/* DBK Hidrolik — kurumsal tema
   Renkler logodan alınmıştır: siyah, kırmızı (#C00000), beyaz. */

:root {
  --kirmizi: #c00000;
  --kirmizi-koyu: #990000;
  --siyah: #111111;
  --metin: #2a2a2a;
  --soluk: #6b6b6b;
  --cizgi: #e2e2e0;
  --zemin: #ffffff;
  --gri: #f4f4f2;
  --wp: #128c4a;
  --baslik-yazi: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --govde-yazi: "Barlow", "Segoe UI", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--govde-yazi);
  font-size: 17px;
  line-height: 1.65;
  color: var(--metin);
  background: var(--zemin);
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--kirmizi); }
a:hover { color: var(--kirmizi-koyu); }

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

h1, h2, h3 {
  font-family: var(--baslik-yazi);
  font-weight: 700;
  color: var(--siyah);
  line-height: 1.1;
  margin: 0 0 .5em;
  letter-spacing: .01em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); text-transform: uppercase; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); text-transform: uppercase; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

.kap { width: min(1160px, 100% - 40px); margin-inline: auto; }
.gizli { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.dar { max-width: 62ch; }

/* Küçük üst başlık: logodaki kırmızı çizgi motifi */
.etiket {
  display: inline-block;
  margin: 0 0 .9rem;
  padding-bottom: .35rem;
  border-bottom: 4px solid var(--kirmizi);
  font-family: var(--baslik-yazi);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--siyah);
}

/* ---------- Üst bölüm ---------- */
.ust-serit { background: var(--siyah); color: #d8d8d8; font-size: .85rem; }
.ust-serit-ic { display: flex; justify-content: space-between; gap: 1rem; padding: .45rem 0; }
.ust-serit a { color: #fff; text-decoration: none; margin-left: 1.4rem; }
.ust-serit a:hover { text-decoration: underline; }

.ust {
  position: sticky; top: 0; z-index: 50;
  background: #fff;
  border-bottom: 5px solid var(--kirmizi);
}
.ust-ic { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 84px; }
.logo img { height: 62px; width: auto; }

.menu { display: flex; gap: .2rem; }
.menu a {
  padding: .65rem .85rem;
  font-family: var(--baslik-yazi);
  font-weight: 600;
  font-size: 1.08rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--siyah);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}
.menu a:hover { color: var(--kirmizi); }
.menu a.aktif { border-bottom-color: var(--kirmizi); color: var(--kirmizi); }

.menu-dugme { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.menu-dugme span { display: block; width: 28px; height: 4px; background: var(--siyah); margin: 5px 0; }

/* ---------- Düğmeler ---------- */
.dugme {
  display: inline-block;
  padding: .8rem 1.5rem;
  border: 2px solid var(--kirmizi);
  background: var(--kirmizi);
  color: #fff;
  font-family: var(--baslik-yazi);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.dugme:hover { background: var(--kirmizi-koyu); border-color: var(--kirmizi-koyu); color: #fff; }
.dugme-cizgi { background: transparent; color: var(--siyah); border-color: var(--siyah); }
.dugme-cizgi:hover { background: var(--siyah); border-color: var(--siyah); color: #fff; }
.dugme-beyaz { background: #fff; color: var(--kirmizi); border-color: #fff; }
.dugme-beyaz:hover { background: var(--siyah); border-color: var(--siyah); color: #fff; }
.dugme-kucuk { padding: .55rem 1rem; font-size: .95rem; width: 100%; }
.dugme-sira { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }

.ok-bag {
  font-family: var(--baslik-yazi); font-weight: 600; font-size: 1.05rem;
  letter-spacing: .05em; text-transform: uppercase; text-decoration: none;
}
.ok-bag::after { content: " →"; }

