:root {
    color-scheme: dark;
    --lime: #9baf05;
    --ink: #090a09;
    --display-font: "helvetica-neue-lt-pro-cond", "Helvetica Neue", Arial, sans-serif;
}

html {
    background: var(--ink);
}

body {
    min-width: 320px;
    background: var(--ink);
    color: #fff;
}

h1, h2, h3, h4, h5, h6, .intro-copy p, .kicker, .looped-kicker, .looped-number, .looped-cue, .scroll-cue {
    font-family: var(--display-font);
    font-weight: 600;
}

.parallax-story {
    height: 280svh;
}

.pinned-scene {
    position: sticky;
    top: 0;
    height: 100svh;
    overflow: hidden;
    isolation: isolate;
    background: #090a09;
}

.road, .road-shade {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.road {
    object-fit: cover;
    object-position: center;
}

.road-shade {
    z-index: 1;
    background: linear-gradient(90deg, rgba(7, 8, 7, .8), rgba(7, 8, 7, .28) 55%, rgba(7, 8, 7, .52)), linear-gradient(0deg, rgba(7, 8, 7, .45), transparent 55%);
}

.concept-header {
    position: absolute;
    z-index: 5;
    top: clamp(1.4rem, 3.8vw, 3.2rem);
    right: clamp(1.5rem, 5vw, 6rem);
    left: clamp(1.5rem, 5vw, 6rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.brand img {
    display: block;
    width: clamp(12rem, 20vw, 18rem);
    height: auto;
}

.header-note {
    color: rgba(255,255,255,.75);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.alignment-zone {
    position: absolute;
    z-index: 2;
    left: 62%;
    top: 51%;
    width: min(76vw, 930px);
    aspect-ratio: 1 / 1;
    transform: translate(-50%, -50%);
}

.background-mark, .video-mark {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.background-mark {
    z-index: 1;
    object-fit: contain;
    opacity: .8;
}

.video-mark {
    z-index: 2;
    opacity: .62;
    object-fit: cover;
    object-position: 51% 52%;
    filter: saturate(1.08) contrast(1.05) brightness(1.08);
    -webkit-mask: url("motion-assets/AT.svg") center / 100% 100% no-repeat;
    mask: url("motion-assets/AT.svg") center / 100% 100% no-repeat;
    transform: none;
    will-change: opacity;
}

.intro-copy {
    position: absolute;
    z-index: 4;
    left: clamp(1.5rem, 8vw, 9rem);
    bottom: clamp(4rem, 13vh, 9rem);
    width: min(38rem, 74vw);
    transition: opacity .15s linear, transform .15s linear;
}

.intro-copy p, .kicker {
    margin: 0 0 1rem;
    color: var(--lime);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.intro-copy h1 {
    max-width: 12ch;
    margin: 0;
    font-size: clamp(4rem, 8vw, 6.2rem);
    letter-spacing: -2px;
    line-height: .84;
    text-transform: uppercase;
}

.hero-line {
    display: block;
    opacity: 0;
    transform: translateY(.65em);
    transition: opacity .6s ease, transform .7s cubic-bezier(.16, 1, .3, 1);
}

.hero-line-clean {
    margin-top: 20px;
}

.pinned-scene.efficiency-visible .hero-line-efficiency {
    opacity: 1;
    transform: none;
}

.pinned-scene.clean-power-visible .hero-line-clean {
    opacity: 1;
    transform: none;
}

.pinned-scene.power-visible .hero-line-power {
    opacity: 1;
    transform: none;
}

.hero-line-diesel {
    margin-top: 20px;
}

.pinned-scene.diesel-visible .hero-line-diesel {
    opacity: 1;
    transform: none;
}

.scroll-cue {
    position: absolute;
    z-index: 4;
    right: clamp(1.5rem, 5vw, 6rem);
    bottom: clamp(1.5rem, 4vw, 3rem);
    display: flex;
    align-items: center;
    gap: .65rem;
    color: rgba(255,255,255,.82);
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.scroll-cue span {
    display: block;
    width: .45rem;
    height: .45rem;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 0 .32rem rgba(216,235,61,.2);
}

.after-story {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    background: #eff0e9;
    color: #11150f;
}

.statement {
    min-height: 95svh;
    padding: clamp(6rem, 14vw, 12rem) clamp(1.5rem, 10vw, 12rem);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.statement .kicker {
    color: #687416;
}

.statement h2 {
    max-width: 14ch;
    margin: 0;
    font-size: clamp(3.2rem, 8vw, 9rem);
    letter-spacing: -.075em;
    line-height: .87;
    text-transform: uppercase;
}

.body-copy {
    max-width: 32rem;
    margin: 2rem 0 0;
    font-size: clamp(1.1rem, 1.7vw, 1.45rem);
    line-height: 1.45;
}

.split-content {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 3rem;
    padding: clamp(3rem, 7vw, 8rem) clamp(1.5rem, 10vw, 12rem);
    min-height: 55svh;
    background: var(--lime);
}

.split-content p {
    max-width: 22ch;
    margin: 0;
    font-size: clamp(1.6rem, 3.3vw, 3.75rem);
    font-weight: 700;
    letter-spacing: -.055em;
    line-height: .98;
}

.split-content a {
    color: #11150f;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-decoration: none;
    text-transform: uppercase;
}

.looped-sections {
    order: -1;
    height: 400svh;
    background: var(--ink);
}

.looped-scene {
    position: sticky;
    top: 0;
    height: 100svh;
    overflow: hidden;
    isolation: isolate;
    background: var(--ink);
}

.looped-panel-stack, .looped-panel {
    position: absolute;
    inset: 0;
}

.looped-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(14rem, 24rem);
    grid-template-rows: auto 1fr auto;
    gap: 1.5rem 4rem;
    align-items: end;
    padding: clamp(1.5rem, 6vw, 6rem);
    color: #f5f6ef;
    transform: translateY(100%);
    opacity: 0;
    transition: transform .24s cubic-bezier(.22, .8, .28, 1), opacity .2s linear;
    will-change: transform, opacity;
}

.looped-panel > * {
    margin: 0;
}

.looped-panel h2 {
    max-width: 10ch;
    margin: 0;
    font-size: clamp(4rem, 9.2vw, 10rem);
    letter-spacing: -.085em;
    line-height: .82;
    text-transform: uppercase;
}

.panel-fuels h2 {
    max-width: 12ch;
    font-size: clamp(3rem, 6.4vw, 7rem);
}

.looped-number {
    grid-column: 1 / -1;
    align-self: start;
    color: rgba(255,255,255,.55);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .16em;
}

.looped-kicker, .looped-label, .looped-cue {
    margin: 0 0 1rem;
    color: var(--lime);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.looped-copy {
    max-width: 20rem;
    padding-bottom: .5rem;
    font-size: clamp(1rem, 1.5vw, 1.3rem);
    line-height: 1.42;
}

.fuel-detail-column {
    position: absolute;
    z-index: 2;
    grid-column: 1 / -1;
    grid-row: 1 / -1;
    top: 0;
    right: calc(-1 * clamp(1.5rem, 6vw, 6rem));
    bottom: 0;
    left: calc(-1 * clamp(1.5rem, 6vw, 6rem));
    display: flex;
    min-width: 0;
    width: auto;
    margin: 0;
    flex-direction: column;
    justify-content: flex-start;
    gap: .75rem;
    color: #11150f;
}

.fuel-model-stage {
    position: relative;
    flex: 0 0 clamp(21.6rem, 46svh, 36rem);
    width: 100%;
    min-height: 0;
    overflow: hidden;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    cursor: grab;
    touch-action: none;
    outline: none;
}

.fuel-model-stage:focus-visible {
    outline: 2px solid #11150f;
    outline-offset: 4px;
}

.fuel-model-stage.is-dragging {
    cursor: grabbing;
}

.fuel-model-stage canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.fuel-model-loading {
    position: absolute;
    inset: 50% auto auto 50%;
    margin: 0;
    color: rgba(17,21,15,.7);
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
    transform: translate(-50%, -50%);
    white-space: nowrap;
}

.fuel-model-loading[hidden] {
    display: none;
}

.fuel-model-controls {
    position: absolute;
    z-index: 2;
    right: .75rem;
    bottom: .75rem;
    display: flex;
    gap: .4rem;
}

.fuel-model-arrow {
    display: grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: #11150f;
    cursor: pointer;
    font-size: 1.15rem;
    line-height: 1;
}

.fuel-model-arrow:hover {
    background: transparent;
    transform: scale(1.18);
}

.fuel-carousel-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    padding-right: clamp(2rem, 6vw, 6rem);
}

.fuel-carousel-position {
    margin: 0;
    color: rgba(17,21,15,.66);
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .13em;
}

.fuel-carousel-dots {
    display: flex;
    gap: .4rem;
}

.fuel-carousel-dot {
    width: .44rem;
    height: .44rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(17,21,15,.3);
    cursor: pointer;
    transition: transform .2s ease, background .2s ease;
}

.fuel-carousel-dot.is-active {
    background: #11150f;
    transform: scale(1.45);
}

.fuel-carousel-copy {
    align-self: flex-end;
    width: min(100%, 28rem);
    margin-top: auto;
    margin-left: auto;
    padding-right: 2em;
    padding-bottom: clamp(2.5rem, 5vh, 4.5rem);
    transition: opacity .22s ease, transform .22s ease;
}

.fuel-carousel.is-changing .fuel-carousel-copy {
    opacity: 0;
    transform: translateY(.45rem);
}

.fuel-carousel-kicker {
    margin: 0 0 .35rem;
    color: rgba(17,21,15,.68);
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.fuel-carousel-copy h3 {
    max-width: 16ch;
    margin: 0;
    color: #11150f;
    font-size: clamp(1.3rem, 2vw, 2rem);
    letter-spacing: -.055em;
    line-height: .95;
}

.fuel-carousel-copy [data-fuel-copy] {
    max-width: 30rem;
    margin: .7rem 0 0;
    color: rgba(17,21,15,.8);
    font-size: clamp(.8rem, 1.05vw, 1.05rem);
    line-height: 1.35;
}

.fuel-carousel-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    margin-top: .8rem;
    color: #11150f;
    font-size: .66rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-decoration: none;
    text-transform: uppercase;
}

