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/*# sourceMappingURL=custom.css.map */

.gradient-background {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

/* ====== SPHERES ====== */
.gradient-sphere {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  will-change: transform;
}

.sphere-1 {
  width: 40vw;
  height: 40vw;
  background: linear-gradient(180deg, rgba(0, 255, 222, 0.7), rgba(0, 170, 255, 0.4));
  top: -10%;
  left: -10%;
  animation: float-1 15s ease-in-out infinite alternate;
}

.sphere-2 {
  width: 45vw;
  height: 45vw;
  background: linear-gradient(160deg, rgba(144, 238, 144, 0.6), rgba(0, 191, 255, 0.3));
  bottom: -20%;
  right: -10%;
  animation: float-2 18s ease-in-out infinite alternate;
}

.sphere-3 {
  width: 30vw;
  height: 30vw;
  background: linear-gradient(120deg, rgba(133, 89, 255, 0.5), rgba(98, 216, 249, 0.3));
  top: 60%;
  left: 20%;
  animation: float-3 20s ease-in-out infinite alternate;
}

/* ====== ANIMATIONS ====== */
@keyframes float-1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10%, 10%) scale(1.1); }
}

@keyframes float-2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-10%, -5%) scale(1.15); }
}

@keyframes float-3 {
    0% { transform: translate(0, 0) scale(1); opacity: 0.3; }
    100% { transform: translate(-5%, 10%) scale(1.05); opacity: 0.6; }
}

/* ====== GRID OVERLAY ====== */
.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 40px 40px;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    z-index: 2;
    
}

/* ====== GLOW ====== */
.glow {
    position: absolute;
    width: 40vw;
    height: 40vh;
    background: radial-gradient(circle, rgba(72, 0, 255, 0.15), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    animation: pulse 8s infinite alternate;
    filter: blur(30px);
}

@keyframes pulse {
    0% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(0.9);
    }
    100% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* ====== PARTICLES ====== */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: white;
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
}

/* ====== NOISE OVERLAY ====== */
.noise-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.05;
    z-index: 5;
    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='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
} 

/* ====== RESPONSIVE BREAKPOINTS ====== */
@media (max-width: 1024px) {
  .sphere-1 { width: 55vw; height: 55vw; top: -15%; left: -20%; }
  .sphere-2 { width: 55vw; height: 55vw; bottom: -25%; right: -15%; }
  .sphere-3 { width: 40vw; height: 40vw; top: 55%; left: 10%; }
  .glow { width: 50vw; height: 50vh; }
}

@media (max-width: 600px) {
  .sphere-1 { width: 70vw; height: 70vw; top: -20%; left: -30%; }
  .sphere-2 { width: 65vw; height: 65vw; bottom: -30%; right: -20%; }
  .sphere-3 { width: 50vw; height: 50vw; top: 60%; left: 5%; }
  .glow { width: 60vw; height: 60vh; }
  .grid-overlay { background-size: 30px 30px; }
}