/* r31 owner: open wheel participation. Extracted verbatim from the r30 cascade lines 13808-14199. */
/* Open Wheel participation invitation ------------------------------------ */
.section--participation-wheel {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 18% 12%, rgba(var(--signal-rgb), 0.08), transparent 31rem),
        radial-gradient(circle at 88% 78%, rgba(var(--signal-rgb), 0.05), transparent 34rem),
        var(--bg);
}

.section--participation-wheel::before {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(var(--signal-rgb), 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--signal-rgb), 0.025) 1px, transparent 1px);
    background-size: 3rem 3rem;
    content: "";
    pointer-events: none;
}

.section--participation-wheel > .shell { position: relative; }

.participation-wheel__heading {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(20rem, 0.75fr);
    gap: clamp(2rem, 6vw, 6rem);
    align-items: end;
}

.participation-wheel__heading h2 {
    max-width: 9ch;
    margin: 0.35rem 0 0;
    font-family: var(--font-display);
    font-size: clamp(4rem, 10vw, 9rem);
    letter-spacing: -0.045em;
    line-height: 0.82;
}

.participation-wheel__subtitle {
    max-width: 48rem;
    margin: 1.25rem 0 0;
    color: var(--muted);
    font-size: clamp(1rem, 1.8vw, 1.35rem);
    line-height: 1.6;
}

.participation-wheel__heading aside {
    padding: 1.35rem;
    border: 1px solid var(--line-strong);
    border-radius: 0.9rem;
    background: rgba(var(--signal-rgb), 0.045);
}

.participation-wheel__heading aside span,
.participation-boundary > span,
.participation-role__invitation > span,
.participation-role__helps > span,
.participation-role aside > span,
.participation-disclosures > span {
    display: block;
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.58rem;
    font-weight: 850;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.participation-wheel__heading aside strong {
    display: block;
    margin-top: 0.85rem;
    font-size: 0.86rem;
    line-height: 1.65;
}

.participation-boundary {
    display: grid;
    margin-top: clamp(2rem, 5vw, 4.5rem);
    padding: clamp(1.25rem, 3vw, 2rem);
    grid-template-columns: minmax(9rem, 0.25fr) minmax(0, 1.75fr);
    gap: 1.5rem;
    border: 1px solid rgba(var(--signal-rgb), 0.45);
    border-left-width: 0.3rem;
    border-radius: 0.9rem;
    background: linear-gradient(100deg, rgba(var(--signal-rgb), 0.1), transparent 70%), var(--surface);
}

.participation-boundary p {
    max-width: 86rem;
    margin: 0;
    color: var(--muted);
    font-size: 0.79rem;
    line-height: 1.75;
}

.participation-boundary p + p { margin-top: 0.75rem; }

.participation-cycle {
    position: relative;
    margin-top: clamp(3rem, 8vw, 7rem);
    padding: clamp(1.25rem, 4vw, 3.25rem);
    border: 1px solid var(--line);
    border-radius: 1.2rem;
    background: linear-gradient(145deg, rgba(var(--signal-rgb), 0.055), transparent 50%), var(--surface);
}

.participation-cycle__intro {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
    column-gap: 3rem;
    align-items: end;
}

.participation-cycle__intro .eyebrow { grid-column: 1 / -1; }
.participation-cycle__intro h3 { margin: 0; font-size: clamp(2rem, 4vw, 4.4rem); line-height: 0.98; }
.participation-cycle__intro > p:not(.eyebrow):not(.participation-cycle__status) { margin: 0; color: var(--muted); line-height: 1.7; }

.participation-cycle__status {
    grid-column: 1 / -1;
    margin: 1.25rem 0 0;
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.participation-cycle__core {
    display: flex;
    width: min(100%, 42rem);
    min-height: 8rem;
    margin: clamp(2rem, 5vw, 4rem) auto;
    padding: 1.2rem 1.8rem;
    align-items: center;
    justify-content: center;
    gap: clamp(0.8rem, 3vw, 2.5rem);
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    background: var(--surface-2);
    box-shadow: 0 0 0 0.55rem rgba(var(--signal-rgb), 0.025), 0 0 0 1.1rem rgba(var(--signal-rgb), 0.018);
}

.participation-cycle__core span {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 2.35rem);
    letter-spacing: 0.03em;
}

.participation-cycle__core strong { color: var(--signal); font-size: clamp(2rem, 5vw, 4.5rem); }
.participation-cycle__core em { color: var(--faint); font-family: var(--font-mono); font-size: 0.55rem; font-style: normal; letter-spacing: 0.08em; text-transform: uppercase; }

