:root{
  --lacivert:#0d2b4e; --lacivert2:#10365f; --amber:#f5a623; --amber-koyu:#d98b09;
  --metin:#1f2a37; --gri:#5b6776; --acikgri:#f4f6f9; --kenar:#e2e7ee; --beyaz:#fff;
  --kirmizi:#c62828; --yesil:#2e7d32;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,Arial,sans-serif;color:var(--metin);background:#fff;line-height:1.6;font-size:16px}
a{color:var(--lacivert);text-decoration:none}
img{max-width:100%;height:auto;display:block}
.kapsayici{max-width:1180px;margin:0 auto;padding:0 22px}
.btn{display:inline-block;background:var(--amber);color:#1a1407;padding:13px 26px;border-radius:8px;font-weight:700;border:none;cursor:pointer;transition:.15s;font-size:15px}
.btn:hover{background:var(--amber-koyu);color:#1a1407}
.btn-cizgi{background:transparent;border:2px solid #fff;color:#fff}
.btn-cizgi:hover{background:#fff;color:var(--lacivert)}
.btn-lacivert{background:var(--lacivert);color:#fff}
.btn-lacivert:hover{background:var(--lacivert2);color:#fff}

/* ---------- ÜST BİLGİ ÇUBUĞU ---------- */
.ust-serit{background:var(--lacivert);color:#dce6f3;font-size:13.5px}
.ust-serit .kapsayici{display:flex;justify-content:space-between;align-items:center;height:42px;flex-wrap:wrap}
.ust-serit a{color:#dce6f3}
.ust-serit .sag{display:flex;gap:18px;align-items:center}

/* ---------- BAŞLIK / NAV ---------- */
.site-bas{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 14px rgba(13,43,78,.08)}
.site-bas .kapsayici{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.logo{color:var(--lacivert);display:flex;align-items:center}
.logo svg,.logo img{height:46px;width:auto}
.ana-nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0;align-items:center}
.ana-nav a{color:var(--metin);font-weight:600;padding:10px 15px;border-radius:7px;font-size:15px}
.ana-nav a:hover{color:var(--lacivert);background:var(--acikgri)}
.ana-nav .aktif>a{color:var(--amber-koyu)}
.nav-sag{display:flex;align-items:center;gap:10px}

/* Yönetim menüsü (giriş yapınca) */
.yonetim-menu{position:relative}
.yonetim-tetik{background:var(--lacivert);color:#fff;padding:10px 16px;border-radius:7px;font-weight:700;cursor:pointer;font-size:14.5px;display:flex;align-items:center;gap:7px}
.yonetim-tetik:hover{background:var(--lacivert2)}
.yonetim-acilir{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--kenar);border-radius:10px;box-shadow:0 12px 34px rgba(13,43,78,.16);min-width:210px;padding:8px;display:none}
.yonetim-menu.acik .yonetim-acilir{display:block}
.yonetim-acilir a{display:block;padding:10px 13px;border-radius:7px;color:var(--metin);font-weight:600;font-size:14.5px}
.yonetim-acilir a:hover{background:var(--acikgri);color:var(--lacivert)}
.yonetim-acilir .ayrac{height:1px;background:var(--kenar);margin:6px 4px}
.yonetim-acilir .cikis{color:var(--kirmizi)}

.mobil-tetik{display:none;background:none;border:none;font-size:26px;color:var(--lacivert);cursor:pointer}

/* ---------- HERO ---------- */
.hero{position:relative;background:linear-gradient(115deg,var(--lacivert) 0%,var(--lacivert2) 55%,#16467a 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:480px;height:480px;background:radial-gradient(circle,rgba(245,166,35,.18),transparent 70%);border-radius:50%}
.hero .kapsayici{position:relative;z-index:2;padding:88px 22px 96px;max-width:820px}
.hero .etiket{display:inline-block;background:rgba(245,166,35,.18);color:var(--amber);font-weight:700;font-size:13px;letter-spacing:1px;padding:7px 16px;border-radius:30px;text-transform:uppercase;margin-bottom:20px}
.hero h1{font-size:46px;line-height:1.15;margin:0 0 18px;font-weight:800}
.hero p{font-size:19px;color:#cddbee;margin:0 0 30px;max-width:620px}
.hero .butonlar{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- BÖLÜM GENEL ---------- */
.bolum{padding:78px 0}
.bolum.gri{background:var(--acikgri)}
.bolum-bas{text-align:center;max-width:680px;margin:0 auto 50px}
.bolum-bas .mini{color:var(--amber-koyu);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:13px}
.bolum-bas h2{font-size:34px;margin:10px 0 12px;color:var(--lacivert);font-weight:800}
.bolum-bas p{color:var(--gri);font-size:17px;margin:0}

