/* =============================================================================
   Vive — Marketing landing ("Daylight, in the open")
   Built on the Daylight design tokens. Marketing elevation: a Fraunces display
   serif over the brand Inter + JetBrains Mono, fluid type, warm-paper canvas.
   Flat, hairline, one terracotta accent — no gradients, no glass, no slop.
   ============================================================================= */

/* ------------------------------------------------------------ tokens (Daylight) */
:root {
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --font-display: 'Fraunces', 'Times New Roman', Georgia, serif;

  --space-1: 2px;  --space-2: 4px;  --space-3: 8px;  --space-4: 12px;
  --space-5: 16px; --space-6: 24px; --space-7: 32px; --space-8: 40px;
  --space-9: 64px; --space-10: 96px; --space-11: 144px;

  --radius-sm: 6px; --radius-md: 8px; --radius-lg: 10px; --radius-full: 9999px;

  --dur-fast: 120ms; --dur: 220ms; --dur-slow: 720ms;
  --ease: cubic-bezier(0.2, 0, 0, 1);              /* brand ease */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);  /* marketing reveals */

  --shadow-overlay: 0 8px 28px rgba(40, 33, 24, 0.12);

  /* fluid display scale */
  --fs-hero:  clamp(2.9rem, 1.6rem + 6vw, 6.4rem);
  --fs-h2:    clamp(2rem, 1.3rem + 3vw, 3.4rem);
  --fs-lede:  clamp(1.35rem, 1.05rem + 1.3vw, 2.05rem);
  --fs-sub:   clamp(1.02rem, 0.95rem + 0.4vw, 1.2rem);

  --maxw: 1180px;
}

:root, :root[data-theme="light"] {
  --surface-canvas:  #faf9f6;
  --surface-raised:  #ffffff;
  --surface-sunken:  #f3f1ec;
  --surface-overlay: #ffffff;
  --border-subtle:   #f0ede6;
  --border-default:  #eae5dc;
  --border-strong:   #ddd6c9;
  --text-primary:    #211e1a;
  --text-secondary:  #6b6459;
  --text-tertiary:   #736c60;   /* AUDIT H-2 corrected: ≥4.5:1 on canvas */
  --text-faint:      #b3ab9c;
  --accent:          #b15a2e;
  --accent-hover:    #9a4d26;
  --accent-text:     #a8522a;
  --accent-subtle:   #f8efe7;
  --on-accent:       #ffffff;
  --status-success:  #15803d; --status-success-subtle: rgba(21,128,61,0.09);
  --status-warning:  #a16207; --status-warning-subtle: rgba(161,98,7,0.09);
  --status-danger:   #c2410c; --status-danger-subtle:  rgba(194,65,12,0.09);
  --focus-ring: 0 0 0 2px var(--surface-canvas), 0 0 0 4px var(--accent);

  /* scene colors read by scene.js */
  --scene-ink:    #2a251f;
  --scene-accent: #b15a2e;
  --scene-faint:  #cabfad;
}

:root[data-theme="dark"] {
  --surface-canvas:  #1a1714;
  --surface-raised:  #211d19;
  --surface-sunken:  #14110e;
  --surface-overlay: #262019;
  --border-subtle:   #262019;
  --border-default:  #322a22;
  --border-strong:   #463b30;
  --text-primary:    #f0ebe3;
  --text-secondary:  #a8a096;
  --text-tertiary:   #8a8175;
  --text-faint:      #4a4339;
  --accent:          #d07a4e;
  --accent-hover:    #df8a5e;
  --accent-text:     #df8a5e;
  --accent-subtle:   rgba(208,122,78,0.14);
  --on-accent:       #1a1408;
  --status-success:  #5cc98a; --status-success-subtle: rgba(92,201,138,0.12);
  --status-warning:  #e7b65a; --status-warning-subtle: rgba(231,182,90,0.14);
  --status-danger:   #ec6a52; --status-danger-subtle:  rgba(236,106,82,0.14);
  --focus-ring: 0 0 0 2px var(--surface-canvas), 0 0 0 4px var(--accent);

  --scene-ink:    #e9e2d6;
  --scene-accent: #d07a4e;
  --scene-faint:  #5a4f41;
}

/* --------------------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-sans);
  background: var(--surface-canvas);
  color: var(--text-primary);
  font-size: var(--fs-sub);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }
em { font-style: italic; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.mono { font-family: var(--font-mono); }

