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

:root {
  --bg-deep: #0a0e17;
  --bg-panel: #111826;
  --bg-panel-2: #141d2e;
  --silver: #c9d2de;
  --silver-muted: #8b96a8;
  --blue-accent: #5b8def;
  --blue-bright: #7eb0ff;
  --border-soft: rgba(201, 210, 222, 0.12);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-deep);
  color: var(--silver);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* ---- Background layers ---- */

.bg-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  background: radial-gradient(circle at 20% 15%, #16213a 0%, #0a0e17 55%),
              linear-gradient(180deg, #0a0e17 0%, #0d1320 100%);
}

#hawk-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
  display: block;
}

.site-content {
  position: relative;
  z-index: 10;
}

/* ---- Nav ---- */

nav {
  position: sticky;
  top: 0;
  width: 100%;
  box-sizing: border-box;
  z-index: 50;
  padding: 26px 0;
  background: rgba(10, 14, 23, 0.35);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition: padding 250ms ease, background 250ms ease, box-shadow 250ms ease, backdrop-filter 250ms ease;
}

nav.nav-scrolled {
  padding: 12px 0;
  background: rgba(10, 14, 23, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

@media (prefers-reduced-motion: reduce) {
  nav {
    transition: none;
  }
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--silver);
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: font-size 250ms ease;
}

.logo span {
  color: var(--blue-bright);
}

nav.nav-scrolled .logo {
  font-size: 1.2rem;
}

.nav-link {
  display: inline-block;
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--blue-bright), var(--blue-accent));
  font-weight: 600;
  font-size: 0.95rem;
  padding: 11px 24px;
  border-radius: 8px;
  text-decoration: none;
  transition: padding 250ms ease, font-size 250ms ease, transform 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 4px 14px rgba(91, 141, 239, 0.25);
}

.nav-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(91, 141, 239, 0.4);
}

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

nav.nav-scrolled .nav-link {
  padding: 8px 18px;
  font-size: 0.88rem;
}

/* ---- Hero ---- */

.hero {
  position: relative;
  z-index: 2;
  padding-top: 12vh;
  padding-bottom: 10vh;
  padding-left: 24px;
  padding-right: 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--silver);
  max-width: 900px;
}

.hero h1 .line-accent {
  color: var(--blue-bright);
}

.hero p {
  margin-top: 28px;
  max-width: 680px;
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--silver-muted);
}

/* ---- Cards ---- */

.cards-section {
  position: relative;
  z-index: 2;
  padding: 60px 24px 100px;
  max-width: 1200px;
  margin: 0 auto;
}

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

.card {
  background: linear-gradient(160deg, var(--bg-panel) 0%, var(--bg-panel-2) 100%);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 38px;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
  border-color: rgba(91, 141, 239, 0.4);
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(91, 141, 239, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card .icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--blue-bright);
}

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

.card p {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--silver-muted);
}

/* ---- CTA ---- */

.cta {
  position: relative;
  z-index: 2;
  padding: 90px 24px 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 18px;
}

.signal-status {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: #6fe3a0;
  background: rgba(111, 227, 160, 0.1);
  border: 1px solid rgba(111, 227, 160, 0.3);
  padding: 8px 18px;
  border-radius: 999px;
}

.signal-cta {
  display: inline-block;
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--blue-bright), var(--blue-accent));
  font-weight: 700;
  font-size: 1.15rem;
  padding: 18px 40px;
  border-radius: 10px;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 8px 24px rgba(91, 141, 239, 0.3);
}

.signal-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(91, 141, 239, 0.45);
}

.signal-cta:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 3px;
}

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

/* ---- Footer ---- */
/* Footer markup itself is injected via SSI after </main>, outside the
   site-content stacking context, so it needs its own position/z-index
   here to stay above the fixed background and canvas layers. */

footer {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 26px 24px;
  font-size: 0.85rem;
  color: var(--silver-muted);
  background: rgba(10, 14, 23, 0.4);
  border-top: 1px solid var(--border-soft);
}

footer div {
  margin: 4px 0;
}

@media (max-width: 480px) {
  .nav-inner {
    padding: 0 18px;
  }
  .logo {
    font-size: 1.2rem;
  }
  .nav-link {
    padding: 9px 16px;
    font-size: 0.85rem;
  }
  nav.nav-scrolled .logo {
    font-size: 1rem;
  }
  nav.nav-scrolled .nav-link {
    padding: 7px 14px;
    font-size: 0.78rem;
  }
  .hero {
    padding-top: 14vh;
  }
  .hero p {
    font-size: 1rem;
  }
  .cards-section {
    padding: 40px 16px 70px;
  }
  .card {
    padding: 28px;
  }
  .signal-cta {
    width: 100%;
    padding: 16px 0;
    font-size: 1rem;
  }
  .cta {
    padding: 60px 20px 90px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}