:root{--bg:#fff;--fg:#1f2937;--muted:#6b7280;--primary:#4f46e5;--accent:#14b8a6;--soft:#f1f5f9;--card:#fff;--border:#e5e7eb}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;background:var(--bg);color:var(--fg)}
.container{max-width:1100px;margin:0 auto;padding:16px}
.header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);background:#fff;position:sticky;top:0;z-index:50}
.nav a{margin:0 10px;text-decoration:none;color:var(--fg);font-weight:600}
.nav a.btn{padding:8px 12px;border:1px solid var(--border);border-radius:10px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:36px}
.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.card-header{padding:12px 14px;font-weight:700;border-bottom:1px solid var(--border)}
.card-body{padding:14px}
.card-actions{padding:12px 14px;border-top:1px solid var(--border);display:flex;gap:8px;flex-wrap:wrap}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--fg);text-decoration:none;font-weight:600;cursor:pointer}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn.accent{background:var(--accent);color:#003;border-color:var(--accent)}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--border);padding:10px;text-align:left;font-size:14px}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:var(--soft);border:1px solid var(--border);font-size:12px}
.input, select, textarea{width:100%;padding:10px;border-radius:10px;border:1px solid var(--border);background:#fff}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.footer{padding:24px;border-top:1px solid var(--border);text-align:center;color:var(--muted);margin-top:40px}
.slider{width:100%;height:450px;border-radius:16px;overflow:hidden;border:1px solid var(--border);position:relative;background:#eef2ff}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .6s ease}
.slide.active{opacity:1}
.slide img{width:100%;height:100%;object-fit:cover}
.note{color:var(--muted);font-size:12px}
.kredi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.kredi-card{padding:16px;border:1px solid var(--border);border-radius:14px;background:#fff;text-align:center}
.kredi-card h3{margin:8px 0 6px}
hr{border:none;border-top:1px solid var(--border);margin:12px 0}
@media(max-width:900px){.grid.cols-3{grid-template-columns:1fr}.kredi-grid{grid-template-columns:1fr} .slider{height:250px}}


/* Slider caption band & controls */
.slide-caption{
  position:absolute;left:0;right:0;bottom:18px;
  margin:0 18px;
  background:rgba(0,0,0,.55);
  color:#fff;
  padding:10px 14px;
  border-radius:12px;
  font-weight:700;
  letter-spacing:.2px;
  text-shadow:0 1px 2px rgba(0,0,0,.4);
}
.slider button.slider-prev,
.slider button.slider-next{
  position:absolute;top:50%;transform:translateY(-50%);
  background:rgba(255,255,255,.85);
  border:1px solid var(--border);
  border-radius:999px;
  width:40px;height:40px;cursor:pointer;
  font-size:20px;line-height:1;
}
.slider button.slider-prev{left:10px}
.slider button.slider-next{right:10px}


/* === Professional Header === */
.pro-header{position:sticky;top:0;z-index:100;background:#ffffffcc;backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border)}
.pro-header__inner{display:flex;align-items:center;justify-content:space-between;padding:10px 16px}
.pro-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg)}
.pro-brand__logo{height:34px;width:auto}
.pro-brand__name{font-weight:800;letter-spacing:.3px}
.pro-nav{display:flex;gap:14px;align-items:center}
.pro-nav__link{padding:8px 10px;border-radius:10px;text-decoration:none;color:var(--fg);font-weight:600}
.pro-nav__link:hover{background:var(--soft)}
.pro-actions{display:flex;align-items:center;gap:12px}
.pro-login{display:flex;gap:8px;align-items:center}
.pro-login input{height:34px;padding:6px 10px;border:1px solid var(--border);border-radius:10px}
.pro-link{color:#0077cc;text-decoration:none}
.btn{display:inline-block;padding:8px 12px;border-radius:10px;border:1px solid var(--border);background:#fff;font-weight:700;cursor:pointer}
.btn-primary{background:#0ea5e9;border-color:#0ea5e9;color:#fff}
.btn-primary:hover{filter:brightness(.95)}
/* Burger */
.pro-burger{display:none;flex-direction:column;gap:4px;background:transparent;border:none;padding:6px;margin-left:6px}
.pro-burger span{display:block;width:22px;height:2px;background:var(--fg)}
/* Responsive */
@media (max-width: 980px){
  .pro-login{display:none}
  .pro-burger{display:flex}
  .pro-nav{position:fixed;top:56px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);flex-direction:column;gap:6px;padding:12px 16px;display:none}
  .pro-nav.open{display:flex}
}


