/* ====================================
   BEATEXPERT LAB - CREATIVE PROFESSIONAL
   ==================================== */

/* CSS VARIABLES */
:root {
  --color-bg: #0a0a0a;
  --color-surface: #111111;
  --color-surface-elevated: #1a1a1a;
  --color-text-primary: #ffffff;
  --color-text-secondary: #cccccc;
  --color-text-muted: #888888;
  --color-accent-cyan: #00ffff;
  --color-accent-electric: #00eaff;
  --color-accent-neon: #39ff14;
  --color-accent-pink: #ff0080;
  --color-border: #222222;
  --color-border-hover: #333333;
  
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  
  --container-width: 1400px;
  --section-padding: 120px;
  --border-radius: 12px;
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.3);
  --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* RESET & BASE */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* CREATIVE ELEMENTS */
.cursor-trail {
  position: fixed;
  width: 20px;
  height: 20px;
  background: radial-gradient(circle, var(--color-accent-cyan) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.2s ease;
  mix-blend-mode: screen;
}

.ambient-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--color-accent-cyan);
  border-radius: 50%;
  opacity: 0.6;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }
  10% {
    opacity: 0.6;
    transform: translateY(90vh) scale(1);
  }
  90% {
    opacity: 0.6;
    transform: translateY(10vh) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(0) scale(0);
  }
}

/* NAVBAR */
.futuristic-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-zone {
  position: relative;
  display: flex;
  align-items: center;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  z-index: 2;
}

.logo-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, var(--color-accent-cyan) 0%, transparent 70%);
  border-radius: 50%;
  opacity: 0;
  transform: translate(-50%, -50%);
  animation: logo-pulse 4s ease-in-out infinite;
}

@keyframes logo-pulse {
  0%, 100% { opacity: 0; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.1; transform: translate(-50%, -50%) scale(1.5); }
}

/* GLITCH EFFECTS (MAINTAINED AS USER LIKED) */
.glitch-logo::before,
.glitch-logo::after,
.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.glitch-logo::before,
.glitch-text::before {
  color: var(--color-accent-pink);
  z-index: -1;
}

.glitch-logo::after,
.glitch-text::after {
  color: var(--color-accent-cyan);
  z-index: -2;
}

.glitch-active::before {
  animation: glitch-1 0.15s ease-out;
}

.glitch-active::after {
  animation: glitch-2 0.15s ease-out;
}

@keyframes glitch-1 {
  0%, 100% { transform: translate(0); opacity: 0; }
  20% { transform: translate(-2px, 2px); opacity: 0.8; }
  40% { transform: translate(-2px, -2px); opacity: 0.8; }
  60% { transform: translate(2px, 2px); opacity: 0.8; }
  80% { transform: translate(2px, -2px); opacity: 0.8; }
}

@keyframes glitch-2 {
  0%, 100% { transform: translate(0); opacity: 0; }
  20% { transform: translate(2px, -2px); opacity: 0.8; }
  40% { transform: translate(2px, 2px); opacity: 0.8; }
  60% { transform: translate(-2px, -2px); opacity: 0.8; }
  80% { transform: translate(-2px, 2px); opacity: 0.8; }
}

/* LAB CONTROL */
.lab-control-btn {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 0;
  border-radius: var(--border-radius);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.btn-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 1.5rem;
  position: relative;
  z-index: 2;
}

.control-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.control-bars {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.bar {
  width: 12px;
  height: 2px;
  background: var(--color-text-muted);
  border-radius: 1px;
  transition: var(--transition-smooth);
}

.lab-control-btn:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-soft);
}

.lab-control-btn:hover .bar {
  background: var(--color-accent-cyan);
}

.lab-control-btn.active {
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.lab-control-btn.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}

.lab-control-btn.active .bar:nth-child(2) {
  opacity: 0;
}

.lab-control-btn.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -3px);
}

.btn-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(0, 255, 255, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lab-control-btn:hover .btn-glow {
  opacity: 1;
}

/* CONTROL PANEL */
.lab-control-panel {
  position: absolute;
  top: 100%;
  right: 0;
  width: 420px;
  max-width: calc(100vw - 2rem);
  margin-top: 0.5rem;
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-strong);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-smooth);
}

.lab-control-panel.panel-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.panel-header {
  padding: 1.5rem 2rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.system-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent-neon);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-neon);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-accent-neon);
  animation: pulse-status 2s infinite;
}

@keyframes pulse-status {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.lab-navigation {
  padding: 1.5rem 2rem;
}

/* ACTIVE NAVIGATION SYSTEM */
.nav-section {
  padding: 1.5rem 1rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.section-icon {
  font-size: 1.2rem;
  color: var(--color-accent-cyan);
}

.section-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent-cyan);
}

.section-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  margin-bottom: 0.5rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: var(--transition-smooth);
  background: transparent;
  border: 1px solid transparent;
}

.nav-link:hover {
  background: rgba(0, 255, 255, 0.05);
  border-color: rgba(0, 255, 255, 0.2);
  color: var(--color-accent-cyan);
  transform: translateX(5px);
}

.nav-link:active {
  transform: translateX(3px) scale(0.98);
}

.link-icon {
  font-size: 0.9rem;
  width: 16px;
  text-align: center;
}

.link-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  flex-grow: 1;
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-neon);
  box-shadow: 0 0 8px var(--color-accent-neon);
  animation: status-pulse 2s infinite;
}

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

.status-indicator.online {
  background: var(--color-accent-neon);
  box-shadow: 0 0 8px var(--color-accent-neon);
}

/* PERFORMANCE OPTIMIZATIONS */
.problems-laboratory, 
.process-laboratory, 
.proof-laboratory, 
.programs-laboratory, 
.faq-laboratory, 
.final-cta-laboratory {
  content-visibility: auto;
  contain-intrinsic-size: 1200px 800px;
}

/* MOBILE STICKY CTA STYLING */
.sticky-mobile-cta {
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
  font-family: var(--font-primary) !important;
}

.sticky-mobile-cta:hover {
  transform: translateX(-50%) translateY(-2px) !important;
  box-shadow: 0 15px 40px rgba(0, 255, 255, 0.6) !important;
}

.sticky-mobile-cta:active {
  transform: translateX(-50%) translateY(0px) scale(0.95) !important;
}

/* HERO SECTION */
.hero-laboratory {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.bg-layers {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.bg-primary {
  background: radial-gradient(circle at 30% 40%, rgba(0, 255, 255, 0.08) 0%, transparent 50%);
}

.bg-secondary {
  background: radial-gradient(circle at 70% 60%, rgba(255, 0, 128, 0.06) 0%, transparent 50%);
}

.studio-interface {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.interface-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.25) contrast(1.3) saturate(0.8);
}

