/* ========================================
   MetaForge — AI循证医学研究平台
   科幻感设计系统
   ======================================== */

/* === CSS Variables === */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1629;
  --bg-card: rgba(15, 22, 41, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-glow: rgba(99, 179, 237, 0.2);
  --border-subtle: rgba(255, 255, 255, 0.06);
  
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-bright: #f1f5f9;
  
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;
  
  --gradient-hero: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
  --gradient-card: linear-gradient(135deg, rgba(59,130,246,0.1) 0%, rgba(139,92,246,0.1) 100%);
  --gradient-text: linear-gradient(135deg, #60a5fa, #a78bfa, #f472b6);
  
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
}

/* === Reset & Base === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-display);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--accent-cyan);
}

img {
  max-width: 100%;
}

/* === Utility Classes === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 120px 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glow);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-title .gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient-hero);
  color: white;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
  color: white;
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glow);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--accent-blue);
  color: white;
}

/* === Animated Background === */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

.bg-glow-1 {
  top: -200px;
  right: -200px;
  background: var(--accent-blue);
}

.bg-glow-2 {
  bottom: -200px;
  left: -200px;
  background: var(--accent-purple);
}

/* === Navigation === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.3s ease;
  backdrop-filter: blur(20px);
  background: rgba(10, 14, 26, 0.8);
  border-bottom: 1px solid var(--border-subtle);
}

.nav.scrolled {
  padding: 12px 0;
  background: rgba(10, 14, 26, 0.95);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text-bright);
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-hero);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-bright);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-hero);
  transition: width 0.3s;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

.nav-cta .btn {
  padding: 10px 24px;
  font-size: 0.9rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* === Hero Section === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 500;
  margin-bottom: 28px;
  animation: fadeInUp 0.8s ease;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-title .gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-stats {
  display: flex;
  gap: 48px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-stat {
  text-align: left;
}

.hero-stat .number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-bright);
  font-family: var(--font-mono);
}

.hero-stat .number .accent {
  color: var(--accent-cyan);
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-visual {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  z-index: 1;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.hero-orb-1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(59,130,246,0.3) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-orb-2 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(139,92,246,0.3) 0%, transparent 70%);
  top: 30%;
  left: 60%;
  animation-delay: -2s;
}

.hero-orb-3 {
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(236,72,153,0.2) 0%, transparent 70%);
  top: 70%;
  left: 30%;
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

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

/* === Pain Points Section === */
.pain-points {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.pain-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-red);
  opacity: 0.6;
}

.pain-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.pain-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.pain-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-bright);
}

.pain-card .time {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-red);
  font-weight: 600;
  margin-bottom: 12px;
}

.pain-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === Features Section === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  group: true;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-hero);
  opacity: 0;
  transition: opacity 0.3s;
}

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

.feature-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.feature-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-icon.blue { background: rgba(59, 130, 246, 0.15); border: 1px solid rgba(59, 130, 246, 0.3); }
.feature-icon.cyan { background: rgba(6, 182, 212, 0.15); border: 1px solid rgba(6, 182, 212, 0.3); }
.feature-icon.purple { background: rgba(139, 92, 246, 0.15); border: 1px solid rgba(139, 92, 246, 0.3); }
.feature-icon.pink { background: rgba(236, 72, 153, 0.15); border: 1px solid rgba(236, 72, 153, 0.3); }
.feature-icon.green { background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); }
.feature-icon.orange { background: rgba(245, 158, 11, 0.15); border: 1px solid rgba(245, 158, 11, 0.3); }

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-bright);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.feature-tag {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

/* === Agent System Section === */
.agent-system {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.agent-pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 60px;
  flex-wrap: wrap;
}

.agent-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px;
  min-width: 150px;
}

.agent-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  position: relative;
  transition: all 0.3s ease;
}

.agent-avatar::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--gradient-hero) border-box;
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  opacity: 0.5;
}

