/* HEADER STICKY */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(232, 240, 236, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled {
  background: rgba(232, 240, 236, 0.97);
  border-bottom-color: var(--border);
  box-shadow: 0 6px 22px -16px rgba(31, 53, 49, 0.25);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h-mobile);
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 768px) {
  .site-header__inner { height: var(--header-h); padding: 0 40px; }
}

/* Logo */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.brand__mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  color: var(--accent);
}
.brand__name {
  font-family: var(--ff-display);
  font-size: 1.06rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  line-height: 1.05;
  white-space: nowrap;
}
.brand__name small {
  display: block;
  font-family: var(--ff-ui);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 2px;
  font-weight: 600;
}
@media (max-width: 380px) {
  .brand__name { font-size: 0.96rem; }
}

/* Nav desktop */
.nav {
  display: none;
  align-items: center;
  gap: 28px;
}
.nav a {
  font-family: var(--ff-ui);
  font-size: 0.96rem;
  color: var(--text-2);
  position: relative;
  transition: color .2s ease;
}
.nav a:hover, .nav a:focus-visible { color: var(--accent); }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav a:hover::after, .nav a:focus-visible::after { transform: scaleX(1); }
@media (min-width: 900px) {
  .nav { display: inline-flex; }
}

/* Header actions desktop */
.header-cta {
  display: none;
  align-items: center;
  gap: 10px;
}
@media (min-width: 900px) { .header-cta { display: inline-flex; } }

/* BURGER (enfant direct du body, fixed top-right) */
.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: calc(var(--z-header) + 50);
}
.burger > span {
  position: relative;
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: background-color .2s ease, transform .25s ease;
}
.burger > span::before,
.burger > span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s ease, top .25s ease;
}
.burger > span::before { top: -7px; }
.burger > span::after { top: 7px; }
.burger.is-open > span { background-color: transparent; }
.burger.is-open > span::before { top: 0; transform: rotate(45deg); }
.burger.is-open > span::after { top: 0; transform: rotate(-45deg); }

@media (min-width: 900px) {
  .burger { display: none; }
}

/* MENU MOBILE (enfant direct body, fixed full screen) */
.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) + 24px) 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform .35s ease, opacity .3s ease, visibility 0s linear .35s;
}
.menu-mobile.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  transition: transform .35s ease, opacity .3s ease;
}
.menu-mobile a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--ff-display);
  font-size: 1.45rem;
  color: var(--text);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  min-height: 52px;
}
.menu-mobile a:last-of-type { border-bottom: 0; }
.menu-mobile a.btn {
  justify-content: center;
  gap: 10px;
  padding: 0.95rem 1.6rem;
  min-height: 52px;
  border-bottom: 0;
  margin-top: 18px;
  font-size: 1.05rem;
}
.menu-mobile a.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.menu-mobile__footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-2);
}
.menu-mobile__footer a {
  display: inline-flex;
  font-family: var(--ff-ui);
  font-size: 0.95rem;
  padding: 0;
  border: 0;
  min-height: auto;
  color: var(--accent);
}

@media (min-width: 900px) {
  .menu-mobile { display: none; }
}

/* FOOTER */
.site-footer {
  background: var(--accent-dark);
  color: var(--text-light);
  padding: 56px 0 28px;
  margin-top: 0;
  position: relative;
  z-index: 2;
}
.site-footer a { color: var(--text-light); }
.site-footer .container { color: var(--text-light); }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; }
}
.footer-col h4 {
  font-family: var(--ff-display);
  color: var(--text-light);
  font-size: 1.05rem;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.footer-col p,
.footer-col li,
.footer-col address {
  color: rgba(244, 248, 245, 0.82);
  font-size: 0.95rem;
  font-style: normal;
  line-height: 1.65;
  margin-bottom: 6px;
}
.footer-col ul li a { transition: color .2s ease; }
.footer-col ul li a:hover { color: var(--accent-2); }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--text-light);
}
.footer-brand .brand__mark { color: var(--accent-2); }
.footer-brand .brand__name { color: var(--text-light); font-size: 1.1rem; }
.footer-brand .brand__name small { color: var(--accent-2); }
.footer-bottom {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid rgba(244, 248, 245, 0.14);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.83rem;
  color: rgba(244, 248, 245, 0.62);
}
.footer-bottom a { color: rgba(244, 248, 245, 0.82); text-decoration: underline; text-decoration-color: rgba(244, 248, 245, 0.3); }
.footer-bottom a:hover { color: var(--text-light); }

/* FAB mobile */
.fab-call {
  position: fixed;
  right: 14px;
  bottom: 16px;
  z-index: var(--z-fab);
  background: var(--accent);
  color: var(--text-light);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px -10px rgba(31, 53, 49, 0.55), 0 0 0 6px rgba(74, 139, 127, 0.18);
  transition: transform .2s ease, box-shadow .2s ease;
}
.fab-call svg { width: 26px; height: 26px; }
.fab-call:hover, .fab-call:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -12px rgba(31, 53, 49, 0.6), 0 0 0 8px rgba(74, 139, 127, 0.22);
}
@media (min-width: 900px) { .fab-call { display: none; } }