/* Header sticky */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(244, 236, 221, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
}
.site-header.scrolled {
  border-color: var(--border);
  box-shadow: 0 1px 12px rgba(49,42,32,.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-h-mobile);
  padding: 0 20px;
  max-width: var(--container);
  margin: 0 auto;
}
@media (min-width: 768px) {
  .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:hover { text-decoration: none; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--accent);
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--ff-display);
  font-weight: 500;
  font-style: italic;
  font-size: 1.18rem;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}
.brand-sub {
  display: block;
  font-family: var(--ff-ui);
  font-style: normal;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-top: 3px;
  font-weight: 500;
}

/* Nav desktop */
.nav-desktop {
  display: none;
  align-items: center;
  gap: 26px;
}
.nav-desktop a {
  font-family: var(--ff-ui);
  font-size: 0.92rem;
  color: var(--text);
  font-weight: 500;
  position: relative;
}
.nav-desktop a:hover { color: var(--accent); text-decoration: none; }
.nav-desktop a::after {
  content:""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.nav-desktop a:hover::after { transform: scaleX(1); }

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

/* Burger */
.burger {
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  position: relative;
  z-index: calc(var(--z-header) + 1);
}
.burger span,
.burger span::before,
.burger span::after {
  content: "";
  display: block;
  position: absolute;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform .3s ease, top .25s ease, opacity .2s ease;
}
.burger span {
  position: relative;
  background: transparent;
}
.burger span::before { top: -6px; background: var(--text); }
.burger span::after  { top: 6px;  background: var(--text); }
.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 du body — voir HTML) */
.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: 14px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  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 {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--text);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.menu-mobile a:hover { color: var(--accent); text-decoration: none; }
.menu-mobile .btn { margin-top: 16px; font-family: var(--ff-ui); font-style: normal; font-size: 1rem; }

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

/* Footer */
.site-footer {
  background: var(--text);
  color: #d8cfc1;
  padding: 56px 0 28px;
  margin-top: 60px;
}
.site-footer h4 {
  color: #fff;
  font-family: var(--ff-display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}
@media (min-width: 700px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.site-footer a { color: #f4e9d4; }
.site-footer a:hover { color: #fff; }
.footer-bot {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
}
.footer-bot a {
  color: rgba(255,255,255,0.6);
  text-decoration: underline;
  text-underline-offset: 3px;
}