/* İstatistik şerit */
.istatistik{background:var(--lacivert);color:#fff}
.istatistik .kapsayici{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:46px 22px;text-align:center}
.istatistik .deg{font-size:40px;font-weight:800;color:var(--amber)}
.istatistik .et{color:#cddbee;font-size:15px;margin-top:4px}

/* Hizmet kartları */
.hizmet-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.hizmet-kart{background:#fff;border:1px solid var(--kenar);border-radius:14px;padding:30px 26px;transition:.18s}
.hizmet-kart:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(13,43,78,.12);border-color:transparent}
.hizmet-kart .ikon{width:58px;height:58px;border-radius:12px;background:linear-gradient(135deg,var(--amber),var(--amber-koyu));display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:18px}
.hizmet-kart h3{margin:0 0 10px;font-size:20px;color:var(--lacivert)}
.hizmet-kart p{margin:0;color:var(--gri);font-size:15.5px}

/* Hakkımızda */
.hakkimizda{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.hakkimizda .gorsel{background:linear-gradient(135deg,var(--lacivert),#16467a);border-radius:18px;min-height:340px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hakkimizda .gorsel .buyuk{font-size:120px;opacity:.9}
.hakkimizda ul{list-style:none;padding:0;margin:18px 0 0}
.hakkimizda li{padding:8px 0 8px 30px;position:relative;color:var(--metin)}
.hakkimizda li::before{content:"✓";position:absolute;left:0;top:8px;color:var(--amber-koyu);font-weight:800}

/* Referanslar / galeri */
.ref-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ref-kutu{background:#fff;border:1px solid var(--kenar);border-radius:12px;height:110px;display:flex;align-items:center;justify-content:center;color:var(--gri);font-weight:700;font-size:18px;text-align:center;padding:10px}
.galeri-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.galeri-kutu{border-radius:12px;height:200px;background:linear-gradient(135deg,#16467a,var(--lacivert));display:flex;align-items:center;justify-content:center;color:#9db8d6;font-size:40px}

/* İletişim */
.iletisim{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.iletisim-bilgi .satir{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px}
.iletisim-bilgi .ikon{width:46px;height:46px;border-radius:10px;background:var(--acikgri);display:flex;align-items:center;justify-content:center;font-size:20px;flex:none}
.iletisim-bilgi h4{margin:0 0 2px;color:var(--lacivert)}
.iletisim-bilgi p{margin:0;color:var(--gri)}
.iletisim-form{background:var(--acikgri);padding:30px;border-radius:16px}
.iletisim-form label{display:block;font-weight:600;font-size:14px;margin:0 0 5px;color:#45505c}
.iletisim-form input,.iletisim-form textarea{width:100%;padding:12px;border:1px solid var(--kenar);border-radius:8px;font-family:inherit;font-size:15px;margin-bottom:16px;background:#fff}

/* ---------- ALT BİLGİ ---------- */
.site-alt{background:var(--lacivert);color:#b9c8dc;padding:56px 0 0}
.alt-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:40px}
.site-alt h4{color:#fff;font-size:17px;margin:0 0 16px}
.site-alt ul{list-style:none;padding:0;margin:0}
.site-alt ul li{padding:5px 0}
.site-alt a{color:#b9c8dc}
.site-alt a:hover{color:var(--amber)}
.sosyal{display:flex;gap:10px;margin-top:14px}
.sosyal a{width:38px;height:38px;border-radius:8px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#fff}
.sosyal a:hover{background:var(--amber);color:#1a1407}
.alt-telif{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;text-align:center;font-size:13.5px}