/* --------------------------------------------------------------- shared bits */
.eyebrow, .section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.eyebrow { display: inline-flex; align-items: center; gap: var(--space-3); }
.eyebrow-dot {
  width: 7px; height: 7px; border-radius: var(--radius-full);
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: beacon 2.6s var(--ease) infinite;
}
@keyframes beacon {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 50%, transparent); }
  50%      { box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 0%, transparent); }
}

.accent-word { color: var(--accent-text); font-style: italic; }
.title-dot, .brand-dot { color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3);
  font-family: var(--font-sans); font-weight: 600; font-size: 0.86rem;
  padding: 9px 16px; border-radius: var(--radius-md);
  border: 1px solid var(--border-strong); background: var(--surface-raised);
  color: var(--text-primary);
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.btn:hover { border-color: var(--text-tertiary); }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn--ghost { background: transparent; border-color: transparent; color: var(--text-secondary); }
.btn--ghost:hover { background: var(--surface-sunken); color: var(--text-primary); border-color: transparent; }
.btn--lg { padding: 13px 22px; font-size: 0.95rem; }
.btn--sm { padding: 6px 11px; font-size: 0.78rem; }
.btn kbd { font-family: var(--font-mono); font-size: 0.72em; opacity: 0.7; font-weight: 500; }

.badge { font-size: 0.72rem; font-weight: 600; font-family: var(--font-mono); display: inline-flex; align-items: center; gap: 6px; letter-spacing: 0.02em; }
.badge::before { content: ''; width: 6px; height: 6px; border-radius: var(--radius-full); }
.badge.warn { color: var(--status-warning); } .badge.warn::before { background: var(--status-warning); }
.conf { font-family: var(--font-mono); font-size: 0.78rem; color: var(--status-success); margin-left: auto; padding-left: var(--space-4); }

/* ============================================================ navigation */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: var(--space-6);
  padding: 14px clamp(var(--space-5), 4vw, var(--space-9));
  background: color-mix(in srgb, var(--surface-canvas) 78%, transparent);
  backdrop-filter: saturate(1.1) blur(8px);  /* sole, purposeful blur: a fixed bar over scrolling paper */
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), padding var(--dur) var(--ease);
}
.nav.scrolled { border-bottom-color: var(--border-default); padding-top: 10px; padding-bottom: 10px; }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); font-weight: 700; font-size: 1.18rem; letter-spacing: -0.02em; }
.brand-mark { width: 18px; height: 18px; border-radius: 5px; background: var(--accent); position: relative; flex: none; }
.brand-mark::after { content: ''; position: absolute; inset: 0; margin: auto; width: 6px; height: 6px; border-radius: var(--radius-full); background: var(--surface-raised); }
.brand-word { line-height: 1; }
.nav-links { display: flex; gap: var(--space-6); margin-left: auto; }
.nav-links a { font-size: 0.86rem; color: var(--text-secondary); font-weight: 500; position: relative; padding: 4px 0; transition: color var(--dur-fast) var(--ease); }
.nav-links a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: 0; height: 1.5px; background: var(--accent); transition: right var(--dur) var(--ease); }
.nav-links a:hover { color: var(--text-primary); } .nav-links a:hover::after { right: 0; }
.nav-actions { display: flex; align-items: center; gap: var(--space-4); }
.theme-toggle { display: grid; place-items: center; width: 36px; height: 36px; border-radius: var(--radius-md); border: 1px solid var(--border-default); color: var(--text-secondary); background: var(--surface-raised); transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.theme-toggle:hover { border-color: var(--border-strong); color: var(--text-primary); }
.ico-moon { display: none; } :root[data-theme="dark"] .ico-sun { display: none; } :root[data-theme="dark"] .ico-moon { display: block; }

