/* Teal abstract blur with gray hacker vibes - mobile-first single stylesheet */
:root{
  --bg: #061b1b;
  --teal: #14e0c6;
  --teal-dark: #0aa29a;
  --gray: #d6dde6;
  --text: #eaf7fb;
  --glass: rgba(255,255,255,.08);
  --glass-border: rgba(255,255,255,.25);
  --cta-start: #0a9a8f;
  --cta-end: #14e0ff;
  --shadow: 0 8px 26px rgba(0,0,0,.35);
}
*,
*::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);
  /* Teal abstract blur background hints */
  background-image:
    radial-gradient(circle at 15% 20%, rgba(20, 224, 198, .25), transparent 25%),
    radial-gradient(circle at 85% 60%, rgba(0, 255, 255, .25), transparent 25%),
    linear-gradient(135deg, rgba(0,0,0,.15), rgba(0,0,0,.01));
  background-size: cover;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a{ color:inherit; text-decoration:none; }

body::before{
  /* subtle teal glow clouds for hacker vibe */
  content:"";
  position: fixed;
  inset: -20vmax;
  background: radial-gradient( circle at 20% 20%, rgba(20, 224, 198,.25), transparent 40% ),
              radial-gradient( circle at 80% 70%, rgba(0, 255, 255,.25), transparent 40% );
  filter: blur(40px);
  z-index: -1;
  pointer-events: none;
}

.site-header{
  position: sticky; top:0; z-index: 30;
  padding: .75rem 1rem;
  display:flex; justify-content:center;
  background: rgba(2, 12, 20, .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:#eaf7fb;
  text-shadow:0 1px 2px rgba(0,0,0,.25);
}

/* Hero: grid-based, mobile-first; image prominent center piece */
.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 28px 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;
  letter-spacing:.4px;
}
.hero-content .subhead{
  font-size: clamp(1rem, 2vw + .6rem, 1.5rem);
  color: rgba(234,246,255,.92);
  margin:0 0 1.25rem;
}
.cta{
  display:inline-block;
  padding:.95rem 1.25rem;
  font-weight:800;
  font-size:1.05rem;
  color:#04131d;
  background: linear-gradient(135deg, var(--cta-start), var(--cta-end));
  border-radius:999px;
  border:0;
  text-decoration:none;
  box-shadow:0 8px 22px rgba(20, 224, 255, .6);
  transition: transform .15s ease, box-shadow .15s ease;
}
.cta:hover{ transform: translateY(-1px);
  box-shadow:0 12px 28px rgba(20, 224, 255, .75); }
.cta:focus-visible{ outline:3px solid #fff; outline-offset:2px; }

/* Larger screens: emphasize image as centerpiece with side-by-side layout */
@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 styling */
.site-footer{
  padding:1.75rem 1rem;
  text-align:center;
  color:#e7f1f8;
  font-size:.95rem;
  border-top:1px solid rgba(255,255,255,.15);
  background: rgba(6, 14, 28, .25);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.advert{ display:inline-block; margin-bottom:.5rem; }
.advert a{
  color:#c8eaff; 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; }
}