/* ==========================================================================
   STUDIO RANEEM — HEADER, MEGA-MENU, TIROIR MOBILE
   ========================================================================== */

/* --- Lien d'évitement (obligatoire, premier élément focusable de la page) --- */
.sr-skip {
  position: fixed; top: 12px; left: 12px; z-index: var(--sr-z-skip);
  transform: translateY(-300%);
  background: var(--sr-teal); color: #fff;
  font-family: var(--sr-font-mono); font-size: 12px; letter-spacing: .1em;
  padding: 12px 18px; text-decoration: none;
  transition: transform var(--sr-d-fast);
}
.sr-skip:focus { transform: translateY(0); }

/* --------------------------------------------------------------------------
   HEADER
   -------------------------------------------------------------------------- */

.sr-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: var(--sr-z-header);
  border-bottom: 1px solid transparent;
  transition: background var(--sr-d-base), border-color var(--sr-d-base),
              transform .45s var(--sr-ease-expo);
}
.sr-header__bar {
  max-width: var(--sr-maxw); margin: 0 auto;
  padding: 18px var(--sr-gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}

/* État condensé (> 40 px de scroll) — identique au prototype */
.sr-header.is-stuck {
  background: rgba(14,14,16,.78);
  -webkit-backdrop-filter: blur(14px);
          backdrop-filter: blur(14px);
  border-bottom-color: rgba(255,255,255,.07);
}
/* Masquage au défilement descendant. Le header revient dès qu'on remonte —
   c'est le comportement attendu sur un site long. */
.sr-header.is-hidden { transform: translateY(-100%); }
.sr-header.has-panel { transform: none !important; }

/* Sur un fond sombre, backdrop-filter est coûteux sur GPU mobile bas de gamme.
   On le remplace par un fond opaque en dessous de 921 px : rendu proche,
   coût nul. */
@media (max-width: 920px) {
  .sr-header.is-stuck {
    background: rgba(14,14,16,.96);
    -webkit-backdrop-filter: none; backdrop-filter: none;
  }
}

/* Le bloc de droite : la liste de navigation ET le bouton devis.
   Sans display:flex ici, le <ul> reste un bloc et pousse le bouton
   à la ligne suivante. */
.sr-header__nav {
  display: flex; align-items: center;
  gap: clamp(18px, 2.6vw, 38px);
}

/* --- Logo --- */
.sr-logo {
  display: inline-flex; align-items: center;
  font-family: var(--sr-font-display); font-weight: 600;
  font-size: 19px; letter-spacing: .14em;
  color: var(--sr-text); text-decoration: none; white-space: nowrap;
}
.sr-logo span { color: var(--sr-teal-glow); }
/* Logo image (blanc sur transparent) à la place du wordmark texte. */
.sr-logo__img { height: clamp(50px, 5.6vw, 72px); width: auto; display: block; }

/* --------------------------------------------------------------------------
   NAVIGATION DESKTOP
   -------------------------------------------------------------------------- */

.sr-nav__list {
  display: flex; align-items: center; gap: clamp(18px, 2.6vw, 38px);
  list-style: none; margin: 0; padding: 0;
}

/* Divi applique ses styles de liste depuis `#et-boc .et-l ul`, un sélecteur
   à identifiant : il l'emporte sur n'importe quelle classe. D'où les puces
   qui apparaissent devant chaque entrée du menu. On les neutralise
   explicitement — c'est l'un des rares cas où !important est le bon outil,
   parce qu'on écrase un framework dont on ne maîtrise pas la feuille. */
.sr-header ul,
.sr-header ol,
.sr-drawer ul,
.sr-mega ul {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}
.sr-header li::before,
.sr-header li::marker,
.sr-drawer li::marker,
.sr-mega li::marker { content: none !important; }
.sr-nav__item--top { position: static; } /* le panneau se cale sur le header */

