/* violet-cyan hacker style - single stylesheet (mobile-first) */
:root {
  --violet-start: #2b0a4f;
  --violet-end:   #6a0bd1;
  --cyan:  #00e5ff;
  --cyan-dark: #00a6c6;
  --bg: #0a0424;
  --text: #eaffff;
  --muted: #c7f7ff;
  --glass: rgba(10, 0, 40, 0.65);
  --radius: 12px;
}

*,
*::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, var(--violet-start) 0%, var(--violet-end) 60%);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  /* subtle emerald-cyan glow overlays for cyberpunk vibe */
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 255, 200, 0.25) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(0, 255, 255, 0.15) 0%, transparent 40%);
  mix-blend-mode: screen;
  pointer-events: none;
  animation: glow 8s ease-in-out infinite;
  z-index: 0;
}
@keyframes glow {
  0%,100% { opacity: 0.8; }
  50% { opacity: 1; }
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  padding: 0.75rem 1rem;
  background: rgba(12, 0, 60, 0.72);
  border-bottom: 1px solid rgba(0, 255, 255, 0.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.brand {
  font-weight: 900;
  color: #eaffff;
  text-shadow: 0 0 12px rgba(0, 255, 255, 0.9);
  letter-spacing: .4px;
  display: inline-block;
  font-size: 1.05rem;
}

/* Hero section (grid) */
.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, 730px);
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.25);
  box-shadow: 0 20px 40px rgba(0, 255, 255, 0.25);
}

.hero-content {
  width: 100%;
  max-width: 640px;
  padding: 1.25rem 1.5rem;
  border-radius: 14px;
  background: rgba(8, 0, 40, 0.65);
  border: 1px solid rgba(0, 255, 255, 0.5);
  backdrop-filter: blur(6px) saturate(110%);
  -webkit-backdrop-filter: blur(6px) saturate(110%);
  color: var(--text);
  text-align: left;
  box-shadow: 0 12px 32px rgba(0,0,0,.32);
}
.hero-content h1 {
  font-size: clamp(1.6rem, 5vw, 2.8rem);
  margin: 0 0 .5rem;
}
.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: #05291a;
  background: linear-gradient(135deg, #13f0ff 0%, #00e5ff 100%);
  border: 2px solid rgba(0, 210, 210, 0.95);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
  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,.45); }
.cta:focus-visible { outline: 3px solid #00e5ff; outline-offset: 2px; }

/* Footer advertisement */
.site-footer {
  padding: 1rem;
  text-align: center;
  background: rgba(4, 0, 40, 0.75);
  border-top: 1px solid rgba(0, 255, 255, 0.5);
  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, 255, 255, 0.6);
}
.thank-you {
  font-size: .95rem;
  margin-top: .25rem;
  color: #d9fff0;
}

/* Desktop layout: two-column grid */
@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; }
}