/* ==========================================================================
   ATMOSPHERIC EFFECTS & APPLE MINIMALIST LIGHTING
   ========================================================================== */

/* 1. Ultra-subtle Apple Studio Micro-Grain (Invisible yet tactile) */
.global-grain {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 999;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  mix-blend-mode: overlay;
}

/* 2. Apple Ambient Radial Lighting Orbs */
.ambient-glow {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(100px);
  z-index: 0;
}
.ambient-glow--hero {
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: min(800px, 90vw);
  height: 400px;
  background: radial-gradient(circle, rgba(28, 100, 242, 0.18) 0%, rgba(10, 25, 47, 0) 70%);
}
.ambient-glow--spotlight {
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(900px, 95vw);
  height: 500px;
  background: radial-gradient(circle, rgba(28, 100, 242, 0.12) 0%, rgba(10, 25, 47, 0) 70%);
}

/* 3. Hairline Dividers (Replacing torn paper with sleek Apple lines) */
.hairline-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg, 
    transparent 0%, 
    rgba(226, 236, 255, 0.12) 30%, 
    rgba(28, 100, 242, 0.25) 50%, 
    rgba(226, 236, 255, 0.12) 70%, 
    transparent 100%
  );
  position: relative;
  z-index: 2;
}

/* 4. Typographic Contrast: Apple Editorial Serif */
.editorial-serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--color-ice-blue);
  display: inline-block;
  padding: 0 0.15em;
}

/* 5. Apple Gradient Text */
.text-gradient-apple {
  background: linear-gradient(180deg, #ffffff 40%, rgba(226, 236, 255, 0.65) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-blue {
  background: linear-gradient(135deg, #ffffff 20%, var(--color-blue-electric) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 6. Apple Glass Card */
.glass-card {
  background: var(--glass-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  transition: all var(--duration-norm) var(--ease-apple);
}
.glass-card:hover {
  border-color: rgba(28, 100, 242, 0.35);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(28, 100, 242, 0.15);
  transform: translateY(-4px);
}