/* ==========================================================================
   OFOSOFT SEKTÖREL KURUMSAL WEB SİTESİ & 32 ÖZGÜN TEMA MİMARİSİ
   Yapay zeka şablonlarından uzak, gerçek tipografik ve mimari yerleşim sistemi
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-govde, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
  font-size: 16px;
  line-height: 1.65;
  color: var(--metin);
  background-color: var(--zemin);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-baslik, Georgia, serif);
  color: var(--metin);
  line-height: 1.2;
  margin: 0 0 0.55em;
  letter-spacing: -0.015em;
}
p { margin: 0 0 1rem; color: var(--soluk); }
a { color: var(--ana); text-decoration: none; transition: all 0.2s ease; }
a:hover { color: var(--vurgu); }
img, svg { max-width: 100%; height: auto; display: block; }
ul { list-style: none; padding: 0; margin: 0; }

.kap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.bolum { padding: 76px 0; position: relative; border-bottom: 1px solid var(--cizgi); }
.bolum-yuzey { background-color: var(--yuzey); }
.bolum-hero-renk { background-color: var(--hero-zemin); color: var(--hero-metin); }
.bolum-hero-renk h1, .bolum-hero-renk h2, .bolum-hero-renk h3, .bolum-hero-renk h4 { color: var(--hero-metin); }
.bolum-hero-renk p { color: rgba(255,255,255,0.82); }

/* Köşe Geometrileri */
body[data-kose="keskin"] { --r: 0px; --r-lg: 0px; --r-btn: 0px; }
body[data-kose="normal"] { --r: 6px; --r-lg: 10px; --r-btn: 5px; }
body[data-kose="yumusak"] { --r: 12px; --r-lg: 18px; --r-btn: 8px; }
body[data-kose="yuvarlak"] { --r: 18px; --r-lg: 26px; --r-btn: 999px; }

/* Butonlar */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px; font-weight: 600; font-size: 15px; line-height: 1.2;
  border-radius: var(--r-btn, 6px); border: 1.5px solid transparent;
  cursor: pointer; transition: all 0.2s ease; text-decoration: none;
}
.btn-ana { background-color: var(--ana); color: #ffffff !important; border-color: var(--ana); }
.btn-ana:hover { background-color: var(--vurgu); border-color: var(--vurgu); transform: translateY(-1px); }
.btn-vurgu { background-color: var(--vurgu); color: #ffffff !important; border-color: var(--vurgu); }
.btn-vurgu:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-cizgi { background-color: transparent; color: var(--metin) !important; border-color: var(--cizgi); }
.btn-cizgi:hover { border-color: var(--ana); color: var(--ana) !important; }
.btn-cizgi-acik { background-color: transparent; color: var(--hero-metin) !important; border-color: rgba(148,163,184,0.45); }
.btn-cizgi-acik:hover { border-color: var(--vurgu); background: rgba(255,255,255,0.06); }
.btn-kucuk { padding: 9px 16px; font-size: 13.5px; }
.btn-tam { width: 100%; }

/* Canlı Demo & Tema Değiştirici Üst Bant */
.ofo-demo-bant {
  background: #090d16; color: #e2e8f0; font-size: 13px; border-bottom: 1px solid #1e293b;
  padding: 8px 0; position: sticky; top: 0; z-index: 9999; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.ofo-demo-ic { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.ofo-demo-sol, .ofo-demo-sag { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ofo-demo-rozet {
  background: #c25e00; color: #fff; font-weight: 700; padding: 3px 9px; border-radius: 4px; font-size: 11.5px; letter-spacing: 0.03em;
}
.ofo-tema-secici-kutu {
  display: inline-flex; align-items: center; background: #1e293b; border: 1px solid #334155; border-radius: 5px; padding: 2px 4px; gap: 4px;
}
.ofo-tema-ok {
  color: #cbd5e1 !important; padding: 4px 8px; border-radius: 4px; font-size: 12px; background: #0f172a;
}
.ofo-tema-ok:hover { background: #c25e00; color: #fff !important; }
.ofo-tema-select {
  background: transparent; color: #fff; border: 0; font-size: 12.5px; font-weight: 600; padding: 3px 6px; cursor: pointer; outline: none;
}
.ofo-tema-select option { background: #0f172a; color: #fff; }
.ofo-bant-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 4px;
  font-weight: 600; font-size: 12.5px; text-decoration: none;
}
.ofo-bant-temalar { background: #1e293b; color: #f8fafc !important; border: 1px solid #475569; }
.ofo-bant-temalar:hover { background: #334155; }
.ofo-bant-panel { background: #0f2942; color: #7dd3fc !important; border: 1px solid #0369a1; }
.ofo-bant-satin { background: #15803d; color: #ffffff !important; }

