:root {
  --bg-primary: #070b14;
  --bg-secondary: #0d1320;
  --bg-card: #111827;
  --bg-card-hover: #182032;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
  --gradient-2: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
  --gradient-3: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-4: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.04);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.5);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  font-size: 13px; font-weight: 600; color: var(--accent-light);
  text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 16px;
  background: rgba(99, 102, 241, 0.1);
  padding: 6px 16px; border-radius: 20px;
  border: 1px solid rgba(99, 102, 241, 0.15);
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800; margin-bottom: 16px;
  letter-spacing: -0.01em; line-height: 1.25;
}
.section-desc {
  font-size: 17px; color: var(--text-secondary);
  max-width: 650px; margin: 0 auto; line-height: 1.8;
}

.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(7, 11, 20, 0.88);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; }
.logo-img { height: 30px; width: auto; display: block; }
.btn-nav {
  background: var(--gradient-2);
  color: #fff; padding: 10px 24px;
  border-radius: 8px; font-size: 14px; font-weight: 600;
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), box-shadow 0.3s ease;
}
.btn-nav:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow:
    0 0 8px rgba(99, 102, 241, 0.5),
    0 0 20px rgba(99, 102, 241, 0.3),
    0 0 40px rgba(99, 102, 241, 0.15);
}

.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--gradient-2);
  color: #fff; padding: 16px 36px;
  border-radius: var(--radius);
  font-size: 16px; font-weight: 600;
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55),
              box-shadow 0.3s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 8px rgba(99, 102, 241, 0.5),
    0 0 20px rgba(99, 102, 241, 0.3),
    0 0 40px rgba(99, 102, 241, 0.15);
}
.btn-outline {
  display: inline-flex; align-items: center;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-primary); padding: 16px 36px;
  border-radius: var(--radius);
  font-size: 16px; font-weight: 500;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover {
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.04);
}
.btn-ghost {
  display: inline-flex; align-items: center;
  color: var(--text-secondary); padding: 16px 36px;
  border-radius: var(--radius);
  font-size: 16px; font-weight: 500;
  transition: color 0.2s;
}
.btn-ghost:hover { color: var(--text-primary); }
.btn-large { padding: 18px 44px; font-size: 17px; }

.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
}
.hero-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  position: relative; z-index: 1;
}
.hero-content { max-width: 700px; }
.hero-visual { display: flex; align-items: center; justify-content: center; }
.hero-illustration {
  width: 100%; max-width: 500px; height: auto;
  filter: drop-shadow(0 0 60px rgba(99, 102, 241, 0.08));
}

.orbit-ring {
  transform-origin: 240px 240px;
}
.orbit-1 { animation: orbitSpin1 20s linear infinite; }
.orbit-2 { animation: orbitSpin2 25s linear infinite; }
.orbit-3 { animation: orbitSpin3 18s linear infinite; }
.orbit-4 { animation: orbitSpin4 22s linear infinite; }
@keyframes orbitSpin1 { 100% { transform: rotate(360deg); } }
@keyframes orbitSpin2 { 100% { transform: rotate(-360deg); } }
@keyframes orbitSpin3 { 100% { transform: rotate(360deg); } }
@keyframes orbitSpin4 { 100% { transform: rotate(-360deg); } }

.orbit-dot {
  transform-origin: 240px 240px;
}
.od1 { animation: dotCruise1 5s linear infinite; }
.od2 { animation: dotCruise2 7s linear infinite; }
@keyframes dotCruise1 { 100% { transform: rotate(360deg); } }
@keyframes dotCruise2 { 100% { transform: rotate(-360deg); } }

.pulse-node {
  animation: nodePulse 2s ease-in-out infinite;
}
.pn1 { animation-delay: 0s; }
.pn2 { animation-delay: 0.5s; }
.pn3 { animation-delay: 1s; }
.pn4 { animation-delay: 0.3s; }
.pn5 { animation-delay: 0.8s; }
@keyframes nodePulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@keyframes brandBreathe {
  0%, 100% { opacity: 0.9; }
  50% { opacity: 1; }
}
.hero-illustration [filter="url(#brandGlow)"] {
  animation: brandBreathe 3s ease-in-out infinite;
}

