/* ABOUT CONTAINER */
.about-container {
    position: absolute;
    top: 60px; /* height of header */
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* align top initially */
    padding: 20px;
    overflow-y: auto;
    scroll-behavior: smooth;
}

/* ABOUT BOX */
.about {
    max-width: 720px;
    width: 100%;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: clamp(20px, 4vw, 40px);
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    line-height: 1.6;
    letter-spacing: 0.5px;
    text-align: center;
    overflow: hidden;
    color: #fff;
}

.about p {
    margin-bottom: 1.5rem;
}

.about a.btn {
    font-size: 1rem;
    padding: 0.6rem 1.2rem;
}

.custom-btn {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15); /* semi-transparent */
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    padding: 0.8rem 1.6rem;
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    transition: all 0.4s ease;
    backdrop-filter: blur(6px);
    cursor: pointer;
    width: 100%;
    
    /* stronger white glow by default */
    box-shadow: 0 0 10px rgba(255,255,255,0.6),
                0 0 20px rgba(255,255,255,0.4),
                0 0 30px rgba(255,255,255,0.3);
    animation: glow 2.5s infinite alternate;
}

.custom-btn:hover,
.custom-btn:focus {
    background: rgba(255, 255, 255, 0.35);
    color: #ffffff;
    /* intensify glow on hover */
    box-shadow: 0 0 15px rgba(255,255,255,0.8),
                0 0 30px rgba(255,255,255,0.6),
                0 0 45px rgba(255,255,255,0.5);
    transform: translateY(-2px);
    animation: glow 1.8s infinite alternate;
}

.custom-btn:active {
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 0 8px rgba(255,255,255,0.5),
                0 0 16px rgba(255,255,255,0.4);
    transform: translateY(0);
    animation: none;
}

/* Glow animation for subtle pulsating effect */
@keyframes glow {
    0% {
        box-shadow: 0 0 10px rgba(255,255,255,0.6),
                    0 0 20px rgba(255,255,255,0.4),
                    0 0 30px rgba(255,255,255,0.3);
    }
    100% {
        box-shadow: 0 0 14px rgba(255,255,255,0.8),
                    0 0 28px rgba(255,255,255,0.6),
                    0 0 42px rgba(255,255,255,0.5);
    }
}