/* Bilgi Enstitü — neutral, compact theme in the shadcn/ui manner:
   zinc greys, hairline borders, 36px controls, 14px UI text, brand violet only as an accent. */
:root{
  --bg:#fff; --muted-bg:#fafafa; --secondary:#f4f4f5; --fg:#09090b; --text:#3f3f46; --muted:#71717a; --border:#e4e4e7; --input:#e4e4e7;
  --primary:#18181b; --primary-hover:#27272a; --primary-fg:#fafafa;
  --brand:#5a43e0; --brand-soft:#f1eeff;
  --ok:#15803d; --ok-soft:#f0fdf4; --ok-line:#bbf7d0; --err:#b91c1c; --err-soft:#fef2f2; --err-line:#fecaca;
  --ring:rgba(24,24,27,.18);
  --font:'Geist',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --r:8px; --r-lg:12px;
  --sh-xs:0 1px 2px rgba(0,0,0,.05);
  --sh-md:0 4px 6px -1px rgba(0,0,0,.08),0 2px 4px -2px rgba(0,0,0,.06);
  --sh-lg:0 10px 15px -3px rgba(0,0,0,.08),0 4px 6px -4px rgba(0,0,0,.06);
  --w:1200px; --pad:clamp(16px,4vw,32px);
}
*,*::before,*::after{box-sizing:border-box;border-color:var(--border)}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--text);font:400 14px/1.6 var(--font);-webkit-font-smoothing:antialiased;overflow-x:clip}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul[class],ol[class]{padding:0;list-style:none}
h1,h2,h3,h4{color:var(--fg);font-weight:600;line-height:1.2;letter-spacing:-.02em;text-wrap:balance}
p{text-wrap:pretty}
a{color:inherit}
img,svg{display:block;max-width:100%}
img{height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid transparent;box-shadow:0 0 0 3px var(--ring);border-radius:4px}
::selection{background:var(--fg);color:#fff}
:target{scroll-margin-top:72px}
.ik{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.ic{width:min(100%,var(--w));margin-inline:auto;padding-inline:var(--pad)}
.bolum{padding-block:clamp(40px,6vw,64px)}
.bolum+.bolum{padding-top:0}
.bolum-bas{display:flex;align-items:end;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;margin-bottom:24px}
.bolum-bas h2{font-size:clamp(20px,2vw,24px)}
.bolum-bas p{margin-top:4px;color:var(--muted);max-width:60ch}
.ust-yazi{display:inline-block;margin-bottom:6px;color:var(--muted);font-size:13px;font-weight:500}
.link-ok{display:inline-flex;align-items:center;gap:6px;color:var(--fg);font-weight:500;font-size:14px;text-decoration:none}
.link-ok:hover{text-decoration:underline;text-underline-offset:4px}

/* buttons: default, outline, secondary; h-9 / h-8 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:36px;padding:0 16px;border:1px solid transparent;border-radius:var(--r);background:var(--primary);color:var(--primary-fg);font-weight:500;font-size:14px;line-height:1;text-decoration:none;white-space:nowrap;box-shadow:var(--sh-xs);transition:background-color .15s ease,border-color .15s ease,color .15s ease}
.btn:hover{background:var(--primary-hover)}
.btn-ikinci,.btn-yesil{background:var(--bg);color:var(--fg);border-color:var(--input)}
.btn-ikinci:hover,.btn-yesil:hover{background:var(--secondary)}
.btn-yesil .ik{color:#16a34a}
.btn-yumusak{background:var(--secondary);color:var(--fg);box-shadow:none}
.btn-yumusak:hover{background:#e9e9ec}
.btn-kucuk{height:32px;padding:0 12px;font-size:13px}
.btn-tam{width:100%}

/* badge */
.kart-etiket,.kapak-tur,.ders-rozet span,.unite li em,.satin-fiyat .indirim{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--fg);font-size:12px;font-weight:500;font-style:normal;line-height:1.5;white-space:nowrap}
.kart-etiket .ik,.kapak-tur .ik,.ders-rozet .ik{width:12px;height:12px}