.nexa-glow {
  animation: neonBreathe 1.8s ease-in-out infinite;
}
@keyframes neonBreathe {
  0%   { opacity: 0.15; }
  15%  { opacity: 0.9; }
  30%  { opacity: 0.4; }
  45%  { opacity: 1; }
  60%  { opacity: 0.25; }
  75%  { opacity: 0.95; }
  90%  { opacity: 0.5; }
  100% { opacity: 0.15; }
}

.flow-dot {
  animation: flowIn 3s ease-in-out infinite;
}
.fd1 { animation-delay: 0s; }
.fd2 { animation-delay: 1.5s; }
.fd3 { animation-delay: 0.75s; }
.fd4 { animation-delay: 2.25s; }
@keyframes flowIn {
  0% { opacity: 0; transform: scale(0); }
  30% { opacity: 0.9; transform: scale(1); }
  70% { opacity: 0.8; }
  100% { opacity: 0; transform: scale(0.3); }
}

.flow-line {
  animation: flowPulse 3s ease-in-out infinite;
}
.fl1 { animation-delay: 0s; }
.fl2 { animation-delay: 1.5s; }
.fl3 { animation-delay: 0.75s; }
.fl4 { animation-delay: 2.25s; }
@keyframes flowPulse {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.5; }
}

.wave-bar {
  animation: wavePulse var(--w, 1s) ease-in-out infinite alternate;
  transform-origin: center bottom;
}
@keyframes wavePulse {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1); }
}

.particles { position: absolute; inset: 0; pointer-events: none; }
.particle {
  position: absolute; width: 4px; height: 4px;
  border-radius: 50%; background: var(--accent-light);
  opacity: 0;
  animation: particleFloat 8s ease-in-out infinite;
}
.p1 { left: 10%; top: 20%; animation-delay: 0s; }
.p2 { left: 25%; top: 60%; animation-delay: 1.5s; width: 3px; height: 3px; }
.p3 { left: 40%; top: 30%; animation-delay: 3s; }
.p4 { left: 55%; top: 70%; animation-delay: 4.5s; width: 2px; height: 2px; }
.p5 { left: 70%; top: 15%; animation-delay: 2s; }
.p6 { left: 80%; top: 50%; animation-delay: 5s; width: 3px; height: 3px; background: #06b6d4; }
.p7 { left: 90%; top: 80%; animation-delay: 6s; width: 2px; height: 2px; background: #a78bfa; }
.p8 { left: 15%; top: 85%; animation-delay: 3.5s; background: #06b6d4; }
@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(0) scale(0); }
  10% { opacity: 0.6; transform: translateY(0) scale(1); }
  90% { opacity: 0.6; transform: translateY(-120px) scale(1); }
  100% { opacity: 0; transform: translateY(-140px) scale(0); }
}

.bubble-float {
  animation: floatUp 6s ease-in-out infinite;
  animation-delay: var(--t, 0s);
}
@keyframes floatUp {
  0%, 100% { transform: translateY(0); opacity: 0.35; }
  50% { transform: translateY(-8px); opacity: 0.55; }
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(140px); opacity: 0.12; }
.hero-glow-1 {
  width: 700px; height: 700px;
  background: var(--accent); top: -300px; right: -150px;
}
.hero-glow-2 {
  width: 500px; height: 500px;
  background: #06b6d4; bottom: -150px; left: -100px;
}
.hero-glow-3 {
  width: 400px; height: 400px;
  background: #8b5cf6; top: 40%; left: 40%;
  opacity: 0.06;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 10px 20px; border-radius: 20px;
  font-size: 14px; color: var(--accent-light); margin-bottom: 32px;
  transition: box-shadow 0.4s ease, border-color 0.3s ease;
}
.hero-badge:hover {
  border-color: rgba(129, 140, 248, 0.5);
  box-shadow:
    0 0 6px rgba(99, 102, 241, 0.3),
    0 0 16px rgba(99, 102, 241, 0.15);
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-light);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.hero-title {
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 800; line-height: 1.12;
  margin-bottom: 28px; letter-spacing: -0.02em;
}
.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 18px; color: var(--text-secondary);
  line-height: 1.9; margin-bottom: 40px; max-width: 620px;
}
.hero-actions {
  display: flex; gap: 16px; margin-bottom: 64px;
  align-items: center;
}
.hero-stats {
  display: flex; gap: 40px; align-items: center;
}
.stat-item { display: flex; flex-direction: column; }
.stat-value {
  font-size: 36px; font-weight: 800;
  background: var(--gradient-3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-plus { font-size: 22px; }
.stat-label { font-size: 14px; color: var(--text-muted); margin-top: 6px; }
.stat-divider {
  width: 1px; height: 40px;
  background: rgba(255,255,255,0.1);
}

