/* =========================================================
   PİSAGOR OKULU — ORTAK TASARIM DOSYASI
   Bütün sayfalar bu dosyayı kullanır. Burada yapılan bir
   değişiklik (renk, yazı tipi, menü, footer) her sayfaya yansır.
   ========================================================= */

/* ===== RENKLER ===== */
:root{
  --lacivert-koyu:#042C53;
  --lacivert:#0C447C;
  --mavi:#378ADD;
  --mavi-acik:#E8F1FB;
  --sari:#F5B82E;
  --zemin:#F7F9FC;
  --beyaz:#FFFFFF;
  --metin:#1B2433;
  --metin-soluk:#5A6678;
  --cizgi:#DCE4EE;
  --radius:14px;
  /* Soru Havuzu marka renkleri */
  --sh-lacivert:#204079;
  --sh-turkuaz:#1aa5a0;
}

/* ===== TEMEL ===== */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;color:var(--metin);background:var(--zemin);line-height:1.6}
h1,h2,h3,h4,.logo{font-family:Outfit,sans-serif;line-height:1.2}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.kap{max-width:1160px;margin:0 auto;padding:0 20px}

/* ===== ORTAK PARÇALAR ===== */
.etiket{display:inline-block;font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--mavi);margin-bottom:8px}
.link-ok{color:var(--mavi);font-weight:600;white-space:nowrap}
.link-ok:hover{text-decoration:underline}
.bolum-baslik{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:32px;flex-wrap:wrap}
.bolum-baslik h2{font-size:clamp(1.6rem,3vw,2.2rem);color:var(--lacivert-koyu)}
.bolum-baslik p{color:var(--metin-soluk);max-width:560px}
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font-weight:600;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-2px)}
.btn-mavi{background:var(--mavi);color:#fff}
.btn-mavi:hover{background:#2a76c4}
.btn-cizgi{border:2px solid rgba(255,255,255,.5);color:#fff}
.btn-cizgi:hover{border-color:#fff}
/* Çizgi simgeler */
svg.simge,.simge svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ===== ÜST MENÜ ===== */
header{background:var(--lacivert-koyu);position:sticky;top:0;z-index:50}
.menu{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{color:#fff;font-size:1.35rem;font-weight:800;display:flex;align-items:center;gap:10px}
.logo-img{width:46px;height:46px;object-fit:contain}
nav ul{display:flex;gap:28px;list-style:none}
nav a{color:rgba(255,255,255,.82);font-weight:500;font-size:.95rem}
nav a:hover,nav a.aktif{color:#fff}
nav a.aktif{border-bottom:2px solid var(--mavi);padding-bottom:4px}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer}

/* ===== FOOTER ===== */
footer{background:var(--lacivert-koyu);color:rgba(255,255,255,.7);padding:48px 0 28px;font-size:.92rem}
.footer-izgara{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.3fr;gap:30px;margin-bottom:32px}
footer .logo{margin-bottom:12px}
footer h4{color:#fff;margin-bottom:12px}
footer ul{list-style:none;display:flex;flex-direction:column;gap:6px}
footer a:hover{color:#fff}
.alt{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:.85rem}

/* ===== MOBİL ===== */
@media (max-width:900px){
  .footer-izgara{grid-template-columns:1fr 1fr}
  .footer-izgara > :first-child{grid-column:1 / -1}
}
@media (max-width:720px){
  nav ul{display:none;position:absolute;top:68px;left:0;right:0;background:var(--lacivert-koyu);flex-direction:column;gap:0;padding:8px 20px 16px}
  nav ul.acik{display:flex}
  nav li a{display:block;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  nav a.aktif{border-bottom:1px solid rgba(255,255,255,.08);color:#8cc1f2}
  .menu-btn{display:block}
}