/* ============================================================
   FILE: assets/css/header.css
   Topbar, sticky nav, mega menü, dil seçici, hamburger, overlay
   ============================================================ */

/* ── TOPBAR ────────────────────────────────────────────────── */
.hdr-topbar {
  background: var(--clr-dark-2);
  border-bottom: 1px solid #1a1a1a;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1001;
}
.hdr-topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}
.topbar-left,
.topbar-right { display: flex; align-items: center; gap: 4px; }

.topbar-left a,
.topbar-right a {
  color: var(--clr-gray-1);
  font-size: 12px;
  text-decoration: none;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  transition: color var(--trans), background var(--trans);
  display: flex;
  align-items: center;
  gap: 6px;
}
.topbar-left a:hover,
.topbar-right a:hover {
  color: var(--clr-white);
  background: rgba(255,255,255,.04);
}
.topbar-left a i,
.topbar-right a i { color: var(--clr-red); font-size: 12px; }

/* ── MAIN NAV ──────────────────────────────────────────────── */
.hdr-main {
  height: var(--hdr-h);
  background: rgba(10, 10, 10, .96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background var(--trans), box-shadow var(--trans);
}
.hdr-main.scrolled {
  background: rgba(14, 14, 14, .99);
  box-shadow: 0 4px 40px rgba(0,0,0,.6);
  border-bottom-color: rgba(204,0,0,.1);
}
.hdr-main .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* ── LOGO ──────────────────────────────────────────────────── */
.logo { flex-shrink: 0; }
.logo img {
  height: 42px;
  width: auto;
  display: block;
  transition: opacity var(--trans);
}
.logo:hover img { opacity: .85; }

/* ── NAV MENU ──────────────────────────────────────────────── */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  flex: 1;
  justify-content: center;
}
.nav-menu > li { position: relative; }

.nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--clr-gray-2);
  font-family: var(--ff-main);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .6px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color var(--trans), background var(--trans);
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active {
  color: var(--clr-white);
  background: rgba(255,255,255,.04);
}
.nav-menu > li > a.nav-cta {
  background: var(--clr-red);
  color: var(--clr-white);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
}
.nav-menu > li > a.nav-cta:hover {
  background: var(--clr-primary-dk);
}
.nav-menu .arrow {
  font-size: 9px;
  transition: transform var(--trans);
  color: var(--clr-gray-1);
}
.nav-menu li:hover .arrow { transform: rotate(180deg); }

/* ── DROPDOWN ──────────────────────────────────────────────── */
.has-dropdown .dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--trans), transform var(--trans), visibility var(--trans);
  z-index: 999;
  list-style: none;
  background: var(--clr-dark-2);
  border: 1px solid #222;
  border-radius: var(--radius-lg);
  min-width: 210px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown li a {
  display: block;
  padding: 12px 20px;
  color: var(--clr-gray-2);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid #1e1e1e;
  transition: background var(--trans), color var(--trans);
}
.dropdown li:last-child a { border-bottom: none; }
.dropdown li a:hover {
  background: var(--clr-dark-3);
  color: var(--clr-red);
  padding-left: 26px;
}

/* ── MEGA MENU ─────────────────────────────────────────────── */
.has-mega .mega-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  width: 720px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--trans), transform var(--trans), visibility var(--trans);
  z-index: 999;
  background: var(--clr-dark-2);
  border: 1px solid #222;
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}
.has-mega:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.mega-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.mega-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-md);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--trans), border-color var(--trans);
}
.mega-item:hover {
  background: var(--clr-dark-3);
  border-color: #2a2a2a;
}
.mega-item-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(204,0,0,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--trans);
}
.mega-item:hover .mega-item-icon { background: rgba(204,0,0,.2); }
.mega-item-icon i { color: var(--clr-red); font-size: 15px; }
.mega-item-name {
  font-family: var(--ff-main);
  font-size: 12px;
  font-weight: 700;
  color: var(--clr-white);
  text-transform: uppercase;
  letter-spacing: .4px;
  display: block;
  line-height: 1.3;
}
.mega-item-sub {
  font-size: 11px;
  color: var(--clr-gray-1);
  display: block;
  margin-top: 2px;
}
.mega-view-all {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  padding: 10px;
  border: 1px solid #2a2a2a;
  border-radius: var(--radius-md);
  color: var(--clr-red);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  font-family: var(--ff-main);
  letter-spacing: .5px;
  text-transform: uppercase;
  transition: background var(--trans), border-color var(--trans);
}
.mega-view-all:hover {
  background: rgba(204,0,0,.08);
  border-color: rgba(204,0,0,.3);
}
.mega-view-all i { font-size: 11px; }

