/* =========================================================================
   Theme tokens — the Cairn site's theme with its green hue rotated to purple
   (same saturation and lightness, 1.4rem radius).
   ========================================================================= */
:root {
    --background: rgb(253, 253, 253);
    --foreground: rgb(0, 0, 0);
    --card: rgb(253, 253, 253);
    --card-foreground: rgb(0, 0, 0);
    --popover: rgb(252, 252, 252);
    --popover-foreground: rgb(0, 0, 0);
    --primary: rgb(129, 102, 159);
    --primary-foreground: rgb(250, 250, 249);
    --secondary: rgb(212, 208, 217);
    --secondary-foreground: rgb(8, 8, 8);
    --muted: rgb(245, 245, 245);
    --muted-foreground: rgb(135, 135, 135);
    --accent: rgb(76, 64, 89);
    --accent-foreground: rgb(255, 255, 255);
    --destructive: rgb(179, 25, 31);
    --destructive-foreground: rgb(255, 255, 255);
    --border: rgb(231, 231, 238);
    --input: rgb(235, 235, 235);
    --ring: rgb(177, 165, 190);
    --sidebar: rgb(245, 248, 251);

    --font-sans: "Plus Jakarta Sans", system-ui, sans-serif;
    --font-serif: "Lora", Georgia, serif;
    --font-mono: "IBM Plex Mono", ui-monospace, monospace;
    --radius: 1.4rem;

    --shadow-sm:
        0px 2px 3px 0px hsl(0 0% 0% / 0.16),
        0px 1px 2px -1px hsl(0 0% 0% / 0.16);
    --shadow-md:
        0px 2px 3px 0px hsl(0 0% 0% / 0.16),
        0px 2px 4px -1px hsl(0 0% 0% / 0.16);
    --shadow-lg:
        0px 2px 3px 0px hsl(0 0% 0% / 0.16),
        0px 4px 6px -1px hsl(0 0% 0% / 0.16);
    --shadow-xl:
        0px 2px 3px 0px hsl(0 0% 0% / 0.16),
        0px 8px 10px -1px hsl(0 0% 0% / 0.16);

    --tracking: -0.025em;
}

.dark {
    --background: rgb(7, 5, 3);
    --foreground: rgb(249, 248, 247);
    --card: rgb(16, 13, 8);
    --card-foreground: rgb(249, 248, 247);
    --popover: rgb(11, 9, 5);
    --popover-foreground: rgb(249, 248, 247);
    --primary: rgb(177, 165, 190);
    --primary-foreground: rgb(4, 3, 2);
    --secondary: rgb(38, 33, 26);
    --secondary-foreground: rgb(231, 228, 223);
    --muted: rgb(30, 26, 20);
    --muted-foreground: rgb(146, 143, 138);
    --accent: rgb(76, 64, 89);
    --accent-foreground: rgb(255, 255, 255);
    --destructive: rgb(179, 25, 31);
    --destructive-foreground: rgb(249, 248, 247);
    --border: rgb(47, 40, 27);
    --input: rgb(26, 21, 14);
    --ring: rgb(177, 165, 190);
    --sidebar: rgb(4, 3, 2);

    --shadow-sm:
        0px 2px 12px 0px hsl(0 0% 0% / 0.35),
        0px 1px 2px -1px hsl(0 0% 0% / 0.35);
    --shadow-md:
        0px 2px 12px 0px hsl(0 0% 0% / 0.35),
        0px 2px 4px -1px hsl(0 0% 0% / 0.35);
    --shadow-lg:
        0px 2px 12px 0px hsl(0 0% 0% / 0.35),
        0px 4px 6px -1px hsl(0 0% 0% / 0.35);
    --shadow-xl:
        0px 2px 12px 0px hsl(0 0% 0% / 0.35),
        0px 8px 10px -1px hsl(0 0% 0% / 0.35);
}

