/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.8;
    font-size: 17px;
    color: #333;
    background-color: #fff;
    cursor: auto;
}

/* Default system cursor restored */



/* Larger on high-DPI screens */
@media (min-resolution: 2dppx) {
    .cursor { width: 44px; height: 44px; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .cursor__plane { transition: none; }
}

/* Typography */
p {
    margin: 0 0 1rem;
    line-height: 1.8;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.25;
    margin: 0 0 0.75rem;
}

ul, ol {
    padding-left: 1.2rem;
    margin: 0 0 1rem;
}

li {
    margin: 0.25rem 0;
    line-height: 1.7;
}

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

/* Default system cursor restored */

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header--scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.logo span {
    font-size: 0.875rem;
    color: #6b7280;
    font-weight: 400;
}

/* Navigation */
.nav__list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav__list a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav__list a:hover {
    color: #1f2937;
}

.nav__list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #1f2937;
    transition: width 0.3s ease;
}

.nav__list a:hover::after {
    width: 100%;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #1f2937;
    transition: all 0.3s ease;
}

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

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

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    overflow: hidden;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero__video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(31, 41, 55, 0.8) 0%, rgba(55, 65, 81, 0.6) 100%);
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
    margin: 0 auto;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero__subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    margin-bottom: 2.5rem;
    opacity: 0.9;
    font-weight: 400;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn--primary {
    background: #6b7280;
    color: white;
}

.btn--primary:hover {
    background: #4b5563;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section--alt {
    background: #f9fafb;
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.section__header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.section__header p {
    font-size: 1.1rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.news-card__image {
    height: 220px;
    overflow: hidden;
}

.news-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-card:hover .news-card__image img {
    transform: scale(1.05);
}

.news-card__content {
    padding: 1.5rem;
}

.news-card__date {
    font-size: 0.875rem;
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.news-card__content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.75rem;
}

.news-card__content p {
    color: #6b7280;
    line-height: 1.6;
    font-size: 1rem;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.about-text h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin: 1.5rem 0 0.75rem 0;
}

.about-text p {
    font-size: 1.1rem;
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
}

.stat__number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.stat__label {
    font-size: 0.875rem;
    color: #6b7280;
    font-weight: 500;
}

.about-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.about-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.about-gallery img {
    width: 100%;
    height: 160px;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: #fff;
    padding: 8px;
}

.about-gallery img:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

@media (max-width: 768px) {
    .about-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-gallery img {
        height: 130px;
    }
}

.about-details h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1f2937;
    margin: 1.5rem 0 0.75rem 0;
}

.about-details h4:first-child {
    margin-top: 0;
}

.about-details p {
    font-size: 1rem;
    color: #4b5563;
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Equipment Grid */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.equipment-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.equipment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.equipment-card__image {
    height: 220px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
}

.equipment-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
    padding: 10px;
}

.equipment-card:hover .equipment-card__image img {
    transform: scale(1.05);
}

.equipment-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin: 1.5rem 1.5rem 0.75rem;
}

.equipment-card p {
    color: #6b7280;
    margin: 0 1.5rem 1.5rem;
    line-height: 1.6;
    font-size: 1rem;
}

/* Semis Grid */
.semis-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.semis-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.semis-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.semis-card__image {
    height: 220px;
    overflow: hidden;
}

.semis-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.semis-card:hover .semis-card__image img {
    transform: scale(1.05);
}

.semis-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin: 1.5rem 1.5rem 0.75rem;
}

.semis-card p {
    color: #6b7280;
    margin: 0 1.5rem 1.5rem;
    line-height: 1.6;
    font-size: 1rem;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.product-card__image {
    height: 220px;
    overflow: hidden;
}

.product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-card__image img {
    transform: scale(1.05);
}

.product-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin: 1.5rem 1.5rem 0.75rem;
}

.product-card p {
    color: #6b7280;
    margin: 0 1.5rem 1.5rem;
    line-height: 1.6;
    font-size: 1rem;
}

/* Partners Grid */
.partners-grid {
    position: relative;
    overflow: hidden;
    height: 120px;
    display: flex;
    align-items: center;
}

.partners-track {
    display: flex;
    gap: 3rem;
    animation: scroll-partners 50s linear infinite;
    width: max-content;
}

.partner-logo {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
    min-width: 200px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.partner-logo:hover img {
    filter: grayscale(0%);
}

@keyframes scroll-partners {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Contacts */
.contacts-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: #6b7280;
    line-height: 1.6;
    font-size: 1rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.75rem;
}

.contact-form p {
    color: #6b7280;
    line-height: 1.6;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1f2937;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Map */
.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    width: 100%;
    height: 450px;
    border: none;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer__info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer__info p {
    color: #d1d5db;
    line-height: 1.6;
}

.footer__links h4,
.footer__contact h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer__links ul {
    list-style: none;
}

.footer__links li {
    margin-bottom: 0.5rem;
}

.footer__links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer__links a:hover {
    color: white;
}

.footer__contact p {
    color: #d1d5db;
    margin-bottom: 0.5rem;
}

.footer__bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid #e5e7eb;
        padding: 2rem;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
    }

    .nav--open {
        transform: translateY(0);
    }

    .nav__list {
        flex-direction: column;
        gap: 1.5rem;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        height: 80vh;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .contacts-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer__content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .news-grid,
    .equipment-grid,
    .semis-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .section {
        padding: 3rem 0;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

/* Smooth scrolling for anchor links */
html {
    scroll-padding-top: 80px;
}

/* Additional hover effects */
.news-card,
.equipment-card,
.semis-card,
.product-card,
.partner-logo {
    cursor: pointer;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.modal--open {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modal-fade-in 0.3s ease;
}

.modal__content {
    background: white;
    border-radius: 16px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modal-slide-in 0.3s ease;
}

.modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.modal__close:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.modal__image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    border-radius: 16px 16px 0 0;
}

.modal__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal__body {
    padding: 2rem;
}

.modal__date {
    font-size: 0.875rem;
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.modal__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.modal__text {
    font-size: 1.1rem;
    color: #4b5563;
    line-height: 1.7;
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.modal__text img {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
}

/* First-line indent for paragraphs ("красные строки") */
.modal__text p {
    text-indent: 1.5em;
    margin: 0 0 0.75rem;
}

/* Make text blocks span full width in multi-column layout */
.modal__text p,
.modal__text ul {
    grid-column: 1 / -1;
}

/* Image span utility classes work inside the modal text container */
.modal__text img.span-1 { grid-column: span 1; }
.modal__text img.span-2 { grid-column: span 2; }
.modal__text img.span-3 { grid-column: span 3; }

@media (min-width: 640px) {
    .modal__text { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
    .modal__text { grid-template-columns: repeat(3, 1fr); }
}

/* Grid for grouped images appended after text */
.modal__images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-top: 1rem;
}

.modal__images img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

/* Make selected images span more columns to appear larger */
.modal__images img.span-2 { grid-column: span 2; }
.modal__images img.span-3 { grid-column: span 3; }

@keyframes modal-fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes modal-slide-in {
    from {
        transform: translateY(-50px) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Focus states for accessibility */
.btn:focus,
.nav__list a:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: 2px solid #1f2937;
    outline-offset: 2px;
}