/**
 * Orchard IT - Animations & Gradient Text Styles
 * Einblend-, Scroll-Animationen und Farbverläufe für Schriften
 * 
 * @package OrchardIT
 */

/* ===== CSS VARIABLES FOR ANIMATIONS ===== */
:root {
    /* Animation Durations - Subtil, Premium */
    --anim-duration-fast: 0.2s;
    --anim-duration-normal: 0.4s;
    --anim-duration-slow: 0.6s;
    --anim-duration-hero: 0.8s;
    
    /* Animation Easing */
    --anim-ease-out: cubic-bezier(0.4, 0, 0.2, 1);
    --anim-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --anim-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Animation Delays */
    --anim-delay-stagger: 0.1s;
    --anim-delay-hero-text: 0.2s;
    --anim-delay-hero-button: 0.4s;
    
    /* Gradient Colors - Grün Theme */
    --gradient-primary-start: #10B981; /* Green */
    --gradient-primary-end: #059669; /* Dark Green */
    --gradient-hero-start: #34D399; /* Light Green */
    --gradient-hero-mid: #10B981; /* Green */
    --gradient-hero-end: #059669; /* Dark Green */
    --gradient-accent-start: #10B981; /* Green */
    --gradient-accent-end: #059669; /* Dark Green */
}

/* ===== KEYFRAME ANIMATIONS ===== */

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

/* Fade In Up - Subtil */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Down */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide In Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide In Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Scale In with Bounce */
@keyframes scaleInBounce {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

/* Rotate In */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-10deg) scale(0.9);
    }
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

/* Gradient Shimmer (für Text) */
@keyframes gradientShimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

/* Glow Pulse */
@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(59, 130, 246, 0.6);
    }
}

/* ===== GRADIENT TEXT STYLES ===== */

/* Basis-Klasse für Gradient-Text */
.gradient-text {
    background: linear-gradient(135deg, var(--gradient-primary-start) 0%, var(--gradient-primary-end) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* Primary Gradient (Grün) */
.gradient-text-primary {
    background: linear-gradient(135deg, var(--gradient-primary-start) 0%, var(--gradient-primary-end) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero Gradient (Grün-Töne) */
.gradient-text-hero {
    background: linear-gradient(135deg, var(--gradient-hero-start) 0%, var(--gradient-hero-mid) 50%, var(--gradient-hero-end) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradientShimmer 4s linear infinite;
}

/* Accent Gradient (Grün-Töne) */
.gradient-text-accent {
    background: linear-gradient(135deg, var(--gradient-accent-start) 0%, var(--gradient-accent-end) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Gradient Text mit Hover-Effekt */
.gradient-text-hover {
    transition: all var(--anim-duration-normal) var(--anim-ease-out);
}

.gradient-text-hover:hover {
    background-size: 200% auto;
    animation: gradientShimmer 1.5s linear infinite;
}

/* ===== FADE IN ON LOAD ===== */

.fade-in-on-load {
    opacity: 0;
    animation: fadeIn var(--anim-duration-normal) var(--anim-ease-out) forwards;
}

.fade-in-on-load-delay {
    opacity: 0;
    animation: fadeIn var(--anim-duration-normal) var(--anim-ease-out) forwards;
    animation-delay: var(--anim-delay-hero-text);
}

/* ===== SCROLL ANIMATIONS ===== */

/* Fade In on Scroll - Subtil */
.scroll-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--anim-duration-normal) var(--anim-ease-out),
                transform var(--anim-duration-normal) var(--anim-ease-out);
    will-change: opacity, transform;
}

.scroll-fade-in.animated,
.scroll-fade-in.gsap-animated {
    opacity: 1;
    transform: translateY(0);
}

/* Slide Up on Scroll - Subtil */
.scroll-slide-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--anim-duration-normal) var(--anim-ease-out),
                transform var(--anim-duration-normal) var(--anim-ease-out);
    will-change: opacity, transform;
}

.scroll-slide-up.animated,
.scroll-slide-up.gsap-animated {
    opacity: 1;
    transform: translateY(0);
}

/* Slide Down on Scroll */
.scroll-slide-down {
    opacity: 0;
    transform: translateY(-50px);
    transition: opacity var(--anim-duration-normal) var(--anim-ease-out),
                transform var(--anim-duration-normal) var(--anim-ease-out);
    will-change: opacity, transform;
}

