/* Smooth Transitions and Base Animations */
* {
    transition: background-color 0.3s ease,
                color 0.3s ease,
                border-color 0.3s ease,
                box-shadow 0.3s ease,
                transform 0.3s ease;
}

/* Button Hover Effects */
.btn-primary,
.btn-secondary,
.download-btn {
    position: relative;
    overflow: hidden;
}

.btn-primary::before,
.btn-secondary::before,
.download-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-primary:hover::before,
.btn-secondary:hover::before,
.download-btn:hover::before {
    width: 300px;
    height: 300px;
}

/* Navigation Animations */
.navbar {
    animation: slideDown 0.5s ease;
}

.navbar-nav a {
    position: relative;
}

.navbar-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-green);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.navbar-nav a:hover::after {
    width: 80%;
}

/* Hero Section Animations */
.hero {
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(76, 175, 80, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease;
}

.hero h1 {
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero p {
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    animation: fadeInUp 0.8s ease 0.6s both;
}

/* Feature Cards Animation */
.feature-card {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Optional scroll animation (uncomment if you want scroll-triggered animations) */
/*
.feature-card.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.scroll-animate.animate-in {
    opacity: 1;
    transform: translateY(0);
}
*/

.feature-card:nth-child(1) { transition-delay: 0.1s; }
.feature-card:nth-child(2) { transition-delay: 0.2s; }
.feature-card:nth-child(3) { transition-delay: 0.3s; }
.feature-card:nth-child(4) { transition-delay: 0.4s; }
.feature-card:nth-child(5) { transition-delay: 0.5s; }
.feature-card:nth-child(6) { transition-delay: 0.6s; }

.feature-icon {
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-md);
}

/* Download Section Animation */
.download {
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 3s infinite;
}

.download-buttons {
    animation: fadeInUp 0.8s ease 0.3s both;
}

/* Loading Animations */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--pale-green);
    border-top: 3px solid var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-pulse {
    animation: pulse 2s ease infinite;
}

/* Scroll Animations - Only apply to elements with the scroll-animate class */
.scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.scroll-animate.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Hero content should be visible by default */
.hero-content,
.hero h1,
.hero p {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Menu Animation */
.mobile-menu-toggle span {
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Tooltip Animation */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%) scale(0);
    background-color: var(--text-dark);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1000;
}

.tooltip:hover::after {
    transform: translateX(-50%) scale(1);
    opacity: 1;
}

/* Progress Bar Animation */
.progress-bar {
    height: 4px;
    background-color: var(--pale-green);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-green), var(--light-green));
    animation: progress 2s ease-in-out infinite;
}

/* Image Hover Effect */
.image-hover {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.image-hover img {
    transition: transform 0.5s ease;
}

.image-hover:hover img {
    transform: scale(1.1);
}

.image-hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(76, 175, 80, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-hover:hover::before {
    opacity: 1;
}

/* Text Animation */
.text-gradient {
    background: linear-gradient(90deg, var(--primary-green), var(--light-green), var(--primary-green));
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textGradient 3s ease infinite;
}

/* Floating Animation */
.floating {
    animation: floating 3s ease-in-out infinite;
}

/* Bounce Animation */
.bounce {
    animation: bounce 2s ease infinite;
}

/* Slide In Animation */
.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.6s ease forwards;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.6s ease forwards;
}

/* Keyframe Animations */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

@keyframes rotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes progress {
    0% {
        width: 0;
    }
    50% {
        width: 70%;
    }
    100% {
        width: 100%;
    }
}

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

@keyframes floating {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Intersection Observer Delay Classes */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }

/* Animation Control Classes */
.animation-paused {
    animation-play-state: paused !important;
}

.animation-disabled * {
    animation: none !important;
    transition: none !important;
}

/* Performance Optimization */
.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}