/* ---------- header ---------- */
.ust{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.ust-ic{display:flex;align-items:center;gap:12px;height:56px}
.ust-logo{color:var(--fg);flex:none;margin-right:8px}
.ust-logo svg{width:128px;height:auto}
.ust-kat{position:relative}
.ust-kat>button{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 12px;border:0;border-radius:var(--r);background:none;color:var(--fg);font-weight:500;font-size:14px}
.ust-kat>button:hover,.ust-kat.acik>button{background:var(--secondary)}
.ust-kat>button .ik:last-child{width:14px;height:14px;opacity:.6;transition:transform .15s ease}
.ust-kat.acik>button .ik:last-child{transform:rotate(180deg)}
.ust-panel{position:absolute;left:0;top:calc(100% + 8px);width:min(440px,90vw);padding:6px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-lg);display:none}
.ust-kat.acik .ust-panel{display:grid;gap:2px}
.ust-panel a{display:flex;align-items:center;gap:12px;padding:8px;border-radius:6px;text-decoration:none}
.ust-panel a:hover{background:var(--secondary)}
.ust-panel b{display:block;color:var(--fg);font-size:14px;font-weight:500}
.ust-panel small{color:var(--muted);font-size:12px}
.ust-panel .tumu{justify-content:center;margin-top:4px;border-top:1px solid var(--border);border-radius:0 0 6px 6px;padding-top:10px;color:var(--fg);font-weight:500}
.ust-panel .tumu .ik{width:14px}
.ust-ara{flex:1;max-width:340px;position:relative;margin-left:auto}
.ust-ara input{width:100%;height:36px;padding:0 12px 0 34px;border:1px solid var(--input);border-radius:var(--r);background:var(--bg);font-size:14px;box-shadow:var(--sh-xs);transition:border-color .15s ease,box-shadow .15s ease}
.ust-ara input::placeholder{color:var(--muted)}
.ust-ara input:focus{outline:0;border-color:#a1a1aa;box-shadow:0 0 0 3px var(--ring)}
.ust-ara .ik{position:absolute;left:11px;top:50%;translate:0 -50%;width:15px;height:15px;color:var(--muted)}
.ust-sag{display:flex;align-items:center;gap:8px}
.ust-tel{display:inline-flex;align-items:center;gap:6px;padding:0 8px;color:var(--text);font-weight:500;font-size:13px;text-decoration:none;white-space:nowrap}
.ust-tel:hover{color:var(--fg)}
.ust-dugme{display:none;place-items:center;width:36px;height:36px;border:0;border-radius:var(--r);background:transparent;color:var(--fg)}
.ust-dugme:hover{background:var(--secondary)}
.ust-dugme .ik{width:20px;height:20px}
.ust-dugme .kapa,.ust-dugme[aria-expanded="true"] .ac{display:none}
.ust-dugme[aria-expanded="true"] .kapa{display:block}
.cekmece{display:none}
@media (max-width:1100px){.ust-tel{display:none}}
@media (max-width:900px){
  .ust-kat,.ust-ara,.ust-sag{display:none}
  .ust-dugme{display:grid}
  .ust-dugme.ilk{margin-left:auto}
  .cekmece{position:fixed;inset:57px 0 0;z-index:39;overflow:auto;padding:16px var(--pad) 32px;background:var(--bg)}
  .cekmece.acik{display:block}
  .cekmece form{position:relative}
  .cekmece input{width:100%;height:40px;padding:0 12px 0 36px;border:1px solid var(--input);border-radius:var(--r);font-size:16px}
  .cekmece form .ik{position:absolute;left:12px;top:50%;translate:0 -50%;color:var(--muted)}
  .cekmece h3{margin:20px 0 4px;font-size:12px;font-weight:500;color:var(--muted)}
  .cekmece nav a{display:flex;align-items:center;justify-content:space-between;height:40px;padding:0 8px;margin-inline:-8px;border-radius:var(--r);color:var(--fg);font-weight:500;font-size:15px;text-decoration:none}
  .cekmece nav a:active{background:var(--secondary)}
  .cekmece nav a .ik{color:var(--muted)}
  .cek-alt{display:grid;gap:8px;margin-top:20px}
  body.cekmece-acik{overflow:hidden}
}

