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

:root {
    --primary-dark: #0f172a;
    --secondary-dark: #1e293b;
    --accent-orange: #f97316;
    --accent-red: #dc2626;
    --metal-gray: #334155;
    --light-metal: #475569;
    --bg-dark: #0a0e1a;
    --bg-card: #1a1f2e;
    --text-light: #e2e8f0;
    --text-muted: #94a3b8;
    --border-metal: #334155;
    --shadow-dark: rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    line-height: 1.7;
    color: var(--text-light);
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--secondary-dark) 100%);
    min-height: 100vh;
}

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

/* Header Styles - Автомобильный стиль */
header {
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    border-bottom: 3px solid var(--accent-orange);
    padding: 1.2rem 0;
    box-shadow: 0 4px 20px var(--shadow-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    text-decoration: none;
    color: var(--accent-orange);
    font-size: 1.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
    text-shadow: 0 0 10px rgba(249, 115, 22, 0.3);
}

.logo:hover {
    color: var(--text-light);
    text-shadow: 0 0 15px rgba(249, 115, 22, 0.6);
    transform: scale(1.05);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    padding: 0.6rem 1rem;
    border-radius: 4px;
    transition: all 0.3s;
    position: relative;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

nav a:hover {
    background: var(--metal-gray);
    color: var(--accent-orange);
}

nav a.active {
    background: var(--accent-orange);
    color: var(--primary-dark);
    box-shadow: 0 0 15px rgba(249, 115, 22, 0.4);
}

nav a.active::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-orange);
}

.mobile-menu-toggle {
    display: none;
    background: var(--metal-gray);
    border: 2px solid var(--accent-orange);
    color: var(--accent-orange);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem 0.8rem;
    border-radius: 4px;
    transition: all 0.3s;
}

.mobile-menu-toggle:hover {
    background: var(--accent-orange);
    color: var(--primary-dark);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    background: var(--secondary-dark);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 1rem;
    box-shadow: 0 8px 25px var(--shadow-dark);
    border-top: 2px solid var(--accent-orange);
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.mobile-menu a {
    padding: 1rem;
    border-bottom: 1px solid var(--border-metal);
    color: var(--text-light);
    text-transform: uppercase;
    font-weight: 600;
    transition: all 0.3s;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    background: var(--accent-orange);
    color: var(--primary-dark);
    padding-left: 1.5rem;
}

/* Main Content */
main {
    min-height: calc(100vh - 300px);
    padding: 3rem 0;
}

.hero {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--metal-gray) 100%);
    padding: 4rem 0;
    text-align: center;
    margin-bottom: 3rem;
    border: 2px solid var(--border-metal);
    border-radius: 8px;
    box-shadow: 0 8px 30px var(--shadow-dark);
}

.hero h1 {
    font-size: 3rem;
    color: var(--accent-orange);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(249, 115, 22, 0.3);
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.content-section {
    margin-bottom: 4rem;
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-metal);
    box-shadow: 0 4px 15px var(--shadow-dark);
}

.content-section h1 {
    color: var(--accent-orange);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-bottom: 3px solid var(--accent-orange);
    padding-bottom: 1rem;
}

.content-section h2 {
    color: var(--accent-orange);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    margin-top: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--metal-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.content-section h3 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-orange);
}

.content-section p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    line-height: 1.9;
    font-size: 1.05rem;
}

.content-section ul,
.content-section ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    line-height: 2;
}

.content-section li {
    margin-bottom: 0.5rem;
}

/* Maintenance List - без чекбоксов */
.maintenance-list {
    background: var(--bg-dark);
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
    border-left: 4px solid var(--accent-orange);
}

.maintenance-item {
    display: flex;
    align-items: flex-start;
    padding: 1.2rem;
    margin-bottom: 1rem;
    background: var(--bg-card);
    border-radius: 6px;
    border: 1px solid var(--border-metal);
    transition: all 0.3s;
}

.maintenance-item:hover {
    border-color: var(--accent-orange);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.2);
}

