.r-toolhub-stage {
    display: grid;
    align-content: center;
    gap: clamp(1.15rem, 2.4vh, 2.2rem);
    padding-block: clamp(1rem, 2.2vh, 2.4rem);
}

.r-toolhub-intro {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(22rem, 0.75fr);
    align-items: end;
    gap: clamp(2rem, 6vw, 7rem);
}

.r-toolhub-intro > div {
    display: grid;
    gap: 0.45rem;
}

.r-toolhub-eyebrow {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0;
    color: var(--r-action);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: clamp(0.68rem, 0.63rem + 0.18vw, 0.88rem);
    font-weight: 500;
    letter-spacing: 0.13em;
    line-height: 1.4;
    text-transform: uppercase;
}

.r-toolhub-eyebrow::before {
    width: clamp(2.8rem, 5vw, 5.5rem);
    height: 1px;
    content: "";
    background: var(--r-action);
}

.r-toolhub-intro h1 {
    margin: 0;
    color: var(--r-text-strong);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: clamp(2.65rem, 4.5vw, 5.8rem);
    font-weight: 400;
    letter-spacing: -0.05em;
    line-height: 0.98;
}

.r-toolhub-intro > p {
    max-width: 48ch;
    margin: 0;
    color: var(--r-text-muted);
    font-size: clamp(1rem, 0.93rem + 0.25vw, 1.25rem);
    line-height: 1.5;
}

.r-toolhub-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    border-top: 1px solid rgba(93, 134, 165, 0.68);
    border-bottom: 1px solid rgba(54, 93, 121, 0.58);
}

.r-toolhub-module {
    position: relative;
    display: grid;
    min-width: 0;
    min-height: clamp(16rem, 29vh, 23rem);
    grid-template-rows: auto 1fr auto;
    gap: 1.25rem;
    padding: clamp(1.1rem, 1.75vw, 2rem);
    overflow: hidden;
    border-right: 1px solid rgba(54, 93, 121, 0.42);
    background: linear-gradient(180deg, rgba(13, 41, 69, 0.28), rgba(6, 20, 38, 0.08));
    color: var(--r-text);
    text-decoration: none;
    transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.r-toolhub-module:first-child {
    border-left: 1px solid rgba(54, 93, 121, 0.42);
}

.r-toolhub-module::after {
    position: absolute;
    right: -3.2rem;
    bottom: -3.8rem;
    width: 8.5rem;
    height: 8.5rem;
    border: 1px solid rgba(131, 182, 214, 0.1);
    border-radius: 50%;
    content: "";
    transition: border-color 180ms ease, transform 260ms ease;
}

.r-toolhub-module:hover,
.r-toolhub-module:focus-visible {
    z-index: 1;
    border-color: rgba(131, 182, 214, 0.82);
    background: linear-gradient(180deg, rgba(13, 41, 69, 0.72), rgba(8, 26, 46, 0.42));
    transform: translateY(-0.18rem);
}

.r-toolhub-module:hover::after,
.r-toolhub-module:focus-visible::after {
    border-color: rgba(255, 154, 98, 0.2);
    transform: scale(1.16);
}

.r-toolhub-number {
    color: var(--r-action);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
}

.r-toolhub-copy {
    position: relative;
    z-index: 1;
    display: grid;
    align-content: start;
    gap: 0.55rem;
}

.r-toolhub-copy small {
    color: var(--r-text-muted);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: 0.67rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.r-toolhub-copy strong {
    color: var(--r-brand-letter);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: clamp(1.35rem, 1.25vw, 1.95rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.15;
}

.r-toolhub-copy > span:last-child {
    color: var(--r-text-muted);
    font-size: clamp(0.9rem, 0.83rem + 0.15vw, 1.03rem);
    line-height: 1.42;
}

.r-toolhub-x {
    position: relative;
    display: inline-block;
    margin-right: 0.02em;
    color: var(--r-brand-x);
    font-family: "Permanent Marker", "Segoe UI", sans-serif;
    font-size: 1.08em;
    font-style: normal;
}

.r-toolhub-access {
    position: relative;
    z-index: 1;
    align-self: end;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(54, 93, 121, 0.34);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: clamp(0.58rem, 0.54rem + 0.08vw, 0.68rem);
    letter-spacing: 0.07em;
    line-height: 1.4;
    text-transform: uppercase;
}