/* =========================================================================
   Base / reset
   ========================================================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
    border: 0 solid var(--border);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 5.5rem; /* clears the sticky header for anchor jumps */
}

body {
    margin: 0;
    font-family: var(--font-sans);
    letter-spacing: var(--tracking);
    background: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
    margin: 0 0 0.5em;
}

p {
    margin: 0 0 1rem;
}

a {
    color: inherit;
    text-decoration: none;
}

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

code,
kbd {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--muted);
    padding: 0.1em 0.4em;
    border-radius: 0.45rem;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.muted {
    color: var(--muted-foreground);
}
.center {
    text-align: center;
}
.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--primary);
    margin: 0 0 0.75rem;
}

/* =========================================================================
   Buttons
   ========================================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1;
    padding: 0.8rem 1.4rem;
    border-radius: calc(var(--radius) * 0.62);
    cursor: pointer;
    transition:
        transform 0.08s ease,
        box-shadow 0.15s ease,
        background 0.15s ease,
        opacity 0.15s ease;
    white-space: nowrap;
}
.btn:active {
    transform: translateY(1px);
}
.btn svg {
    width: 1.1em;
    height: 1.1em;
}

.btn-primary {
    background: var(--primary);
    color: var(--primary-foreground);
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
    box-shadow: var(--shadow-md);
    opacity: 0.94;
}

.btn-secondary {
    background: var(--secondary);
    color: var(--secondary-foreground);
}
.btn-secondary:hover {
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: transparent;
    color: var(--foreground);
    box-shadow: inset 0 0 0 1px var(--border);
}
.btn-outline:hover {
    background: var(--muted);
}

.btn-lg {
    padding: 1rem 1.7rem;
    font-size: 1.05rem;
}
.btn-block {
    width: 100%;
}
.btn-icon {
    padding: 0.55rem;
    border-radius: 999px;
    background: transparent;
    color: var(--foreground);
    box-shadow: inset 0 0 0 1px var(--border);
}
.btn-icon:hover {
    background: var(--muted);
}

/* =========================================================================
   Cards / badges
   ========================================================================= */
.card {
    background: var(--card);
    color: var(--card-foreground);
    border-radius: var(--radius);
    box-shadow:
        inset 0 0 0 1px var(--border),
        var(--shadow-sm);
    padding: 1.6rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    font-weight: 600;
    font-family: var(--font-mono);
    letter-spacing: 0.04em;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background: var(--secondary);
    color: var(--secondary-foreground);
}
.badge-primary {
    background: color-mix(in srgb, var(--primary) 22%, transparent);
    color: var(--accent);
}
.dark .badge-primary {
    color: var(--primary);
}
.badge-amber {
    background: color-mix(in srgb, #b8860b 20%, transparent);
    color: #8a6400;
}
.dark .badge-amber {
    color: #e8c060;
}

/* =========================================================================
   Header / nav
   ========================================================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--background) 82%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border);
}
.site-header .container {
    display: flex;
    align-items: center;
    gap: 1rem;
    height: 4.25rem;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.25rem;
}
.brand .logo-mark {
    width: 2rem;
    height: 2rem;
    color: var(--primary);
    flex: none;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-left: auto;
}
.nav-links a.navlink {
    padding: 0.5rem 0.85rem;
    border-radius: 0.7rem;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--muted-foreground);
}
.nav-links a.navlink:hover {
    color: var(--foreground);
    background: var(--muted);
}
.nav-links a.navlink.active {
    color: var(--foreground);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 0.4rem;
}