.sr-nav__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--sr-font-mono); font-size: var(--sr-nav);
  letter-spacing: var(--sr-ls-nav); text-transform: uppercase;
  color: var(--sr-text-nav); text-decoration: none;
  padding: 10px 0; position: relative;
  transition: color var(--sr-d-fast);
}
.sr-nav__link:hover,
.is-open > .sr-nav__link,
.is-current > .sr-nav__link { color: var(--sr-teal-glow); }

/* Soulignement animé — scaleX, pas de width (aucun reflow) */
.sr-nav__link::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 2px; height: 1px;
  background: var(--sr-teal-glow);
  transform: scaleX(0); transform-origin: right center;
  transition: transform .35s var(--sr-ease-expo);
}
.sr-nav__link:hover::after,
.is-open > .sr-nav__link::after,
.is-current > .sr-nav__link::after { transform: scaleX(1); transform-origin: left center; }

.sr-nav__toggle {
  background: none; border: 0; padding: 6px; cursor: pointer;
  color: var(--sr-text-nav); line-height: 0;
}
.sr-nav__toggle svg { width: 10px; height: 6px; transition: transform var(--sr-d-fast); }
.is-open > .sr-nav__toggle svg { transform: rotate(180deg); }
.is-open > .sr-nav__toggle { color: var(--sr-teal-glow); }

/* CTA du header */
.sr-nav__cta {
  font-family: var(--sr-font-mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; background: var(--sr-teal); color: #fff;
  padding: 11px 18px; border-radius: var(--sr-radius); text-decoration: none;
  border: 1px solid var(--sr-teal-a35);
  transition: background .35s, box-shadow .35s, border-color .35s;
}
.sr-nav__cta:hover {
  background: #17696B; color: #fff;
  border-color: var(--sr-teal-glow);
  box-shadow: 0 6px 30px rgba(41,182,186,.35);
}

/* --------------------------------------------------------------------------
   PANNEAU MEGA-MENU
   Pleine largeur, calé sous le header. Animation en opacity + translateY :
   aucune propriété de layout, donc composition GPU pure.
   -------------------------------------------------------------------------- */

.sr-mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: rgba(14,14,16,.97);
  -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255,255,255,.07);
  border-bottom: 1px solid var(--sr-line);
  box-shadow: 0 40px 80px rgba(0,0,0,.55);
  opacity: 0; transform: translateY(-12px);
  transition: opacity .26s ease, transform .26s var(--sr-ease-expo);
  pointer-events: none;
}
.sr-mega.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.sr-mega[hidden] { display: none; }

.sr-mega__inner {
  max-width: var(--sr-maxw); margin: 0 auto;
  padding: clamp(28px, 3vw, 44px) var(--sr-gutter);
  display: grid; grid-template-columns: 1fr minmax(260px, 320px);
  gap: clamp(28px, 4vw, 56px); align-items: start;
}

.sr-mega__list {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 2px;
}

/* Une carte de prestation. Le décalage au survol reprend exactement la
   mécanique de la liste Prestations de la page d'accueil. */
.sr-mega__link {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 16px; text-decoration: none;
  color: var(--sr-text); border: 1px solid transparent;
  border-radius: var(--sr-radius);
  transition: background var(--sr-d-base), border-color var(--sr-d-base),
              transform .45s var(--sr-ease-expo);
}
.sr-mega__link:hover, .sr-mega__link:focus-visible {
  background: linear-gradient(90deg, var(--sr-teal-a07), transparent 70%);
  border-color: rgba(41,182,186,.28);
  transform: translateX(6px);
}
.sr-mega__thumb {
  flex: none; width: 62px; aspect-ratio: 16/10; overflow: hidden;
  background: var(--sr-surface); border: 1px solid var(--sr-line);
  border-radius: var(--sr-radius);
}
.sr-mega__thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: grayscale(1) contrast(1.05);
  transition: filter var(--sr-d-base), transform .8s var(--sr-ease-expo);
}
.sr-mega__link:hover .sr-mega__thumb img { filter: none; transform: scale(1.06); }

