.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;
}

:root {
  --bg: #030712;
  --panel: rgba(8, 15, 28, 0.64);
  --panel-soft: rgba(8, 15, 28, 0.42);
  --line: rgba(216, 238, 255, 0.58);
  --text: #eef4ff;
  --text-soft: rgba(238, 244, 255, 0.86);
  --blue-strong: #c2dbff;
  --transition: 260ms cubic-bezier(0.16, 1, 0.3, 1);
  --radius: 26px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Inter", sans-serif; color: var(--text); background: linear-gradient(180deg, #030712 0%, #040a15 38%, #050c17 100%); }
button { font: inherit; }
.experience-shell { width: 100%; min-height: 100vh; }
.topbar { position: fixed; inset: 0 0 auto 0; z-index: 40; padding: 24px 32px 0; pointer-events: none; }
.eyebrow, .node-title, 

.demo-index { font-family: "IBM Plex Mono", monospace; }
.eyebrow { margin: 0; color: var(--blue-strong); font-size: 0.74rem; letter-spacing: 0.15em; text-transform: uppercase; }

.brain-stage { position: relative; min-height: 100vh; width: 100%; overflow: hidden; }
.brain-stage::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 180px; background: linear-gradient(180deg, rgba(3,7,18,0) 0%, rgba(3,7,18,0.62) 42%, rgba(3,7,18,0.94) 100%); pointer-events: none; z-index: 11; }
.brain-media { position: absolute; inset: 0; display: grid; place-items: center; overflow: hidden; }
.brain-video, .brain-loop { width: 100vw; height: 100vh; object-fit: cover; }
.brain-loop { position: absolute; inset: 0; opacity: 0; transition: opacity 700ms ease; }
body.intro-complete .brain-loop { opacity: 1; }
body.intro-complete .brain-video { opacity: 0; transition: opacity 500ms ease; }

.trace-layer { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 10; pointer-events: none; }
.trace { fill: none; stroke: rgba(222, 241, 255, 0.58); stroke-width: 1.15; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 180; stroke-dashoffset: 180; opacity: 0; filter: blur(0.55px) drop-shadow(0 0 3px rgba(168, 217, 255, 0.18)); }
body.trace-lens-active .trace-lens, body.trace-argos-active .trace-argos, body.trace-brand-scout-active .trace-brand-scout, body.trace-web-presence-active .trace-web-presence, body.trace-business-os-active .trace-business-os, body.trace-automations-active .trace-automations { opacity: 1; animation: drawTrace 360ms ease forwards, traceBreathe 2.4s ease-in-out infinite; }

.node-layer { position: absolute; inset: 0; z-index: 12; pointer-events: none; }
.brain-node { position: absolute; pointer-events: auto; width: 232px; display: grid; gap: 10px; justify-items: end; text-align: right; border: 0; background: transparent; padding: 0; color: var(--text-soft); opacity: 0; transform: translateY(10px); transition: opacity 380ms ease, transform 380ms ease, color var(--transition); }
body.intro-complete .brain-node { opacity: 1; transform: translateY(0); }
.node-title { position: relative; display: inline-block; width: fit-content; color: var(--text); font-size: 0.84rem; letter-spacing: 0.08em; text-transform: uppercase; line-height: 1.3; text-shadow: 0 2px 16px rgba(0, 0, 0, 0.38); }
.node-title::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 100%; height: 1px; background: rgba(238, 244, 255, 0.92); transform: scaleX(0); transform-origin: left center; transition: transform 220ms ease; }
.brain-node:hover .node-title::after, .brain-node.active .node-title::after { transform: scaleX(1); }
.node-copy { width: 100%; max-width: 23ch; min-height: 3.1em; color: rgba(238, 244, 255, 0.94); line-height: 1.45; font-size: 0.93rem; text-shadow: 0 2px 18px rgba(0, 0, 0, 0.45); white-space: normal; text-align: right; }
.node-copy.typing::after { content: ""; display: inline-block; width: 0.6ch; height: 1em; margin-left: 2px; vertical-align: -0.12em; border-right: 1px solid rgba(238, 244, 255, 0.78); animation: caretBlink 0.85s step-end infinite; }
.node-lens { left: 12.5%; top: 14.2%; }
.node-argos { right: 16.5%; top: 14.2%; }
.node-brand { left: 9.4%; top: 36.8%; width: 248px; }
.node-web { right: 8.8%; top: 35.4%; width: 248px; }
.node-os { left: 13.2%; bottom: 11.2%; width: 252px; }
.node-auto { right: 16.2%; bottom: 11.2%; width: 252px; }
.hero-prompt { position: absolute; left: 50%; bottom: 34px; transform: translateX(-50%); z-index: 14; color: rgba(238, 244, 255, 0.92); font-size: 0.88rem; letter-spacing: 0.03em; padding: 12px 18px; border-radius: 999px; border: 1px solid rgba(194, 219, 255, 0.18); background: linear-gradient(180deg, rgba(8, 15, 28, 0.6), rgba(8, 15, 28, 0.42)); backdrop-filter: blur(14px); box-shadow: 0 16px 48px -34px rgba(90, 145, 255, 0.42); }

