/* ============================================================
   AuctusAI / CS Pulse — Marketing Site
   Design language: control-room / signal telemetry.
   The product watches operational signals — the site looks
   like the inside of the system that does the watching.
   ============================================================ */

:root {
  /* --- Color tokens --- */
  --bg: #0B0D10;
  --panel: #14171C;
  --panel-raised: #191D24;
  --border: #262B33;
  --border-bright: #363D48;

  --text: #EDEEF0;
  --text-dim: #9099A6;
  --text-faint: #5A6270;

  --signal: #FF8A3D;      /* amber — alert / detection */
  --signal-dim: #7A4A26;
  --resolve: #4FD8C4;     /* cyan — health / outcome */
  --resolve-dim: #2A5D55;
  --danger: #FF5C5C;

  /* --- Type --- */
  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --radius: 3px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  /* faint scanline / grid texture across the whole page */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 48px 48px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; color: var(--text-dim); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--signal);
}
.eyebrow.resolve { color: var(--resolve); }
.eyebrow.resolve::before { background: var(--resolve); box-shadow: 0 0 8px var(--resolve); }

.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head h2 { font-size: clamp(28px, 3.4vw, 40px); }
.section-head p { font-size: 17px; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--signal);
  color: #17110A;
  font-weight: 600;
}
.btn-primary:hover { background: #FFA05E; }
.btn-ghost {
  border-color: var(--border-bright);
  color: var(--text);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--resolve); color: var(--resolve); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* --- Nav --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 13, 16, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
}
.brand-mark {
  width: 26px; height: 26px;
  border: 1px solid var(--signal);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.brand-mark::after {
  content: "";
  width: 6px; height: 6px;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--signal);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  color: var(--text-dim);
}
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; gap: 10px; }
.nav-toggle { display: none; }

@media (max-width: 880px) {
  .nav-links:not(.nav-cta) { display: none; }
  .nav .btn-ghost { display: none; }
}

/* --- Hero --- */
.hero {
  padding: 88px 0 96px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.hero .wrap { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero h1 {
  font-size: clamp(34px, 4.6vw, 54px);
  margin-bottom: 22px;
}
.hero h1 .dim { color: var(--text-faint); }
.hero-lede {
  font-size: 18px;
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-proof {
  display: flex;
  gap: 28px;
  margin-top: 44px;
  flex-wrap: wrap;
}
.hero-proof div { font-family: var(--font-mono); }
.hero-proof .num { font-size: 22px; color: var(--resolve); display: block; }
.hero-proof .lbl { font-size: 12px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; }

/* --- Signal chain signature graphic --- */
.chain {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 8px 0 28px;
}
.chain-node {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: center;
  color: var(--text-dim);
}
.chain-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  margin: 0 auto 8px;
  border: 1px solid var(--border-bright);
  background: var(--panel);
}
.chain-node.active .chain-dot { border-color: var(--signal); background: var(--signal); box-shadow: 0 0 12px var(--signal); }
.chain-node.done .chain-dot { border-color: var(--resolve); background: var(--resolve); box-shadow: 0 0 12px var(--resolve); }
.chain-line {
  height: 1px;
  width: 64px;
  background: linear-gradient(to right, var(--border-bright), var(--border-bright));
  position: relative;
  overflow: hidden;
  margin: 0 4px 26px;
}
.chain-line::after {
  content: "";
  position: absolute;
  top: 0; left: -40%;
  width: 40%; height: 100%;
  background: linear-gradient(to right, transparent, var(--signal), transparent);
  animation: travel 2.6s linear infinite;
}
@keyframes travel {
  0% { left: -40%; }
  100% { left: 100%; }
}

.chain-line--loop {
  background: repeating-linear-gradient(to right, var(--resolve-dim) 0 4px, transparent 4px 8px);
}
.chain-line--loop::after { display: none; }
.chain-node.loop {
  color: var(--resolve);
  max-width: 78px;
  line-height: 1.4;
}
.chain-node.loop .chain-dot {
  border-color: var(--resolve);
  background: transparent;
}
.chain-node.loop::before {
  content: "↻";
  display: block;
  font-size: 13px;
  color: var(--resolve);
  margin-bottom: 2px;
  animation: spin-slow 3s linear infinite;
}
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.chain-caption {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
  margin: -14px 0 0;
}

