/* =========================================================================
   J.BARTEE // MUSIC MACHINES
   Design language: vintage instrument panel / electronics lab manual.
   Dark graphite surfaces, cream ink, one signature phosphor-amber accent,
   plus a distinct accent color per instrument card. Restrained motion.
   ========================================================================= */

:root {
  --bg: #0a0a0c;
  --bg-raised: #131316;
  --bg-card: #17171b;
  --bg-scope: #0c1210;

  --border: #2a2a30;
  --border-soft: #1e1e23;
  --border-strong: #3a3a42;

  --text: #ece6d8;
  --text-dim: #9d9a92;
  --text-faint: #87847b;

  --accent: #e2872f;
  --accent-soft: rgba(226, 135, 47, 0.14);
  --accent-line: rgba(226, 135, 47, 0.4);

  --scope-trace: #7ee0a8;

  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", "Menlo", "Cascadia Code", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --container: 1320px;
  --radius: 10px;
  --radius-sm: 6px;

  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ---------- reset ---------- */
* {
  box-sizing: border-box;
}
html {
  color-scheme: dark;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
h1, h2, h3, p, ul {
  margin: 0;
}
ul {
  padding: 0;
  list-style: none;
}
button {
  font: inherit;
  color: inherit;
}

/* subtle grain so flat panels don't look sterile */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #14100a;
  padding: 10px 16px;
  z-index: 1000;
  font-family: var(--mono);
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- site header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(10, 10, 12, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.14em;
}
.brand .led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  animation: blink 3.2s ease-in-out infinite;
  flex-shrink: 0;
}
@media (prefers-reduced-motion: reduce) {
  .brand .led {
    animation: none;
  }
}
@keyframes blink {
  0%, 92%, 100% { opacity: 1; }
  95% { opacity: 0.35; }
}
.header-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.header-link:hover,
.header-link:focus-visible {
  color: var(--text);
  border-color: var(--border-strong);
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 76px 0 56px;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 42px 42px;
  background-position: center -1px;
  -webkit-mask-image: linear-gradient(to bottom, black 55%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 55%, transparent 100%);
}
.hero-inner {
  position: relative;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1 {
  font-family: var(--mono);
  line-height: 1.05;
  font-weight: 700;
}
.hero h1 .pre {
  display: block;
  font-size: clamp(15px, 2vw, 20px);
  letter-spacing: 0.1em;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 10px;
}
.hero h1 .main {
  display: block;
  font-size: clamp(40px, 7.4vw, 92px);
  letter-spacing: -0.01em;
  color: var(--text);
}
.hero-sub {
  margin-top: 22px;
  max-width: 640px;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--text-dim);
  line-height: 1.6;
}
.status-line {
  margin-top: 28px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 999px;
}
.status-line strong {
  color: var(--scope-trace);
  font-weight: 600;
}
.status-line .sep {
  color: var(--border-strong);
}

.scope {
  margin-top: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-scope);
  overflow: hidden;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.5);
}
.scope canvas {
  display: block;
  width: 100%;
  height: 96px;
}

/* ---------- collection section ---------- */
.collection {
  padding: 12px 0 24px;
}
.collection-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
  padding-top: 56px;
  border-top: 1px solid var(--border-soft);
}
.collection-head h2 {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--text-faint);
  text-transform: uppercase;
}
.collection-head .count {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 26px;
}

/* ---------- card ---------- */
.card {
  --card-accent: var(--accent);
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.card:hover,
.card:focus-within {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--card-accent) 55%, var(--border-strong));
  box-shadow: 0 18px 40px -20px rgba(0, 0, 0, 0.6), 0 0 0 1px color-mix(in srgb, var(--card-accent) 22%, transparent);
}
@media (prefers-reduced-motion: reduce) {
  .card {
    transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
  }
  .card:hover,
  .card:focus-within {
    transform: none;
  }
}

.card-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9.3;
  background: #050506;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.4s var(--ease), filter 0.4s var(--ease);
  filter: saturate(0.96);
}
.card:hover .card-media img,
.card:focus-within .card-media img {
  transform: scale(1.035);
  filter: saturate(1.05);
}
@media (prefers-reduced-motion: reduce) {
  .card-media img {
    transition: filter 0.4s var(--ease);
  }
  .card:hover .card-media img,
  .card:focus-within .card-media img {
    transform: none;
  }
}
.card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 5, 6, 0.88) 0%, rgba(5, 5, 6, 0.15) 42%, transparent 65%);
  pointer-events: none;
}
.card-category {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--card-accent);
  background: rgba(8, 8, 9, 0.7);
  border: 1px solid color-mix(in srgb, var(--card-accent) 40%, var(--border));
  padding: 5px 10px;
  border-radius: 999px;
}
.card-indicator {
  position: absolute;
  right: 14px;
  top: 14px;
  z-index: 2;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #3a3a3f;
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.35);
  transition: background 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.card:hover .card-indicator,
.card:focus-within .card-indicator {
  background: var(--card-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--card-accent) 25%, transparent), 0 0 14px color-mix(in srgb, var(--card-accent) 70%, transparent);
}