/* ---------- hero ---------- */
.giris{background:radial-gradient(800px 320px at 80% 0,#f3f0ff 0,transparent 70%),var(--bg)}
.giris-ic{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;padding-block:clamp(40px,6vw,72px)}
.giris h1{font-size:clamp(30px,4vw,44px);font-weight:700;letter-spacing:-.035em;line-height:1.1}
.giris h1 em{font-style:normal;color:var(--brand)}
.giris .alt-baslik{margin-top:12px;font-size:16px;color:var(--muted);max-width:52ch}
.arama{display:flex;gap:8px;margin-top:24px;max-width:520px}
.arama label{flex:1;position:relative;display:flex;align-items:center}
.arama label .ik{position:absolute;left:12px;color:var(--muted)}
.arama input{width:100%;height:40px;padding:0 12px 0 36px;border:1px solid var(--input);border-radius:var(--r);background:var(--bg);font-size:14px;color:var(--fg);box-shadow:var(--sh-xs)}
.arama input:focus{outline:0;border-color:#a1a1aa;box-shadow:0 0 0 3px var(--ring)}
.arama .btn{height:40px}
.populer{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:14px;font-size:13px;color:var(--muted)}
.populer a{padding:2px 10px;border:1px solid var(--border);border-radius:999px;color:var(--fg);font-weight:500;text-decoration:none;background:var(--bg)}
.populer a:hover{background:var(--secondary)}
.guven{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:28px}
.guven li{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);line-height:1.35}
.guven b{display:block;color:var(--fg);font-size:15px;font-weight:600}
.guven .ik{width:32px;height:32px;padding:7px;border:1px solid var(--border);border-radius:var(--r);color:var(--fg)}
.giris-gorsel{position:relative;display:grid;gap:4px;padding:12px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg);box-shadow:var(--sh-lg)}
.giris-kart{display:flex;align-items:center;gap:12px;padding:8px;border-radius:var(--r);text-decoration:none}
.giris-kart:hover{background:var(--secondary)}
.giris-kart .kapak{width:88px;flex:none;border-radius:6px;aspect-ratio:4/3}
.giris-kart .kapak-tur{display:none}
.giris-kart b{display:block;color:var(--fg);font-size:14px;font-weight:500;line-height:1.35}
.giris-kart small{display:flex;gap:8px;margin-top:2px;color:var(--muted);font-size:12px}
.giris-rozet{display:flex;align-items:center;gap:6px;padding:2px 8px 4px;color:var(--muted);font-size:12px;font-weight:500}
.giris-rozet .ik{width:14px;height:14px}
@media (max-width:960px){.giris-ic{grid-template-columns:1fr;padding-bottom:32px}.giris-gorsel{display:none}}
@media (max-width:560px){
  .guven{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:24px}
  .guven li{display:block;padding:10px 12px;border:1px solid var(--border);border-radius:var(--r);font-size:12px}
  .guven li>.ik,.guven a>.yildizlar{display:none}
  .guven a{display:block}
  .guven b{font-size:14px}
}
@media (max-width:480px){.arama{flex-direction:column}.arama .btn{width:100%}}

/* ---------- features strip ---------- */
.ozellik{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.ozellik li{display:flex;gap:12px;align-items:flex-start}
.ozellik .ik{width:36px;height:36px;padding:9px;border-radius:var(--r);background:var(--brand-soft);color:var(--brand)}
.ozellik b{display:block;color:var(--fg);font-size:14px;font-weight:600}
.ozellik span{font-size:13px;color:var(--muted)}
@media (max-width:1000px){.ozellik{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ozellik{grid-template-columns:1fr;gap:18px}}

/* ---------- category tiles ---------- */
.kategoriler{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.kategoriler a{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--border);border-radius:var(--r-lg);text-decoration:none;transition:background-color .15s ease}
.kategoriler a:hover{background:var(--muted-bg)}
.kat-ik{display:grid;place-items:center;width:36px;height:36px;flex:none;border-radius:var(--r);color:var(--k1);background:var(--k1s)}
.kat-ik .ik{width:18px;height:18px}
.kategoriler b{display:block;color:var(--fg);font-size:14px;font-weight:500}
.kategoriler small{color:var(--muted);font-size:12px}
.kategoriler .ik-sag{margin-left:auto;color:var(--muted)}

/* ---------- course cards ---------- */
.kartlar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.kart a{display:flex;flex-direction:column;height:100%;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg);box-shadow:var(--sh-xs);overflow:hidden;text-decoration:none;transition:box-shadow .15s ease,border-color .15s ease}
.kart a:hover{border-color:#d4d4d8;box-shadow:var(--sh-md)}
.kapak{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--secondary)}
.kapak img{width:100%;height:100%;object-fit:cover}
.kapak-cizim{display:grid;place-items:center;background:linear-gradient(135deg,var(--k1s),var(--k2s));color:var(--k1)}
.kapak .kapak-ik{width:34%;height:auto;aspect-ratio:1;max-width:64px;stroke-width:1.5}
.kapak-tur{position:absolute;left:10px;top:10px;border-color:transparent;background:rgba(255,255,255,.9)}
.kart-ic{display:flex;flex-direction:column;flex:1;padding:14px 16px 16px}
.kart-etiket{align-self:flex-start;border-color:var(--ok-line);background:var(--ok-soft);color:var(--ok)}
.kart h3{margin-top:8px;font-size:15px;font-weight:600;line-height:1.35;letter-spacing:-.01em}
.kart-meta{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:6px;color:var(--muted);font-size:12px}
.kart-meta span{display:inline-flex;align-items:center;gap:4px}
.kart-meta .ik{width:13px;height:13px}
.kart-fiyat{display:flex;align-items:baseline;gap:6px;margin-top:auto;padding-top:12px}
.kart-meta+.kart-fiyat{margin-top:4px}
.kart-fiyat b{color:var(--fg);font-size:15px;font-weight:600}
.kart-fiyat s{color:var(--muted);font-size:12px}
.kart-fiyat .fiyat-sor{color:var(--text);font-size:13px;font-weight:500}
@media (max-width:1100px){.kartlar{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:820px){.kartlar{grid-template-columns:1fr 1fr;gap:12px}}
@media (max-width:520px){
  .kartlar{grid-template-columns:1fr;gap:10px}
  .kart a{flex-direction:row}
  .kart .kapak{width:104px;flex:none;aspect-ratio:auto;min-height:100%}
  .kart .kapak-tur{display:none}
  .kart .kapak .kapak-ik{width:40%}
  .kart-ic{padding:12px 14px}
  .kart-etiket{padding:1px 6px;font-size:11px}
  .kart h3{margin-top:6px;font-size:14px}
  .kart-fiyat{padding-top:8px}
}

