@font-face {
  font-family: Montserrat;
  src: url("/assets/fonts/montserrat-latin-700-normal.woff2");
  font-weight: 700;
  font-display: swap;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  font:
    18px/1.6 Arial,
    sans-serif;
  color: var(--demo-ink);
  background: var(--demo-surface);
}
a {
  color: inherit;
}
button,
a {
  touch-action: manipulation;
}
button {
  font: inherit;
}
h1,
h2,
h3 {
  font-family: Montserrat, Arial, sans-serif;
  line-height: 1.08;
  letter-spacing: -0.045em;
  margin: 0;
}
h1 {
  font-size: clamp(44px, 7vw, 88px);
  max-width: 1100px;
}
h2 {
  font-size: clamp(34px, 4.6vw, 60px);
}
h3 {
  font-size: 25px;
  letter-spacing: -0.035em;
}
p {
  margin: 0 0 18px;
}
.demo-header {
  max-width: 1360px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 48px;
}
.demo-header img {
  display: block;
  width: 245px;
  height: auto;
}
.demo-header nav {
  display: flex;
  gap: 32px;
  align-items: center;
}
.demo-header nav > a:first-child {
  text-decoration: none;
}
.demo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 24px;
  border-radius: 8px;
  background: var(--demo-accent);
  color: var(--demo-onAccent);
  font-weight: 700;
  text-decoration: none;
  line-height: 1.35;
}
.demo-hero {
  padding: 50px 48px 56px;
  max-width: 1360px;
  margin: auto;
}
.demo-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.13em;
  color: var(--demo-secondary);
  margin-bottom: 20px;
}
.demo-lead {
  max-width: 860px;
  font-size: 23px;
  margin-top: 28px;
  line-height: 1.55;
  color: var(--demo-muted);
}
.demo-player {
  margin-top: 36px;
  border-radius: 22px;
  overflow: hidden;
  background: var(--demo-tint);
  box-shadow: 0 20px 55px
    color-mix(in srgb, var(--demo-secondary) 10%, transparent);
}
.demo-player video {
  display: block;
  width: 100%;
  aspect-ratio: 16/9;
}
.demo-chapters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.demo-chapters button {
  border: 1px solid var(--demo-line);
  text-align: left;
  border-radius: 9px;
  background: var(--demo-surface);
  color: var(--demo-secondary);
  padding: 18px 16px;
  font-size: 15px;
  line-height: 1.4;
  cursor: pointer;
}
.demo-chapters span {
  display: block;
  color: var(--demo-secondary);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 7px;
}
.demo-chapters button:hover,
.demo-chapters button:focus-visible {
  background: var(--demo-tint);
  border-color: var(--demo-secondary);
}
.demo-features {
  padding: 64px 48px;
  background: var(--demo-dark);
  color: var(--demo-onDark);
}
.demo-section-heading,
.demo-feature-grid {
  max-width: 1264px;
  margin: auto;
}
.demo-section-heading > p:last-child {
  max-width: 650px;
  font-size: 21px;
  color: var(--demo-softText);
  margin-top: 26px;
}
.demo-features .demo-eyebrow {
  color: var(--demo-onDarkAccent);
}
.demo-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 48px;
  margin-top: 32px;
}
.demo-feature-grid article {
  padding: 30px 0;
  border-top: 1px solid var(--demo-darkLine);
  position: relative;
}
.demo-feature-grid p {
  color: var(--demo-softText);
  font-size: 18px;
  max-width: 550px;
  margin: 18px 0 0;
}
.demo-number {
  color: var(--demo-onDarkAccent);
  display: block;
  margin-bottom: 14px;
  font-weight: 700;
  font-size: 13px;
}
.demo-managed {
  max-width: 1360px;
  margin: auto;
  padding: 64px 48px;
}
.demo-managed ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  padding: 0;
  gap: 32px;
  margin: 36px 0 0;
  counter-reset: stage;
}
.demo-managed li {
  border-top: 3px solid var(--demo-accent);
  padding-top: 22px;
}
.demo-managed strong {
  font-size: 22px;
}
.demo-managed li p {
  margin-top: 14px;
  color: var(--demo-muted);
