/* ==========================================================================
   Anasayfa kart (bento) bölümleri — tanıtım, kategori, hazır çözüm, danışma
   ========================================================================== */

:root{--bt-r:22px;--bt-r-k:16px}

/* ortak parçalar */
.bt-hap{
  display:inline-flex;align-items:center;gap:7px;min-height:32px;padding:0 14px;border-radius:999px;
  font:600 12.5px/1 var(--tetik-font);letter-spacing:.01em;white-space:nowrap;
  background:var(--tetik-ink);color:#fff;text-decoration:none;
}
.bt-hap--acik{background:var(--tetik-accent);color:#fff;min-height:40px;padding:0 18px;font-size:13.5px}
.bt-hap--cam{
  background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.45);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.bt-yuvarlak{
  position:absolute;right:16px;bottom:16px;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;background:var(--tetik-ink);color:#fff;
  transition:background .3s,transform .4s cubic-bezier(.22,1,.36,1);
}
.bt-yuvarlak--beyaz{background:#fff;color:var(--tetik-ink)}
a:hover > .bt-yuvarlak{background:var(--tetik-accent);color:#fff;transform:rotate(45deg)}
.bt-dugme{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;border:0;cursor:pointer;
  background:var(--tetik-ink);color:#fff;font:700 14px/1 var(--tetik-font);text-decoration:none;transition:background .25s;
}
.bt-dugme:hover{background:var(--tetik-accent);color:#fff}
.bt-dugme--tam{width:100%;background:var(--tetik-accent)}
.bt-dugme--tam:hover{background:var(--tetik-accent-dark)}

/* --- 1. tanıtım kartları ------------------------------------------- */
.bt-bento{padding:clamp(20px,2.4vw,32px) 0 0}
.bt-bento__izgara{display:grid;grid-template-columns:1.9fr 1fr 1fr 1fr;gap:12px}
.bt-kart{
  position:relative;display:flex;flex-direction:column;min-height:270px;padding:22px;border-radius:var(--bt-r);
  overflow:hidden;text-decoration:none;color:var(--tetik-ink);background:#ECE8E1;
  transition:transform .4s cubic-bezier(.22,1,.36,1),box-shadow .4s;
}
.bt-kart:hover{transform:translateY(-4px);box-shadow:0 26px 40px -28px rgba(21,29,39,.45)}
.bt-kart__baslik{font:600 21px/1.12 var(--tetik-font-display);letter-spacing:-.01em}
.bt-kart__yazi{margin-top:8px;font-size:14px;line-height:1.5;color:var(--tetik-muted);max-width:280px}
.bt-kart__ust{font:700 11px var(--tetik-font);letter-spacing:.14em;text-transform:uppercase;color:var(--tetik-accent)}
.bt-kart__buyuk{margin-top:auto;font:600 clamp(36px,3.4vw,50px)/1 var(--tetik-font-display);letter-spacing:-.03em}

.bt-kart--genis{flex-direction:row;padding:0;background:var(--tetik-ink);color:#fff}
.bt-kart--genis .bt-kart__gorsel{flex:0 0 44%;position:relative}
.bt-kart--genis .bt-kart__gorsel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bt-kart--genis .bt-kart__metin{display:flex;flex-direction:column;padding:24px 24px 22px}
.bt-kart--genis .bt-kart__yazi{color:rgba(255,255,255,.68)}
.bt-kart--genis .bt-hap{margin-top:auto;align-self:flex-start}

.bt-kart--sayi{background:#fff;box-shadow:inset 0 0 0 1px var(--tetik-line)}
.bt-kart--sayi .bt-kart__yazi{padding-right:48px}

