/* ===== TEKNOYAP - Ortak Stil Dosyası ===== */

:root {
  --kirmizi: #e2231a;
  --kirmizi-koyu: #a8180f;
  --siyah: #0d0d0d;
  --siyah-panel: #161616;
  --gri: #b9b9b9;
  --gri-koyu: #2a2a2a;
  --beyaz: #f5f5f5;
  --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
  background: var(--siyah);
  color: var(--beyaz);
  line-height: 1.6;
}

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

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 70px 0; }

h1, h2, h3 { font-weight: 700; line-height: 1.25; }

h2.baslik {
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--beyaz);
}

.ust-etiket {
  color: var(--kirmizi);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 8px;
  display: block;
}

.aciklama {
  color: var(--gri);
  max-width: 680px;
  margin-bottom: 40px;
}

.baslik-orta { text-align: center; margin-left: auto; margin-right: auto; }
.baslik-orta .aciklama { margin-left: auto; margin-right: auto; }

/* ===== Buton ===== */
.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 6px;
  font-weight: 700;
  border: 2px solid var(--kirmizi);
  transition: 0.25s;
  cursor: pointer;
}

.btn-dolu {
  background: var(--kirmizi);
  color: #fff;
}
.btn-dolu:hover { background: var(--kirmizi-koyu); border-color: var(--kirmizi-koyu); }

.btn-cizgili {
  background: transparent;
  color: var(--beyaz);
}
.btn-cizgili:hover { background: var(--kirmizi); border-color: var(--kirmizi); }

/* ===== Header ===== */
header {
  position: relative;
  z-index: 999;
  background: #0d0d0d;
  border-bottom: 1px solid var(--gri-koyu);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.logo-alan { display: flex; align-items: center; gap: 10px; }
.logo-alan img { height: 240px; width: auto; }

nav ul {
  list-style: none;
  display: flex;
  gap: 34px;
}

nav ul li a {
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--beyaz);
  position: relative;
  padding: 6px 0;
}

nav ul li a:hover,
nav ul li a.aktif { color: var(--kirmizi); }

.menu-buton {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}
.menu-buton span {
  width: 26px; height: 3px; background: var(--beyaz); border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 50px;
}

.hero video, .hero .hero-gorsel {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13,13,13,0.92) 30%, rgba(13,13,13,0.55) 100%);
  z-index: 1;
}

.hero-icerik {
  position: relative;
  z-index: 2;
  max-width: 620px;
}

.hero-icerik span.ust-etiket { color: var(--kirmizi); }

.hero-icerik h1 {
  font-size: 2.9rem;
  margin-bottom: 18px;
}
.hero-icerik h1 span { color: var(--kirmizi); }

.hero-icerik p {
  color: var(--gri);
  margin-bottom: 30px;
  font-size: 1.08rem;
}

.hero-butonlar { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== Sayfa Üst Bant (iç sayfalar) ===== */
.sayfa-ust {
  padding: 60px 0 60px;
  background: linear-gradient(180deg, #161616 0%, var(--siyah) 100%);
  border-bottom: 1px solid var(--gri-koyu);
  text-align: center;
}
.sayfa-ust h1 { font-size: 2.4rem; }
.sayfa-ust .yol { color: var(--gri); margin-top: 10px; font-size: 0.95rem; }
.sayfa-ust .yol span { color: var(--kirmizi); }

/* ===== Kartlar (özellikler / neden biz) ===== */
.kart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
}

.kart {
  background: var(--siyah-panel);
  border: 1px solid var(--gri-koyu);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: 0.25s;
}
.kart:hover { border-color: var(--kirmizi); transform: translateY(-4px); }

.kart .ikon {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(226,35,26,0.12);
  color: var(--kirmizi);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
  font-weight: 700;
}

.kart h3 { margin-bottom: 10px; font-size: 1.15rem; }
.kart p { color: var(--gri); font-size: 0.95rem; }

/* ===== Ürün Kartları ===== */
.urun-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.urun-kart {
  background: var(--siyah-panel);
  border: 1px solid var(--gri-koyu);
  border-radius: var(--radius);
  overflow: hidden;
  transition: 0.25s;
}
.urun-kart:hover { border-color: var(--kirmizi); }

.urun-kart .gorsel {
  overflow: hidden;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 340px;
}
.urun-kart .gorsel img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 340px;
  display: block;
  object-fit: contain;
  margin: 0 auto;
}

/* ===== Büyütülebilir görseller ===== */
.buyut-gorsel { cursor: zoom-in; transition: 0.25s; }
.buyut-gorsel:hover { opacity: 0.88; }

/* ===== Lightbox (görsel / video büyütme) ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  padding: 30px;
}
.lightbox.acik { display: flex; }
.lightbox-icerik {
  max-width: 92vw;
  max-height: 88vh;
}
.lightbox-icerik img,
.lightbox-icerik video {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: var(--radius);
  display: block;
}
.lightbox-kapat {
  position: absolute;
  top: 22px; right: 30px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--gri-koyu);
  color: #fff;
  width: 44px; height: 44px;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-kapat:hover { background: var(--kirmizi); border-color: var(--kirmizi); }

.urun-kart .icerik { padding: 24px; }
.urun-kart .icerik h3 { font-size: 1.25rem; margin-bottom: 4px; }
.urun-kart .model-yili { color: var(--kirmizi); font-weight: 700; font-size: 0.85rem; margin-bottom: 16px; display:block; }