.sr-mega__body  { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.sr-mega__title {
  font-family: var(--sr-font-display); font-weight: 500; font-size: 16.5px;
  line-height: 1.2; color: inherit;
}
.sr-mega__link:hover .sr-mega__title { color: var(--sr-teal-glow); }
.sr-mega__desc {
  font-size: 13px; color: var(--sr-text-2); line-height: 1.4;
  overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.sr-mega__arrow {
  margin-left: auto; flex: none; color: var(--sr-teal-glow);
  opacity: 0; transform: translateX(-6px);
  transition: opacity var(--sr-d-fast), transform var(--sr-d-fast);
}
.sr-mega__link:hover .sr-mega__arrow { opacity: 1; transform: translateX(0); }

/* Bloc promo */
.sr-mega__promo {
  background: var(--sr-surface); border: 1px solid var(--sr-line);
  border-radius: var(--sr-radius); padding: clamp(22px, 2vw, 30px);
  display: flex; flex-direction: column; gap: 10px;
}
.sr-mega__promo-title {
  margin: 6px 0 0; font-family: var(--sr-font-display); font-weight: 600;
  font-size: 22px; line-height: 1.15;
}
.sr-mega__promo-text { margin: 0; font-size: 14px; color: var(--sr-text-2); }
.sr-mega__promo-cta  { margin-top: 8px; justify-content: center; padding: 13px 20px; font-size: 14px; }

/* --------------------------------------------------------------------------
   BURGER — 2 traits qui deviennent une croix (le prototype n'avait aucun
   état fermé : ici on anime, c'est ce qui distingue un menu soigné)
   -------------------------------------------------------------------------- */

.sr-burger {
  width: 46px; height: 46px; background: transparent;
  border: 1px solid var(--sr-line-strong); border-radius: var(--sr-radius);
  display: none; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; cursor: pointer; transition: border-color var(--sr-d-fast);
}
.sr-burger:hover { border-color: var(--sr-teal-glow); }
.sr-burger span {
  display: block; width: 18px; height: 1.5px; background: var(--sr-text);
  transition: transform .4s var(--sr-ease-expo), opacity .2s;
}
.sr-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.75px) rotate(45deg); }
.sr-burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.75px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   TIROIR MOBILE
   -------------------------------------------------------------------------- */

.sr-drawer {
  position: fixed; inset: 0; z-index: var(--sr-z-menu);
  background: rgba(14,14,16,.98);
  display: flex; flex-direction: column;
  padding: 18px clamp(20px,5vw,40px) 36px;
  opacity: 0; transition: opacity .4s ease;
  overflow-y: auto; overscroll-behavior: contain;
  /* GARDE-FOU : le tiroir couvre tout l'écran (position:fixed inset:0). Tant
     qu'il n'est pas RÉELLEMENT ouvert (.is-open, opacité 1), il ne doit jamais
     intercepter les clics — sinon un tiroir invisible (transition non jouée,
     JS retardé…) fige toute la page. Seul .is-open réactive les clics. */
  pointer-events: none;
}
.sr-drawer.is-open { opacity: 1; pointer-events: auto; }
.sr-drawer[hidden] { display: none; }
body.sr-menu-open { overflow: hidden; }

.sr-drawer__top { display: flex; align-items: center; justify-content: space-between; }
.sr-drawer__close {
  width: 46px; height: 46px; background: transparent; color: var(--sr-text);
  border: 1px solid var(--sr-line-strong); border-radius: var(--sr-radius);
  font-size: 18px; line-height: 1; cursor: pointer;
  transition: border-color var(--sr-d-fast);
}
.sr-drawer__close:hover { border-color: var(--sr-teal-glow); }

