/* Основные стили и переменные */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

:root {
    --bg-color: #0e1621;
    --text-color: #edf2f7;
    --primary-color: #FF5722;
    --secondary-color: #E64A19;
    --block-bg: #1c2733;
    --block-text: #f5f5f5;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --transition-speed: 0.4s;
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Montserrat', 'Segoe UI', Arial, sans-serif;
    --border-radius: 20px;
    --card-shadow: 0 10px 30px var(--shadow-color);
}

.dark-mode {
    --bg-color: #f5f7fa;
    --text-color: #2d3748;
    --block-bg: #ffffff;
    --block-text: #2d3748;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: var(--body-font);
    background: var(--bg-color);
    color: var(--text-color);
    transition: background var(--transition-speed), color var(--transition-speed);
    line-height: 1.7;
    overflow-x: hidden;
    background-image: radial-gradient(circle at 10% 20%, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.05) 90%);
}

.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.3;
}

p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    font-size: 2.4rem;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
    text-align: center;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    right: 10%;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    border-radius: 4px;
}

/* Добавляем контейнер для центрирования заголовка */
.section-title-container {
    width: 100%;
    text-align: center;
    margin-bottom: 30px;
}

/* Анимации для элементов при прокрутке */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s, transform 1s;
}

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

/* Кнопки */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.primary-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(255, 87, 34, 0.3);
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.primary-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s ease;
    z-index: -1;
}

.primary-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(255, 87, 34, 0.4);
    color: white;
}

.primary-button:hover::before {
    left: 100%;
}

.secondary-button {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 13px 28px;
    border-radius: 50px;
    font-weight: 600;
    transition: background 0.3s, transform 0.3s;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.secondary-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s ease;
    z-index: -1;
}

.secondary-button:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    color: white;
}

.secondary-button:hover::before {
    left: 100%;
}

/* Навигационное меню */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(14, 22, 33, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    padding: 10px 0;
}

.dark-mode .main-nav {
    background: rgba(245, 247, 250, 0.95);
}

.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 20px;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo a {
    color: var(--text-color);
    display: flex;
    align-items: center;
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-item {
    font-size: 16px;
    color: var(--text-color);
    font-weight: 600;
    position: relative;
    padding: 5px 0;
    transition: color 0.3s ease;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nav-item:hover {
    color: var(--primary-color);
}

.nav-item:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* Удаляем предыдущий эффект подчеркивания */
.nav-item:after {
    display: none;
}

.contact-nav {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    box-shadow: 0 5px 15px rgba(255, 87, 34, 0.2);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.contact-nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s ease;
    z-index: -1;
}

.contact-nav:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    transform: translateY(-3px);
}

.contact-nav:hover::before {
    left: 100%;
}

.theme-toggle, .mobile-menu-toggle {
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 20px;
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.theme-toggle:hover, .mobile-menu-toggle:hover {
    transform: rotate(15deg);
}

.mobile-menu-toggle {
    display: none;
}

/* Мобильное меню */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--block-bg);
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 999;
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    transform: translateY(-20px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-item {
    color: var(--text-color);
    font-weight: 600;
    font-size: 18px;
    padding: 10px 0;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-item:hover {
    color: var(--primary-color);
}

/* Шапка сайта */
.hero-section {
    background: linear-gradient(135deg, #FF5722, #E64A19);
    color: white;
    padding: 150px 0 80px;
    position: relative;
    margin-bottom: 40px;
    text-align: center;
    overflow: hidden;
}

.hero-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;base64,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');
    opacity: 0.5;
}

.hero-section:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, var(--bg-color), transparent);
}

.hero-section h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.5px;
    line-height: 1.2;
    color: white;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.hero-section p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.9;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

/* Информационные блоки */
.features-section {
    background: var(--bg-color);
    position: relative;
    overflow: hidden;
    padding-top: 100px;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 90% 10%, rgba(255, 87, 34, 0.08) 0%, transparent 70%);
    z-index: 0;
}

.info-blocks-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
    position: relative;
    z-index: 1;
}

.info-block {
    background: var(--block-bg);
    color: var(--block-text);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    line-height: 1.8;
    box-shadow: var(--card-shadow);
    text-align: left;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), background var(--transition-speed), color var(--transition-speed);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.info-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: height 0.4s ease;
}

.info-block:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px var(--shadow-color);
}