.participation-stage-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.7rem;
}

.participation-stage {
    display: flex;
    min-height: 25rem;
    padding: 1.25rem;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: 0.85rem;
    background: var(--surface-2);
    transition: border-color 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.participation-stage.is-active {
    border-color: rgba(var(--signal-rgb), 0.72);
    background: linear-gradient(145deg, rgba(var(--signal-rgb), 0.12), transparent 62%), var(--surface-2);
    transform: translateY(-0.25rem);
}

.participation-stage > div { display: flex; justify-content: space-between; gap: 1rem; }
.participation-stage > div span,
.participation-role header > div span {
    color: var(--signal);
    font-family: var(--font-display);
    font-size: 2.4rem;
    line-height: 1;
}

.participation-stage > div em,
.participation-role header > div em {
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.54rem;
    font-style: normal;
    letter-spacing: 0.07em;
    text-align: right;
    text-transform: uppercase;
}

.participation-stage .eyebrow { margin: 2.8rem 0 0.55rem; }
.participation-stage h4 { margin: 0; font-size: 1.2rem; line-height: 1.25; }
.participation-stage > p:not(.eyebrow) { color: var(--muted); font-size: 0.7rem; line-height: 1.65; }
.participation-stage dl { margin: auto 0 1.2rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.participation-stage dt { color: var(--faint); font-family: var(--font-mono); font-size: 0.5rem; letter-spacing: 0.08em; text-transform: uppercase; }
.participation-stage dd { margin: 0.45rem 0 0; font-size: 0.67rem; line-height: 1.6; }
.participation-stage button,
.participation-cycle__reset {
    min-height: 2.75rem;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--line-strong);
    border-radius: 0.55rem;
    background: transparent;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.participation-stage button:hover,
.participation-stage button:focus-visible,
.participation-stage button[aria-pressed="true"],
.participation-cycle__reset:hover,
.participation-cycle__reset:focus-visible {
    border-color: var(--signal);
    color: var(--signal);
}

.participation-cycle__reset { display: block; margin: 1rem auto 0; }
.participation-cycle__reset[hidden] { display: none; }

.participation-roles__heading {
    display: grid;
    margin-top: clamp(4rem, 10vw, 9rem);
    grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
    gap: clamp(2rem, 6vw, 6rem);
    align-items: end;
}

.participation-roles__heading h3 {
    max-width: 15ch;
    margin: 0.35rem 0 0;
    font-size: clamp(2.5rem, 5.5vw, 5.7rem);
    line-height: 0.94;
}

.participation-roles__heading > p { margin: 0; color: var(--muted); line-height: 1.75; }

.participation-role-grid {
    display: grid;
    margin-top: 2rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
}

.participation-role {
    display: grid;
    min-width: 0;
    padding: clamp(1.25rem, 3vw, 2rem);
    gap: 1.35rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--surface);
    transition: opacity 180ms ease, border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.participation-role.is-stage-match {
    border-color: rgba(var(--signal-rgb), 0.75);
    box-shadow: 0 0 0 0.16rem rgba(var(--signal-rgb), 0.08);
    transform: translateY(-0.18rem);
}

.participation-role.is-stage-dimmed { opacity: 0.58; }

.participation-role header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.5rem 1.5rem;
    align-items: start;
}

.participation-role header > div { display: flex; justify-content: space-between; gap: 1rem; grid-column: 1 / -1; }
.participation-role header > p { margin: 1.5rem 0 0; color: var(--signal); font-family: var(--font-mono); font-size: 0.58rem; font-weight: 850; letter-spacing: 0.1em; }
.participation-role header h4 { margin: 0; grid-column: 1 / -1; font-size: clamp(2rem, 4vw, 3.8rem); line-height: 0.96; }
.participation-role header > strong { align-self: end; color: var(--faint); font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.07em; text-align: right; }

.participation-role__invitation,
.participation-role__helps,
.participation-role aside {
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    background: var(--surface-2);
}

.participation-role__invitation p,
.participation-role aside p { margin: 0.65rem 0 0; font-size: 0.76rem; line-height: 1.7; }
.participation-role__helps ul { margin: 0.7rem 0 0; padding-left: 1.15rem; color: var(--muted); }
.participation-role__helps li { padding: 0.2rem 0; font-size: 0.7rem; line-height: 1.6; }

.participation-role__task {
    display: grid;
    margin: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
}