.fuel-carousel-link span {
    transition: transform .2s ease;
}

.fuel-carousel-link:hover span {
    transform: translate(.2rem, -.15rem);
}

.panel-fuels {
    position: absolute;
    overflow: hidden;
    min-height: 0;
    background: #000;
}

.panel-fuels::before {
    display: none;
}

.panel-fuels > * {
    position: relative;
    z-index: 1;
}

.panel-fuels > .fuel-detail-column {
    position: absolute;
    z-index: 2;
}

.panel-fuels .fuel-detail-column {
    color: #f5f6ef;
}

.panel-fuels .fuel-model-arrow {
    color: #f5f6ef;
}

.panel-fuels .fuel-carousel-position, .panel-fuels .fuel-carousel-kicker {
    color: rgba(255,255,255,.58);
}

.panel-fuels .fuel-carousel-copy h3 {
    color: #f5f6ef;
}

.panel-fuels .fuel-carousel-copy [data-fuel-copy] {
    color: rgba(255,255,255,.78);
}

.panel-fuels .fuel-carousel-link {
    color: var(--lime);
}

.panel-fuels .fuel-carousel-dot {
    background: rgba(255,255,255,.28);
}

.panel-fuels .fuel-carousel-dot.is-active {
    background: var(--lime);
}

.fuel-heading span {
    display: block;
}

.fuel-heading span:first-child {
    letter-spacing: -.04em;
    word-spacing: .08em;
}

.fuel-heading span:first-child .fuel-word-gap {
    display: inline;
    margin-left: .1em;
}

.fuel-heading span + span {
    letter-spacing: -.04em;
    opacity: 0;
    transform: translateY(.45em);
    transition: opacity .55s ease, transform .55s cubic-bezier(.16, 1, .3, 1);
}

.panel-fuels.fuel-sequence-started .fuel-heading span:nth-child(2) {
    opacity: 1;
    transform: none;
    transition-delay: .5s;
}

.panel-fuels.fuel-sequence-started .fuel-heading span:nth-child(3) {
    opacity: 1;
    transform: none;
    transition-delay: 1s;
}

.panel-fuels.fuel-sequence-started .fuel-heading span:nth-child(4) {
    opacity: 1;
    transform: none;
    transition-delay: 1.5s;
}

.panel-systems {
    background: linear-gradient(112deg, rgba(7,8,7,.78), rgba(7,8,7,.42)), url("parallax-assets/aetherion-background.png") center / cover;
}

.panel-systems::before {
    opacity: .35;
}

.panel-placeholder {
    color: #11150f;
    background: var(--lime);
}

.panel-placeholder::before {
    opacity: .26;
    filter: grayscale(1) brightness(.2);
}

.panel-placeholder .looped-kicker, .panel-placeholder .looped-number, .panel-placeholder .looped-copy {
    color: #11150f;
}

.looped-label {
    position: absolute;
    z-index: 3;
    top: clamp(1.5rem, 4vw, 3rem);
    left: clamp(1.5rem, 6vw, 6rem);
}

.looped-progress {
    position: absolute;
    z-index: 3;
    right: clamp(1.5rem, 4vw, 3rem);
    top: 50%;
    display: grid;
    gap: .7rem;
    transform: translateY(-50%);
}

.looped-progress span {
    display: block;
    width: .48rem;
    height: .48rem;
    border-radius: 50%;
    background: rgba(255,255,255,.38);
    transition: transform .25s ease, background .25s ease;
}

.looped-progress .is-active {
    background: var(--lime);
    transform: scale(1.55);
}

.looped-cue {
    position: absolute;
    z-index: 3;
    right: clamp(1.5rem, 6vw, 6rem);
    bottom: clamp(1.5rem, 4vw, 3rem);
    color: rgba(255,255,255,.75);
}

.looped-cue span {
    display: inline-block;
    margin-left: .45rem;
    color: var(--lime);
}

.placeholder-content {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(14rem, .8fr);
    gap: 4rem;
    align-items: end;
    min-height: 70svh;
    padding: clamp(5rem, 11vw, 10rem) clamp(1.5rem, 10vw, 12rem);
    background: #10150d;
    color: #f5f6ef;
}

.placeholder-content h2 {
    max-width: 10ch;
    margin: 0;
    font-size: clamp(3.8rem, 8vw, 8rem);
    letter-spacing: -.08em;
    line-height: .85;
    text-transform: uppercase;
}

.placeholder-content .kicker {
    color: var(--lime);
}

.placeholder-content > p {
    max-width: 24rem;
    margin: 0;
    color: rgba(255,255,255,.72);
    font-size: clamp(1rem, 1.5vw, 1.3rem);
    line-height: 1.45;
}

@media (max-width: 700px) {
    .parallax-story {
        height: 240svh;
    }

    .header-note {
        display: none;
    }

    .alignment-zone {
        left: 58%;
        width: 118vw;
    }

    .intro-copy {
        bottom: 7rem;
    }

    .intro-copy h1 {
        font-size: clamp(3.6rem, 17vw, 5.7rem);
    }

    .split-content {
        grid-template-columns: 1fr;
    }

    .looped-sections {
        height: 400svh;
    }

    .looped-panel {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
        gap: 1rem;
        padding-bottom: 5.4rem;
    }

    .looped-panel h2 {
        font-size: clamp(3.7rem, 17vw, 6.2rem);
    }

    .looped-copy {
        max-width: 17rem;
    }

    .fuel-detail-column {
        position: relative;
        grid-column: auto;
        grid-row: auto;
        inset: auto;
        width: 100%;
        margin: 0;
        gap: .5rem;
    }

    .fuel-model-stage {
        flex-basis: 18.7rem;
    }

    .fuel-carousel-copy {
        width: 100%;
        margin-left: 0;
        padding-bottom: 0;
    }

    .fuel-carousel-copy h3 {
        font-size: 1.35rem;
    }

    .fuel-carousel-copy [data-fuel-copy] {
        max-width: 100%;
        font-size: .84rem;
        line-height: 1.3;
    }

    .fuel-carousel-link {
        margin-top: .55rem;
    }

    .placeholder-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        min-height: 85svh;
    }
}

@media (prefers-reduced-motion: reduce) {
    .video-mark {
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-line-diesel, .hero-line-efficiency, .hero-line-clean, .hero-line-power {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

/* The mega-menu column labels are compact navigation headings, not display
   headlines. Give them a small positive tracking value so adjacent labels
   remain legible at desktop and mobile breakpoints. */
@keyframes diesel-line-arrival {
    from {
        opacity: 0;
        transform: translateY(.65em);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.alignment-zone {
    left: 66%;
    top: 50%;
    width: auto;
    height: 100svh;
    aspect-ratio: 319.16 / 316.67;
}

.background-mark {
    transform-origin: 58% 50%;
    animation: chevron-arrival 1.3s cubic-bezier(.16, 1, .3, 1) both;
}

.background-mark-left {
    animation: left-mark-arrival 1.3s cubic-bezier(.16, 1, .3, 1) .4s both;
    opacity: .6;
    filter: grayscale(1) saturate(0) contrast(1.05) brightness(1.08);
    transition: opacity 3s cubic-bezier(.16, 1, .3, 1), filter 3s cubic-bezier(.16, 1, .3, 1);
}

.pinned-scene.right-video-color .background-mark-left {
    opacity: .8;
    filter: grayscale(0) saturate(1.08) contrast(1.05) brightness(1.08);
}

/* CLEAN is the color cue for the left mark. */
.pinned-scene.clean-power-visible .background-mark-left {
    filter: grayscale(0) saturate(1.08) contrast(1.05) brightness(1.08);
    transition: opacity 3s cubic-bezier(.16, 1, .3, 1), filter .7s cubic-bezier(.16, 1, .3, 1);
    animation: left-mark-efficiency-color .75s cubic-bezier(.16, 1, .3, 1) both;
}

/* POWER is the color cue: make the left mark leave grayscale quickly while
   the right-hand masked video continues its longer color transition. */
.pinned-scene.power-visible .background-mark-left {
    transition: opacity 3s cubic-bezier(.16, 1, .3, 1), filter .7s cubic-bezier(.16, 1, .3, 1);
}

.traffic-background {
    position: absolute;
    z-index: 0;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transition: opacity .8s ease;
}

.pinned-scene .road {
    transition: opacity .8s ease;
}

.pinned-scene.traffic-active .traffic-background {
    opacity: 1;
}

.pinned-scene.traffic-active .road {
    opacity: 0;
}

.pinned-scene .road-shade {
    transition: opacity .8s ease;
}

.pinned-scene.traffic-active .road-shade {
    opacity: .38;
}

.pinned-scene.traffic-active .background-mark {
    opacity: .8;
}

/* The navigation waits for the full-mark reveal, then resolves into the hero. */
.mark-lockup {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 1;
}

.mark-piece {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
}

.brand {
    position: relative;
    --brand-logo-width: clamp(12rem, 20vw, 18rem);
    --brand-mark-width: clamp(2rem, 4.2vw, 3.8rem);
    width: var(--brand-logo-width);
}

.brand-wordmark {
    display: block;
    width: calc(var(--brand-logo-width) - var(--brand-mark-width));
    height: auto;
    margin-left: var(--brand-mark-width);
    overflow: hidden;
    opacity: 0;
    transition: opacity .45s ease;
}

.brand-wordmark img {
    width: var(--brand-logo-width);
    max-width: none;
    transform: translateX(calc(var(--brand-mark-width) * -1));
}

.brand-mark-overlay {
    position: absolute;
    z-index: 1;
    top: 0;
    bottom: 0;
    left: 0;
    width: auto;
    aspect-ratio: 1;
    overflow: visible;
    opacity: 0;
    pointer-events: none;
}

.brand-mark-overlay .mark-piece {
    width: 100%;
    height: 100%;
}

.brand-mark-overlay .mark-piece-start {
    opacity: 0;
    transform: none;
}

.brand-mark-overlay .mark-piece-end {
    opacity: 1;
    transform: none;
}

.pinned-scene.brand-ready .brand-mark-overlay {
    opacity: 1;
}

.pinned-scene.brand-mark-flight .brand-wordmark {
    opacity: 1;
}

.pinned-scene.brand-mark-flight .brand-mark-overlay .mark-piece-start {
    animation: mark-piece-start-fade 1.35s cubic-bezier(.16, 1, .3, 1) both;
}

