/* ==========================================================================
   Seafoam & Volt Studio Design System - Bassist Website
   Electric Volt Lime Palette (#c8f135), Exact Playstore Asset & Alignment Fixes
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Dark Atmosphere Tokens */
  --bg-deep: #070808;
  --bg-mid: #0f1211;
  --bg-surface: #141917;
  --bg-surface-elevated: #1a221f;
  
  --border: rgba(255, 255, 255, 0.1);
  
  /* Electric Volt Lime Theme Accent Tokens (#c8f135) */
  --accent: #c8f135;
  --accent-bright: #d8fc4e;
  --accent-glow: rgba(200, 241, 53, 0.22);
  --accent-subtle: rgba(200, 241, 53, 0.12);
  --border-glow: rgba(200, 241, 53, 0.35);
  
  --accent-lime: #c8f135;
  --accent-lime-subtle: rgba(200, 241, 53, 0.12);
  --border-lime: rgba(200, 241, 53, 0.4);
  
  --text-primary: #f4fbf9;
  --text-secondary: #a0b2a8;
  --text-muted: #65786f;
  
  /* Finger Colors */
  --finger-1: #facc15; /* Index */
  --finger-2: #d946ef; /* Middle */
  --finger-3: #38bdf8; /* Ring */
  --finger-4: #ef4444; /* Pinky */
  
  /* Typography */
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  
  /* Layout & Radii */
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  /* Transitions & Easing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-normal: 0.35s var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Custom Dropdown Options Theme Styling */
select, option {
  background-color: #141917 !important;
  color: #f4fbf9 !important;
  border-color: rgba(200, 241, 53, 0.4) !important;
}

option:hover, option:focus, option:checked {
  background-color: #1a221f !important;
  color: #c8f135 !important;
}

/* Ambient Glow Background */
.ambient-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 0;
  filter: blur(60px);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Typography Rules - Headings use Bebas Neue */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.gradient-text {
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-lime) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--accent-lime-subtle);
  border: 1px solid var(--border-lime);
  color: var(--accent-lime);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--accent-lime);
  color: #070e0c;
  box-shadow: 0 8px 24px rgba(200, 241, 53, 0.25);
}

.btn-primary:hover {
  background: #d8fc4e;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(200, 241, 53, 0.4);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--accent-bright);
  transform: translateY(-2px);
}

/* Google Play Store Badge Button */
.btn-playstore {
  background: #000;
  color: #fff;
  border: 1px solid var(--border-lime);
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  transition: all var(--transition-fast);
}

.btn-playstore:hover {
  border-color: var(--accent-lime);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(200, 241, 53, 0.3);
}

.playstore-icon-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

.playstore-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-align: left;
}

.playstore-small {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #a0a0a0;
}

.playstore-big {
  font-size: 0.95rem;
  font-weight: 700;
  font-family: var(--font-body);
}

/* Header & Navigation - Perfect Logo & Text Center Alignment */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  background: rgba(7, 8, 8, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  line-height: 1;
}

.brand-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: contain;
  box-shadow: 0 0 16px rgba(200, 241, 53, 0.3);
  display: block;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1;
  display: flex;
  align-items: center;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

/* Hero Section */
.hero {
  padding-top: 140px;
  padding-bottom: 60px;
  text-align: center;
  position: relative;
}

/* Decreased character spacing on main hero title */
.hero-title {
  font-size: clamp(3rem, 7vw, 5.2rem);
  max-width: 950px;
  margin: 0 auto 1.25rem;
  line-height: 0.98;
  letter-spacing: 0.005em;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 2.25rem;
  font-weight: 500;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: -1rem;
  margin-bottom: 3rem;
}

.dot-green {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-lime);
  box-shadow: 0 0 10px var(--accent-lime);
}

/* Fretboard Demo Showcase Stage */
.showcase-stage {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 40px var(--accent-glow);
  position: relative;
  overflow: hidden;
}

.stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
  flex-wrap: wrap;
}

.workout-select-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.workout-title-select {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glow);
  color: var(--accent-lime);
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.02em;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  outline: none;
}

.workout-title-select option {
  background: #141917 !important;
  color: #c8f135 !important;
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.selector-pills {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.select-pill {
  background: #141917;
  border: 1px solid var(--border-glow);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  outline: none;
  font-family: var(--font-body);
}

