@property --gradient-angle { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
@property --gradient-angle-offset { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
@property --gradient-percent { syntax: "<percentage>"; initial-value: 20%; inherits: false; }
@property --gradient-shine { syntax: "<color>"; initial-value: #6366f1; inherits: false; }

@keyframes fadeSlideIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
        filter: blur(8px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0px);
    }
}

.shiny-cta {
    --gradient-angle: 0deg;
    --gradient-angle-offset: 0deg;
    --gradient-percent: 20%;
    --gradient-shine: #6366f1;
    --shadow-size: 2px;
    position: relative;
    overflow: hidden;
    border-radius: 9999px;
    padding: 0.875rem 1.25rem;
    font-size: 0.9375rem;
    line-height: 1.2;
    font-weight: 600;
    color: #ffffff;
    background:
    linear-gradient(#0b0b0b, #0b0b0b) padding-box,
    conic-gradient(
    from calc(var(--gradient-angle) - var(--gradient-angle-offset)),
    transparent 0%,
    #1d4ed8 5%,
    var(--gradient-shine) 15%,
    #1d4ed8 30%,
    transparent 40%,
    transparent 100%
    ) border-box;
    border: 2px solid transparent;
    box-shadow: inset 0 0 0 1px #171717, 0 8px 24px -8px rgba(0,0,0,0.3);
    outline: none;
    transition:
    --gradient-angle-offset 800ms cubic-bezier(0.25, 1, 0.5, 1),
    --gradient-percent 800ms cubic-bezier(0.25, 1, 0.5, 1),
    --gradient-shine 800ms cubic-bezier(0.25, 1, 0.5, 1),
    box-shadow 0.3s, transform 0.2s;
    cursor: pointer;
    isolation: isolate;
    outline-offset: 4px;
    z-index: 0;
    animation: border-spin 2.5s linear infinite;

}
@keyframes border-spin { to { --gradient-angle: 360deg; } }

.shiny-cta:hover { --gradient-angle-offset: 20deg; box-shadow: inset 0 0 0 1px #171717, 0 12px 40px -12px rgba(29,78,216,0.35); transform: translateY(-1px); }
.shiny-cta:active { transform: translateY(0); }
.shiny-cta::before {
    content: '';
    pointer-events: none;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    --size: calc(100% - 6px);
    --position: 2px;
    --space: 4px;
    width: var(--size);
    height: var(--size);
    background: radial-gradient(circle at var(--position) var(--position), white 0.5px, transparent 0) padding-box;
    background-size: var(--space) var(--space);
    background-repeat: space;
    mask-image: conic-gradient(from calc(var(--gradient-angle) + 45deg), black, transparent 10% 90%, black);
    border-radius: inherit;
    opacity: 0.35;
}
.shiny-cta::after {
content: '';
    pointer-events: none;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    width: 120%;
    aspect-ratio: 1;
    background: linear-gradient(-50deg, transparent, #1d4ed8, transparent);
    mask-image: radial-gradient(circle at bottom, transparent 40%, black);
    opacity: 0.55;
    animation: shimmer 4s linear infinite;
}
.shiny-cta span {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.shiny-cta span::before {
    content: '';
    pointer-events: none;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    --size: calc(100% + 1rem);
    width: var(--size);
    height: var(--size);
    box-shadow: inset 0 -1ex 2rem 4px #1d4ed8;
    opacity: 0;
    border-radius: inherit;
    transition: opacity 800ms cubic-bezier(0.25, 1, 0.5, 1);
    animation: breathe 4.5s linear infinite;
}

.shiny-cta:hover span::before { opacity: 0.35; }

@keyframes shimmer { to { transform: translate(-50%, -50%) rotate(360deg);} }
@keyframes breathe { 0%, 100% { transform: translate(-50%, -50%) scale(1);} 50% { transform: translate(-50%, -50%) scale(1.20);} }

#cta-modal.active {
    display: flex;
}

[data-action="modal"] {
    cursor: pointer;
}