:root {
  --bg-deep: #060a14;
  --bg-surface: #0c1120;
  --bg-card: #111827;
  --bg-card-hover: #161f33;
  --accent-cyan: #00e5ff;
  --accent-purple: #a855f7;
  --accent-green: #22c55e;
  --accent-amber: #f59e0b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(148, 163, 184, 0.08);
  --radius: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

#particleCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

.auto-header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(6, 10, 20, 0.85);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 14px 6%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

.auto-header .logo img {
  height: 44px;
  width: auto;
  display: block;
}

.auto-header nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.auto-header nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 14px;
  transition: color 0.25s;
  position: relative;
}

.auto-header nav a:hover {
  color: var(--accent-cyan);
}

.auto-header nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: width 0.3s;
}

.auto-header nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 18px !important;
  border-radius: 999px !important;
  background: linear-gradient(135deg, var(--accent-cyan), #0091b3) !important;
  color: #000 !important;
  font-weight: 700 !important;
  font-size: 13px !important;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.25);
  transition: transform 0.25s, box-shadow 0.25s !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 30px rgba(0, 229, 255, 0.4) !important;
}

.auto-hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 140px 6% 80px;
  overflow: hidden;
  z-index: 1;
}

.auto-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(0, 229, 255, 0.08), transparent 50%),
    radial-gradient(ellipse at 70% 70%, rgba(168, 85, 247, 0.06), transparent 50%);
  pointer-events: none;
}

.auto-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--bg-deep), transparent);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 255, 0.2);
  background: rgba(0, 229, 255, 0.06);
  color: var(--accent-cyan);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 28px;
  animation: fadeInDown 0.8s ease;
}

.hero-badge.amber {
  border-color: rgba(245, 158, 11, 0.25);
  background: rgba(245, 158, 11, 0.08);
  color: var(--accent-amber);
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 1.5s ease-in-out infinite;
}

.auto-hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  animation: fadeInUp 0.9s ease;
}

.auto-hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auto-hero h1 .gradient-text.amber {
  background: linear-gradient(135deg, #fbbf24, #f59e0b, #d97706);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  max-width: 760px;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  margin-bottom: 36px;
  animation: fadeInUp 1.1s ease;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  animation: fadeInUp 1.3s ease;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-cyan), #0091b3);
  color: #000;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  transition: all 0.3s;
  box-shadow: 0 8px 30px rgba(0, 229, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(0, 229, 255, 0.45);
}

.btn-primary.amber {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.3);
}

.btn-primary.amber:hover {
  box-shadow: 0 14px 40px rgba(245, 158, 11, 0.45);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s;
}

.btn-ghost:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.06);
  transform: translateY(-2px);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
  max-width: 920px;
  width: 100%;
  animation: fadeInUp 1.5s ease;
}

.hero-metric {
  padding: 22px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, background 0.3s;
}

.hero-metric:hover {
  border-color: rgba(0, 229, 255, 0.2);
  background: rgba(0, 229, 255, 0.04);
}

.hero-metric strong {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(42px, 5vw, 58px);
  line-height: 1;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

.hero-metric strong .counter {
  font-size: 1em;
  line-height: 1;
  color: inherit;
}

.hero-metric > span {
  font-size: 13px;
  color: var(--text-muted);
}

.auto-section {
  position: relative;
  padding: 100px 6%;
  z-index: 1;
}

.auto-section::before {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.1), transparent);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(168, 85, 247, 0.2);
  background: rgba(168, 85, 247, 0.06);
  color: var(--accent-purple);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.section-label.cyan {
  border-color: rgba(0, 229, 255, 0.2);
  background: rgba(0, 229, 255, 0.06);
  color: var(--accent-cyan);
}

.section-label.green {
  border-color: rgba(34, 197, 94, 0.2);
  background: rgba(34, 197, 94, 0.06);
  color: var(--accent-green);
}

.section-label.amber {
  border-color: rgba(245, 158, 11, 0.2);
  background: rgba(245, 158, 11, 0.06);
  color: var(--accent-amber);
}

.auto-section h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  text-align: center;
}

.auto-section h2 .accent {
  color: var(--accent-cyan);
}

.auto-section h2 .accent.amber {
  color: var(--accent-amber);
}

.section-desc {
  max-width: 760px;
  margin: 0 auto 50px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 17px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.detail-card {
  padding: 30px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}