/* ---------- Ana sayfa ---------- */
.kahraman { background: var(--gri); border-bottom: 1px solid var(--cizgi); }
.kahraman-ic {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center;
  padding: clamp(2.5rem, 6vw, 5rem) 0;
}
.kahraman h1 em { font-style: normal; color: var(--kirmizi); }
.kahraman-metin { font-size: 1.15rem; max-width: 52ch; }
.kahraman-gorsel { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; border-bottom: 10px solid var(--kirmizi); }
.kahraman-gorsel img { width: 100%; height: 100%; object-fit: cover; }
.kahraman-gorsel img:first-child { grid-row: span 2; }
.kahraman-gorsel img:not(:first-child) { aspect-ratio: 4 / 3; }

.rakamlar { background: var(--siyah); color: #fff; }
.rakam-izgara { display: grid; grid-template-columns: repeat(4, 1fr); }
.rakam-izgara div { padding: 1.6rem 1rem; border-left: 1px solid #333; }
.rakam-izgara div:first-child { border-left: 0; padding-left: 0; }
.rakam-izgara strong { display: block; font-family: var(--baslik-yazi); font-size: 2.6rem; line-height: 1; color: #fff; }
.rakam-izgara span { font-size: .9rem; color: #c9c9c9; text-transform: uppercase; letter-spacing: .06em; }

/* ---------- Genel bölümler ---------- */
.bolum { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.bolum-gri { background: var(--gri); }
.bolum-bas { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.bolum-bas h2 { margin: 0; }

.iki-sutun { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 5vw, 4rem); }

.sayfa-bas { background: var(--gri); border-bottom: 1px solid var(--cizgi); padding: clamp(2rem, 5vw, 3.5rem) 0; }
.sayfa-bas h1 { margin: 0; }
.sayfa-bas-metin { max-width: 70ch; margin: 1rem 0 0; }

.sektor-liste { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.sektor-liste li {
  padding: 1.4rem 1.2rem; background: #fff; border: 1px solid var(--cizgi); border-left: 6px solid var(--siyah);
  font-family: var(--baslik-yazi); font-weight: 700; font-size: 1.35rem; text-transform: uppercase; color: var(--siyah);
}
.sektor-kucuk { grid-template-columns: 1fr 1fr; margin-top: .6rem; }
.sektor-kucuk li { padding: .7rem .9rem; font-size: 1.05rem; }

.cagri { background: var(--kirmizi); color: #fff; }
.cagri-ic { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; padding: 2.4rem 0; }
.cagri h2 { color: #fff; margin: 0; }

/* ---------- Hakkında ---------- */
.yazi .giris { font-size: 1.25rem; color: var(--siyah); font-weight: 500; }
.iki-sutun:has(.yan-kutu) { grid-template-columns: 1.5fr 1fr; }
.yan-kutu { background: var(--gri); padding: 1.8rem; border-top: 6px solid var(--kirmizi); align-self: start; }
.yan-kutu h3 { margin-top: 1.6rem; text-transform: uppercase; letter-spacing: .05em; }
.yan-kutu blockquote {
  margin: 0; font-family: var(--baslik-yazi); font-weight: 700; font-size: 1.6rem; line-height: 1.2; color: var(--siyah);
}
.tik-liste { list-style: none; padding: 0; margin: 0; }
.tik-liste li { padding: .45rem 0 .45rem 1.6rem; border-bottom: 1px solid var(--cizgi); position: relative; }
.tik-liste li::before { content: ""; position: absolute; left: 0; top: 1.05em; width: 12px; height: 4px; background: var(--kirmizi); }

/* ---------- Ürünler ---------- */
.filtre { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.filtre-dugmeler { display: flex; flex-wrap: wrap; gap: 8px; }
.cip {
  padding: .45rem .95rem; border: 1px solid var(--siyah); background: #fff; color: var(--siyah); cursor: pointer;
  font-family: var(--baslik-yazi); font-weight: 600; font-size: 1rem; letter-spacing: .04em; text-transform: uppercase;
}
.cip:hover { background: var(--gri); }
.cip.secili { background: var(--siyah); color: #fff; }
.arama input {
  padding: .6rem .9rem; min-width: 240px; border: 1px solid #999; font: inherit; background: #fff;
}
.sonuc-sayi { color: var(--soluk); margin: 1rem 0; font-size: .95rem; }

