/*
 * Shared components. Each mirrors its counterpart in
 * rainmatch-mono/mobile/lib/ui (named in the comment) so the site and app
 * behave alike. Load after tokens.css and base.css.
 */

/* ---------- Button (ui/Button.tsx) ---------- */

.btn {
    --btn-bg: var(--color-primary);
    --btn-bg-pressed: var(--color-primary-pressed);
    --btn-fg: var(--color-on-primary);
    --btn-border: transparent;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    height: 2.75rem;
    padding-inline: var(--space-xl);
    border: 1px solid var(--btn-border);
    border-radius: var(--radius-md);
    background: var(--btn-bg);
    color: var(--btn-fg);
    font: var(--text-callout);
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition:
        background-color var(--duration-fast) var(--easing),
        color var(--duration-fast) var(--easing),
        transform var(--duration-fast) var(--easing);
}

/* Icons take the label colour (the app once shipped black icons inside
   coloured buttons). */
.btn svg {
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
    fill: currentColor;
}

.btn svg[fill="none"] {
    fill: none;
    stroke: currentColor;
}

.btn:hover {
    color: var(--btn-fg);
    background: var(--btn-bg-pressed);
}

.btn:active {
    transform: scale(var(--press-scale-sm));
}

.btn-primary {
    /* Defaults above. */
}

.btn-secondary {
    --btn-bg: var(--color-surface-raised);
    --btn-bg-pressed: var(--color-surface-highest);
    --btn-fg: var(--color-text);
    --btn-border: var(--color-border);
}

.btn-ghost {
    --btn-bg: transparent;
    --btn-bg-pressed: var(--color-pressed-overlay);
    --btn-fg: var(--color-primary-text);
}

/* Quiet ghost for navigation: neutral text instead of blue. */
.btn-ghost.btn-neutral {
    --btn-fg: var(--color-text-muted);
}

.btn-ghost.btn-neutral:hover,
.btn-ghost.btn-neutral[aria-current="page"] {
    color: var(--color-text);
}

.btn-accent {
    --btn-bg: var(--color-accent);
    --btn-bg-pressed: var(--color-accent-pressed);
    --btn-fg: var(--color-on-accent);
}

.btn-danger {
    --btn-bg: var(--color-danger-container);
    --btn-bg-pressed: var(--color-surface-highest);
    --btn-fg: var(--color-danger);
}

.btn-sm {
    height: 2.25rem;
    padding-inline: var(--space-md);
    font: var(--text-subhead);
    font-weight: 600;
}

.btn-sm svg {
    width: 1rem;
    height: 1rem;
}

.btn-lg {
    height: 3.25rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled,
.btn[aria-disabled="true"] {
    --btn-bg: var(--color-surface-raised);
    --btn-bg-pressed: var(--color-surface-raised);
    --btn-fg: var(--color-text-disabled);
    cursor: not-allowed;
    transform: none;
}

.btn-ghost:disabled {
    --btn-bg: transparent;
}

/* Round icon-only button (ui/IconButton.tsx). */
.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-full);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    transition:
        background-color var(--duration-fast) var(--easing),
        transform var(--duration-fast) var(--easing);
}

.icon-btn svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: none;
    stroke: currentColor;
}

.icon-btn:hover {
    background: var(--color-surface-highest);
}

.icon-btn:active {
    transform: scale(var(--press-scale-sm));
}

/* ---------- Card (ui/Card.tsx) ---------- */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

@media (min-width: 600px) {
    .card {
        padding: var(--space-xl);
    }
}

.card-raised {
    background: var(--color-surface-raised);
    box-shadow: var(--shadow-2);
}

.card-sunken {
    background: var(--color-surface-sunken);
}

/* Clickable cards respond like PressableScale: tint on hover, scale on press. */
.card-link {
    display: block;
    color: inherit;
    cursor: pointer;
    transition:
        background-color var(--duration-fast) var(--easing),
        border-color var(--duration-fast) var(--easing),
        transform var(--duration-fast) var(--easing);
}

.card-link:hover {
    color: inherit;
    background: var(--color-surface-raised);
    border-color: var(--color-border-strong);
}

