/* HEADER */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h-mobile);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  z-index: var(--z-header);
  transition: background var(--t-mid), border-color var(--t-mid), box-shadow var(--t-mid);
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  border-bottom-color: var(--border);
  box-shadow: 0 1px 10px rgba(43, 46, 48, 0.06);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.brand-mark {
  width: 38px;
  height: 38px;
  color: var(--accent);
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--accent) 14%, var(--bg));
  border-radius: 50%;
  padding: 7px;
  flex-shrink: 0;
}
.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: 1.16rem;
  letter-spacing: -.005em;
}
.brand-tag {
  font-family: var(--ff-ui);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-top: 3px;
}

/* NAV DESKTOP */
.nav-desktop { display: none; }
.nav-desktop a {
  font-family: var(--ff-ui);
  font-size: .94rem;
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--r-md);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-desktop a:hover { color: var(--accent-deep); }

/* CTA HEADER */
.header-cta { display: none !important; }
@media (min-width: 1024px) {
  .header .header-cta, .site-header .header-cta { display: inline-flex !important; }
}

/* BURGER */
.burger {
  position: fixed;
  top: calc((var(--header-h-mobile) - 44px) / 2);
  right: 16px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  z-index: var(--z-burger);
  transition: background var(--t-fast), border-color var(--t-fast);
}
.burger:hover { border-color: var(--accent); }
.burger span {
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t-mid), background var(--t-mid);
}
.burger span::before, .burger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t-mid), top var(--t-mid);
}
.burger span::before { top: -7px; }
.burger span::after  { top:  7px; }
.burger.is-open span { background: transparent; }
.burger.is-open span::before { top: 0; transform: rotate(45deg); }
.burger.is-open span::after  { top: 0; transform: rotate(-45deg); }

/* MENU MOBILE - enfant direct du body */
.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 40px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  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-size: 1.5rem;
  color: var(--text);
  padding: 14px 8px;
  border-bottom: 1px solid var(--border);
  min-height: 48px;
  display: flex;
  align-items: center;
}
.menu-mobile a:last-of-type { border-bottom: 0; }
.menu-mobile .menu-cta {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.menu-mobile .menu-cta a {
  font-family: var(--ff-ui);
  font-size: 1rem;
  padding: 0;
  border: 0;
  min-height: auto;
  display: flex;
}
.menu-mobile .menu-cta .btn { width: 100%; }
.menu-mobile .menu-meta {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--ff-ui);
  font-size: .92rem;
  color: var(--text-mute);
}

@media (min-width: 768px) {
  .site-header { height: var(--header-h); }
  .burger { display: none; }
  .menu-mobile { display: none; }
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 8px;
  }
}
@media (min-width: 1024px) {
  .header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
}

/* FOOTER */
.site-footer {
  background: var(--ink-deep);
  color: var(--text-on-dark);
  padding: 56px 0 26px;
  margin-top: 0;
}
.site-footer :where(h1, h2, h3, h4, h5, p, li, span, a, small, strong) {
  color: var(--text-on-dark);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.footer-brand .brand-name { color: var(--text-on-dark); font-size: 1.4rem; }
.footer-brand .brand-tag { color: var(--text-on-dark-2); }
.footer-brand .brand-mark { background: color-mix(in srgb, var(--accent) 22%, transparent); color: var(--accent-on-dark); }
.footer-desc {
  margin-top: 14px;
  font-size: .96rem;
  color: var(--text-on-dark-2);
  max-width: 38ch;
}
.footer-col h4 {
  font-family: var(--ff-display);
  font-size: 1.02rem;
  color: var(--accent-on-dark);
  margin-bottom: 14px;
  font-weight: 600;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a {
  color: var(--text-on-dark-2);
  font-size: .96rem;
  transition: color var(--t-fast);
}
.footer-col a:hover { color: var(--accent-on-dark); }
.footer-bottom {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid rgba(236, 231, 220, 0.12);
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: .86rem;
  color: var(--text-on-dark-2);
}
.footer-bottom a { color: var(--text-on-dark-2); }
.footer-bottom a:hover { color: var(--accent-on-dark); }

@media (min-width: 700px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
  }
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}