/* ===== Header (Profesyonel 2025 sürümü) ===== */
.pro-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.97);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 3px rgba(0,0,0,.05);
}
.pro-header__inner{
  max-width:1200px;
  margin:0 auto;
  padding:10px 24px 10px 40px; /* logo soldan 40px içeride */
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.pro-brand{display:flex;align-items:center;text-decoration:none}
.pro-brand__logo{height:38px;width:auto;display:block}

/* Menü merkezde */
.pro-nav{flex:1;display:flex;justify-content:center;align-items:center;gap:20px;}
.pro-nav__link,.pro-nav__link:visited{
  color:var(--fg);text-decoration:none;font-weight:600;
}
.pro-nav__link:hover{
  background:var(--soft);border-radius:10px;padding:6px 10px;
}

/* Sağ taraf */
.pro-actions{display:flex;align-items:center;gap:12px}
.pro-login{display:flex;align-items:center;gap:8px}
.pro-login input{height:34px;padding:6px 10px;border:1px solid var(--border);border-radius:10px}
.pro-link,.pro-link:visited{color:#0ea5e9;text-decoration:none}
.btn{display:inline-block;padding:8px 12px;border-radius:10px;border:1px solid var(--border);background:#fff;font-weight:700;cursor:pointer}
.btn-primary{background:#0ea5e9;border-color:#0ea5e9;color:#fff}
.btn-primary:hover{filter:brightness(.95)}

/* Burger */
.pro-burger{display:none;flex-direction:column;gap:4px;background:transparent;border:none;padding:6px}
.pro-burger span{display:block;width:22px;height:2px;background:var(--fg)}

/* Responsive */
@media (max-width:1080px){.pro-login{display:none}}
@media (max-width:900px){
  .pro-nav{position:fixed;top:56px;left:0;right:0;display:none;flex-direction:column;gap:8px;padding:12px 16px;background:#fff;border-bottom:1px solid var(--border)}
  .pro-nav.open{display:flex}
  .pro-burger{display:flex}
}


/* === Temiz, Profesyonel Header (logo.png ile) === */
.clean-header{
  position:sticky;top:0;z-index:100;
  background:#fff;border-bottom:1px solid var(--border);
  box-shadow:0 1px 3px rgba(0,0,0,.05);
}
.clean-header__inner{
  max-width:1200px;margin:0 auto;
  padding:10px 40px; /* logo soldan 40px içeride */
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.clean-logo img{
  height:42px;width:auto;display:block;object-fit:contain;
  /* buton görünümü olmasın */
  background:none;border:none;box-shadow:none;border-radius:0;
}
.clean-nav{flex:1;display:flex;justify-content:center;gap:20px;}
.clean-nav a{
  text-decoration:none;color:var(--fg);
  font-weight:600;transition:.2s;
}
.clean-nav a:hover{color:#0ea5e9;}
.clean-actions{display:flex;align-items:center;gap:12px;}
.login-form{display:flex;gap:8px;align-items:center;}
.login-form input{
  height:34px;padding:6px 10px;
  border:1px solid var(--border);border-radius:8px;
}
.btn{display:inline-block;padding:8px 12px;border-radius:8px;border:1px solid var(--border);cursor:pointer;font-weight:600;}
.btn.primary{background:#0ea5e9;color:#fff;border-color:#0ea5e9;}
.btn.primary:hover{filter:brightness(.95);}
.logout{color:#0ea5e9;text-decoration:none;}
/* Burger menü */
.burger{display:none;flex-direction:column;gap:4px;background:transparent;border:none;padding:6px;}
.burger span{display:block;width:22px;height:2px;background:var(--fg);}
/* Responsive */
@media(max-width:900px){
  .clean-nav{
    position:fixed;top:56px;left:0;right:0;display:none;
    flex-direction:column;align-items:center;gap:10px;
    background:#fff;border-bottom:1px solid var(--border);padding:12px 0;
  }
  .clean-nav.open{display:flex;}
  .burger{display:flex;}
  .login-form{display:none;}
}