@layer components {
    /* Base Topbar (Marketing) */
    .topbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: var(--layer-topbar);
        padding: var(--space-sm) var(--space-md);
        background-color: rgba(2, 6, 23, 0.6);
        backdrop-filter: blur(12px);
        border-bottom: var(--border-thin) solid var(--color-border);
        display: flex;
        justify-content: space-between;
        align-items: center;
        transition: all 0.3s ease;

        &[data-variant="transparent"] {
            background-color: transparent;
            backdrop-filter: none;
            border-bottom: none;
            padding-block: var(--space-lg);

            &[data-state="scrolled"] {
                background-color: rgba(2, 6, 23, 0.6);
                backdrop-filter: blur(12px);
                border-bottom: var(--border-thin) solid var(--color-border);
                padding-block: var(--space-sm);
            }
        }

        @media (min-width: 768px) {
            padding-block: var(--space-sm);

            &[data-variant="transparent"] {
                padding-block: var(--space-sm);

                &[data-state="scrolled"] {
                    background-color: rgba(2, 6, 23, 0.6);
                    backdrop-filter: blur(12px);
                    border-bottom: var(--border-thin) solid var(--color-border);
                }
            }
        }
    }

    .topbar__container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-md);
        width: 100%;
    }

    .topbar__logo {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        font-weight: 700;
        color: var(--color-white);
        cursor: pointer;

        & .topbar__logo-img {
            height: 2.5rem;
            width: 2.5rem;
            object-fit: contain;
            transition: transform 0.3s ease;
        }

        &:hover .topbar__logo-img {
            transform: scale(1.05);
        }

        & .topbar__logo-text {
            display: none;
            flex-direction: column;
            border-left: 1px solid var(--clr-slate-700);
            padding-left: 0.75rem;
            margin-left: 0.5rem;

            @media (min-width: 640px) {
                display: flex;
            }
        }

        & .topbar__logo-title {
            font-size: var(--text-sm);
            font-weight: 800;
            letter-spacing: -0.025em;
            line-height: 1.25rem;
        }

        & .topbar__logo-subtitle {
            font-size: 10px;
            color: var(--color-primary);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
        }
    }

    /* Desktop Navigation */
    .topbar__nav-desktop {
        display: none;
        align-items: center;
        gap: var(--space-xl);

        @media (min-width: 768px) {
            display: flex;
        }
    }

    .topbar__nav-link-desktop {
        background: none;
        border: none;
        color: var(--clr-slate-300);
        font-size: var(--text-sm);
        font-weight: 500;
        cursor: pointer;
        transition: color 0.2s;

        &:hover {
            color: var(--color-primary);
        }
    }

    .topbar__nav-cta-desktop {
        font-weight: 700 !important;
        box-shadow: 0 10px 15px -3px rgba(92, 210, 185, 0.1) !important;
    }

    /* Mobile Navigation in Topbar */
    .topbar__nav-mobile {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--clr-slate-900);
        border-bottom: 1px solid var(--clr-slate-800);
        padding: var(--space-md);
        display: flex;
        flex-direction: column;
        gap: var(--space-md);
        box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: -1;

        &.is-open {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

        @media (min-width: 768px) {
            display: none;
        }
    }

    .topbar__nav-link {
        background: none;
        border: none;
        border-bottom: 1px solid var(--clr-slate-800);
        color: var(--clr-slate-300);
        padding-block: var(--space-sm);
        text-align: left;
        font-size: var(--text-base);
        cursor: pointer;
        transition: color 0.2s;

        &:hover {
            color: var(--color-primary);
        }
    }

    .topbar__nav-cta {
        padding-block: var(--space-md) !important;
        box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04) !important;
    }

    /* App Mobile Header */
    .app-header-mobile {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--space-sm) var(--space-md);
        background-color: var(--clr-slate-900);
        border-bottom: 1px solid var(--color-border);
        position: sticky;
        top: 0;
        z-index: 100;

        @media (min-width: 768px) {
            display: none;
        }
    }

    .app-header-mobile__left {
        display: flex;
        align-items: center;
        gap: var(--space-md);
    }

    .app-header-mobile__logo {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        font-weight: 700;
        color: var(--color-white);

        & img {
            height: 2rem;
            width: 2rem;
        }

        & span {
            font-size: var(--text-sm);
            border-left: 1px solid var(--clr-slate-700);
            padding-left: var(--space-sm);
            margin-left: 0.25rem;
        }
    }

    /* Hamburger Menu Button */
    .hamburger {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 2.5rem;
        height: 2.5rem;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0;
        gap: 5px;

        & span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--clr-slate-400);
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        &[aria-expanded="true"] {
            & span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
                background-color: var(--color-white);
            }
            & span:nth-child(2) {
                opacity: 0;
            }
            & span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
                background-color: var(--color-white);
            }
        }

        @media (min-width: 768px) {
            display: none;
        }
    }
}