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

:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --surface: rgba(17, 17, 17, 0.92);
  --surface-soft: rgba(17, 17, 17, 0.74);
  --line: #1f1f1f;
  --text: #e8e8e8;
  --text-soft: #a0a0a0;
  --text-dim: #666666;
  --blue: #0052ff;
  --blue-soft: rgba(0, 82, 255, 0.1);
  --green: #00ff41;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI", sans-serif;
}

body {
  min-height: 100vh;
  background-image:
    linear-gradient(rgba(0, 82, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 82, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
}

a {
  color: inherit;
}

.shell {
  position: relative;
  min-height: 100vh;
}

.halo {
  pointer-events: none;
  position: absolute;
  left: 50%;
  top: 0;
  height: 560px;
  width: min(920px, 100%);
  transform: translateX(-50%);
  border-radius: 999px;
  background: radial-gradient(ellipse, rgba(0, 82, 255, 0.14), transparent 68%);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid #1a1a1a;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
}

.nav-inner,
.content,
.footer-inner {
  width: min(960px, calc(100% - 40px));
  margin: 0 auto;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(0, 82, 255, 0.28);
  background: var(--blue-soft);
  color: var(--blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.875rem;
  font-weight: 800;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-title {
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #ffffff;
}

.brand-subtitle {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  color: var(--text-dim);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-size: 0.9rem;
  color: #888888;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.footer-links a:hover,
.inline-link:hover {
  color: #ffffff;
}

.content {
  position: relative;
  padding: 64px 0 56px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(0, 82, 255, 0.28);
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--blue);
}

.headline {
  margin: 22px 0 14px;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 0.95;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: #ffffff;
}

.lead {
  max-width: 720px;
  margin: 0 0 28px;
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.card {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
  overflow: hidden;
}

.card-inner {
  padding: 28px;
}

.section {
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.section:first-child {
  border-top: 0;
  padding-top: 0;
}

.section:last-child {
  padding-bottom: 0;
}

.section h2 {
  margin: 0 0 14px;
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
}

.section p,
.section li {
  margin: 0 0 12px;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.75;
}

.section p:last-child,
.section li:last-child {
  margin-bottom: 0;
}

.section ul {
  margin: 0;
  padding-left: 22px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(0, 255, 65, 0.22);
  background: rgba(0, 255, 65, 0.06);
  color: #d4ffe0;
  font-size: 0.92rem;
}

.badge::before {
  content: "✓";
  color: var(--green);
  font-weight: 700;
}

.footer {
  border-top: 1px solid #171717;
  padding: 28px 0 34px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: #666666;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  text-decoration: none;
}

.mono {
  font-family: "JetBrains Mono", monospace;
}

.inline-link {
  color: #d8e5ff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.stand {
  margin-top: 22px;
  color: #666666;
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .content {
    padding-top: 40px;
  }

  .card-inner {
    padding: 22px;
  }
}