/* =============================================================================
   Öztürk Nova Stone — ana stil
   Kartvizit dili: beyaz mermer zemin + düz altın + koyu antrasit metin
   ============================================================================= */
:root {
  --zemin: #f8f6f3;
  --beyaz: #ffffff;
  --panel: rgba(255, 255, 255, .72);
  --cizgi: rgba(60, 50, 40, .13);
  --koyu: #1d1b19;
  --koyu-2: #262320;
  --cizgi-koyu: rgba(255, 255, 255, .1);
  --altin: #b8923a;
  --altin-acik: #d2ae5c;
  --altin-koyu: #97762c;
  --metin: #2a2623;
  --metin-soluk: #6d655d;
  --metin-acik: #ece7df;
  --metin-acik-soluk: #a9a198;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --baslik: 'Cinzel', 'Cormorant Garamond', Georgia, serif;
  --sans: 'Jost', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --kap: 1240px;
  --ust-y: 88px;
  --gecis: .35s cubic-bezier(.2, .7, .2, 1);
  --mermer: url('../img/doku/beyaz.jpg');
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--metin);
  background: var(--zemin) var(--mermer) center top / 1920px auto repeat;
  font: 300 16px/1.75 var(--sans); letter-spacing: .01em;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
@media (min-width: 1000px) { body { background-attachment: fixed; background-size: cover; } }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, .h1 { font-family: var(--serif); font-weight: 500; line-height: 1.12; margin: 0 0 .5em; letter-spacing: 0; color: var(--koyu); }
h1, .h1 { font-size: clamp(2.5rem, 5vw, 4.3rem); }
h2 { font-size: clamp(2rem, 3.4vw, 2.9rem); }
h3 { font-size: 1.5rem; }
h1 em, h2 em { font-style: normal; color: var(--altin); }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--altin); outline-offset: 3px; }

.kap { width: 100%; max-width: var(--kap); margin: 0 auto; padding: 0 24px; }
.ikon { flex: none; }
.atla { position: absolute; left: -999px; top: 0; background: var(--altin); color: #fff; padding: 8px 14px; z-index: 100; }
.atla:focus { left: 8px; top: 8px; }

.ust-baslik { font: 500 .74rem/1 var(--sans); letter-spacing: .32em; text-transform: uppercase; color: var(--altin); margin-bottom: 1.3rem; }
.imza { font-family: var(--serif); font-style: italic; font-size: 1.45rem; color: var(--altin); margin: 1.2rem 0 1.6rem; }
.soluk { color: var(--metin-soluk); }

/* Koyu bölümler (CTA, alt bilgi) */
.koyu { background: var(--koyu); color: var(--metin-acik); }
.koyu h1, .koyu h2, .koyu h3 { color: #fff; }
.koyu .soluk { color: var(--metin-acik-soluk); }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .7em; cursor: pointer;
  padding: 15px 28px; border: 1px solid transparent; border-radius: 2px;
  font: 500 .78rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase;
  transition: background var(--gecis), color var(--gecis), border-color var(--gecis);
}
.btn .ikon { transition: transform var(--gecis); }
.btn:hover .ikon { transform: translateX(4px); }
.btn-altin { background: var(--altin); color: #fff; }
.btn-altin:hover { background: var(--altin-koyu); }
.btn-cizgi { border-color: var(--koyu); color: var(--koyu); background: transparent; }
.btn-cizgi:hover { background: var(--koyu); color: #fff; }
.koyu .btn-cizgi { border-color: rgba(255, 255, 255, .4); color: #fff; }
.koyu .btn-cizgi:hover { background: #fff; color: var(--koyu); }
.btn-kucuk { padding: 12px 20px; font-size: .72rem; }
.dugmeler { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 2rem; }

