/* ---------- tokens ---------- */
:root {
  --bg: #0a0a0a;
  --bg-elev: #111111;
  --bg-alt: #0d0d0d;
  --border: #1f1f1f;
  --border-strong: #2a2a2a;
  --text: #ededed;
  --text-dim: #8a8a8a;
  --text-muted: #5a5a5a;
  --accent: #f5b041;
  --accent-soft: #fcd38f;
  --accent-faint: rgba(245, 176, 65, 0.12);
  --good: #7ee787;
  --danger: #f87171;
  --code-key: #9cdcfe;
  --code-str: #ce9178;
  --code-num: #b5cea8;
  --code-tag: #569cd6;
  --code-attr: #c586c0;
  --code-comment: #6b7280;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --container: 1180px;
  --container-narrow: 760px;
  --radius: 10px;
  --radius-lg: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
code, pre { font-family: var(--font-mono); }

img, svg { display: block; max-width: 100%; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 10, 0.75);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand-mark {
  color: var(--accent);
  font-size: 18px;
}
.brand-name { font-size: 16px; }
.nav-links {
  display: flex;
  gap: 24px;
  margin-left: 16px;
  flex: 1;
}
.nav-links a {
  color: var(--text-dim);
  font-size: 14px;
  transition: color 120ms ease;
}
.nav-links a:hover { color: var(--text); }
.nav-actions {
  display: flex;
  gap: 8px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #1a1200;
}
.btn-primary:hover { background: var(--accent-soft); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: #3a3a3a; background: #151515; }
.btn-lg {
  padding: 13px 22px;
  font-size: 15px;
}

/* ---------- hero ---------- */
.hero {
  padding: 96px 0 80px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1000px 400px at 50% -200px, rgba(245, 176, 65, 0.15), transparent 70%),
    radial-gradient(700px 300px at 50% 0, rgba(245, 176, 65, 0.06), transparent 70%);
  border-bottom: 1px solid var(--border);
}
.hero .container { position: relative; z-index: 1; text-align: center; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-dim);
  background: rgba(20, 20, 20, 0.6);
  margin-bottom: 32px;
  transition: border-color 120ms ease, color 120ms ease;
}
.pill:hover { border-color: var(--accent); color: var(--text); }
.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}
.pill-arrow { color: var(--accent); }
.hero-title {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin: 0 0 20px;
}
.hero-sub {
  max-width: 640px;
  margin: 0 auto 36px;
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.6;
}
.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.hero-code {
  max-width: 820px;
  margin: 0 auto;
  text-align: left;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #0c0c0c;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.6);
}

/* ---------- code blocks ---------- */
.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: #0a0a0a;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}
.code-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #2a2a2a;
}
.code-dot-r { background: #3a3a3a; }
.code-dot-y { background: #3a3a3a; }
.code-dot-g { background: #3a3a3a; }
.code-file { margin-left: 8px; }
.code-body {
  margin: 0;
  padding: 22px 24px;
  font-size: 13.5px;
  line-height: 1.6;
  overflow-x: auto;
  color: var(--text);
}
.code-body code { color: inherit; }
.c-prompt { color: var(--text-muted); user-select: none; }
.c-cmd { color: var(--text); }
.c-comment { color: var(--code-comment); }
.c-key { color: var(--code-key); }
.c-str { color: var(--code-str); }
.c-num { color: var(--code-num); }
.c-tag { color: var(--code-tag); }
.c-attr { color: var(--code-attr); }
.inline {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 2px 6px;
  background: #181818;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--accent-soft);
}

/* ---------- trust strip ---------- */
.strip {
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
  background: var(--bg-alt);
}
.strip-text {
  margin: 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
}

/* ---------- sections ---------- */
.section {
  padding: 120px 0;
  border-bottom: 1px solid var(--border);
}
.section-alt { background: var(--bg-alt); }
.eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 14px;
  font-weight: 500;
}
.section-title {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 0 0 20px;
  max-width: 800px;
}
.section-lede {
  color: var(--text-dim);
  font-size: 17px;
  max-width: 660px;
  margin: 0 0 56px;
}
.section-head { margin-bottom: 64px; }

/* ---------- problem grid ---------- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.problem-card {
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
}
.problem-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.problem-card p {
  margin: 0;
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ---------- feature blocks ---------- */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 96px;
}
.feature:first-of-type { margin-top: 0; }
.feature-reverse .feature-copy { order: 2; }
.feature-reverse .feature-demo { order: 1; }
.feature-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.feature-title {
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 0 0 20px;
}
.feature-copy p {
  color: var(--text-dim);
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.65;
}
.feature-copy p.feature-meta {
  color: var(--text);
  font-size: 15px;
  border-left: 2px solid var(--accent);
  padding-left: 14px;
  margin-top: 18px;
}
.feature-demo {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: #0c0c0c;
  overflow: hidden;
  box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.5);
}

