:root {
  --ink: #12181b;
  --ink-soft: #3a4448;
  --muted: #6b7678;
  --paper: #fbf9f6;
  --paper-2: #f2ede6;
  --surface: #ffffff;
  --border: #e4ddd2;
  --teal: #0ea5a3;
  --teal-dark: #0b7f7d;
  --teal-ink: #063f3e;
  --amber: #c2793a;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(18, 24, 27, 0.04), 0 8px 24px -12px rgba(18, 24, 27, 0.14);
  --maxw: 1120px;
  font-size: 17px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Iowan Old Style", "Georgia", "Noto Serif", serif;
  line-height: 1.55;
  text-wrap: pretty;
}

h1, h2, h3, .wordmark { font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }

a { color: inherit; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
header.site {
  position: sticky; top: 0; z-index: 40;
  background: rgba(251, 249, 246, 0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
}
.wordmark {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.08rem; letter-spacing: -0.01em;
  text-decoration: none; color: var(--ink);
}
.wordmark .mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--teal-ink);
  display: grid; place-items: center;
  color: #e8fbf9; font-size: 0.95rem; font-weight: 700;
}
nav.links { display: flex; align-items: center; gap: 28px; font-size: 0.95rem; }
nav.links a {
  text-decoration: none; color: var(--ink-soft); font-family: ui-sans-serif, sans-serif;
  padding: 6px 2px; border-bottom: 2px solid transparent;
}
nav.links a:hover, nav.links a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--teal); }
.nav-cta {
  font-family: ui-sans-serif, sans-serif; font-weight: 600; font-size: 0.92rem;
  background: var(--teal-ink); color: #eafbf9; padding: 10px 18px; border-radius: 999px;
  text-decoration: none; white-space: nowrap;
}
.nav-cta:hover { background: #052e2d; }

.menu-btn {
  display: none; background: none; border: 1px solid var(--border); border-radius: 8px;
  width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer;
}
.menu-btn span, .menu-btn span::before, .menu-btn span::after {
  content: ""; display: block; width: 18px; height: 2px; background: var(--ink); position: relative;
}
.menu-btn span::before { position: absolute; top: -6px; width: 18px; height: 2px; background: var(--ink); }
.menu-btn span::after { position: absolute; top: 6px; width: 18px; height: 2px; background: var(--ink); }

/* ---------- hero ---------- */
.hero {
  padding: 72px 0 56px;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}
.eyebrow {
  font-family: ui-sans-serif, sans-serif; font-weight: 600; font-size: 0.78rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal-dark);
  margin: 0 0 14px;
}
.hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.1rem); line-height: 1.12; letter-spacing: -0.015em;
  margin: 0 0 20px; font-weight: 600;
}
.hero p.lead {
  font-family: ui-sans-serif, sans-serif; color: var(--ink-soft); font-size: 1.1rem;
  max-width: 46ch; margin: 0 0 30px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  font-family: ui-sans-serif, sans-serif; font-weight: 600; font-size: 0.95rem;
  padding: 13px 22px; border-radius: 10px; text-decoration: none; display: inline-flex;
  align-items: center; gap: 8px; min-height: 44px;
}
.btn-primary { background: var(--teal-ink); color: #eafbf9; }
.btn-primary:hover { background: #052e2d; }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--ink-soft); }

.hero-note { margin-top: 18px; font-family: ui-sans-serif, sans-serif; font-size: 0.85rem; color: var(--muted); }

/* ---------- chat mockup ---------- */
.chat-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.chat-card .bar {
  display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--border);
  font-family: ui-sans-serif, sans-serif;
}
.chat-card .bar .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--teal); }
.chat-card .bar strong { font-size: 0.92rem; }
.chat-card .bar span { color: var(--muted); font-size: 0.8rem; }
.chat-body { padding: 18px 16px 20px; display: flex; flex-direction: column; gap: 10px; font-family: ui-sans-serif, sans-serif; font-size: 0.92rem; }
.bubble { max-width: 82%; padding: 10px 13px; border-radius: 14px; line-height: 1.4; }
.bubble.in { background: var(--paper-2); color: var(--ink); border-bottom-left-radius: 4px; align-self: flex-start; }
.bubble.out { background: var(--teal-ink); color: #eafbf9; border-bottom-right-radius: 4px; align-self: flex-end; }
.chat-foot { border-top: 1px solid var(--border); padding: 12px 16px; display: flex; gap: 10px; font-family: ui-sans-serif, sans-serif; }
.chat-foot input {
  flex: 1; border: 1px solid var(--border); border-radius: 999px; padding: 10px 14px; font-size: 0.88rem;
  background: var(--paper); color: var(--muted); font-family: inherit;
}
.chat-foot button {
  width: 40px; height: 40px; border-radius: 50%; background: var(--teal-ink); color: #eafbf9;
  border: none; font-size: 1rem; cursor: default;
}

/* ---------- section scaffolding ---------- */
section { padding: 64px 0; }
.section-head { max-width: 62ch; margin-bottom: 40px; }
.section-head .eyebrow { margin-bottom: 10px; }
.section-head h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); margin: 0 0 12px; letter-spacing: -0.01em; }
.section-head p { font-family: ui-sans-serif, sans-serif; color: var(--ink-soft); font-size: 1.02rem; margin: 0; }

/* ---------- process (how it works) ---------- */
.process { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--paper-2); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.step { padding: 0 22px 0 0; position: relative; }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 18px; right: 0; width: 1px; height: calc(100% - 36px);
  background: var(--border);
}
.step .num {
  font-family: ui-sans-serif, sans-serif; font-weight: 700; font-size: 0.82rem; color: var(--teal-dark);
  margin-bottom: 10px;
}
.step h3 { font-size: 1.04rem; margin: 0 0 8px; font-weight: 600; }
.step p { font-family: ui-sans-serif, sans-serif; color: var(--ink-soft); font-size: 0.92rem; margin: 0; }

