:root {
  --vl-blue: #0047d5;
  --vl-blue-dark: #0036a8;
  --vl-cyan: #22d3ee;
  --vl-ink: #0f172a;
  --vl-muted: #64748b;
  --vl-bg: #f8fafc;
  --vl-white: #ffffff;
  --vl-radius: 16px;
  --vl-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
  --vl-max: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--vl-ink);
  background: var(--vl-white);
  line-height: 1.6;
}

img,
video {
  max-width: 100%;
  display: block;
}

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

.container {
  width: min(var(--vl-max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
  color: var(--vl-muted);
}

.nav a:hover {
  color: var(--vl-ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--vl-blue), #6366f1);
  color: var(--vl-white);
  box-shadow: 0 12px 30px rgba(0, 71, 213, 0.28);
}

.btn-secondary {
  background: var(--vl-white);
  border-color: rgba(15, 23, 42, 0.12);
  color: var(--vl-ink);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 60% at 20% 0%, rgba(34, 211, 238, 0.18), transparent),
    radial-gradient(ellipse 60% 50% at 100% 20%, rgba(99, 102, 241, 0.18), transparent),
    linear-gradient(180deg, #0b1220 0%, #111827 55%, #0f172a 100%);
  color: var(--vl-white);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 88px 0 72px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.25);
  color: #a5f3fc;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 18px 0 16px;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero-lead {
  margin: 0 0 28px;
  max-width: 560px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.125rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-points {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.hero-points li::before {
  content: '✓';
  color: var(--vl-cyan);
  margin-right: 8px;
}

.hero-media {
  position: relative;
}

.hero-video,
.product-video {
  width: 100%;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--vl-shadow);
  background: #000;
}

.hero-glow {
  position: absolute;
  inset: auto -10% -12% -10%;
  height: 40%;
  background: radial-gradient(circle, rgba(0, 71, 213, 0.45), transparent 70%);
  filter: blur(30px);
  z-index: -1;
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: var(--vl-bg);
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-head.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-kicker {
  color: var(--vl-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-head h2 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.section-head p {
  margin: 0;
  color: var(--vl-muted);
  font-size: 1.05rem;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.use-case-card {
  padding: 28px;
  border-radius: var(--vl-radius);
  background: var(--vl-white);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.use-case-card .num {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(0, 71, 213, 0.1);
  color: var(--vl-blue);
  font-weight: 700;
  margin-bottom: 16px;
}

.use-case-card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.use-case-card p {
  margin: 0;
  color: var(--vl-muted);
  font-size: 0.95rem;
}

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

.split.reverse {
  direction: rtl;
}

.split.reverse > * {
  direction: ltr;
}

.media-card {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--vl-shadow);
  background: var(--vl-white);
}

.media-card img {
  width: 100%;
  height: auto;
}

.feature-list {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--vl-muted);
}

.feature-list strong {
  color: var(--vl-ink);
}

.bullet {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--vl-blue), var(--vl-cyan));
  flex-shrink: 0;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stat-card {
  padding: 24px;
  border-radius: var(--vl-radius);
  background: linear-gradient(180deg, rgba(0, 71, 213, 0.08), rgba(99, 102, 241, 0.04));
  border: 1px solid rgba(0, 71, 213, 0.08);
}

.stat-card strong {
  display: block;
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.stat-card span {
  color: var(--vl-muted);
  font-size: 0.92rem;
}

.cta {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--vl-blue), #4338ca);
  color: var(--vl-white);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.site-footer {
  padding: 40px 0 56px;
  background: #0b1220;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 28px;
}

.footer-grid h4 {
  margin: 0 0 12px;
  color: var(--vl-white);
  font-size: 14px;
}

.footer-grid ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.footer-grid a:hover {
  color: var(--vl-white);
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 960px) {
  .nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero-grid,
  .split,
  .footer-grid,
  .stats,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .header-actions .btn-secondary {
    display: none;
  }

  .section {
    padding: 64px 0;
  }
}