/* BTG Gazbeton — tasarim sistemi (olculmus degerler) */

:root{
  --renk-primary:#0D47A1;
  --renk-primary-koyu:#1E3A8A;
  --renk-accent:#FF6F00;
  --renk-accent-koyu:#E56300;
  --renk-metin:#111111;
  --renk-metin-soluk:#718096;
  --zemin-sayfa:#F9F9F9;
  --zemin-bolum:#F7FAFC;
  --zemin-kart:#FFFFFF;
  --cizgi:#E4E9F0;
  --icerik-genislik:1190px;
  --ust-bar:91px;
  --golge:0 2px 14px rgba(16,32,64,.07);
  --golge-guclu:0 10px 30px rgba(16,32,64,.12);
  --yazi:"Roboto",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --yazi-baslik:"Poppins",var(--yazi);
  --yazi-serif:"Cardo",Georgia,"Times New Roman",serif;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--ust-bar) + 16px)}

body{
  margin:0;
  background:var(--zemin-sayfa);
  color:var(--renk-metin);
  font:400 16.8px/1.75 var(--yazi);
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}
a{color:var(--renk-primary);text-decoration:none}
a:hover{color:var(--renk-primary-koyu)}
button{font:inherit}
[hidden]{display:none !important}

h1,h2,h3,h4,h5,h6{font-family:var(--yazi-baslik);font-weight:700;color:var(--renk-primary);line-height:1.22;margin:0 0 .5em}
h1{font-size:clamp(30px,5vw,48px)}
h2{font-size:clamp(24px,3.6vw,36px)}
h3{font-size:clamp(19px,2.2vw,24px)}
h4{font-size:20px}

:focus-visible{outline:3px solid var(--renk-accent);outline-offset:2px}

.gizli-erisim{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.atla{
  position:absolute;left:12px;top:-60px;z-index:200;background:#fff;color:var(--renk-primary);
  padding:10px 16px;border-radius:6px;font-weight:700;transition:top .2s;
}
.atla:focus{top:12px}

.kapsa{width:100%;max-width:var(--icerik-genislik);margin:0 auto;padding-inline:20px}

/* ---------- Butonlar ---------- */
.buton{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--renk-accent);color:#fff;font-family:var(--yazi-baslik);font-weight:600;
  font-size:15px;line-height:1;padding:16px 28px;border:0;border-radius:999px;cursor:pointer;
  box-shadow:0 6px 18px rgba(255,111,0,.28);transition:background .18s,transform .18s,box-shadow .18s;
}
.buton:hover{background:var(--renk-accent-koyu);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,111,0,.34)}
.buton--cerceve{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7);box-shadow:none}
.buton--cerceve:hover{background:#fff;color:var(--renk-primary)}
.buton--mavi{background:var(--renk-primary);box-shadow:0 6px 18px rgba(13,71,161,.25)}
.buton--mavi:hover{background:var(--renk-primary-koyu)}

.devami{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--yazi-baslik);font-weight:600;
  font-size:13.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--renk-primary);
}
.devami:hover{color:var(--renk-accent)}
.devami span{transition:transform .18s}
.devami:hover span{transform:translateX(4px)}

/* ---------- Ust bar / menu ---------- */
.ust-bar{
  position:sticky;top:0;z-index:100;background:var(--renk-primary);
  box-shadow:0 2px 10px rgba(6,26,63,.22);
}
.ust-bar__ic{
  display:flex;align-items:center;gap:18px;min-height:var(--ust-bar);
  max-width:var(--icerik-genislik);margin:0 auto;padding-inline:20px;
}
.marka{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.marka img{height:52px;width:auto}
.marka__slogan{
  font-family:var(--yazi-baslik);font-weight:700;font-size:17px;line-height:1.2;color:#fff;
}
.marka__slogan:hover{color:#fff}