/* --- Demo video slot (placeholder-first, progressive enhancement) --- */
.demo-slot {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}
.demo-slot video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: none;
}
.demo-slot.has-video video { display: block; }
.demo-slot.has-video .demo-slot__placeholder { display: none; }

.demo-slot__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
  background:
    repeating-linear-gradient(135deg, rgba(255,138,61,0.035) 0 2px, transparent 2px 14px);
}
.demo-slot__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.demo-slot__rec {
  display: flex; align-items: center; gap: 6px;
  color: var(--signal);
}
.demo-slot__rec::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--signal);
  animation: blink 1.4s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0.25;} }

.demo-slot__center {
  margin: auto;
  text-align: center;
  max-width: 380px;
}
.demo-slot__play {
  width: 52px; height: 52px;
  margin: 0 auto 16px;
  border: 1px solid var(--border-bright);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-faint);
}
.demo-slot__title {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--text);
  margin-bottom: 8px;
}
.demo-slot__brief {
  font-size: 13px;
  color: var(--text-faint);
  line-height: 1.5;
  margin: 0;
}
.demo-slot__file {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-faint);
  text-align: center;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.demo-slot__file code { color: var(--resolve); }

.demo-slot--compact { aspect-ratio: 16/10; }
.demo-slot--compact .demo-slot__title { font-size: 15px; }
.demo-slot--compact .demo-slot__brief { font-size: 12px; }

/* --- Verticals strip --- */
.strip {
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding-top: 0;
  padding-bottom: 0;
}
.strip-item {
  flex: 1 1 150px;
  padding: 22px 18px;
  border-right: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  text-align: center;
}
.strip-item:last-child { border-right: none; }

/* --- Narrative (scenario) cards --- */
.narrative-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
@media (max-width: 880px) {
  .narrative-grid { grid-template-columns: 1fr; }
}
.narrative-card {
  background: var(--panel);
  padding: 32px;
  display: flex;
  flex-direction: column;
}
.narrative-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: 14px;
}
.narrative-card h3 { font-size: 21px; margin-bottom: 10px; }
.narrative-figure {
  font-family: var(--font-mono);
  font-size: 26px;
  color: var(--signal);
  margin-bottom: 14px;
}
.narrative-card p { font-size: 14.5px; }
.narrative-outcome {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13.5px;
}
.narrative-outcome .label {
  font-family: var(--font-mono);
  color: var(--resolve);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 6px;
}
.narrative-more {
  text-align: center;
  padding: 22px;
  font-size: 14px;
  color: var(--text-faint);
  border: 1px dashed var(--border-bright);
  border-top: none;
}

/* --- Process (Watch/Detect/Act/Achieve/Prove/Learn) --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
@media (max-width: 1180px) {
  .process-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 700px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .process-grid { grid-template-columns: 1fr; }
}
.process-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 18px;
  background: var(--panel);
}
.process-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal);
  margin-bottom: 18px;
}
.process-card h3 { font-size: 18px; margin-bottom: 8px; }
.process-card p { font-size: 13.5px; margin-bottom: 0; }
.process-card--loop {
  border-color: var(--resolve-dim);
  background: linear-gradient(180deg, rgba(79,216,196,0.06), transparent 60%);
}
.process-card--loop .process-num { color: var(--resolve); }

/* --- Playbooks list --- */
.playbook-list { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.playbook-row {
  display: grid;
  grid-template-columns: 90px 1.4fr 1.6fr;
  gap: 20px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.playbook-row:last-child { border-bottom: none; }
.playbook-row:nth-child(odd) { background: var(--panel); }
@media (max-width: 720px) {
  .playbook-row { grid-template-columns: 1fr; gap: 6px; }
}
.playbook-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--resolve);
}
.playbook-name { font-family: var(--font-display); font-size: 16px; }
.playbook-trigger { font-size: 13px; color: var(--text-faint); margin: 0; }
.playbook-trigger b { color: var(--text-dim); font-weight: 500; }

/* --- Two column with demo slot --- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 880px) {
  .split { grid-template-columns: 1fr; }
}
.split.reverse .split-media { order: -1; }
@media (min-width: 881px) {
  .split.reverse .split-media { order: 2; }
}
.feature-list { list-style: none; margin: 24px 0 0; padding: 0; }
.feature-list li {
  padding: 12px 0;
  border-top: 1px solid var(--border);
  font-size: 14.5px;
  color: var(--text-dim);
  display: flex;
  gap: 10px;
}
.feature-list li::before { content: "→"; color: var(--signal); flex-shrink: 0; }

