:root {
  color-scheme: light;
  --bg-base: #f6f8fc;
  --bg-surface: #ffffff;
  --bg-soft: #eff4ff;
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(37, 99, 235, 0.2);
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --text-primary: #0f172a;
  --text-secondary: rgba(15, 23, 42, 0.72);
  --text-muted: rgba(15, 23, 42, 0.48);
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Fira Code", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --shadow-lg: 0 28px 60px rgba(15, 23, 42, 0.12);
  --shadow-card: 0 18px 40px rgba(15, 23, 42, 0.08);
  --page-gutter: clamp(1.25rem, 4vw, 2.8rem);
  --container-width: min(1120px, calc(100vw - 2 * var(--page-gutter)));
}

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

html,
body {
  height: 100%;
  margin: 0;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top, rgba(37, 99, 235, 0.12), transparent 60%), var(--bg-base);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(4rem, 8vw, 6rem);
  padding: clamp(5rem, 9vw, 8rem) 0 clamp(4rem, 8vw, 6rem);
  padding-inline: var(--page-gutter);
}

.background {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: -1;
}

#constellation {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.gradient {
  position: absolute;
  inset: -30vh;
  background: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.18), transparent 55%),
    radial-gradient(circle at 80% 15%, rgba(99, 102, 241, 0.16), transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(14, 165, 233, 0.14), transparent 55%);
  filter: blur(120px);
  animation: drift 30s linear infinite;
  opacity: 0.45;
}

.noise {
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="140" height="140" viewBox="0 0 140 140"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="3" stitchTiles="stitch"/></filter><rect width="140" height="140" filter="url(%23n)" opacity="0.16"/></svg>');
  mix-blend-mode: soft-light;
  opacity: 0.35;
  pointer-events: none;
  animation: noise-shift 1.6s steps(2, end) infinite;
}

.site-header,
.hero,
.vision,
.highlights,
.site-footer {
  width: var(--container-width);
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1.2rem, 3vw, 1.8rem) 0 0;
  position: sticky;
  top: 0;
  background: linear-gradient(180deg, rgba(246, 248, 252, 0.95) 0%, rgba(246, 248, 252, 0) 100%);
  z-index: 2;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  color: var(--accent-strong);
  font-weight: 600;
  text-transform: lowercase;
  box-shadow: var(--shadow-card);
}

.brand-word {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: lowercase;
}

.site-nav {
  display: flex;
  gap: clamp(1.4rem, 4vw, 3rem);
}

.site-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text-primary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
  text-decoration: none;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 16px 35px rgba(37, 99, 235, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 24px 50px rgba(29, 78, 216, 0.25);
}

.hero {
  display: grid;
  gap: clamp(2.4rem, 5vw, 4rem);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.hero-copy {
  display: grid;
  gap: 1.5rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0;
  font-size: clamp(1rem, 2.6vw, 1.08rem);
  color: var(--text-secondary);
  max-width: 38ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.cta {
  border-radius: 999px;
  padding: 0.7rem 1.6rem;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.cta.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #ffffff;
  box-shadow: 0 18px 35px rgba(37, 99, 235, 0.18);
}

.cta.primary:hover,
.cta.primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 26px 55px rgba(37, 99, 235, 0.24);
}

.cta.ghost {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border: 1px solid transparent;
}

.cta.ghost:hover,
.cta.ghost:focus-visible {
  background: rgba(37, 99, 235, 0.14);
  border-color: rgba(37, 99, 235, 0.22);
}

.hero-card {
  background: var(--bg-surface);
  border-radius: 24px;
  padding: clamp(2rem, 4vw, 2.4rem);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 1.6rem;
  align-self: stretch;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-weight: 600;
  color: var(--text-primary);
}

.card-icon {
  font-size: 1.3rem;
  color: var(--accent-strong);
}

.card-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.card-metrics li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.1rem;
  border-radius: 18px;
  background: var(--accent-soft);
  border: 1px solid var(--border-strong);
}

.metric-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-strong);
}

.card-footnote {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.vision {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.vision-card {
  background: var(--bg-surface);
  border-radius: 22px;
  padding: clamp(1.8rem, 4vw, 2.4rem);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 1rem;
}

.vision-card h2 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.vision-card p {
  margin: 0;
  color: var(--text-secondary);
}

.highlights {
  background: rgba(255, 255, 255, 0.7);
  border-radius: 28px;
  padding: clamp(2.2rem, 6vw, 3.4rem);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.highlight {
  display: grid;
  gap: 0.7rem;
}

.highlight h3 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.highlight p {
  margin: 0;
  color: var(--text-secondary);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: clamp(1.8rem, 4vw, 2.4rem) 0;
  gap: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.footnote {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

@media (max-width: 960px) {
  main {
    gap: clamp(3rem, 9vw, 4.5rem);
  }

  .hero {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .hero-card {
    order: -1;
    justify-self: stretch;
  }

  .vision {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  main {
    padding-top: clamp(3.5rem, 12vw, 5rem);
    padding-bottom: clamp(3rem, 10vw, 4rem);
  }

  .site-header {
    flex-direction: column;
    align-items: stretch;
    gap: 1.2rem;
    padding-top: 1.2rem;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 0.75rem;
    width: 100%;
  }

  .site-nav a {
    flex: 1 1 calc(50% - 0.75rem);
    text-align: center;
  }

  .nav-cta {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
    gap: 0.75rem;
  }

  .cta {
    width: 100%;
    text-align: center;
  }

  .vision {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }

  .highlights {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .card-metrics li {
    flex-direction: column;
    gap: 0.3rem;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  :root {
    --page-gutter: clamp(1rem, 6vw, 1.6rem);
  }

  .hero {
    gap: 2rem;
  }

  .hero h1 {
    font-size: clamp(2.1rem, 8vw, 2.6rem);
  }

  .hero-card {
    padding: clamp(1.6rem, 6vw, 1.9rem);
  }

  .site-nav a {
    flex: 1 1 100%;
  }

  .vision-card,
  .highlight {
    gap: 0.8rem;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 1rem;
  }
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(-4%, 6%, 0) scale(1.05);
  }
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes noise-shift {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(-140px, 140px, 0);
  }
}