/* ============================================================
   HEADER CSS — Maison Décor
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: 24px 0;
}

.site-header.scrolled {
  background: rgba(250, 248, 245, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 40px rgba(81,43,1,0.08);
  padding: 14px 0;
}

.site-header.header-dark {
  background: transparent;
}

.site-header.header-dark .nav-link { color: var(--clr-lightest); }
.site-header.header-dark .logo { color: var(--clr-lightest); }
.site-header.header-dark .logo-dot { background: var(--clr-light); }
.site-header.header-dark .nav-cta { 
  border-color: var(--clr-lightest); 
  color: var(--clr-lightest);
}
.site-header.header-dark .nav-cta:hover {
  background: var(--clr-lightest);
  color: var(--clr-dark);
}
.site-header.header-dark .hamburger span { background: var(--clr-lightest); }
.site-header.header-dark.scrolled .nav-link { color: var(--clr-dark); }
.site-header.header-dark.scrolled .logo { color: var(--clr-dark); }
.site-header.header-dark.scrolled .logo-dot { background: var(--clr-dark); }
.site-header.header-dark.scrolled .nav-cta { border-color: var(--clr-dark); color: var(--clr-dark); }
.site-header.header-dark.scrolled .hamburger span { background: var(--clr-dark); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

/* ——— Logo ——— */

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--clr-dark);
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.logo-icon {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.logo-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--clr-dark);
  transition: var(--transition);
}

.logo:hover .logo-dot:nth-child(1) { transform: translateX(4px); }
.logo:hover .logo-dot:nth-child(3) { transform: translateX(-4px); }

.logo-text span {
  font-style: italic;
  color: var(--clr-mid);
}

/* ——— Nav ——— */

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-mid-dark);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1.5px;
  background: var(--clr-mid);
  transition: width var(--transition);
  border-radius: 1px;
}

.nav-link:hover::after, .nav-link.active::after { width: 24px; }
.nav-link:hover { color: var(--clr-dark); }
.nav-link.active { color: var(--clr-dark); font-weight: 500; }

.nav-cta {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-dark);
  border: 1.5px solid var(--clr-dark);
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  transition: var(--transition);
  margin-left: 12px;
}

.nav-cta:hover {
  background: var(--clr-dark);
  color: var(--clr-cream);
}

/* ——— Hamburger ——— */

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: transparent;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--clr-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ——— Mobile Nav Overlay ——— */

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--clr-cream);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
}

.mobile-nav.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.mobile-nav .nav-link {
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  padding: 14px 28px;
  font-weight: 400;
}

.mobile-nav .nav-link::after { display: none; }

.mobile-nav .nav-cta {
  margin: 16px 0 0;
  font-size: 0.88rem;
  padding: 14px 36px;
}

.mobile-nav-close {
  position: absolute;
  top: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--clr-dark);
  font-size: 1.5rem;
}

/* ——— Responsive ——— */

@media (max-width: 900px) {
  .site-nav { display: none; }
  .hamburger { display: flex; }
}