/* Blue neon cyberpunk landing page styling (mobile-first) with frosted glass */
:root{
  --bg: #071a2b;
  --blue: #1e90ff;
  --blue-dark: #0b4c9e;
  --glow: rgba(14, 165, 233, .9);
  --text: #e6f0ff;
  --muted: rgba(230,246,255,.92);
  --glass: rgba(255,255,255,.08);
  --glass-border: rgba(255,255,255,.25);
  --cta-start: #0b5bd3;
  --cta-end: #1e90ff;
  --shadow: 0 8px 28px rgba(0,0,0,.45);
}
*, *::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: var(--bg);
  /* Navy-blue neon grid with cyan glow for hacker vibe */
  background-image:
    linear-gradient(135deg, rgba(30,144,255,.20) 25%, transparent 25%),
    linear-gradient(315deg, rgba(30,144,255,.20) 25%, transparent 25%),
    linear-gradient(45deg, rgba(0,0,0,.25) 25%, transparent 25%),
    linear-gradient(225deg, rgba(0,0,0,.25) 25%, transparent 25%);
  background-size: 42px 42px;
  background-position: 0 0, 0 21px, 21px -21px, -21px 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: block;
}
a { color: inherit; text-decoration: none; }

.site-header{
  position: sticky; top: 0; z-index: 30;
  padding: .75rem 1rem;
  display: flex; justify-content: center;
  background: rgba(3, 12, 28, .55);
  border-bottom: 1px solid rgba(255,255,255,.15);
  backdrop-filter: saturate(1.2);
  -webkit-backdrop-filter: saturate(1.2);
}
.container{ width: 100%; max-width: 1100px; padding: 0 1rem; }

.brand{
  display: inline-block;
  padding: .5rem 1rem;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  font-weight: 900;
  letter-spacing: .5px;
  font-size: .95rem;
  color: #eaffff;
  text-shadow: 0 1px 2px rgba(0,0,0,.25);
}

/* Hero layout: grid with image as centerpiece, mobile-first */
.hero{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  justify-items: center;
  padding: 2rem 1rem 4rem;
}
.hero-media img{
  width: min(92vw, 760px);
  height: auto;
  display: block;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.hero-content{
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 16px;
  padding: 1.75rem;
  width: 90%;
  max-width: 700px;
  text-align: left;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}
.hero-content h1{
  font-size: clamp(2rem, 4vw + 1rem, 3.25rem);
  line-height: 1.04;
  margin: 0 0 .75rem;
  font-weight: 900;
}
.hero-content .subhead{
  font-size: clamp(1rem, 2vw + .6rem, 1.5rem);
  color: rgba(226,246,255,.92);
  margin: 0 0 1.25rem;
}
.cta{
  display: inline-block;
  padding: .95rem 1.25rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: #041123;
  background: linear-gradient(135deg, var(--cta-start), var(--cta-end));
  border-radius: 999px;
  border: 0;
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(14, 165, 233, .6);
  transition: transform .15s ease, box-shadow .15s ease;
}
.cta:hover{ transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(14,165,233,.75); }
.cta:focus-visible{ outline: 3px solid #fff; outline-offset: 2px; }

/* Layout adjustment for larger screens: centerpiece emphasis on image with text beside */
@media (min-width: 900px){
  .hero{
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
    padding: 4rem 2rem 6rem;
  }
  .hero-content{ max-width: 640px; }
}

/* Footer: advertisement + closing note */
.site-footer{
  padding: 1.75rem 1rem;
  text-align: center;
  color: #e8f2ff;
  font-size: .95rem;
  border-top: 1px solid rgba(255,255,255,.15);
  background: rgba(6, 14, 40, .28);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.advert{ display:inline-block; margin-bottom:.5rem; }
.advert a{
  color:#d6e9ff; font-weight:700; text-decoration:none;
  padding:.15rem .5rem; border-radius:4px;
  background: rgba(0,0,0,.25);
  border:1px solid rgba(255,255,255,.25);
}
@media (prefers-color-scheme: dark){
  .site-footer{ background: rgba(0,0,0,.25); }
}
@media (max-width:600px){
  .brand{ display:inline-block; }
  .hero{ padding:1.5rem 1rem 3rem; }
  .hero-content{ padding:1.25rem; }
  .hero-content h1{ font-size: clamp(1.8rem, 4vw + 1rem, 2.8rem); }
  .cta{ width:100%; display:inline-block; text-align:center; }
}