/* ========================================
   Animations & Transitions
   ======================================== */

/* ---- Page Load Animations ---- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* ---- Staggered Children ---- */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.6s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.7s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.8s; }
.stagger-children.visible > *:nth-child(9) { transition-delay: 0.9s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Gallery Item Animations ---- */
.gallery-item[data-animation="fade"] {
    animation: fadeIn 0.6s ease forwards;
}

.gallery-item[data-animation="slide"] {
    animation: slideIn 0.6s ease forwards;
}

.gallery-item[data-animation="scale"] {
    animation: scaleIn 0.6s ease forwards;
}

.gallery-item[data-animation="flip"] {
    animation: flipIn 0.8s ease forwards;
}

.gallery-item[data-animation="parallax"] {
    animation: parallaxIn 0.8s ease forwards;
}

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes flipIn {
    from {
        opacity: 0;
        transform: perspective(1000px) rotateY(-90deg);
    }
    to {
        opacity: 1;
        transform: perspective(1000px) rotateY(0);
    }
}

@keyframes parallaxIn {
    from {
        opacity: 0;
        transform: perspective(1000px) translateZ(-100px) scale(1.1);
    }
    to {
        opacity: 1;
        transform: perspective(1000px) translateZ(0) scale(1);
    }
}

/* ---- Hover Effects ---- */
.hover-lift {
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

.hover-glow {
    transition: box-shadow var(--transition-medium);
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(91, 192, 190, 0.5);
}

.hover-border {
    position: relative;
}

.hover-border::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-primary);
    border-radius: inherit;
    opacity: 0;
    transform: scale(1.1);
    transition: all var(--transition-medium);
}

.hover-border:hover::after {
    opacity: 1;
    transform: scale(1);
}

/* ---- Magnetic Button ---- */
.magnetic-btn {
    position: relative;
    display: inline-block;
    transition: transform var(--transition-fast);
}

/* ---- Text Animations ---- */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
}

.text-reveal.visible span {
    transform: translateY(0);
}

/* ---- Line Reveal ---- */
.line-reveal {
    position: relative;
    overflow: hidden;
}

.line-reveal::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1);
}

.line-reveal.visible::after {
    transform: scaleX(1);
}

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

/* ---- Scroll Reveal Variants ---- */
.reveal-up {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-blur {
    opacity: 0;
    filter: blur(12px);
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                filter 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-blur.visible {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
}

/* ---- Stagger Delays ---- */
.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: 0.1s; }
.stagger > *:nth-child(3) { transition-delay: 0.2s; }
.stagger > *:nth-child(4) { transition-delay: 0.3s; }
.stagger > *:nth-child(5) { transition-delay: 0.4s; }
.stagger > *:nth-child(6) { transition-delay: 0.5s; }
.stagger > *:nth-child(7) { transition-delay: 0.6s; }
.stagger > *:nth-child(8) { transition-delay: 0.7s; }

/* ---- Glow Pulse ---- */
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(91, 192, 190, 0.3); }
    50% { box-shadow: 0 0 40px rgba(91, 192, 190, 0.6); }
}

.glow-pulse {
    animation: glowPulse 3s ease-in-out infinite;
}

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

.float {
    animation: float 3s ease-in-out infinite;
}

/* ---- Counter Animation ---- */
.counter {
    display: inline-block;
    font-variant-numeric: tabular-nums;
}

/* ---- Image Reveal ---- */
.image-reveal {
    position: relative;
    overflow: hidden;
}

.image-reveal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
    z-index: 1;
}

.image-reveal.visible::before {
    transform: scaleX(0);
    transform-origin: left;
}

/* ---- Loading Spinner ---- */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(91, 192, 190, 0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

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

.ripple:active::after {
    width: 300px;
    height: 300px;
}

/* ---- Smooth Page Transitions ---- */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    z-index: 9999;
    transform: scaleY(0);
    transform-origin: bottom;
    pointer-events: none;
}

.page-transition.active {
    animation: pageTransitionIn 0.6s cubic-bezier(0.77, 0, 0.175, 1) forwards;
}

@keyframes pageTransitionIn {
    0% { transform: scaleY(0); transform-origin: bottom; }
    100% { transform: scaleY(1); transform-origin: bottom; }
}

@keyframes pageTransitionOut {
    0% { transform: scaleY(1); transform-origin: top; }
    100% { transform: scaleY(0); transform-origin: top; }
}

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