.r-toolhub-arrow {
    position: absolute;
    top: clamp(1rem, 1.75vw, 1.85rem);
    right: clamp(1rem, 1.55vw, 1.65rem);
    color: var(--r-action);
    font-size: 1rem;
}

.r-toolhub-module-update .r-toolhub-number,
.r-toolhub-module-update .r-toolhub-arrow {
    color: var(--r-curiosity-soft);
}

.r-toolhub-internal {
    display: grid;
    gap: 0.9rem;
    padding-top: clamp(0.8rem, 1.4vh, 1.3rem);
    border-top: 1px solid rgba(54, 93, 121, 0.48);
}

.r-toolhub-internal-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1.5rem;
}

.r-toolhub-internal-heading h2 {
    margin: 0;
    color: var(--r-text-strong);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: clamp(1.1rem, 0.95rem + 0.38vw, 1.45rem);
    font-weight: 400;
}

.r-toolhub-internal-links {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid rgba(54, 93, 121, 0.38);
    border-bottom: 1px solid rgba(54, 93, 121, 0.38);
}

.r-toolhub-internal-links a {
    display: grid;
    gap: 0.22rem;
    min-width: 0;
    padding: 0.75rem 0.9rem;
    border-right: 1px solid rgba(54, 93, 121, 0.38);
    color: var(--r-text);
    text-decoration: none;
}

.r-toolhub-module > .r-panel-signal,
.r-toolhub-internal-links > a > .r-panel-signal {
    top: 0;
    right: 0;
    left: 0;
}

.r-toolhub-internal-links a:first-child {
    border-left: 1px solid rgba(54, 93, 121, 0.38);
}

.r-toolhub-internal-links a:hover,
.r-toolhub-internal-links a:focus-visible {
    background: rgba(13, 41, 69, 0.58);
}

.r-toolhub-internal-links a > span:not(.r-panel-signal) {
    color: var(--r-action);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.r-toolhub-internal-links strong {
    color: var(--r-text-strong);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
}

.r-toolhub-internal-links small {
    font-size: 0.72rem;
    line-height: 1.35;
}

.r-toolhub-future {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.1rem;
    margin: 0;
    padding: 0;
    color: var(--r-text-muted);
    list-style: none;
}

.r-toolhub-future li {
    display: inline-flex;
    align-items: baseline;
    gap: 0.45rem;
}

.r-toolhub-future li > span {
    color: var(--r-brand-letter);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: 0.72rem;
}

.r-toolhub-future small {
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.r-toolhub-session {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: clamp(0.7rem, 1.2vh, 1rem) 0;
    border-top: 1px solid rgba(54, 93, 121, 0.48);
    border-bottom: 1px solid rgba(54, 93, 121, 0.38);
}

.r-toolhub-session > span {
    display: grid;
    gap: 0.16rem;
}

.r-toolhub-session strong {
    color: var(--r-text-strong);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: 0.82rem;
    font-weight: 500;
}

.r-toolhub-session small {
    color: var(--r-text-muted);
    font-size: 0.7rem;
}

.r-toolhub-logout-form {
    margin: 0;
}

.r-toolhub-logout-button {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    min-height: 2.45rem;
    padding: 0.55rem 0.9rem;
    appearance: none;
    border: 1px solid rgba(110, 181, 218, 0.62);
    background: transparent;
    color: var(--r-action);
    font-family: "Orbitron", "Segoe UI", sans-serif;
    font-size: 0.74rem;
    letter-spacing: 0.04em;
    cursor: pointer;
}

.r-toolhub-logout-button:hover,
.r-toolhub-logout-button:focus-visible {
    border-color: var(--r-action);
    background: rgba(13, 41, 69, 0.58);
}

.r-toolhub-page .r-hex-glint:nth-child(1) {
    top: 8rem;
    left: 8%;
    animation-delay: 2.8s;
}

.r-toolhub-page .r-hex-glint:nth-child(2) {
    top: 17rem;
    left: 29%;
    animation-delay: 10.8s;
}

