:root {
  --bg-primary: #0a0b0e;
  --bg-secondary: #12141a;
  --bg-card: rgba(22, 25, 35, 0.7);
  --bg-card-hover: rgba(30, 34, 48, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 240, 255, 0.4);
  --accent-cyan: #00f0ff;
  --accent-cyan-glow: rgba(0, 240, 255, 0.35);
  --accent-purple: #9d4edd;
  --accent-purple-glow: rgba(157, 78, 221, 0.4);
  --accent-magenta: #e0218a;
  --text-main: #f0f3f8;
  --text-muted: #9ba3b4;
  --text-dim: #646d82;
  --meter-green: #00ff66;
  --meter-yellow: #ffcc00;
  --meter-red: #ff3344;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(157, 78, 221, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 25%, rgba(0, 240, 255, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(224, 33, 138, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
}

.glass-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 11, 14, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Nav */
.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.logo-img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 0 20px var(--accent-cyan-glow);
}

.logo-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-subtitle {
  font-size: 11px;
  color: var(--accent-purple);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
  margin-top: -3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--accent-cyan);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff 0%, #7b2cbf 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--accent-cyan-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 240, 255, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 12px;
  border-radius: 8px;
}

/* Hero Section */
.hero {
  padding: 90px 0 60px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(157, 78, 221, 0.15);
  border: 1px solid rgba(157, 78, 221, 0.4);
  font-size: 13px;
  font-weight: 600;
  color: #d8b4fe;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 20%, var(--accent-cyan) 65%, var(--accent-magenta) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

/* Web DAW Studio Interactive Section */
.studio-section {
  padding: 20px 0 80px;
}

.studio-card {
  border: 1px solid rgba(0, 240, 255, 0.2);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 240, 255, 0.1);
}

.studio-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(15, 17, 24, 0.95);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 12px;
}

.studio-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff4d4f;
}

.status-dot.active {
  background: #00ff66;
  box-shadow: 0 0 10px #00ff66;
}

.transport-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.t-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.t-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: var(--accent-cyan);
}

.t-btn.active {
  background: var(--accent-cyan);
  color: #000;
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.t-btn.record-btn.active {
  background: var(--accent-magenta);
  color: #fff;
  box-shadow: 0 0 15px rgba(224, 33, 138, 0.6);
}

.timecode-display {
  background: #000;
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 6px 14px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-cyan);
  letter-spacing: 1px;
}

.tempo-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.tempo-slider {
  accent-color: var(--accent-cyan);
  cursor: pointer;
  width: 90px;
}

/* Multitrack Workspace */
.multitrack-container {
  display: flex;
  flex-direction: column;
  background: #0b0d13;
  padding: 16px;
  gap: 12px;
}

.track-row {
  display: grid;
  grid-template-columns: 240px 1fr 140px;
  align-items: center;
  background: rgba(18, 22, 32, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px 16px;
  gap: 16px;
  transition: border-color 0.2s ease;
}

.track-row:hover {
  border-color: rgba(0, 240, 255, 0.25);
}

.track-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.track-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.track-color-pill {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.track-name {
  font-weight: 700;
  font-size: 14px;
  color: #fff;
}

.track-type {
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.track-tools {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.mute-btn, .solo-btn {
  padding: 2px 7px;
  font-size: 10px;
  font-weight: 700;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  cursor: pointer;
}

.mute-btn.active {
  background: #ff3344;
  color: #fff;
  border-color: #ff3344;
}

.solo-btn.active {
  background: #ffcc00;
  color: #000;
  border-color: #ffcc00;
}

.track-waveform-canvas {
  width: 100%;
  height: 48px;
  background: rgba(10, 12, 18, 0.9);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.track-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fader-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.fader-slider {
  width: 100%;
  accent-color: var(--accent-purple);
  cursor: pointer;
}

.fader-readout {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

.meter-bar-wrap {
  width: 12px;
  height: 44px;
  background: #000;
  border-radius: 3px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.meter-level {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, var(--meter-green) 65%, var(--meter-yellow) 85%, var(--meter-red) 100%);
  height: 0%;
  transition: height 0.08s ease;
}

/* Master Strip */
.master-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(12, 14, 20, 0.95);
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 16px;
}

.master-info {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  font-weight: 600;
}

.master-fader-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Download Section */
.section {
  padding: 90px 0;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-title {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.download-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.download-card.highlight {
  border-color: var(--accent-cyan);
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.08) 0%, rgba(22, 25, 35, 0.8) 100%);
}

.download-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.os-badge {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.download-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.download-card p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
  flex: 1;
}

.dl-details {
  list-style: none;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.dl-details li {
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Feature Cards */
.feature-card {
  padding: 28px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(157, 78, 221, 0.4);
  transform: translateY(-3px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}

.feature-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-box {
  background: #141721;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.modal-body h4 {
  color: #fff;
  margin: 16px 0 6px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 50px 0 30px;
  background: #07080a;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 30px;
}

.footer-copy {
  color: var(--text-dim);
  font-size: 13px;
}

/* Responsive */
@media (max-width: 860px) {
  .track-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .nav-links {
    display: none;
  }
}