* {
    box-sizing: border-box;
}

.zen-header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 0 20px;
    z-index: 1000;
    width: 100%;
}

.zen-header-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}

.zen-header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.zen-logo {
    font-family: "Roboto", sans-serif;
    font-size: 23px;
    font-weight: 700;
    color: #2c3e50;
    text-decoration: none;
    letter-spacing: 1px;
}

.zen-nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
    padding: 0;
}

.zen-nav-item {
    position: relative;
}

.zen-nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 10px 0;
    transition: color 0.3s ease;
}

.zen-nav-link:hover {
    color: #27ae60;
}

.zen-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 15px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    min-width: 200px;
}

.zen-has-dropdown:hover .zen-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.zen-dropdown-item {
    padding: 10px 20px;
    transition: background 0.3s ease;
}

.zen-dropdown-item:hover {
    background: #f8f9fa;
}

.zen-dropdown-link {
    text-decoration: none;
    color: #333;
    font-size: 14px;
}

.zen-whatsapp-btn {
    background: #25d366;
    color: white !important;
    padding: 12px 20px;
    border-radius: 25px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.zen-whatsapp-btn:hover {
    background: #128c7e;
    transform: translateY(-1px);
    color: white !important;
}

.zen-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

.zen-mobile-menu {
    display: none;
    background: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    padding: 20px;
}

.zen-mobile-menu.active {
    display: block;
}

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

.zen-mobile-nav-item {
    margin-bottom: 15px;
}

.zen-mobile-nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 16px;
    display: block;
    padding: 10px 0;
}

.zen-mobile-dropdown {
    padding-left: 20px;
    margin-top: 10px;
}

.zen-mobile-dropdown-item {
    margin-bottom: 8px;
}

.zen-mobile-dropdown-link {
    text-decoration: none;
    color: #666;
    font-size: 14px;
}

.zen-mobile-whatsapp {
    margin-top: 20px;
    text-align: center;
}

@media (max-width: 768px) {
    .zen-nav-desktop,
    .zen-header-container .zen-whatsapp-btn {
        display: none;
    }

    .zen-menu-toggle {
        display: block;
    }

    .zen-header-container {
        padding: 0 15px;
    }

    .zen-logo {
        font-size: 20px;
    }
}

.zen-menu-toggle.active {
    color: #27ae60;
}

body.zen-menu-open {
    overflow: hidden;
}