.ana-menu{margin-left:auto;display:flex;align-items:center}
.ana-menu ul{list-style:none;margin:0;padding:0}
.ana-menu>ul{display:flex;align-items:center;gap:4px}
.ana-menu li{position:relative}
.ana-menu a{
  display:flex;align-items:center;gap:6px;color:#fff;font-weight:500;font-size:15.5px;
  padding:12px 13px;border-radius:6px;white-space:nowrap;transition:background .16s,color .16s;
}
.ana-menu a:hover,.ana-menu a:focus-visible,.ana-menu li.acik>a{background:rgba(255,255,255,.14);color:#fff}
.ana-menu .ok{width:10px;height:10px;flex:0 0 auto;transition:transform .18s}
.ana-menu li.acik>a .ok{transform:rotate(180deg)}

.alt-menu{
  position:absolute;top:100%;left:0;min-width:248px;background:#fff;border-radius:6px;
  box-shadow:var(--golge-guclu);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .16s,transform .16s,visibility .16s;z-index:10;
}
.ana-menu li:hover>.alt-menu,.ana-menu li:focus-within>.alt-menu,.ana-menu li.acik>.alt-menu{
  opacity:1;visibility:visible;transform:translateY(0);
}
.alt-menu a{color:var(--renk-metin);font-size:15px;padding:11px 18px;border-radius:0}
.alt-menu a:hover,.alt-menu a:focus-visible{background:var(--zemin-bolum);color:var(--renk-primary)}
.alt-menu .alt-menu{top:0;left:100%;margin-left:2px}
.alt-menu .ok{width:9px;height:9px;transform:rotate(-90deg);margin-left:auto;color:var(--renk-metin-soluk)}
.ana-menu .alt-menu li.acik>a .ok{transform:rotate(-90deg)}

.menu-dugme{
  display:none;margin-left:auto;background:transparent;border:2px solid rgba(255,255,255,.5);
  border-radius:8px;padding:9px 11px;cursor:pointer;color:#fff;line-height:0;
}
.menu-dugme span{display:block;width:22px;height:2px;background:#fff;border-radius:2px}
.menu-dugme span+span{margin-top:5px}

/* ---------- Hero slider ---------- */
.hero{position:relative;overflow:hidden;background:#0b1b33;min-height:700px}
.hero__slayt{
  position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .7s ease;
  display:flex;align-items:center;justify-content:center;
}
.hero__slayt.aktif{opacity:1;visibility:visible;position:relative}
.hero__fon{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero__fon-katman{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,18,38,.55),rgba(6,18,38,.62))}
.hero__ic{
  position:relative;z-index:2;width:100%;max-width:900px;padding:120px 20px;text-align:center;color:#fff;
}
.hero__baslik{
  font-family:var(--yazi-baslik);font-weight:700;color:#fff;margin:0 0 6px;
  font-size:clamp(34px,7vw,72px);line-height:1.08;letter-spacing:-.01em;
  text-shadow:0 3px 22px rgba(0,0,0,.35);
}
.hero__alt-baslik{
  font-family:var(--yazi-serif);font-weight:300;font-size:clamp(20px,3vw,30px);
  color:rgba(255,255,255,.94);margin:0 0 14px;
}
.hero__aciklama{font-size:17px;color:rgba(255,255,255,.92);margin:0 auto 28px;max-width:640px}
.hero__oynat{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:4;
  width:76px;height:76px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.9);color:var(--renk-primary);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 14px rgba(255,255,255,.16);transition:background .2s;
}
.hero__oynat:hover{background:#fff}
.hero__oynat svg{width:26px;height:26px;margin-left:3px}
.hero__ok{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:44px;height:44px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.28);color:#fff;display:flex;align-items:center;justify-content:center;
  transition:background .18s;
}
.hero__ok:hover{background:rgba(255,255,255,.5)}
.hero__ok svg{width:18px;height:18px}
.hero__ok--sol{left:22px}
.hero__ok--sag{right:22px}
.hero__noktalar{
  position:absolute;left:0;right:0;bottom:26px;z-index:3;
  display:flex;justify-content:center;gap:8px;
}
.hero__nokta{
  width:10px;height:10px;border-radius:999px;border:0;padding:0;cursor:pointer;
  background:rgba(255,255,255,.55);transition:width .2s,background .2s;
}
.hero__nokta.aktif{width:26px;background:var(--renk-accent)}