.info-block:hover::before {
    height: 7px;
}

.block-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto 25px;
    color: white;
    font-size: 28px;
    box-shadow: 0 10px 25px rgba(255, 87, 34, 0.3);
}

.info-block h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--primary-color);
    text-align: center;
    position: relative;
    padding-bottom: 15px;
    font-weight: 600;
}

.info-block h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
}

.info-block p {
    font-size: 1.1rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

.info-block ul {
    list-style-type: none;
    padding-left: 5px;
    margin-bottom: 20px;
}

.info-block ul li {
    font-size: 1.1rem;
    margin-bottom: 12px;
    position: relative;
    padding-left: 30px;
}

.info-block ul li:before {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    color: var(--primary-color);
    position: absolute;
    left: 0;
    transform: scale(0);
    animation: scaleIn 0.3s forwards;
}

@keyframes scaleIn {
    0% { transform: scale(0); }
    70% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Счетчики достижений */
.counter-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(255, 87, 34, 0.9), rgba(230, 74, 25, 0.9)), url('background-pattern.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    position: relative;
}

.counter-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
}

.counters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.counter-item {
    padding: 30px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(5px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.counter-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.counter-value {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(to right, #fff, #f5f5f5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.counter-label {
    font-size: 1.2rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

/* О нашем изделии */
.about-section {
    background: var(--bg-color);
    position: relative;
    padding: 100px 0;
}

/* Стили для слайдера О нашем изделии */
.about-slider-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    background: var(--block-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.about-slider {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
    display: flex;
    align-items: center;
    z-index: 1;
}

/* Принудительно показываем первый слайд */
.slide:first-child,
.slide.active {
    opacity: 1;
    z-index: 2;
}

.slide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    width: 100%;
    height: 100%;
    align-items: center;
    padding: 40px;
}

.slide-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
    transition: transform 0.5s ease;
}

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

.slide-text {
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.slide-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 700;
}

.slide-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 25px;
    color: var(--text-color);
    opacity: 0.9;
}

.slide-text ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.slide-text ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1rem;
    color: var(--text-color);
}

.slide-text ul li i {
    color: var(--primary-color);
    font-size: 16px;
    width: 20px;
}

/* Навигация слайдера */
.slider-navigation {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 10;
}

.slider-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 87, 34, 0.8);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: all;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.slider-btn:hover {
    background: var(--primary-color);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(255, 87, 34, 0.4);
}

.slider-btn:active {
    transform: scale(0.95);
}

/* Счетчик слайдов */
.slide-counter {
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 87, 34, 0.3);
    user-select: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 15;
}

.slide-counter span {
    color: var(--primary-color);
}

/* Индикаторы слайдов */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 20px;
    background: var(--block-bg);
    flex-wrap: wrap;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 87, 34, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    flex-shrink: 0;
}

.dot.active {
    background: var(--primary-color);
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(255, 87, 34, 0.5);
}

.dot:hover {
    background: rgba(255, 87, 34, 0.7);
    transform: scale(1.2);
}

/* Подсказка для слайдера */
.slider-hint {
    background: var(--block-bg);
    padding: 10px 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 87, 34, 0.2);
    opacity: 0.7;
    font-size: 0.85rem;
    transition: opacity 0.3s ease;
}

.about-slider-container:hover .slider-hint {
    opacity: 1;
}

.slider-hint p {
    margin: 5px 0;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.slider-hint i {
    color: var(--primary-color);
    font-size: 14px;
}

/* Responsive стили для слайдера */
@media (max-width: 768px) {
    .slide-content {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
        text-align: center;
    }
    
    .about-slider {
        height: auto;
        min-height: 600px;
    }
    
    .slide-image {
        height: 250px;
        order: 1;
    }
    
    .slide-text {
        order: 2;
        padding: 10px;
    }
    
    .slide-text h3 {
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
    
    .slide-text p {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .slider-navigation {
        padding: 0 15px;
    }
    
    .slide-counter {
        font-size: 12px;
        padding: 6px 12px;
    }
}

@media (max-width: 480px) {
    .about-slider {
        min-height: 500px;
    }
    
    .slide-content {
        padding: 15px;
        gap: 15px;
    }
    
    .slide-image {
        height: 200px;
    }
    
    .slide-text h3 {
        font-size: 1.3rem;
    }
    
    .slide-text p {
        font-size: 0.95rem;
    }
    
    .slide-text ul li {
        font-size: 0.9rem;
    }
    
    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    .dot {
        width: 8px;
        height: 8px;
    }
    
