:root {
  color-scheme: light dark;
  --bg: #080b12;
  --bg-glow: #292055;
  --panel: #111724;
  --panel-soft: #0d1320;
  --panel-translucent: rgba(17, 23, 36, .88);
  --panel-table: rgba(17, 23, 36, .82);
  --atlas-card: rgba(13, 19, 32, .94);
  --heading-cell: #151c2b;
  --text: #f4f7fb;
  --muted: #a8b2c4;
  --border: #263148;
  --border-soft: #202a3c;
  --header-border: rgba(52, 64, 86, .8);
  --button-border: #344056;
  --media-bg: #080b12;
  --teal: #35e0c1;
  --violet: #8d70ff;
  --primary-text: #06100e;
  --showcase-start: rgba(53, 224, 193, .09);
  --showcase-end: rgba(141, 112, 255, .09);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f7fafc;
  --bg-glow: #e9e4ff;
  --panel: #ffffff;
  --panel-soft: #edf3f7;
  --panel-translucent: rgba(255, 255, 255, .92);
  --panel-table: rgba(255, 255, 255, .92);
  --atlas-card: rgba(255, 255, 255, .96);
  --heading-cell: #edf3f7;
  --text: #17212b;
  --muted: #526274;
  --border: #cad5e0;
  --border-soft: #d8e1e9;
  --header-border: rgba(174, 189, 202, .8);
  --button-border: #aebdca;
  --media-bg: #080b12;
  --teal: #087f78;
  --violet: #6748c7;
  --primary-text: #ffffff;
  --showcase-start: rgba(8, 127, 120, .09);
  --showcase-end: rgba(103, 72, 199, .08);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --bg: #f7fafc;
    --bg-glow: #e9e4ff;
    --panel: #ffffff;
    --panel-soft: #edf3f7;
    --panel-translucent: rgba(255, 255, 255, .92);
    --panel-table: rgba(255, 255, 255, .92);
    --atlas-card: rgba(255, 255, 255, .96);
    --heading-cell: #edf3f7;
    --text: #17212b;
    --muted: #526274;
    --border: #cad5e0;
    --border-soft: #d8e1e9;
    --header-border: rgba(174, 189, 202, .8);
    --button-border: #aebdca;
    --teal: #087f78;
    --violet: #6748c7;
    --primary-text: #ffffff;
    --showcase-start: rgba(8, 127, 120, .09);
    --showcase-end: rgba(103, 72, 199, .08);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }

body {
  margin: 0;
  background: radial-gradient(circle at 80% 0%, var(--bg-glow) 0, transparent 32rem), var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

main, footer, .site-header { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
a { color: var(--teal); }

.site-header {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--header-border);
}

.wordmark { color: var(--text); font-weight: 800; letter-spacing: -.02em; text-decoration: none; }
.site-header nav, footer nav { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.site-header nav a, footer a { color: var(--muted); font-size: .88rem; text-decoration: none; }
.site-header nav a:hover, footer a:hover { color: var(--teal); }

.hero { padding: 96px 0 64px; max-width: 850px; }
.eyebrow { color: var(--teal); font-weight: 750; letter-spacing: .12em; text-transform: uppercase; font-size: .78rem; }
h1 { font-size: clamp(3.2rem, 8vw, 6.4rem); line-height: .98; letter-spacing: -.055em; margin: 18px 0 28px; text-wrap: balance; }
.lede { color: var(--muted); font-size: clamp(1.15rem, 2.5vw, 1.55rem); max-width: 760px; }
.downloads { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { border: 1px solid var(--button-border); border-radius: 10px; color: var(--text); padding: 14px 20px; text-decoration: none; font-weight: 720; transition: border-color .15s ease, transform .15s ease; }
.button:hover { border-color: var(--teal); transform: translateY(-1px); }
.button.primary { background: var(--teal); border-color: var(--teal); color: var(--primary-text); }
.theme-toggle { display: inline-grid; width: 32px; height: 32px; padding: 0; place-items: center; border: 0; border-radius: 50%; background: transparent; color: var(--muted); cursor: pointer; font: inherit; font-size: 1.05rem; }
.theme-toggle:hover { background: var(--panel-soft); color: var(--teal); }
.theme-toggle:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }
.is-embedded .theme-toggle { display: none; }
.detail { color: var(--muted); font-size: .9rem; }

.transform-showcase { background: linear-gradient(135deg, var(--showcase-start), var(--showcase-end)); padding: 28px; border: 1px solid var(--border); border-radius: 18px; }
.showcase-heading { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 22px; }
.showcase-heading h2 { max-width: 620px; margin: 0; font-size: clamp(2rem, 4.5vw, 3.5rem); line-height: 1.04; }
.showcase-heading > p { max-width: 420px; margin: 0; color: var(--muted); font-size: .96rem; }
.transform-atlas { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.transform-card { min-width: 0; margin: 0; overflow: hidden; background: var(--atlas-card); border: 1px solid var(--border); border-radius: 12px; }
.transform-card img { display: block; width: 100%; height: auto; background: #000; }
.transform-card figcaption { display: grid; gap: 2px; min-height: 74px; padding: 12px 14px 14px; }
.transform-card figcaption strong { color: var(--text); font-size: .9rem; }
.transform-card figcaption span { color: var(--muted); font-size: .78rem; line-height: 1.45; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 72px 0; }
.features article, .use-case-grid article, .tutorial-grid article { background: var(--panel); border: 1px solid var(--border-soft); border-radius: 14px; padding: 26px; }
h2, h3 { margin-top: 0; letter-spacing: -.025em; }
.features p, .install li, .section-intro > p:last-child, .use-case-grid p, .tutorial-grid article > p:last-child { color: var(--muted); }