.detail-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  opacity: 0;
  transition: opacity 0.4s;
}

.detail-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 229, 255, 0.15);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

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

.detail-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 22px;
  background: rgba(0, 229, 255, 0.12);
}

.detail-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--accent-cyan);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.detail-icon.amber {
  background: rgba(245, 158, 11, 0.12);
}

.detail-icon.purple {
  background: rgba(168, 85, 247, 0.12);
}

.detail-icon.amber svg {
  stroke: var(--accent-amber);
}

.detail-icon.purple svg {
  stroke: var(--accent-purple);
}

.detail-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 21px;
  margin-bottom: 10px;
}

.detail-card p,
.detail-card li {
  color: var(--text-secondary);
  font-size: 14px;
}

.detail-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.detail-card li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.detail-card li::before {
  content: "✓";
  color: var(--accent-green);
  font-weight: 700;
  margin-top: 1px;
}

.compare-wrap {
  max-width: 980px;
  margin: 0 auto;
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.compare-table th,
.compare-table td {
  padding: 14px 18px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.compare-table th {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.compare-table tbody tr:hover td {
  background: rgba(0, 229, 255, 0.03);
}

.compare-table td.current,
.compare-table th.current {
  color: var(--accent-cyan);
  font-weight: 700;
}

.faq-wrap {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.faq-btn {
  width: 100%;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  text-align: left;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px;
  color: var(--text-primary);
  font-weight: 600;
  transition: color 0.25s;
}

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

.faq-btn .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid rgba(0, 229, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 16px;
  transition: transform 0.35s, background 0.25s;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
  background: rgba(0, 229, 255, 0.08);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.is-open .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}

.cta-banner {
  position: relative;
  padding: 80px 6%;
  text-align: center;
  z-index: 1;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(0, 229, 255, 0.06), transparent 60%),
    radial-gradient(ellipse at 30% 80%, rgba(168, 85, 247, 0.04), transparent 50%);
  pointer-events: none;
}

.cta-banner h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 14px;
}

.cta-banner p {
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: 17px;
}

.site-footer {
  background: linear-gradient(135deg, #0f3aa8, #1565ff 55%, #1f6bff);
  color: white;
  margin-top: 0;
  position: relative;
  box-shadow: 0 -12px 40px rgba(15, 23, 42, 0.22);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 52px 8% 40px;
}

.footer-brand img {
  height: 40px;
  width: auto;
  display: block;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: 0.2s;
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  text-decoration: none;
  transition: 0.3s;
}

.footer-social-link:hover {
  background: rgba(255, 255, 255, 0.28);
  transform: scale(1.08);
}

.footer-social-link svg {
  width: 18px;
  height: 18px;
  display: block;
}

.footer-bottom {
  text-align: center;
  padding: 16px 8%;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-preferences {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 8px;
  background: #fff;
  color: #1565ff;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  transition: background 0.2s ease;
  position: absolute;
  right: 35px;
  bottom: 35px;
}

.footer-preferences:hover {
  background: #f3f6ff;
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.counter {
  display: inline-block;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.4);
  }
}

#autoTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), #0091b3);
  color: #000;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.9);
  transition: all 0.3s;
  z-index: 999;
}

#autoTopBtn.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

#autoTopBtn:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 12px 30px rgba(0, 229, 255, 0.45);
}

@media (max-width: 900px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .auto-header nav {
    gap: 14px;
  }

  .auto-header nav a {
    font-size: 13px;
  }

  .auto-hero {
    padding: 120px 5% 60px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 40px;
  }

  .auto-section {
    padding: 70px 5%;
  }

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

  .tool-chip {
    padding: 10px 16px;
    font-size: 13px;
  }
}

@media (max-width: 600px) {
  .footer-preferences {
    position: static;
    margin-top: 12px;
  }
}

@media (max-width: 560px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 36px 5% 28px;
  }
}

@media (max-width: 480px) {
  .auto-header {
    padding: 10px 4%;
    flex-wrap: wrap;
    gap: 8px;
  }

  .auto-header nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
  }

  .auto-header nav a {
    white-space: nowrap;
    flex: 0 0 auto;
  }
}