.card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px 22px 22px;
  gap: 12px;
}
.card-title {
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
}
.card-tagline {
  font-size: 14.5px;
  color: var(--text-dim);
  line-height: 1.55;
}
.card-description {
  font-size: 13.5px;
  color: var(--text-faint);
  line-height: 1.6;
}
.card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 2px;
}
.card-tech li {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.03em;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
}
.card-note {
  font-size: 11.5px;
  color: var(--text-faint);
  font-style: italic;
}
.card-actions {
  margin-top: auto;
  padding-top: 14px;
  display: flex;
  gap: 10px;
}
.btn {
  flex: 1;
  text-align: center;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease), transform 0.12s var(--ease);
}
.btn:active {
  transform: scale(0.97);
}
.btn-primary {
  background: var(--card-accent);
  color: #14100a;
  border: 1px solid var(--card-accent);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  filter: brightness(1.08);
}
.btn-secondary {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border-strong);
}
.btn-secondary:hover,
.btn-secondary:focus-visible {
  color: var(--text);
  border-color: var(--card-accent);
}
.btn-disabled {
  flex: 1;
  text-align: center;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-faint);
  border: 1px dashed var(--border);
  cursor: not-allowed;
}

/* reveal-on-scroll (very restrained) */
.card {
  opacity: 1;
  transform: none;
}
.card.js-pre-reveal {
  opacity: 0;
  transform: translateY(14px);
}
.card.js-revealed {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 40px 0 56px;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-brand {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}
.footer-brand span {
  display: block;
  margin-top: 4px;
  font-family: var(--sans);
  letter-spacing: normal;
  font-size: 13px;
  color: var(--text-faint);
}
.footer-link {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 2px;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.footer-link:hover,
.footer-link:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- header nav ---------- */
.header-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

/* ---------- native plugins ---------- */
.plugins {
  padding: 40px 0 100px;
  /* clears the sticky header when jumped to via #plugins */
  scroll-margin-top: 64px;
}
.plugins-intro {
  max-width: 74ch;
  margin: -8px 0 30px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-dim);
}

.plugin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 20px;
}

.plugin {
  --card-accent: var(--accent);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 22px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.plugin:hover,
.plugin:focus-within {
  border-color: color-mix(in srgb, var(--card-accent) 55%, var(--border-strong));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--card-accent) 22%, transparent);
}

.plugin-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.plugin-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--card-accent);
  box-shadow: 0 0 8px color-mix(in srgb, var(--card-accent) 70%, transparent);
  flex: none;
}
.plugin-title {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
}
.plugin-category {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 9px;
  white-space: nowrap;
}

.plugin-description {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

.plugin-formats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.plugin-formats li {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  background: var(--bg-raised);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
}

.plugin-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 4px;
}
.plugin-actions .btn {
  flex: 0 1 auto;
  min-width: 170px;
}
.plugin-size {
  font-weight: 500;
  opacity: 0.75;
}
.plugin-weblink {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  transition: color 0.15s var(--ease);
}
.plugin-weblink:hover,
.plugin-weblink:focus-visible {
  color: var(--card-accent);
}

.plugin-meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  border-top: 1px solid var(--border-soft);
  padding-top: 12px;
  margin-top: auto;
}

/* ---------- install note ---------- */
.install-note {
  margin-top: 26px;
  background: var(--bg-raised);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}
.install-note summary {
  cursor: pointer;
  padding: 16px 20px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  list-style: none;
}
.install-note summary::-webkit-details-marker {
  display: none;
}
.install-note summary::before {
  content: "+";
  display: inline-block;
  width: 16px;
  color: var(--accent);
  font-weight: 700;
}
.install-note[open] summary::before {
  content: "\2212";
}
.install-note summary:hover,
.install-note summary:focus-visible {
  color: var(--text);
}
.install-body {
  padding: 0 20px 20px 36px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-dim);
  max-width: 80ch;
}
.install-body p + p,
.install-body ol,
.install-body pre {
  margin-top: 12px;
}
.install-body ol {
  padding-left: 20px;
  list-style: decimal;
}
.install-body li {
  margin-bottom: 4px;
}
.install-body code {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  padding: 1px 5px;
}
.install-body pre {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  overflow-x: auto;
}
.install-body pre code {
  border: 0;
  background: none;
  padding: 0;
  white-space: pre;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .wrap {
    padding: 0 20px;
  }
  .hero {
    padding: 56px 0 44px;
  }
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
  }
  .plugin-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}
@media (max-width: 620px) {
  .site-header .wrap {
    height: 58px;
  }
  .header-link span {
    display: none;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .plugin-grid {
    grid-template-columns: 1fr;
  }
  .plugin-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .plugin-actions .btn {
    min-width: 0;
  }
  .header-nav {
    gap: 14px;
  }
  .card-body {
    padding: 18px 18px 20px;
  }
  .status-line {
    flex-wrap: wrap;
  }
  .collection-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}