/* --- Verticals grid --- */
.vertical-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 780px) { .vertical-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .vertical-grid { grid-template-columns: 1fr; } }
.vertical-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.vertical-card h4 { font-size: 15.5px; margin-bottom: 6px; }
.vertical-card p { font-size: 13px; margin-bottom: 12px; }
.vertical-kpis {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.vertical-kpis span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-faint);
  border: 1px solid var(--border-bright);
  border-radius: 20px;
  padding: 3px 9px;
}

/* --- Trust / security grid --- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 780px) { .trust-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .trust-grid { grid-template-columns: 1fr; } }
.trust-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
}
.trust-status {
  position: absolute;
  top: 20px; right: 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 20px;
  color: var(--resolve);
  border: 1px solid var(--resolve-dim);
}
.trust-status.soon {
  color: var(--text-faint);
  border-color: var(--border-bright);
}
.trust-card h4 { font-size: 15px; margin: 6px 0 6px; padding-right: 70px; }
.trust-card p { font-size: 13px; margin: 0; }

/* --- About / founder --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 880px) { .about-grid { grid-template-columns: 1fr; } }
.cred-list { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); margin-top: 24px; }
.cred-row { background: var(--panel); padding: 16px 20px; display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.cred-co { font-family: var(--font-display); font-size: 15px; }
.cred-detail { font-size: 12.5px; color: var(--text-faint); text-align: right; }

/* --- Final CTA --- */
.cta-section { border-bottom: none; padding-bottom: 110px; }
.cta-panel {
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  padding: 64px 48px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(255,138,61,0.06), transparent 60%);
}
.cta-panel h2 { font-size: clamp(28px, 3.6vw, 40px); max-width: 640px; margin: 0 auto 16px; }
.cta-panel p { max-width: 520px; margin: 0 auto 32px; }
.cta-panel .btn-row { justify-content: center; }

/* --- Footer --- */
footer {
  padding: 56px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-brand p { font-size: 13.5px; max-width: 260px; }
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  font-size: 13.5px;
  color: var(--text-dim);
  padding: 5px 0;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 10px;
}

/* --- misc --- */
.mono { font-family: var(--font-mono); }
.center { text-align: center; }

/* ============================================================
   MARKETING ENHANCEMENTS (v2) — depth, motion, life.
   Additive layer. Fully gated by prefers-reduced-motion.
   ============================================================ */

/* Ambient hero glow — the system "watching" */
.hero::before {
  content: "";
  position: absolute;
  inset: -25% -12% -30% -12%;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(38% 52% at 16% 22%, rgba(255,138,61,0.16), transparent 72%),
    radial-gradient(44% 58% at 90% 88%, rgba(79,216,196,0.11), transparent 72%);
  animation: heroDrift 20s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  0%   { transform: translate3d(0,0,0) scale(1); opacity: .85; }
  100% { transform: translate3d(-2.2%, 1.4%, 0) scale(1.07); opacity: 1; }
}
.hero .hero-grid { position: relative; z-index: 2; }

/* Brand mark — outward pulse ring */
.brand-mark::before {
  content: "";
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--signal);
  opacity: 0;
  animation: markPulse 3.2s ease-out infinite;
}
@keyframes markPulse {
  0%   { opacity: .5; transform: scale(.85); }
  70%  { opacity: 0;  transform: scale(1.55); }
  100% { opacity: 0; }
}

/* Nav — richer scrolled state */
.nav.scrolled {
  background: rgba(11,13,16,0.94);
  box-shadow: 0 1px 0 var(--border), 0 10px 34px rgba(0,0,0,0.4);
}

/* Buttons — glow + lift */
.btn { transition: all .18s ease; }
.btn-primary { box-shadow: 0 0 0 rgba(255,138,61,0); }
.btn-primary:hover { box-shadow: 0 10px 34px rgba(255,138,61,0.30); transform: translateY(-1px); }
.btn-ghost:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* Hero proof — turn stats into dashboard metric chips */
.hero-proof div {
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), rgba(20,23,28,0.35));
  transition: border-color .2s ease, transform .2s ease;
}
.hero-proof div:hover { border-color: var(--border-bright); transform: translateY(-2px); }
.hero-proof .num { font-size: 24px; font-variant-numeric: tabular-nums; }