/* ================================================================== hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: 0 clamp(var(--space-5), 4vw, var(--space-9)); overflow: hidden; }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
/* paper mask: keeps the left text column clean while the graph breathes on the right */
.hero-grain {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(circle at 82% 16%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 46%),
    linear-gradient(100deg, var(--surface-canvas) 12%, color-mix(in srgb, var(--surface-canvas) 55%, transparent) 44%, transparent 70%);
}
@media (max-width: 900px) {
  .hero-grain { background: linear-gradient(var(--surface-canvas) 4%, color-mix(in srgb, var(--surface-canvas) 80%, transparent) 52%, color-mix(in srgb, var(--surface-canvas) 30%, transparent) 78%, transparent); }
}
.hero-inner { position: relative; z-index: 2; max-width: 880px; width: 100%; margin: 0 auto; padding-top: 96px; }
.hero-title {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 600;
  font-size: var(--fs-hero);
  line-height: 0.96;
  letter-spacing: -0.035em;
  margin: var(--space-5) 0 var(--space-6);
}
.hero-sub { font-size: var(--fs-sub); color: var(--text-secondary); max-width: 50ch; line-height: 1.62; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-7); }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, auto); gap: var(--space-8);
  margin-top: var(--space-9); padding-top: var(--space-6);
  border-top: 1px solid var(--border-default);
  width: fit-content;
}
.hero-stats dt { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-tertiary); margin-bottom: 5px; }
.hero-stats dd { font-family: var(--font-mono); font-size: 0.92rem; font-weight: 500; color: var(--text-primary); font-variant-numeric: tabular-nums; }

.hero-scroll { position: absolute; bottom: var(--space-7); left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: var(--space-3); font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-tertiary); }
.hero-scroll-line { width: 1px; height: 38px; background: linear-gradient(var(--text-faint), transparent); position: relative; overflow: hidden; }
.hero-scroll-line::after { content: ''; position: absolute; top: -38px; left: 0; width: 1px; height: 38px; background: var(--accent); animation: scrolldrop 2.4s var(--ease) infinite; }
@keyframes scrolldrop { 0% { top: -38px; } 70%, 100% { top: 38px; } }

/* ================================================================== bands */
.band { max-width: var(--maxw); margin: 0 auto; padding: clamp(var(--space-9), 10vw, var(--space-11)) clamp(var(--space-5), 4vw, var(--space-7)); }
.band-head { max-width: 60ch; margin-bottom: var(--space-9); }
.band-head h2, .gates-copy h2, .cta-card h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--fs-h2); line-height: 1.02; letter-spacing: -0.03em;
  margin: var(--space-4) 0 var(--space-5);
}
.band-sub { font-size: var(--fs-sub); color: var(--text-secondary); max-width: 52ch; }

/* ---- position band */
.band--position { padding-top: clamp(var(--space-8), 6vw, var(--space-10)); }
.lede { font-family: var(--font-display); font-weight: 400; font-size: var(--fs-lede); line-height: 1.28; letter-spacing: -0.02em; max-width: 24ch; margin-bottom: var(--space-10); }
.lede em { color: var(--accent-text); font-style: italic; }
.position-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.position-grid article { border-top: 1px solid var(--border-strong); padding-top: var(--space-5); }
.num-tag { font-family: var(--font-mono); font-size: 0.74rem; color: var(--accent-text); letter-spacing: 0.08em; }
.position-grid h3 { font-size: 1.16rem; font-weight: 600; letter-spacing: -0.01em; margin: var(--space-4) 0 var(--space-3); line-height: 1.25; }
.position-grid p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }

/* ---- pipeline band */
.rail-stage { border: 1px solid var(--border-default); border-radius: var(--radius-lg); background: var(--surface-raised); padding: clamp(var(--space-6), 4vw, var(--space-9)) clamp(var(--space-5), 4vw, var(--space-8)); margin-bottom: var(--space-8); }
.rail { display: flex; align-items: center; gap: 5px; }
.rail-seg { display: flex; flex-direction: column; align-items: center; gap: 9px; min-width: 0; }
.rail-seg.agent { flex: 1 1 0; }
.rail-seg.gate { flex: 0 0 auto; padding: 0 3px; }
.seg-bar { display: block; width: 100%; height: 7px; border-radius: 3px; background: var(--border-default); position: relative; overflow: hidden; }
.seg-bar::after { content: ''; position: absolute; inset: 0; transform: scaleX(0); transform-origin: left; background: var(--status-success); transition: transform var(--dur-slow) var(--ease-out-expo); }
.rail.lit .rail-seg.agent .seg-bar::after { transform: scaleX(1); }
.rail-seg.agent.is-active .seg-bar::after { background: var(--accent); }
.seg-diamond { width: 12px; height: 12px; border-radius: 2px; transform: rotate(45deg) scale(0.4); background: var(--status-warning); opacity: 0; transition: transform var(--dur) var(--ease-out-expo), opacity var(--dur) var(--ease); }
.rail.lit .rail-seg.gate .seg-diamond { transform: rotate(45deg) scale(1); opacity: 1; }
.seg-label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-tertiary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.rail-seg.gate .seg-label { color: var(--status-warning); font-weight: 600; }
.rail-seg.agent.is-active .seg-label { color: var(--accent-text); font-weight: 600; }
.rail-legend { display: flex; flex-wrap: wrap; gap: var(--space-6); margin-top: var(--space-7); font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-tertiary); }
.rail-legend span { display: inline-flex; align-items: center; gap: var(--space-3); }
.lg { width: 12px; height: 7px; border-radius: 3px; } .lg-done { background: var(--status-success); } .lg-active { background: var(--accent); }
.lg-gate { width: 9px; height: 9px; border-radius: 2px; transform: rotate(45deg); background: var(--status-warning); }
.pipeline-detail { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-7); }
.pd-card { border-left: 2px solid var(--border-strong); padding-left: var(--space-5); }
.pd-k { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent-text); margin-bottom: var(--space-3); }
.pd-v { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }

/* ---- gates band */
.band--gates { background: var(--surface-sunken); max-width: none; }
.gates-inner { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-7), 5vw, var(--space-10)); align-items: center; }
.gates-copy h2 { margin-top: var(--space-4); }
.gates-copy p { color: var(--text-secondary); font-size: 1rem; max-width: 46ch; margin-bottom: var(--space-6); }
.gates-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-4); }
.gates-list li { display: flex; align-items: flex-start; gap: var(--space-4); font-size: 0.95rem; color: var(--text-primary); }
.gate-i { width: 11px; height: 11px; margin-top: 5px; flex: none; transform: rotate(45deg); border-radius: 2px; background: var(--surface-canvas); box-shadow: inset 0 0 0 1.5px var(--accent); }
.gate-card { background: var(--surface-raised); border: 1px solid var(--border-default); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-overlay); }
.gc-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: 14px 18px; border-bottom: 1px solid var(--border-default); }
.gc-name { font-family: var(--font-mono); font-size: 0.82rem; font-weight: 600; }
.gc-body { padding: 16px 18px; display: flex; flex-direction: column; gap: var(--space-4); }
.gc-line { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px; font-size: 0.86rem; color: var(--text-secondary); line-height: 1.5; }
.gc-src { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600; color: var(--accent-text); }
.gc-q { color: var(--text-primary); } .gc-q .gc-src { color: var(--text-tertiary); }
.gc-a { padding-left: var(--space-5); border-left: 2px solid var(--accent-subtle); }
.gc-foot { display: flex; gap: var(--space-3); padding: 14px 18px; border-top: 1px solid var(--border-default); background: var(--surface-sunken); }

/* ---- agents band */
.agent-ledger { list-style: none; border-top: 1px solid var(--border-default); }
.agent-row { display: grid; grid-template-columns: 56px 1.1fr 2fr auto; align-items: center; gap: var(--space-5); padding: var(--space-6) var(--space-3); border-bottom: 1px solid var(--border-default); transition: background var(--dur-fast) var(--ease), padding-left var(--dur) var(--ease); position: relative; }
.agent-row::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--accent); transform: scaleY(0); transform-origin: top; transition: transform var(--dur) var(--ease); }
.agent-row:hover { background: var(--surface-sunken); padding-left: var(--space-6); }
.agent-row:hover::before { transform: scaleY(1); }
.ar-idx { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-tertiary); font-variant-numeric: tabular-nums; }
.ar-name { font-weight: 600; font-size: 1.04rem; letter-spacing: -0.01em; }
.ar-desc { font-size: 0.92rem; color: var(--text-secondary); }
.ar-tag { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-tertiary); border: 1px solid var(--border-default); border-radius: var(--radius-sm); padding: 3px 8px; white-space: nowrap; }
.ar-tag.gate { color: var(--status-warning); border-color: var(--reg-border, color-mix(in srgb, var(--status-warning) 30%, transparent)); }

