:root,
:root[data-theme="dark"],
:root[data-theme="auto"] {
    color-scheme: dark;

    --color-bg: #1a1b1e;
    --color-surface: #22242a;
    --color-surface-strong: #282a30;
    --color-surface-hover: #2e3038;
    --color-surface-muted: #161719;
    --color-border: #2e3038;
    --color-border-strong: #404450;
    --color-text: #f0f1f4;
    --color-text-secondary: #8a8f98;
    --color-text-tertiary: #62676f;
    --color-primary: #f0f1f4;
    --color-primary-text: #1a1b1e;
    --color-focus: rgba(240, 241, 244, 0.18);
    --color-code-bg: #0e1014;
    --color-code-border: #2e3038;
    --color-code-text: #eef0f4;

    --font-main: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 12px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.16);
    --shadow-md: 0 10px 26px rgba(0, 0, 0, 0.18);

    --transition-snap: 140ms ease;
    --site-width: min(100% - 2rem, 72rem);
}

:root[data-theme="light"] {
    color-scheme: light;

    --color-bg: #f3f4f6;
    --color-surface: #ffffff;
    --color-surface-strong: #fbfbfc;
    --color-surface-hover: #f3f4f6;
    --color-surface-muted: #eceef1;
    --color-border: #d7d9de;
    --color-border-strong: #c2c6cd;
    --color-text: #121418;
    --color-text-secondary: #5f6670;
    --color-text-tertiary: #7d848f;
    --color-primary: #121418;
    --color-primary-text: #ffffff;
    --color-focus: rgba(18, 20, 24, 0.12);
    --color-code-bg: #111318;
    --color-code-border: #252830;
    --color-code-text: #f4f5f8;

    --shadow-sm: 0 1px 2px rgba(15, 18, 24, 0.06);
    --shadow-md: 0 10px 26px rgba(15, 18, 24, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

h1,
h2,
h3,
p,
dl,
dd,
dt,
pre,
ul {
    margin: 0;
}

ul {
    padding: 0;
}

[hidden] {
    display: none !important;
}

[id] {
    scroll-margin-top: 6rem;
}

.shell {
    width: var(--site-width);
    margin: 0 auto;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -3rem;
    z-index: 100;
    padding: 0.7rem 0.95rem;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: var(--color-primary-text);
    transition: top var(--transition-snap);
}

.skip-link:focus {
    top: 1rem;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--color-border);
    background: rgba(34, 36, 42, 0.9);
    backdrop-filter: blur(18px);
}

:root[data-theme="light"] .site-header,
:root[data-theme="light"] .site-footer {
    background: rgba(255, 255, 255, 0.9);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 7px;
    border: 1px solid rgba(244, 245, 248, 0.72);
    background: var(--color-primary);
    color: var(--color-primary-text);
    font-weight: 800;
}

:root[data-theme="light"] .brand-mark {
    border-color: var(--color-border-strong);
}

.brand-copy {
    display: grid;
    gap: 0.05rem;
}

.brand-copy strong {
    line-height: 1.1;
    color: var(--color-text);
}

.brand-copy span {
    color: var(--color-text-tertiary);
    font-size: 0.78rem;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--color-text-secondary);
    font-size: 0.94rem;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.text-link:hover,
.text-link:focus-visible,
.link-card:hover h3,
.link-card:focus-visible h3 {
    color: var(--color-text);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.section {
    padding: 4.5rem 0;
}

.section-tinted {
    border-block: 1px solid var(--color-border);
    background: var(--color-surface-muted);
}

.hero-section {
    padding-top: 3.6rem;
}

.hero-grid,
.card-grid,
.quick-start-grid,
.footer-inner,
.hero-panels,
.hero-copy,
.section-stack,
.section-heading,
.feature-card,
.mini-card,
.step-card,
.link-card,
.hero-install,
.install-panels {
    display: grid;
    gap: 1rem;
}

.hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 1.5rem;
}

.hero-grid > *,
.card-grid > *,
.quick-start-grid > *,
.section-stack > *,
.footer-inner > *,
.hero-copy > *,
.hero-panels > *,
.surface-card > *,
.panel-header > * {
    min-width: 0;
}

.eyebrow,
.card-kicker {
    display: block;
    width: fit-content;
    color: var(--color-text-tertiary);
    font-size: 0.67rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.step-index,
.panel-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 1.5rem;
    padding: 0.12rem 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface-muted);
    color: var(--color-text-tertiary);
    font-size: 0.67rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-copy h1 {
    font-size: clamp(2.35rem, 4vw, 4.3rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
}

.hero-lede,
.section-heading p,
.surface-card p,
.site-footer p {
    color: var(--color-text-secondary);
}

.hero-lede {
    max-width: min(40rem, 100%);
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
}