.bt-kart--numune .bt-kart__baslik{margin-top:auto}
.bt-kart--numune .bt-kart__yazi{padding-right:48px}
.bt-numune{display:flex}
.bt-numune i{width:42px;height:42px;border-radius:50%;background:var(--r);border:3px solid #ECE8E1;margin-right:-12px;transition:transform .35s cubic-bezier(.22,1,.36,1)}
.bt-kart--numune:hover .bt-numune i{transform:translateX(calc(var(--i,0) * 1px))}
.bt-kart--numune:hover .bt-numune i:nth-child(2){transform:translateX(4px)}
.bt-kart--numune:hover .bt-numune i:nth-child(3){transform:translateX(8px)}
.bt-kart--numune:hover .bt-numune i:nth-child(4){transform:translateX(12px)}
.bt-kart--numune:hover .bt-numune i:nth-child(5){transform:translateX(16px)}
.bt-kart--numune:hover .bt-numune i:nth-child(6){transform:translateX(20px)}

.bt-kart--foto{padding:16px;background:var(--tetik-ink)}
.bt-kart--foto img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.22,1,.36,1)}
.bt-kart--foto:hover img{transform:scale(1.06)}
.bt-kart--foto .bt-hap{position:relative;align-self:flex-start;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.5);backdrop-filter:blur(10px)}

/* --- 2. kategoriler -------------------------------------------------- */
.bt-kategori{padding:0 0 clamp(84px,10vw,140px)}
.bt-kategori__izgara{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.bt-kat{
  position:relative;display:block;aspect-ratio:4/4.6;border-radius:var(--bt-r);overflow:hidden;
  background:var(--tetik-ink);color:#fff;text-decoration:none;isolation:isolate;
}
.bt-kat img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform 1s cubic-bezier(.22,1,.36,1)}
.bt-kat::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(21,29,39,.25) 0,transparent 26%,transparent 52%,rgba(21,29,39,.78) 100%)}
.bt-kat:hover img{transform:scale(1.05)}
.bt-kat__etiketler{position:absolute;top:16px;right:16px;left:16px;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}
.bt-kat__etiketler--sol{justify-content:flex-start}
.bt-kat__alt{position:absolute;left:20px;right:76px;bottom:20px;display:grid;gap:6px}
.bt-kat__ad{font:600 clamp(22px,2vw,28px)/1.05 var(--tetik-font-display);letter-spacing:-.015em}
.bt-kat__kisa{font-size:13.5px;line-height:1.45;color:rgba(255,255,255,.78);
  max-height:0;opacity:0;overflow:hidden;transition:max-height .45s ease,opacity .35s ease}
.bt-kat:hover .bt-kat__kisa,.bt-kat:focus-visible .bt-kat__kisa{max-height:60px;opacity:1}
.bt-kat .bt-yuvarlak{right:18px;bottom:18px}

