:root {
  color-scheme: light;
  --page-background: #f5f3ef;
  --page-glow: #ffe7d0;
  --panel-background: #fffefa;
  --panel-raised: #f4f1ec;
  --border-color: #d8d9dd;
  --text-color: #202631;
  --muted-color: #5e6875;
  --subtle-color: #75808e;
  --accent-color: #ca5e11;
  --accent-light: #af4c09;
  --accent-tint: #fff0df;
  --accent-border: #edbd95;
  --button-text: #fff;
  --key-background: #f0f0ee;
  --key-border: #c6cbd0;
  --key-color: #3f4a57;
  --category-background: #edf0f3;
  --category-border: #d4dae1;
  --category-color: #516174;
  --shadow-color: #29231d20;
  --page-width: 1100px;
  --content-width: 860px;
  --normal-gap: 24px;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page-background: #0b0d12;
  --page-glow: #352316;
  --panel-background: #141820;
  --panel-raised: #1a1f28;
  --border-color: #2c3340;
  --text-color: #e6edf3;
  --muted-color: #a4afbe;
  --subtle-color: #8090a4;
  --accent-color: #f58220;
  --accent-light: #ffad62;
  --accent-tint: #f5822014;
  --accent-border: #86552d;
  --button-text: #1c130c;
  --key-background: #242b36;
  --key-border: #495263;
  --key-color: #dbe4ef;
  --category-background: #222a36;
  --category-border: #3b4557;
  --category-color: #aebcd0;
  --shadow-color: #0007;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) { color-scheme: dark; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text-color);
  background: radial-gradient(ellipse 760px 440px at 50% -100px, var(--page-glow), transparent 75%), var(--page-background);
  font-family: var(--font-body);
  line-height: 1.5;
}
button, input { font: inherit; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 4px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.page { width: min(calc(100% - 48px), var(--page-width)); margin-inline: auto; padding-bottom: 100px; }
.site-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--normal-gap);
  padding: 20px 0;
  color: var(--subtle-color);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .11em;

  h1 { margin: 0; font: inherit; text-transform: uppercase; }
  .separator { color: var(--accent-color); }
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 35px;
  padding: 5px 11px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--panel-background);
  color: var(--muted-color);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0;

  &:hover { border-color: var(--accent-color); color: var(--text-color); }
  .theme-icon { color: var(--accent-color); font-size: 16px; line-height: 1; }
}
.hero {
  display: grid;
  justify-items: center;
  padding: 10px 0 96px;
  text-align: center;

  .logo { width: min(490px, 100%); height: auto; filter: drop-shadow(0 22px 40px var(--shadow-color)); }
  .tagline { max-width: 720px; margin: 20px 0 0; font-size: 36px; font-weight: 300; letter-spacing: -.04em; line-height: 1.2; text-wrap: balance; }
  .intro { max-width: 690px; margin: 24px 0 34px; color: var(--muted-color); font-size: 16px; }
}
.overview {
  width: min(100%, var(--content-width));
  overflow: hidden;
  margin: 64px 0 0;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--panel-background);
  box-shadow: 0 25px 65px var(--shadow-color);

  img { display: block; width: 100%; height: auto; }
}
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; align-items: start; gap: 18px; }
.hero-action { display: grid; justify-items: center; gap: 7px; }
.action-note { color: var(--muted-color); font-size: 12px; line-height: 1.3; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 180px;
  padding: 10px 22px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  transition: background .16s ease, border-color .16s ease, transform .16s ease;

  &:hover { transform: translateY(-2px); }
  &.primary { border-color: var(--accent-color); background: var(--accent-color); color: var(--button-text); }
  &.primary:hover { background: var(--accent-light); border-color: var(--accent-light); }
  &.secondary { background: var(--panel-background); color: var(--text-color); }
  &.secondary:hover { border-color: var(--accent-color); }
  svg { width: 22px; height: 22px; flex: none; }
}

.content-section { width: min(100%, var(--content-width)); margin-inline: auto; }
.cinema { margin-bottom: 96px; }
.features { min-height: calc(100vh + 120px); }
.section-heading {
  margin-bottom: 22px;