.page-section { position: relative; padding: 104px 0; }
.page-section::before { content: ""; position: absolute; top: 0; left: 50%; width: min(1180px, calc(100% - 48px)); height: 1px; transform: translateX(-50%); background: linear-gradient(90deg, transparent, rgba(179,209,255,0.18), transparent); }
.section-shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.75fr); gap: 28px; align-items: start; }
.intro-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 0.9fr); gap: 28px; align-items: start; }
.flagship-grid { align-items: center; }
.section-copy h2, .cta-block h2 { margin: 10px 0 18px; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 0.96; letter-spacing: -0.05em; }
.section-lead { margin: 0; color: var(--text-soft); font-size: 1.02rem; line-height: 1.7; max-width: 38ch; }
.section-lead.small { font-size: 0.95rem; max-width: 34ch; }
.quiet-card { padding: 24px; border-radius: var(--radius); background: rgba(8, 15, 28, 0.5); border: 1px solid rgba(179, 209, 255, 0.14); backdrop-filter: blur(14px); }
.glow-card { background: linear-gradient(180deg, rgba(8,15,28,0.72), rgba(8,15,28,0.46)); box-shadow: 0 18px 60px -40px rgba(98, 157, 255, 0.26); }
.lift-card { transition: transform var(--transition), border-color var(--transition), background var(--transition); }
.lift-card:hover { transform: translateY(-3px); border-color: rgba(179, 209, 255, 0.22); background: rgba(8, 15, 28, 0.56); }
.trace-card { position: relative; overflow: hidden; }
.trace-card::after { content: ""; position: absolute; right: 18px; top: 18px; width: 64px; height: 1px; background: linear-gradient(90deg, rgba(179,209,255,0.0), rgba(179,209,255,0.22)); }
.feature-card { min-height: 100%; display: flex; align-items: center; }
.feature-card p, .quiet-card p { margin: 0; color: rgba(238, 244, 255, 0.88); line-height: 1.66; }

.brand-scout-hero-grid {
  align-items: stretch;
}
.brand-scout-copy {
  display: grid;
  gap: 18px;
}
.flagship-kicker {
  margin: 0;
  max-width: 34ch;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.55;
}
.flagship-pop-card {
  border-color: rgba(179, 209, 255, 0.2);
  box-shadow: 0 18px 60px -36px rgba(117, 184, 255, 0.22);
}
.flagship-inline-proof {
  display: block;
  margin-top: 16px;
  color: var(--text);
  font-weight: 600;
  line-height: 1.6;
}
.scout-signal-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
  margin-bottom: 22px;
}
.signal-pill {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(179, 209, 255, 0.16);
  background: rgba(12, 22, 40, 0.46);
  color: var(--text-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.feature-columns { margin-top: 28px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.signal-list { margin: 10px 0 0; padding-left: 18px; color: var(--text-soft); display: grid; gap: 10px; line-height: 1.5; }
.compact-list { gap: 8px; margin-top: 14px; }
.quiet-card h3 { margin: 10px 0 10px; font-size: 1.4rem; letter-spacing: -0.03em; }