/* ---------- Logo ----------
   Yatay logo: [ÖN ÖZTÜRK] aynı boyda yan yana, altında — NOVA STONE —
   Monogramın N gövdesi viewBox'ın %73'ü; Cinzel büyük harf yüksekliği ~0.7em
   olduğundan monogram 0.96em yapılınca harflerle aynı boyda durur. */
.logo { display: inline-flex; flex-direction: column; align-items: stretch; color: var(--altin); line-height: 1; }
.logo-ust { display: flex; flex-wrap: nowrap; white-space: nowrap; align-items: flex-end; justify-content: center; gap: .34em; font: 500 1.9rem/1 var(--baslik); }
.logo-ust .monogram { height: 1.02em; width: 1.135em; flex: none; align-self: flex-end; margin-bottom: .02em; }
.logo-isim { display: inline-block; flex: none; letter-spacing: .08em; line-height: .78; }
.logo-alt { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 7px; font: 400 .7rem/1 var(--sans); letter-spacing: .36em; padding-left: .36em; }
.logo-alt::before, .logo-alt::after { content: ''; flex: 1; min-width: 10px; height: 1px; background: currentColor; }
.logo-slogan { font: 500 .44rem/1 var(--sans); letter-spacing: .2em; margin-top: 7px; text-align: center; }
.monogram { width: 50px; height: auto; flex: none; }

/* ---------- Üst menü ---------- */
.ust {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--ust-y);
  background: rgba(255, 255, 255, .86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cizgi); transition: height var(--gecis), box-shadow var(--gecis);
}
.ust.dolu { --ust-y: 72px; box-shadow: 0 10px 30px -22px rgba(0, 0, 0, .35); }
.ust-logo { flex: none; }
.ust-ic { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.ust-logo .logo-slogan { display: none; }
.menu ul { display: flex; gap: 28px; }
.menu a { position: relative; font: 400 .74rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--metin); padding: 8px 0; transition: color var(--gecis); }
.menu ul a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--altin); transform: scaleX(0); transform-origin: left; transition: transform var(--gecis); }
.menu ul a:hover, .menu ul a.aktif { color: var(--altin-koyu); }
.menu ul a:hover::after, .menu ul a.aktif::after { transform: scaleX(1); }
.menu-alt { display: none; }
.ust-eylem { display: flex; align-items: center; gap: 20px; }
.ust-tel { display: inline-flex; align-items: center; gap: 8px; font-size: .84rem; font-weight: 400; white-space: nowrap; }
.ust-tel .ikon { color: var(--altin); }
.ust-tel:hover { color: var(--altin-koyu); }
.menu-dugme { display: none; background: none; border: 0; padding: 6px; cursor: pointer; color: var(--metin); }

/* ---------- Slider ---------- */
.slider { position: relative; height: min(100vh, 900px); height: min(100svh, 900px); min-height: 600px; overflow: hidden; background: var(--koyu); }
.slayt {
  position: absolute; inset: 0; display: flex; align-items: center; padding-top: var(--ust-y);
  opacity: 0; visibility: hidden;
  transition: opacity 1.2s ease, visibility 1.2s;
}
.slayt::before { content: ''; position: absolute; inset: 0; background: var(--bg) center / cover no-repeat; transform: scale(1.08); transition: transform 7s ease-out; }
.slayt.aktif { opacity: 1; visibility: visible; }
.slayt.aktif::before { transform: scale(1); }
.slayt-ic { position: relative; z-index: 1; }
.slayt-kutu {
  max-width: 600px; padding: clamp(32px, 4vw, 54px); background: rgba(255, 255, 255, .84);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); border-left: 3px solid var(--altin);
  transform: translateY(20px); opacity: 0; transition: transform 1s .3s cubic-bezier(.2, .7, .2, 1), opacity 1s .3s;
}
.slayt.aktif .slayt-kutu { transform: none; opacity: 1; }
.slayt-kutu h1, .slayt-kutu .h1 { font-size: clamp(2.3rem, 4.4vw, 3.8rem); }
.slayt-metin { color: var(--metin-soluk); font-size: 1.04rem; max-width: 480px; margin: 0; }
.slider-alt { position: absolute; left: 0; right: 0; bottom: 34px; z-index: 2; display: flex; justify-content: space-between; align-items: center; }
.slider-noktalar { display: flex; gap: 10px; }
.slider-noktalar button { width: 54px; height: 20px; padding: 0; background: none; border: 0; cursor: pointer; display: flex; align-items: center; }
.slider-noktalar span { display: block; width: 100%; height: 2px; background: rgba(30, 25, 20, .22); position: relative; overflow: hidden; box-shadow: 0 0 0 1px rgba(0, 0, 0, .05); }
.slider-noktalar span::after { content: ''; position: absolute; inset: 0; background: var(--altin); transform: scaleX(0); transform-origin: left; }
.slider-noktalar .aktif span::after { animation: dolum 6.5s linear forwards; }
@keyframes dolum { to { transform: scaleX(1); } }
.slider-oklar { display: flex; gap: 10px; }
.slider-oklar button { width: 48px; height: 48px; display: grid; place-items: center; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .88); color: var(--koyu); cursor: pointer; transition: background var(--gecis), color var(--gecis); }
.slider-oklar button:hover { background: var(--altin); color: #fff; }
.slider-oklar .geri .ikon { transform: rotate(180deg); }

