.i5-page {
    padding-bottom: 48px;
}

/* banner: brand gradient (as the top bar) with title and page tabs */
.i5-hero {
    position: relative;
    margin: 0 -4px;
    padding: 48px 24px 0;
    border-radius: 0 0 20px 20px;
    background: var(--v5-hero);
    color: var(--v5-hero-ink);
    text-align: center;
}

.i5-hero-inner {
    max-width: 760px;
    margin-inline: auto;
    padding-bottom: 32px;
}

.i5-eyebrow {
    display: inline-block;
    margin-bottom: 10px;
    padding: 3px 14px;
    border: 1px solid rgba(12, 74, 110, 0.35);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.4px;
    color: rgba(12, 74, 110, 1);
}

.i5-title {
    margin: 0;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.3;
}

/* tabs along the bottom edge of the banner */
.i5-tabs {
    display: flex;
    justify-content: center;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
}

    .i5-tabs::-webkit-scrollbar {
        display: none;
    }

.i5-tab {
    flex-shrink: 0;
    padding: 12px 18px;
    border-bottom: 3px solid transparent;
    color: rgba(12, 74, 110, 0.9);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s ease, border-color 0.2s ease;
}

    .i5-tab:hover,
    .i5-tab:focus-visible {
        color: var(--v5-hero-ink);
        border-bottom-color: rgba(12, 74, 110, 0.45);
    }

    .i5-tab:focus-visible {
        outline: 2px solid var(--v5-hero-ink);
        outline-offset: -2px;
    }

.i5-tab-active,
.i5-tab-active:hover {
    color: var(--v5-hero-ink);
    border-bottom-color: var(--v5-accent);
}

/* content: a single centered reading column, no side panel */
.i5-content {
    max-width: 820px;
    margin: 32px auto 0;
    padding: 40px 48px;
    border-radius: 16px;
    background-color: var(--mud-palette-surface);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

/* Content comes from the CKEditor, so style its HTML for comfortable reading */
.i5-body {
    font-size: 1.05rem;
    line-height: 2.1;
    overflow-wrap: break-word;
}

    .i5-body p {
        margin: 0 0 1.1em;
    }

    .i5-body h2,
    .i5-body h3,
    .i5-body h4 {
        margin: 1.6em 0 0.6em;
        padding-inline-start: 12px;
        border-inline-start: 4px solid var(--v5-accent);
        line-height: 1.5;
    }

    .i5-body ul,
    .i5-body ol {
        margin: 0 0 1.1em;
        padding-inline-start: 1.5em;
    }

    .i5-body img {
        display: block;
        max-width: 100%;
        height: auto;
        margin: 1.5em auto;
        border-radius: 12px;
    }

    .i5-body blockquote {
        margin: 1.5em 0;
        padding: 12px 20px;
        border-inline-start: 4px solid var(--v5-accent);
        border-radius: 8px;
        background-color: var(--mud-palette-background-gray);
    }

    .i5-body a {
        color: var(--v5-sky-700);
        text-decoration: underline;
    }

.i5-loading {
    display: flex;
    justify-content: center;
    padding: 60px 0;
}

.i5-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 48px 0;
    color: var(--mud-palette-text-secondary);
    text-align: center;
}

    .i5-empty p {
        margin: 0;
    }

@media (max-width: 960px) {
    .i5-tabs {
        justify-content: flex-start;
    }
}

@media (max-width: 600px) {
    .i5-hero {
        padding: 32px 16px 0;
        border-radius: 0 0 14px 14px;
    }

    .i5-hero-inner {
        padding-bottom: 20px;
    }

    .i5-tab {
        padding: 10px 12px;
        font-size: 0.9rem;
    }

    .i5-content {
        margin-top: 20px;
        padding: 24px 16px;
        border-radius: 12px;
    }
}