/* ---------- Bolumler ---------- */
.bolum{padding-block:64px}
.bolum--dar{padding-block:40px}
.bolum--genis{padding-block:96px}
.bolum--yok{padding-block:0}
.bolum--beyaz{background:var(--zemin-kart)}
.bolum--acik{background:var(--zemin-bolum)}
.bolum--mavi{background:var(--renk-primary);color:#fff}
.bolum--mavi h1,.bolum--mavi h2,.bolum--mavi h3{color:#fff}

.bolum-ust{text-align:center;max-width:780px;margin:0 auto 42px}
.bolum-ust .bolum-baslik{margin-bottom:14px}
.bolum-ust p{color:var(--renk-metin-soluk);font-size:15.5px;margin:0}
.bolum--mavi .bolum-ust p{color:rgba(255,255,255,.88)}

.bolum-baslik{font-family:var(--yazi-baslik);font-weight:700;font-size:clamp(24px,3.6vw,36px);color:var(--renk-primary)}
.bolum-baslik--cizgili{padding-bottom:18px;position:relative}
.bolum-baslik--cizgili::after{
  content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:72px;height:4px;border-radius:2px;background:var(--renk-accent);
}
.bolum-baslik--sol.bolum-baslik--cizgili::after{left:0;transform:none}

/* zengin metin */
.zengin{font-size:16.8px;line-height:1.85}
.zengin>*:first-child{margin-top:0}
.zengin>*:last-child{margin-bottom:0}
.zengin p{margin:0 0 1.1em}
.zengin ul,.zengin ol{margin:0 0 1.1em;padding-left:1.3em}
.zengin li{margin-bottom:.4em}
.zengin img{border-radius:8px;margin-block:1em}
.zengin a{text-decoration:underline}
.zengin table{width:100%;border-collapse:collapse}
.zengin h2,.zengin h3,.zengin h4{margin-top:1.4em}
.zengin blockquote{
  margin:1.4em 0;padding:4px 0 4px 20px;border-left:4px solid var(--renk-accent);
  color:var(--renk-metin-soluk);font-style:italic;
}

/* ---------- Sayaclar ---------- */
.sayaclar{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.sayac__rakam{
  font-family:var(--yazi-baslik);font-weight:700;font-size:clamp(32px,4.4vw,44px);
  color:var(--renk-accent);line-height:1.1;
}
.sayac__etiket{margin-top:6px;font-size:15.5px;color:var(--renk-metin)}

/* ---------- Ozet kart / izgara ---------- */
.izgara{display:grid;gap:24px}
.izgara--2{grid-template-columns:repeat(2,1fr)}
.izgara--3{grid-template-columns:repeat(3,1fr)}
.izgara--4{grid-template-columns:repeat(4,1fr)}

.kart{
  background:var(--zemin-kart);border-radius:8px;box-shadow:var(--golge);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;
}
.kart:hover{transform:translateY(-3px);box-shadow:var(--golge-guclu)}
.kart__gorsel{aspect-ratio:16/10;background:var(--zemin-bolum);overflow:hidden}
.kart__gorsel img{width:100%;height:100%;object-fit:cover}
.kart__govde{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.kart__baslik{font-size:19px;margin:0 0 10px}
.kart__baslik a{color:inherit}
.kart__baslik a:hover{color:var(--renk-accent)}
.kart__ozet{color:var(--renk-metin-soluk);font-size:15px;margin:0 0 18px}
.kart__govde .devami{margin-top:auto}

/* haber tarih rozeti */
.kart__meta{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.tarih-rozet{
  background:var(--renk-primary);color:#fff;border-radius:6px;padding:7px 11px;text-align:center;
  font-family:var(--yazi-baslik);line-height:1.05;flex:0 0 auto;
}
.tarih-rozet b{display:block;font-size:17px;font-weight:700}
.tarih-rozet i{display:block;font-size:10.5px;font-style:normal;letter-spacing:.08em;text-transform:uppercase}
.kart__etiket{color:var(--renk-metin-soluk);font-size:13.5px}

/* ---------- Gorsel + metin ---------- */
.gorsel-metin{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.gorsel-metin--sag{direction:rtl}
.gorsel-metin--sag>*{direction:ltr}
.gorsel-metin__gorsel img{border-radius:8px;box-shadow:var(--golge-guclu);width:100%}
.gorsel-metin__metin .bolum-baslik{margin-bottom:16px}
.gorsel-metin__metin .buton{margin-top:22px}