.interface-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.9) 0%,
    rgba(0, 0, 0, 0.6) 40%,
    rgba(0, 0, 0, 0.9) 100%
  );
  z-index: 2;
}

.scan-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 255, 0.02) 2px,
    rgba(0, 255, 255, 0.02) 4px
  );
  z-index: 3;
  animation: scan-move 4s linear infinite;
}

@keyframes scan-move {
  0% { transform: translateY(0); }
  100% { transform: translateY(20px); }
}

.hero-content {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}



.hero-title {
  margin-bottom: 3rem;
}

.brand-name {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 3px;
  line-height: 1;
  color: var(--color-text-primary);
  text-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.8rem);
  font-weight: 300;
  color: var(--color-text-secondary);
  letter-spacing: 1px;
  line-height: 1.4;
}

/* BUTTONS */
.primary-cta, .breakthrough-btn, .ghost-btn {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  border-radius: 50px;
  font-family: var(--font-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
}

.primary-cta {
  background: linear-gradient(135deg, var(--color-accent-cyan) 0%, var(--color-accent-electric) 100%);
  color: var(--color-bg);
  padding: 1rem 2.5rem;
  font-size: 0.9rem;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
}

.primary-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(0, 255, 255, 0.5);
}

.breakthrough-btn {
  background: linear-gradient(135deg, var(--color-accent-pink) 0%, var(--color-accent-cyan) 100%);
  color: var(--color-bg);
  padding: 1.2rem 3rem;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 0 30px rgba(255, 0, 128, 0.4);
}

.breakthrough-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 40px rgba(255, 0, 128, 0.6);
}

.ghost-btn {
  background: transparent;
  border: 2px solid var(--color-accent-cyan);
  color: var(--color-accent-cyan);
  padding: 1rem 2.5rem;
  font-size: 0.9rem;
}

.ghost-btn:hover {
  background: var(--color-accent-cyan);
  color: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
}

.cta-arrow {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.primary-cta:hover .cta-arrow,
.breakthrough-btn:hover .cta-arrow {
  transform: translateX(5px);
}

.cta-pulse, .btn-bg-effect, .btn-glow-effect {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cta-pulse {
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: pulse-effect 3s ease-in-out infinite;
}

@keyframes pulse-effect {
  0%, 100% { opacity: 0; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(1.05); }
}

.btn-bg-effect {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.breakthrough-btn:hover .btn-bg-effect {
  transform: translateX(100%);
}

.cta-hint {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* SECTIONS */
.section-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.problems-laboratory,
.process-laboratory,
.proof-laboratory {
  padding: var(--section-padding) 0;
  position: relative;
}

.problems-laboratory {
  background: linear-gradient(135deg, var(--color-bg) 0%, #0c0c0c 50%, var(--color-bg) 100%);
}

.process-laboratory {
  background: linear-gradient(135deg, #0c0c0c 0%, var(--color-bg) 50%, #0c0c0c 100%);
}

.proof-laboratory {
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent-cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  opacity: 0.8;
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: -1px;
  line-height: 1.1;
}

.title-main {
  color: var(--color-text-primary);
  display: block;
}

.title-accent {
  color: var(--color-accent-cyan);
  display: block;
  text-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
}

.section-description {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  font-weight: 300;
}

/* PROBLEMS SECTION */
.problem-terminal {
  max-width: 1000px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-strong);
}

.terminal-header {
  background: linear-gradient(135deg, #1f1f1f 0%, var(--color-surface) 100%);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
}

.terminal-controls {
  display: flex;
  gap: 0.5rem;
}

.control-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.control-dot.red { background: #ff5f56; }
.control-dot.yellow { background: #ffbd2e; }
.control-dot.green { background: #27ca3f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.terminal-content {
  padding: 2rem;
  display: grid;
  gap: 1.5rem;
}

.problem-block {
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.3);
  border-left: 3px solid var(--color-accent-pink);
  border-radius: 6px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.problem-block.revealed {
  opacity: 1;
  transform: translateY(0);
}

.problem-id {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent-pink);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.problem-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.8rem;
}

.problem-desc {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.problem-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-accent-pink);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.3rem 0.8rem;
  background: rgba(255, 0, 128, 0.1);
  border: 1px solid rgba(255, 0, 128, 0.3);
  border-radius: 20px;
  display: inline-block;
}

/* PROCESS SECTION */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 3rem;
}

.step-card {
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: var(--transition-smooth);
  opacity: 0;
  transform: translateY(20px);
}

.step-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent-cyan);
  box-shadow: var(--shadow-soft);
}

.step-number {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--color-accent-cyan), transparent 70%), var(--color-surface);
  border: 2px solid var(--color-border);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.step-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.step-text {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.compatibility-bar {
  text-align: center;
  margin: 3rem 0;
  padding: 1.5rem;
  background: rgba(0, 255, 255, 0.05);
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: var(--border-radius);
}

.compat-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.compat-daws {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

/* PROOF SECTION */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 3rem;
}

.proof-card {
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: var(--transition-smooth);
  opacity: 0;
  transform: translateY(20px);
}

.proof-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.proof-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent-cyan);
  box-shadow: var(--shadow-soft);
}

.proof-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: block;
}

.proof-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.proof-text {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.section-cta {
  text-align: center;
  margin-top: 3rem;
}

/* REVEAL ANIMATION */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
  }
  
  .nav-container,
  .section-container {
    padding: 0 1.5rem;
  }
  
  .process-steps,
  .proof-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
  }
  
  .programs-grid {
    gap: 2rem;
  }
  
  .faq-grid {
    gap: 1.5rem;
  }
  
  .final-cta-buttons {
    gap: 1.5rem;
  }
  
  .cta-trust-signals {
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }
  
  .nav-container {
    height: 70px;
    padding: 0 1rem;
  }
  
  .logo-text {
    font-size: 1.2rem;
  }
  
  .btn-content {
    padding: 0.6rem 1rem;
  }
  
  .control-label {
    font-size: 0.7rem;
  }
  
  .hero-laboratory {
    height: 100vh;
    padding-top: 70px;
  }
  
  .hero-content {
    padding: 0 1rem;
  }
  
  .section-container {
    padding: 0 1rem;
  }
  
  .terminal-header {
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .terminal-content {
    padding: 1rem;
    gap: 1rem;
  }
  
  .problem-block,
  .step-card,
  .proof-card {
    padding: 1.5rem;
  }
  
  .process-steps,
  .proof-grid {
    grid-template-columns: 1fr;
  }
  
  .programs-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .program-card {
    margin: 0 auto;
    max-width: 400px;
  }
  
  .card-header,
  .card-content {
    padding: 1.5rem;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .faq-question {
    padding: 1.2rem 1.5rem;
  }
  
