/* ========== RESET & BASE ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg-deep: #060614;
  --bg-dark: #0a0a1f;
  --bg-card: rgba(20, 20, 45, 0.6);
  --bg-card-hover: rgba(30, 30, 65, 0.8);
  --purple: #8b5cf6;
  --purple-light: #a78bfa;
  --indigo: #6366f1;
  --blue: #3b82f6;
  --cyan: #06b6d4;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(139, 92, 246, 0.15);
  --border-hover: rgba(139, 92, 246, 0.4);
  --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #3b82f6 100%);
  --gradient-text: linear-gradient(135deg, #a78bfa 0%, #60a5fa 50%, #22d3ee 100%);
  --glow: 0 0 40px rgba(99, 102, 241, 0.3);
  --radius: 16px;
  --max-width: 1200px;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

/* ========== ANIMATED BACKGROUND ========== */
.bg-canvas {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}
.bg-grid {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}
.bg-blob {
  position: fixed; border-radius: 50%;
  filter: blur(100px); opacity: 0.15;
  z-index: 0; pointer-events: none;
  animation: float 20s ease-in-out infinite;
}
.bg-blob.b1 { width: 500px; height: 500px; background: var(--purple); top: -100px; left: -100px; }
.bg-blob.b2 { width: 400px; height: 400px; background: var(--indigo); top: 30%; right: -100px; animation-delay: -5s; }
.bg-blob.b3 { width: 600px; height: 600px; background: var(--blue); bottom: -200px; left: 30%; animation-delay: -10s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ========== NAVIGATION ========== */
.navbar {
  position: fixed; top: 0; left: 0;
  width: 100%; z-index: 100;
  padding: 18px 0;
  background: rgba(6, 6, 20, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s ease;
}
.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center;
  text-decoration: none;
}
.nav-logo .logo-img {
  height: 42px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
  border-radius: 8px;
}
.nav-logo .logo-icon {
  width: 36px; height: 36px;
  background: var(--gradient);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: white; font-weight: 800;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
  -webkit-text-fill-color: white;
}
.nav-menu { display: flex; gap: 36px; align-items: center; }
.nav-menu a {
  font-size: 15px; color: var(--text-secondary);
  transition: color 0.3s; position: relative;
}
.nav-menu a::after {
  content: ''; position: absolute;
  bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--gradient);
  transition: width 0.3s;
}
.nav-menu a:hover { color: var(--text-primary); }
.nav-menu a:hover::after { width: 100%; }
.nav-menu a.active { color: var(--text-primary); }
.nav-menu a.active::after { width: 100%; }
.nav-cta {
  padding: 10px 24px;
  background: var(--gradient);
  border-radius: 10px; color: white !important;
  font-size: 14px; font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
  -webkit-text-fill-color: white;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}
.nav-cta::after { display: none; }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px; transition: 0.3s;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; position: relative;
  padding: 120px 32px 80px;
  z-index: 1;
}
.hero-content { max-width: 900px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 100px;
  font-size: 13px; color: var(--purple-light);
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--cyan); border-radius: 50%;
  animation: pulse 2s infinite;
}
.hero h1 {
  font-size: 56px; font-weight: 800;
  line-height: 1.3; margin-bottom: 24px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease 0.1s both;
}
.hero-tagline {
  font-size: 22px; color: var(--text-secondary);
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-positioning {
  font-size: 16px; color: var(--text-muted);
  margin-bottom: 40px;
  animation: fadeInUp 0.8s ease 0.3s both;
}
.hero-tags {
  display: flex; gap: 16px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 48px;
  animation: fadeInUp 0.8s ease 0.4s both;
}
.hero-tag {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 14px; color: var(--text-secondary);
  background: var(--bg-card);
  transition: all 0.3s;
}
.hero-tag:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateY(-2px);
}
.hero-cta-group {
  display: flex; gap: 20px; justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.5s both;
}
.btn-primary, .btn-secondary {
  padding: 14px 36px;
  border-radius: 12px;
  font-size: 15px; font-weight: 600;
  cursor: pointer; transition: all 0.3s;
  border: none; display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}
.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

