:root {
  --bg-0: #04070d;
  --bg-1: #0b1220;
  --bg-2: #111a2d;
  --text-primary: #edf5ff;
  --text-secondary: #9db1c9;
  --accent-cyan: #19e7ff;
  --accent-orange: #ff9f1c;
  --accent-lime: #9cfb5f;
  --line-soft: rgba(255, 255, 255, 0.14);
  --card-bg: rgba(14, 24, 42, 0.72);
  --card-border: rgba(25, 231, 255, 0.24);
  --shadow: 0 30px 120px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--text-primary);
  background: radial-gradient(1200px 700px at 8% -10%, rgba(25, 231, 255, 0.2), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(255, 159, 28, 0.2), transparent 55%),
    linear-gradient(145deg, var(--bg-0), var(--bg-1) 40%, var(--bg-2));
  font-family: 'Noto Sans SC', 'Space Grotesk', sans-serif;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 20%, black, transparent 75%);
  z-index: -3;
}

.bg-glow {
  position: fixed;
  width: 560px;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  z-index: -2;
  pointer-events: none;
  animation: float 12s ease-in-out infinite;
}

.bg-glow-cyan {
  top: 8%;
  left: -120px;
  background: rgba(25, 231, 255, 0.45);
}

.bg-glow-orange {
  right: -120px;
  bottom: -120px;
  background: rgba(255, 159, 28, 0.35);
  animation-delay: -5s;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 16px 6vw;
  backdrop-filter: blur(12px);
  background: rgba(5, 8, 14, 0.68);
  border-bottom: 1px solid var(--line-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: 0.06em;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
}

.brand-icon,
.brand img {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  display: inline-block;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  object-fit: cover;
  box-shadow: 0 0 22px rgba(25, 231, 255, 0.42);
}

.topbar nav {
  display: inline-flex;
  justify-content: center;
  gap: 22px;
}

.topbar nav a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.section {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 92px 0;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 72px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  letter-spacing: 0.18em;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  color: var(--accent-lime);
}

.eyebrow::before {
  content: '';
  width: 36px;
  height: 1px;
  background: var(--accent-lime);
}

.hero h1 {
  margin: 12px 0 0;
  font-family: 'Bebas Neue', 'Space Grotesk', sans-serif;
  font-size: clamp(64px, 11vw, 140px);
  letter-spacing: 0.03em;
  line-height: 0.9;
}

.lead {
  margin: 14px 0;
  font-size: clamp(22px, 3.2vw, 36px);
  font-weight: 700;
  line-height: 1.3;
}

.sublead {
  margin: 0;
  max-width: 620px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.primary-btn {
  min-width: 144px;
  padding: 12px 24px;
  color: #07111d;
  background: linear-gradient(90deg, var(--accent-cyan), #7be6ff 55%, var(--accent-lime));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25) inset, 0 10px 40px rgba(25, 231, 255, 0.35);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.42) inset, 0 16px 50px rgba(25, 231, 255, 0.5);
}

.ghost-btn {
  min-width: 132px;
  padding: 11px 22px;
  color: var(--text-primary);
  border: 1px solid var(--line-soft);
  background: rgba(8, 15, 26, 0.45);
}

.ghost-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(25, 231, 255, 0.7);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.hero-tags li {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  color: var(--text-secondary);
  font-size: 13px;
  background: rgba(255, 255, 255, 0.03);
}

.hero-visual {
  position: relative;
  border: 1px solid var(--card-border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transform: perspective(1400px) rotateY(-9deg) rotateX(4deg);
  padding: 28px;
  background: linear-gradient(160deg, rgba(9, 16, 28, 0.8), rgba(13, 27, 48, 0.7));
}

.orbit {
  position: absolute;
  inset: -30%;
  border-radius: 50%;
  border: 1px solid rgba(25, 231, 255, 0.22);
  animation: spin 16s linear infinite;
}

.signal-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.signal-card {
  border-radius: 16px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(4, 11, 21, 0.62);
}

.signal-card h3 {
  margin: 0;
  color: var(--accent-cyan);
  letter-spacing: 0.08em;
  font-size: 13px;
  font-family: 'Space Grotesk', sans-serif;
}

.signal-card p {
  margin: 10px 0 0;
  font-size: 20px;
  font-weight: 700;
}

.section-head h2 {
  margin: 14px 0 0;
  font-size: clamp(28px, 4vw, 56px);
  line-height: 1.1;
}

.feature-grid {
  margin-top: 34px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.step {
  border-radius: 20px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  backdrop-filter: blur(6px);
  padding: 22px;
}

.card h3,
.step h3 {
  margin: 0;
  font-size: 20px;
}

.card p,
.step p {
  margin: 12px 0 0;
  color: var(--text-secondary);
  line-height: 1.8;
}

.workflow .steps {
  margin-top: 28px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step span {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--accent-orange);
  letter-spacing: 0.14em;
  font-size: 13px;
}

.footer {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 30px 0 48px;
  border-top: 1px solid var(--line-soft);
  color: var(--text-secondary);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@keyframes spin {
  to {
    transform: rotate(1turn);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -22px, 0);
  }
}

@media (max-width: 1100px) {
  .feature-grid,
  .workflow .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .hero-visual {
    transform: none;
  }
}

@media (max-width: 900px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar nav {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 14px;
  }

  .section {
    padding: 72px 0;
  }

  .feature-grid,
  .workflow .steps,
  .signal-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: clamp(56px, 24vw, 96px);
  }

  .lead {
    font-size: 22px;
  }
}