  .faq-answer {
    padding: 0 1.5rem 1.2rem;
  }
  
  .faq-item.active .faq-answer {
    padding: 1.2rem 1.5rem;
  }
  
  .final-cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .large-cta,
  .secondary-cta {
    width: 100%;
    max-width: 300px;
  }
  
  .cta-trust-signals {
    flex-direction: column;
    gap: 1rem;
  }
  
  .trust-divider {
    width: 40px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-border), transparent);
  }
  
  .lab-control-panel {
    width: calc(100vw - 2rem);
    right: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-content,
  .section-container {
    padding: 0 0.5rem;
  }
  
  .terminal-content,
  .problem-block,
  .step-card,
  .proof-card {
    padding: 1rem;
  }
  
  .card-header,
  .card-content {
    padding: 1rem;
  }
  
  .feature-item {
    gap: 0.8rem;
  }
  
  .universal-principles {
    padding: 1.5rem;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .primary-cta,
  .breakthrough-btn,
  .ghost-btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.8rem;
  }
}

/* SCROLL-REACTIVE ANIMATIONS & FLOATING ELEMENTS */

/* Scroll Progress Indicator */
.scroll-progress-container {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  z-index: 1001;
  height: 4px;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.scroll-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-cyan) 0%, var(--color-accent-electric) 50%, var(--color-accent-pink) 100%);
  width: 0%;
  transition: width 0.1s ease;
  position: relative;
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.scroll-progress-label {
  position: absolute;
  top: -30px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent-cyan);
  font-weight: 600;
  letter-spacing: 1px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.scroll-progress-container:hover .scroll-progress-label {
  opacity: 1;
}

/* Enhanced Hero Laboratory */
.hero-laboratory {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg);
}

/* Dynamic Ableton Scene System */
.ableton-sequence {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.scene-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform: scale(1.1);
}

.scene-layer.active {
  opacity: 1;
  transform: scale(1);
}

.ableton-interface {
  position: relative;
  width: 100%;
  height: 100%;
}

.scene-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.3) contrast(1.2) saturate(0.9);
  transition: all 0.8s ease;
}

/* Scene-specific overlays */
.scene-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  transition: all 0.8s ease;
}

.scene-overlay-intro {
  background: linear-gradient(
    135deg,
    rgba(0, 255, 255, 0.1) 0%,
    rgba(0, 0, 0, 0.8) 40%,
    rgba(0, 0, 0, 0.9) 100%
  );
}

.scene-overlay-composition {
  background: linear-gradient(
    120deg,
    rgba(255, 0, 128, 0.1) 0%,
    rgba(0, 0, 0, 0.8) 40%,
    rgba(0, 0, 0, 0.9) 100%
  );
}

.scene-overlay-mixing {
  background: linear-gradient(
    45deg,
    rgba(57, 255, 20, 0.1) 0%,
    rgba(0, 0, 0, 0.8) 40%,
    rgba(0, 0, 0, 0.9) 100%
  );
}

.scene-overlay-mastering {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05) 0%,
    rgba(0, 0, 0, 0.8) 40%,
    rgba(0, 0, 0, 0.9) 100%
  );
}

/* Floating Creative Elements */
.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 8;
  pointer-events: none;
}

/* Floating Waveform */
.floating-waveform {
  position: absolute;
  top: 20%;
  right: 10%;
  width: 300px;
  height: 80px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--color-accent-cyan);
  border-radius: 8px;
  padding: 1rem;
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateX(50px) scale(0.8);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  animation: float-gentle 6s ease-in-out infinite;
}

.floating-waveform.visible {
  opacity: 1;
  transform: translateX(0) scale(1);
}

.waveform-svg {
  width: 100%;
  height: 40px;
  color: var(--color-accent-cyan);
}

.waveform-path {
  animation: waveform-pulse 3s ease-in-out infinite;
}

.waveform-path-secondary {
  animation: waveform-pulse 3s ease-in-out infinite 0.5s;
}

@keyframes waveform-pulse {
  0%, 100% { opacity: 0.8; stroke-width: 2; }
  50% { opacity: 1; stroke-width: 3; }
}



/* Floating Spectrum Analyzer */
.floating-spectrum {
  position: absolute;
  top: 60%;
  left: 5%;
  width: 200px;
  height: 120px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--color-accent-pink);
  border-radius: 8px;
  padding: 1rem;
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateX(-50px) scale(0.8);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s;
  animation: float-gentle 8s ease-in-out infinite 2s;
}

.floating-spectrum.visible {
  opacity: 1;
  transform: translateX(0) scale(1);
}

.spectrum-bars {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  height: 60px;
  gap: 3px;
}

.spectrum-bar {
  width: 12px;
  background: linear-gradient(to top, var(--color-accent-pink) 0%, var(--color-accent-cyan) 100%);
  border-radius: 2px 2px 0 0;
  animation: spectrum-bounce 0.8s ease-in-out infinite;
}

.spectrum-bar:nth-child(1) { animation-delay: 0s; }
.spectrum-bar:nth-child(2) { animation-delay: 0.1s; }
.spectrum-bar:nth-child(3) { animation-delay: 0.2s; }
.spectrum-bar:nth-child(4) { animation-delay: 0.3s; }
.spectrum-bar:nth-child(5) { animation-delay: 0.4s; }
.spectrum-bar:nth-child(6) { animation-delay: 0.3s; }
.spectrum-bar:nth-child(7) { animation-delay: 0.2s; }
.spectrum-bar:nth-child(8) { animation-delay: 0.1s; }
.spectrum-bar:nth-child(9) { animation-delay: 0s; }
.spectrum-bar:nth-child(10) { animation-delay: 0.1s; }

@keyframes spectrum-bounce {
  0%, 100% { transform: scaleY(1); }
  25% { transform: scaleY(0.6); }
  50% { transform: scaleY(1.3); }
  75% { transform: scaleY(0.8); }
}



/* Floating EQ */
.floating-eq {
  position: absolute;
  bottom: 20%;
  right: 15%;
  width: 180px;
  height: 100px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--color-accent-neon);
  border-radius: 8px;
  padding: 1rem;
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(50px) scale(0.8);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s;
  animation: float-gentle 10s ease-in-out infinite 4s;
}

.floating-eq.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.eq-curve svg {
  width: 100%;
  height: 50px;
  color: var(--color-accent-neon);
}

.eq-path {
  animation: eq-pulse 4s ease-in-out infinite;
}

.eq-handle {
  fill: var(--color-accent-neon);
  cursor: pointer;
  animation: eq-handle-pulse 2s ease-in-out infinite;
}

.eq-handle:nth-child(2) { animation-delay: 0.5s; }
.eq-handle:nth-child(3) { animation-delay: 1s; }

@keyframes eq-pulse {
  0%, 100% { stroke-width: 2; opacity: 0.8; }
  50% { stroke-width: 3; opacity: 1; }
}