/* Hero stats */
.hero-stats {
  display: flex; justify-content: center;
  gap: 64px; margin-top: 72px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 40px; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 14px; color: var(--text-muted);
  margin-top: 4px;
}

/* ========== SECTION COMMON ========== */
.section {
  position: relative; z-index: 1;
  padding: 100px 32px;
}
.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
}
.section-header {
  text-align: center; margin-bottom: 64px;
}
.section-label {
  display: inline-block;
  font-size: 13px; letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--purple-light);
  margin-bottom: 16px;
}
.section-title {
  font-size: 40px; font-weight: 700;
  margin-bottom: 16px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-desc {
  font-size: 17px; color: var(--text-secondary);
  max-width: 600px; margin: 0 auto;
}

/* ========== ABOUT ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}
.about-text p {
  font-size: 16px; color: var(--text-secondary);
  margin-bottom: 20px; line-height: 1.9;
}
.about-text p strong { color: var(--text-primary); }
.mvv-cards {
  display: grid; gap: 20px; margin-top: 32px;
}
.mvv-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
}
.mvv-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}
.mvv-card .icon {
  font-size: 28px; margin-bottom: 12px;
}
.mvv-card h4 {
  font-size: 17px; font-weight: 600;
  margin-bottom: 8px; color: var(--text-primary);
}
.mvv-card p {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.7; margin: 0;
}
.about-visual {
  position: relative; height: 400px;
  display: flex; align-items: center; justify-content: center;
}
.about-orb {
  width: 280px; height: 280px;
  border-radius: 50%;
  background: var(--gradient);
  opacity: 0.15; filter: blur(40px);
  position: absolute;
  animation: pulse-large 4s ease-in-out infinite;
}
.about-ring {
  position: absolute;
  border: 2px solid var(--border);
  border-radius: 50%;
}
.about-ring.r1 { width: 340px; height: 340px; animation: rotate 30s linear infinite; }
.about-ring.r2 { width: 260px; height: 260px; animation: rotate 20s linear infinite reverse; border-color: rgba(59, 130, 246, 0.2); }
.about-ring.r3 { width: 180px; height: 180px; animation: rotate 15s linear infinite; border-color: rgba(6, 182, 212, 0.2); }
.about-ring::before {
  content: ''; position: absolute;
  top: -5px; left: 50%; transform: translateX(-50%);
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 10px var(--purple);
}
.about-core {
  position: relative; z-index: 2;
  width: 120px; height: 120px;
  background: var(--gradient);
  border-radius: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; font-weight: 800; color: white;
  box-shadow: 0 0 60px rgba(99, 102, 241, 0.5);
  overflow: hidden;
}
.about-core img {
  width: 86%;
  height: 86%;
  object-fit: contain;
  border-radius: 18px;
  background: white;
  padding: 8px;
}

