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

html {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #020308;
  min-height: 100vh;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top, #1b1f2a 0, #050711 55%, #020308 100%);
  background-color: #020308;
  color: #f9fafb;
  overflow-x: hidden;
}

canvas#particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 24px 20px 32px;
}

@media (max-width: 600px) {
  .page {
    padding: 20px 18px 28px;
  }
}

@media (min-width: 768px) {
  .page {
    padding: 32px 56px 40px;
  }
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 56px;
}

@media (max-width: 600px) {
  .nav {
    margin-bottom: 32px;
  }
}

.nav-left {
  display: flex;
  align-items: center;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #ef4444, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-pill {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  font-size: 0.75rem;
  color: #9ca3af;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
}

.nav-link {
  font-size: 0.82rem;
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: #f9fafb;
}

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 48px;
}

@media (max-width: 600px) {
  .hero {
    justify-content: flex-start;
    gap: 32px;
  }
}

.hero-content {
  max-width: 960px;
}

.eyebrow {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #9ca3af;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  line-height: 1.12;
  margin: 0 0 16px;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.7rem;
    line-height: 1.18;
  }
}

h1::selection,
body::selection {
  background: #4b5563;
  color: #f9fafb;
}

.subcopy {
  max-width: 640px;
  margin: 0 0 32px;
  color: #9ca3af;
  font-size: 0.98rem;
}

@media (max-width: 600px) {
  .subcopy {
    font-size: 0.9rem;
    margin-bottom: 26px;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr);
  gap: 18px;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    max-width: 580px;
    gap: 20px;
  }
}

.card {
  background: radial-gradient(circle at top left, #0b1120 0, #020617 65%);
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.38);
  padding: 20px 18px 18px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.8);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -60%;
  background: radial-gradient(
    circle at top,
    rgba(59, 130, 246, 0.16),
    transparent 65%
  );
  opacity: 0.3;
  pointer-events: none;
}

.card > * {
  position: relative;
  z-index: 1;
}

.card h2,
.card h3 {
  margin: 0 0 12px;
  font-size: 1.02rem;
}

.card ul {
  margin: 0;
  padding-left: 18px;
  color: #9ca3af;
  font-size: 0.92rem;
}

.card li + li {
  margin-top: 4px;
}

.code-card {
  background: radial-gradient(circle at top right, #020617 0, #020617 65%);
}

.code-block {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(55, 65, 81, 0.7);
  border-radius: 10px;
  padding: 16px 18px;
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
}

.code-block code {
  font-family: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
  font-size: 0.82rem;
  line-height: 1.65;
  color: #e5e7eb;
}

.code-comment {
  color: #6b7280;
}

.code-caption {
  margin: 12px 0 0;
  font-size: 0.78rem;
  color: #6b7280;
}

.meta {
  max-width: 960px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.meta-block {
  flex: 1;
  min-width: 180px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: radial-gradient(circle at top left, #020617 0, #020617 70%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #6b7280;
}

.meta-value {
  font-size: 0.8rem;
  color: #d1d5db;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
  font-size: 0.78rem;
  color: #6b7280;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links a {
  color: #6b7280;
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: #d1d5db;
}

.footer-sep {
  color: #374151;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}