/* CSS */
/* Settings (Tokens) */
:root {
    /* Color Palette - Light */
    --color-bg-base: #f8fafc;        /* slate-50 */
    --color-bg-surface: #ffffff;
    --color-bg-surface-alt: #f1f5f9; /* slate-100 */
    --color-bg-subtle: #e2e8f0;      /* slate-200 */
    --color-border: #e2e8f0;         /* slate-200 */

    --color-text-strong: #0f172a;    /* slate-900 */
    --color-text-base: #475569;      /* slate-600 */
    --color-text-muted: #64748b;     /* slate-500 */

    /* Brand Colors */
    --color-brand: #ff0000;
    --color-brand-hover: #cc0000;
    --color-brand-success: #10b981;
    --color-brand-warning: #f59e0b;

    /* Inverse (For buttons/controls) */
    --color-bg-inverse: #0f172a;
    --color-text-inverse: #ffffff;

    /* Typography */
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

    /* Fluid Type Scales */
    --text-h1: clamp(2.5rem, 5vw + 1rem, 4.5rem);
    --text-h2: clamp(2rem, 3.5vw + 1rem, 3.5rem);
    --text-h3: clamp(1.25rem, 1.5vw + 0.5rem, 1.75rem);
    --text-p: clamp(1.125rem, 1vw + 0.5rem, 1.25rem);

    /* Spacing */
    --size-1: 0.25rem;
    --size-2: 0.5rem;
    --size-3: 0.75rem;
    --size-4: 1rem;
    --size-5: 1.5rem;
    --size-6: 2rem;
    --size-8: 3rem;
    --size-10: 4rem;
    --size-12: 6rem;
    --size-16: 8rem;

    /* Radii */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-soft: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-float: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Dark Theme Overrides */
html.dark {
    --color-bg-base: #0f0f0f;
    --color-bg-surface: #1f1f1f;
    --color-bg-surface-alt: #1a1a1a;
    --color-bg-subtle: #2d2d2d;
    --color-border: #2d2d2d;

    --color-text-strong: #ffffff;
    --color-text-base: #aaaaaa;
    --color-text-muted: #aaaaaa;

    --color-bg-inverse: #ffffff;
    --color-text-inverse: #0f172a;

    --shadow-float: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.page {
    font-family: var(--font-sans);
    background-color: var(--color-bg-base);
    color: var(--color-text-base);
    transition: background-color 0.2s ease, color 0.2s ease;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-strong);
    line-height: 1.15;
    letter-spacing: -0.025em;
    font-weight: 700;
}

/* Composition (Layout Primitives) */

.layout-page {
    max-inline-size: 80rem; /* max-w-7xl */
    margin-inline: auto;
    padding-inline: clamp(1.5rem, 4vw, 3rem);
}

.layout-stack {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: var(--gap, var(--size-4));
}

.layout-cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--gap, var(--size-4));
}

/* Grid setup based on Every Layout patterns */
.layout-grid {
    display: grid;
    gap: var(--gap, var(--size-10));
    grid-template-columns: 1fr;
}

@media (min-width: 64rem) { /* lg */
    .layout-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: center;
    }
}

.layout-grid--thirds {
    --gap: var(--size-8);
}

@media (min-width: 48rem) { /* md */
    .layout-grid--thirds {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        align-items: start;
    }
}

/* Blocks */

/* Header */
.site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 50;
    background-color: color-mix(in srgb, var(--color-bg-base) 80%, transparent);
    backdrop-filter: blur(12px);
    border-block-end: 1px solid var(--color-border);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-block-size: 5rem;
}

.brand {
    text-decoration: none;
    color: var(--color-text-strong);
    --gap: var(--size-3);
}

.brand__mark {
    display: flex;
    align-items: center;
    justify-content: center;
    inline-size: 2rem;
    block-size: 2rem;
    color: var(--color-brand);
}

.brand__mark svg {
    inline-size: 100%;
    block-size: 100%;
    fill: currentColor;
}

.brand__name {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.site-header__actions {
    --gap: var(--size-6);
}

.site-header__link {
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--color-text-base);
    transition: color 0.2s ease;
}

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

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--size-2);
    border-radius: var(--radius-full);
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--color-bg-subtle);
    color: var(--color-text-strong);
}

.theme-toggle__icon {
    inline-size: 1.25rem;
    block-size: 1.25rem;
}

.theme-toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-brand);
}

/* Buttons */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-block-size: 2.5rem;
    padding-inline: var(--size-6);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-bg-base), 0 0 0 4px var(--color-brand);
}

.button--primary {
    background-color: var(--color-brand);
    color: #ffffff;
    min-block-size: 3rem;
    padding-inline: var(--size-8);
    font-size: 1rem;
}

