/* =========================================================================
   Landing — навигация (десктоп + мобильное меню)
   ========================================================================= */

.landing .navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(7, 7, 12, 0.72);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.landing .navbar.is-scrolled {
    background: rgba(7, 7, 12, 0.92);
}

.nav-brand {
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-item {
    color: #98a4b8;
    text-decoration: none;
    font-size: 0.96rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-item:hover {
    color: #fff;
}

.nav-item--login {
    color: #fff;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #00d4aa 0%, #7c3aed 100%);
    color: #fff;
    text-decoration: none;
    padding: 0.7rem 1.35rem;
    border-radius: 12px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 212, 170, 0.3);
    color: #fff;
}

/* --------------------------------------------------------- бургер */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0;
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 0 auto;
    background: #fff;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0.25rem;
        padding: 1rem 1.5rem 1.5rem;
        background: rgba(7, 7, 12, 0.98);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.25s ease, opacity 0.25s ease;
    }

    .nav-menu.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-item {
        padding: 0.8rem 0.25rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-cta {
        margin-top: 0.75rem;
        justify-content: center;
    }
}