/* ==========================================================================
   RESONANCE — Modern Music Placeholder Design System
   ========================================================================== */

/* Design Tokens & Custom Properties */
:root {
  /* Color Palette */
  --bg-dark: #07080d;
  --bg-surface: #0e111a;
  --bg-card: rgba(18, 22, 36, 0.75);
  --bg-card-hover: rgba(26, 32, 53, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(139, 92, 246, 0.5);
  --border-glow: rgba(6, 182, 212, 0.35);

  /* Brand Accents */
  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.35);
  --accent-purple: #8b5cf6;
  --accent-purple-glow: rgba(139, 92, 246, 0.4);
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  /* Text Colors */
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Typography */
  --font-display: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Grotesk', monospace, sans-serif;

  /* Transitions & Shadows */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 35px rgba(139, 92, 246, 0.25);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

/* CSS Reset & Baseline */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  scroll-behavior: smooth;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100dvh;
  position: relative;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 100% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Accessible Focus States */
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

/* Selection */
::selection {
  background: var(--accent-purple);
  color: #ffffff;
}

/* Ambient Background Lights */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.glow-1 {
  width: 500px;
  height: 500px;
  top: -150px;
  left: 20%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.25), transparent 70%);
}

.glow-2 {
  width: 600px;
  height: 600px;
  top: 35%;
  right: -150px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.2), transparent 70%);
  animation-duration: 22s;
  animation-delay: -5s;
}

.glow-3 {
  width: 450px;
  height: 450px;
  bottom: 5%;
  left: -100px;
  background: radial-gradient(circle, rgba(244, 63, 94, 0.18), transparent 70%);
  animation-duration: 26s;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% { transform: translateY(0) scale(1); }
  50% { transform: translateY(60px) translateX(30px) scale(1.08); }
  100% { transform: translateY(-40px) translateX(-20px) scale(0.95); }
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(7, 8, 13, 0.75);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
}

.logo-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s var(--ease-spring);
}

.brand-logo:hover .logo-icon {
  transform: rotate(90deg);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.brand-dot {
  color: var(--accent-cyan);
}

/* Nav Menu */
.nav-menu {
  display: flex;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  transition: color 0.25s ease;
  padding: 0.4rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  transition: width 0.3s var(--ease-spring);
  border-radius: 2px;
}

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

.nav-link:hover::after {
  width: 100%;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Audio Toggle Button (Header) */
.audio-toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.35);
  color: var(--text-main);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease-spring);
}

.audio-toggle-btn:hover {
  background: rgba(139, 92, 246, 0.25);
  border-color: var(--accent-purple);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
  transform: translateY(-1px);
}

.audio-toggle-btn.is-active {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.3));
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
}

.audio-waves-icon {
  display: flex;
  align-items: flex-end;
  gap: 2.5px;
  height: 14px;
}

.audio-waves-icon .bar {
  width: 2.5px;
  background: var(--accent-cyan);
  border-radius: 2px;
  height: 4px;
  transition: height 0.2s ease;
}

.audio-toggle-btn.is-active .bar-1 { animation: soundBar 0.9s infinite ease-in-out alternate; }
.audio-toggle-btn.is-active .bar-2 { animation: soundBar 1.2s infinite ease-in-out alternate 0.2s; }
.audio-toggle-btn.is-active .bar-3 { animation: soundBar 0.8s infinite ease-in-out alternate 0.4s; }
.audio-toggle-btn.is-active .bar-4 { animation: soundBar 1.1s infinite ease-in-out alternate 0.1s; }

@keyframes soundBar {
  0% { height: 3px; }
  100% { height: 14px; }
}

/* Status Pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.pulse-point {
  width: 7px;
  height: 7px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.mobile-toggle-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.menu-bar {
  width: 22px;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: 0.3s;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding: clamp(3rem, 2rem + 6dvh, 7rem) 1.5rem;
  z-index: 1;
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(2.5rem, 2rem + 3vw, 5rem);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #c4b5fd;
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
}

.sparkle-icon {
  color: var(--accent-cyan);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 1.4rem + 4vw, 4.6rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #a78bfa 50%, #f472b6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2.25rem;
  max-width: 600px;
}

/* Hero Form */
.hero-form {
  margin-bottom: 2.75rem;
  max-width: 580px;
}

.form-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(20, 24, 38, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.4rem 0.45rem 0.4rem 1.1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.form-input-wrapper:focus-within {
  border-color: var(--accent-purple);
  box-shadow: 0 0 25px rgba(139, 92, 246, 0.3);
}

.mail-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-right: 0.6rem;
}

.hero-email-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 0.96rem;
  font-family: var(--font-body);
  outline: none;
  width: 100%;
}

.hero-email-input::placeholder {
  color: var(--text-muted);
}

.hero-submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  border: none;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.3s var(--ease-spring);
  flex-shrink: 0;
}

.hero-submit-btn:hover {
  background: linear-gradient(135deg, #0891b2, #7c3aed);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
  transform: scale(1.02);
}

