/* Global reset and theme */
*,
*::before,
*::after { box-sizing: border-box; }
:root {
  --bg: #000;
  --fg: #e6e6e6;
  --muted: #c9c9c9;
  --accent: #ff1744;
  --accent-soft: rgba(255,23,68,0.9);
  --glass: rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.25);
  --shadow: 0 6px 20px rgba(0,0,0,.7);
}
html, body { height: 100%; }
html { color-scheme: dark; }
body {
  margin: 0;
  background: #000;
  color: var(--fg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system;
  line-height: 1.5;
  /* subtle cyber grid for depth (no icons) */
  background-image: radial-gradient(circle at 20px 20px, rgba(255,0,0,.08) 2px, transparent 2px),
                    radial-gradient(circle at 60px 60px, rgba(255,0,0,.08) 2px, transparent 2px),
                    none;
  background-size: 80px 80px, 80px 80px;
  background-position: 0 0, 40px 40px;
  overflow-x: hidden;
}
a { color: #ff5a5a; text-decoration: none; }
a:hover { text-decoration: underline; }

/* layout helpers */
.container { width: min(92%, 1200px); margin: 0 auto; }

/* header (frosted glass, hacker-night) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  background: rgba(0, 0, 0, 0.6);
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: .75rem 0; }
.brand { font-weight: 800; color: #fff; text-shadow: 0 0 12px rgba(255,0,0,.9); letter-spacing: .5px; }

/* hero section (two-column grid on wide, stacked on mobile) */
.hero { padding: 4rem 0; display: grid; gap: 2rem; align-items: center; }
.grid-two { grid-template-columns: 1fr; }
@media (min-width: 860px) {
  .grid-two { grid-template-columns: 1.05fr 0.95fr; }
}
.hero-copy h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  margin: 0 0 .75rem 0;
  color: #fff;
  text-shadow: 0 0 12px rgba(255,0,0,.95);
}
.subhead { color: #ddd; max-width: 60ch; margin-bottom: 1rem; opacity: .95; }
.cta {
  display: inline-block;
  padding: 0.92rem 1.4rem;
  border-radius: 999px;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(255,0,0,.95) 0%, rgba(255,77,68,.95) 60%, rgba(255,0,0,.95) 100%);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 6px 22px rgba(255,0,0,.6), inset 0 0 8px rgba(255,255,255,.15);
  transition: transform .2s ease, box-shadow .2s ease;
  outline: none;
}
.cta:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(255,0,0,.8); }
.cta:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }

/* hero media */
.hero-media img {
  width: 100%; height: auto; max-width: 560px;
  display: block;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 8px 28px rgba(0,0,0,.8);
  background: #111;
}

/* sections */
.section { padding: 2.5rem 0; }

/* features */
.features { padding: 2.5rem 0; }
.features h2 { font-size: clamp(1.25rem, 3vw, 1.75rem); color: #fff; margin-bottom: .75rem; }
.features-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.feature {
  padding: 1rem;
  border-radius: 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.feature h3 { margin: 0 0 .5rem 0; font-size: 1.05rem; color: #fff; }
.feature p { margin: 0; color: #ddd; }

/* testimonials */
.testimonials { padding: 2rem 0; }
.testimonials h2 { font-size: clamp(1.15rem, 3vw, 1.6rem); color: #fff; margin-bottom: .75rem; }
.testimonials-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
blockquote.testimonial {
  margin: 0; padding: .9rem 1rem;
  background: rgba(255,255,255,.08);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  color: #e9e9e9;
}
blockquote.testimonial footer { color: #bbb; font-size: .9rem; margin-top: .25rem; }

/* ad/footer content */
.site-footer { padding: 1.5rem 0 2rem; }
.ad { text-align: center; padding: 1rem; border-radius: 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.22);
  margin: 0 auto; width: min(680px, 90%); }
.ad-link {
  display: inline-block;
  font-weight: 700;
  color: #fff;
  padding: .5rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255,0,0,.95), rgba(255,0,0,.75));
}
.ad-link:hover { filter: brightness(1.05); }

/* accessibility and visuals tweaks for light/dark modes if user toggles (fallback) */
@media (prefers-color-scheme: light) {
  :root { --fg: #111; --muted: #555; }
  body { background: #f8f8f8; color: #111; }
  .feature { background: rgba(0,0,0,.05); border: 1px solid rgba(0,0,0,.15); }
  .ad { background: rgba(255,255,255,.95); color: #111; border: 1px solid #ddd; }
  .cta { color: #fff; }
}
@media (min-width: 860px) {
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(3, 1fr); }
}