:root {
  --bg: #070b12;
  --bg-alt: #0c1220;
  --surface: #121a2b;
  --border: #1e2a42;
  --text: #e8eef9;
  --muted: #8b9bb8;
  --accent: #5eead4;
  --accent-dim: #2dd4bf;
  --accent-glow: rgba(94, 234, 212, 0.12);
  --radius: 12px;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 1100px;
  --narrow: 680px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 70% -10%, rgba(45, 212, 191, 0.08), transparent 50%),
    radial-gradient(ellipse 60% 40% at 10% 20%, rgba(59, 130, 246, 0.06), transparent 45%);
  z-index: -1;
}

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

img { max-width: 100%; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #041016;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}
.container.narrow { width: min(100% - 2.5rem, var(--narrow)); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(7, 11, 18, 0.85);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--text);
  font-size: 1.15rem;
  text-decoration: none;
}
.logo:hover { text-decoration: none; color: var(--accent); }

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav a {
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}
.nav a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  background: var(--accent);
  color: #041016;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.btn:hover {
  background: var(--accent-dim);
  text-decoration: none;
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-1px);
}
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.85rem; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--muted);
  box-shadow: none;
}

.hero {
  padding: 5rem 0 4rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 0.75rem;
}
.hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.1rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
  font-weight: 650;
}
.accent { color: var(--accent); }
.lede {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 36rem;
  margin: 0 0 1.75rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}
.card-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 1rem;
}
.metric-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.metric-list li {
  display: grid;
  gap: 0.15rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--border);
}
.metric-list li:first-child { border-top: 0; padding-top: 0; }
.metric-list strong {
  font-size: 0.95rem;
  color: var(--text);
}
.metric-list span {
  font-size: 0.85rem;
  color: var(--muted);
}

.section { padding: 4.5rem 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 1.25rem;
  font-weight: 650;
}
.section p { color: var(--muted); margin: 0 0 1rem; }
.section p strong { color: var(--text); }

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.product-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
}
.product-tag {
  color: var(--accent) !important;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.85rem !important;
}
.product-card ul {
  margin: 1rem 0 0;
  padding: 0 0 0 1.1rem;
  color: var(--muted);
}
.product-card li { margin-bottom: 0.4rem; }

.steps {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}
.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.step-num {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
  padding-top: 0.15rem;
}
.steps h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}
.steps p { margin: 0; }

.cta .cta-email {
  margin-top: 1.5rem;
  font-size: 1.15rem;
}
.cta .cta-email a {
  font-weight: 600;
  font-size: 1.25rem;
}
.muted { color: var(--muted); font-size: 0.9rem; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: flex-start;
}
.footer-inner nav {
  display: flex;
  gap: 1.25rem;
}
.footer-inner nav a { color: var(--muted); font-size: 0.9rem; }
.footer-inner .muted { margin: 0.5rem 0 0; max-width: 28rem; }
.footer-inner .muted a { color: var(--muted); text-decoration: underline; }

.legal {
  padding: 4rem 0 5rem;
}
.legal h1 {
  font-size: 2rem;
  margin: 0 0 0.5rem;
}
.legal .meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}
.legal h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.75rem;
}
.legal p { color: var(--muted); }

@media (max-width: 860px) {
  .hero-grid,
  .product-grid { grid-template-columns: 1fr; }
  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.25rem 1rem;
  }
  .nav.open { display: flex; }
  .nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }
  .nav a:last-child { border-bottom: 0; }
  .nav-toggle { display: flex; }
  .hero { padding-top: 3rem; }
}