/* ==========================================================================
   6 FARKLI HEADER (ÜST MENÜ) MİMARİSİ
   ========================================================================== */
.ust-bilgi-seridi {
  background-color: var(--hero-zemin); color: var(--hero-metin); font-size: 13px; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.ust-bilgi-ic { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.ust-bilgi-sol, .ust-bilgi-sag { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.ust-bilgi-seridi a { color: var(--hero-metin); opacity: 0.9; }

.site-header { background-color: var(--zemin); border-bottom: 1px solid var(--cizgi); position: relative; z-index: 100; }
.header-ic { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 20px; }
.marka-logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.marka-ikon {
  width: 44px; height: 44px; border-radius: var(--r, 6px); background-color: var(--ana); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0;
}
.marka-metin strong { display: block; font-family: var(--font-baslik); font-size: 21px; color: var(--metin); line-height: 1.1; }
.marka-metin small { display: block; font-size: 11.5px; color: var(--soluk); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 2px; }

.ana-menu { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.ana-menu a { font-weight: 600; font-size: 15px; color: var(--metin); padding: 6px 0; position: relative; }
.ana-menu a:hover, .ana-menu a.aktif { color: var(--vurgu); }
.ana-menu a.aktif::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background-color: var(--vurgu);
}

/* Header 2: Editoryal Çift Katmanlı */
.header-editorial .editorial-ust {
  text-align: center; padding: 22px 0 16px; border-bottom: 1px solid var(--cizgi);
}
.header-editorial .marka-logo { justify-content: center; }
.header-editorial .marka-metin strong { font-size: 28px; letter-spacing: -0.02em; }
.header-editorial .editorial-alt {
  display: flex; justify-content: space-between; align-items: center; padding: 12px 0;
}

/* Header 3: Mimari Split Kurumsal */
.header-split_kurumsal { border-bottom: 2px solid var(--ana); }
.header-split_kurumsal .marka-kutu {
  background-color: var(--ana); color: #fff; padding: 18px 28px; border-radius: var(--r, 0px);
}
.header-split_kurumsal .marka-kutu strong, .header-split_kurumsal .marka-kutu small { color: #fff; }
.header-split_kurumsal .marka-kutu .marka-ikon { background-color: var(--vurgu); }

/* Header 4: Ortalı Lüks */
.header-ortali_luks .header-ic { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.header-ortali_luks .ana-menu-sag { display: flex; justify-content: flex-end; align-items: center; gap: 18px; }

/* Header 5: Endüstriyel Izgara */
.header-endustriyel { border-top: 4px solid var(--vurgu); border-bottom: 2px solid var(--cizgi); }
.header-endustriyel .endustri-ust {
  display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--cizgi); font-size: 13px;
}
.header-endustriyel .endustri-hucre { padding: 9px 16px; border-right: 1px solid var(--cizgi); display: flex; align-items: center; gap: 8px; color: var(--soluk); }
.header-endustriyel .endustri-hucre:last-child { border-right: 0; justify-content: flex-end; }

/* Header 6: Kompakt Çerçeveli Bant */
.header-kompakt_bant { padding: 14px 0; background: var(--yuzey); }
.header-kompakt_bant .kompakt-cerceve {
  background: var(--zemin); border: 1.5px solid var(--cizgi); border-radius: var(--r-lg, 10px); padding: 10px 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}

/* ==========================================================================
   8 FARKLI HERO (VİTRİN) MİMARİSİ
   ========================================================================== */
.hero-etiket {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
  background-color: var(--vurgu); color: #ffffff; font-weight: 700; font-size: 12.5px;
  letter-spacing: 0.05em; text-transform: uppercase; border-radius: var(--r-btn, 4px); margin-bottom: 18px;
}
.hero-baslik { font-size: clamp(32px, 4.2vw, 52px); line-height: 1.12; margin-bottom: 18px; }
.hero-aciklama { font-size: 17.5px; line-height: 1.65; margin-bottom: 26px; max-width: 640px; }
.hero-aksiyonlar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