/* ---------- Malzeme şeridi ---------- */
.malzemeler { background: rgba(255, 255, 255, .6); border-bottom: 1px solid var(--cizgi); padding: 44px 0; }
.malzeme-serit { display: grid; grid-template-columns: repeat(8, 1fr); gap: 22px; }
.malzeme-serit a { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 14px; }
.numune { display: block; width: 100%; aspect-ratio: 3 / 2; overflow: hidden; border-radius: 2px; box-shadow: 0 12px 24px -16px rgba(0, 0, 0, .45), 0 0 0 1px var(--cizgi); }
.numune img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .7, .2, 1); }
.numune-isim { font-size: .86rem; line-height: 1.35; position: relative; padding-bottom: 12px; font-weight: 400; }
.numune-isim::after { content: ''; position: absolute; left: 50%; bottom: 0; width: 22px; height: 1px; margin-left: -11px; background: var(--altin); transition: width var(--gecis), margin var(--gecis); }
.malzeme-serit a:hover img { transform: scale(1.08); }
.malzeme-serit a:hover .numune-isim { color: var(--altin-koyu); }
.malzeme-serit a:hover .numune-isim::after { width: 50px; margin-left: -25px; }
.acik-serit { grid-template-columns: repeat(7, 1fr); }

/* ---------- Genel bölümler ---------- */
.bolum { padding: clamp(72px, 9vw, 120px) 0; }
.acik { background: var(--panel); }
.bolum + .bolum:not(.acik) { border-top: 1px solid var(--cizgi); }
.bolum-baslik { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.bolum-baslik .ust-baslik::before, .bolum-baslik .ust-baslik::after { content: '—'; margin: 0 12px; }
p { color: inherit; }
.metin p, .hk-metin p, .tk-metin p, .neden p { color: var(--metin-soluk); }

/* Hakkımızda kısa — kartvizit görünümü */
.hakkimizda-kisa { display: grid; grid-template-columns: 40fr 60fr; border-bottom: 1px solid var(--cizgi); }
.hk-marka { display: grid; place-items: center; padding: 80px 30px; min-height: 520px; border-right: 1px solid var(--cizgi); }
.hk-logo { display: flex; flex-direction: column; align-items: center; color: var(--altin); }
.monogram.buyuk { width: 130px; height: auto; margin-bottom: 26px; }
.hk-logo .logo-isim { font: 500 2.9rem/1 var(--baslik); letter-spacing: .12em; }
.hk-logo .logo-alt { font-size: .95rem; margin-top: 10px; gap: 14px; }
.hk-logo .logo-alt::before, .hk-logo .logo-alt::after { flex: none; width: 30px; }
.hk-logo .logo-slogan { font-size: .7rem; margin-top: 18px; padding-top: 16px; letter-spacing: .22em; border-top: 1px solid currentColor; }
.hk-metin { display: flex; align-items: center; padding: clamp(56px, 6vw, 90px) clamp(24px, 5vw, 80px); background: var(--panel); }
.hk-ic { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 4vw, 60px); align-items: center; max-width: 900px; }
.hk-ic.tek { grid-template-columns: 1fr; max-width: 620px; }
.hk-ic h2 { font-size: clamp(1.9rem, 2.6vw, 2.5rem); }
.hk-gorsel { margin: 0; }
.hk-gorsel img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }

/* Sayılar */
.sayilar { background: rgba(255, 255, 255, .5); border-bottom: 1px solid var(--cizgi); }
.sayi-ic { display: grid; grid-template-columns: repeat(4, 1fr); }
.sayi-ic > div { padding: 46px 20px; text-align: center; border-right: 1px solid var(--cizgi); }
.sayi-ic > div:last-child { border-right: 0; }
.sayi-ic strong { display: block; font: 500 3.2rem/1 var(--serif); color: var(--altin); margin-bottom: 10px; }
.sayi-ic span { font-size: .76rem; letter-spacing: .2em; text-transform: uppercase; color: var(--metin-soluk); }

/* Projeler kısa */
.projeler-kisa { padding: 80px 0; }
.pk-ic { display: grid; grid-template-columns: 330px 1fr; gap: 50px; align-items: center; }
.pk-baslik h2 { font-size: clamp(1.9rem, 2.6vw, 2.4rem); margin-bottom: 1.6rem; }
.pk-kartlar { display: grid; grid-template-columns: 1.15fr .85fr 1.15fr .85fr; gap: 14px; }
.pk-kart { position: relative; display: block; }
.pk-kart img { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; box-shadow: 0 18px 34px -24px rgba(0, 0, 0, .5); transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.pk-kart span { display: block; padding-top: 12px; font-size: .84rem; font-weight: 400; }
.pk-kart:hover img { transform: translateY(-4px); }
.pk-kart:hover span { color: var(--altin-koyu); }

/* Teknoloji kısa */
.teknoloji-kisa { background: var(--panel); border-block: 1px solid var(--cizgi); padding: 70px 0; }
.tk-ic { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.tk-metin h2 { font-size: clamp(1.9rem, 2.6vw, 2.4rem); }
.tk-ikonlar { display: grid; grid-template-columns: repeat(3, 1fr); }
.tk-ikonlar li { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; padding: 26px 10px; font-size: .84rem; border-right: 1px solid var(--cizgi); border-bottom: 1px solid var(--cizgi); }
.tk-ikonlar li:nth-child(3n) { border-right: 0; }
.tk-ikonlar li:nth-child(n+4) { border-bottom: 0; }
.tk-ikonlar .ikon { color: var(--altin); }

/* Süreç */
.surec { display: grid; grid-template-columns: repeat(5, 1fr); }
.surec li { padding: 0 22px; border-left: 1px solid var(--cizgi); }
.surec-no { display: block; font: 500 2.6rem/1 var(--serif); color: var(--altin); margin-bottom: 18px; }
.surec h3 { font-size: 1.35rem; }
.surec p { color: var(--metin-soluk); font-size: .92rem; margin: 0; }

