body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
.top-bar {
    padding: 15px 0;
    border-bottom: 1px solid #e0e0e0;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
}
.logo img {
    margin-right: 15px;
}
.logo span {
    font-weight: bold;
    font-size: 14px;
    line-height: 1.2;
}
.header-contacts {
    display: flex;
    align-items: center;
    gap: 20px;
}
.header-contacts span {
    font-size: 14px;
}
.btn {
    background-color: #005a9e;
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 12px;
}
.main-nav {
    background-color: #003366;
}
.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}
.main-nav ul li a {
    color: white;
    text-decoration: none;
    padding: 20px 25px;
    display: block;
    text-transform: uppercase;
    font-size: 14px;
    font-weight: bold;
}
.main-nav ul li a:hover {
    background-color: #005a9e;
}

/* Hero Section on Main Page */
.hero-main {
    background: #003366;
    color: white;
    padding: 100px 0;
    text-align: center;
}
.hero-main h1 {
    font-size: 48px;
    margin-bottom: 20px;
}
.hero-main p {
    font-size: 18px;
    margin-bottom: 30px;
}

/* Sections on Main Page */
.about-short, .services-short, .advantages, .cta-block, .team-short, .reviews-short {
    padding: 60px 0;
}
.about-short, .reviews-short {
    background-color: #f9f9f9;
}
.services-short h2, .advantages h2, .cta-block h2, .about-short h2, .team-short h2, .reviews-short h2 {
    text-align: center;
    font-size: 32px;
    color: #003366;
    margin-bottom: 40px;
}

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

.service-card, .advantage-item {
    background-color: white;
    padding: 30px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.service-card h3 {
    color: #005a9e;
}
.service-card a {
    text-decoration: none;
    color: #007bff;
    font-weight: bold;
}

.advantage-item h4 {
    color: #005a9e;
}

.cta-block {
    background-color: #005a9e;
    color: white;
    text-align: center;
}
.cta-block h2 {
    color: white;
}

/* General Hero for inner pages */
.hero {
    background-color: #007bff;
    color: white;
    padding: 30px 0;
}
.breadcrumbs a, .breadcrumbs span {
    color: white;
    text-decoration: none;
    font-size: 14px;
}
.hero h1 {
    margin-top: 10px;
    font-size: 36px;
}

/* Content Area */
.content-wrapper {
    display: flex;
    padding-top: 40px;
    padding-bottom: 40px;
    gap: 30px;
}
.sidebar {
    width: 25%;
    flex-shrink: 0;
}
.sidebar h3 {
    font-size: 16px;
    color: #003366;
    border-bottom: 2px solid #003366;
    padding-bottom: 10px;
    margin-top: 0;
}
.sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar ul li a {
    text-decoration: none;
    color: #333;
    padding: 10px 0;
    display: block;
    border-bottom: 1px solid #f0f0f0;
}
.sidebar ul li.active a {
    color: #007bff;
    font-weight: bold;
}
.promo-block, .side-contacts {
    margin-top: 30px;
    padding: 20px;
    background-color: #f4f8ff;
    border-left: 3px solid #007bff;
}
.main-content {
    width: 75%;
}
.main-content h3 {
    color: #003366;
    margin-top: 30px;
}
.main-content p, .main-content ul {
    line-height: 1.6;
}
.main-content ul {
    padding-left: 20px;
}

/* Doctors Page */
.filter-buttons {
    margin-bottom: 30px;
    display: flex;
    gap: 10px;
}
.btn-filter {
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
}
.btn-filter.active {
    background-color: #007bff;
    color: white;
    border-color: #007bff;
}

.doctors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.doctor-card-short {
    background-color: white;
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    text-align: center;
}
.doctor-card-short h3 {
    color: #005a9e;
}
.link-more {
    text-decoration: none;
    color: #007bff;
    font-weight: bold;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}
.review-card {
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    border-left: 5px solid #007bff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}
.review-card p {
    font-style: italic;
    margin-bottom: 15px;
}
.review-author {
    font-weight: bold;
    text-align: right;
    color: #005a9e;
}

/* Doctor Cards */
.doctor-card {
    border: 1px solid #e0e0e0;
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: center;
}
.doctor-card img {
    max-width: 150px;
    border-radius: 50%;
    margin-bottom: 15px;
}

/* Prices Table */
.prices-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
.prices-table th, .prices-table td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}
.prices-table th {
    background-color: #f4f8ff;
    color: #003366;
}
.prices-table .category-row {
    background-color: #e9efff;
    font-weight: bold;
    color: #003366;
}
.prices-table .category-row td {
    padding: 15px 12px;
}

/* Accordion */
.accordion {
    margin: 30px 0;
}
.accordion-item {
    border-bottom: 1px solid #e0e0e0;
}
.accordion-header {
    width: 100%;
    background-color: #f9f9f9;
    border: none;
    padding: 18px;
    text-align: left;
    font-size: 18px;
    font-weight: bold;
    color: #003366;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.accordion-header:hover, .accordion-header.active {
    background-color: #e9efff;
}
.accordion-header::after {
    content: '+';
    float: right;
    font-size: 24px;
    font-weight: bold;
}
.accordion-header.active::after {
    content: '−';
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 18px;
    background-color: white;
}
.accordion-content p {
    padding: 15px 0;
}
.why-us-diagnostics {
    margin-top: 30px;
    background-color: #f4f8ff;
    padding: 20px;
    border-left: 3px solid #007bff;
}

.info-section {
    margin-top: 30px;
}
.info-section h3 {
    color: #003366;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 10px;
}
.info-section ol {
    padding-left: 20px;
    line-height: 1.8;
}

/* Promo Page */
.promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.promo-card {
    border: 1px solid #007bff;
    border-radius: 8px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: #f4f8ff;
}
.promo-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}
.promo-card h3 {
    color: #003366;
    margin-top: 0;
    margin-right: 10px;
}
.promo-discount {
    background-color: #ff4d4d;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-weight: bold;
    font-size: 16px;
}
.promo-timer {
    background-color: #fff0f0;
    border: 1px dashed #ff4d4d;
    padding: 10px;
    text-align: center;
    margin: 20px 0;
    font-weight: bold;
    color: #d90000;
}
.promo-price {
    font-size: 28px;
    font-weight: bold;
    color: #005a9e;
    text-align: center;
    margin: 20px 0;
}
.promo-card .btn {
    width: 100%;
    text-align: center;
}


/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.contact-form input, .contact-form textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

/* Promo Page */
.promo-item {
    border: 1px solid #e0e0e0;
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    background-color: #f9f9f9;
}
.promo-item h3 {
    color: #005a9e;
    margin-top: 0;
}

/* Doctors Page Specific */
.doctors-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 30px;
}
.doctor-card-full {
    display: flex;
    gap: 30px;
    border: 1px solid #e0e0e0;
    padding: 20px;
    border-radius: 5px;
}
.doctor-card-full img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
}
.doctor-info h3 {
    margin-top: 0;
    color: #003366;
}

/* Footer */
footer {
    background-color: #003366;
    color: #e0e0e0;
    padding: 40px 0;
}
.footer-columns {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #005a9e;
}
.footer-col {
    width: 23%;
}
.footer-col h4 {
    color: white;
    text-transform: uppercase;
    font-size: 14px;
}
.footer-col ul {
    list-style: none;
    padding: 0;
}
.footer-col ul li a, .footer-col .link {
    color: #e0e0e0;
    text-decoration: none;
    font-size: 14px;
    line-height: 2;
}
.copyright {
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
}