.pinned-scene.brand-mark-flight .brand-mark-overlay .mark-piece-end {
    animation: mark-piece-fly-right 1.35s cubic-bezier(.16, 1, .3, 1) both;
}

.concept-header {
    opacity: 0;
    transform: translateY(-1rem);
    pointer-events: none;
    transition: opacity .75s ease .1s, transform .75s cubic-bezier(.16, 1, .3, 1) .1s;
}

.pinned-scene.brand-ready .concept-header {
    opacity: 1;
    transform: none;
    pointer-events: none;
}

.pinned-scene.navigation-ready .concept-header {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.concept-header .brand {
    opacity: 0;
    transform: translateX(-1rem);
    transition: opacity .7s ease, transform .7s cubic-bezier(.16, 1, .3, 1);
}

.pinned-scene.brand-ready .concept-header .brand {
    opacity: 1;
    transform: none;
}

.primary-nav {
    position: absolute;
    right: 0;
    left: auto;
    opacity: 0;
    transform: translateY(-.7rem);
    transition: opacity .65s ease, transform .65s cubic-bezier(.16, 1, .3, 1);
}

.pinned-scene.navigation-ready .primary-nav {
    opacity: 1;
    transform: translateY(0);
}

.primary-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(1.2rem, 3.2vw, 4rem);
}

.primary-nav button, .mega-close {
    appearance: none;
    border: 0;
    background: transparent;
    color: #fff;
    cursor: pointer;
    font: inherit;
}

.primary-nav button {
    padding: .5rem 0;
    font-size: clamp(.7rem, .9vw, .95rem);
    font-weight: 800;
    letter-spacing: .02em;
    text-transform: uppercase;
    transition: color .2s ease;
}

.primary-nav button:hover, .primary-nav button.is-active {
    color: var(--lime);
}

.menu-toggle {
    display: none;
    appearance: none;
    border: 0;
    background: transparent;
    color: #fff;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 1.7rem;
    height: 2px;
    margin: .3rem 0;
    background: currentColor;
    transition: transform .25s ease, opacity .2s ease;
}

.mega-menu {
    position: fixed;
    z-index: 50;
    inset: 0;
    overflow: auto;
    color: #f7f8f2;
    transition: opacity .35s ease, visibility .35s ease;
}

.mega-menu.is-open {
    opacity: 1;
    visibility: visible;
}

.mega-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(4, 6, 4, .76);
    backdrop-filter: blur(12px);
}

.mega-panel {
    position: relative;
    min-height: 100%;
    padding: clamp(1.5rem, 4vw, 4rem) clamp(1.5rem, 6vw, 7rem) clamp(4rem, 8vw, 8rem);
    overflow: hidden;
    background: linear-gradient(135deg, rgba(12, 18, 11, .97), rgba(8, 10, 8, .93) 68%, rgba(196, 216, 46, .12));
    transform: translateY(-1.5rem);
    transition: transform .55s cubic-bezier(.16, 1, .3, 1);
}

.mega-menu.is-open .mega-panel {
    transform: none;
}

.mega-topline {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,.18);
}

.mega-eyebrow, .mega-kicker {
    margin: 0;
    color: var(--lime);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.mega-close {
    padding: .5rem 0;
    color: rgba(255,255,255,.78);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.mega-close span {
    display: inline-block;
    margin-left: .5rem;
    color: var(--lime);
    font-size: 1.5rem;
    font-weight: 300;
    line-height: .5;
    vertical-align: middle;
}

.mega-panels {
    position: relative;
    z-index: 1;
}

.mega-content {
    display: none;
    padding-top: clamp(2.5rem, 6vw, 6rem);
}

.mega-content.is-active {
    display: block;
    animation: menu-content-arrival .45s ease both;
}

.mega-content h2 {
    margin: .5rem 0 clamp(2rem, 4vw, 4rem);
    font-size: clamp(3.8rem, 10vw, 10rem);
    letter-spacing: -.085em;
    line-height: .8;
    text-transform: uppercase;
}

.mega-columns {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(1.5rem, 3vw, 4rem);
}

.mega-content[data-menu-panel="solutions"] .mega-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mega-column {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: .5rem;
    min-width: 0;
}

.mega-column h3 {
    width: 100%;
    margin: 0 0 .8rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,.22);
    color: rgba(255,255,255,.72);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .14em;
    line-height: 1.25;
    text-transform: uppercase;
}

.mega-column h3 em {
    color: var(--lime);
    font-style: normal;
}

.mega-column a {
    color: rgba(255,255,255,.9);
    font-size: clamp(.8rem, 1vw, 1rem);
    line-height: 1.25;
    text-decoration: none;
    transition: color .2s ease, transform .2s ease;
}

.mega-column a:hover {
    color: var(--lime);
    transform: translateX(.25rem);
}

.mega-cta {
    margin-top: 2rem;
    color: var(--lime) !important;
    font-weight: 800;
    text-transform: uppercase;
}

.mega-cta span {
    display: inline-block;
    margin-left: .3rem;
    transition: transform .2s ease;
}

.mega-cta:hover span {
    transform: translateX(.3rem);
}

.compact-menu .mega-columns {
    grid-template-columns: minmax(14rem, 26rem);
}

.compact-menu .mega-column a {
    font-size: clamp(1.1rem, 2vw, 1.7rem);
    line-height: 1.2;
}

.resources-menu .mega-columns {
    grid-template-columns: repeat(2, minmax(12rem, 25rem));
}

body.menu-open, body.mobile-nav-open {
    overflow: hidden;
}

@keyframes mark-piece-fly-right {
    0% {
        opacity: 1;
        transform: none;
        filter: brightness(1);
    }

    48% {
        opacity: 1;
        transform: translateX(calc(100vw - var(--brand-mark-width) - 6rem)) scale(1.08);
        filter: brightness(1.25);
    }

    68% {
        opacity: 1;
        transform: translateX(calc(100vw - var(--brand-mark-width) - 6rem)) scale(1.08);
        filter: brightness(1.25);
    }

    100% {
        opacity: 1;
        transform: none;
        filter: brightness(1);
    }
}

@keyframes mark-piece-start-fade {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes menu-content-arrival {
    from {
        opacity: 0;
        transform: translateY(1rem);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.video-mark {
    -webkit-mask: url("parallax-assets/aetherion-mark.svg") center / 100% 100% no-repeat;
    mask: url("parallax-assets/aetherion-mark.svg") center / 100% 100% no-repeat;
    opacity: 0;
    transition: opacity .75s cubic-bezier(.16, 1, .3, 1);
}

/* Each side of the large mark has its own mask/video layer so the clips can
   be swapped independently without changing the alignment zone. */
.video-mark.video-mark-left {
    -webkit-mask: url("parallax-assets/lgmark-left.svg") center / 100% 100% no-repeat;
    mask: url("parallax-assets/lgmark-left.svg") center / 100% 100% no-repeat;
}

.video-mark.video-mark-right {
    -webkit-mask: url("parallax-assets/lgmark-right.svg") center / 100% 100% no-repeat;
    mask: url("parallax-assets/lgmark-right.svg") center / 100% 100% no-repeat;
    filter: grayscale(1) saturate(0) contrast(1.05) brightness(1.08);
    transition: opacity .75s cubic-bezier(.16, 1, .3, 1), filter 3s cubic-bezier(.16, 1, .3, 1);
}

.pinned-scene.right-video-color .video-mark.video-mark-right {
    opacity: 1;
    filter: grayscale(0) saturate(1.08) contrast(1.05) brightness(1.08);
}

/* The left mark gets a restrained contrast lift once the clean-power reveal
   and the right-hand colour transition have completed.  Target both the
   static mark and a future left video mask so the choreography stays intact
   if the media source is swapped back in. */
.pinned-scene.left-mark-contrast .background-mark-left, .pinned-scene.left-mark-contrast .video-mark-left {
    will-change: filter;
    animation: left-mark-contrast-lift 1.2s cubic-bezier(.16, 1, .3, 1) both;
}

@keyframes left-mark-contrast-lift {
    0% {
        filter: grayscale(0) saturate(1.08) contrast(1.05) brightness(1.08);
    }

    48% {
        filter: grayscale(0) saturate(1.1) contrast(1.22) brightness(1.11);
    }

    100% {
        filter: grayscale(0) saturate(1.08) contrast(1.1) brightness(1.09);
    }
}

@keyframes left-mark-efficiency-color {
    0% {
        opacity: .6;
        filter: grayscale(1) saturate(0) contrast(1.05) brightness(1.08);
        transform: none;
    }

    52% {
        opacity: .9;
        filter: grayscale(.2) saturate(1.06) contrast(1.18) brightness(1.1);
        transform: none;
    }

    100% {
        opacity: .95;
        filter: grayscale(0) saturate(1.08) contrast(1.05) brightness(1.08);
        transform: none;
    }
}

@keyframes chevron-arrival {
    0% {
        opacity: 0;
        filter: blur(15px);
        transform: translate3d(15vw, 0, 0) scale(.88);
    }

    55% {
        opacity: .8;
        filter: blur(0);
        transform: translate3d(-1.4vw, 0, 0) scale(1.02);
    }

    100% {
        opacity: .8;
        filter: blur(0);
        transform: none;
    }
}

@keyframes left-mark-arrival {
    0% {
        opacity: 0;
        filter: blur(15px) grayscale(1) saturate(0) contrast(1.05) brightness(1.08);
        transform: translate3d(-15vw, 0, 0) scale(.88);
    }

    55% {
        opacity: .6;
        filter: blur(0) grayscale(1) saturate(0) contrast(1.05) brightness(1.08);
        transform: translate3d(1.4vw, 0, 0) scale(1.02);
    }

    100% {
        opacity: .6;
        filter: blur(0) grayscale(1) saturate(0) contrast(1.05) brightness(1.08);
        transform: none;
    }
}

@media (max-width: 700px) {
    .alignment-zone {
        left: 61%;
        height: 86svh;
    }

    .concept-header {
        right: 1.5rem;
        left: 1.5rem;
    }

    .brand {
        --brand-logo-width: 9.5rem;
        --brand-mark-width: 2rem;
    }

    .menu-toggle {
        position: relative;
        z-index: 2;
        display: inline-block;
        padding: .35rem;
        margin-left: auto;
    }

    .pinned-scene.mobile-nav-open .menu-toggle span:nth-child(1) {
        transform: translateY(.5rem) rotate(45deg);
    }