.card-link:active {
    transform: scale(var(--press-scale));
}

/* ---------- Tag (static label) ---------- */

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xxs) var(--space-sm);
    border-radius: var(--radius-sm);
    font: var(--text-caption);
    background: var(--color-surface-raised);
    color: var(--color-text-muted);
}

.tag-primary {
    background: var(--color-primary-container);
    color: var(--color-on-primary-container);
}

.tag-accent {
    background: var(--color-accent-container);
    color: var(--color-on-accent-container);
}

.tag-success {
    background: var(--color-success-container);
    color: var(--color-success);
}

.tag-danger {
    background: var(--color-danger-container);
    color: var(--color-danger);
}

/* ---------- Filter chip (ui/Chip.tsx) ---------- */

.chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    height: 2.25rem;
    min-width: 2.25rem;
    padding-inline: var(--space-lg);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-text-muted);
    font: var(--text-subhead);
    font-weight: 600;
    transition:
        background-color var(--duration-fast) var(--easing),
        border-color var(--duration-fast) var(--easing),
        color var(--duration-fast) var(--easing),
        transform var(--duration-fast) var(--easing);
}

.chip:hover {
    background: var(--color-pressed-overlay);
    color: var(--color-text);
}

.chip:active {
    transform: scale(var(--press-scale-sm));
}

.chip[aria-selected="true"],
.chip[aria-pressed="true"],
.chip[aria-current="page"],
.chip.is-selected {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-on-primary);
}

.chip-accent[aria-selected="true"] {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-on-accent);
}

.chip:disabled {
    color: var(--color-text-disabled);
    border-color: var(--color-border);
    background: transparent;
    cursor: not-allowed;
    transform: none;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

/* Segmented control: a chip row sitting in a sunken track. */
.segmented {
    display: inline-flex;
    gap: var(--space-xs);
    padding: var(--space-xs);
    border-radius: var(--radius-full);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

.segmented .chip {
    border-color: transparent;
}

/* ---------- Stat (ui/Stat.tsx) ---------- */

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xxs);
}

.stat-value {
    font: var(--text-title2);
    letter-spacing: var(--tracking-title2);
    color: var(--color-text);
}

.stat-caption {
    font: var(--text-caption);
    color: var(--color-text-subtle);
}

/* ---------- Meta row (ui/MetaRow.tsx) ---------- */

.meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
    font: var(--text-subhead);
    color: var(--color-text-subtle);
}

.meta-row > * + *::before {
    content: "·";
    margin-right: var(--space-xs);
}

/* ---------- Section label (overline) ---------- */

.section-label {
    display: block;
    font: var(--text-overline);
    letter-spacing: var(--tracking-overline);
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

.section-label-accent {
    color: var(--color-accent-text);
}

/* A section's opening: overline, title, muted lede. */
.section-head {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.section-head h2 {
    font: var(--text-section);
    letter-spacing: var(--tracking-section);
}

.section-head > p {
    color: var(--color-text-muted);
    max-width: var(--content-max);
}

.section-head.text-center {
    align-items: center;
}

/* ---------- Step header (ui/StepHeader.tsx) ---------- */

.step-progress {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.step-segments {
    display: flex;
    gap: var(--space-xs);
}

.step-segments > span {
    flex: 1;
    height: 0.25rem;
    border-radius: var(--radius-full);
    background: var(--color-surface-highest);
    overflow: hidden;
    position: relative;
}

/* The fill grows in, so the bar reads as progress rather than a static
   stripe. site.js marks segments .is-done as their steps scroll into view. */
.step-segments > span::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-slow) var(--easing);
}

.step-segments > span.is-done::after {
    transform: scaleX(1);
}

.step-segments.accent > span::after {
    background: var(--color-accent);
}

.step-count {
    font: var(--text-caption);
    color: var(--color-text-subtle);
}

/* Numbered step: badge + title + body. */
.step-item {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: var(--space-lg);
    row-gap: var(--space-xs);
    align-items: start;
}

.step-item > .number-badge {
    grid-row: span 2;
}

.step-item-title {
    font: var(--text-headline);
    color: var(--color-text);
    align-self: center;
    min-height: 2rem;
    display: flex;
    align-items: center;
}

.step-item-body {
    grid-column: 2;
    color: var(--color-text-muted);
    min-width: 0;
}

