:root {
  --bg: #02060b;
  --panel: rgba(7, 17, 29, 0.92);
  --panel-2: rgba(9, 24, 38, 0.88);
  --line: rgba(55, 218, 255, 0.2);
  --line-strong: rgba(80, 240, 255, 0.7);
  --text: #e8fbff;
  --muted: #9ab4c4;
  --cyan: #22e5ff;
  --green: #8cff45;
  --violet: #a85cff;
  --danger: #ff4f66;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  background:
    linear-gradient(rgba(2, 6, 11, 0.78), rgba(2, 6, 11, 0.96)),
    url("assets/brand/north3rnlight3r-background.jpg") top center / cover fixed,
    var(--bg);
  color: var(--text);
}

a { color: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(2, 8, 15, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--line-strong);
}

.brand strong,
h1,
h2,
h3,
.eyebrow {
  font-family: "Orbitron", system-ui, sans-serif;
  letter-spacing: 0;
}

.brand small {
  display: block;
  color: var(--muted);
  margin-top: 2px;
}

nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
}

nav a:hover {
  color: var(--text);
  border-color: var(--line);
}

main {
  width: min(1220px, calc(100% - 28px));
  margin: 0 auto;
  display: grid;
  gap: 18px;
  padding: 18px 0 28px;
}

section,
.player,
.catalog-card,
.feature-grid article,
.release-panel,
.visualizer-shell,
.analysis-readout,
.metric-list article {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), rgba(3, 9, 16, 0.92));
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
}

section { padding: 22px; }

.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  align-items: center;
  gap: 22px;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(2.4rem, 5vw, 5.3rem);
  line-height: 0.98;
  margin: 0;
}

.hero p,
.split p,
.section-head p,
.chat-panel p {
  color: var(--muted);
  line-height: 1.6;
  max-width: 64ch;
}

.hero-art img {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.eyebrow {
  color: var(--green);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.actions,
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 10px 15px;
  background: linear-gradient(130deg, var(--cyan), var(--green));
  color: #03111a;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.btn.ghost {
  background: rgba(7, 21, 34, 0.74);
  color: var(--text);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: start;
}

.feature-grid,
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}

.feature-grid article,
.catalog-card {
  padding: 16px;
}

.feature-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--cyan);
}

.feature-grid span,
.catalog-card p,
.release-panel span {
  color: var(--muted);
  line-height: 1.5;
}

.release-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
  margin-top: 14px;
}

.player {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr);
  gap: 16px;
  align-items: center;
  padding: 16px;
  margin: 18px 0;
}

audio { width: 100%; }

.hidden-input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.analyzer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 16px;
  align-items: stretch;
  margin-top: 18px;
}

.visualizer-shell {
  padding: 10px;
  min-height: 340px;
  background:
    linear-gradient(180deg, rgba(2, 9, 15, 0.94), rgba(0, 0, 0, 0.96)),
    repeating-linear-gradient(90deg, rgba(34, 229, 255, 0.08) 0 1px, transparent 1px 42px);
}

#spectral-canvas {
  width: 100%;
  height: 100%;
  min-height: 300px;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.analysis-readout {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.analysis-readout h3 {
  margin: 0;
}

.analysis-readout p {
  color: var(--muted);
  line-height: 1.5;
}

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

.metric-list article {
  padding: 12px;
}

.metric-list span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}

.metric-list strong {
  display: block;
  margin-top: 4px;
  color: var(--green);
  font-family: "Orbitron", system-ui, sans-serif;
  letter-spacing: 0;
}

#analysis-result {
  min-height: 160px;
  white-space: pre-wrap;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(1, 5, 10, 0.92);
  color: var(--text);
  padding: 12px;
  overflow: auto;
}

.catalog-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #02060b;
}

.catalog-card h3 {
  min-height: 2.7em;
  margin-bottom: 8px;
}

.card-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.download-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.download-strip a {
  border: 1px solid rgba(123, 247, 255, 0.36);
  border-radius: 8px;
  color: #eafcff;
  padding: 9px 12px;
  text-decoration: none;
  background: rgba(4, 16, 26, 0.72);
}

.chat-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 16px;
}

.chat-panel pre {
  grid-column: 1 / -1;
  white-space: pre-wrap;
  min-height: 90px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(1, 5, 10, 0.92);
  color: var(--text);
}

input,
textarea {
  width: 100%;
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(2, 8, 15, 0.95);
  color: var(--text);
  padding: 12px;
  font: inherit;
}

footer {
  width: min(1220px, calc(100% - 28px));
  margin: 0 auto;
  padding: 0 0 28px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  nav { display: none; }
  .hero,
  .split,
  .player,
  .chat-panel,
  .analyzer-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: auto;
  }
  .hero h1 {
    max-width: 14ch;
  }
}