/* Enhanced Animations for Sepsfundracers Index Page */

/* Base animation settings with accessibility support */
:root {
    --animation-duration: 0.3s;
    --animation-easing: cubic-bezier(0.4, 0, 0.2, 1);
    --scroll-animation-duration: 0.6s;
    --hover-scale: 1;
    --button-scale: 0.98;
}

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    :root {
        --animation-duration: 0.01s;
        --scroll-animation-duration: 0.01s;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Smooth scrolling for the entire page */
html {
    scroll-behavior: smooth;
}

/* Base fade-in animation for scroll reveals */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Scroll reveal classes */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--scroll-animation-duration) var(--animation-easing),
                transform var(--scroll-animation-duration) var(--animation-easing);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity var(--scroll-animation-duration) var(--animation-easing),
                transform var(--scroll-animation-duration) var(--animation-easing);
}

.scroll-reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity var(--scroll-animation-duration) var(--animation-easing),
                transform var(--scroll-animation-duration) var(--animation-easing);
}

.scroll-reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity var(--scroll-animation-duration) var(--animation-easing),
                transform var(--scroll-animation-duration) var(--animation-easing);
}

.scroll-reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Enhanced button animations */
.btn-animated {
    position: relative;
    overflow: hidden;
    transition: all var(--animation-duration) var(--animation-easing);
    transform: translateY(0);
}

.btn-animated::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 var(--animation-duration) var(--animation-easing);
}

.btn-animated:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

.btn-animated:active {
    transform: translateY(0) scale(var(--button-scale));
}

/* Card hover animations */
.card-animated {
    transition: all var(--animation-duration) var(--animation-easing);
    transform: translateY(0);
}

.card-animated:hover {
    transform: translateY(-5px) scale(1) !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* Also disable zoom effect for mobile devices */
@media (max-width: 768px) {
    .card-animated:hover {
        transform: translateY(-2px) scale(1) !important;
    }
}

/* Navigation link animations */
.nav-link-animated {
    position: relative;
    transition: color var(--animation-duration) var(--animation-easing);
}

.nav-link-animated::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width var(--animation-duration) var(--animation-easing);
}

.nav-link-animated:hover::after {
    width: 100%;
}

/* Floating animation for hero image */
@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(2deg);
    }
    50% {
        transform: translateY(-10px) rotate(2deg);
    }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

/* Pulse animation for call-to-action elements */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 131, 188, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 131, 188, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 131, 188, 0);
    }
}

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

/* Stagger animation delays for multiple elements */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* Loading state animations */
.loading-shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Icon animations */
.icon-animated {
    transition: transform var(--animation-duration) var(--animation-easing);
}

.icon-animated:hover {
    transform: scale(1.1) rotate(5deg);
}

/* Progress bar animation */
@keyframes progressBar {
    from {
        width: 0%;
    }
    to {
        width: 100%;
    }
}

.progress-animated {
    animation: progressBar 1s ease-out;
}

/* Bounce animation for attention-grabbing elements */
@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -8px, 0);
    }
    70% {
        transform: translate3d(0, -4px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

.bounce-animation {
    animation: bounce 1s ease-in-out;
}

/* Gradient animation for backgrounds */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.gradient-animated {
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
}

/* Mobile-specific optimizations */
@media (max-width: 768px) {
    .card-animated:hover {
        transform: translateY(-2px) scale(1);
    }
    
    .btn-animated:hover {
        transform: translateY(-1px);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-animated:hover {
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }
}

/* Performance optimizations */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

/* GPU acceleration for smooth animations */
.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}