/* css/animations.css - Hero & Bubble Animations */

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem var(--spacing-lg) var(--spacing-2xl);
    background: var(--hero-bg) !important;
    position: relative;
    overflow: hidden;
}

/* Hero Content */
.hero-content {
    animation: fadeInUp 1s ease-out;
    z-index: 10;
    position: relative;
}

.hero h1 {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

.hero p {
    color: var(--text-secondary);
    animation: fadeInUp 1s ease-out 0.2s both;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color)) !important;
    color: var(--surface-dark) !important;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 1s ease-out 0.4s both;
    position: relative;
    overflow: hidden;
    margin-top: var(--spacing-md);
    border: none;
    cursor: pointer;
    font-size: var(--font-base);
}

.cta-button:hover {
    transform: translateY(-3px) !important;
    box-shadow: var(--shadow-glow) !important;
    color: var(--surface-dark) !important;
    text-decoration: none;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
    z-index: 1;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button span,
.cta-button * {
    position: relative;
    z-index: 2;
}

/* Tags */
.tags {
    animation: fadeInUp 1s ease-out 0.6s both;
}

.tag {
    backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    transition: all 0.3s ease !important;
    position: relative;
    overflow: hidden;
}

.tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.3s ease;
}

.tag:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2) !important;
}

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

/* Floating Elements */
.floating-element {
    position: absolute;
    background: var(--floating-bg);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 10%;
    width: 40px;
    height: 40px;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    top: 80%;
    left: 20%;
    width: 50px;
    height: 50px;
    animation-delay: 4s;
}

.floating-element:nth-child(4) {
    top: 30%;
    right: 25%;
    width: 35px;
    height: 35px;
    animation-delay: 1s;
}

/* Particle System */
.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: particleFloat var(--duration, 8s) linear infinite;
    z-index: 2;
}

.particle.small {
    width: 4px;
    height: 4px;
    background: var(--particle-small);
    box-shadow: 0 0 6px var(--particle-small);
}

.particle.medium {
    width: 6px;
    height: 6px;
    background: var(--particle-medium);
    box-shadow: 0 0 8px var(--particle-medium);
}

.particle.large {
    width: 8px;
    height: 8px;
    background: var(--particle-large);
    box-shadow: 0 0 10px var(--particle-large);
}

.particle::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: inherit;
    border-radius: 50%;
    filter: blur(2px);
    opacity: 0.5;
    z-index: -1;
}

/* About Section */
.about {
    background: rgba(31, 41, 55, 0.3) !important;
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
}

.about-card {
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.about-card:hover::before {
    transform: scaleX(1);
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Keyframe Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

@keyframes particleFloat {
    0% {
        transform: translateY(0) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-120vh) translateX(var(--random-x, 0px)) rotate(360deg);
        opacity: 0;
    }
}

/* Navbar Scrolling */
.navbar {
    transition: all 0.3s ease !important;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero {
        background: var(--bg-gradient) !important;
    }
    
    .floating-element {
        display: none;
    }
    
    .cta-button {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-sm);
    }
    
    .particle {
        animation-duration: 6s;
    }
    
    .particle.large {
        width: 6px;
        height: 6px;
    }
    
    .particle.medium {
        width: 4px;
        height: 4px;
    }
    
    .particle.small {
        width: 3px;
        height: 3px;
    }
}

/* Performance & Accessibility */
@media (prefers-reduced-motion: reduce) {
    .particle,
    .floating-element {
        animation: none !important;
        display: none;
    }
}

@media only screen and (-webkit-min-device-pixel-ratio: 2) {
    .particle,
    .floating-element {
        will-change: transform;
    }
}