/* ---------- Sayfa başı ---------- */
.sayfa-basi { position: relative; padding: calc(var(--ust-y) + 80px) 0 80px; border-bottom: 1px solid var(--cizgi); background: rgba(255, 255, 255, .35); overflow: hidden; }
.sayfa-basi::after { content: ''; position: absolute; top: 0; bottom: 0; right: 0; width: 42%; background: var(--bg) center / cover; -webkit-mask-image: linear-gradient(90deg, transparent, #000 45%); mask-image: linear-gradient(90deg, transparent, #000 45%); opacity: .9; }
.sayfa-basi.gorselsiz::after { display: none; }
.sayfa-basi .kap { position: relative; z-index: 1; }
.sayfa-basi h1 { max-width: 18ch; font-size: clamp(2.4rem, 4.4vw, 3.8rem); }
.sayfa-basi-metin { max-width: 560px; color: var(--metin-soluk); font-size: 1.05rem; margin: 0; }
.kirinti { display: flex; flex-wrap: wrap; gap: 10px; font-size: .78rem; color: var(--metin-soluk); margin-bottom: 30px; letter-spacing: .04em; }
.kirinti a:hover { color: var(--altin-koyu); }
.bulunamadi { min-height: 80vh; display: flex; align-items: center; }

/* ---------- İçerik yardımcıları ---------- */
.iki-kolon { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.iki-kolon.esit { align-items: stretch; }
.cerceveli { margin: 0; position: relative; }
.cerceveli::before { content: ''; position: absolute; inset: -18px 18px 18px -18px; border: 1px solid var(--altin); opacity: .6; pointer-events: none; }
.cerceveli img { position: relative; width: 100%; aspect-ratio: 5 / 4; object-fit: cover; box-shadow: 0 30px 50px -35px rgba(0, 0, 0, .5); }
.onay-liste { display: grid; gap: 12px; margin-top: 1.4rem; }
.onay-liste li { display: flex; gap: 12px; align-items: flex-start; }
.onay-liste .ikon { color: var(--altin); margin-top: 5px; }
.liste-kutu { border: 1px solid var(--cizgi); padding: 44px; background: var(--beyaz); }
.liste-kutu h3 { color: var(--altin-koyu); }

.kart-izgara { display: grid; gap: 24px; }
.kart-izgara.uc { grid-template-columns: repeat(3, 1fr); }
.deger-kart, .hizmet-kart { position: relative; padding: 44px 38px; border: 1px solid var(--cizgi); background: var(--beyaz); transition: border-color var(--gecis), transform var(--gecis), box-shadow var(--gecis); }
.deger-kart .ikon, .hizmet-kart .ikon { color: var(--altin); margin-bottom: 26px; }
.deger-kart p, .hizmet-kart p { color: var(--metin-soluk); margin: 0; }
.hizmet-kart h2 { font-size: 1.6rem; }
.hizmet-kart:hover, .deger-kart:hover { border-color: var(--altin); transform: translateY(-4px); box-shadow: 0 24px 40px -30px rgba(0, 0, 0, .4); }
.hizmet-no { position: absolute; top: 30px; right: 34px; font: 500 1.1rem/1 var(--serif); color: var(--altin); }

.neden { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 50px; }
.neden li { display: flex; gap: 16px; }
.neden .ikon { color: var(--altin); margin-top: 6px; }
.neden h3 { font-size: 1.35rem; margin-bottom: .3em; }
.neden p { margin: 0; font-size: .95rem; }

/* Ürün kartları */
.urun-izgara { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.urun-kart { display: flex; flex-direction: column; background: var(--beyaz); border: 1px solid var(--cizgi); transition: transform var(--gecis), box-shadow var(--gecis); }
.urun-gorsel { display: block; overflow: hidden; aspect-ratio: 4 / 3; }
.urun-gorsel img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .7, .2, 1); }
.urun-govde { display: flex; flex-direction: column; flex: 1; padding: 26px 26px 28px; }
.urun-govde h2 { font-size: 1.55rem; }
.urun-govde p { font-size: .92rem; flex: 1; color: var(--metin-soluk); }
.baglanti { display: inline-flex; align-items: center; gap: 8px; font-size: .72rem; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--altin-koyu); }
.urun-kart:hover { transform: translateY(-5px); box-shadow: 0 24px 50px -30px rgba(0, 0, 0, .45); }
.urun-kart:hover img { transform: scale(1.07); }