/* --- 3. hazır çözüm -------------------------------------------------- */
.bt-cozum{padding:0 0 clamp(84px,10vw,140px)}
.bt-cozum__ana{position:relative;aspect-ratio:2/1;border-radius:var(--bt-r);overflow:hidden;background:var(--tetik-ink)}
.bt-cozum__ana > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 45%}
.bt-cozum__ad{position:absolute;top:20px;left:20px;z-index:2}
.bt-nokta{position:absolute;left:var(--x);top:var(--y);z-index:3}
.bt-nokta__dugme{
  position:relative;width:30px;height:30px;margin:-15px 0 0 -15px;border-radius:50%;border:0;padding:0;cursor:pointer;
  background:rgba(255,255,255,.35);backdrop-filter:blur(6px);display:grid;place-items:center;
}
.bt-nokta__dugme i{width:12px;height:12px;border-radius:50%;background:#fff;transition:background .25s,transform .25s}
.bt-nokta__dugme::before{content:"";position:absolute;inset:0;border-radius:50%;border:1.5px solid rgba(255,255,255,.8);animation:btNabiz 2.2s infinite}
.bt-nokta.is-acik .bt-nokta__dugme i,.bt-nokta__dugme:hover i{background:var(--tetik-accent);transform:scale(1.15)}
@keyframes btNabiz{0%{transform:scale(1);opacity:1}100%{transform:scale(1.9);opacity:0}}
.bt-nokta__kart{
  position:absolute;left:22px;top:-22px;min-width:190px;padding:12px 14px;border-radius:14px;background:#fff;color:var(--tetik-ink);
  box-shadow:0 18px 34px -16px rgba(21,29,39,.45);
  opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .25s,transform .3s,visibility 0s .3s;
}
.bt-nokta.is-acik .bt-nokta__kart{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.bt-nokta__kart strong{display:block;font:600 15px/1.2 var(--tetik-font-display)}
.bt-nokta__kart span{display:block;margin-top:3px;font-size:12.5px;color:var(--tetik-muted)}
.bt-cozum__liste{
  position:absolute;right:20px;bottom:20px;z-index:2;width:min(300px,40%);padding:18px;border-radius:18px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(12px);color:var(--tetik-ink);
}
.bt-cozum__liste-bas{margin:0 0 8px;font:600 17px var(--tetik-font-display)}
.bt-cozum__liste ul{list-style:none;margin:0 0 14px;padding:0}
.bt-cozum__liste li{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px solid var(--tetik-line);font-size:13px}
.bt-cozum__liste li span{color:var(--tetik-muted)}
.bt-cozum__liste .bt-dugme{width:100%}
.bt-cozum__kartlar{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.bt-kat--yatay{aspect-ratio:16/10}
.bt-kat--yatay::after{background:linear-gradient(180deg,rgba(21,29,39,.35) 0,transparent 40%)}

/* --- 4. danışma ------------------------------------------------------ */
.bt-danisma{padding:0 0 clamp(84px,10vw,140px);scroll-margin-top:100px}
.bt-danisma__kart{display:grid;grid-template-columns:1.25fr 1fr;gap:12px;padding:12px;border-radius:calc(var(--bt-r) + 8px);background:var(--tetik-ink)}
.bt-danisma__sol{position:relative;border-radius:var(--bt-r);overflow:hidden;min-height:520px;isolation:isolate;color:#fff;display:flex;align-items:flex-end}
.bt-danisma__sol img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.bt-danisma__sol::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(21,29,39,.15),rgba(21,29,39,.86) 70%)}
.bt-danisma__metin{padding:clamp(24px,3vw,40px)}
.bt-danisma__metin h2{margin:18px 0 12px;font:600 clamp(30px,3.4vw,46px)/1.02 var(--tetik-font-display);letter-spacing:-.025em;color:#fff;max-width:520px}
.bt-danisma__metin p{margin:0 0 22px;max-width:460px;color:rgba(255,255,255,.75);font-size:15.5px}
.bt-danisma__metin ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.bt-danisma__metin li{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:500}
.bt-danisma__metin li i{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--tetik-accent);color:#fff}

.bt-form{display:flex;flex-direction:column;gap:12px;padding:clamp(22px,2.6vw,34px);border-radius:var(--bt-r);background:#fff}
.bt-form__tuzak{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.bt-form__durum{margin:0;padding:12px 14px;border-radius:12px;font-size:14px;font-weight:600}
.bt-form__durum--ok{background:#E6F2EA;color:#22603A}
.bt-form__durum--err{background:#FBE9E1;color:#9A3B12}
.bt-alan{display:grid;gap:6px}
.bt-alan > span,.bt-secim legend{font:700 11px var(--tetik-font);letter-spacing:.12em;text-transform:uppercase;color:var(--tetik-muted)}
.bt-alan input,.bt-alan select{
  width:100%;min-height:50px;padding:0 16px;border-radius:14px;border:1px solid var(--tetik-line);background:var(--tetik-bg);
  font:500 15px var(--tetik-font);color:var(--tetik-ink);transition:border-color .2s,background .2s;
}
.bt-alan input:focus,.bt-alan select:focus{outline:none;border-color:var(--tetik-ink);background:#fff}
.bt-secim{border:0;margin:4px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.bt-secim legend{margin-bottom:8px;padding:0;width:100%}
.bt-secim label{position:relative;cursor:pointer}
.bt-secim input{position:absolute;opacity:0;pointer-events:none}
.bt-secim span{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--tetik-line);font-size:14px;font-weight:500;transition:all .2s}
.bt-secim input:checked + span{background:var(--tetik-ink);border-color:var(--tetik-ink);color:#fff}
.bt-secim input:focus-visible + span{outline:2px solid var(--tetik-accent);outline-offset:2px}
.bt-onay{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;line-height:1.5;color:var(--tetik-muted);margin-top:2px}
.bt-onay input{margin-top:3px;accent-color:var(--tetik-accent);width:16px;height:16px;flex:none}
.bt-onay a{color:var(--tetik-ink)}
.bt-form__alt{margin:0;text-align:center;font-size:13px;color:var(--tetik-muted)}
.bt-form__alt a{color:var(--tetik-ink);font-weight:700;text-decoration:none}

