:root {
  --bg: #0b0c10;
  --surface: #15171d;
  --surface-2: #1f222c;
  --text: #f5f7ff;
  --text-muted: #a7adbe;
  --primary: #6c5ce7;
  --primary-hover: #7d6ff0;
  --accent: #00d2d3;
  --accent-soft: rgba(0, 210, 211, 0.12);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
}

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

html {
  scroll-behavior: smooth;
}

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

.container {
  width: min(1100px, 92%);
  margin-inline: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(11, 12, 16, 0.75);
  border-bottom: 1px solid var(--border);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 16px;
}

.logo-mark {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.nav-links a:hover {
  color: var(--text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  border: 1px solid transparent;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #4834d4);
  color: #fff;
  box-shadow: 0 8px 24px rgba(108, 92, 231, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), #574bda);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

/* Hero */
.hero {
  padding: 110px 0 90px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(108, 92, 231, 0.22), transparent 55%),
    radial-gradient(ellipse at 80% 30%, rgba(0, 210, 211, 0.1), transparent 45%);
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 20px;
}

.hero-lead {
  max-width: 640px;
  margin: 0 auto 36px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Sections */
.section {
  padding: 90px 0;
}

.section-title {
  text-align: center;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 56px;
}

/* Product */
.product {
  background: var(--surface);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: center;
}

.product-info h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.product-info > p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

.check-list {
  list-style: none;
  display: grid;
  gap: 14px;
  margin-bottom: 36px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--text);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

.product-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.card-tag {
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
}

.card-price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
}

.product-card h3 {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.product-card hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 22px 0;
}

.card-features {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.card-features li::before {
  content: "•";
  color: var(--primary);
  margin-right: 10px;
  font-weight: 700;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(108, 92, 231, 0.35);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* CTA */
.cta {
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(108, 92, 231, 0.18), transparent 50%),
    var(--surface);
}

.cta h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.cta p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
}

/* Affiliates */
.affiliates-card {
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.15), rgba(0, 210, 211, 0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
}

.affiliates-card h2 {
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.affiliates-card p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 28px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  margin-top: 10px;
}

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

.sep {
  margin: 0 10px;
}

/* Responsive */
@media (max-width: 900px) {
  .product-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 520px) {
  .hero {
    padding: 80px 0 60px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .affiliates-card {
    padding: 32px 24px;
  }
}