    .pinned-scene.mobile-nav-open .menu-toggle span:nth-child(2) {
        opacity: 0;
    }

    .pinned-scene.mobile-nav-open .menu-toggle span:nth-child(3) {
        transform: translateY(-.5rem) rotate(-45deg);
    }

    .primary-nav {
        position: fixed;
        z-index: 1;
        inset: 0;
        display: flex;
        width: 100vw;
        height: 100svh;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: .35rem;
        padding: 6rem 2rem 4rem;
        border: 0;
        background: linear-gradient(135deg, rgba(8, 10, 8, .98), rgba(17, 24, 13, .96));
        box-shadow: none;
        backdrop-filter: blur(18px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-1rem);
    }

    .pinned-scene.navigation-ready .primary-nav {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-.7rem);
    }

    .pinned-scene.navigation-ready.mobile-nav-open .primary-nav {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
    }

    .primary-nav button {
        width: min(22rem, 100%);
        padding: .85rem .7rem;
        font-size: clamp(.9rem, 3vw, 1.1rem);
        text-align: center;
    }

    .mega-columns, .resources-menu .mega-columns, .mega-content[data-menu-panel="solutions"] .mega-columns {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 2rem 1rem;
    }

    .mega-content h2 {
        font-size: clamp(3.7rem, 17vw, 6rem);
    }

    .mega-column a {
        font-size: .78rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .background-mark {
        animation: none;
    }

    .pinned-scene.clean-power-visible .background-mark-left {
        animation: none;
        opacity: .95;
        filter: grayscale(0) saturate(1.08) contrast(1.05) brightness(1.08);
        transform: none;
    }

    .pinned-scene.left-mark-contrast .background-mark-left, .pinned-scene.left-mark-contrast .video-mark-left {
        animation: none;
        filter: grayscale(0) saturate(1.08) contrast(1.1) brightness(1.09);
    }
}

h1, h2, h3, h4, h5, h6 {
    /* Keep display headings tight without collapsing letters at smaller sizes. */
    letter-spacing: -0.02em !important;
}

/* The mega-menu column labels are compact navigation headings, not display
   headlines. Give them a small positive tracking value so adjacent labels
   remain legible at desktop and mobile breakpoints. */
.mega-column h3 {
    letter-spacing: 0.01em !important;
}

:root {
    --max: 1380px;
    --g: clamp(18px,3vw,42px);
    --accent: #c7dd29;
    --p: 0;
    --x: 0px;
    --y: 0px;
    --w: 270px;
    --h: 46px
}

body {
    margin: 0;
    background: #f4f5f0
}

.shell,.content-inner {
    width: min(calc(100% - var(--g)*2),var(--max));
    margin: auto
}

.site-header {
    position: sticky;
    top: 20px;
    height: 0;
    z-index: 20;
    pointer-events: none
}

.navbar {
    position: relative;
    display: grid;
    grid-template-columns: 290px 1fr auto;
    align-items: center;
    min-height: 72px;
    padding: 0 18px;
    background: #11170e;
    border-radius: 17px;
    pointer-events: auto;
    box-shadow: 0 18px 46px #0005
}

.nav-logo-mask {
    position: absolute;
    inset: 0;
    overflow: hidden
}

.nav-logo {
    position: absolute;
    width: var(--w);
    height: var(--h);
    transform: translate3d(var(--x),calc(var(--y) + (1 - var(--p))*18px),0);
    opacity: var(--p)
}

.nav-tabs {
    display: flex;
    justify-content: center
}

.nav-tab {
    border: 0;
    background: none;
    color: #fff;
    padding: 26px 12px;
    cursor: pointer
}

.nav-tab.active {
    box-shadow: inset 0 -3px #fff
}

.contact {
    background: var(--accent);
    padding: 15px 22px;
    border-radius: 15px;
    color: #17200e;
    text-decoration: none;
    font-weight: bold
}

.mega-menu {
    position: absolute;
    left: 0;
    right: 0;
    top: 82px;
    height: 610px;
    display: grid;
    grid-template-columns: 245px 1fr;
    background: #050505;
    color: #fff;
    border-radius: 20px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: .22s
}

.mega-menu.open {
    opacity: 1;
    visibility: visible;
    transform: none
}

.mega-sidebar {
    padding: 30px 24px;
    background: #222
}

.image-placeholder {
    height: 130px;
    border-radius: 15px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg,#354c43,#9db5a6);
    text-transform: uppercase;
    font-size: 12px
}

.mega-sidebar p {
    line-height: 1.5;
    color: #ddd
}

.mega-sidebar a {
    color: #fff
}

.mega-main {
    padding: 28px;
    overflow: hidden
}

#megaPanel {
    height: 100%;
    overflow: auto
}

.switching {
    animation: swap .32s
}

@keyframes swap {
    from {
        opacity: 0;
        transform: translateY(-14px)
    }

    to {
        opacity: 1;
        transform: none
    }
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 28px 38px
}

.menu-group h3 {
    font-size: 12px;
    color: #888;
    border-bottom: 1px solid #444;
    padding-bottom: 10px;
    text-transform: uppercase
}

.menu-group a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 6px;
    line-height: 1.35
}

.menu-group a:hover {
    background: #242424
}

.hero {
    position: relative;
    height: min(900px,100vh);
    min-height: 700px;
    overflow: hidden;
    background: #15323d
}

.hero-bg,.portal {
    position: absolute;
    inset: 0;
    background: url(hero-truck.jpg) center/cover
}

.hero-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,#07161799,#07161722 60%,transparent)
}

.portal {
    filter: saturate(1.2) contrast(1.08) brightness(1.12);
    transform: scale(1.07);
    -webkit-mask: url(mark.png) clamp(-80px,4vw,70px) 48%/min(52vw,720px) auto no-repeat;
    mask: url(mark.png) clamp(-80px,4vw,70px) 48%/min(52vw,720px) auto no-repeat
}

.mark {
    position: absolute;
    left: clamp(-80px,4vw,70px);
    top: 48%;
    width: min(52vw,720px);
    transform: translateY(-50%);
    opacity: .16;
    filter: invert(1)
}

.hero-inner {
    position: relative;
    height: 100%;
    padding-top: 128px
}

.hero-logo {
    width: 270px;
    opacity: calc(1 - var(--p))
}

.hero-copy {
    position: absolute;
    top: 29%;
    color: #fff
}

.hero-copy h1 {
    font-size: clamp(48px,5.4vw,86px);
    line-height: .94;
    text-transform: uppercase
}

.hero-copy a {
    display: inline-block;
    padding: 14px 26px;
    margin-right: 12px;
    border-radius: 13px;
    background: var(--accent);
    color: #182011
}

.hero-copy a.light {
    background: #fff
}

.content {
    min-height: 760px;
    padding: 130px 0;
    background: #fff
}

.content.alt {
    background: #edf0e8
}

.content h2,footer h2 {
    font-size: clamp(48px,6vw,88px)
}

.cards {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 20px;
    margin-top: 60px
}

.cards article {
    padding: 28px;
    border: 1px solid #ccd2c5;
    border-radius: 18px
}

.lines {
    height: 500px;
    background: repeating-linear-gradient(#0001 0 17px,transparent 17px 42px)
}

footer {
    padding: 100px 0;
    background: #0d110b;
    color: #fff
}

@media(max-width: 1000px) {
    .menu-grid {
        grid-template-columns:repeat(2,1fr)
    }

    .nav-tab {
        padding-inline:7px;font-size: 12px
    }
}

:root {
    --lime: #9baf05;
    --ink: #18142d;
    --forest: #192b2c;
    --paper: #e8e9e2
}

* {
    box-sizing: border-box
}

body {
    background: #050606;
    color: #f5f5f0;
    font-size: 16px;
    line-height: 1.55
}

a {
    color: inherit;
    text-decoration: none
}

a:focus-visible,button:focus-visible,input:focus-visible {
    outline: 3px solid var(--lime);
    outline-offset: 5px
}

.container {
    max-width: 1280px
}

h1,h2,h3 {
    letter-spacing: -.045em;
    line-height: 1.12;
    font-weight: 500
}

h2 {
    font-size: clamp(32px,3.4vw,49px)
}

h3 {
    font-size: 27px
}

h2 span,.arrow {
    color: var(--lime)
}

p {
    color: #b8c1bd
}

.eyebrow {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 18px
}

.btn {
    font-size: 14px;
    font-weight: 600;
    border-radius: 6px;
    padding: 16px 26px;
    letter-spacing: 0;
    white-space: normal
}

.btn-light {
    background: #fafbf7;
    border-color: #fafbf7;
    color: var(--ink)
}

.btn-outline-light {
    border-color: #c4cbc9
}

.arrow {
    font-size: 26px;
    line-height: 0;
    margin-left: 16px
}

.skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 1100;
    background: #fff;
    color: #111;
    padding: 14px
}

.skip-link:focus {
    top: 12px
}

.hb-header {
    position: absolute;
    inset: 0 0 auto;
    z-index: 100;
    background: #6b7268;
    min-height: 86px;
    padding: 14px 0
}

.navbar-brand img {
    object-fit: contain
}

.hb-header .nav-link {
    font-size: 13px;
    color: #f5f5ef;
    padding: 12px 16px!important
}

.hb-header .nav-link:hover {
    color: var(--lime)
}

.contact-button {
    padding: 9px 18px;
    font-size: 12px
}

.hb-hero {
    min-height: 900px;
    background-image: linear-gradient(90deg,rgba(11,27,21,.46),transparent 80%),var(--hero-image);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-start
}

.hb-hero-content {
    padding-top: 170px;
    padding-bottom: 150px
}

.hb-hero h1 {
    font-size: clamp(44px,5.15vw,76px);
    max-width: 730px;
    line-height: 1.1;
    margin-bottom: 48px
}

.hb-hero h1 span {
    display: block
}

.hero-description {
    font-size: 20px;
    line-height: 1.48;
    max-width: 555px;
    color: #fff;
    margin-bottom: 45px
}

.section-space {
    padding: 50px 0
}

.narrow {
    max-width: 1040px
}

.hb-thesis h2 {
    font-size: clamp(30px,3.4vw,49px);
    line-height: 1.3
}

.hb-thesis .eyebrow {
    margin-bottom: 60px
}

.hb-portfolio {
    position: relative;
    padding-top: 20px;
    padding-bottom: 90px;
    isolation: isolate
}

