/* =========================
  ENHANCED ANIMATIONS FOR PORTFOLIO
  ========================= */

/* 1. SMOOTH SCROLL-TRIGGERED REVEAL ANIMATIONS */
.reveal-up { 
    opacity: 0; 
    transform: translateY(15px); 
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1); 
}
.reveal-left { 
    opacity: 0; 
    transform: translateX(-15px); 
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1); 
}
.reveal-right { 
    opacity: 0; 
    transform: translateX(15px); 
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1); 
}
.reveal-scale { 
    opacity: 0; 
    transform: scale(0.96); 
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1); 
}
.reveal-blur { 
    opacity: 0; 
    filter: blur(3px); 
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), filter 1.2s cubic-bezier(0.16, 1, 0.3, 1); 
}

.reveal-up.animate-in,
.reveal-left.animate-in,
.reveal-right.animate-in,
.reveal-scale.animate-in,
.reveal-blur.animate-in {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
    filter: blur(0);
}

/* Gentler staggered animations */
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.1s; }
.stagger-3 { transition-delay: 0.15s; }
.stagger-4 { transition-delay: 0.2s; }
.stagger-5 { transition-delay: 0.25s; }
.stagger-6 { transition-delay: 0.3s; }

/* 2. SMOOTH MICRO-INTERACTIONS */
.hover-lift {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.hover-lift:hover {
    transform: translateY(-2px);
}

.hover-glow-soft {
    transition: box-shadow 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.hover-glow-soft:hover {
    box-shadow: 0 4px 20px rgba(120, 140, 180, 0.12);
    transform: translateY(-1px);
}

.hover-scale {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.hover-scale:hover {
    transform: scale(1.01);
}

/* Smoother button ripple effect */
.btn-ripple {
    position: relative;
    overflow: hidden;
}
.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1), height 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-ripple:active::after {
    width: 200px;
    height: 200px;
}

/* 3. GENTLER BACKGROUND AMBIENT ANIMATIONS */
@keyframes floatingParticle {
    0%, 100% { 
        transform: translate(0, 0) rotate(0deg); 
    }
    25% { 
        transform: translate(5px, -5px) rotate(45deg); 
    }
    50% { 
        transform: translate(-3px, -10px) rotate(90deg); 
    }
    75% { 
        transform: translate(-8px, -3px) rotate(135deg); 
    }
}

.floating-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, rgba(120, 140, 180, 0.4), transparent);
    border-radius: 50%;
    animation: floatingParticle 12s ease-in-out infinite;
    pointer-events: none;
}

.floating-particle:nth-child(2n) { animation-duration: 16s; }
.floating-particle:nth-child(3n) { animation-duration: 14s; animation-direction: reverse; }

/* Smoother gradient wave background */
@keyframes gradientWave {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.gradient-wave {
    background: linear-gradient(-45deg, 
        rgba(120, 140, 180, 0.02), 
        rgba(255, 255, 255, 0.03), 
        rgba(120, 140, 180, 0.015), 
        rgba(255, 255, 255, 0.02)
    );
    background-size: 400% 400%;
    animation: gradientWave 20s ease infinite;
}

/* 4. SMOOTH HERO SECTION ENHANCEMENTS */
@keyframes heroGlow {
    0%, 100% { 
        box-shadow: 0 0 15px rgba(120, 140, 180, 0.08); 
    }
    50% { 
        box-shadow: 0 0 25px rgba(120, 140, 180, 0.12), 0 0 45px rgba(120, 140, 180, 0.06); 
    }
}

.hero-glow {
    animation: heroGlow 6s ease-in-out infinite;
}

/* Smoother typing cursor */
@keyframes typingCursorEnhanced {
    0%, 45% { opacity: 1; transform: scaleY(1); }
    46%, 54% { opacity: 0.4; transform: scaleY(0.9); }
    55%, 100% { opacity: 1; transform: scaleY(1); }
}

.typing-cursor-enhanced::after {
    animation: typingCursorEnhanced 1.8s ease-in-out infinite;
}

/* Gentler floating elements around hero */
.hero-float {
    position: absolute;
    pointer-events: none;
    opacity: 0.4;
}

@keyframes heroFloat1 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(6deg); }
}

@keyframes heroFloat2 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(-4deg); }
}

.hero-float-1 { animation: heroFloat1 8s ease-in-out infinite; }
.hero-float-2 { animation: heroFloat2 10s ease-in-out infinite 1s; }

/* 5. SMOOTH SKILLS SECTION ANIMATIONS */
@keyframes skillProgress {
    0% { width: 0%; opacity: 0.8; }
    100% { width: var(--progress); opacity: 1; }
}

.skill-progress-animated {
    animation: skillProgress 2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Smoother skill card hover enhancement */
.skill-card-enhanced {
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.skill-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(120, 140, 180, 0.06), transparent);
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    border-radius: inherit;
}

.skill-card-enhanced:hover::before {
    opacity: 1;
}

/* Gentler icon bounce on hover */
@keyframes iconBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.icon-bounce:hover {
    animation: iconBounce 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 6. SMOOTH PROJECT CARDS ANIMATIONS */
@keyframes projectReveal {
    0% {
        opacity: 0;
        transform: translateY(15px) rotateX(3deg);
        filter: blur(2px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateX(0);
        filter: blur(0);
    }
}

.project-reveal {
    animation: projectReveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Smoother image parallax effect */
.image-parallax {
    transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.image-parallax:hover {
    transform: scale(1.02) translateZ(0);
}

/* 7. SMOOTH PAGE TRANSITIONS */
.page-transition-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-transition-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.page-transition-exit {
    opacity: 1;
    transform: translateY(0);
}

.page-transition-exit-active {
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 8. LOADING STATES */
@keyframes shimmerLoading {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

.loading-shimmer {
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.2), 
        transparent
    );
    background-size: 200px 100%;
    animation: shimmerLoading 1.5s infinite;
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, 
        rgba(120, 140, 180, 0.1) 25%, 
        rgba(120, 140, 180, 0.2) 50%, 
        rgba(120, 140, 180, 0.1) 75%
    );
    background-size: 200% 100%;
    animation: shimmerLoading 1.5s infinite;
}

/* 9. NAVIGATION ANIMATIONS */
.nav-item {
    position: relative;
    transition: all 0.3s ease;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--brand-500);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: translateX(-50%);
}

.nav-item:hover::after,
.nav-item.active::after {
    width: 100%;
}

/* 10. SCROLL-TRIGGERED COUNTERS */
@keyframes countUp {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.count-up {
    animation: countUp 2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 11. TEXT REVEAL ANIMATIONS */
@keyframes textReveal {
    0% {
        opacity: 0;
        transform: translateY(100%);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    animation: textReveal 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.text-reveal span:nth-child(2) { animation-delay: 0.1s; }
.text-reveal span:nth-child(3) { animation-delay: 0.2s; }
.text-reveal span:nth-child(4) { animation-delay: 0.3s; }

/* 12. REDUCED MOTION PREFERENCES */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .reveal-up,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .reveal-blur {
        opacity: 1;
        transform: none;
        filter: none;
    }
}