/* BankaEğitim - Pure HTML/CSS/JS Website */

:root {
  --primary: #0052CC;
  --primary-dark: #003A99;
  --secondary: #10B981;
  --accent: #F97316;
  --dark: #1F2937;
  --light: #F3F4F6;
  --border: #E5E7EB;
  --white: #FFFFFF;
  --text: #374151;
  --text-light: #6B7280;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
  font-weight: 700;
}

h2 {
  font-size: 2.25rem;
  font-weight: 600;
}

h3 {
  font-size: 1.875rem;
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
  font-size: 1rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
}

/* Navigation */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
}

.logo {
  height: 40px;
  display: flex;
  align-items: center;
}

.logo img {
  height: 100%;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.btn {
  padding: 0.75rem 2rem;
  border-radius: 0.65rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-block;
  text-align: center;
  font-size: 1rem;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: scale(1.02);
  box-shadow: 0 10px 20px rgba(0, 82, 204, 0.2);
}

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

.btn-secondary:hover {
  background: var(--light);
  transform: scale(1.02);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

/* Hero Section */
.hero {
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 82, 204, 0.7);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.hero h1,
.hero p {
  color: var(--white);
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

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

.hero .btn-secondary {
  border-color: var(--white);
  color: var(--white);
}

.hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Section */
.section {
  padding: 4rem 0;
}

.section-light {
  background: var(--light);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 0.5rem;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

/* Grid */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Card */
.card {
  background: var(--white);
  border: none;
  border-radius: 0.65rem;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 82, 204, 0.1);
}

.card h3 {
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

/* Icon */
.icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--light);
  color: var(--primary);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.badge-success {
  background: #D1FAE5;
  color: #047857;
}

.badge-warning {
  background: #FEF3C7;
  color: #D97706;
}

.badge-danger {
  background: #FEE2E2;
  color: #DC2626;
}

/* Feature */
.feature {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.feature-icon {
  flex-shrink: 0;
}

.feature h4 {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature p {
  color: var(--text-light);
  margin: 0;
}

/* Testimonial */
.testimonial {
  display: flex;
  flex-direction: column;
}

.testimonial-stars {
  color: #FBBF24;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.testimonial-text {
  color: var(--text);
  font-style: italic;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.testimonial-author {
  font-weight: 600;
  color: var(--dark);
}

.testimonial-role {
  font-size: 0.875rem;
  color: var(--text-light);
}

/* Form */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  ring: 2px;
  ring-color: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

/* Footer */
footer {
  background: #111827;
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

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

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section a {
  color: #9CA3AF;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
  text-align: center;
  color: #9CA3AF;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: 4rem 0;
  text-align: center;
}

.cta h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.cta p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

.cta .btn {
  background: var(--white);
  color: var(--primary);
  padding: 0.75rem 2rem;
}

.cta .btn:hover {
  background: var(--light);
}

/* Divider */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  margin: 2rem 0;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Pricing Card */
.pricing-card {
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--primary);
}

.pricing-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin: 1rem 0;
}

.pricing-price small {
  font-size: 0.875rem;
  color: var(--text-light);
}

.pricing-divider {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .section {
    padding: 2rem 0;
  }
  
  .hero {
    min-height: 400px;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero .btn {
    width: 100%;
  }
  
  .nav-links {
    display: none;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }