/*
 * Shared public page catalog.
 *
 * Every selector is scoped to `.bridge-surface` so active themes retain
 * complete control over their global shell, navigation, type, and palette.
 */

.bridge-surface {
    --bridge-accent: var(--accent, var(--primary, #2563eb));
    --bridge-action-bg: #2563eb;
    --bridge-action-fg: #ffffff;
    --bridge-border: color-mix(in srgb, currentColor 18%, transparent);
    --bridge-soft: color-mix(in srgb, currentColor 5%, transparent);
    display: grid;
    gap: clamp(1.5rem, 4vw, 3.5rem);
    width: min(100%, 74rem);
    margin-inline: auto;
}

.bridge-surface *,
.bridge-surface *::before,
.bridge-surface *::after {
    box-sizing: border-box;
}

.bridge-surface__hero {
    position: relative;
    overflow: hidden;
    padding: clamp(2rem, 7vw, 5.5rem);
    border: 1px solid var(--bridge-border);
    border-radius: clamp(1rem, 3vw, 2rem);
    background:
        radial-gradient(circle at 90% 10%, color-mix(in srgb, var(--bridge-accent) 16%, transparent), transparent 34%),
        var(--bridge-soft);
}

.bridge-surface__hero h1 {
    max-width: 14ch;
    margin: 0;
    font-size: clamp(2.6rem, 8vw, 6.5rem);
    line-height: 0.96;
    letter-spacing: -0.055em;
}

.bridge-surface__eyebrow {
    margin: 0 0 0.8rem;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.bridge-surface__intro {
    max-width: 58rem;
    margin: 1.5rem 0 0;
    font-size: clamp(1.05rem, 2.4vw, 1.45rem);
    line-height: 1.6;
    opacity: 0.78;
}

.bridge-surface__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.bridge-surface__button {
    display: inline-flex;
    min-height: 2.9rem;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.1rem;
    border: 1px solid var(--bridge-border);
    border-radius: 999px;
    color: inherit;
    font-weight: 750;
    text-decoration: none;
}

.bridge-surface__button:hover {
    transform: translateY(-1px);
}

.bridge-surface .bridge-surface__button.bridge-surface__button--primary {
    border-color: var(--bridge-action-bg);
    background-color: var(--bridge-action-bg);
    color: var(--bridge-action-fg);
}

.bridge-surface .bridge-surface__button.bridge-surface__button--primary:hover,
.bridge-surface .bridge-surface__button.bridge-surface__button--primary:focus-visible {
    color: var(--bridge-action-fg);
}

.bridge-surface__signals {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    margin: clamp(2rem, 6vw, 4rem) 0 0;
    padding: 1px;
    border-radius: 1rem;
    background: var(--bridge-border);
}

.bridge-surface__signals div {
    padding: 1rem;
    background: Canvas;
}

.bridge-surface__signals div:first-child {
    border-radius: calc(1rem - 1px) 0 0 calc(1rem - 1px);
}

.bridge-surface__signals div:last-child {
    border-radius: 0 calc(1rem - 1px) calc(1rem - 1px) 0;
}

.bridge-surface__signals dt {
    margin-bottom: 0.35rem;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.6;
}

.bridge-surface__signals dd {
    margin: 0;
    font-weight: 700;
}

.bridge-surface__panel,
.bridge-surface__card,
.bridge-surface__empty {
    padding: clamp(1.25rem, 4vw, 2.5rem);
    border: 1px solid var(--bridge-border);
    border-radius: 1.25rem;
    background: var(--bridge-soft);
}

.bridge-error {
    min-height: min(68vh, 44rem);
    align-content: center;
}

.bridge-error__reference {
    margin: 2rem 0 0;
    font-size: 0.8rem;
    opacity: 0.62;
}

.bridge-surface__content {
    min-width: 0;
    font-size: 1.02rem;
    line-height: 1.75;
}

.bridge-surface__content > :first-child {
    margin-top: 0;
}

.bridge-surface__content > :last-child {
    margin-bottom: 0;
}

.bridge-surface__content h2,
.bridge-surface__content h3 {
    margin-top: 2em;
    line-height: 1.15;
    letter-spacing: -0.025em;
}

.bridge-surface__content img,
.bridge-surface__feature img {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 1rem;
}

.bridge-surface__content blockquote {
    margin-inline: 0;
    padding: 1rem 1.25rem;
    border-inline-start: 0.25rem solid currentColor;
    background: var(--bridge-soft);
}

.bridge-surface__cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.bridge-surface__card h2 {
    margin: 0.3rem 0 0.75rem;
    line-height: 1.2;
}

.bridge-surface__card h2 a,
.bridge-surface__text-link {
    color: inherit;
}

.bridge-surface__text-link {
    font-weight: 750;
    text-underline-offset: 0.2em;
}

.bridge-surface__card--accent {
    background: color-mix(in srgb, var(--bridge-accent) 10%, transparent);
}

.bridge-surface__split,
.bridge-surface__article {
    display: grid;
    grid-template-columns: minmax(0, 1.65fr) minmax(16rem, 0.75fr);
    align-items: start;
    gap: clamp(1rem, 3vw, 2rem);
}

.bridge-surface__article {
    grid-template-columns: minmax(13rem, 0.55fr) minmax(0, 1.6fr);
}

.bridge-surface__sidebar {
    display: grid;
    gap: 1rem;
}

.bridge-surface__article-aside {
    position: sticky;
    top: 1rem;
    padding: 1.25rem 0;
    border-block: 1px solid var(--bridge-border);
}

.bridge-surface__article-aside h2 {
    font-size: 1.25rem;
    line-height: 1.25;
}

.bridge-surface__feature {
    margin: 0;
}

.bridge-surface__feature img {
    width: 100%;
    max-height: 38rem;
    object-fit: cover;
}

.bridge-surface__cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: clamp(1.4rem, 4vw, 2.5rem);
    border-block: 1px solid var(--bridge-border);
}

.bridge-surface__cta h2 {
    max-width: 24ch;
    margin: 0;
    line-height: 1.15;
}

.bridge-surface__empty {
    display: grid;
    gap: 0.25rem;
    text-align: center;
}

@media (max-width: 760px) {
    .bridge-surface__signals,
    .bridge-surface__cards,
    .bridge-surface__split,
    .bridge-surface__article {
        grid-template-columns: 1fr;
    }

    .bridge-surface__signals div,
    .bridge-surface__signals div:first-child,
    .bridge-surface__signals div:last-child {
        border-radius: 0;
    }

    .bridge-surface__signals div:first-child {
        border-radius: calc(1rem - 1px) calc(1rem - 1px) 0 0;
    }

    .bridge-surface__signals div:last-child {
        border-radius: 0 0 calc(1rem - 1px) calc(1rem - 1px);
    }

    .bridge-surface__article-aside {
        position: static;
    }

    .bridge-surface__cta {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .bridge-surface__button {
        transition: transform 160ms ease;
    }
}