/* Reset ve Temel Stiller */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}

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

/* Header Stilleri */
.header {
  background: linear-gradient(135deg, #ffc6c6 0%, #ffb3ba 100%);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.navbar {
  padding: 1rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.nav-brand a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.logo {
  height: 40px;
  width: 40px;
  border-radius: 8px;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.3s ease;
}

.nav-link:hover {
  opacity: 0.8;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  color: #333;
  padding: 120px 0 80px;
  margin-top: 70px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: #333;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: bold;
  color: #495057;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.hero-buttons {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-buttons a {
  transition: all 0.3s ease;
  border-radius: 10px;
  overflow: hidden;
  display: inline-block;
  width: 150px;
  height: 50px;
}

.hero-buttons a:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* Buton stilleri artık direkt a elementlerine uygulanıyor */

.store-badge {
  height: 50px;
  width: 150px;
  object-fit: contain;
  object-position: center;
}

.hero-image {
  text-align: center;
}

.app-icon {
  width: 200px;
  height: 200px;
  border-radius: 40px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Sections Genel Stilleri */
.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  color: #333;
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 3rem;
}

/* Features Section */
.features {
  padding: 80px 0;
  background: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  border: 1px solid #e9ecef;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: block;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ffc6c6, #ffb3ba);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.12);
  border-color: #ffc6c6;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-title {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #333;
}

.feature-description {
  color: #666;
  line-height: 1.6;
}

/* Experts Section */
.experts {
  padding: 80px 0;
  background: #f8f9fa;
}

.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.expert-card {
  background: white;
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  border: 1px solid #e9ecef;
  position: relative;
  overflow: hidden;
}

.expert-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ffc6c6, #ffb3ba);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.expert-card:hover::before {
  transform: scaleX(1);
}

.expert-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
  border-color: #ffc6c6;
}

.expert-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  border: 4px solid #f8f9fa;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.expert-card:hover .expert-photo {
  border-color: #ffc6c6;
  transform: scale(1.05);
}

.expert-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: #495057;
  margin-bottom: 0.5rem;
}

.expert-rating {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  margin-top: 0.5rem;
}

.expert-rating .star {
  font-size: 1rem;
  color: #ffc107;
}

.expert-rating .rating-number {
  font-size: 1rem;
  font-weight: 600;
  color: #6c757d;
}

/* Testimonials Section */
.testimonials {
  padding: 80px 0;
  background: white;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: #fff;
  padding: 2rem;
  border-radius: 20px;
  border-left: 4px solid #ffc6c6;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.testimonial-rating {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 1rem;
  color: #555;
  line-height: 1.6;
}

.testimonial-author {
  font-weight: 600;
  color: #6c757d;
}

/* Download Section */
.download {
  padding: 80px 0;
  background: linear-gradient(135deg, #dae1ff 0%, #ffdada 100%);
  color: #000;
  text-align: center;
}

.download-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.download-description {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.download-buttons {
  margin-bottom: 3rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.download-buttons a {
  transition: all 0.3s ease;
  border-radius: 10px;
  overflow: hidden;
  display: inline-block;
  width: 180px;
  height: 60px;
}

.download-buttons a:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* Download buton stilleri artık direkt a elementlerine uygulanıyor */

.store-badge-large {
  height: 60px;
  width: 180px;
  object-fit: contain;
  object-position: center;
}

.download-features {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.download-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-check {
  color: #4ade80;
  font-weight: bold;
  font-size: 1.2rem;
}

/* Footer */
.footer {
  background: #f8f9fa;
  color: #495057;
  padding: 40px 0;
  border-top: 1px solid #e9ecef;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-logo {
  height: 40px;
  width: 40px;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.footer-description {
  opacity: 0.8;
  line-height: 1.6;
}

.footer-links h4 {
  margin-bottom: 1rem;
  color: #495057;
  font-weight: 600;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #6c757d;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #ffc6c6;
}

.footer-contact h4 {
  margin-bottom: 1rem;
  color: #495057;
  font-weight: 600;
}

.footer-contact a {
  color: #495057;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-contact a:hover {
  color: #ffc6c6;
}

/* Responsive Tasarım */
@media (max-width: 770px) {
  .nav-menu {
    display: none;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 0;
    display: flex;
    flex-direction: column;
  }
  
  /* App icon EN ÜSTTE */
  .hero-image {
    order: 1;
    margin: 0 0 2rem 0;
  }
  
  /* Sonra text içerikleri */
  .hero-text {
    display: flex;
    flex-direction: column;
    order: 2;
  }
  
  .hero-title {
    font-size: 2.5rem;
    order: 1;
  }
  
  .hero-subtitle {
    order: 2;
  }
  
  .hero-description {
    order: 3;
    margin-bottom: 2rem;
  }
  
  /* Stats 2x2 grid */
  .hero-stats {
    order: 4;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 400px;
    margin: 0 auto 2.5rem auto;
  }
  
  .stat {
    min-width: auto;
  }
  
  /* Butonlar 2x1 grid (yan yana) */
  .hero-buttons {
    order: 5;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
    justify-items: center;
  }
  
  .app-icon {
    width: 150px;
    height: 150px;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .features-grid,
  .experts-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .download-features {
    flex-direction: column;
    gap: 1rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .hero {
    padding: 100px 0 60px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  /* Stats 2x2 grid (480px altında da) */
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    max-width: 350px;
    gap: 1rem;
  }
  
  .stat {
    padding: 0.5rem;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .stat-label {
    font-size: 0.8rem;
  }
  
  /* Butonlar 2x1 grid (yan yana kalır) */
  .hero-buttons {
    grid-template-columns: repeat(2, 1fr);
    max-width: 350px;
    gap: 0.75rem;
  }
  
  .hero-buttons a {
    width: 100%;
    max-width: 160px;
  }
  
  .features,
  .experts,
  .testimonials,
  .download {
    padding: 60px 0;
  }
  
  .feature-card,
  .expert-card,
  .testimonial-card {
    padding: 1.5rem;
  }
}

/* Animasyonlar */
.feature-card,
.expert-card,
.testimonial-card {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Hover Efektleri */
.nav-link,
.btn,
.feature-card,
.expert-card {
  transition: all 0.3s ease;
}
