/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    z-index: -1;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white) !important;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white) !important;
    transform: translateY(-2px);
}

.btn-text {
    background: transparent;
    color: var(--white);
    padding: 14px 28px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-text:hover {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}



/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.header.scrolled {
    padding: 15px 0;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    transition: var(--transition);
}

.logo:hover .logo-icon {
    transform: rotate(15deg);
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.nav ul {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-link {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 3D Section */
.products-3d-section {
    height: 220vh;
    background: url('fon.png') center/cover no-repeat;
    margin-top: 80px;
}

.products-3d-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
}

#threeJsContainer {
    position: absolute;
    inset: 0;
    z-index: 1;
}

/* 3D Text Overlays */
.scene-label {
    position: absolute;
    top: 42%;
    left: 50%;
    transform: translate(-50%, -50%);
    letter-spacing: 0.35em;
    font-size: 1.3rem;
    opacity: 0;
    transition: opacity 0.8s ease;
    z-index: 3;
    color: var(--white);
    font-family: 'Manrope', sans-serif;
    font-weight: 600;
}

.scene-label.visible { opacity: 1; }

.scene-side {
    position: absolute;
    top: 50%;
    font-size: 1.2rem;
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
    z-index: 3;
    color: var(--white);
    font-family: 'Manrope', sans-serif;
    font-weight: 500;
    background: rgba(0, 0, 0, 0.5);
    padding: 15px 25px;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.scene-side.left {
    left: 8%;
    transform: translateX(-20px);
}

.scene-side.right {
    right: 8%;
    transform: translateX(20px);
}

.scene-side.visible {
    opacity: 1;
    transform: translateX(0);
}

.scene-final {
    position: absolute;
    bottom: 14%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    opacity: 0;
    transition: opacity 1s ease;
    z-index: 3;
    color: var(--white);
    background: rgba(0, 0, 0, 0.7);
    padding: 40px;
    border-radius: 20px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 600px;
    width: 90%;
}

.scene-final.visible { opacity: 1; }

.scene-final h2 {
    font-size: 2.4rem;
    letter-spacing: 0.18em;
    margin: 0;
    background: linear-gradient(45deg, #FFE5B4, #FF9F1C);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.scene-final p {
    opacity: 0.9;
    margin-top: 10px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    overflow: hidden;
    padding-top: 100px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    max-width: 600px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 25px;
    line-height: 1.1;
}

.title-line {
    display: block;
}

.title-line.accent {
    background: linear-gradient(45deg, #FFE5B4, #FF9F1C);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 8px;
    background: linear-gradient(45deg, #FFFFFF, #FFE5B4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.8;
    font-weight: 500;
}

/* Floating Cards */
.hero-visual {
    position: relative;
    height: 520px;
    width: 100%;
    perspective: 1000px;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 25px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.25);
    width: 300px;
    overflow: hidden;
    transition: var(--transition);
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.02);
    background: rgba(255, 255, 255, 0.2);
}

.card-1 {
    top: 0;
    left: 0;
}

.card-2 {
    top: 120px;
    right: 0;
}

.card-3 {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.card-image {
    width: 140px;
    height: 140px;
    border-radius: 20px;
    overflow: hidden;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    position: absolute;
    top: 0;
    left: 0;
    /* Добавьте это для стабильности: */
    min-width: 100%;
    min-height: 100%;
    display: block;
}

.floating-card:hover .card-image img {
    transform: scale(1.1);
}

.fallback-icon {
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.card-content {
    text-align: center;
}

.card-content h4 {
    margin-bottom: 8px;
    font-size: 1.2rem;
    font-weight: 600;
}

.card-content p {
    font-size: 0.95rem;
    opacity: 0.9;
    font-weight: 400;
}

/* Features */
.features {
    display: flex;
    flex-direction: column;
    gap: 35px;
    margin: 45px 0;
}

