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

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.content {
    flex: 1;
    padding-top: 40px;
    padding-bottom: 40px;
}

/* Шапка сайта */
.header {
    background-color: #2b5c8f;
    color: white;
    padding: 15px 0;
    border-bottom: 4px solid #e67e22; /* Радужный акцент */
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.nav a {
    color: #e6f0fa;
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
}

.nav a:hover, .nav a.active {
    color: #ffffff;
    text-decoration: underline;
}

.nav .btn-lk {
    background-color: #f1c40f;
    color: #2b5c8f;
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none !important;
}

.nav .btn-lk:hover {
    background-color: #f39c12;
}

/* Сетка (Grid) */
.grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

/* Карточки */
.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.bg-light { background-color: #edf2f7; }
.border-danger { border-left: 5px solid #e74c3c; }
.text-danger { color: #e74c3c; font-weight: bold; }
.text-muted { color: #7f8c8d; font-size: 14px; }

.hero {
    background: linear-gradient(135deg, #ebf4ff 0%, #e2e8f0 100%);
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 20px;
    border-left: 5px solid #3498db;
}

.hero h1 { color: #2b5c8f; margin-bottom: 10px; }

.date {
    font-size: 12px;
    color: #e67e22;
    font-weight: bold;
}

/* Документы */
.doc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-download {
    background-color: #2b5c8f;
    color: white;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-download:hover { background-color: #1a3a5c; }

/* Формы */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #cbd5e0;
    border-radius: 4px;
}

.btn-submit {
    width: 100%;
    background-color: #2b5c8f;
    color: white;
    padding: 12px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
}

.btn-submit:hover { background-color: #1a3a5c; }

/* Подвал */
.footer {
    background-color: #1a202c;
    color: #a0aec0;
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
    margin-top: auto;
}