@keyframes eq-handle-pulse {
  0%, 100% { r: 4; opacity: 0.8; }
  50% { r: 6; opacity: 1; }
}



@keyframes float-gentle {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  25% { transform: translateY(-10px) rotate(0.5deg); }
  50% { transform: translateY(-5px) rotate(0deg); }
  75% { transform: translateY(-12px) rotate(-0.5deg); }
}

/* Enhanced Hero Content with Parallax */
.hero-content {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
  transform: translateZ(0);
}

.hero-title-container {
  margin-bottom: 3rem;
  transform: translateY(0px);
  transition: transform 0.1s ease-out;
}



/* Enhanced CTA Button with Advanced Effects */
.hero-cta {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s;
}

.hero-cta.visible {
  opacity: 1;
  transform: translateY(0);
}

#heroCtaButton {
  position: relative;
  overflow: hidden;
}

#heroCtaButton::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.6s ease;
  z-index: 0;
}

#heroCtaButton:hover::before {
  width: 300px;
  height: 300px;
}

#heroCtaButton .cta-text,
#heroCtaButton .cta-arrow {
  position: relative;
  z-index: 1;
}

/* Scene-specific enhancements */
.scene-layer[data-scene="0"] .scene-bg {
  filter: brightness(0.3) contrast(1.2) saturate(0.9) hue-rotate(10deg);
}

.scene-layer[data-scene="1"] .scene-bg {
  filter: brightness(0.25) contrast(1.3) saturate(1.1) hue-rotate(-10deg);
}

.scene-layer[data-scene="2"] .scene-bg {
  filter: brightness(0.28) contrast(1.4) saturate(1.2) hue-rotate(20deg);
}

.scene-layer[data-scene="3"] .scene-bg {
  filter: brightness(0.32) contrast(1.1) saturate(0.8) hue-rotate(-5deg);
}

/* Mobile Responsiveness for Floating Elements */
@media (max-width: 1024px) {
  .floating-waveform,
  .floating-spectrum,
  .floating-eq {
    scale: 0.8;
  }
  
  .floating-waveform {
    top: 15%;
    right: 5%;
    width: 250px;
  }
  
  .floating-spectrum {
    top: 55%;
    left: 2%;
    width: 160px;
  }
  
  .floating-eq {
    bottom: 15%;
    right: 8%;
    width: 150px;
  }
  

}

@media (max-width: 768px) {
  .scroll-progress-label {
    display: none;
  }
  
  .floating-elements > * {
    scale: 0.7;
  }
  
  .floating-waveform {
    top: 12%;
    right: 2%;
    width: 200px;
  }
  
  .floating-spectrum {
    top: 50%;
    left: 1%;
    width: 140px;
  }
  
  .floating-eq {
    bottom: 12%;
    right: 5%;
    width: 130px;
  }
  

}

@media (max-width: 480px) {
  .floating-elements {
    display: none; /* Hide floating elements on very small screens for performance */
  }
  

  
  .hero-content {
    padding: 0 1rem;
  }
}

/* PERFORMANCE OPTIMIZATIONS */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .cursor-trail,
  .ambient-particles,
  .scan-lines,
  .floating-elements {
    display: none;
  }
  
  .scene-layer {
    transition: opacity 0.3s ease;
  }
}

/* GPU Acceleration for Performance */
.scene-layer,
.floating-waveform,
.floating-spectrum,
.floating-eq,
.hero-content,
.scroll-progress-bar {
  will-change: transform, opacity;
  transform: translateZ(0);
}

/* ====================================
   PROGRAMS SECTION
   ==================================== */

.programs-laboratory {
  padding: var(--section-padding) 0;
  background: linear-gradient(135deg, var(--color-bg) 0%, #0d0d0d 50%, var(--color-bg) 100%);
  position: relative;
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto 3rem;
}

.program-card {
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 0;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateY(20px);
  position: relative;
  overflow: hidden;
}

.program-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.program-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent-cyan);
  box-shadow: var(--shadow-strong);
}

.program-card.featured {
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
  transform: scale(1.02);
}

.program-card.featured:hover {
  transform: translateY(-8px) scale(1.02);
}

.featured-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--color-accent-cyan);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 2;
}

.card-header {
  padding: 2rem 2rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.tier-badge {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.tier-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.card-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.program-features {
  flex-grow: 1;
  margin-bottom: 2rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 0.5rem 0;
}

.feature-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.feature-text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  flex-grow: 1;
}

.program-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--color-accent-cyan) 0%, var(--color-accent-electric) 100%);
  border: none;
  color: var(--color-bg);
  padding: 1rem 2rem;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 50px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  overflow: hidden;
  position: relative;
}

.program-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 255, 255, 0.4);
}

.btn-arrow {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.program-btn:hover .btn-arrow {
  transform: translateX(5px);
}

.elite-btn {
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
  border: 2px solid var(--color-accent-cyan);
  color: var(--color-accent-cyan);
}

.elite-btn:hover {
  background: var(--color-accent-cyan);
  color: var(--color-bg);
}

.universal-principles {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
  background: rgba(0, 255, 255, 0.05);
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: var(--border-radius);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.principles-icon {
  font-size: 1.5rem;
}

.principles-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ====================================
   FAQ SECTION
   ==================================== */

.faq-laboratory {
  padding: var(--section-padding) 0;
  background: linear-gradient(135deg, #0d0d0d 0%, var(--color-bg) 50%, #0d0d0d 100%);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.faq-item {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-elevated) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition-smooth);
  opacity: 0;
  transform: translateY(20px);
  cursor: pointer;
}

.faq-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

.faq-item:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent-cyan);
  box-shadow: var(--shadow-soft);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-smooth);
}

.question-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.question-icon {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--color-accent-cyan);
  font-weight: 700;
  transition: transform 0.3s ease;
}

.faq-item.active .question-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 2rem 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 1.5rem 2rem;
  max-height: 200px;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ====================================
   FINAL CTA SECTION
   ==================================== */

.final-cta-laboratory {
  padding: calc(var(--section-padding) * 1.5) 0;
  background: linear-gradient(135deg, var(--color-bg) 0%, #0c0c0c 100%);
  text-align: center;
  position: relative;
}

.final-cta-content {
  max-width: 900px;
  margin: 0 auto;
}

.final-cta-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 2rem;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: -1px;
}

.final-cta-subtitle {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 300;
}

.final-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.large-cta {
  padding: 1.3rem 3rem;
  font-size: 1rem;
  min-width: 220px;
}

.secondary-cta {
  background: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 1.3rem 3rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  min-width: 220px;
}

.secondary-cta:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.cta-trust-signals {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.trust-icon {
  font-size: 1.1rem;
  color: var(--color-accent-cyan);
}

.trust-divider {
  width: 1px;
  height: 20px;
  background: linear-gradient(to bottom, transparent, var(--color-border), transparent);
}

