--c-footer); color: #fff; }
.footer__main {
  display: grid;
  grid-template-columns: repeat(5, auto) minmax(260px, 400px);
  justify-content: space-between;
  gap: 40px;
  padding-block: 64px 56px;
}
.footer__main--compact { grid-template-columns: minmax(0, 1fr) minmax(260px, 400px); }
.footer__heading { font-size: var(--fs-md); font-weight: 600; color: #fff; }
.footer__heading-btn { display: flex; width: 100%; align-items: center; justify-content: space-between; text-align: left; cursor: default; }
.footer__heading-btn .icon { display: none; }
.footer__links { margin-top: 26px; display: grid; gap: 10px; align-content: start; }
.footer__links a {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, .78);
  transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.footer__links a:hover { color: var(--c-brand); transform: translateX(3px); }
.footer__links .icon { font-size: 12px; }
.footer__cols { display: flex; gap: clamp(40px, 8vw, 150px); }

.footer__subscribe-text { margin-top: 26px; font-size: var(--fs-sm); color: rgba(255, 255, 255, .7); }
.subscribe { margin-top: 18px; display: flex; padding: 4px; border: 1px solid rgba(255, 255, 255, .55); transition: border-color var(--dur-fast) var(--ease); }
.subscribe:focus-within { border-color: #fff; }
.subscribe input { flex: 1; min-width: 0; padding: 8px 10px; border: 0; outline: 0; background: transparent; color: #fff; font-size: var(--fs-sm); }
.subscribe input::placeholder { color: rgba(255, 255, 255, .4); }
.subscribe button {
  padding: 8px 18px;
  font-size: var(--fs-sm); font-weight: 600;
  color: var(--c-ink); background: #fff;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.subscribe button:hover { background: var(--c-brand); color: #fff; }
.subscribe__msg { min-height: 20px; margin-top: 8px; font-size: var(--fs-xs); color: rgba(255, 255, 255, .7); }
.subscribe__msg.is-error { color: #ff8a4c; }
.subscribe__msg.is-success { color: #8fe3a5; }

.socials { margin-top: 40px; display: flex; gap: 22px; }
.socials a { display: grid; place-items: center; width: 24px; height: 24px; color: rgba(255, 255, 255, .8); font-size: 18px; transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease); }
.socials a:hover { color: var(--c-brand); transform: translateY(-3px); }

.footer__bottom { border-top: 1px solid var(--c-footer-line); }
.footer__bottom-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 30px;
  padding-block: 20px;
  font-size: var(--fs-xs); color: rgba(255, 255, 255, .6);
}
.footer__legal { display: flex; gap: 28px; }
.footer__legal a:hover { color: #fff; }

/* ---------- Language switcher (FR | EN) ---------- */
.lang { display: inline-flex; align-items: center; gap: 2px; font-size: var(--fs-sm, 14px); font-weight: 600; letter-spacing: .06em; }
.lang button {
  min-width: 36px; min-height: 36px; padding: 0 6px;
  border-radius: 999px; opacity: .6;
  transition: opacity var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.lang button:hover { opacity: 1; color: var(--c-brand); }
.lang button[aria-pressed="true"] { opacity: 1; }
.lang button[aria-pressed="true"]::after { content: ""; display: block; height: 2px; margin: 1px 6px 0; background: var(--c-brand); border-radius: 2px; }
.lang__sep { opacity: .35; }
.drawer__lang { padding: 8px 0 16px; border-bottom: 1px solid var(--c-line); margin-bottom: 8px; }
.drawer__lang .lang button { opacity: .55; color: var(--c-ink); }
.drawer__lang .lang button[aria-pressed="true"] { opacity: 1; }
@media (max-width: 480px) { .navbar__actions .lang { display: none; } }