/* ============ HERO ============ */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--slate);
  color:var(--bone);
  padding:calc(var(--u)*14) 0 calc(var(--u)*12);
  min-height:clamp(560px,66vh,760px);
  display:flex;align-items:center;
}
/* metin tarafını okunur kılan slate perdesi — sağ tarafta görsel açılıyor */
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(90deg,
      rgba(51,59,69,.78) 0%,
      rgba(51,59,69,.62) 36%,
      rgba(51,59,69,.24) 64%,
      rgba(51,59,69,0) 100%),
    linear-gradient(180deg, rgba(51,59,69,.30) 0%, rgba(51,59,69,0) 22%);
}
.hero .wrap{width:100%}
/* --- hero slider --- */
.hero__slides{position:absolute;inset:0;z-index:-2}
.hero__slide{
  position:absolute;inset:0;background:var(--slate) center 58% / cover no-repeat;
  opacity:0;transition:opacity 1.1s ease;
}
/* Panelden gelen slaytlar gorseli --hero-bg ile verir; mobilde --hero-bg-m varsa o kullanilir
   (Panel › Ana Sayfa Hero › Mobil Gorsel). Sablondaki sabit slaytlar bundan etkilenmez. */
.hero__slide[style*="--hero-bg"]{background-image:var(--hero-bg)}
.hero__slide--video{object-fit:cover;width:100%;height:100%}
.hero__slide.is-on{opacity:1}
.hero__dots{
  position:absolute;left:0;right:0;bottom:calc(var(--u)*4);z-index:3;
  display:flex;justify-content:center;gap:calc(var(--u)*1.5);
}
/* Buton 18px yuksekliginde — dokunma hedefi. Gorunen cubuk ::before,
   boylece ince kalirken parmakla da vurulabiliyor. */
.hero__dot{
  width:52px;height:18px;padding:0;border:0;background:none;cursor:pointer;
  display:flex;align-items:center;
}
.hero__dot::before{
  content:"";display:block;width:100%;height:4px;border-radius:2px;
  background:rgba(251,250,248,.5);
  /* hero gorseli acik da olabilir koyu da — golge her ikisinde de ayiriyor */
  box-shadow:0 1px 4px rgba(30,36,42,.55);
  transition:background .25s ease,height .25s ease;
}
.hero__dot:hover::before{background:rgba(251,250,248,.8)}
.hero__dot.is-on::before{background:var(--brass);height:6px}
.hero__dot:focus-visible{outline:2px solid var(--brass-l);outline-offset:3px}
@media (prefers-reduced-motion:reduce){.hero__slide{transition:none}}
.hero__tag{
  position:absolute;right:var(--pad);bottom:calc(var(--u)*3);z-index:2;
  font:700 13px/1.4 var(--f-label);letter-spacing:.14em;text-transform:uppercase;
  color:rgba(251,250,248,.62);text-align:right;
}
.hero h1{
  color:var(--bone);font-weight:800;
  font-size:clamp(44px,6.8vw,80px);line-height:1.04;letter-spacing:-.015em;
  margin:calc(var(--u)*3) 0 0;max-width:16ch;
}
.hero h1 em{font-style:normal;color:var(--brass-l)}
.hero .lede{color:rgba(251,250,248,.76);margin-top:calc(var(--u)*3)}
.hero__cta{display:flex;flex-wrap:wrap;gap:calc(var(--u)*2);margin-top:calc(var(--u)*5)}

/* ============ İKİ KAPI ============ */
.doors{background:var(--bone);border-top:1px solid var(--stone);border-bottom:1px solid var(--stone)}
.doors__grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.door{padding:calc(var(--u)*10) calc(var(--u)*6) calc(var(--u)*10) 0}
.door + .door{border-left:1px solid var(--stone);padding-left:calc(var(--u)*6)}
.door h2{margin-top:calc(var(--u)*2)}
.door > p{margin-top:calc(var(--u)*2);max-width:44ch;font-size:17px}
.door__list{margin-top:calc(var(--u)*4);border-top:1px solid var(--stone)}
.door__list a{
  display:flex;align-items:center;justify-content:space-between;gap:calc(var(--u)*2);
  padding:calc(var(--u)*1.75) 0;border-bottom:1px solid var(--stone);
  font-family:var(--f-disp);font-weight:700;font-size:19px;color:var(--slate);
  transition:padding-left .18s,color .18s;
}
.door__list a:hover{padding-left:var(--u);color:var(--brass-ink)}
.door__list a .lbl{display:flex;align-items:center;gap:calc(var(--u)*2);min-width:0}
.thumb{
  flex:0 0 auto;width:73px;height:50px;border-radius:8px;
  background:#F2EFEA center / cover no-repeat;
  border:1px solid var(--stone);
}
.door__list a:hover .thumb{border-color:var(--brass)}
.thumb--logo{
  background:#fff;display:flex;align-items:center;justify-content:center;
  font:700 11px/1 var(--f-label);letter-spacing:.14em;color:#A39A8E;
}
.door__list .sub{
  font:400 12px/1.4 var(--f-label);letter-spacing:.1em;text-transform:uppercase;
  color:var(--body);text-align:right;flex:0 0 auto;
}
.door__cta{margin-top:calc(var(--u)*4)}