/* ====================================
   FOOTER
   ==================================== */

.lab-footer {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0 2rem;
}

.footer-content {
  text-align: center;
  margin-bottom: 2rem;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.footer-principles {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

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

/* ====================================
   INTERACTIVE ENHANCEMENTS
   ==================================== */

.program-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent-cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.program-card:hover::before {
  opacity: 1;
}

.program-card.featured::before {
  opacity: 0.7;
}

.program-card.featured:hover::before {
  opacity: 1;
}

/* ====================================
   EMERGENCY REMOVAL - UNAUTHORIZED ELEMENTS
   ==================================== */

/* Kill-switch per elementi non autorizzati */
.hero-stats,
.hero-metrics, 
.stat-box,
.number-box,
.freq-analyzer,
.freq-analyzer-box,
.eq-curve,
.eq-curve-box,
.analyzer-display,
.frequency-display,
.metrics,
.kpi,
[class*="500"],
[class*="1200"],
[class*="50"] {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  position: absolute !important;
  left: -9999px !important;
}

/* Assicura hero-content pulito */
.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  text-align: center;
}

.hero-content > *:not(.hero-title):not(.hero-cta) {
  display: none !important;
}

/* ====================================
   ENHANCED MODAL SYSTEM
   ==================================== */

.beatexpert-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.beatexpert-modal.modal-active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(15px);
}

.modal-dialog {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 90%;
  max-width: 700px;
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-strong);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-active .modal-dialog {
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 2rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
}

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

.modal-body {
  padding: 2rem;
}

.modal-content h3 {
  color: var(--color-text-primary);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-content p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* Modal Buttons */
.modal-btn {
  padding: 1rem 2rem;
  border: none;
  border-radius: 50px;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: var(--transition-smooth);
  margin: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-width: 150px;
}

.modal-btn.primary {
  background: linear-gradient(135deg, var(--color-accent-cyan) 0%, var(--color-accent-electric) 100%);
  color: var(--color-bg);
}

.modal-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 255, 255, 0.4);
}

.modal-btn.secondary {
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
  border: 2px solid var(--color-border);
  color: var(--color-text-primary);
}

.modal-btn.secondary:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
  transform: translateY(-1px);
}

.modal-btn.ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.modal-btn.ghost:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
}

/* Quick Start Options */
.quick-start-options {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
}

.quick-start-options .modal-btn {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.5rem 2rem;
  text-align: center;
  min-width: auto;
  width: 100%;
}

.quick-start-options .modal-btn span {
  font-size: 1rem;
  font-weight: 700;
}

.quick-start-options .modal-btn small {
  font-size: 0.8rem;
  opacity: 0.8;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

/* Program Modal */
.program-modal .program-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.program-icon {
  font-size: 3rem;
  width: 60px;
  text-align: center;
}

.program-info h3 {
  margin-bottom: 0.5rem;
}

.program-badge {
  background: var(--color-accent-cyan);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-block;
}

.program-description {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 2rem;
}

.program-features {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.8rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  border-left: 3px solid var(--color-accent-cyan);
}

.feature-check {
  color: var(--color-accent-neon);
  font-weight: 700;
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-text {
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.program-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* Contact Modal */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.contact-option {
  text-align: center;
  padding: 2rem 1.5rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  transition: var(--transition-smooth);
}

.contact-option:hover {
  border-color: var(--color-accent-cyan);
  transform: translateY(-3px);
}

.contact-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.contact-option h4 {
  color: var(--color-text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.contact-option p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.contact-btn {
  background: var(--color-accent-cyan);
  color: var(--color-bg);
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 255, 255, 0.3);
}

.faq-link {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.faq-link a {
  color: var(--color-accent-cyan);
  text-decoration: none;
  font-weight: 500;
}

.faq-link a:hover {
  text-decoration: underline;
}

/* Navigation Actions */
.nav-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.page-preview {
  margin: 2rem 0;
  padding: 2rem;
  background: rgba(0, 255, 255, 0.05);
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: var(--border-radius);
  text-align: center;
}

.preview-note {
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Tier Change Actions */
.tier-change-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* Modal Notes */
.modal-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 1.5rem;
  font-style: italic;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .modal-dialog {
    width: 95%;
    margin: 1rem;
    max-height: 95vh;
  }
  
  .modal-header,
  .modal-body {
    padding: 1.5rem;
  }
  
  .program-header {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .program-actions,
  .nav-actions,
  .tier-change-actions {
    flex-direction: column;
  }
  
  .program-actions .modal-btn,
  .nav-actions .modal-btn,
  .tier-change-actions .modal-btn {
    width: 100%;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-start-options .modal-btn {
    padding: 1.2rem 1.5rem;
  }
}

/* ====================================
   APP PAGES STYLING
   ==================================== */

/* App Page Layout */
.app-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  text-decoration: none;
  color: var(--color-accent-cyan);
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.app-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  text-decoration: none;
  color: var(--color-text-secondary);
  border-radius: 25px;
  transition: var(--transition-smooth);
  font-weight: 500;
}

.nav-item:hover {
  color: var(--color-accent-cyan);
  background: rgba(0, 255, 255, 0.1);
}

.nav-icon {
  font-size: 1.1rem;
}

.app-main {
  flex: 1;
  padding: 3rem 0;
}

.page-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.page-header {
  text-align: center;
  margin-bottom: 4rem;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-electric));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* LOGIN & REGISTER PAGES */
.login-container,
.register-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 70vh;
}

.login-card,
.register-card {
  background: linear-gradient(135deg, var(--color-surface-elevated), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 3rem;
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-strong);
}

.card-header {
  text-align: center;
  margin-bottom: 2rem;
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.card-header h2 {
  color: var(--color-text-primary);
  font-size: 1.8rem;
  font-weight: 600;
}

.form-group {
  margin-bottom: 2rem;
}

.form-group label {
  display: block;
  color: var(--color-text-primary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-group input {
  width: 100%;
  padding: 1rem;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 255, 255, 0.1);
}

.tier-selection,
.program-selection {
  margin-bottom: 2rem;
}

.tier-selection label,
.program-selection label {
  color: var(--color-text-primary);
  font-weight: 500;
  margin-bottom: 1rem;
  display: block;
}

.tier-options {
  display: grid;
  gap: 1rem;
}

.tier-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tier-option:hover {
  border-color: var(--color-accent-cyan);
  background: rgba(0, 255, 255, 0.05);
}

.tier-option input[type="radio"] {
  width: auto;
  margin: 0;
}

.tier-label {
  font-weight: 500;
}

.program-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.program-card {
  display: block;
  cursor: pointer;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  background: var(--color-surface);
  transition: var(--transition-smooth);
  text-align: center;
  position: relative;
}

.program-card:hover {
  border-color: var(--color-accent-cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.program-card input[type="radio"] {
  position: absolute;
  opacity: 0;
}