/* Signal chain — placed in hero */
.hero .chain { justify-content: flex-start; margin: 28px 0 4px; flex-wrap: wrap; }
.hero .chain-caption { text-align: left; margin: 0 0 24px; }

/* Card hover depth (narrative / process / vertical / trust) */
.narrative-card, .process-card, .vertical-card, .trust-card {
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
}
.process-card:hover, .vertical-card:hover, .trust-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-bright);
  box-shadow: 0 12px 38px rgba(0,0,0,0.38);
}
.narrative-card:hover { background: var(--panel-raised); transform: translateY(-2px); }
.narrative-card:hover .narrative-figure { text-shadow: 0 0 20px rgba(255,138,61,0.45); }
.vertical-card:hover .vertical-kpis span { border-color: var(--resolve-dim); color: var(--text-dim); }
.trust-card:hover .trust-status:not(.soon) { box-shadow: 0 0 14px rgba(79,216,196,0.25); }

/* Demo slots — a touch of premium framing */
.demo-slot { box-shadow: 0 20px 60px rgba(0,0,0,0.35); transition: box-shadow .25s ease, border-color .25s ease; }
.demo-slot:hover { border-color: var(--resolve-dim); box-shadow: 0 24px 70px rgba(0,0,0,0.45); }

/* Verticals strip — subtle interactivity */
.strip-item { transition: color .2s ease, background .2s ease; }
.strip-item:hover { color: var(--text); background: var(--panel-raised); }

/* CTA panel — top accent line */
.cta-panel { position: relative; overflow: hidden; }
.cta-panel::before {
  content: ""; position: absolute; top: 0; left: 10%; right: 10%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal), var(--resolve), transparent);
  opacity: .7;
}

/* Gradient accent word */
.grad {
  background: linear-gradient(92deg, var(--signal), #FFB27A 60%, var(--resolve));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s cubic-bezier(.2,.6,.2,1), transform .6s cubic-bezier(.2,.6,.2,1);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .hero::before, .brand-mark::before, .chain-line::after, .chain-node.loop::before { animation: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ============================================================
   COLORFUL BACKGROUND (v3) — replace the flat black with a
   vibrant aurora canvas: deep indigo base + soft color blobs.
   Color lives at the edges so section text stays readable.
   ============================================================ */
:root { --bg: #0C0D24; }
body {
  background:
    radial-gradient(58% 48% at 12% -6%,  rgba(255,138,61,0.20), transparent 60%),
    radial-gradient(52% 44% at 104% 8%,  rgba(79,216,196,0.18), transparent 60%),
    radial-gradient(64% 58% at 88% 106%, rgba(139,92,246,0.26), transparent 62%),
    radial-gradient(48% 48% at -8% 84%,  rgba(236,72,153,0.16), transparent 60%),
    radial-gradient(72% 72% at 50% 42%,  rgba(56,84,190,0.12), transparent 72%),
    linear-gradient(180deg, #0F1132 0%, #0C0D24 50%, #150F30 100%);
  background-attachment: fixed;
  background-repeat: no-repeat;
}
/* soften the white grid so color shows through */
body::before { opacity: 0.6; }
/* let big sections show the aurra; keep the verticals strip as a tinted divider */
.strip { background: linear-gradient(90deg, rgba(20,23,28,0.72), rgba(25,20,40,0.72)); backdrop-filter: blur(2px); }
/* nav picks up a hint of the canvas */
.nav { background: rgba(10, 11, 22, 0.82); }
.nav.scrolled { background: rgba(10, 11, 22, 0.94); }
/* cards get a barely-there color lift so they don't read as flat black */
.narrative-card, .process-card, .vertical-card, .trust-card, .cred-row, .playbook-list, .demo-slot {
  background: linear-gradient(180deg, rgba(24,26,38,0.92), rgba(18,19,30,0.92));
}
/* CTA panel: richer multi-color glow */
.cta-panel {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255,138,61,0.10), transparent 60%),
    radial-gradient(ellipse at 90% 100%, rgba(124,92,255,0.10), transparent 60%),
    rgba(15,16,28,0.6);
}