/* ==========================================================================
   IC Nükleer Teknoloji — İç sayfa kabuğu
   Başlık alanı, kırıntı yolu ve üst menü uyarlaması
   ========================================================================== */

.inner-page {
  min-height: 100vh;
  overflow: hidden;
  background: #fff;
  color: #073d2f;
}

/* Üst menü iç sayfalarda içeriğin üzerinde durur */
.topbar.inner-header {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  background: none;
  border-bottom: 0;
  opacity: 1;
  transform: none;
}

.topbar.inner-header.menu-active {
  position: fixed;
}

/* --------------------------------------------------------------------------
   Sayfa başlığı
   -------------------------------------------------------------------------- */
.inner-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  min-height: 440px;
  padding: 175px 24px 58px;
  overflow: hidden;
  border-bottom: 1px solid #073d2f1a;
  text-align: center;
}

/* Fotoğrafı yumuşatan perde */
.inner-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(#f8fbf980, #f9fcfac7 55%, #fff),
    linear-gradient(90deg, #ffffffe6, #fff3, #ffffffd6);
}

.inner-hero::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  z-index: 2;
  height: 100px;
  background: linear-gradient(#0000, #fff);
}

.inner-hero-photo {
  position: absolute;
  inset: 0;
  background: url('../img/hero-facility-wide.jpg') 50% / cover;
  filter: saturate(0.65) contrast(0.88) brightness(1.12);
  transform: scale(1.02);
}

/* Sayfaya özel arka plan fotoğrafları */
.contact-hero .inner-hero-photo {
  background-image: url('../img/hero-facility-close.jpg');
}

.corporate-hero .inner-hero-photo {
  background-image: url('../img/hero-facility-sunset.jpg');
  background-position: 50% 48%;
}

/* Izgara dokusu */
.inner-hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.09;
  background-image:
    linear-gradient(#07503b40 1px, #0000 1px),
    linear-gradient(90deg, #07503b40 1px, #0000 1px);
  background-size: 78px 78px;
  -webkit-mask-image: linear-gradient(90deg, #000, #0000 78%);
  mask-image: linear-gradient(90deg, #000, #0000 78%);
}

/* Dekoratif atom */
.inner-hero-atom {
  position: absolute;
  top: 50%;
  right: 5vw;
  z-index: 2;
  width: min(24vw, 340px);
  color: #0b7657;
  opacity: 0.11;
  transform: translateY(-45%);
  animation: atom-float 16s ease-in-out infinite;
}

.inner-hero-atom svg {
  width: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.25px;
}

.inner-hero-atom circle {
  fill: currentColor;
  stroke: none;
}

.inner-hero h1 {
  position: relative;
  z-index: 3;
  margin: 0;
  font-size: clamp(60px, 7vw, 110px);
  font-weight: 300;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

/* --------------------------------------------------------------------------
   Kırıntı yolu
   -------------------------------------------------------------------------- */
.breadcrumb {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 30px;
  padding: 13px 20px;
  border: 1px solid #ffffffb3;
  border-radius: 999px;
  background: #ffffff7a;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 15px 40px #05362814, inset 0 1px #ffffffe6;
  color: #073d2f75;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.breadcrumb a:hover {
  color: #0b7657;
}

.breadcrumb strong {
  color: #117657;
  font-weight: 750;
}

/* --------------------------------------------------------------------------
   Bölüm başlıkları (haber arşivi ve iletişim ortak kullanır)
   -------------------------------------------------------------------------- */
.section-intro > div > span,
.section-intro > span {
  color: #16815f;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-intro h2 {
  max-width: 720px;
  margin: 22px 0 0;
  font-size: clamp(48px, 5.4vw, 86px);
  font-weight: 300;
  letter-spacing: -0.06em;
  line-height: 0.96;
}

/* --------------------------------------------------------------------------
   Duyarlı davranış
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .inner-hero {
    min-height: 350px;
    padding: 125px 20px 48px;
  }

  .inner-hero h1 {
    font-size: clamp(52px, 15vw, 68px);
  }

  .inner-hero-atom {
    top: 57%;
    right: -22vw;
    width: 60vw;
    opacity: 0.075;
  }

  .breadcrumb {
    margin-top: 24px;
    padding: 11px 16px;
  }
}