* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --hub-icon-size: 74px;
    --hub-panel: rgba(8, 12, 20, 0.58);
    --hub-panel-strong: rgba(11, 16, 28, 0.76);
    --hub-border: rgba(150, 160, 180, 0.18);
}

html {
    min-height: 100%;
    background: var(--snrg-bg-base);
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 12% 18%, var(--snrg-primary-lime-alpha-light), transparent 26%),
        radial-gradient(circle at 48% 8%, var(--snrg-primary-cyan-alpha-light), transparent 30%),
        radial-gradient(circle at 84% 22%, var(--snrg-primary-purple-alpha), transparent 32%),
        radial-gradient(circle at 58% 92%, var(--snrg-primary-blue-alpha), transparent 30%),
        linear-gradient(135deg, var(--snrg-bg-base) 0%, var(--snrg-bg-secondary) 46%, #120520 100%);
    color: var(--snrg-text-primary);
    font-family: "Sora", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    letter-spacing: 0;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 58px 58px;
    opacity: 0.44;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(90deg, rgba(3, 2, 6, 0.36), transparent 28%, transparent 72%, rgba(3, 2, 6, 0.44));
}

a {
    color: inherit;
}

.hub-shell {
    position: relative;
    z-index: 1;
    width: min(1560px, 100%);
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: clamp(14px, 2vh, 20px);
    margin: 0 auto;
    padding: clamp(16px, 2vw, 28px);
}

.hub-header,
.hub-panel,
.hub-footer {
    border: 1px solid var(--hub-border);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.025)),
        var(--hub-panel);
    border-radius: 20px;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.36),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.hub-header {
    min-height: 118px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    padding: 18px 22px;
}

.hub-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

.hub-brand img {
    width: 68px;
    height: 68px;
    object-fit: contain;
    filter: drop-shadow(0 0 18px var(--snrg-primary-cyan));
}

.hub-brand p,
.panel-heading p {
    color: var(--snrg-text-cyan);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.hub-brand h1 {
    margin-top: 2px;
    font-family: "Orbitron", "Sora", sans-serif;
    font-size: clamp(1.85rem, 4vw, 3.2rem);
    line-height: 1;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.hub-subtitle {
    max-width: 620px;
    color: var(--snrg-text-secondary);
    line-height: 1.55;
    text-align: right;
}

.hub-grid {
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(248px, 0.72fr) minmax(560px, 1.72fr) minmax(248px, 0.72fr);
    gap: clamp(14px, 1.6vw, 22px);
    align-items: stretch;
}

.hub-panel {
    min-width: 0;
    display: grid;
    align-content: start;
    gap: 16px;
    padding: 18px;
    overflow: visible;
}

.panel-heading {
    display: grid;
    gap: 4px;
}

.panel-heading--row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
}

.panel-heading h2 {
    font-family: "Orbitron", "Sora", sans-serif;
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.table-status {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 12px;
    border: 1px solid var(--snrg-border-lime-strong);
    border-radius: 999px;
    background: var(--snrg-primary-lime-alpha-light);
    color: var(--snrg-text-lime);
    font-size: 0.78rem;
    font-weight: 800;
}

.platform-stack {
    display: grid;
    gap: 12px;
}

.platform-card,
.demo-row {
    position: relative;
    min-width: 0;
    color: var(--snrg-text-primary);
    text-decoration: none;
    border: 1px solid var(--hub-border);
    background: var(--hub-panel-strong);
    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease,
        box-shadow 0.2s ease,
        filter 0.2s ease;
}

.platform-card {
    min-height: 118px;
    display: grid;
    grid-template-columns: var(--hub-icon-size) minmax(0, 1fr);
    gap: 13px;
    align-items: center;
    padding: 13px;
    border-radius: 16px;
}

.platform-card img,
.demo-row img {
    width: var(--hub-icon-size);
    height: var(--hub-icon-size);
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 0 10px var(--glow-color));
    transition: transform 0.2s ease, filter 0.2s ease;
}

.platform-card strong,
.platform-card small {
    display: block;
}

.platform-card strong,
.demo-row strong {
    color: var(--snrg-text-bright);
    font-weight: 800;
}

.platform-card small,
.demo-row span {
    margin-top: 5px;
    color: var(--snrg-text-secondary);
    font-size: 0.82rem;
    line-height: 1.4;
}

.platform-card:hover,
.platform-card:focus-visible,
.demo-row:hover,
.demo-row:focus-visible {
    transform: translateY(-2px);
    border-color: var(--glow-color);
    background: rgba(15, 22, 35, 0.82);
    box-shadow: 0 0 26px color-mix(in srgb, var(--glow-color), transparent 62%);
    outline: none;
}