/* ============ KANIT · GÖRSELLİ KARTLAR ============ */
.proof{background:#F4F2EE;border-top:1px solid var(--stone);padding:calc(var(--u)*12) 0}
.proof__head{max-width:52ch}
.proof__lbl{
  font:700 14px/1.4 var(--f-label);letter-spacing:.14em;text-transform:uppercase;
  color:var(--body);margin:calc(var(--u)*8) 0 calc(var(--u)*3);
}
.proof__lbl:first-of-type{margin-top:calc(var(--u)*7)}
/* 22.09.2026 — ana sayfa zincir basligi: "Why the chain matters" + "The chain" kaldirildi,
   alttaki satir bolum basligi oldu (musteri notu). */
.proof__lbl--head{font-size:17px;letter-spacing:.12em;color:var(--slate);margin-top:0}
.proof__lbl--head:first-of-type{margin-top:0}
.group{background:var(--bone);border-top:1px solid var(--stone);padding:calc(var(--u)*10) 0 calc(var(--u)*12)}
.group .proof__lbl{margin-top:0}

/* --- görselli kart --- */
.pcards{display:grid;gap:calc(var(--u)*2)}
.pcards--6{grid-template-columns:repeat(3,1fr)}
.pcards--4{grid-template-columns:repeat(4,1fr)}

.pcard{
  position:relative;isolation:isolate;overflow:hidden;border-radius:2px;
  min-height:340px;display:flex;flex-direction:column;justify-content:flex-end;
  padding:calc(var(--u)*3);color:var(--bone);cursor:pointer;background:var(--slate);
}
/* görsel ayrı katman — sadece bu ölçekleniyor */
.pcard__bg{
  position:absolute;inset:0;z-index:0;
  background:center / cover no-repeat;
  transform:scale(1);transform-origin:center;
  transition:transform .9s cubic-bezier(.22,.61,.36,1);
}
.pcard::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,
    rgba(51,59,69,0) 0%,
    rgba(51,59,69,0) 38%,
    rgba(51,59,69,.28) 56%,
    rgba(51,59,69,.72) 78%,
    rgba(51,59,69,.92) 100%);
  transition:opacity .45s ease;
}
.pcard > p,.pcard > h3,.pcard > .pcard__go{position:relative;z-index:2}
.pcard:hover .pcard__bg{transform:scale(1.05)}
.pcard:hover::after{opacity:.86}
.pcard:hover .pcard__go{opacity:1;transform:translateX(0)}
.pcard__go{
  display:inline-flex;align-items:center;gap:calc(var(--u));
  margin-top:calc(var(--u)*2);
  font:700 13px/1 var(--f-disp);letter-spacing:.08em;text-transform:uppercase;
  color:var(--brass-l);opacity:0;transform:translateX(-5px);
  transition:opacity .35s ease,transform .35s ease;
  text-shadow:0 1px 3px rgba(30,36,42,.55);
}
.pcard__k{
  font:700 13px/1.4 var(--f-label);letter-spacing:.14em;text-transform:uppercase;
  color:var(--brass-l);text-shadow:0 1px 3px rgba(30,36,42,.55);
}
.pcard h3{
  color:var(--bone);font-family:var(--f-disp);font-weight:700;
  font-size:23px;line-height:1.16;letter-spacing:0;margin-top:calc(var(--u));
  text-shadow:0 1px 4px rgba(30,36,42,.55);
}
.pcard p{font-size:16px;line-height:1.5;color:rgba(251,250,248,.88);
  margin-top:calc(var(--u)*1.5);text-shadow:0 1px 3px rgba(30,36,42,.5)}
.pcard__cta{
  align-self:flex-start;margin-top:calc(var(--u)*2.5);
  font:700 14px/1 var(--f-disp);letter-spacing:.06em;text-transform:uppercase;
  padding:calc(var(--u)*1.5) calc(var(--u)*2.5);border-radius:2px;
  border:1px solid rgba(251,250,248,.42);color:var(--bone);
  transition:background .18s,color .18s,border-color .18s;
}