/* ---------- One cikan projeler (zig-zag) ---------- */
.proje-kart{
  display:grid;grid-template-columns:1fr 1fr;background:var(--zemin-kart);
  border-radius:8px;box-shadow:var(--golge);overflow:hidden;margin-bottom:28px;
}
.proje-kart:last-child{margin-bottom:0}
.proje-kart__gorsel{min-height:230px;background:var(--zemin-bolum)}
.proje-kart__gorsel img{width:100%;height:100%;object-fit:cover;min-height:230px}
.proje-kart__govde{padding:34px 38px;display:flex;flex-direction:column;justify-content:center}
.proje-kart__etiket{
  color:var(--renk-accent);font-family:var(--yazi-baslik);font-weight:600;font-size:14px;margin-bottom:8px;
}
.proje-kart__baslik{font-size:22px;margin:0 0 12px}
.proje-kart__ozet{color:var(--renk-metin-soluk);font-size:15.5px;margin:0 0 20px}
.proje-kart--ters .proje-kart__gorsel{order:2}
.proje-kart--ters .proje-kart__govde{order:1}

/* ---------- Akordiyon ---------- */
.akordiyon-duzen{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.akordiyon{border:1px solid var(--cizgi);border-radius:8px;background:var(--zemin-kart);overflow:hidden}
.akordiyon__oge+.akordiyon__oge{border-top:1px solid var(--cizgi)}
.akordiyon__dugme{
  width:100%;display:flex;align-items:center;gap:12px;background:transparent;border:0;cursor:pointer;
  padding:18px 20px;text-align:left;font-family:var(--yazi-baslik);font-weight:600;font-size:15px;
  letter-spacing:.02em;text-transform:uppercase;color:var(--renk-primary);
}
.akordiyon__dugme:hover{background:var(--zemin-bolum)}
.akordiyon__ikon{color:var(--renk-accent);flex:0 0 auto;display:flex}
.akordiyon__ikon svg,.akordiyon__ikon img{width:20px;height:20px}
.akordiyon__ok{margin-left:auto;width:16px;height:16px;color:var(--renk-metin-soluk);transition:transform .2s;flex:0 0 auto}
.akordiyon__dugme[aria-expanded="true"] .akordiyon__ok{transform:rotate(180deg)}
.akordiyon__govde{padding:0 20px 20px 52px;color:var(--renk-metin-soluk);font-size:15.5px}
.akordiyon-gorsel img{border-radius:8px;box-shadow:var(--golge-guclu);width:100%}

/* ---------- CTA bandi ---------- */
.cta{text-align:center;color:#fff}
.cta__baslik{
  font-family:var(--yazi-baslik);font-weight:700;color:#fff;text-transform:uppercase;
  font-size:clamp(26px,4.4vw,44px);line-height:1.18;margin:0 0 20px;position:relative;padding-bottom:22px;
}
.cta__baslik::after{
  content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:86px;height:4px;border-radius:2px;background:var(--renk-accent);
}
.cta__aciklama{color:rgba(255,255,255,.9);max-width:640px;margin:0 auto 28px;font-size:16px}

/* ---------- Kaynak seridi ---------- */
.kaynaklar{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.kaynak{
  display:flex;align-items:center;gap:14px;background:var(--zemin-kart);border-radius:8px;
  padding:18px 20px;box-shadow:var(--golge);color:var(--renk-metin);transition:transform .2s;
}
.kaynak:hover{transform:translateY(-2px);color:var(--renk-primary)}
.kaynak__ikon{flex:0 0 auto;color:var(--renk-accent);display:flex}
.kaynak__ikon svg,.kaynak__ikon img{width:34px;height:34px;object-fit:contain}
.kaynak__baslik{font-family:var(--yazi-baslik);font-weight:600;font-size:15px;line-height:1.25;color:var(--renk-primary)}
.kaynak__alt{display:block;font-family:var(--yazi);font-weight:400;font-size:13.5px;color:var(--renk-metin-soluk)}

