/* ════════════════════════════════════════
   EFFECTS.CSS — Background, Cursor, Particles
   ════════════════════════════════════════ */

/* SCANLINES OVERLAY */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent, transparent 2px,
        rgba(0, 245, 255, 0.015) 2px,
        rgba(0, 245, 255, 0.015) 4px
    );
    pointer-events: none;
    z-index: 1000;
}

/* GRID BG */
body::after {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(0, 245, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 245, 255, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

/* CUSTOM CURSOR */
.cursor {
    position: fixed;
    width: 14px; height: 14px;
    background: var(--neon-cyan);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s;
    box-shadow: var(--glow-cyan);
    mix-blend-mode: screen;
}

.cursor-ring {
    position: fixed;
    width: 36px; height: 36px;
    border: 2px solid var(--neon-cyan);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: all 0.15s ease;
    opacity: 0.5;
}

/* PARTICLES */
.particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px; height: 2px;
    background: var(--neon-cyan);
    border-radius: 50%;
    animation: float linear infinite;
    opacity: 0;
}

/* ANIMATIONS */
@keyframes float {
    0%   { transform: translateY(100vh) translateX(0);  opacity: 0; }
    10%  { opacity: 0.6; }
    90%  { opacity: 0.6; }
    100% { transform: translateY(-10px) translateX(30px); opacity: 0; }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

@keyframes fadeSlideDown {
    from { opacity: 0; transform: translateY(-15px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInCard {
    from { opacity: 0; transform: translateX(-20px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes glitch {
    0%, 94%, 100% { clip-path: none; transform: none; }
    95% { clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%); transform: translate(-3px, 0); filter: hue-rotate(90deg); }
    96% { clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%); transform: translate(3px, 0); }
    97% { clip-path: none; transform: none; filter: none; }
}

@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 8px var(--neon-green); }
    50%       { box-shadow: 0 0 20px var(--neon-green), 0 0 40px #39ff1466; }
}

@keyframes popIn {
    from { transform: scale(0.7) translateY(20px); opacity: 0; }
    to   { transform: scale(1) translateY(0);      opacity: 1; }
}