:root {
  --bg: #0b1220;
  --bg-alt: #0f1729;
  --card: #141b2d;
  --card-border: #1f2a42;
  --text: #e8ecf4;
  --text-dim: #98a2b8;
  --accent: #2979ff;
  --accent-soft: rgba(41, 121, 255, 0.12);
  --ok: #66bb6a;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

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

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin: 0 0 10px;
}

h1, h2, h3 { font-weight: 700; margin: 0; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-border);
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.2px;
}
.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: var(--text-dim);
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 9px 16px;
  border-radius: 999px;
  font-weight: 600;
}
.nav-cta:hover { opacity: 0.9; }

/* Hero */
.hero {
  padding: 96px 24px 64px;
  background:
    radial-gradient(600px 300px at 15% 0%, var(--accent-soft), transparent 60%),
    radial-gradient(600px 300px at 85% 20%, rgba(102, 187, 106, 0.08), transparent 60%);
}
.hero-inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.hero h1 {
  font-size: 42px;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero-sub {
  font-size: 17px;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto 32px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.hero-note {
  font-size: 13px;
  color: var(--text-dim);
  opacity: 0.8;
}

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { opacity: 0.92; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--card-border);
}
.btn-ghost:hover { border-color: var(--accent); }

/* Strip */
.strip {
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  background: var(--bg-alt);
}
.strip-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: center;
}
.strip-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 120px;
  text-align: center;
}
.strip-item strong { font-size: 15px; }
.strip-item span { font-size: 12px; color: var(--text-dim); }

/* Sections */
.section { padding: 88px 24px; }
.section-alt { background: var(--bg-alt); }
.section-inner {
  max-width: 1120px;
  margin: 0 auto;
}
.section h2 {
  font-size: 30px;
  max-width: 640px;
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}
.section-lead {
  color: var(--text-dim);
  max-width: 620px;
  font-size: 16px;
  margin-bottom: 44px;
}

/* Steps */
.steps {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px;
}
.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 14px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: 14px; margin: 0; }

/* Features */
.features {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
}
.feature h3 { font-size: 16px; margin-bottom: 8px; }
.feature p { color: var(--text-dim); font-size: 14px; margin: 0; }

/* Security */
.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.security-item {
  border-left: 2px solid var(--accent);
  padding-left: 18px;
}
.security-item h3 { font-size: 15px; margin-bottom: 6px; }
.security-item p { color: var(--text-dim); font-size: 13.5px; margin: 0; }

/* CTA */
.cta {
  padding: 96px 24px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  border-top: 1px solid var(--card-border);
}
.cta-inner { max-width: 560px; margin: 0 auto; }
.cta h2 { font-size: 28px; margin-bottom: 14px; }
.cta p { color: var(--text-dim); margin-bottom: 30px; font-size: 16px; }

/* Footer */
.footer {
  border-top: 1px solid var(--card-border);
  padding: 28px 24px;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-dim);
}

@media (max-width: 860px) {
  .nav-links { gap: 16px; font-size: 13px; }
  .hero h1 { font-size: 32px; }
  .steps, .features { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .security-grid { grid-template-columns: 1fr; }
  .strip-inner { gap: 18px; }
}