.intro-copy-stack {
  display: grid;
  gap: 18px;
}
.positioning-line {
  margin: 0;
  max-width: 34ch;
  font-size: 1.08rem;
  line-height: 1.55;
  color: var(--text);
}
.closing-note-shell {
  margin-top: 24px;
}
.closing-note {
  margin: 0;
  max-width: 54ch;
  color: var(--text);
  font-size: 1.04rem;
  line-height: 1.7;
}
.support-note,
.use-case-line {
  margin-top: 14px !important;
  color: var(--text);
  line-height: 1.55;
}
.demo-tile em {
  font-style: normal;
  color: var(--blue-strong);
  font-size: 0.78rem;
  line-height: 1.5;
}
.demo-tile span:last-child {
  display: grid;
  gap: 8px;
}

.demos-block { margin-top: 28px; }
.demos-tight { margin-top: 10px; }
.demos-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 0.7fr); gap: 20px; align-items: end; margin-bottom: 22px; }
.demos-head h3 { margin: 10px 0 0; font-size: 1.5rem; letter-spacing: -0.03em; }

.demo-tile {
  position: relative;
  overflow: hidden;
}
.demo-reveal,
.demo-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.demo-reveal {
  background-size: cover;
  background-position: center top;
  opacity: 0;
  transform: scale(1.03);
  transition: opacity 280ms ease, transform 420ms ease;
}
.demo-overlay {
  background: linear-gradient(180deg, rgba(6,12,24,0.08), rgba(6,12,24,0.18) 40%, rgba(6,12,24,0.32) 100%);
  opacity: 0;
  transition: opacity 280ms ease;
}
.demo-content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  transition: opacity 220ms ease, transform 220ms ease;
}
.demo-tile:hover .demo-reveal {
  opacity: 1;
  transform: scale(1);
}
.demo-tile:hover .demo-overlay {
  opacity: 1;
}
.demo-tile:hover .demo-content {
  opacity: 0;
  transform: translateY(6px);
}

.demo-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.demo-grid-rich { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.demo-tile { display: grid; gap: 10px; padding: 22px; border-radius: 22px; background: linear-gradient(180deg, rgba(8,15,28,0.52), rgba(8,15,28,0.38)); border: 1px solid rgba(179, 209, 255, 0.12); color: var(--text); text-decoration: none; transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition); box-shadow: 0 12px 50px -42px rgba(98, 157, 255, 0.18); }
.demo-tile:hover { transform: translateY(-2px); border-color: rgba(179, 209, 255, 0.24); background: rgba(8, 15, 28, 0.6); box-shadow: 0 18px 60px -40px rgba(98, 157, 255, 0.22); }
.demo-index { color: var(--blue-strong); font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase; }
.demo-tile strong { font-size: 1.08rem; font-weight: 600; }
.demo-tile span:last-child { color: var(--text-soft); line-height: 1.5; }

.paired-grid { align-items: center; }
.paired-cards { display: grid; gap: 14px; }
.compact-card { padding: 0; overflow: hidden; }
.expand-toggle { width: 100%; display: flex; justify-content: space-between; align-items: start; gap: 16px; text-align: left; border: 0; background: transparent; color: inherit; padding: 22px; cursor: pointer; }
.expand-toggle strong { display: block; margin-top: 8px; font-size: 1.05rem; font-weight: 600; }

.insight-strip {
  margin-top: 8px;
}
.card-subline {
  display: block;
  margin-top: 7px;
  color: var(--blue-strong);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.expand-body .support-note {
  margin-top: 14px !important;
}

.expand-icon { font-size: 1.4rem; line-height: 1; color: var(--blue-strong); transition: transform var(--transition); }
.expandable-card.is-open .expand-icon { transform: rotate(45deg); }
.expand-body { max-height: 0; overflow: hidden; opacity: 0; transition: max-height 320ms ease, opacity 220ms ease, padding 260ms ease; padding: 0 22px; }
.expandable-card.is-open .expand-body { max-height: 280px; opacity: 1; padding: 0 22px 22px; }
.expand-body p { margin: 0; }

