/* Root Access: editorial Ghost theme with a terminal accent. Self-hosted fonts, no third-party requests. */

@font-face { font-family: "Space Grotesk"; src: url("../fonts/space-grotesk-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url("../fonts/space-grotesk-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/jetbrains-mono-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }

/* ------------------------------------------------------------------ tokens */
:root {
    --font-head: var(--gh-font-heading, "Space Grotesk", system-ui, sans-serif);
    --font-body: var(--gh-font-body, "Source Serif 4", Georgia, serif);
    --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

    /* dark (default) */
    --bg: #0d0f12;
    --bg-raise: #151920;
    --bg-sunk: #090a0d;
    --ink: #e8e4dc;
    --ink-soft: #b3ada3;
    --ink-faint: #7d786f;
    --line: #262b33;
    --phos: #ffb000;          /* amber phosphor */
    --phos-soft: rgba(255, 176, 0, .14);
    --phos-ink: #1a1200;      /* text on a phosphor button */
    --glow: 0 0 18px rgba(255, 176, 0, .35);
}
.phosphor-green { --phos: #4ef08a; --phos-soft: rgba(78, 240, 138, .13); --phos-ink: #02180a; --glow: 0 0 18px rgba(78, 240, 138, .33); }
.phosphor-ice   { --phos: #7fd4ff; --phos-soft: rgba(127, 212, 255, .13); --phos-ink: #021522; --glow: 0 0 18px rgba(127, 212, 255, .33); }

/* light: follows the device unless the site forces dark */
@media (prefers-color-scheme: light) {
    :root:not(.scheme-dark) {
        --bg: #f7f4ee; --bg-raise: #ffffff; --bg-sunk: #ece7dd;
        --ink: #1b1a17; --ink-soft: #4a4740; --ink-faint: #77736a; --line: #ddd6c9;
        --phos: #a35c00; --phos-soft: rgba(163, 92, 0, .10); --phos-ink: #ffffff; --glow: none;
    }
    :root.phosphor-green:not(.scheme-dark) { --phos: #13703a; --phos-soft: rgba(19, 112, 58, .10); }
    :root.phosphor-ice:not(.scheme-dark)   { --phos: #0a5f93; --phos-soft: rgba(10, 95, 147, .10); }
}
:root.scheme-light {
    --bg: #f7f4ee; --bg-raise: #ffffff; --bg-sunk: #ece7dd;
    --ink: #1b1a17; --ink-soft: #4a4740; --ink-faint: #77736a; --line: #ddd6c9;
    --phos: #a35c00; --phos-soft: rgba(163, 92, 0, .10); --phos-ink: #ffffff; --glow: none;
}
:root.scheme-light.phosphor-green { --phos: #13703a; --phos-soft: rgba(19, 112, 58, .10); }
:root.scheme-light.phosphor-ice   { --phos: #0a5f93; --phos-soft: rgba(10, 95, 147, .10); }

/* ------------------------------------------------------------------ base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0; background: var(--bg); color: var(--ink);
    font: 400 1.125rem/1.7 var(--font-body);
    -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: var(--phos); text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; height: auto; display: block; }
::selection { background: var(--phos); color: var(--phos-ink); }
:focus-visible { outline: 2px solid var(--phos); outline-offset: 3px; border-radius: 3px; }

.wrap        { width: min(1120px, 100% - 32px); margin-inline: auto; }
.wrap-narrow { width: min(720px, 100% - 32px); margin-inline: auto; }
.wrap-wide   { width: min(1100px, 100%); margin-inline: auto; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--phos); color: var(--phos-ink); padding: 8px 12px; z-index: 99; }
.skip-link:focus { left: 8px; }

.meta, .prompt, .tag, .tag-pill, .list-cmd, .hero-cmd, .article-cmd, .button, .nav-search, .pager { font-family: var(--font-mono); }
.meta { font-size: .8rem; color: var(--ink-faint); letter-spacing: .01em; }
.prompt { color: var(--phos); }

/* ------------------------------------------------------------------ header */
.site-head { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 10;
             backdrop-filter: saturate(140%) blur(8px); }
.site-head-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; padding-block: 8px; }
.masthead { display: inline-flex; align-items: baseline; gap: .55em; color: var(--ink); text-decoration: none; white-space: nowrap; }
.masthead-logo { height: 28px; width: auto; align-self: center; }
.masthead .prompt { font-size: .9rem; }
.masthead-title { font: 700 1.2rem/1 var(--font-head); letter-spacing: -.01em; }
.cursor { display: inline-block; width: .55em; height: 1.05em; background: var(--phos); box-shadow: var(--glow);
          transform: translateY(.15em); animation: blink 1.1s steps(1) infinite; margin-left: -.2em; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }

.site-nav { display: flex; align-items: center; gap: 6px 18px; flex-wrap: wrap; font: 500 .95rem var(--font-head); }
.site-nav .nav { display: flex; gap: 18px; list-style: none; margin: 0; padding: 0; }
.site-nav .nav a { color: var(--ink-soft); text-decoration: none; }
.site-nav .nav a:hover, .site-nav .nav-current a { color: var(--ink); }
.site-nav .nav-current a { box-shadow: inset 0 -2px 0 var(--phos); }
.nav-search { background: none; border: 1px solid var(--line); color: var(--ink-soft); border-radius: 6px; padding: 4px 10px; font-size: .8rem; cursor: pointer; }
.nav-search::before { content: "/"; color: var(--phos); margin-right: 6px; }
.nav-search:hover { color: var(--ink); border-color: var(--ink-faint); }

.button { display: inline-block; background: var(--phos); color: var(--phos-ink); border: 1px solid var(--phos); border-radius: 6px;
          padding: 6px 14px; font-size: .82rem; font-weight: 700; text-decoration: none; cursor: pointer; }
.button:hover { box-shadow: var(--glow); text-decoration: none; }
.button-ghost { background: transparent; color: var(--ink-soft); border-color: var(--line); font-weight: 400; }
.button-ghost:hover { color: var(--ink); border-color: var(--ink-faint); box-shadow: none; }

/* ------------------------------------------------------------------ hero + lists */
.hero { padding: clamp(40px, 8vw, 96px) 0 clamp(24px, 4vw, 48px); border-bottom: 1px dashed var(--line); margin-bottom: 28px; }
.hero-small { padding-top: clamp(32px, 6vw, 64px); }
.hero-cmd { font-size: .9rem; color: var(--ink-faint); margin: 0 0 10px; }
.hero-title { font: 700 clamp(2.4rem, 7vw, 4.6rem)/1.02 var(--font-head); letter-spacing: -.03em; margin: 0; }
.hero-desc { font-size: clamp(1.1rem, 2.2vw, 1.35rem); color: var(--ink-soft); max-width: 68ch; margin: 14px 0 0; }
.list-cmd { margin: 0 0 14px; }
.empty { color: var(--ink-faint); font-style: italic; }

.feed { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 22px; }
.card { background: var(--bg-raise); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--phos); transform: translateY(-2px); }
.card-link { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.card-image { margin: 0; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-sunk); }
.card-image img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.card-body .meta { margin: 0; }
.card-title { font: 700 1.3rem/1.2 var(--font-head); letter-spacing: -.01em; margin: 8px 0 8px; }
.card-excerpt { color: var(--ink-soft); font-size: 1rem; line-height: 1.55; margin: 0 0 14px; }
.card-more { margin-top: auto !important; }
.card:hover .arrow { color: var(--phos); }
.card.featured .card-title::before { content: "\2605 "; color: var(--phos); }
.tag { color: var(--phos); text-decoration: none; }

.pager { display: flex; justify-content: space-between; align-items: center; margin: 40px 0; font-size: .9rem; }
.pager a { text-decoration: none; border: 1px solid var(--line); border-radius: 6px; padding: 6px 12px; }
.pager a:hover { border-color: var(--phos); }

.subscribe { margin: 56px 0 24px; padding: 26px 24px; background: var(--bg-sunk); border: 1px solid var(--line); border-left: 3px solid var(--phos); border-radius: 10px; }
.subscribe-cmd { font-family: var(--font-mono); margin: 0 0 6px; font-size: .95rem; }
.subscribe-text { margin: 0 0 14px; color: var(--ink-soft); font-size: 1rem; }

/* ------------------------------------------------------------------ article */
.article-head { padding: clamp(32px, 6vw, 72px) 0 18px; }
.article-cmd { margin: 0 0 18px; }
.tag-pill { display: inline-block; font-size: .78rem; text-decoration: none; background: var(--phos-soft); border-radius: 999px; padding: 3px 10px; margin-bottom: 14px; }
.article-title { font: 700 clamp(2rem, 5.5vw, 3.4rem)/1.08 var(--font-head); letter-spacing: -.025em; margin: 0 0 14px; }
.article-excerpt { font-size: 1.3rem; line-height: 1.5; color: var(--ink-soft); margin: 0 0 18px; }
.article-meta { margin: 0; }
.article-meta a { color: var(--ink-soft); }
.article-image { margin: 18px auto 8px; }
.article-image img { width: 100%; border-radius: 10px; }
.article-image figcaption, .gh-content figcaption { font: .8rem/1.5 var(--font-mono); color: var(--ink-faint); text-align: center; margin-top: 8px; }
.article-body { padding: 18px 0 8px; }
.article-foot { padding: 20px 0 40px; border-top: 1px dashed var(--line); margin-top: 28px; }
.author-box { display: flex; gap: 14px; align-items: center; margin: 22px 0; }
.author-img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; }
.author-img-lg { width: 96px; height: 96px; margin: 8px 0 14px; }
.author-name { font: 700 1.05rem var(--font-head); margin: 0; }
.author-name a { color: var(--ink); text-decoration: none; }
.author-bio { margin: 2px 0 0; font-size: .95rem; color: var(--ink-soft); }
.more { padding: 24px 0 8px; }