/* ---------- GİRİŞ EKRANI ---------- */
.giris-sarma{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:50px 20px;background:var(--acikgri)}
.giris-kart{background:#fff;border:1px solid var(--kenar);border-radius:16px;padding:38px 36px;width:100%;max-width:400px;box-shadow:0 16px 40px rgba(13,43,78,.10)}
.giris-kart h2{margin:0 0 6px;color:var(--lacivert);text-align:center}
.giris-kart .alt{text-align:center;color:var(--gri);font-size:14px;margin:0 0 22px}
.giris-kart label{display:block;font-weight:600;font-size:14px;margin:0 0 6px}
.giris-kart input{width:100%;padding:12px;border:1px solid var(--kenar);border-radius:8px;font-size:15px;margin-bottom:16px}
.giris-uyari{background:#fdecea;color:var(--kirmizi);border:1px solid #f3c2bd;padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:14px}

/* ---------- YÖNETİM PANELİ ---------- */
.yon-sarma{background:var(--acikgri);min-height:72vh;padding:34px 0}
.yon-bas{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.yon-bas h1{margin:0;font-size:26px;color:var(--lacivert)}
.yon-sekme{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:22px}
.yon-sekme a{padding:9px 16px;border-radius:8px;background:#fff;border:1px solid var(--kenar);color:var(--metin);font-weight:600;font-size:14.5px}
.yon-sekme a.aktif{background:var(--lacivert);color:#fff;border-color:var(--lacivert)}
.yon-kutu{background:#fff;border:1px solid var(--kenar);border-radius:12px;padding:20px;margin-bottom:20px}
.yon-kutu h2{margin:0 0 14px;font-size:18px;color:var(--lacivert)}
.yon-ist{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.yon-ist .deg{font-size:26px;font-weight:800;color:var(--lacivert)}
.yon-ist .et{color:var(--gri);font-size:13px}
.yon-tablo{width:100%;border-collapse:collapse;font-size:14px}
.yon-tablo th{text-align:left;background:#eef3f9;color:var(--lacivert);padding:10px;font-weight:700;white-space:nowrap}
.yon-tablo td{padding:9px 10px;border-bottom:1px solid #eef1f5}
.yon-tablo tbody tr:hover{background:#f8fafc}
.yon-genis{overflow-x:auto}
.kirmizi{color:var(--kirmizi)} .yesil{color:var(--yesil)}
.yon-form{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;max-width:920px}
.yon-form .genis,.yon-form .butonlar{grid-column:1/-1}
.yon-form label{display:block;font-weight:600;font-size:13px;color:#45505c;margin-bottom:5px}
.yon-form input,.yon-form select,.yon-form textarea{width:100%;padding:10px;border:1px solid var(--kenar);border-radius:7px;font-family:inherit;font-size:14.5px}
.yon-ara{display:flex;gap:8px;margin-bottom:14px}
.yon-ara input{flex:1;padding:10px;border:1px solid var(--kenar);border-radius:7px}
.kucuk{padding:6px 12px;font-size:13px;border-radius:6px;font-weight:600}
.rozet{background:#eef3f9;color:var(--lacivert);font-size:11px;padding:1px 8px;border-radius:10px}
.bildir{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-weight:600}
.bildir-ok{background:#e6f4ea;color:var(--yesil);border:1px solid #b6ddc2}

/* ---------- RESPONSIVE ---------- */
@media(max-width:920px){
  .ana-nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;box-shadow:0 12px 24px rgba(0,0,0,.12);padding:10px}
  .ana-nav.acik{display:block}
  .ana-nav ul{flex-direction:column;align-items:stretch}
  .mobil-tetik{display:block}
  .hero h1{font-size:34px}
  .hizmet-grid,.hakkimizda,.iletisim,.galeri-grid{grid-template-columns:1fr}
  .ref-grid{grid-template-columns:repeat(2,1fr)}
  .istatistik .kapsayici{grid-template-columns:repeat(2,1fr)}
  .yon-ist{grid-template-columns:repeat(2,1fr)}
  .yon-form{grid-template-columns:1fr}
  .alt-grid{grid-template-columns:1fr}
}