.section-block { border-top: 1px solid var(--border); padding: 82px 0; }
.section-intro { max-width: 790px; margin-bottom: 36px; }
.section-intro h2, .install h2 { font-size: clamp(2rem, 5vw, 3.7rem); line-height: 1.05; margin-bottom: 20px; }
.section-intro > p:last-child { font-size: 1.08rem; }

.media-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.media-wide { grid-column: 1 / -1; }
.media-card { margin: 0; }
.media-asset {
  display: block;
  width: 100%;
  height: auto;
  overflow: hidden;
  background: var(--media-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
}
figcaption { padding: 10px 4px 0; color: var(--muted); font-size: .88rem; }

.signal-stories { display: grid; gap: 28px; }
.signal-story { display: grid; grid-template-columns: minmax(240px, .38fr) minmax(0, .62fr); gap: 28px; align-items: center; padding: 28px; background: var(--panel-translucent); border: 1px solid var(--border-soft); border-radius: 16px; }
.signal-copy h3 { margin-bottom: 12px; font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1.08; }
.signal-copy > p:not(.story-number):not(.story-settings) { color: var(--muted); }
.story-number { margin: 0 0 18px; color: var(--violet); font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.story-settings { margin: 22px 0 0; color: var(--teal); font-size: .75rem; font-weight: 760; letter-spacing: .045em; text-transform: uppercase; }
.signal-media { min-width: 0; overflow: hidden; background: #000; border: 1px solid var(--border); border-radius: 12px; }
.plugin-loop { display: block; width: 100%; height: auto; background: #000; }

.use-case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.use-case-grid article { min-height: 220px; }
.use-case-grid span { color: var(--violet); font-size: .78rem; font-weight: 800; letter-spacing: .1em; }
.use-case-grid h3 { margin: 18px 0 10px; font-size: 1.35rem; }

.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.capability-grid article { min-height: 210px; padding: 26px; background: var(--panel); border: 1px solid var(--border-soft); border-radius: 14px; }
.capability-grid span { color: var(--violet); font-size: .78rem; font-weight: 800; letter-spacing: .1em; }
.capability-grid h3 { margin: 18px 0 10px; font-size: 1.35rem; }
.capability-grid p { color: var(--muted); }

.tutorial-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tutorial-grid article { padding: 0 0 24px; overflow: hidden; }
.tutorial-grid article > *:not(.tutorial-media) { margin-left: 24px; margin-right: 24px; }
.tutorial-media { display: block; width: 100%; height: auto; margin-bottom: 22px; background: #080b12; border-bottom: 1px solid var(--border); }
.tutorial-meta { color: var(--violet); font-size: .72rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.tutorial-grid h3 { margin-bottom: 10px; }

.install { border-top: 1px solid var(--border); padding: 82px 0 92px; max-width: 800px; }
.install li { padding: 5px 0 5px 8px; }
code { color: var(--text); }

footer { border-top: 1px solid var(--border); color: var(--muted); display: flex; justify-content: space-between; padding: 28px 0 50px; }

@media (max-width: 820px) {
  .site-header nav a:not(:last-of-type) { display: none; }
  .showcase-heading { align-items: start; flex-direction: column; gap: 16px; }
  .transform-atlas { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .features, .tutorial-grid { grid-template-columns: 1fr; }
  .media-grid, .use-case-grid, .capability-grid { grid-template-columns: 1fr; }
  .media-wide { grid-column: auto; }
  .signal-story { grid-template-columns: 1fr; }
  .tutorial-grid article { display: grid; grid-template-columns: minmax(180px, 35%) 1fr; grid-template-rows: auto auto 1fr; padding: 0; }
  .tutorial-media { grid-row: 1 / 4; height: 100%; min-height: 230px; margin: 0; border-right: 1px solid var(--border); border-bottom: 0; }
  .tutorial-grid article > *:not(.tutorial-media) { margin-left: 22px; margin-right: 22px; }
  .tutorial-meta { margin-top: 22px; }
}

@media (max-width: 560px) {
  .hero { padding-top: 72px; }
  .section-block { padding: 64px 0; }
  .transform-showcase { padding: 18px; }
  .transform-atlas { grid-template-columns: 1fr; }
  .signal-story { padding: 18px; }
  .tutorial-grid article { display: block; padding-bottom: 24px; }
  .tutorial-media { height: auto; min-height: 180px; margin-bottom: 22px; border-right: 0; border-bottom: 1px solid var(--border); }
  .tutorial-meta { margin-top: 0; }
  footer { align-items: flex-start; flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}