.step-item-body > * + * {
    margin-top: var(--space-md);
}

/* ---------- Number badge ---------- */

.number-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: var(--color-on-primary);
    font: var(--text-subhead);
    font-weight: 700;
}

.number-badge-accent {
    background: var(--color-accent);
    color: var(--color-on-accent);
}

/* ---------- Icon tile ---------- */

.icon-tile {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-md);
    background: var(--color-primary-container);
    color: var(--color-on-primary-container);
}

.icon-tile svg {
    width: 1.375rem;
    height: 1.375rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.icon-tile-accent {
    background: var(--color-accent-container);
    color: var(--color-accent-text);
}

/* ---------- Callout ---------- */

.callout {
    --callout-bar: var(--color-border-strong);
    position: relative;
    padding: var(--space-lg) var(--space-lg) var(--space-lg) calc(var(--space-lg) + 0.25rem);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    overflow: hidden;
}

.callout::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 0.25rem;
    background: var(--callout-bar);
}

.callout > * + * {
    margin-top: var(--space-sm);
}

.callout strong {
    color: var(--color-text);
}

.callout-primary {
    --callout-bar: var(--color-primary);
}

.callout-accent {
    --callout-bar: var(--color-accent);
}

.callout-success {
    --callout-bar: var(--color-success);
}

/* ---------- Page hero ---------- */

.page-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    text-align: center;
    padding-block: var(--space-3xl) var(--space-2xl);
}

.page-hero h1 {
    font: var(--text-display);
    letter-spacing: var(--tracking-display);
}

@media (min-width: 840px) {
    .page-hero {
        padding-block: var(--space-4xl) var(--space-3xl);
    }

    .page-hero h1 {
        font-size: 3rem;
        line-height: 1.1;
        letter-spacing: var(--tracking-hero);
    }
}

.page-hero > p {
    max-width: var(--content-max);
    color: var(--color-text-muted);
    font: var(--text-headline);
    font-weight: 400;
}

/* ---------- CTA band ---------- */

.cta-band {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-2xl) var(--space-lg);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    text-align: center;
    overflow: hidden;
    isolation: isolate;
}

/* A soft brand glow in the band's top corners. */
.cta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(60% 80% at 0% 0%, color-mix(in srgb, var(--blue-600) 22%, transparent), transparent 70%),
        radial-gradient(50% 70% at 100% 0%, color-mix(in srgb, var(--yellow-400) 10%, transparent), transparent 70%);
}

@media (min-width: 600px) {
    .cta-band {
        padding: var(--space-3xl) var(--space-2xl);
    }
}

.cta-band h2,
.cta-band h3 {
    font: var(--text-section);
    letter-spacing: var(--tracking-section);
}

.cta-band p {
    max-width: var(--content-max);
    color: var(--color-text-muted);
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-sm);
}

/* ---------- Back link ---------- */

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font: var(--text-callout);
    color: var(--color-primary-text);
}

.back-link:hover {
    color: var(--color-primary-text-hover);
}

/* ---------- Accordion (<details>) ---------- */

.accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.accordion-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition:
        background-color var(--duration-fast) var(--easing),
        border-color var(--duration-fast) var(--easing);
}

.accordion-item:hover {
    border-color: var(--color-border-strong);
}

.accordion-item[open] {
    background: var(--color-surface-raised);
}

.accordion-item > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    padding: var(--space-lg) var(--space-xl);
    font: var(--text-headline);
    color: var(--color-text);
    cursor: pointer;
    list-style: none;
    border-radius: var(--radius-lg);
}

.accordion-item > summary::-webkit-details-marker {
    display: none;
}

/* Plus that turns into a minus. */
.accordion-icon {
    position: relative;
    width: 1.75rem;
    height: 1.75rem;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    background: var(--color-surface-raised);
    transition:
        background-color var(--duration-base) var(--easing),
        transform var(--duration-base) var(--easing);
}

.accordion-icon::before,
.accordion-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.75rem;
    height: 2px;
    margin: -1px 0 0 -6px;
    border-radius: 1px;
    background: var(--color-text-muted);
    transition: transform var(--duration-base) var(--easing);
}

