:root {
    color-scheme: light;
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-synthesis: none;
    line-height: 1.6;
    text-rendering: optimizeLegibility;

    --color-background: #f7f5f1;
    --color-text: #20201d;
    --color-text-muted: #68645d;
    --color-border: #ddd8cf;
    --color-accent: #315f87;
    --color-accent-hover: #244b6d;
    --color-code-background: #eeeae3;
    --color-focus: #315f87;

    --site-width: 70rem;
    --content-width: 46rem;
    --reading-width: 42rem;
    --page-gutter: clamp(1.25rem, 4vw, 2rem);
}

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

    --color-background: #1c1d1d;
    --color-text: #eeeae2;
    --color-text-muted: #b9b4aa;
    --color-border: #3a3a37;
    --color-accent: #8bb8df;
    --color-accent-hover: #b0d0eb;
    --color-code-background: #292a2a;
    --color-focus: #8bb8df;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        color-scheme: dark;

        --color-background: #1c1d1d;
        --color-text: #eeeae2;
        --color-text-muted: #b9b4aa;
        --color-border: #3a3a37;
        --color-accent: #8bb8df;
        --color-accent-hover: #b0d0eb;
        --color-code-background: #292a2a;
        --color-focus: #8bb8df;
    }
}

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

html {
    background: var(--color-background);
}

body {
    margin: 0;
    min-width: 20rem;
    background: var(--color-background);
    color: var(--color-text);
    font-size: 1rem;
}

::selection {
    background: color-mix(in srgb, var(--color-accent) 24%, transparent);
}

a {
    color: var(--color-accent);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.18em;
}

a:hover {
    color: var(--color-accent-hover);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 0.18rem solid var(--color-focus);
    outline-offset: 0.2rem;
}

h1,
h2,
h3 {
    margin-block: 0;
    color: var(--color-text);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 5vw, 2.75rem);
}

h2 {
    margin-top: 3.5rem;
    font-size: clamp(1.5rem, 3vw, 1.9rem);
}

h3 {
    margin-top: 2.5rem;
    font-size: 1.2rem;
}

p,
ul,
ol,
blockquote,
pre,
table {
    margin-block: 1.25rem 0;
}

p,
li {
    max-width: var(--reading-width);
}

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

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

hr {
    margin-block: 3rem;
    border: 0;
    border-top: 1px solid var(--color-border);
}

code,
kbd,
samp {
    font-family: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.9em;
}

code {
    padding: 0.12rem 0.3rem;
    border-radius: 0.2rem;
    background: var(--color-code-background);
}

pre {
    max-width: 100%;
    overflow-x: auto;
    padding: 1rem 1.1rem;
    border: 1px solid var(--color-border);
    border-radius: 0.35rem;
    background: var(--color-code-background);
    color: var(--color-text);
    line-height: 1.55;
    tab-size: 4;
}

pre code {
    padding: 0;
    background: transparent;
    font-size: 0.9rem;
}

blockquote {
    max-width: var(--reading-width);
    margin-inline: 0;
    padding-left: 1rem;
    border-left: 0.18rem solid var(--color-border);
    color: var(--color-text-muted);
}

blockquote > :first-child {
    margin-top: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

th,
td {
    padding: 0.75rem 0.8rem;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    vertical-align: top;
}

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

td {
    color: var(--color-text-muted);
}

.site-shell {
    width: min(calc(100% - (2 * var(--page-gutter))), var(--site-width));
    margin-inline: auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: 5rem;
    border-bottom: 1px solid var(--color-border);
}

.site-identity {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.site-preferences {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    min-height: 1.9rem;
    color: var(--color-text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    transform: translateY(1px);
}

.language-switcher a,
.language-switcher .active {
    display: inline-flex;
    align-items: center;
    min-height: 1.9rem;
    color: var(--color-text-muted);
    text-decoration: none;
}

.language-switcher a:hover {
    color: var(--color-text);
}

.language-switcher .active {
    color: var(--color-text);
}

.language-separator {
    color: var(--color-text-muted);
    opacity: 0.65;
}

.site-name {
    color: var(--color-text);
    font-weight: 700;
    letter-spacing: -0.01em;
    text-decoration: none;
}