/* 1. Split Vitrin */
.hero-split { padding: 68px 0; }
.hero-split-izgara { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero-gorsel-cerceve {
  position: relative; border: 2px solid var(--vurgu); border-radius: var(--r-lg, 8px); overflow: hidden; background: var(--yuzey);
}
.hero-istatistik-serit {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 36px; padding-top: 28px; border-top: 1px solid rgba(148,163,184,0.28);
}
.hero-stat strong { display: block; font-size: 26px; font-family: var(--font-baslik); color: var(--vurgu); }
.hero-stat span { font-size: 13px; opacity: 0.85; }

/* 2. Tam Sahne Pankart */
.hero-tam-sahne {
  padding: 92px 0 64px; background-color: var(--hero-zemin); color: var(--hero-metin);
  border-bottom: 4px solid var(--vurgu);
}
.hero-tam-sahne .hero-baslik { color: var(--hero-metin); max-width: 860px; font-size: clamp(36px, 4.8vw, 58px); }
.hero-tam-sahne .hero-aciklama { color: rgba(255,255,255,0.82); max-width: 720px; }

/* 3. Formlu Dönüşüm Vitrini */
.hero-form-vitrin { padding: 64px 0; background-color: var(--hero-zemin); color: var(--hero-metin); }
.hero-form-izgara { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 44px; align-items: center; }
.hero-form-vitrin .hero-baslik { color: var(--hero-metin); }
.hero-form-vitrin .hero-aciklama { color: rgba(255,255,255,0.84); }
.hero-hizli-form {
  background-color: var(--zemin); color: var(--metin); padding: 30px; border-radius: var(--r-lg, 8px);
  border-top: 5px solid var(--vurgu); box-shadow: 0 20px 40px rgba(0,0,0,0.22);
}
.hero-hizli-form h3 { color: var(--metin); font-size: 21px; margin-bottom: 6px; }
.hero-hizli-form p { color: var(--soluk); font-size: 13.5px; margin-bottom: 18px; }

/* 4. Mimari Bento Izgara */
.hero-mimari-izgara { padding: 48px 0; }
.bento-izgara {
  display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 20px;
}
.bento-ana-kutu {
  background-color: var(--hero-zemin); color: var(--hero-metin); padding: 48px; border-radius: var(--r-lg, 6px);
  display: flex; flex-direction: column; justify-content: space-between;
}
.bento-ana-kutu h1 { color: var(--hero-metin); }
.bento-ana-kutu p { color: rgba(255,255,255,0.82); }
.bento-yan-sutun { display: grid; grid-template-rows: repeat(3, 1fr); gap: 16px; }
.bento-yan-kart {
  background-color: var(--yuzey); border: 1.5px solid var(--cizgi); border-left: 4px solid var(--vurgu);
  padding: 20px 22px; border-radius: var(--r, 6px); display: flex; flex-direction: column; justify-content: center;
}
.bento-yan-kart small { font-weight: 700; color: var(--vurgu); font-size: 12px; text-transform: uppercase; }
.bento-yan-kart strong { font-family: var(--font-baslik); font-size: 18px; color: var(--metin); margin: 4px 0; }

/* 5. Editoryal Dergi Kapak */
.hero-dergi { padding: 56px 0; }
.dergi-ust {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 36px; align-items: end;
  padding-bottom: 32px; border-bottom: 2px solid var(--metin); margin-bottom: 32px;
}
.dergi-alt { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 32px; align-items: center; }

/* 6. Katalog 2x2 Matris Vitrin */
.hero-katalog { padding: 64px 0; background-color: var(--yuzey); }
.katalog-matris { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.katalog-hucre {
  background-color: var(--zemin); border: 1.5px solid var(--cizgi); padding: 24px; border-radius: var(--r, 6px);
  transition: all 0.2s ease;
}
.katalog-hucre:hover { border-color: var(--vurgu); transform: translateY(-2px); }
.katalog-hucre i { font-size: 24px; color: var(--vurgu); margin-bottom: 12px; display: inline-block; }
.katalog-hucre h3 { font-size: 18px; margin-bottom: 6px; }

/* 7. Yatay Şerit Vitrin */
.hero-yatay-serit { padding: 56px 0; }
.yatay-serit-ust { text-align: center; max-width: 820px; margin: 0 auto 38px; }
.yatay-serit-ust .hero-aciklama { margin-left: auto; margin-right: auto; }
.yatay-serit-ust .hero-aksiyonlar { justify-content: center; }
.yatay-serit-kartlar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

