/* Genel Ayarlar */
:root {
  --primary-color: #6c5ce7;
  --primary-hover: #5649c0;
  --secondary-color: #a29bfe;
  --accent-color: #00cec9;
  --text-dark: #2d3436;
  --text-light: #636e72;
  --bg-light: #f9f9f9;
  --bg-white: #ffffff;
  --gradient-bg: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
}

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

body {
  font-family: 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--bg-light);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 5%;
  background-color: var(--bg-white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.5px;
  cursor: pointer;
}

nav a {
  margin-left: 25px;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--primary-color);
}

nav a.btn-cta {
  background-color: var(--primary-color);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 5px;
}

nav a.btn-cta:hover {
  background-color: var(--primary-hover);
  color: #fff;
}

/* Hero Section */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 5%;
  background: var(--gradient-bg);
  min-height: 80vh;
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--text-dark);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 40px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.btn {
  display: inline-block;
  padding: 15px 35px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #fff;
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: #fff;
}

/* Section Common */
section {
  padding: 80px 5%;
}

.section-title {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 15px;
  font-weight: 700;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 60px;
  font-size: 1.1rem;
}

/* Stats Section */
.stats {
  background-color: var(--bg-white);
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  padding: 60px 5%;
  border-bottom: 1px solid #eee;
}

.stat-item {
  text-align: center;
  margin: 15px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
}

.stat-label {
  color: var(--text-light);
  font-size: 1rem;
}

/* Categories */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
}

.category-card {
  background: var(--bg-white);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  border: 1px solid #eee;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  border-color: var(--secondary-color);
}

.category-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.category-title {
  font-weight: 600;
  font-size: 1.1rem;
}

/* Features */
.features {
  background-color: #f0f3f5;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.feature-card {
  background: var(--bg-white);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--text-dark);
}

.feature-card p {
  color: var(--text-light);
}

/* Footer */
footer {
  background-color: var(--text-dark);
  color: #ecf0f1;
  padding: 60px 5% 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: #fff;
}

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

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: #bdc3c7;
  font-size: 0.95rem;
}

.footer-col ul li a:hover {
  color: var(--accent-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  color: #7f8c8d;
  font-size: 0.9rem;
}

/* Mobil Uyum */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  header {
    flex-direction: column;
    padding: 15px;
  }
  
  nav {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }
  
  nav a {
    margin-left: 0;
  }
}