:root {
  --bg-dark: #0b1120;
  --bg-light: #111827;
  --surface: rgba(15, 23, 42, 0.6);
  --surface-light: rgba(241, 245, 249, 0.9);
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --text-primary: #e2e8f0;
  --text-muted: #cbd5f5;
  --text-dark: #0f172a;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.4);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  margin: 0;
  background: radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.18), transparent 55%),
    radial-gradient(circle at 80% 0%, rgba(129, 140, 248, 0.15), transparent 45%),
    linear-gradient(160deg, var(--bg-dark), #020617 65%);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus {
  color: var(--accent-strong);
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 11, 20, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.brand img {
  width: 42px;
  height: 42px;
}

.site-header nav {
  display: flex;
  gap: 1.2rem;
}

.site-header nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.site-header nav a:hover,
.site-header nav a:focus {
  color: var(--accent);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.cta-btn.primary {
  background: linear-gradient(120deg, var(--accent-strong), #6366f1);
  color: white;
  box-shadow: 0 18px 40px rgba(14, 165, 233, 0.35);
}

.cta-btn.primary:hover,
.cta-btn.primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 24px 50px rgba(14, 165, 233, 0.5);
}

.cta-btn.ghost {
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: var(--text-primary);
  background: transparent;
}

.cta-btn.ghost:hover,
.cta-btn.ghost:focus {
  border-color: var(--accent);
  color: var(--accent);
}

.hero {
  position: relative;
  padding: 6rem 0 4.5rem;
  overflow: hidden;
}

.hero-content {
  text-align: left;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw, 4rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  color: #f8fafc;
}

.lead {
  font-size: 1.1rem;
  max-width: 720px;
  color: rgba(226, 232, 240, 0.9);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 3rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.metric-card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 18px;
  padding: 1.5rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 10px 40px rgba(8, 47, 73, 0.35);
}

.metric-number {
  font-size: 1.8rem;
  font-weight: 700;
  display: block;
  color: #f8fafc;
}

.metric-label {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.blur-spot {
  position: absolute;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.45), transparent 70%);
  filter: blur(30px);
  z-index: -1;
}

.blur-one {
  top: -120px;
  left: -80px;
}

.blur-two {
  bottom: -120px;
  right: -60px;
  background: radial-gradient(circle, rgba(129, 140, 248, 0.4), transparent 70%);
}

.section {
  padding: 5rem 0;
}

.section h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 1rem;
  color: #f8fafc;
}

.section-lead {
  max-width: 640px;
  color: rgba(226, 232, 240, 0.8);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.feature-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.35);
}

.feature-card h3 {
  margin-top: 0;
  color: #f1f5f9;
}

.section-cta {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
}

.network {
  background: linear-gradient(140deg, rgba(15, 23, 42, 0.85), rgba(8, 145, 178, 0.25));
}

.two-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: start;
}

.glow-card {
  background: rgba(241, 245, 249, 0.12);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 25px 50px rgba(15, 23, 42, 0.5);
}

.glow-card h3 {
  margin-top: 0;
  color: #f1f5f9;
}

.note {
  color: rgba(226, 232, 240, 0.75);
  font-style: italic;
}

.checked-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.checked-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
  color: rgba(226, 232, 240, 0.85);
}

.checked-list li::before {
  content: '✔';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.timeline article {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.2);
  padding: 2rem;
  border-radius: 22px;
  box-shadow: 0 25px 50px rgba(15, 23, 42, 0.4);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1rem;
}

.social-proof {
  background: rgba(2, 6, 23, 0.7);
}

.testimonials blockquote {
  margin: 0;
  font-style: italic;
  color: rgba(226, 232, 240, 0.85);
}

.testimonials cite {
  display: block;
  margin-top: 1.5rem;
  font-style: normal;
  color: rgba(148, 163, 184, 0.9);
}

.faq-items {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.faq details {
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  transition: border 0.3s ease;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

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

.faq details[open] {
  border-color: var(--accent);
}

.faq details p {
  margin-top: 0.75rem;
  color: rgba(226, 232, 240, 0.8);
}

.cta-final {
  padding: 5rem 0 6rem;
  background: radial-gradient(circle at top right, rgba(236, 72, 153, 0.2), transparent 55%),
    radial-gradient(circle at bottom left, rgba(56, 189, 248, 0.25), transparent 60%),
    rgba(8, 11, 20, 0.85);
  text-align: center;
}

.cta-final h2 {
  margin-bottom: 1rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2.5rem 0;
  gap: 2rem;
}

footer {
  background: rgba(2, 6, 23, 0.95);
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  color: rgba(148, 163, 184, 0.85);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(148, 163, 184, 0.9);
}

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

@media (max-width: 900px) {
  .nav-container {
    flex-wrap: wrap;
  }

  .site-header nav {
    order: 3;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .cta-btn.primary {
    order: 2;
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: 5rem;
  }

  .cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .metrics {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}