/* Elegant Animation System */

/* Keyframes */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

@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);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes reveal {
    from {
        opacity: 0;
        clip-path: inset(0 100% 0 0);
    }
    to {
        opacity: 1;
        clip-path: inset(0 0 0 0);
    }
}

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

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

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-slide-in-left {
    animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-scale-in {
    animation: scaleIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-reveal {
    animation: reveal 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Stagger Animation */
.animate-stagger > * {
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-stagger > *:nth-child(1) { animation-delay: 0.1s; }
.animate-stagger > *:nth-child(2) { animation-delay: 0.2s; }
.animate-stagger > *:nth-child(3) { animation-delay: 0.3s; }
.animate-stagger > *:nth-child(4) { animation-delay: 0.4s; }
.animate-stagger > *:nth-child(5) { animation-delay: 0.5s; }
.animate-stagger > *:nth-child(6) { animation-delay: 0.6s; }

/* Scroll-triggered Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Hero Animation Sequence */
.hero-headline .headline-line {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-headline .headline-line:nth-child(1) {
    animation-delay: 0.2s;
}

.hero-headline .headline-line:nth-child(2) {
    animation-delay: 0.4s;
}

.hero-headline .headline-line:nth-child(3) {
    animation-delay: 0.6s;
}

.hero-description {
    opacity: 0;
    animation: fadeIn 1s cubic-bezier(0.4, 0, 0.2, 1) 0.8s forwards;
}

.hero-actions {
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1s forwards;
}

/* Navigation Animation */
.navigation {
    opacity: 0;
    animation: fadeInDown 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.hover-scale {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* Parallax Effects */
.parallax {
    will-change: transform;
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Text Animation */
.text-gradient {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.text-reveal {
    position: relative;
    overflow: hidden;
}

.text-reveal::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-background);
    transform: translateX(-100%);
    animation: reveal 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Smooth Transitions */
* {
    transition-property: opacity, transform, background-color, border-color, color, fill, stroke;
    transition-duration: 0.3s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Disable animations for reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}