* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
  background: #fff;
  -webkit-tap-highlight-color: transparent;
}

/* ===== NAV ===== */
.landing-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding: 12px 24px;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav-logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: #333;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  padding: 40px 24px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('bg.png') repeat;
  background-size: 250px;
  opacity: 0.06;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
  line-height: 1.4;
}

/* ===== AD SLOTS ===== */
.ad-slot {
  max-width: 728px;
  margin: 24px auto;
  min-height: 0;
  text-align: center;
}

.ad-slot:empty {
  display: none;
}

/* ===== APP EMBED (iframe tablet cercevesi) ===== */
.app-embed {
  padding: 40px 24px;
  background: #f8f9fa;
}

.app-embed-inner {
  max-width: 860px;
  margin: 0 auto;
}

.phone-frame {
  position: relative;
  background: #1a1a2e;
  border-radius: 28px;
  padding: 14px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), inset 0 0 0 2px rgba(255, 255, 255, 0.1);
  height: 86vh;
  max-height: 1080px;
  min-height: 560px;
  overflow: hidden;
}

.phone-notch {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 24px;
  background: #1a1a2e;
  border-radius: 50%;
  z-index: 10;
}

.fullscreen-btn {
  position: absolute;
  top: 22px;
  right: 22px;
  z-index: 20;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.fullscreen-btn:hover {
  background: rgba(0, 0, 0, 0.75);
  transform: scale(1.1);
}

.phone-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 16px;
  background: #fff;
}

/* ===== FEATURES ===== */
.features {
  padding: 60px 24px;
  text-align: center;
}

.features h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 40px;
}

.features-inner {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 24px 12px;
  text-align: center;
}

.feature-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #555;
  line-height: 1.4;
}

/* ===== SEO CONTENT ===== */
.seo-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px;
}

.seo-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 20px;
  margin-top: 32px;
}

.seo-content h2:first-child {
  margin-top: 0;
}

.seo-content p {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.7;
}

.seo-games {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.seo-game {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 20px;
}

.seo-game h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 8px;
}

.seo-game p {
  font-size: 0.85rem;
  color: #666;
  line-height: 1.6;
}

@media (max-width: 600px) {
  .seo-games {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* ===== DOWNLOAD ===== */
.download {
  padding: 60px 24px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  text-align: center;
}

.download h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 32px;
}

.download-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
}

.store-badge:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* ===== FOOTER ===== */
.landing-footer {
  background: #1a1a2e;
  padding: 32px 24px;
  text-align: center;
}

.footer-inner {
  max-width: 800px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-copy {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
}

/* ===== TABLET (768px) ===== */
@media (max-width: 768px) {
  .hero {
    padding: 32px 20px 24px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .app-embed {
    padding: 32px 16px;
  }

  .app-embed-inner {
    max-width: 640px;
  }

  .phone-frame {
    height: 78vh;
  }

  .features-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

/* ===== TELEFON (600px) ===== */
@media (max-width: 600px) {
  .landing-nav {
    padding: 10px 16px;
  }

  .hero {
    padding: 28px 16px 20px;
  }

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

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .app-embed-inner {
    max-width: 480px;
  }

  .phone-frame {
    height: 65vh;
    border-radius: 24px;
    padding: 10px;
  }

  .phone-frame iframe {
    border-radius: 14px;
  }

  .features {
    padding: 40px 16px;
  }

  .features h2 {
    font-size: 1.6rem;
    margin-bottom: 28px;
  }

  .features-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .download {
    padding: 40px 16px;
  }

  .download h2 {
    font-size: 1.6rem;
  }

  .store-badge {
    padding: 12px 20px;
    font-size: 0.9rem;
  }
}

/* ===== COK KUCUK TELEFON (360px) ===== */
@media (max-width: 360px) {
  .hero-title {
    font-size: 1.5rem;
  }

  .nav-logo-text {
    font-size: 1rem;
  }
}