/* ---------- Galeri ---------- */
.galeri{display:grid;gap:16px}
.galeri--2{grid-template-columns:repeat(2,1fr)}
.galeri--3{grid-template-columns:repeat(3,1fr)}
.galeri--4{grid-template-columns:repeat(4,1fr)}
.galeri figure{margin:0;border-radius:8px;overflow:hidden;box-shadow:var(--golge);background:var(--zemin-bolum)}
.galeri img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s}
.galeri figure:hover img{transform:scale(1.04)}
.galeri figcaption{padding:10px 14px;font-size:14px;color:var(--renk-metin-soluk);background:var(--zemin-kart)}

/* ---------- Tablo ---------- */
.tablo-kabi{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:8px;box-shadow:var(--golge);background:var(--zemin-kart)}
.tablo{width:100%;border-collapse:collapse;min-width:560px;font-size:15px}
.tablo th,.tablo td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--cizgi);white-space:nowrap}
.tablo thead th{background:var(--renk-primary);color:#fff;font-family:var(--yazi-baslik);font-weight:600;font-size:14.5px}
.tablo tbody tr:last-child td{border-bottom:0}
.tablo tbody tr:nth-child(even){background:var(--zemin-bolum)}
.tablo td:first-child,.tablo th:first-child{font-weight:500}

/* ---------- Video ---------- */
.video-kabi{
  position:relative;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:#0b1b33;
  box-shadow:var(--golge-guclu);
}
.video-kabi img,.video-kabi iframe{width:100%;height:100%;object-fit:cover;border:0;display:block}
.video-kabi__dugme{
  position:absolute;inset:0;width:100%;height:100%;border:0;cursor:pointer;background:rgba(6,18,38,.35);
  display:flex;align-items:center;justify-content:center;
}
.video-kabi__dugme:hover{background:rgba(6,18,38,.2)}
.video-kabi__daire{
  width:76px;height:76px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--renk-primary);
  display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 14px rgba(255,255,255,.16);
}
.video-kabi__daire svg{width:26px;height:26px;margin-left:3px}

/* ---------- SSS ---------- */
.sss{max-width:860px;margin:0 auto}
.sss__oge{background:var(--zemin-kart);border:1px solid var(--cizgi);border-radius:8px;margin-bottom:12px;overflow:hidden}
.sss__dugme{
  width:100%;display:flex;align-items:center;gap:14px;background:transparent;border:0;cursor:pointer;
  padding:17px 20px;text-align:left;font-family:var(--yazi-baslik);font-weight:600;font-size:16px;color:var(--renk-primary);
}
.sss__dugme:hover{background:var(--zemin-bolum)}
.sss__ok{margin-left:auto;width:16px;height:16px;color:var(--renk-metin-soluk);transition:transform .2s;flex:0 0 auto}
.sss__dugme[aria-expanded="true"] .sss__ok{transform:rotate(180deg)}
.sss__govde{padding:0 20px 20px;color:var(--renk-metin-soluk);font-size:15.5px}

/* ---------- Belgeler ---------- */
.belgeler{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.belge{
  display:flex;gap:14px;align-items:flex-start;background:var(--zemin-kart);border-radius:8px;
  padding:20px;box-shadow:var(--golge);color:var(--renk-metin);
}
.belge__ikon{color:var(--renk-accent);flex:0 0 auto;display:flex}
.belge__ikon svg{width:28px;height:28px}
.belge__ad{font-family:var(--yazi-baslik);font-weight:600;font-size:15.5px;color:var(--renk-primary);margin:0 0 4px}
.belge__meta{font-size:13.5px;color:var(--renk-metin-soluk);margin:0}
.belge__imza{
  display:inline-block;margin-top:8px;font-size:12px;font-weight:500;color:#1b6e3c;
  background:#e7f6ec;border-radius:999px;padding:3px 10px;
}

/* ---------- Satis noktalari ---------- */
.iller{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.il-dugme{
  border:1px solid var(--cizgi);background:var(--zemin-kart);border-radius:999px;padding:8px 16px;
  font-size:14px;cursor:pointer;color:var(--renk-metin);
}
.il-dugme.aktif,.il-dugme:hover{background:var(--renk-primary);border-color:var(--renk-primary);color:#fff}
.bayiler{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bayi{background:var(--zemin-kart);border-radius:8px;padding:22px;box-shadow:var(--golge)}
.bayi h3{font-size:18px;margin:0 0 4px}
.bayi__il{color:var(--renk-accent);font-size:13.5px;font-weight:500;margin:0 0 10px}
.bayi p{margin:0 0 6px;font-size:15px;color:var(--renk-metin-soluk)}
.bayi a{font-size:15px}

