/* =========================================================================
   Kara skin v3 — HEADER / NAVIGATION
   Wordmark Fraunces (pas de faux emblème laurier). Nav desktop + menu mobile
   accessible (burger, focus, aria, fermeture clavier). CTA émeraude.
   Hooks « se condense au scroll » prêts (.is-condensed posée en Phase motion).
   ========================================================================= */

.kara-sg .ks-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ks-forest);
  color: var(--ks-on-dark);
  border-bottom: 1px solid rgba(255,255,255,.08);
  /* On n'anime QUE background/box-shadow (transform-friendly). Le padding du
     .ks-header__inner change au scroll sans transition pour éviter le layout thrash. */
  transition: background var(--ks-dur) var(--ks-ease-out), box-shadow var(--ks-dur) var(--ks-ease-out);
}
.kara-sg .ks-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ks-space-5);
  padding-block: var(--ks-space-4);
}
/* Hook condense au scroll (activé Phase motion en ajoutant .is-condensed) */
.kara-sg .ks-header.is-condensed { box-shadow: var(--ks-shadow-2); }
.kara-sg .ks-header.is-condensed .ks-header__inner { padding-block: var(--ks-space-3); }

/* ---- Wordmark ---- */
.kara-sg .ks-wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5ch;
  font-family: var(--ks-font-display);
  color: #fff;
  text-decoration: none;
  line-height: 1;
}
.kara-sg .ks-wordmark b {
  font-weight: var(--ks-fw-semibold);
  font-size: 1.6rem;
  letter-spacing: var(--ks-ls-heading);
}
.kara-sg .ks-wordmark span {
  font-family: var(--ks-font-body);
  font-size: var(--ks-fs-kicker);
  font-weight: var(--ks-fw-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ks-sage);
}

/* ---- Navigation desktop ---- */
.kara-sg .ks-nav { display: none; }
.kara-sg .ks-nav ul { list-style: none; display: flex; align-items: center; gap: var(--ks-space-5); margin: 0; padding: 0; }
.kara-sg .ks-nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--ks-tap-min);
  color: var(--ks-on-dark);
  font-size: var(--ks-fs-sm);
  font-weight: var(--ks-fw-medium);
  text-decoration: none;
  position: relative;
}
.kara-sg .ks-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 8px;
  width: 100%; height: 1.5px;
  background: var(--ks-mint);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ks-dur) var(--ks-ease-out);
}
.kara-sg .ks-nav a:hover::after,
.kara-sg .ks-nav a[aria-current="page"]::after { transform: scaleX(1); }
.kara-sg .ks-nav a:hover { color: #fff; }

.kara-sg .ks-header__actions { display: flex; align-items: center; gap: var(--ks-space-3); }
/* Sous 560px : le CTA header est masqué (il reste dans le menu mobile) pour
   laisser respirer wordmark + burger. */
.kara-sg .ks-header__actions .ks-btn { display: none; }
@media (min-width: 560px) { .kara-sg .ks-header__actions .ks-btn { display: inline-flex; } }

/* ---- Burger (mobile) ---- */
.kara-sg .ks-burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: var(--ks-tap-min);
  height: var(--ks-tap-min);
  padding: 0;
  background: transparent;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--ks-radius-sm);
  cursor: pointer;
}
.kara-sg .ks-burger span { display: block; width: 20px; height: 2px; margin: 0 auto; background: #fff; transition: transform var(--ks-dur) var(--ks-ease-out), opacity var(--ks-dur) var(--ks-ease-out); }
.kara-sg .ks-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.kara-sg .ks-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.kara-sg .ks-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Panneau mobile ---- */
.kara-sg .ks-mobile-nav {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(86vw, 360px);
  background: var(--ks-forest-2);
  color: var(--ks-on-dark);
  padding: var(--ks-space-7) var(--ks-space-5) var(--ks-space-5);
  transform: translateX(100%);
  transition: transform var(--ks-dur-slow) var(--ks-ease-out);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--ks-space-2);
  box-shadow: var(--ks-shadow-3);
  overflow-y: auto;
}
.kara-sg .ks-mobile-nav.is-open { transform: translateX(0); }
.kara-sg .ks-mobile-nav a {
  display: flex;
  align-items: center;
  min-height: var(--ks-tap-min);
  padding: var(--ks-space-3) 0;
  color: #fff;
  font-size: var(--ks-fs-lead);
  font-family: var(--ks-font-display);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.kara-sg .ks-mobile-nav a:hover { color: var(--ks-mint); }
.kara-sg .ks-mobile-nav .ks-btn { margin-top: var(--ks-space-4); }
.kara-sg .ks-mobile-nav__close {
  align-self: flex-end;
  width: var(--ks-tap-min); height: var(--ks-tap-min);
  background: transparent; border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--ks-radius-sm); color: #fff; font-size: 1.5rem; cursor: pointer;
}

/* Voile */
.kara-sg .ks-scrim {
  position: fixed; inset: 0;
  background: rgba(13,46,34,.55);
  opacity: 0; visibility: hidden;
  transition: opacity var(--ks-dur) var(--ks-ease-out), visibility var(--ks-dur);
  z-index: 150;
}
.kara-sg .ks-scrim.is-open { opacity: 1; visibility: visible; }

/* ---- Desktop ---- */
@media (min-width: 1024px) {
  .kara-sg .ks-nav { display: block; }
  .kara-sg .ks-burger { display: none; }
}