:root {
  --ink: #f5f7fb;
  --ink-muted: #b3bad0;
  --panel: rgba(12, 16, 28, 0.72);
  --line: rgba(171, 186, 255, 0.24);
  --accent: #7f73ff;
  --accent-soft: #59e6d0;
  --bg-a: #04070f;
  --bg-b: #0d1530;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% -20%, #1b2560, transparent 45%),
    radial-gradient(circle at 88% 8%, #163849, transparent 40%),
    linear-gradient(140deg, var(--bg-a), var(--bg-b));
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-orb {
  position: fixed;
  filter: blur(70px);
  opacity: 0.3;
  pointer-events: none;
  z-index: -1;
}

.bg-orb-a {
  width: 28rem;
  height: 28rem;
  border-radius: 999px;
  background: #35d4bc;
  top: 22rem;
  left: -10rem;
}

.bg-orb-b {
  width: 25rem;
  height: 25rem;
  border-radius: 999px;
  background: #7f73ff;
  top: 2rem;
  right: -10rem;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.25rem 1rem;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.brand-lockup {
  width: 11rem;
  height: auto;
}

.header-link {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
}

main {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

.hero {
  padding: 3rem 0 2rem;
}

.eyebrow {
  margin: 0 0 0.8rem;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--accent-soft);
}

h1 {
  font-size: clamp(2.1rem, 6.6vw, 4.6rem);
  line-height: 0.98;
  margin: 0;
  max-width: 11.5ch;
}

.hero-copy {
  margin-top: 1.2rem;
  color: var(--ink-muted);
  max-width: 54ch;
  font-size: clamp(1rem, 2.2vw, 1.22rem);
  line-height: 1.45;
}

.proof {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 0.9rem;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel);
  padding: 1rem;
}

.metric-value {
  margin: 0;
  font-size: clamp(1.4rem, 3.3vw, 2rem);
  font-weight: 700;
}

.metric-label {
  margin: 0.25rem 0 0;
  color: var(--ink-muted);
  font-size: 0.94rem;
}

.model,
.pillars,
.principle,
.ecosystem,
.ui-mock {
  margin-top: 2.1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel);
  padding: 1.2rem;
}

h2 {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.8rem);
}

.model p {
  margin: 0.7rem 0 0;
  color: var(--ink-muted);
  max-width: 68ch;
  line-height: 1.45;
}

.ui-mock p {
  margin: 0.7rem 0 0;
  color: var(--ink-muted);
  max-width: 68ch;
  line-height: 1.45;
}

.mock-frame {
  margin: 1rem 0 0;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  overflow: hidden;
  background: rgba(5, 9, 18, 0.7);
}

.mock-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.mock-legend {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
}

.mock-legend article {
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 0.7rem;
  background: rgba(13, 20, 38, 0.54);
}

.mock-legend p {
  margin: 0.3rem 0 0;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.pipeline {
  margin-top: 1rem;
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(auto-fit, minmax(8.2rem, 1fr));
}

.pipeline span {
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.65rem 0.7rem;
  font-size: 0.92rem;
  text-align: center;
}

.pillar-grid {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
}

.pillar-grid article {
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.8rem;
}

h3 {
  margin: 0;
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: 1.08rem;
}

.pillar-grid p {
  margin: 0.35rem 0 0;
  color: var(--ink-muted);
  font-size: 0.93rem;
}

.principle blockquote {
  margin: 0.75rem 0 0;
  max-width: 55ch;
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: clamp(1.08rem, 2.7vw, 1.5rem);
  line-height: 1.35;
}

.quote-author {
  margin: 0.4rem 0 0;
  color: var(--accent-soft);
  font-size: 0.9rem;
}

.principle p {
  margin: 0.7rem 0 0;
  color: var(--ink-muted);
  max-width: 65ch;
}

.ecosystem a {
  color: var(--accent-soft);
  text-decoration-thickness: 1px;
}

.site-footer {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1rem 1rem 2.2rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink-muted);
}

.site-footer img {
  width: 1.15rem;
  height: 1.15rem;
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 40rem) {
  .site-header {
    padding-top: 0.9rem;
  }

  .brand-lockup {
    width: 9.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal.in-view {
    opacity: 1;
    transform: none;
    transition: none;
  }
}