/* ==========================================================================
   MSD SARL — En-tête, pied de page et navigation (transposition du prototype).
   Échelle identique au prototype : --msd-s = 1 unité de maquette (1024 px).
   ========================================================================== */

:root {
  --msd-s: min(calc(100vw / 1024), 1.5px);
  --msd-green-850: #0e1814;
  --msd-green-800: #112620;
  --msd-gold-soft: #bfa062;
  --msd-mosaic-rule: #1f2a25;
}

html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: clip; }

.msd-skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  padding: 10px 16px; background: var(--msd-muted-gold); color: var(--msd-forest-black);
  font-family: var(--msd-font-sans); font-weight: 600;
}
.msd-skip-link:focus { top: 12px; }

.msd-visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* Remise à zéro locale (neutralise le reset de Hello Elementor dans nos composants) */
.msd-header ul, .msd-footer ul { list-style: none; margin: 0; padding: 0; }
.msd-header p, .msd-footer p { margin: 0; }
.msd-header a, .msd-footer a { color: inherit; text-decoration: none; }
.msd-header img, .msd-header svg, .msd-footer img, .msd-footer svg { display: block; max-width: 100%; }

/* ---------- Pays ---------- */

.msd-country {
  display: inline-flex; align-items: center; gap: calc(12 * var(--msd-s));
  font-family: var(--msd-font-sans); font-size: calc(12.5 * var(--msd-s)); color: var(--msd-warm-ivory);
}
.msd-flag { width: calc(28 * var(--msd-s)); height: calc(21 * var(--msd-s)); }

/* ---------- Marque ---------- */

.msd-brand { display: flex; align-items: center; gap: calc(14 * var(--msd-s)); }
.msd-brand__logo { width: calc(72 * var(--msd-s)); height: auto; }
.msd-brand__text { display: flex; flex-direction: column; }
.msd-brand__name {
  font-family: var(--msd-font-serif); font-weight: 700;
  font-size: calc(31 * var(--msd-s)); line-height: 1; color: var(--msd-warm-ivory);
  letter-spacing: .005em;
}
.msd-brand__sarl { font-size: .84em; }
.msd-brand__sub {
  margin-top: calc(5 * var(--msd-s));
  font-family: var(--msd-font-sans); font-weight: 500;
  font-size: calc(11 * var(--msd-s)); letter-spacing: .02em;
  text-transform: uppercase; color: var(--msd-warm-ivory);
}

/* ---------- En-tête ---------- */

.msd-header {
  position: absolute; inset: 0 0 auto 0; z-index: 10;
  height: calc(76 * var(--msd-s));
  background: linear-gradient(90deg, rgba(11, 15, 13, .96) 0%, rgba(11, 15, 13, .9) 45%, rgba(11, 15, 13, .74) 100%);
  border-bottom: 1px solid var(--msd-rule-light);
}
.admin-bar .msd-header { top: 32px; }
.msd-header__inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 calc(20 * var(--msd-s)) 0 calc(55 * var(--msd-s));
}
.msd-main-nav { display: flex; align-items: center; }
.msd-main-nav__list { display: flex; gap: calc(30 * var(--msd-s)); }
.msd-main-nav__list a {
  font-family: var(--msd-font-serif); font-size: calc(13 * var(--msd-s));
  color: var(--msd-warm-ivory); transition: color .2s;
}
.msd-main-nav__list a:hover { color: var(--msd-muted-gold); }
.msd-main-nav__list a[aria-current="page"] {
  color: var(--msd-muted-gold);
  text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: calc(8 * var(--msd-s));
}
.msd-main-nav .msd-country {
  margin-left: calc(30 * var(--msd-s));
  padding-left: calc(18 * var(--msd-s));
  border-left: 1.5px solid var(--msd-muted-gold);
  height: calc(32 * var(--msd-s));
}
.msd-main-nav .msd-country .msd-flag { margin-right: calc(4 * var(--msd-s)); }

.msd-nav-toggle { display: none; }

/* ---------- Pied de page (footer institutionnel) ---------- */

.msd-footer {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #132d23 0%, #0f1d17 38%, var(--msd-forest-black) 100%);
  color: var(--msd-warm-ivory);
  font-family: var(--msd-font-sans); font-size: 15px; line-height: 1.55;
}
.msd-footer__hills { position: absolute; left: 0; right: 0; top: 0; width: 100%; height: 120px; opacity: .55; }
.msd-footer__lines {
  position: absolute; right: 0; top: 0; width: 300px; height: 120px;
  color: var(--msd-muted-gold); opacity: .35;
}

.msd-footer__main {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, .75fr) minmax(0, 1.4fr);
  gap: 40px calc(44 * var(--msd-s));
  padding: calc(60 * var(--msd-s)) calc(55 * var(--msd-s)) calc(48 * var(--msd-s));
}

/* A. Identité */
.msd-brand--footer .msd-brand__logo { width: calc(70 * var(--msd-s)); }
.msd-brand--footer .msd-brand__name { font-size: calc(31 * var(--msd-s)); }
.msd-brand--footer .msd-brand__name, .msd-brand--footer .msd-brand__sub { white-space: nowrap; }
.msd-footer .msd-footer__tagline {
  max-width: 30ch; margin-top: 24px;
  font-family: var(--msd-font-serif); font-style: italic;
  font-size: 17px; line-height: 1.4; color: var(--msd-warm-ivory);
}
.msd-footer__tagline::after {
  content: ""; display: block; width: 24px; height: 2px;
  margin-top: 12px; background: var(--msd-muted-gold);
}
.msd-footer .msd-footer__place { margin-top: 14px; font-size: 13px; letter-spacing: .02em; color: var(--msd-stone); }
.msd-footer__place span { margin: 0 5px; color: var(--msd-muted-gold); }
.msd-footer__identity .msd-country { margin-top: 18px; gap: 12px; }

