@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

:root{
  --bg-deep: #040814;
  --bg-mid: #060c1f;
  --blue-deep: #0a1a4d;
  --blue-accent: #4d7cff;
  --green-neon: #39ffa0;
  --green-neon-soft: rgba(57,255,160,0.35);
  --text-primary: #eef2ff;
  --text-muted: #aab6d9;
  --panel-bg: rgba(9,15,32,0.7);
  --panel-border: rgba(120,150,255,0.22);
}

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

html, body{
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
}

body{
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  position: relative;
  min-height: 100vh;
}

h1, h2, h3, .logo{
  font-family: 'Space Grotesk', 'Inter', sans-serif;
}

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

/* ===== Layered background system ===== */
.bg-base{
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 20% 15%, rgba(77,124,255,0.16), transparent 55%),
    radial-gradient(ellipse at 80% 85%, rgba(57,255,160,0.10), transparent 55%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 45%, var(--bg-deep) 100%);
}

#neuralCanvas{
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}

main.flex-fill, header.nav, footer.text-center{
  position: relative;
  z-index: 10;
}

/* ===== Nav ===== */
header.nav{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 5vw;
  background: rgba(4,8,20,0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(120,150,255,0.12);
}

.logo{
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.logo .l-neuro{ color: var(--text-primary); }
.logo .l-config{
  color: var(--green-neon);
  text-shadow: 0 0 18px rgba(57,255,160,0.45);
}
.logo .l-tld{ color: var(--text-muted); font-weight: 500; font-size: 0.85em; }

.nav-link{
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid var(--green-neon-soft);
  color: var(--green-neon);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible{
  background: var(--green-neon);
  color: #04140c;
  box-shadow: 0 0 24px rgba(57,255,160,0.5);
  transform: translateY(-1px);
}

.nav-link:focus-visible{
  outline: 2px solid var(--green-neon);
  outline-offset: 3px;
}

/* ===== Hero ===== */
.hero{
  position: relative;
  z-index: 2;
  padding: 14vh 6vw 8vh;
  min-height: 74vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid rgba(57,255,160,0.3);
  background: rgba(57,255,160,0.06);
  color: var(--green-neon);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.eyebrow .dot{
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-neon);
  box-shadow: 0 0 10px var(--green-neon);
}

.hero h1{
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.12;
  max-width: 920px;
  margin: 0 0 24px;
  background: linear-gradient(120deg, #ffffff 0%, #cfe0ff 45%, var(--green-neon) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.sub{
  max-width: 680px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 400;
}

/* ===== Cards ===== */
.cards-section{
  position: relative;
  z-index: 2;
  padding: 6vh 6vw 10vh;
  max-width: 1200px;
  margin: 0 auto;
}

.cards-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card{
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 38px 35px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover{
  transform: translateY(-8px);
  border-color: rgba(57,255,160,0.4);
  box-shadow: 0 20px 40px rgba(4,8,20,0.5), 0 0 30px rgba(57,255,160,0.12);
}

.card .icon{
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(77,124,255,0.25), rgba(57,255,160,0.25));
  border: 1px solid rgba(120,150,255,0.25);
  margin-bottom: 20px;
  position: relative;
}

.card .icon::after{
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--green-neon);
  box-shadow: 0 0 14px var(--green-neon);
}

.card h3{
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 12px;
  color: var(--text-primary);
}

.card p{
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* ===== Signal line / CTA ===== */
.signal-line{
  position: relative;
  z-index: 2;
  padding: 8vh 6vw 14vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.signal-inner{
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.signal-status{
  margin: 0;
  display: inline-block;
  padding: 6px 18px;
  border-radius: 999px;
  border: 1px solid rgba(57,255,160,0.35);
  color: var(--green-neon);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.signal-cta{
  display: inline-block;
  padding: 20px 48px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--green-neon), #7dffc4);
  color: #04140c;
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.25rem);
  letter-spacing: 0.02em;
  box-shadow: 0 0 40px rgba(57,255,160,0.35), 0 14px 30px rgba(4,8,20,0.5);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.signal-cta:hover,
.signal-cta:focus-visible{
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 60px rgba(57,255,160,0.5), 0 18px 36px rgba(4,8,20,0.55);
}

.signal-cta:focus-visible{
  outline: 2px solid #ffffff;
  outline-offset: 4px;
}

.signal-sub{
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== Footer ===== */
/* Footer markup itself is injected via SSI and shouldn't be edited per-domain -
   spacing and contrast live here instead so the footer stays readable over the
   fixed background and canvas animation. */

footer.text-center{
  padding: 20px 6vw;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  background: rgba(4,8,20,0.75);
  border-top: 1px solid rgba(120,150,255,0.14);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

footer.text-center div{
  margin: 4px 0;
}

footer.text-center a{
  color: var(--green-neon);
}

@media (prefers-reduced-motion: reduce){
  *{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 480px){
  header.nav{
    padding: 14px 5vw;
  }
  .logo{ font-size: 1.05rem; }
  .nav-link{
    padding: 8px 16px;
    font-size: 0.82rem;
  }
  .hero{
    padding: 12vh 6vw 6vh;
    min-height: 60vh;
  }
  .eyebrow{
    font-size: 0.68rem;
    padding: 5px 12px;
  }
  .card{
    padding: 28px 24px;
  }
  .signal-cta{
    padding: 16px 34px;
    width: 100%;
  }
  .signal-line{
    padding: 6vh 6vw 10vh;
  }
}