.program-card input[type="radio"]:checked + .card-content {
  color: var(--color-accent-cyan);
}

.card-content .card-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.card-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.card-content p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.card-badge {
  background: var(--color-accent-cyan);
  color: var(--color-bg);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 10px;
  margin-top: 0.5rem;
  display: inline-block;
}

.login-btn,
.register-btn {
  width: 100%;
  padding: 1.2rem 2rem;
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-electric));
  color: var(--color-bg);
  border: none;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  transition: var(--transition-smooth);
  margin-bottom: 2rem;
}

.login-btn:hover,
.register-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 255, 255, 0.4);
}

.login-footer,
.register-footer {
  text-align: center;
  color: var(--color-text-muted);
}

.login-footer a,
.register-footer a {
  color: var(--color-accent-cyan);
  text-decoration: none;
}

.login-footer a:hover,
.register-footer a:hover {
  text-decoration: underline;
}

/* DASHBOARD PAGE */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3rem;
}

.user-welcome {
  font-size: 1.2rem;
  color: var(--color-accent-cyan);
  font-weight: 500;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.dashboard-card {
  background: linear-gradient(135deg, var(--color-surface-elevated), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.dashboard-card .card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.dashboard-card .card-icon {
  font-size: 1.5rem;
}

.dashboard-card h3 {
  color: var(--color-text-primary);
  font-size: 1.3rem;
  font-weight: 600;
}

.progress-content {
  display: grid;
  gap: 1.5rem;
}

.progress-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
}

.progress-label {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.progress-bar {
  grid-column: 1 / -1;
  height: 8px;
  background: var(--color-surface);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-electric));
  border-radius: 4px;
  transition: width 0.5s ease;
}

.progress-value {
  color: var(--color-accent-cyan);
  font-weight: 700;
  font-family: var(--font-mono);
}

.quick-actions {
  display: grid;
  gap: 1rem;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
  font-weight: 500;
}

.action-btn:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
  transform: translateY(-1px);
}

.action-icon {
  font-size: 1.2rem;
}

.tier-content {
  text-align: center;
}

.current-tier {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-cyan);
  margin-bottom: 0.5rem;
}

.tier-content p {
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

.upgrade-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-electric));
  color: var(--color-bg);
  text-decoration: none;
  border-radius: 25px;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.upgrade-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 255, 255, 0.4);
}

.recent-activities {
  display: grid;
  gap: 1rem;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: var(--color-surface);
  border-radius: 8px;
}

.activity-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.activity-content {
  flex: 1;
}

.activity-title {
  color: var(--color-text-primary);
  font-weight: 500;
  margin-bottom: 0.2rem;
}

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

.foundation-tier {
  border-left: 4px solid #4CAF50;
}

.pro-tier {
  border-left: 4px solid var(--color-accent-cyan);
}

.elite-tier {
  border-left: 4px solid #FFD700;
}

/* LESSONS PAGE */
.lessons-content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 3rem;
}

.lessons-sidebar {
  display: grid;
  gap: 2rem;
  align-content: start;
}

.tier-info {
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-align: center;
}

.tier-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.foundation-badge {
  background: #4CAF50;
  color: white;
}

.pro-badge {
  background: var(--color-accent-cyan);
  color: var(--color-bg);
}

.elite-badge {
  background: #FFD700;
  color: var(--color-bg);
}

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

.course-categories {
  display: grid;
  gap: 0.5rem;
}

.category {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--color-surface);
  border: 2px solid transparent;
  border-radius: 8px;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.category:hover,
.category.active {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
  background: rgba(0, 255, 255, 0.05);
}

.category.tier-locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.category.tier-locked:hover {
  border-color: transparent;
  color: var(--color-text-muted);
  background: var(--color-surface);
}

.category-icon {
  font-size: 1.2rem;
}

.lock-icon {
  margin-left: auto;
  font-size: 0.9rem;
}

.lessons-main {
  display: grid;
  gap: 3rem;
  align-content: start;
}

.course-section h2 {
  color: var(--color-text-primary);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

.lessons-grid {
  display: grid;
  gap: 1.5rem;
}

.lesson-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition-smooth);
}

.lesson-card:hover {
  border-color: var(--color-accent-cyan);
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.lesson-card.completed {
  border-color: #4CAF50;
  background: rgba(76, 175, 80, 0.05);
}

.lesson-card.current {
  border-color: var(--color-accent-cyan);
  background: rgba(0, 255, 255, 0.05);
}

.lesson-status {
  font-size: 1.5rem;
  width: 40px;
  text-align: center;
}

.lesson-content h3 {
  color: var(--color-text-primary);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.lesson-content p {
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

.lesson-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.lesson-duration,
.lesson-type {
  background: var(--color-surface-elevated);
  padding: 0.2rem 0.8rem;
  border-radius: 12px;
}

.upgrade-section {
  margin-top: 2rem;
}

.upgrade-card {
  text-align: center;
  padding: 3rem;
  background: linear-gradient(135deg, var(--color-surface-elevated), var(--color-surface));
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius);
}

.upgrade-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.upgrade-card h3 {
  color: var(--color-text-primary);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.upgrade-card p {
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

/* ACCOUNT PAGE */
.account-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.account-card {
  background: linear-gradient(135deg, var(--color-surface-elevated), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.profile-content {
  display: grid;
  gap: 2rem;
}

.profile-info {
  display: grid;
  gap: 1.5rem;
}

.info-item {
  display: grid;
  gap: 0.5rem;
}

.info-item label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.info-value {
  color: var(--color-text-primary);
  font-size: 1.1rem;
  font-weight: 500;
}

.tier-value {
  color: var(--color-accent-cyan);
  font-weight: 700;
}

.edit-btn,
.save-btn {
  padding: 1rem 2rem;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 25px;
  color: var(--color-text-primary);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.edit-btn:hover,
.save-btn:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
}

.current-tier-display {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.tier-icon {
  font-size: 2.5rem;
}

.tier-details h4 {
  color: var(--color-text-primary);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.tier-details p {
  color: var(--color-text-secondary);
}

.tier-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.tier-action-btn {
  padding: 1rem 1.5rem;
  border: 2px solid var(--color-border);
  border-radius: 25px;
  background: var(--color-surface);
  color: var(--color-text-primary);
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.tier-action-btn:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
}

.tier-action-btn.upgrade {
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-electric));
  color: var(--color-bg);
  border-color: transparent;
}

.tier-action-btn.upgrade:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 255, 255, 0.4);
  color: var(--color-bg);
}

.preferences-content {
  display: grid;
  gap: 1.5rem;
}

.pref-item label {
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  padding: 1rem;
  background: var(--color-surface);
  border-radius: 8px;
  transition: var(--transition-smooth);
}

