/* =============================================
   OGESSAN — Ana Stil Dosyası
   Renk paleti: Mevcut site baz alınmıştır
   ============================================= */

:root {
  --renk-koyu:    #1a1a2e;   /* header arka plan */
  --renk-koyu2:   #16213e;   /* header alt şerit */
  --renk-turuncu: #e8610a;   /* vurgu, buton, bağlantı */
  --renk-sari:    #f5a623;   /* ikincil vurgu */
  --renk-yesil:   #27ae60;   /* stok var, başarı */
  --renk-beyaz:   #ffffff;
  --renk-gri1:    #f5f5f5;   /* sayfa zemini */
  --renk-gri2:    #eeeeee;   /* kart arka planı */
  --renk-gri3:    #cccccc;   /* kenar çizgisi */
  --renk-gri4:    #888888;   /* ikincil metin */
  --renk-yazi:    #222222;   /* ana metin */
  --font:         'Segoe UI', Arial, sans-serif;
  --golge:        0 2px 8px rgba(0,0,0,0.10);
  --golge-hover:  0 4px 16px rgba(0,0,0,0.16);
  --radius:       6px;
  --gecis:        0.2s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 15px;
  color: var(--renk-yazi);
  background: var(--renk-gri1);
  line-height: 1.6;
}

a { color: var(--renk-turuncu); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

/* ---- HEADER ---- */
.header-ust {
  background: var(--renk-koyu);
  padding: 12px 0;
}
.header-icerik {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo img { height: 52px; }
.logo-yazi {
  color: var(--renk-beyaz);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
}
.header-arama {
  flex: 1;
  display: flex;
  max-width: 480px;
}
.header-arama input {
  flex: 1;
  padding: 10px 14px;
  border: none;
  border-radius: var(--radius) 0 0 var(--radius);
  font-size: 14px;
  outline: none;
}
.header-arama button {
  background: var(--renk-turuncu);
  color: var(--renk-beyaz);
  border: none;
  padding: 0 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  cursor: pointer;
  font-size: 16px;
  transition: background var(--gecis);
}
.header-arama button:hover { background: color-mix(in srgb, var(--renk-turuncu) 85%, black); }
.header-iletisim {
  color: var(--renk-gri3);
  font-size: 13px;
  text-align: right;
  line-height: 1.5;
}
.header-iletisim a { color: var(--renk-sari); }

/* ---- NAVİGASYON ---- */
.nav-bar {
  background: var(--renk-koyu2);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.nav-icerik {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: stretch;
  gap: 0;
}
.nav-link {
  color: var(--renk-beyaz);
  font-size: 14px;
  font-weight: 500;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: background var(--gecis);
  position: relative;
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.aktif { background: var(--renk-turuncu); text-decoration: none; }
.nav-link .ok { font-size: 10px; opacity: 0.7; }

/* Dropdown menü */
.dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--renk-beyaz);
  border: 1px solid var(--renk-gri3);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--golge-hover);
  min-width: 200px;
  z-index: 200;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block;
  padding: 10px 16px;
  color: var(--renk-yazi);
  font-size: 14px;
  border-bottom: 1px solid var(--renk-gri2);
  transition: background var(--gecis);
}
.dropdown-menu a:hover {
  background: var(--renk-gri1);
  color: var(--renk-turuncu);
  text-decoration: none;
}

/* Mobil menü butonu */
.mobil-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--renk-beyaz);
  font-size: 24px;
  cursor: pointer;
  padding: 10px;
  margin-left: auto;
}

/* ---- GENEL SAYFA ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}
.sayfa-icerik {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: start;
}

/* ---- BREADCRUMB ---- */
.breadcrumb {
  background: var(--renk-beyaz);
  padding: 10px 16px;
  border-bottom: 1px solid var(--renk-gri3);
  font-size: 13px;
}
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.breadcrumb a { color: var(--renk-turuncu); }
.breadcrumb .ayrac { color: var(--renk-gri4); }

