/* === VARIANT 5 - First Colors & Large === */
:root {
  --primary: #563ABB;
  --secondary: #2E64D6;
  --accent: #E567F5;
  --text-primary: #563ABB;
  --text-dark: #2D3748;
  --text-light: #FFFFFF;
  --text-gray: #718096;
  --bg-light: #FFFFFF;
  --card-shadow: 0 10px 30px rgba(86, 58, 187, 0.15);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #FAF9FF;
  color: var(--text-dark);
  line-height: 1.6;
  height: 100vh;
  overflow: hidden;
}

.container {
  max-width: 100%;
  height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #FAF9FF 0%, #F5F3FF 100%);
}

/* Header */
header {
  background: var(--primary);
  padding: 35px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.header-content {
  position: relative;
  z-index: 2;
}

header h1 {
  color: var(--text-light);
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 1px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  margin-bottom: 8px;
}

header .subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 1px;
}

/* Main Content */
main {
  flex: 1;
  padding: 40px 20px;
  overflow-y: auto;
}

.card {
  background: var(--bg-light);
  border-radius: 28px;
  padding: 50px 35px;
  text-align: center;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(86, 58, 187, 0.2);
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(86, 58, 187, 0.25);
}

.card h2 {
  margin-bottom: 35px;
  color: var(--text-primary);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
}

/* Buttons - КРУПНЫЕ */
.btn-primary {
  background: var(--primary);
  color: var(--text-light);
  border: none;
  padding: 22px 40px;
  border-radius: 60px;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(86, 58, 187, 0.4);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 35px rgba(86, 58, 187, 0.6);
  background: #4A30A3;
}

/* Footer */
footer {
  background: var(--bg-light);
  border-top: 1px solid rgba(86, 58, 187, 0.15);
  flex-shrink: 0;
}

.nav-bar {
  display: flex;
  justify-content: space-around;
  padding: 18px 10px;
  background: var(--bg-light);
}

.nav-btn {
  background: none;
  border: none;
  padding: 14px 16px;
  font-size: 13px;
  color: var(--text-gray);
  cursor: pointer;
  border-radius: 20px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 70px;
  font-weight: 500;
}

.nav-btn.active {
  color: var(--primary);
  background: rgba(86, 58, 187, 0.1);
  font-weight: 700;
  transform: translateY(-3px);
}

.nav-btn:hover {
  color: var(--primary);
  background: rgba(86, 58, 187, 0.08);
  transform: translateY(-2px);
}

/* СТРАНИЦА БАЛАНСА - УЛУЧШЕННЫЙ ДИЗАЙН */
.balance-display {
  text-align: center;
  margin-bottom: 40px;
  padding: 30px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 24px;
  color: var(--text-light);
  box-shadow: var(--card-shadow);
}

.balance-display h2 {
  color: var(--text-light);
  margin: 0;
  font-size: 28px;
  font-weight: 700;
}

.balance-amount {
  font-size: 48px;
  font-weight: 800;
  margin: 10px 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.balance-unit {
  font-size: 18px;
  opacity: 0.9;
  font-weight: 600;
}

.referral-section, .pricing-section {
  margin-bottom: 35px;
}

.referral-section h3, .pricing-section h3 {
  margin-bottom: 20px;
  color: var(--text-primary);
  font-size: 24px;
  font-weight: 700;
  text-align: center;
}

.referral-content {
  background: rgba(86, 58, 187, 0.1);
  padding: 25px;
  border-radius: 20px;
  text-align: center;
  margin-bottom: 20px;
}

.referral-text {
  color: var(--text-dark);
  font-size: 16px;
  margin-bottom: 20px;
  line-height: 1.5;
}

.pricing-options {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.pricing-option {
  flex: 1;
  min-width: 140px;
  background: var(--bg-light);
  border: 2px solid rgba(86, 58, 187, 0.3);
  border-radius: 20px;
  padding: 25px 15px;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.pricing-option.featured {
  border-color: var(--primary);
  background: rgba(86, 58, 187, 0.1);
  transform: scale(1.05);
}

.pricing-option:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--card-shadow);
}

.pricing-option.featured:hover {
  transform: translateY(-5px) scale(1.05);
}

.pricing-option h4 {
  margin: 0 0 15px 0;
  color: var(--text-dark);
  font-size: 18px;
  font-weight: 600;
}

.price {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  margin: 15px 0;
}

.price-description {
  font-size: 14px;
  color: var(--text-gray);
  margin-bottom: 20px;
}

.btn-buy {
  background: var(--primary);
  color: var(--text-light);
  border: none;
  padding: 15px 25px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: all 0.3s ease;
  font-size: 16px;
}

.btn-buy.featured {
  background: var(--text-primary);
  color: var(--text-light);
}

.btn-buy:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(86, 58, 187, 0.4);
}

/* Additional Styles for Other Pages */
.button-group {
  display: flex;
  gap: 15px;
  margin-bottom: 30px;
}

.btn-option {
  flex: 1;
  padding: 20px;
  border: 2px solid rgba(86, 58, 187, 0.3);
  background: var(--bg-light);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-dark);
}

.btn-option.active {
  border-color: var(--primary);
  background: rgba(86, 58, 187, 0.1);
  color: var(--primary);
  transform: translateY(-2px);
}

.section {
  display: none;
  margin-bottom: 30px;
}

.section.active {
  display: block;
}

.section h3 {
  margin-bottom: 15px;
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 600;
}

textarea {
  width: 100%;
  padding: 20px;
  border: 1px solid rgba(86, 58, 187, 0.3);
  border-radius: 20px;
  resize: vertical;
  font-family: inherit;
  font-size: 16px;
  background: var(--bg-light);
  transition: all 0.3s ease;
  color: var(--text-dark);
  min-height: 120px;
}

textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(86, 58, 187, 0.2);
}

.action-buttons {
  display: flex;
  gap: 15px;
}

.btn-secondary {
  background: rgba(86, 58, 187, 0.1);
  color: var(--primary);
  border: 2px solid rgba(86, 58, 187, 0.3);
  padding: 18px;
  border-radius: 20px;
  font-size: 16px;
  cursor: pointer;
  flex: 1;
  transition: all 0.3s ease;
  font-weight: 600;
}

.btn-secondary:hover {
  background: rgba(86, 58, 187, 0.2);
  transform: translateY(-2px);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(86, 58, 187, 0.1);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 10px;
}

/* Responsive */
@media (max-width: 480px) {
  header h1 {
    font-size: 36px;
  }
  
  .card {
    padding: 35px 25px;
  }
  
  .btn-primary {
    padding: 20px 30px;
    font-size: 18px;
  }
  
  .balance-amount {
    font-size: 36px;
  }
  
  .pricing-options {
    flex-direction: column;
  }
.hero-image {
    text-align: center;
    margin: 20px 0 30px 0;
}

.hero-image img {
    max-width: 200px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(86, 58, 187, 0.3);
}
}