:root {
  --paper: #f4efe3;
  --panel: #fffaf0;
  --ink: #241d16;
  --muted: #6d6357;
  --line: rgba(68, 55, 35, 0.18);
  --forest: #405c3a;
  --teal: #2e6f73;
  --gold: #ba8435;
  --shadow: rgba(44, 34, 22, 0.16);
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(244, 239, 227, 0.78), rgba(244, 239, 227, 0.98)),
    radial-gradient(circle at 10% 12%, rgba(46, 111, 115, 0.18), transparent 24rem),
    radial-gradient(circle at 88% 8%, rgba(186, 132, 53, 0.18), transparent 22rem),
    #e7dbc8;
}

a {
  color: inherit;
}

.demo-shell {
  min-height: 100vh;
}

.demo-hero {
  padding: 22px clamp(18px, 4vw, 64px) 34px;
}

.demo-nav {
  width: min(1180px, 100%);
  min-height: 54px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 0 auto 34px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.86);
  padding: 8px;
  box-shadow: 0 18px 42px var(--shadow);
}

.demo-nav a,
.download-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 14px;
  font-weight: 850;
  text-decoration: none;
}

.demo-nav a {
  border: 1px solid var(--line);
}

.demo-hero-grid {
  width: min(1180px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.72fr);
  gap: clamp(22px, 5vw, 58px);
  align-items: stretch;
  margin: 0 auto;
}

.eyebrow,
.demo-cards span {
  color: var(--forest);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
p {
  letter-spacing: 0;
}

h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3.1rem, 8vw, 7rem);
  line-height: 0.88;
}

.demo-hero p,
.agent-panel p,
.demo-cards p,
.summary-heading p,
.summary-grid p {
  color: var(--muted);
  line-height: 1.55;
}

.demo-hero p {
  max-width: 760px;
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.download-link {
  margin-top: 18px;
  background: var(--teal);
  color: white;
}

.agent-panel {
  display: grid;
  align-content: end;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(46, 111, 115, 0.13), rgba(186, 132, 53, 0.14)),
    var(--panel);
  padding: 24px;
  box-shadow: 0 24px 64px var(--shadow);
  overflow: hidden;
}

.agent-panel img {
  width: min(78%, 300px);
  margin: 0 auto 10px;
  object-fit: contain;
  filter: drop-shadow(0 18px 26px rgba(36, 29, 22, 0.22));
}

.agent-panel h2 {
  margin: 0;
  font-size: 2rem;
}

.demo-cards,
.html-summary {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto 24px;
}

.demo-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.demo-cards article,
.html-summary {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.9);
  box-shadow: 0 18px 42px var(--shadow);
}

.demo-cards article {
  padding: 20px;
}

.demo-cards h2 {
  margin: 10px 0 0;
  font-size: 1.24rem;
  line-height: 1.12;
}

.html-summary {
  padding: clamp(18px, 3vw, 30px);
}

.summary-heading {
  max-width: 780px;
  margin-bottom: 18px;
}

.summary-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.98;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.summary-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.44);
  padding: 18px;
}

.summary-grid h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.summary-grid p {
  margin: 0;
}

@media (max-width: 920px) {
  .demo-hero-grid,
  .demo-cards,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .demo-nav {
    flex-wrap: wrap;
  }
}

@media (max-width: 560px) {
  .demo-hero {
    padding-inline: 14px;
  }

  h1 {
    font-size: 3rem;
  }

  .download-link {
    width: 100%;
  }
}