*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --page-bg: #f6f4ef;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --ink: #1f2933;
  --muted: #5f6b7a;
  --border: #d9d3c7;
  --accent: #215a57;
  --accent-dark: #173f3d;
  --accent-soft: #dcebe7;
  --focus: #9f4d1e;
  --shadow: 0 1.25rem 3rem rgba(31, 41, 51, 0.12);
}

body {
  min-width: 20rem;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(33, 90, 87, 0.12), transparent 24rem),
    var(--page-bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

code {
  padding: 0.1em 0.28em;
  color: #123735;
  background: rgba(33, 90, 87, 0.12);
  border-radius: 0.25rem;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.94em;
}

.hero,
.demo-layout,
.demo-footer {
  width: min(72rem, calc(100% - 2rem));
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 23rem);
  gap: clamp(1.25rem, 4vw, 3rem);
  align-items: end;
  padding-block: clamp(3rem, 9vw, 6.5rem) clamp(2rem, 6vw, 4rem);
}

.hero__content {
  display: grid;
  gap: 1.25rem;
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 13ch;
  font-size: clamp(2.5rem, 8vw, 5.75rem);
}

h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
}

p {
  margin-block: 0;
}

.hero__lede {
  max-width: 42rem;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.72rem 1rem;
  border: 1px solid transparent;
  border-radius: 0.5rem;
  font: inherit;
  font-weight: 750;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.button--primary {
  color: #ffffff;
  background: var(--accent);
  box-shadow: 0 0.75rem 1.5rem rgba(33, 90, 87, 0.22);
}

.button--primary:hover {
  background: var(--accent-dark);
}

.button--secondary {
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-color: rgba(33, 90, 87, 0.2);
}

.button--secondary:hover {
  background: #c8e0da;
}

.hero__summary,
.panel,
.demo-footer {
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
}

.hero__summary {
  padding: 1.25rem;
}

.package-facts {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.package-facts div {
  display: grid;
  gap: 0.2rem;
  padding-block-end: 1rem;
  border-bottom: 1px solid var(--border);
}

.package-facts div:last-child {
  padding-block-end: 0;
  border-bottom: 0;
}

.package-facts dt {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 750;
  text-transform: uppercase;
}

.package-facts dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 750;
}

.demo-layout {
  padding-block-end: clamp(2rem, 7vw, 5rem);
}

.demo-layout,
.panel,
.panel__header {
  display: grid;
  gap: 1rem;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 24rem);
  gap: 1rem;
  align-items: start;
}

.panel {
  padding: clamp(1rem, 3vw, 1.5rem);
}

.panel--status {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.panel--log {
  position: sticky;
  top: 1rem;
}

.panel__header {
  gap: 0.75rem;
}

.status-pill {
  width: max-content;
  max-width: 100%;
  padding: 0.45rem 0.7rem;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border: 1px solid rgba(33, 90, 87, 0.18);
  border-radius: 999px;
  font-weight: 750;
}

.note {
  color: var(--muted);
  font-size: 0.92rem;
}

form {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.4rem;
}

label,
legend {
  font-weight: 750;
}

input[type="text"] {
  width: 100%;
  min-height: 2.9rem;
  padding: 0.65rem 0.75rem;
  color: var(--ink);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font: inherit;
}

fieldset {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  padding: 0.85rem;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

fieldset label {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  color: var(--muted);
  font-weight: 650;
}

legend {
  padding-inline: 0.25rem;
}

.scenario-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.scenario-list button {
  display: grid;
  gap: 0.25rem;
  width: 100%;
  min-height: 4rem;
  padding: 0.8rem;
  color: var(--ink);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font: inherit;
  font-weight: 750;
  text-align: left;
  cursor: pointer;
}

.scenario-list button:hover {
  border-color: rgba(33, 90, 87, 0.5);
  background: #f8fbf9;
}

.scenario-list span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

[data-event-log] {
  min-height: 16rem;
  max-height: 24rem;
  padding: 0;
  margin: 0;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  list-style: none;
  background: #172321;
  color: #e8f3ee;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.88rem;
}

[data-event-log]:empty::before {
  display: block;
  padding: 1rem;
  color: #b7cbc4;
  content: "Events will appear here after you announce a message.";
}

[data-event-log] li {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

[data-event-log] li:last-child {
  border-bottom: none;
}

.demo-footer {
  --demo-footer-background: #172321;
  --demo-footer-color: #f9fafb;
  --demo-footer-muted-color: #cfdad5;
  --demo-footer-link-color: #ffffff;
  --demo-footer-border-color: rgba(255, 255, 255, 0.16);
  --demo-footer-focus-color: #facc15;
  --demo-footer-radius: 0.75rem;
  --demo-footer-space: clamp(1rem, 2vw, 1.5rem);

  --_background: var(--demo-footer-background);
  --_color: var(--demo-footer-color);
  --_muted-color: var(--demo-footer-muted-color);
  --_link-color: var(--demo-footer-link-color);
  --_border-color: var(--demo-footer-border-color);
  --_focus-color: var(--demo-footer-focus-color);
  --_radius: var(--demo-footer-radius);
  --_space: var(--demo-footer-space);

  margin-block: 0 clamp(1rem, 3vw, 2rem);
  padding: var(--_space);
  color: var(--_color);
  background: var(--_background);
  border-color: var(--_border-color);
}

.demo-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
}

.demo-footer__brand {
  display: grid;
  gap: 0.35rem;
}

.demo-footer__eyebrow,
.demo-footer__credit,
.demo-footer__meta {
  margin: 0;
}

.demo-footer__eyebrow,
.demo-footer__meta {
  color: var(--_muted-color);
  font-size: 0.875rem;
  line-height: 1.5;
}

.demo-footer__credit {
  font-size: 1rem;
  line-height: 1.5;
}

.demo-footer__plugin {
  font-weight: 700;
}

.demo-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.demo-footer__link {
  color: var(--_link-color);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.demo-footer__link:hover {
  text-decoration-thickness: 0.15em;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 0.2rem;
}

.demo-footer__link:focus-visible {
  outline-color: var(--_focus-color);
  border-radius: 0.25rem;
}

.demo-footer__separator {
  margin-inline: 0.35rem;
}

@media (max-width: 60rem) {
  .hero,
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .panel--log {
    position: static;
  }
}

@media (max-width: 42rem) {
  .hero,
  .demo-layout,
  .demo-footer {
    width: min(100% - 1rem, 72rem);
  }

  .hero {
    padding-block-start: 2rem;
  }

  h1 {
    font-size: 2.4rem;
  }

  .hero__actions,
  .scenario-list,
  .panel--status,
  .demo-footer__inner {
    grid-template-columns: 1fr;
  }

  .hero__actions,
  .demo-footer__inner {
    align-items: stretch;
    flex-direction: column;
  }

  .button,
  .status-pill {
    width: 100%;
  }

  fieldset {
    display: grid;
  }

  .demo-footer__links {
    flex-direction: column;
  }
}