/* content */
.gh-content > * + * { margin-top: 1.1em; }
.gh-content > :first-child { margin-top: 0; }
.gh-content h2, .gh-content h3, .gh-content h4 { font-family: var(--font-head); letter-spacing: -.015em; line-height: 1.2; margin-top: 1.9em; }
.gh-content h2 { font-size: 1.75rem; }
.gh-content h3 { font-size: 1.35rem; }
.gh-content h2::before { content: "## "; color: var(--phos); font-family: var(--font-mono); font-size: .7em; vertical-align: .12em; opacity: .8; }
.gh-content p, .gh-content li { hyphens: auto; }
.gh-content ul, .gh-content ol { padding-left: 1.3em; }
.gh-content li + li { margin-top: .35em; }
.gh-content ul li::marker { color: var(--phos); content: "> "; font-family: var(--font-mono); }
.gh-content blockquote { margin-left: 0; padding: 2px 0 2px 20px; border-left: 3px solid var(--phos); color: var(--ink-soft); font-style: italic; }
.gh-content hr { border: 0; text-align: center; margin: 2.4em 0; }
.gh-content hr::after { content: "# --"; font-family: var(--font-mono); color: var(--ink-faint); }
.gh-content code { font: .85em var(--font-mono); background: var(--bg-sunk); border: 1px solid var(--line); border-radius: 4px; padding: .1em .35em; }
.gh-content pre { font: .85rem/1.6 var(--font-mono); background: var(--bg-sunk); border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; overflow-x: auto; }
.gh-content pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.gh-content table { width: 100%; border-collapse: collapse; font-size: .95rem; display: block; overflow-x: auto; }
.gh-content th, .gh-content td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.gh-content th { font: 700 .8rem var(--font-mono); color: var(--ink-faint); text-transform: uppercase; letter-spacing: .04em; }
.gh-content img { border-radius: 8px; }
.gh-content a { overflow-wrap: anywhere; }

/* Koenig card widths (required by Ghost) */
.kg-width-wide { position: relative; width: min(1040px, 100vw - 32px); left: 50%; transform: translateX(-50%); }
.kg-width-full { position: relative; width: 100vw; left: 50%; transform: translateX(-50%); }
.kg-width-full img { border-radius: 0; }
.kg-image-card img { margin-inline: auto; }

/* ------------------------------------------------------------------ footer */
.site-foot { border-top: 1px solid var(--line); margin-top: 64px; padding: 28px 0 40px; background: var(--bg-sunk); }
.site-foot-inner { display: grid; gap: 6px; font-size: .9rem; color: var(--ink-faint); }
.site-foot p { margin: 0; }
.foot-exit { font-family: var(--font-mono); color: var(--ink-soft); }
.site-foot .nav { display: flex; gap: 16px; list-style: none; padding: 0; margin: 4px 0; flex-wrap: wrap; }
.site-foot .nav a, .foot-ghost a { color: var(--ink-soft); }

/* ------------------------------------------------------------------ error page */
.error-page { min-height: 100vh; display: grid; place-items: center; }
.error-wrap { padding: 48px 0; }
.error-cmd { font-family: var(--font-mono); color: var(--ink-faint); margin: 0 0 12px; font-size: .95rem; }
.error-title { font: 700 clamp(1.8rem, 6vw, 3.2rem)/1.1 var(--font-mono); letter-spacing: -.02em; margin: 0 0 12px; color: var(--phos); text-shadow: var(--glow); }
.error-text { color: var(--ink-soft); margin: 0 0 24px; }
.error-details { font: .8rem/1.5 var(--font-mono); color: var(--ink-faint); white-space: pre-wrap; margin-top: 32px; }

/* ------------------------------------------------------------------ large screens: bigger type, slightly wider column */
@media (min-width: 1100px) {
    body { font-size: 1.2rem; }                       /* ~19px */
    .wrap-narrow { width: min(760px, 100% - 32px); }   /* keeps ~75 characters per line at the larger size */
    .article-excerpt { font-size: 1.4rem; }
}

/* ------------------------------------------------------------------ small screens */
@media (max-width: 640px) {
    body { font-size: 1.06rem; }
    .site-head { position: static; }
    .site-head-inner { padding-block: 12px; }
    .masthead .prompt { display: none; }
    .site-nav { width: 100%; justify-content: space-between; }
    .card-title { font-size: 1.2rem; }
}