:root {
  --bg-main: #EFF3ED;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F8FAF7;
  --border-color: #E2E7DF;
  --border-subtle: #EDF1EC;
  --text-primary: #2B2B2B;
  --text-secondary: #5F685B;
  --text-muted: #8F988A;
  --accent-mint: #4CAF7D;
  --accent-mint-bright: #7DE43A;
  --accent-mint-light: #EBF8F1;
  --accent-gold: #D4AF37;
  --accent-crimson: #BE123C;
  --dark-surface: #14161E;
  --dark-border: #2A2E3D;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(43, 43, 43, 0.06);
  --shadow-lg: 0 16px 40px rgba(43, 43, 43, 0.09);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(239, 243, 237, 0.88);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 19px;
  letter-spacing: 2px;
  color: var(--text-primary);
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(76, 175, 125, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.btn-primary {
  background: var(--text-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: #000000;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-mint {
  background: var(--accent-mint);
  color: #FFFFFF;
}

.btn-mint:hover {
  background: #3D9B6C;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(76, 175, 125, 0.35);
}

.btn-outline {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--accent-mint);
  background: #FFFFFF;
  color: var(--accent-mint);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-mint);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.hero-title {
  font-size: clamp(34px, 5.5vw, 62px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--text-primary);
  max-width: 920px;
  margin: 0 auto 20px;
}

.hero-title span.highlight {
  color: var(--accent-mint);
}

.hero-subtitle {
  font-size: clamp(16px, 2.2vw, 19px);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.55;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

/* Hero Interactive UI Card Mockup */
.mockup-wrapper {
  max-width: 880px;
  margin: 0 auto;
  perspective: 1000px;
}

.mockup-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 32px;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.mockup-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--accent-mint);
  background: var(--accent-mint-light);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.mockup-networth {
  margin-bottom: 24px;
}

.mockup-networth-label {
  font-size: 12px;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.mockup-networth-value {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--text-primary);
  margin: 4px 0;
}

.mockup-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.stat-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
}

.stat-box-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-box-value {
  font-size: 20px;
  font-weight: 900;
  color: var(--text-primary);
  margin-top: 4px;
}

.stat-box-value.positive {
  color: var(--accent-mint);
}

.stat-box-value.warning {
  color: var(--accent-crimson);
}

/* Social Proof Banner */
.stats-banner {
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-surface);
  margin-top: 50px;
}

.stats-banner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.banner-item-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--text-primary);
}

.banner-item-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
  margin-top: 4px;
}

/* Feature Sections */
.section {
  padding: 90px 0;
}

.section-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--accent-mint);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(28px, 3.8vw, 42px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #D6DDD2;
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-mint-light);
  color: var(--accent-mint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Garage Showcase */
.garage-showcase {
  background: var(--dark-surface);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #FFFFFF;
  margin-top: 40px;
  border: 1px solid var(--dark-border);
}

.garage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 16px;
}

.garage-tabs {
  display: flex;
  gap: 10px;
  background: #1F232F;
  padding: 4px;
  border-radius: var(--radius-full);
}

.garage-tab-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  color: #94A3B8;
  transition: var(--transition);
}

.garage-tab-btn.active {
  background: var(--accent-mint-bright);
  color: #14161E;
}

.garage-stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.garage-img-wrapper {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  background: #000;
}

.garage-specs h3 {
  font-size: 28px;
  font-weight: 900;
  margin-bottom: 8px;
}

.garage-vin {
  display: inline-block;
  font-family: monospace;
  font-size: 12px;
  color: var(--accent-mint-bright);
  background: rgba(125, 228, 58, 0.12);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.spec-item-label {
  font-size: 11px;
  color: #94A3B8;
  text-transform: uppercase;
}

.spec-item-val {
  font-size: 16px;
  font-weight: 800;
  color: #FFFFFF;
}

/* Calculator Section */
.calc-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-top: 50px;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.slider-container {
  margin: 28px 0;
}

.slider-value-display {
  font-size: 36px;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 12px;
}

input[type=range] {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--border-color);
  outline: none;
  accent-color: var(--accent-mint);
}

.calc-result-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
}

.calc-coins-reward {
  font-size: 48px;
  font-weight: 900;
  color: var(--accent-mint);
  margin: 10px 0;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card.featured {
  border-color: var(--accent-mint);
  box-shadow: 0 12px 36px rgba(76, 175, 125, 0.16);
  transform: scale(1.02);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-mint);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 4px 14px;
  border-radius: var(--radius-full);
}

.tier-name {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
}

.tier-price {
  font-size: 42px;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.tier-price span {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
}

.tier-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  min-height: 40px;
}

.tier-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.tier-features li {
  font-size: 13px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.tier-features li svg {
  color: var(--accent-mint);
  flex-shrink: 0;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
}

.faq-answer {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

/* Footer */
.footer {
  background: var(--dark-surface);
  color: #94A3B8;
  padding: 60px 0 36px;
  border-top: 1px solid var(--dark-border);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 32px;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  font-size: 18px;
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: 2px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 13px;
  color: #94A3B8;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  flex-wrap: wrap;
  gap: 12px;
}

/* Responsive */
@media (max-width: 900px) {
  .features-grid, .pricing-grid, .stats-banner-grid {
    grid-template-columns: 1fr;
  }
  .garage-stage, .calc-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card.featured {
    transform: none;
  }
  .nav-links {
    display: none;
  }
}