/* Enhanced BMW M Website Styling */
:root {
  --bg: #ffffff;
  --muted: #f4f4f5;
  --gray: #bfc3c6;
  --text: #111111;
  --accent: #000000;
  --container: 1100px;
  --m-blue: #0066cc;
  --m-red: #ff0000;
  --m-light-blue: #1e90ff;
  --gradient-m: linear-gradient(135deg, var(--m-blue), var(--accent));
  --gradient-hero: linear-gradient(160deg, #000022, #000000);
  --gradient-hover: linear-gradient(135deg, var(--m-light-blue), var(--m-blue));
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.15);
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  --glass-bg: rgba(255,255,255,0.03);
  --glass-border: rgba(255,255,255,0.08);
}

/* Animation Keyframes */
@keyframes floatUp {
  0% { transform: translateY(20px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

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

@keyframes glowPulse {
  0%, 100% { filter: drop-shadow(0 0 5px var(--m-blue)); }
  50% { filter: drop-shadow(0 0 15px var(--m-blue)); }
}

@keyframes slideInRight {
  0% { transform: translateX(-100px); opacity: 0; }
  100% { transform: translateX(0); opacity: 1; }
}

@keyframes drawLine {
  0% { stroke-dashoffset: 1000; }
  100% { stroke-dashoffset: 0; }
}

/* Enhanced Base Styles */

*{box-sizing:border-box}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
html,body{height:100%;margin:0;font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;color:var(--text);background:var(--bg)}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}

@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }
}

.site-header {
  border-bottom: 1px solid var(--glass-border);
  background: rgba(0,0,0,0.85);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  backdrop-filter: blur(20px);
  z-index: 100;
  transition: all var(--transition-medium);
}

.site-header.scrolled {
  background: rgba(0,0,0,0.95);
  transform: translateY(-100%);
}

.site-header.scroll-up {
  transform: translateY(0);
  box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  transition: padding var(--transition-medium);
}

.scrolled .header-inner {
  padding: 0.75rem 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.brand:hover {
  transform: translateX(4px);
}

.brand-logo {
  position: relative;
  width: 40px;
  height: 40px;
  transition: transform var(--transition-medium);
}

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

.brand-icon {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 8px rgba(26,117,255,0.3));
}

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

.brand-name {
  color: #fff;
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.2;
}

.brand-tagline {
  color: var(--m-blue);
  font-size: 0.8rem;
  opacity: 0.8;
}

.brand {
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 24px;
  background: var(--m-blue);
  border-radius: 4px;
  transform: skew(-10deg);
}

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

.nav a {
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all var(--transition-medium);
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.nav-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-medium);
}

.nav a:hover {
  background: var(--glass-bg);
  transform: translateY(-2px);
  border-color: var(--m-blue);
  box-shadow: 0 4px 20px rgba(26,117,255,0.15);
}

.nav a:hover .nav-icon {
  transform: scale(1.1);
  color: var(--m-blue);
}

.nav a.active {
  background: var(--m-blue);
  border-color: var(--m-blue);
  color: white;
}

.nav a.active .nav-icon {
  color: white;
}

.main {
  padding: 40px 20px;
  margin-top: 80px;
}

@media (max-width: 768px) {
  .main {
    padding: 30px 15px;
    margin-top: 100px;
  }
}

@media (max-width: 480px) {
  .main {
    padding: 20px 12px;
    margin-top: 120px;
  }
}
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #000033, #000000);
  margin: -40px -20px 40px;
  color: white;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(26,117,255,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(26,117,255,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--m-blue), transparent);
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 50% 50%, var(--m-blue) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.1;
  animation: fadeIn 2s ease-out;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><rect width="20" height="20" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
  opacity: 0.3;
  animation: gradientMove 20s linear infinite;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 4rem;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.hero-copy {
  flex: 1;
  opacity: 0;
  animation: fadeIn 1s ease-out forwards;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  margin-bottom: 2rem;
  transition: all var(--transition-medium);
}

.badge:hover {
  transform: translateY(-2px);
  border-color: var(--m-blue);
  box-shadow: 0 4px 20px rgba(26,117,255,0.15);
}

.badge-icon {
  width: 20px;
  height: 20px;
  color: var(--m-blue);
}

.badge span {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 4.5rem;
  line-height: 1.1;
  margin: 0 0 1rem;
  background: linear-gradient(135deg, #fff 0%, var(--m-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0;
  animation: fadeIn 1s ease-out 0.3s forwards;
}