.ozellik-listesi {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 22px;
}
.ozellik-listesi li {
  font-size: 0.88rem;
  color: var(--gri);
  padding-left: 20px;
  position: relative;
}
.ozellik-listesi li::before {
  content: "✓";
  color: var(--kirmizi);
  position: absolute;
  left: 0;
  font-weight: 700;
}

.video-kutu {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gri-koyu);
  background: #000;
  position: relative;
  max-width: 640px;
  margin: 0 auto;
}
.video-kutu video { width: 100%; display: block; max-height: 400px; }

.video-buyut-buton {
  position: absolute;
  top: 16px; right: 16px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(13,13,13,0.75);
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 5;
  transition: 0.2s;
}
.video-buyut-buton:hover { background: var(--kirmizi); border-color: var(--kirmizi); }

/* ===== İkili blok (görsel + yazı) ===== */
.ikili-blok {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.ikili-blok .gorsel-alan img,
.ikili-blok .gorsel-alan video {
  border-radius: var(--radius);
  border: 1px solid var(--gri-koyu);
  max-height: 420px;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
  display: block;
}

.vizyon-misyon {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-top: 40px;
}
.vm-kutu {
  background: var(--siyah-panel);
  border: 1px solid var(--gri-koyu);
  border-left: 4px solid var(--kirmizi);
  border-radius: var(--radius);
  padding: 28px;
}
.vm-kutu h3 { color: var(--kirmizi); margin-bottom: 12px; font-size: 1.2rem; }
.vm-kutu p { color: var(--gri); }

.marka-notu {
  margin-top: 30px;
  padding: 20px 24px;
  background: rgba(226,35,26,0.08);
  border: 1px solid rgba(226,35,26,0.35);
  border-radius: var(--radius);
  color: var(--beyaz);
  font-size: 0.98rem;
}
.marka-notu strong { color: var(--kirmizi); }

/* ===== İletişim ===== */
.iletisim-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 44px;
}

.bilgi-satir {
  display: flex;
  gap: 16px;
  margin-bottom: 26px;
  align-items: flex-start;
}
.bilgi-satir .ikon {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(226,35,26,0.12);
  color: var(--kirmizi);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.bilgi-satir h4 { font-size: 1rem; margin-bottom: 4px; }
.bilgi-satir p, .bilgi-satir a { color: var(--gri); font-size: 0.95rem; }
.bilgi-satir a:hover { color: var(--kirmizi); }

.sosyal-satir { display: flex; gap: 14px; margin-top: 10px; }
.sosyal-satir a {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--gri-koyu);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  transition: 0.25s;
}
.sosyal-satir a:hover { background: var(--kirmizi); border-color: var(--kirmizi); }

.harita-kutu {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gri-koyu);
  min-height: 380px;
}
.harita-kutu iframe { width: 100%; height: 100%; min-height: 380px; border: 0; }

/* ===== Form ===== */
.form-alan { display: grid; gap: 16px; }
.form-alan input, .form-alan textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--siyah-panel);
  border: 1px solid var(--gri-koyu);
  border-radius: 6px;
  color: var(--beyaz);
  font-family: inherit;
  font-size: 0.95rem;
}
.form-alan input:focus, .form-alan textarea:focus {
  outline: none;
  border-color: var(--kirmizi);
}
.form-satir { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ===== CTA bandı ===== */
.cta-band {
  background: linear-gradient(120deg, var(--kirmizi-koyu), var(--kirmizi));
  border-radius: var(--radius);
  padding: 46px;
  text-align: center;
  margin: 0 auto;
}
.cta-band h2 { margin-bottom: 10px; }
.cta-band p { color: rgba(255,255,255,0.9); margin-bottom: 24px; }
.cta-band .btn-cizgili { border-color: #fff; color: #fff; }
.cta-band .btn-cizgili:hover { background: #fff; color: var(--kirmizi); }

/* ===== Footer ===== */
footer {
  background: #0a0a0a;
  border-top: 1px solid var(--gri-koyu);
  padding: 50px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}
.footer-grid .logo-alan img { height: 110px; margin-bottom: 14px; }
.footer-grid p { color: var(--gri); font-size: 0.92rem; max-width: 320px; }
.footer-grid h4 { margin-bottom: 16px; font-size: 1rem; }
.footer-grid ul { list-style: none; }
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid ul li a { color: var(--gri); font-size: 0.92rem; }
.footer-grid ul li a:hover { color: var(--kirmizi); }

.alt-bant {
  border-top: 1px solid var(--gri-koyu);
  padding-top: 20px;
  text-align: center;
  color: var(--gri);
  font-size: 0.85rem;
}
.alt-bant a { color: var(--kirmizi); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .ikili-blok, .iletisim-grid, .vizyon-misyon { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-icerik h1 { font-size: 2.2rem; }

  .logo-alan img { height: 160px; }
}

@media (max-width: 760px) {
  .logo-alan img { height: 110px; }
  .navbar { padding: 10px 20px; }

  nav ul {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--siyah);
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    gap: 20px;
    border-bottom: 1px solid var(--gri-koyu);
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
  }
  nav ul.acik { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .menu-buton { display: flex; }
  .hero-icerik { max-width: 100%; }
  .form-satir { grid-template-columns: 1fr; }
  .ozellik-listesi { grid-template-columns: 1fr; }
}