/* SoundLyft - Studio Precision CSS */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg-black: #08090d;
  --bg-surface: #0f1118;
  --bg-card: #151822;
  --bg-card-hover: #1b1f2e;
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-active: rgba(0, 245, 212, 0.4);
  --border-meter: rgba(255, 255, 255, 0.14);
  
  --text-main: #f1f5f9;
  --text-dim: #94a3b8;
  --text-muted: #556277;
  
  --phosphor-cyan: #00f5d4;
  --phosphor-cyan-dim: rgba(0, 245, 212, 0.12);
  --vu-amber: #ffb703;
  --peak-red: #ff3366;
  --studio-blue: #3a86ff;
  --accent-purple: #8338ec;
  
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

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

body {
  background-color: var(--bg-black);
  color: var(--text-main);
  font-family: var(--font-display);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(ellipse at 50% 0%, rgba(0, 245, 212, 0.07) 0%, transparent 60%),
    linear-gradient(to bottom, rgba(8, 9, 13, 0.95), #08090d);
  min-height: 100vh;
}

/* Subtle engineering grid background */
.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 900px;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 9, 13, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 18px 0;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 15px rgba(0, 245, 212, 0.2);
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--phosphor-cyan);
  background: var(--phosphor-cyan-dim);
  border: 1px solid rgba(0, 245, 212, 0.3);
  padding: 2px 7px;
  border-radius: 3px;
  text-transform: uppercase;
  margin-left: 6px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-menu a:hover {
  color: #fff;
}

/* Studio Precision Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--phosphor-cyan);
  color: #04080c;
  box-shadow: 0 0 25px rgba(0, 245, 212, 0.35);
  font-weight: 700;
}

.btn-primary:hover {
  background: #25ffdf;
  box-shadow: 0 0 35px rgba(0, 245, 212, 0.6);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn-pro-gold {
  background: linear-gradient(135deg, #ffb703 0%, #fb8500 100%);
  color: #070707;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(255, 183, 3, 0.3);
}

.btn-pro-gold:hover {
  box-shadow: 0 6px 28px rgba(255, 183, 3, 0.5);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding: 80px 0 50px;
  text-align: center;
}

.sys-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--phosphor-cyan);
  background: rgba(0, 245, 212, 0.06);
  border: 1px solid rgba(0, 245, 212, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 26px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--phosphor-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--phosphor-cyan);
  animation: pulse-glow 2s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 900px;
  margin: 0 auto 20px;
}

.hero h1 span.highlight {
  background: linear-gradient(135deg, #00f5d4 0%, #3a86ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.lead {
  font-size: 1.2rem;
  color: var(--text-dim);
  max-width: 680px;
  margin: 0 auto 38px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

/* Tactile Studio Hardware Rack (Interactive Hero Instrument) */
.rack-console {
  background: var(--bg-surface);
  border: 1px solid var(--border-meter);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  max-width: 960px;
  margin: 0 auto;
}

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

.rack-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rack-title-group .meter-led {
  width: 8px;
  height: 8px;
  background: var(--phosphor-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--phosphor-cyan);
}

.rack-title-group span {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-main);
}

.rack-specs {
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.spec-pill {
  background: rgba(255, 255, 255, 0.04);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

/* EQ Curve Visualizer Display */
.curve-display {
  background: #06070a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  height: 180px;
  position: relative;
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.9);
}

.grid-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 10% 25%;
  pointer-events: none;
}

.db-scale {
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  pointer-events: none;
}

#eq-svg-curve {
  width: 100%;
  height: 100%;
}

/* 10-Band Tactile Faders */
.faders-deck {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 8px;
  padding: 10px 0;
}

.fader-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.fader-track {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fader-slider {
  writing-mode: vertical-lr;
  direction: rtl;
  width: 24px;
  height: 110px;
  -webkit-appearance: none;
  background: transparent;
  cursor: pointer;
}

.fader-slider::-webkit-slider-runnable-track {
  width: 4px;
  background: #1e2433;
  border-radius: 2px;
}

.fader-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 20px;
  width: 18px;
  border-radius: 3px;
  background: #e2e8f0;
  border: 1px solid #000;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  cursor: grab;
  margin-left: -7px;
}

.fader-slider:active::-webkit-slider-thumb {
  background: var(--phosphor-cyan);
  cursor: grabbing;
}

.fader-freq {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}

.fader-gain {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--phosphor-cyan);
  font-weight: 600;
}

