:root {
  color-scheme: dark;
  --bg: #07040f;
  --bg-2: #10071f;
  --surface: rgba(22, 13, 39, 0.78);
  --surface-strong: rgba(35, 18, 58, 0.86);
  --line: rgba(188, 122, 255, 0.28);
  --line-strong: rgba(0, 229, 255, 0.42);
  --text: #f7f0ff;
  --muted: #c8b7df;
  --dim: #8f7ea9;
  --purple: #9b5cff;
  --violet: #6d3dff;
  --magenta: #ff4fd8;
  --cyan: #00e5ff;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(rgba(120, 65, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 50% -10%, rgba(155, 92, 255, 0.35), transparent 42%),
    linear-gradient(135deg, #05020a 0%, var(--bg) 42%, #12041b 100%);
  background-size: 54px 54px, 54px 54px, auto, auto;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0%, rgba(255, 79, 216, 0.09) 18%, transparent 36%),
    linear-gradient(70deg, transparent 12%, rgba(0, 229, 255, 0.08) 30%, transparent 48%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 72%);
}

a {
  color: inherit;
}

.site-shell {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 4, 15, 0.72);
  backdrop-filter: blur(20px);
}

.brand,
.nav-links,
.hero-actions,
.signal-strip {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 18px;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(180, 108, 255, 0.5);
}

.nav-links {
  gap: 6px;
}

.nav-links a {
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.nav-links a:hover,
.proof-item:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.72fr);
  gap: 48px;
  align-items: center;
  min-height: 82vh;
  padding: 70px 0 48px;
}

.eyebrow,
.card-index,
.proof-domain {
  margin: 0 0 16px;
  color: var(--cyan);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: 72px;
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 42px;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 14px;
  font-size: 22px;
  line-height: 1.2;
}

.hero-text {
  max-width: 620px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 750;
  text-decoration: none;
}

.button.primary {
  background: linear-gradient(135deg, var(--purple), var(--magenta));
  color: #fff;
  box-shadow: 0 0 32px rgba(155, 92, 255, 0.36);
}

.button.ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.hero-oracle {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(155, 92, 255, 0.18), transparent 44%),
    rgba(9, 5, 18, 0.72);
  overflow: hidden;
}

.logo-frame {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 18px;
}

.logo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  filter: drop-shadow(0 0 24px rgba(180, 108, 255, 0.45));
}

.signal-strip {
  justify-content: space-between;
  gap: 8px;
  padding: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
}

.section {
  padding: 80px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.85fr);
  gap: 44px;
  align-items: start;
  border-top: 1px solid var(--line);
}

.intro-grid p:last-child,
.quality-copy p,
.closing p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding-top: 0;
}

.capability-grid article,
.proof-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  backdrop-filter: blur(18px);
}

.capability-grid article {
  min-height: 265px;
  padding: 24px;
}

.capability-grid p,
.proof-item p {
  color: var(--muted);
  line-height: 1.62;
}

.quality-band {
  margin: 34px 0;
  padding: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background:
    linear-gradient(125deg, rgba(109, 61, 255, 0.28), transparent 46%),
    linear-gradient(300deg, rgba(255, 79, 216, 0.16), transparent 38%),
    var(--surface-strong);
}

.quality-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 28px;
}

.proof {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1fr);
  gap: 34px;
  align-items: start;
}

.proof-list {
  display: grid;
  gap: 14px;
}

.proof-item {
  display: block;
  padding: 24px;
  color: var(--text);
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease;
}

.proof-item:hover {
  transform: translateY(-2px);
}

.proof-item strong {
  display: block;
  margin-bottom: 12px;
  font-size: 22px;
}

.closing {
  margin: 28px 0 64px;
  padding: 48px;
  border: 1px solid rgba(255, 79, 216, 0.36);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 79, 216, 0.18), rgba(0, 229, 255, 0.08)),
    rgba(10, 5, 19, 0.86);
}

.closing a {
  color: #ffffff;
  font-weight: 800;
  text-decoration-color: var(--cyan);
  text-underline-offset: 4px;
}

@media (max-width: 900px) {
  .site-shell {
    padding: 16px;
  }

  .topbar {
    position: static;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .intro-grid,
  .quality-copy,
  .proof {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 56px 0 36px;
  }

  h1 {
    font-size: 48px;
    line-height: 1.02;
  }

  h2 {
    font-size: 34px;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .quality-band,
  .closing {
    padding: 28px;
  }
}

@media (max-width: 520px) {
  .brand span {
    font-size: 16px;
  }

  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 28px;
  }

  .hero-text,
  .intro-grid p:last-child,
  .quality-copy p,
  .closing p {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }

  .signal-strip {
    flex-direction: column;
    align-items: flex-start;
  }
}