:root {
  --bg-page: #08090a;
  --bg-page-alt: #0b0d12;
  --bg-panel: rgba(255, 255, 255, 0.045);
  --bg-panel-strong: rgba(255, 255, 255, 0.075);
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-card-hover: rgba(255, 255, 255, 0.065);
  --bg-chip: rgba(255, 255, 255, 0.055);
  --text-primary: #f7f8f8;
  --text-secondary: #d0d6e0;
  --text-muted: #9aa2ad;
  --text-faint: #62666d;
  --text-on-accent: #ffffff;
  --accent: #7170ff;
  --accent-strong: #5e6ad2;
  --accent-hover: #828fff;
  --accent-soft: rgba(113, 112, 255, 0.16);
  --accent-border: rgba(113, 112, 255, 0.42);
  --success: #10b981;
  --success-soft: rgba(16, 185, 129, 0.14);
  --success-border: rgba(16, 185, 129, 0.38);
  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, 0.14);
  --warning-border: rgba(245, 158, 11, 0.40);
  --info: #38bdf8;
  --info-soft: rgba(56, 189, 248, 0.13);
  --info-border: rgba(56, 189, 248, 0.34);
  --border-subtle: rgba(255, 255, 255, 0.065);
  --border-standard: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.16);
  --shadow-card: 0 24px 70px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 60px rgba(113, 112, 255, 0.18);
  --gradient-hero: radial-gradient(circle at 20% 0%, rgba(113,112,255,0.22), transparent 34%), radial-gradient(circle at 85% 16%, rgba(56,189,248,0.14), transparent 30%), linear-gradient(180deg, #08090a 0%, #0b0d12 52%, #08090a 100%);
  --gradient-panel: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.028));
  --gradient-cta: radial-gradient(circle at top left, rgba(113,112,255,0.32), transparent 36%), linear-gradient(135deg, rgba(255,255,255,0.07), rgba(255,255,255,0.025));
  --gradient-line: linear-gradient(90deg, rgba(113,112,255,0), rgba(113,112,255,0.85), rgba(56,189,248,0.55), rgba(113,112,255,0));
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --fs-hero: clamp(2.35rem, 6vw, 4rem);
  --fs-section: clamp(1.85rem, 4vw, 2.75rem);
  --fs-h3: 1.22rem;
  --fs-body-lg: clamp(1.02rem, 1.7vw, 1.18rem);
  --fs-body: 1rem;
  --fs-small: 0.9rem;
  --fs-caption: 0.78rem;
  --fs-micro: 0.7rem;
  --lh-tight: 1.04;
  --lh-heading: 1.12;
  --lh-body: 1.62;
  --lh-compact: 1.38;
  --tracking-display: -0.045em;
  --tracking-heading: -0.028em;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --container: 1180px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-page);
  color: var(--text-secondary);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
code { font-family: var(--font-mono); overflow-wrap: anywhere; }
img, svg { max-width: 100%; }

.skip-link {
  position: fixed;
  left: 12px;
  top: 12px;
  transform: translateY(-140%);
  z-index: 50;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--text-primary);
  color: #08090a;
  font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 3px solid rgba(130, 143, 255, 0.72);
  outline-offset: 3px;
  border-radius: 8px;
}

.page-shell {
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--gradient-hero);
}
.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}
.section { padding: var(--space-24) 0; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 68px;
  background: rgba(8, 9, 10, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-inner {
  width: min(100% - 48px, var(--container));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  min-width: 0;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-on-accent);
  background: linear-gradient(180deg, var(--accent-hover), var(--accent-strong));
  box-shadow: 0 10px 30px rgba(94,106,210,0.3);
}
.brand strong, .brand em { display: block; font-style: normal; line-height: 1.2; }
.brand strong { font-size: 0.96rem; letter-spacing: -0.02em; }
.brand em { font-size: 0.76rem; color: var(--text-muted); }
.nav-links { display: flex; align-items: center; gap: 24px; font-size: 0.88rem; color: var(--text-secondary); }
.nav-links a { text-decoration: none; transition: color 160ms ease; }
.nav-links a:hover { color: var(--text-primary); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-md);
  font-weight: 680;
  line-height: 1;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button-primary {
  color: var(--text-on-accent);
  background: linear-gradient(180deg, var(--accent-hover), var(--accent-strong));
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 14px 35px rgba(94,106,210,0.25);
}
.button-secondary {
  color: var(--text-secondary);
  background: rgba(255,255,255,0.035);
  border: 1px solid var(--border-standard);
}
.button-secondary:hover { color: var(--text-primary); border-color: var(--border-strong); background: rgba(255,255,255,0.06); }