.scroll-slide-down.animated,
.scroll-slide-down.gsap-animated {
    opacity: 1;
    transform: translateY(0);
}

/* Slide Left on Scroll */
.scroll-slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity var(--anim-duration-normal) var(--anim-ease-out),
                transform var(--anim-duration-normal) var(--anim-ease-out);
    will-change: opacity, transform;
}

.scroll-slide-left.animated,
.scroll-slide-left.gsap-animated {
    opacity: 1;
    transform: translateX(0);
}

/* Slide Right on Scroll */
.scroll-slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity var(--anim-duration-normal) var(--anim-ease-out),
                transform var(--anim-duration-normal) var(--anim-ease-out);
    will-change: opacity, transform;
}

.scroll-slide-right.animated,
.scroll-slide-right.gsap-animated {
    opacity: 1;
    transform: translateX(0);
}

/* Scale In on Scroll */
.scroll-scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity var(--anim-duration-normal) var(--anim-ease-out),
                transform var(--anim-duration-normal) var(--anim-ease-spring);
    will-change: opacity, transform;
}

.scroll-scale-in.animated,
.scroll-scale-in.gsap-animated {
    opacity: 1;
    transform: scale(1);
}

/* Rotate In on Scroll */
.scroll-rotate-in {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
    transition: opacity var(--anim-duration-normal) var(--anim-ease-out),
                transform var(--anim-duration-normal) var(--anim-ease-out);
    will-change: opacity, transform;
}

.scroll-rotate-in.animated,
.scroll-rotate-in.gsap-animated {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* ===== STAGGER ANIMATIONS (für Grids/Karten) ===== */

.scroll-stagger-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--anim-duration-normal) var(--anim-ease-out),
                transform var(--anim-duration-normal) var(--anim-ease-out);
    will-change: opacity, transform;
}

.scroll-stagger-item.animated,
.scroll-stagger-item.gsap-animated {
    opacity: 1;
    transform: translateY(0);
}

/* ===== HERO ANIMATIONS ===== */

.hero-fade-in {
    opacity: 0;
    animation: fadeInUp var(--anim-duration-hero) var(--anim-ease-out) forwards;
}

.hero-title-animate {
    opacity: 0;
    transform: translateY(40px);
    will-change: opacity, transform;
}

.hero-title-animate.animated,
.hero-title-animate.gsap-animated {
    opacity: 1;
    transform: translateY(0);
}

.hero-subtitle-animate {
    opacity: 0;
    transform: translateY(30px);
    will-change: opacity, transform;
}

.hero-subtitle-animate.animated,
.hero-subtitle-animate.gsap-animated {
    opacity: 1;
    transform: translateY(0);
}

.hero-button-animate {
    opacity: 0;
    transform: translateY(20px);
    will-change: opacity, transform;
}

.hero-button-animate.animated,
.hero-button-animate.gsap-animated {
    opacity: 1;
    transform: translateY(0);
}

/* ===== BUTTON ANIMATIONS ===== */

.btn-animated {
    transition: all var(--anim-duration-fast) var(--anim-ease-out);
    position: relative;
    overflow: hidden;
}

.btn-animated::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width var(--anim-duration-normal), height var(--anim-duration-normal);
}

.btn-animated:hover::before {
    width: 300px;
    height: 300px;
}

.btn-animated:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
}

/* ===== CARD ANIMATIONS ===== */

.card-animated {
    transition: all var(--anim-duration-normal) var(--anim-ease-out);
    will-change: transform, box-shadow;
}

.card-animated:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--glow-primary);
}

/* ===== STATISTICS COUNTER ANIMATION ===== */

.stat-number-animate {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--anim-duration-normal) var(--anim-ease-out),
                transform var(--anim-duration-normal) var(--anim-ease-out);
}

.stat-number-animate.animated,
.stat-number-animate.gsap-animated {
    opacity: 1;
    transform: translateY(0);
}

