/**
 * Glowing Circle Buttons
 * Circular buttons with pulsating glow effect
 * Version: 1.0
 * Last Modified: August 26, 2025
 */

/* Base circular button style */
.circle-btn {
    position: relative;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    margin: 0 10px;
    text-decoration: none;
    color: #fff;
    font-size: 1.5rem;
    z-index: 10;
}

/* Glow effect */
.circle-btn:before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 50%;
    background: var(--circle-glow-color, #fff);
    z-index: -2;
    opacity: 0.2;
    animation: pulse 2s ease-in-out infinite;
    box-shadow:
        0 0 5px var(--circle-glow-color, #fff),
        0 0 15px var(--circle-glow-color, #fff),
        0 0 30px var(--circle-glow-color, #fff);
}

/* Inner shadow for depth */
.circle-btn:after {
    content: '';
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    background: linear-gradient(135deg,
        rgba(255,255,255,0.1) 0%,
        rgba(0,0,0,0.1) 100%);
    z-index: -1;
}

/* Hover effect */
.circle-btn:hover {
    transform: scale(1.1);
    box-shadow:
        0 0 10px var(--circle-glow-color, #fff),
        0 0 20px var(--circle-glow-color, #fff);
    color: #fff;
}

.circle-btn:hover:before {
    animation: pulse 1s ease-in-out infinite;
    opacity: 0.5;
}

/* Icon style */
.circle-btn i {
    font-size: 1.2rem;
    z-index: 2;
}

/* Specific social media colors */
.circle-btn.github-btn {
    --circle-glow-color: #6e5494;
}

.circle-btn.linkedin-btn {
    --circle-glow-color: #0077b5;
}

.circle-btn.youtube-btn {
    --circle-glow-color: #ff0000;
}

.circle-btn.instagram-btn {
    --circle-glow-color: #e4405f;
}

.circle-btn.award-btn {
    --circle-glow-color: #ffc107;
}

/* Pulse animation for glow effect */
@keyframes pulse {
    0% {
        opacity: 0.2;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.05);
    }
    100% {
        opacity: 0.2;
        transform: scale(1);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-social {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .circle-btn {
        width: 45px;
        height: 45px;
        margin: 5px;
    }
}

@media (max-width: 480px) {
    .circle-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .circle-btn i {
        font-size: 1rem;
    }
}