:root {
  --bg: #06070c;
  --bg-soft: #0c101a;
  --surface: rgba(11, 15, 24, 0.88);
  --surface-strong: rgba(14, 19, 31, 0.96);
  --surface-muted: rgba(21, 27, 41, 0.82);
  --border: rgba(167, 187, 255, 0.14);
  --border-strong: rgba(170, 197, 255, 0.24);
  --text: #f4f7ff;
  --muted: #a9b5d3;
  --muted-strong: #d5dcf0;
  --accent-blue: #53a8f5;
  --accent-cyan: #59d4d7;
  --accent-lime: #b7d67b;
  --accent-gold: #f7cf58;
  --accent-green: #22c55e;
  --accent-yellow: #eab308;
  --accent-red: #ef4444;
  --shadow-xl: 0 40px 80px rgba(0, 0, 0, 0.45);
  --shadow-panel: 0 18px 40px rgba(0, 0, 0, 0.45);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(83, 168, 245, 0.14), transparent 26%),
    radial-gradient(circle at top right, rgba(247, 207, 88, 0.12), transparent 22%),
    linear-gradient(180deg, #07080d 0%, #090c12 42%, #06070c 100%);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

code {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
  padding: 0.15em 0.4em;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.hero {
  position: relative;
  min-height: 0;
  padding: 1.5rem 1.5rem 2.25rem;
  background:
    linear-gradient(180deg, rgba(6, 7, 12, 0.35), rgba(6, 7, 12, 0.82)),
    linear-gradient(90deg, rgba(7, 10, 18, 0.88), rgba(7, 10, 18, 0.45)),
    url("bg.png") center / cover no-repeat;
  overflow: hidden;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.15));
  pointer-events: none;
}

.topbar,
.hero__content,
.section__inner,
.footer {
  position: relative;
  z-index: 1;
  width: min(1320px, calc(100% - 2rem));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding: 0.5rem 0;
}

.brand img {
  width: min(320px, 36vw);
  min-width: 180px;
}

.topbar__links {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  font-size: 0.95rem;
  color: var(--muted-strong);
}

.topbar__links a {
  position: relative;
  padding-bottom: 0.1rem;
}

.topbar__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.topbar__links a:hover::after,
.topbar__links a:focus-visible::after {
  transform: scaleX(1);
}

.topbar__cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.9rem 1.35rem;
  font-weight: 700;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    box-shadow 180ms ease;
}

.topbar__cta {
  flex: 0 0 auto;
  white-space: nowrap;
}

.topbar__cta,
.button--primary {
  background: linear-gradient(90deg, rgba(83, 168, 245, 0.9), rgba(247, 207, 88, 0.92));
  color: #071019;
  box-shadow: 0 18px 32px rgba(83, 168, 245, 0.24);
}

.topbar__cta:hover,
.topbar__cta:focus-visible,
.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button--ghost {
  background: rgba(8, 12, 19, 0.55);
  color: var(--text);
  backdrop-filter: blur(10px);
}

.hero__content {
  display: grid;
  grid-template-columns: minmax(420px, 0.9fr) minmax(0, 1.1fr);
  gap: 2.5rem 3rem;
  align-items: center;
  min-height: 0;
  padding: 2.5rem 0 0;
}

.hero__copy {
  max-width: 640px;
  padding: clamp(1.4rem, 2vw, 2rem);
  border: 1px solid rgba(180, 199, 255, 0.16);
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(8, 11, 18, 0.86), rgba(8, 11, 18, 0.62));
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
}

.eyebrow {
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.hero h1,
.section__head h2,
.demo-card__copy h2 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero h1 {
  max-width: none;
  font-size: clamp(2.35rem, 4.2vw, 3.95rem);
  line-height: 0.94;
  text-wrap: balance;
}

.hero__lead,
.section__lead,
.demo-card__copy p,
.feature-card p,
.roadmap-card p,
.note-card p,
.window-note,
.status-card__meta {
  color: var(--muted);
}

.hero__lead {
  margin: 0;
}

.hero__lead--primary {
  max-width: 32rem;
  margin-top: 1.2rem;
  color: var(--muted-strong);
  font-size: clamp(1.08rem, 1.7vw, 1.28rem);
  font-weight: 700;
  line-height: 1.45;
}

.hero__lead--secondary {
  max-width: 35rem;
  margin-top: 0.85rem;
  font-size: clamp(1rem, 1.45vw, 1.12rem);
  color: var(--muted);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.75rem;
}

