/* ==========================================================================
   Volumy — Koonsulty Dark Glassmorphic Design System
   volumy.koonsulty.com
   ========================================================================== */

:root {
  --bg-canvas: #06080e;
  --bg-card: rgba(18, 24, 38, 0.65);
  --bg-card-hover: rgba(26, 34, 52, 0.75);
  --bg-elevated: rgba(14, 19, 31, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-bright: rgba(255, 255, 255, 0.18);
  --border-glow: rgba(99, 102, 241, 0.4);

  --accent-primary: #6366f1;
  --accent-violet: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --glass-blur: blur(20px) saturate(190%);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border-subtle);
  --shadow-glow: 0 0 50px -10px rgba(99, 102, 241, 0.35);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Helvetica Neue", sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Background Atmospheric Radial Mesh */
.atmospheric-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  background: 
    radial-gradient(circle at 15% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
    #06080e;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  background: rgba(6, 8, 14, 0.75);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-violet));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  border: 1px solid rgba(99, 102, 241, 0.3);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-violet));
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-bright);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

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

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 24px;
}

.hero-pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 70%, var(--accent-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 740px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Simulator Section (Live In-Browser Mixer) */
.simulator-section {
  padding: 40px 0 80px;
}

.simulator-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.simulator-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.simulator-title-group h3 {
  font-size: 1.35rem;
  font-weight: 700;
}

.simulator-title-group p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

.play-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.35);
  cursor: pointer;
  transition: all 0.2s ease;
}

.play-toggle-btn:hover {
  background: rgba(16, 185, 129, 0.25);
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
}

.play-toggle-btn.active {
  background: rgba(244, 63, 94, 0.18);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.4);
}

/* Mixer Grid */
.mixer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.app-strip {
  background: rgba(10, 14, 23, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.app-strip:hover {
  border-color: var(--border-bright);
}

.strip-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.strip-app-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.strip-icon {
  font-size: 1.4rem;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
}

.strip-text .app-name {
  font-size: 0.95rem;
  font-weight: 600;
  display: block;
}

.strip-text .app-badge {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.strip-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mute-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.mute-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.12);
}

.mute-btn.muted {
  background: rgba(244, 63, 94, 0.2);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.4);
}

/* Slider Component */
.slider-group {
  margin-top: 10px;
}

.slider-readout {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.slider-track-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.custom-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  outline: none;
  cursor: pointer;
  transition: background 0.15s;
}

.custom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.custom-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.unity-notch {
  position: absolute;
  left: 66.66%; /* 100% / 150% = 66.66% */
  width: 2px;
  height: 12px;
  background: rgba(255, 255, 255, 0.35);
  pointer-events: none;
}

/* VU Meter */
.vu-meter {
  display: flex;
  gap: 2px;
  height: 28px;
  width: 8px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 3px;
  padding: 1px;
}

.vu-bar {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.vu-bar-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(to top, #10b981 0%, #06b6d4 60%, #f59e0b 85%, #f43f5e 100%);
  border-radius: 2px;
  transition: height 0.06s ease;
}

/* Equalizer Panel */
.eq-panel {
  background: rgba(10, 14, 23, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.eq-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.eq-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.eq-presets-wrap {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.eq-preset-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.eq-preset-btn.active, .eq-preset-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  color: var(--accent-primary);
  border-color: rgba(99, 102, 241, 0.4);
}

.eq-faders-container {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 8px;
  text-align: center;
}

.eq-fader-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.eq-val {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.eq-vertical-slider {
  -webkit-appearance: slider-vertical;
  appearance: slider-vertical;
  writing-mode: vertical-lr;
  direction: rtl;
  width: 8px;
  height: 90px;
  cursor: pointer;
}

.eq-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Features Grid */
.features-section {
  padding: 80px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 50px;
}

.section-tag {
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.05rem;
}

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

.feature-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-bright);
  box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.4);
}

.feature-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-card h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Comparison Table */
.comparison-section {
  padding: 80px 0;
}

.comparison-table-wrap {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.95rem;
}

.comparison-table th {
  background: rgba(255, 255, 255, 0.02);
  font-weight: 700;
  color: var(--text-primary);
}

.comparison-table th.highlight, .comparison-table td.highlight {
  background: rgba(99, 102, 241, 0.08);
  font-weight: 700;
}

.check {
  color: var(--accent-emerald);
  font-weight: bold;
}

.cross {
  color: var(--text-muted);
}

/* Pricing Section */
.pricing-section {
  padding: 80px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 36px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--accent-primary);
  box-shadow: 0 0 50px -10px rgba(99, 102, 241, 0.35);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-violet));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.03em;
}

.pricing-name {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.pricing-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.price-tag {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 28px;
}

.price-amount {
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.price-period {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.pricing-features li span {
  color: var(--text-primary);
}

/* FAQ */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  cursor: pointer;
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  color: var(--text-secondary);
  margin-top: 10px;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 40px;
  background: rgba(6, 8, 14, 0.9);
}

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

.footer-copy {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .eq-faders-container {
    gap: 4px;
  }
  .eq-vertical-slider {
    height: 70px;
  }
}