.nav-toggle {
    display: none;
}

@media (max-width: 760px) {
    .nav-links {
        position: fixed;
        inset: 4.25rem 0 auto 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0.15rem;
        background: var(--background);
        border-bottom: 1px solid var(--border);
        padding: 0.75rem 1.5rem 1.25rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        transition: transform 0.2s ease;
        margin-left: 0;
    }
    body.nav-open .nav-links {
        transform: translateY(0);
    }
    .nav-links a.navlink {
        padding: 0.75rem 0.85rem;
    }
    .header-actions {
        margin-left: auto;
    }
    .nav-toggle {
        display: inline-flex;
    }
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero {
    position: relative;
    overflow: hidden;
    padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5.5rem);
}
.hero::before {
    content: "";
    position: absolute;
    inset: -40% 0 auto 0;
    height: 70%;
    background: radial-gradient(
        60% 60% at 50% 0%,
        color-mix(in srgb, var(--primary) 24%, transparent),
        transparent 70%
    );
    pointer-events: none;
    z-index: -1;
}
.hero h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    max-width: 16ch;
    margin-inline: auto;
}
.hero .lede {
    font-size: clamp(1.05rem, 2.2vw, 1.3rem);
    color: var(--muted-foreground);
    max-width: 44ch;
    margin: 1rem auto 2rem;
}
.hero-cta {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-meta {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--muted-foreground);
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.hero-meta svg {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
}

/* =========================================================================
   Sections
   ========================================================================= */
section {
    padding: clamp(3rem, 7vw, 5rem) 0;
}
.section-head {
    max-width: 60ch;
    margin: 0 auto 2.5rem;
    text-align: center;
}
.section-head h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
}
.section-head p {
    color: var(--muted-foreground);
    font-size: 1.05rem;
}

.band {
    background: var(--sidebar);
    border-block: 1px solid var(--border);
}

/* audience band */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}
.audience-grid .card h3 {
    font-family: var(--font-sans);
    font-size: 1.05rem;
}
.audience-grid .pain {
    color: var(--destructive);
    font-weight: 600;
    font-size: 0.85rem;
}

/* feature grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}
.feature .icon-wrap {
    width: 3rem;
    height: 3rem;
    display: grid;
    place-items: center;
    border-radius: calc(var(--radius) * 0.55);
    background: color-mix(in srgb, var(--primary) 18%, transparent);
    color: var(--accent);
    margin-bottom: 1rem;
}
.dark .feature .icon-wrap {
    color: var(--primary);
}
.feature .icon-wrap svg {
    width: 1.5rem;
    height: 1.5rem;
}
.feature h3 {
    font-family: var(--font-sans);
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
}
.feature p {
    color: var(--muted-foreground);
    margin: 0;
    font-size: 0.95rem;
}

/* security spotlight */
.security-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2rem;
    align-items: center;
}
.security-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: grid;
    gap: 1rem;
}
.security-list li {
    display: flex;
    gap: 0.75rem;
}
.security-list svg {
    width: 1.4rem;
    height: 1.4rem;
    color: var(--primary);
    flex: none;
    margin-top: 0.1rem;
}
.security-list strong {
    display: block;
}
.security-list span {
    color: var(--muted-foreground);
    font-size: 0.92rem;
}
.tier-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.tier-table th,
.tier-table td {
    text-align: left;
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border);
}
.tier-table th {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted-foreground);
}
@media (max-width: 760px) {
    .security-grid {
        grid-template-columns: 1fr;
    }
}

/* final CTA */
.cta-band {
    text-align: center;
}
.cta-band .card {
    max-width: 640px;
    margin-inline: auto;
    padding: 3rem 2rem;
}

/* =========================================================================
   Download page
   ========================================================================= */
.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}
@media (max-width: 960px) {
    .download-grid {
        grid-template-columns: 1fr;
    }
}

.os-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.os-card .os-head {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}
.os-card .os-head svg {
    width: 2.25rem;
    height: 2.25rem;
}
.os-card .os-head h3 {
    font-family: var(--font-sans);
    margin: 0;
    font-size: 1.3rem;
}
.os-card[data-featured="true"] {
    box-shadow:
        inset 0 0 0 2px var(--primary),
        var(--shadow-md);
}
.featured-flag {
    position: absolute;
    top: 1.1rem;
    right: 1.1rem;
    display: none;
}
.os-card[data-featured="true"] .featured-flag {
    display: inline-flex;
}

.installer-row {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.installer-row .installer-meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
}
.installer-row .installer-meta .fmt {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--muted-foreground);
}
.installer-row p {
    font-size: 0.85rem;
    color: var(--muted-foreground);
    margin: 0 0 0.5rem;
}