.hero-subtitle {
  color: var(--m-blue);
  font-size: 1.5rem;
  margin: 0 0 1.5rem;
  opacity: 0;
  animation: fadeIn 1s ease-out 0.6s forwards;
}

.hero-text {
  color: #999;
  font-size: 1.1rem;
  line-height: 1.8;
  margin: 0 0 3rem;
  opacity: 0;
  animation: fadeIn 1s ease-out 0.9s forwards;
  max-width: 600px;
}

.hero-copy {
  flex: 1;
}

.hero-copy h1 {
  margin: 0;
  font-size: 4.2rem;
  letter-spacing: -0.5px;
  line-height: 1.1;
  background: linear-gradient(90deg, #fff, var(--m-blue));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #fff;
  font-weight: 800;
  transform: translateY(20px);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--m-blue);
  margin: 20px 0;
  font-weight: 500;
}

.hero-copy p {
  color: rgba(255,255,255,0.9);
  margin-top: 16px;
  line-height: 1.6;
  font-size: 1.1rem;
}

.series-note {
  margin-top: 24px;
  padding: 20px;
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
}

.series-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--m-blue);
  font-size: 1.1rem;
}

.hero-cta {
  margin-top: 32px;
}

.btn {
  display: inline-block;
  background: var(--m-blue);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid rgba(255,255,255,0.1);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  opacity: 1;
}

.hero-image {
  width: 48%;
  max-width: 520px;
}

.car-silhouette {
  width: 100%;
  height: 120px;
  filter: drop-shadow(0 4px 12px rgba(0,102,204,0.3));
}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:28px}
.card{display:block;background:linear-gradient(180deg,#fff,#fbfbfb);border:1px solid var(--muted);border-radius:12px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .18s ease, box-shadow .18s ease}
.card:hover{transform:translateY(-6px);box-shadow:0 10px 30px rgba(0,0,0,0.09)}
.card-thumb{height:120px;background-size:cover;background-position:center;background-color:var(--muted)}
.card-inner{padding:20px}
.card-inner h3{margin:0 0 8px 0;font-size:1.1rem;color:var(--accent);line-height:1.3}
.card-inner p{margin:8px 0 0;color:var(--gray);font-size:0.95rem;line-height:1.4}
.card:hover .card-inner h3{color:#0066cc}

.m-header {
  background: linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0.7));
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.m-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem var(--side-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.m-generations {
  display: flex;
  gap: 1.5rem;
  margin: 0 2rem;
}

.m-generations a {
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
}

.m-generations a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--m-blue);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.m-generations a:hover::after,
.m-generations a.active::after {
  width: 100%;
}

.m-generations a.active {
  background: rgba(26,117,255,0.1);
  color: var(--m-blue);
}

.hero.m-gradient {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: linear-gradient(135deg, #000000, #1a1a1a);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero.m-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(26,117,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero.m-gradient h1 {
  font-size: 4.5rem;
  margin: 0;
  background: linear-gradient(to right, #fff, var(--m-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  z-index: 1;
}

.hero.m-gradient h2 {
  font-size: 1.5rem;
  color: var(--m-blue);
  margin: 1rem 0;
  font-weight: 400;
}

.hero-year {
  font-size: 1.25rem;
  color: #666;
  margin: 0.5rem 0;
}

.specs {
  padding: 6rem var(--side-padding);
  background: #0c0c0c;
  position: relative;
}

.specs::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--m-blue), transparent);
}

.specs h2 {
  text-align: center;
  color: #fff;
  margin-bottom: 4rem;
  font-size: 2rem;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.spec-item {
  text-align: center;
  padding: 2rem;
  background: rgba(255,255,255,0.02);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: all 0.3s ease;
}

.spec-item:hover {
  transform: translateY(-5px);
  border-color: var(--m-blue);
  box-shadow: 0 10px 30px rgba(26,117,255,0.1);
}

.spec-item h3 {
  color: var(--m-blue);
  font-size: 1.1rem;
  margin: 0 0 1rem;
}

.spec-item p {
  color: #fff;
  font-size: 1.5rem;
  margin: 0;
}

.car-image-section {
  padding: 6rem var(--side-padding);
  background: #000;
  position: relative;
  overflow: hidden;
}