/* --- duyarlı --------------------------------------------------------- */
@media (max-width:1100px){
  .bt-bento__izgara{grid-template-columns:1fr 1fr}
  .bt-kart--genis{grid-column:1/-1}
  .bt-kategori__izgara{grid-template-columns:1fr 1fr}
  .bt-cozum__ana{aspect-ratio:16/10}
  .bt-danisma__kart{grid-template-columns:1fr}
  .bt-danisma__sol{min-height:420px}
}
@media (max-width:640px){
  .bt-bento__izgara{gap:10px}
  .bt-kart{min-height:220px;padding:18px}
  .bt-kart--genis{flex-direction:column;min-height:0}
  .bt-kart--genis .bt-kart__gorsel{flex:none;height:190px}
  .bt-kart--genis .bt-hap{margin-top:16px}
  .bt-kart__baslik{font-size:18px}
  .bt-kart--sayi,.bt-kart--numune{min-height:190px;padding-bottom:70px}
  .bt-kart__buyuk{font-size:clamp(26px,8vw,34px)}
  .bt-kart--numune .bt-kart__yazi,.bt-kart--sayi .bt-kart__yazi{display:none}
  .bt-kart--sayi .bt-yuvarlak,.bt-kart--numune .bt-yuvarlak{width:38px;height:38px;right:14px;bottom:14px}
  .bt-kart--foto{grid-column:1/-1;min-height:200px}
  .bt-numune i{width:32px;height:32px}
  .bt-kategori__izgara{grid-template-columns:1fr 1fr;gap:10px}
  .bt-kat{aspect-ratio:3/4;border-radius:var(--bt-r-k)}
  .bt-kat__etiketler{display:none}
  .bt-kat__alt{left:14px;right:14px;bottom:14px}
  .bt-kat__ad{font-size:18px}
  .bt-kat .bt-yuvarlak{width:36px;height:36px;top:12px;right:12px;bottom:auto}
  .bt-cozum__ana{aspect-ratio:4/5}
  .bt-cozum__ana > img{object-position:50% 50%}
  .bt-nokta{display:none}
  .bt-cozum__liste{left:12px;right:12px;bottom:12px;width:auto;padding:14px}
  .bt-cozum__kartlar{grid-template-columns:1fr;gap:10px}
  .bt-kat.bt-kat--yatay{aspect-ratio:16/10}
  .bt-kat--yatay .bt-kat__etiketler{display:flex}
  .bt-kat--yatay .bt-yuvarlak{top:auto;bottom:12px}
  .bt-danisma__kart{padding:8px;border-radius:var(--bt-r)}
  .bt-danisma__sol{min-height:380px;border-radius:var(--bt-r-k)}
  .bt-form{border-radius:var(--bt-r-k)}
}
@media (prefers-reduced-motion:reduce){
  .bt-nokta__dugme::before{animation:none}
}