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

:root {
  --koyu: #1a1a2e;
  --orta: #16213e;
  --altin: #c9a84c;
  --altin-acik: #f0d080;
  --beyaz: #f5f5f0;
  --gri: #888;
  --kart-bg: #ffffff;
  --golge: 0 4px 24px rgba(0,0,0,0.10);
}

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--beyaz);
  color: #222;
}

/* ── NAVİGASYON ── */
header {
  background: var(--koyu);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--altin);
  text-decoration: none;
}

.logo span { color: #fff; font-weight: 300; }

nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
}

nav ul a {
  color: #ccc;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

nav ul a:hover { color: var(--altin); }

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--koyu) 0%, var(--orta) 60%, #0f3460 100%);
  color: #fff;
  text-align: center;
  padding: 96px 24px 80px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero h1 span { color: var(--altin); }

.hero p {
  font-size: 1.15rem;
  color: #aab;
  max-width: 520px;
  margin: 0 auto 36px;
}

.btn {
  display: inline-block;
  background: var(--altin);
  color: var(--koyu);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 36px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

.btn:hover { background: var(--altin-acik); transform: translateY(-2px); }

/* ── FİLTRE ── */
.filtre-bar {
  max-width: 1200px;
  margin: 40px auto 0;
  padding: 0 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.filtre-btn {
  background: #fff;
  border: 2px solid #e0e0e0;
  border-radius: 24px;
  padding: 8px 22px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.filtre-btn:hover, .filtre-btn.aktif {
  background: var(--koyu);
  border-color: var(--koyu);
  color: #fff;
}

/* ── ÜRÜN GRID ── */
.urun-grid {
  max-width: 1200px;
  margin: 24px auto 64px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.kart {
  background: var(--kart-bg);
  border-radius: 14px;
  box-shadow: var(--golge);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.kart:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.14);
}

.kart.satista-degil { opacity: 0.6; }

.kart-resim {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: linear-gradient(135deg, #ddd 0%, #eee 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
}

.etiket {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--altin);
  color: var(--koyu);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}

.etiket.kapali { background: #ccc; color: #555; }

.kart-icerik {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.kart-kategori {
  font-size: 0.78rem;
  color: var(--gri);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.kart-ad {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--koyu);
}

.kart-aciklama {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.5;
  flex: 1;
  margin-bottom: 16px;
}

.kart-alt {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fiyat {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--koyu);
}

.sepet-btn {
  background: var(--koyu);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.sepet-btn:hover { background: var(--altin); color: var(--koyu); }

.sepet-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
}

/* ── FOOTER ── */
footer {
  background: var(--koyu);
  color: #aab;
  text-align: center;
  padding: 32px 24px;
  font-size: 0.9rem;
}

footer a { color: var(--altin); text-decoration: none; }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  nav ul { gap: 16px; }
  .hero { padding: 64px 16px 56px; }
}