/* ===== ANIMATIONS ===== */
/* Анимации, переходы и эффекты */

/* ===== БАЗОВЫЕ АНИМАЦИИ ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(360deg); }
}

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

@keyframes animate-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* ===== ГРАДИЕНТНЫЕ АНИМАЦИИ ===== */
@keyframes subtle-gradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes border-glow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ===== АНИМАЦИИ ДВИЖЕНИЯ ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-12px) rotate(0.5deg); }
    66% { transform: translateY(-6px) rotate(-0.3deg); }
}

/* ===== ПРИМЕНЕНИЕ АНИМАЦИЙ ===== */
.animate-pulse {
    animation: animate-pulse 2s ease-in-out infinite;
}

.floating-card {
    animation: float 8s ease-in-out infinite;
    transform-origin: center;
    position: relative;
}

.text-gradient {
    animation: subtle-gradient 6s ease-in-out infinite;
}

.stat-number {
    background: linear-gradient(45deg, var(--primary), var(--secondary-alt), var(--primary));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

.status-indicator {
    animation: pulse 2s infinite;
}

/* ===== ЭФФЕКТЫ НАВЕДЕНИЯ ===== */
.shine-effect {
    position: relative;
    overflow: hidden;
}

.shine-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

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

/* ===== ЭФФЕКТЫ ДЛЯ КАРТОЧЕК ===== */
.floating-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(45deg, transparent, rgba(102, 126, 234, 0.2), transparent);
    border-radius: 16px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.floating-card:hover::before {
    opacity: 1;
}

.floating-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary), var(--secondary-alt), var(--primary), var(--secondary-alt));
    background-size: 300% 300%;
    border-radius: 20px;
    opacity: 0;
    z-index: -1;
    animation: border-glow 4s ease infinite;
    transition: opacity 0.3s ease;
}

.floating-card:hover::before {
    opacity: 0.7;
}

/* ===== RIPPLE ЭФФЕКТ ===== */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple:after {
    content: "";
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, #fff 10%, transparent 10.01%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10, 10);
    opacity: 0;
    transition: transform .5s, opacity 1s;
}

.ripple:active:after {
    transform: scale(0, 0);
    opacity: .3;
    transition: 0s;
}

/* ===== ИНДИКАТОР ЗАГРУЗКИ ===== */
.tg-loader {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

/* ===== СПЕЦИАЛЬНЫЕ ЭФФЕКТЫ ===== */
.hero-title {
    text-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.btn:active {
    transform: scale(0.96);
}

/* Плавные переходы для всех интерактивных элементов */
.card, .btn, .feature-icon, .mobile-nav-item {
    transition: var(--transition-smooth);
}

/* Убираем подсветку при тапе на мобильных */
.btn {
    -webkit-tap-highlight-color: transparent;
} 

/* ===== АНИМАЦИИ ДЛЯ ЛЕНДИНГА ===== */

/* Базовая анимация для элементов на лендинге */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Анимация для элементов при скролле */
.reveal {
    opacity: 0;
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
}

/* Стили для анимации элементов внутри секций */
.stagger-item {
    opacity: 0;
    transform: translateY(10px);
}

.stagger-item.visible {
    animation: fadeInUp 0.5s ease-out forwards;
}