.trust { background: var(--bg-secondary); }
.trust-header { text-align: center; margin-bottom: 56px; }
.trust-header h2 {
  font-size: clamp(28px, 4vw, 38px); font-weight: 700; margin: 16px 0;
}
.trust-header p {
  font-size: 17px; color: var(--text-secondary); max-width: 560px;
  margin: 0 auto; line-height: 1.7;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px; margin-bottom: 40px;
}
.trust-card {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 20px;
  transition: transform 0.2s, border-color 0.2s;
}
.trust-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.25);
}
.trust-num {
  font-size: 42px; font-weight: 800;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}
.trust-label { font-size: 14px; color: var(--text-muted); }
.cert-badges {
  display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;
}
.cert-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px;
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 20px;
  font-size: 13px; color: var(--text-secondary);
}

.value-props { }
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.value-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99, 102, 241, 0.25);
  box-shadow: 0 16px 48px rgba(99, 102, 241, 0.08);
}
.value-icon { font-size: 40px; margin-bottom: 20px; }
.value-card h3 { font-size: 20px; margin-bottom: 14px; }
.value-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }

.solutions { background: var(--bg-secondary); }
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-bottom: 48px;
}
.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 28px 24px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.solution-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.25);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.06);
}
.solution-card.featured-solution {
  border-color: rgba(99, 102, 241, 0.25);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), var(--bg-card));
}
.solution-header {
  display: flex; align-items: flex-start; gap: 14px;
  margin-bottom: 24px;
}
.solution-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  color: var(--accent-light);
  min-width: 48px;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.solution-card:hover .solution-icon {
  background: rgba(99, 102, 241, 0.18);
  color: #c4b5fd;
  transform: scale(1.1);
}
.solution-header h3 { font-size: 19px; margin-bottom: 4px; }
.solution-header p { font-size: 13px; color: var(--text-muted); }
.solution-features {
  list-style: none; margin-bottom: 24px;
}
.solution-features li {
  font-size: 14px; color: var(--text-secondary);
  padding: 7px 0; padding-left: 20px; position: relative;
  line-height: 1.6;
}
.solution-features li::before {
  content: ''; position: absolute; left: 0; top: 14px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-light);
}
.solution-kpi {
  display: flex; gap: 24px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}
.kpi-item { display: flex; flex-direction: column; }
.kpi-value {
  font-size: 28px; font-weight: 800;
  background: var(--gradient-3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.kpi-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.industry-tags {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; flex-wrap: wrap;
}
.industry-label {
  font-size: 14px; color: var(--text-muted); margin-right: 4px;
}
.industry-tag {
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px; color: var(--text-secondary);
  transition: border-color 0.2s, background 0.2s;
}
.industry-tag:hover {
  border-color: rgba(99, 102, 241, 0.25);
  background: rgba(99, 102, 241, 0.06);
}

.voice-ai { }
.voice-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}
.voice-content h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700; line-height: 1.3;
  margin: 16px 0 36px;
}
.voice-features {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; margin-bottom: 32px;
}
.voice-feat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.voice-feat-num {
  font-size: 28px; font-weight: 800;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.voice-feat p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.voice-capabilities {
  display: flex; flex-wrap: wrap; gap: 10px;
}
.voice-cap {
  padding: 8px 16px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: 20px;
  font-size: 13px; color: var(--text-secondary);
}

.voice-demo { }
.demo-card {
  background: var(--bg-card);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}
.demo-header {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 24px;
  background: rgba(99, 102, 241, 0.08);
  border-bottom: 1px solid rgba(99, 102, 241, 0.12);
  font-size: 14px; color: var(--accent-light); font-weight: 600;
}
.demo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e;
}
.demo-body { padding: 24px; }
.demo-line {
  margin-bottom: 20px; padding-left: 16px;
  border-left: 2px solid var(--border);
}
.demo-line:last-child { margin-bottom: 0; }
.demo-line.robot { border-left-color: var(--accent); }
.demo-line.human { border-left-color: #64748b; }
.demo-role {
  font-size: 12px; font-weight: 700; color: var(--text-muted);
  display: block; margin-bottom: 6px;
  text-transform: uppercase; letter-spacing: 1px;
}
.demo-line.robot .demo-role { color: var(--accent-light); }
.demo-line p {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.7;
}

