:root {
  --black: #090909;
  --dark: #151515;
  --ink: #101216;
  --steel: #35404a;
  --blue: #1f5d86;
  --gold: #b08a3a;
  --lime: #c2ff00;
  --warm: #f4f1eb;
  --bg: #f3f1eb;
  --bg2: #e7e9e8;
  --panel: #ffffff;
  --text: #101216;
  --muted: #565b61;
  --faint: #8a8f93;
  --border: #d8d9d6;
  --shadow: 0 2px 16px rgba(0, 0, 0, .06), 0 .5px 2px rgba(0, 0, 0, .04);
  --r: 8px;
  --max: 1240px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  color: var(--text);
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.wrap { width: min(var(--max), calc(100% - 32px)); margin: auto; }

.topbar-wrap {
  padding: 16px 0 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 18px;
  border-radius: var(--r);
  border: .5px solid rgba(255, 255, 255, .1);
  background: rgba(9, 9, 9, .94);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, .18);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 12px rgba(194, 255, 0, .55);
  flex-shrink: 0;
}
.brand-text {
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--warm);
  white-space: nowrap;
}
.topnav { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.topnav a {
  font-size: 11px;
  padding: 8px 11px;
  border: .5px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  color: rgba(244, 241, 235, .78);
}
.topnav a:hover { color: var(--lime); border-color: rgba(194, 255, 0, .4); }
.topnav a.nav-highlight {
  background: var(--lime);
  color: var(--black);
  border-color: var(--lime);
  font-weight: 850;
}

.hero {
  padding: 88px 0 68px;
  background: linear-gradient(180deg, #0a0a0a, #141414);
  color: var(--warm);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
}
.kicker {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: #a09280;
  margin-bottom: 18px;
}
h1 {
  font-size: clamp(44px, 6vw, 78px);
  line-height: .94;
  letter-spacing: -.025em;
  margin: 0 0 26px;
  font-weight: 900;
}
.lead {
  font-size: 22px;
  color: #d9d2ca;
  max-width: 780px;
  line-height: 1.5;
}
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn, .button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  border-radius: 999px;
  padding: 13px 18px;
  border: 1px solid #2a2a28;
  background: #151515;
  color: var(--warm);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 800;
  min-height: 44px;
}
.btn.primary, .button-link {
  background: var(--lime);
  color: #000;
  border-color: var(--lime);
}
.button-link.secondary {
  background: rgba(255, 255, 255, .04);
  color: var(--warm);
  border-color: rgba(255, 255, 255, .12);
}
.hero-panel {
  min-height: 520px;
  border: 1px solid #2a2a28;
  border-radius: var(--r);
  background:
    linear-gradient(180deg, rgba(10, 10, 10, .16), rgba(10, 10, 10, .92)),
    radial-gradient(circle at 68% 24%, rgba(194, 255, 0, .24), transparent 30%),
    linear-gradient(135deg, #202020, #0d0d0d);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.hero-panel strong {
  display: block;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1;
  margin-bottom: 14px;
}
.hero-panel p { color: #d9d2ca; font-size: 20px; margin: 0; }
.hero-bars {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: end;
  gap: 10px;
  height: 160px;
  margin-top: 34px;
}
.hero-bars span {
  height: var(--height);
  min-height: 24px;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--lime), var(--gold));
}

.strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: #2a2a28;
  border-top: 1px solid #2a2a28;
  border-bottom: 1px solid #2a2a28;
}
.strip > div { background: #101010; color: var(--warm); padding: 25px; }
.num { font-size: 34px; font-weight: 900; letter-spacing: 0; }
.cap { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: #aaa; }

.section { padding: 64px 0 52px; background: var(--bg); border-top: 1px solid var(--border); }
.section.alt { background: var(--bg2); }
.section.dark { background: var(--black); color: var(--warm); }
.section-header {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 28px;
  align-items: end;
  margin-bottom: 24px;
}
.kicker-pill {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  border: .5px solid rgba(31, 93, 134, .22);
  background: rgba(31, 93, 134, .08);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue);
}
.dark .kicker-pill {
  border-color: rgba(194, 255, 0, .24);
  background: rgba(194, 255, 0, .08);
  color: var(--lime);
}
h2 {
  margin: 12px 0 0;
  font-size: clamp(32px, 4.5vw, 58px);
  line-height: .98;
  letter-spacing: -.025em;
  font-weight: 900;
}
.section-copy {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
  max-width: 760px;
}
.dark .section-copy { color: rgba(244, 241, 235, .68); }

