/* ---------------------------------------------------------------------
   HyperFrames Effects Showcase — styles
   Dark theme, mobile-responsive, respects prefers-reduced-motion globally.
--------------------------------------------------------------------- */

:root {
  --bg: #0a0a0e;
  --bg-raised: #131319;
  --bg-card: #16161d;
  --border: rgba(255, 255, 255, 0.09);
  --text: #f5f5f7;
  --text-dim: #a6a6b3;
  --text-dimmer: #7a7a87;
  --accent: #ffcf5c;
  --accent-2: #7c9fff;
  --accent-3: #ff6b57;
  --ok: #6bd08a;
  --radius: 14px;
  --maxw: 1180px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent-2);
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Nav ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 14, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: 16px;
}

.site-nav .brand {
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: 15px;
  white-space: nowrap;
}

.site-nav .brand span {
  color: var(--accent);
}

.site-nav .links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.site-nav .links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 8px;
  white-space: nowrap;
}

.site-nav .links a:hover,
.site-nav .links a:focus-visible {
  color: var(--text);
  background: var(--bg-raised);
}

/* ---------- Hero ---------- */

.hero {
  padding: 64px 0 44px;
  border-bottom: 1px solid var(--border);
}

.hero .eyebrow {
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.hero h1 {
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  max-width: 18ch;
}

.hero p {
  color: var(--text-dim);
  font-size: 17px;
  max-width: 62ch;
  margin: 0 0 8px;
}

.hero .hero-meta {
  color: var(--text-dimmer);
  font-size: 13px;
  margin-top: 18px;
}

/* ---------- Section shell ---------- */

.section {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}

.section-head {
  margin-bottom: 28px;
}

.section-kicker {
  color: var(--text-dimmer);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 8px;
}

.section-head h2 {
  font-size: clamp(22px, 3.4vw, 30px);
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.section-head p {
  color: var(--text-dim);
  max-width: 74ch;
  margin: 0;
  font-size: 15px;
}

.subsection {
  margin-top: 44px;
}

.subsection h3 {
  font-size: 18px;
  margin: 0 0 6px;
}

.subsection > p.sub-desc {
  color: var(--text-dim);
  font-size: 14px;
  max-width: 70ch;
  margin: 0 0 20px;
}

/* ---------- Demo grid (Section A) ---------- */

.demo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.demo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.demo-card h4 {
  margin: 0;
  font-size: 15px;
}

.demo-stage {
  background: #0d0d12;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  min-height: 132px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 18px;
  flex-wrap: wrap;
}

.demo-caption {
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.5;
  margin: 0;
}

.demo-caption strong {
  color: var(--text);
}

/* micro-interaction demo */

.mi-btn {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 12px 22px;
  background: var(--accent-2);
  color: #0a0a14;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: transform 150ms cubic-bezier(0.16, 1, 0.3, 1);
}

.mi-btn:active {
  transform: scale(0.96);
}

.mi-like {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  border-radius: 999px;
  width: 46px;
  height: 46px;
  font-size: 20px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mi-like[data-liked="true"] {
  border-color: var(--accent-3);
}

.mi-like .icon {
  display: inline-block;
}

.mi-like[data-liked="true"] .icon {
  animation: like-pop 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes like-pop {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.3);
  }
  100% {
    transform: scale(1);
  }
}

/* view-transitions demo */

.vt-stage {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.vt-panel {
  width: 100%;
  max-width: 280px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  min-height: 74px;
}

.vt-panel .vt-list-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
}

.vt-panel .vt-list-item:last-child {
  border-bottom: none;
}

.vt-detail-title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 6px;
}

.vt-detail-body {
  font-size: 13px;
  color: var(--text-dim);
}

.vt-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.vt-fallback-note {
  font-size: 11px;
  color: var(--text-dimmer);
}

/* compositor-safe vs janky demo */

.perf-stage {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.perf-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.perf-track {
  position: relative;
  flex: 1;
  height: 34px;
  background: var(--bg-raised);
  border-radius: 8px;
  overflow: hidden;
}

.perf-chip {
  position: absolute;
  top: 3px;
  left: 3px;
  height: 28px;
  width: 28px;
  border-radius: 8px;
  background: var(--ok);
}

.perf-chip.janky {
  background: var(--accent-3);
}

.perf-label {
  font-size: 11px;
  font-weight: 700;
  width: 96px;
  color: var(--text-dim);
  flex: none;
}

.perf-toggle {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  align-self: flex-start;
}

/* reduced motion demo */

.rm-stage {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.rm-orbit-wrap {
  width: 100%;
  height: 84px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rm-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  animation: rm-spin 2.4s linear infinite;
  transform-origin: 60px center;
}

.rm-orbit-wrap.reduced-motion .rm-dot {
  animation: none;
  transform: translateX(0);
}

@keyframes rm-spin {
  from {
    transform: rotate(0deg) translateX(60px) rotate(0deg);
  }
  to {
    transform: rotate(360deg) translateX(60px) rotate(-360deg);
  }
}

.rm-toggle {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.rm-status {
  font-size: 12px;
  color: var(--text-dimmer);
}

/* ---------- Video embeds ---------- */

.video-feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.video-feature video {
  width: 100%;
  background: #000;
}

.video-feature .video-body {
  padding: 18px 20px;
}

.video-feature h4 {
  margin: 0 0 6px;
  font-size: 16px;
}

.video-feature p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
}

.blueprint-video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

/* ---------- Blueprint text cards (18 remaining) ---------- */

.bp-role-group {
  margin-bottom: 28px;
}

.bp-role-group h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dimmer);
  margin: 0 0 12px;
}