.pref-item label:hover {
  background: rgba(0, 255, 255, 0.05);
}

.pref-item input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.danger-content {
  display: grid;
  gap: 1rem;
}

.logout-btn,
.danger-btn {
  padding: 1rem 2rem;
  border: 2px solid var(--color-border);
  border-radius: 25px;
  background: var(--color-surface);
  color: var(--color-text-primary);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.logout-btn:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
}

.danger-btn:hover {
  border-color: #ff4444;
  color: #ff4444;
}

/* Mobile Responsive for App Pages */
@media (max-width: 768px) {
  .header-container {
    padding: 0 1rem;
  }
  
  .app-nav {
    gap: 1rem;
  }
  
  .nav-item {
    padding: 0.5rem;
    font-size: 0.9rem;
  }
  
  .nav-text {
    display: none;
  }
  
  .page-container {
    padding: 0 1rem;
  }
  
  .page-title {
    font-size: 2rem;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .lessons-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .lessons-sidebar {
    order: 2;
  }
  
  .lessons-main {
    order: 1;
  }
  
  .account-content {
    grid-template-columns: 1fr;
  }
  
  .login-card,
  .register-card {
    padding: 2rem;
  }
  
  .program-cards {
    grid-template-columns: 1fr;
  }
  
  .tier-actions {
    flex-direction: column;
  }
  
  .tier-action-btn {
    width: 100%;
    text-align: center;
  }
}

/* ====================================
   🎬 CINEMATIC SPLASH EFFECTS INTEGRATION
   ==================================== */

/* ENHANCED BACKGROUND DISPLACEMENT EFFECTS */
.cinematic-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  opacity: 0.15;
}

.ableton-displacement-layer {
  position: absolute;
  width: 120%;
  height: 120%;
  top: -10%;
  left: -10%;
  background-size: cover;
  background-position: center;
  filter: blur(1px) contrast(1.2) brightness(0.7);
  animation: displacement-float 20s ease-in-out infinite;
  opacity: 0;
  transition: opacity 4s ease-in-out;
}

.ableton-displacement-layer.active {
  opacity: 1;
}

.ableton-displacement-layer:nth-child(1) {
  background-image: url('/static/ableton-live-training-hero-image.svg');
  animation-delay: 0s;
}

.ableton-displacement-layer:nth-child(2) {
  background-image: linear-gradient(45deg, rgba(0, 255, 255, 0.1), rgba(255, 0, 128, 0.1));
  animation-delay: 5s;
}

.ableton-displacement-layer:nth-child(3) {
  background-image: radial-gradient(circle at 30% 70%, rgba(57, 255, 20, 0.1), transparent 50%);
  animation-delay: 10s;
}

.ableton-displacement-layer:nth-child(4) {
  background-image: linear-gradient(135deg, rgba(0, 234, 255, 0.1), rgba(255, 0, 128, 0.1));
  animation-delay: 15s;
}

@keyframes displacement-float {
  0%, 100% { 
    transform: translateY(0) translateX(0) scale(1) rotate(0deg);
    filter: blur(1px) contrast(1.2) brightness(0.7) hue-rotate(0deg);
  }
  25% { 
    transform: translateY(-20px) translateX(10px) scale(1.02) rotate(0.5deg);
    filter: blur(1.5px) contrast(1.3) brightness(0.8) hue-rotate(30deg);
  }
  50% { 
    transform: translateY(-10px) translateX(-15px) scale(1.01) rotate(-0.5deg);
    filter: blur(1px) contrast(1.4) brightness(0.6) hue-rotate(60deg);
  }
  75% { 
    transform: translateY(15px) translateX(5px) scale(1.03) rotate(0.3deg);
    filter: blur(2px) contrast(1.1) brightness(0.9) hue-rotate(90deg);
  }
}

/* ENHANCED CURSOR EFFECTS */
.cursor-trail {
  width: 30px;
  height: 30px;
  background: radial-gradient(circle, var(--color-accent-cyan) 0%, var(--color-accent-electric) 50%, transparent 70%);
  box-shadow: 0 0 20px var(--color-accent-cyan);
}

.cursor-trail::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  border: 2px solid rgba(0, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: cursor-pulse 1.5s ease-out infinite;
}

@keyframes cursor-pulse {
  0% { 
    transform: translate(-50%, -50%) scale(0.8); 
    opacity: 1; 
  }
  100% { 
    transform: translate(-50%, -50%) scale(2); 
    opacity: 0; 
  }
}

/* ENHANCED PARTICLE SYSTEM */
.ambient-particles {
  z-index: 2;
}

.particle {
  background: var(--color-accent-cyan);
  box-shadow: 0 0 10px var(--color-accent-cyan);
  animation-duration: 15s;
}

.particle:nth-child(1) {
  left: 10%;
  animation-delay: 0s;
  width: 3px;
  height: 3px;
}

.particle:nth-child(2) {
  left: 50%;
  animation-delay: 5s;
  width: 2px;
  height: 2px;
  background: var(--color-accent-electric);
  box-shadow: 0 0 15px var(--color-accent-electric);
}

.particle:nth-child(3) {
  left: 80%;
  animation-delay: 10s;
  width: 4px;
  height: 4px;
  background: var(--color-accent-neon);
  box-shadow: 0 0 12px var(--color-accent-neon);
}

/* Add more particles for cinematic effect */
.particle:nth-child(4) {
  left: 25%;
  animation-delay: 2s;
  width: 2px;
  height: 2px;
  background: var(--color-accent-pink);
  box-shadow: 0 0 8px var(--color-accent-pink);
}

.particle:nth-child(5) {
  left: 70%;
  animation-delay: 7s;
  width: 3px;
  height: 3px;
}

.particle:nth-child(6) {
  left: 90%;
  animation-delay: 12s;
  width: 2px;
  height: 2px;
  background: var(--color-accent-electric);
  box-shadow: 0 0 10px var(--color-accent-electric);
}

/* ENHANCED LOGO GLITCH EFFECTS */
.glitch-logo {
  position: relative;
  z-index: 3;
}

.glitch-logo::before,
.glitch-logo::after {
  z-index: -1;
  animation: none;
}

.glitch-logo:hover::before,
.glitch-logo.glitch-active::before {
  animation: glitch-1 0.3s ease-out infinite;
}

.glitch-logo:hover::after,
.glitch-logo.glitch-active::after {
  animation: glitch-2 0.3s ease-out infinite;
}

/* CINEMATIC ENTER THE LAB BUTTON */
.enter-lab-btn {
  position: relative;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border: 2px solid var(--color-accent-cyan);
  color: var(--color-text-primary);
  padding: 1.5rem 3rem;
  border-radius: 25px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s ease;
  margin: 2rem 0;
  z-index: 3;
}

.enter-lab-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
  transition: left 0.8s ease;
}