.hero-viewer,
.window-note,
.panel-scene,
.note-card,
.feature-card,
.roadmap-card,
.demo-card {
  background: linear-gradient(180deg, rgba(15, 20, 32, 0.94), rgba(10, 13, 20, 0.9));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.hero__visual {
  display: block;
}

.hero-viewer {
  position: relative;
  padding: 1rem;
  overflow: hidden;
}

.hero-viewer::before {
  content: "";
  position: absolute;
  inset: -20% auto auto 58%;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(83, 168, 245, 0.24), transparent 72%);
  pointer-events: none;
}

.hero-viewer__chrome,
.hero-viewer__footer {
  position: relative;
  z-index: 1;
}

.hero-viewer__chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.hero-viewer__chrome-copy {
  display: grid;
  gap: 0.15rem;
}

.hero-viewer__chrome-copy strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.hero-viewer__eyebrow {
  color: var(--accent-cyan);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 800;
}

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

.hero-viewer__screen {
  position: relative;
  aspect-ratio: 2292 / 1499;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(201, 214, 255, 0.18);
  background: #0b1017;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.hero-viewer__expand {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 0.48rem 0.82rem;
  background: rgba(8, 11, 18, 0.82);
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.hero-viewer__expand:hover {
  border-color: rgba(89, 212, 215, 0.38);
  background: rgba(14, 19, 29, 0.92);
  transform: translateY(-1px);
}

.hero-viewer__expand:focus-visible {
  outline: none;
  border-color: rgba(89, 212, 215, 0.55);
  box-shadow: 0 0 0 4px rgba(89, 212, 215, 0.12);
}

.hero-frame-wrap,
.hero-frame,
.hero-viewer__glow {
  position: absolute;
  inset: 0;
}

.hero-frame-wrap {
  display: block;
}

.hero-frame {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  visibility: visible;
  transform: none;
}

.hero-viewer__glow {
  background:
    linear-gradient(180deg, rgba(5, 7, 12, 0.04), rgba(5, 7, 12, 0.34)),
    radial-gradient(circle at top right, rgba(83, 168, 245, 0.12), transparent 30%);
  pointer-events: none;
}

.hero-viewer__badge {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  z-index: 1;
  padding: 0.45rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(8, 11, 18, 0.72);
  backdrop-filter: blur(8px);
  color: var(--muted-strong);
  font-size: 0.82rem;
  font-weight: 700;
}

.hero-viewer__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.9rem;
}

.hero-viewer__caption {
  margin: 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.body--preview-open {
  overflow: hidden;
}

.viewer-modal {
  --viewer-modal-gutter: 1.5rem;
  --viewer-modal-dialog-pad: clamp(1rem, 2vw, 1.25rem);
  --viewer-modal-bar-space: 4rem;
  --viewer-modal-frame-max-width: 1500px;
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: var(--viewer-modal-gutter);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.viewer-modal--open {
  opacity: 1;
  pointer-events: auto;
}

.viewer-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 6, 11, 0.78);
  backdrop-filter: blur(10px);
}

.viewer-modal__dialog {
  position: relative;
  z-index: 1;
  width: fit-content;
  max-width: calc(100vw - var(--viewer-modal-gutter) * 2);
  max-height: calc(100vh - var(--viewer-modal-gutter) * 2);
  display: grid;
  gap: 0.9rem;
  padding: var(--viewer-modal-dialog-pad);
  border: 1px solid rgba(167, 187, 255, 0.14);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(11, 14, 22, 0.98), rgba(8, 10, 16, 0.99));
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.42);
}

.viewer-modal__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.viewer-modal__title {
  color: var(--muted-strong);
  font-size: 0.92rem;
  font-weight: 700;
}

.viewer-modal__close {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 0.46rem 0.82rem;
  background: rgba(8, 11, 18, 0.82);
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

.viewer-modal__close:focus-visible {
  outline: none;
  border-color: rgba(89, 212, 215, 0.55);
  box-shadow: 0 0 0 4px rgba(89, 212, 215, 0.12);
}

