/* styles.css */
:root {
  --vk-blue: #4a76a8;
  --vk-blue-dark: #3a5f8a;
  --vk-blue-darker: #2a4a6a;
  --bg-dark: #0a0a2a;
  --bg-darker: #05051a;
  --border-blue: #1a1a4a;
  --text-light: #ffffff;
  --text-gray: #b0b0b0;
  --accent: #5b8cff;
}

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

body {
  background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
  color: var(--text-light);
  font-family: 'Inter', 'Arial', sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

.wrap {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: var(--bg-darker);
  border-bottom: 2px solid var(--border-blue);
  padding: 15px 0;
  backdrop-filter: blur(10px);
}

header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo img {
  height: 60px;
  width: auto;
}

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

/* Buttons */
.btn-primary, .btn-secondary {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  display: inline-block;
  font-size: 14px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--vk-blue) 0%, var(--vk-blue-dark) 100%);
  color: var(--text-light);
  border: 1px solid var(--vk-blue);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--vk-blue-dark) 0%, var(--vk-blue-darker) 100%);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(74, 118, 168, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text-light);
  border: 1px solid var(--vk-blue);
}

.btn-secondary:hover {
  background: var(--vk-blue);
  transform: translateY(-2px);
}

/* Promo Banner */
.promo-banner {
  margin: 30px 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.promo-banner img {
  width: 100%;
  height: auto;
  display: block;
}

/* Promo Code Section */
.promo-code-section {
  background: linear-gradient(135deg, var(--bg-darker) 0%, var(--border-blue) 100%);
  padding: 30px;
  border-radius: 12px;
  margin: 30px 0;
  border: 1px solid var(--border-blue);
  text-align: center;
}

.promo-code-section h2 {
  margin-bottom: 20px;
  color: var(--text-light);
  font-size: 1.5em;
}

.promo-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.promo-input {
  width: 200px;
  padding: 12px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  background: var(--text-light);
  border: 2px solid var(--vk-blue);
  border-radius: 8px;
  color: #000;
}

/* Content Sections */
.content-section {
  background: var(--bg-darker);
  padding: 30px;
  border-radius: 12px;
  margin: 30px 0;
  border: 1px solid var(--border-blue);
}

.content-section h2 {
  color: var(--accent);
  margin-bottom: 20px;
  font-size: 1.8em;
}

.content-section p {
  margin-bottom: 15px;
  color: var(--text-gray);
}

/* FAQ Section */
.faq-section {
  background: var(--bg-darker);
  padding: 30px;
  border-radius: 12px;
  margin: 30px 0;
  border: 1px solid var(--border-blue);
}

.faq-section h2 {
  color: var(--accent);
  margin-bottom: 25px;
  text-align: center;
  font-size: 1.8em;
}

.faq-item {
  border: 1px solid var(--border-blue);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.faq-question {
  padding: 20px;
  background: var(--bg-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: var(--border-blue);
}

.faq-icon {
  font-weight: bold;
  font-size: 1.2em;
  color: var(--accent);
}

.faq-answer {
  padding: 0 20px;
  background: var(--bg-darker);
  display: none;
  animation: fadeIn 0.3s ease;
}

.faq-answer p {
  padding: 20px 0;
  margin: 0;
  color: var(--text-gray);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Info Cards */
.info-sections {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.info-card {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--border-blue) 100%);
  padding: 25px;
  border-radius: 12px;
  border: 1px solid var(--border-blue);
  text-align: center;
  transition: transform 0.3s ease;
}

.info-card:hover {
  transform: translateY(-5px);
}

.info-card h3 {
  color: var(--accent);
  margin-bottom: 15px;
  font-size: 1.2em;
}

.info-card p {
  color: var(--text-gray);
  font-size: 0.9em;
}

/* Footer */
footer {
  background: var(--bg-darker);
  border-top: 2px solid var(--border-blue);
  padding: 30px 0;
  margin-top: 50px;
}

footer .wrap {
  text-align: center;
}

footer p {
  color: var(--text-gray);
  margin-bottom: 15px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
  .wrap {
    padding: 0 15px;
  }
  
  header .wrap {
    flex-direction: column;
    gap: 15px;
  }
  
  .header-buttons {
    width: 100%;
    justify-content: center;
  }
  
  .promo-container {
    flex-direction: column;
  }
  
  .info-sections {
    grid-template-columns: 1fr;
  }
  
  .faq-question {
    padding: 15px;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .logo img {
    height: 50px;
  }
  
  .btn-primary, .btn-secondary {
    padding: 10px 20px;
    font-size: 13px;
  }
  
  .promo-code-section {
    padding: 20px;
  }
  
  .content-section, .faq-section {
    padding: 20px;
  }
}