:root {
  color-scheme: dark;
  --ink: #050505;
  --graphite: #171717;
  --line: #2b2b2a;
  --cloud: #f5f5f2;
  --mist: #b7b7b0;
  --dim: #777771;
  --display: 'Space Grotesk', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--cloud);
  font-family: var(--display);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: .75rem 1rem;
  background: var(--cloud);
  color: var(--ink);
}

.skip-link:focus { top: 1rem; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
	width: min(calc(100% - 3rem), 1440px);
  margin: 0 auto;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.brand, .footer-brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 600; letter-spacing: -.03em; }
.brand img, .footer-brand img { width: 1.7rem; height: 1.7rem; object-fit: cover; border-radius: 50%; }

nav { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2.5rem); color: var(--mist); font-size: .86rem; }
nav a { transition: color 180ms ease; }
nav a:hover, nav a:focus-visible { color: var(--cloud); }
.nav-login {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  padding: .55rem .7rem;
  border: 1px solid var(--line);
  color: var(--cloud);
}
.nav-login span { font-family: var(--mono); font-size: .7rem; }
.nav-login:hover, .nav-login:focus-visible { border-color: var(--cloud); transform: translateY(-1px); }

.section { width: min(calc(100% - 3rem), 1440px); margin: 0 auto; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(260px, 1.05fr);
  gap: clamp(3rem, 8vw, 10rem);
  align-items: center;
  min-height: calc(100svh - 76px);
  padding: clamp(5rem, 10vw, 10rem) 0;
}

.eyebrow, .section-label, .protocol-strip, .capability-index {
  color: var(--mist);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .09em;
}

h1, h2, p { margin-top: 0; }
h1, h2 { text-wrap: pretty; font-weight: 500; letter-spacing: -.07em; }

h1 {
  max-width: 100%;
  margin-bottom: 1.75rem;
  font-size: clamp(2.5rem, 5.2vw, 5rem);
  line-height: .92;
}

h1 span,
.closing-section h2 span {
  display: block;
  white-space: nowrap;
}

.hero-description { max-width: 34rem; color: var(--mist); font-size: clamp(1rem, 1.35vw, 1.18rem); line-height: 1.65; text-wrap: pretty; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.25rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0 1.1rem;
  border: 1px solid var(--cloud);
  font-size: .88rem;
  font-weight: 500;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}
.button span { margin-left: 1.2rem; font-family: var(--mono); }
.button-primary { background: var(--cloud); color: var(--ink); }
.button-primary:hover, .button-primary:focus-visible { background: transparent; color: var(--cloud); transform: translateY(-2px); }
.button-quiet { border-color: var(--line); color: var(--mist); }
.button-quiet:hover, .button-quiet:focus-visible { border-color: var(--cloud); color: var(--cloud); }

.hero-mark {
  position: relative;
  display: grid;
  min-height: min(42vw, 590px);
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  background: radial-gradient(circle at center, #191919 0%, var(--ink) 68%);
}
.hero-mark::before, .hero-mark::after { content: ''; position: absolute; background: var(--line); }
.hero-mark::before { width: 100%; height: 1px; }
.hero-mark::after { width: 1px; height: 100%; }
.hero-mark img { position: relative; z-index: 1; width: 62%; border-radius: 50%; mix-blend-mode: screen; }
.hero-mark p { position: absolute; right: 1.35rem; bottom: 1rem; margin: 0; color: var(--mist); font: .62rem/1.55 var(--mono); letter-spacing: .12em; text-align: right; }
.mark-orbit { position: absolute; width: 82%; height: 33%; border: 1px solid #3a3a38; border-radius: 50%; opacity: .55; }
.orbit-a { transform: rotate(28deg); }
.orbit-b { transform: rotate(-28deg); }

.protocol-strip { display: flex; align-items: center; justify-content: space-between; gap: 2rem; width: 100%; padding: 1.05rem max(1.5rem, calc((100% - 1440px) / 2)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; }
.protocol-strip p { flex: 0 0 auto; margin: 0; }
.protocol-strip div { display: flex; gap: clamp(1.5rem, 4vw, 5rem); white-space: nowrap; color: var(--dim); }