.hb-portfolio:before,.hb-updates:before {
    content: "";
    position: absolute;
    inset: 120px 0 0;
    background: linear-gradient(#0003,#0003),url('/assets/images/road-into-mountains.webp') center/cover;
    filter: grayscale(1);
    z-index: -1;
    clip-path: polygon(0 8%,100% 0,100% 93%,0 100%)
}

.section-heading {
    margin-bottom: 40px
}

.section-heading h2 {
    margin-bottom: 30px
}

.light-panel {
    background: var(--paper);
    color: var(--ink);
    border-radius: 8px;
    overflow: hidden
}

.light-panel p {
    color: #616963
}

.portfolio-cards article {
    padding: 32px;
    border-right: 1px solid #fff6
}

.portfolio-cards h3 {
    font-size: 23px
}

.portfolio-cards .eyebrow {
    font-size: 10px;
    margin: 15px 0
}

.card-icon {
    display: inline-grid;
    place-items: center;
    background: #f8f9f3;
    color: #7e9510;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    font-size: 24px;
    margin-bottom: 20px
}

.stock-wrap {
    padding-top: 80px
}

.hb-stock {
    background: var(--forest);
    border-radius: 7px;
    padding: 48px 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px
}

.hb-stock .eyebrow {
    margin-bottom: 10px
}

.hb-stock p:last-child {
    margin: 18px 0 0
}

.hb-portal {
    padding-bottom: 60px
}

.portal-grid>a {
    padding: 42px;
    position: relative;
    border-right: 1px solid #fff8;
    border-bottom: 1px solid #fff8;
    transition: background .2s
}

.portal-grid>a:hover {
    background: #f7f8ef
}

.portal-grid p {
    margin-bottom: 0;
    font-size: 15px
}

.corner-arrow {
    position: absolute;
    right: 40px;
    top: 38px;
    color: #7e9510;
    font-size: 24px
}

.hb-events> .container>p:not(.eyebrow) {
    margin-top: 20px
}

.event-image {
    display: block;
    position: relative
}

.event-image img {
    width: 100%;
    aspect-ratio: 1.5;
    object-fit: cover
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    background: #fffffff0;
    color: var(--ink);
    border-radius: 6px;
    font-size: 38px;
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center
}

.event-caption {
    padding: 26px 0 12px
}

.event-caption h3 {
    font-size: 24px
}

.event-row {
    display: flex;
    gap: 22px;
    border-bottom: 1px solid #69726c;
    padding: 20px 0 28px;
    margin-bottom: 16px
}

.event-row h3 {
    font-size: 24px
}

.event-row .eyebrow {
    margin-bottom: 6px
}

.event-row p:last-child {
    font-size: 14px;
    margin-bottom: 0
}

.event-symbol {
    background: var(--paper);
    color: var(--ink);
    border-radius: 6px;
    padding: 3px 15px;
    font-size: 29px;
    height: 50px
}

.hb-updates {
    position: relative;
    isolation: isolate;
    margin: 40px 0 140px
}

.hb-updates:before {
    inset: 25px 0;
    background-image: linear-gradient(#0008,#0008),url('/assets/images/road-into-mountains.webp')
}

.hb-updates input[type=email] {
    width: 100%;
    background: var(--paper);
    border: 0;
    border-radius: 6px;
    padding: 14px;
    margin: 8px 0 25px
}

.hb-updates legend {
    font-size: 20px;
    margin-bottom: 20px
}

.preferences {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 25px
}

.preferences label {
    font-size: 14px
}

.preferences input {
    accent-color: var(--lime);
    margin-right: 8px
}

.subscribe-btn {
    width: 100%;
    background: var(--lime);
    color: #182009
}

.form-status {
    margin-top: 12px
}

.hb-contact {
    padding: 145px 0;
    background: linear-gradient(#14292180,#14292180),url('/assets/aeth/hero-truck.jpg') center 62%/cover
}

.hb-contact h2 {
    margin-bottom: 28px
}

.hb-contact p {
    color: #fff;
    margin-bottom: 30px
}

.hb-footer {
    padding: 75px 0 140px;
    background: var(--forest)
}

.hb-footer h2 {
    font-size: 14px;
    letter-spacing: 0;
    text-transform: uppercase;
    margin-bottom: 24px
}

.hb-footer a:not(.btn) {
    display: block;
    font-size: 14px;
    color: #bdc8c2;
    margin-bottom: 16px
}

.copyright {
    font-size: 12px;
    margin-top: 18px
}

.hb-footer .btn {
    font-size: 13px;
    padding: 12px 22px
}

@media(min-width: 1600px) {
    .hb-hero {
        min-height:980px
    }
}

@media(max-width: 991px) {
    .hb-header {
        min-height:80px
    }

    .hb-header .navbar-collapse {
        padding: 20px
    }

    .hb-hero {
        min-height: 780px;
        background-position: 60% center
    }

    .hb-hero-content {
        padding-top: 150px
    }

    .hb-hero h1 {
        max-width: 630px
    }

    .section-space {
        padding: 85px 0
    }

    .hb-stock {
        padding: 35px;
        align-items: flex-start;
        flex-direction: column
    }

    .hb-portfolio {
        padding-top: 20px
    }

    .hb-updates {
        margin: 20px 0 70px
    }

    .hb-footer {
        padding-bottom: 70px
    }
}

@media(max-width: 575px) {
    .hb-hero {
        min-height:850px;
        background-position: 62% center;
        background-image: linear-gradient(90deg,#10241cbf,#10241c40),var(--hero-image)
    }

    .hb-hero-content {
        padding-top: 145px
    }

    .hb-hero h1 {
        font-size: 46px;
        margin-bottom: 30px
    }

    .hero-description {
        font-size: 18px
    }

    .section-space {
        padding: 70px 0
    }

    .hb-thesis .eyebrow {
        margin-bottom: 28px
    }

    .portal-grid>a {
        padding: 30px
    }

    .portfolio-cards article {
        border-bottom: 1px solid #fff
    }

    .hb-stock {
        padding: 30px
    }

    .hb-contact {
        padding: 95px 0
    }

    .preferences {
        grid-template-columns: 1fr
    }

    .hb-header .navbar-brand img {
        width: 165px
    }

    .hb-portfolio {
        padding-top: 0
    }

    .hb-updates:before {
        clip-path: none
    }

    .hb-footer {
        padding: 55px 0
    }

    .event-row h3 {
        font-size: 22px
    }
}

@media(min-width: 992px) {
    .hb-header {
        padding:14px clamp(1.5rem,4vw,4.5rem)
    }

    .hb-header .navbar-brand img {
        width: 260px
    }

    .hb-header .navbar-collapse {
        justify-content: flex-end;
        margin-left: auto!important
    }

    .hb-header .navbar-nav {
        margin-left: auto!important;
        margin-right: 2rem!important;
        gap: 1.15rem
    }

    .hb-header .nav-link {
        padding: 12px 8px!important;
        font-size: 1rem;
        font-weight: 400;
        line-height: 1.2;
        text-transform: none
    }

    .hb-header .contact-button {
        font-size: 1rem;
        font-weight: 500;
        border-color: #fff;
        background: #fff;
        color: #18202a;
        border-radius: 8px;
        white-space: nowrap
    }
}

.hb-header.aeth-nav-hidden {
    transform: translateY(-100%);
    opacity: 1;
    pointer-events: none
}

.hb-header .navbar-brand img {
    width: clamp(184px,16vw,260px);
    height: auto
}

.hb-header .nav-link {
    font-family: inherit;
    font-size: clamp(14px,1vw,16px);
    font-weight: 500;
    letter-spacing: -.01em
}

.hb-header .contact-button {
    font-family: inherit;
    font-size: clamp(14px,1vw,16px);
    font-weight: 500;
    padding: 12px 20px
}

.hb-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    min-height: 0;
    padding: 24px 0;
    background: transparent!important;
    border: 0;
    box-shadow: none
}

.hb-header.navbar {
    position: fixed!important;
    top: 37px!important;
    right: 0!important;
    left: 0!important;
    inset: 37px 0 auto!important;
    z-index: 1002!important;
}

.hb-header .navbar-brand {
    width: 180px;
    padding: 0
}

.hb-header .navbar-nav {
    gap: .75rem!important
}

.hb-header .nav-link {
    padding: 4px 8px!important;
    font-size: 15px;
    color: #fff
}

.hb-header .contact-button {
    min-width: 106px;
    padding: 11px 18px;
    font-size: 14px;
    background: #fff;
    color: #142426;
    border: 0;
    border-radius: 8px
}

.hb-header .navbar-collapse {
    align-items: center
}

.hb-header .navbar-collapse {
    flex: 1 1 auto;
    margin-left: auto!important
}

.hb-header .navbar-nav {
    margin-left: auto!important;
    margin-right: 1.25rem!important;
    align-items: center
}

.hb-header .container-fluid {
    display: grid;
    grid-template-columns: 220px minmax(0,1fr);
    align-items: center
}

.hb-header .container-fluid {
    display: flex!important;
}

.hb-header .navbar-brand {
    flex: 0 0 260px!important
}

.hb-header #aethMenu {
    display: grid!important;
    grid-template-columns: minmax(0,1fr) auto;
    flex: 1 1 auto!important;
    align-items: center;
    gap: 28px;
    visibility: visible!important
}

.hb-header #aethMenu .navbar-nav {
    display: flex;
    width: 100%
}

.hb-header #aethMenu .contact-button {
    flex: 0 0 auto
}

@media(min-width: 992px) {
    .hb-header .container-fluid {
        position:relative;
        display: block!important;
        height: 48px
    }

    .hb-header .navbar-brand {
        position: absolute;
        top: 50%;
        left: 0;
        transform: translateY(-50%)
    }

    .hb-header #aethMenu {
        display: block!important;
        position: static!important;
        width: auto!important;
        height: auto!important;
        margin: 0!important;
        padding: 0!important;
        overflow: visible!important;
        transform: none!important
    }

    .hb-header #aethMenu .navbar-nav {
        position: absolute;
        top: 50%;
        left: 288px;
        right: 150px;
        display: flex!important;
        width: auto!important;
        min-width: 0;
        justify-content: space-between;
        gap: 24px;
        margin: 0!important;
        align-items: center;
        transform: translateY(-50%);
        float: none!important
    }