    .slider-dots {
        gap: 6px;
        padding: 15px;
    }
    
    .slider-hint {
        padding: 8px 15px;
        font-size: 0.8rem;
    }
    
    .slider-hint p:first-child {
        display: none; /* Скрываем подсказку про колесико на мобильных */
    }
    
    .slide-counter {
        font-size: 11px;
        padding: 5px 10px;
    }
}

/* Галерея */
.gallery-section {
    background: var(--bg-color);
    position: relative;
    padding: 100px 0;
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.tab-button {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--text-color);
    padding: 10px 25px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.tab-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 87, 34, 0.2), transparent);
    transition: left 0.7s ease;
    z-index: -1;
}

.tab-button.active, .tab-button:hover {
    background: var(--primary-color);
    color: white;
}

.tab-button:hover::before {
    left: 100%;
}

.tab-content {
    display: block;
    opacity: 1;
    transition: opacity 0.4s ease;
}

.tab-content.hidden {
    display: none;
    opacity: 0;
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
    transition: transform 0.5s ease;
}

.image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    aspect-ratio: 1/1;
}

.image-container:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.image-container:hover .image-overlay {
    transform: translateY(0);
}

.overlay-content h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: white;
}

.overlay-content p {
    font-size: 14px;
    opacity: 0.8;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.video-container video {
    width: 100%;
    display: block;
    transition: transform 0.4s;
}

/* FAQ секция */
.faq-section {
    background: var(--bg-color);
    position: relative;
    padding: 100px 0;
}

.accordion {
    max-width: 900px;
    margin: 0 auto;
}

.accordion-item {
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    background: var(--block-bg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: var(--block-bg);
    cursor: pointer;
    transition: background 0.3s ease;
    border-left: 5px solid var(--primary-color);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.accordion-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 87, 34, 0.05), transparent);
    transition: left 0.7s ease;
    z-index: -1;
}

.accordion-header:hover {
    background: rgba(255, 87, 34, 0.05);
}

.accordion-header:hover::before {
    left: 100%;
}

.accordion-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.accordion-icon {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item.active .accordion-content {
    padding: 20px 25px;
    max-height: none;
    overflow-y: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Обеспечиваем поддержку прокрутки на мобильных устройствах */
@media (max-width: 768px) {
    .accordion-item.active .accordion-content {
        max-height: 300px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* CTA секция */
.cta-section {
    background: linear-gradient(135deg, rgba(255, 87, 34, 0.8), rgba(230, 74, 25, 0.8)), url('cta-background.jpg');
    background-size: cover;
    background-position: center;
    padding: 100px 0;
    color: white;
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.cta-container {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: 2.8rem;
    margin-bottom: 25px;
    color: white;
}

.cta-section p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.contact-button {
    display: inline-block;
    min-width: 250px;
    padding: 18px 35px;
    text-align: center;
    background: linear-gradient(135deg, #ffffff, #f5f5f5);
    color: var(--primary-color);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    transition: transform 0.4s, box-shadow 0.4s;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.contact-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 87, 34, 0.2), transparent);
    transition: left 0.7s ease;
    z-index: -1;
}

.contact-button:hover {
    transform: translateY(-7px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.contact-button:hover::before {
    left: 100%;
}

/* Футер */
footer {
    background: var(--block-bg);
    color: var(--text-color);
    padding: 80px 0 20px;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.footer-info p {
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer-contact h4, .footer-social h4 {
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    color: var(--primary-color);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 14px;
}

/* Всплывающее окно и форма */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.4s;
}

.overlay.active {
    opacity: 1;
}

.popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--block-bg);
    color: var(--text-color);
    padding: 40px 35px;
    border-radius: var(--border-radius);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    text-align: center;
    z-index: 1001;
    width: 90%;
    max-width: 500px;
    opacity: 0;
    transition: transform 0.4s, opacity 0.4s;
}

.popup.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.popup h2 {
    margin-top: 0;
    margin-bottom: 25px;
    color: var(--primary-color);
    font-size: 2rem;
}

.close-popup {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 22px;
    cursor: pointer;
    transition: transform 0.3s;
}

