/* =====================================================
   FPSM.ch - Animations & Transitions
   ===================================================== */

/* ----- Scroll Reveal Animations ----- */
.fade-in,
.fade-in-up,
.fade-in-down,
.fade-in-left,
.fade-in-right {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
}

.fade-in-up {
    transform: translateY(40px);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-down {
    transform: translateY(-40px);
}

.fade-in-down.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    transform: translateX(40px);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    transform: translateX(-40px);
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Animation Delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ----- Text Animations ----- */
@keyframes text-reveal {
    0% {
        opacity: 0;
        transform: translateY(100%);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    animation: text-reveal 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ----- Gradient Text Animation ----- */
@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.gradient-text {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 4s ease infinite;
}

/* ----- Glow Pulse ----- */
@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 20px var(--color-primary-glow);
    }
    50% {
        box-shadow: 0 0 40px var(--color-primary-glow), 0 0 60px var(--color-primary-glow);
    }
}

.glow-pulse {
    animation: glow-pulse 2s ease-in-out infinite;
}

/* ----- Button Hover Effects ----- */
.btn-hover-fill {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-hover-fill::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--color-primary-light);
    transition: width 0.4s ease;
    z-index: -1;
}

.btn-hover-fill:hover::before {
    width: 100%;
}

/* ----- Card Hover Effects ----- */
.card-hover {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Card Shine Effect */
.card-shine {
    position: relative;
    overflow: hidden;
}

.card-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.05),
        transparent
    );
    transition: left 0.6s ease;
}

.card-shine:hover::before {
    left: 100%;
}

/* ----- Image Hover Effects ----- */
.img-zoom {
    overflow: hidden;
}

.img-zoom img {
    transition: transform 0.6s ease;
}

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

/* ----- Link Underline Animation ----- */
.link-underline {
    position: relative;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

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

/* ----- Icon Bounce ----- */
@keyframes icon-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.icon-bounce:hover svg {
    animation: icon-bounce 0.6s ease;
}

/* ----- Rotate Animation ----- */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.rotate {
    animation: rotate 20s linear infinite;
}

.rotate-reverse {
    animation: rotate 20s linear infinite reverse;
}

/* ----- Scale In Animation ----- */
@keyframes scale-in {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

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

/* ----- Shake Animation ----- */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.6s ease;
}

/* ----- Typing Animation ----- */
@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-cursor {
    from, to { border-color: transparent; }
    50% { border-color: var(--color-primary); }
}

.typing {
    overflow: hidden;
    white-space: nowrap;
    border-right: 2px solid var(--color-primary);
    animation: 
        typing 3s steps(40, end),
        blink-cursor 0.75s step-end infinite;
}

/* ----- Parallax Effect ----- */
.parallax {
    will-change: transform;
}

/* ----- Stagger Animation ----- */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-item.visible {
    animation: stagger-in 0.6s ease forwards;
}

@keyframes stagger-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ----- Morphing Background ----- */
@keyframes morph {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
}

.morph {
    animation: morph 8s ease-in-out infinite;
}

/* ----- Ripple Effect ----- */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.3);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1) translate(-50%, -50%);
    transform-origin: 0 0;
}

.ripple:active::after {
    opacity: 1;
    transform: scale(100) translate(-50%, -50%);
    transition: transform 0.5s, opacity 0.5s;
}

/* ----- Marquee Animation ----- */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.marquee {
    display: flex;
    animation: marquee 30s linear infinite;
}

.marquee:hover {
    animation-play-state: paused;
}

/* ----- 3D Tilt Effect ----- */
.tilt {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

.tilt:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(5deg);
}

/* ----- Counter Animation ----- */
@keyframes count-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.count-animation {
    animation: count-up 0.8s ease forwards;
}

/* ----- Line Draw Animation ----- */
@keyframes line-draw {
    to { stroke-dashoffset: 0; }
}

.line-draw {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: line-draw 2s ease forwards;
}

/* ----- Smooth Scroll Behavior ----- */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* ----- Respect Reduced Motion ----- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ----- Loading Skeleton ----- */
@keyframes skeleton-loading {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-surface) 25%,
        var(--color-border) 50%,
        var(--color-surface) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

/* ----- Progress Bar Animation ----- */
@keyframes progress-fill {
    from { width: 0; }
    to { width: var(--progress); }
}

.progress-bar {
    height: 4px;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    animation: progress-fill 1s ease forwards;
}