/* ==========================================================================
   ANIMATIONS & MICRO-INTERACTIONS
   Muhammad Saad Qasim - Portfolio 2026
   ========================================================================== */

/* Shimmer Effect on Featured Badges */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.shimmer-badge {
    background: linear-gradient(90deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0.05) 100%);
    background-size: 200% 100%;
    animation: shimmer 3s infinite;
}

/* Glow Border Animation */
@keyframes border-glow-pulse {
    0%, 100% {
        border-color: rgba(99, 102, 241, 0.2);
        box-shadow: 0 0 15px rgba(99, 102, 241, 0.1);
    }
    50% {
        border-color: rgba(6, 182, 212, 0.5);
        box-shadow: 0 0 25px rgba(6, 182, 212, 0.3);
    }
}

.animate-glow-border {
    animation: border-glow-pulse 4s ease-in-out infinite;
}

/* Gradient Background Shift */
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animated-gradient-text {
    background: linear-gradient(270deg, var(--primary), var(--secondary), #a855f7, var(--primary));
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 8s ease infinite;
}

/* Tech Marquee Scroller (Infinite Loop) */
.marquee-container {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    padding: 1.5rem 0;
}

.marquee-container::before,
.marquee-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.marquee-container::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-main) 0%, transparent 100%);
}

.marquee-container::after {
    right: 0;
    background: linear-gradient(270deg, var(--bg-main) 0%, transparent 100%);
}

.marquee-track {
    display: inline-flex;
    gap: 2.5rem;
    animation: marquee-scroll 30s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused;
}

@keyframes marquee-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.marquee-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
}

.marquee-item i {
    font-size: 1.35rem;
}

/* Scroll Reveal Observer Classes */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Card 3D Tilt Effect helper */
.tilt-card {
    transform-style: preserve-3d;
    perspective: 1000px;
    will-change: transform;
}