.close-popup:hover {
    transform: rotate(90deg);
    color: var(--primary-color);
}

.contact-form {
    text-align: left;
}

.form-group {
    position: relative;
    margin-bottom: 15px;
}

.form-group input, 
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    font-size: 16px;
    padding: 15px 20px;
    border-radius: 15px;
    width: 100%;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(255, 87, 34, 0.2);
    outline: none;
}

/* Прогресс-бар для полей формы */
.form-group::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: width 0.4s ease;
    border-radius: 0 0 0 15px;
    z-index: 2;
}

.form-group:focus-within::after {
    width: 100%;
    border-radius: 0 0 15px 15px;
}

/* Дополнительные эффекты для полей формы */
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
    transition: opacity 0.3s;
}

.form-group input:focus::placeholder,
.form-group textarea:focus::placeholder {
    opacity: 0.5;
    transform: translateX(10px);
}

/* Индикатор валидации */
.form-group.valid::before {
    content: '✓';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #4CAF50;
    font-size: 16px;
    z-index: 2;
}

.form-group.invalid::before {
    content: '✗';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #F44336;
    font-size: 16px;
    z-index: 2;
}

/* Стилизованный прогресс-бар для загрузки */
.progress-wrapper {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    height: 6px;
    margin: 20px 0;
    overflow: hidden;
    position: relative;
}

.progress-bar-form {
    height: 100%;
    width: 0;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    transition: width 0.5s ease;
    position: relative;
}

.progress-bar-form::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to right,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: progressGlow 1.5s linear infinite;
}

@keyframes progressGlow {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Плавающая кнопка связи */
.contact-floating-btn {
    position: fixed !important;
    bottom: 90px !important;
    right: 30px !important;
    width: 50px !important;
    height: 50px !important;
    background: #FF5722 !important;
    color: white !important;
    border: none !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 5px 15px rgba(255, 87, 34, 0.3) !important;
    z-index: 999 !important;
    outline: none !important;
}

.contact-floating-btn:hover {
    background: #E64A19 !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 8px 20px rgba(255, 87, 34, 0.4) !important;
    color: white !important;
    text-decoration: none !important;
}

.contact-floating-btn:focus {
    outline: none !important;
    background: #E64A19 !important;
}

.contact-floating-btn i {
    font-size: 20px !important;
    color: white !important;
    display: block !important;
}

/* Адаптивность для мобильных устройств */
@media (max-width: 768px) {
    .contact-floating-btn {
        bottom: 80px !important;
        right: 20px !important;
        width: 45px !important;
        height: 45px !important;
    }
    
    .contact-floating-btn i {
        font-size: 18px !important;
    }
}

@media (max-width: 480px) {
    .contact-floating-btn {
        bottom: 70px !important;
        right: 15px !important;
        width: 42px !important;
        height: 42px !important;
    }
    
    .contact-floating-btn i {
        font-size: 16px !important;
    }
}



/* Кнопка прокрутки вверх */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s, transform 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 999;
}

.scroll-to-top.active {
    opacity: 1;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

/* Адаптивность для планшетов */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .hero-section {
        padding: 120px 0 60px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .primary-button, .secondary-button {
        width: 100%;
        max-width: 300px;
    }
    
    .info-blocks-container {
        gap: 25px;
    }
    
    .counter-value {
        font-size: 3rem;
    }
}

/* Адаптивные стили для мобильных устройств */
@media (max-width: 768px) {
    .main-nav .container {
        padding: 10px 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .hero-section {
        padding: 100px 0 50px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .info-block {
        padding: 25px 20px;
    }
    
    .info-block h3 {
        font-size: 1.5rem;
    }
    
    .counter-item {
        padding: 20px 15px;
    }
    
    .counter-value {
        font-size: 2.5rem;
    }
    
    .feature-item {
        font-size: 0.9rem;
    }
    
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .contact-button {
        width: 100%;
        max-width: 100%;
    }
    
    .footer-content {
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .hero-section h1 {
        font-size: 2rem;
        padding: 0 10px;
        word-break: break-word;
    }
    

    
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .video-controls {
        padding: 10px;
    }
    
    .controls-buttons {
        margin-right: 5px;
    }
    
    .video-btn {
        font-size: 14px;
        margin: 0 2px;
        padding: 3px;
    }
    
