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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--hud-bg);
  color: var(--hud-text);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body:not(.has-maint) { padding-top: var(--hud-nav-h); }
body.has-maint { padding-top: calc(var(--hud-nav-h) + 38px); }

a { color: var(--hud-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: #ff6b6b; }
img { max-width: 100%; display: block; }

.hud-bg-layers {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hud-grid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hud-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, transparent 40%, rgba(0,0,0,0.55) 100%);
}

.hud-scanlines {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.08) 2px,
    rgba(255,255,255,0.08) 4px
  );
}

main, header, footer { position: relative; z-index: 1; }

.container {
  width: 100%;
  max-width: var(--hud-max);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); line-height: 1.05; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.125rem; }

.mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--hud-primary);
}

.mono-label::before { content: '// '; opacity: 0.7; }

.section { padding: 72px 0; }
.section-head { margin-bottom: 32px; }
.section-head h2 { margin-bottom: 8px; }
.section-head p { color: var(--hud-muted); max-width: 520px; font-size: 15px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--hud-ease), transform 0.7s var(--hud-ease);
}
.reveal.on { opacity: 1; transform: none; }
.d1 { transition-delay: 0.1s; }
.d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hud-scanlines { display: none; }
}