.hero { padding-top: 112px; padding-bottom: 88px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(360px, 0.94fr); align-items: center; gap: clamp(32px, 5vw, 64px); }
.eyebrow {
  margin: 0 0 13px;
  color: #b7b9ff;
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.brand-kicker { margin: 0 0 8px; color: var(--text-primary); font-weight: 650; }
h1, h2, h3 { color: var(--text-primary); margin: 0; }
h1 {
  max-width: 780px;
  font-size: var(--fs-hero);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  font-weight: 650;
}
.hero-lede {
  max-width: 710px;
  margin: 24px 0 0;
  font-size: var(--fs-body-lg);
  color: var(--text-secondary);
}
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.demo-note {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--text-muted);
  font-size: var(--fs-small);
}
.status-strip { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 0 11px;
  border-radius: var(--radius-pill);
  background: var(--bg-chip);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: var(--fs-caption);
  white-space: nowrap;
}
.status-dot { width: 8px; height: 8px; border-radius: 999px; background: currentColor; flex: 0 0 auto; }
.chip-completed { color: #77e2bd; border-color: var(--success-border); background: var(--success-soft); }
.chip-handoff { color: #c5c8ff; border-color: var(--accent-border); background: var(--accent-soft); }
.chip-static { color: #92dcff; border-color: var(--info-border); background: var(--info-soft); }
.chip-blocked { color: #ffd08a; border-color: var(--warning-border); background: var(--warning-soft); }

.pipeline-preview {
  position: relative;
  min-height: 540px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-standard);
  background: var(--gradient-panel);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  overflow: hidden;
}
.preview-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 50% 35%, black, transparent 72%);
  pointer-events: none;
}
.preview-content { position: relative; padding: 24px; height: 100%; display: flex; flex-direction: column; gap: 26px; }
.preview-header, .preview-footer { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.preview-label { margin: 0 0 4px; color: var(--text-muted); font-size: var(--fs-caption); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; }
.preview-header strong { color: var(--text-primary); }
.pipeline-line { height: 1px; background: var(--gradient-line); margin: 14px 0 -4px; }
.pipeline-nodes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.mini-stage {
  min-height: 154px;
  padding: 14px;
  border: 1px solid var(--border-standard);
  border-radius: 14px;
  background: rgba(0,0,0,0.22);
}
.mini-stage span { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: rgba(255,255,255,0.07); color: var(--text-primary); font-family: var(--font-mono); }
.mini-stage strong, .mini-stage small { display: block; }
.mini-stage strong { margin-top: 24px; color: var(--text-primary); }
.mini-stage small { color: var(--text-muted); line-height: var(--lh-compact); }
.mini-stage.active { border-color: var(--accent-border); background: rgba(113,112,255,0.09); }
.artifact-stack { display: grid; gap: 9px; flex: 1; }
.artifact-stack code {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 11px;
  background: rgba(0,0,0,0.25);
  color: var(--text-secondary);
  font-size: 0.78rem;
}
.blocked-callout {
  max-width: 230px;
  padding: 14px;
  border: 1px solid var(--warning-border);
  border-radius: var(--radius-lg);
  background: rgba(245, 158, 11, 0.08);
}
.blocked-callout p { margin: 10px 0 0; color: var(--text-secondary); font-size: var(--fs-caption); line-height: var(--lh-compact); }

.section-heading { max-width: 820px; margin-bottom: 36px; }
.section-heading h2, .cta-panel h2 { font-size: var(--fs-section); line-height: var(--lh-heading); letter-spacing: var(--tracking-heading); font-weight: 620; }
.section-heading p:not(.eyebrow) { margin: 15px 0 0; color: var(--text-muted); font-size: var(--fs-body-lg); }
.split-heading { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; }
.flow-badge {
  flex: 0 0 auto;
  padding: 11px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--accent-border);
  background: var(--accent-soft);
  color: #d6d8ff;
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
}
.card-grid { display: grid; gap: 18px; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-standard);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.card:hover { background: var(--bg-card-hover); border-color: var(--border-strong); transform: translateY(-1px); }
.problem-card { padding: 26px; }
.card-number, .learning-card span {
  display: inline-block;
  margin-bottom: 26px;
  color: #b7b9ff;
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
}
.problem-card h3, .learning-card h3 { font-size: var(--fs-h3); line-height: var(--lh-heading); }
.problem-card p, .learning-card p { margin: 14px 0 0; color: var(--text-secondary); font-size: var(--fs-small); }
.warning-card { border-color: rgba(245,158,11,0.28); }

