/* ── SirHoppington · dark "terminal" theme ───────────────────────────── */

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1c2230;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2dd4bf;
  --accent-hover: #5eead4;
  --accent-dim: rgba(45, 212, 191, 0.12);
  --link: #2dd4bf;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --radius: 12px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* ── Base ─────────────────────────────────────────────────────────────── */
body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  padding-top: 72px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.01em;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.18s ease;
}
a:hover {
  color: var(--accent-hover);
  text-decoration: none;
}

.container {
  max-width: 1180px;
}

code, pre, kbd, samp {
  font-family: var(--font-mono);
}

/* ── Navbar ───────────────────────────────────────────────────────────── */
.navbar.site-nav {
  background-color: rgba(13, 17, 23, 0.85);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}

.navbar.site-nav .navbar-brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.navbar.site-nav .navbar-brand::before {
  content: "▮";
  color: var(--accent);
  animation: blink 1.2s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.navbar.site-nav .navbar-brand img { height: 40px; width: auto; }

/* Mobile burger - light/teal so it's visible on the dark navbar */
.navbar.site-nav .navbar-toggler {
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.6rem;
}
.navbar.site-nav .navbar-toggler:hover {
  border-color: var(--accent);
}
.navbar.site-nav .navbar-toggler:focus {
  outline: none;
  box-shadow: 0 0 0 0.25rem var(--accent-dim);
}
.navbar.site-nav .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23e6edf3' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar.site-nav .nav-link {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  transition: color 0.18s ease, background 0.18s ease;
}
.navbar.site-nav .nav-link:hover,
.navbar.site-nav .nav-link.active {
  color: var(--accent);
  background: var(--accent-dim);
}

.navbar.site-nav .dropdown-menu {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.navbar.site-nav .dropdown-item { color: var(--muted); }
.navbar.site-nav .dropdown-item:hover {
  background: var(--accent-dim);
  color: var(--accent);
}

/* ── Hero ─────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(1200px 400px at 15% -20%, rgba(45, 212, 191, 0.14), transparent 60%),
    linear-gradient(160deg, #11161f 0%, #0d1117 70%);
  overflow: hidden;
  padding: 3.5rem 2.5rem;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.12;
  pointer-events: none;
}
.hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin: 0.5rem 0 1rem;
}
.hero p { color: var(--muted); max-width: 60ch; }
.hero .hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
}
.hero .hero-cta:hover { gap: 0.7rem; transition: gap 0.18s ease; }

/* ── Section heading ──────────────────────────────────────────────────── */
.section-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}
.section-title .prompt { color: var(--accent); }

/* ── Cards ────────────────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.post-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--accent-dim);
}
.post-card .card-img-top {
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}
.post-card .card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.post-card .post-title {
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}
.post-card:hover .post-title { color: var(--accent); }
.post-card .post-summary {
  color: var(--muted);
  font-size: 0.92rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card .card-meta {
  border-top: 1px solid var(--border);
  padding: 0.9rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}

/* ── Tag pills ────────────────────────────────────────────────────────── */
.tag-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(45, 212, 191, 0.25);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  margin: 0.15rem 0.2rem 0 0;
  transition: all 0.15s ease;
}
.tag-pill::before { content: "#"; opacity: 0.6; }
.tag-pill:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ── Article (blog post) ──────────────────────────────────────────────── */
.blog-article {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.08rem;
  line-height: 1.8;
}
.blog-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.blog-content { color: var(--text); overflow-wrap: break-word; word-wrap: break-word; }
.blog-content img { max-width: 100%; height: auto; border-radius: 10px; margin: 1.5rem 0; }
.blog-content pre,
.blog-content .codehilite {
  background: #010409;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  max-width: 100%;
  overflow-x: auto;
}
.blog-content .codehilite pre {
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;
}
.blog-content table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}
.blog-content code:not(pre code) {
  background: var(--surface-2);
  padding: 0.15em 0.4em;
  border-radius: 5px;
  font-size: 0.9em;
  color: var(--accent-hover);
}
.blog-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  color: var(--muted);
  margin: 1.5rem 0;
}

.surface-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.surface-card .card-header {
  background: transparent;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
}
.surface-card .card-body { padding: 1.25rem 1.5rem; }
.related-list { list-style: none; padding: 0; margin: 0; }
.related-list li { padding: 0.55rem 0; border-bottom: 1px solid var(--border); }
.related-list li:last-child { border-bottom: none; }
.related-list a { overflow-wrap: break-word; }

hr { border-color: var(--border); }

/* ── Footer ───────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 2rem 0;
  margin-top: 4rem;
}

/* ── Modal (subscribe) ────────────────────────────────────────────────── */
.modal-content {
  background: var(--surface);
  border: 1px solid var(--border);
}
.modal-header { border-bottom: 1px solid var(--border); }
.form-control {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
}
.form-control:focus {
  background: var(--bg);
  color: var(--text);
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem var(--accent-dim);
}

/* ── Flash messages ───────────────────────────────────────────────────── */
.alert-info {
  background: var(--accent-dim);
  border: 1px solid rgba(45, 212, 191, 0.3);
  color: var(--accent-hover);
}

@media (max-width: 576px) {
  .hero { padding: 2.25rem 1.5rem; }
  .blog-hero-img { height: 240px; }
}