/* Öğrenci Rehberlik Takip Sistemi sitesi: tüm sayfaların ortak görünümü.
   Programın kendi renkleri (lacivert menü, turkuaz vurgu) ve yazı tipi (Nunito Sans) kullanılır. */
:root{
  --bg:#F4F6F9; --panel:#FFFFFF; --panel2:#E9EEF4; --line:#DCE3EC;
  --fg:#1B2A41; --muted:#56667D; --navy:#1B2A41; --teal:#147A80; --teal2:#E3F2F2; --warm:#E8833A; --warm2:#FDEEE2; --bad:#C2413A; --bad2:#FBE6E4;
  --shadow:0 1px 2px rgba(27,42,65,.06),0 10px 30px rgba(27,42,65,.08);
  --display:'Nunito','Nunito Sans','Segoe UI',sans-serif; --body:'Nunito Sans','Segoe UI',Roboto,sans-serif;
  color-scheme:light;
}
/* Site her zaman açık temayla açılır; koyu tema yalnızca üst menüdeki 🌙 düğmesiyle seçilir (site.js). */
:root[data-theme="dark"]{
  --bg:#0F1724; --panel:#172234; --panel2:#1F2C42; --line:#2B3A52;
  --fg:#E8EEF7; --muted:#A3B3C9; --navy:#0B1220; --teal:#5CC6C9; --teal2:#173A3E; --warm:#F2A361; --warm2:#3A2A1D; --bad:#F07C74; --bad2:#3D1F1D;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.3); color-scheme:dark;}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--display);line-height:1.2;margin:0 0 .45em;letter-spacing:-.01em}
h1{font-size:clamp(32px,5.4vw,52px);font-weight:900}
h2{font-size:clamp(25px,3.6vw,36px);font-weight:900}
h3{font-size:19px;font-weight:800}
p{margin:0 0 1em}
a{color:var(--teal)}
img{max-width:100%}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.dar{max-width:820px}
section{padding:68px 0}
.alt{background:var(--panel2)}
.ust{font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin-bottom:10px}
.lead{font-size:19px;color:var(--muted);max-width:660px}
.ipucu{font-size:14px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font:800 16px var(--body);cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .15s;color:var(--fg);background:var(--panel)}
.btn:active{transform:scale(.98)}
.btn.ana{background:var(--warm);color:#fff;box-shadow:0 6px 18px color-mix(in srgb,var(--warm) 35%,transparent)}
.btn.koyu{background:var(--navy);color:#fff}
.btn.cizgi{background:transparent;box-shadow:inset 0 0 0 2px var(--line)}
.btn.cizgi:hover{box-shadow:inset 0 0 0 2px var(--teal)}
.btn.kucuk{padding:9px 14px;font-size:14px;border-radius:10px}
.btn[aria-disabled="true"],.btn[disabled]{background:var(--panel2);color:var(--muted);box-shadow:none;pointer-events:none}
/* üst menü */
.site-ust{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-ust .wrap{display:flex;align-items:center;gap:14px;height:66px}
.logo{display:flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;font:900 17px/1.15 var(--display)}
.logo img{width:40px;height:40px}
.logo small{display:block;font:700 12px var(--body);color:var(--muted)}
.site-ust nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.site-ust nav a{color:var(--fg);text-decoration:none;font-weight:700;font-size:15px;padding:8px 12px;border-radius:10px}
.site-ust nav a:hover,.site-ust nav a[aria-current="page"]{background:var(--panel2)}
.site-ust nav a.btn{margin-left:6px;padding:9px 14px}
.site-ust nav a.btn:hover{background:var(--warm)}
.site-ust nav a.btn.ana[aria-current="page"]{background:var(--warm);color:#fff;box-shadow:inset 0 0 0 2px rgba(255,255,255,.55)}
.tema-tus{border:1px solid var(--line);background:var(--panel);color:var(--fg);width:38px;height:38px;border-radius:10px;cursor:pointer;font-size:17px;line-height:1;margin-left:4px}
.tema-tus:hover{border-color:var(--teal)}
#menuTus{display:none;margin-left:auto;background:none;border:0;color:var(--fg);font-size:26px;cursor:pointer;padding:6px}
@media (max-width:900px){
  .site-ust nav{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 20px 16px}
  .site-ust nav.acik{display:flex}
  .site-ust nav a.btn{margin:6px 0 0}
  #menuTus{display:block}
}
/* kartlar */
.izgara{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));margin-top:30px}
.kart{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.kart .ikon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--teal2);font-size:22px;margin-bottom:14px}
.kart p{color:var(--muted);margin:0}
.not{display:flex;gap:12px;align-items:flex-start;background:var(--teal2);border-radius:16px;padding:14px 16px;font-size:15px}
.not>span:first-child{font-size:22px;line-height:1.2}
.not.uyari{background:var(--warm2)}
.not b{color:var(--fg)}
/* alt bilgi */
.site-alt{background:var(--navy);color:#C9D4E3;padding:40px 0 48px;font-size:14px}
:root[data-theme="dark"] .site-alt{border-top:1px solid var(--line)}
.site-alt .wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:28px}
@media (max-width:700px){.site-alt .wrap{grid-template-columns:1fr}}
.site-alt b{color:#fff;font-size:15px}
.site-alt a{color:#fff;font-weight:700;text-decoration:none}
.site-alt a:hover{text-decoration:underline}
.site-alt ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px}
.site-alt .meb{margin-top:12px;padding:10px 12px;border-radius:10px;background:rgba(255,255,255,.07);color:#E6ECF5}
/* biçim alanları */
label.kutu{display:flex;gap:12px;align-items:flex-start;background:var(--panel);border:1.5px solid var(--line);border-radius:14px;padding:13px 15px;margin:10px 0;cursor:pointer;font-weight:700}
label.kutu input{width:22px;height:22px;margin:1px 0 0;accent-color:var(--teal);flex:none}
label.kutu.kapali{opacity:.5;cursor:not-allowed}
input[type=email],input[type=text],textarea,select{width:100%;font:16px var(--body);color:var(--fg);background:var(--panel);border:1.5px solid var(--line);border-radius:12px;padding:12px 14px}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--teal)}
.mesaj{min-height:22px;font-weight:700;font-size:15px;margin:10px 0 0}
.mesaj.iyi{color:var(--teal)}.mesaj.kotu{color:var(--bad)}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--warm);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}