.car-image-container {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.car-image-container::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(26,117,255,0.1) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.car-image-container img {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
}

.highlights {
  padding: 6rem var(--side-padding);
  background: #ffffff;
  position: relative;
}

.highlight-item {
  max-width: var(--max-width);
  margin: 0 auto 4rem;
  padding: 3rem;
  background: rgba(255,255,255,0.02);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.05);
  position: relative;
}

.highlight-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--m-blue);
  border-radius: 3px;
}

.highlight-item h2 {
  color: #fff;
  font-size: 1.8rem;
  margin: 0 0 1.5rem;
}

.highlight-item p {
  color: #999;
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0 0 2rem;
}

.highlight-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.highlight-features li {
  color: #888;
  padding-left: 1.5rem;
  position: relative;
}

.highlight-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--m-blue);
  border-radius: 50%;
  transform: translateY(-50%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  margin-top: 2rem;
  color: var(--m-blue);
}

.hero-badge svg {
  width: 20px;
  height: 20px;
}

.hero-badge span {
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.spec-detail {
  display: block;
  color: #666;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  padding: 3rem 2rem 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.car-image-container:hover .image-overlay {
  opacity: 1;
}

.overlay-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.overlay-content h3 {
  color: #fff;
  font-size: 1.5rem;
  margin: 0 0 1rem;
}

.overlay-content p {
  color: #999;
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
}

.legacy {
  padding: 6rem var(--side-padding);
  background: #0c0c0c;
  text-align: center;
}

.legacy h2 {
  color: #fff;
  font-size: 2rem;
  margin: 0 0 3rem;
}

.legacy-content {
  max-width: 800px;
  margin: 0 auto;
}

.legacy p {
  color: #999;
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0 0 3rem;
}

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

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--m-blue);
  line-height: 1;
}

.stat-label {
  color: #666;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

@media (max-width: 768px) {
  .hero.m-gradient h1 {
    font-size: 3rem;
  }
  
  .specs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .highlight-features {
    grid-template-columns: 1fr;
  }
  
  .legacy-stats {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.site-footer {
  background: linear-gradient(to bottom, #1c1c1c, #000000);
  color: #fff;
  padding: 5rem 0 0;
  margin-top: 6rem;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--m-blue), transparent);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  padding-bottom: 4rem;
  position: relative;
}

.footer-content::before {
  content: '';
  position: absolute;
  top: -60px;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--m-blue) 0%, transparent 70%);
  opacity: 0.1;
  border-radius: 50%;
  filter: blur(40px);
}

.footer-brand {
  position: relative;
}

.footer-brand::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--m-blue);
  border-radius: 2px;
}

.footer-brand .brand {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  color: #fff;
  text-decoration: none;
}

.footer-brand .brand-icon {
  width: 36px;
  height: 36px;
}

.footer-brand p {
  color: #999;
  line-height: 1.6;
  margin: 1.5rem 0;
  font-size: 1.1rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin: 2rem 0;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.social-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--m-blue);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.social-icon:hover {
  transform: translateY(-3px);
  border-color: var(--m-blue);
  box-shadow: 0 4px 12px rgba(26,117,255,0.3);
}

.social-icon:hover::before {
  opacity: 0.2;
}

.social-icon svg {
  width: 20px;
  height: 20px;
  position: relative;
  z-index: 1;
}

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

.footer-section h3 {
  color: var(--m-blue);
  font-size: 1rem;
  margin: 0 0 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 0.8rem;
}

.footer-section h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--m-blue);
  border-radius: 1px;
}

.footer-section a {
  color: #999;
  text-decoration: none;
  display: block;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
  position: relative;
  padding-left: 0;
  font-size: 0.95rem;
}

.footer-section a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 1px;
  background: var(--m-blue);
  transition: all 0.3s ease;
  opacity: 0;
}

.footer-section a:hover {
  color: #fff;
  padding-left: 20px;
}

.footer-section a:hover::before {
  width: 12px;
  opacity: 1;
}

.footer-bottom {
  margin-top: 4rem;
  padding: 2rem 0;
  text-align: center;
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.05);
  position: relative;
}

.footer-bottom::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--m-blue), transparent);
}