.arrow-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.25s ease;
}

.hero-submit-btn:hover .arrow-icon {
  transform: translateX(3px);
}

.form-feedback {
  font-size: 0.88rem;
  margin-top: 0.75rem;
  padding-left: 1rem;
  min-height: 1.2rem;
  transition: all 0.3s ease;
}

.form-feedback.success {
  color: #34d399;
}

.form-feedback.error {
  color: #fb7185;
}

/* Hero Meta Strip */
.hero-meta-strip {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  max-width: 580px;
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.meta-number small {
  color: var(--accent-cyan);
  font-size: 0.9rem;
  margin-left: 2px;
}

.meta-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.meta-divider {
  width: 1px;
  height: 34px;
  background: var(--border-subtle);
}

/* Hero Artwork Area */
.hero-visual-col {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.artwork-card {
  position: relative;
  width: 100%;
  max-width: 540px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--bg-card);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), var(--shadow-glow);
  aspect-ratio: 16 / 9;
}

.artwork-glow-ring {
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.4), transparent 50%, rgba(139, 92, 246, 0.5));
  z-index: 1;
  pointer-events: none;
  opacity: 0.7;
}

.hero-artwork-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-spring);
}

.artwork-card:hover .hero-artwork-img {
  transform: scale(1.04);
}

.artwork-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.8rem;
  background: rgba(7, 8, 13, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #e2e8f0;
}

.live-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
}

.artwork-overlay-controls {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle, rgba(7, 8, 13, 0.4) 0%, rgba(7, 8, 13, 0.85) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.artwork-card:hover .artwork-overlay-controls,
.artwork-overlay-controls.has-audio {
  opacity: 1;
}

.pulse-play-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border: none;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.5);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
}

.pulse-play-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 0 40px rgba(139, 92, 246, 0.8);
}

.pulse-play-btn svg {
  width: 32px;
  height: 32px;
}

.pulse-play-btn .play-svg {
  margin-left: 4px;
}

.artwork-sound-hint {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: #e2e8f0;
  font-weight: 500;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   Section Commons
   ========================================================================== */
.section {
  padding: clamp(4rem, 3rem + 5dvh, 7.5rem) 1.5rem;
  position: relative;
  z-index: 1;
}

.section-container {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(2.5rem, 2rem + 2vw, 4rem);
}

.section-badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  margin-bottom: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.3rem + 2.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Interactive Sound Laboratory Section
   ========================================================================== */
.sound-lab-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 1rem + 1.5vw, 2.5rem);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  box-shadow: var(--shadow-glass);
}

.lab-visualizer-container {
  position: relative;
  background: #040509;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 2rem;
}

.visualizer-canvas {
  width: 100%;
  height: 220px;
  display: block;
}

.visualizer-overlay-info {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}

.freq-tag {
  background: rgba(14, 17, 26, 0.85);
  border: 1px solid var(--border-subtle);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  pointer-events: auto;
}

.viz-modes {
  display: flex;
  gap: 0.4rem;
  pointer-events: auto;
}

.viz-mode-btn {
  background: rgba(14, 17, 26, 0.85);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.viz-mode-btn:hover {
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.2);
}

.viz-mode-btn.active {
  background: var(--accent-purple);
  color: #ffffff;
  border-color: var(--accent-purple);
}

/* Lab Controls Grid */
.lab-controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.control-group {
  display: flex;
  flex-direction: column;
}

.control-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.mood-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.mood-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
}

.mood-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(139, 92, 246, 0.35);
  transform: translateY(-2px);
}

.mood-btn.active {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--accent-purple);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.25);
}

.mood-icon {
  font-size: 1.4rem;
}

.mood-text {
  display: flex;
  flex-direction: column;
}

.mood-text strong {
  font-size: 0.92rem;
  line-height: 1.2;
}

.mood-text small {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Sliders */
.sliders-group {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.slider-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-name {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.slider-val {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.custom-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.custom-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  cursor: pointer;
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.6);
  transition: transform 0.2s ease;
}

.custom-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* ==========================================================================
   Features / About Section
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  position: relative;
  transition: all 0.35s var(--ease-spring);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(139, 92, 246, 0.3);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.feature-card.featured {
  border-color: rgba(6, 182, 212, 0.4);
  background: linear-gradient(180deg, rgba(20, 26, 46, 0.9) 0%, rgba(14, 18, 32, 0.9) 100%);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 2rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.card-icon-box svg {
  width: 26px;
  height: 26px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-bullets {
  list-style: none;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.card-bullets li {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-bullets li::before {
  content: '→';
  color: var(--accent-cyan);
  font-weight: bold;
}

/* ==========================================================================
   Releases / Sneak Peek
   ========================================================================== */
.releases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.release-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s var(--ease-spring);
  display: flex;
  flex-direction: column;
}

.release-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.release-art-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #090b12;
  overflow: hidden;
}

.release-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.release-card:hover .release-cover-img {
  transform: scale(1.06);
}

.genre-pill {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(7, 8, 13, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

/* Procedural Tape & Cinema Art for Cards without external images */
.cassette-art {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #181c2b, #0c0e17);
}

