/* layout.css — header sticky + nav + footer + menu mobile */

/* HEADER STICKY */
.site-header{
  position:fixed;top:0;left:0;right:0;
  height:var(--header-h-mobile);
  background:color-mix(in srgb,var(--bg) 92%,transparent);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  z-index:var(--z-header);
  transition:border-color var(--t-med),box-shadow var(--t-med);
}
.site-header.is-scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 6px 18px -12px rgba(46,40,32,.18);
}
.site-header__inner{
  height:100%;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
  max-width:var(--container);margin:0 auto;padding:0 20px;
}
@media(min-width:768px){
  .site-header{height:var(--header-h);}
  .site-header__inner{padding:0 32px;}
}

/* BRAND (logo) */
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;color:var(--accent);
  flex-shrink:0;display:grid;place-items:center;
  background:color-mix(in srgb,var(--accent) 12%,var(--bg));
  border-radius:50%;padding:7px;
}
.brand-mark svg{width:100%;height:100%;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1;}
.brand-name{font-family:var(--ff-display);font-weight:600;font-size:1.12rem;}
.brand-name em{font-style:italic;color:var(--accent);font-weight:500;}
.brand-tag{
  font-family:var(--ff-ui);text-transform:uppercase;letter-spacing:.14em;
  font-size:.62rem;color:var(--text-mute);margin-top:2px;
}

/* NAV DESKTOP */
.nav-desktop{display:none;}
@media(min-width:920px){
  .nav-desktop{display:flex;align-items:center;gap:28px;}
  .nav-desktop a{
    color:var(--text);font-family:var(--ff-ui);font-size:.94rem;font-weight:500;
    position:relative;padding:6px 0;text-decoration:none;
  }
  .nav-desktop a:hover{color:var(--accent);}
  .nav-desktop a::after{
    content:"";position:absolute;left:0;bottom:0;
    width:100%;height:1.5px;background:var(--accent);
    transform:scaleX(0);transform-origin:right;
    transition:transform var(--t-med);
  }
  .nav-desktop a:hover::after{transform:scaleX(1);transform-origin:left;}
}

/* HEADER CTA (caché sous 720px — PIEGE PROD #13) */
.header-cta{display:none;}
@media(min-width:920px){
  .header-cta{
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 16px;border-radius:999px;
    background:var(--accent);color:#fff !important;
    font-family:var(--ff-ui);font-size:.88rem;font-weight:600;text-decoration:none;
    transition:background var(--t-fast);
  }
  .header-cta:hover{background:color-mix(in srgb,var(--accent) 80%,#000);text-decoration:none;}
}

/* BURGER — fixed top-right, enfant direct du body (PIEGE PROD #8) */
.burger{
  position:fixed;
  top:calc((var(--header-h-mobile) - 44px) / 2);
  right:14px;
  width:44px;height:44px;
  display:grid;place-items:center;
  background:transparent;border:0;cursor:pointer;
  z-index:1101;
}
.burger span,
.burger span::before,
.burger span::after{
  content:"";display:block;width:22px;height:2px;background:var(--text);
  border-radius:2px;transition:transform var(--t-med),opacity var(--t-fast),top var(--t-med);
  position:relative;
}
.burger span::before{position:absolute;top:-7px;left:0;}
.burger span::after {position:absolute;top: 7px;left:0;}
.burger.is-open span{background:transparent;}
.burger.is-open span::before{top:0;transform:rotate(45deg);background:var(--text);}
.burger.is-open span::after {top:0;transform:rotate(-45deg);background:var(--text);}
@media(min-width:920px){.burger{display:none;}}

/* MENU MOBILE — enfant direct body, 100dvh, opaque, z-index < burger */
.menu-mobile{
  position:fixed;top:0;left:0;
  width:100%;height:100dvh;
  background:var(--bg);
  z-index:var(--z-menu);
  padding:calc(var(--header-h-mobile) + 28px) 24px 32px;
  display:flex;flex-direction:column;gap:14px;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  overscroll-behavior:contain; /* scroll interne uniquement */
  transform:translateY(-100%);
  opacity:0;
  visibility:hidden;
  transition:transform .35s ease,opacity .35s ease,visibility 0s linear .35s;
}
.menu-mobile.is-open{
  transform:translateY(0);opacity:1;visibility:visible;
  transition:transform .35s ease,opacity .35s ease;
}
.menu-mobile a{
  color:var(--text);font-family:var(--ff-display);font-size:1.7rem;
  font-weight:500;text-decoration:none;padding:8px 0;
  border-bottom:1px solid var(--border);
}
.menu-mobile a:last-child{border-bottom:none;}
.menu-mobile a.menu-cta{
  margin-top:12px;
  font-family:var(--ff-ui);font-size:1rem;font-weight:600;
  background:var(--wa-green);color:#fff;
  border-radius:999px;padding:14px 22px;text-align:center;
  border-bottom:none;
}
.menu-mobile a.menu-cta-tel{
  font-family:var(--ff-ui);font-size:1rem;font-weight:600;
  background:var(--accent);color:#fff;
  border-radius:999px;padding:14px 22px;text-align:center;
  border-bottom:none;
}
@media(min-width:920px){.menu-mobile{display:none;}}

/* FOOTER */
.site-footer{
  background:var(--surface-deep);color:var(--text-on-dark);
  padding:48px 0 24px;
  margin-top:0; /* PIEGE PROD #12 */
}
.site-footer a{color:var(--text-on-dark);}
.site-footer__top{
  display:grid;grid-template-columns:1fr;gap:28px;
  padding-bottom:32px;border-bottom:1px solid rgba(242,234,215,.16);
}
@media(min-width:768px){
  .site-footer__top{grid-template-columns:1.2fr 1fr 1fr;}
}
.site-footer h4{
  color:var(--text-on-dark);font-family:var(--ff-display);
  font-size:1.1rem;margin-bottom:14px;
}
.site-footer p,.site-footer li{color:var(--text-on-dark-2);}
.site-footer ul{list-style:none;padding:0;}
.site-footer li{margin-bottom:6px;}
.site-footer__brand .brand-name{color:var(--text-on-dark);}
.site-footer__brand .brand-mark{
  background:rgba(242,234,215,.10);color:var(--text-on-dark);
}
.site-footer__brand p{margin-top:12px;max-width:34ch;}
.site-footer__bottom{
  display:flex;flex-wrap:wrap;gap:12px 22px;justify-content:space-between;
  padding-top:20px;
  font-size:.84rem;color:var(--text-on-dark-2);
}
.site-footer__bottom a{text-decoration:underline;text-decoration-color:rgba(242,234,215,.36);}

/* FAB Appel mobile */
.fab-call{
  position:fixed;
  bottom:18px;right:16px;
  width:58px;height:58px;border-radius:50%;
  background:var(--accent);color:#fff;
  display:grid;place-items:center;text-decoration:none;
  box-shadow:0 8px 24px -6px rgba(46,40,32,.32);
  z-index:900;
}
.fab-call svg{width:24px;height:24px;}
@media(min-width:920px){.fab-call{display:none;}}