/* ---------- how it works / certificate ---------- */
.adimlar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;counter-reset:adim}
.adimlar li{padding:20px;border:1px solid var(--border);border-radius:var(--r-lg)}
.adimlar li::before{counter-increment:adim;content:counter(adim);display:grid;place-items:center;width:28px;height:28px;margin-bottom:12px;border-radius:6px;background:var(--secondary);color:var(--fg);font-weight:600;font-size:13px}
.adimlar h3{font-size:15px}
.adimlar p{margin-top:4px;color:var(--muted);font-size:13px}
@media (max-width:640px){.adimlar{grid-template-columns:1fr}}
.serti{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:40px;align-items:center;padding:clamp(24px,4vw,40px);border-radius:var(--r-lg);background:var(--primary);color:#a1a1aa}
.serti h2{color:#fafafa;font-size:clamp(20px,2.2vw,26px)}
.serti p{margin-top:8px;max-width:48ch}
.serti ul{display:grid;gap:8px;margin-top:16px;padding:0;list-style:none;color:#e4e4e7}
.serti li{display:flex;gap:8px;align-items:center}
.serti li .ik{color:#4ade80}
.serti .btn{margin-top:22px;background:#fafafa;color:var(--fg)}
.serti .btn:hover{background:#e4e4e7}
.belge{position:relative;padding:24px;border-radius:var(--r);background:#fff;color:var(--fg);box-shadow:0 20px 40px rgba(0,0,0,.35)}
.belge::before{content:"";position:absolute;inset:8px;border:1px solid var(--border);border-radius:4px;pointer-events:none}
.belge small{display:block;color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.08em;text-transform:uppercase}
.belge strong{display:block;margin-top:10px;font-size:22px;font-weight:600;letter-spacing:-.02em}
.belge p{margin-top:4px;color:var(--muted);font-size:13px}
.belge-alt{display:flex;justify-content:space-between;align-items:end;margin-top:20px;font-size:12px;color:var(--muted)}
.belge-alt svg.logo{width:96px;margin-bottom:4px;color:var(--fg)}
.belge-muhur{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--brand-soft);color:var(--brand)}
.belge-muhur .ik{width:22px;height:22px}
@media (max-width:900px){.serti{grid-template-columns:1fr}}

/* ---------- faq (accordion) ---------- */
.sss details{border-bottom:1px solid var(--border)}
.sss summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;color:var(--fg);font-weight:500;font-size:14px;cursor:pointer;list-style:none}
.sss summary:hover{text-decoration:underline;text-underline-offset:4px}
.sss summary::-webkit-details-marker{display:none}
.sss summary .ik{color:var(--muted);transition:transform .2s ease}
.sss details[open] summary .ik{transform:rotate(180deg)}
.sss details p{padding:0 0 14px;color:var(--muted)}
.sss-iki{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:40px}
.sss-iki .bolum-bas{flex-direction:column;align-items:flex-start}
@media (max-width:900px){.sss-iki{grid-template-columns:1fr;gap:4px}}

/* ---------- call to action band ---------- */
.cta{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:24px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--muted-bg)}
.cta h2{font-size:18px}
.cta p{margin-top:2px;color:var(--muted)}
.cta-dugme{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- page head (inner pages) ---------- */
.sayfa-bas{background:var(--muted-bg)}
.sayfa-bas .ic{padding-block:28px}
.sayfa-bas h1{font-size:clamp(24px,2.6vw,30px);font-weight:700;letter-spacing:-.03em}
.sayfa-bas p{margin-top:6px;color:var(--muted);max-width:64ch}
.iz{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:10px;color:var(--muted);font-size:13px}
.iz a{text-decoration:none}
.iz a:hover{color:var(--fg)}
.iz .ik{width:13px;height:13px}