.footer-bottom p {
  color: #666;
  font-size: 0.875rem;
  margin: 1rem 0 0;
}

.footer-bottom .footer-social {
  justify-content: center;
  margin: 0 0 1.5rem;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

  .footer-brand::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-social {
    justify-content: center;
  }

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

/* Enhanced Hero Stats and CTA */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeIn 1s ease-out 1.2s forwards;
}

.stat-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--m-blue);
  transform: scaleX(0);
  transition: transform var(--transition-medium);
}

.stat-item:hover {
  transform: translateY(-4px);
  border-color: var(--m-blue);
  box-shadow: 0 4px 20px rgba(26,117,255,0.15);
}

.stat-item:hover::before {
  transform: scaleX(1);
}

.stat-icon {
  width: 24px;
  height: 24px;
  color: var(--m-blue);
  margin-bottom: 1rem;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  display: block;
  color: #999;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  opacity: 0;
  animation: fadeIn 1s ease-out 1.5s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.1);
  transform: translateX(-100%) rotate(45deg);
  transition: transform var(--transition-medium);
}

.btn:hover::before {
  transform: translateX(100%) rotate(45deg);
}

.btn-primary {
  background: var(--m-blue);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(26,117,255,0.3);
}

.btn-secondary {
  background: var(--glass-bg);
  color: #fff;
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  border-color: var(--m-blue);
  box-shadow: 0 4px 20px rgba(26,117,255,0.15);
}

.btn-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-medium);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* Car Animation */
.car-animation {
  position: relative;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.car-silhouette {
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.2));
  animation: floatUp 1s ease-out forwards;
}

.car-body {
  animation: glowPulse 3s ease-in-out infinite;
}

.car-line {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 2s ease-out forwards;
}

@media (max-width: 480px) {
  .site-footer {
    padding-top: 3rem;
  }

  .footer-nav {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-section h3::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-section a {
    padding-left: 0;
  }

  .footer-section a:hover {
    padding-left: 0;
  }

  .footer-section a::before {
    display: none;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
  }

  .nav {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
  }

  .header-inner {
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
  }

  .brand-tagline {
    display: inline;
    font-size: 0.7rem;
  }

  .brand {
    flex-direction: row;
    gap: 0.75rem;
  }

  .brand-name {
    font-size: 1rem;
  }

  .nav a {
    padding: 0.75rem 0.5rem;
    font-size: 0.9rem;
  }

  .nav a span {
    display: none;
  }
}

/* Extra small mobile */
@media (max-width: 480px) {
  .site-header {
    padding: 0.75rem 0;
  }

  .header-inner {
    padding: 0.75rem;
  }

  .brand {
    gap: 0.5rem;
  }

  .brand-logo {
    width: 32px;
    height: 32px;
  }

  .brand-name {
    font-size: 0.9rem;
  }

  .brand-tagline {
    display: none;
  }

  .nav {
    flex-direction: row;
    justify-content: space-around;
    gap: 0.25rem;
  }

  .nav a {
    padding: 0.5rem;
    font-size: 0.8rem;
  }
}

/* M5 specific styles */
.m-header {
  background: rgba(0,0,0,0.95);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  transform: translateZ(0);
  transition: transform var(--transition-fast);
}

.m-header.scrolled {
  transform: translateY(-100%);
}

.m-header.scroll-up {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.m-nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.m-nav a {
  color: #fff;
  text-decoration: none;
  position: relative;
  padding: 0.5rem 1rem;
  transition: color var(--transition-fast);
}

.m-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--m-blue);
  transition: all var(--transition-medium);
  transform: translateX(-50%);
}

.m-nav a:hover {
  color: var(--m-blue);
}

.m-nav a:hover::after {
  width: 80%;
}

.m-nav a.active {
  color: var(--m-blue);
}

.m-nav a.active::after {
  width: 80%;
  background: var(--m-blue);
}

.m-generations {
  display: flex;
  gap: 1.5rem;
}

.m-generations a {
  opacity: 0.7;
}

.m-generations a:hover {
  opacity: 1;
}

.m-generations .active {
  color: var(--m-blue);
  opacity: 1;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.m-gradient {
  background: var(--gradient-m);
  color: white;
  padding: 6rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.m-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><rect width="20" height="20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></svg>');
  opacity: 0.3;
  animation: gradientMove 20s linear infinite;
}