    .hb-header #aethMenu .contact-button {
        position: absolute;
        top: 50%;
        right: 0;
        display: block!important;
        margin: 0!important;
        transform: translateY(-50%)
    }
}

@media(max-width: 991px) {
    .hb-header {
        padding:16px 0
    }

    .hb-header .container-fluid {
        display: flex;
        width: calc(100% - 32px)
    }

    .hb-header .navbar-brand {
        flex: 0 0 180px!important;
        width: 180px!important
    }

    .hb-header .navbar-brand img {
        width: 184px!important;
        max-width: 184px
    }

    .hb-header #aethMenu {
        display: block!important;
        flex: 0 0 auto!important;
        width: auto!important;
        height: auto!important;
        margin-top: 12px!important;
        padding: 18px 20px!important;
        background: rgba(20,36,38,.96)
    }

    .hb-header #aethMenu .navbar-nav {
        display: block
    }

    .hb-header #aethMenu .contact-button {
        display: inline-block;
        margin-top: 12px
    }
}

@media(max-width: 991px) {
    .hb-header .navbar-brand img {
        width:184px
    }

    .hb-header .navbar-collapse {
        margin-top: 12px;
        padding: 18px 20px;
        border-radius: 0 0 10px 10px;
        background: rgba(11,25,23,.97)
    }

    .hb-header.aeth-nav-hidden {
        transform: translateY(-100%)
    }
}

.aeth-home .hb-header {
    background: linear-gradient(180deg,rgba(6,15,12,.72),rgba(6,15,12,0));
}

.aeth-home .hb-hero {
    position: relative;
    min-height: 900px;
    align-items: stretch;
    background-image: linear-gradient(90deg,rgba(5,17,13,.78) 0%,rgba(5,17,13,.4) 42%,rgba(5,17,13,.08) 72%),linear-gradient(0deg,rgba(4,12,10,.65),rgba(4,12,10,0) 47%),var(--hero-image);
    overflow: hidden;
}

.aeth-home .hb-hero-content {
    position: relative;
    display: flex;
    min-height: inherit;
    flex-direction: column;
    justify-content: flex-end;
    padding-top: 180px;
    padding-bottom: 76px;
}

.aeth-home .hb-hero .eyebrow {
    max-width: 660px;
    margin-bottom: 20px;
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1.2px;
}

.aeth-home .hb-hero h1 {
    max-width: 690px;
    margin: 0 0 48px;
    font-size: clamp(50px,4.6vw,76px);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -.04em!important;
}

.aeth-home .hb-hero h1 {
    text-transform: none!important;
}

.aeth-home .hb-hero .hero-description {
    max-width: 630px;
    margin: 0;
    color: #fff;
    font-size: 19px;
    line-height: 1.48;
}

.aeth-home .hb-hero-actions {
    position: absolute;
    right: 24px;
    bottom: 76px;
    display: flex;
    gap: 22px;
    align-items: center;
}

.aeth-home .hb-hero-actions .btn {
    min-width: 165px;
    padding: 15px 24px;
    text-align: center;
}

.aeth-home .hb-hero-actions .btn-light {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
}

.aeth-home .hb-hero-actions .btn-light {
    position: relative;
    overflow: hidden
}

.aeth-home .hb-hero-actions .btn-light::before,.aeth-home .hb-hero-actions .btn-light::after {
    display: inline-block;
    content: 'Why Invest';
    font-size: 1rem;
    line-height: 1.5;
    transition: transform .35s cubic-bezier(.22,.61,.36,1)
}

.aeth-home .hb-hero-actions .btn-light::after {
    position: absolute;
    left: 24px;
    top: 15px;
    transform: translateY(220%)
}

.aeth-home .hb-hero-actions .btn-light:hover::before,.aeth-home .hb-hero-actions .btn-light:focus-visible::before {
    transform: translateY(-140%)
}

.aeth-home .hb-hero-actions .btn-light:hover::after,.aeth-home .hb-hero-actions .btn-light:focus-visible::after {
    transform: translateY(0)
}

.aeth-home .hb-hero-actions .btn-outline-light {
    min-width: 198px;
    background: rgba(5,17,13,.18);
    backdrop-filter: blur(5px);
}

.aeth-home .hb-hero-actions .arrow {
    display: inline-flex;
    width: 24px;
    height: 24px;
    margin-left: 16px;
    vertical-align: middle;
}

.aeth-home .hb-hero-actions .arrow svg {
    display: block;
    width: 100%;
    height: 100%;
}

.aeth-home .hb-thesis {
    position: relative;
    min-height: 385px;
    overflow: hidden;
}

.aeth-home .hb-thesis-pattern {
    position: absolute;
    left: -90px;
    top: 0;
    width: 141px;
    height: 412px;
    background: url('/assets/aeth/text-section-bg.svg') left top/141px 412px no-repeat;
    opacity: 1;
}

.aeth-home .hb-thesis-inner {
    display: grid;
    min-height: 385px;
    grid-template-columns: 1fr 2.1fr;
    align-items: center;
}

.aeth-home .hb-thesis .eyebrow {
    margin: 78px 0 0 12px;
}

.aeth-home .hb-thesis h2 {
    color: #09090b;
    font-size: clamp(36px,3.15vw,50px);
    line-height: 1.08;
}

.aeth-home .hb-portfolio {
    padding: 78px 0 120px;
    color: var(--ink);
}

.aeth-home .hb-portfolio:before {
    display: none;
}

.aeth-home .hb-portfolio .section-heading {
    margin: 0 0 66px;
    text-align: left;
}

.aeth-home .hb-portfolio .section-heading .eyebrow {
    margin-bottom: 17px;
    color: #969b97;
}

.aeth-home .hb-portfolio .section-heading h2 {
    margin: 0 0 25px;
    color: var(--ink);
    font-size: clamp(42px,4.2vw,64px);
    font-weight: 400;
}

.aeth-home .hb-portfolio .section-heading>p:last-child {
    margin: 0;
    color: #747a77;
    font-size: 17px;
}

.aeth-home .portfolio-cards {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    background: #dfe0da;
    border: 0;
    border-radius: 7px;
    overflow: visible;
}

.aeth-home .portfolio-cards:after {
    content: '✦';
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 2;
    box-sizing: border-box;
    border: 2px solid transparent;
    color: var(--lime);
    font-size: 52px;
    line-height: 1;
    transform: translate(-50%,-50%);
    text-shadow: 0 0 0 #fff;
}

.aeth-home .portfolio-card {
    display: flex;
    min-height: 270px;
    flex-direction: column;
    justify-content: space-between;
    padding: 30px 32px;
    border: 0;
}

.aeth-home .portfolio-card:nth-child(odd) {
    border-right: 2px solid #ececec;
}

.aeth-home .portfolio-card:nth-child(-n+2) {
    border-bottom: 2px solid #ececec;
}

.aeth-home .portfolio-card-light {
    background: #dfe0da;
    color: var(--ink);
}

.aeth-home .portfolio-card-parent {
    background: #142426;
    color: #f2f5f4;
}

.aeth-home .portfolio-card-parent .eyebrow {
    color: #b8c7c2;
}

.aeth-home .portfolio-card-parent h3 {
    color: #f2f5f4;
    font-size: clamp(28px,2.35vw,36px);
    font-weight: 500;
}

.aeth-home .portfolio-card-parent>p {
    color: #c4cdca;
}

.aeth-home .portfolio-card-parent .portfolio-mark {
    width: 68px;
    height: 68px;
}

.aeth-home .portfolio-card-top {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    align-items: flex-start;
}

.aeth-home .portfolio-card .eyebrow {
    margin: 0 0 22px;
    color: #29302d;
    font-size: 10px;
    font-weight: 600;
}

.aeth-home .portfolio-card h3 {
    margin: 0;
    font-size: 29px;
    font-weight: 400;
}

.aeth-home .portfolio-card>p {
    max-width: 570px;
    margin: 24px 0 0;
    color: #858b87;
    font-size: 1rem;
    line-height: 1.5;
    letter-spacing: -.03rem;
}

.aeth-home .portfolio-mark {
    width: 68px;
    height: 68px;
    object-fit: contain;
}

.aeth-home .portfolio-gfi {
    width: 95px;
    height: 62px;
    object-fit: contain;
}

.aeth-home .cespira-wordmark {
    display: flex;
    gap: 12px;
    align-items: center;
    color: #151515;
    font-size: 27px;
    font-weight: 700;
    letter-spacing: -.04em;
}

.aeth-home .cespira-wordmark span {
    position: relative;
    width: 29px;
    height: 21px;
}

.aeth-home .cespira-wordmark span:before,.aeth-home .cespira-wordmark span:after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: #02b9ad;
    border-radius: 50%;
}

.aeth-home .cespira-wordmark span:before {
    left: 2px;
    bottom: 1px;
}

.aeth-home .cespira-wordmark span:after {
    right: 2px;
    top: 1px;
}

.aeth-home .portfolio-card-stock {
    align-items: flex-start;
    background: #172122;
    color: #fff;
}

.aeth-home .portfolio-card-stock h3 {
    font-size: 34px;
}

.aeth-home .portfolio-card-stock h3 span {
    color: var(--lime);
}

.aeth-home .portfolio-card-stock p {
    max-width: 480px;
    margin: 20px 0 0;
    color: #c2c9c5;
    font-size: 16px;
}

.aeth-home .portfolio-card-stock .btn {
    min-width: 145px;
    padding: 13px 20px;
}

.aeth-home .stock-wrap {
    display: none;
}

.aeth-home .hb-portal {
    padding-top: 105px;
    color: var(--ink);
}

.aeth-home .hb-portal .section-heading h2 {
    margin: 0 0 14px;
    color: var(--ink);
    font-size: clamp(38px,4vw,58px);
    font-weight: 600;
    letter-spacing: -.04em;
    line-height: 1.08;
    text-transform: none;
}

.aeth-home .hb-portal .section-heading>.eyebrow {
    margin: 0 0 18px;
    color: #7b807d;
    font-size: 11px;
    font-weight: 400;
    letter-spacing: -.03em;
    line-height: 1.4;
    text-transform: uppercase
}