/* 8. Uzman & Kurumsal Otorite Vitrini */
.hero-uzman { padding: 64px 0; background-color: var(--yuzey); }
.uzman-rozetler { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 24px 0; }
.uzman-rozet {
  display: flex; align-items: center; gap: 10px; background: var(--zemin); border: 1px solid var(--cizgi);
  padding: 11px 14px; border-radius: var(--r, 6px); font-weight: 600; font-size: 14px;
}
.uzman-rozet i { color: var(--vurgu); }

/* ==========================================================================
   6 FARKLI HİZMET & PROJE KART MİMARİSİ
   ========================================================================== */
.bolum-baslik { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 42px; flex-wrap: wrap; }
.bolum-baslik-sol span.ust-etiket {
  display: inline-block; color: var(--vurgu); font-weight: 700; font-size: 12.5px;
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px;
}
.bolum-baslik-sol h2 { font-size: clamp(26px, 3.2vw, 38px); margin-bottom: 6px; }
.izgara-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.izgara-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.izgara-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.sektorel-kart {
  background-color: var(--zemin); border: 1.5px solid var(--cizgi); border-radius: var(--r, 6px);
  overflow: hidden; transition: all 0.22s ease; display: flex; flex-direction: column; justify-content: space-between;
}
.sektorel-kart:hover { border-color: var(--vurgu); transform: translateY(-3px); }
.kart-gorsel { aspect-ratio: 16 / 10; overflow: hidden; background: var(--hero-zemin); position: relative; }
.kart-gorsel img { width: 100%; height: 100%; object-fit: cover; }
.kart-kategori-etiket {
  position: absolute; top: 12px; left: 12px; background: var(--ana); color: #fff;
  font-size: 11.5px; font-weight: 700; padding: 4px 10px; border-radius: var(--r-btn, 4px);
}
.kart-icerik { padding: 24px; flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.kart-icerik h3 { font-size: 20px; margin-bottom: 10px; }
.kart-icerik h3 a { color: var(--metin); }
.kart-icerik h3 a:hover { color: var(--vurgu); }
.kart-alt-baglanti {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; color: var(--ana); margin-top: 14px;
}

/* Kart Stili 2: Numaralı Editoryal */
.kart-stili-numarali_editorial { border: 0; border-top: 2px solid var(--metin); border-radius: 0; background: transparent; padding-top: 18px; }
.kart-stili-numarali_editorial .kart-no {
  font-family: var(--font-baslik); font-size: 36px; font-weight: 700; color: var(--vurgu); line-height: 1; margin-bottom: 12px; display: block;
}

/* Kart Stili 3: Yatay Liste */
.kart-stili-yatay_liste { flex-direction: row; align-items: stretch; }
.kart-stili-yatay_liste .kart-gorsel { width: 38%; aspect-ratio: auto; flex-shrink: 0; }

/* Kart Stili 4: Kapak Poster */
.kart-stili-kapak_poster { position: relative; border: 0; min-height: 340px; justify-content: flex-end; background: var(--hero-zemin); }
.kart-stili-kapak_poster .kart-gorsel { position: absolute; inset: 0; aspect-ratio: auto; opacity: 0.42; }
.kart-stili-kapak_poster .kart-icerik { position: relative; z-index: 2; background: linear-gradient(to top, rgba(9,13,22,0.96) 20%, rgba(9,13,22,0.2) 100%); color: #fff; }
.kart-stili-kapak_poster .kart-icerik h3 a, .kart-stili-kapak_poster .kart-alt-baglanti { color: #fff !important; }
.kart-stili-kapak_poster .kart-icerik p { color: rgba(255,255,255,0.82); }

/* Kart Stili 5: Teknik Şartname Çerçeve */
.kart-stili-teknik_cerceve { border: 1.5px solid var(--metin); border-radius: 0; }
.kart-teknik-ust {
  display: flex; justify-content: space-between; padding: 8px 16px; border-bottom: 1px solid var(--cizgi);
  font-family: monospace; font-size: 12px; background: var(--yuzey); color: var(--soluk);
}

