* {
  box-sizing: border-box;
}

:root {
  --bg: #070914;
  --bg-soft: #0d1022;
  --card: rgba(255,255,255,0.065);
  --card-border: rgba(255,255,255,0.12);
  --text: #f4f7ff;
  --muted: #a7b0c8;
  --accent: #7c5cff;
  --accent-2: #00e5ff;
  --success: #57ffb2;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(124,92,255,0.30), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(0,229,255,0.18), transparent 26%),
    linear-gradient(180deg, #070914 0%, #0b0d18 100%);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

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

.nav {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 0 32px rgba(124,92,255,0.45);
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--text);
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 660px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 42px;
  align-items: center;
  padding: 54px 0 80px;
}

.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 800;
}

h1 {
  margin: 10px 0 0;
  font-size: clamp(64px, 10vw, 132px);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

h2 {
  margin: 12px 0 0;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero-text {
  max-width: 680px;
  color: var(--muted);
  font-size: 20px;
  margin: 24px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 18px 50px rgba(124,92,255,0.32);
}

.btn.secondary {
  border: 1px solid var(--card-border);
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

.disclaimer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}

.hero-panel {
  border: 1px solid var(--card-border);
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.045));
  border-radius: 30px;
  padding: 24px;
  box-shadow: 0 30px 90px rgba(0,0,0,0.35);
  backdrop-filter: blur(16px);
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  margin-bottom: 18px;
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 20px rgba(87,255,178,0.8);
}

.signal-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0,0,0,0.22);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 12px;
}

.signal-card strong {
  display: block;
  font-size: 22px;
}

.signal-card span {
  color: var(--muted);
  font-size: 13px;
}

.signal-card b {
  font-size: 28px;
  color: var(--accent-2);
}

.mini-feed {
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
}

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 20px 0 80px;
}

.features article {
  border: 1px solid var(--card-border);
  background: var(--card);
  border-radius: 24px;
  padding: 22px;
  min-height: 260px;
}

.features span {
  color: var(--accent-2);
  font-weight: 900;
}

.features h3 {
  margin: 18px 0 10px;
  font-size: 22px;
}

.features p {
  color: var(--muted);
}

.features a {
  color: var(--accent-2);
  font-weight: 800;
}

.mission {
  border: 1px solid var(--card-border);
  background: linear-gradient(135deg, rgba(124,92,255,0.15), rgba(0,229,255,0.06));
  border-radius: 32px;
  padding: 34px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 30px;
  margin-bottom: 80px;
}

.mission p:last-child {
  color: var(--muted);
  font-size: 18px;
}

.cta {
  text-align: center;
  padding: 76px 20px;
  border-radius: 32px;
  background:
    radial-gradient(circle at 50% 0%, rgba(0,229,255,0.18), transparent 35%),
    rgba(255,255,255,0.045);
  border: 1px solid var(--card-border);
  margin-bottom: 60px;
}

.cta p {
  color: var(--muted);
  max-width: 620px;
  margin: 16px auto 28px;
  font-size: 18px;
}

footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 46px;
  color: var(--muted);
  font-size: 14px;
}

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

  .nav-links {
    flex-wrap: wrap;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 34px;
  }

  .features {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 560px) {
  .features {
    grid-template-columns: 1fr;
  }

  .hero-text {
    font-size: 17px;
  }

  .hero-panel {
    padding: 18px;
    border-radius: 22px;
  }
}