/* Основные анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

/* Анимации для Hero секции */
.animate-fade-up {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.animate-fade-up-delay {
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
}

.animate-fade-up-delay-2 {
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.animate-fade-up-delay-3 {
    opacity: 0;
    animation: fadeInUp 1s ease 0.9s forwards;
}

/* Анимации при скролле */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease;
}

.animate-on-scroll-left.animated {
    opacity: 1;
    transform: translateX(0);
}

.animate-on-scroll-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease;
}

.animate-on-scroll-right.animated {
    opacity: 1;
    transform: translateX(0);
}

.animate-on-scroll-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s ease;
}

.animate-on-scroll-scale.animated {
    opacity: 1;
    transform: scale(1);
}

/* Последовательные анимации для элементов */
.stagger-animation {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

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

.stagger-animation.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Hover эффекты */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-rotate {
    transition: transform 0.3s ease;
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* Пульсирующая анимация */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Плавающая анимация */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

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

/* Анимация загрузки */
@keyframes loading {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading {
    animation: loading 1s linear infinite;
}

/* Анимация появления линии */
@keyframes lineGrow {
    from {
        width: 0;
    }
    to {
        width: 60px;
    }
}

.line-animation::after {
    animation: lineGrow 0.8s ease forwards;
}

/* Анимация печатания текста */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

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

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

/* Параллакс эффект для фона */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Эффект размытия при появлении */
@keyframes blurIn {
    from {
        filter: blur(5px);
        opacity: 0;
    }
    to {
        filter: blur(0);
        opacity: 1;
    }
}

.blur-in {
    animation: blurIn 0.8s ease forwards;
}

/* Эффект глитча для текста */
@keyframes glitch {
    0% {
        text-shadow: 0.05em 0 0 rgba(255, 0, 0, 0.75),
                    -0.05em -0.025em 0 rgba(0, 255, 0, 0.75),
                    0.025em 0.05em 0 rgba(0, 0, 255, 0.75);
    }
    14% {
        text-shadow: 0.05em 0 0 rgba(255, 0, 0, 0.75),
                    -0.05em -0.025em 0 rgba(0, 255, 0, 0.75),
                    0.025em 0.05em 0 rgba(0, 0, 255, 0.75);
    }
    15% {
        text-shadow: -0.05em -0.025em 0 rgba(255, 0, 0, 0.75),
                    0.025em 0.025em 0 rgba(0, 255, 0, 0.75),
                    -0.05em -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    49% {
        text-shadow: -0.05em -0.025em 0 rgba(255, 0, 0, 0.75),
                    0.025em 0.025em 0 rgba(0, 255, 0, 0.75),
                    -0.05em -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    50% {
        text-shadow: 0.025em 0.05em 0 rgba(255, 0, 0, 0.75),
                    0.05em 0 0 rgba(0, 255, 0, 0.75),
                    0 -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    99% {
        text-shadow: 0.025em 0.05em 0 rgba(255, 0, 0, 0.75),
                    0.05em 0 0 rgba(0, 255, 0, 0.75),
                    0 -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    100% {
        text-shadow: -0.025em 0 0 rgba(255, 0, 0, 0.75),
                    -0.025em -0.025em 0 rgba(0, 255, 0, 0.75),
                    -0.025em -0.05em 0 rgba(0, 0, 255, 0.75);
    }
}

.glitch {
    animation: glitch 1s linear infinite;
}

/* Плавный переход цвета фона */
@keyframes bgColorChange {
    0% { background-color: var(--primary-white); }
    25% { background-color: var(--very-light-gray); }
    50% { background-color: var(--light-gray); }
    75% { background-color: var(--very-light-gray); }
    100% { background-color: var(--primary-white); }
}

.bg-color-animation {
    animation: bgColorChange 10s ease infinite;
}

/* Анимация подчёркивания */
@keyframes underline {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

.underline-animation {
    position: relative;
}

.underline-animation::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-black);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.underline-animation:hover::after {
    transform: scaleX(1);
}

/* Анимация волны */
@keyframes wave {
    0% { transform: rotate(0deg); }
    10% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    30% { transform: rotate(14deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
    60% { transform: rotate(0deg); }
    100% { transform: rotate(0deg); }
}

.wave-animation {
    animation: wave 2.5s infinite;
    transform-origin: 70% 70%;
    display: inline-block;
}

/* Анимация мерцания */
@keyframes shimmer {
    0% {
        background-position: -100% 0;
    }
    100% {
        background-position: 100% 0;
    }
}

.shimmer {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

/* Специальные анимации для секций */
.section-title.animated::after {
    animation: lineGrow 0.8s ease 0.3s forwards;
}

/* Анимация для карточек услуг */
.service-card {
    opacity: 0;
    transform: translateY(30px);
}

.service-card.animated {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
}

.service-card.animated:nth-child(1) { transition-delay: 0.1s; }
.service-card.animated:nth-child(2) { transition-delay: 0.2s; }
.service-card.animated:nth-child(3) { transition-delay: 0.3s; }
.service-card.animated:nth-child(4) { transition-delay: 0.4s; }

/* Анимация для элементов портфолио */
.portfolio-item {
    opacity: 0;
    transform: scale(0.9);
}

.portfolio-item.animated {
    opacity: 1;
    transform: scale(1);
    transition: all 0.5s ease;
}

.portfolio-item.animated:nth-child(1) { transition-delay: 0.1s; }
.portfolio-item.animated:nth-child(2) { transition-delay: 0.15s; }
.portfolio-item.animated:nth-child(3) { transition-delay: 0.2s; }
.portfolio-item.animated:nth-child(4) { transition-delay: 0.25s; }
.portfolio-item.animated:nth-child(5) { transition-delay: 0.3s; }
.portfolio-item.animated:nth-child(6) { transition-delay: 0.35s; }

/* Анимация для процесса работы */
.process-step {
    opacity: 0;
    transform: translateX(-20px);
}

.process-step.animated {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.6s ease;
}

.process-step.animated:nth-child(1) { transition-delay: 0.1s; }
.process-step.animated:nth-child(2) { transition-delay: 0.2s; }
.process-step.animated:nth-child(3) { transition-delay: 0.3s; }
.process-step.animated:nth-child(4) { transition-delay: 0.4s; }
.process-step.animated:nth-child(5) { transition-delay: 0.5s; }

/* Анимация для отзывов */
.testimonial-card {
    opacity: 0;
    transform: translateY(20px);
}

.testimonial-card.animated {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s ease;
}

.testimonial-card.animated:nth-child(1) { transition-delay: 0.1s; }
.testimonial-card.animated:nth-child(2) { transition-delay: 0.3s; }
.testimonial-card.animated:nth-child(3) { transition-delay: 0.5s; }

/* Отключение анимаций для пользователей с настройкой 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;
    }
}