/* ---- SIDEBAR (Kategori filtre) ---- */
.sidebar { display: flex; flex-direction: column; gap: 16px; }
.sidebar-kutu {
  background: var(--renk-beyaz);
  border: 1px solid var(--renk-gri3);
  border-radius: var(--radius);
  overflow: hidden;
}
.sidebar-baslik {
  background: var(--renk-koyu);
  color: var(--renk-beyaz);
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
}
.sidebar-kutu a {
  display: flex;
  justify-content: space-between;
  padding: 9px 14px;
  color: var(--renk-yazi);
  font-size: 14px;
  border-bottom: 1px solid var(--renk-gri2);
  transition: background var(--gecis);
}
.sidebar-kutu a:hover,
.sidebar-kutu a.aktif {
  background: var(--renk-gri1);
  color: var(--renk-turuncu);
  text-decoration: none;
}
.sidebar-kutu .sayi {
  background: var(--renk-gri2);
  color: var(--renk-gri4);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 20px;
}

/* ---- ÜRÜN LİSTESİ ---- */
.urun-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.urun-kart {
  background: var(--renk-beyaz);
  border: 1px solid var(--renk-gri3);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--golge);
  transition: box-shadow var(--gecis), transform var(--gecis);
  display: flex;
  flex-direction: column;
}
.urun-kart:hover {
  box-shadow: var(--golge-hover);
  transform: translateY(-2px);
}
.urun-kart-gorsel {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--renk-gri2);
}
.urun-kart-gorsel img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 8px;
  transition: transform var(--gecis);
}
.urun-kart:hover .urun-kart-gorsel img { transform: scale(1.05); }
.urun-etiket {
  position: absolute;
  top: 8px; left: 8px;
  background: var(--renk-turuncu);
  color: var(--renk-beyaz);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 3px;
}
.urun-kart-bilgi {
  padding: 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.urun-marka {
  font-size: 11px;
  color: var(--renk-gri4);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.urun-isim {
  font-size: 13px;
  font-weight: 600;
  color: var(--renk-yazi);
  line-height: 1.4;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.urun-fiyat {
  font-size: 16px;
  font-weight: 700;
  color: var(--renk-turuncu);
}
.urun-kart-butonlar {
  display: flex;
  gap: 8px;
  padding: 0 12px 12px;
}
.btn-incele {
  flex: 1;
  text-align: center;
  padding: 8px;
  background: var(--renk-gri2);
  color: var(--renk-yazi);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  transition: background var(--gecis);
}
.btn-incele:hover { background: var(--renk-gri3); text-decoration: none; }
.btn-siparis {
  flex: 1;
  text-align: center;
  padding: 8px;
  background: var(--renk-turuncu);
  color: var(--renk-beyaz);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  transition: background var(--gecis);
}
.btn-siparis:hover { background: color-mix(in srgb, var(--renk-turuncu) 85%, black); text-decoration: none; }

/* ---- ÜRÜN DETAY ---- */
.urun-detay {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  background: var(--renk-beyaz);
  border: 1px solid var(--renk-gri3);
  border-radius: var(--radius);
  padding: 24px;
}
.urun-gorsel-buyuk img {
  width: 100%;
  border: 1px solid var(--renk-gri3);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--renk-gri2);
  object-fit: contain;
  aspect-ratio: 1;
}
.urun-gorsel-kucukler {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.urun-gorsel-kucukler img {
  width: 72px; height: 72px;
  object-fit: contain;
  border: 2px solid var(--renk-gri3);
  border-radius: 4px;
  padding: 4px;
  cursor: pointer;
  transition: border-color var(--gecis);
}
.urun-gorsel-kucukler img:hover,
.urun-gorsel-kucukler img.secili { border-color: var(--renk-turuncu); }
.urun-bilgi { display: flex; flex-direction: column; gap: 16px; }
.urun-detay-marka { font-size: 13px; color: var(--renk-gri4); }
.urun-detay-isim { font-size: 20px; font-weight: 700; line-height: 1.3; }
.urun-detay-kod { font-size: 13px; color: var(--renk-gri4); }
.urun-detay-fiyat { font-size: 26px; font-weight: 700; color: var(--renk-turuncu); }
.stok-var   { color: var(--renk-yesil); font-size: 13px; font-weight: 600; }
.stok-yok   { color: #e74c3c; font-size: 13px; font-weight: 600; }
.stok-sor   { color: var(--renk-sari); font-size: 13px; font-weight: 600; }

