/* ========================================
   Performance Page Styles
======================================== */

/* Performance Hero */
.performance-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--space-2xl) var(--space-2xl);
  overflow: hidden;
}

.performance-hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 1200px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s var(--ease-out-expo) 0.3s forwards;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.hero-stat-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  transition: all var(--duration-normal) var(--ease-out-expo);
  opacity: 0;
  transform: translateY(30px);
}

.hero-stat-card:nth-child(1) { animation: fadeInUp 0.8s var(--ease-out-expo) 0.6s forwards; }
.hero-stat-card:nth-child(2) { animation: fadeInUp 0.8s var(--ease-out-expo) 0.7s forwards; }
.hero-stat-card:nth-child(3) { animation: fadeInUp 0.8s var(--ease-out-expo) 0.8s forwards; }
.hero-stat-card:nth-child(4) { animation: fadeInUp 0.8s var(--ease-out-expo) 0.9s forwards; }

.hero-stat-card:hover {
  border-color: rgba(196, 30, 58, 0.3);
  transform: translateY(-5px);
}

.stat-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 30, 58, 0.1);
  border-radius: 50%;
  color: var(--accent-red);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-red), #e85d75);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-unit {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-align: center;
}

/* Engine Section */
.engine-section {
  padding: var(--space-2xl);
  background: var(--bg-secondary);
}

.section-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  max-width: 1400px;
  margin: 0 auto;
  align-items: center;
}

.split-content {
  max-width: 600px;
}

.section-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.engine-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.engine-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.engine-feature:hover {
  border-color: rgba(196, 30, 58, 0.2);
  background: rgba(255, 255, 255, 0.03);
}

.feature-icon-small {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 30, 58, 0.1);
  border-radius: 12px;
  color: var(--accent-red);
  flex-shrink: 0;
}

.engine-feature h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.engine-feature p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.split-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.performance-meter {
  width: 100%;
  max-width: 400px;
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
}

.rpm-gauge {
  width: 100%;
  height: auto;
}

.gauge-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  fill: var(--text-primary);
}

.gauge-label {
  font-size: 0.875rem;
  font-weight: 500;
  fill: var(--text-muted);
  letter-spacing: 0.1em;
}

.gauge-fill {
  animation: fillGauge 2s var(--ease-out-expo) forwards;
}

@keyframes fillGauge {
  to {
    stroke-dashoffset: 0;
  }
}

/* Transmission Section */
.transmission-section {
  padding: var(--space-2xl);
  background: var(--bg-primary);
}

.transmission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.transmission-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.transmission-card:hover {
  border-color: rgba(196, 30, 58, 0.3);
  transform: translateY(-5px);
}

.trans-visual {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.gear-display {
  text-align: center;
}

.gear-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-red), #e85d75);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gear-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-xs);
}

.shift-indicator {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-end;
}

.shift-bar {
  width: 12px;
  height: 40px;
  background: rgba(196, 30, 58, 0.2);
  border-radius: 6px;
  animation: pulse 1s ease-in-out infinite;
}

.shift-bar:nth-child(1) { animation-delay: 0s; height: 30px; }
.shift-bar:nth-child(2) { animation-delay: 0.2s; height: 50px; }
.shift-bar:nth-child(3) { animation-delay: 0.4s; height: 40px; }
.shift-bar:nth-child(4) { animation-delay: 0.6s; height: 60px; }

@keyframes pulse {
  0%, 100% { background: rgba(196, 30, 58, 0.2); }
  50% { background: rgba(196, 30, 58, 0.8); }
}

.paddle-icon {
  display: flex;
  gap: var(--space-md);
  color: var(--accent-red);
  opacity: 0.8;
}

.transmission-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.transmission-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Acceleration Section */
.acceleration-section {
  padding: var(--space-2xl);
  background: var(--bg-secondary);
}

.acceleration-content {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.acceleration-track {
  position: relative;
  margin: var(--space-2xl) 0;
  padding: var(--space-2xl) 0;
}

.track-line {
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.track-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-red), #e85d75);
  border-radius: 2px;
  transition: width 4.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.track-line.active::after {
  width: 100%;
}