.maintenance-icon {
    width: 24px;
    height: 24px;
    background: var(--accent-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-weight: bold;
    margin-right: 1rem;
    flex-shrink: 0;
    font-size: 0.75rem;
}

.maintenance-item-content {
    flex: 1;
}

.maintenance-item-content strong {
    color: var(--accent-orange);
    display: block;
    margin-bottom: 0.3rem;
    font-size: 1.1rem;
}

.maintenance-item-content span {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Infographic Styles */
.infographic {
    background: var(--bg-dark);
    border: 2px solid var(--border-metal);
    border-radius: 8px;
    padding: 2rem;
    margin: 2rem 0;
}

.infographic-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--accent-orange);
    background: var(--bg-card);
    border-radius: 6px;
    transition: all 0.3s;
}

.infographic-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.2);
}

.infographic-item:last-child {
    margin-bottom: 0;
}

.infographic-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-red) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-weight: bold;
    margin-right: 1.5rem;
    flex-shrink: 0;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.infographic-content h4 {
    color: var(--accent-orange);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.infographic-content p {
    color: var(--text-muted);
    margin: 0;
    line-height: 1.7;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.card {
    background: var(--bg-card);
    border: 2px solid var(--border-metal);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px var(--shadow-dark);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-orange);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.3);
}

.card h3 {
    color: var(--accent-orange);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card p {
    color: var(--text-muted);
    line-height: 1.8;
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 1rem;
    border: 2px solid var(--border-metal);
}

/* Form Styles */
.form-container {
    max-width: 700px;
    margin: 2rem auto;
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 8px;
    border: 2px solid var(--border-metal);
    box-shadow: 0 8px 25px var(--shadow-dark);
}

.form-group {
    margin-bottom: 1.8rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.6rem;
    color: var(--accent-orange);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem;
    border: 2px solid var(--border-metal);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    background: var(--bg-dark);
    color: var(--text-light);
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-orange);
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 0.8rem;
    accent-color: var(--accent-orange);
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-group label {
    font-weight: normal;
    cursor: pointer;
    text-transform: none;
    color: var(--text-muted);
    margin: 0;
}

.submit-btn {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-red) 100%);
    color: var(--primary-dark);
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.5);
}

/* Footer */
footer {
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--bg-dark) 100%);
    color: var(--text-light);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
    border-top: 3px solid var(--accent-orange);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1.2rem;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1.2rem;
    border-bottom: 2px solid var(--metal-gray);
    padding-bottom: 0.5rem;
}

.footer-section p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: var(--text-muted);
    text-decoration: none;
    display: block;
    margin-bottom: 0.6rem;
    transition: all 0.3s;
    padding: 0.3rem 0;
}

.footer-section a:hover {
    color: var(--accent-orange);
    padding-left: 0.5rem;
}

.footer-contact {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.8rem;
    color: var(--text-muted);
}

.footer-contact strong {
    color: var(--accent-orange);
    margin-right: 0.5rem;
    min-width: 80px;
    flex-shrink: 0;
}

.footer-bottom {
    text-align: center;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--metal-gray);
    color: var(--text-muted);
}

/* Table Styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow-dark);
}

table th,
table td {
    padding: 1.2rem;
    text-align: left;
    border-bottom: 1px solid var(--border-metal);
}

table th {
    background: var(--accent-orange);
    color: var(--primary-dark);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

table tr:hover {
    background: var(--bg-dark);
}

table tr:last-child td {
    border-bottom: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    nav ul {
        gap: 0.8rem;
    }
    
    nav a {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }

    nav ul {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .infographic-item {
        flex-direction: column;
        text-align: center;
    }

    .infographic-icon {
        margin-bottom: 1rem;
        margin-right: 0;
    }

    .content-section {
        padding: 1.5rem;
    }

    .content-section h1 {
        font-size: 2rem;
    }
}

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

    .hero {
        padding: 2.5rem 1rem;
    }

    .content-section h2 {
        font-size: 1.5rem;
    }

    .logo {
        font-size: 1.4rem;
    }
}