:root {
  --bg: #07111f;
  --bg-soft: #0d1b2d;
  --surface: rgba(11, 28, 47, 0.72);
  --surface-strong: rgba(13, 34, 58, 0.92);
  --card-border: rgba(138, 180, 248, 0.18);
  --text: #eef5ff;
  --muted: #a9bdd8;
  --primary: #64d8ff;
  --primary-strong: #73a9ff;
  --accent: #95ffca;
  --shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --container: 1180px;
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 10% 10%, rgba(100, 216, 255, 0.12), transparent 28%),
    radial-gradient(circle at 90% 15%, rgba(149, 255, 202, 0.12), transparent 25%),
    linear-gradient(180deg, #07101d 0%, #081525 40%, #06111d 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

button,
a.button {
  font: inherit;
}

#particle-canvas,
.cursor-glow,
.background-grid {
  pointer-events: none;
  position: fixed;
  inset: 0;
}

#particle-canvas {
  z-index: 0;
}

.cursor-glow {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(100, 216, 255, 0.18), transparent 65%);
  transform: translate(-50%, -50%);
  z-index: 0;
  transition: transform 80ms linear;
  opacity: 0.8;
}

.background-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 92%);
  opacity: 0.18;
  z-index: 0;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.section {
  padding: 4.5rem 0;
  position: relative;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(7, 17, 31, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 78px;
}

.brand img {
  width: 208px;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.3rem;
  color: var(--muted);
}

.main-nav a {
  position: relative;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 50px;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(135deg, rgba(100, 216, 255, 0.95), rgba(115, 169, 255, 0.9));
  color: #03111f;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(100, 216, 255, 0.2);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(100, 216, 255, 0.28);
}

.button-secondary,
.button-outline,
.button-tertiary,
.slider-button {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  box-shadow: none;
}

.button-secondary:hover,
.button-outline:hover,
.button-tertiary:hover,
.slider-button:hover {
  background: rgba(255, 255, 255, 0.1);
}

.button-small {
  min-height: 42px;
  padding-inline: 1rem;
}

.hero {
  padding-top: 6rem;
  padding-bottom: 3.5rem;
}

.hero-layout,
.spotlight-layout {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 700;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.7rem);
  max-width: 12ch;
}

.hero-text,
.section-heading p,
.feature-card p,
.download-card p,
.grade-slide p,
.metric-card p,
.demo-inner p,
.site-footer p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 65ch;
  font-size: 1.06rem;
  margin: 1.25rem 0 1.6rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.4rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-badges li,
.pill,
.demo-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #d6e4f7;
  font-size: 0.92rem;
}

.glass-card {
  background: linear-gradient(180deg, rgba(14, 28, 45, 0.8), rgba(8, 22, 37, 0.9));
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.dashboard-card {
  padding: 1.15rem;
}

.dashboard-topline {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: #d7f7ea;
  font-size: 0.94rem;
  margin-bottom: 1rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(149, 255, 202, 0.6);
}

.dashboard-screen {
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(8, 22, 37, 0.96), rgba(4, 14, 24, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1rem;
}

.camera-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.camera-tile {
  min-height: 150px;
  border-radius: 18px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    radial-gradient(circle at 50% 15%, rgba(100, 216, 255, 0.22), transparent 45%),
    linear-gradient(180deg, #102843, #09192c);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.camera-tile span {
  color: #c9d9f1;
  font-size: 0.95rem;
}

.camera-tile strong {
  font-size: 1rem;
}

.camera-tile.active {
  border-color: rgba(149, 255, 202, 0.4);
  box-shadow: inset 0 0 0 1px rgba(149, 255, 202, 0.12);
}

.event-ribbon {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.event-ribbon span {
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(100, 216, 255, 0.08);
  color: #cfe9ff;
  font-size: 0.9rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.stat-row > div {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-label {
  display: block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.metrics-grid,
.feature-grid,
.downloads-grid {
  display: grid;
  gap: 1rem;
}

.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card {
  padding: 1.4rem;
}

.metric-number {
  display: inline-block;
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.06em;
  margin-bottom: 0.6rem;
  color: var(--primary);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 1.7rem;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  margin-bottom: 0.85rem;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.download-card {
  padding: 1.35rem;
  min-height: 100%;
}

.feature-card h3,
.download-card h3,
.grade-slide h3,
.demo-inner h3 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #04111d;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  margin-bottom: 1rem;
}

.spotlight {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
}

.grade-slider {
  padding: 1.4rem;
}

.grade-track {
  position: relative;
  min-height: 310px;
}

.grade-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(18px) scale(0.98);
  transition: opacity 320ms ease, transform 320ms ease;
  display: grid;
  align-content: start;
  gap: 0.9rem;
  padding: 1rem;
}

.grade-slide.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.grade-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 84px;
  height: 84px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(100, 216, 255, 0.18), rgba(149, 255, 202, 0.12));
  border: 1px solid rgba(149, 255, 202, 0.18);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.slider-button {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.75rem 1rem;
  cursor: pointer;
}

.slider-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  flex: 1;
}

.slider-dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.18);
  cursor: pointer;
  transition: transform var(--transition), background var(--transition);
}

.slider-dot.is-active {
  background: var(--primary);
  transform: scale(1.15);
}

.demo-placeholder {
  min-height: 420px;
  padding: 1.2rem;
}

.demo-inner {
  min-height: 100%;
  border-radius: calc(var(--radius-xl) - 6px);
  border: 2px dashed rgba(255, 255, 255, 0.12);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem;
  background:
    radial-gradient(circle at top, rgba(100, 216, 255, 0.08), transparent 35%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
}

.downloads-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.download-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.7rem;
}


.cta-section {
  padding-top: 1rem;
  padding-bottom: 5rem;
}

.cta-card {
  padding: 2rem;
  text-align: center;
}

.cta-card h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.04em;
}

.cta-card p {
  max-width: 54ch;
  margin: 0 auto;
  color: var(--muted);
  line-height: 1.7;
}

.cta-actions {
  justify-content: center;
  margin-top: 1.5rem;
  margin-bottom: 0;
}

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
}

.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 560ms ease, transform 560ms ease;
}

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

.delay-1 {
  transition-delay: 100ms;
}

.delay-2 {
  transition-delay: 180ms;
}

@media (max-width: 1080px) {
  .hero-layout,
  .spotlight-layout,
  .feature-grid,
  .downloads-grid,
  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-layout,
  .spotlight-layout {
    gap: 1.5rem;
  }
}

@media (max-width: 820px) {
  .site-header {
    position: relative;
  }

  .nav-wrap,
  .footer-wrap,
  .main-nav,
  .stat-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    gap: 0.7rem;
  }

  .hero {
    padding-top: 3.8rem;
  }

  .hero-layout,
  .spotlight-layout,
  .feature-grid,
  .downloads-grid,
  .metrics-grid,
  .stat-row {
    grid-template-columns: 1fr;
  }

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

  .grade-track {
    min-height: 340px;
  }

  .section {
    padding: 3.5rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .fade-up {
    opacity: 1;
    transform: none;
  }
}