    .play-pause-btn {
        font-size: 16px;
    }
    
    .time-display {
        font-size: 12px;
        margin: 0 5px;
    }
    
    .progress-container {
        margin: 0 5px 10px;
        width: 100%;
        order: -1;
        height: 30px; /* Увеличиваем высоту контейнера */
    }
    
    .progress-bar {
        height: 10px; /* Увеличиваем высоту прогресс-бара */
        background-color: rgba(255, 255, 255, 0.4); /* Улучшаем контрастность */
    }
    
    .progress-container:hover .progress-bar {
        height: 12px;
    }
    
    .progress-filled {
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.7); /* Увеличиваем свечение */
    }
    
    /* Всегда показываем индикатор позиции на мобильных устройствах */
    .progress-filled::after {
        display: block;
        width: 12px;
        height: 12px;
        right: -6px;
    }
    
    .volume-container {
        min-width: auto;
        margin: 0 5px;
    }
    
    .volume-progress {
        width: 50px;
    }
}

@media (max-width: 480px) {
    .controls-buttons {
        flex: 1;
        justify-content: flex-start;
    }
    
    .time-display {
        flex: 1;
        justify-content: flex-end;
        margin-right: 5px;
    }
    
    .video-controls {
        padding: 8px;
    }
    
    .video-btn {
        font-size: 12px;
    }
    
    .play-pause-btn {
        font-size: 14px;
    }
    
    .volume-progress {
        width: 40px;
    }
    
    /* Добавляем отступ для больших пальцев */
    .progress-bar,
    .volume-progress {
        height: 12px; /* Ещё больше увеличиваем высоту на маленьких экранах */
    }
    
    .progress-container:hover .progress-bar,
    .volume-container:hover .volume-progress {
        height: 14px;
    }
    
    .progress-container {
        height: 35px; /* Увеличиваем область нажатия */
    }
    
    /* Улучшаем отображение ползунка */
    .progress-filled::after {
        width: 14px;
        height: 14px;
        right: -7px;
        box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
    }
    
    .progress-hover-time {
        top: -20px;
        font-size: 10px;
    }
    
    .scroll-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
}

/* Улучшение для сенсорных устройств */
@media (pointer: coarse) {
    .progress-bar,
    .volume-progress {
        height: 14px; /* Ещё увеличиваем для устройств с грубым касанием */
        background-color: rgba(255, 255, 255, 0.5); /* Ещё более контрастный фон */
    }
    
    .progress-container {
        height: 40px; /* Максимальная площадь для касания */
    }
    
    /* Улучшаем видимость заполненной части */
    .progress-filled {
        background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    }
    
    /* Всегда показываем более крупный индикатор для тач-устройств */
    .progress-filled::after {
        display: block;
        width: 16px;
        height: 16px;
        right: -8px;
        background-color: #fff;
        box-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
    }
    
    .video-btn {
        padding: 8px;
        margin: 0 3px;
    }
    
    /* Скрытие контролов на полноэкранных устройствах после паузы в использовании */
    .video-controls {
        transition: opacity 0.5s ease;
    }
}

/* Видеоплеер */
.custom-video-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.video-wrapper {
    position: relative;
    width: 100%;
    background-color: #000;
    aspect-ratio: 16/9;
    overflow: hidden;
}

#custom-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.5) 60%, transparent);
    padding: 15px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-wrapper:hover .video-controls,
.video-controls.active {
    opacity: 1;
}

.controls-buttons {
    display: flex;
    align-items: center;
    margin-right: 10px;
}

.progress-container {
    flex: 1;
    margin: 0 10px;
    height: 40px;
    display: flex;
    align-items: center;
    position: relative;
    width: 100%;
    margin-bottom: 10px;
    order: -1;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    position: relative;
    cursor: pointer;
    transition: height 0.2s ease;
}

.progress-filled {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.1s linear;
}

.progress-filled::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    display: none;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

.progress-container:hover .progress-filled::after {
    display: block;
}

.progress-container:hover .progress-bar {
    height: 10px;
}

.progress-hover-time {
    position: absolute;
    top: -25px;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 12px;
    display: none;
}

.volume-container {
    display: flex;
    align-items: center;
    min-width: 100px;
    margin: 0 10px;
}

.volume-progress {
    position: relative;
    width: 60px;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    cursor: pointer;
    transition: height 0.2s ease;
}