.tape-illustration {
  width: 180px;
  height: 110px;
  background: #111420;
  border: 2px solid #2d3748;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 12px;
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.8);
}

.spool {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #1f2438;
  border: 3px dashed var(--accent-purple);
  animation: spinSpool 6s linear infinite;
}

@keyframes spinSpool {
  100% { transform: rotate(360deg); }
}

.tape-window {
  width: 40px;
  height: 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.cinema-art {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #130e24, #07080d);
}

.cinema-symbol {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid transparent;
}

.ring-outer {
  width: 130px;
  height: 130px;
  border-color: rgba(244, 63, 94, 0.4);
  animation: spinSpool 14s linear infinite;
}

.ring-mid {
  width: 90px;
  height: 90px;
  border-color: rgba(139, 92, 246, 0.6);
  border-style: dashed;
  animation: spinSpool 9s linear infinite reverse;
}

.ring-inner {
  width: 50px;
  height: 50px;
  border-color: var(--accent-cyan);
}

.release-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.release-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.release-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.release-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* Sound Waveform Mock */
.release-waveform-mock {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 24px;
  padding-top: 6px;
}

.wave-bar {
  flex: 1;
  background: rgba(139, 92, 246, 0.4);
  border-radius: 2px;
  transition: background 0.3s ease;
}

.release-card:hover .wave-bar {
  background: var(--accent-cyan);
}

/* ==========================================================================
   Manifesto Section
   ========================================================================== */
.manifesto-card {
  background: linear-gradient(135deg, rgba(14, 18, 30, 0.8), rgba(22, 16, 36, 0.8));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 1.5rem + 3vw, 4rem);
  backdrop-filter: blur(20px);
}

.manifesto-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto clamp(2rem, 1.5rem + 2vw, 3.5rem);
}

.manifesto-lead {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-purple);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 1rem;
}

.manifesto-quote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1rem + 2vw, 2.2rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-main);
}

.manifesto-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2.5rem;
}

.pillar-item {
  display: flex;
  flex-direction: column;
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.pillar-item h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pillar-item p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* ==========================================================================
   Countdown & Subscription Section
   ========================================================================== */
.subscribe-card {
  background: var(--bg-card);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 1.5rem + 3vw, 4rem);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(139, 92, 246, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.countdown-wrap {
  margin-bottom: 2.5rem;
}

.countdown-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  display: block;
}

.countdown-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.5rem, 0.2rem + 1vw, 1.5rem);
}

.timer-box {
  background: rgba(7, 8, 13, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: clamp(0.75rem, 0.5rem + 1vw, 1.25rem) clamp(1rem, 0.6rem + 1vw, 1.75rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
}

.timer-num {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 1.2rem + 2vw, 3rem);
  font-weight: 700;
  color: var(--accent-cyan);
  line-height: 1;
}

.timer-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.4rem;
}

.timer-colon {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--text-muted);
  font-weight: 700;
}

.subscribe-content {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.sub-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 1.2rem + 2vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.sub-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

/* Main Form */
.main-subscribe-form {
  max-width: 540px;
  margin: 0 auto;
}

.main-input-group {
  display: flex;
  gap: 0.6rem;
}

.main-email-input {
  flex: 1;
  background: rgba(7, 8, 13, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.9rem 1.4rem;
  color: var(--text-main);
  font-size: 1rem;
  font-family: var(--font-body);
  outline: none;
  transition: all 0.25s ease;
}

.main-email-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
}

.main-submit-btn {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-rose));
  border: none;
  color: #ffffff;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.3s var(--ease-spring);
}

.main-submit-btn:hover {
  box-shadow: 0 0 25px rgba(244, 63, 94, 0.4);
  transform: translateY(-2px);
}

.privacy-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* Socials Wrap */
.socials-wrap {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  width: 100%;
}

.socials-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 1rem;
}

.socials-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.25s ease;
}

.social-link svg {
  width: 16px;
  height: 16px;
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-cyan);
  color: var(--text-main);
  transform: translateY(-2px);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(4, 5, 8, 0.95);
  padding: 3.5rem 1.5rem 2.5rem;
  position: relative;
  z-index: 1;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-main);
}

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

.footer-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #34d399;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.footer-quote {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* ==========================================================================
   Responsive Adaptations & Mobile Navigation
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-form {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-meta-strip {
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
  }

  .features-grid,
  .releases-grid,
  .manifesto-pillars {
    grid-template-columns: 1fr 1fr;
  }

  .lab-controls-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-toggle-btn {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: rgba(7, 8, 13, 0.98);
    backdrop-filter: blur(25px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.5rem;
    transform: translateY(-120%);
    transition: transform 0.35s var(--ease-spring);
    z-index: 99;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .status-pill {
    display: none;
  }

  .features-grid,
  .releases-grid,
  .manifesto-pillars {
    grid-template-columns: 1fr;
  }

  .mood-selector {
    grid-template-columns: 1fr;
  }

  .main-input-group {
    flex-direction: column;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}