.workbench, .sonos-grid, .learning-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 14px;
  align-items: start;
}
.director-form, .recommendation, .sonos-panel, .card {
  padding: 22px;
  border-radius: var(--r);
  border: .5px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.dark .sonos-panel {
  background: rgba(255, 255, 255, .045);
  border-color: rgba(255, 255, 255, .12);
  box-shadow: none;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.form-field { display: grid; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-label, .card-label {
  font-size: 9px;
  font-weight: 750;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}
.card-label { display: block; margin: 18px 0 7px; }
.card-label:first-child { margin-top: 0; }
.form-field input, .form-field select, .form-field textarea, .director-form select {
  width: 100%;
  border: .5px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: var(--r);
  padding: 12px 14px;
  font-size: 13px;
  outline: none;
}
.form-field textarea { min-height: 148px; resize: vertical; line-height: 1.5; }
input[type="range"] { accent-color: var(--lime); padding-inline: 0; }
.mode-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 18px 0;
}
.mode-buttons button {
  border: .5px solid var(--border);
  border-radius: 999px;
  background: #fff;
  padding: 9px 12px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.mode-buttons button:hover { border-color: var(--blue); }
.director-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.application-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  border: none;
  background: var(--black);
  color: var(--warm);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.recommendation h3, .card h3, .sonos-panel h3 {
  margin: 0 0 12px;
  font-size: 26px;
  line-height: 1.08;
  letter-spacing: -.02em;
}
.recommendation p, .card p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.director-playback {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: .5px solid var(--border);
}
.inline-results {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: .5px solid var(--border);
}
.inline-results-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}
.inline-results-heading h3 {
  margin-bottom: 0;
  font-size: 20px;
}
.mini-actions, .playlist-action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.playlist-action-bar .application-cta,
.playlist-action-bar .button-link,
.mini-actions .button-link {
  padding: 9px 12px;
  font-size: 10px;
}
.small-director-note {
  margin: 0;
  color: var(--faint);
  font-size: 12px;
  line-height: 1.6;
}
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 14px 0 18px;
}
.metric-grid div {
  border: .5px solid var(--border);
  border-radius: var(--r);
  background: var(--bg);
  padding: 14px;
}
.metric-grid span {
  display: block;
  color: var(--faint);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.metric-grid strong { display: block; margin-top: 8px; font-size: 26px; }

.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.all-volume {
  display: grid;
  grid-template-columns: 1fr minmax(180px, 320px) 48px;
  gap: 14px;
  align-items: center;
  margin-bottom: 16px;
  padding: 14px;
  border-radius: var(--r);
  border: .5px solid rgba(194, 255, 0, .28);
  background: rgba(194, 255, 0, .08);
}
.all-volume label {
  color: var(--warm);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.all-volume output {
  color: var(--lime);
  font-weight: 900;
  text-align: right;
}
.speaker-list { display: grid; gap: 10px; }
.speaker {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 14px;
  border-radius: var(--r);
  border: .5px solid rgba(255, 255, 255, .12);
  background: rgba(255, 255, 255, .045);
}
.speaker strong { color: var(--warm); }
.speaker small, .muted, .small-note { color: rgba(244, 241, 235, .64); line-height: 1.6; }
.speaker input { width: 140px; accent-color: var(--lime); }
.dark .form-field input, .dark .form-field select {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .16);
  color: var(--warm);
}
.playback-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.result-list, .compact-list {
  display: grid;
  gap: 8px;
  max-height: 360px;
  overflow: auto;
}
.result-row, .compact-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px;
  border: .5px solid rgba(255, 255, 255, .12);
  border-radius: var(--r);
  background: rgba(255, 255, 255, .045);
}
.compact-row { grid-template-columns: 1fr; }
.result-row strong, .compact-row strong {
  display: block;
  color: var(--warm);
  font-size: 13px;
  line-height: 1.25;
}
.result-row small, .compact-row small {
  display: block;
  margin-top: 4px;
  color: rgba(244, 241, 235, .62);
  line-height: 1.45;
}
.result-row input { margin-top: 2px; accent-color: var(--lime); }
.recommendation .muted.light { color: var(--muted); }
.light-results {
  max-height: 300px;
  padding-right: 4px;
}
.recommendation .result-row {
  border-color: var(--border);
  background: var(--bg);
}
.recommendation .result-row strong { color: var(--text); }
.recommendation .result-row small { color: var(--muted); }

.learning-grid { grid-template-columns: 1fr .8fr; }
.learning-grid .card .application-cta { margin-top: 16px; }

.site-footer { background: var(--black); padding: 2.5rem 0 1.5rem; }
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.footer-brand { display: flex; align-items: center; gap: 8px; }
.footer-brand .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}
.footer-brand-text {
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--warm);
}
.footer-nav {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 10px;
  font-weight: 650;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(176, 138, 58, .82);
}
.footer-meta {
  text-align: right;
  font-size: 10px;
  color: rgba(176, 138, 58, .52);
}

@media (max-width: 980px) {
  .hero-grid, .section-header, .workbench, .sonos-grid, .learning-grid, .footer-inner {
    grid-template-columns: 1fr;
  }
  .topbar { align-items: flex-start; flex-direction: column; }
  .topnav { justify-content: flex-start; }
  .hero-panel { min-height: 360px; }
  .footer-meta { text-align: center; }
  .footer-inner { text-align: center; }
  .footer-brand { justify-content: center; }
}

@media (max-width: 640px) {
  .wrap { width: min(var(--max), calc(100% - 20px)); }
  .hero { padding: 54px 0 42px; }
  h1 { font-size: clamp(40px, 13vw, 54px); }
  .lead { font-size: 18px; }
  .strip, .form-grid, .metric-grid { grid-template-columns: 1fr; }
  .btn, .application-cta, .button-link { width: 100%; }
  .panel-heading { flex-direction: column; }
  .speaker { grid-template-columns: 1fr; }
  .all-volume { grid-template-columns: 1fr; }
  .all-volume output { text-align: left; }
  .speaker input { width: 100%; }
}