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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #ffffff;
  background: linear-gradient(135deg, #0f172a 0%, #581c87 50%, #0f172a 100%);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
  padding: 1rem 0;
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-icon {
  font-size: 2rem;
  color: #a855f7;
}

.nav-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: #ffffff;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: #a855f7;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 0.5rem;
  margin-top: 1rem;
  padding: 1rem;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav-link {
  color: #ffffff;
  text-decoration: none;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.mobile-nav-link:hover {
  color: #a855f7;
}

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

.hero-background {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(147, 51, 234, 0.2), rgba(59, 130, 246, 0.2));
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 1rem;
  max-width: 64rem;
  margin: 0 auto;
}

.hero-icon {
  margin-bottom: 2rem;
}

.hero-icon i {
  font-size: 6rem;
  color: #a855f7;
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: bold;
  color: #ffffff;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #a855f7, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: clamp(1.25rem, 3vw, 2rem);
  color: #d1d5db;
  margin-bottom: 2rem;
  line-height: 1.5;
}

.highlight-purple {
  color: #a855f7;
  font-weight: 600;
}

.highlight-blue {
  color: #3b82f6;
  font-weight: 600;
}

.highlight-green {
  color: #10b981;
  font-weight: 600;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.btn {
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(to right, #7c3aed, #2563eb);
  color: #ffffff;
}

.btn-primary:hover {
  background: linear-gradient(to right, #6d28d9, #1d4ed8);
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid #a855f7;
  color: #a855f7;
  background: transparent;
}

.btn-outline:hover {
  background: #a855f7;
  color: #ffffff;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-indicator i {
  font-size: 2rem;
  color: #a855f7;
}

/* Sections */
section {
  padding: 5rem 0;
}

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

.section-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: bold;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.section-description {
  font-size: 1.25rem;
  color: #d1d5db;
  max-width: 48rem;
  margin: 0 auto;
}

/* Specifications */
.specs {
  background: rgba(0, 0, 0, 0.1);
}

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

.spec-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(147, 51, 234, 0.3);
  backdrop-filter: blur(10px);
  border-radius: 0.5rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.spec-card:hover {
  border-color: rgba(147, 51, 234, 0.5);
  transform: translateY(-5px);
}

.spec-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

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

.spec-header h3 {
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 600;
}

.spec-model {
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.spec-details {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  color: #d1d5db;
}

.spec-description {
  font-size: 0.75rem;
  color: #9ca3af;
}

/* Color classes */
.purple {
  color: #a855f7;
}
.blue {
  color: #3b82f6;
}
.green {
  color: #10b981;
}
.yellow {
  color: #f59e0b;
}
.orange {
  color: #f97316;
}
.cyan {
  color: #06b6d4;
}

/* Features */
.features {
  background: rgba(0, 0, 0, 0.2);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.feature-card {
  border-radius: 0.5rem;
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.gradient-purple-blue {
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.5), rgba(59, 130, 246, 0.5));
  border: 1px solid rgba(147, 51, 234, 0.3);
}

.gradient-green-teal {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.5), rgba(20, 184, 166, 0.5));
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.gradient-orange-red {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.5), rgba(239, 68, 68, 0.5));
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.gradient-purple-pink {
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.5), rgba(236, 72, 153, 0.5));
  border: 1px solid rgba(147, 51, 234, 0.3);
}

.feature-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.feature-icon {
  font-size: 2rem;
}

.feature-header h3 {
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 600;
}

.feature-content p {
  font-size: 1.125rem;
  line-height: 1.6;
  color: #d1d5db;
  margin-bottom: 1rem;
}

.feature-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.badge {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
}

.badge.blue {
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
}
.badge.green {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
}
.badge.orange {
  background: rgba(249, 115, 22, 0.2);
  color: #fdba74;
}
.badge.purple {
  background: rgba(147, 51, 234, 0.2);
  color: #c4b5fd;
}

/* Tabs */
.tabs {
  width: 100%;
}

.tab-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(147, 51, 234, 0.3);
  border-radius: 0.5rem;
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 1rem;
  background: none;
  border: none;
  color: #d1d5db;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
  font-weight: 500;
}

.tab-btn.active {
  background: #7c3aed;
  color: #ffffff;
}

.tab-btn:hover {
  background: rgba(124, 58, 237, 0.5);
  color: #ffffff;
}

.tab-content {
  margin-top: 2rem;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Components */
.components-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.component-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(147, 51, 234, 0.3);
  backdrop-filter: blur(10px);
  border-radius: 0.5rem;
  padding: 1.5rem;
}