.track-car {
  position: absolute;
  top: -20px;
  left: 0;
  color: var(--accent-red);
  transition: left 4.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.track-car.active {
  left: calc(100% - 80px);
}

.track-markers {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-lg);
}

.track-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.marker-dot {
  width: 8px;
  height: 8px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
}

.marker-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.track-timer {
  position: absolute;
  top: 80%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-red);
  text-shadow: 0 0 30px rgba(196, 30, 58, 0.5);
}

.acceleration-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 1rem 2rem;
  margin-top: var(--space-lg);
  background: linear-gradient(135deg, var(--accent-red), #e85d75);
  border: none;
  border-radius: 100px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-expo);
  box-shadow: 0 10px 40px rgba(196, 30, 58, 0.3);
}

.acceleration-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 50px rgba(196, 30, 58, 0.4);
}

.acceleration-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Handling Section */
.handling-section {
  padding: var(--space-2xl);
  background: var(--bg-primary);
}

.handling-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.handling-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: var(--space-lg);
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.handling-card:hover {
  border-color: rgba(196, 30, 58, 0.3);
  transform: translateY(-5px);
}

.handling-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-xl);
  align-items: center;
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.1), rgba(196, 30, 58, 0.05));
  border-color: rgba(196, 30, 58, 0.2);
}

.handling-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 30, 58, 0.1);
  border-radius: 16px;
  color: var(--accent-red);
  margin-bottom: var(--space-md);
}

.handling-card.featured .handling-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 0;
}

.handling-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.handling-card.featured h3 {
  font-size: 1.5rem;
}

.handling-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.handling-stats {
  display: flex;
  gap: var(--space-xl);
}

.handling-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stat-val {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-red);
}

.stat-lbl {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* Drive Modes Section */
.drive-modes-section {
  padding: var(--space-2xl);
  background: var(--bg-secondary);
}

.drive-modes-selector {
  max-width: 1200px;
  margin: 0 auto;
}

.mode-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.mode-btn {
  padding: 0.875rem 2rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.mode-btn:hover {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-primary);
}

.mode-btn.active {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: var(--text-primary);
}

.mode-display {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: var(--space-2xl);
  min-height: 400px;
}

.mode-content {
  position: absolute;
  inset: var(--space-2xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.mode-content.active {
  opacity: 1;
  visibility: visible;
  position: relative;
  inset: 0;
}

.mode-content h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.mode-content p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.mode-settings {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.setting-bar {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.setting-bar span {
  min-width: 120px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.setting-bar .bar {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.setting-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-red), #e85d75);
  border-radius: 4px;
  transition: width 0.8s var(--ease-out-expo);
}

/* Performance CTA Section */
.performance-cta-section {
  padding: var(--space-2xl);
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.15), rgba(196, 30, 58, 0.05));
}

.performance-cta-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.performance-cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.performance-cta-text {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.performance-cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ========================================
   Responsive Design
======================================== */

@media (max-width: 1200px) {
  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-split {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .split-content {
    max-width: 100%;
  }

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

  .handling-card.featured {
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
    text-align: center;
  }

  .handling-card.featured .handling-icon {
    margin: 0 auto var(--space-md);
  }

  .handling-stats {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .performance-hero {
    padding: 100px var(--space-md) var(--space-xl);
  }

  .hero-stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .transmission-grid,
  .handling-grid {
    grid-template-columns: 1fr;
  }

  .mode-buttons {
    gap: var(--space-xs);
  }

  .mode-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.8rem;
  }

  .mode-display {
    padding: var(--space-lg);
  }

  .mode-content h3 {
    font-size: 1.5rem;
  }

  .mode-content p {
    font-size: 1rem;
  }

  .setting-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .setting-bar span {
    min-width: auto;
  }

  .setting-bar .bar {
    width: 100%;
  }

  .track-car svg {
    width: 60px;
    height: 30px;
  }

  .track-timer {
    font-size: 2rem;
  }

  .performance-cta-buttons {
    flex-direction: column;
  }

  .cta-button-large,
  .cta-button-outline {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .performance-hero {
    padding: 80px var(--space-sm) var(--space-lg);
  }

  .stat-icon {
    width: 48px;
    height: 48px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .gear-number {
    font-size: 3rem;
  }

  .track-markers {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
}