:root {
  --cyan:       #00ffc8;
  --cyan-dim:   rgba(0, 255, 200, 0.45);
  --orange:     #ff8c42;
  --white:      #f0f8ff;
  --glass-bg:   rgba(2, 12, 28, 0.55);
  --glass-border: rgba(0, 255, 200, 0.22);
  --glass-blur: 14px;
  --font-display: 'Orbitron', sans-serif;
  --font-mono:    'Share Tech Mono', monospace;
}


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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden; /* single-screen, no scroll */
}

body {
  font-family: var(--font-mono);
  color: var(--white);
  background: #000;
}

a {
  color: var(--cyan-dim);
  text-decoration: none;
}
a:hover { color: var(--cyan); }


.bg {
  position: fixed;
  inset: 0;
  background: url('earth.png') center center / cover no-repeat;
  /* slight dark vignette so text pops */
  filter: brightness(0.88);
  z-index: 0;
}

/* Gradient overlay: space at top, opaque-ish at bottom */
.bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.72) 0%,     /* deep space at top */
    rgba(0, 0, 0, 0.10) 42%,    /* transparent over Earth */
    rgba(0, 0, 0, 0.35) 100%    /* subtle darkening at bottom */
  );
}


.orbit-svg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  /* covers roughly the top third where space is visible */
  height: 38vh;
  z-index: 1;
  pointer-events: none;
}


.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  text-align: center;
  padding: 28px 24px 0;
  pointer-events: none;
}

.header-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.38em;
  color: var(--cyan-dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.site-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.5vw, 54px);
  letter-spacing: 0.12em;
  color: var(--white);
  text-shadow:
    0 0 30px rgba(0, 255, 200, 0.5),
    0 0 80px rgba(0, 255, 200, 0.2),
    0 2px 4px rgba(0,0,0,0.8);
  line-height: 1.1;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan-dim);
  pointer-events: all;
}

.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1;   transform: scale(1);   }
  50%       { opacity: 0.35; transform: scale(0.75); }
}


.error-banner {
  display: none;
  position: fixed;
  top: 130px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(200, 40, 40, 0.75);
  border: 1px solid rgba(255,80,80,0.5);
  border-radius: 4px;
  padding: 8px 18px;
  font-size: 12px;
  letter-spacing: 0.1em;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.cards-area {
  position: fixed;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  width: min(960px, 94vw);
  z-index: 3;

  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 14px;
}


.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  padding: 18px 20px 16px;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.25s;
}

.card:hover {
  border-color: var(--cyan-dim);
  transform: translateY(-2px);
}

/* Glowing top edge */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
}

/* Wide card spans 2 columns */
.card-wide {
  grid-column: span 2;
}

.card-icon {
  font-size: 13px;
  color: var(--cyan-dim);
  margin-bottom: 6px;
}

.card-label {
  font-size: 10px;
  letter-spacing: 0.28em;
  color: rgba(200, 240, 230, 0.55);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.card-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2.2vw, 24px);
  color: var(--white);
  line-height: 1.1;
  transition: color 0.25s, text-shadow 0.25s;
}

.card-value--location {
  font-size: clamp(13px, 1.6vw, 18px);
  font-weight: 400;
}

/* Flash cyan when value updates */
.card-value.flash {
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(0,255,200,0.55);
}

.card-unit {
  margin-top: 6px;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.28);
}


.site-footer {
  position: fixed;
  bottom: 14px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.22);
  z-index: 3;
}


@media (max-width: 640px) {
  .cards-area {
    grid-template-columns: repeat(2, 1fr);
    bottom: 30px;
  }
  .card-wide {
    grid-column: span 2;
  }
  .site-title {
    font-size: 24px;
  }
}