/* ==========================================================================
   UI Enhancements - Inspired by antigravity.google
   Floating particles, scroll animations, parallax effects
   ========================================================================== */

/* Floating Particles Animation */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.particle:nth-child(odd) {
    background: var(--color-accent-dim);
    animation-duration: 25s;
}

.particle:nth-child(3n) {
    width: 6px;
    height: 6px;
    opacity: 0.2;
    animation-duration: 30s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0) rotate(0deg);
        opacity: 0.3;
    }
    25% {
        transform: translateY(-100px) translateX(50px) rotate(90deg);
        opacity: 0.5;
    }
    50% {
        transform: translateY(-200px) translateX(-30px) rotate(180deg);
        opacity: 0.2;
    }
    75% {
        transform: translateY(-150px) translateX(80px) rotate(270deg);
        opacity: 0.4;
    }
}

/* Enhanced Scroll-Triggered Animations */
.reveal-enhanced {
    opacity: 0;
    transform: translateY(60px) scale(0.95);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-100px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* Staggered Animation Delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* Parallax Effects */
.parallax-container {
    perspective: 1000px;
    overflow: hidden;
}

.parallax-layer {
    will-change: transform;
    transition: transform 0.1s linear;
}

.parallax-slow {
    transform: translateZ(-100px) scale(1.1);
}

.parallax-fast {
    transform: translateZ(50px) scale(0.95);
}

/* Enhanced Typography - Typing Effect */
.typing-effect {
    overflow: hidden;
    border-right: 3px solid var(--color-accent);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--color-accent); }
}

/* Gradient Text Animation */
.gradient-text-animated {
    background: linear-gradient(
        90deg,
        var(--color-accent) 0%,
        var(--color-accent-hover) 25%,
        #38b2ac 50%,
        var(--color-accent-hover) 75%,
        var(--color-accent) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

/* Enhanced Card Hover Effects */
.card-enhanced {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    transform-style: preserve-3d;
}

.card-enhanced:hover {
    transform: translateY(-8px) rotateX(2deg);
    box-shadow: 
        0 20px 40px rgba(79, 209, 197, 0.15),
        0 10px 20px rgba(0, 0, 0, 0.3);
}

/* Magnetic Button Effect */
.btn-magnetic {
    position: relative;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-magnetic::before {
    content: '';
    position: absolute;
    inset: -10px;
    background: radial-gradient(circle, var(--color-accent-dim) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.btn-magnetic:hover::before {
    opacity: 1;
}

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

/* Glow Effects */
.glow-accent {
    box-shadow: 0 0 20px var(--color-accent-dim),
                0 0 40px rgba(79, 209, 197, 0.1);
}

.glow-accent-hover:hover {
    box-shadow: 0 0 30px var(--color-accent-dim),
                0 0 60px rgba(79, 209, 197, 0.2);
}

/* Smooth Section Transitions */
.section-transition {
    position: relative;
    overflow: hidden;
}

.section-transition::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(
        to bottom,
        var(--color-bg-dark) 0%,
        transparent 100%
    );
    z-index: 1;
    pointer-events: none;
}

.section-transition::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(
        to top,
        var(--color-bg-dark) 0%,
        transparent 100%
    );
    z-index: 1;
    pointer-events: none;
}

/* Hero Enhancements */
.hero-enhanced {
    position: relative;
}

.hero-enhanced .hero-content {
    position: relative;
    z-index: 2;
}

/* Split Text Animation */
.split-text span {
    display: inline-block;
    opacity: 0;
    transform: translateY(50px) rotateX(-90deg);
    animation: split-reveal 0.8s forwards;
}

@keyframes split-reveal {
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0);
    }
}

/* Responsive Adjustments */
@media (prefers-reduced-motion: reduce) {
    .reveal-enhanced,
    .reveal-left,
    .reveal-right,
    .typing-effect,
    .gradient-text-animated,
    .split-text span {
        animation: none;
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .particle {
        animation: none;
    }
}