.skills { background: var(--bg-secondary); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform 0.2s, border-color 0.2s;
}
.skill-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.25);
}
.skill-icon-wrap {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  margin-bottom: 16px;
}
.skill-svg {
  width: 22px; height: 22px;
  color: var(--accent-light);
}
.skill-card h4 { font-size: 16px; margin-bottom: 10px; }
.skill-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

.tech-engine { }

.model-pipeline {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; margin-bottom: 56px; flex-wrap: wrap;
}
.pipeline-step {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  min-width: 150px;
  transition: border-color 0.2s;
}
.pipeline-step:hover { border-color: rgba(99, 102, 241, 0.25); }
.pipeline-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--gradient-2);
  border-radius: 10px;
  font-size: 16px; font-weight: 700; color: #fff;
  margin-bottom: 12px;
}
.pipeline-step h4 { font-size: 15px; margin-bottom: 6px; }
.pipeline-step p { font-size: 12px; color: var(--text-muted); line-height: 1.5; max-width: 140px; }
.pipeline-arrow {
  font-size: 20px; color: var(--accent-light); font-weight: 700;
}

.engines-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.engine-card {
  background: linear-gradient(145deg, var(--bg-card), rgba(99, 102, 241, 0.03));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  transition: transform 0.3s, border-color 0.3s;
}
.engine-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.25);
}
.engine-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 16px;
  margin-bottom: 20px;
}
.asr-bg { background: linear-gradient(135deg, #3b82f6, #6366f1); }
.tts-bg { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.nlp-bg { background: linear-gradient(135deg, #06b6d4, #3b82f6); }
.engine-card h4 { font-size: 20px; margin-bottom: 14px; }
.engine-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 18px; }
.engine-specs {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.engine-specs span {
  padding: 6px 12px;
  background: rgba(99, 102, 241, 0.08);
  border-radius: 6px;
  font-size: 12px; color: var(--accent-light);
}

.about-plus { }
.about-plus-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px; align-items: center;
}
.about-plus-text h2 {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700; line-height: 1.3;
  margin: 16px 0 20px;
}
.about-plus-text p {
  font-size: 16px; color: var(--text-secondary);
  line-height: 1.9; margin-bottom: 14px;
}
.about-plus-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-plus-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: border-color 0.2s, transform 0.2s;
}
.about-plus-card:hover {
  border-color: rgba(99, 102, 241, 0.2);
  transform: translateY(-2px);
}
.ap-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  margin-bottom: 14px;
  color: var(--accent-light);
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.about-plus-card:hover .ap-icon {
  background: rgba(99, 102, 241, 0.18);
  color: #c4b5fd;
  transform: scale(1.08);
}
.about-plus-card h4 { font-size: 15px; margin-bottom: 6px; }
.about-plus-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }

.arch-diagram { }
.arch-svg-wrap {
  max-width: 880px; margin: 0 auto;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}
.arch-svg-wrap:hover {
  border-color: rgba(129, 140, 248, 0.5);
  box-shadow:
    0 0 6px rgba(99, 102, 241, 0.3),
    0 0 16px rgba(99, 102, 241, 0.15),
    0 0 36px rgba(99, 102, 241, 0.06);
}
.arch-svg {
  width: 100%; height: auto; display: block;
}

.security { background: var(--bg-secondary); }
.security-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}
.security-content h2 {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700; margin: 16px 0 36px;
}
.security-list { display: flex; flex-direction: column; gap: 20px; }
.security-item {
  display: flex; gap: 16px; align-items: flex-start;
}
.security-item strong { font-size: 15px; display: block; margin-bottom: 4px; }
.security-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.security-certs {
  display: flex; flex-direction: column; gap: 16px;
}
.cert-big {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex; align-items: center; gap: 18px;
  transition: border-color 0.2s;
}
.cert-big:hover { border-color: rgba(99, 102, 241, 0.25); }
.cert-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(99, 102, 241, 0.08);
  border-radius: 12px;
  color: var(--accent-light);
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.cert-big:hover .cert-icon {
  background: rgba(99, 102, 241, 0.16);
  color: #c4b5fd;
}
.cert-big h4 { font-size: 17px; margin-bottom: 4px; }
.cert-big p { font-size: 13px; color: var(--text-muted); }