.callout {
    display: flex;
    gap: 0.75rem;
    background: color-mix(in srgb, var(--primary) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
    border-radius: calc(var(--radius) * 0.6);
    padding: 1rem 1.1rem;
    font-size: 0.9rem;
}
.callout svg {
    width: 1.3rem;
    height: 1.3rem;
    color: var(--accent);
    flex: none;
    margin-top: 0.1rem;
}
.dark .callout svg {
    color: var(--primary);
}
.callout strong {
    display: block;
    margin-bottom: 0.15rem;
}

.other-downloads {
    margin-top: 2.5rem;
}

/* =========================================================================
   Guide / docs page
   ========================================================================= */
.docs-layout {
    display: grid;
    grid-template-columns: 230px 1fr;
    gap: 3rem;
    align-items: start;
}
.docs-toc {
    position: sticky;
    top: 5.5rem;
    align-self: start;
    font-size: 0.9rem;
}
.docs-toc nav {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}
.docs-toc .toc-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted-foreground);
    margin-bottom: 0.6rem;
}
.docs-toc a {
    padding: 0.4rem 0.7rem;
    border-radius: 0.55rem;
    color: var(--muted-foreground);
    border-left: 2px solid transparent;
}
.docs-toc a:hover {
    color: var(--foreground);
    background: var(--muted);
}
.docs-toc a.sub {
    padding-left: 1.4rem;
    font-size: 0.85rem;
}
.docs-toc a.active {
    color: var(--foreground);
    border-left-color: var(--primary);
}

.docs-content {
    min-width: 0;
    max-width: 720px;
}
.docs-content h2 {
    font-size: 1.9rem;
    padding-top: 1rem;
    margin-top: 2.5rem;
}
.docs-content h2:first-of-type {
    margin-top: 0;
}
.docs-content h3 {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    margin-top: 2rem;
}
.docs-content ol,
.docs-content ul {
    padding-left: 1.3rem;
}
.docs-content li {
    margin-bottom: 0.5rem;
}
.docs-content .lede {
    font-size: 1.1rem;
    color: var(--muted-foreground);
}

.steps {
    counter-reset: step;
    list-style: none;
    padding: 0;
}
.steps > li {
    position: relative;
    padding-left: 2.75rem;
    margin-bottom: 1.25rem;
}
.steps > li::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 0;
    top: -0.1rem;
    width: 1.9rem;
    height: 1.9rem;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: var(--primary);
    color: var(--primary-foreground);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
}

/* screenshot placeholders */
figure.shot {
    margin: 1.5rem 0;
}
figure.shot .placeholder {
    border: 2px dashed var(--border);
    border-radius: calc(var(--radius) * 0.7);
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 12px,
        color-mix(in srgb, var(--muted) 60%, transparent) 12px,
        color-mix(in srgb, var(--muted) 60%, transparent) 24px
    );
    min-height: 220px;
    display: grid;
    place-items: center;
    text-align: center;
    color: var(--muted-foreground);
    padding: 1.5rem;
}
figure.shot .placeholder .ph-inner {
    display: grid;
    gap: 0.4rem;
    justify-items: center;
}
figure.shot .placeholder svg {
    width: 1.6rem;
    height: 1.6rem;
    opacity: 0.7;
}
figure.shot .placeholder code {
    background: transparent;
    font-size: 0.78rem;
}
figure.shot figcaption {
    font-size: 0.85rem;
    color: var(--muted-foreground);
    margin-top: 0.6rem;
    text-align: center;
}
/* When a real screenshot is dropped in, it renders normally and the placeholder is hidden via the img:not([hidden]) sibling rule below. */
figure.shot img {
    width: 100%;
    max-width: min(100%, var(--shot-max, 100%));
    margin-inline: auto;
}
figure.shot img {
    border-radius: calc(var(--radius) * 0.7);
    box-shadow:
        inset 0 0 0 1px var(--border),
        var(--shadow-md);
}
figure.shot img + .placeholder {
    display: none;
}