.enter-lab-btn:hover {
  border-color: var(--color-accent-electric);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
  transform: translateY(-2px);
}

.enter-lab-btn:hover::before {
  left: 100%;
}

.enter-lab-btn:active {
  transform: translateY(0);
}

/* REACTIVE MOUSE MOVEMENT EFFECTS */
.mouse-reactive {
  transition: transform 0.1s ease-out;
}

.hero-content {
  transition: transform 0.15s ease-out;
}

/* ENHANCED HERO SECTION */
.hero-laboratory {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-laboratory::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 255, 255, 0.05) 0%, transparent 70%);
  z-index: 1;
}

/* GLITCH INTENSITY LEVELS */
.glitch-subtle::before,
.glitch-subtle::after {
  opacity: 0.3;
}

.glitch-medium::before,
.glitch-medium::after {
  opacity: 0.6;
}

.glitch-intense::before,
.glitch-intense::after {
  opacity: 1;
}

/* MOBILE OPTIMIZATIONS */
@media (max-width: 768px) {
  .cinematic-background {
    opacity: 0.08;
  }
  
  .ableton-displacement-layer {
    animation-duration: 25s;
    filter: blur(2px) contrast(1.1) brightness(0.5);
  }
  
  .cursor-trail {
    width: 20px;
    height: 20px;
  }
  
  .cursor-trail::before {
    width: 40px;
    height: 40px;
  }
  
  .enter-lab-btn {
    padding: 1.2rem 2rem;
    font-size: 1rem;
  }
  
  .particle {
    display: none; /* Hide particles on mobile for performance */
  }
}

/* ====================================
   💰 PRICING CARDS ENHANCEMENT
   ==================================== */

.card-price {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent-cyan);
  text-align: center;
  margin: 0.5rem 0;
  padding: 0.5rem;
  background: rgba(0, 255, 255, 0.1);
  border-radius: 8px;
  border: 1px solid rgba(0, 255, 255, 0.2);
}

.program-card:hover .card-price {
  background: rgba(0, 255, 255, 0.2);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.foundation-card .card-price {
  color: var(--color-accent-neon);
  background: rgba(57, 255, 20, 0.1);
  border-color: rgba(57, 255, 20, 0.2);
}

.foundation-card:hover .card-price {
  background: rgba(57, 255, 20, 0.2);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.3);
}

.elite-card .card-price {
  color: var(--color-accent-pink);
  background: rgba(255, 0, 128, 0.1);
  border-color: rgba(255, 0, 128, 0.2);
}

.elite-card:hover .card-price {
  background: rgba(255, 0, 128, 0.2);
  box-shadow: 0 0 10px rgba(255, 0, 128, 0.3);
}

/* ====================================
   🎬 LAB ACCESS PORTAL - CINEMATIC LOGIN
   ==================================== */

.lab-access-portal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s ease;
}

.lab-access-portal.active {
  opacity: 1;
  visibility: visible;
}

.portal-container {
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
  border: 2px solid var(--color-accent-cyan);
  border-radius: 20px;
  padding: 3rem;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 
    0 0 50px rgba(0, 255, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  animation: portal-materialize 0.8s ease-out;
}

@keyframes portal-materialize {
  0% {
    transform: scale(0.8) rotateX(15deg);
    opacity: 0;
  }
  100% {
    transform: scale(1) rotateX(0deg);
    opacity: 1;
  }
}

.portal-header {
  text-align: center;
  margin-bottom: 2rem;
}

.portal-title {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  position: relative;
}

.portal-subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.access-mode-toggle {
  display: flex;
  background: var(--color-bg);
  border-radius: 25px;
  padding: 4px;
  margin: 0 auto;
  width: fit-content;
}

.mode-btn {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  padding: 0.8rem 2rem;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.mode-btn.active {
  background: var(--color-accent-cyan);
  color: var(--color-bg);
}

.mode-btn:not(.active):hover {
  color: var(--color-accent-cyan);
}

.portal-content {
  position: relative;
}

.access-form {
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.4s ease;
}

.access-form.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.form-header {
  margin-bottom: 2rem;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-neon);
  border-radius: 50%;
  animation: pulse-status 2s ease-in-out infinite;
}

.status-dot.online {
  background: var(--color-accent-neon);
}

@keyframes pulse-status {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.lab-form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.lab-label {
  display: block;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.lab-input {
  width: 100%;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  color: var(--color-text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  position: relative;
}

.lab-input:focus {
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
  outline: none;
}

.input-glow {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent-cyan);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.lab-input:focus + .input-glow {
  width: 100%;
}

.tier-selector,
.program-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.tier-option,
.program-option {
  cursor: pointer;
}

.tier-option input,
.program-option input {
  display: none;
}

.tier-card,
.program-card {
  display: block;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.tier-card:hover,
.program-card:hover {
  border-color: var(--color-accent-cyan);
  transform: translateY(-2px);
}

.tier-option input:checked + .tier-card,
.program-option input:checked + .program-card {
  border-color: var(--color-accent-cyan);
  background: rgba(0, 255, 255, 0.05);
}

.tier-name,
.program-name {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.tier-desc,
.program-desc {
  color: var(--color-text-secondary);
  font-size: 0.8rem;
}

.program-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  display: block;
}

.lab-access-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--color-accent-cyan) 0%, var(--color-accent-electric) 100%);
  border: none;
  border-radius: 25px;
  padding: 1.5rem;
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  margin-top: 2rem;
}

.lab-access-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 255, 255, 0.4);
}

.lab-access-btn .btn-text {
  position: relative;
  z-index: 2;
}

.lab-access-btn .btn-icon {
  margin-left: 1rem;
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.lab-access-btn:hover .btn-icon {
  transform: translateX(5px);
}

.btn-scan-line {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.lab-access-btn:hover .btn-scan-line {
  left: 100%;
}

.portal-footer {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.portal-close-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 0.8rem 1.5rem;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.portal-close-btn:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
}

.portal-bg-effects {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.scanning-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.3;
  animation: grid-scan 10s linear infinite;
}

@keyframes grid-scan {
  0% { transform: translate(0, 0); }
  100% { transform: translate(20px, 20px); }
}

.data-stream {
  position: absolute;
  top: 50%;
  left: -10px;
  width: 2px;
  height: 60%;
  background: linear-gradient(to bottom, transparent, var(--color-accent-cyan), transparent);
  animation: data-flow 3s ease-in-out infinite;
}

@keyframes data-flow {
  0% { left: -10px; opacity: 0; }
  50% { opacity: 1; }
  100% { left: calc(100% + 10px); opacity: 0; }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
  .portal-container {
    padding: 2rem;
    margin: 1rem;
  }
  
  .portal-title {
    font-size: 1.5rem;
  }
  
  .tier-selector,
  .program-selector {
    grid-template-columns: 1fr;
  }
}