/* ==========================================================================
   GRADIENT LIBRARY
   ========================================================================== */

/* Brand Gradients */
.gradient-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
}

.gradient-secondary {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, #1a365d 100%);
}

.gradient-dark {
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 100%);
}

.gradient-light {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* Glass Gradients */
.gradient-glass {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0.025) 100%
    );
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.gradient-glass-dark {
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.2) 0%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.05) 100%
    );
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Text Gradients */
.text-gradient-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-light {
    background: linear-gradient(135deg, #ffffff 0%, #d9d9d9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-dark {
    background: linear-gradient(135deg, #1a1a2e 0%, #4a4a6a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Border Gradients */
.border-gradient-primary {
    position: relative;
    border-radius: 12px;
    padding: 2px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.border-gradient-primary > * {
    background: var(--card-bg);
    border-radius: 10px;
}

.border-gradient-light {
    position: relative;
    border-radius: 12px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
}

.border-gradient-light > * {
    background: var(--card-bg);
    border-radius: 10px;
}

/* Animated Gradients */
.gradient-animated {
    background: linear-gradient(-45deg, 
        var(--accent-primary), 
        var(--accent-secondary), 
        #3c6e71, 
        #284b63
    );
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Radial Gradients */
.gradient-radial-primary {
    background: radial-gradient(
        circle at center,
        var(--accent-primary) 0%,
        transparent 70%
    );
}

.gradient-radial-secondary {
    background: radial-gradient(
        circle at center,
        var(--accent-secondary) 0%,
        transparent 70%
    );
}

.gradient-radial-glow {
    background: radial-gradient(
        circle at center,
        rgba(60, 110, 113, 0.3) 0%,
        rgba(40, 75, 99, 0.1) 50%,
        transparent 100%
    );
}

/* Overlay Gradients */
.overlay-gradient-dark {
    position: relative;
}

.overlay-gradient-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(10, 10, 15, 0.7) 50%,
        rgba(10, 10, 15, 0.9) 100%
    );
    pointer-events: none;
}

.overlay-gradient-light {
    position: relative;
}

.overlay-gradient-light::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(255, 255, 255, 0.7) 50%,
        rgba(255, 255, 255, 0.9) 100%
    );
    pointer-events: none;
}

/* Button Gradients */
.btn-gradient-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    position: relative;
    overflow: hidden;
    border: none;
}

.btn-gradient-primary:hover {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
}

.btn-gradient-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.btn-gradient-primary:hover::before {
    left: 100%;
}

.btn-gradient-secondary {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.btn-gradient-secondary:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
}

/* Card Gradients */
.card-gradient {
    background: linear-gradient(
        135deg,
        var(--card-bg) 0%,
        rgba(25, 25, 40, 0.8) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-gradient-hover:hover {
    background: linear-gradient(
        135deg,
        rgba(60, 110, 113, 0.1) 0%,
        rgba(40, 75, 99, 0.05) 100%
    );
}

/* Section Gradients */
.section-gradient-dark {
    background: linear-gradient(
        135deg,
        var(--primary-bg) 0%,
        var(--secondary-bg) 100%
    );
}

.section-gradient-light {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.05) 0%,
        rgba(255, 255, 255, 0.02) 100%
    );
}

/* Hero Gradients */
.hero-gradient {
    background: linear-gradient(
        135deg,
        rgba(10, 10, 15, 0.9) 0%,
        rgba(10, 10, 15, 0.7) 50%,
        transparent 100%
    );
}

.hero-gradient-light {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.9) 0%,
        rgba(255, 255, 255, 0.7) 50%,
        transparent 100%
    );
}

/* Noise Texture Overlay */
.noise-overlay {
    position: relative;
}

.noise-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' 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)' opacity='0.1'/%3E%3C/svg%3E");
    opacity: 0.05;
    pointer-events: none;
    mix-blend-mode: overlay;
}

/* Gradient Borders */
.gradient-border {
    position: relative;
    border-radius: 12px;
    padding: 2px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-primary));
    background-size: 200% 200%;
    animation: borderRotate 3s linear infinite;
}

@keyframes borderRotate {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.gradient-border-inner {
    background: var(--card-bg);
    border-radius: 10px;
    padding: var(--space-md);
}

/* Utility Classes */
.has-gradient-bg {
    background: var(--gradient-primary);
}

.has-gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.has-gradient-border {
    border: 2px solid transparent;
    background: linear-gradient(var(--card-bg), var(--card-bg)) padding-box,
                var(--gradient-primary) border-box;
}

/* Responsive Gradients */
@media (max-width: 768px) {
    .gradient-animated {
        animation: gradientShift 20s ease infinite;
    }
}