/* =============================================
   GNS ORGANİZASYON — header.css
   ============================================= */

/* ---------- Header Wrapper ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.4rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.5s ease, padding 0.4s ease;
}
.site-header.scrolled {
  background: rgba(8, 8, 8, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding-block: 1rem;
  border-bottom: 1px solid rgba(201, 169, 110, 0.15);
}

/* ---------- Logo ---------- */
.header-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  user-select: none;
}
.header-logo .logo-main {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--clr-white);
}
.header-logo .logo-sub {
  font-family: 'Inter', sans-serif;
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--clr-gold);
}

/* ---------- Nav ---------- */
.header-nav { display: flex; align-items: center; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}
.nav-item { position: relative; }
.has-megamenu { padding-bottom: 15px; margin-bottom: -15px; }
.nav-link {
  display: block;
  padding: 0.5rem 0.9rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transition: color 0.3s ease;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.9rem;
  right: 0.9rem;
  height: 1px;
  background: var(--clr-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.nav-link:hover { color: var(--clr-gold); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--clr-gold); }

/* ---------- Mega Menu ---------- */
/* .has-megamenu position handled above */
.megamenu {
  position: absolute;
  top: calc(100% + 5px); /* Slightly closer */
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(8, 8, 8, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(201, 169, 110, 0.2);
  min-width: 280px;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 100;
}
/* Hover Bridge — large invisible area for mouse travel */
.megamenu::before {
  content: '';
  position: absolute;
  top: -25px;
  left: -30px;
  right: -30px;
  height: 30px;
  background: transparent;
}
.has-megamenu:hover .megamenu {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.megamenu-list { display: flex; flex-direction: column; gap: 0.2rem; }
.megamenu-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.55rem 0.5rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.7);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all 0.3s ease;
}
.megamenu-link:last-child { border-bottom: none; }
.megamenu-link:hover { color: var(--clr-gold); padding-left: 1.1rem; }
.megamenu-link .mm-icon {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--clr-gold);
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity 0.3s ease;
}
.megamenu-link:hover .mm-icon { opacity: 1; }

/* ---------- Mobile Toggle ---------- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  cursor: pointer;
  z-index: 1100;
}
.hamburger span {
  display: block;
  height: 1px;
  background: var(--clr-white);
  transition: var(--trans-med);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Mobile Menu Overlay ---------- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--clr-black);
  z-index: 1050;
  padding: 6rem 8% 4rem;
  overflow-y: auto;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.active { transform: translateX(0); }
.mobile-nav-list { display: flex; flex-direction: column; gap: 0; margin-bottom: 2rem; }
.mobile-nav-item { border-bottom: 1px solid rgba(255,255,255,0.07); }
.mobile-nav-link {
  display: block;
  padding: 1.1rem 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.6rem, 5vw, 2.5rem);
  font-weight: 300;
  color: var(--clr-white);
  transition: color 0.3s ease;
}
.mobile-nav-link:hover { color: var(--clr-gold); }
.mobile-submenu { display: none; padding: 0.5rem 1rem 1rem; }
.mobile-submenu.open { display: block; }
.mobile-submenu-link {
  display: block;
  padding: 0.5rem 0;
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.55);
  transition: color 0.3s ease;
}
.mobile-submenu-link:hover { color: var(--clr-gold); }
.mobile-toggle-icon {
  display: inline-block;
  margin-left: 0.5rem;
  font-size: 0.9rem;
  transition: transform 0.3s ease;
}
.mobile-nav-item.open .mobile-toggle-icon { transform: rotate(45deg); }
.mobile-contact {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--clr-gold);
  margin-top: auto;
  padding-top: 2rem;
}

/* ---------- Mobile Breakpoint ---------- */
@media (max-width: 900px) {
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
}