.site-name:hover {
    color: var(--color-accent);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.35rem;
}

.site-nav a {
    position: relative;
    padding-block: 0.35rem;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    font-weight: 550;
    text-decoration: none;
}

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

.site-nav a.active {
    color: var(--color-text);
}

.site-nav a.active::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 0.12rem;
    background: var(--color-accent);
    content: "";
}

.theme-toggle {
    display: inline-grid;
    width: 1.9rem;
    height: 1.9rem;
    place-items: center;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 50%;
    background: transparent;
    color: var(--color-text-muted);
    font: inherit;
    cursor: pointer;
    transform: translateY(1px);
}

.theme-toggle:hover {
    border-color: var(--color-border);
    background: var(--color-code-background);
    color: var(--color-text);
}

.theme-toggle span,
.theme-toggle svg {
    width: 1rem;
    height: 1rem;
}

.theme-toggle span {
    display: grid;
    place-items: center;
}

.theme-toggle svg {
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
}

.theme-toggle-when-dark {
    display: none !important;
}

:root[data-theme="dark"] .theme-toggle-when-light {
    display: none;
}

:root[data-theme="dark"] .theme-toggle-when-dark {
    display: grid !important;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) .theme-toggle-when-light {
        display: none;
    }

    :root:not([data-theme]) .theme-toggle-when-dark {
        display: grid !important;
    }
}

.site-content {
    width: min(100%, var(--content-width));
    padding-block: clamp(3.5rem, 8vw, 6.5rem) 5rem;
}

.site-content > :first-child {
    margin-top: 0;
}

/* FocusOnNavigate moves programmatic focus to the page heading for screen readers.
   Keep that behavior without drawing an interaction-style outline around non-interactive headings. */
.site-content h1:focus {
    outline: none;
}

.site-content h1 + p {
    margin-top: 1rem;
    font-size: 1.05rem;
}

@media (max-width: 40rem) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.65rem;
        padding-block: 1.2rem;
    }

    .site-identity {
        width: 100%;
    }

    .site-nav {
        flex-wrap: wrap;
        gap: 0.4rem 1rem;
    }

    .site-content {
        padding-block: 3rem 4rem;
    }

    table {
        display: block;
        overflow-x: auto;
    }
}

@media (forced-colors: active) {
    .site-header,
    pre,
    th,
    td {
        border-color: CanvasText;
    }

    .site-nav a.active::after {
        background: Highlight;
    }
}

.home-page {
    max-width: var(--content-width);
}

.home-intro {
    max-width: var(--reading-width);
}

.home-positioning {
    margin-top: 0.75rem;
    font-size: 1.05rem;
}

.home-summary {
    margin-top: 1.75rem;
    color: var(--color-text);
    font-size: 1.08rem;
    line-height: 1.75;
}

.home-section {
    margin-top: 4.5rem;
}

.home-section h2,
.home-section h3 {
    margin-top: 0;
}

.home-section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 0.75rem;
}

.home-section-heading a {
    flex: 0 0 auto;
    font-size: 0.95rem;
}

.home-projects-list {
    border-top: 1px solid var(--color-border);
}

.home-projects-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.5rem;
    padding-block: 1.4rem;
    border-bottom: 1px solid var(--color-border);
}

.home-projects-item h3 {
    font-size: 1.08rem;
    letter-spacing: -0.01em;
}

.home-projects-item p {
    margin-top: 0.45rem;
    font-size: 0.95rem;
}

.home-projects-status {
    align-self: start;
    color: var(--color-text-muted);
    font-size: 0.82rem;
    font-weight: 650;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.home-elsewhere p {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 1rem;
}

@media (max-width: 36rem) {
    .home-section {
        margin-top: 3.5rem;
    }

    .home-section-heading {
        align-items: flex-start;
    }

    .home-projects-item {
        grid-template-columns: 1fr;
        gap: 0.6rem;
    }
}

.projects-page {
    max-width: var(--content-width);
}

.projects-intro {
    max-width: var(--reading-width);
}

.projects-list {
    margin-top: 4rem;
    border-top: 1px solid var(--color-border);
}

.projects-item {
    padding-block: 2rem 2.2rem;
    border-bottom: 1px solid var(--color-border);
}