.feature {
    display: flex;
    gap: 25px;
    align-items: flex-start;
    padding: 20px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.feature:hover {
    background: rgba(255, 107, 53, 0.05);
    transform: translateX(10px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 159, 28, 0.1));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.8rem;
    flex-shrink: 0;
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.feature-content h4 {
    margin-bottom: 12px;
    color: var(--dark);
    font-size: 1.3rem;
}

.feature-content p {
    color: var(--gray);
    line-height: 1.7;
    font-size: 1rem;
}

/* Products Controls */
.products-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
    gap: 30px;
    flex-wrap: wrap;
}

.categories {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 14px 28px;
    border: 2px solid #E5E7EB;
    border-radius: 50px;
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.category-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.1);
}

.category-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.3);
}

.products-search {
    display: flex;
    gap: 20px;
    align-items: center;
}

.search-box {
    position: relative;
    min-width: 320px;
}

.search-input {
    width: 100%;
    padding: 16px 20px 16px 52px;
    border: 2px solid #E5E7EB;
    border-radius: 50px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
    background: var(--white);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: 1.1rem;
}

.refresh-products {
    padding: 14px 28px;
    background: linear-gradient(135deg, #28a745, #20c997);
    color: var(--white);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.refresh-products:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.4);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 35px;
    margin-bottom: 60px;
}

/* Flip Card */
.flip-card {
    perspective: 1500px;
    height: 520px;
    position: relative;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
}

.flip-card.flipped .card-inner {
    transform: rotateY(180deg);
}

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 24px;
    box-shadow: var(--shadow);
    background: var(--white);
    overflow: hidden;
}

.card-back {
    transform: rotateY(180deg);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    display: flex;
    flex-direction: column;
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    z-index: 2;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.product-badge.in-stock {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: var(--white);
}

.product-badge.out-of-stock {
    background: linear-gradient(135deg, #dc3545, #fd7e14);
    color: var(--white);
}

.product-image-container {
    height: 220px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    position: relative;
    overflow: hidden;
}

.product-image-real {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.flip-card:hover .product-image-real {
    transform: scale(1.05);
}

.image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.image-placeholder i {
    font-size: 3.5rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.product-content {
    padding: 30px;
    height: calc(100% - 220px);
    display: flex;
    flex-direction: column;
    position: relative;
    padding-bottom: 70px; /* Место для кнопки */
}

.product-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--dark);
    line-height: 1.3;
    font-weight: 700;
}

.product-description {
    color: var(--gray);
    margin-bottom: 15px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 1rem;
    flex-grow: 1;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #E5E7EB;
}

.price {
    font-size: 1.8rem;
    font-weight: 800;
    color: #28a745;
    background: linear-gradient(135deg, #28a745, #20c997);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.weight {
    color: var(--gray);
    font-size: 0.95rem;
    font-weight: 500;
}

.product-availability {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 0.95rem;
    font-weight: 500;
}

.availability.in-stock {
    color: #28a745;
}

.availability.out-of-stock {
    color: #dc3545;
}

/* Кнопка Состав */
.composition-btn-wrapper {
    position: absolute;
    bottom: 20px;
    right: 20px;
    left: 20px;
    display: flex;
    justify-content: flex-end;
}

.composition-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white) !important;
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
}

.composition-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.3);
}

.composition-btn i {
    transition: transform 0.3s ease;
}

.composition-btn:hover i {
    transform: rotate(180deg);
}

/* Обратная сторона карточки */
.composition {
    padding: 35px;
    flex: 1;
    overflow-y: auto;
}

.composition h4 {
    margin-bottom: 30px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    position: relative;
    padding-bottom: 15px;
}

.composition h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.composition-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.composition-list li {
    padding: 18px 25px;
    margin-bottom: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border-left: 4px solid rgba(255, 255, 255, 0.3);
    word-wrap: break-word;
    line-height: 1.6;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.composition-list li:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.composition-loading, .no-composition {
    text-align: center;
    padding: 50px 25px;
    color: rgba(255, 255, 255, 0.8);
}

