/* Общие стили */
:root {
    --primary-color: #2c7be5;
    --secondary-color: #4e73df;
    --dark-color: #2d3748;
    --light-color: #f7fafc;
    --success-color: #48bb78;
    --danger-color: #e53e3e;
    --warning-color: #ed8936;
    --gray-color: #a0aec0;
    --white: #ffffff;
    --black: #000000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #1a68d1;
}

.btn-large {
    padding: 12px 24px;
    font-size: 18px;
}

/* Шапка */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    height: 50px;
    width: auto;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.main-nav a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--primary-color);
    background-color: rgba(44, 123, 229, 0.1);
}

.auth-buttons {
    display: flex;
    gap: 10px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--dark-color);
}

/* Герой-секция */
 .hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 80px 0;
    text-align: center;
 }

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Решенные проблемы */
.solved-problems {
    padding: 60px 0;
}

.solved-problems h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
}

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

.problem-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-images {
    position: relative;
    height: 200px;
}

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

.problem-images .before {
    position: absolute;
    width: 50%;
    height: 100%;
    left: 0;
    border-right: 2px solid var(--white);
}

.problem-images .after {
    position: absolute;
    width: 50%;
    height: 100%;
    right: 0;
}

.problem-info {
    padding: 20px;
}

.problem-info .date {
    display: block;
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.problem-info h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.problem-info .category {
    display: inline-block;
    background-color: rgba(44, 123, 229, 0.1);
    color: var(--primary-color);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Модальные окна */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.modal h2 {
    margin-bottom: 20px;
    text-align: center;
}

.close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-color);
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--dark-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

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

.checkbox input {
    width: auto;
    margin-right: 10px;
}

/* Личный кабинет */
.user-info {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.avatar {
    font-size: 50px;
    color: var(--gray-color);
    margin-right: 20px;
}

.info h3 {
    margin-bottom: 5px;
}

.tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--gray-color);
    position: relative;
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.request-list {
    max-height: 400px;
    overflow-y: auto;
}

.request-item {
    background-color: #f9f9f9;
    border-radius: 5px;
    padding: 15px;
    margin-bottom: 15px;
}

.request-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.request-header .date {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.status {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
}

.status.new {
    background-color: rgba(237, 137, 54, 0.1);
    color: var(--warning-color);
}

.status.resolved {
    background-color: rgba(72, 187, 120, 0.1);
    color: var(--success-color);
}

.status.rejected {
    background-color: rgba(229, 62, 62, 0.1);
    color: var(--danger-color);
}

.request-item h3 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.request-item p {
    margin-bottom: 10px;
    color: #555;
}

/* Подвал */
 footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 50px 0 20px;
}

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

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section p {
    margin-bottom: 10px;
    color: #ddd;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.9rem;
}

/* Адаптивность */
@media (max-width: 992px) {
    .main-nav {
        display: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .modal-content {
        margin: 20px auto;
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .logo-container h1 {
        font-size: 1.5rem;
    }
    
    .hero {
        padding: 50px 0;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .btn-large {
        padding: 10px 20px;
        font-size: 16px;
    }
    
    .problem-card {
        max-width: 100%;
    }
    
    .user-info {
        flex-direction: column;
        text-align: center;
    }
    
    .avatar {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .tabs {
        justify-content: center;
    }
}