.custom-header {
    position: sticky;
    top: 0;
    width: 100%;
    background: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
    z-index: 1000;
}

.custom-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo img {
    max-width: 100px;
    transition: transform 0.3s ease-in-out;
    vertical-align: middle;

}

.logo img:hover {
    transform: scale(1.05);
}

.nav-menu {
    flex: 1;
    text-align: center;
}

.nav-menu ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-menu ul li {
    margin: 0 15px;
}

.nav-menu ul li a {
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    transition: color 0.3s ease-in-out;
}

.nav-menu ul li a:hover {
    color: #007bff;
}

.phone a {
    font-size: 18px;
    font-weight: bold;
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s ease-in-out;
}

.phone a:hover {
    color: #0056b3;
}

.phone img {
    max-width: 30px;
    vertical-align: middle;
    href="tel:+79135906148";
}

.burger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    width: 35px;
    height: 25px;
    padding: 0;
}

.burger-menu span {
    width: 100%;
    height: 4px;
    background: #333;
    transition: all 0.3s ease-in-out;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 80px;
    right: 0;
    width: 300px;
    height: calc(100vh - 60px);
    background: white;
    box-shadow: -4px 0 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    text-align: center;
}

.mobile-nav.open {
    display: block;
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav ul li {
    margin: 20px 0;
}

.mobile-nav ul li a {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease-in-out;
}

.mobile-nav ul li a:hover {
    color: #007bff;
}
.mobile-nav img {
    max-width: 30px;
    vertical-align: middle;
}

.mobile-phone {
    font-size: 24px;
    font-weight: bold;
    color: #007bff;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 991px) {
    .nav-menu {
        display: none;
    }

    .burger-menu {
        display: flex;
    }

    .nav-menu ul li a, .phone a {
        font-size: 14px;
    }
    .phone img {
        max-width: 25px;
    }
}