/* ---------- promote flow ---------- */
.promote-flow {
  display: flex;
  align-items: stretch;
  gap: 12px;
  padding: 28px 20px;
  flex-wrap: wrap;
}
.promote-step {
  flex: 1;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: #0f0f0f;
}
.promote-step.promote-rule {
  border-color: var(--accent);
  background: var(--accent-faint);
}
.promote-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.promote-head {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}
.promote-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.5;
}
.promote-arrow {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 16px;
}
.promote-foot {
  border-top: 1px solid var(--border);
  padding: 14px 20px;
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  background: #0a0a0a;
}

/* ---------- diff grid ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 56px;
}
.diff-card {
  padding: 32px 28px;
  background: var(--bg);
}
.diff-card h4 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.diff-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- read surface table ---------- */
.surface-table {
  margin-top: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-elev);
}
.surface-row {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 32px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.surface-row:last-child { border-bottom: none; }
.surface-row code {
  font-size: 13.5px;
  color: var(--accent-soft);
  background: #151515;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  display: inline-block;
}
.surface-row > div:last-child {
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.55;
}
.surface-head {
  background: #0a0a0a;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.surface-head > div { color: var(--text-muted) !important; }

/* ---------- agent grid ---------- */
.agent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.agent-card {
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
}
.agent-head {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.agent-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.agent-card li {
  padding: 10px 0 10px 24px;
  position: relative;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.6;
  border-bottom: 1px solid var(--border);
}
.agent-card li:last-child { border-bottom: none; }
.agent-card li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
}
.agent-card code {
  font-size: 12.5px;
  color: var(--accent-soft);
  background: #151515;
  padding: 1px 5px;
  border-radius: 4px;
}

/* ---------- footnote / savings ---------- */
.section-footnote {
  padding: 80px 0;
  background: var(--bg-alt);
}
.section-footnote .eyebrow { color: var(--text-muted); }
.footnote-lede {
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 0 32px;
  font-size: 15px;
}
.savings-table {
  max-width: 520px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elev);
}
.savings-row {
  display: grid;
  grid-template-columns: 1fr 160px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  align-items: center;
  font-size: 14px;
}
.savings-row:last-child { border-bottom: none; }
.savings-row code {
  font-family: var(--font-mono);
  color: var(--text);
  font-size: 13.5px;
}
.savings-row > div:last-child {
  text-align: right;
  color: var(--accent-soft);
  font-family: var(--font-mono);
  font-size: 13.5px;
}
.savings-head {
  background: #0a0a0a;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.savings-head > div:last-child { color: var(--text-muted); }
.footnote-foot {
  margin-top: 24px;
  color: var(--text-muted);
  font-size: 14px;
}
.footnote-foot code {
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- install ---------- */
.section-install .section-title { text-align: left; }
.install-block {
  background: #0c0c0c;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  margin: 36px 0 20px;
  font-size: 14px;
  line-height: 1.9;
  overflow-x: auto;
}
.install-block code { color: var(--text); }
.install-note {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0;
}

/* ---------- faq ---------- */
.faq { margin-top: 40px; }
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.faq details:first-child { border-top: 1px solid var(--border); }
.faq summary {
  cursor: pointer;
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  color: var(--accent);
  font-size: 20px;
  font-weight: 400;
  transition: transform 120ms ease;
}
.faq details[open] summary::after { content: "−"; }
.faq p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.65;
  margin: 14px 0 0;
}
.faq code {
  font-size: 13px;
  color: var(--accent-soft);
  background: #151515;
  padding: 2px 6px;
  border-radius: 4px;
}

/* ---------- final cta ---------- */
.section-cta {
  padding: 120px 0;
  text-align: center;
  background: radial-gradient(600px 280px at 50% 100%, var(--accent-faint), transparent 70%);
  border-bottom: 1px solid var(--border);
}
.cta-title {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 0 0 18px;
}
.cta-sub {
  color: var(--text-dim);
  font-size: 17px;
  margin: 0 0 32px;
}

