nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 60px;
    height: 72px;
    background: rgba(5,5,8,0.88);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 6px;
    color: var(--white);
    text-transform: uppercase;
}

    .logo-text em {
        color: var(--blue);
        font-style: normal;
    }

.nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
}

    .nav-links a {
        font-family: var(--font-ui);
        font-size: .72rem;
        font-weight: 600;
        letter-spacing: 2.5px;
        text-transform: uppercase;
        color: var(--silver-dim);
        text-decoration: none;
        transition: color .2s;
        position: relative;
    }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--blue);
            transition: width .3s;
        }

        .nav-links a:hover {
            color: var(--blue);
        }

            .nav-links a:hover::after {
                width: 100%;
            }

.btn-book {
    background: transparent;
    border: 1px solid var(--blue);
    color: var(--blue);
    padding: 10px 24px;
    font-family: var(--font-ui);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .3s;
    position: relative;
    overflow: hidden;
}

    .btn-book::before {
        content: '';
        position: absolute;
        inset: 0;
        background: var(--blue);
        transform: translateX(-101%);
        transition: transform .3s;
    }

    .btn-book:hover {
        color: var(--bg);
    }

        .btn-book:hover::before {
            transform: translateX(0);
        }

    .btn-book span {
        position: relative;
        z-index: 1;
    }