.ai-agent { background: var(--bg-secondary); }
.agent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.agent-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  transition: transform 0.3s, border-color 0.3s;
}
.agent-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.25);
}
.agent-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  margin-bottom: 18px;
  color: var(--accent-light);
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.agent-card:hover .agent-icon {
  background: rgba(99, 102, 241, 0.18);
  color: #c4b5fd;
  transform: scale(1.1);
}
.agent-card h3 { font-size: 18px; margin-bottom: 12px; }
.agent-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

.solution-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 24px;
}
.solution-tags span {
  padding: 5px 12px;
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: 6px;
  font-size: 12px; color: var(--accent-light);
}

.voice-intro {
  font-size: 16px; color: var(--text-secondary);
  line-height: 1.9; margin-bottom: 36px;
}

.security-intro {
  font-size: 16px; color: var(--text-secondary);
  line-height: 1.9; margin-bottom: 32px;
}

.data-viz { }
.viz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.viz-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.4s ease;
}
.viz-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.06), 0 12px 32px rgba(0,0,0,0.3);
}
.viz-card h4 {
  font-size: 16px; margin-bottom: 20px; color: var(--text-primary);
  transition: color 0.3s ease, text-shadow 0.3s ease;
}
.viz-card:hover h4 {
  color: var(--accent-light);
  text-shadow: 0 0 12px rgba(99, 102, 241, 0.3);
}

.funnel-chart { display: flex; flex-direction: column; gap: 12px; }
.funnel-bar {
  display: flex; align-items: center; gap: 10px;
  position: relative;
  padding: 4px 0;
  transition: transform 0.3s ease;
}
.funnel-bar:hover { transform: translateX(6px); }
.f-label {
  font-size: 12px; color: var(--text-muted); min-width: 64px;
  transition: color 0.3s ease;
}
.funnel-bar:hover .f-label { color: var(--text-primary); }
.f-val {
  font-size: 13px; font-weight: 700; color: var(--accent-light); min-width: 40px;
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), color 0.3s ease;
}
.funnel-bar:hover .f-val {
  transform: scale(1.2);
  color: #c4b5fd;
}
.f-fill {
  height: 24px; border-radius: 6px; min-width: 20px;
  position: relative; overflow: hidden;
  transition: box-shadow 0.3s ease, filter 0.3s ease;
}
.f-fill::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg,
    transparent 0%, rgba(255,255,255,0.15) 40%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0.15) 60%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.funnel-bar:hover .f-fill {
  filter: brightness(1.25);
  box-shadow:
    0 0 8px rgba(99, 102, 241, 0.4),
    0 0 20px rgba(99, 102, 241, 0.2);
}
.funnel-bar:hover .f-fill::after {
  transform: translateX(100%);
}
.f1 .f-fill { background: linear-gradient(90deg, #6366f1, #818cf8); }
.f2 .f-fill { background: linear-gradient(90deg, #3b82f6, #6366f1); }
.f3 .f-fill { background: linear-gradient(90deg, #06b6d4, #3b82f6); }
.f4 .f-fill { background: linear-gradient(90deg, #8b5cf6, #a78bfa); }
.f5 .f-fill { background: linear-gradient(90deg, #a78bfa, #c4b5fd); }