  .eyebrow { margin: 0; color: var(--accent-light); font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
  h2 { margin: 6px 0 8px; font-size: 37px; font-weight: 650; letter-spacing: -.04em; line-height: 1.2; }
  > p:last-child { max-width: 650px; margin: 0; color: var(--muted-color); font-size: 15px; }
}
.movie {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--border-color);
  border-top: 10px solid var(--accent-color);
  border-radius: 10px 10px 14px 14px;
  background: var(--panel-background);
  box-shadow: 0 25px 65px var(--shadow-color);

  video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #000; }
  figcaption { padding: 20px 24px; border-top: 1px solid var(--border-color); color: var(--text-color); font-size: 16px; line-height: 1.55; }
}

.feature-palette { border: 1px solid var(--border-color); border-radius: 14px; background: var(--panel-background); box-shadow: 0 25px 65px var(--shadow-color); }
.palette-header { position: sticky; top: 0; z-index: 2; border-radius: 13px 13px 0 0; background: var(--panel-raised); }
.search-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 66px;
  padding: 0 22px;
  border-bottom: 1px solid var(--border-color);
  border-radius: 13px 13px 0 0;
  background: var(--panel-raised);

  .search-icon { color: var(--accent-color); font-size: 30px; line-height: 1; }
  input { flex: 1; min-width: 0; padding: 18px 0; border: 0; outline: 0; background: transparent; color: var(--text-color); font-size: 17px; }
  input::placeholder { color: var(--subtle-color); }
  &:focus-within { box-shadow: inset 0 0 0 2px var(--accent-color); }
  kbd { color: var(--subtle-color); }
}
kbd { display: inline-flex; align-items: center; justify-content: center; min-width: 25px; padding: 3px 7px; border: 1px solid var(--key-border); border-radius: 5px; background: var(--key-background); color: var(--key-color); font-family: var(--font-mono); font-size: 12px; line-height: 1.4; white-space: nowrap; }
.results-bar { display: flex; justify-content: space-between; gap: var(--normal-gap); color: var(--subtle-color); font-family: var(--font-mono); font-size: 11px; }
.results-bar { padding: 13px 22px; border-bottom: 1px solid var(--border-color); letter-spacing: .11em; }
.feature-list { margin: 0; padding: 0; list-style: none; }
.feature-row {
  padding: 20px 22px;
  border-bottom: 1px solid var(--border-color);

  &[hidden] { display: none; }
  &:last-child { border-bottom: 0; }
  .feature-main { display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 18px; }
  .category { justify-self: start; align-self: start; padding: 4px 9px; border: 1px solid var(--category-border); border-radius: 5px; background: var(--category-background); color: var(--category-color); font-family: var(--font-mono); font-size: 11px; white-space: nowrap; }
  .feature-title { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 8px 20px; }
  .feature-title strong { font-size: 17px; font-weight: 650; letter-spacing: -.01em; }
  .chevron { color: var(--accent-light); }
  .keys { display: inline-flex; align-items: center; gap: 9px; color: var(--subtle-color); }
  .search-cue { color: var(--subtle-color); font-family: var(--font-mono); font-size: 12px; }
  .feature-type { color: var(--category-color); font-weight: 700; }
  .search-cue code { color: var(--accent-light); font-family: inherit; }
  p { margin: 7px 0 0; color: var(--muted-color); font-size: 14px; }
}
.empty-state { margin: 0; padding: 40px 22px; color: var(--muted-color); text-align: center; &[hidden] { display: none; } }
.site-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px 32px;
  width: min(100%, var(--content-width));
  margin: 72px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  color: var(--muted-color);
  font-size: 13px;

  nav { display: flex; flex-wrap: wrap; gap: 12px 24px; }
  a { color: var(--text-color); text-decoration: none; }
  a:hover { color: var(--accent-light); text-decoration: underline; }
}

@media (max-width: 640px) {
  .feature-row {
    padding: 18px;

    .feature-main { grid-template-columns: minmax(0, 1fr); gap: 10px; }
    .keys { flex-wrap: wrap; }
  }
}