.viewer-modal__screen {
  position: relative;
  width: min(
    var(--viewer-modal-frame-max-width),
    calc(100vw - var(--viewer-modal-gutter) * 2 - var(--viewer-modal-dialog-pad) * 2),
    calc((100vh - var(--viewer-modal-gutter) * 2 - var(--viewer-modal-dialog-pad) * 2 - var(--viewer-modal-bar-space)) * 2292 / 1499)
  );
  max-width: 100%;
  max-height: calc(100vh - var(--viewer-modal-gutter) * 2 - var(--viewer-modal-dialog-pad) * 2 - var(--viewer-modal-bar-space));
  margin-inline: auto;
  aspect-ratio: 2292 / 1499;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(201, 214, 255, 0.18);
  background: #0b1017;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.section {
  position: relative;
  padding: clamp(4.5rem, 8vw, 7rem) 1.5rem;
}

.section--overlay {
  padding-top: clamp(4.5rem, 8vw, 7rem);
  background:
    linear-gradient(180deg, rgba(10, 13, 20, 0.96), rgba(8, 10, 15, 0.98)),
    radial-gradient(circle at top right, rgba(83, 168, 245, 0.08), transparent 28%);
}

.section--workflow {
  background:
    radial-gradient(circle at top left, rgba(89, 212, 215, 0.08), transparent 25%),
    linear-gradient(180deg, #07090f, #06070c);
}

.section--roadmap {
  background:
    radial-gradient(circle at top center, rgba(247, 207, 88, 0.08), transparent 22%),
    linear-gradient(180deg, #080b12, #06070c);
}

.section--demo {
  background:
    radial-gradient(circle at top right, rgba(83, 168, 245, 0.12), transparent 26%),
    linear-gradient(180deg, #090b12, #05060a);
}

.section__head {
  max-width: 54rem;
}

.section__head h2,
.demo-card__copy h2 {
  font-size: clamp(1.95rem, 3.8vw, 3.15rem);
}

.section__lead {
  margin: 1.05rem 0 0;
  font-size: 1.06rem;
}

.window-note {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  align-items: center;
  margin-top: 2rem;
  padding: 1rem 1.2rem;
}

.window-note__label {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(89, 212, 215, 0.12);
  color: var(--accent-cyan);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.overlay-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  margin-top: 0;
}

.panel-scene {
  padding: 0;
  background: none;
  border: 0;
  box-shadow: none;
}

.panel-scene__header {
  display: none;
}

.panel-scene__eyebrow {
  margin: 0 0 0.25rem;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.panel-scene__header h3 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
}

.panel-scene__meta {
  margin: 0;
  max-width: 16rem;
  text-align: right;
  color: var(--muted);
  font-size: 0.95rem;
}

.editor-surface {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 1.5rem;
  border-radius: 18px;
  border: 1px solid rgba(167, 187, 255, 0.1);
  background: linear-gradient(180deg, rgba(11, 14, 22, 0.98), rgba(8, 10, 16, 0.99));
}

.editor-surface::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.18;
  pointer-events: none;
}

.editor-surface::after {
  display: none;
}

.editor-surface--large {
  min-height: 0;
}

.overlay-panel-column {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding-top: 0.4rem;
}

.overlay-panel-column__title {
  margin: 0;
  font-size: clamp(1.05rem, 1.55vw, 1.4rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.overlay-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.25rem 1.5rem;
  align-items: start;
}

.surface-ring,
.surface-node {
  display: none;
}

.overlay-panel-stage {
  --overlay-scale: 0.9;
  --overlay-panel-width: 356px;
  --overlay-panel-height: 498px;
  position: relative;
  z-index: 1;
  width: calc(var(--overlay-panel-width) * var(--overlay-scale));
  height: calc(var(--overlay-panel-height) * var(--overlay-scale));
  flex: 0 0 auto;
}

.overlay-panel {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: var(--overlay-panel-width);
  padding: 8px;
  transform: scale(var(--overlay-scale));
  transform-origin: top left;
  background: rgba(0, 0, 0, 0.667);
  border: 0;
  border-radius: 8px;
  box-shadow: none;
  backdrop-filter: none;
  font-family: "Segoe UI", Tahoma, sans-serif;
  font-size: 12px;
  line-height: 1;
  font-weight: 400;
  color: rgba(240, 240, 240, 0.94);
}

.overlay-panel--expanded {
  width: var(--overlay-panel-width);
}

.overlay-panel--minimized {
  width: 220px;
}

.overlay-guide {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(226px, 1fr));
  gap: 0.72rem;
  align-content: start;
  min-width: 0;
}