.bp-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.bp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.bp-card .bp-name {
  font-weight: 700;
  font-size: 14px;
  margin: 0 0 4px;
}

.bp-card .bp-duration {
  font-size: 11px;
  color: var(--text-dimmer);
  margin: 0 0 8px;
}

.bp-card .bp-desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0 0 10px;
}

.bp-card .bp-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.bp-tag {
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--bg-raised);
  color: var(--text-dimmer);
  border: 1px solid var(--border);
}

/* ---------- Section C: registry catalog ---------- */

.catalog-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 22px;
  position: sticky;
  top: 56px;
  background: var(--bg);
  padding: 14px 0;
  z-index: 20;
}

.catalog-search {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  font-size: 15px;
}

.catalog-search:focus {
  outline: 2px solid var(--accent-2);
  outline-offset: 1px;
}

.catalog-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.type-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  flex: none;
}

.type-toggle button {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-dim);
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.type-toggle button.active {
  background: var(--accent-2);
  color: #0a0a14;
}

.catalog-count {
  font-size: 12px;
  color: var(--text-dimmer);
  margin-left: auto;
}

.tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-chip {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}

.tag-chip .n {
  color: var(--text-dimmer);
  margin-left: 4px;
}

.tag-chip.active {
  background: var(--accent);
  color: #14140f;
  border-color: var(--accent);
}

.tag-chip.active .n {
  color: rgba(20, 20, 15, 0.6);
}

.catalog-clear {
  appearance: none;
  border: none;
  background: none;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
}

.catalog-note {
  font-size: 13px;
  color: var(--text-dimmer);
  margin: 0 0 22px;
}

.registry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-items: start;
}

.registry-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.registry-card[hidden] {
  display: none;
}

.registry-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
}

.registry-live-preview {
  position: relative;
  width: 100%;
  aspect-ratio: var(--preview-aspect);
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 20%, rgba(124, 159, 255, 0.16), transparent 42%),
    #090b12;
  border-bottom: 1px solid var(--border);
  isolation: isolate;
}

.registry-live-preview iframe {
  position: absolute;
  inset: 0 auto auto 0;
  display: block;
  border: 0;
  transform-origin: top left;
  pointer-events: none;
  z-index: 2;
}

.registry-live-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 12px;
  padding: 20px;
  color: var(--text-dim);
  text-align: center;
  font-size: 13px;
  font-weight: 700;
}

.registry-play-hint {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin: 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  color: var(--accent-2);
  font-size: 12px;
  padding-left: 2px;
}

.registry-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.registry-card-title {
  font-weight: 700;
  font-size: 14px;
  margin: 0;
}

.registry-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  flex: none;
  white-space: nowrap;
}

.registry-badge.block {
  background: rgba(124, 159, 255, 0.16);
  color: var(--accent-2);
}

.registry-badge.component {
  background: rgba(255, 207, 92, 0.16);
  color: var(--accent);
}

.registry-card-desc {
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0;
}

.registry-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.registry-card-name {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dimmer);
  background: var(--bg-raised);
  border-radius: 6px;
  padding: 6px 8px;
  margin-top: auto;
  word-break: break-all;
}

.registry-flag-toggle,
.flagged-copy {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-raised);
  color: var(--text-dim);
  padding: 7px 10px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.registry-flag-toggle:hover,
.registry-flag-toggle:focus-visible,
.flagged-copy:hover,
.flagged-copy:focus-visible {
  border-color: var(--accent-2);
  color: var(--text);
  outline: none;
}

.registry-flag-toggle[aria-pressed="true"] {
  border-color: rgba(255, 207, 92, 0.45);
  background: rgba(255, 207, 92, 0.13);
  color: var(--accent);
}

.flagged-panel {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  width: min(340px, calc(100vw - 32px));
  padding: 14px;
  border: 1px solid rgba(124, 159, 255, 0.4);
  border-radius: 12px;
  background: rgba(18, 20, 29, 0.96);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(12px);
}

.flagged-panel[hidden] {
  display: none;
}

.flagged-panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.flagged-copy {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.flagged-copy-status {
  min-height: 1.2em;
  margin: 8px 0 0;
  color: var(--text-dimmer);
  font-size: 11px;
}

.flagged-fallback {
  width: 100%;
  min-height: 96px;
  margin-top: 8px;
  padding: 8px;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #090b12;
  color: var(--text);
  font: 11px/1.45 var(--mono);
}

.no-results {
  color: var(--text-dimmer);
  font-size: 14px;
  padding: 40px 0;
  text-align: center;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 32px 0 64px;
  color: var(--text-dimmer);
  font-size: 12px;
}

/* ---------- prefers-reduced-motion: global baseline ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .demo-grid {
    grid-template-columns: 1fr;
  }
  .blueprint-video-grid {
    grid-template-columns: 1fr;
  }
  .bp-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .registry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .wrap {
    padding: 0 16px;
  }
  .site-nav .links {
    gap: 2px;
  }
  .site-nav .links a {
    padding: 6px 8px;
    font-size: 12px;
  }
  .hero {
    padding: 40px 0 32px;
  }
  .section {
    padding: 40px 0;
  }
  .bp-card-grid {
    grid-template-columns: 1fr;
  }
  .registry-grid {
    grid-template-columns: 1fr;
  }
  .catalog-controls {
    top: 0;
  }
  .catalog-count {
    margin-left: 0;
    width: 100%;
  }
}