.aeth-home .hb-portal .section-heading>p:last-child {
    color: #7b807d;
}

.aeth-home .hb-portal .light-panel {
    background: #dfe0da;
}

.aeth-home .hb-portal .portal-grid {
    position: relative;
}

.aeth-home .hb-portal .portal-cross-star {
    position: absolute;
    z-index: 2;
    top: 50%;
    width: 22px;
    height: 22px;
    transform: translate(-50%,-50%);
    background: #dfe0da url('/assets/aeth/parallax-assets/aetherion-mark.svg') center/contain no-repeat;
    pointer-events: none;
}

.aeth-home .hb-portal .portal-cross-star-one {
    left: 33.333333%;
}

.aeth-home .hb-portal .portal-cross-star-two {
    left: 66.666667%;
}

.aeth-home .hb-updates {
    margin: 0;
    padding: 0 0 145px 0;
}

.aeth-home .hb-updates:before {
    display: none;
}

.aeth-home .hb-updates .ai-alerts {
    margin-top: 0;
}

.aeth-home .hb-updates .ai-alert-copy h2 {
    color: #f2f5f4;
    text-transform: none;
    font-size: 48px;
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -.04em!important;
}

.aeth-home .hb-updates .ai-alert-copy h2 span {
    color: #c4d82e!important;
}

.aeth-home .hb-updates .ai-alert-copy-bottom p {
    color: #d8dedc;
    font-size: 20px;
}

/* Match the shared subscription boxes: pills size to their labels instead of equal grid columns. */
.aeth-home .hb-updates .ai-alert-options {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
.aeth-home .hb-updates .ai-alert-options label {
    width: auto;
    flex: 0 0 auto;
}

@media(max-width: 991px) {
    .aeth-home .hb-hero {
        min-height:790px;
        background-position: 63% center;
    }

    .aeth-home .hb-hero-content {
        justify-content: flex-end;
        padding: 150px 24px 72px;
    }

    .aeth-home .hb-hero h1 {
        max-width: 620px;
        font-size: clamp(46px,7vw,62px);
    }

    .aeth-home .hb-hero-actions {
        right: auto;
        bottom: 72px;
    }

    .aeth-home .hb-thesis-inner {
        grid-template-columns: 1fr;
        padding-left: 3em;
    }

    .aeth-home .hb-thesis .eyebrow {
        align-self: end;
        margin: 0 0 20px;
    }

    .aeth-home .hb-thesis h2 {
        grid-column: 1;
        align-self: start;
    }

    .aeth-home .portfolio-card {
        min-height: 250px;
    }
}

@media(max-width: 767px) {
    .aeth-home .hb-hero {
        min-height:820px;
        background-position: 68% center;
    }

    .aeth-home .hb-hero-content {
        padding-bottom: 190px;
    }

    .aeth-home .hb-hero h1 {
        font-size: 42px;
    }

    .aeth-home .hb-hero .hero-description {
        font-size: 17px;
    }

    .aeth-home .hb-hero-actions {
        right: 24px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .aeth-home .hb-hero-actions .btn {
        min-width: 0;
        padding: 13px 14px;
        font-size: 12px;
    }

    .aeth-home .hb-thesis {
        min-height: 320px;
    }

    .aeth-home .hb-thesis-pattern {
        left: -75px;
        width: 180px;
        background-size: 180px auto;
    }

    .aeth-home .hb-thesis-inner {
        min-height: 320px;
    }

    .aeth-home .hb-thesis h2 {
        font-size: 34px;
    }

    .aeth-home .hb-portfolio {
        padding: 70px 0 90px;
    }

    .aeth-home .hb-portfolio .section-heading {
        margin-bottom: 42px;
    }

    .aeth-home .hb-portfolio .section-heading h2 {
        font-size: 39px;
    }

    .aeth-home .portfolio-cards {
        grid-template-columns: 1fr;
    }

    .aeth-home .portfolio-cards:after {
        display: none;
    }

    .aeth-home .portfolio-card {
        min-height: 235px;
        padding: 26px 24px;
        border-right: 0!important;
        border-bottom: 2px solid #ececec!important;
    }

    .aeth-home .portfolio-card:last-child {
        border-bottom: 0!important;
    }

    .aeth-home .portfolio-card-stock h3 {
        font-size: 29px;
    }

    .aeth-home .portfolio-mark {
        width: 56px;
        height: 56px;
    }

    .aeth-home .cespira-wordmark {
        font-size: 22px;
    }
}

/* Keep portal cards on-brand even when shared Bootstrap styles load later. */
.aeth-home .hb-portal .portal-grid>a, .aeth-home .hb-portal .portal-grid>a:visited {
    color: var(--ink);
    text-decoration: none
}

.aeth-home .hb-portal .portal-grid>a h3 {
    color: var(--ink)
}

/* Keep event rows styled as single editorial links after shared Bootstrap loads. */
.aeth-home .hb-events a.event-row, .aeth-home .hb-events a.event-row:visited {
    color: var(--ink);
    text-decoration: none
}

.aeth-home .hb-events a.event-row h3 {
    color: var(--ink);
    text-decoration: none
}

.aeth-home .hb-events a.event-row:hover h3 {
    color: #71851e
}

.aeth-home #main > section.hb-events {
    display: none
}

.aeth-home .hb-portfolio .section-heading h2 {
    font-size: 60px
}

.aeth-home .hb-portfolio .section-heading h2 {
    text-transform: none;
    letter-spacing: -.055em;
    font-weight: 500;
    line-height: 1.08
}

.aeth-home .hb-portfolio .section-heading h2 span {
 
    text-transform: none
}

.aeth-home .hb-thesis h2,.aeth-home .hb-portfolio h2,.aeth-home .hb-portal h1,.aeth-home .hb-updates h2 {
    text-transform: none!important;
}

.aeth-home .portfolio-cespira {
    width: 140px;
    height: auto;
    object-fit: contain
}

.aeth-home .hb-portal {
    padding-bottom: 140px
}

/* Editorial, paired title-and-description panels for the investor portal links. */
.aeth-home .hb-portal .portal-grid {
    display: grid;
    grid-template-columns: repeat(3,minmax(0,1fr));
    gap: 2px;
    margin: 0;
    background: transparent
}

.aeth-home .hb-portal .portal-link {
    display: flex;
    min-width: 0;
    width: auto;
    max-width: none;
    flex-direction: column;
    gap: 1px;
    padding: 0;
    border: 0;
    background: transparent;
    text-decoration: none
}

.aeth-home .hb-portal .portal-link-main {
    display: flex;
    min-height: 190px;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 28px;
    border: 2px solid transparent;
    border-radius: 15px;
    background: #e3e4df;
    border-bottom-color: rgb(25 34 28 / 20%);
    box-shadow: 0 1px 0 rgb(25 34 28 / 20%);
    transition: background-color .2s,box-shadow .2s
}

.aeth-home .hb-portal .portal-icon {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    min-height: 2.75rem;
    aspect-ratio: 1;
    flex: 0 0 2.75rem;
    place-items: center;
    border: 1px solid rgba(255,255,255,.95);
    border-radius: 15px;
    background: #f4f5f2;
    color: #94ad00
}

.aeth-home .hb-portal .portal-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    aspect-ratio: 1;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round
}

.aeth-home .hb-portal .portal-link-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: auto;
    padding-top: 28px;
    color: #15102c;
    font-size: clamp(22px,2.1vw,32px);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -.04em
}

.aeth-home .hb-portal .portal-link-title>span {
    font-size: .82em;
    transition: transform .18s
}

.aeth-home .hb-portal .portal-link-description {
    display: flex;
    min-height: 92px;
    align-items: center;
    padding: 22px 28px;
    border: 2px solid transparent;
    border-radius: 15px;
    background: #e3e4df;
    box-shadow: none;
    color: #85878d;
    font-size: clamp(15px,1.2vw,18px);
    line-height: 1.4
}

.aeth-home .hb-portal .portal-link:hover .portal-link-main, .aeth-home .hb-portal .portal-link:hover .portal-link-description, .aeth-home .hb-portal .portal-link:focus-visible .portal-link-description {
    background: #e3e4df;
    box-shadow: none
}

.aeth-home .hb-portal .portal-link:hover .portal-link-title>span {
    transform: rotate(43deg)
}

.aeth-home .hb-portal .portal-link:focus-visible {
    outline-offset: 4px
}

@media(max-width: 991px) {
    .aeth-home .hb-portal .portal-grid {
        grid-template-columns:repeat(2,minmax(0,1fr))
    }
}

@media(max-width: 650px) {
    .aeth-home .hb-portal .portal-grid {
        grid-template-columns:1fr
    }

    .aeth-home .hb-portal .portal-link-main {
        min-height: 205px;
        padding: 27px
    }

    .aeth-home .hb-portal .portal-link-title {
        font-size: 32px;
        padding-top: 28px
    }

    .aeth-home .hb-portal .portal-link-description {
        min-height: 82px;
        padding: 20px 27px;
        font-size: 17px
    }
}

.aeth-home .hb-hero {
    background-image: linear-gradient(90deg,rgba(5,17,13,.52),rgba(5,17,13,.12) 72%),linear-gradient(0deg,rgba(4,12,10,.52),transparent 55%),var(--hero-image)!important;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat
}

.aeth-home .hb-hero::before {
    position: absolute;
    z-index: 0;
    inset: 0;
    content: "";
    background: linear-gradient(90deg,rgba(5,17,13,.52),rgba(5,17,13,.12) 72%),linear-gradient(0deg,rgba(4,12,10,.52),transparent 55%),var(--hero-image) center/cover no-repeat
}

.aeth-home .hb-hero-content,.aeth-home .hb-hero-actions {
    z-index: 1
}

.aeth-home .hb-hero::before {
    display: none
}

.aeth-home .hb-hero::after {
    display: none;
}

.aeth-home .hb-hero {
    --hero-image: url('/assets/aeth/aetherion-bridge-hero-v3.webp')!important
}

.aeth-home .ai-market-ticker {
    position: relative;
    z-index: 1001
}

/* Use the full-width desktop arrangement once the browser has enough room for it. */
@media(min-width: 768px) {
    .hb-header .container-fluid {
        position:relative;
        display: block!important;
        height: 48px;
        width: min(1320px,calc(100% - 48px));
        max-width: 1280px;
        margin: 0 auto;
        padding: 0
    }