.overlay-guide__section {
  display: grid;
  align-content: start;
  gap: 0.42rem;
  padding: 0.72rem;
  border: 1px solid rgba(167, 187, 255, 0.1);
  border-radius: 12px;
  background: rgba(9, 12, 19, 0.52);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.overlay-guide__section--hidden {
  display: none;
}

.overlay-guide__section h3 {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--text);
}

.control-doc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.34rem;
  align-items: start;
  margin-top: 0;
  padding: 0.58rem 0.62rem;
  border: 1px solid rgba(167, 187, 255, 0.08);
  border-radius: 10px;
  background: rgba(4, 6, 10, 0.34);
}

.control-doc:first-of-type {
  margin-top: 0.05rem;
}

.control-doc__sample {
  display: flex;
  flex-wrap: wrap;
  gap: 0.34rem;
  align-items: center;
  min-width: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  font-size: 12px;
  line-height: 1;
  color: rgba(240, 240, 240, 0.94);
}

.control-doc__copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.34;
}

.sample-inline {
  flex-direction: row;
  align-items: flex-start;
}

.sample-stack {
  flex-direction: column;
  align-items: flex-start;
}

.guide-fragment {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  padding: 0.3rem 0.34rem;
  border-radius: 7px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(167, 187, 255, 0.08);
}

.guide-fragment--row {
  display: block;
  width: min(100%, 264px);
}

.guide-fragment .legend-row {
  margin-top: 0;
}

.guide-fragment .assistant-block__title {
  margin: 0;
}

.legend-title--sample {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
}

.legend-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.legend-title {
  flex: 0 0 auto;
  color: #fff;
  font-weight: 400;
  letter-spacing: 0;
  white-space: nowrap;
}

.legend-actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  margin-left: auto;
}

.legend-btn,
.legend-value,
.checkbox,
.color-chip {
  border-radius: 3px;
}

.legend-btn,
.legend-value {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 20px;
  height: 20px;
  padding: 0 8px;
  border: 1px solid rgb(170, 170, 170);
  background: rgba(60, 60, 60, 0.863);
  color: rgba(255, 255, 255, 0.94);
  white-space: nowrap;
  font-weight: 400;
}

.legend-btn--icon {
  min-width: 22px;
  width: 22px;
  padding: 0;
}

.legend-btn--reload {
  min-width: 56px;
  width: 56px;
}

.legend-btn--cp {
  min-width: 86px;
  width: 86px;
}

.legend-btn--hide {
  min-width: 48px;
  width: 48px;
}

.legend-row {
  min-height: 20px;
  margin-top: 5px;
}

.legend-row--toggle {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
}

.legend-row--compact {
  margin-top: 0;
}

.legend-row--colors,
.legend-row--control,
.legend-row--value {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 12px;
}

.legend-label {
  color: rgba(240, 240, 240, 0.94);
  font-weight: 400;
}

.checkbox {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  border-radius: 2px;
  border: 1px solid rgba(190, 190, 190, 0.9);
  background: rgba(70, 70, 70, 0.863);
}

.checkbox--checked::before,
.checkbox--checked::after {
  content: "";
  position: absolute;
  height: 2px;
  background: rgba(255, 255, 255, 0.94);
  transform-origin: left top;
}

.checkbox--checked::before {
  top: 7px;
  left: 2px;
  width: 4px;
  transform: rotate(45deg);
}

.checkbox--checked::after {
  top: 8px;
  left: 4px;
  width: 8px;
  transform: rotate(-45deg);
}

.color-chips {
  display: flex;
  align-items: center;
  gap: 6px;
}

.color-chip {
  position: relative;
  width: 24px;
  height: 20px;
  border: 1px solid transparent;
}

.color-chip::before,
.color-chip::after {
  content: "";
  position: absolute;
  height: 2px;
  background: rgba(20, 20, 20, 0.9);
  border-radius: 999px;
}

.color-chip::before {
  left: 5px;
  top: 10px;
  width: 4px;
  transform: rotate(45deg);
}

.color-chip::after {
  left: 7px;
  top: 9px;
  width: 10px;
  transform: rotate(-45deg);
}

.color-chip--blue {
  background: rgba(56, 189, 248, 0.9);
  border-color: #38bdf8;
}

.color-chip--green {
  background: rgba(34, 197, 94, 0.9);
  border-color: #22c55e;
}

