:root {
  --bg: oklch(98.4% 0.005 106.5);
  --surface: oklch(100% 0 0);
  --surface-soft: oklch(96.8% 0.009 106.5);
  --fg: oklch(20% 0 0);
  --muted: oklch(57.7% 0.012 106.8);
  --border: oklch(88.2% 0.017 91.6);
  --accent: oklch(80.1% 0.188 137.7);
  --accent-deep: oklch(54% 0.13 145);
  --blue: oklch(61% 0.13 240);
  --amber: oklch(77.5% 0.134 76.3);
  --red: oklch(64.7% 0.147 30.7);
  --ink-soft: oklch(29% 0.012 240);
  --shadow: 0 24px 70px oklch(24% 0.018 240 / 0.11);
  --font-display: "Geist", "Avenir Next", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-body: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "Geist Mono", "SF Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 12%, color-mix(in oklch, var(--accent), transparent 83%), transparent 28rem),
    linear-gradient(180deg, var(--bg), oklch(96.5% 0.006 115));
  color: var(--fg);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 20;
  width: min(1180px, calc(100% - 32px));
  margin: 12px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 14px;
  border: 1px solid color-mix(in oklch, var(--border), transparent 20%);
  border-radius: 22px;
  background: color-mix(in oklch, var(--surface), transparent 8%);
  box-shadow: 0 18px 50px oklch(22% 0.018 240 / 0.08);
  backdrop-filter: blur(18px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 720;
  letter-spacing: -0.03em;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--fg);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 14px;
  box-shadow: 0 12px 28px oklch(20% 0.02 245 / 0.16);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}
.nav-links a {
  padding: 10px 12px;
  border-radius: 999px;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--fg);
  background: color-mix(in oklch, var(--accent), transparent 84%);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.menu-toggle { display: none; }

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid color-mix(in oklch, var(--border), transparent 10%);
  border-radius: 999px;
  padding: 0 18px;
  background: var(--surface);
  color: var(--fg);
  font-weight: 680;
  letter-spacing: -0.01em;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 12px 30px oklch(22% 0.02 245 / 0.1); }
.btn.primary {
  border-color: transparent;
  background: var(--fg);
  color: var(--bg);
}
.btn.accent {
  border-color: transparent;
  background: var(--accent);
  color: oklch(18% 0.035 145);
}
.btn.ghost { background: color-mix(in oklch, var(--surface), transparent 24%); }

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.76fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
  padding: clamp(58px, 8vw, 100px) 0 42px;
}
.hero-copy { max-width: 680px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: var(--accent-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 720;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
}
h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: -0.055em;
  color: var(--fg);
}
h1 {
  margin: 0;
  font-size: clamp(48px, 6.4vw, 88px);
  line-height: 0.96;
  text-wrap: balance;
}
h2 {
  margin: 0;
  font-size: clamp(34px, 4.1vw, 58px);
  line-height: 1;
  text-wrap: balance;
}
h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.12;
}
p {
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
}
.lead {
  margin-top: 22px;
  max-width: 620px;
  font-size: clamp(18px, 2vw, 22px);
  text-wrap: pretty;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.channel-line {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--fg);
  font-weight: 650;
}
.pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px color-mix(in oklch, var(--accent), transparent 82%);
}

.agent-card,
.panel,
.section-card,
.form-card {
  border: 1px solid color-mix(in oklch, var(--border), transparent 8%);
  border-radius: 26px;
  background: color-mix(in oklch, var(--surface), transparent 4%);
  box-shadow: var(--shadow);
}
.agent-card { padding: 22px; }
.agent-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.agent-top strong { display: block; letter-spacing: -0.025em; }
.agent-top span { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; }
.status-pill,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: color-mix(in oklch, var(--accent), transparent 82%);
  color: var(--accent-deep);
  font-size: 12px;
  font-weight: 720;
}
.agent-thread { display: grid; gap: 12px; margin-top: 18px; }
.message {
  width: fit-content;
  max-width: 88%;
  padding: 12px 14px;
  border-radius: 18px;
  background: var(--surface-soft);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.45;
}
.message.ai {
  margin-left: auto;
  background: var(--fg);
  color: var(--bg);
}
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.mini-module {
  min-height: 112px;
  display: grid;
  align-content: space-between;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: color-mix(in oklch, var(--surface), transparent 10%);
}
.mini-module b { font-size: 13px; letter-spacing: -0.02em; }
.mini-module span { color: var(--muted); font-size: 12px; line-height: 1.4; }
.meter {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in oklch, var(--border), transparent 20%);
}
.meter i {
  display: block;
  width: var(--w, 60%);
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.section {
  padding: clamp(58px, 8vw, 98px) 0;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 28px;
}
.section-head p {
  max-width: 460px;
  font-size: 17px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.section-card {
  min-height: 230px;
  padding: 24px;
  box-shadow: none;
}
.section-card p { margin-top: 12px; }
.card-index {
  display: inline-flex;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  color: var(--accent-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.feature-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.feature-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--ink-soft);
  line-height: 1.45;
}
.feature-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.carousel-shell {
  margin-top: 34px;
  padding: 18px;
  border-radius: 28px;
  border: 1px solid color-mix(in oklch, var(--border), transparent 15%);
  background: color-mix(in oklch, var(--surface), transparent 8%);
  box-shadow: var(--shadow);
}
.carousel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.carousel-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(270px, 1fr);
  gap: 14px;
  overflow: hidden;
  scroll-behavior: smooth;
}
.preview-card {
  min-height: 210px;
  display: grid;
  align-content: space-between;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
}
.preview-card h3 { font-size: 19px; }
.preview-bars { display: grid; gap: 8px; }
.preview-bars i {
  display: block;
  height: 9px;
  width: var(--w);
  border-radius: 999px;
  background: color-mix(in oklch, var(--c, var(--accent)), transparent 18%);
}
.carousel-controls { display: flex; gap: 8px; }
.icon-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--fg);
}