.stage-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; position: relative; }
.stage-card { padding: 18px; min-width: 0; }
.stage-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.stage-label {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  color: var(--text-primary);
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
}
.stage-card h3 { font-size: 1.08rem; line-height: var(--lh-heading); }
.role { margin: 8px 0 18px; color: #b7b9ff; font-size: var(--fs-small); }
.stage-meta { display: grid; gap: 13px; margin: 0; }
.stage-meta div { padding-top: 12px; border-top: 1px solid var(--border-subtle); }
.stage-meta dt { margin-bottom: 6px; color: var(--text-muted); font-family: var(--font-mono); font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: 0.08em; }
.stage-meta dd { margin: 0; color: var(--text-secondary); font-size: var(--fs-caption); line-height: var(--lh-compact); }
.stage-meta code {
  display: inline-block;
  margin: 0 5px 5px 0;
  padding: 4px 7px;
  border-radius: 7px;
  background: rgba(255,255,255,0.055);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}
.demo-point { margin: 16px 0 0; color: var(--text-muted); font-size: var(--fs-caption); line-height: var(--lh-compact); }
.current-stage { border-color: var(--accent-border); background: rgba(113,112,255,0.075); }

.artifact-layout { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 52px; align-items: start; }
.sticky-copy { position: sticky; top: 98px; margin-bottom: 0; }
.path-note {
  display: grid;
  gap: 8px;
  padding: 16px;
  margin-top: 24px !important;
  border: 1px solid var(--border-standard);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.035);
}
.path-note code { color: var(--text-primary); font-size: var(--fs-caption); }
.artifact-list { display: grid; gap: 12px; }
.artifact-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: start;
  gap: 15px;
  padding: 16px;
  border: 1px solid var(--border-standard);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.035);
}
.artifact-item > span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  color: #b7b9ff;
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
}
.artifact-item h3 { font-size: 1rem; }
.artifact-item h3 code { color: var(--text-primary); }
.artifact-item p { margin: 6px 0 0; color: var(--text-muted); font-size: var(--fs-small); line-height: var(--lh-compact); }
.artifact-item em {
  align-self: center;
  font-style: normal;
  padding: 5px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: var(--fs-micro);
  font-family: var(--font-mono);
}
.artifact-item.live { border-color: var(--accent-border); background: rgba(113,112,255,0.07); }

.learn-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.learning-card { padding: 22px; }
.learning-card span { margin-bottom: 20px; }

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 32px;
  padding: 48px;
  border-radius: var(--radius-xl);
  background: var(--gradient-cta);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-card);
}
.cta-panel p:not(.eyebrow) { margin: 16px 0 0; color: var(--text-secondary); max-width: 760px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.site-footer { padding: 42px 0; border-top: 1px solid var(--border-subtle); background: rgba(0,0,0,0.18); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.site-footer strong { color: var(--text-primary); }
.site-footer p { margin: 10px 0 0; color: var(--text-muted); font-size: var(--fs-small); }
.footer-links { display: grid; gap: 9px; color: var(--text-muted); font-size: var(--fs-small); }
.footer-links code { color: var(--text-secondary); }

@media (max-width: 1100px) {
  .hero-grid, .artifact-layout { grid-template-columns: 1fr; }
  .pipeline-preview { min-height: auto; }
  .stage-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .learn-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sticky-copy { position: static; }
}

@media (max-width: 760px) {
  .container, .nav-inner { width: min(100% - 36px, var(--container)); }
  .section { padding: 64px 0; }
  .hero { padding-top: 64px; padding-bottom: 48px; }
  .nav-links { display: none; }
  .brand em { display: none; }
  .nav-cta { padding-inline: 13px; }
  .button-row, .cta-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .status-chip { white-space: normal; }
  h1 { letter-spacing: -0.035em; }
  .preview-header, .preview-footer, .split-heading, .cta-panel, .footer-grid { display: grid; grid-template-columns: 1fr; }
  .pipeline-nodes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mini-stage { min-height: 120px; }
  .blocked-callout { max-width: none; }
  .card-grid.three, .stage-grid, .learn-grid { grid-template-columns: 1fr; }
  .artifact-item { grid-template-columns: 38px minmax(0, 1fr); }
  .artifact-item em { grid-column: 2; justify-self: start; }
  .cta-panel { padding: 28px; }
}

@media (max-width: 430px) {
  .container, .nav-inner { width: min(100% - 28px, var(--container)); }
  .brand-mark { width: 34px; height: 34px; }
  .brand strong { font-size: 0.86rem; }
  .preview-content { padding: 18px; }
  .pipeline-nodes { grid-template-columns: 1fr; }
  .stage-card, .problem-card, .learning-card { padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}