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

:root {
  --deep-blue-950: #050b1c;
  --deep-blue-900: #0a1530;
  --deep-blue-800: #0f1f45;
  --deep-blue-700: #142a5c;
  --deep-blue-600: #1c3a78;
  --green-400: #2fe3a3;
  --green-300: #5df2bb;
  --green-glow: #00ffb2;
  --text-primary: #eef3fb;
  --text-muted: #9fb0cf;
  --card-bg: rgba(20, 35, 70, 0.55);
  --card-border: rgba(95, 230, 180, 0.18);
}

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

html {
  overflow-x: hidden;
}

body {
  width: 100%;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(160deg, var(--deep-blue-950) 0%, var(--deep-blue-900) 45%, var(--deep-blue-800) 100%);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
}

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

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

button, a {
  cursor: pointer;
}

/* Background animation canvas */
#bgCanvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* NAV */
nav.site-nav {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  box-sizing: border-box;
  padding: 26px 0;
  background: rgba(5, 11, 28, 0.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: padding 250ms ease, background 250ms ease, box-shadow 250ms ease;
}

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

nav.site-nav.nav-scrolled {
  padding: 14px 0;
  background: rgba(5, 11, 28, 0.85);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  transition: font-size 250ms ease;
  display: flex;
  align-items: baseline;
}

.logo .exo-part {
  color: var(--text-primary);
}

.logo .curve-part {
  color: var(--green-400);
}

nav.site-nav.nav-scrolled .logo {
  font-size: 1.25rem;
}

.nav-link {
  display: inline-block;
  padding: 11px 24px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--green-400), var(--green-300));
  color: var(--deep-blue-950);
  font-weight: 600;
  font-size: 0.95rem;
  transition: padding 250ms ease, font-size 250ms ease, transform 180ms ease, box-shadow 180ms ease;
}

nav.site-nav.nav-scrolled .nav-link {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.nav-link:hover, .nav-link:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(47, 227, 163, 0.35);
}

.nav-link:focus-visible {
  outline: 2px solid var(--green-300);
  outline-offset: 3px;
}

/* HERO */
.hero {
  position: relative;
  z-index: 2;
  padding-top: 13vh;
  padding-bottom: 8vh;
  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);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero h1 .line-exo {
  display: block;
  color: var(--text-primary);
}

.hero h1 .line-curve {
  display: block;
  background: linear-gradient(100deg, var(--green-400), var(--green-300) 60%, var(--text-primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

/* CARDS */
.cards-section {
  position: relative;
  z-index: 2;
  padding: 6vh 24px 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(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 38px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(0, 255, 178, 0.12);
  border-color: rgba(95, 230, 180, 0.4);
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--green-300);
  margin-bottom: 14px;
}

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

/* CTA */
.cta-section {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 8vh 24px 14vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-section p {
  margin: 0 0 20px;
}

.signal-status {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--green-400);
  font-weight: 600;
}

.signal-cta {
  display: inline-block;
  padding: 18px 44px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--green-400), var(--green-300));
  color: var(--deep-blue-950);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  margin: 0 0 20px;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.signal-cta:hover, .signal-cta:focus-visible {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(47, 227, 163, 0.4);
}

.signal-cta:focus-visible {
  outline: 2px solid var(--green-300);
  outline-offset: 3px;
}

.signal-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* FOOTER */
/* Footer markup itself is injected via SSI and shouldn't be edited per-domain -
   contrast and spacing live here instead. */

footer {
  position: relative;
  z-index: 2;
  background: rgba(5, 11, 28, 0.9);
  color: var(--text-muted);
  text-align: center;
  padding: 24px;
  font-size: 0.85rem;
}

footer a {
  color: var(--green-300);
}

footer div {
  margin: 4px 0;
}

@media (max-width: 480px) {
  nav.site-nav .nav-inner {
    padding: 0 18px;
  }

  .logo {
    font-size: 1.15rem;
  }

  .nav-link {
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  nav.site-nav.nav-scrolled {
    padding: 10px 0;
  }

  nav.site-nav.nav-scrolled .logo {
    font-size: 1rem;
  }

  nav.site-nav.nav-scrolled .nav-link {
    padding: 6px 12px;
    font-size: 0.72rem;
  }

  .hero {
    padding-top: 10vh;
  }

  .hero p {
    font-size: 1rem;
  }

  .cards-section {
    padding: 4vh 16px 8vh;
  }

  .card {
    padding: 28px;
  }

  .signal-cta {
    padding: 16px 32px;
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}