.button--primary:hover {
    background-color: var(--color-brand-hover);
}

.button--outline {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-text-strong);
    min-block-size: 3rem;
    padding-inline: var(--size-8);
    font-size: 1rem;
}

.button--outline:hover {
    background-color: var(--color-bg-surface-alt);
}

.button--inverse {
    background-color: var(--color-bg-inverse);
    color: var(--color-text-inverse);
}

.button--inverse:hover {
    background-color: var(--color-text-muted);
}

/* Hero Section */
.hero {
    position: relative;
    padding-block-start: var(--size-12);
    padding-block-end: var(--size-16);
    overflow: hidden;
}

.hero__content {
    --gap: var(--size-6);
    z-index: 10;
}

.hero__title {
    font-size: var(--text-h1);
    font-weight: 800;
}

.hero__lead {
    font-size: var(--text-p);
    max-inline-size: 32rem;
    margin-block-end: var(--size-4);
}

.hero__ctas {
    inline-size: 100%;
}

.hero__ctas > * {
    flex: 1 1 auto;
    text-align: center;
}

@media (min-width: 40rem) {
    .hero__ctas > * {
        flex: 0 1 auto;
    }
}

.hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
    z-index: 10;
}

@media (min-width: 64rem) {
    .hero__visual {
        justify-content: flex-end;
    }
}

.hero__mockup-wrapper {
    position: relative;
    inline-size: 100%;
    max-inline-size: 25rem;
}

.mockup-frame {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-surface);
}

.mockup-frame__image {
    display: block;
    inline-size: 100%;
    block-size: auto;
    object-fit: cover;
    object-position: top;
}

.shadow-float {
    box-shadow: var(--shadow-float);
}

.hero__blob {
    position: absolute;
    inset-block-start: -3rem;
    inset-inline-end: -3rem;
    inline-size: 18rem;
    block-size: 18rem;
    background-color: var(--color-brand);
    border-radius: var(--radius-full);
    filter: blur(60px);
    opacity: 0.1;
    z-index: -1;
    pointer-events: none;
}

html.dark .hero__blob {
    opacity: 0.05;
}

/* Features Section */
.section-features {
    padding-block: var(--size-12);
    background-color: var(--color-bg-surface);
    border-block-start: 1px solid var(--color-border);
    border-block-end: 1px solid var(--color-border);
}

.section-features__inner {
    --gap: var(--size-16);
}

.feature-split__title {
    font-size: var(--text-h2);
    margin-block-end: var(--size-2);
}

.feature-split__text {
    font-size: var(--text-p);
}

@media (min-width: 64rem) {
    .feature-split__content--reverse-desktop {
        order: -1;
    }
}

.feature-split__visual {
    display: flex;
    justify-content: center;
}

.feature-split__visual--boxed {
    background-color: var(--color-bg-base);
    border-radius: var(--radius-xl);
    padding: clamp(1rem, 4vw, 2rem);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    inline-size: 100%;
}

/* Code Window Mockup */
.code-window {
    inline-size: 100%;
    max-inline-size: 24rem;
    background-color: var(--color-bg-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    overflow: hidden;
}

.code-window__header {
    padding-inline: var(--size-4);
    padding-block: var(--size-2);
    background-color: var(--color-bg-surface-alt);
    border-block-end: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

.code-window__body {
    padding: var(--size-6);
    color: var(--color-text-strong);
    line-height: 1.6;
}

.inline-timestamp {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--color-brand);
    background-color: color-mix(in srgb, var(--color-brand) 10%, transparent);
    padding-inline: 0.375rem;
    padding-block: 0.125rem;
    border-radius: 0.25rem;
    border: none;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    margin-inline-end: 0.25rem;
}

.inline-timestamp:hover {
    text-decoration: underline;
}

.inline-timestamp svg {
    inline-size: 0.75rem;
    block-size: 0.75rem;
}

/* Split Pane Mockup */
.split-pane {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background-color: var(--color-border);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    inline-size: 100%;
}

.split-pane__raw {
    background-color: var(--color-bg-surface);
    padding: clamp(1rem, 3vw, 1.5rem);
    font-family: var(--font-mono);
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    color: var(--color-text-base);
}

.split-pane__rendered {
    background-color: var(--color-bg-surface);
    padding: clamp(1rem, 3vw, 1.5rem);
    font-family: var(--font-sans);
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    color: var(--color-text-strong);
}

