/* ==========================================================================
   theme.css — 2026 refresh layer for jasonconger.com
   Loaded after beautifuljekyll.css + custom-styles.css; overrides the
   presentation layer without touching structure, URLs, or plugins.
   ========================================================================== */

:root {
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Lora", Georgia, "Times New Roman", serif;
  --font-mono: "SFMono-Regular", ui-monospace, "JetBrains Mono", Menlo, Consolas,
    monospace;

  --ink: #1f2328;
  --ink-soft: #57606a;
  --ink-faint: #8b949e;
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --bg-sunken: #eef1f4;
  --border: #d8dee4;
  --accent: #0969da;
  --accent-hover: #0a5ec9;
  --accent-contrast: #ffffff;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(31, 35, 40, 0.06), 0 8px 24px rgba(31, 35, 40, 0.08);
  --measure: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e6edf3;
    --ink-soft: #9da7b3;
    --ink-faint: #768390;
    --bg: #0d1117;
    --bg-soft: #161b22;
    --bg-sunken: #1c2128;
    --border: #30363d;
    --accent: #4493f8;
    --accent-hover: #6cb0ff;
    --accent-contrast: #0d1117;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.5);
  }
}

/* --- base ---------------------------------------------------------------- */

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

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
  letter-spacing: -0.01em;
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus { color: var(--accent-hover); text-decoration: underline; }

hr { border-top: 1px solid var(--border); }

blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.25rem 0 0.25rem 1.25rem;
  margin-left: 0;
  color: var(--ink-soft);
  font-style: normal;
}

pre, code, kbd, samp { font-family: var(--font-mono); font-size: 0.9em; }
code {
  background: var(--bg-sunken);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--ink);
}
pre {
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  overflow-x: auto;
}
pre code { background: none; padding: 0; }

table { border-collapse: collapse; width: 100%; margin: 1.5rem 0; }
th, td { border: 1px solid var(--border); padding: 0.5rem 0.75rem; text-align: left; }
th { background: var(--bg-soft); }

img { border-radius: var(--radius-sm); }

/* --- navbar ------------------------------------------------------------- */

.navbar-custom {
  background: color-mix(in srgb, var(--bg) 88%, transparent) !important;
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: none;
}
/* collapsed mobile menu: opaque panel so page content doesn't show through */
@media (max-width: 1199px) {
  .navbar-custom .navbar-collapse {
    background: var(--bg);
    margin: 0 -1rem;
    padding: 0.5rem 1rem 1rem;
    border-bottom: 1px solid var(--border);
  }
}
.navbar-custom .navbar-brand,
.navbar-custom .navbar-nav .nav-link {
  color: var(--ink-soft) !important;
  font-weight: 500;
}
.navbar-custom .navbar-brand:hover,
.navbar-custom .navbar-nav .nav-link:hover,
.navbar-custom .navbar-nav .nav-link:focus {
  color: var(--accent) !important;
}
.navbar-custom .nav-item.dropdown .dropdown-menu {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.navbar-custom .nav-item.dropdown .dropdown-menu .dropdown-item {
  color: var(--ink-soft);
}
/* floating avatar stays centred; About/Videos sit to its left, search + the
   dropdown to its right (see _includes/nav.html) */
.navbar-custom .avatar-container .avatar-img-border { box-shadow: var(--shadow); }
.navbar-custom.top-nav-short .avatar-container,
.navbar-custom.top-nav-expanded .avatar-container {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none;
  transition: visibility linear 0.5s, opacity 0.5s ease-in-out;
}
@media (min-width: 1200px) {
  .navbar-custom.top-nav-regular .navbar-nav-left { margin-left: 0.5rem; }
}
/* the single YouTube icon kept next to the Videos link */
.navbar-custom .nav-item.nav-social .nav-link { font-size: 1.1rem; }
@media (min-width: 1200px) {
  .navbar-custom .nav-item.nav-social .nav-link { padding-left: 0.45rem; padding-right: 0.45rem; }
}

/* --- social icon row (home hero + About page) ----------------------- */

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1rem;
}
.social-row a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--ink-soft);
  font-size: 1.15rem;
  background: var(--bg);
  transition: color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.social-row a:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
  transform: translateY(-2px);
}

/* --- footer social row -------------------------------------------- */

.footer-links { padding-left: 0; margin-bottom: 0.75rem; }
.footer-links .list-inline-item { margin: 0 0.55rem; }
.footer-links a { color: var(--ink-soft); font-size: 1.15rem; }
.footer-links a:hover { color: var(--accent); }

/* --- intro / headers -------------------------------------------------- */

.intro-header.no-img {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 7rem 0 2.25rem;   /* top pad clears the fixed navbar + floating avatar */
  margin: 0 0 2.5rem;
}
.intro-header.no-img .page-heading h1,
.intro-header.no-img .post-heading h1 { color: var(--ink); }
.intro-header.no-img .page-subheading,
.intro-header.no-img .post-subheading { color: var(--ink-soft); }
.post-heading .post-meta,
.page-heading .post-meta { color: var(--ink-faint); }

