/* Genel Ayarlar */
html, body {
  margin: 0;
  padding: 0;
  /* Inter yerine sistem fontları ile optimize */
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  height: 100%;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img {
  max-width: 100%;
  height: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Arka Plan Videoları */
/* Buraya dokunmadım, birebir senin verdiğin kod */
#background-video,
#background-video-2 {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

/* Ana Sayfa Overlay */
.overlay {
  background: rgba(0, 0, 0, 0.8);
  width: 100%;
  min-height: 100vh;
  color: white;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

/* Header / Navbar */
header {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0;
  gap: 60px;
}

.logo {
  font-size: 2rem;
  font-weight: 700; /* 10px hatalıydı, düzelttim */
  letter-spacing: 1px;
  width: 140px;
  
}

nav ul {
  display: flex;
  list-style: none;
  gap: 40px;
  padding: 0;
  margin: 0;
}

nav a {
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 600;
  transition: opacity 0.3s ease;
  position: relative;
  will-change: opacity;
}

nav a:hover {
  opacity: 0.7;
}

nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  display: block;
  margin-top: 5px;
  right: 0;
  background: white;
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
  left: 0;
}

/* Promo Kartlar */
.promo-section {
  flex-grow: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px;
  padding: 10px;
}

.promo-card {
  width: 380px;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.3);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  cursor: pointer;
  will-change: transform;
}

.promo-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.5);
}

.promo-card video {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.promo-info {
  padding: 20px;
  text-align: center;
}

.promo-info h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 10px;
  text-transform: uppercase;
  color: #ffffff;
}

.promo-info p {
  font-size: 1rem;
  opacity: 0.85;
}

/* Call to Action */
.call-to-action {
  text-align: center;
  padding: 30px 20px;
  background: rgba(0, 0, 0, 0.3);
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 15px;
  color: #ffffff;
}

.cta-content p {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 30px auto;
  line-height: 1.6;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  background: linear-gradient(45deg, #007bff, #00c6ff);
  color: white;
  padding: 15px 40px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 700;
  transition: all 0.3s ease;
  box-shadow: 0 8px 20px rgba(0, 123, 255, 0.4);
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background: linear-gradient(45deg, #0056b3, #0099e6);
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 12px 25px rgba(0, 123, 255, 0.6);
}

/* İkinci Sayfa (Paketler) */
.second-screen {
  position: relative;
  height: 100vh;
  width: 100%;
  color: white;
  overflow: hidden;
}

#background-video-2 {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  object-fit: cover;
  z-index: -2;
}

.second-overlay {
  background: rgba(0, 0, 0, 0.85);
  height: 100%;
  width: 100%;
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 20px;
}

/* Paket Kartları */
.package-switcher {
  width: 100%;
  max-width: 900px;
  text-align: center;
  position: relative;
}

.package-box {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  padding: 40px 30px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.4);
  transition: opacity 0.6s ease, transform 0.6s ease;
  opacity: 0;
  transform: scale(0.9);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  margin: auto;
  z-index: 0;
  pointer-events: none;
  will-change: opacity, transform;
}

.package-box.active {
  opacity: 1;
  transform: scale(1);
  position: relative;
  z-index: 1;
  pointer-events: auto;
}

.package-box h2 {
  font-size: 2.2rem;
  margin-bottom: 25px;
}

.package-box ul {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
  text-align: left;
  max-width: 700px;
  margin-inline: auto;
  columns: 2;
  column-gap: 40px;
  column-rule: 1px solid rgba(255, 255, 255, 0.1);
}

.package-box ul li {
  font-size: 1.1rem;
  margin-bottom: 12px;
  opacity: 0.9;
  position: relative;
  padding-left: 20px;
}

.package-box ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #00c6ff;
}

.price-list p {
  font-size: 1.1rem;
  margin: 5px 0;
  color: #ffffff;
}

/* Satın Al Butonu */
.buy-button {
  display: inline-block;
  background: linear-gradient(45deg, #25D366, #128C7E);
  color: white;
  padding: 14px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 8px 20px rgba(18, 140, 126, 0.4);
  margin-top: 20px;
  cursor: pointer;
}

.buy-button:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 25px rgba(18, 140, 126, 0.6);
}

/* Paket Geçiş Butonu */
#switch-btn {
  margin-top: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 12px 25px;
  font-size: 1rem;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.3s ease;
}