.r-toolhub-page .r-hex-glint:nth-child(3) {
    top: 10rem;
    left: 51%;
    animation-delay: 18.8s;
}

.r-toolhub-page .r-hex-glint:nth-child(4) {
    top: 24rem;
    left: 68%;
    animation-delay: 26.8s;
}

.r-toolhub-page .r-hex-glint:nth-child(5) {
    top: 6rem;
    left: 84%;
    animation-delay: 34.8s;
}

.r-toolhub-page .r-hex-glint:nth-child(6) {
    top: 38rem;
    left: 43%;
    animation-delay: 42.8s;
}

@media (min-width: 1501px) and (max-height: 980px) {
    .r-toolhub-stage {
        gap: 0.85rem;
        padding-block: 0.7rem;
    }

    .r-toolhub-intro > div {
        gap: 0.2rem;
    }

    .r-toolhub-intro h1 {
        font-size: clamp(2.6rem, 3.7vw, 4.45rem);
    }

    .r-toolhub-module {
        min-height: 13.5rem;
        gap: 0.85rem;
        padding: 1rem;
    }

}

@media (max-width: 1500px) {
    .r-toolhub-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .r-toolhub-module {
        min-height: 12.5rem;
        border-bottom: 1px solid rgba(54, 93, 121, 0.42);
    }

    .r-toolhub-module:nth-child(3n + 1) {
        border-left: 1px solid rgba(54, 93, 121, 0.42);
    }

    .r-toolhub-module:nth-last-child(-n + 3) {
        border-bottom: 0;
    }
}

@media (max-width: 900px) {
    .r-toolhub-stage {
        align-content: start;
        padding-block: 2rem;
    }

    .r-toolhub-intro {
        grid-template-columns: 1fr;
        align-items: start;
        gap: 0.8rem;
    }

    .r-toolhub-intro > p {
        max-width: 62ch;
    }

    .r-toolhub-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .r-toolhub-module:nth-child(3n + 1) {
        border-left: 0;
    }

    .r-toolhub-module:nth-child(2n + 1) {
        border-left: 1px solid rgba(54, 93, 121, 0.42);
    }

    .r-toolhub-module:nth-last-child(-n + 3) {
        border-bottom: 1px solid rgba(54, 93, 121, 0.42);
    }

    .r-toolhub-module:nth-last-child(-n + 2) {
        border-bottom: 0;
    }

    .r-toolhub-internal-heading {
        display: grid;
        gap: 0.25rem;
    }

    .r-toolhub-internal-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .r-toolhub-internal-links a:nth-child(2n + 1) {
        border-left: 1px solid rgba(54, 93, 121, 0.38);
    }

    .r-toolhub-internal-links a:nth-child(n + 3) {
        border-top: 1px solid rgba(54, 93, 121, 0.38);
    }
}

@media (max-width: 560px) {
    .r-toolhub-stage {
        gap: 1.25rem;
        padding-block: 1.4rem 2rem;
    }

    .r-toolhub-intro h1 {
        font-size: clamp(2.45rem, 12.5vw, 3.6rem);
    }

    .r-toolhub-grid {
        grid-template-columns: 1fr;
    }

    .r-toolhub-module,
    .r-toolhub-module:nth-child(3n + 1),
    .r-toolhub-module:nth-child(2n + 1) {
        min-height: 10.5rem;
        border-right: 1px solid rgba(54, 93, 121, 0.42);
        border-bottom: 1px solid rgba(54, 93, 121, 0.42);
        border-left: 1px solid rgba(54, 93, 121, 0.42);
    }

    .r-toolhub-module:last-child {
        border-bottom: 0;
    }

    .r-toolhub-internal-links {
        grid-template-columns: 1fr;
    }

    .r-toolhub-internal-links a,
    .r-toolhub-internal-links a:nth-child(2n + 1) {
        border-top: 1px solid rgba(54, 93, 121, 0.38);
        border-right: 1px solid rgba(54, 93, 121, 0.38);
        border-left: 1px solid rgba(54, 93, 121, 0.38);
    }

    .r-toolhub-internal-links a:first-child {
        border-top: 0;
    }

    .r-toolhub-session {
        align-items: stretch;
    }

    .r-toolhub-logout-button {
        width: 100%;
        justify-content: center;
    }
}