/* ---- transform band */
.transform-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: clamp(var(--space-5), 3vw, var(--space-8)); align-items: center; margin-bottom: var(--space-9); }
.tcol { border: 1px solid var(--border-default); border-radius: var(--radius-lg); background: var(--surface-raised); padding: var(--space-6); }
.tcol--from { background: var(--surface-sunken); }
.tcol--to { border-color: color-mix(in srgb, var(--accent) 35%, var(--border-default)); }
.tcol-tag { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-tertiary); margin-bottom: var(--space-5); }
.tcol-tag--to { color: var(--accent-text); }
.tlist { list-style: none; display: flex; flex-direction: column; }
.tlist li { display: flex; justify-content: space-between; gap: var(--space-4); padding: 11px 0; border-bottom: 1px solid var(--border-subtle); font-size: 0.9rem; }
.tlist li:last-child { border-bottom: 0; }
.tk { color: var(--text-tertiary); font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.04em; }
.tv { font-weight: 500; text-align: right; }
.tcol--to .tv { color: var(--accent-text); }
.tarrow { color: var(--accent); display: grid; place-items: center; }
@media (max-width: 760px) { .tarrow svg { transform: rotate(90deg); } }
.transform-stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--border-default); border-radius: var(--radius-md); overflow: hidden; }
.transform-stats > div { padding: var(--space-6) var(--space-5); border-right: 1px solid var(--border-default); text-align: left; }
.transform-stats > div:last-child { border-right: 0; }
.ts-v { display: block; font-family: var(--font-mono); font-size: clamp(1.8rem, 1.2rem + 2vw, 2.6rem); font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; color: var(--accent-text); }
.ts-l { font-size: 0.8rem; color: var(--text-secondary); margin-top: var(--space-2); display: block; }

/* ---- cta band */
.band--cta { padding-bottom: var(--space-10); }
.cta-card { border: 1px solid var(--border-default); border-radius: var(--radius-lg); background: var(--surface-raised); padding: clamp(var(--space-7), 5vw, var(--space-10)); text-align: center; max-width: 780px; margin: 0 auto; }
.cta-card .section-label { display: inline-block; }
.cta-card h2 { margin-top: var(--space-4); }
.cta-sub { font-size: var(--fs-sub); color: var(--text-secondary); max-width: 46ch; margin: 0 auto var(--space-7); }
.cta-form { display: flex; gap: var(--space-3); max-width: 480px; margin: 0 auto; }
.input { flex: 1; font: inherit; font-size: 0.95rem; color: var(--text-primary); background: var(--surface-canvas); border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 12px 14px; transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-subtle); }
.input::placeholder { color: var(--text-tertiary); }
.cta-note { font-size: 0.84rem; color: var(--text-tertiary); margin-top: var(--space-5); }
.cta-note.ok { color: var(--status-success); }

/* ---- footer */
.footer { border-top: 1px solid var(--border-default); padding: var(--space-9) clamp(var(--space-5), 4vw, var(--space-7)); }
.footer-inner { max-width: var(--maxw); margin: 0 auto; display: flex; align-items: center; gap: var(--space-6); flex-wrap: wrap; }
.brand--foot { font-size: 1.05rem; }
.footer-tag { font-size: 0.88rem; color: var(--text-secondary); }
.footer-meta { font-size: 0.8rem; color: var(--text-tertiary); margin-left: auto; }

/* =============================================================== motion */
[data-reveal] { opacity: 0; transform: translateY(18px); }
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] { transition: opacity var(--dur-slow) var(--ease-out-expo), transform var(--dur-slow) var(--ease-out-expo); }
  [data-reveal].in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
  .eyebrow-dot, .hero-scroll-line::after { animation: none; }
}

/* =========================================================== responsive */
@media (max-width: 920px) {
  .nav-links { display: none; }
  .position-grid, .pipeline-detail { grid-template-columns: 1fr; gap: var(--space-7); }
  .gates-inner { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); width: 100%; }
  .agent-row { grid-template-columns: 40px 1fr; gap: var(--space-3) var(--space-4); }
  .agent-row .ar-desc { grid-column: 2; } .agent-row .ar-tag { grid-column: 2; justify-self: start; }
  .hero-scroll { display: none; }
  .hero-inner { padding-top: 120px; }
}
@media (max-width: 760px) {
  .transform-grid { grid-template-columns: 1fr; }
  .transform-stats { grid-template-columns: repeat(2, 1fr); }
  .transform-stats > div:nth-child(2) { border-right: 0; }
  .transform-stats > div:nth-child(-n+2) { border-bottom: 1px solid var(--border-default); }
  .cta-form { flex-direction: column; }
  .rail-seg .seg-label { font-size: 0.5rem; }
}