/* ---------- catalog ---------- */
.katalog{display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px;align-items:start}
.filtre{position:sticky;top:76px}
.filtre h2{margin:0 0 6px 8px;font-size:12px;font-weight:500;color:var(--muted)}
.filtre form{position:relative;margin-bottom:20px}
.filtre input{width:100%;height:36px;padding:0 10px 0 32px;border:1px solid var(--input);border-radius:var(--r);font-size:14px;box-shadow:var(--sh-xs)}
.filtre input:focus{outline:0;border-color:#a1a1aa;box-shadow:0 0 0 3px var(--ring)}
.filtre form .ik{position:absolute;left:10px;top:50%;translate:0 -50%;width:14px;height:14px;color:var(--muted)}
.filtre nav{display:grid;gap:1px}
.filtre nav a{display:flex;align-items:center;justify-content:space-between;height:34px;padding:0 8px;border-radius:6px;color:var(--text);font-weight:500;font-size:14px;text-decoration:none}
.filtre nav a span{color:var(--muted);font-size:12px}
.filtre nav a:hover{background:var(--secondary);color:var(--fg)}
.filtre nav a[aria-current]{background:var(--secondary);color:var(--fg)}
.katalog-ust{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;color:var(--muted);font-size:13px}
.katalog-ust a{color:var(--fg);font-weight:500}
.katalog .kartlar{grid-template-columns:repeat(3,minmax(0,1fr))}
.bos{padding:32px 20px;text-align:center;border:1px dashed var(--border);border-radius:var(--r-lg)}
.bos p{margin:0 auto 14px;max-width:46ch;color:var(--muted)}
.kat-cip{display:none}
@media (max-width:1000px){.katalog .kartlar{grid-template-columns:1fr 1fr}}
@media (max-width:820px){
  .katalog{grid-template-columns:1fr;gap:0}
  .filtre{position:static}
  .filtre h2,.filtre nav{display:none}
  .filtre form{margin-bottom:12px}
  .kat-cip{display:flex;gap:6px;overflow-x:auto;margin:0 calc(var(--pad) * -1) 14px;padding:0 var(--pad) 2px;scrollbar-width:none}
  .kat-cip a{flex:none;height:32px;display:inline-flex;align-items:center;gap:6px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r);color:var(--fg);font-weight:500;font-size:13px;text-decoration:none}
  .kat-cip a span{color:var(--muted)}
  .kat-cip a[aria-current]{background:var(--primary);border-color:var(--primary);color:var(--primary-fg)}
  .kat-cip a[aria-current] span{color:#a1a1aa}
}
@media (max-width:520px){.katalog .kartlar{grid-template-columns:1fr}}

