:root {
  --bg: #06070b;
  --bg-2: #0b0f17;
  --panel: rgba(255, 255, 255, 0.05);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #f6f7fb;
  --muted: rgba(246, 247, 251, 0.7);
  --faint: rgba(246, 247, 251, 0.4);
  --violet: #c084fc;
  --cyan: #67e8f9;
  --lime: #86efac;
  --shadow: 0 36px 120px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 12%, rgba(192, 132, 252, 0.2), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(103, 232, 249, 0.12), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 54%, #05060a 100%);
  font-family: "Space Grotesk", system-ui, sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.18;
  mask-image: radial-gradient(circle at center, black, transparent 80%);
  pointer-events: none;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image: radial-gradient(#fff 0.5px, transparent 0.5px);
  background-size: 8px 8px;
  mix-blend-mode: soft-light;
}

.site-header,
.section {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0 6px;
}

.brand,
.header-meta {
  color: var(--text);
  text-decoration: none;
}

.brand,
.header-meta,
.micro,
.signal-label,
.card-kicker,
.panel-top,
.lane-title,
.delta-head,
.closing-meta,
.section-index,
.hero-badges span,
.kernel-strip span,
.artifact-row span {
  font-family: "IBM Plex Mono", monospace;
}

.brand {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 20px;
}

.header-meta {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  color: var(--faint);
}

.section {
  padding: 38px 0 72px;
}

.micro,
.signal-label,
.card-kicker,
.panel-top,
.delta-head,
.closing-meta,
.hero-badges span,
.section-index,
.kernel-strip span,
.artifact-row span {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
}

.micro {
  color: var(--violet);
  margin-bottom: 18px;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

h1,
h2,
h3 {
  letter-spacing: -0.06em;
}

.hero {
  padding-top: 30px;
}

.hero-grid,
.statement-grid,
.demo-grid,
.audience-grid {
  display: grid;
  gap: 28px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: end;
}

.hero-copy {
  position: relative;
}

.hero-copy::before {
  content: "apo";
  position: absolute;
  top: -44px;
  left: -8px;
  font-size: clamp(120px, 20vw, 260px);
  line-height: 0.84;
  letter-spacing: -0.08em;
  color: rgba(255, 255, 255, 0.03);
  z-index: -1;
}

h1 {
  font-size: clamp(58px, 10vw, 148px);
  line-height: 0.88;
  max-width: 920px;
}

.hero-lead,
.statement-text,
.switch-card p,
.mini-text,
.bubble,
.lane-card p,
.audience-card li,
.closing-panel p,
.delta-cell {
  color: var(--muted);
  line-height: 1.7;
}

.hero-lead {
  font-size: clamp(18px, 2.1vw, 24px);
  max-width: 820px;
  margin-top: 24px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: #e9ecf7;
}

.hero-side {
  display: grid;
  gap: 16px;
}

.switch-card,
.mini-panel,
.chat-panel,
.system-panel,
.audience-card,
.closing-panel,
.delta-table {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}

.switch-card,
.mini-panel,
.chat-panel,
.system-panel,
.audience-card,
.closing-panel {
  border-radius: 24px;
  padding: 22px;
}

.signal-label,
.card-kicker,
.panel-top {
  color: var(--cyan);
  margin-bottom: 10px;
}

.switch-card p {
  color: var(--text);
  font-size: 20px;
  line-height: 1.45;
}

.mini-kicker {
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  margin-bottom: 8px;
}

.mini-text {
  color: var(--text);
  font-size: 28px;
  line-height: 1.1;
}

.statement-section,
.compare-section {
  position: relative;
}

.section-index {
  position: absolute;
  right: 0;
  top: 18px;
  color: rgba(255, 255, 255, 0.08);
  font-size: clamp(48px, 8vw, 120px);
  line-height: 1;
}

.statement-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  align-items: end;
}

h2 {
  font-size: clamp(34px, 4.8vw, 74px);
  line-height: 0.96;
  max-width: 940px;
}

.statement-text {
  font-size: 18px;
}

.section-head {
  margin-bottom: 22px;
}

.demo-grid {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.chat-thread {
  display: grid;
  gap: 14px;
}

.bubble {
  max-width: 86%;
  padding: 16px 18px;
  border-radius: 18px;
  font-size: 17px;
}

.bubble-user {
  margin-left: auto;
  background: rgba(103, 232, 249, 0.09);
  border: 1px solid rgba(103, 232, 249, 0.2);
  color: var(--text);
}

.bubble-agent {
  background: rgba(192, 132, 252, 0.1);
  border: 1px solid rgba(192, 132, 252, 0.2);
  color: var(--text);
}

.bubble.subtle {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
}

.artifact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.artifact-row span,
.kernel-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: #e6eaf6;
}

.system-panel {
  display: grid;
  gap: 14px;
}

.lane-card {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.lane-fast {
  background: linear-gradient(135deg, rgba(103, 232, 249, 0.08), rgba(192, 132, 252, 0.1));
  border-color: rgba(255, 255, 255, 0.16);
}

.lane-title {
  color: var(--text);
  font-size: 12px;
  margin-bottom: 6px;
}

.lane-card p {
  color: var(--text);
  font-size: 16px;
}

.lane-stack {
  display: grid;
  gap: 12px;
}

.kernel-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 4px;
}

.compare-headline {
  max-width: 980px;
}

.audience-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.audience-card h3 {
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.02;
  margin-bottom: 14px;
}

.audience-card ul {
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.audience-card li {
  font-size: 17px;
}

.delta-table {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-radius: 26px;
  overflow: hidden;
}

.delta-head,
.delta-cell {
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
}

.delta-head {
  color: var(--faint);
  background: rgba(255, 255, 255, 0.03);
}

.delta-cell {
  font-size: clamp(18px, 2vw, 26px);
  line-height: 1.35;
}

.delta-cell:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.delta-cell.muted {
  border-right: 1px solid var(--line);
}

.delta-cell.strong {
  color: var(--text);
}

.closing-section {
  padding-bottom: 110px;
}

.closing-panel h2 {
  max-width: 980px;
}

.closing-panel p {
  max-width: 760px;
  margin-top: 16px;
  font-size: 18px;
}

.closing-meta {
  margin-top: 22px;
  color: var(--faint);
}

.reveal {
  opacity: 1;
  transform: none;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1100px) {
  .hero-grid,
  .statement-grid,
  .demo-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .section-index {
    position: static;
    margin-bottom: 18px;
    color: rgba(255, 255, 255, 0.14);
    font-size: 40px;
  }
}

@media (max-width: 720px) {
  .site-header,
  .section {
    width: min(100% - 20px, 1240px);
  }

  .header-meta {
    display: none;
  }

  .section {
    padding: 28px 0 52px;
  }

  .hero-copy::before {
    top: -22px;
    left: -4px;
  }

  .switch-card,
  .mini-panel,
  .chat-panel,
  .system-panel,
  .audience-card,
  .closing-panel,
  .delta-table {
    border-radius: 20px;
  }

  .delta-head,
  .delta-cell,
  .chat-panel,
  .system-panel,
  .switch-card,
  .mini-panel,
  .audience-card,
  .closing-panel {
    padding-left: 18px;
    padding-right: 18px;
  }

  .delta-cell {
    font-size: 16px;
  }

  .bubble {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}