* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header {
    background: #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    color: #0077b6;
}

.logo span {
    color: #00b4d8;
}

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

nav a {
    text-decoration: none;
    color: #555;
    font-weight: bold;
}

nav a:hover {
    color: #0077b6;
}

/* Използваме реално стоматологично изображение за банер с тъмен филтър за четливост */
.hero {
    background: linear-gradient(rgba(0, 119, 182, 0.75), rgba(0, 180, 216, 0.75)), 
                url('https://unsplash.com') no-repeat center center/cover;
    color: #fff;
    text-align: center;
    padding: 8rem 1rem;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    background: #fff;
    color: #0077b6;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s ease;
}

.btn:hover {
    background: #caf0f8;
}

section {
    padding: 4rem 1rem;
}

.services {
    background: #f8f9fa;
}

.services .container, .contact .container {
    flex-direction: column;
    text-align: center;
}

.service-grid {
    display: flex;
    gap: 20px;
    margin-top: 2rem;
    width: 100%;
}

/* Стилизиране на картите с картинки */
.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    flex: 1;
    overflow: hidden;
    text-align: left;
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card h3 {
    color: #0077b6;
    margin: 1.5rem 1.5rem 0.5rem 1.5rem;
}

.card p {
    margin: 0 1.5rem 1.5rem 1.5rem;
    font-size: 0.95rem;
    color: #666;
}

/* Секция За нас с разпределение текст-картинка */
.about {
    background: #fff;
}

.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    margin-bottom: 1rem;
    color: #0077b6;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.contact {
    background: #e9ecef;
}

.contact h2 {
    margin-bottom: 1rem;
}

footer {
    background: #212529;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
}

footer .container {
    justify-content: center;
}

/* Адаптивност за мобилни устройства */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
        gap: 20px;
    }
    .service-grid, .about-content {
        flex-direction: column;
    }
    nav ul {
        flex-direction: column;
        text-align: center;
    }
}