.component-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

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

.component-header h3 {
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 600;
}

.component-model {
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.component-description {
  font-size: 0.875rem;
  color: #d1d5db;
}

/* Pricing */
.pricing {
  background: rgba(0, 0, 0, 0.2);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.pricing-card {
  border-radius: 0.5rem;
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.gradient-blue-cyan {
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.5), rgba(6, 182, 212, 0.5));
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.pricing-header h3 {
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.tool-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tool-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(156, 163, 175, 0.3);
}

.tool-price {
  text-align: right;
}

.price {
  color: #10b981;
  font-weight: 600;
}

.price.total {
  color: #a855f7;
  font-size: 1.125rem;
}

.durability {
  font-size: 0.75rem;
  color: #9ca3af;
}

.tool-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid #7c3aed;
  font-weight: bold;
  color: #ffffff;
}

.cost-breakdown h4 {
  color: #a855f7;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.cost-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.cost-value {
  color: #10b981;
}

.cost-value.total {
  color: #a855f7;
  font-weight: bold;
}

.cost-total {
  display: flex;
  justify-content: space-between;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(156, 163, 175, 0.3);
  font-weight: 600;
}

.time-info {
  background: rgba(0, 0, 0, 0.3);
  padding: 1rem;
  border-radius: 0.5rem;
  margin-top: 1.5rem;
}

.time-info h4 {
  color: #f59e0b;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.time-item {
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.time-value.green {
  color: #10b981;
}
.time-value.orange {
  color: #f97316;
}

/* Parts Grid */
.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.part-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(147, 51, 234, 0.3);
  backdrop-filter: blur(10px);
  border-radius: 0.5rem;
  padding: 1.5rem;
}

.part-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

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

.part-header h3 {
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 600;
}

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

.part-price {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.part-description {
  font-size: 0.875rem;
  color: #9ca3af;
}

/* Summary */
.summary-card {
  max-width: 64rem;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.5), rgba(59, 130, 246, 0.5));
  border: 1px solid rgba(147, 51, 234, 0.3);
  backdrop-filter: blur(10px);
  border-radius: 0.5rem;
  padding: 2rem;
}

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

.summary-header h3 {
  color: #ffffff;
  font-size: 2rem;
  font-weight: 600;
}

.total-price {
  text-align: center;
  margin-bottom: 2rem;
}

.price-value {
  font-size: 4rem;
  font-weight: bold;
  background: linear-gradient(to right, #a855f7, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.price-description {
  font-size: 1.25rem;
  color: #d1d5db;
}

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

.summary-section {
  background: rgba(0, 0, 0, 0.3);
  padding: 1.5rem;
  border-radius: 0.5rem;
}

.summary-section h4 {
  color: #a855f7;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.summary-value {
  color: #10b981;
}

.summary-value.total {
  color: #a855f7;
  font-weight: bold;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(156, 163, 175, 0.3);
  font-weight: bold;
}

.summary-note p {
  font-size: 0.875rem;
  color: #9ca3af;
}

.conclusion {
  background: linear-gradient(to right, rgba(147, 51, 234, 0.2), rgba(59, 130, 246, 0.2));
  padding: 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(147, 51, 234, 0.3);
}

.conclusion h4 {
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.conclusion p {
  color: #d1d5db;
  line-height: 1.6;
}

/* Footer */
.footer {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  padding: 3rem 0;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.footer-icon {
  font-size: 2rem;
  color: #a855f7;
}

.footer-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: #ffffff;
}

.footer-description {
  color: #9ca3af;
  margin-bottom: 1rem;
}

.footer-copyright {
  font-size: 0.875rem;
  color: #6b7280;
}

/* Animations */
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes bounce {
  0%,
  20%,
  53%,
  80%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  40%,
  43% {
    transform: translate3d(0, -30px, 0);
  }
  70% {
    transform: translate3d(0, -15px, 0);
  }
  90% {
    transform: translate3d(0, -4px, 0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .mobile-menu.active {
    display: flex;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .parts-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .tab-buttons {
    grid-template-columns: 1fr;
  }

  .price-value {
    font-size: 3rem;
  }
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.5rem;
  }

  section {
    padding: 3rem 0;
  }

  .hero-title {
    font-size: 3rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .price-value {
    font-size: 2.5rem;
  }

  .specs-grid,
  .components-grid,
  .parts-grid {
    grid-template-columns: 1fr;
  }
}