.loading-spinner-small {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top: 4px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.no-composition i, .composition-loading i {
    font-size: 3.5rem;
    margin-bottom: 20px;
    opacity: 0.7;
}

.product-weight-back {
    padding: 0 35px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    opacity: 0.9;
}

.back-btn-wrapper {
    padding: 0 35px 35px;
    margin-top: auto;
}

.back-btn {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Products Actions */
.products-actions {
    text-align: center;
    margin-top: 30px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

.modal-content {
    background: var(--white);
    padding: 50px;
    border-radius: 28px;
    max-width: 520px;
    width: 100%;
    position: relative;
    transform: translateY(-20px);
    animation: modalSlideIn 0.4s ease forwards;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

@keyframes modalSlideIn {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-modal {
    position: absolute;
    top: 25px;
    right: 25px;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--gray);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.close-modal:hover {
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary);
    transform: rotate(90deg);
}

.modal-content h2 {
    margin-bottom: 35px;
    text-align: center;
    color: var(--dark);
    font-size: 2.2rem;
}

/* Notification System */
.notification {
    position: fixed;
    top: 30px;
    right: 30px;
    min-width: 320px;
    max-width: 400px;
    padding: 20px 25px;
    border-radius: 16px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    animation: slideIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.notification-success {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.9), rgba(46, 125, 50, 0.9));
}

.notification-error {
    background: linear-gradient(135deg, rgba(244, 67, 54, 0.9), rgba(183, 28, 28, 0.9));
}

.notification-info {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.9), rgba(13, 71, 161, 0.9));
}

.notification-warning {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.9), rgba(245, 124, 0, 0.9));
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.notification-content i {
    font-size: 1.4rem;
}

.notification-close {
    margin-left: auto;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    padding: 5px;
    border-radius: 5px;
    transition: var(--transition);
    font-size: 1.1rem;
}

.notification-close:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Page Loading Animation */
.page-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;

}

.page-loading.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-logo {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 30px;
    animation: pulseLogo 2s ease-in-out infinite;
}

@keyframes pulseLogo {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

/* Медиа-запросы для адаптации под мобильные устройства */
@media (max-width: 768px) {
    /* Адаптация секции "О нас" для мобильных */
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    /* Перестраиваем сетку изображений для мобильных */
    .image-grid {
        display: flex; /* Меняем grid на flex */
        flex-direction: column; /* Вертикальное расположение */
        gap: 20px;
        height: auto;
    }
    
    /* Делаем ВСЕ три картинки одинакового размера */
    .image-item {
        width: 100%;
        height: 250px; /* Одинаковая высота для всех */
        border-radius: 15px;
    }
    
    /* Убираем различия между классами на мобильных */
    .main-image,
    .side-image {
        width: 100%;
        height: 250px; /* Одинаковая высота */
        grid-column: unset;
        grid-row: unset;
    }
    
    /* Гарантируем, что изображения заполняют контейнер правильно */
    .image-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    /* Адаптация текстового контента */
    .section-title {
        font-size: 1.8rem;
        text-align: center;
    }
    
    .about-description {
        text-align: center;
    }
    
    .features {
        gap: 20px;
        margin: 30px 0;
    }
    
    .feature {
        flex-direction: column;
        text-align: center;
        padding: 15px;
        gap: 15px;
    }
    
    .feature-icon {
        margin: 0 auto;
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .about-actions {
        flex-direction: column;
        gap: 15px;
        margin-top: 30px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
    }
}

@media (max-width: 480px) {
    /* Для самых маленьких экранов */
    .image-item {
        height: 220px; /* Чуть меньше на очень маленьких экранах */
    }
    
    .main-image,
    .side-image {
        height: 220px;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .about-description {
        font-size: 1rem;
    }
    
    .feature {
        padding: 12px;
        gap: 12px;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
}