.metric-card {
    gap: 0.3rem;
}

.metric-card dt {
    color: var(--color-text-tertiary);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.metric-card dd {
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 650;
}

.surface-card {
    padding: 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.feature-card,
.mini-card,
.step-card,
.metric-card,
.link-card {
    transition: border-color var(--transition-snap), background var(--transition-snap), box-shadow var(--transition-snap);
}

.feature-card:hover,
.feature-card:focus-within,
.mini-card:hover,
.mini-card:focus-within,
.step-card:hover,
.step-card:focus-within,
.link-card:hover,
.link-card:focus-visible {
    border-color: var(--color-border-strong);
    background: var(--color-surface-strong);
    box-shadow: var(--shadow-md);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.panel-title,
.section-heading h2,
.surface-card h3 {
    color: var(--color-text);
    line-height: 1.2;
}

.section-heading h2 {
    font-size: clamp(1.7rem, 2.4vw, 2.6rem);
    letter-spacing: -0.03em;
}

.narrow-heading {
    max-width: 44rem;
}

.terminal-window,
.code-card pre,
.hero-command-block {
    border: 1px solid var(--color-code-border);
    background: var(--color-code-bg);
    color: var(--color-code-text);
}

.terminal-window,
.code-card pre {
    overflow-x: auto;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
}

.terminal-card,
.preview-card {
    gap: 0.9rem;
}

.preview-card img {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface-muted);
}

.card-grid-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card-grid-three,
.quick-start-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid-four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.text-link {
    color: var(--color-text);
    font-weight: 650;
}

.hero-install {
    gap: 0.7rem;
    width: 100%;
    min-width: 0;
}

.install-tablist {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    padding: 0.25rem;
    width: fit-content;
    max-width: 100%;
    min-width: 0;
    border: 1px solid var(--color-border);
    border-radius: 9px;
    background: var(--color-surface);
}

.install-tab {
    padding: 0.58rem 0.9rem;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: var(--color-text-secondary);
    font-weight: 650;
    cursor: pointer;
    transition: background var(--transition-snap), color var(--transition-snap), box-shadow var(--transition-snap);
}

.install-tab:hover,
.install-tab:focus-visible {
    color: var(--color-text);
}

.install-tab[aria-selected="true"] {
    background: var(--color-surface-hover);
    color: var(--color-text);
    box-shadow: inset 0 0 0 1px var(--color-border);
}

.hero-command-block {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    min-width: 0;
    padding: 0.6rem 0.7rem 0.6rem 0.95rem;
    border-radius: var(--radius-md);
}

.hero-command {
    flex: 1;
    min-width: 0;
    width: 100%;
    overflow-x: auto;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.5;
    white-space: nowrap;
    color: var(--color-code-text);
}

.copy-btn {
    flex-shrink: 0;
    font-size: 0.78rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.45rem;
    padding: 0.65rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 650;
    cursor: pointer;
    transition: border-color var(--transition-snap), background var(--transition-snap), color var(--transition-snap), box-shadow var(--transition-snap);
}

.btn:hover,
.btn:focus-visible {
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-primary-text);
}

.btn-secondary {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    border-color: var(--color-border-strong);
    background: var(--color-surface-hover);
}

.icon-button {
    min-width: 2.5rem;
    padding-inline: 0.65rem;
}

.link-card {
    color: inherit;
}

.site-footer {
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 1rem 0 1.5rem;
    font-size: 0.85rem;
}

.btn:focus-visible,
.site-nav a:focus-visible,
.text-link:focus-visible,
.link-card:focus-visible,
.install-tab:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-focus);
}

@media (max-width: 1100px) {
    .hero-grid,
    .card-grid-four {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-copy {
        grid-column: 1 / -1;
    }

    .hero-panels {
        grid-column: 1 / -1;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    .header-inner,
    .footer-inner,
    .hero-metrics,
    .hero-panels,
    .card-grid-two,
    .card-grid-three,
    .quick-start-grid,
    .card-grid-four {
        grid-template-columns: 1fr;
    }

    .header-inner {
        align-items: start;
    }

    .site-nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
    }

    .footer-inner {
        gap: 0.35rem;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 3.5rem 0;
    }

    .hero-section {
        padding-top: 2.6rem;
    }

    .shell {
        width: min(100% - 1.25rem, 72rem);
    }

    .header-inner {
        padding: 0.75rem 0;
    }

    .header-actions,
    .hero-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .install-tablist {
        width: 100%;
    }

    .hero-command-block {
        flex-direction: column;
        align-items: stretch;
        padding-inline: 0.85rem;
    }

    .install-tab {
        flex: 1 1 0;
        justify-content: center;
    }

    .btn {
        width: 100%;
    }

    .hero-copy h1 {
        font-size: clamp(2rem, 11vw, 2.8rem);
    }

    .surface-card {
        padding: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}