.field-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    margin: 1rem 0 1.5rem;
}
.field-table th,
.field-table td {
    text-align: left;
    padding: 0.55rem 0.7rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.field-table th {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted-foreground);
}
.field-table td code {
    font-size: 0.8rem;
}

.note {
    display: flex;
    gap: 0.7rem;
    background: var(--muted);
    border-radius: calc(var(--radius) * 0.55);
    padding: 0.9rem 1.1rem;
    font-size: 0.9rem;
    margin: 1.25rem 0;
}
.note svg {
    width: 1.2rem;
    height: 1.2rem;
    color: var(--primary);
    flex: none;
    margin-top: 0.15rem;
}

@media (max-width: 860px) {
    .docs-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .docs-toc {
        position: static;
        top: auto;
        border-bottom: 1px solid var(--border);
        padding-bottom: 1rem;
    }
    .docs-toc nav {
        flex-flow: row wrap;
    }
}

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer {
    border-top: 1px solid var(--border);
    background: var(--sidebar);
    padding: 2.5rem 0;
    margin-top: 2rem;
    font-size: 0.9rem;
}
.site-footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}
.site-footer .foot-links {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}
.site-footer a {
    color: var(--muted-foreground);
}
.site-footer a:hover {
    color: var(--foreground);
}
.site-footer .powered {
    color: var(--muted-foreground);
}

/* =========================================================================
   Additions for the alignment tool site
   ========================================================================= */

/* hero screenshot */
.hero-shot {
    margin: 3rem auto 0;
    max-width: 980px;
}
.hero-shot img {
    width: 100%;
    height: auto;
    border-radius: calc(var(--radius) * 0.7);
    box-shadow:
        inset 0 0 0 1px var(--border),
        var(--shadow-xl);
}

/* numbered "how it works" strip on the home page */
.flow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    counter-reset: flow;
}
.flow-grid .card {
    position: relative;
    padding-top: 3.2rem;
}
.flow-grid .card::before {
    counter-increment: flow;
    content: counter(flow);
    position: absolute;
    top: 1.2rem;
    left: 1.6rem;
    width: 1.7rem;
    height: 1.7rem;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: var(--primary);
    color: var(--primary-foreground);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
}
.flow-grid h3 {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    margin-bottom: 0.3rem;
}
.flow-grid p {
    color: var(--muted-foreground);
    font-size: 0.92rem;
    margin: 0;
}

/* keyboard keys */
kbd {
    display: inline-block;
    min-width: 1.6em;
    text-align: center;
    box-shadow:
        inset 0 -1px 0 var(--border),
        inset 0 0 0 1px var(--border);
    white-space: nowrap;
}
.field-table td kbd {
    font-size: 0.78rem;
}

/* definition-style glossary */
.glossary {
    display: grid;
    gap: 0.75rem;
    margin: 1rem 0 1.5rem;
}
.glossary div {
    display: grid;
    grid-template-columns: 9rem 1fr;
    gap: 1rem;
    font-size: 0.92rem;
}
.glossary dt {
    font-weight: 600;
}
.glossary dd {
    margin: 0;
    color: var(--muted-foreground);
}
@media (max-width: 560px) {
    .glossary div {
        grid-template-columns: 1fr;
        gap: 0.1rem;
    }
}

/* tables scroll sideways rather than widening the page on phones */
.table-scroll {
    overflow-x: auto;
}

/* The product name is long; keep the header on one line on phones. */
.brand span {
    white-space: nowrap;
}
@media (max-width: 480px) {
    .brand {
        font-size: 1.05rem;
        gap: 0.45rem;
    }
    .brand .logo-mark {
        width: 1.6rem;
        height: 1.6rem;
    }
    .header-actions .btn-primary {
        display: none;
    }
}

/* utility */
.stack-sm > * + * {
    margin-top: 0.5rem;
}
[hidden] {
    display: none !important;
}