/* arturormk.github.io — one small stylesheet, no build step. */

:root {
  --bg: #f7f5f0;
  --surface: #ffffff;
  --ink: #1d1f1c;
  --muted: #5d625a;
  --line: #dedad0;
  --accent: #2f6f62;
  --accent-ink: #ffffff;
  --code-bg: #1e221f;
  --code-ink: #e6e9e3;
  --warn-bg: #fff3e6;
  --warn-line: #d9822b;

  --serif: "Iowan Old Style", "Charter", "Bitstream Charter", "Source Serif Pro", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Ubuntu, Cantarell, "Noto Sans", sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, "DejaVu Sans Mono", monospace;

  --wrap: 68rem;
  --prose: 44rem;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151715;
    --surface: #1d201d;
    --ink: #e7e9e4;
    --muted: #a3a99f;
    --line: #313630;
    --accent: #6cc3ac;
    --accent-ink: #0f1a17;
    --code-bg: #0e100e;
    --warn-bg: #2a2117;
    --warn-line: #e0a05a;
  }
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1.0625rem/1.65 var(--sans);
}

a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

h1, h2, h3 { font-family: var(--serif); line-height: 1.2; font-weight: 600; letter-spacing: -0.01em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }

/* ---- header / footer ---- */

.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 3.5rem; }
.site-title { font-family: var(--serif); font-weight: 600; font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.site-header nav { display: flex; gap: 1.25rem; font-size: 0.95rem; }
.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--ink); }

.site-footer { border-top: 1px solid var(--line); margin-top: 5rem; color: var(--muted); font-size: 0.875rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 2rem; padding-block: 1.5rem; }
.site-footer a { color: inherit; }

/* ---- home ---- */

.intro { padding-block: 4rem 2rem; }
.intro h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin: 0 0 1rem; }
.intro p { max-width: 40rem; font-size: 1.15rem; color: var(--muted); margin: 0; }

h2.group {
  font-family: var(--sans); font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted);
  margin: 3rem 0 1rem;
}

.cards {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
}

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem 1.25rem 1rem; display: flex; flex-direction: column;
}
.card.has-page { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.card h3 { font-size: 1.15rem; margin: 0 0 0.4rem; display: flex; align-items: center; gap: 0.5rem; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--accent); }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card .meta { margin-top: auto; padding-top: 0.9rem; display: flex; gap: 1rem; font-size: 0.85rem; }
.card .lang { color: var(--muted); margin-right: auto; font-family: var(--mono); font-size: 0.8rem; }

.badge {
  font-family: var(--sans); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--accent); border: 1px solid currentColor; border-radius: 999px; padding: 0.05rem 0.5rem;
}

/* ---- project hero ---- */

.hero { padding-block: 4.5rem 3rem; border-bottom: 1px solid var(--line); }
.hero .eyebrow { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin: 0; }
.hero h1 { font-size: clamp(2.8rem, 7vw, 4.5rem); margin: 0.3rem 0 0.5rem; }
.hero .tagline { font-family: var(--serif); font-size: clamp(1.3rem, 2.6vw, 1.75rem); margin: 0 0 1rem; max-width: 40rem; }
.hero .lede { color: var(--muted); font-size: 1.1rem; max-width: 40rem; margin: 0 0 2rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 0; }
.facts { list-style: none; padding: 0; margin: 2.5rem 0 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; color: var(--muted); font-size: 0.9rem; }
.facts li::before { content: "✓ "; color: var(--accent); font-weight: 700; }

.button {
  display: inline-block; padding: 0.6rem 1.1rem; border-radius: 8px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
}
.button:hover { border-color: var(--ink); }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.button.primary:hover { filter: brightness(1.08); }

/* ---- project body ---- */

.prose { padding-top: 1rem; }
.prose > * { max-width: var(--prose); }
.prose > .wide, .prose > .steps, .prose > .features, .prose > .shot { max-width: none; }
.prose h2 { font-size: 1.9rem; margin: 3.5rem 0 1rem; }
.prose h3 { font-size: 1.3rem; margin: 2.2rem 0 0.6rem; }
.prose li + li { margin-top: 0.3rem; }

code { font-family: var(--mono); font-size: 0.88em; background: color-mix(in srgb, var(--line) 60%, transparent); padding: 0.1em 0.35em; border-radius: 4px; }
pre { background: var(--code-bg); color: var(--code-ink); padding: 1rem 1.2rem; border-radius: var(--radius); overflow-x: auto; line-height: 1.5; font-size: 0.9rem; }
pre code { background: none; padding: 0; font-size: inherit; color: inherit; }
/* Rouge highlighting from GitHub Pages: keep it subtle on the dark block. */
.highlight .c, .highlight .c1 { color: #8f9a8c; font-style: italic; }
.highlight .nb, .highlight .k { color: #9fd8c6; }
.highlight .s, .highlight .s1, .highlight .s2 { color: #e8c48a; }
.highlight .nt, .highlight .nv { color: #c2b7f0; }

/* step cards: "how it works" */
.steps { list-style: none; padding: 0; margin: 1.5rem 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); counter-reset: step; }
.steps li, .steps li + li { margin: 0; }
.steps li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.25rem; margin: 0; counter-increment: step; }
.steps li::before { content: counter(step); display: inline-grid; place-items: center; width: 1.8rem; height: 1.8rem; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 0.9rem; margin-bottom: 0.6rem; }
.steps strong { display: block; font-family: var(--serif); font-size: 1.2rem; margin-bottom: 0.25rem; }
.steps span { color: var(--muted); font-size: 0.95rem; }

/* feature grid */
.features { display: grid; gap: 1.5rem 2rem; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); margin: 1.5rem 0; }
.features h3 { margin: 0 0 0.3rem; font-size: 1.1rem; }
.features p { margin: 0; color: var(--muted); font-size: 0.97rem; }

/* before / after comparison */
.compare { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); margin: 1.5rem 0; }
.compare > div { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.25rem; background: var(--surface); }
.compare h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.compare p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.compare .good { border-color: var(--accent); }

.callout { border-left: 4px solid var(--warn-line); background: var(--warn-bg); padding: 0.9rem 1.2rem; border-radius: 0 var(--radius) var(--radius) 0; }
.callout p { margin: 0.3rem 0; }

/* screenshot with caption */
.shot { margin: 2rem 0; }
.shot img { display: block; max-width: 100%; height: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.shot figcaption { margin-top: 0.6rem; color: var(--muted); font-size: 0.9rem; }

@media (max-width: 40rem) {
  .hero { padding-block: 3rem 2rem; }
  .site-footer .wrap { flex-direction: column; }
}