/* ========== TEAM ========== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.team-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.3s;
}
.team-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}
.team-avatar {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: white; font-weight: 700;
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
}
.team-card h4 { font-size: 17px; margin-bottom: 4px; }
.team-role {
  font-size: 13px; color: var(--purple-light);
  margin-bottom: 12px;
}
.team-desc {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== TECHNOLOGY ========== */
.tech-tabs {
  display: flex; justify-content: center;
  gap: 16px; margin-bottom: 48px;
  flex-wrap: wrap;
}
.tech-tab {
  padding: 12px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 15px; color: var(--text-secondary);
  cursor: pointer; transition: all 0.3s;
  font-weight: 500;
}
.tech-tab.active {
  background: var(--gradient);
  color: white; border-color: transparent;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}
.tech-tab:hover:not(.active) {
  border-color: var(--border-hover);
  color: var(--text-primary);
}
.tech-panel { display: none; animation: fadeInUp 0.5s ease; }
.tech-panel.active { display: block; }
.tech-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: start;
}
.tech-intro h3 {
  font-size: 26px; font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.tech-intro p {
  font-size: 15px; color: var(--text-secondary);
  line-height: 1.9; margin-bottom: 24px;
}
.tech-features { display: grid; gap: 12px; }
.tech-feature {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s;
}
.tech-feature:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}
.tech-feature .num {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 8px;
  background: rgba(139, 92, 246, 0.15);
  color: var(--purple-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}
.tech-feature-text h5 {
  font-size: 14px; font-weight: 600;
  color: var(--text-primary); margin-bottom: 4px;
}
.tech-feature-text p {
  font-size: 13px; color: var(--text-muted);
  line-height: 1.6;
}
.tech-diagram {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
}
.tech-diagram-title {
  font-size: 14px; color: var(--text-muted);
  margin-bottom: 24px; text-align: center;
  letter-spacing: 1px;
}
.tech-layer {
  padding: 14px 20px;
  margin-bottom: 8px;
  border-radius: 10px;
  font-size: 14px;
  text-align: center;
  transition: all 0.3s;
  cursor: default;
  border: 1px solid transparent;
}
.tech-layer:hover {
  transform: scale(1.03);
  border-color: var(--border-hover);
}
.tech-layer:nth-child(2) { background: rgba(139, 92, 246, 0.15); border-color: rgba(139, 92, 246, 0.2); }
.tech-layer:nth-child(3) { background: rgba(99, 102, 241, 0.15); border-color: rgba(99, 102, 241, 0.2); }
.tech-layer:nth-child(4) { background: rgba(59, 130, 246, 0.15); border-color: rgba(59, 130, 246, 0.2); }
.tech-layer:nth-child(5) { background: rgba(6, 182, 212, 0.15); border-color: rgba(6, 182, 212, 0.2); }
.tech-layer:nth-child(6) { background: rgba(139, 92, 246, 0.15); border-color: rgba(139, 92, 246, 0.2); }
.tech-layer:nth-child(7) { background: rgba(99, 102, 241, 0.15); border-color: rgba(99, 102, 241, 0.2); }
.tech-layer:nth-child(8) { background: rgba(59, 130, 246, 0.15); border-color: rgba(59, 130, 246, 0.2); }
.tech-layer strong { color: var(--text-primary); }

/* ========== PRODUCTS / INDUSTRIES ========== */
.industry-categories {
  display: flex; justify-content: center;
  gap: 12px; margin-bottom: 40px;
  flex-wrap: wrap;
}
.industry-cat {
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all 0.3s;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.industry-cat.active {
  background: var(--gradient);
  color: white; border-color: transparent;
}
.industry-cat:hover:not(.active) {
  border-color: var(--border-hover);
  color: var(--text-primary);
}
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.industry-card {
  padding: 32px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.industry-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; width: 100%; height: 3px;
  background: var(--gradient);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s;
}
.industry-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.industry-card:hover::before { transform: scaleX(1); }
.industry-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(99, 102, 241, 0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; margin-bottom: 20px;
  transition: all 0.3s;
}
.industry-card:hover .industry-icon {
  background: var(--gradient);
  transform: scale(1.1);
}
.industry-card h4 {
  font-size: 18px; font-weight: 600;
  margin-bottom: 8px; color: var(--text-primary);
}
.industry-card p {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.7;
}
.industry-card .tag {
  display: inline-block;
  margin-top: 16px;
  padding: 4px 12px;
  font-size: 12px;
  border-radius: 100px;
  background: rgba(139, 92, 246, 0.1);
  color: var(--purple-light);
  border: 1px solid rgba(139, 92, 246, 0.2);
}
.industry-card .card-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px;
  font-size: 14px; font-weight: 500;
  color: var(--purple-light);
  transition: gap 0.3s;
}
.industry-card:hover .card-link { gap: 12px; }

