:root {
  --green-900: #12332a;
  --green-700: #1f6f54;
  --green-600: #2a8a68;
  --cream: #faf6ef;
  --cream-2: #f2ebdd;
  --ink: #212a24;
  --muted: #66716a;
  --accent: #d98b3f;
  --accent-soft: #f6e6d2;
  --card: #ffffff;
  --border: #e7e0d2;
  --shadow: 0 1px 2px rgba(18, 51, 42, .04), 0 12px 32px rgba(18, 51, 42, .07);
  --radius: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

a { color: inherit; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* --- Top bar --- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(250, 246, 239, .82);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 600; text-decoration: none; }
.brand .logo {
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(140deg, var(--green-700), var(--green-600));
  color: #fff; display: grid; place-items: center; font-size: 20px;
  box-shadow: var(--shadow);
}
.brand .name { font-family: "Fraunces", serif; font-size: 20px; }
.brand .name small { display: block; font-family: "Inter", sans-serif; font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 999px; border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: 15px; cursor: pointer; text-decoration: none;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn-primary { background: var(--green-700); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-1px); background: var(--green-600); }
.btn-ghost { background: transparent; color: var(--green-700); border-color: var(--border); }
.btn-ghost:hover { background: #fff; }

.topnav { display: flex; gap: 6px; }
.topnav a {
  text-decoration: none; color: var(--muted); font-weight: 600; font-size: 15px;
  padding: 9px 16px; border-radius: 999px; transition: background .12s ease, color .12s ease;
}
.topnav a:hover { background: #fff; color: var(--green-700); }

/* --- Hero --- */
.hero { padding: 84px 0 56px; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-soft); color: #a2602a;
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  margin-bottom: 22px;
}
.hero h1 { font-size: clamp(38px, 6vw, 60px); max-width: 15ch; }
.hero .lead { font-size: clamp(17px, 2.2vw, 21px); color: var(--muted); max-width: 60ch; margin-top: 20px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

/* --- Section scaffolding --- */
section { padding: 40px 0; }
.section-head { max-width: 60ch; margin-bottom: 34px; }
.section-head .kicker { color: var(--green-600); font-weight: 700; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; }
.section-head h2 { font-size: clamp(28px, 4vw, 38px); margin-top: 10px; }
.section-head p { color: var(--muted); font-size: 18px; margin-top: 14px; }

/* --- "What is this" band --- */
.band { background: var(--green-900); color: #eaf3ee; border-radius: 28px; padding: 48px; margin: 8px 0; }
.band h2 { color: #fff; font-size: clamp(26px, 4vw, 34px); max-width: 20ch; }
.band p { color: #b7ccc0; font-size: 18px; max-width: 62ch; margin-top: 16px; }
.band .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; }
.band .step { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09); border-radius: 16px; padding: 22px; }
.band .step .n { width: 30px; height: 30px; border-radius: 9px; background: var(--accent); color: #3a2410; font-weight: 800; display: grid; place-items: center; margin-bottom: 12px; }
.band .step h3 { color: #fff; font-size: 18px; font-family: "Inter", sans-serif; font-weight: 700; }
.band .step p { color: #a9c1b4; font-size: 15px; margin-top: 6px; }

/* --- Entity cards --- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
  transition: transform .14s ease, box-shadow .14s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(18,51,42,.10); }
.card .top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card .icon { width: 46px; height: 46px; border-radius: 13px; background: var(--cream-2); display: grid; place-items: center; font-size: 24px; }
.card .count { font-family: "Fraunces", serif; font-size: 22px; font-weight: 600; color: var(--green-700); }
.card h3 { font-size: 19px; }
.card .desc { color: var(--muted); font-size: 15px; margin-top: 8px; }
.card .ask { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--border); font-size: 14px; color: var(--ink); }
.card .ask b { color: var(--green-700); font-weight: 600; }

/* --- Example questions --- */
.pills { display: flex; flex-wrap: wrap; gap: 12px; }
.pill {
  background: #fff; border: 1px solid var(--border); border-radius: 999px;
  padding: 12px 18px; font-size: 15px; color: var(--ink); box-shadow: var(--shadow);
  display: inline-flex; align-items: center; gap: 9px;
}
.pill .q { font-size: 17px; }

.callout {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  background: var(--accent-soft); border: 1px solid #ecd7bd; border-radius: 22px;
  padding: 26px 30px; margin-top: 12px;
}
.callout .txt { flex: 1 1 320px; }
.callout h3 { font-size: 22px; }
.callout p { color: #8a5f30; margin-top: 6px; }

/* --- Footer --- */
footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 30px 0 60px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer a { color: var(--green-700); font-weight: 600; text-decoration: none; }

/* --- SVG icons --- */
svg.ico { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; display: block; }
.brand .logo svg.ico { width: 22px; height: 22px; stroke: #fff; }
.card .icon { color: var(--green-700); }

/* --- Hero: two columns + answer mockup --- */
.hero .wrap { display: grid; grid-template-columns: 1.02fr .98fr; gap: 52px; align-items: center; }
.hero-copy { min-width: 0; }

.mock { background: #fff; border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow); overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--cream); }
.mock-bar .dots { display: flex; gap: 6px; }
.mock-bar .dots i { width: 10px; height: 10px; border-radius: 50%; background: #e4dccb; }
.mock-bar .mtitle { font-weight: 600; font-size: 14px; color: var(--muted); }
.mock-body { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.bubble { padding: 12px 15px; border-radius: 16px; font-size: 15px; line-height: 1.5; }
.bubble.user { align-self: flex-end; max-width: 85%; background: var(--green-700); color: #fff; border-bottom-right-radius: 5px; }
.bubble.bot { align-self: stretch; background: var(--cream); border: 1px solid var(--border); border-bottom-left-radius: 5px; }
.bubble.bot p { margin: 12px 0 0; font-size: 13.5px; color: var(--ink); }

.mini-chart { display: flex; align-items: flex-end; gap: 9px; height: 132px; padding-top: 6px; }
.mini-chart .col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 8px; height: 100%; }
.mini-chart .bar { width: 72%; max-width: 34px; border-radius: 6px 6px 3px 3px; background: linear-gradient(180deg, var(--green-600), var(--green-700)); }
.mini-chart .col small { font-size: 11px; color: var(--muted); white-space: nowrap; }

/* --- Step icons --- */
.band .step .step-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.band .step .n { margin-bottom: 0; }
.band .step .stepicon { color: var(--accent); }
.band .step .stepicon svg.ico { width: 26px; height: 26px; }

/* --- Outputs strip --- */
.outputs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.output { display: flex; gap: 15px; align-items: flex-start; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 22px; box-shadow: var(--shadow); }
.output .oico { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: #a2602a; display: grid; place-items: center; }
.output h3 { font-family: "Inter", sans-serif; font-size: 17px; font-weight: 700; }
.output p { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* --- Clickable example pills --- */
a.pill { text-decoration: none; cursor: pointer; transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease; }
a.pill svg.ico { width: 17px; height: 17px; color: var(--green-600); flex: 0 0 auto; }
a.pill:hover { transform: translateY(-2px); border-color: #d7cdb8; box-shadow: 0 8px 18px rgba(18, 51, 42, .10); }
a.pill:hover svg.ico { color: var(--green-700); }

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 36px; }
  .hero h1 { max-width: none; }
}
@media (max-width: 860px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .band .steps { grid-template-columns: 1fr; }
  .band { padding: 32px; }
  .outputs { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 40px; }
}