.urun-izgara { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.urun { background: #fff; border: 1px solid var(--cizgi); display: flex; flex-direction: column; transition: border-color .15s; }
.urun:hover { border-color: var(--siyah); }
.urun-gorsel { aspect-ratio: 5 / 4; background: #fff; border-bottom: 4px solid var(--kirmizi); display: grid; place-items: center; overflow: hidden; }
.urun-gorsel img { width: 100%; height: 100%; object-fit: contain; }
.urun-gorsel.bos { background: var(--gri); align-content: center; gap: .6rem; color: var(--soluk); }
.cubuklar { display: grid; gap: 6px; opacity: .25; }
.cubuklar i { display: block; width: 54px; height: 10px; background: var(--siyah); }
.urun-govde { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; flex: 1; }
.urun-kat { margin: 0 0 .3rem; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--kirmizi); font-weight: 600; }
.urun h3 { font-size: 1.22rem; margin-bottom: .4rem; }
.urun-gtip { font-size: .85rem; color: var(--soluk); margin: 0 0 .8rem; }
.urun .dugme { margin-top: auto; }
.bos-sonuc { padding: 2rem; background: var(--gri); text-align: center; }

/* ---------- Katalog ---------- */
.katalog-liste { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.katalog-liste a {
  display: grid; grid-template-columns: auto 1fr; gap: .1rem 1rem; padding: 1.1rem 1.2rem; height: 100%;
  border: 1px solid var(--cizgi); text-decoration: none; color: var(--siyah); background: #fff;
}
.katalog-liste a:hover { border-color: var(--kirmizi); }
.katalog-liste .no { grid-row: span 2; font-family: var(--baslik-yazi); font-weight: 700; font-size: 2rem; line-height: 1; color: var(--kirmizi); }
.katalog-liste .ad { font-family: var(--baslik-yazi); font-weight: 700; font-size: 1.2rem; text-transform: uppercase; line-height: 1.15; }
.katalog-liste .sayfa { font-size: .88rem; color: var(--soluk); }
.pdf-kutu { margin-top: 1.2rem; border: 1px solid var(--cizgi); background: #fff; }
.pdf-kutu object { display: block; width: 100%; height: min(85vh, 900px); }
.pdf-kutu p { padding: 2rem; margin: 0; }

/* ---------- İletişim ---------- */
.kanal-liste { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.kanal {
  display: block; padding: 1.1rem 1.2rem; border: 2px solid var(--siyah); text-decoration: none; color: var(--siyah); background: #fff;
}
.kanal strong { display: block; font-family: var(--baslik-yazi); font-size: 1.35rem; text-transform: uppercase; letter-spacing: .04em; }
.kanal span { font-size: .92rem; color: var(--soluk); word-break: break-word; }
.kanal:hover { background: var(--siyah); color: #fff; }
.kanal:hover span { color: #ddd; }
.kanal-wp { border-color: var(--wp); }
.kanal-wp strong { color: var(--wp); }
.kanal-wp:hover { background: var(--wp); }
.kanal-wp:hover strong { color: #fff; }
.kanal-buyuk .kanal { padding: 1.6rem; }
.iletisim-alt { margin-top: 3rem; }

.form label { display: block; font-weight: 600; margin-bottom: 1rem; color: var(--siyah); }
.form input, .form textarea, .form select {
  display: block; width: 100%; margin-top: .35rem; padding: .7rem .8rem; border: 1px solid #999; font: inherit; background: #fff; color: var(--metin);
}
.form-hata { color: var(--kirmizi); font-weight: 600; }
address { font-style: normal; margin-bottom: 1rem; }
.harita { border: 1px solid var(--cizgi); }
.harita iframe { display: block; width: 100%; height: 320px; border: 0; }

