/* ============================================
   UAB OGNUVA — ANIMATION STYLES
   Advanced CSS Animations & Transitions
   ============================================ */

/* ============================================
   GRADIENT ANIMATIONS
   ============================================ */
@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 6s ease infinite;
}

/* Living gradient for hero title */
.hero__title-gradient {
    background-size: 200% 200%;
    animation: gradientShift 4s ease infinite;
}

/* ============================================
   BLOB MORPHING ANIMATIONS
   ============================================ */
@keyframes morphBlob1 {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    25% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
    50% {
        border-radius: 50% 60% 30% 70% / 40% 50% 60% 50%;
    }
    75% {
        border-radius: 40% 60% 50% 70% / 60% 40% 60% 30%;
    }
}

@keyframes morphBlob2 {
    0%, 100% {
        border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    }
    25% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
    75% {
        border-radius: 50% 60% 30% 70% / 40% 50% 60% 50%;
    }
}

.blob--1 {
    animation: blobFloat 20s ease-in-out infinite, morphBlob1 15s ease-in-out infinite;
}

.blob--2 {
    animation: blobFloat 20s ease-in-out infinite, morphBlob2 18s ease-in-out infinite;
    animation-delay: -7s, -5s;
}

.blob--3 {
    animation: blobFloat 20s ease-in-out infinite, morphBlob1 20s ease-in-out infinite;
    animation-delay: -14s, -10s;
}

/* ============================================
   TEXT REVEAL ANIMATIONS
   ============================================ */
.split-char {
    display: inline-block;
    opacity: 0;
    transform: translateY(40px) rotate(5deg);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.split-char.revealed {
    opacity: 1;
    transform: translateY(0) rotate(0);
}

.split-word {
    display: inline-block;
    overflow: hidden;
}

.split-word-inner {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.split-word-inner.revealed {
    transform: translateY(0);
}

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

.line-reveal__inner {
    transform: translateY(105%);
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.line-reveal.revealed .line-reveal__inner {
    transform: translateY(0);
}

/* ============================================
   CARD HOVER EFFECTS
   ============================================ */
/* 3D Tilt Effect Container */
[data-tilt] {
    transform-style: preserve-3d;
}

[data-tilt] > * {
    transform: translateZ(20px);
}

/* Glass Card Hover */
.glass-hover {
    position: relative;
    overflow: hidden;
}

.glass-hover::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(255, 255, 255, 0.1) 0%,
        transparent 50%
    );
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.glass-hover:hover::before {
    opacity: 1;
}

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

.shine-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.15),
        transparent
    );
    transition: left 0.6s ease;
}

.shine-effect:hover::after {
    left: 150%;
}

/* ============================================
   BUTTON ANIMATIONS
   ============================================ */
/* Ripple Effect */
.btn__ripple::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease, opacity 0.6s ease;
    pointer-events: none;
}

.btn.ripple .btn__ripple::after {
    width: 300px;
    height: 300px;
    opacity: 0;
}

/* Magnetic Button Effect - handled via JS */
.magnetic-btn {
    will-change: transform;
}

/* Pulse Ring Button */
.btn--primary::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: inherit;
    background: var(--gradient-primary);
    opacity: 0;
    z-index: -1;
    filter: blur(15px);
    transition: opacity var(--transition-base);
}

.btn--primary:hover::before {
    opacity: 0.5;
}

/* ============================================
   SCROLL-TRIGGERED ANIMATIONS
   ============================================ */
/* Fade directions */
.anim-fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.anim-fade-down {
    opacity: 0;
    transform: translateY(-40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.anim-fade-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.anim-fade-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

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

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

/* ============================================
   COUNTER ANIMATION
   ============================================ */
.counting {
    display: inline-block;
    animation: countPulse 0.3s ease;
}

@keyframes countPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ============================================
   LOADING / SKELETON
   ============================================ */
@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skeleton {
    position: relative;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.08),
        transparent
    );
    animation: shimmer 2s infinite;
}

/* ============================================
   PARALLAX ELEMENTS
   ============================================ */
[data-parallax] {
    will-change: transform;
    transition: transform 0.1s linear;
}

[data-parallax-bg] {
    will-change: transform;
    background-size: cover;
    background-position: center;
}

/* ============================================
   FLOATING ANIMATION VARIATIONS
   ============================================ */
@keyframes float-slow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes float-medium {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(-1deg); }
    66% { transform: translateY(-8px) rotate(1deg); }
}