/* ========== CONTACT ========== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-info h3 {
  font-size: 26px; font-weight: 700;
  margin-bottom: 16px; color: var(--text-primary);
}
.contact-info p {
  font-size: 15px; color: var(--text-secondary);
  margin-bottom: 32px; line-height: 1.8;
}
.contact-list { display: grid; gap: 20px; }
.contact-item {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
}
.contact-item:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}
.contact-item .icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.contact-item .label {
  font-size: 13px; color: var(--text-muted);
  margin-bottom: 4px;
}
.contact-item .value {
  font-size: 15px; color: var(--text-primary);
  font-weight: 500;
}
.contact-form {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(6, 6, 20, 0.5);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.3s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}
.form-group textarea {
  resize: vertical; min-height: 100px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--gradient);
  color: white;
  border: none; border-radius: 12px;
  font-size: 15px; font-weight: 600;
  cursor: pointer; transition: all 0.3s;
  margin-top: 8px;
}
.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

/* ========== DEMO PAGE ========== */
.demo-wrap {
  max-width: 720px; margin: 0 auto;
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.demo-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px; margin-bottom: 36px;
}
.demo-feature {
  text-align: center; padding: 24px 16px;
  background: rgba(6, 6, 20, 0.3);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s;
}
.demo-feature:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.demo-feature .icon { font-size: 32px; margin-bottom: 12px; }
.demo-feature h5 { font-size: 15px; margin-bottom: 6px; }
.demo-feature p { font-size: 13px; color: var(--text-muted); }

/* ========== PRODUCT DETAIL PAGE ========== */
.breadcrumb {
  position: relative; z-index: 1;
  padding: 100px 32px 20px;
  max-width: var(--max-width); margin: 0 auto;
}
.breadcrumb a {
  font-size: 14px; color: var(--text-muted);
  transition: color 0.3s;
}
.breadcrumb a:hover { color: var(--purple-light); }
.breadcrumb span { font-size: 14px; color: var(--text-muted); margin: 0 8px; }
.breadcrumb .current { color: var(--text-secondary); }

.product-hero {
  position: relative; z-index: 1;
  padding: 20px 32px 60px;
  max-width: var(--max-width); margin: 0 auto;
}
.product-hero-inner {
  display: flex; align-items: center; gap: 24px;
  margin-bottom: 24px;
}
.product-hero-icon {
  width: 72px; height: 72px;
  border-radius: 18px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 34px;
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.4);
  flex-shrink: 0;
}
.product-hero h1 {
  font-size: 36px; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.product-hero .category-badge {
  display: inline-block;
  margin-top: 6px;
  padding: 4px 14px;
  font-size: 12px;
  border-radius: 100px;
  background: rgba(139, 92, 246, 0.1);
  color: var(--purple-light);
  border: 1px solid rgba(139, 92, 246, 0.2);
}
.product-hero .brief {
  font-size: 17px; color: var(--text-secondary);
  line-height: 1.9;
}

.detail-section {
  position: relative; z-index: 1;
  padding: 40px 32px;
  max-width: var(--max-width); margin: 0 auto;
}
.detail-section-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 28px;
}
.detail-section-header .num-badge {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; color: white;
  flex-shrink: 0;
}
.detail-section-header h2 {
  font-size: 24px; font-weight: 700;
  color: var(--text-primary);
}
.overview-text {
  font-size: 16px; color: var(--text-secondary);
  line-height: 2.0;
  padding: 28px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.overview-text strong { color: var(--text-primary); }