.harita{border:0;width:100%;height:380px;border-radius:8px;box-shadow:var(--golge);display:block;background:var(--zemin-bolum)}

/* ---------- Form ---------- */
.form-duzen{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.form-kutu{background:var(--zemin-kart);border-radius:8px;padding:32px;box-shadow:var(--golge)}
.alan{margin-bottom:18px}
.alan label{display:block;font-weight:500;font-size:15px;margin-bottom:7px}
.alan input,.alan textarea,.alan select{
  width:100%;border:1px solid var(--cizgi);border-radius:6px;padding:13px 15px;
  font:400 16px/1.5 var(--yazi);color:var(--renk-metin);background:#fff;
}
.alan input:focus,.alan textarea:focus{border-color:var(--renk-primary);outline:none;box-shadow:0 0 0 3px rgba(13,71,161,.12)}
.alan textarea{min-height:150px;resize:vertical}
.alan .hata{color:#c02626;font-size:13.5px;margin-top:6px;display:block}
.tuzak{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.uyari{border-radius:8px;padding:15px 18px;margin-bottom:22px;font-size:15px}
.uyari--basari{background:#e7f6ec;color:#1b6e3c;border:1px solid #bfe6cd}
.uyari--hata{background:#fdeceb;color:#a32020;border:1px solid #f5c9c6}

.iletisim-liste{list-style:none;margin:0 0 26px;padding:0}
.iletisim-liste li{display:flex;gap:12px;margin-bottom:16px;font-size:15.5px}
.iletisim-liste svg{width:20px;height:20px;color:var(--renk-accent);flex:0 0 auto;margin-top:3px}
.iletisim-liste b{display:block;font-family:var(--yazi-baslik);font-size:14px;color:var(--renk-primary)}

/* ---------- Sayfa basligi ---------- */
.sayfa-basi{background:linear-gradient(120deg,var(--renk-primary),var(--renk-primary-koyu));color:#fff;padding-block:52px}
.sayfa-basi h1{color:#fff;margin:0}
.sayfa-basi__ust{
  font-family:var(--yazi-serif);font-weight:400;font-size:20px;color:rgba(255,255,255,.85);margin:0 0 6px;
}
.kirinti{margin-top:12px;font-size:14px;color:rgba(255,255,255,.82)}
.kirinti a{color:#fff;text-decoration:underline}
.kirinti span{margin-inline:7px;opacity:.6}

/* ---------- Footer ---------- */
.alt-bar{background:var(--renk-primary);color:#fff;padding-block:58px 0}
.alt-bar__izgara{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.alt-bar h2{font-family:var(--yazi-baslik);font-weight:700;font-size:17px;color:#fff;margin:0 0 18px}
.alt-bar ul{list-style:none;margin:0;padding:0}
.alt-bar li{margin-bottom:11px}
.alt-bar a{color:rgba(255,255,255,.86);font-size:15px}
.alt-bar a:hover{color:#fff;text-decoration:underline}
.alt-bar__marka img{height:56px;margin-bottom:16px}
.alt-bar__slogan{font-family:var(--yazi-baslik);font-weight:700;font-size:17px;line-height:1.4;margin:0 0 14px}
.alt-bar__iletisim{font-size:15px;color:rgba(255,255,255,.86);margin:0}
.alt-bar__iletisim a{display:inline}
.alt-bar__telif{
  margin-top:44px;padding-block:20px;border-top:1px solid rgba(255,255,255,.16);
  text-align:center;font-size:14px;color:rgba(255,255,255,.8);
}

/* ---------- Duyarli ---------- */
@media (max-width:1100px){
  .marka__slogan{display:none}
  .ana-menu a{padding:11px 9px;font-size:15px}
}

@media (max-width:991px){
  :root{--ust-bar:74px}
  .menu-dugme{display:block}
  .marka__slogan{display:block;font-size:15px}
  .marka img{height:44px}