/* Projeler */
.filtre { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 44px; }
.filtre button { background: var(--beyaz); border: 1px solid var(--cizgi); padding: 11px 22px; cursor: pointer; font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; transition: all var(--gecis); }
.filtre button:hover { border-color: var(--altin); }
.filtre button.aktif { background: var(--altin); border-color: var(--altin); color: #fff; }
.proje-izgara { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.proje-kart { position: relative; margin: 0; overflow: hidden; background: #000; }
.proje-kart img { width: 100%; aspect-ratio: 4 / 3.2; object-fit: cover; transition: transform .9s cubic-bezier(.2, .7, .2, 1); }
.proje-kart figcaption { position: absolute; inset: auto 0 0; padding: 60px 24px 22px; color: #fff; background: linear-gradient(transparent, rgba(0, 0, 0, .75)); display: flex; flex-direction: column; gap: 2px; }
.proje-kart strong { font: 500 1.45rem/1.2 var(--serif); }
.proje-kart figcaption span { font-size: .82rem; color: #e2dbd1; }
.proje-kart .proje-kat { font-size: .66rem; letter-spacing: .24em; text-transform: uppercase; color: var(--altin-acik); }
.proje-kart:hover img { transform: scale(1.06); }
.proje-kart.gizli { display: none; }

/* İletişim / form */
.iletisim-ic { display: grid; grid-template-columns: 380px 1fr; gap: clamp(40px, 6vw, 80px); align-items: start; }
.iletisim-bilgi { background: var(--beyaz); border: 1px solid var(--cizgi); border-top: 3px solid var(--altin); padding: 44px 38px; }
.iletisim-bilgi h2 { font-size: 1.9rem; margin-bottom: 1.2em; }
.iletisim-bilgi ul { display: grid; gap: 24px; }
.iletisim-bilgi li { display: flex; gap: 16px; }
.iletisim-bilgi .ikon { color: var(--altin); margin-top: 3px; }
.iletisim-bilgi li span { display: block; font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--metin-soluk); }
.iletisim-bilgi li a, .iletisim-bilgi li p { margin: 0; font-size: 1rem; font-weight: 400; word-break: break-word; }
.iletisim-bilgi li a:hover { color: var(--altin-koyu); }
.iletisim-bilgi .imza { margin-bottom: 0; margin-top: 2rem; }
.iletisim-bilgi .btn { margin-top: 1.5rem; }
.adim-liste { counter-reset: a; display: grid; gap: 24px; }
.adim-liste li { counter-increment: a; display: grid; grid-template-columns: 40px 1fr; row-gap: 2px; }
.adim-liste li::before { content: counter(a, decimal-leading-zero); grid-row: span 2; font: 500 1.5rem/1 var(--serif); color: var(--altin); }
.adim-liste strong { font-weight: 500; }
.adim-liste span { color: var(--metin-soluk); font-size: .92rem; }

.form-kutu h2 { font-size: 2.2rem; }
.form { display: grid; gap: 18px; }
.form-satir { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 7px; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--metin-soluk); }
.form input:not([type=checkbox]), .form select, .form textarea {
  width: 100%; border: 1px solid var(--cizgi); background: #fff; color: var(--metin);
  padding: 14px 16px; border-radius: 2px; font-size: 1rem; letter-spacing: 0; text-transform: none; transition: border-color var(--gecis);
}
.form textarea { resize: vertical; min-height: 140px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--altin); }
.form .onay-kutu { display: flex; gap: 12px; align-items: flex-start; text-transform: none; letter-spacing: 0; font-size: .88rem; line-height: 1.5; }
.onay-kutu input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--altin); flex: none; }
.onay-kutu a { text-decoration: underline; color: var(--metin); }
.form .btn { justify-self: start; border: 0; }
.bal { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.uyari { display: flex; gap: 12px; align-items: center; padding: 16px 20px; margin-bottom: 22px; border-left: 3px solid; }
.uyari.basarili { background: #eaf1e4; border-color: #5f8a45; color: #2f4a20; }
.uyari.hata { background: #f7e6e3; border-color: #b0453a; color: #6d2019; }
.harita iframe { display: block; width: 100%; height: 420px; border: 0; filter: grayscale(.9) contrast(.95); }

