:root {
  --bg: #0d0618;
  --bg-soft: #160a28;
  --card: rgba(255, 255, 255, 0.06);
  --card-border: rgba(168, 85, 247, 0.25);
  --text: #f5f3ff;
  --muted: #c4b5fd;
  --primary: #9333ea;
  --primary-strong: #7e22ce;
  --secondary: #a855f7;
  --shadow: 0 10px 30px rgba(147, 51, 234, 0.25);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(147, 51, 234, 0.25), transparent 35%),
    linear-gradient(180deg, #090312 0%, #12071f 45%, #0b0615 100%);
  line-height: 1.6;
}

a {
  color: inherit;
}

.hero {
  min-height: 100vh;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.nav {
  max-width: 1100px;
  width: 100%;
  margin: 0 auto 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #ffffff;
}

.nav-btn {
  text-decoration: none;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.35);
  color: #f5f3ff;
  padding: 10px 16px;
  border-radius: 12px;
  transition: 0.2s ease;
}

.nav-btn:hover {
  background: rgba(168, 85, 247, 0.2);
}

.hero-content {
  max-width: 1100px;
  width: 100%;
  margin: auto;
  text-align: center;
}

.tag {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(147, 51, 234, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: var(--muted);
  font-size: 14px;
}

.hero h1 {
  margin: 0 auto 18px;
  max-width: 900px;
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.1;
}

.subtitle {
  max-width: 850px;
  margin: 0 auto;
  color: #ddd6fe;
  font-size: 18px;
}

.hero-buttons {
  margin-top: 30px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 14px;
  padding: 14px 22px;
  font-weight: bold;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: var(--shadow);
}

.btn.primary:hover {
  background: linear-gradient(135deg, var(--primary-strong), var(--primary));
}

.btn.secondary {
  background: transparent;
  border: 1px solid rgba(196, 181, 253, 0.3);
  color: #f5f3ff;
}

.big {
  padding: 16px 28px;
  font-size: 18px;
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
}

.section-title {
  text-align: center;
  margin-bottom: 36px;
}

.section-title h2 {
  margin: 0 0 10px;
  font-size: 34px;
}

.section-title p {
  margin: 0 auto;
  max-width: 760px;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 24px;
  backdrop-filter: blur(8px);
}

.card h3 {
  margin-top: 0;
  color: #f5d0fe;
}

.highlight {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(168, 85, 247, 0.12);
  border-bottom: 1px solid rgba(168, 85, 247, 0.12);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 24px;
  text-align: center;
}

.feature-icon {
  font-size: 28px;
  display: inline-block;
  margin-bottom: 10px;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 20px;
}

.faq-item h3 {
  margin-top: 0;
}

.cta {
  text-align: center;
}

.cta p {
  color: var(--muted);
  margin-bottom: 24px;
}

.footer {
  padding: 24px;
  text-align: center;
  color: #c4b5fd;
  border-top: 1px solid rgba(168, 85, 247, 0.12);
}

@media (max-width: 900px) {
  .cards,
  .features {
    grid-template-columns: 1fr;
  }

  .nav {
    flex-direction: column;
  }

  .hero {
    min-height: auto;
    padding-top: 20px;
  }

  .section {
    padding: 60px 20px;
  }

  .subtitle {
    font-size: 16px;
  }
}