:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --ink: #111111;
  --muted: #5c5c5c;
  --line: #e6e6e3;
  --soft: #f0f0ed;
  --green: #0f7a4a;
  --amber: #9a6700;
  --blue: #1a5cff;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 10px 28px rgba(0,0,0,.05);
  --max: 1080px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(100% - 32px, var(--max)); margin-inline: auto; }
.nav {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  background: rgba(247,247,245,.88);
  border-bottom: 1px solid transparent;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; letter-spacing: -0.03em; font-size: 17px;
}
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px; background: #111; color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 700;
}
.nav-links { display: none; gap: 22px; align-items: center; color: var(--muted); font-size: 14px; }
.nav-links a:hover { color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 42px; padding: 0 16px; border-radius: 999px;
  font-weight: 600; font-size: 14px; border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { background: var(--surface); }
.btn-lg { height: 50px; padding: 0 20px; font-size: 15px; }
.hero { padding: 48px 0 40px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; color: var(--muted);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 12px; margin-bottom: 18px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.hero h1 {
  font-size: clamp(32px, 8vw, 52px);
  line-height: 1.06; letter-spacing: -0.045em; font-weight: 700;
  max-width: 14ch; margin-bottom: 16px;
}
.hero .lede {
  font-size: clamp(16px, 3.6vw, 19px);
  color: var(--muted); max-width: 46ch; margin-bottom: 24px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.hero-panel {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 18px; box-shadow: var(--shadow); overflow: hidden;
}
.panel-top {
  display: flex; gap: 7px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: #fcfcfb;
}
.panel-top span { width: 9px; height: 9px; border-radius: 50%; background: #ddd; }
.panel-top span:nth-child(1){background:#ff5f57}
.panel-top span:nth-child(2){background:#febc2e}
.panel-top span:nth-child(3){background:#28c840}
.panel-body { display: grid; grid-template-columns: 1fr; }
.chat, .dash { padding: 18px; }
.chat { border-bottom: 1px solid var(--line); background: #fff; }
.chat h3, .dash h3 {
  font-size: 11px; text-transform: uppercase; letter-spacing: .07em;
  color: var(--muted); margin-bottom: 12px; font-weight: 600;
}
.bubble {
  background: var(--soft); border-radius: 14px; padding: 11px 13px; margin-bottom: 9px;
  font-size: 14px; max-width: 95%;
}
.bubble.bot { background: #111; color: #fff; }
.bubble .meta { display: block; font-size: 11px; opacity: .65; margin-bottom: 3px; }
.dash { background: #fbfbfa; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px;
}
.stat b { display: block; font-size: 17px; letter-spacing: -0.03em; }
.stat span { font-size: 11px; color: var(--muted); }
.board-row {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 10px 12px; background: #fff; border: 1px solid var(--line);
  border-radius: 10px; margin-bottom: 7px; font-size: 13px;
}
.pill {
  font-size: 11px; font-weight: 600; border-radius: 999px; padding: 3px 8px; white-space: nowrap;
}
.pill.green { background: #e8f7ef; color: var(--green); }
.pill.amber { background: #fff4df; color: var(--amber); }
.pill.blue { background: #eaf0ff; color: var(--blue); }
.section { padding: 56px 0; }
.section.alt { background: #fff; border-block: 1px solid var(--line); }
.section h2 {
  font-size: clamp(26px, 5.5vw, 34px); letter-spacing: -0.04em; font-weight: 700;
  margin-bottom: 10px; max-width: 16ch;
}
.section .sub { color: var(--muted); font-size: 16px; max-width: 48ch; margin-bottom: 28px; }
.steps { display: grid; grid-template-columns: 1fr; gap: 12px; }
.step {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow);
}
.step .n {
  width: 28px; height: 28px; border-radius: 8px; background: #111; color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 700; margin-bottom: 12px;
}
.step h3 { font-size: 16px; letter-spacing: -0.02em; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 14px; }
.depts { display: grid; grid-template-columns: 1fr; gap: 10px; }
.dept {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; transition: border-color .15s ease, transform .15s ease;
}
.dept:hover { border-color: #cfcfcf; transform: translateY(-1px); }
.dept .icon {
  width: 34px; height: 34px; border-radius: 10px; background: #111; color: #fff;
  display: grid; place-items: center; margin-bottom: 12px; font-size: 12px; font-weight: 700;
}
.dept h3 { font-size: 16px; letter-spacing: -0.02em; margin-bottom: 6px; }
.dept .botline { font-size: 13px; color: var(--ink); margin-bottom: 6px; }
.dept .dashline { font-size: 13px; color: var(--muted); }
.proof {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  padding: 22px; box-shadow: var(--shadow); max-width: 720px;
}
.proof .tag {
  display: inline-block; font-size: 11px; font-weight: 600; color: var(--muted);
  margin-bottom: 10px; text-transform: uppercase; letter-spacing: .05em;
}
.proof h3 { font-size: 20px; letter-spacing: -0.03em; margin-bottom: 10px; }
.proof p { color: var(--muted); font-size: 15px; margin-bottom: 14px; }
.proof ul { list-style: none; display: grid; gap: 8px; }
.proof li {
  font-size: 14px; padding-left: 18px; position: relative; color: var(--ink);
}
.proof li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 8px; height: 8px; border-radius: 50%; background: #111;
}
.who { display: grid; grid-template-columns: 1fr; gap: 14px; }
.who-card, .cta-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  padding: 24px; box-shadow: var(--shadow);
}
.who-card p { color: var(--muted); margin-bottom: 12px; }
.who-card p:last-child { margin-bottom: 0; }
.cta-card {
  background: #111; color: #fff; border-color: #111;
  display: flex; flex-direction: column; justify-content: space-between; gap: 18px;
}
.cta-card h3 { font-size: 22px; letter-spacing: -0.03em; }
.cta-card p { color: rgba(255,255,255,.72); font-size: 15px; }
.cta-card .btn-primary { background: #fff; color: #111; align-self: flex-start; }
.cta-card .btn-primary:hover { background: #f2f2f2; }
.footer {
  padding: 24px 0 36px; color: var(--muted); font-size: 13px;
  border-top: 1px solid var(--line);
}
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
@media (min-width: 720px) {
  .wrap { width: min(100% - 40px, var(--max)); }
  .nav-links { display: flex; }
  .hero { padding: 64px 0 48px; }
  .panel-body { grid-template-columns: 1.1fr .9fr; }
  .chat { border-bottom: 0; border-right: 1px solid var(--line); }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .depts { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .who { grid-template-columns: 1.2fr .8fr; gap: 16px; }
  .section { padding: 68px 0; }
}
@media (min-width: 960px) {
  .depts { grid-template-columns: repeat(3, 1fr); }
}