/* ---------- course page ---------- */
.ders-bas{background:var(--muted-bg)}
.ders-bas .ic{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;padding-block:28px 32px}
.ders-bas h1{font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.03em}
.ders-bas .ozet{margin-top:8px;font-size:15px;max-width:64ch}
.ders-rozet{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.ders-rozet .ik{color:var(--muted)}
.ders-govde .ic{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start;padding-block:32px}
.ders-sol{display:grid;gap:16px;min-width:0}
.ders-sag{align-self:stretch}
.satin{position:sticky;top:76px;margin-top:-190px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg);box-shadow:var(--sh-lg);overflow:hidden}
.satin .kapak{aspect-ratio:16/9;border-bottom:1px solid var(--border)}
.satin-ic{padding:18px}
.satin-fiyat{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.satin-fiyat b{color:var(--fg);font-size:26px;font-weight:700;letter-spacing:-.02em}
.satin-fiyat s{color:var(--muted);font-size:13px}
.satin-fiyat .indirim{border-color:var(--err-line);background:var(--err-soft);color:var(--err)}
.satin-fiyat .fiyat-sor{font-size:18px}
.satin-not{margin-top:2px;color:var(--muted);font-size:13px}
.satin .dugmeler{display:grid;gap:8px;margin-top:14px}
.satin ul{display:grid;gap:8px;margin-top:18px;padding:0;list-style:none;font-size:13px}
.satin li{display:flex;gap:8px;align-items:flex-start}
.satin li .ik{margin-top:2px;width:14px;height:14px;color:var(--muted)}
.kutu{padding:20px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg)}
.kutu>h2{font-size:16px;margin-bottom:12px}
.kutu p+p{margin-top:10px}
.kazan{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}
.kazan li{display:flex;gap:8px;align-items:flex-start}
.kazan .ik{margin-top:3px;width:14px;height:14px;color:var(--ok)}
@media (max-width:700px){.kazan{grid-template-columns:1fr}}
.program-ust{margin:-6px 0 12px;color:var(--muted);font-size:13px}
.unite{border:1px solid var(--border);border-radius:var(--r);overflow:hidden}
.unite+.unite{margin-top:6px}
.unite summary{display:flex;align-items:center;gap:10px;padding:10px 12px;color:var(--fg);font-weight:500;cursor:pointer;list-style:none}
.unite summary:hover{background:var(--muted-bg)}
.unite summary::-webkit-details-marker{display:none}
.unite summary .ik{color:var(--muted);transition:transform .15s ease}
.unite[open] summary{border-bottom:1px solid var(--border);background:var(--muted-bg)}
.unite[open] summary .ik{transform:rotate(180deg)}
.unite summary small{margin-left:auto;color:var(--muted);font-weight:400;font-size:12px;white-space:nowrap}
.unite ol{padding:2px 12px}
.unite li{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:13px}
.unite li .ik{color:var(--muted);width:14px;height:14px}
.unite li .sure{margin-left:auto;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.egitmen{display:flex;gap:12px;align-items:flex-start}
.egitmen+.egitmen{margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}
.egitmen img,.egitmen .bas-harf{width:48px;height:48px;flex:none;border-radius:50%;object-fit:cover}
.bas-harf{display:grid;place-items:center;background:var(--secondary);color:var(--fg);font-weight:600;font-size:16px}
.egitmen h3{font-size:14px}
.egitmen .unvan{color:var(--muted);font-size:13px}
.egitmen p:last-child{margin-top:6px}
.liste-tik{display:grid;gap:8px}
.liste-tik li{display:flex;gap:8px;align-items:flex-start}
.liste-tik .ik{margin-top:3px;width:14px;height:14px;color:var(--muted)}
.kutu .sss details:last-child{border-bottom:0}
.mobil-satin{display:none}
@media (max-width:1000px){
  .ders-bas .ic,.ders-govde .ic{grid-template-columns:1fr}
  .ders-sag{order:-1}
  .satin{position:static;margin-top:0;box-shadow:var(--sh-xs)}
}
@media (min-width:640px) and (max-width:1000px){
  .satin{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
  .satin .kapak{aspect-ratio:auto;height:100%;min-height:220px;border-bottom:0;border-right:1px solid var(--border)}
}
@media (max-width:1000px){
  .mobil-satin{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;align-items:center;gap:12px;padding:10px var(--pad) calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-top:1px solid var(--border)}
  .mobil-satin b{color:var(--fg);font-size:16px;font-weight:700}
  .mobil-satin small{display:block;max-width:44vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:12px}
  .mobil-satin .btn{margin-left:auto}
  body.ders-sayfa{padding-bottom:64px}
}

