* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cp-bg);
  color: var(--cp-text);
  font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
}

a {
  color: var(--cp-link);
}

.site-header,
main,
footer {
  width: min(92rem, calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--cp-border);
}

.brand {
  color: var(--cp-text);
  font-weight: 800;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--cp-text-muted);
  text-decoration: none;
}

nav .request-link {
  color: var(--cp-accent);
  font-weight: 700;
}

.hero {
  min-height: 72vh;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  gap: 3rem;
  align-items: center;
  padding-block: 5rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--cp-accent);
  font: 700 0.78rem/1.2 Consolas, "Courier New", Courier, monospace;
  letter-spacing: 0.14em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 1.5rem;
  font-size: clamp(3.2rem, 8vw, 7.5rem);
  line-height: 0.94;
  letter-spacing: -0.07em;
}

h2 {
  font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.lede {
  max-width: 48rem;
  color: var(--cp-text-muted);
  font-size: clamp(1.05rem, 2vw, 1.4rem);
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
  box-shadow: var(--cp-shadow);
}

.stats div {
  padding: 1.25rem;
  border: 1px solid var(--cp-border);
}

.stats dt {
  color: var(--cp-text-muted);
  font-size: 0.78rem;
}

.stats dd {
  margin: 0.4rem 0 0;
  font-size: 1.25rem;
  font-weight: 800;
}

.frame-section,
.api-section {
  padding-block: 5rem;
  border-top: 1px solid var(--cp-border);
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.5rem;
}

label {
  display: grid;
  gap: 0.45rem;
  color: var(--cp-text-muted);
  font-size: 0.8rem;
}

input {
  min-height: 2.8rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  color: var(--cp-text);
  background: var(--cp-surface);
  font: inherit;
}

input:focus {
  outline: 2px solid var(--cp-accent);
  outline-offset: 2px;
}

.muted {
  color: var(--cp-text-muted);
}

.frame-viewport {
  overflow: auto;
  padding: 0.5rem;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-bg-elevated);
  box-shadow: var(--cp-shadow);
}

.holo-frame {
  display: grid;
  grid-template-columns: repeat(16, minmax(3.7rem, 1fr));
  min-width: 72rem;
  aspect-ratio: 1;
  gap: 0.25rem;
}

.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 0.3rem;
  overflow: hidden;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  color: var(--cp-text);
  background: var(--cp-surface);
  cursor: pointer;
}

.tile:hover,
.tile:focus-visible,
.tile[aria-pressed="true"] {
  z-index: 2;
  border-color: var(--cp-accent);
  outline: none;
}

.tile.dimmed {
  opacity: 0.14;
}

.tile.control {
  justify-content: center;
  border-color: var(--cp-accent);
  background: var(--cp-accent-soft);
  cursor: default;
}

.tile-id,
.mono {
  font-family: Consolas, "Courier New", Courier, monospace;
}

.tile-id {
  position: relative;
  z-index: 4;
  font-size: 0.55rem;
  font-weight: 700;
}

.tile-state {
  position: relative;
  z-index: 4;
  margin-top: auto;
  color: var(--cp-text-muted);
  font: 700 0.42rem/1 Consolas, "Courier New", Courier, monospace;
}

.shadow-preview {
  position: absolute;
  inset: 0.35rem;
  width: calc(100% - 0.7rem);
  height: calc(100% - 0.7rem);
  color: var(--cp-text);
  opacity: 0.82;
}

.shadow-preview polygon {
  fill: currentColor;
  stroke: var(--cp-border-strong);
  stroke-width: 70;
}

.silhouette,
.silhouette::before,
.silhouette::after,
.silhouette span {
  position: absolute;
  inset: 18%;
  border: 1px solid var(--cp-border-strong);
  background: var(--cp-text);
  opacity: 0.24;
  transform: rotate(calc(var(--phase) + var(--layer, 1) * 19deg));
}

.silhouette {
  inset: 0.3rem;
  border: 0;
  background: var(--cp-highlight);
  opacity: 1;
}

.silhouette::before,
.silhouette::after {
  content: "";
  border-radius: 50%;
}

.silhouette::after {
  inset: 30%;
  opacity: 0.65;
}

.silhouette.ring span {
  border: 4px solid var(--cp-text);
  border-radius: 50%;
  background: transparent;
}

.silhouette.spire span {
  border-radius: 50% 50% 0.625rem 0.625rem;
}

.silhouette.field span {
  border-radius: 0.625rem;
}

.control-title {
  margin-top: 0.35rem;
  font-size: 0.62rem;
}

.control-detail {
  margin-top: 0.25rem;
  color: var(--cp-text-muted);
  font-size: 0.45rem;
}

.focus-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
}

.focus-panel h3 {
  margin: 0.3rem 0;
}

.commitment {
  overflow-wrap: anywhere;
  color: var(--cp-text-muted);
  font-size: 0.72rem;
}

button {
  min-height: 2.8rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  color: var(--cp-text-muted);
  background: var(--cp-surface-soft);
  font: inherit;
}

.endpoint-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-block: 1.5rem;
}

code {
  padding: 1rem;
  overflow-wrap: anywhere;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  background: var(--cp-surface);
  font-family: Consolas, "Courier New", Courier, monospace;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2rem 4rem;
  border-top: 1px solid var(--cp-border);
  color: var(--cp-text-muted);
  font-size: 0.8rem;
}

@media (max-width: 760px) {
  nav {
    display: flex;
  }
  nav a:not(.request-link) {
    display: none;
  }
  .hero,
  .focus-panel,
  .endpoint-grid {
    grid-template-columns: 1fr;
  }
  .section-head,
  footer {
    align-items: start;
    flex-direction: column;
  }
}