.sr-drawer__nav {
  flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 4px;
  list-style: none; margin: 0; padding: 0;
}
.sr-drawer__nav > li { opacity: 0; }
.sr-drawer.is-open .sr-drawer__nav > li {
  animation: sr-fadeUp .5s var(--sr-ease-expo) both;
}
/* Cascade — reprend les délais exacts du prototype (.05 → .33 s) */
.sr-drawer.is-open .sr-drawer__nav > li:nth-child(1) { animation-delay: .05s }
.sr-drawer.is-open .sr-drawer__nav > li:nth-child(2) { animation-delay: .12s }
.sr-drawer.is-open .sr-drawer__nav > li:nth-child(3) { animation-delay: .19s }
.sr-drawer.is-open .sr-drawer__nav > li:nth-child(4) { animation-delay: .26s }
.sr-drawer.is-open .sr-drawer__nav > li:nth-child(5) { animation-delay: .33s }
.sr-drawer.is-open .sr-drawer__nav > li:nth-child(6) { animation-delay: .40s }

.sr-drawer__link {
  display: flex; align-items: baseline; gap: 16px; padding: 12px 0;
  text-decoration: none; color: var(--sr-text);
}
.sr-drawer__num {
  font-family: var(--sr-font-mono); font-size: 11px; color: var(--sr-teal-glow);
}
.sr-drawer__label {
  font-family: var(--sr-font-display); font-weight: 600;
  font-size: clamp(32px, 8.5vw, 48px); line-height: 1;
}

/* Sous-niveau replié */
.sr-drawer__sub {
  list-style: none; margin: 0; padding: 0 0 8px 30px;
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .45s var(--sr-ease-expo);
}
.sr-drawer__nav li.is-open .sr-drawer__sub { grid-template-rows: 1fr; }
.sr-drawer__sub > div { overflow: hidden; }
.sr-drawer__sub a {
  display: block; padding: 9px 0; color: var(--sr-text-nav);
  font-size: 16px; text-decoration: none;
}
.sr-drawer__sub a:hover { color: var(--sr-teal-glow); }

.sr-drawer__subtoggle {
  background: none; border: 0; color: var(--sr-teal-glow);
  font-family: var(--sr-font-mono); font-size: 20px; line-height: 1;
  padding: 8px 10px; cursor: pointer; margin-left: auto;
  transition: transform var(--sr-d-base);
}
.sr-drawer__subtoggle[aria-expanded="true"] { transform: rotate(45deg); }

.sr-drawer__foot { display: flex; flex-direction: column; gap: 16px; }
.sr-drawer__foot .sr-btn { justify-content: center; }
.sr-drawer__sign {
  font-family: var(--sr-font-mono); font-size: 10.5px; letter-spacing: .2em;
  color: var(--sr-text-3-aa); text-align: center;
}

/* --------------------------------------------------------------------------
   BASCULE DESKTOP / MOBILE — en CSS pur.
   Le prototype pilotait ça en JS (matchMedia dans le state React), ce qui
   provoque un flash au premier rendu. En CSS il n'y a rien à attendre.
   -------------------------------------------------------------------------- */

@media (max-width: 920px) {
  .sr-header__nav { display: none; }
  .sr-burger      { display: flex; }
}
@media (min-width: 921px) {
  .sr-burger, .sr-drawer { display: none !important; }
}

/* --------------------------------------------------------------------------
   CTA COLLANT MOBILE
   -------------------------------------------------------------------------- */

.sr-sticky-cta {
  position: fixed; left: 12px; right: 12px;
  bottom: max(12px, env(safe-area-inset-bottom));
  z-index: var(--sr-z-sticky-cta);
  transform: translateY(140%);
  transition: transform .5s var(--sr-ease-expo);
}
.sr-sticky-cta.is-on { transform: translateY(0); }
.sr-sticky-cta a {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--sr-teal); color: #fff; font-weight: 500; font-size: 15px;
  padding: 16px; border-radius: var(--sr-radius); text-decoration: none;
  box-shadow: 0 12px 40px rgba(0,0,0,.55), 0 0 24px rgba(41,182,186,.25);
}
@media (min-width: 921px) { .sr-sticky-cta { display: none; } }