/* =============================================
   AIMATIFY LOADER  v3.0
   Floating orbs → logo convergence → fade out
   ============================================= */

/* ── Overlay ──────────────────────────────── */
#aimatify-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #0a0a0f;
  overflow: hidden;
  contain: layout paint style;
  isolation: isolate;
  /* Slide-up exit — translateY(-100%) via .slide-up class */
  will-change: transform;
  transition: transform 0.62s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Slide overlay up off-screen (triggered by JS) */
#aimatify-loader.slide-up {
  transform: translateY(-100%);
  pointer-events: none;
}

/* Reduced-motion fallback still uses opacity fade (applied inline by JS) */

/* ── Particle canvas ──────────────────────── */
#loader-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  /* Promote to own GPU layer so the fade-out transition is compositor-only */
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* ── Hint text ("aimatify.com") ───────────── */
.loader-hint {
  position: absolute;
  bottom: 5.8rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Futura PT', 'Century Gothic', 'Trebuchet MS', system-ui, sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.4em;
  color: rgba(255, 255, 255, 0.16);
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
  user-select: none;
  margin: 0;
}

.loader-hint.visible {
  opacity: 1;
}

/* ── Branded logo — fades in above canvas after particles converge ─────── */
/* Position: absolute, centred on overlay, in front of canvas (z-index 2). */
/* SVG animations (blinking dot) play correctly in front-of-canvas context. */
#loader-logo {
  position: absolute;
  left: 50%;
  bottom: 2.2rem;
  top: auto;
  transform: translateX(-50%);
  width: clamp(80px, 12vw, 110px);
  height: auto;
  opacity: 0;
  transition: opacity 0.5s ease, filter 0.3s ease;
  pointer-events: auto; /* allow click-to-exit */
  user-select: none;
  z-index: 4; /* above canvas + progress ring */
  cursor: pointer;
  filter: drop-shadow(0 0 8px rgba(139,92,246,0.4));
}

/* ── Page content visibility ──────────────── */
/* Hidden until loader exits — JS adds .loader-done to body */
body:not(.loader-done) > #site-header,
body:not(.loader-done) > main,
body:not(.loader-done) > footer {
  opacity: 0;
}

body.loader-done > #site-header,
body.loader-done > main,
body.loader-done > footer {
  opacity: 1;
  transition: opacity 0.5s ease 0.08s;
}

/* Sidebar nav (front page — not a direct body child) */
body:not(.loader-done) .section-nav { opacity: 0; }
body.loader-done       .section-nav { opacity: 1; transition: opacity 0.5s ease 0.08s; }

/* ── No-JS fallback ───────────────────────── */
html.no-js body:not(.loader-done) > #site-header,
html.no-js body:not(.loader-done) > main,
html.no-js body:not(.loader-done) > footer,
html.no-js body:not(.loader-done) .section-nav {
  opacity: 1;
}

/* ── Repeat-visit (sessionStorage hit) ───── */
html.aim-skip-loader body:not(.loader-done) > #site-header,
html.aim-skip-loader body:not(.loader-done) > main,
html.aim-skip-loader body:not(.loader-done) > footer,
html.aim-skip-loader body:not(.loader-done) .section-nav {
  opacity: 1;
}

/* ── prefers-reduced-motion ──────────────── */
@media (prefers-reduced-motion: reduce) {
  #aimatify-loader {
    will-change: auto;
    transition: opacity 0.4s ease;
  }
}

/* ═══════════════════════════════════════════
   TOP NAVIGATION PROGRESS BAR
   Fixed 2px bar · purple→emerald gradient
   Fires on every internal navigation.
   First page load: suppressed (loader covers it).
   ═══════════════════════════════════════════ */
#nav-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 99998; /* just below loader (99999) */
  opacity: 0;
  pointer-events: none;
}

#nav-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(to right, #7C3AED, #10b981);
  border-radius: 0 1px 1px 0;
  will-change: width;
  transform: translateZ(0);
}