:root {
  --bg: #0b1118;
  --surface: #141c28;
  --surface-raised: #1a2433;
  --text: #e8eef5;
  --text-muted: #8b9bb0;
  --border: #263244;
  --primary: #3b8fd9;
  --primary-hover: #5ba3e6;
  --accent: #5ba3e6;
  --notice-bg: #0a1628;
  --notice-text: #c5d4e8;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --max: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

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

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Notice bar */
.notice-bar {
  background: var(--notice-bg);
  color: var(--notice-text);
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  padding: 10px 16px;
  letter-spacing: 0.01em;
  border-bottom: 1px solid var(--border);
}

/* Header */
.header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  height: 40px;
  width: 40px;
  border-radius: 6px;
}

.logo-text {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.logo-text strong {
  font-weight: 700;
  color: var(--accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-sm {
  padding: 9px 16px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--primary);
  background: rgba(59, 143, 217, 0.1);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  width: 100%;
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

/* Hero */
.hero {
  padding: 56px 0 48px;
}

.hero-grid {
  display: grid;
  gap: 40px;
  align-items: start;
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 12px;
}

.hero h1 {
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.lead {
  font-size: 17px;
  color: var(--text-muted);
  margin: 0 0 28px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow);
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Trust bar */
.trust {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.trust-item img {
  flex-shrink: 0;
  opacity: 0.9;
}

/* Products */
.products {
  padding: 56px 0;
}

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

.section-head h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--text-muted);
  margin: 0;
  font-size: 15px;
}

.product-grid {
  display: grid;
  gap: 20px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}

.product-icon {
  width: 56px;
  height: 56px;
  background: rgba(59, 143, 217, 0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.product-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.product-card p {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0 0 12px;
}

.product-price {
  font-size: 14px;
  margin-bottom: 20px !important;
}

.product-price strong {
  color: var(--accent);
  font-size: 16px;
}

/* Features */
.features {
  padding: 0 0 56px;
}

.features-grid {
  display: grid;
  gap: 16px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.feature h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 6px;
}

.feature p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

/* FAQ */
.faq {
  padding: 0 0 56px;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--text);
  transition: color 0.15s;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 18px;
  font-weight: 400;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item summary:hover {
  color: var(--accent);
}

.faq-item p {
  margin: 0;
  padding: 0 20px 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

.faq-more {
  text-align: center;
  margin: 24px 0 0;
  font-size: 14px;
}

.faq-more a {
  color: var(--accent);
  font-weight: 500;
}

.faq-more a:hover {
  text-decoration: underline;
}

/* CTA */
.cta {
  padding: 0 0 56px;
}

.cta-inner {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  color: #fff;
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow);
}

.cta-inner h2 {
  font-size: 1.375rem;
  font-weight: 700;
  margin: 0 0 10px;
}

.cta-inner p {
  color: var(--text-muted);
  font-size: 15px;
  margin: 0 0 24px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.cta .btn-primary {
  background: var(--primary);
  color: #fff;
}

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

/* Footer */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.disclaimer {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 20px;
  padding: 16px;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.disclaimer strong {
  color: var(--text);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 16px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

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

.copyright {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

/* Responsive */
@media (min-width: 640px) {
  .trust-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
  }

  .hero {
    padding: 72px 0 56px;
  }
}