.agent-node:hover .agent-avatar::after {
  opacity: 1;
}

.agent-node:hover .agent-avatar {
  transform: scale(1.1);
}

.agent-avatar.a1 { background: rgba(59, 130, 246, 0.2); }
.agent-avatar.a2 { background: rgba(6, 182, 212, 0.2); }
.agent-avatar.a3 { background: rgba(139, 92, 246, 0.2); }
.agent-avatar.a4 { background: rgba(236, 72, 153, 0.2); }
.agent-avatar.a5 { background: rgba(16, 185, 129, 0.2); }
.agent-avatar.a6 { background: rgba(245, 158, 11, 0.2); }

.agent-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-bright);
}

.agent-role {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

.agent-arrow {
  font-size: 1.5rem;
  color: var(--accent-cyan);
  opacity: 0.5;
  animation: arrowPulse 2s infinite;
}

@keyframes arrowPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

/* === Live Demo Section === */
.demo-terminal {
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 48px;
  box-shadow: var(--shadow-card);
}

.demo-terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.demo-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.demo-dot.red { background: #ff5f57; }
.demo-dot.yellow { background: #febc2e; }
.demo-dot.green { background: #28c840; }

.demo-terminal-title {
  flex: 1;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.demo-terminal-body {
  padding: 24px;
  min-height: 400px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.8;
}

.demo-line {
  margin-bottom: 8px;
  opacity: 0;
  animation: typeIn 0.3s ease forwards;
}

.demo-line .prompt {
  color: var(--accent-green);
}

.demo-line .cmd {
  color: var(--accent-cyan);
}

.demo-line .output {
  color: var(--text-secondary);
}

.demo-line .highlight {
  color: var(--accent-yellow);
  font-weight: 600;
}

.demo-line .success {
  color: var(--accent-green);
}

.demo-line .error {
  color: var(--accent-red);
}

.demo-line .info {
  color: var(--accent-blue);
}

@keyframes typeIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

/* === Comparison Section === */
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-top: 48px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.comparison-table th,
.comparison-table td {
  padding: 16px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
  background: rgba(59, 130, 246, 0.1);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-bright);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
  font-weight: 500;
}

.comparison-table td {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.comparison-table .our-col {
  background: rgba(59, 130, 246, 0.05);
}

.check {
  color: var(--accent-green);
  font-weight: bold;
}

.cross {
  color: var(--accent-red);
  opacity: 0.5;
}

/* === Pricing Section === */
.pricing-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent-blue);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.15);
}

.pricing-card.featured::before {
  content: '最受欢迎';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: var(--gradient-hero);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 0 0 8px 8px;
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.pricing-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-bright);
  margin-bottom: 4px;
}

.pricing-price .currency {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-price .period {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  margin: 32px 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pricing-features li::before {
  content: '✓';
  color: var(--accent-green);
  font-weight: bold;
  font-size: 0.85rem;
}

.pricing-cta {
  width: 100%;
  justify-content: center;
}

/* === Testimonials === */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: white;
}

.testimonial-info .name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-bright);
}

.testimonial-info .role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === Footer === */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 4px 0;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === Animations (Scroll) === */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* === Counter Animation === */
.counter {
  display: inline-block;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-visual {
    display: none;
  }
  .agent-pipeline {
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .features-grid,
  .pricing-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  .agent-pipeline {
    flex-direction: column;
  }
  .agent-arrow {
    transform: rotate(90deg);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .comparison-table {
    font-size: 0.8rem;
  }
  .comparison-table th,
  .comparison-table td {
    padding: 12px 8px;
  }
  .section {
    padding: 80px 0;
  }
  .pain-grid {
    grid-template-columns: 1fr;
  }
}

/* === Page Transitions === */
.page-section {
  scroll-margin-top: 80px;
}

/* === Floating Particles === */
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-blue);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.3;
}

/* === Loading Animation === */
.loading-bar {
  width: 100%;
  height: 3px;
  background: var(--bg-glass);
  border-radius: 4px;
  overflow: hidden;
  margin: 12px 0;
}

.loading-bar-fill {
  height: 100%;
  background: var(--gradient-hero);
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* === Tooltip === */
[data-tooltip] {
  position: relative;
}

[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-primary);
  white-space: nowrap;
  z-index: 100;
}