.bar-chart { display: flex; flex-direction: column; gap: 18px; margin-bottom: 16px; }
.bar-row {
  display: flex; align-items: center; gap: 10px;
  transition: transform 0.3s ease;
}
.bar-row:hover { transform: translateX(4px); }
.bar-label {
  font-size: 12px; color: var(--text-muted); min-width: 72px;
  transition: color 0.3s ease;
}
.bar-row:hover .bar-label { color: var(--text-primary); }
.bar-track {
  flex: 1; height: 22px; background: rgba(255,255,255,0.03);
  border-radius: 6px; overflow: hidden; position: relative;
}
.bar-fill {
  height: 100%; border-radius: 6px; position: relative;
  transition: box-shadow 0.3s ease, filter 0.3s ease;
  min-width: 40px; overflow: hidden;
}
.bar-fill::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg,
    transparent 0%, rgba(255,255,255,0.2) 40%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0.2) 60%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}
.bar-row:hover .bar-fill {
  filter: brightness(1.2);
  box-shadow:
    0 0 8px rgba(99, 102, 241, 0.35),
    0 0 18px rgba(99, 102, 241, 0.15);
}
.bar-row:hover .bar-fill::after {
  transform: translateX(100%);
}
.gradient-fill { background: var(--gradient-2); }
.human-fill { background: rgba(100, 116, 139, 0.5); }
.bar-num {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  font-size: 11px; font-weight: 700; color: #fff;
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.bar-row:hover .bar-num {
  transform: translateY(-50%) scale(1.15);
}
.bar-legend {
  display: flex; gap: 24px; justify-content: center;
  font-size: 12px; color: var(--text-muted);
}
.legend-dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 3px;
  margin-right: 6px; vertical-align: middle;
  transition: box-shadow 0.3s ease;
}
.bar-legend span:hover .legend-dot {
  box-shadow: 0 0 6px rgba(99, 102, 241, 0.4);
}
.bar-legend span {
  transition: color 0.3s ease;
}
.bar-legend span:hover { color: var(--text-primary); }
.gradient-dot { background: var(--gradient-2); }
.human-dot { background: rgba(100, 116, 139, 0.5); }

.ring-charts {
  display: flex; justify-content: space-around; gap: 12px;
}
.ring-item {
  flex: 1; text-align: center;
  transition: transform 0.35s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.ring-item:hover { transform: scale(1.08); }
.ring-svg { width: 100%; max-width: 120px; height: auto; }
.ring-svg circle:nth-child(2) {
  transition: stroke-dashoffset 1.2s cubic-bezier(0.25, 0.8, 0.25, 1.2),
              filter 0.3s ease;
}
.ring-item:hover .ring-svg circle:nth-child(2) {
  stroke-dashoffset: 0 !important;
  filter: drop-shadow(0 0 6px rgba(99, 102, 241, 0.5))
          drop-shadow(0 0 14px rgba(99, 102, 241, 0.25));
}
.ring-item:hover .ring-svg text:first-of-type {
  transform: scale(1.1);
  transform-origin: center;
}

.ring-svg text {
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.audio-bars {
  display: flex; align-items: flex-end; gap: 3px;
  margin-left: auto; height: 20px;
}
.a-bar {
  display: block; width: 3px; border-radius: 2px;
  background: var(--accent-light);
  animation: audioWave 0.7s ease-in-out infinite alternate;
}
.a-bar:nth-child(1) { height: 60%; animation-delay: 0s; }
.a-bar:nth-child(2) { height: 100%; animation-delay: 0.1s; }
.a-bar:nth-child(3) { height: 40%; animation-delay: 0.2s; }
.a-bar:nth-child(4) { height: 80%; animation-delay: 0.15s; }
.a-bar:nth-child(5) { height: 35%; animation-delay: 0.25s; }
.a-bar:nth-child(6) { height: 70%; animation-delay: 0.05s; }
.a-bar:nth-child(7) { height: 50%; animation-delay: 0.3s; }
@keyframes audioWave {
  0% { transform: scaleY(0.3); }
  100% { transform: scaleY(1); }
}

.demo-dot.live {
  animation: livePulse 1.5s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { opacity: 0.5; box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

.cases { }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  transition: transform 0.3s, border-color 0.3s;
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.25);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.case-tag {
  display: inline-block;
  font-size: 12px; font-weight: 600; color: var(--accent-light);
  padding: 5px 14px; background: rgba(99, 102, 241, 0.1);
  border-radius: 6px; margin-bottom: 18px;
}
.case-card h4 { font-size: 19px; margin-bottom: 14px; }
.case-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.case-data {
  display: flex; flex-wrap: wrap; gap: 24px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}
.case-data span { font-size: 13px; color: var(--text-muted); }
.case-data strong {
  display: block;
  font-size: 22px;
  background: var(--gradient-3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.why-us { background: var(--bg-secondary); }
.compare-table-wrapper { overflow-x: auto; max-width: 900px; margin: 0 auto; }
.compare-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border);
}
.compare-table th {
  background: var(--bg-card);
  padding: 18px 28px; font-size: 14px;
  text-align: left; font-weight: 600;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.compare-table td {
  padding: 16px 28px; font-size: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(99, 102, 241, 0.03); }
.highlight-col {
  color: var(--text-primary) !important;
  background: rgba(99, 102, 241, 0.04);
}