/* ---------- forms ---------- */
.form{display:grid;gap:14px}
.alan label{display:block;margin-bottom:6px;color:var(--fg);font-weight:500;font-size:14px}
.alan label small{color:var(--muted);font-weight:400}
.alan input,.alan select,.alan textarea{width:100%;height:36px;padding:0 12px;border:1px solid var(--input);border-radius:var(--r);background:var(--bg);font-size:14px;color:var(--fg);box-shadow:var(--sh-xs);transition:border-color .15s ease,box-shadow .15s ease;-webkit-appearance:none;appearance:none}
.alan textarea{height:auto;min-height:88px;padding:8px 12px;resize:vertical}
.alan select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath fill='none' stroke='%2371717a' stroke-width='1.5' d='m1 1 4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.alan input::placeholder,.alan textarea::placeholder{color:var(--muted)}
.alan input:focus,.alan select:focus,.alan textarea:focus{outline:0;border-color:#a1a1aa;box-shadow:0 0 0 3px var(--ring)}
.alan input:disabled{background:var(--muted-bg);color:var(--muted);cursor:not-allowed}
@media (max-width:640px){.alan input,.alan select,.alan textarea,.ust-ara input,.filtre input,.arama input{font-size:16px}}
.onay{display:grid;grid-template-columns:16px 1fr;gap:8px;font-size:13px;line-height:1.5}
.onay input{width:16px;height:16px;margin:2px 0 0;accent-color:var(--primary)}
.onay a{color:var(--fg);font-weight:500;text-underline-offset:3px}
.durum{padding:10px 12px;border:1px solid;border-radius:var(--r);font-size:13px;font-weight:500}
.durum.ok{border-color:var(--ok-line);background:var(--ok-soft);color:var(--ok)}
.durum.hata{border-color:var(--err-line);background:var(--err-soft);color:var(--err)}
.kutu .durum{margin-bottom:12px}
.gizli-alan{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- member pages ---------- */
.uye{display:grid;place-items:start center;padding:clamp(32px,6vw,64px) var(--pad) 0}
.uye-kart{width:min(100%,400px);padding:24px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg);box-shadow:var(--sh-xs)}
.uye-kart h1{font-size:20px}
.uye-kart>p{margin-top:4px;margin-bottom:20px;color:var(--muted)}
.uye-kart .durum{margin-bottom:14px}
.uye-alt{margin-top:18px;text-align:center;font-size:13px;color:var(--muted)}
.uye-alt a{color:var(--fg);font-weight:500;text-decoration:underline;text-underline-offset:4px}
.sifre-unut{justify-self:end;margin-top:-8px;font-size:13px;color:var(--muted);text-decoration:none}
.sifre-unut:hover{color:var(--fg);text-decoration:underline;text-underline-offset:4px}
.panel{display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px;align-items:start}
.panel-menu{position:sticky;top:76px;display:grid;gap:1px}
.panel-kim{display:flex;align-items:center;gap:10px;padding:0 8px 12px;margin-bottom:6px;border-bottom:1px solid var(--border)}
.panel-kim .bas-harf{width:32px;height:32px;font-size:13px;flex:none;border-radius:50%}
.panel-kim b{display:block;color:var(--fg);font-size:13px;font-weight:500;line-height:1.3}
.panel-kim small{color:var(--muted);font-size:12px;word-break:break-all}
.panel-menu a,.panel-menu button{display:flex;align-items:center;gap:8px;width:100%;height:34px;padding:0 8px;border:0;border-radius:6px;background:none;color:var(--text);font-weight:500;font-size:14px;text-decoration:none;text-align:left}
.panel-menu a:hover,.panel-menu button:hover{background:var(--secondary);color:var(--fg)}
.panel-menu .ik{color:var(--muted)}
.panel-icerik{display:grid;gap:16px;min-width:0}
.panel-iki{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:900px){
  .panel{grid-template-columns:1fr;gap:16px}
  .panel-menu{position:static;display:flex;gap:4px;overflow-x:auto;margin-inline:calc(var(--pad) * -1);padding:0 var(--pad);scrollbar-width:none}
  .panel-kim{display:none}
  .panel-menu a,.panel-menu button{width:auto;flex:none;padding:0 12px;border:1px solid var(--border)}
}
@media (max-width:640px){.panel-iki{grid-template-columns:1fr}}

/* ---------- contact ---------- */
.iletisim{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:24px;align-items:start}
.iletisim-bilgi{border:1px solid var(--border);border-radius:var(--r-lg)}
.bilgi{display:flex;gap:12px;align-items:flex-start;padding:14px 16px}
.bilgi+.bilgi{border-top:1px solid var(--border)}
.bilgi>.ik{margin-top:2px;color:var(--muted)}
.bilgi h2{font-size:14px}
.bilgi p{margin-top:2px;font-size:13px;color:var(--muted)}
.bilgi a{color:var(--fg);font-weight:500;text-underline-offset:3px}
.harita iframe{display:block;width:100%;height:clamp(280px,32vw,380px);border:1px solid var(--border);border-radius:var(--r-lg);background:var(--muted-bg)}
@media (max-width:900px){.iletisim{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.alt{margin-top:clamp(40px,6vw,64px);border-top:1px solid var(--border);background:var(--muted-bg);color:var(--muted);font-size:13px}
.alt-ic{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:32px;padding-block:40px 28px}
.alt-logo{display:inline-block;color:var(--fg)}
.alt-logo svg{width:120px}
.alt p{margin-top:10px;max-width:34ch}
.alt h2{margin-bottom:10px;color:var(--fg);font-size:13px;font-weight:600}
.alt ul{display:grid;gap:6px;padding:0;list-style:none}
.alt a{text-decoration:none}
.alt a:hover{color:var(--fg)}
.alt-iletisim{display:grid;gap:6px;margin-top:14px}
.alt-iletisim a,.alt-iletisim span{display:flex;gap:8px;align-items:flex-start}
.alt-iletisim .ik{margin-top:2px;width:14px;height:14px}
.alt-dip{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-block:16px;border-top:1px solid var(--border);font-size:12px}
.alt-dip nav{display:flex;flex-wrap:wrap;gap:16px}
@media (max-width:900px){.alt-ic{grid-template-columns:1fr 1fr}.alt-marka{grid-column:1/-1}}
@media (max-width:520px){.alt-ic{gap:24px}}

/* chat widget (info-akademi's) in neutral colours */
html:root{--ia-chat-blue:#18181b;--ia-chat-blue-dark:#09090b;--ia-chat-ink:#09090b;--ia-chat-soft:#fafafa}
@media (max-width:1000px){body.ders-sayfa .ia-chat-launcher{bottom:78px!important}}
@media (max-width:639px){.satin .kapak{display:none}}