/* Architecture diagram for product pages */
.arch-diagram {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.arch-diagram-title {
  font-size: 14px; color: var(--text-muted);
  margin-bottom: 24px; text-align: center;
  letter-spacing: 1px;
}
.arch-layer {
  padding: 16px 24px;
  margin-bottom: 8px;
  border-radius: 10px;
  font-size: 14px;
  text-align: center;
  transition: all 0.3s;
  border: 1px solid transparent;
  cursor: default;
}
.arch-layer:hover {
  transform: scale(1.02);
  border-color: var(--border-hover);
}
.arch-layer strong { color: var(--text-primary); }
.arch-layer .layer-desc {
  font-size: 12px; color: var(--text-muted);
  margin-top: 4px;
}
.arch-layer.l-top { background: rgba(139, 92, 246, 0.12); border-color: rgba(139, 92, 246, 0.2); }
.arch-layer.l-1 { background: rgba(139, 92, 246, 0.15); border-color: rgba(139, 92, 246, 0.2); }
.arch-layer.l-2 { background: rgba(99, 102, 241, 0.15); border-color: rgba(99, 102, 241, 0.2); }
.arch-layer.l-3 { background: rgba(59, 130, 246, 0.15); border-color: rgba(59, 130, 246, 0.2); }
.arch-layer.l-4 { background: rgba(6, 182, 212, 0.15); border-color: rgba(6, 182, 212, 0.2); }
.arch-layer.l-base { background: rgba(100, 116, 139, 0.1); border-color: rgba(100, 116, 139, 0.15); border-style: dashed; }
.arch-side-note {
  margin-top: 16px;
  padding: 12px 20px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: transparent;
}

/* Highlights grid */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.highlight-card {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
}
.highlight-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}
.highlight-card .icon {
  font-size: 32px; margin-bottom: 16px;
}
.highlight-card h4 {
  font-size: 16px; font-weight: 600;
  margin-bottom: 8px; color: var(--text-primary);
}
.highlight-card p {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.7;
}

/* Product nav (prev/next) */
.product-nav {
  position: relative; z-index: 1;
  max-width: var(--max-width); margin: 0 auto;
  padding: 40px 32px;
  display: flex; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
}
.product-nav a {
  padding: 16px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 14px; color: var(--text-secondary);
  transition: all 0.3s;
  display: flex; align-items: center; gap: 8px;
}
.product-nav a:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateX(4px);
}
.product-nav .nav-label {
  font-size: 12px; color: var(--text-muted);
}

/* ========== FOOTER ========== */
.footer {
  position: relative; z-index: 1;
  background: rgba(6, 6, 20, 0.8);
  border-top: 1px solid var(--border);
  padding: 60px 32px 30px;
}
.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px; color: var(--text-muted);
  line-height: 1.7; max-width: 300px;
}
.footer-col h5 {
  font-size: 15px; font-weight: 600;
  margin-bottom: 20px; color: var(--text-primary);
}
.footer-col a {
  display: block; font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
  transition: color 0.3s;
}
.footer-col a:hover { color: var(--purple-light); }
.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 13px; color: var(--text-muted);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}
@keyframes pulse-large {
  0%, 100% { transform: scale(1); opacity: 0.15; }
  50% { transform: scale(1.1); opacity: 0.25; }
}
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1; transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 968px) {
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .nav-menu.active {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0;
    width: 100%; padding: 24px 32px;
    background: rgba(6, 6, 20, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    gap: 20px;
  }
  .hero h1 { font-size: 36px; }
  .hero-tagline { font-size: 18px; }
  .section-title { font-size: 30px; }
  .about-grid, .tech-content, .contact-wrap { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .team-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 32px; }
  .stat-num { font-size: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .highlights-grid { grid-template-columns: 1fr; }
  .demo-features { grid-template-columns: 1fr; }
  .product-hero h1 { font-size: 28px; }
}
@media (max-width: 640px) {
  .section { padding: 70px 20px; }
  .hero { padding: 100px 20px 60px; }
  .hero h1 { font-size: 28px; }
  .industry-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .detail-section { padding: 30px 20px; }
  .overview-text { padding: 20px; }
  .product-hero-inner { flex-direction: column; text-align: center; }
}