.select-pill option {
  background: #141917 !important;
  color: #f4fbf9 !important;
}

.select-pill:hover, .select-pill:focus {
  border-color: var(--accent-lime);
  color: var(--accent-lime);
}

.help-btn {
  background: var(--accent-subtle);
  border: 1px solid var(--border-glow);
  color: var(--accent-lime);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.help-btn:hover {
  background: var(--accent);
  color: #070e0c;
}

.finger-legend {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.finger-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
}

.finger-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-1 { background: var(--finger-1); }
.dot-2 { background: var(--finger-2); }
.dot-3 { background: var(--finger-3); }
.dot-4 { background: var(--finger-4); }

.fretboard-canvas-container {
  width: 100%;
  height: 280px;
  background: #070808;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

canvas#fretboardCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Image Placeholders with Dimensions */
.img-placeholder {
  width: 100%;
  border: 2px dashed var(--border-lime);
  background: var(--accent-lime-subtle);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem;
  text-align: center;
  margin-bottom: 1.5rem;
  position: relative;
  transition: all var(--transition-fast);
}

.img-placeholder:hover {
  border-color: var(--accent-lime);
  background: rgba(200, 241, 53, 0.18);
}

.dim-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: #141618;
  border: 1px solid var(--accent-lime);
  color: var(--accent-lime);
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.placeholder-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
}

/* Guided Learning Path Roadmap Section */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
  position: relative;
}

.roadmap-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-lime);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  transition: all var(--transition-normal);
}

.roadmap-card:hover {
  border-color: var(--accent-lime);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px var(--accent-glow);
}

.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent-lime);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.roadmap-card h4 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.roadmap-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* Achievement Badges Section */
.badges-section {
  padding: 90px 0;
  background: var(--bg-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.badge-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-lime);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  text-align: center;
  transition: all var(--transition-fast);
}

.badge-card:hover {
  border-color: var(--accent-lime);
  transform: translateY(-4px);
  box-shadow: 0 10px 24px var(--accent-glow);
}

.badge-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 auto 1rem;
  font-weight: 800;
  font-size: 1.2rem;
}

.badge-bronze { background: rgba(205, 127, 50, 0.2); color: #cd7f32; border: 1px solid #cd7f32; }
.badge-silver { background: rgba(192, 192, 192, 0.2); color: #c0c0c0; border: 1px solid #c0c0c0; }
.badge-gold { background: rgba(255, 215, 0, 0.2); color: #ffd700; border: 1px solid #ffd700; }
.badge-plat { background: rgba(224, 224, 224, 0.2); color: #e0e0e0; border: 1px solid #e0e0e0; }
.badge-diamond { background: rgba(200, 241, 53, 0.2); color: #c8f135; border: 1px solid #c8f135; box-shadow: 0 0 15px rgba(200, 241, 53, 0.3); }

.badge-card h5 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.badge-card p {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* Settings Bar & Timer Control Stage */
.stage-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  gap: 1rem;
  flex-wrap: wrap;
  background: rgba(0, 0, 0, 0.25);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-lime);
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.control-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-lime);
  color: var(--text-primary);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.control-btn:hover {
  border-color: var(--accent-lime);
  color: var(--accent-lime);
}

.control-btn.active {
  background: var(--accent-subtle);
  border-color: var(--accent-lime);
  color: var(--accent-lime);
}

.timer-display {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent-lime);
  letter-spacing: 0.05em;
  background: #070808;
  padding: 0.2rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-lime);
}

/* Help Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.help-modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-lime);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 1.75rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
  position: relative;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 1.6rem;
  color: var(--accent-lime);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-primary);
}

.tab-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.tab-btn.active {
  background: var(--accent-subtle);
  color: var(--accent-lime);
}

.help-tab-content {
  display: none;
}

.help-tab-content.active {
  display: block;
}

.help-tip-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.help-tip-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.help-tip-icon {
  color: var(--accent-lime);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Why Practice Matters Section */
.why-section {
  padding: 90px 0;
  background: var(--bg-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.why-quote {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  text-align: center;
  color: var(--accent-lime);
  margin-bottom: 2rem;
  line-height: 1.05;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.why-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-lime);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.why-card h4 {
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.why-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.drills-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.drill-pill {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--accent-lime-subtle);
  border: 1px solid var(--border-lime);
  color: var(--accent-lime);
}