.header-section.has-img .big-img { border-radius: 0; }
.header-section.has-img .overlay {
  background: linear-gradient(180deg, rgba(0,0,0,0.3), rgba(0,0,0,0.68));
}
/* keep cover-image headers legible (the global h1 colour would otherwise win) */
.intro-header.big-img .post-heading h1,
.intro-header.big-img .page-heading h1,
.intro-header.big-img .post-heading .post-subheading,
.intro-header.big-img .page-heading .page-subheading {
  color: #fff;
}

/* --- post list / cards ---------------------------------------------- */

.posts-list { margin: 0 auto; }
.post-preview {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 1.5rem 1.6rem;
  margin-bottom: 1.5rem;
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}
.post-preview:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.post-preview .post-title {
  font-size: 1.5rem;
  margin: 0 0 0.2rem;
  color: var(--ink);
}
.post-preview .post-subtitle { color: var(--ink-soft); font-size: 1.05rem; }
.post-preview .post-meta {
  color: var(--ink-faint);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.post-preview .post-image-short { height: auto; max-height: 260px; border-radius: var(--radius-sm); overflow: hidden; margin: 1rem 0; }
.post-preview .post-image img { border-radius: var(--radius-sm); }
.post-preview .post-entry { color: var(--ink-soft); }
.post-read-more, .post-preview .post-read-more a { color: var(--accent); font-weight: 600; }

.blog-tags { margin-top: 1rem; }
.blog-tags span { color: var(--ink-faint); }
.blog-tags a {
  display: inline-block;
  background: var(--bg-sunken);
  color: var(--ink-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.15rem 0.7rem;
  margin: 0.15rem 0.25rem 0.15rem 0;
  font-size: 0.8rem;
  text-transform: lowercase;
}
.blog-tags a:hover { background: var(--accent); color: var(--accent-contrast); border-color: var(--accent); text-decoration: none; }

/* --- featured strip ------------------------------------------------- */

.featured-strip { margin-bottom: 3rem; }
.featured-strip h2.section-label {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-faint); border: 0; margin-bottom: 1rem;
}
.featured-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 340px)); gap: 1.25rem; }
@media (max-width: 575px) { .featured-cards { grid-template-columns: 1fr; } }
.featured-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  display: flex; flex-direction: column;
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}
.featured-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
a.featured-card { color: inherit; text-decoration: none; }
.featured-card .thumb { display: block; aspect-ratio: 16 / 9; background: var(--bg-sunken) center/cover no-repeat; }
.featured-card .body { display: block; padding: 1rem 1.15rem 1.25rem; }
.featured-card h3 { font-size: 1.15rem; margin: 0 0 0.35rem; }
.featured-card p { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }

/* --- blog post body ----------------------------------------------- */

.blog-post { font-size: 1.09rem; }
.blog-post > p,
.blog-post > ul,
.blog-post > ol,
.blog-post > h2,
.blog-post > h3,
.blog-post > blockquote { max-width: var(--measure); }
.blog-post h2 { margin-top: 2.25rem; }
.blog-post img { box-shadow: var(--shadow); }

/* --- responsive video embed ------------------------------------- */

.video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 1.75rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow);
}
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* --- /videos/ grid --------------------------------------------- */

.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0 3rem;
}
.video-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  display: flex; flex-direction: column;
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}
.video-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.video-card > a { color: inherit; text-decoration: none; display: flex; flex-direction: column; height: 100%; }
.video-card .thumb {
  display: block;
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg-sunken) center/cover no-repeat;
}
.video-card .thumb .dur {
  position: absolute; right: 0.5rem; bottom: 0.5rem;
  background: rgba(0,0,0,0.8); color: #fff;
  font-size: 0.75rem; padding: 0.1rem 0.4rem; border-radius: 4px;
}
.video-card .meta { padding: 0.85rem 1rem 1.1rem; }
.video-card .meta h3 { font-size: 1.02rem; line-height: 1.35; margin: 0 0 0.3rem; }
.video-card .meta time { color: var(--ink-faint); font-size: 0.82rem; }

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

footer, .footer-custom {
  background: var(--bg-soft) !important;
  border-top: 1px solid var(--border);
  color: var(--ink-soft) !important;
}
footer a, .footer-custom a { color: var(--ink-soft) !important; }
footer a:hover { color: var(--accent) !important; }

/* --- misc --------------------------------------------------- */

.pagination .page-link {
  color: var(--accent);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin: 0 0.25rem;
}
.pagination .page-link:hover { background: var(--bg-soft); }

::selection { background: color-mix(in srgb, var(--accent) 25%, transparent); }