.mobile-nav-intro,
.mobile-nav-footer,
.nav-index,
.nav-arrow {
    display: none;
}

@media (max-width: 1050px) {
    .site-header {
        isolation: isolate;
    }

    .site-header .brand {
        transition: opacity .35s ease, transform .35s ease;
    }

    .menu-toggle {
        position: relative;
        z-index: 103;
        display: grid;
        width: 46px;
        height: 46px;
        margin-left: auto;
        padding: 0;
        place-content: center;
        border: 1px solid rgba(255, 255, 255, .34);
        border-radius: 50%;
        background: rgba(7, 18, 22, .28);
        backdrop-filter: blur(10px);
        cursor: pointer;
        transition: border-color .3s ease, background .3s ease, transform .3s ease;
    }

    .menu-toggle:hover {
        border-color: var(--cyan);
    }

    .menu-toggle span:not(.sr-only) {
        width: 20px;
        height: 1px;
        margin: 3px 0;
        background: #fff;
        transform-origin: center;
        transition: transform .35s ease, opacity .25s ease, width .35s ease;
    }

    .menu-toggle[aria-expanded="true"] {
        border-color: rgba(98, 217, 232, .55);
        background: rgba(98, 217, 232, .1);
        transform: rotate(90deg);
    }

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

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

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

    .primary-nav,
    .primary-nav.open {
        position: fixed;
        z-index: 101;
        inset: 0;
        display: flex !important;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 0;
        margin: 0;
        padding: 112px 32px 28px;
        overflow-y: auto;
        background:
            radial-gradient(circle at 92% 10%, rgba(98, 217, 232, .14), transparent 27%),
            linear-gradient(145deg, #061115 0%, #08191e 52%, #061014 100%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateX(100%);
        transition: transform .48s cubic-bezier(.76, 0, .24, 1), opacity .35s ease, visibility .48s;
    }

    .primary-nav::before {
        content: "";
        position: absolute;
        top: 84px;
        right: -130px;
        width: 310px;
        height: 310px;
        border: 1px solid rgba(98, 217, 232, .09);
        border-radius: 50%;
        box-shadow: 0 0 0 48px rgba(98, 217, 232, .025), 0 0 0 96px rgba(98, 217, 232, .018);
        pointer-events: none;
    }

    .primary-nav.open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateX(0);
    }

    .mobile-nav-intro {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 16px;
        padding-bottom: 14px;
        border-bottom: 1px solid rgba(255, 255, 255, .13);
        color: var(--cyan);
        text-transform: uppercase;
    }

    .mobile-nav-intro span {
        font-size: 9px;
        font-weight: 800;
        letter-spacing: 2.8px;
    }

    .mobile-nav-intro p {
        margin: 0;
        color: #6f8085;
        font-size: 8px;
        font-weight: 700;
        letter-spacing: 1.7px;
    }

    .primary-nav > a:not(.mobile-nav-cta) {
        position: relative;
        display: grid;
        grid-template-columns: 34px 1fr 24px;
        align-items: center;
        min-height: 65px;
        padding: 0;
        border-bottom: 1px solid rgba(255, 255, 255, .09);
        color: #8e9a9d;
        font-size: 25px !important;
        font-weight: 650;
        letter-spacing: -.7px;
        opacity: 0;
        transform: translateX(32px);
        transition: color .25s ease, padding .25s ease, opacity .4s ease, transform .4s ease;
    }

    .primary-nav.open > a:nth-of-type(1) { transition-delay: .10s; }
    .primary-nav.open > a:nth-of-type(2) { transition-delay: .15s; }
    .primary-nav.open > a:nth-of-type(3) { transition-delay: .20s; }
    .primary-nav.open > a:nth-of-type(4) { transition-delay: .25s; }
    .primary-nav.open > a:nth-of-type(5) { transition-delay: .30s; }

    .primary-nav.open > a:not(.mobile-nav-cta) {
        opacity: 1;
        transform: translateX(0);
    }

    .primary-nav > a:not(.mobile-nav-cta)::after {
        display: none;
    }

    .primary-nav > a:not(.mobile-nav-cta):hover,
    .primary-nav > a:not(.mobile-nav-cta).active {
        padding-left: 6px;
        color: #fff;
    }

    .nav-index,
    .nav-arrow {
        display: block;
        color: #526267;
        font-size: 9px;
        font-weight: 800;
        letter-spacing: 1px;
    }

    .nav-arrow {
        color: var(--cyan);
        font-size: 14px;
        text-align: right;
        opacity: 0;
        transform: translate(-7px, 7px);
        transition: opacity .25s ease, transform .25s ease;
    }

    .primary-nav > a:hover .nav-arrow,
    .primary-nav > a.active .nav-arrow {
        opacity: 1;
        transform: translate(0, 0);
    }

    .primary-nav > a.active .nav-index {
        color: var(--cyan);
    }

    .mobile-nav-footer {
        display: block;
        margin-top: auto;
        padding-top: 24px;
        opacity: 0;
        transform: translateY(16px);
        transition: opacity .4s ease .34s, transform .4s ease .34s;
    }

    .primary-nav.open .mobile-nav-footer {
        opacity: 1;
        transform: translateY(0);
    }

    .primary-nav .mobile-nav-cta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 58px;
        padding: 0 20px;
        background: var(--cyan);
        color: #061115;
        font-size: 10px;
        font-weight: 900;
        letter-spacing: 1.6px;
        text-transform: uppercase;
    }

    .primary-nav.open .mobile-nav-cta {
        font-size: 10px;
    }

    .primary-nav .mobile-nav-cta::after {
        display: none;
    }

    .primary-nav .mobile-nav-cta b {
        font-size: 17px;
    }

    .mobile-nav-contact {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding-top: 16px;
        color: #6f7d81;
        font-size: 9px;
        letter-spacing: .8px;
        text-transform: uppercase;
    }

    .primary-nav.open .mobile-nav-contact a {
        padding: 0;
        color: #cdd5d7;
        font-size: 9px;
        font-weight: 750;
        letter-spacing: 1px;
    }

    .mobile-nav-contact a::after {
        display: none;
    }
}

@media (max-width: 740px) {
    .hero h1 {
        font-size: clamp(46px, 13.8vw, 54px);
        letter-spacing: -3px;
    }

    .primary-nav,
    .primary-nav.open {
        padding: 104px 24px max(24px, env(safe-area-inset-bottom));
    }

    .primary-nav > a:not(.mobile-nav-cta) {
        min-height: 60px;
        font-size: 23px !important;
    }
}

@media (max-height: 700px) and (max-width: 1050px) {
    .primary-nav,
    .primary-nav.open {
        padding-top: 88px;
    }

    .mobile-nav-intro {
        margin-bottom: 6px;
        padding-bottom: 8px;
    }

    .primary-nav > a:not(.mobile-nav-cta) {
        min-height: 48px;
        font-size: 20px !important;
    }

    .mobile-nav-footer {
        padding-top: 14px;
    }

    .primary-nav .mobile-nav-cta {
        min-height: 50px;
    }
}