.projects-item-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.5rem;
    align-items: baseline;
}

.projects-item h2 {
    margin-top: 0;
    font-size: clamp(1.35rem, 3vw, 1.65rem);
}

.projects-status {
    color: var(--color-text-muted);
    font-size: 0.82rem;
    font-weight: 650;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.projects-purpose {
    margin-top: 0.7rem;
    color: var(--color-text);
    font-size: 1rem;
}

.projects-story {
    margin-top: 1.35rem;
    line-height: 1.75;
}

.projects-links {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 1.35rem;
    font-size: 0.95rem;
}

@media (max-width: 36rem) {
    .projects-list {
        margin-top: 3.25rem;
    }

    .projects-item-heading {
        grid-template-columns: 1fr;
        gap: 0.45rem;
    }
}

.about-page {
    max-width: var(--reading-width);
}

.about-intro {
    max-width: var(--reading-width);
}

.about-body {
    margin-top: 3rem;
}

.about-body p {
    color: var(--color-text);
    font-size: 1.05rem;
    line-height: 1.75;
}

.about-body p + p {
    margin-top: 1.5rem;
}

.writing-page,
.article-page {
    max-width: var(--reading-width);
}

.writing-list {
    margin-top: 3.5rem;
    border-top: 1px solid var(--color-border);
}

.writing-item {
    padding-block: 1.8rem 2rem;
    border-bottom: 1px solid var(--color-border);
}

.writing-item h2 {
    margin-top: 0.35rem;
    font-size: clamp(1.3rem, 3vw, 1.6rem);
}

.writing-item h2 a {
    color: var(--color-text);
    text-decoration: none;
}

.writing-item h2 a:hover,
.writing-item h2 a:focus-visible {
    color: var(--color-accent);
    text-decoration: underline;
}

.writing-date,
.article-date,
.article-updated {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.writing-empty {
    margin-top: 3rem;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 0.8rem;
    margin: 1.2rem 0 0;
    padding: 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    list-style: none;
}

.writing-read-link {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.article-header {
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.article-header h1 {
    margin-top: 0.6rem;
}

.article-summary {
    margin-top: 1rem;
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

.article-updated {
    margin-top: 0.8rem;
}

.article-content {
    margin-top: 2.5rem;
}

.article-content h2 {
    margin-top: 2.6rem;
}

.article-content h3 {
    margin-top: 2rem;
}

.article-content p,
.article-content li {
    line-height: 1.75;
}

.article-content ul,
.article-content ol {
    padding-left: 1.4rem;
}

.article-content pre {
    overflow-x: auto;
    margin-top: 1.4rem;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 0.35rem;
    background: var(--color-code-background);
    font-size: 0.9rem;
    line-height: 1.55;
}

.article-content code {
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

.article-content table {
    display: block;
    overflow-x: auto;
    width: max-content;
    max-width: 100%;
    margin-top: 1.4rem;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.article-content th,
.article-content td {
    padding: 0.55rem 0.8rem;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    vertical-align: top;
}

.article-content th {
    color: var(--color-text);
    font-weight: 650;
}


.article-footer{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border-color);}
.article-back-link{font-size:.95rem;font-weight:500;text-decoration:none;}
.article-back-link:hover{text-decoration:underline;}

.direction-page {
    max-width: var(--content-width);
}

.direction-access-page {
    max-width: 28rem;
}

.direction-access-form {
    display: grid;
    gap: 0.75rem;
    margin-top: 2rem;
}

.direction-access-form label {
    color: var(--color-text);
    font-weight: 650;
}

.direction-access-form input {
    width: 100%;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 0.35rem;
    background: var(--color-background);
    color: var(--color-text);
    font: inherit;
}

.direction-access-form button {
    justify-self: start;
    margin-top: 0.25rem;
    padding: 0.65rem 1rem;
    border: 1px solid var(--color-accent);
    border-radius: 0.35rem;
    background: var(--color-accent);
    color: var(--color-background);
    font: inherit;
    font-weight: 650;
    cursor: pointer;
}

.direction-access-form button:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

.direction-access-error {
    color: var(--color-text);
    font-weight: 650;
}