/* ── HEADER ─────────────────────────────────────────────────── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-yukseklik);
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--gecis);
}

#header.kayan {
  background: rgba(10,10,10,0.98);
  box-shadow: 0 4px 32px rgba(0,0,0,0.5);
}

.header-ic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-logo img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.12);
}

.header-logo-metin {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.header-logo-metin strong {
  font-family: var(--yazi-birincil);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--acik);
  letter-spacing: -0.01em;
}

.header-logo-metin span {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--birincil);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Navigasyon */
.header-nav { display: flex; align-items: center; gap: 4px; }

.header-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-orta);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gri-300);
  transition: var(--gecis-hizli);
  white-space: nowrap;
}

.header-nav a:hover,
.header-nav a.aktif {
  color: var(--acik);
  background: rgba(255,255,255,0.07);
}

.header-nav a.aktif { color: var(--birincil); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  min-width: 0;          /* taşmayı engeller */
}

.header-ara-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-tam);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--acik);
  transition: var(--gecis-hizli);
  white-space: nowrap;
  flex-shrink: 0;
}
.header-ara-btn:hover { background: rgba(255,255,255,0.14); }
.header-ara-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.header-wp-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-tam);
  background: #25D366;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  transition: var(--gecis-hizli);
  box-shadow: 0 4px 16px rgba(37,211,102,0.3);
  white-space: nowrap;   /* metnin kırılmasını engeller */
  flex-shrink: 0;
}
.header-wp-btn:hover {
  background: #20B858;
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(37,211,102,0.45);
}
.header-wp-btn svg { width: 16px; height: 16px; fill: #fff; flex-shrink: 0; }

/* Hamburger Butonu */
#hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  padding: 8px;
  border-radius: var(--radius-orta);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
  transition: var(--gecis-hizli);
  z-index: 1001;
  flex-shrink: 0;
}
#hamburger-btn:hover { background: rgba(255,255,255,0.12); }
#hamburger-btn span {
  display: block;
  width: 22px; height: 2px;
  background: var(--acik);
  border-radius: 2px;
  transition: var(--gecis);
  transform-origin: center;
}
#hamburger-btn.acik span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
#hamburger-btn.acik span:nth-child(2) { opacity: 0; transform: scaleX(0); }
#hamburger-btn.acik span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── MOBİL MENÜ ──────────────────────────────────────────── */
#mobil-menu {
  position: fixed;
  top: var(--header-yukseklik);
  left: 0; right: 0;
  width: 100%;
  background: var(--koyu-800);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  z-index: 9998;
  display: none;
  opacity: 0;
  transition: opacity 0.25s ease;
  -webkit-overflow-scrolling: touch;
}
#mobil-menu.acik {
  display: block;
  opacity: 1;
  height: calc(100vh - var(--header-yukseklik));
  max-height: calc(100vh - var(--header-yukseklik));
  overflow-y: auto;
}

.mobil-menu-ic { padding: 20px; }

.mobil-menu-ic a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-orta);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gri-300);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--gecis-hizli);
}
.mobil-menu-ic a:last-of-type { border-bottom: none; }
.mobil-menu-ic a:hover,
.mobil-menu-ic a.aktif { color: var(--birincil); background: rgba(230,57,70,0.07); }

.mobil-menu-cta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 0 8px;
}

.mobil-menu-cta a {
  border: none !important;
  justify-content: center;
  border-radius: var(--radius-tam) !important;
}

/* ── Responsive Header ────────────────────────────────────── */

/* 1400px altı: Nav link padding küçült */
@media (max-width: 1400px) {
  .header-nav a { padding: 7px 10px; font-size: 0.83rem; }
}

/* 1300px altı: "Hemen Ara" ve WhatsApp yazısını gizle → sadece ikon */
@media (max-width: 1300px) {
  .header-nav a { padding: 6px 8px; font-size: 0.8rem; }
  .header-ara-btn span { display: none; }
  .header-ara-btn { padding: 9px 12px; }
  .header-wp-btn span  { display: none; }
  .header-wp-btn  { padding: 9px 12px; }
}

/* 1024px altı: Nav gizle, hamburger aç, WhatsApp'ı tam göster */
@media (max-width: 1024px) {
  .header-nav     { display: none !important; }
  #hamburger-btn  { display: flex !important; }
  .header-ara-btn { display: none !important; }
  .header-wp-btn span { display: inline !important; }
  .header-wp-btn  { padding: 9px 18px; }
}

/* 640px altı: WhatsApp sadece ikon */
@media (max-width: 640px) {
  .header-wp-btn span { display: none !important; }
  .header-wp-btn { padding: 9px 12px; }
}

/* 480px altı: Logo metnini gizle */
@media (max-width: 480px) {
  .header-logo-metin { display: none; }
  .header-logo img { width: 44px; height: 44px; }
}

/* ── Çok Küçük Ekranlar (≤380px) ────────────────────────── */
@media (max-width: 380px) {
  .header-wp-btn { padding: 8px 10px; }
  #hamburger-btn { width: 38px; height: 38px; padding: 6px; }
}