.delivery { }
.delivery-flow {
  display: flex; justify-content: center; gap: 20px;
  flex-wrap: wrap; margin-bottom: 32px;
}
.delivery-step {
  flex: 1; min-width: 160px; max-width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
  position: relative;
}
.delivery-step:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.25);
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  background: var(--gradient-2);
  border-radius: 14px;
  font-size: 18px; font-weight: 800; color: #fff;
  margin-bottom: 16px;
}
.delivery-step h4 { font-size: 16px; margin-bottom: 8px; }
.delivery-step p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.step-time {
  display: inline-block; margin-top: 12px;
  font-size: 12px; color: var(--accent-light);
  background: rgba(99, 102, 241, 0.1);
  padding: 5px 12px; border-radius: 6px;
}
.delivery-note { text-align: center; }
.delivery-note p {
  font-size: 14px; color: var(--text-muted); margin-bottom: 8px;
}

.cta { }
.cta-wrapper { }
.cta-inner {
  text-align: center;
  background: linear-gradient(160deg, rgba(99, 102, 241, 0.12), rgba(59, 130, 246, 0.06), rgba(6, 182, 212, 0.04));
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-xl);
  padding: 72px 40px;
}
.cta-subtitle {
  display: block;
  font-size: 14px; color: var(--accent-light);
  margin-bottom: 20px; letter-spacing: 1px;
}
.cta-inner h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 20px;
}
.cta-inner p {
  font-size: 17px; color: var(--text-secondary);
  margin-bottom: 40px; line-height: 1.9;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 44px;
}
.footer-logo {
  display: flex; align-items: center;
  margin-bottom: 14px;
}
.footer-brand p { font-size: 14px; color: var(--text-muted); max-width: 280px; line-height: 1.7; }
.footer-col h4 { font-size: 15px; margin-bottom: 18px; color: var(--text-primary); }
.footer-col ul { list-style: none; }
.footer-col li, .footer-col a {
  font-size: 14px; color: var(--text-muted);
  padding: 6px 0; display: block;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text-secondary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  text-align: center;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--text-secondary); }

.trust-card, .solution-card, .agent-card, .skill-card,
.engine-card, .case-card, .cert-big, .value-card,
.about-plus-card, .voice-feat, .delivery-step, .viz-card {
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2),
              border-color 0.3s ease,
              box-shadow 0.4s ease;
  position: relative;
}
.trust-card:hover, .solution-card:hover, .agent-card:hover,
.skill-card:hover, .engine-card:hover, .case-card:hover,
.cert-big:hover, .value-card:hover, .about-plus-card:hover,
.voice-feat:hover, .delivery-step:hover, .viz-card:hover {
  transform: translateY(-6px);
  border-color: rgba(129, 140, 248, 0.7) !important;
  box-shadow:
    0 0 6px rgba(99, 102, 241, 0.5),
    0 0 16px rgba(99, 102, 241, 0.3),
    0 0 36px rgba(99, 102, 241, 0.15),
    0 0 60px rgba(99, 102, 241, 0.06),
    0 12px 32px rgba(0, 0, 0, 0.25) !important;
}

.trust-card:hover .trust-num {
  animation: scalePop 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
@keyframes scalePop {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.skill-card:hover .skill-icon-wrap {
  transform: scale(1.15) rotate(-5deg);
  background: rgba(99, 102, 241, 0.2) !important;
}
.skill-icon-wrap {
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55),
              background 0.3s ease;
}

.engine-card {
  overflow: hidden;
  transition: transform 0.4s ease, border-color 0.3s ease, box-shadow 0.4s ease;
}
.engine-card:hover {
  transform: translateY(-6px);
  border-color: rgba(129, 140, 248, 0.7) !important;
  box-shadow:
    0 0 6px rgba(99, 102, 241, 0.5),
    0 0 16px rgba(99, 102, 241, 0.3),
    0 0 36px rgba(99, 102, 241, 0.15),
    0 0 60px rgba(99, 102, 241, 0.06),
    0 12px 32px rgba(0, 0, 0, 0.25) !important;
}
.engine-icon {
  transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55),
              box-shadow 0.3s ease;
}
.engine-card:hover .engine-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow:
    0 0 8px rgba(99, 102, 241, 0.5),
    0 0 20px rgba(99, 102, 241, 0.3),
    0 0 40px rgba(99, 102, 241, 0.15);
}