.miktar-sec {
  display: flex;
  align-items: center;
  gap: 12px;
}
.miktar-sec label { font-size: 14px; font-weight: 500; }
.miktar-sec input {
  width: 70px;
  padding: 8px;
  border: 2px solid var(--renk-gri3);
  border-radius: var(--radius);
  font-size: 16px;
  text-align: center;
  outline: none;
}
.miktar-sec input:focus { border-color: var(--renk-turuncu); }

.btn-wp {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #25D366;
  color: var(--renk-beyaz);
  padding: 14px 24px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 700;
  transition: background var(--gecis);
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-wp:hover { background: #1da851; text-decoration: none; }
.btn-wp svg { width: 22px; height: 22px; fill: currentColor; }

.urun-aciklama {
  background: var(--renk-beyaz);
  border: 1px solid var(--renk-gri3);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 24px;
}
.tab-basliklar {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--renk-gri3);
  margin-bottom: 20px;
}
.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--renk-gri4);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--gecis);
}
.tab-btn.aktif { color: var(--renk-turuncu); border-bottom-color: var(--renk-turuncu); }
.tab-icerik { display: none; }
.tab-icerik.aktif { display: block; }
.tab-icerik p { margin-bottom: 12px; line-height: 1.7; }

/* ---- PAGINATION ---- */
.pagination {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}
.sayfa-btn {
  padding: 8px 14px;
  background: var(--renk-beyaz);
  border: 1px solid var(--renk-gri3);
  border-radius: var(--radius);
  color: var(--renk-yazi);
  font-size: 14px;
  transition: all var(--gecis);
}
.sayfa-btn:hover { background: var(--renk-gri1); text-decoration: none; }
.sayfa-btn.aktif {
  background: var(--renk-turuncu);
  border-color: var(--renk-turuncu);
  color: var(--renk-beyaz);
}

/* ---- ANA SAYFA Slayt & Banner ---- */
.slider-bolum { background: var(--renk-koyu2); }
.slider-placeholder {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px;
}
.banner-grid {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.banner-kart {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: var(--renk-koyu);
  aspect-ratio: 16/7;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--gecis);
}
.banner-kart:hover { transform: scale(1.02); text-decoration: none; }
.banner-kart img { width: 100%; height: 100%; object-fit: cover; }

/* ---- FOOTER ---- */
.footer {
  background: var(--renk-koyu);
  color: var(--renk-gri3);
  margin-top: 48px;
  padding: 40px 0 20px;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer h4 {
  color: var(--renk-beyaz);
  font-size: 14px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer a {
  display: block;
  color: var(--renk-gri3);
  font-size: 13px;
  margin-bottom: 7px;
  transition: color var(--gecis);
}
.footer a:hover { color: var(--renk-turuncu); text-decoration: none; }
.footer-alt {
  text-align: center;
  font-size: 12px;
  color: var(--renk-gri4);
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ---- YÜKLEME ÇUBUĞU (üst) ---- */
#progress-bar {
  position: fixed; top: 0; left: 0;
  width: 0%; height: 3px;
  background: var(--renk-turuncu);
  z-index: 9999;
  transition: width 0.3s;
}

/* ---- MESAJlar ---- */
.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 14px; }
.flash.ok  { background: #e8f5e9; border-left: 4px solid #4caf50; color: #1b5e20; }
.flash.err { background: #ffebee; border-left: 4px solid #f44336; color: #b71c1c; }

/* ---- MOBİL ---- */
@media (max-width: 768px) {
  .header-icerik { flex-wrap: wrap; gap: 12px; }
  .header-arama  { max-width: 100%; order: 3; flex: 0 0 100%; }
  .header-iletisim { display: none; }

  .nav-icerik { flex-wrap: wrap; }
  .mobil-menu-btn { display: block; }
  .nav-linkler { display: none; width: 100%; flex-direction: column; }
  .nav-linkler.acik { display: flex; }
  .dropdown-menu { position: static; box-shadow: none; border: none; background: rgba(255,255,255,0.05); }
  .dropdown-menu a { color: #ccc; }

  .sayfa-icerik { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .sidebar.mobil-acik { display: flex; }

  .urun-detay { grid-template-columns: 1fr; }
  .banner-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .urun-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
}