/* ---------- home: stars, sliders, reviews, advantages, partners ---------- */
.yildizlar{display:inline-flex;gap:1px;color:#f59e0b}
.yildizlar .ik{width:14px;height:14px;fill:currentColor;stroke:currentColor}
.guven a{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none}
.guven a .yildizlar{display:grid;grid-template-columns:repeat(5,auto);place-content:center;width:auto;height:32px;padding:0 8px;border:1px solid var(--border);border-radius:var(--r)}
.guven a .yildizlar .ik{width:11px;height:11px;padding:0;border:0}
.btn-ikon{width:32px;height:32px;padding:0}
.serit-dugme{display:flex;align-items:center;gap:6px}
.serit-dugme .link-ok{margin-right:8px}
.serit{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px) / 4);grid-template-columns:none;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;padding:2px;margin:-2px}
.serit::-webkit-scrollbar{display:none}
.serit>li{scroll-snap-align:start}
@media (max-width:1100px){.serit{grid-auto-columns:calc((100% - 32px) / 3)}}
@media (max-width:820px){.serit{grid-auto-columns:calc((100% - 12px) / 2.15);gap:12px}}
@media (max-width:520px){
  .serit{grid-auto-columns:78%;margin-inline:calc(var(--pad) * -1);padding-inline:var(--pad);scroll-padding-inline:var(--pad)}
  .serit .kart a{flex-direction:column}
  .serit .kart .kapak{width:auto;aspect-ratio:16/9;min-height:0}
  .serit .kart .kapak-tur{display:inline-flex}
  .serit-dugme .btn-ikon{display:none}
}
.yorum-alan{display:grid;grid-template-columns:220px minmax(0,1fr);gap:16px;align-items:stretch}
.puan-kart{display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:20px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--muted-bg);color:var(--muted);font-size:13px;text-decoration:none}
.puan-kart:hover{border-color:#d4d4d8}
.puan-g{display:grid;place-items:center;width:32px;height:32px;margin-bottom:6px;border-radius:50%;background:#fff;border:1px solid var(--border);color:#4285f4;font-weight:700}
.puan-kart b{color:var(--fg);font-size:36px;font-weight:700;line-height:1;letter-spacing:-.03em}
.puan-kart .link-ok{margin-top:auto;padding-top:12px;font-size:13px}
.puan-kart .link-ok .ik{width:13px;height:13px}
.yorumlar{grid-auto-columns:calc((100% - 32px) / 3)}
.yorum{display:flex;flex-direction:column;gap:10px;padding:18px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg)}
.yorum p{display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden;color:var(--text);font-size:13px}
.yorum-kim{display:flex;align-items:center;gap:10px;margin-top:auto}
.yorum-kim .bas-harf{width:32px;height:32px;border-radius:50%;font-size:13px}
.yorum-kim b{display:block;color:var(--fg);font-size:13px;font-weight:500;line-height:1.3}
.yorum-kim small{color:var(--muted);font-size:12px}
@media (max-width:1000px){.yorum-alan{grid-template-columns:1fr}.puan-kart{flex-direction:row;flex-wrap:wrap;align-items:center;gap:8px 12px}.puan-g{margin:0}.puan-kart b{font-size:24px}.puan-kart .link-ok{margin:0 0 0 auto;padding:0}.yorumlar{grid-auto-columns:calc((100% - 16px) / 2)}}
@media (max-width:520px){.yorumlar{grid-auto-columns:82%}}
.avantaj{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:12px}
.avantaj li{display:flex;flex-direction:column;gap:2px;padding:18px;border:1px solid var(--border);border-radius:var(--r-lg)}
.avantaj .ik{width:20px;height:20px;margin-bottom:10px;color:var(--brand)}
.avantaj b{color:var(--fg);font-size:14px;font-weight:600}
.avantaj span{color:var(--muted);font-size:13px}
@media (max-width:900px){.avantaj{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.avantaj li{padding:14px}.avantaj .ik{margin-bottom:6px}}
@media (max-width:340px){.avantaj{grid-template-columns:1fr}}
.partnerler{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.partnerler li{display:grid;place-items:center;height:80px;padding:16px;border:1px solid var(--border);border-radius:var(--r-lg)}
.partnerler img{max-height:40px;width:auto;filter:grayscale(1);opacity:.7;transition:filter .15s ease,opacity .15s ease}
.partnerler li:hover img{filter:none;opacity:1}
.orta{margin-top:20px;text-align:center}
.orta .btn{display:inline-flex}
@media (max-width:560px){.guven a>.yildizlar{display:none}.guven a{display:block}}