/* rwgeorge.dev — hand-written styles. Accessibility-first.
   Theme via custom properties; light/dark follow the system, overridable by the
   toggle (which sets data-theme on <html>). */

:root {
  --bg:        #ffffff;
  --bg-soft:   #f4f6f8;
  --surface:   #ffffff;
  --border:    #d9dee4;
  --text:      #1a1f24;
  --text-soft: #545c66;
  --accent:    #1a66d6;
  --accent-contrast: #ffffff;
  --focus:     #1a66d6;
  --shadow:    0 1px 2px rgba(16, 24, 40, .06), 0 4px 16px rgba(16, 24, 40, .06);
  --maxw: 60rem;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #0b0d10;
    --bg-soft:   #12161b;
    --surface:   #14191f;
    --border:    #2a323b;
    --text:      #e7ecf1;
    --text-soft: #a3adb8;
    --accent:    #6fa8ff;
    --accent-contrast: #0b0d10;
    --focus:     #6fa8ff;
    --shadow:    0 1px 2px rgba(0, 0, 0, .4), 0 6px 20px rgba(0, 0, 0, .35);
  }
}
/* Explicit dark override (toggle) — wins over the media query. */
:root[data-theme="dark"] {
  --bg:        #0b0d10;
  --bg-soft:   #12161b;
  --surface:   #14191f;
  --border:    #2a323b;
  --text:      #e7ecf1;
  --text-soft: #a3adb8;
  --accent:    #6fa8ff;
  --accent-contrast: #0b0d10;
  --focus:     #6fa8ff;
  --shadow:    0 1px 2px rgba(0, 0, 0, .4), 0 6px 20px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.05rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* Skip link — visible on focus */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: .6rem 1rem;
  border-radius: 0 0 var(--radius) 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* Strong, consistent focus ring for keyboard users */
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

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

/* ── Header / nav ─────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 20;
}
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: .75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.nav__brand { font-weight: 700; text-decoration: none; color: var(--text); }
.nav__links {
  list-style: none;
  display: flex;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  margin-inline-start: auto;
  flex-wrap: wrap;
}
.nav__links a { text-decoration: none; color: var(--text-soft); }
.nav__links a:hover { color: var(--text); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font: inherit;
  font-size: .95rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .35rem .8rem;
  cursor: pointer;
}
.theme-toggle:hover { border-color: var(--accent); }

/* ── Layout ───────────────────────────────────────────────────────────── */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

.hero { padding: clamp(3rem, 10vw, 6rem) 0 2.5rem; }
.hero__name {
  font-size: clamp(2.5rem, 8vw, 4rem);
  line-height: 1.05;
  margin: 0 0 .5rem;
  letter-spacing: -.02em;
}
.hero__tagline { font-size: 1.35rem; color: var(--text-soft); margin: 0 0 1rem; max-width: 40ch; }
.hero__intro { max-width: 55ch; margin: 0 0 1.75rem; }
.hero__actions { display: flex; gap: .75rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: .6rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.btn:hover { border-color: var(--accent); }
.btn--primary { background: var(--accent); color: var(--accent-contrast); border-color: var(--accent); }

.section { padding: 2.5rem 0; border-top: 1px solid var(--border); }
.section__title { font-size: 1.6rem; margin: 0 0 1.25rem; }
.prose { max-width: 65ch; }
.prose p { margin: 0 0 1rem; }

/* Interest cards */
.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.card__title { margin: 0 0 .5rem; font-size: 1.15rem; }
.card__body { margin: 0; color: var(--text-soft); }
.card__title a { color: inherit; text-decoration-color: var(--accent); }
.soon { font-size: .85em; opacity: .8; font-style: italic; }

/* A card carrying a download has several stacked blocks rather than one
   paragraph, so give its children breathing room without touching the
   single-paragraph cards. */
.card > * + * { margin-top: .75rem; }

/* Supporting detail under a download: version, size, checksum, caveats. */
.card__meta {
  margin: 0;
  font-size: .85em;
  color: var(--text-soft);
  opacity: .85;
}

/* Commands the reader is meant to copy. Scrolls within itself so a long line
   never forces the whole page sideways on a phone. */
.code {
  margin: 0;
  padding: .6rem .75rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--border) 25%, transparent);
}
.code code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: .85em;
  white-space: pre;
  color: var(--text);
}

.links { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.key-fpr {
  display: inline-block;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: .78rem;
  color: var(--text-soft);
  letter-spacing: .02em;
}

.site-footer {
  max-width: var(--maxw);
  margin: 3rem auto 0;
  padding: 2rem 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--text-soft);
  font-size: .95rem;
}

/* ── Placeholders (removed as Bob fills in copy) ──────────────────────── */
.placeholder {
  color: var(--text-soft);
  font-style: italic;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px dashed color-mix(in srgb, var(--accent) 45%, var(--border));
  border-radius: 8px;
  padding: .5rem .75rem;
}
.placeholder a { font-style: italic; }