@keyframes gradientMove {
  0% { background-position: 0 0; }
  100% { background-position: 40px 40px; }
}

.m-gradient h1 {
  font-size: 4rem;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
  transform: translateY(20px);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  letter-spacing: -0.02em;
}

.m-gradient h2 {
  font-size: 1.8rem;
  margin: 1.5rem 0;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease 0.2s forwards;
  background: linear-gradient(90deg, #fff, var(--m-light-blue));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.m-gradient .hero-year {
  font-size: 1.2rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease 0.4s forwards;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.specs {
  max-width: var(--container);
  margin: 5rem auto;
  padding: 0 2rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

.specs h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  background: var(--gradient-m);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.specs h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--gradient-m);
  border-radius: 2px;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  perspective: 1000px;
}

.spec-item {
  background: #2e2e2e;
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transform-style: preserve-3d;
  transform: translateZ(0);
}

.spec-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-m);
  transform: scaleX(0);
  transition: transform var(--transition-medium);
}

.spec-item:hover {
  transform: translateY(-8px) rotateX(5deg);
  box-shadow: var(--shadow-lg);
}

.spec-item:hover::before {
  transform: scaleX(1);
}

.spec-item h3 {
  color: var(--m-blue);
  margin: 0 0 1rem 0;
}

.spec-item p {
  margin: 0.5rem 0;
  font-size: 1.1rem;
}

.car-image-section {
  max-width: var(--container);
  margin: 3rem auto;
  padding: 0 2rem;
}

.car-image-container {
  position: relative;
  width: 100%;
  height: 500px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.car-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.car-image-container:hover img {
  transform: scale(1.02);
}

.highlights {
  max-width: var(--container);
  margin: 5rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.8s forwards;
}

.highlight-item {
  background: #f8f8f8;
  padding: 2.5rem;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-sm);
}

.highlight-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-m);
  opacity: 0;
  transition: opacity var(--transition-medium);
  z-index: 1;
}

.highlight-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.highlight-item:hover::before {
  opacity: 0.05;
}

.highlight-item h2 {
  color: var(--accent);
  margin: 0 0 1.5rem 0;
  font-size: 1.8rem;
  position: relative;
  padding-bottom: 1rem;
}

.highlight-item h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--gradient-m);
  border-radius: 2px;
  transition: width var(--transition-medium);
}

.highlight-item:hover h2::after {
  width: 80px;
}

.highlight-item p {
  margin: 0;
  line-height: 1.8;
  color: #444;
  position: relative;
  z-index: 2;
}

.m-footer {
  background: var(--accent);
  color: white;
  text-align: center;
  padding: 2rem;
  margin-top: 4rem;
}

.footer-tagline {
  color: var(--m-blue);
  margin: 0.5rem 0 0 0;
  font-style: italic;
}

.m5-nav strong {
  margin-right: 12px;
  color: var(--gray);
}

.m5-nav a {
  color: var(--text);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 4px;
}

.m5-nav a:hover {
  background: var(--muted);
}

.m5-nav .current {
  font-weight: bold;
  color: #0066cc;
  padding: 4px 8px;
}
.btn-m5 {
  background: linear-gradient(90deg, #000, #0066cc);
  color: white;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
  display: inline-block;
  margin-top: 8px;
  font-size: 0.9rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-m5:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  opacity: 1;
}

.callout .btn-m5 {
  background: white;
  color: #000;
}
.m5-showcase {
  background: linear-gradient(to bottom, var(--bg), #f0f0f0);
  padding: 60px 0;
  margin: 40px -20px;
  border-top: 1px solid var(--muted);
  border-bottom: 1px solid var(--muted);
}

.m5-showcase h2 {
  font-size: 2.2rem;
  margin: 0;
  background: linear-gradient(90deg, #000, #333);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #000; /* Fallback */
  text-align: center;
}

.section-intro {
  text-align: center;
  color: var(--gray);
  margin: 12px 0 32px;
  font-size: 1.1rem;
}

.m5-cards {
  padding: 40px 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  background: linear-gradient(to bottom, var(--bg), #f8f8f8);
  border-radius: 12px;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

@media (max-width: 768px) {
  .m5-cards {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    padding: 30px 15px;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .m5-cards {
    grid-template-columns: 1fr;
    padding: 20px 10px;
    gap: 12px;
  }