.yasal { max-width: 820px; }
.yasal h2 { font-size: 1.7rem; margin-top: 1.6em; }
.yasal h2:first-child { margin-top: 0; }
.yasal p { color: var(--metin-soluk); }

/* ---------- CTA ---------- */
.cta { background: linear-gradient(90deg, rgba(20, 18, 16, .92), rgba(20, 18, 16, .65)), var(--bg) center / cover; padding: 80px 0; }
.cta-ic { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.cta h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); max-width: 18ch; }
.cta p.soluk { margin: 0; max-width: 520px; }
.cta-dugmeler { display: flex; flex-wrap: wrap; gap: 14px; flex: none; }

/* ---------- Alt bilgi ---------- */
.alt { padding-top: 72px; font-size: .92rem; }
.alt-ic { display: grid; grid-template-columns: 1.4fr .8fr 1fr 1.2fr; gap: 50px; padding-bottom: 56px; }
.alt h3 { font: 500 .72rem/1 var(--sans); letter-spacing: .26em; text-transform: uppercase; color: var(--altin-acik); margin-bottom: 24px; }
.alt ul { display: grid; gap: 10px; }
.alt ul a { color: var(--metin-acik-soluk); transition: color var(--gecis); }
.alt ul a:hover { color: var(--altin-acik); }
.alt .logo { color: var(--altin-acik); }
.alt-marka p { color: var(--metin-acik-soluk); max-width: 320px; margin-top: 22px; }
.alt-marka .imza { color: var(--altin-acik); margin: 0; }
.alt-iletisim li { display: flex; gap: 12px; color: var(--metin-acik-soluk); }
.alt-iletisim .ikon { color: var(--altin-acik); margin-top: 4px; }
.sosyal { display: flex; gap: 10px; margin-top: 22px; }
.sosyal a { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--cizgi-koyu); color: var(--metin-acik-soluk); transition: all var(--gecis); }
.sosyal a:hover { border-color: var(--altin-acik); color: var(--altin-acik); }
.alt-son { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 22px; padding-bottom: 26px; border-top: 1px solid var(--cizgi-koyu); font-size: .78rem; color: #8a837a; }
.alt-son nav { display: flex; gap: 22px; }
.alt-son a:hover { color: var(--altin-acik); }

.wa-sabit { position: fixed; right: 22px; bottom: 22px; z-index: 40; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--altin); color: #fff; box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .5); transition: transform var(--gecis); }
.wa-sabit:hover { transform: scale(1.08); }

.belir { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s cubic-bezier(.2, .7, .2, 1); }
.belir.gorunur { opacity: 1; transform: none; }

/* =============================================================================
   Duyarlı
   ============================================================================= */
@media (max-width: 1180px) {
  .menu ul { gap: 22px; }
  .ust-tel span { display: none; }
  .malzeme-serit { grid-template-columns: repeat(4, 1fr); row-gap: 34px; }
  .acik-serit { grid-template-columns: repeat(4, 1fr); }
  .pk-ic { grid-template-columns: 1fr; }
  .urun-izgara { grid-template-columns: repeat(3, 1fr); }
  .hk-ic { grid-template-columns: 1fr; }
  .hk-gorsel { display: none; }
}

