:root{
  --primary:#1f2a44;
  --secondary:#475569;
  --bg:#f8fafc;
}

body{
  font-family:'Inter',sans-serif;
  color:var(--primary);
  background:#fff;
  padding-top:80px; /* fixed navbar offset */
}

/* NAVBAR */
.navbar{
  background:#fff;
  border-bottom:1px solid #e5e7eb;
}

.nav-link{
  font-weight:500;
  color:var(--primary);
}

/* WRAP */
.wrap{
  max-width:1140px;
  margin:auto;
  padding:0 20px;
}

/* HERO */
.hero{
  background:linear-gradient(180deg,#f1f5ff,#ffffff);
  /*padding:80px 0;*/
  padding: 80px 0px 0px 0px;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:48px;
  align-items:center;
}

.hero h1{
  font-weight:700;
  line-height:1.25;
}

.hero p{
  color:var(--secondary);
  font-size:1.05rem;
}

/* VIDEO */

.video-box {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  /*box-shadow: 0 20px 40px rgba(31,42,68,.15);*/
}

.hero-video {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

@media (max-width: 992px) {
  .hero-video {
    height: 220px;
  }
}


/* SECTIONS */
.section{
  padding:40px 0;
}

.section-title{
  font-weight:700;
  margin-bottom:24px;
}

.lead-text{
  max-width:860px;
  margin:auto;
  color:var(--secondary);
  line-height:1.8;
}

/* UYGULAMA ALANLARI */
.card{
  border:none;
  border-radius:16px;
  box-shadow:0 10px 30px rgba(0,0,0,.06);
}

.card h5{
  font-weight:600;
}




.info-box {
  background: #f8f9fb;
  padding: 40px;
  border-radius: 12px;
}

.list-style {
  padding-left: 18px;
}

.list-style li {
  margin-bottom: 10px;
}

.info-card {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.map-box iframe {
  border-radius: 12px;
}

/* FOOTER */
footer{
  background:var(--primary);
  color:#e5e7eb;
  padding:50px 0;
}

.yd-footer {
  background: #1f2a44;
  color: #e5e9f2;
  padding: 60px 20px 0;
  font-size: 14px;
}

.yd-footer-wrap {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
}

.yd-footer-col h6 {
  font-size: 14px;
  margin-bottom: 12px;
  color: #ffffff;
  letter-spacing: 0.5px;
}

.yd-footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.yd-footer-col ul li {
  margin-bottom: 8px;
  color: #cfd6e6;
}

.yd-footer-logo strong {
  font-size: 18px;
  letter-spacing: 0.5px;
}

.yd-footer-desc {
  margin-top: 10px;
  color: #cfd6e6;
  line-height: 1.6;
}

.yd-footer-bottom {
  margin-top: 50px;
  padding: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  color: #b8c1d6;
}




.breadcrumb-section {
  background: #f5f7fb;
  padding: 20px 0;
  border-bottom: 1px solid #e3e7f0;
  margin-top: 65px; /* navbar yüksekliği kadar */
}

.breadcrumb a {
  text-decoration: none;
  color: #1f2a44;
}

.breadcrumb-item.active {
  color: #6c757d;
}


.about-image-box {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.about-image-box img {
  width: 100%;
  height: auto;
  display: block;
}


#parallaxArea {
  position: relative;
  overflow: hidden;
}

.parallax-img {
  width: 100%;
  display: block;
  transform: translate3d(0,0,0);
  transition: transform 0.25s ease-out;
  will-change: transform;
}

@media (max-width: 992px) {
  .parallax-img {
    transform: none !important;
  }
}



/* MOBILE */
@media (max-width: 992px){
  .hero-grid{
    grid-template-columns:1fr;
  }

  .video-box iframe{
    height:220px;
  }

  .hero{
    padding:60px 0;
  }
}


/* MOBIL MENU KAYMA FIX */
@media (max-width: 991px) {

  .navbar-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 16px 24px;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 12px 30px rgba(0,0,0,.08);
  }

  .navbar-nav {
    gap: 12px;
  }
}