}
.demo-cta {
  color: var(--demo-onAccent);
  background: var(--demo-accent);
  padding: 52px 48px;
  display: flex;
  gap: 32px;
  justify-content: space-between;
  align-items: center;
}
.demo-cta .demo-button {
  background: var(--demo-ink);
  color: var(--demo-onDark);
  max-width: 340px;
}
.demo-footer {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  font-size: 14px;
}
.demo-footer button {
  background: none;
  border: 0;
  text-decoration: underline;
  font-size: 14px;
  cursor: pointer;
}
:focus-visible {
  outline: 3px solid var(--demo-secondary);
  outline-offset: 4px;
}
#playback-status {
  font-size: 14px;
  margin-top: 12px;
  min-height: 20px;
}
@media (max-width: 760px) {
  .demo-header {
    padding: 20px;
    gap: 20px;
  }
  .demo-header img {
    width: 175px;
  }
  .demo-header nav > a:first-child {
    display: none;
  }
  .demo-header .demo-button {
    padding: 12px;
    font-size: 13px;
  }
  .demo-hero {
    padding: 28px 20px 36px;
  }
  .demo-lead {
    font-size: 19px;
  }
  .demo-chapters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .demo-chapters button {
    padding: 14px;
    font-size: 14px;
  }
  .demo-features,
  .demo-managed {
    padding: 40px 20px;
  }
  .demo-feature-grid {
    grid-template-columns: 1fr;
  }
  .demo-managed ol {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .demo-cta {
    padding: 36px 20px;
    display: block;
  }
  .demo-cta .demo-button {
    margin-top: 26px;
  }
  .demo-footer {
    padding: 24px 20px;
    flex-wrap: wrap;
  }
  .demo-player {
    border-radius: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation: none !important;
    transition: none !important;
  }
}
@media print {
  body {
    font-size: 11px;
    color: #000;
  }
  .demo-header {
    padding: 0 0 18px;
  }
  .demo-header img {
    width: 190px;
  }
  .demo-header nav,
  .demo-player,
  .demo-chapters,
  .demo-cta,
  .demo-footer,
  #playback-status {
    display: none;
  }
  .demo-hero,
  .demo-managed,
  .demo-features {
    padding: 18px 0;
    background: var(--demo-surface);
    color: black;
  }
  .demo-hero h1 {
    font-size: 32px;
  }
  .demo-lead {
    font-size: 15px;
  }
  .demo-section-heading h2,
  .demo-managed h2 {
    font-size: 25px;
  }
  .demo-feature-grid {
    gap: 0 24px;
  }
  .demo-feature-grid article {
    break-inside: avoid;
    padding: 16px 0;
    border-color: #777;
  }
  .demo-feature-grid p,
  .demo-section-heading > p:last-child {
    color: #222;
    font-size: 12px;
  }
  h3 {
    font-size: 17px;
  }
  .demo-managed strong {
    font-size: 15px;
  }
  .demo-managed li p {
    font-size: 12px;
  }
  .demo-eyebrow {
    font-size: 10px;
  }
}
.demo-player {
  position: relative;
}
@media print {
  .demo-footer {
    display: flex;
    padding: 16px 0;
    border-top: 1px solid #777;
  }
  .demo-footer button {
    display: none;
  }
}

.demo-hero {
  padding-top: 24px;
}
.demo-hero > .demo-player:first-child {
  margin-top: 0;
}
.demo-intro {
  margin-top: 32px;
}

@media print {
  .demo-number,
  .demo-features .demo-eyebrow {
    color: #222;
  }
}

.demo-header > a {
  text-decoration: none;
}

.demo-player {
  position: relative;
}
.demo-sound {
  position: absolute;
  right: 16px;
  top: 16px;
  border: 2px solid white;
  border-radius: 30px;
  background: var(--demo-dark);
  color: var(--demo-onDark);
  padding: 10px 16px;
  font:
    700 14px Arial,
    sans-serif;
  cursor: pointer;
  box-shadow: 0 2px 12px #0004;
}
.demo-sound[hidden] {
  display: none;
}
.demo-sound:focus-visible {
  outline: 3px solid var(--demo-accent);
  outline-offset: 3px;
}
@media print {
  .demo-sound {
    display: none;
  }
}