.rich-text h3 {
    font-size: 1rem;
    margin-block-end: var(--size-2);
}

.rich-text ul {
    padding-inline-start: var(--size-4);
}

.rich-text li::marker {
    color: var(--color-brand);
}

/* Benefits Section */
.section-benefits {
    padding-block: var(--size-12);
    background-color: var(--color-bg-base);
}

.benefit-card {
    --gap: var(--size-3);
}

.benefit-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    inline-size: 3rem;
    block-size: 3rem;
    border-radius: var(--radius-md);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    color: var(--color-brand);
    margin-block-end: var(--size-3);
}

.benefit-card__icon svg {
    inline-size: 1.5rem;
    block-size: 1.5rem;
}

.benefit-card__title {
    font-size: var(--text-h3);
}

.benefit-card__text {
    line-height: 1.6;
}

/* Footer */
.site-footer {
    border-block-start: 1px solid var(--color-border);
    background-color: var(--color-bg-surface);
    padding-block: var(--size-8);
    transition: background-color 0.2s ease;
}

.site-footer__inner {
    justify-content: space-between;
    --gap: var(--size-4);
}

.site-footer__copyright {
    --gap: var(--size-2);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.site-footer__logo {
    inline-size: 1.25rem;
    block-size: 1.25rem;
}

.site-footer__links {
    --gap: var(--size-6);
    font-size: 0.875rem;
    font-weight: 500;
}

.site-footer__link {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Utilities (Exceptions) */
.u-text-warning {
    color: var(--color-brand-warning);
}

.u-code-inline {
    background-color: var(--color-border);
    padding-inline: 0.25rem;
    padding-block: 0.125rem;
    border-radius: 0.25rem;
    font-size: 0.875em;
    color: var(--color-text-strong);
}

.u-hidden {
    display: none !important;
}

@media (max-width: 40rem) { /* sm down */
    .u-hidden-mobile {
        display: none !important;
    }
}

/* Docs Page */
.docs-hero {
    padding-block: var(--size-12);
    border-block-end: 1px solid var(--color-border);
}

.docs-hero__title {
    font-size: var(--text-h1);
    font-weight: 800;
}

.docs-hero__lead {
    font-size: var(--text-p);
    max-inline-size: 40rem;
}

.docs-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--size-10);
    padding-block: var(--size-10);
}

@media (min-width: 64rem) {
    .docs-layout {
        grid-template-columns: 14rem 1fr;
    }
}

.docs-sidebar {
    position: sticky;
    inset-block-start: 6rem;
    align-self: start;
}

.docs-nav {
    --gap: var(--size-1);
}

.docs-nav__link {
    display: block;
    padding: var(--size-2) var(--size-3);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.docs-nav__link:hover {
    color: var(--color-text-strong);
    background-color: var(--color-bg-surface-alt);
}

.docs-content {
    --gap: var(--size-10);
    min-inline-size: 0;
}

.docs-section {
    --gap: var(--size-5);
    scroll-margin-block-start: 6rem;
}

.docs-section__title {
    font-size: var(--text-h2);
    padding-block-end: var(--size-2);
    border-block-end: 1px solid var(--color-border);
}

.docs-subsection__title {
    font-size: var(--text-h3);
    margin-block-start: var(--size-4);
}

.docs-list {
    padding-inline-start: var(--size-5);
    line-height: 1.8;
}

.docs-list li {
    margin-block-end: var(--size-2);
}

.docs-list li::marker {
    color: var(--color-brand);
}

.docs-list--ordered {
    list-style-type: decimal;
}

.docs-list--check {
    list-style: none;
    padding-inline-start: 0;
}

.docs-list--check li {
    position: relative;
    padding-inline-start: var(--size-6);
}

.docs-list--check li::before {
    content: "✓";
    position: absolute;
    inset-inline-start: 0;
    color: var(--color-brand-success);
    font-weight: 700;
}

.docs-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.docs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.docs-table th,
.docs-table td {
    padding: var(--size-3) var(--size-4);
    text-align: start;
    border-block-end: 1px solid var(--color-border);
}

.docs-table th {
    background-color: var(--color-bg-surface-alt);
    font-weight: 600;
    color: var(--color-text-strong);
}

.docs-table td {
    color: var(--color-text-base);
}

.docs-table tr:last-child td {
    border-block-end: none;
}

.docs-callout {
    padding: var(--size-4) var(--size-5);
    background-color: color-mix(in srgb, var(--color-brand-warning) 10%, transparent);
    border-inline-start: 3px solid var(--color-brand-warning);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Code window overrides for docs (allow full width) */
.docs-content .code-window {
    max-inline-size: 100%;
}

.docs-content .code-window__body pre {
    margin: 0;
    white-space: pre;
    overflow-x: auto;
}

.docs-content .code-window__body code {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.6;
}