.accordion-icon::after {
    transform: rotate(90deg);
}

.accordion-item[open] .accordion-icon {
    background: var(--color-primary);
}

.accordion-item[open] .accordion-icon::before,
.accordion-item[open] .accordion-icon::after {
    background: var(--color-on-primary);
}

.accordion-item[open] .accordion-icon::after {
    transform: rotate(0deg);
}

.accordion-panel {
    padding: 0 var(--space-xl) var(--space-xl);
    color: var(--color-text-muted);
}

.accordion-panel > * + * {
    margin-top: var(--space-md);
}

.accordion-panel ul,
.accordion-panel ol {
    padding-left: var(--space-xl);
}

.accordion-panel li + li {
    margin-top: var(--space-xs);
}

.accordion-panel strong {
    color: var(--color-text);
    font-weight: 600;
}

/* site.js animates opening by toggling this. */
.accordion-item.is-opening .accordion-panel {
    animation: accordion-in var(--duration-base) var(--easing);
}

@keyframes accordion-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
}

/* ---------- Code block ---------- */

.code-block {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-sm) var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    background: var(--color-surface-sunken);
    border: 1px solid var(--color-border);
}

.code-block code {
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    white-space: nowrap;
    font-size: 0.875rem;
    color: var(--color-text);
    padding-block: var(--space-xs);
}

:not(pre) > code:not(.code-block code) {
    padding: 1px var(--space-xs);
    border-radius: var(--space-xs);
    background: var(--color-surface-raised);
    color: var(--color-text);
}

.copy-btn.is-copied {
    --btn-fg: var(--color-success);
}

/* ---------- Table ---------- */

.table-scroll {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font: var(--text-subhead);
}

.table th {
    text-align: left;
    font: var(--text-overline);
    letter-spacing: var(--tracking-overline);
    text-transform: uppercase;
    color: var(--color-text-subtle);
    background: var(--color-surface);
    padding: var(--space-md) var(--space-lg);
}

.table td {
    padding: var(--space-md) var(--space-lg);
    vertical-align: top;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}

.table td:first-child {
    white-space: nowrap;
}

/* ---------- Prose (long-form text: privacy, blog) ---------- */

.prose {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.prose > * + * {
    margin-top: var(--space-lg);
}

.prose h2 {
    color: var(--color-text);
    margin-top: var(--space-3xl);
}

.prose h3 {
    color: var(--color-text);
    margin-top: var(--space-2xl);
}

.prose h2 + *,
.prose h3 + * {
    margin-top: var(--space-md);
}

.prose ul,
.prose ol {
    padding-left: var(--space-xl);
}

.prose li + li {
    margin-top: var(--space-sm);
}

.prose li::marker {
    color: var(--color-text-subtle);
}

.prose strong {
    color: var(--color-text);
    font-weight: 600;
}

.prose a {
    text-decoration: underline;
    text-decoration-color: color-mix(in srgb, currentColor 40%, transparent);
    text-underline-offset: 0.1875rem;
}

.prose hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin-block: var(--space-3xl);
}

/* ---------- Site header (rendered by site.js) ---------- */

site-header {
    display: block;
    position: sticky;
    top: var(--space-md);
    z-index: 100;
    padding-inline: var(--space-md);
    min-height: 3.75rem;
}

.site-header {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    max-width: var(--page-max);
    margin: var(--space-md) auto 0;
    padding: var(--space-xs) var(--space-xs) var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    background: color-mix(in srgb, var(--color-surface) 72%, transparent);
    border: 1px solid var(--color-border);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    backdrop-filter: blur(16px) saturate(140%);
    transition:
        background-color var(--duration-base) var(--easing),
        box-shadow var(--duration-base) var(--easing),
        border-color var(--duration-base) var(--easing);
}

site-header.is-scrolled .site-header {
    background: color-mix(in srgb, var(--color-surface-raised) 88%, transparent);
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-2);
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-right: auto;
    padding-right: var(--space-sm);
    font: var(--text-headline);
    font-weight: 700;
    color: var(--color-text);
}

.site-brand:hover {
    color: var(--color-text);
}

.site-brand img {
    width: 2rem;
    height: 2rem;
    object-fit: contain;
}

.site-nav,
.site-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xxs);
}

.site-nav .btn,
.site-actions .btn {
    border-radius: var(--radius-full);
}

.site-nav .btn,
.site-actions .btn-sm {
    font: var(--text-callout);
    font-weight: 600;
}