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

.float-slow { animation: float-slow 8s ease-in-out infinite; }
.float-medium { animation: float-medium 6s ease-in-out infinite; }
.float-fast { animation: float-fast 4s ease-in-out infinite; }

/* ============================================
   BORDER GRADIENT ANIMATION
   ============================================ */
@keyframes borderRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.border-gradient {
    position: relative;
    z-index: 0;
}

.border-gradient::before {
    content: '';
    position: absolute;
    inset: -2px;
    z-index: -1;
    background: conic-gradient(
        from 0deg,
        var(--primary),
        var(--secondary),
        var(--accent),
        var(--primary)
    );
    border-radius: inherit;
    animation: borderRotate 4s linear infinite;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.border-gradient::after {
    content: '';
    position: absolute;
    inset: 1px;
    z-index: -1;
    background: var(--bg-card);
    border-radius: inherit;
}

.border-gradient:hover::before {
    opacity: 1;
}

/* ============================================
   ICON MICRO-ANIMATIONS
   ============================================ */
@keyframes iconBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes iconRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.icon-bounce:hover svg { animation: iconBounce 0.5s ease; }
.icon-pulse:hover svg { animation: iconPulse 0.4s ease; }
.icon-rotate:hover svg { animation: iconRotate 0.6s ease; }

/* ============================================
   PROGRESS BAR ANIMATION
   ============================================ */
@keyframes progressGrow {
    from { width: 0%; }
}

.progress-animated {
    animation: progressGrow 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* ============================================
   SCROLL PROGRESS ANIMATION
   ============================================ */
.scroll-progress__bar {
    background: var(--gradient-primary);
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
}

/* ============================================
   PRELOADER ANIMATIONS
   ============================================ */
@keyframes preloaderFadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes preloaderProgress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

.preloader__progress {
    animation: preloaderProgress 2s ease-in-out forwards;
}

.preloader__text {
    animation: pulse 1.5s ease-in-out infinite;
}

/* ============================================
   SERVICE CARD CIRCLE ANIMATION
   ============================================ */
@keyframes circleProgress {
    from {
        stroke-dashoffset: 283;
    }
}

.service-card__circle circle:last-of-type {
    transition: stroke-dashoffset 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ============================================
   GALLERY FILTER ANIMATION (плавное переключение табов)
   ============================================ */
.gallery__item {
    transition: opacity 0.35s ease, transform 0.35s ease;
}

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

/* Фаза «все скрыты» перед сменой набора */
.gallery__grid.gallery__grid--fade-out .gallery__item {
    opacity: 0;
}

/* Старт плавного появления видимых элементов */
.gallery__item.gallery__item--fade-in-start {
    opacity: 0;
}

/* ============================================
   MARQUEE / TICKER
   ============================================ */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.marquee {
    overflow: hidden;
    white-space: nowrap;
}

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

/* ============================================
   NOISE / GRAIN OVERLAY
   ============================================ */
@keyframes grain {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -10%); }
    30% { transform: translate(3%, -15%); }
    50% { transform: translate(12%, 9%); }
    70% { transform: translate(9%, 4%); }
    90% { transform: translate(-1%, 7%); }
}

.noise-overlay::before {
    content: '';
    position: fixed;
    inset: -50%;
    width: 200%;
    height: 200%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9990;
    animation: grain 8s steps(10) infinite;
    opacity: 0.5;
}

/* ============================================
   HOVER SCALE ON GALLERY IMAGES
   ============================================ */
.gallery__img {
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery__item:hover .gallery__img {
    transform: scale(1.08);
}

/* ============================================
   CURSOR TRAIL (Optional Enhancement)
   ============================================ */
.cursor-trail {
    position: fixed;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: calc(var(--z-cursor) - 1);
    opacity: 0;
    transition: opacity 0.3s ease;
    mix-blend-mode: screen;
}

/* ============================================
   RESPONSIVE ANIMATION ADJUSTMENTS
   ============================================ */
@media (max-width: 767px) {
    .blob {
        filter: blur(60px);
    }
    
    .blob--1 { width: 300px; height: 300px; }
    .blob--2 { width: 250px; height: 250px; }
    .blob--3 { width: 200px; height: 200px; }
    
    [data-tilt] {
        transform: none !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .blob,
    .hero__float-card,
    .hero__title-gradient,
    .scroll-progress__bar,
    .preloader__progress,
    .preloader__text,
    .cursor-trail {
        animation: none !important;
    }
    
    .split-char,
    .split-word-inner,
    .line-reveal__inner {
        transform: none !important;
        opacity: 1 !important;
    }
}