/* Features Grid Section */
.features {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem;
}

.section-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-lime);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: all var(--transition-normal);
  position: relative;
}

.card:hover {
  border-color: var(--accent-lime);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 30px var(--accent-subtle);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--accent-subtle);
  border: 1px solid var(--border-lime);
  color: var(--accent-lime);
  display: grid;
  place-items: center;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Call to Action Banner */
.cta-banner {
  padding: 100px 0;
  text-align: center;
}

.cta-box {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-surface-elevated) 100%);
  border: 1px solid var(--border-lime);
  border-radius: var(--radius-lg);
  padding: 4.5rem 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(200, 241, 53, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
}

.cta-desc {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 2.5rem;
}

/* Founder Story / About Page Specifics */
.founder-hero {
  padding-top: 140px;
  padding-bottom: 40px;
  text-align: center;
}

.story-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-lime);
  border-radius: var(--radius-lg);
  padding: 3rem;
  max-width: 800px;
  margin: 0 auto 4rem;
}

.story-card p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.story-card blockquote {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent-lime);
  border-left: 4px solid var(--accent-lime);
  padding-left: 1.5rem;
  margin: 2rem 0;
}

/* Privacy Page Specifics */
.privacy-header {
  padding-top: 140px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.privacy-content {
  padding: 60px 0 100px;
  max-width: 800px;
  margin: 0 auto;
}

.privacy-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-lime);
  border-radius: var(--radius-lg);
  padding: 3rem;
  margin-bottom: 2rem;
}

.privacy-section {
  margin-bottom: 2.5rem;
}

.privacy-section:last-child {
  margin-bottom: 0;
}

.privacy-section h3 {
  font-size: 1.5rem;
  color: var(--accent-lime);
  margin-bottom: 0.75rem;
}

.privacy-section p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.98rem;
  margin-bottom: 0.75rem;
}

.privacy-section ul {
  padding-left: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.privacy-section li {
  margin-bottom: 0.5rem;
}

/* Footer */
.footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(2, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h5 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-lime);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */

/* 1. Tablet Landscape & Laptops (max-width: 1024px) */
@media (max-width: 1024px) {
  .hero-title {
    font-size: clamp(2.6rem, 6vw, 4rem);
  }
  
  .showcase-stage {
    padding: 1.25rem;
  }
  
  .stage-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }
  
  .grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

/* 2. Tablet Portrait (max-width: 768px) */
@media (max-width: 768px) {
  .navbar {
    height: 68px;
  }

  .nav-container {
    padding: 0 1rem;
  }

  .brand-logo-img {
    width: 34px;
    height: 34px;
  }

  .brand-text {
    font-size: 1.5rem;
  }

  .nav-links {
    gap: 1.25rem;
  }

  .nav-link {
    font-size: 0.88rem;
  }

  .playstore-icon-img {
    width: 24px;
    height: 24px;
  }

  .playstore-small {
    font-size: 0.55rem;
  }

  .playstore-big {
    font-size: 0.85rem;
  }

  .hero {
    padding-top: 110px;
    padding-bottom: 40px;
  }

  .hero-title {
    font-size: clamp(2.2rem, 6.5vw, 3.4rem);
    letter-spacing: 0;
  }

  .hero-subtitle {
    font-size: 1rem;
    padding: 0 0.5rem;
  }

  .hero-ctas {
    flex-direction: column;
    gap: 0.85rem;
  }

  .btn-playstore {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  .showcase-stage {
    padding: 1rem;
    border-radius: var(--radius-md);
  }

  .fretboard-canvas-container {
    height: 230px;
  }

  .stage-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .control-group {
    justify-content: center;
    width: 100%;
  }

  .timer-display {
    width: 100%;
    text-align: center;
    margin-top: 0.25rem;
  }

  .roadmap-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .badge-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}

/* 3. Mobile Screens (max-width: 480px) */
@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 2.1rem;
  }

  .fretboard-canvas-container {
    height: 200px;
  }

  .workout-title-select {
    font-size: 1.1rem;
    width: 100%;
  }

  .selector-pills {
    width: 100%;
    justify-content: space-between;
  }

  .select-pill {
    flex: 1;
    text-align: center;
  }

  .badge-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .story-card, .privacy-card {
    padding: 1.25rem;
  }
}