.openclaw-card {
  position: relative;
  overflow: hidden;
}
.openclaw-mark {
  position: absolute;
  right: 18px;
  bottom: 14px;
  width: 124px;
  opacity: 0.08;
  pointer-events: none;
  transform: rotate(-8deg);
}
.openclaw-card.is-open .openclaw-mark,
.openclaw-card:hover .openclaw-mark {
  opacity: 0.12;
}


.system-art {
  position: absolute;
  right: 0;
  top: 0;
  width: 42%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
  pointer-events: none;
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.92) 28%);
  filter: brightness(1.18) saturate(0.92) contrast(0.96);
}
.lens-card, .argos-card {
  position: relative;
  overflow: hidden;
}
.lens-card .expand-toggle,
.argos-card .expand-toggle,
.lens-card .expand-body,
.argos-card .expand-body {
  position: relative;
  z-index: 1;
}
.lens-card:hover .system-art,
.argos-card:hover .system-art,
.automation-card:hover .system-art,
.flagship-photo-card:hover .system-art,
.web-photo-card:hover .system-art,
.lens-card.is-open .system-art,
.argos-card.is-open .system-art,
.automation-card.is-open .system-art {
  opacity: 0.31;
}
.brand-abstract-card {
  position: relative;
  overflow: hidden;
}
.brand-abstract-mark {
  position: absolute;
  inset: auto 18px 16px auto;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(179,209,255,0.34), transparent 22%),
    radial-gradient(circle at 65% 42%, rgba(179,209,255,0.18), transparent 24%),
    radial-gradient(circle at 54% 70%, rgba(179,209,255,0.12), transparent 28%),
    linear-gradient(135deg, rgba(179,209,255,0.16), rgba(179,209,255,0.02));
  filter: blur(0.4px);
  opacity: 0.5;
  pointer-events: none;
}


.section-note {
  margin: 0;
  max-width: 38ch;
  color: rgba(238, 244, 255, 0.92);
  line-height: 1.65;
}
.cta-list {
  margin-top: 20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cta-section { padding-bottom: 120px; }
.cta-block { max-width: 860px; border-color: rgba(194, 219, 255, 0.16); }

.reveal-section { opacity: 0; transform: translateY(18px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal-section.is-visible { opacity: 1; transform: translateY(0); }


.return-shell {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
}
.return-brain {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
  text-decoration: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color var(--transition), transform var(--transition);
}
.return-brain::before {
  content: "↖";
  color: var(--blue-strong);
}
.return-brain:hover {
  color: var(--text);
  transform: translateY(-1px);
}

@keyframes drawTrace { from { stroke-dashoffset: 180; opacity: 0; } to { stroke-dashoffset: 0; opacity: 1; } }
@keyframes traceBreathe { 0%, 100% { filter: blur(0.55px) drop-shadow(0 0 2px rgba(168, 217, 255, 0.14)); } 50% { filter: blur(0.8px) drop-shadow(0 0 5px rgba(214, 238, 255, 0.22)); } }
@keyframes caretBlink { 50% { opacity: 0; } }

@media (max-width: 1100px) { .demo-grid-rich { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 960px) {
  .brain-stage { min-height: 92svh; }
  .brain-video, .brain-loop { object-fit: cover; }
  .node-layer { position: relative; display: grid; gap: 14px; padding: 24px 18px 32px; pointer-events: auto; margin-top: min(78svh, 680px); }
  .trace-layer { display: none; }
  .brain-node { position: relative; left: auto !important; right: auto !important; top: auto !important; bottom: auto !important; max-width: none; opacity: 1; transform: none; width: auto; }
  .hero-prompt { display: none; }
  .topbar { position: absolute; }
  .section-grid, .intro-grid, .feature-columns, .demo-grid, .demos-head, .demo-grid-rich { grid-template-columns: 1fr; }
}