/* ---------- Firmalar / ülkeler ---------- */
.ic-menu { margin-top: 1.2rem; display: flex; gap: 1.5rem; flex-wrap: wrap; }
.ic-menu a { font-family: var(--baslik-yazi); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.not { margin-top: 1.5rem; padding: 1rem 1.2rem; background: var(--gri); border-left: 6px solid var(--kirmizi); max-width: 62ch; }
.firma-liste, .ulke-liste { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.firma-liste li, .ulke-liste li {
  display: flex; align-items: center; gap: .9rem; padding: .9rem 1rem; background: #fff; border: 1px solid var(--cizgi);
  font-weight: 600; color: var(--siyah);
}
.ulke-kod {
  flex: none; width: 44px; padding: .25rem 0; text-align: center; background: var(--siyah); color: #fff;
  font-family: var(--baslik-yazi); font-size: 1.05rem; letter-spacing: .06em; border-bottom: 3px solid var(--kirmizi);
}

/* ---------- Alt bölüm ---------- */
.alt { background: var(--siyah); color: #cfcfcf; font-size: .95rem; }
.alt-izgara { display: grid; grid-template-columns: 1.3fr 1fr 1.3fr; gap: 2.5rem; padding: 3rem 0 2rem; }
.alt-logo { display: inline-block; background: #fff; padding: 8px 12px; margin-bottom: 1rem; }
.alt-logo img { height: 46px; width: auto; }
.alt h3 { color: #fff; text-transform: uppercase; letter-spacing: .08em; font-size: 1.1rem; }
.alt ul { list-style: none; padding: 0; margin: 0; }
.alt li { margin-bottom: .45rem; }
.alt a { color: #fff; text-decoration: none; }
.alt a:hover { text-decoration: underline; }
.alt-son { border-top: 1px solid #333; padding: 1rem 0; font-size: .85rem; color: #9a9a9a; }

/* ---------- İletişim penceresi ---------- */
.pencere {
  position: fixed; inset: 0; z-index: 100; background: rgba(0, 0, 0, .6);
  display: grid; place-items: center; padding: 20px;
}
.pencere[hidden] { display: none; }
.pencere-kutu {
  position: relative; width: min(560px, 100%); max-height: 100%; overflow: auto;
  background: #fff; padding: 2rem; border-top: 8px solid var(--kirmizi);
}
.pencere-kutu h2 { margin-bottom: .3rem; }
.pencere-urun { font-weight: 600; color: var(--siyah); font-size: 1.1rem; }
.pencere-kapat {
  position: absolute; top: 8px; right: 12px; border: 0; background: none; font-size: 2rem; line-height: 1; cursor: pointer; color: var(--siyah);
}
.pencere .kanal-liste { grid-template-columns: 1fr; margin-top: 1rem; }

/* ---------- Duyarlı düzen ---------- */
@media (max-width: 1080px) {
  .menu-dugme { display: block; }
  .menu {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; gap: 0; background: #fff; border-bottom: 5px solid var(--kirmizi); padding: .5rem 20px 1rem;
  }
  .menu.acik { display: flex; }
  .menu a { padding: .8rem 0; border-bottom: 1px solid var(--cizgi); }
  .ust { position: sticky; }
  .ust-ic { position: static; }
}
@media (max-width: 820px) {
  .kahraman-ic, .iki-sutun, .iki-sutun:has(.yan-kutu) { grid-template-columns: 1fr; }
  .rakam-izgara { grid-template-columns: 1fr 1fr; }
  .rakam-izgara div { border-left: 0; padding-left: 0; }
  .sektor-liste, .katalog-liste { grid-template-columns: 1fr 1fr; }
  .kanal-liste { grid-template-columns: 1fr; }
  .alt-izgara { grid-template-columns: 1fr; gap: 1.5rem; }
  .ust-serit-ic > span:first-child { display: none; }
  .ust-serit-ic { justify-content: flex-end; }
  .logo img { height: 50px; }
  .ust-ic { min-height: 70px; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .sektor-liste, .katalog-liste { grid-template-columns: 1fr; }
  .arama, .arama input { width: 100%; min-width: 0; }
  .ust-serit a { margin-left: .9rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* hidden özniteliği, display tanımlı öğelerde de geçerli olsun */
[hidden] { display: none !important; }