/**
 * ==========================================================================
 * VERDEX GROUP - Animations
 * ==========================================================================
 * 
 * Анимации: градиенты, тикер, анимированный график, scroll-анимации.
 * V2: Добавлен анимированный торговый график
 * 
 * @version 2.0.0
 */

/* ========================================
 * KEYFRAMES - Ключевые кадры
 * ======================================== */

/* Бегущая строка тикера */
@keyframes ticker {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Движение градиента */
@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Пульсация свечения */
@keyframes glowPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

/* Плавание орбов */
@keyframes orbFloat {
    0%, 100% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(30px, -20px);
    }
    50% {
        transform: translate(0, -40px);
    }
    75% {
        transform: translate(-30px, -20px);
    }
}

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

/* Появление с масштабом */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Мерцание точки */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ========================================
 * ANIMATED CHART - Анимированный график
 * ======================================== */

@keyframes chartLine {
    0% {
        stroke-dashoffset: 2000;
    }
    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes chartGlow {
    0%, 100% {
        filter: drop-shadow(0 0 8px rgba(0, 163, 255, 0.4));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(0, 163, 255, 0.8));
    }
}

@keyframes candleUp {
    0% {
        transform: scaleY(0);
        opacity: 0;
    }
    100% {
        transform: scaleY(1);
        opacity: 1;
    }
}

@keyframes priceMove {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-5px);
    }
    50% {
        transform: translateY(3px);
    }
    75% {
        transform: translateY(-2px);
    }
}

/* ========================================
 * BACKGROUND EFFECTS - Фоновые эффекты
 * ======================================== */

/* Главный контейнер для фоновых эффектов */
.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: var(--z-background);
    pointer-events: none;
}

/* Mesh градиент */
.bg-mesh {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-mesh);
    opacity: 0.8;
}

/* Hero градиент */
.bg-hero-glow {
    position: absolute;
    width: 100%;
    height: 100vh;
    background: var(--gradient-hero);
    top: 0;
}

/* Светящиеся орбы */
.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: orbFloat 20s ease-in-out infinite;
}

.bg-orb--1 {
    width: 500px;
    height: 500px;
    top: -150px;
    left: -100px;
    background: radial-gradient(circle, rgba(0, 163, 255, 0.15) 0%, transparent 70%);
    animation-delay: 0s;
}

.bg-orb--2 {
    width: 400px;
    height: 400px;
    top: 40%;
    right: -100px;
    background: radial-gradient(circle, rgba(0, 163, 255, 0.1) 0%, transparent 70%);
    animation-delay: -7s;
}

.bg-orb--3 {
    width: 300px;
    height: 300px;
    bottom: 20%;
    left: 20%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    animation-delay: -14s;
}

/* Сетка */
.bg-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 163, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 163, 255, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 50% 50% at 50% 30%, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 50% 50% at 50% 30%, black 0%, transparent 70%);
}

/* ========================================
 * ANIMATED TRADING CHART BACKGROUND
 * ======================================== */

.hero-chart-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 1200px;
    height: 500px;
    opacity: 0.15;
    filter: blur(2px);
    pointer-events: none;
}

.hero-chart-bg svg {
    width: 100%;
    height: 100%;
}

.chart-line-animated {
    stroke: var(--color-primary);
    stroke-width: 3;
    fill: none;
    stroke-dasharray: 2000;
    animation: chartLine 4s ease-out forwards, chartGlow 3s ease-in-out infinite;
}

.chart-area {
    fill: url(#chartGradient);
    opacity: 0.3;
}

.chart-candle {
    transform-origin: bottom;
    animation: candleUp 0.5s ease-out forwards;
}

.chart-candle.green {
    fill: var(--color-primary);
}

.chart-candle.red {
    fill: var(--color-danger);
}

/* ========================================
 * TICKER - Бегущая строка
 * ======================================== */

.ticker-wrap {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.4);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    z-index: var(--z-ticker);
}

.ticker {
    display: flex;
    animation: ticker 40s linear infinite;
    width: fit-content;
}

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

.ticker__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    white-space: nowrap;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
}

.ticker__symbol {
    color: var(--color-text-primary);
    font-weight: var(--font-semibold);
}

.ticker__price {
    color: var(--color-text-secondary);
}

.ticker__change {
    font-weight: var(--font-medium);
}

.ticker__change--up {
    color: var(--color-success);
}

.ticker__change--down {
    color: var(--color-danger);
}

.ticker__dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    margin: 0 var(--space-4);
    background: var(--color-border);
}

/* ========================================
 * SCROLL ANIMATIONS - Анимации при скролле
 * ======================================== */

/* 
 * Все элементы видимы по умолчанию.
 * Анимации применяются только при появлении в viewport.
 */

.animate-on-scroll,
.animate-fade-up,
.animate-fade-left,
.animate-fade-right,
.animate-scale {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Анимации с задержками */
.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; }

/* Staggered 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; }

/* ========================================
 * HOVER ANIMATIONS - Анимации при наведении
 * ======================================== */

.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-sm);
}

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

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

/* ========================================
 * PRICE FLASH ANIMATION
 * ======================================== */

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

.price-updated {
    animation: priceFlash 0.3s ease;
}

/* ========================================
 * LIVE DOT - Индикатор "живой"
 * ======================================== */

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: glowPulse 2s ease-in-out infinite;
    box-shadow: 0 0 10px var(--color-primary);
}

/* ========================================
 * PARALLAX - Параллакс (управляется JS)
 * ======================================== */

.parallax {
    will-change: transform;
    transition: transform 0.1s ease-out;
}

/* ========================================
 * PREFERS REDUCED MOTION
 * ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .ticker {
        animation: none;
    }
}