nav {
    position: fixed;
    top: 0;
    width: 100%;
    backdrop-filter: blur(20px);
    background: rgba(0, 0, 0, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

nav .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

nav ul {
    display: flex;
    gap: 40px;
    list-style: none;
    align-items: center;
}

nav li {
    position: relative;
}

nav a {
    color: #f5f5f7;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
    display: block;
    padding: 8px 0;
}

nav > ul > li > a::after {
    content: '';
    position: absolute;
    bottom: 3px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    transition: width 0.3s ease;
}

nav > ul > li > a:hover::after {
    width: 100%;
}

nav a:hover {
    color: #ff6b35;
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-toggle::before {
    content: '▼';
    font-size: 10px;
    transition: transform 0.3s ease;
}

.dropdown.active .dropdown-toggle::before {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    margin-top: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

.dropdown-menu a:hover {
    background: rgba(255, 107, 53, 0.1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: #f5f5f7;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}


@media (max-width: 768px) {

    .mobile-menu-toggle {
        display: flex;
    }

    nav ul {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        padding: 20px;
        gap: 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.3s ease;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    nav ul.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    nav li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    nav li:last-child {
        border-bottom: none;
    }

    nav > ul > li > a {
        padding: 16px 0;
    }

    nav > ul > li > a::after {
        display: none;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin: 0;
        border: none;
        border-radius: 0;
        background: rgba(255, 255, 255, 0.02);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .dropdown.active .dropdown-menu {
        max-height: 500px;
    }

    .dropdown-toggle {
        padding: 16px 0;
        justify-content: space-between;
        width: 100%;
    }

    .dropdown-toggle::before {
        order: 2;
    }

    .privacy-card,
    .toc-card {
        padding: 30px;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    nav ul {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        padding: 20px;
        gap: 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.3s ease;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    nav ul.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    nav li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    nav li:last-child {
        border-bottom: none;
    }

    nav > ul > li > a {
        padding: 16px 0;
    }

    nav > ul > li > a::after {
        display: none;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin: 0;
        border: none;
        border-radius: 0;
        background: rgba(255, 255, 255, 0.02);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .dropdown.active .dropdown-menu {
        max-height: 500px;
    }

    .dropdown-toggle {
        padding: 16px 0;
        justify-content: space-between;
        width: 100%;
    }

    .dropdown-toggle::before {
        order: 2;
    }

    .privacy-card,
    .toc-card {
        padding: 30px;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    nav ul {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        padding: 20px;
        gap: 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.3s ease;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    nav ul.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    nav li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    nav li:last-child {
        border-bottom: none;
    }

    nav > ul > li > a {
        padding: 16px 0;
    }

    nav > ul > li > a::after {
        display: none;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin: 0;
        border: none;
        border-radius: 0;
        background: rgba(255, 255, 255, 0.02);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .dropdown.active .dropdown-menu {
        max-height: 500px;
    }

    .dropdown-toggle {
        padding: 16px 0;
        justify-content: space-between;
        width: 100%;
    }

    .dropdown-toggle::before {
        order: 2;
    }
}