  .m5-card .card-inner {
    padding: 16px;
  }

  .m5-card .card-inner h3 {
    font-size: 1.1rem;
  }

  .m5-card .card-inner p {
    font-size: 0.9rem;
  }
}

.m5-cards::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: var(--gradient-m);
  opacity: 0.3;
}

.m5-card {
  background: #fff;
  border: none;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.m5-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-m);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.m5-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 12px 36px rgba(0,0,0,0.12);
}

.m5-card:hover::before {
  opacity: 1;
}

.m5-card .card-inner {
  padding: 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(248,248,248,0.5) 100%);
}

.m5-card .card-inner h3 {
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 12px 0;
  transition: all 0.3s ease;
}

.m5-card .card-inner p {
  color: var(--gray);
  line-height: 1.5;
  margin: 0;
  font-size: 0.95rem;
}

.m5-card:hover .card-inner h3 {
  background: var(--gradient-m);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--accent);
  transform: translateX(4px);
}

/* Model page layout */
.model-hero {
    margin: -40px -20px 0;
    position: relative;
    background: var(--gradient-hero);
    height: 480px;
    overflow: hidden;
}

.model-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.8));
}

.model-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.8;
}

.model-details {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
    position: absolute;
    bottom: 40px;
    left: 0;
    right: 0;
    z-index: 1;
    color: white;
}

.model-details h1 {
    font-size: 3rem;
    margin: 0;
    letter-spacing: -0.5px;
    line-height: 1.1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.model-details .hero-subtitle {
    font-size: 1.5rem;
    margin: 12px 0 0;
    color: var(--m-blue);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.specs {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 16px;
    margin-top: 24px;
}

.spec {
    background: var(--muted);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform 0.2s ease;
}

.spec:hover {
    transform: translateY(-2px);
}

/* Contact form */
.contact-form{max-width:620px}
.contact-form label{display:block;margin-bottom:12px}
.contact-form input,.contact-form textarea{width:100%;padding:10px;border:1px solid var(--gray);border-radius:6px}
.contact-form button{background:var(--accent);color:#fff;padding:10px 16px;border-radius:6px;border:none;cursor:pointer}
.form-msg{margin-top:12px;color:var(--gray)}

/* Responsive */
@media (max-width:720px){.model-hero{flex-direction:column}.specs{grid-template-columns:1fr}}

@media (max-width:880px){
  .hero-inner{flex-direction:column-reverse;text-align:center}
  .hero-image{width:100%}
  .hero-copy h1{font-size:1.6rem}
}

/* small improvements for prints and reduced motion */
@media (prefers-reduced-motion:reduce){
  .card, .card-thumb, .hero-image { transition: none }
}

/* Model article styles */
.model-article{margin-top:30px;max-width:800px}
.model-article h3{margin-top:40px;font-size:1.6rem;padding-bottom:8px;border-bottom:2px solid var(--muted)}
.model-article h4{margin-top:24px;color:#666}
.toc{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0;padding:16px;background:linear-gradient(90deg,#fff,#fbfbfb);border-radius:12px;border:1px solid var(--muted)}
.toc strong{display:block;margin-bottom:8px;width:100%}
.toc a{color:var(--text);text-decoration:none;padding:8px 16px;border-radius:8px;background:var(--muted);font-size:0.9rem;transition:transform 0.2s ease}
.toc a:hover{transform:translateY(-2px);background:#e8e8e9}
.lede{color:var(--text);font-size:1.2rem;line-height:1.6;margin:24px 0;padding-left:20px;border-left:4px solid var(--muted)}
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0;background:#fbfbfb;padding:20px;border-radius:12px}
.spec-grid .spec{background:#fff;padding:16px;border-radius:8px;text-align:center;box-shadow:0 2px 4px rgba(0,0,0,0.05)}
.spec-grid .spec strong{display:block;margin-bottom:8px;color:#666;font-size:0.9rem}
.callout{background:linear-gradient(45deg,#000,#222);color:#fff;padding:20px;border-radius:12px;margin:20px 0;box-shadow:0 4px 6px rgba(0,0,0,0.1)}
.callout strong{display:block;margin-bottom:8px;font-size:1.1rem}
.callout p{margin:0;opacity:0.9}
.spec-table{width:100%;border-collapse:collapse;margin:20px 0;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 4px rgba(0,0,0,0.05)}
.spec-table th{width:38%;text-align:left;padding:12px 16px;background:#fbfbfb;color:var(--text)}
.spec-table td{padding:12px 16px;color:var(--gray)}
.spec-table tr:not(:last-child){border-bottom:1px solid var(--muted)}
.note{font-size:0.95rem;color:var(--gray);margin-top:40px;padding:16px;background:#fbfbfb;border-radius:8px}
.model-article ul{padding-left:20px}
.model-article li{margin:8px 0;line-height:1.6}
.model-article a[href="../index.html"]{display:inline-block;margin-top:40px;color:var(--text);text-decoration:none;padding:12px 20px;background:var(--muted);border-radius:8px;transition:transform 0.2s ease}
.model-article a[href="../index.html"]:hover{transform:translateY(-2px)}