/* Titres de colonnes */
.msd-footer .msd-footer__title {
  margin: 0 0 20px; padding: 0;
  font-family: var(--msd-font-mono); font-weight: 500;
  font-size: 12px; line-height: 1.4; letter-spacing: .16em; text-transform: uppercase;
  color: var(--msd-stone);
}
.msd-footer .msd-footer__title::after {
  content: ""; display: block; width: 24px; height: 1px; margin-top: 10px; background: var(--msd-muted-gold);
}

/* B. Navigation */
.msd-footer__nav { display: grid; gap: 8px; }
.msd-footer__nav a { display: inline-block; padding: 2px 0; color: var(--msd-warm-ivory); }
.msd-footer__nav a:hover { color: var(--msd-muted-gold); }
.msd-footer__nav a[aria-current="page"] { color: var(--msd-muted-gold); }

/* C. Coordonnées */
.msd-footer__contact { display: grid; gap: 18px; margin: 0; }
.msd-footer__contact dt {
  margin: 0 0 4px;
  font-family: var(--msd-font-mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--msd-stone);
}
.msd-footer__contact dd { margin: 0; }
.msd-footer__contact a {
  display: inline-block; padding: 2px 0;
  color: var(--msd-warm-ivory); overflow-wrap: anywhere;
}
.msd-footer__contact a:hover { color: var(--msd-muted-gold); text-decoration: underline; text-underline-offset: 4px; }
.msd-footer__contact address { font-style: normal; color: rgba(243, 240, 232, .88); }

/* Bande inférieure */
.msd-footer__legal {
  position: relative;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 32px;
  padding: 20px calc(55 * var(--msd-s));
  border-top: 1px solid rgba(184, 180, 169, .2);
  font-size: 13px; color: var(--msd-stone);
}
.msd-footer__credit a {
  color: var(--msd-warm-ivory);
  text-decoration: underline; text-decoration-thickness: 1px;
  text-decoration-color: rgba(168, 138, 74, .55); text-underline-offset: 4px;
}
.msd-footer__credit a:hover { text-decoration-color: var(--msd-muted-gold); }

@media (max-width: 1279px) {
  .msd-footer__main { grid-template-columns: minmax(0, .8fr) minmax(0, 1.3fr); }
  .msd-footer__identity { grid-column: 1 / -1; }
}

/* ==========================================================================
   Tablette (≤ 1023 px)
   ========================================================================== */
@media (max-width: 1023px) {
  :root { --msd-s: 1px; }

  .msd-header { height: 72px; }
  .msd-header__inner { padding: 0 24px; }
  .msd-brand__logo { width: 58px; }
  .msd-brand__name { font-size: 26px; }
  .msd-brand__sub { font-size: 10px; }

  .msd-header .msd-nav-toggle {
    display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 44px; height: 44px; padding: 0 10px;
    background: none; border: 1px solid rgba(223, 182, 96, .6); border-radius: 2px; cursor: pointer;
  }
  .msd-header .msd-nav-toggle:hover, .msd-header .msd-nav-toggle:focus { background: none; }
  .msd-nav-toggle__bar { display: block; height: 1.5px; background: var(--msd-muted-gold); transition: transform .25s, opacity .25s; }
  .msd-nav-toggle[aria-expanded="true"] .msd-nav-toggle__bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .msd-nav-toggle[aria-expanded="true"] .msd-nav-toggle__bar:nth-child(2) { opacity: 0; }
  .msd-nav-toggle[aria-expanded="true"] .msd-nav-toggle__bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .msd-main-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    padding: 8px 24px 20px;
    background: rgba(11, 15, 13, .98);
    border-bottom: 1px solid var(--msd-rule-light);
    display: none;
  }
  .msd-main-nav.is-open { display: flex; }
  .msd-main-nav__list { flex-direction: column; gap: 0; }
  .msd-main-nav__list a { display: block; padding: 13px 0; font-size: 17px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
  .msd-main-nav .msd-country { margin: 16px 0 0; padding-left: 0; border-left: 0; }

  .msd-footer__main { padding: 48px 32px 40px; }
  .msd-footer__legal { padding: 20px 32px; }
  .msd-footer__credit a { display: inline-block; padding: 8px 0; }
}

@media (max-width: 782px) {
  .admin-bar .msd-header { top: 46px; }
}

/* ==========================================================================
   Mobile (≤ 640 px)
   ========================================================================== */
@media (max-width: 640px) {
  .msd-header__inner { padding: 0 16px; }
  .msd-brand { gap: 10px; }
  .msd-brand__logo { width: 50px; }
  .msd-brand__name { font-size: 22px; }
  .msd-brand__sub { font-size: 8.5px; }
  .msd-main-nav { padding: 4px 16px 18px; }

  .msd-footer__main { grid-template-columns: 1fr; gap: 36px; padding: 40px 16px 32px; }
  .msd-footer__nav { grid-template-columns: 1fr 1fr; gap: 0 16px; }
  .msd-footer__nav a, .msd-footer__contact a { padding: 10px 0; }
  .msd-footer__contact { gap: 14px; }
  .msd-footer__legal { flex-direction: column; align-items: flex-start; padding: 20px 16px 28px; }
  .msd-footer__credit a { display: inline-block; padding: 12px 0; }
}

@media (prefers-reduced-motion: reduce) {
  .msd-nav-toggle__bar, .msd-main-nav__list a { transition: none; }
}