/* Kart Stili 6: İkon Minimal */
.kart-stili-ikon_minimal .kart-ikon-kutu {
  width: 52px; height: 52px; border-radius: var(--r, 6px); background: var(--yuzey); border: 1px solid var(--cizgi);
  color: var(--vurgu); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 16px;
}

/* Form Elemanları */
.form-grup { margin-bottom: 15px; }
.form-grup label { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 6px; color: var(--metin); }
.form-kontrol {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--cizgi); border-radius: var(--r, 6px);
  background-color: var(--zemin); color: var(--metin); font: inherit; font-size: 14.5px;
}
.form-kontrol:focus { outline: none; border-color: var(--vurgu); }

/* SSS Akordiyon */
.sss-kutu { max-width: 880px; margin: 0 auto; display: grid; gap: 14px; }
.sss-detay {
  background: var(--zemin); border: 1.5px solid var(--cizgi); border-radius: var(--r, 6px); padding: 18px 22px;
}
.sss-detay summary { font-weight: 700; font-size: 17px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.sss-detay summary::-webkit-details-marker { display: none; }
.sss-detay p { margin: 12px 0 0; padding-top: 12px; border-top: 1px solid var(--cizgi); }

/* Tema Vitrini (/temalar) Özel Izgara */
.tema-filtre-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }
.tema-filtre-btn {
  padding: 10px 18px; border: 1.5px solid var(--cizgi); background: var(--zemin); color: var(--metin);
  border-radius: var(--r-btn, 6px); font-weight: 600; font-size: 14px; cursor: pointer;
}
.tema-filtre-btn.aktif { background: var(--ana); color: #fff; border-color: var(--ana); }
.tema-vitrin-izgara { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.tema-vitrin-kart {
  background: var(--zemin); border: 2px solid var(--cizgi); border-radius: var(--r, 8px); overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between; transition: all 0.2s ease;
}
.tema-vitrin-kart.aktif-tema { border-color: var(--vurgu); box-shadow: 0 0 0 3px rgba(194,94,0,0.2); }
.tema-vitrin-kart:hover { transform: translateY(-3px); border-color: var(--ana); }
.tema-sema-kutu { padding: 12px; background: var(--yuzey); border-bottom: 1px solid var(--cizgi); }
.tema-kart-govde { padding: 16px; }
.tema-kart-govde h3 { font-size: 16.5px; margin-bottom: 6px; }
.tema-rozetler { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 14px; }
.tema-mini-etiket { font-size: 11px; padding: 3px 8px; background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 4px; color: var(--soluk); }
.tema-renk-noktalar { display: flex; align-items: center; gap: 6px; margin-bottom: 14px; }
.renk-nokta { width: 20px; height: 20px; border-radius: 50%; border: 1px solid rgba(0,0,0,0.18); }

/* Footer */
.site-footer { background-color: var(--hero-zemin); color: var(--hero-metin); padding: 64px 0 0; border-top: 3px solid var(--vurgu); }
.site-footer h3, .site-footer h4 { color: var(--hero-metin); font-size: 18px; margin-bottom: 16px; }
.site-footer p, .site-footer a { color: rgba(255,255,255,0.78); font-size: 14.5px; }
.site-footer a:hover { color: #fff; }
.footer-izgara { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 48px; }
.footer-liste li { margin-bottom: 9px; }
.footer-alt { border-top: 1px solid rgba(255,255,255,0.12); padding: 20px 0; font-size: 13.5px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* Sabit WhatsApp ve Mobil Bar */
.sabit-wa {
  position: fixed; right: 22px; bottom: 22px; z-index: 990; background: #16a34a; color: #fff !important;
  width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 26px; box-shadow: 0 8px 24px rgba(22,163,74,0.4);
}

@media (max-width: 992px) {
  .hero-split-izgara, .hero-form-izgara, .bento-izgara, .dergi-ust, .dergi-alt, .izgara-3, .izgara-4, .footer-izgara {
    grid-template-columns: 1fr;
  }
  .tema-vitrin-izgara { grid-template-columns: repeat(2, 1fr); }
  .header-ortali_luks .header-ic, .header-endustriyel .endustri-ust { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .tema-vitrin-izgara, .izgara-2, .katalog-matris, .yatay-serit-kartlar, .hero-istatistik-serit { grid-template-columns: 1fr; }
  .kart-stili-yatay_liste { flex-direction: column; }
  .kart-stili-yatay_liste .kart-gorsel { width: 100%; aspect-ratio: 16/10; }
}