.contact-block {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 28px;
  align-items: start;
}
.contact-form {
  display: grid;
  gap: 18px;
}
.form-field {
  display: grid;
  gap: 10px;
}
.form-field > span,
.checkbox-group legend {
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
}
.form-field input,
.form-field textarea {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(179, 209, 255, 0.18);
  background: rgba(8, 15, 28, 0.72);
  color: var(--text);
  padding: 14px 16px;
  font: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: rgba(194, 219, 255, 0.62);
  box-shadow: 0 0 0 4px rgba(15, 79, 255, 0.18);
}
.checkbox-group {
  border: 1px solid rgba(179, 209, 255, 0.12);
  border-radius: 22px;
  padding: 18px 18px 14px;
  background: rgba(8, 15, 28, 0.4);
}
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  color: var(--text-soft);
}
.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #0f4fff;
}
.primary-button {
  border: 0;
  cursor: pointer;
}
.form-actions {
  align-items: center;
}
.form-status {
  min-height: 1.5em;
  margin: 0;
  color: var(--blue-strong);
}
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}
@media (max-width: 900px) {
  .contact-block {
    grid-template-columns: 1fr;
  }
}


@media (max-width: 960px) {
  .topbar {
    padding: 18px 18px 0;
  }

  .section-shell {
    width: min(100% - 32px, 720px);
  }

  .page-section {
    padding: 72px 0;
  }

  .brain-stage {
    min-height: auto;
    padding-bottom: 0;
  }

  .brain-stage::after {
    height: 92px;
  }

  .brain-media {
    position: relative;
    inset: auto;
    height: 36svh;
    min-height: 220px;
    max-height: 380px;
  }

  .brain-video,
  .brain-loop {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
  }

  .node-layer {
    margin-top: 0;
    margin-top: -18px;
    padding: 6px 16px 16px;
    gap: 8px;
    background: linear-gradient(180deg, rgba(3,7,18,0) 0%, rgba(3,7,18,0.12) 10%, rgba(3,7,18,0.0) 100%);
  }

  .brain-node {
    justify-items: start;
    text-align: left;
    padding: 12px 12px 10px;
    border-radius: 16px;
    background: rgba(8, 15, 28, 0.52);
    border: 1px solid rgba(179, 209, 255, 0.12);
    backdrop-filter: blur(12px);
  }

  .node-title {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
  }

  .node-copy {
    max-width: none;
    min-height: auto;
    text-align: left;
    font-size: 0.9rem;
    line-height: 1.45;
  }

  .section-copy h2,
  .cta-block h2 {
    font-size: clamp(1.85rem, 9vw, 2.45rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
  }

  .section-lead,
  .positioning-line,
  .flagship-kicker,
  .closing-note,
  .section-note {
    max-width: none;
    font-size: 1rem;
    line-height: 1.72;
  }

  .feature-columns,
  .paired-cards,
  .demo-grid,
  .demo-grid-rich {
    gap: 14px;
  }

  .demos-head {
    margin-bottom: 14px;
  }

  .demo-grid-rich {
    grid-template-columns: 1fr;
  }

  .demo-tile {
    min-height: 230px;
    padding: 18px;
  }

  .demo-content {
    align-content: end;
  }

  .quiet-card,
  .lift-card,
  .compact-card {
    border-radius: 22px;
  }

  .expand-toggle {
    padding: 20px 18px;
  }

  .expandable-card.is-open .expand-body {
    max-height: 420px;
    padding: 0 18px 20px;
  }

  .cta-list {
    grid-template-columns: 1fr;
  }

  .contact-block {
    gap: 20px;
  }

  .contact-form {
    gap: 16px;
  }

  .checkbox-group {
    padding: 16px 16px 12px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .primary-link,
  .secondary-link,
  .primary-button {
    justify-content: center;
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 16px 14px 0;
  }

  .section-shell {
    width: min(100% - 24px, 560px);
  }

  .brain-media {
    height: 36svh;
    min-height: 220px;
  }

  .node-layer {
    margin-top: -14px;
    padding: 4px 12px 14px;
    gap: 7px;
  }

  .brain-node {
    padding: 12px 12px 10px;
  }

  .node-copy {
    font-size: 0.88rem;
  }

  .page-section {
    padding: 60px 0;
  }

  .demo-tile {
    min-height: 220px;
    padding: 18px;
  }

  .return-shell {
    justify-content: flex-start;
  }

  .return-brain {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
  }
}