#switch-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}


/* Popup ana kutu - tam ortada */
.uyari-kutusu {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  
  width: 320px;
  max-width: 90vw;
  
  background: linear-gradient(135deg, rgb(255, 60, 60), rgb(180, 0, 0));
  color: #fff;
  
  padding: 30px 25px 25px 25px;
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(255, 0, 0, 0.6);
  
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  text-align: center;
  
  z-index: 9999;
  
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

/* Popup görünür olduğunda */
.uyari-kutusu.goster {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Kapat butonu - sağ üst köşede */
.kapat-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  
  background: transparent;
  border: none;
  color: #fff;
  
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  
  transition: color 0.3s ease;
}

.kapat-btn:hover {
  color: #ff9999;
}

/* Mesaj paragrafı */
.uyari-mesaji {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 20px;
  user-select: none;
}

/* WhatsApp butonu */
.wp-button {
  display: inline-block;
  background-color: #25D366;
  color: white;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 12px 28px;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 5px 15px rgba(37, 211, 102, 0.45);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  user-select: none;
}

.wp-button:hover {
  background-color: #1DA851;
  box-shadow: 0 7px 20px rgba(29, 168, 81, 0.6);
}

/* Geri sayım yazısı */
.kalan-sure {
  margin-top: 20px;
  font-size: 0.9rem;
  opacity: 0.85;
  font-weight: 600;
  font-family: 'Segoe UI', sans-serif;
  user-select: none;
}


























/* Responsive Düzenlemeler */
@media (max-width: 1200px) {
  .promo-card {
    width: 340px;
  }
}

@media (max-width: 760px) {
  html, body {
    font-size: 14px;
    overflow-x: hidden;
  }

 .logo {
  font-size: 2rem;
  font-weight: 700; /* 10px hatalıydı, düzelttim */
  letter-spacing: 1px;
  width: 100px;
  
}

  .overlay {
    padding: 0px;
  }

  header {
    flex-direction: column;
    gap:10px;
    padding: 2px;
  }

  nav ul {
    flex-direction: row; /* Yatay hizalı navbar */
    gap: 30px;
    align-items: center;
    flex-wrap: wrap; /* Sığmazsa alta kayar */
  }

  nav a {
    font-size: 0.95rem; /* Fontu biraz küçülttüm */
    transition: none; /* Animasyon performansı için kapattım */
  }

  .promo-section {
    gap: 10px;
    padding: 5px;
  }

  .promo-card {
    width: 100%;
    max-width: 320px;
    margin-bottom: 10px;
    box-shadow: none; /* Gölgeyi kaldırır */
    backdrop-filter: none; /* Performansı artırır */
    transition: none; /* Animasyonları kapatır */
  }

  .promo-card video {
    height: 140px; /* Daha küçük video boyutu */
  }

  .promo-info {
    padding: 10px;
  }

  .promo-info h2 {
    font-size: 1.2rem;
  }

  .promo-info p {
    font-size: 0.85rem;
  }


  .second-overlay {
    padding: 1px;
  }

  .package-switcher {
    max-width: 320px;
  }

  .package-box {
    padding: 10px;
    box-shadow: none;
    backdrop-filter: none;
    transition: none;
  }

  .package-box h2 {
    font-size: 1.5rem;
  }

  .package-box ul {
    font-size: 0.85rem;
  }

  .package-box ul li {
    font-size: 0.95rem;
    padding-left: 15px;
  }

  .price-list p {
    font-size: 0.9rem;
  }

  .buy-button {
    width: 100%;
    padding: 10px 0;
    font-size: 0.9rem;
    box-shadow: none;
    transition: none;
  }

  #switch-btn {
    width: 100%;
    padding: 8px 20px;
    font-size: 0.9rem;
    box-shadow: none;
    transition: none;
  }
  
  




}

/* Feature Columns */
.feature-columns {
  display: flex;
  justify-content: center;
  gap: 40px;
  max-width: 800px;
  margin: 0 auto 30px auto;
  flex-wrap: wrap;
  text-align: left;
}

.feature-columns ul {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
  min-width: 200px;
}

.feature-columns ul li {
  font-size: 1.1rem;
  margin-bottom: 12px;
  opacity: 0.9;
  position: relative;
  padding-left: 24px;
}

.feature-columns ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #00c6ff;
}