:root {
  --bg: #080B12;
  --fg: #ffffff;
  --accent: #00FF88;
  --accent-dim: rgba(0,255,136,0.15);
  --text-muted: rgba(255,255,255,0.5);
  --border: rgba(255,255,255,0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'IBM Plex Sans', sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(0,255,136,0.2); border-radius: 3px; }

::selection { background: rgba(0,255,136,0.2); color: #fff; }

a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }

.section-heading { font-family: 'Oxanium', sans-serif; font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 800; color: #fff; margin: 0 0 1.25rem; line-height: 1.1; }
.section-body { font-family: 'IBM Plex Sans', sans-serif; font-size: 1rem; line-height: 1.7; color: rgba(255,255,255,0.5); margin: 0 0 2rem; max-width: 420px; }

@media (max-width: 480px) {
  html { font-size: 15px; }
  .hero-headline { font-size: 2.5rem; }
  .closing-headline { font-size: 2rem; }
}