/* --- görsel üstte, panel altta (grup kartları) --- */
.gcard{
  display:flex;flex-direction:column;overflow:hidden;border-radius:2px;
  border:1px solid var(--stone);background:var(--bone);
  transition:transform .22s ease,border-color .18s;
}
.gcard:hover{transform:translateY(-3px);border-color:var(--slate)}
.gcard__img{
  position:relative;aspect-ratio:1/1;
  background:center / cover no-repeat;
}
/* görsel alttan panele yumuşak geçiş — sert kesim yok */
.gcard__img::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:38%;
  background:linear-gradient(180deg,
    rgba(251,250,248,0) 0%,
    rgba(251,250,248,.55) 46%,
    rgba(251,250,248,.92) 78%,
    var(--bone) 100%);
}
.gcard__body{
  position:relative;z-index:1;
  flex:1;display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:calc(var(--u)) calc(var(--u)*3) calc(var(--u)*4);
}
.gcard h3{
  font-family:var(--f-disp);font-weight:700;font-size:22px;line-height:1.2;letter-spacing:0;
}
.gcard p{font-size:17px;line-height:1.45;margin-top:calc(var(--u));max-width:30ch}
.gcard__cta{margin-top:auto;padding-top:calc(var(--u)*2.5)}
.gcard__cta span{
  display:inline-block;
  font:700 14px/1 var(--f-disp);letter-spacing:.06em;text-transform:uppercase;
  padding:calc(var(--u)*1.75) calc(var(--u)*3);border-radius:2px;
  background:var(--slate);color:var(--bone);
  transition:background .18s;
}
.gcard:hover .gcard__cta span{background:var(--slate-2)}

/* yatay katmanlar */
/* üç yatay katman: Quality control · R&D · Energy */
.layers{margin-top:calc(var(--u)*3);display:grid;grid-template-columns:repeat(3,1fr);gap:calc(var(--u)*3)}
.layer{
  border:1px solid var(--stone);border-radius:2px;background:var(--bone);
  padding:calc(var(--u)*4);
  display:flex;gap:calc(var(--u)*3);align-items:flex-start;
  transition:border-color .25s ease;
}
.layer:hover{border-color:var(--brass)}
.layer__ico{width:40px;height:40px;flex:none;color:var(--brass)}
.layer__ico svg{width:100%;height:100%;display:block}
.layer h3{font-family:var(--f-disp);font-weight:700;font-size:19px;letter-spacing:0;color:var(--slate)}
.layer__tag{
  display:block;margin-top:calc(var(--u));
  font:700 12px/1.4 var(--f-label);letter-spacing:.14em;text-transform:uppercase;color:var(--brass-ink);
}
.layer p{margin:calc(var(--u)*1.5) 0 0;font-size:14.5px;line-height:1.7;color:var(--body)}

/* ============ CTA BANDI ============ */
.band{background:#F4F2EE;border-top:1px solid var(--stone);position:relative;overflow:hidden}
/* arka plan videosu — sessiz, dongulu, kenardan kenara */
.band__media{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.band__media video{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center 62%;
}
/* metnin okunurlugu icin bant renginde tul (#F4F2EE) — altta daha yogun */
.band__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,
    rgba(244,242,238,.30) 0%,
    rgba(244,242,238,.24) 45%,
    rgba(244,242,238,.46) 78%,
    rgba(244,242,238,.68) 100%);
}
/* hareket azaltma tercihi: video durur, poster kalir */
@media (prefers-reduced-motion:reduce){
  .band__media video{display:none}
  .band__media{background:url('../img/cta-poster.webp') center 62%/cover no-repeat}
}
.band__in{
  padding:calc(var(--u)*13) 0;display:flex;flex-direction:column;
  gap:calc(var(--u)*5);align-items:center;text-align:center;
  position:relative;z-index:1;
}
.band h2{max-width:24ch}
.band h2 span{display:block;font-weight:300;color:var(--body)}
.band__cta{display:flex;flex-wrap:wrap;gap:calc(var(--u)*2);justify-content:center}