* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  font-family: "Segoe UI", sans-serif;
  line-height: 1.6;
  scroll-behavior: smooth;
}

.page-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: #f5f5f5;
}

main {
  flex: 1;
}

body {
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

header {
  background: #fff;
  padding: 20px 0;
  border-bottom: 1px solid #ddd;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.container.header-inner {
  max-width: none;
  width: 100%;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-area {
  display: flex;
  align-items: center;
}
.logo-img {
  height: 40px;
  margin-right: 10px;
  border: 2px solid white;
  border-radius: 4px;
}
.logo-text {
  font-weight: bold;
  font-size: 35px;
  text-shadow:
    0 0 5px rgba(0, 0, 0, 0.9),
    0 0 15px rgba(0, 0, 0, 0.7);
}
header nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 20px;
}
header nav a {
  text-decoration: none;
  color: #333;
}
header .lang {
  margin-left: 20px;
  padding: 5px 10px;
  border: 1px solid #ccc;
  background: #f8f8f8;
  cursor: pointer;
}

.hero {
  position: relative;
  margin-top: 20px;
}
.hero img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  display: block;
}
.hero-text {
  position: absolute;
  top: 30%;
  left: 10%;
  color: white;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.7);
}
.hero-text h1 {
  font-size: 36px;
  margin: 0 0 10px;
}
.hero-text p {
  font-size: 18px;
}
.hero-text .btn {
  margin-top: 15px;
  padding: 10px 20px;
  background: #007bff;
  color: white;
  text-decoration: none;
  border-radius: 4px;
}

.bg-text-section {
  position: relative;
  text-align: center;
  color: white;
  overflow: hidden;
}
.background-img {
  display: block;
  margin: 0 auto;
  max-height: 600px;
  height: auto;
  width: auto;
  opacity: 0.5;
}
.overlay-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}
.overlay-text h2 {
  font-size: 28px;
  margin-bottom: 10px;
}
.overlay-text p {
  font-size: 16px;
}

.features {
  padding: 20px 0;
  background: #fff;
}
.features h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 10px;
}
.features .subtext {
  text-align: center;
  margin-bottom: 40px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.feature-box {
  border: 1px solid #ddd;
  padding: 20px;
  border-radius: 6px;
  background: #f9f9f9;
}

footer.footer-info {
  background: #f8f8f8;
  padding: 30px 0 10px;
  text-align: center;
  font-size: 15px;
}
footer.footer-copyright {
  background: #222;
  color: white;
  padding: 10px 0;
  text-align: center;
  font-size: 13px;
  margin-top: auto;
}

.dark-header {
  background-color: #002a6d;
  color: white;
}
.dark-header a {
  color: white;
}
.centered-hero .hero-text {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.about-section {
  padding: 80px 20px 40px;
  background-color: #f5f5f5;
  text-align: center;
}
.about-title {
  font-size: 42px;
  font-weight: bold;
  margin-bottom: 20px;
  color: #111;
}
.about-text {
  max-width: 800px;
  margin: 0 auto;
  font-size: 20px;
  line-height: 1.6;
  color: #333;
}
.mv-heading {
  font-size: 26px;
  margin-top: 40px;
  color: #2c3e50;
}
.mission-vision {
  background-color: #f5f5f5;
  padding: 60px 20px;
  text-align: center;
}
.mission-vision h2 {
  font-size: 32px;
  margin-bottom: 10px;
  color: #2c3e50;
}
.mission-vision p {
  max-width: 800px;
  margin: 0 auto 40px;
  font-size: 18px;
  color: #444;
  line-height: 1.6;
}
header nav a.active {
  color: #ffc107; /* Sarımsı bir vurgu tonu */
  font-weight: bold;
  border-bottom: 2px solid #ffc107;
  padding-bottom: 4px;
}

.reference-section {
  padding: 60px 20px;
  background-color: #f7f7f7;
  text-align: center;
}

.about-title {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 40px;
}

.reference-list {
  list-style: none;
  padding: 0;
  max-width: 700px;
  margin: 0 auto;
  font-size: 20px;
  color: #333;
}

.reference-list li {
  margin-bottom: 15px;
  text-transform: capitalize;
}

.reference-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.reference-item {
  background-color: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease;
}

.reference-item:hover {
  transform: scale(1.03);
}

.reference-item img {
  height: 40px;
  margin-bottom: 10px;
}

.reference-item p {
  font-size: 17px;
  font-weight: 500;
  color: #333;
}

.contact-section {
  padding: 50px 20px;
  background: #fff;
  text-align: center;
}
.contact-title {
  font-size: 36px;
  margin-bottom: 40px;
  color: #002f6c;
}
.contact-details {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 30px;
}
.contact-item {
  background: #f0f0f0;
  padding: 20px 30px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  width: 280px;
}
.contact-item h3 {
  margin-bottom: 10px;
  color: #333;
}
.product-gallery {
  background: #f9f9f9;
  padding: 40px 0;
}
.pano-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.pano-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
  padding: 10px;
}
.pano-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 4px;
}
.pano-card p {
  margin-top: 10px;
  font-weight: bold;
}