  .ana-menu{
    position:absolute;top:100%;left:0;right:0;background:var(--renk-primary-koyu);
    margin:0;display:none;max-height:calc(100vh - var(--ust-bar));overflow-y:auto;
    box-shadow:0 14px 26px rgba(6,26,63,.3);
  }
  .ana-menu.acik{display:block}
  .ana-menu>ul{display:block;padding:10px 0}
  .ana-menu a{padding:13px 22px;border-radius:0;justify-content:space-between}
  .ana-menu li+li{border-top:1px solid rgba(255,255,255,.1)}
  .alt-menu{
    position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(0,0,0,.16);
    border-radius:0;padding:0;display:none;min-width:0;
  }
  .ana-menu li.acik>.alt-menu{display:block}
  .ana-menu li:hover>.alt-menu,.ana-menu li:focus-within>.alt-menu{display:none}
  .ana-menu li.acik>.alt-menu{display:block}
  .alt-menu a{color:rgba(255,255,255,.9);padding-left:36px}
  .alt-menu a:hover,.alt-menu a:focus-visible{background:rgba(255,255,255,.1);color:#fff}
  .alt-menu .alt-menu a{padding-left:52px}
  .alt-menu .ok{transform:none}
  .ana-menu .alt-menu li.acik>a .ok{transform:rotate(180deg)}

  .hero{min-height:560px}
  .hero__ic{padding:90px 20px}
  .gorsel-metin,.akordiyon-duzen,.form-duzen{grid-template-columns:1fr;gap:34px}
  .gorsel-metin--sag{direction:ltr}
  .gorsel-metin--sag .gorsel-metin__gorsel{order:-1}
  .izgara--4{grid-template-columns:repeat(2,1fr)}
  .izgara--3,.belgeler,.bayiler{grid-template-columns:repeat(2,1fr)}
  .kaynaklar{grid-template-columns:repeat(2,1fr)}
  .galeri--4{grid-template-columns:repeat(3,1fr)}
  .alt-bar__izgara{grid-template-columns:repeat(2,1fr)}
  .proje-kart{grid-template-columns:1fr}
  .proje-kart--ters .proje-kart__gorsel{order:0}
  .proje-kart--ters .proje-kart__govde{order:0}
}

@media (max-width:640px){
  body{font-size:16px}
  .bolum{padding-block:48px}
  .bolum--genis{padding-block:60px}
  .sayaclar{grid-template-columns:repeat(2,1fr);gap:30px 16px}
  .izgara--2,.izgara--3,.izgara--4,.belgeler,.bayiler,.kaynaklar{grid-template-columns:1fr}
  .galeri--2,.galeri--3,.galeri--4{grid-template-columns:repeat(2,1fr)}
  .alt-bar__izgara{grid-template-columns:1fr;gap:28px}
  .hero__ok{width:36px;height:36px}
  .hero__ok--sol{left:8px}
  .hero__ok--sag{right:8px}
  .hero__ic{padding:76px 16px}
  .proje-kart__govde{padding:26px 22px}
  .form-kutu{padding:24px 20px}
  .sayfa-basi{padding-block:36px}
}

@media (max-width:420px){
  .kapsa{padding-inline:16px}
  .ust-bar__ic{padding-inline:16px;gap:10px}
  .marka img{height:38px}
  .marka__slogan{font-size:13px}
  .galeri--2,.galeri--3,.galeri--4{grid-template-columns:1fr}
  .hero__oynat{width:62px;height:62px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

@media print{
  .ust-bar,.alt-bar,.hero__ok,.hero__noktalar,.buton{display:none !important}
}

/* ---------- Sayfalama ---------- */
.sayfalama{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:40px}
.sayfalama__oge{
  min-width:42px;padding:10px 14px;border-radius:6px;border:1px solid var(--cizgi);
  background:var(--zemin-kart);color:var(--renk-metin);font-size:15px;text-align:center;
}
a.sayfalama__oge:hover{background:var(--renk-primary);border-color:var(--renk-primary);color:#fff}
.sayfalama__oge--aktif{background:var(--renk-primary);border-color:var(--renk-primary);color:#fff;font-weight:700}
.sayfalama__oge--pasif{color:var(--renk-metin-soluk);opacity:.6}