/* ---------- footer ---------- */
.footer {
  padding-top: 80px;
  padding-bottom: 40px;
  background: #060606;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--border);
}
.footer-tag {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 12px;
  line-height: 1.6;
  max-width: 280px;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-head {
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 8px;
}
.footer-col a {
  color: var(--text-dim);
  font-size: 14px;
  transition: color 120ms ease;
}
.footer-col a:hover { color: var(--text); }
.footer-foot {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- subpage hero ---------- */
.page-hero {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border);
  background: radial-gradient(700px 300px at 50% -200px, rgba(245, 176, 65, 0.08), transparent 70%);
}
.page-hero .container { text-align: center; }
.page-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 14px 0 16px;
}
.page-hero p {
  color: var(--text-dim);
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- docs / features / resources body ---------- */
.prose {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 24px;
}
.prose h2 {
  font-size: 26px;
  letter-spacing: -0.01em;
  margin: 48px 0 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.prose h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.prose h3 {
  font-size: 19px;
  margin: 32px 0 12px;
  color: var(--text);
}
.prose p {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.7;
  margin: 0 0 16px;
}
.prose code {
  font-size: 13.5px;
  color: var(--accent-soft);
  background: #151515;
  padding: 2px 6px;
  border-radius: 4px;
}
.prose pre {
  background: #0c0c0c;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 20px 22px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.65;
  margin: 20px 0;
  color: var(--text);
}
.prose pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}
.prose ul {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.7;
  padding-left: 22px;
}
.prose li { margin: 6px 0; }
.prose a { color: var(--accent-soft); border-bottom: 1px solid rgba(252, 211, 143, 0.3); }
.prose a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 520px;
  margin: 0 auto;
  padding: 80px 24px;
}
.price-card {
  padding: 48px 40px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--accent-faint), transparent 60%), var(--bg-elev);
  text-align: center;
}
.price-tier {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.price-amount {
  font-size: 72px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 0 0 8px;
}
.price-sub {
  color: var(--text-dim);
  margin: 0 0 32px;
  font-size: 15px;
}
.price-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  text-align: left;
}
.price-list li {
  padding: 10px 0 10px 28px;
  position: relative;
  color: var(--text);
  font-size: 15px;
  border-bottom: 1px solid var(--border);
}
.price-list li:last-child { border-bottom: none; }
.price-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ---------- resource cards ---------- */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.resource-card {
  padding: 28px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
  transition: border-color 120ms ease, transform 120ms ease;
  display: block;
}
.resource-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.resource-kind {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 14px;
}
.resource-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.resource-meta {
  font-size: 14px;
  color: var(--text-dim);
  margin: 0;
  line-height: 1.55;
}

/* ---------- story: memory to action ---------- */
.story { display: flex; flex-direction: column; gap: 56px; margin-top: 16px; }
.story-row {
  padding: 32px 0 8px;
  border-top: 1px solid var(--border);
}
.story-row:first-child { border-top: none; padding-top: 8px; }
.story-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 18px;
}
.story-pair {
  display: grid;
  grid-template-columns: 1fr 48px 1fr;
  gap: 0;
  align-items: stretch;
}
.story-obs, .story-act {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.story-act {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-faint), transparent 60%), var(--bg-elev);
}
.story-tag {
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
}
.story-tag-act { color: var(--accent); border-bottom-color: rgba(245, 176, 65, 0.25); }
.story-obs pre, .story-act pre {
  margin: 0;
  padding: 18px 20px;
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  color: var(--text);
  flex: 1;
}
.story-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 22px;
}
.story-meta {
  margin: 18px 0 0;
  color: var(--text-dim);
  font-size: 15px;
  max-width: 720px;
  line-height: 1.6;
}
.story-foot {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-dim);
  font-size: 15px;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .feature { grid-template-columns: 1fr; gap: 40px; }
  .feature-reverse .feature-copy { order: 0; }
  .feature-reverse .feature-demo { order: 0; }
  .problem-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .agent-grid { grid-template-columns: 1fr; }
  .surface-row { grid-template-columns: 1fr; gap: 12px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-cols { grid-template-columns: repeat(3, 1fr); }
  .resource-grid { grid-template-columns: 1fr; }
  .promote-flow { flex-direction: column; }
  .promote-arrow { transform: rotate(90deg); justify-content: center; }
  .story-pair { grid-template-columns: 1fr; }
  .story-arrow { transform: rotate(90deg); padding: 16px 0; }
}

@media (max-width: 600px) {
  .hero { padding: 64px 0 48px; }
  .section { padding: 80px 0; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-foot { flex-direction: column; gap: 8px; text-align: center; }
  .nav-actions .btn-ghost { display: none; }
}