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

:root {
  --bg: #0a0e18;
  --text: #f2f4f9;
  --text-muted: #a9b2c9;
  --accent-blue: #4f7cff;
  --accent-purple: #c84fff;
  --accent-orange: #ff6b4a;
  --accent-teal: #2fd6c0;
}

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

html {
  overflow-x: hidden;
  width: 100%;
}

body {
  width: 100%;
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  position: relative;
}

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

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

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

.bg-gradient {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: radial-gradient(circle at 20% 20%, rgba(79,124,255,0.18), transparent 55%),
              radial-gradient(circle at 80% 70%, rgba(200,79,255,0.15), transparent 55%),
              var(--bg);
}

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

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

#site-nav {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  box-sizing: border-box;
  padding: 22px 0;
  background: rgba(10, 14, 24, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: padding 250ms ease, background 250ms ease, box-shadow 250ms ease;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

#site-nav.nav-scrolled {
  padding: 12px 0;
  background: rgba(8, 11, 20, 0.9);
  box-shadow: 0 6px 24px rgba(0,0,0,0.35);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: font-size 250ms ease;
}

.logo span {
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), var(--accent-orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

.nav-link {
  display: inline-block;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  transition: padding 250ms ease, transform 180ms ease, box-shadow 180ms ease;
}

#site-nav.nav-scrolled .nav-link {
  padding: 7px 18px;
  font-size: 0.85rem;
}

.nav-link:hover, .nav-link:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(79,124,255,0.35);
  outline: none;
}

/* ---- Content wrapper ---- */

.content-column {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.hero {
  padding-top: 12vh;
  padding-bottom: 10vh;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 920px;
  margin: 0 auto 28px;
  color: var(--text);
}

.gradient-text {
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), var(--accent-orange), var(--accent-blue));
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientShift 6s linear infinite;
  display: inline-block;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

.hero p {
  max-width: 680px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.6;
}

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

.cards-section {
  padding: 6vh 0 10vh;
  position: relative;
  z-index: 2;
}

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

.card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 18px;
  padding: 38px;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.35);
  border-color: rgba(79,124,255,0.4);
}

.card h2 {
  font-size: 1.3rem;
  margin-bottom: 14px;
  color: var(--text);
}

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

/* ---- CTA / signal line ---- */

.cta.signal-line {
  padding: 10vh 0 14vh;
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.signal-status {
  display: block;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  color: var(--accent-teal);
  margin-bottom: 22px;
}

.signal-cta {
  display: inline-block;
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.3rem);
  padding: 18px 44px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), var(--accent-orange));
  color: #fff;
  box-shadow: 0 10px 30px rgba(79,124,255,0.3);
  transition: transform 200ms ease, box-shadow 200ms ease;
  margin-bottom: 20px;
}

.signal-cta:hover, .signal-cta:focus-visible {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 16px 40px rgba(200,79,255,0.4);
  outline: none;
}

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

/* ---- Footer ---- */
/* Footer markup itself is injected via SSI and shouldn't be edited per-domain -
   positioned above the fixed background/canvas layers so it stays legible while scrolling. */

footer {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 28px 24px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

footer div {
  margin: 4px 0;
}

footer a {
  color: var(--text);
  text-decoration: underline;
}

footer a:hover {
  color: var(--accent-blue);
}

@media (max-width: 480px) {
  .nav-inner { padding: 0 16px; }
  .logo { font-size: 1.15rem; }
  .nav-link { padding: 8px 14px; font-size: 0.8rem; }

  #site-nav.nav-scrolled { padding: 10px 0; }
  #site-nav.nav-scrolled .logo { font-size: 1rem; }
  #site-nav.nav-scrolled .nav-link { padding: 6px 12px; font-size: 0.7rem; }

  .hero { padding-top: 14vh; }
  .hero-title { margin-bottom: 18px; }
  .cards-section { padding: 4vh 0 6vh; }
  .card { padding: 28px; }
  .signal-cta { padding: 16px 32px; width: 100%; max-width: 320px; }
}

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