/* Temel */
:root{
  --bg:#0f0f12;
  --text:#eaeaea;
  --muted:#b8b8b8;
  --card:#16161b;
  --reklam:#ff7a00;
  --temizlik:#2bb673;
  --tasarim:#3b82f6;
  --border:rgba(255,255,255,0.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family: 'Segoe UI', system-ui, sans-serif; color:var(--text); background:var(--bg)}

/* Üst çubuk */
.site-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:16px 24px;border-bottom:1px solid var(--border);position:sticky;top:0;background:rgba(15,15,18,0.8);backdrop-filter: blur(8px);
}
.site-header .brand{font-weight:700;letter-spacing:.5px}
.site-header ul{display:flex;gap:16px;list-style:none;margin:0;padding:0}
.site-header a{color:var(--text);text-decoration:none}
.site-header a:hover{color:var(--muted)}

/* Hero */
.hero{padding:64px 24px;text-align:center;max-width:960px;margin:0 auto}
.hero-gradient{
  background: radial-gradient(1200px 600px at 50% -200px, rgba(255,122,0,.25), transparent 60%) no-repeat;
}
.hero h1{font-size:2rem;margin:0 0 12px}
.hero p{color:var(--muted);margin:0}

/* Kartlar */
.cards{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;max-width:1024px;margin:32px auto;padding:0 24px;
}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:24px;text-decoration:none;color:var(--text);
  display:flex;flex-direction:column;gap:10px;position:relative;overflow:hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover{transform: translateY(-6px);box-shadow:0 12px 24px rgba(0,0,0,.35);border-color:rgba(255,255,255,.14)}
.card-icon{font-size:28px}
.card h2{margin:0}
.card p{margin:0;color:var(--muted)}
.card-cta{
  margin-top:12px;display:inline-block;font-weight:600;
  border:1px solid var(--border);padding:8px 12px;border-radius:8px
}
.card-reklam{outline: 1px solid rgba(255,122,0,.18)}
.card-temizlik{outline: 1px solid rgba(43,182,115,.18)}
.card-tasarim{outline: 1px solid rgba(59,130,246,.18)}

/* CTA/İletişim */
.cta{max-width:960px;margin:40px auto;padding:0 24px;text-align:center;color:var(--muted)}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:20px 24px;text-align:center;color:#9a9a9a}

/* Bölüm başlıkları */
.section{
  max-width:960px;margin:0 auto;padding:40px 24px
}
.section h1{margin:0 0 8px}
.section p{color:var(--muted);margin:0}

/* Hero varyasyonları (alt sayfalar) */
.hero-reklam{background: linear-gradient(135deg, rgba(255,122,0,.25), transparent)}
.hero-temizlik{background: linear-gradient(135deg, rgba(43,182,115,.25), transparent)}
.hero-tasarim{background: linear-gradient(135deg, rgba(59,130,246,.25), transparent)}

/* Buton */
.btn{
  display:inline-block;margin-top:16px;padding:10px 16px;border-radius:10px;
  border:1px solid var(--border);color:var(--text);text-decoration:none
}
.btn:hover{border-color:rgba(255,255,255,.25)}


.bar {
  background: #ff0000;       /* Kırmızı şerit */
  color: #fff;               /* Beyaz yazı */
  text-align: center;        /* Ortalanmış yazı */
  font-weight: bold;
  font-size: 5.2em;
  padding: 100px 0;           /* Şerit yüksekliği */
  position: fixed;           /* Sayfanın en üstüne sabitlenir */
  top: 0;
  left: 0;
  width: 100%;               /* Tam genişlik */
  z-index: 9999;             /* Her şeyin üstünde görünür */
}