.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: white;  /* ← непрозрачный фон */
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1100;
    transition: all 0.3s ease;
}

.header_container {
    width: 1500px;
    max-width: 100%;
    margin: 0 auto;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between; 
    align-items: center
}
.header_left {
    display: flex;
    align-items: center;
    margin-right: auto;
    gap: 30px;
    margin-left: 0px;
}
.header_logo {
    font-family: var(--font-main);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-4);
    letter-spacing: 2px;
    position: relative; 
}

.header_right {
    display: flex;
    align-items: center;
    margin-left: auto;
    gap: 30px;
}
.header_register-btn {
    padding: 8px 20px;
    background: var(--color-1);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-right: 10px;
}

.header_register-btn:hover {
    background: var(--color-4);
    transform: translateY(-2px);
}
/* Переключатель темы */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 15px;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
}

input:checked + .slider {
    background-color: var(--color-4);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 24px;
}

.slider.round:before {
    border-radius: 50%;
}

.theme-icon {
    font-size: 16px;
}





@media screen and (max-width: 400px) {
    .header_register-btn {
        display: none;  
    }
}
.header_login-btn,
.header_register-btn {
    padding: 8px 20px;
    background: var(--color-1);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-right: 10px;
}

.header_login-btn {
    background: transparent;
    border: 2px solid var(--color-1);
    color: var(--color-1);
}

.header_login-btn:hover {
    background: var(--color-1);
    color: white;
}

.header_register-btn:hover {
    background: var(--color-4);
    transform: translateY(-2px);
}

.header_user {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: var(--font-main);
    color: var(--color-4);
    margin-right: 10px;
}

.header_logout-btn {
    padding: 5px 12px;
    background: #fee;
    color: #c00;
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.header_logout-btn:hover {
    background: #c00;
    color: white;
}

@media screen and (max-width: 600px) {
    .header_login-btn,
    .header_register-btn {
        padding: 6px 15px;
        font-size: 0.9rem;
        margin-right: 5px;
    }
    
    .header_user {
        font-size: 0.9rem;
        gap: 8px;
    }
    .header_register-btn {
        padding: 6px 15px;
        font-size: 0.9rem;
        margin-right: 5px;
    }
}
.header_address {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--color-4);
}

.header_address-icon {
    font-size: 1.2rem;
    color: var(--color-2);
}

.header_address-text {
    font-weight: 200;
    letter-spacing: 0.5px;
}


.header_burger {
    width: 50px;
    height: 50px;
    background: var(--color-1);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1001;
    flex-shrink: 0;
}

.header_burger:hover {
    background: var(--color-4);
    transform: scale(1.05);
}

.header_burger-line {
    width: 30px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.header_burger.active .header_burger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.header_burger.active .header_burger-line:nth-child(2) {
    opacity: 0;
}

.header_burger.active .header_burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.header_menu {
    position: fixed;
    top: 0;
    left: -400px;          /* ← меняем right на left, и минус */
    width: 350px;
    height: 100vh;
    background: white;
    box-shadow: 5px 0 30px rgba(0, 0, 0, 0.1);  /* ← тень теперь справа */
    padding: 10px 40px 40px;
    transition: left 0.4s ease;  /* ← transition для left */
    overflow-y: auto;  
    overflow-x: hidden;
    z-index: 999;
}

.header_menu.active {
    overflow-y: auto;
    overflow-x: hidden;
    left: 0;               /* ← появляется слева */
    right: auto;           /* ← сбрасываем right */
}

.header_menu-list {
    list-style: none;
    margin-top: 20px;
    padding: 0;
}

.header_menu-item {
    margin-bottom: 25px;
    opacity: 1;
    transform: none;
}

.header_menu.active .header_menu-item {
    opacity: 1;
    transform: translateX(0);
}

.header_menu-link {
    font-family: var(--font-main);
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--color-4);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.header_menu-link:hover {
     font-weight: 700;  /* ← жирный шрифт */
    border-bottom-width: 3px;  /* ← черта толще */
    border-bottom-color: var(--color-1);
}

.header_menu-link span {
    font-size: 1rem;
    color: var(--color-3);
    width: 25px;
}
.header_menu-logo {
    margin-top: 10px;
    margin-left: 0;
    text-align: left;
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
}

.header_menu-logo-text {
    font-family: var(--font-main);
    font-size: 1.7rem;
    font-weight: 600;
    color: var(--color-4);
    letter-spacing: 2px;
}




.header_overlay {
    position: fixed;
    top:  0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);  /* ← замыливание всей страницы */
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.header_overlay.active {
    opacity: 1;
    visibility: visible;
}

.header_menu-contacts {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 2px solid rgba(0, 0, 0, 0.05);
}

.header_menu-contact {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    font-family: var(--font-main);
    color: var(--color-4);
    font-size: 1rem;
}

.header_menu-contact-icon {
    width: 35px;
    height: 35px;
    background: var(--color-1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}
.theme-icon-img {
    width: 25px;          
    height: 30px;
    display: inline-block;
    vertical-align: middle;
    margin-left: 2px;     
}
@media screen and (max-width: 800px) {
    .header_container {
        padding: 15px 20px;
    }
    
    .header_logo {
        font-size: 1.3rem;
    }
    
    .header_right {
        gap: 20px;
    }
    
    .header_address-text {
        font-size: 0.9rem;
    }
    
    .header_burger {
        width: 45px;
        height: 45px;
        border-radius: 12px;
    }
    
    .header_burger-line {
        width: 25px;
    }
    
    .header_menu {
        width: 300px;
        padding: 80px 30px 30px;
    }
    
    .header_menu-link {
        font-size: 1.2rem;
    }
}

@media screen and (max-width: 500px) {
    .header_container {
        padding: 12px 15px;
    }
    
    .header_logo {
        font-size: 1.1rem;
    }
    
    
    .header_right {
        gap: 15px;
    }
    
    .header_address {
        gap: 5px;
    }
    
    .header_address-icon {
        font-size: 1rem;
    }
    
    .header_address-text {
        font-size: 0.8rem;
    }
    
    .header_burger {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        gap: 6px;
    }
    
    .header_burger-line {
        width: 22px;
    }
    
    .header_menu {
        width: 280px;
        padding: 70px 25px 25px;
    }
}
@media screen and (max-width: 400px) {
    .header_address-text {
        display: none;
    }
    
    .header_address-icon {
        font-size: 1.3rem;
    }
    
    .header_logo {
        font-size: 1rem;
    }
}
body {
    padding-top: 80px; 
}

@media screen and (max-width: 800px) {
    body {
        padding-top: 70px;
    }
}
.header,
.header_container,
.header_left,
.header_right {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}