/* ── LANG SWITCHER ─────────────────────────────────────────── */
.lang-sw { display: flex; gap: 4px; flex-shrink: 0; }
.lang-sw a {
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid #2a2a2a;
  color: var(--clr-gray-1);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--ff-main);
  text-decoration: none;
  letter-spacing: .5px;
  transition: border-color var(--trans), color var(--trans), background var(--trans);
}
.lang-sw a:hover { border-color: #444; color: var(--clr-gray-2); }
.lang-sw a.active {
  border-color: var(--clr-red);
  color: var(--clr-red);
  background: rgba(204,0,0,.08);
}

/* ── HAMBURGER ─────────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: transform var(--trans), opacity var(--trans);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── MOBILE OVERLAY ────────────────────────────────────────── */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--clr-dark-2);
  transform: translateX(100%);
  transition: transform .4s cubic-bezier(.4, 0, .2, 1);
  display: flex;
  flex-direction: column;
  padding: 90px 32px 40px;
  overflow-y: auto;
}
.mobile-overlay.open { transform: translateX(0); }

.close-overlay {
  position: absolute;
  top: 22px;
  right: 24px;
  background: none;
  border: none;
  color: var(--clr-gray-1);
  font-size: 22px;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: color var(--trans), background var(--trans);
}
.close-overlay:hover { color: var(--clr-white); background: rgba(255,255,255,.06); }

.mobile-menu { list-style: none; margin-bottom: auto; }
.mobile-menu li a {
  display: block;
  padding: 15px 0;
  color: var(--clr-gray-2);
  font-family: var(--ff-main);
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid #1e1e1e;
  transition: color var(--trans), padding-left var(--trans);
}
.mobile-menu li a:hover { color: var(--clr-red); padding-left: 6px; }
.mobile-menu .sub-items a {
  font-size: 13px;
  font-weight: 400;
  padding: 10px 0 10px 16px;
  color: var(--clr-gray-1);
  border-left: 2px solid var(--clr-dark-3);
  margin-left: 8px;
}
.mobile-menu .sub-items a:hover { border-left-color: var(--clr-red); }

.mobile-lang {
  display: flex;
  gap: 10px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #1e1e1e;
}
.mobile-lang a {
  padding: 10px 20px;
  border: 1px solid #2a2a2a;
  border-radius: var(--radius-md);
  color: var(--clr-gray-1);
  font-weight: 700;
  font-family: var(--ff-main);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--trans), color var(--trans);
}
.mobile-lang a.active {
  border-color: var(--clr-red);
  color: var(--clr-red);
  background: rgba(204,0,0,.06);
}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .nav-menu > li > a { padding: 8px 10px; font-size: 11px; }
  .lang-sw a { padding: 5px 8px; }
}
@media (max-width: 1023px) {
  .nav-menu { display: none; }
  .lang-sw  { display: none; }
  .hamburger { display: flex; }
  .hdr-topbar { display: none; }
  .page-hero { margin-top: var(--hdr-h); }
}
@media (max-width: 480px) {
  .mobile-overlay { padding: 80px 20px 32px; }
  .mobile-menu li a { font-size: 15px; }
}