    .hb-header .navbar-brand {
        position: absolute;
        top: 50%;
        left: 0;
        transform: translateY(-50%);
        width: 260px!important;
        margin: 0!important
    }

    .hb-header .navbar-brand img {
        width: 184px!important;
        max-width: 184px
    }

    .hb-header #aethMenu {
        display: block!important;
        position: static!important;
        width: auto!important;
        height: auto!important;
        margin: 0!important;
        padding: 0!important;
        overflow: visible!important;
        transform: none!important
    }

    .hb-header #aethMenu .navbar-nav {
        position: absolute;
        top: 50%;
        left: 288px;
        right: 150px;
        display: flex!important;
        width: auto!important;
        min-width: 0;
        justify-content: space-between;
        gap: 24px;
        margin: 0!important;
        align-items: center;
        transform: translateY(-50%);
        float: none!important
    }

    .hb-header #aethMenu .contact-button {
        position: absolute;
        top: 50%;
        right: 0;
        display: block!important;
        margin: 0!important;
        transform: translateY(-50%)
    }
}

/* Final header geometry: keep the ticker above and anchor the navigation below it. */
.hb-header .container-fluid {
    position: relative;
    display: block!important;
    height: 48px;
    width: min(1320px,calc(100% - 48px));
    max-width: 1280px;
    margin: 0 auto;
    padding: 0
}

.hb-header .navbar-brand {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 260px!important;
    margin: 0!important
}

.hb-header .navbar-brand img {
    max-width: 184px
}

.hb-header .nav-link {
    font-size: 15px!important;
    line-height: 1.4
}

.hb-header #aethMenu {
    display: block!important;
    position: static!important;
    width: auto!important;
    height: auto!important;
    margin: 0!important;
    padding: 0!important;
    overflow: visible!important;
    transform: none!important
}

.hb-header #aethMenu .navbar-nav {
    position: absolute;
    top: 50%;
    left: 288px;
    right: 150px;
    display: flex!important;
    width: auto!important;
    min-width: 0;
    justify-content: space-between;
    gap: 24px;
    margin: 0!important;
    align-items: center;
    transform: translateY(-50%);
    float: none!important
}

.hb-header #aethMenu .contact-button {
    position: absolute;
    top: 50%;
    right: 0;
    display: block!important;
    margin: 0!important;
    transform: translateY(-50%)
}

/* Explicit viewport anchors for the desktop/large browser presentation. */
@media(min-width: 768px) {
    .hb-header .navbar-brand {
        position:fixed!important;
        top: 64px!important;
        left: max(24px,calc((100vw - 1320px)/2))!important;
        transform: none!important
    }

    .hb-header #aethMenu .navbar-nav {
        position: fixed!important;
        top: 64px!important;
        left: max(312px,calc((100vw - 1320px)/2 + 288px))!important;
        right: max(160px,calc((100vw - 1320px)/2 + 150px))!important;
        transform: none!important
    }

    .hb-header #aethMenu .contact-button {
        position: fixed!important;
        top: 64px!important;
        right: max(24px,calc((100vw - 1320px)/2))!important;
        transform: none!important
    }
}

/* Match the supplied Webflow reference measurements. */
.hb-header .container-fluid {
    width: calc(100% - 56px)!important;
    max-width: 1282px!important
}

.hb-header .navbar-brand {
    width: 184px!important
}

.hb-header .navbar-brand img {
    width: 184px!important;
    max-width: 184px!important;
    height: auto!important
}

.hb-header #aethMenu .navbar-nav {
    left: auto!important;
    right: 280px!important;
    width: 748px!important;
    justify-content: flex-end!important;
    gap: 16px!important
}

.hb-header #aethMenu .nav-link {
    font-family: "dm-sans","dm-sans-18pt",Arial,sans-serif!important;
    font-size: 16px!important;
    font-weight: 400!important;
    line-height: 24px!important;
    letter-spacing: 0!important;
    padding: 8px!important;
    white-space: nowrap
}

.hb-header #aethMenu .contact-button {
    width: 107px!important;
    min-width: 107px!important;
    height: 40px!important;
    min-height: 40px!important;
    padding: 8px 16px!important;
    display: grid!important;
    place-items: center!important;
    font-family: "dm-sans","dm-sans-18pt",Arial,sans-serif!important;
    font-size: 16px!important;
    font-weight: 400!important;
    line-height: 24px!important;
    border-radius: 8px!important
}

/* Header logo/background states: white logo over the hero, dark logo on reveal. */
.hb-header .navbar-brand {
    display: flex!important;
    align-items: center
}

.hb-header .navbar-brand .aeth-logo-white,.hb-header .navbar-brand .aeth-logo-dark {
    width: 179px!important;
    max-width: 179px!important;
    height: auto!important;
    object-fit: contain;
    transition: opacity .3s ease
}

.hb-header .navbar-brand .aeth-logo-white {
    display: block!important;
    position: relative;
    z-index: 1;
    opacity: 1
}

.hb-header .navbar-brand .aeth-logo-dark {
    display: block!important;
    position: absolute;
    inset: 0;
    opacity: 0
}

.hb-header.aeth-nav-scrolled {
    background: #fff!important;
    box-shadow: 0 8px 24px rgba(20,36,38,.12)!important
}

.hb-header.aeth-nav-scrolled .navbar-brand .aeth-logo-white {
    opacity: 0
}

.hb-header.aeth-nav-scrolled .navbar-brand .aeth-logo-dark {
    opacity: 1
}

.hb-header .nav-link {
    transition: color .3s ease
}

.hb-header.aeth-nav-scrolled .nav-link {
    color: #15102c!important
}

.hb-header.aeth-nav-scrolled .navbar-toggler {
    filter: none
}

.hb-footer .footer-logo {
    width: 179px;
    height: auto
}

.hb-header {
    border-radius: 0!important;
    transition: transform .3s ease,background-color .3s ease,box-shadow .3s ease;
    will-change: transform
}

.hb-header.aeth-nav-scrolled .contact-button {
    transition: background-color .3s ease,color .3s ease,border-color .3s ease
}

/* Homepage thesis section aligned to the Webflow reference layout. */
.aeth-home .hb-thesis {
    min-height: 0;
    padding: 80px 0
}

.aeth-home .hb-thesis-inner {
    min-height: 0;
    grid-template-columns: minmax(0,1fr) minmax(0,4fr);
    gap: 32px;
    align-items: start
}

.aeth-home .hb-thesis .eyebrow {
    align-self: start;
    margin: 0;
    color: #676c69
}

.aeth-home .hb-thesis h2 {
    grid-column: 2;
    max-width: 55rem;
    margin: 0;
    color: #0f0928;
    font-size: 48px;
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -.04em
}

.aeth-home .hb-thesis h2 span {
    color: #91a900
}

@media(max-width: 767px) {
    .aeth-home .hb-thesis {
        padding:40px 0
    }

    .aeth-home .hb-thesis-inner {
        grid-template-columns: 1fr;
        gap: 24px;
        padding-left: 1em !important;
    }

    .aeth-home .hb-thesis h2 {
        grid-column: 1;
        font-size: clamp(32px,8vw,42px);
        line-height: 1.15
    }
}

@media (min-width: 992px) {
    .aeth-home .hb-updates {
        padding: 80px 0 200px;
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .aeth-home .hb-updates {
        padding: 40px 0 80px;
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .aeth-home .hb-thesis-inner {
        grid-template-columns: 180px minmax(0, 1fr);
        padding: 0 3em;
    }
}

@media (max-width: 991px) {
    .aeth-home .hb-thesis-inner {
        grid-template-columns: minmax(0, 1fr);
        padding-left: 3em;
    }
}

.aeth-home .hb-portfolio::before {
    display: none!important;
    background: none!important
}

.aeth-home .portfolio-card-parent .eyebrow {
    color: #fff!important
}

.aeth-home .portfolio-card h3 {
    text-transform: none!important
}

.aeth-home .portfolio-card .eyebrow {
    letter-spacing: -.03em;
    text-transform: uppercase;
    font-size: .75rem;
    font-weight: 500;
    line-height: 1.4
}

.aeth-home .portfolio-card>p {
    font-weight: 400!important
}

.aeth-home .portfolio-card-parent .portfolio-mark {
    width: 82px;
    height: 82px
}

.aeth-home .portfolio-cards > .portfolio-card-light:first-child {
    background: #142426;
    color: #f2f5f4
}

.aeth-home .portfolio-cards > .portfolio-card-light:first-child .eyebrow {
    color: #b8c7c2!important
}

.aeth-home .portfolio-cards > .portfolio-card-light:first-child h3 {
    color: #f2f5f4
}

.aeth-home .portfolio-cards > .portfolio-card-light:first-child>p {
    color: #c4cdca
}

.aeth-home .hb-portfolio .section-heading>p:last-child {
    font-weight: 400!important
}

.aeth-home .hb-portfolio .section-heading h2 {
    font-family: "dm-sans-36pt","dm-sans",sans-serif!important;
    font-weight: 500!important
}

.aeth-home .hb-portfolio .section-heading h2 {
    font-size: 48px!important
}

.hb-header.aeth-nav-scrolled .contact-button {
    background: #15102c!important;
    border-color: #15102c!important;
    color: #fff!important
}

/* Reference heading typography: regular weight, tight tracking, 76px desktop maximum. */
.aeth-home h1,.aeth-home h2,.aeth-home h3 {
    font-weight: 400!important;
    letter-spacing: -.04em
}

.aeth-home .hb-hero h1 {
    font-size: clamp(3rem,4.75vw,4.75rem)!important;
    letter-spacing: -.04em!important
}

.aeth-home .hb-hero .hero-description {
    font-size: 20px!important
}

.aeth-home .hb-thesis h2 {
    letter-spacing: -.12rem!important;
    font-size: 3rem!important;
    font-weight: 500!important;
    line-height: 1.2!important
}

@media (max-width: 757px) {
  .aeth-home .hb-hero {
    min-height: 0;
    margin-top: -40px;
  }
  .aeth-home .hb-hero-content {
    min-height: 0;
    justify-content: flex-start;
    padding-top: 150px;
    padding-bottom: 48px;
  }
  .aeth-home .hb-hero .hero-description {
    font-size: 3rem !important;
  }
  .aeth-home .hb-hero-actions {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    align-self: flex-start;
    margin-top: 30px;
  }
}
