/* ============================================================
   NERDIFITRONIX V2 · main.css
   QED Groups Inc. · Advanced Engineering & Special Projects
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&display=swap');

:root {
  /* Brand — dark terminal / engineering aesthetic */
  --black:        #020304;
  --dark:         #080c10;
  --dark-mid:     #0d1117;
  --dark-card:    #111820;
  --dark-border:  #1a2535;
  --green:        #00ff88;
  --green-dim:    #00cc6a;
  --green-glow:   rgba(0,255,136,0.12);
  --cyan:         #00cfff;
  --cyan-dim:     #009acc;
  --cyan-glow:    rgba(0,207,255,0.1);
  --orange:       #ff6b35;
  --purple:       #c77dff;
  --grey:         #3d5168;
  --grey-mid:     #5a7a9a;
  --grey-light:   #8aabcc;
  --cream:        #c8dce8;
  --white:        #e8f4ff;

  /* Semantic */
  --bg:           var(--dark);
  --bg-section:   var(--dark-mid);
  --bg-card:      var(--dark-card);
  --text:         var(--cream);
  --text-muted:   var(--grey-light);
  --accent:       var(--green);
  --accent-2:     var(--cyan);
  --border:       var(--dark-border);
  --border-green: rgba(0,255,136,0.2);
  --border-cyan:  rgba(0,207,255,0.15);

  /* Typography */
  --font-display: 'Orbitron', monospace;
  --font-body:    'Space Grotesk', sans-serif;
  --font-mono:    'Space Mono', monospace;

  /* Layout */
  --section-pad:  clamp(80px, 10vw, 140px);
  --content-max:  1280px;
  --gutter:       clamp(20px, 5vw, 64px);

  /* Motion */
  --ease:         cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --dur:          0.3s;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  cursor: none;
}
body.loading { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button { font-family: var(--font-mono); cursor: none; border: none; background: none; }
input, textarea, select { font-family: var(--font-body); }

/* ── Container ───────────────────────────────────────────── */
.container { width: 100%; max-width: var(--content-max); margin: 0 auto; padding: 0 var(--gutter); }

/* ── Typography ──────────────────────────────────────────── */
.display-1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 120px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.display-2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 72px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.display-3 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 48px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.mono { font-family: var(--font-mono); }

/* Section label */
.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--green);
  flex-shrink: 0;
}
.section-label-cyan { color: var(--cyan) !important; }
.section-label-cyan::before { background: var(--cyan) !important; }

/* ── Loader ──────────────────────────────────────────────── */
#loader {
  position: fixed; inset: 0; background: var(--black); z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 24px;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-wordmark {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 900; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--green);
  animation: loaderPulse 1.4s ease-in-out infinite;
}
.loader-sub {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--grey-mid);
}
.loader-bar { width: 160px; height: 1px; background: var(--dark-border); overflow: hidden; }
.loader-fill { height: 100%; background: var(--green); animation: loaderFill 1.9s var(--ease) forwards; }
.loader-cursor {
  font-family: var(--font-mono); font-size: 14px; color: var(--green);
  animation: blink 0.8s steps(1) infinite;
}
@keyframes loaderPulse { 0%,100%{opacity:.4} 50%{opacity:1} }
@keyframes loaderFill  { from{width:0} to{width:100%} }
@keyframes blink       { 0%,100%{opacity:1} 50%{opacity:0} }

/* ── Utilities ───────────────────────────────────────────── */
.text-green  { color: var(--green); }
.text-cyan   { color: var(--cyan); }
.text-orange { color: var(--orange); }
.text-purple { color: var(--purple); }
.text-muted  { color: var(--grey-light); }
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0; }

/* ── Reveal ──────────────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }
.reveal-delay-5 { transition-delay: .5s; }

.stagger-grid > * {
  opacity: 0; transform: translateY(18px);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
}
.stagger-grid.revealed > *:nth-child(1) { transition-delay:0s }
.stagger-grid.revealed > *:nth-child(2) { transition-delay:.08s }
.stagger-grid.revealed > *:nth-child(3) { transition-delay:.16s }
.stagger-grid.revealed > *:nth-child(4) { transition-delay:.24s }
.stagger-grid.revealed > *:nth-child(5) { transition-delay:.32s }
.stagger-grid.revealed > *:nth-child(6) { transition-delay:.40s }
.stagger-grid.revealed > * { opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion:reduce) { *,*::before,*::after { animation-duration:.01ms!important; transition-duration:.01ms!important; } }