/* Model pages navigation */
.m-generations {
  display: flex;
  gap: 1rem;
  margin: 0 2rem;
  padding: 0.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
}

.m-generations a {
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: all var(--transition-medium);
  position: relative;
}

.m-generations a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--m-blue);
  transition: all var(--transition-medium);
  transform: translateX(-50%);
}

.m-generations a:hover {
  color: var(--m-blue);
}

.m-generations a:hover::after {
  width: 80%;
}

.m-generations a.active {
  background: var(--m-blue);
  color: white;
}

.m-generations a.active::after {
  display: none;
}

.main-nav {
  display: flex;
  gap: 1rem;
}

@media (max-width: 1024px) {
  .nav {
    flex-direction: column;
    gap: 1rem;
  }
  
  .m-generations {
    margin: 0;
    overflow-x: auto;
    padding: 0.5rem;
  }
  
  .main-nav {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
  }

  .nav {
    display: flex;
  }

  .header-inner {
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
  }

  .brand-tagline {
    display: none;
  }

  .m-generations {
    padding: 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .m-generations a {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    white-space: nowrap;
  }
}

.timeline {
  padding: 4rem 0;
  background: #f8f9ff;
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(26,117,255,0.1);
}

.timeline-chart {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 1s forwards;
}

.timeline-bar {
  height: 400px;
  position: relative;
  background-color: #ffffff;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  background-image: 
    linear-gradient(to right, rgba(26,117,255,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(26,117,255,0.06) 1px, transparent 1px);
  background-size: 
    calc(100% / 7) 100%,
    100% calc(100% / 8);
}

.power-point {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--m-blue);
  border-radius: 50%;
  transform: translate(-50%, 50%);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 0 4px rgba(26,117,255,0.1);
}

.power-point::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 28px;
  height: 28px;
  background: rgba(26,117,255,0.08);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  transition: all 0.3s ease;
  opacity: 0;
}

.point-label {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: white;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--m-blue);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(26,117,255,0.15);
  opacity: 1;
  font-weight: 500;
}

.power-point:hover {
  transform: translate(-50%, 50%) scale(1.1);
  box-shadow: 0 0 0 6px rgba(26,117,255,0.15);
}

.power-point:hover::before {
  opacity: 1;
}

.power-point:hover .point-label {
  transform: translateX(-50%) translateY(-12px);
  box-shadow: 0 4px 12px rgba(26,117,255,0.2);
}

/* Add X and Y axis labels */
.timeline-bar::after {
  content: 'Generation';
  position: absolute;
  bottom: -30px;
  right: 20px;
  font-size: 0.875rem;
  color: #666;
}

.timeline-bar::before {
  content: 'Horsepower';
  position: absolute;
  left: -30px;
  top: 50%;
  transform: rotate(-90deg) translateX(50%);
  transform-origin: left center;
  font-size: 0.875rem;
  color: #666;
}

@media (max-width:880px){
  .model-hero img{height:320px}
  .model-details h2{font-size:1.8rem;margin-top:-40px}
  .spec-grid{grid-template-columns:1fr}
  .toc{flex-direction:column;align-items:stretch}
  .toc a{text-align:center}
  .lede{font-size:1.1rem;padding-left:16px}
  .model-article h3{font-size:1.4rem}
  .callout{padding:16px}
  .spec-table th, .spec-table td{padding:10px}
  
  .timeline-bar {
    height: 200px;
  }
  
  .hero-copy h1 {
    font-size: 2.8rem;
  }
  
  .hero {
    padding: 60px 0;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}