.color-chip--yellow {
  background: rgba(234, 179, 8, 0.9);
  border-color: #eab308;
}

.color-chip--red {
  background: rgba(239, 68, 68, 0.9);
  border-color: #ef4444;
}

.color-chip--off {
  background: rgba(50, 50, 50, 0.82);
}

.color-chip--off::before,
.color-chip--off::after {
  display: none;
}

.stepper {
  display: grid;
  grid-template-columns: 20px 32px 20px;
  gap: 6px;
  align-items: center;
}

.legend-value {
  min-width: 32px;
  padding-inline: 6px;
}

.legend-value--wide {
  min-width: 163px;
  width: 163px;
  justify-content: flex-start;
  padding-inline: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px 8px;
  margin-top: 5px;
}

.legend-btn--action {
  width: 100%;
  justify-content: center;
}

.control-doc__sample .legend-btn--action {
  width: 160px;
  flex: 0 0 auto;
}

.control-doc__sample .legend-btn--run-short {
  flex: 0 0 auto;
}

.overlay-guide .legend-btn,
.overlay-guide .legend-value,
.overlay-guide .legend-label,
.overlay-guide .assistant-block__title,
.overlay-guide .legend-title,
.overlay-guide .legend-row {
  font-family: "Segoe UI", Tahoma, sans-serif;
  font-size: 12px;
}

.overlay-guide .legend-btn,
.overlay-guide .legend-value {
  min-height: 20px;
  height: 20px;
  padding: 0 8px;
}

.overlay-guide .legend-btn--icon {
  min-width: 22px;
  width: 22px;
}

.overlay-guide .legend-btn--reload {
  min-width: 56px;
  width: 56px;
}

.overlay-guide .legend-btn--cp {
  min-width: 86px;
  width: auto;
}

.overlay-guide .legend-btn--hide {
  min-width: 48px;
  width: 48px;
}

.overlay-guide .legend-row {
  min-height: 20px;
  margin-top: 5px;
}

.overlay-guide .legend-row--colors,
.overlay-guide .legend-row--control,
.overlay-guide .legend-row--value {
  column-gap: 10px;
}

.overlay-guide .checkbox {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
}

.overlay-guide .checkbox--checked::before {
  top: 7px;
  left: 2px;
  width: 4px;
}

.overlay-guide .checkbox--checked::after {
  top: 8px;
  left: 4px;
  width: 8px;
}

.overlay-guide .color-chips {
  gap: 6px;
}

.overlay-guide .color-chip {
  width: 24px;
  height: 20px;
}

.overlay-guide .color-chip::before {
  left: 5px;
  top: 10px;
  width: 4px;
}

.overlay-guide .color-chip::after {
  left: 7px;
  top: 9px;
  width: 10px;
}

.overlay-guide .stepper {
  grid-template-columns: 20px 32px 20px;
  gap: 6px;
}

.overlay-guide .legend-value {
  min-width: 32px;
}

.overlay-guide .legend-value--wide {
  min-width: 163px;
  width: 163px;
  padding-inline: 8px;
}

.overlay-guide .assistant-block__title {
  min-height: 20px;
}

.overlay-guide .control-doc__sample .legend-btn--action {
  width: 132px;
}

.overlay-guide .legend-btn--run-short {
  width: 132px;
}

.assistant-block {
  margin-top: 13px;
  padding-top: 9px;
  border-top: 1px solid rgba(120, 120, 120, 0.55);
}

.assistant-block__title {
  margin: 0 0 5px;
  min-height: 20px;
  display: flex;
  align-items: center;
  color: rgba(240, 240, 240, 0.94);
  font-weight: 400;
}

.assistant-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px 10px;
}

.legend-btn--run {
  margin-top: 5px;
  width: 180px;
  justify-content: center;
}

.legend-btn--run-short {
  width: 180px;
}

.notes-grid,
.feature-grid,
.roadmap-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.notes-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.note-card,
.feature-card,
.roadmap-card {
  padding: 1.2rem 1.25rem;
}

.note-card h3,
.feature-card h3,
.roadmap-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
}

.note-card p,
.feature-card p,
.roadmap-card p {
  margin: 0.75rem 0 0;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.roadmap-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.roadmap-card {
  position: relative;
  overflow: hidden;
}

.roadmap-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
  opacity: 0.8;
}

.roadmap-card__tag {
  display: inline-flex;
  margin-bottom: 0.85rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(89, 212, 215, 0.1);
  color: var(--accent-cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.demo-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 2rem;
  padding: clamp(1.5rem, 3vw, 2rem);
}