.platform-card:hover img,
.platform-card:focus-visible img,
.demo-row:hover img,
.demo-row:focus-visible img {
    transform: scale(1.08);
    filter:
        brightness(1.08)
        drop-shadow(0 0 8px var(--glow-color))
        drop-shadow(0 0 18px var(--glow-color));
}

.platform-card::after,
.demo-row::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 10px);
    width: max-content;
    max-width: min(340px, 80vw);
    transform: translateX(-50%) translateY(6px);
    padding: 8px 10px;
    border: 1px solid var(--glow-color);
    border-radius: 10px;
    background: rgba(2, 3, 8, 0.94);
    color: var(--snrg-text-bright);
    box-shadow: 0 0 18px color-mix(in srgb, var(--glow-color), transparent 58%);
    font-size: 0.8rem;
    font-weight: 700;
    line-height: 1.35;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    z-index: 20;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.platform-card:hover::after,
.platform-card:focus-visible::after,
.demo-row:hover::after,
.demo-row:focus-visible::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.platform-card--disabled {
    cursor: not-allowed;
    opacity: 0.68;
    filter: grayscale(0.65);
}

.platform-card--disabled:hover,
.platform-card--disabled:focus-visible {
    transform: none;
}

.platform-card--disabled::before {
    content: "Locked";
    position: absolute;
    right: 12px;
    top: 12px;
    padding: 4px 8px;
    border: 1px solid var(--hub-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    color: var(--snrg-text-tertiary);
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
}

.glow-green {
    --glow-color: var(--snrg-primary-lime);
}

.glow-cyan {
    --glow-color: var(--snrg-primary-cyan);
}

.glow-purple {
    --glow-color: var(--snrg-primary-purple-light);
}

.glow-blue {
    --glow-color: var(--snrg-primary-blue-light);
}

.demo-table {
    display: grid;
    gap: 10px;
}

.demo-row {
    min-height: 92px;
    display: grid;
    grid-template-columns: var(--hub-icon-size) 120px minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    padding: 9px 12px;
    border-radius: 15px;
}

.demo-row span {
    margin-top: 0;
}

.demo-row em {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 12px;
    border: 1px solid color-mix(in srgb, var(--glow-color), transparent 38%);
    border-radius: 999px;
    color: var(--snrg-text-bright);
    font-size: 0.76rem;
    font-style: normal;
    font-weight: 800;
}

.hub-footer {
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 11px 18px;
    color: var(--snrg-text-secondary);
    font-size: 0.86rem;
    text-align: center;
}

.hub-footer strong {
    color: var(--snrg-text-cyan);
    text-transform: uppercase;
}

@media (max-width: 1180px) {
    body {
        overflow-y: auto;
    }

    .hub-shell {
        min-height: 100vh;
    }

    .hub-grid {
        grid-template-columns: 1fr;
    }

    .platform-stack {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 780px) {
    :root {
        --hub-icon-size: 62px;
    }

    .hub-header,
    .hub-footer {
        display: grid;
        justify-items: start;
        text-align: left;
    }

    .hub-subtitle {
        text-align: left;
    }

    .platform-stack,
    .demo-row {
        grid-template-columns: 1fr;
    }

    .platform-card {
        grid-template-columns: var(--hub-icon-size) minmax(0, 1fr);
    }

    .demo-row {
        justify-items: start;
    }
}

@media (min-width: 1181px) and (max-height: 980px) {
    :root {
        --hub-icon-size: 58px;
    }

    .hub-shell {
        gap: 10px;
        padding-block: 12px;
    }

    .hub-header {
        min-height: 82px;
        padding: 10px 18px;
    }

    .hub-brand img {
        width: 52px;
        height: 52px;
    }

    .hub-brand h1 {
        font-size: 2.25rem;
    }

    .hub-subtitle {
        max-width: 560px;
        font-size: 0.88rem;
        line-height: 1.45;
    }

    .hub-panel {
        gap: 12px;
        padding: 14px;
    }

    .platform-stack,
    .demo-table {
        gap: 8px;
    }

    .platform-card {
        min-height: 86px;
        padding: 10px;
    }

    .demo-row {
        min-height: 68px;
        padding: 7px 10px;
    }

    .platform-card small,
    .demo-row span {
        font-size: 0.76rem;
        line-height: 1.3;
    }

    .table-status,
    .demo-row em {
        min-height: 28px;
        padding-inline: 10px;
    }

    .hub-footer {
        min-height: 38px;
        padding-block: 6px;
        font-size: 0.78rem;
    }
}