.site-nav .btn {
    padding-inline: var(--space-md);
}

.site-sep {
    width: 1px;
    height: 1.25rem;
    margin-inline: var(--space-xs);
    background: var(--color-border-strong);
}

.menu-toggle {
    display: none;
}

.menu-toggle .icon-close {
    display: none;
}

/* Below 960px the nav and sign-in collapse into a sheet (the full bar needs
   about 840px once the desktop type step applies). */
@media (max-width: 959px) {
    .site-nav,
    .site-actions .site-sep,
    .site-actions .btn-ghost,
    .site-actions .btn-signup {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
        width: 2.5rem;
        height: 2.5rem;
        background: transparent;
        border: none;
    }

    site-header.is-open .menu-toggle .icon-open {
        display: none;
    }

    site-header.is-open .menu-toggle .icon-close {
        display: block;
    }
}

.site-menu {
    display: none;
}

@media (max-width: 959px) {
    /* Drops down over the page instead of pushing it. */
    .site-menu {
        position: absolute;
        top: 100%;
        left: var(--space-md);
        right: var(--space-md);
        display: flex;
        flex-direction: column;
        gap: var(--space-xs);
        margin-top: var(--space-sm);
        padding: var(--space-sm);
        border-radius: var(--radius-xl);
        background: var(--color-surface-raised);
        border: 1px solid var(--color-border-strong);
        box-shadow: var(--shadow-3);
        transform-origin: top center;
        opacity: 0;
        transform: translateY(-8px) scale(0.98);
        pointer-events: none;
        visibility: hidden;
        transition:
            opacity var(--duration-base) var(--easing),
            transform var(--duration-base) var(--easing),
            visibility 0s linear var(--duration-base);
    }

    site-header.is-open .site-menu {
        opacity: 1;
        transform: none;
        pointer-events: auto;
        visibility: visible;
        transition:
            opacity var(--duration-base) var(--easing),
            transform var(--duration-base) var(--easing);
    }

    .site-menu .btn {
        justify-content: flex-start;
    }

    .site-menu-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-sm);
        padding-top: var(--space-sm);
        margin-top: var(--space-xs);
        border-top: 1px solid var(--color-border);
    }

    .site-menu-actions .btn {
        justify-content: center;
    }
}

/* Plain links shown only when JS is off. */
.noscript-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    font: var(--text-callout);
}

/* ---------- Site footer (rendered by site.js) ---------- */

site-footer {
    display: block;
    margin-top: var(--space-4xl);
    border-top: 1px solid var(--color-border);
    background: var(--color-surface-sunken);
}

.site-footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl) var(--space-xl);
    padding-block: var(--space-3xl) var(--space-2xl);
}

.footer-brand {
    grid-column: 1 / -1;
}

@media (min-width: 600px) {
    .footer-brand {
        grid-column: auto;
    }
}

@media (min-width: 600px) {
    .site-footer {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-brand p {
    color: var(--color-text-muted);
}

.footer-social {
    display: flex;
    gap: var(--space-xs);
    margin-top: var(--space-xs);
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    transition:
        background-color var(--duration-fast) var(--easing),
        color var(--duration-fast) var(--easing),
        transform var(--duration-fast) var(--easing);
}

.footer-social a:hover {
    background: var(--color-surface-raised);
    color: var(--color-text);
}

.footer-social a:active {
    transform: scale(var(--press-scale-sm));
}

.footer-social svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-col .section-label {
    margin-bottom: var(--space-xs);
}

.footer-col a {
    color: var(--color-text-muted);
    font: var(--text-callout);
    font-weight: 400;
    width: fit-content;
}

.footer-col a:hover {
    color: var(--color-text);
}

.footer-legal {
    grid-column: 1 / -1;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    font: var(--text-subhead);
    color: var(--color-text-subtle);
}

/* ---------- Reading progress (blog posts) ---------- */

.reading-progress {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 200;
    height: 0.1875rem;
    background: var(--color-primary);
    transform-origin: left;
    transform: scaleX(var(--progress, 0));
}