:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:rgba(2,6,23,.10);
  --accent:#0ea5e9;
  --accent2:#22c55e;
  --shadow:0 14px 34px rgba(2,6,23,.08);
}

*{box-sizing:border-box}
html,body{
  margin:0;
  padding:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial;
  background:var(--bg);
  color:var(--text);
}

a{color:inherit;text-decoration:none}
ul{margin:0;padding-left:18px}
img{max-width:100%;height:auto;display:block}

.container{
  width:100%;
  max-width:1120px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

.site-main{min-height:70vh}

.muted{color:var(--muted)}
.sep{opacity:.35;margin:0 10px}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:10px 0;
  gap:12px;
}

.top-actions{display:flex;gap:10px;align-items:center}
.toplink{color:var(--muted);font-size:14px}

.navwrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:16px;
  position:relative;
}

.brand{display:flex;align-items:center;gap:12px;min-width:220px}
.brand .logo{height:120px;width:auto}
.brand-name{font-weight:950;letter-spacing:.2px}
.brand-tag{font-size:12px;color:var(--muted)}

.nav{display:flex;gap:16px;align-items:center}
.nav a{font-size:14px;opacity:.9}
.nav a:hover{opacity:1}

/* Mobile menu button */
.burger{display:none;background:transparent;border:0;cursor:pointer;padding:8px;border-radius:12px}
.burger:hover{background:rgba(2,6,23,.05)}
.burger span{display:block;width:26px;height:2px;background:var(--text);margin:6px 0;opacity:.75}

/* Mobile nav - dropdown under header */
.nav-mobile{
  display:none;
  border-top:1px solid var(--border);
  padding:12px 0;
  background:#fff;
}
.nav-mobile a{display:block;padding:10px 0;opacity:.92}
.nav-mobile .btn{margin:8px 0;width:100%}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid var(--border);
  font-weight:850;
  font-size:14px;
  background:#fff;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),#60a5fa);
  color:#fff;
  border:0;
}
.btn-ghost{background:rgba(14,165,233,.08)}
.btn:hover{transform:translateY(-1px)}

/* Layout */
.hero{padding:46px 0 18px}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px;align-items:stretch}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:22px;
  padding:18px;
  box-shadow:0 10px 26px rgba(2,6,23,.06);
}

.h1{font-size:42px;line-height:1.08;margin:0 0 10px;font-weight:980}
.lead{color:var(--muted);line-height:1.65;font-size:16px;margin:0}
.kicker{
  display:inline-flex;gap:8px;align-items:center;
  padding:6px 10px;border-radius:999px;
  border:1px solid var(--border);
  color:var(--muted);
  font-size:13px;
  background:rgba(255,255,255,.7);
}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.section{padding:22px 0}
.section-title{font-size:22px;font-weight:980;margin:0 0 10px}
.section-sub{margin:0 0 16px;color:var(--muted);line-height:1.6}
.link{color:var(--accent);font-weight:900;margin-top:10px;display:inline-block}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{
  display:inline-flex;
  padding:6px 10px;border-radius:999px;
  border:1px solid var(--border);
  color:var(--muted);
  font-size:13px;
  background:rgba(255,255,255,.7);
}

/* Forms */
.form{display:grid;gap:10px}
.input,textarea,select{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  outline:none;
}
textarea{min-height:130px;resize:vertical}
.alert{
  padding:12px 14px;border-radius:16px;
  border:1px solid var(--border);
  background:rgba(34,197,94,.08);
}
.alert.err{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.22)}
.small{font-size:13px;color:var(--muted)}

/* Footer */
.site-footer{
  border-top:1px solid var(--border);
  margin-top:34px;
  padding:26px 0;
  background:#fff;
}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .9fr;gap:18px}
.footer-title{font-weight:980;margin-bottom:8px}
.links{list-style:none;padding:0;margin:0}
.links li{margin:8px 0}
.links a{color:var(--muted)}
.links a:hover{color:var(--text)}
.footer-bottom{
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--border);
  color:var(--muted);
  font-size:13px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.floating-wa{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:80;
  background:rgba(34,197,94,.92);
  color:#fff;
  font-weight:950;
  padding:12px 14px;
  border-radius:999px;
  box-shadow:var(--shadow);
}

.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.table th{color:var(--muted);font-size:13px}

/* IMPORTANT: Desktop’ta mobil menüyü KESİN kapat (inline style bile olsa) */
@media (min-width: 921px){
  .nav-mobile{display:none !important;}
}

/* Mobile */
@media (max-width: 920px){
  .hero-grid{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav{display:none}
  .burger{display:block}

  /* Mobil menü header altında açılır */
  .nav-mobile{
    display:none;
    padding:12px 20px;
  }
}