/* Vector Graphics Patterns */
.vector-background {
    position: fixed;
    top: var(--banner-height, 60px); /* Start below banner */
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0; /* Place above background but below content */
    opacity: 0.4;
    pointer-events: none; /* Ensure clicks pass through */
    mix-blend-mode: multiply;
    will-change: background-position;
    transition: background-position 0.5s linear;
}

/* Pattern Styles */
.pattern-circles {
    background: radial-gradient(circle at center, rgba(0,0,0,0.4) 250px, transparent 250px) 0 0 / 600px 600px;
    pointer-events: none;
}

.pattern-squares {
    background: linear-gradient(rgba(0,0,0,0.4) 2px, transparent 2px) 0 0 / 40px 40px,
                linear-gradient(90deg, rgba(0,0,0,0.4) 2px, transparent 2px) 0 0 / 40px 40px;
    pointer-events: none;
}

.pattern-triangles {
    background-image: url("data:image/svg+xml,%3Csvg width='360' height='360' viewBox='0 0 360 360' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M90 0l90 156H0z' fill='rgba(0,0,0,0.4)' fill-rule='evenodd'/%3E%3Cpath d='M270 180l90 156H180z' fill='rgba(0,0,0,0.4)' fill-rule='evenodd'/%3E%3C/svg%3E");
    background-size: 360px 360px;
    pointer-events: none;
}

.pattern-diagonal {
    background-image: repeating-linear-gradient(45deg, rgba(0,0,0,0.4) 0 2px, transparent 2px 20px);
    background-size: 100% 20px;
    pointer-events: none;
}

.pattern-diamonds {
    background: repeating-linear-gradient(60deg, rgba(0,0,0,0.4) 0 2px, transparent 2px 20px),
                repeating-linear-gradient(-60deg, rgba(0,0,0,0.4) 0 2px, transparent 2px 20px);
    pointer-events: none;
}

.pattern-dots {
    background: radial-gradient(rgba(0,0,0,0.4) 3px, transparent 3px) 0 0 / 25px 25px;
    pointer-events: none;
}

/* Smooth Animations */
@keyframes smoothPatternMove {
    from { 
        background-position: 0 0; 
    }
    to { 
        background-position: 40px 40px; 
    }
}

@keyframes diagonalUpMove {
    0% { 
        background-position: 0 20px; 
    }
    100% { 
        background-position: 0 0; 
    }
}

@keyframes smoothTriangleMove {
    0% { 
        background-position: 360px -360px; 
    }
    100% { 
        background-position: 0 0; 
    }
}

@keyframes circleSlide {
    0% { 
        background-position: 0 600px; 
    }
    100% { 
        background-position: 600px 0; 
    }
}

@keyframes smoothCircleFloat {
    0% { 
        background-position: 0 0; 
    }
    100% { 
        background-position: 25px 25px; 
    }
}

/* Apply animations with smooth easing */
.animate-pattern {
    animation: smoothPatternMove 8s linear infinite;
}

.pattern-triangles.animate-pattern {
    animation: smoothTriangleMove 12s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
}

.pattern-circles.animate-pattern {
    animation: circleSlide 25s linear infinite;
}

/* Specific pattern optimizations */
.pattern-diagonal.animate-pattern {
    animation: diagonalUpMove 1s linear infinite;
}

.pattern-diamonds.animate-pattern {
    animation: smoothPatternMove 14s linear infinite;
}

.pattern-dots.animate-pattern {
    animation: smoothCircleFloat 12s linear infinite;
}

/* Page Background */
.page-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -2;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    pointer-events: none;
}

/* Main content should be above backgrounds */
.container {
    position: relative;
    z-index: 1;
}