/*
|--------------------------------------------------------------------------
| Sparrow Song — Shared Styles
|--------------------------------------------------------------------------
*/

:root {
    --spro-background: #f7f4fa;
    --spro-surface: #ffffff;
    --spro-surface-soft: #f0eaf5;
    --spro-text: #241d2b;
    --spro-text-muted: #6d6375;
    --spro-heading: #2e1e3e;
    --spro-border: #ddd3e5;
    --spro-primary: #5f3b87;
    --spro-primary-dark: #452764;
    --spro-primary-soft: #ece2f5;
    --spro-accent: #9667ad;
    --spro-success: #3d6b56;
    --spro-error: #8f2f3a;
    --spro-shadow: 0 18px 46px rgba(51, 32, 67, 0.09);
    --spro-radius-small: 0.55rem;
    --spro-radius-medium: 1rem;
    --spro-radius-large: 1.5rem;
    --spro-max-width: 76rem;
    --spro-reading-width: 54rem;
}

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

html {
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    min-height: 100%;
    margin: 0;
    color: var(--spro-text);
    background:
        radial-gradient(
            circle at top left,
            rgba(150, 103, 173, 0.13),
            transparent 28rem
        ),
        var(--spro-background);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    font-size: 1rem;
    line-height: 1.65;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: var(--spro-primary);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.16em;
}

a:hover {
    color: var(--spro-primary-dark);
}

button,
input,
select,
textarea {
    font: inherit;
}

.skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 1000;
    padding: 0.65rem 0.9rem;
    color: #ffffff;
    background: var(--spro-primary-dark);
    border-radius: var(--spro-radius-small);
    transform: translateY(-180%);
}

.skip-link:focus {
    transform: translateY(0);
}

/*
|--------------------------------------------------------------------------
| Header
|--------------------------------------------------------------------------
*/

.site-header {
    position: relative;
    z-index: 20;
    border-bottom: 1px solid rgba(95, 59, 135, 0.12);
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(18px);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    width: min(calc(100% - 2rem), var(--spro-max-width));
    min-height: 5.7rem;
    margin-inline: auto;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    color: inherit;
    text-decoration: none;
}

.site-brand:hover {
    color: inherit;
}

.site-brand__mark {
    display: grid;
    place-items: center;
    width: 2.85rem;
    aspect-ratio: 1;
    color: #ffffff;
    background:
        linear-gradient(
            145deg,
            var(--spro-primary),
            var(--spro-accent)
        );
    border-radius: 50% 50% 46% 54% / 52% 46% 54% 48%;
    box-shadow: 0 10px 22px rgba(95, 59, 135, 0.22);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.site-brand__text {
    display: grid;
    line-height: 1.2;
}

.site-brand__eyebrow {
    color: var(--spro-primary);
    font-size: 0.67rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.site-brand__name {
    color: var(--spro-heading);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    font-weight: 700;
}

.site-brand__subtitle {
    margin-top: 0.15rem;
    color: var(--spro-text-muted);
    font-size: 0.74rem;
}

/*
|--------------------------------------------------------------------------
| Navigation
|--------------------------------------------------------------------------
*/

.site-navigation {
    position: relative;
}

.navigation-list {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.navigation-link {
    display: inline-flex;
    align-items: center;
    min-height: 2.7rem;
    padding: 0.45rem 0.8rem;
    color: var(--spro-text-muted);
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
}

.navigation-link:hover,
.navigation-link.is-active {
    color: var(--spro-primary-dark);
    background: var(--spro-primary-soft);
}

.navigation-toggle {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.75rem;
    color: var(--spro-heading);
    background: var(--spro-surface-soft);
    border: 1px solid var(--spro-border);
    border-radius: 999px;
    cursor: pointer;
}

/*
|--------------------------------------------------------------------------
| Main Content
|--------------------------------------------------------------------------
*/

.site-main {
    width: min(calc(100% - 2rem), var(--spro-max-width));
    margin-inline: auto;
    padding-block: clamp(2.5rem, 7vw, 5rem);
}

.content-panel {
    padding: clamp(1.4rem, 4vw, 2.75rem);
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(95, 59, 135, 0.13);
    border-radius: var(--spro-radius-large);
    box-shadow: var(--spro-shadow);
}

.page-eyebrow {
    margin: 0 0 0.4rem;
    color: var(--spro-primary);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.page-title {
    margin: 0;
    color: var(--spro-heading);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1.7rem, 5vw, 2.65rem);
    line-height: 1.15;
}

.page-introduction {
    max-width: 46rem;
    margin: 0.75rem 0 0;
    color: var(--spro-text-muted);
    font-size: clamp(1rem, 2vw, 1.12rem);
}

.error-panel {
    max-width: var(--spro-reading-width);
    margin-inline: auto;
    padding: 1.25rem;
    color: var(--spro-error);
    background: #fff3f4;
    border: 1px solid #e5bcc1;
    border-radius: var(--spro-radius-medium);
}

/*
|--------------------------------------------------------------------------
| Notices
|--------------------------------------------------------------------------
*/

.site-notices {
    border-top: 1px solid var(--spro-border);
    background: var(--spro-surface-soft);
}

.site-notices__inner {
    width: min(calc(100% - 2rem), var(--spro-max-width));
    margin-inline: auto;
    padding-block: 2rem;
}

.site-notices h2 {
    margin: 0 0 0.75rem;
    color: var(--spro-heading);
    font-size: 1rem;
}

.site-notices p {
    max-width: 70rem;
    margin: 0.45rem 0;
    color: var(--spro-text-muted);
    font-size: 0.84rem;
}

/*
|--------------------------------------------------------------------------
| Footer
|--------------------------------------------------------------------------
*/

.site-footer {
    color: #e9dff0;
    background: #251b2d;
}

.site-footer__inner {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.5fr);
    gap: 1.5rem 3rem;
    width: min(calc(100% - 2rem), var(--spro-max-width));
    margin-inline: auto;
    padding-block: 2.5rem;
}

.site-footer p {
    margin: 0.35rem 0;
}

.site-footer a {
    color: #ffffff;
}

.site-footer__section-name {
    color: #ffffff;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.15rem;
    font-weight: 700;
}

.site-footer__notice {
    color: #cfc1d8;
    font-size: 0.82rem;
}

.site-footer__meta {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1.5rem;
    padding-top: 1rem;
    color: #ad9cb8;
    border-top: 1px solid rgba(255, 255, 255, 0.11);
    font-size: 0.75rem;
}

.site-footer__meta span {
    color: #ddd0e5;
    font-weight: 700;
}

/*
|--------------------------------------------------------------------------
| Responsive Navigation and Layout
|--------------------------------------------------------------------------
*/

@media (max-width: 46rem) {
    .site-header__inner {
        min-height: 5rem;
    }

    .site-brand__subtitle {
        display: none;
    }

    .navigation-toggle {
        display: inline-flex;
    }

    .navigation-list {
        position: absolute;
        top: calc(100% + 0.75rem);
        right: 0;
        display: none;
        min-width: 12rem;
        padding: 0.55rem;
        background: var(--spro-surface);
        border: 1px solid var(--spro-border);
        border-radius: var(--spro-radius-medium);
        box-shadow: var(--spro-shadow);
    }

    .navigation-list.is-open {
        display: grid;
    }

    .navigation-link {
        width: 100%;
        border-radius: var(--spro-radius-small);
    }

    .site-footer__inner {
        grid-template-columns: 1fr;
    }

    .site-footer__meta {
        grid-column: auto;
        display: grid;
    }
}