/* ===========================================
   ADVANCED ANIMATIONS - PersonalAI
   =========================================== */

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered reveal for children */
.reveal-stagger>* {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.visible>*:nth-child(1) {
    transition-delay: 0s;
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.visible>*:nth-child(2) {
    transition-delay: 0.1s;
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.visible>*:nth-child(3) {
    transition-delay: 0.2s;
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.visible>*:nth-child(4) {
    transition-delay: 0.3s;
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.visible>*:nth-child(5) {
    transition-delay: 0.4s;
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.visible>*:nth-child(6) {
    transition-delay: 0.5s;
    opacity: 1;
    transform: translateY(0);
}

/* Glow Effect on accent elements */
.glow-effect {
    position: relative;
}

.glow-effect::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: var(--accent-glow);
    filter: blur(40px);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
    pointer-events: none;
}

.glow-effect:hover::before {
    opacity: 1;
}

/* Floating Animation */
@keyframes float {

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

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

.float-animation {
    animation: float 4s ease-in-out infinite;
}

/* Pulse Glow for accent icons */
@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 10px var(--accent-glow);
        opacity: 1;
    }

    50% {
        box-shadow: 0 0 30px var(--accent-glow), 0 0 60px var(--accent-glow);
        opacity: 0.8;
    }
}

.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Text Gradient Animation */
@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.gradient-text-animated {
    background: linear-gradient(90deg,
            var(--accent-primary),
            var(--accent-secondary),
            #ffffff,
            var(--accent-secondary),
            var(--accent-primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 4s linear infinite;
}

/* Line Draw Animation */
@keyframes line-draw {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

.line-draw {
    position: relative;
    overflow: hidden;
}

.line-draw::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 1px;
    width: 0;
    background: var(--accent-primary);
    transition: width 0.4s ease;
}

.line-draw:hover::after {
    width: 100%;
}

/* Card Tilt Effect */
.card-tilt {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    transform-style: preserve-3d;
}

.card-tilt:hover {
    transform: perspective(1000px) rotateX(2deg) rotateY(-2deg) translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 168, 255, 0.1);
}

/* Border Trace Animation */
@keyframes border-trace {
    0% {
        background-position: 0% 0%;
    }

    25% {
        background-position: 100% 0%;
    }

    50% {
        background-position: 100% 100%;
    }

    75% {
        background-position: 0% 100%;
    }

    100% {
        background-position: 0% 0%;
    }
}

.border-trace {
    position: relative;
    overflow: hidden;
}

.border-trace::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 1px;
    border-radius: inherit;
    background: linear-gradient(90deg,
            transparent,
            var(--accent-primary),
            var(--accent-secondary),
            transparent);
    background-size: 300% 300%;
    animation: border-trace 4s linear infinite;
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Typewriter Effect */
@keyframes typewriter {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

@keyframes blink-cursor {

    0%,
    50% {
        border-color: var(--accent-primary);
    }

    51%,
    100% {
        border-color: transparent;
    }
}

.typewriter {
    overflow: hidden;
    white-space: nowrap;
    border-right: 2px solid var(--accent-primary);
    animation:
        typewriter 2s steps(30) forwards,
        blink-cursor 0.8s step-end infinite;
}

/* Magnetic Button Effect */
.magnetic-btn {
    transition: transform 0.2s ease;
}

/* Counter Animation */
@keyframes count-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.counter-animated {
    animation: count-up 0.6s ease forwards;
}

/* Shimmer Loading Effect */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

.shimmer {
    background: linear-gradient(90deg,
            var(--bg-card) 0%,
            var(--bg-card-hover) 50%,
            var(--bg-card) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Particle Trail on Mouse */
.particle-trail {
    position: relative;
    overflow: hidden;
}

/* Smooth Section Transitions - opt-in with class */
section.animate-section {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

section.animate-section.in-view,
section.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Enhanced Button Hover */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(0, 168, 255, 0.2),
            transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

/* Stats Counter Glow */
.stat-number {
    text-shadow: 0 0 20px var(--accent-glow);
}

/* Card Border Glow on Hover */
.service-card {
    position: relative;
    transition: all 0.3s ease;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid transparent;
    transition: border-color 0.3s ease;
    pointer-events: none;
}

.service-card:hover::after {
    border-color: var(--accent-primary);
}

/* Glitch Text Effect (subtle) */
@keyframes glitch-subtle {

    0%,
    90%,
    100% {
        transform: translate(0);
    }

    92% {
        transform: translate(-2px, 1px);
    }

    94% {
        transform: translate(2px, -1px);
    }

    96% {
        transform: translate(-1px, 2px);
    }

    98% {
        transform: translate(1px, -2px);
    }
}

.glitch-on-hover:hover {
    animation: glitch-subtle 0.3s ease;
}

/* Smooth Image/Card Scale */
.scale-on-hover {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-on-hover:hover {
    transform: scale(1.02);
}

/* Focus Ring Animation */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Loading Dots */
@keyframes loading-dots {

    0%,
    20% {
        content: '.';
    }

    40% {
        content: '..';
    }

    60%,
    100% {
        content: '...';
    }
}