/* ===== ACCESSIBILITY: REDUCED MOTION ===== */

@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;
    }
    
    .gradient-text-hero {
        animation: none !important;
    }
    
    .scroll-fade-in,
    .scroll-slide-up,
    .scroll-slide-down,
    .scroll-slide-left,
    .scroll-slide-right,
    .scroll-scale-in,
    .scroll-rotate-in,
    .scroll-stagger-item {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* ===== MOBILE OPTIMIZATIONS ===== */

@media (max-width: 768px) {
    :root {
        --anim-duration-fast: 0.2s;
        --anim-duration-normal: 0.4s;
        --anim-duration-slow: 0.6s;
        --anim-duration-hero: 0.8s;
    }
    
    .scroll-fade-in,
    .scroll-slide-up,
    .scroll-slide-down,
    .scroll-slide-left,
    .scroll-slide-right,
    .scroll-scale-in,
    .scroll-rotate-in {
        transform: translateY(20px) !important;
    }
    
    .scroll-slide-left {
        transform: translateX(-20px) !important;
    }
    
    .scroll-slide-right {
        transform: translateX(20px) !important;
    }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */

/* GPU-Beschleunigung für animierte Elemente */
.scroll-fade-in,
.scroll-slide-up,
.scroll-slide-down,
.scroll-slide-left,
.scroll-slide-right,
.scroll-scale-in,
.scroll-rotate-in,
.scroll-stagger-item,
.card-animated,
.btn-animated {
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Will-change nur wenn nötig (wird von JS gesetzt) */
.will-animate {
    will-change: opacity, transform;
}

.animation-complete {
    will-change: auto;
}

/* ===== FALLBACK SYSTEM ===== */
/* Elemente werden nach 2 Sekunden automatisch sichtbar, auch wenn JavaScript nicht läuft oder GSAP nicht geladen wird */

@keyframes fadeInFallback {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUpFallback {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDownFallback {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideLeftFallback {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideRightFallback {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleInFallback {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes rotateInFallback {
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

@keyframes heroTitleFallback {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroSubtitleFallback {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroButtonFallback {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fallback für Scroll-Animationen: Nach 2 Sekunden automatisch sichtbar */
.scroll-fade-in:not(.gsap-animated):not(.animated) {
    animation: fadeInFallback 0.6s ease-out 2s forwards;
}

.scroll-slide-up:not(.gsap-animated):not(.animated) {
    animation: slideUpFallback 0.6s ease-out 2s forwards;
}

.scroll-slide-down:not(.gsap-animated):not(.animated) {
    animation: slideDownFallback 0.6s ease-out 2s forwards;
}

.scroll-slide-left:not(.gsap-animated):not(.animated) {
    animation: slideLeftFallback 0.6s ease-out 2s forwards;
}

.scroll-slide-right:not(.gsap-animated):not(.animated) {
    animation: slideRightFallback 0.6s ease-out 2s forwards;
}

.scroll-scale-in:not(.gsap-animated):not(.animated) {
    animation: scaleInFallback 0.6s ease-out 2s forwards;
}

.scroll-rotate-in:not(.gsap-animated):not(.animated) {
    animation: rotateInFallback 0.6s ease-out 2s forwards;
}

.scroll-stagger-item:not(.gsap-animated):not(.animated) {
    animation: fadeInFallback 0.6s ease-out 2s forwards;
}

/* Fallback für Hero-Animationen: Nach 1.5 Sekunden automatisch sichtbar */
.hero-title-animate:not(.gsap-animated):not(.animated) {
    animation: heroTitleFallback 0.8s ease-out 1.5s forwards;
}

.hero-subtitle-animate:not(.gsap-animated):not(.animated) {
    animation: heroSubtitleFallback 0.6s ease-out 1.8s forwards;
}

.hero-button-animate:not(.gsap-animated):not(.animated) {
    animation: heroButtonFallback 0.6s ease-out 2s forwards;
}

/* No-JS Fallback: Wenn JavaScript deaktiviert ist, werden alle Elemente sofort sichtbar */
.no-js .scroll-fade-in,
.no-js .scroll-slide-up,
.no-js .scroll-slide-down,
.no-js .scroll-slide-left,
.no-js .scroll-slide-right,
.no-js .scroll-scale-in,
.no-js .scroll-rotate-in,
.no-js .scroll-stagger-item,
.no-js .hero-title-animate,
.no-js .hero-subtitle-animate,
.no-js .hero-button-animate {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
}