* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

header {
  position: fixed;
  top: 40px;
  right: 50px;
  z-index: 100;
}

.toggle {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toggle span {
  display: block;
  width: 45px;
  height: 5px;
  background-color: white;
  border-radius: 2px;
}

/* Hero Section Ana Yapı */
.hero-section {
  position: relative;
  height: 100vh;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background-color: #000;
}

/* Arka Plan Görseli */
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.8;
}

/* İçerik Katmanı */
.hero-section-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  padding: 0 20px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

/* Başlık (HAS) */
.hero-section-header {
  font-size: clamp(4rem, 15vw, 10rem);
  font-weight: 900;
  letter-spacing: -8px;
  margin-bottom: 30px;
  line-height: 1;
}

/* Açıklama Metni */
.hero-section-description {
  font-size: clamp(1rem, 10vw, 3rem);
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  line-height: 1.4;
  /* max-width: 800px; */
}

.about {
  background-color: #000;
  color: #fff;
  padding: 80px 2%;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  text-align: center;
}

.about-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;

  max-width: 1300px;
}

/* Üst Metin */
.about-description {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 1px;

  width: 80%;
  align-self: center;
  justify-self: center;
}

.about-description-container-2 {
  display: flex;
  align-items: center;
  text-align: left;
}

.about-description-2 {
  font-size: 2.4rem;
  font-weight: 500;
}

.about-description-container-2 img {
  width: 1000px;
  height: 550px;
  object-fit: contain;
}

.highlight {
  color: #ff0000;
}

/* Ana İçerik ve Başlıklar */
.red-title {
  color: #ff0000;
  font-size: 3.5rem;
  margin: 40px 0 20px;
  text-transform: uppercase;
}

.content-text {
  font-size: 2.4rem;
  font-weight: 600;
  color: #fff;
}

/* Buton Tasarımı */
.avio-test-btn {
  background-color: #ff0000;
  color: white;
  border: none;
  padding: 25px 40px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 3rem;
  cursor: pointer;

  margin: 30px 0;
  transition: transform 0.3s ease;
}

.avio-test-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.4);
}

/* Rozetler (Badges) */
.badge-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin: 30px 0;
}

.badge {
  background: white;
  color: black;
  padding: 10px 20px;
  font-weight: 800;
  font-size: 2rem;
  border-radius: 20px;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);

  width: 300px;
}

.full-width-img {
  width: 100%;
  max-width: 1000px;
}

.main-logo {
  width: 100%;
  margin-bottom: 10px;
}

.logo-img-wrapper {
  max-width: 400px;
  margin: 0 auto;
}

.airline-logos {
  display: flex;
  align-items: center;
  max-width: 1000px;
  max-height: 300px;
  margin-bottom: 100px;
  width: 100%;
}

.airline-logos > * {
  max-width: 100%;
}

.app-interface {
  max-width: 1200px;
  width: 100%;
}

.app-screenshot {
  max-width: 100%;
  height: auto;
}

.description-section {
  background-color: #000;
  color: #fff;
  padding: 4rem 10%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;

  gap: 40px;
}

.description-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 80px;
  max-width: 1290px;
  width: 100%;
}

.text-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.description-block strong {
  color: #fff;
  font-weight: 700;
}

.footer {
  background-color: #0d3b66;
  color: #ffffff;
  padding: 80px 10% 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* HAS Başlığı */
.footer-logo {
  font-size: 8rem;
  font-weight: 900;
  margin-bottom: 50px;
  letter-spacing: -2px;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Link Konteynırı */
.footer-links-container {
  display: flex;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  gap: 40px;
}

/* Sütun Düzeni */
.footer-column {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.footer-column-title {
  font-size: 1.2rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-link {
  color: #ffffff;
  text-decoration: underline;
  font-size: 1.5rem;
  transition: opacity 0.3s ease;
  font-weight: 400;
}

.footer-link:hover {
  opacity: 0.7;
}

/* ============================================================
   RESPONSIVE DÜZENLEMELER (YAPIYI BOZMADAN GÜNCELLEMELER)
   ============================================================ */

@media (max-width: 1024px) {
  .about-description-container-2 img {
    width: 100%;
    height: auto;
    max-width: 800px;
  }

  .footer-logo {
    font-size: 6rem;
  }
}

@media (max-width: 768px) {
  header {
    top: 20px;
    right: 20px;
  }

  .toggle span {
    width: 35px;
    height: 4px;
  }

  .hero-section-header {
    letter-spacing: -4px;
  }

  .hero-section-description {
    letter-spacing: 1.5px;
    font-size: 1.5rem;
  }

  .about {
    padding: 60px 5%;
  }

  .about-description {
    font-size: 1.8rem;
    width: 100%;
  }

  .about-description-container-2 {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

  .about-description-container-2 img {
    width: 100%;
    height: auto;
  }

  .about-description-2 {
    font-size: 1.6rem;
  }

  .red-title {
    font-size: 1.8rem;
    margin: 20px 0;
  }

  .content-text {
    font-size: 1.2rem;
  }

  .avio-test-btn {
    font-size: 1.4rem;
    padding: 15px 30px;
  }

  .badge {
    width: 100%;
    max-width: 280px;
    font-size: 1.2rem;
  }

  .airline-logos {
    margin-bottom: 40px;
  }

  .description-section {
    padding: 3rem 5%;
  }

  .description-block {
    gap: 40px;
  }

  .footer-links-container {
    flex-direction: column;
    gap: 40px;
  }

  .footer-logo {
    font-size: 4rem;
    margin-bottom: 30px;
  }

  .footer-link {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .hero-section-header {
    font-size: 4.5rem;
    letter-spacing: -2px;
  }

  .hero-section-description {
    font-size: 1.1rem;
  }

  .about-description {
    font-size: 1.4rem;
  }

  .red-title {
    font-size: 1.5rem;
  }

  .content-text {
    font-size: 1.1rem;
  }
}