.cta-inner {
  position: relative; overflow: hidden;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}
.cta-inner:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.1),
              0 0 30px rgba(99, 102, 241, 0.05);
}
.cta-inner::before {
  content: ''; position: absolute;
  top: -60%; left: -60%; width: 220%; height: 220%;
  background: conic-gradient(
    from 0deg,
    transparent, rgba(99, 102, 241, 0.02), transparent,
    rgba(6, 182, 212, 0.02), transparent, rgba(99, 102, 241, 0.02)
  );
  animation: rotateGlow 20s linear infinite;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.cta-inner:hover::before { opacity: 1; }
@keyframes rotateGlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.solution-card:hover .kpi-value {
  animation: numberPop 0.3s ease;
}
@keyframes numberPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.case-card:hover .case-data strong {
  background: var(--gradient-1) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
}

.cert-big {
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.cert-big:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.1);
}
.cert-icon {
  transition: transform 0.3s ease;
}
.cert-big:hover .cert-icon {
  animation: iconBounce 0.6s ease;
}
@keyframes iconBounce {
  0%, 100% { transform: scale(1); }
  30% { transform: scale(1.2) rotate(-5deg); }
  60% { transform: scale(0.9) rotate(3deg); }
}

.cert-badge {
  transition: all 0.3s ease;
}
.cert-badge:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.12);
}

.industry-tag {
  transition: all 0.3s ease;
}
.industry-tag:hover {
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-2px);
  color: var(--accent-light);
}

.delivery-step {
  transition: all 0.3s ease;
}
.delivery-step::after {
  content: ''; position: absolute; top: 50%; right: -12px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-light); opacity: 0;
  transition: opacity 0.3s ease;
}
.delivery-step:hover::after { opacity: 0.6; }

.compare-table tr {
  transition: background 0.2s ease;
}
.compare-table tr:hover td {
  background: rgba(99, 102, 241, 0.06) !important;
}

.section {
  animation: fadeUp 0.8s ease both;
}
.section:nth-child(2) { animation-delay: 0.1s; }
.section:nth-child(3) { animation-delay: 0.2s; }
.section:nth-child(4) { animation-delay: 0.3s; }

.logo {
  transition: transform 0.2s ease;
}
.logo:hover { transform: scale(1.03); }

.demo-card {
  transition: box-shadow 0.4s ease, border-color 0.3s ease;
}
.demo-card:hover {
  border-color: rgba(129, 140, 248, 0.7) !important;
  box-shadow:
    0 0 6px rgba(99, 102, 241, 0.5),
    0 0 16px rgba(99, 102, 241, 0.3),
    0 0 36px rgba(99, 102, 241, 0.15),
    0 0 60px rgba(99, 102, 241, 0.06),
    0 12px 48px rgba(0, 0, 0, 0.4) !important;
}

.voice-cap {
  transition: all 0.3s ease;
}
.voice-cap:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.25);
  color: var(--accent-light);
  transform: translateY(-2px);
}

.footer-col a {
  transition: all 0.2s ease;
}
.footer-col a:hover {
  transform: translateX(4px);
  color: var(--accent-light) !important;
}

@media (max-width: 1024px) {
  .hero-row { grid-template-columns: 1fr; gap: 0; }
  .hero-visual { display: none; }
  .voice-wrapper { grid-template-columns: 1fr; gap: 32px; }
  .solutions-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .security-wrapper { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .engines-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .about-plus-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .agent-grid { grid-template-columns: 1fr; }
  .viz-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero { padding: 110px 0 60px; min-height: auto; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .stat-divider { display: none; }
  .hero-actions { flex-direction: column; }
  .value-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .voice-features { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .model-pipeline { flex-direction: column; gap: 8px; }
  .pipeline-arrow { transform: rotate(90deg); }
  .about-plus-cards { grid-template-columns: 1fr; }
}