.participation-role__task > div { padding: 1rem; border-top: 1px solid var(--line-strong); }
.participation-role__task dt { color: var(--faint); font-family: var(--font-mono); font-size: 0.52rem; letter-spacing: 0.07em; text-transform: uppercase; }
.participation-role__task dd { margin: 0.55rem 0 0; font-size: 0.69rem; line-height: 1.65; }
.participation-role aside { border-color: rgba(var(--signal-rgb), 0.34); background: linear-gradient(120deg, rgba(var(--signal-rgb), 0.07), transparent 70%), var(--surface-2); }
.participation-role aside p { color: var(--muted); }

.participation-protocol {
    display: grid;
    margin-top: clamp(3rem, 8vw, 7rem);
    grid-template-columns: minmax(18rem, 0.72fr) minmax(0, 1.28fr);
    gap: clamp(2rem, 6vw, 6rem);
    align-items: start;
}

.participation-protocol__copy { position: sticky; top: 7rem; }
.participation-protocol__copy h3 { margin: 0.35rem 0 1rem; font-size: clamp(2.2rem, 4.7vw, 4.8rem); line-height: 0.96; }
.participation-protocol__copy > p:last-child { color: var(--muted); line-height: 1.75; }
.participation-protocol ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.participation-protocol li { display: grid; padding: 1.2rem 0; grid-template-columns: 3.4rem minmax(0, 1fr); gap: 1rem; border-bottom: 1px solid var(--line); }
.participation-protocol li span { color: var(--signal); font-family: var(--font-display); font-size: 2rem; line-height: 1; }
.participation-protocol li p { margin: 0; font-size: 0.78rem; line-height: 1.7; }

.participation-local-first {
    display: grid;
    margin-top: clamp(3rem, 8vw, 6rem);
    padding: clamp(1.5rem, 4vw, 3rem);
    grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
    gap: 2rem;
    align-items: end;
    border: 1px solid var(--line-strong);
    border-radius: 1rem;
    background: linear-gradient(145deg, rgba(var(--signal-rgb), 0.1), transparent 65%), var(--surface);
}

.participation-local-first h3 { margin: 0.4rem 0; font-size: clamp(2.3rem, 5vw, 5rem); line-height: 0.92; }
.participation-local-first p { max-width: 54rem; margin-bottom: 0; color: var(--muted); line-height: 1.7; }
.participation-local-first__actions { display: grid; gap: 0.65rem; }
.participation-local-first__actions .button { width: 100%; }

.participation-disclosures {
    margin-top: 0.8rem;
    padding: clamp(1.25rem, 3vw, 2rem);
    border: 1px solid rgba(var(--signal-rgb), 0.42);
    border-radius: 0.85rem;
    background: var(--surface-2);
}

.participation-disclosures ul { margin: 0.9rem 0 1.4rem; padding-left: 1.2rem; color: var(--muted); }
.participation-disclosures li { padding: 0.25rem 0; font-size: 0.72rem; line-height: 1.65; }
.participation-disclosures > p { margin: 0; color: var(--signal); font-family: var(--font-mono); font-size: 0.67rem; font-weight: 900; letter-spacing: 0.08em; }

@media (max-width: 1100px) {
    .participation-stage-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .participation-stage { min-height: 21rem; }
}

@media (max-width: 900px) {
    .participation-wheel__heading,
    .participation-cycle__intro,
    .participation-roles__heading,
    .participation-protocol,
    .participation-local-first { grid-template-columns: minmax(0, 1fr); }
    .participation-protocol__copy { position: static; }
    .participation-role-grid { grid-template-columns: minmax(0, 1fr); }
    .participation-wheel__heading h2 { max-width: none; }
}

@media (max-width: 620px) {
    .participation-boundary { grid-template-columns: minmax(0, 1fr); }
    .participation-cycle { padding: 1rem; }
    .participation-cycle__core { min-height: 6.4rem; padding: 1rem; border-radius: 1rem; flex-wrap: wrap; }
    .participation-cycle__core em { flex-basis: 100%; text-align: center; }
    .participation-stage-grid { grid-template-columns: minmax(0, 1fr); }
    .participation-stage { min-height: auto; }
    .participation-role { padding: 1rem; }
    .participation-role header { grid-template-columns: minmax(0, 1fr); }
    .participation-role header > strong { text-align: left; }
    .participation-role__task { grid-template-columns: minmax(0, 1fr); }
    .participation-local-first { padding: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
    .participation-stage,
    .participation-role { transition: none; }
}
.no-js .participation-stage button,
.no-js .participation-cycle__reset { display: none; }