* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #e74c3c;
    --secondary-color: #2c3e50;
    --accent-color: #f39c12;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 10px 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    flex-direction: column;
    font-weight: 800;
    cursor: pointer;
}

.logo-text {
    font-size: 28px;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.logo-subtext {
    font-size: 12px;
    color: var(--text-light);
    letter-spacing: 3px;
    margin-top: -5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.burger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    background-image: url('https://images.unsplash.com/photo-1555507036-ab1f4038808a?w=1920&h=1080&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    text-align: center;
    margin-top: 70px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 62, 80, 0.8);
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    font-weight: 300;
}

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

.btn {
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn-primary:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 15px;
    position: relative;
    animation: scroll 2s infinite;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 10px;
    background: var(--white);
    border-radius: 2px;
}

@keyframes scroll {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

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

/* Advantages Section */
.advantages {
    padding: 80px 0;
    background: var(--white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.advantage-card p {
    color: var(--text-light);
    font-size: 14px;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 60px;
}

/* Catalog Section */
.catalog {
    background: var(--bg-light);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.product-info {
    padding: 25px;
}

.product-title {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.product-description {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 14px;
}

.product-features {
    list-style: none;
    margin-bottom: 20px;
}

.product-features li {
    padding: 5px 0;
    color: var(--text-light);
    font-size: 14px;
}

.product-features li::before {
    content: '✓ ';
    color: var(--primary-color);
    font-weight: bold;
}

.btn-product {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
}

.btn-product:hover {
    background: #c0392b;
}

/* About Section */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.about-text {
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

.certificates {
    text-align: center;
    padding: 60px 0;
    background: var(--bg-light);
    border-radius: 15px;
}

.certificates-title {
    font-size: 28px;
    margin-bottom: 40px;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.certificate-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.certificate-icon {
    font-size: 50px;
    margin-bottom: 15px;
}

/* Vacancies Section */
.vacancies {
    background: var(--bg-light);
}

.vacancies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.vacancy-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.vacancy-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.vacancy-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.vacancy-title {
    font-size: 20px;
    color: var(--text-dark);
}

.vacancy-salary {
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.vacancy-info {
    margin-bottom: 20px;
}

.vacancy-location,
.vacancy-type {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 5px;
}

.vacancy-requirements {
    list-style: none;
    margin-bottom: 20px;
}

.vacancy-requirements li {
    padding: 5px 0;
    color: var(--text-light);
    font-size: 14px;
}

.vacancy-requirements li::before {
    content: '• ';
    color: var(--primary-color);
    font-weight: bold;
}

.btn-vacancy {
    width: 100%;
    padding: 12px;
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
}

.btn-vacancy:hover {
    background: #1a252f;
}

.vacancy-cta {
    text-align: center;
    background: var(--white);
    padding: 50px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.vacancy-cta h3 {
    font-size: 28px;
    margin-bottom: 15px;
}

.vacancy-cta p {
    color: var(--text-light);
    margin-bottom: 30px;
}

/* Suppliers Section */
.suppliers {
    background: var(--white);
}

.suppliers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.supplier-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s;
}

.supplier-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.supplier-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.supplier-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.supplier-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
}

.suppliers-info {
    background: var(--bg-light);
    padding: 50px;
    border-radius: 15px;
}

.suppliers-info h3 {
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
}

.suppliers-requirements {
    list-style: none;
    margin-bottom: 40px;
}

.suppliers-requirements li {
    padding: 10px 0;
    font-size: 16px;
    color: var(--text-dark);
}

.suppliers-cta {
    text-align: center;
    padding-top: 30px;
    border-top: 2px solid #ddd;
}

.suppliers-cta p {
    margin-bottom: 15px;
    color: var(--text-light);
}

.suppliers-email {
    display: inline-block;
    font-size: 24px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 10px;
}

.suppliers-email:hover {
    text-decoration: underline;
}

.suppliers-phone {
    font-size: 20px;
    color: var(--text-dark);
    font-weight: 600;
}

/* Contacts Section */
.contacts {
    background: var(--bg-light);
}

.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.8;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-item a:hover {
    color: #c0392b;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Montserrat', sans-serif;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.map {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-link {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    transition: background 0.3s;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .burger {
        display: flex;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .about-grid,
    .contacts-grid {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 600px) {
    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 32px;
    }

    .hero-buttons {
        flex-direction: column;
    }

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