/* ===================================
   HIGH-IMPACT INTERACTIONS (PHASE 3)
   =================================== */

/* 1. BUTTON SHINE EFFECT */
.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(to right,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.3) 50%,
            rgba(255, 255, 255, 0) 100%);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }

    20% {
        transform: translateX(100%) rotate(45deg);
    }

    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

/* 2. BUTTON PULSE GLOW */
.btn-pulse {
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(59, 130, 246, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
    }
}

/* 3. MAGNETIC BUTTON (HOVER) */
.btn-magnetic {
    transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-magnetic:hover {
    transform: scale(1.05) translateY(-3px);
}

/* 4. SCROLL INDICATOR */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0.7;
    animation: float-scroll 2s infinite ease-in-out;
}

.scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 1.5s infinite;
}

@keyframes scroll-wheel {
    0% {
        top: 6px;
        opacity: 1;
    }

    100% {
        top: 20px;
        opacity: 0;
    }
}

@keyframes float-scroll {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(10px);
    }
}