.voice-shell {
  margin-top: 34px;
  padding: 18px;
  border-radius: 28px;
  border: 1px solid color-mix(in oklch, var(--border), transparent 15%);
  background:
    radial-gradient(circle at 8% 10%, color-mix(in oklch, var(--accent), transparent 82%), transparent 34%),
    linear-gradient(180deg, var(--surface), var(--surface-soft));
  box-shadow: var(--shadow);
}
.voice-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 42px) / 4);
  gap: 14px;
  overflow: hidden;
  scroll-behavior: smooth;
}
.voice-card {
  min-height: 250px;
  display: grid;
  align-content: space-between;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: color-mix(in oklch, var(--surface), white 16%);
}
.voice-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.voice-avatar {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--fg);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.voice-card h3 {
  margin-top: 7px;
  font-size: 18px;
  letter-spacing: -0.03em;
}
.voice-card p {
  color: var(--ink-soft);
  line-height: 1.5;
}
.voice-play {
  min-height: 46px;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: 999px;
  background: var(--fg);
  color: var(--bg);
  font-weight: 800;
  box-shadow: 0 14px 34px color-mix(in oklch, var(--fg), transparent 86%);
  transition: transform 0.18s ease, background 0.18s ease;
}
.voice-play span {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--fg);
  font-size: 10px;
}
.voice-play:hover { transform: translateY(-1px); }
.voice-play.is-playing {
  background: var(--accent);
  color: var(--fg);
}
.voice-play.is-playing span {
  background: var(--fg);
  color: var(--accent);
}

.cta-band {
  margin: clamp(40px, 7vw, 80px) 0;
  padding: clamp(30px, 5vw, 54px);
  border-radius: 32px;
  background: var(--fg);
  color: var(--bg);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  overflow: hidden;
  position: relative;
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: auto -80px -120px auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklch, var(--accent), transparent 18%), transparent 65%);
}
.cta-band h2,
.cta-band p { color: inherit; position: relative; z-index: 1; }
.cta-band p { opacity: 0.72; margin-top: 12px; max-width: 620px; }
.cta-band .btn { position: relative; z-index: 1; }

.page-hero {
  padding: clamp(70px, 10vw, 122px) 0 44px;
  max-width: 900px;
}
.page-hero .lead { max-width: 780px; }
.split-section {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 26px;
  align-items: start;
  padding: 32px;
}
.split-section + .split-section { margin-top: 18px; }
.split-label {
  position: sticky;
  top: 110px;
}
.split-label p { margin-top: 12px; }
.use-case-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.use-case-item {
  min-height: 94px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: color-mix(in oklch, var(--surface), transparent 5%);
  color: var(--ink-soft);
  line-height: 1.45;
}
.timeline {
  display: grid;
  gap: 12px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 94px 1fr;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: color-mix(in oklch, var(--surface), transparent 7%);
}
.timeline-item b {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent-deep);
  text-transform: uppercase;
}

.investor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 18px;
}
.metric-stack {
  display: grid;
  gap: 14px;
}
.proof-card {
  padding: 22px;
  border-radius: 24px;
  background: var(--fg);
  color: var(--bg);
  box-shadow: var(--shadow);
}
.proof-card h3,
.proof-card p { color: inherit; }
.proof-card p { opacity: 0.72; margin-top: 10px; }
.footer {
  margin-top: 40px;
  padding: 34px 0 44px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
}
.footer p { max-width: 430px; margin-top: 12px; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .topbar { align-items: flex-start; }
  .menu-toggle {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--surface);
  }
  .nav-links {
    position: fixed;
    inset: 76px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }
  body.menu-open .nav-links { display: flex; }
  .nav-actions .btn:not(.primary) { display: none; }
  .hero,
  .investor-grid,
  .split-section,
  .cta-band {
    grid-template-columns: 1fr;
  }
  .split-label { position: static; }
  .hero { min-height: auto; padding-top: 56px; }
  .grid-3,
  .grid-2,
  .use-case-list {
    grid-template-columns: 1fr;
  }
  .voice-track {
    grid-auto-columns: minmax(260px, calc((100% - 14px) / 2));
    overflow-x: auto;
  }
  .section-head {
    display: grid;
    align-items: start;
  }
}

@media (max-width: 560px) {
  .site-shell,
  .topbar { width: min(100% - 22px, 1180px); }
  .topbar { top: 8px; border-radius: 18px; }
  .brand span { display: none; }
  h1 { font-size: clamp(42px, 14vw, 58px); }
  .hero-actions,
  .cta-band .btn,
  .nav-actions .btn.primary { width: 100%; }
  .btn { width: 100%; }
  .workflow-grid,
  .timeline-item {
    grid-template-columns: 1fr;
  }
  .carousel-track { grid-auto-columns: 86%; overflow-x: auto; }
  .voice-track { grid-auto-columns: 86%; }
  .split-section { padding: 22px; }
}

/* --- voice picker extras (2026-07-05) --- */
.voice-toggle { display:flex; gap:8px; }
.voice-toggle button { min-height:36px; padding:0 14px; border-radius:999px; border:1px solid var(--border); background:transparent; cursor:pointer; font:inherit; color:var(--ink-soft); }
.voice-toggle button.on { background: var(--fg); color: var(--accent); border-color: var(--fg); }
.voice-current { font-size:11px; font-family:var(--font-mono); letter-spacing:.06em; color:var(--accent); background:var(--fg); border-radius:999px; padding:2px 8px; margin-left:6px; }