.statement-section { display: grid; grid-template-columns: .34fr 1fr; gap: 3rem; padding: clamp(7rem, 15vw, 14rem) 0; }
.section-label { display: flex; gap: 1rem; }
.statement-lead { max-width: 12ch; margin-bottom: 2.5rem; font-size: clamp(2.3rem, 5vw, 5.4rem); line-height: .94; letter-spacing: -.06em; text-wrap: pretty; }
.statement-copy { max-width: 34rem; margin-bottom: 0; color: var(--mist); font-size: clamp(1rem, 1.45vw, 1.35rem); line-height: 1.65; }
.statement-note { margin: 2rem 0 0; color: var(--dim); font: .7rem/1.6 var(--mono); letter-spacing: .04em; }

.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-grid article { min-height: 18rem; padding: 1.4rem; border-right: 1px solid var(--line); transition: background 180ms ease, transform 180ms ease; }
.capability-grid article:last-child { border-right: 0; }
.capability-grid article:hover { background: var(--graphite); transform: translateY(-4px); }
.capability-grid h2 { margin: 5.2rem 0 1rem; font-size: clamp(1.8rem, 2.7vw, 3rem); line-height: .95; }
.capability-grid p { max-width: 21rem; margin-bottom: 0; color: var(--mist); line-height: 1.6; }

.workflow-section { padding: clamp(7rem, 15vw, 14rem) 0; }
.workflow-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(3rem, 10vw, 11rem); margin-top: clamp(3rem, 7vw, 7rem); }
.workflow-copy h2, .closing-section h2 {
  max-width: 100%;
  font-size: clamp(2.5rem, 5.2vw, 5.25rem);
  line-height: .95;
  overflow-wrap: anywhere;
}
.workflow-copy ol { margin: 2.5rem 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.workflow-copy li { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); color: var(--mist); line-height: 1.5; }
.workflow-copy li span { color: var(--cloud); font: .7rem var(--mono); }
.text-link { display: inline-flex; gap: 1rem; align-items: center; border-bottom: 1px solid var(--cloud); padding-bottom: .4rem; font-size: .9rem; }
.text-link span { font-family: var(--mono); }
pre { margin: 0; overflow: auto; padding: clamp(1.4rem, 3vw, 2.4rem); border: 1px solid var(--line); background: var(--graphite); color: var(--cloud); font: clamp(.72rem, 1.3vw, .93rem)/1.85 var(--mono); }
.code-dim { color: var(--dim); }.code-key { color: var(--mist); }.code-value { color: var(--cloud); }

.closing-section { padding: clamp(7rem, 15vw, 14rem) 0; border-top: 1px solid var(--line); }
.closing-section h2 { margin: 1.3rem 0 2.5rem; }

.site-footer { display: grid; grid-template-columns: 1fr auto auto auto; gap: 1.5rem; width: min(calc(100% - 3rem), 1440px); margin: 0 auto; padding: 1.5rem 0 2rem; border-top: 1px solid var(--line); color: var(--dim); font-size: .72rem; }
.site-footer p { margin: 0; line-height: 1.5; }.footer-brand { color: var(--cloud); font-size: .86rem; }
.footer-links { gap: 1rem; font-size: .72rem; }

@media (max-width: 760px) {
  .site-header, .section, .site-footer { width: min(calc(100% - 2rem), 1440px); }
  .site-header { padding: 1rem 0; }.site-header nav a:not(:last-child) { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 5.5rem 0 3rem; }.hero-mark { min-height: 92vw; }
  .protocol-strip { padding: 1rem; }.protocol-strip p { display: none; }.protocol-strip div { gap: 1.5rem; animation: ticker 18s linear infinite; }
  .statement-section, .workflow-layout { grid-template-columns: 1fr; }.statement-section { gap: 3rem; }
  .capability-grid { grid-template-columns: 1fr; }.capability-grid article, .capability-grid article:last-child { min-height: auto; padding: 1.5rem 0; border-right: 0; border-bottom: 1px solid var(--line); }.capability-grid article:last-child { border-bottom: 0; }.capability-grid h2 { margin: 3.5rem 0 1rem; }
  .site-footer { grid-template-columns: 1fr; gap: .75rem; }.footer-links { justify-content: flex-start; }.site-footer p:last-child { margin-top: 1rem; }
}

@keyframes ticker { to { transform: translateX(-20%); } }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }.button, nav a { transition: none; }.protocol-strip div { animation: none; } }