/* ---------- panel showcase (asymmetric, not a 3-card grid) ---------- */
.panel-showcase { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.panel-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.panel-list li {
  padding: 18px 0; border-bottom: 1px solid var(--border); display: flex; gap: 14px; align-items: baseline;
}
.panel-list li:first-child { padding-top: 0; }
.panel-list .idx { font-family: ui-sans-serif, sans-serif; font-size: 0.8rem; color: var(--muted); width: 22px; flex-shrink: 0; }
.panel-list h3 { font-size: 1.02rem; margin: 0 0 4px; font-weight: 600; }
.panel-list p { font-family: ui-sans-serif, sans-serif; color: var(--ink-soft); font-size: 0.92rem; margin: 0; }

.mockup {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px; font-family: ui-sans-serif, sans-serif;
}
.mockup .mockup-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.mockup .mockup-head strong { font-size: 0.98rem; }
.mockup .mockup-head span { font-size: 0.78rem; color: var(--muted); }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.stat {
  background: var(--paper-2); border-radius: var(--radius-sm); padding: 12px 14px;
}
.stat .label { font-size: 0.74rem; color: var(--muted); margin-bottom: 4px; }
.stat .value { font-size: 1.2rem; font-weight: 700; }
.mock-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-top: 1px solid var(--border); font-size: 0.88rem; }
.mock-row:first-of-type { border-top: none; }
.tag { font-size: 0.72rem; padding: 3px 9px; border-radius: 999px; background: var(--paper-2); color: var(--ink-soft); }
.tag.ok { background: #e4f5ef; color: var(--teal-dark); }

/* ---------- verticals ---------- */
.verticals { display: flex; gap: 14px; flex-wrap: wrap; }
.vertical-chip {
  font-family: ui-sans-serif, sans-serif; font-size: 0.92rem; font-weight: 500;
  padding: 11px 18px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border);
}

/* ---------- integration note ---------- */
.integration-note {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 26px; background: var(--surface);
  display: flex; gap: 18px; align-items: flex-start;
}
.integration-note .glyph {
  width: 38px; height: 38px; border-radius: 10px; background: var(--paper-2); flex-shrink: 0;
  display: grid; place-items: center; font-family: ui-sans-serif, sans-serif; font-weight: 700; color: var(--teal-dark);
}
.integration-note h3 { margin: 0 0 6px; font-size: 1rem; font-family: ui-sans-serif, sans-serif; }
.integration-note p { margin: 0; font-family: ui-sans-serif, sans-serif; color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- cta band ---------- */
.cta-band {
  background: var(--teal-ink); color: #eafbf9; border-radius: var(--radius);
  padding: 48px 44px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
.cta-band h2 { margin: 0 0 8px; font-size: 1.5rem; }
.cta-band p { margin: 0; font-family: ui-sans-serif, sans-serif; color: #bfe9e6; max-width: 48ch; }
.cta-band .btn-primary { background: #eafbf9; color: var(--teal-ink); }
.cta-band .btn-primary:hover { background: #ffffff; }

/* ---------- footer ---------- */
footer.site {
  border-top: 1px solid var(--border); padding: 40px 0 60px; font-family: ui-sans-serif, sans-serif;
}
.footer-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; font-size: 0.9rem; }
.footer-links a { text-decoration: none; color: var(--ink-soft); }
.footer-links a:hover { color: var(--ink); }
.footer-note { color: var(--muted); font-size: 0.82rem; max-width: 52ch; margin-top: 18px; }

/* ---------- legal pages ---------- */
.legal {
  max-width: 76ch; margin: 0 auto; padding: 56px 24px 80px;
}
.legal .eyebrow { margin-bottom: 10px; }
.legal h1 { font-size: 2rem; margin: 0 0 6px; }
.legal .updated { font-family: ui-sans-serif, sans-serif; color: var(--muted); font-size: 0.88rem; margin-bottom: 36px; }
.legal h2 { font-size: 1.2rem; margin: 40px 0 12px; font-weight: 600; }
.legal h3 { font-size: 1.02rem; margin: 24px 0 8px; font-weight: 600; font-family: ui-sans-serif, sans-serif; }
.legal p, .legal li { color: var(--ink-soft); font-size: 1rem; }
.legal ul { padding-left: 22px; }
.legal table { width: 100%; border-collapse: collapse; margin: 16px 0; font-family: ui-sans-serif, sans-serif; font-size: 0.92rem; }
.legal th, .legal td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.legal th { font-weight: 600; color: var(--ink); background: var(--paper-2); }
.callout {
  border: 1px solid var(--border); border-left: 3px solid var(--amber); border-radius: var(--radius-sm);
  padding: 16px 18px; background: var(--surface); font-family: ui-sans-serif, sans-serif; font-size: 0.9rem;
  color: var(--ink-soft); margin: 20px 0;
}
.callout strong { color: var(--ink); }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 44px; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 28px; }
  .step:nth-child(2)::after { display: none; }
  .step:not(:last-child)::after { display: none; }
  .panel-showcase { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 28px; }
  nav.links { display: none; }
  .menu-btn { display: flex; }
  .nav { flex-wrap: wrap; }
}
@media (max-width: 880px) {
  body.nav-open nav.links {
    display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
    width: 100%; order: 3; padding-top: 14px; border-top: 1px solid var(--border); margin-top: 14px;
  }
  body.nav-open nav.links a { padding: 10px 2px; width: 100%; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  :root { font-size: 16px; }
  .hero { padding-top: 32px; }
}

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