/* Preset Selector Toolbar */
.preset-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.preset-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.preset-btn {
  background: #11141e;
  border: 1px solid var(--border-subtle);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.preset-btn:hover, .preset-btn.active {
  background: rgba(0, 245, 212, 0.12);
  border-color: var(--phosphor-cyan);
  color: #fff;
}

.meter-status-box {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.status-badge-clean {
  background: rgba(0, 245, 212, 0.1);
  border: 1px solid rgba(0, 245, 212, 0.4);
  color: var(--phosphor-cyan);
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 600;
}

/* DSP Pipeline Architecture Section */
.section {
  padding: 100px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-head .kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--phosphor-cyan);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--text-dim);
  font-size: 1.05rem;
}

/* Architecture Signal Nodes */
.dsp-pipeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.pipeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
  transition: all 0.2s ease;
}

.pipeline-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.node-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--phosphor-cyan);
  margin-bottom: 14px;
}

.pipeline-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}

.pipeline-card p {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 16px;
}

.tech-spec {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(0, 0, 0, 0.4);
  padding: 6px 10px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--vu-amber);
  display: inline-block;
}

/* Audio Comparison: The Harsh Clipper vs SoundLyft Limiter */
.compare-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.compare-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--border-subtle);
}

.compare-card.bad {
  border-top: 3px solid var(--peak-red);
}

.compare-card.good {
  border-top: 3px solid var(--phosphor-cyan);
  background: linear-gradient(180deg, rgba(0, 245, 212, 0.03) 0%, var(--bg-surface) 100%);
}

.compare-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.bad .compare-badge { color: var(--peak-red); }
.good .compare-badge { color: var(--phosphor-cyan); }

.waveform-viz {
  background: #07080c;
  height: 90px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  margin: 18px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.compare-points {
  list-style: none;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.compare-points li {
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

/* Pricing Grid */
.pricing-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
  align-items: center;
}

.pricing-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  position: relative;
}

.pricing-box.pro-flag {
  border-color: rgba(255, 183, 3, 0.4);
  background: linear-gradient(180deg, #181d2c 0%, #111420 100%);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(255, 183, 3, 0.08);
}

.pro-badge-ribbon {
  position: absolute;
  top: -12px;
  left: 36px;
  background: var(--vu-amber);
  color: #06080e;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

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

.tier-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.tier-price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 28px;
}

.price-figure {
  font-size: 3.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
  font-family: var(--font-mono);
}

.price-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.feature-checklist {
  list-style: none;
  margin-bottom: 32px;
}

.feature-checklist li {
  font-size: 0.92rem;
  color: var(--text-dim);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-checklist li.checked {
  color: var(--text-main);
}

.feature-checklist li .icon-ok {
  color: var(--phosphor-cyan);
  font-family: var(--font-mono);
  font-weight: 700;
}

.feature-checklist li .icon-no {
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* FAQ Accordion */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-row {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 24px;
}

.faq-row h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.faq-row p {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Footer */
.footer {
  padding: 60px 0;
  border-top: 1px solid var(--border-subtle);
  background: #050608;
  font-size: 0.85rem;
}

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

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  color: var(--text-dim);
  text-decoration: none;
}

.footer-nav a:hover {
  color: #fff;
}

/* Legal & Policy Subpages */
.legal-page {
  padding: 80px 0 120px;
}

.legal-content {
  max-width: 840px;
  margin: 0 auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.legal-content h1 {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: #fff;
}

.legal-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--phosphor-cyan);
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.legal-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 36px 0 14px;
  color: #fff;
  border-left: 3px solid var(--phosphor-cyan);
  padding-left: 12px;
}

.legal-content p, .legal-content ul {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.legal-content ul {
  padding-left: 20px;
}

.legal-content li {
  margin-bottom: 8px;
}

.legal-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--phosphor-cyan);
}

/* Feedback & Contact Styles */
.form-group {
  margin-bottom: 22px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: #090a0f;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--phosphor-cyan);
  box-shadow: 0 0 12px rgba(0, 245, 212, 0.2);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--text-dim);
  font-size: 0.9rem;
  cursor: pointer;
}

.success-alert {
  display: none;
  background: rgba(0, 245, 212, 0.08);
  border: 1px solid var(--phosphor-cyan);
  color: var(--phosphor-cyan);
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .rack-console {
    padding: 18px;
  }
  .faders-deck {
    gap: 4px;
  }
  .compare-container, .pricing-wrapper {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    display: none;
  }
  .legal-content {
    padding: 32px 20px;
  }
}