/* lime circuit-board background with blue hacker vibe and frosted glass panels */
:root {
  --lime: #7dff6b;
  --lime-dark: #46d14f;
  --blue: #1e90ff;
  --blue-dark: #0f63d3;
  --cyan: #00e5ff;
  --text: #0b0f12;
  --muted: #4b7bd6;
  --glass: rgba(255, 255, 255, 0.92);
  --radius: 14px;
  --shadow: 0 10px 28px rgba(0,0,0,.22);
}

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

html, body { height: 100%; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial;
  color: var(--text);
  background: linear-gradient(135deg, #e9ffea 0%, #d0ffd0 60%, #bdfcc0 100%);
  /* lime circuit-board style with soft grid lines */
  background-image:
    linear-gradient(to right, rgba(0, 255, 128, 0.25) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 255, 128, 0.25) 1px, transparent 1px);
  background-size: 22px 22px;
  position: relative;
  isolation: isolate;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 60% 20%, rgba(0, 255, 170, 0.15) 0%, rgba(0,0,0,0) 40%),
    radial-gradient(circle at 20% 80%, rgba(0, 255, 170, 0.08) 0%, rgba(0,0,0,0) 40%);
  mix-blend-mode: screen;
  pointer-events: none;
  animation: glow 12s ease-in-out infinite;
  z-index: 0;
}
@keyframes glow {
  0%,100% { opacity: 0.85; }
  50% { opacity: 1; }
}
a { color: inherit; text-decoration: none; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  padding: 0.8rem 1rem;
  background: rgba(6, 12, 10, 0.85);
  border-bottom: 1px solid rgba(0, 180, 255, 0.25);
  backdrop-filter: blur(6px);
}
.brand {
  font-weight: 900;
  color: #eafff0;
  text-shadow: 0 0 12px rgba(0, 180, 255, 0.9);
  letter-spacing: .4px;
  display: inline-block;
  font-size: 1.05rem;
}

/* Hero grid (mobile-first) */
.hero { padding: 1rem; position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: center;
}
.hero-media { width: 100%; display: flex; justify-content: center; }
.hero-media img {
  width: min(92vw, 720px);
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.15);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .25);
}
.hero-content {
  width: 100%;
  max-width: 640px;
  padding: 1.25rem 1.5rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 180, 255, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--text);
  text-align: left;
  box-shadow: var(--shadow);
}
.hero-content h1 {
  font-size: clamp(1.6rem, 5vw, 2.8rem);
  margin: 0 0 .5rem;
  color: #0b0f18;
}
.subhead {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
  margin: 0 0 1rem;
}
.cta {
  display: inline-block;
  padding: .92rem 1.25rem;
  border-radius: 10px;
  font-weight: 700;
  color: #06101a;
  background: linear-gradient(135deg, #2bd6ff 0%, #1e90ff 100%);
  border: 2px solid rgba(0, 170, 255, 0.95);
  box-shadow: 0 6px 16px rgba(0,0,0,.25);
  font-size: 1.02rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.cta:hover { transform: translateY(-1px); box-shadow: 0 10px 20px rgba(0,0,0,.35); }
.cta:focus-visible { outline: 3px solid #00e5ff; outline-offset: 2px; }

/* Footer */
.site-footer { padding: 1rem; text-align: center; background: rgba(6, 6, 6, 0.85); border-top: 1px solid rgba(0, 180, 255, 0.4); color: var(--text); }
.footer-ad {
  display: inline-block;
  padding: .6rem .9rem;
  margin: 0 .25rem 0.5rem;
  font-size: .95rem;
  color: var(--text);
  background: rgba(0,0,0,.25);
  border-radius: 8px;
  border: 1px solid rgba(0, 180, 255, 0.6);
}
.thank-you { font-size: .95rem; margin-top: .25rem; color: #d6ffd6; }

/* Desktop two-column layout */
@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
    padding: 2rem 4rem;
    align-items: center;
  }
  .subhead { font-size: 1.05rem; }
  .cta { font-size: 1.05rem; padding: 1rem 1.4rem; }
}