.volume-filled {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.1s linear;
}

.volume-container:hover .volume-progress {
    height: 10px;
}

.time-display {
    color: white;
    font-size: 14px;
    margin: 0 10px;
    font-weight: 500;
    white-space: nowrap;
}

.video-btn {
    background: none;
    border: none;
    color: white;
    font-size: 16px;
    cursor: pointer;
    padding: 5px;
    margin: 0 5px;
    transition: transform 0.2s ease;
}

.video-btn:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.play-pause-btn {
    font-size: 18px;
}

.fullscreen-btn {
    margin-left: auto;
}

.video-loading {
    display: none;
}

/* Медиа-запросы для видеоплеера */
@media (max-width: 768px) {
    .video-controls {
        padding: 10px;
    }
    
    .controls-buttons {
        margin-right: 5px;
    }
    
    .video-btn {
        font-size: 14px;
        margin: 0 2px;
        padding: 3px;
    }
    
    .play-pause-btn {
        font-size: 16px;
    }
    
    .time-display {
        font-size: 12px;
        margin: 0 5px;
    }
    
    .progress-container {
        margin: 0 5px 10px;
        width: 100%;
        order: -1;
        height: 30px;
    }
    
    .progress-bar {
        height: 10px;
        background-color: rgba(255, 255, 255, 0.4);
    }
    
    .progress-container:hover .progress-bar {
        height: 12px;
    }
    
    .progress-filled {
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.7);
    }
    
    .progress-filled::after {
        display: block;
        width: 12px;
        height: 12px;
        right: -6px;
    }
    
    .volume-container {
        min-width: auto;
        margin: 0 5px;
    }
    
    .volume-progress {
        width: 50px;
    }
}

@media (max-width: 480px) {
    .controls-buttons {
        flex: 1;
        justify-content: flex-start;
    }
    
    .time-display {
        flex: 1;
        justify-content: flex-end;
        margin-right: 5px;
    }
    
    .video-controls {
        padding: 8px;
    }
    
    .video-btn {
        font-size: 12px;
    }
    
    .play-pause-btn {
        font-size: 14px;
    }
    
    .volume-progress {
        width: 40px;
    }
    
    .progress-bar,
    .volume-progress {
        height: 12px;
    }
    
    .progress-container:hover .progress-bar,
    .volume-container:hover .volume-progress {
        height: 14px;
    }
    
    .progress-hover-time {
        top: -20px;
        font-size: 10px;
    }
}

/* Улучшение для сенсорных устройств */
@media (pointer: coarse) {
    .progress-bar,
    .volume-progress {
        height: 14px;
        background-color: rgba(255, 255, 255, 0.5);
    }
    
    .progress-container {
        height: 40px;
    }
    
    .progress-filled {
        background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    }
    
    .progress-filled::after {
        display: block;
        width: 16px;
        height: 16px;
        right: -8px;
        background-color: #fff;
        box-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
    }
    
    .video-btn {
        padding: 8px;
        margin: 0 3px;
    }
    
    .video-controls {
        transition: opacity 0.5s ease;
    }
}

/* Стили для кнопки отправки формы */
.form-submit-btn {
    display: inline-block;
    padding: 15px 35px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    width: 100%;
    margin-top: 20px;
    box-shadow: 0 5px 15px rgba(255, 87, 34, 0.3);
}

.form-submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s ease;
    z-index: 1;
}

.form-submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 87, 34, 0.4);
}

.form-submit-btn:hover::before {
    left: 100%;
}

.form-submit-btn:active {
    transform: translateY(1px);
}

/* Анимации для формы */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.form-group {
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }

.form-submit-btn {
    animation: fadeInUp 0.5s ease forwards;
    animation-delay: 0.5s;
    opacity: 0;
}

.form-error {
    animation: shake 0.5s ease-in-out;
}

/* Анимация успешной отправки */
@keyframes successFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.form-success {
    animation: successFadeIn 0.5s ease forwards;
}

.form-success i {
    animation: successFadeIn 0.5s ease forwards;
    animation-delay: 0.2s;
}

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

.form-submit-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: loading 0.8s infinite linear;
}

.form-submit-btn.loading {
    color: transparent;
    pointer-events: none;
}

/* Стили для лайтбокса */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
    justify-content: center;
    align-items: center;
}

.lightbox.active {
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    text-align: center;
}

#lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 5px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.lightbox-caption {
    color: white;
    padding: 10px 20px;
    margin-top: 15px;
    text-align: center;
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.lightbox-caption h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.lightbox-caption p {
    font-size: 14px;
    opacity: 0.8;
    margin: 0;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: -40px;
    background: none;
    border: none;
    color: white;
    font-size: 30px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 10010;
}

.lightbox-close:hover {
    opacity: 1;
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: white;
    font-size: 24px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
    z-index: 10010;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-nav:hover {
    background: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 24px;
}

@media (max-width: 768px) {
    .lightbox-close {
        top: 10px;
        right: 10px;
        font-size: 24px;
    }
    
    .lightbox-nav {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
    
    .lightbox-caption {
        padding: 5px 10px;
    }
}

/* Анимация для лайтбокса */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Стили для отображения ошибок в форме */
.form-errors {
    background-color: rgba(244, 67, 54, 0.1);
    border-left: 4px solid #F44336;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    color: #F44336;
    font-size: 14px;
    animation: fadeInUp 0.5s ease forwards;
}

.form-errors ul {
    margin: 0;
    padding-left: 20px;
}

.form-errors li {
    margin-bottom: 5px;
}

.form-errors.form-error {
    animation: shake 0.5s ease-in-out;
}

/* Стилизация обязательных полей */
.form-group input:required, 
.form-group textarea:required {
    border-left: 3px solid var(--primary-color);
}

/* Дополнительное подсвечивание невалидных полей */
.form-group.invalid input,
.form-group.invalid textarea {
    border-color: #F44336;
    box-shadow: 0 0 10px rgba(244, 67, 54, 0.2);
}

/* Индикатор успешной валидации */
.form-group.valid input,
.form-group.valid textarea {
    border-color: #4CAF50;
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.2);
}

/* Стили для светлой темы модального окна и формы */
.dark-mode .popup {
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.dark-mode .form-group input, 
.dark-mode .form-group textarea {
    background: rgba(0, 0, 0, 0.03) !important;
    border: 2px solid rgba(0, 0, 0, 0.1) !important;
}

.dark-mode .form-group input:focus,
.dark-mode .form-group textarea:focus {
    box-shadow: 0 0 15px rgba(255, 87, 34, 0.15) !important;
    background: rgba(0, 0, 0, 0.05) !important;
}

.dark-mode .form-group input::placeholder,
.dark-mode .form-group textarea::placeholder {
    color: rgba(0, 0, 0, 0.4) !important;
}

.dark-mode .form-group input:focus::placeholder,
.dark-mode .form-group textarea:focus::placeholder {
    color: rgba(0, 0, 0, 0.5) !important;
    opacity: 1 !important;
    transform: translateX(10px) !important;
}

.dark-mode .progress-wrapper {
    background: rgba(0, 0, 0, 0.05);
}

/* ПРИНУДИТЕЛЬНЫЕ СТИЛИ ДЛЯ КНОПКИ - В КОНЦЕ ФАЙЛА */
button.contact-floating-btn,
.contact-floating-btn {
    position: fixed !important;
    bottom: 90px !important;
    right: 30px !important;
    width: 50px !important;
    height: 50px !important;
    background: #FF5722 !important;
    color: white !important;
    border: none !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 5px 15px rgba(255, 87, 34, 0.3) !important;
    z-index: 9999 !important;
    outline: none !important;
    opacity: 1 !important;
    visibility: visible !important;
}

button.contact-floating-btn:hover,
.contact-floating-btn:hover {
    background: #E64A19 !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 8px 20px rgba(255, 87, 34, 0.4) !important;
    color: white !important;
    text-decoration: none !important;
}

button.contact-floating-btn i,
.contact-floating-btn i {
    font-size: 20px !important;
    color: white !important;
    display: block !important;
}

/* ЭКСТРЕННЫЙ ТЕСТ-СТИЛЬ - КРАСНАЯ КНОПКА ДЛЯ ПРОВЕРКИ */
button[class*="contact-floating"] {
    background: red !important;
    border: none !important;
    position: fixed !important;
    bottom: 90px !important;
    right: 30px !important;
    width: 50px !important;
    height: 50px !important;
    border-radius: 50% !important;
    display: block !important;
    z-index: 99999 !important;
    opacity: 1 !important;
    visibility: visible !important;
}