.demo-card__copy {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.demo-status {
  margin: 0;
  max-width: 40rem;
  font-size: 1rem;
  line-height: 1.5;
}

.demo-spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
}

.demo-spec {
  padding: 0.95rem 1rem;
  border: 1px solid rgba(167, 187, 255, 0.1);
  border-radius: 16px;
  background: rgba(9, 12, 18, 0.54);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.demo-spec__tag {
  display: inline-flex;
  margin-bottom: 0.45rem;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.demo-spec p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--muted);
}

.demo-contact-panel {
  display: grid;
  align-content: center;
  gap: 0.9rem;
  padding: clamp(1.5rem, 3vw, 2rem);
  border: 1px solid rgba(167, 187, 255, 0.12);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(9, 12, 18, 0.82), rgba(9, 12, 18, 0.62));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.demo-contact-panel__eyebrow {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.demo-contact-panel__text {
  margin: 0;
  color: var(--muted-strong);
  font-size: clamp(1.05rem, 1.75vw, 1.3rem);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.demo-contact-panel a {
  color: var(--text);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: rgba(247, 207, 88, 0.45);
  text-underline-offset: 0.18em;
}

.demo-contact-panel a:hover,
.demo-contact-panel a:focus-visible {
  color: var(--accent-gold);
}

.footer {
  padding: 1.4rem 0 2rem;
}

.footer p {
  margin: 0;
  color: #73809f;
  font-size: 0.92rem;
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-frame {
    transform: none;
  }
}

@media (max-width: 1180px) {
  .hero__content,
  .overlay-grid,
  .feature-grid,
  .roadmap-grid,
  .demo-card,
  .notes-grid {
    grid-template-columns: 1fr;
  }

  .hero__content {
    min-height: auto;
    padding-top: 4rem;
  }

  .hero__copy {
    max-width: none;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 5vw, 4.15rem);
  }

  .overlay-layout {
    grid-template-columns: 1fr;
  }

  .overlay-guide {
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  }

  .demo-spec-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .panel-scene__header {
    align-items: flex-start;
    flex-direction: column;
  }

  .panel-scene__meta {
    max-width: none;
    text-align: left;
  }
}

@media (max-width: 860px) {
  .topbar {
    flex-wrap: wrap;
    justify-content: center;
  }

  .topbar__links {
    order: 3;
    flex-wrap: wrap;
    justify-content: center;
  }

  .topbar__cta {
    order: 2;
  }

  .control-doc {
    grid-template-columns: 1fr;
  }

  .demo-spec-grid {
    grid-template-columns: 1fr;
  }

  .overlay-panel-stage {
    --overlay-scale: 0.775;
    width: calc(var(--overlay-panel-width) * var(--overlay-scale));
    height: calc(var(--overlay-panel-height) * var(--overlay-scale));
  }

  .hero-viewer__chrome,
  .hero-viewer__footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .viewer-modal {
    --viewer-modal-gutter: 1rem;
    --viewer-modal-bar-space: 4.5rem;
  }

  .viewer-modal__dialog {
    border-radius: 20px;
  }

}

@media (max-width: 640px) {
  .hero,
  .section {
    padding-inline: 1rem;
  }

  .topbar,
  .hero__content,
  .section__inner,
  .footer {
    width: min(100%, calc(100% - 0.5rem));
  }

  .hero h1 {
    font-size: clamp(2.2rem, 10vw, 3.35rem);
  }

  .hero__copy {
    padding: 1.2rem;
    border-radius: 24px;
  }

  .editor-surface {
    padding: 1rem;
  }

  .hero-viewer__expand {
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.4rem 0.72rem;
    font-size: 0.78rem;
  }

  .viewer-modal {
    --viewer-modal-gutter: 0.7rem;
    --viewer-modal-dialog-pad: 0.8rem;
    --viewer-modal-bar-space: 6.4rem;
  }

  .viewer-modal__dialog {
    gap: 0.75rem;
    border-radius: 18px;
  }

  .viewer-modal__bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .overlay-panel-stage {
    --overlay-scale: 0.56;
    width: calc(var(--overlay-panel-width) * var(--overlay-scale));
    height: calc(var(--overlay-panel-height) * var(--overlay-scale));
  }
}