@media (max-width: 980px) {
  :root { --ust-y: 72px; }
  .menu-dugme { display: block; }
  .ust-eylem .btn, .ust-tel { display: none; }
  .menu {
    position: fixed; inset: var(--ust-y) 0 0; background: var(--zemin) var(--mermer) center / cover;
    display: flex; flex-direction: column; justify-content: space-between; padding: 30px 24px 40px;
    transform: translateX(100%); transition: transform var(--gecis); overflow-y: auto;
  }
  .menu.acik-menu { transform: none; }
  .menu ul { flex-direction: column; gap: 0; }
  .menu ul li { border-bottom: 1px solid var(--cizgi); }
  .menu ul a { display: block; padding: 18px 0; font: 500 1.7rem/1.1 var(--serif); letter-spacing: 0; text-transform: none; }
  .menu ul a::after { display: none; }
  .menu-alt { display: grid; gap: 14px; margin-top: 30px; }
  .menu-alt a { display: flex; align-items: center; gap: 10px; text-transform: none; letter-spacing: 0; font-size: .95rem; color: var(--metin-soluk); }
  .menu-alt .ikon { color: var(--altin); }
  body.menu-acik { overflow: hidden; }
  body.menu-acik .ust { background: var(--zemin); }

  .hakkimizda-kisa { grid-template-columns: 1fr; }
  .hk-marka { min-height: 0; padding: 70px 24px; border-right: 0; border-bottom: 1px solid var(--cizgi); }
  .sayi-ic { grid-template-columns: repeat(2, 1fr); }
  .sayi-ic > div:nth-child(2) { border-right: 0; }
  .sayi-ic > div:nth-child(-n+2) { border-bottom: 1px solid var(--cizgi); }
  .pk-kartlar { grid-template-columns: repeat(2, 1fr); }
  .tk-ic { grid-template-columns: 1fr; gap: 30px; }
  .surec { grid-template-columns: 1fr; gap: 30px; }
  .surec li { display: grid; grid-template-columns: 70px 1fr; column-gap: 10px; padding: 0 0 0 22px; }
  .surec-no { grid-row: span 2; margin: 0; }
  .iki-kolon, .iletisim-ic { grid-template-columns: 1fr; }
  .cerceveli { margin: 18px 0 0 18px; }
  .kart-izgara.uc, .neden { grid-template-columns: 1fr 1fr; }
  .urun-izgara, .proje-izgara { grid-template-columns: repeat(2, 1fr); }
  .cta-ic { flex-direction: column; align-items: flex-start; }
  .alt-ic { grid-template-columns: 1fr 1fr; }
  .sayfa-basi::after { width: 100%; opacity: .18; -webkit-mask-image: none; mask-image: none; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .kap { padding: 0 16px; }
  .ust-logo .logo-ust { font-size: 1.55rem; }
  .ust-logo .logo-alt { font-size: .6rem; letter-spacing: .3em; margin-top: 5px; }
  .slider { min-height: 640px; }
  .slayt { align-items: flex-end; padding-bottom: 100px; }
  .slayt-kutu { padding: 26px 22px; }
  .slayt-kutu .dugmeler { margin-top: 1.4rem; }
  .slider-oklar { display: none; }
  .malzeme-serit, .acik-serit { grid-template-columns: repeat(2, 1fr); gap: 26px 14px; }
  .hk-logo .logo-isim { font-size: 2.2rem; }
  .sayi-ic strong { font-size: 2.4rem; }
  .sayi-ic > div { padding: 32px 10px; }
  .sayi-ic span { font-size: .66rem; letter-spacing: .12em; }
  .tk-ikonlar { grid-template-columns: repeat(2, 1fr); }
  .tk-ikonlar li { border-right: 1px solid var(--cizgi) !important; border-bottom: 1px solid var(--cizgi) !important; }
  .tk-ikonlar li:nth-child(2n) { border-right: 0 !important; }
  .tk-ikonlar li:nth-child(n+5) { border-bottom: 0 !important; }
  .kart-izgara.uc, .neden, .urun-izgara, .proje-izgara, .form-satir, .alt-ic { grid-template-columns: 1fr; }
  .deger-kart, .hizmet-kart, .liste-kutu, .iletisim-bilgi { padding: 34px 24px; }
  .dugmeler .btn, .cta-dugmeler .btn { width: 100%; justify-content: center; }
  .alt-ic { gap: 36px; }
  .wa-sabit { right: 16px; bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .belir, .slayt-kutu { opacity: 1; transform: none; }
}