/* =============================================================
   leenathan.com — Component Classes
   Atomic classes built from tokens. Use these in templates.
   Tailwind CDN handles layout utilities (flex, grid, p, m, gap).
   ============================================================= */

/* --- JS-toggled carousel states (cannot use Tailwind alone) --- */
.slide                { opacity: 0; pointer-events: none; transition: opacity var(--transition); }
.slide.active         { opacity: 1; pointer-events: auto; }
.dot                  { opacity: 0.4; transform: scale(1); transition: all 0.2s; }
.dot.active           { opacity: 1; transform: scale(1.5); }
.persona-item.active  { background: rgba(255,255,255,0.08); }

/* =============================================================
   LAYOUT
   ============================================================= */

/* .l-content — max-width content container */
.l-content {
  max-width: var(--width-content);
  margin-left: auto;
  margin-right: auto;
}

/* .l-blog — narrower reading width */
.l-blog {
  max-width: var(--width-blog);
  margin-left: auto;
  margin-right: auto;
}

/* =============================================================
   TYPOGRAPHY
   ============================================================= */

/* .t-eyebrow — tiny uppercase brand label above headings */
.t-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand);
}

/* .t-heading-xl — hero/slide heading, fluid */
.t-heading-xl {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.75rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0;
}

/* .t-heading-lg — section heading, fluid */
.t-heading-lg {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 400;
  line-height: 1.2;
  margin: 0;
}

/* .t-heading-md — card/subsection heading */
.t-heading-md {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.3;
  margin: 0;
}

/* .t-body — standard paragraph */
.t-body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-body);
}

/* .t-body-inv — body text on dark backgrounds */
.t-body-inv {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.8);
}

/* .t-muted — secondary/meta text */
.t-muted {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* =============================================================
   BUTTONS
   ============================================================= */

/* .btn-primary — cornflower filled button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--color-brand);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: opacity var(--transition);
}
.btn-primary:hover { opacity: 0.88; }

/* .btn-ghost — cornflower outline button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: transparent;
  color: var(--color-brand);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--color-brand);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.btn-ghost:hover { background: var(--color-brand); color: #fff; }

/* .btn-icon — small circular icon button */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition);
}
.btn-icon:hover { background: rgba(255,255,255,0.2); }

/* .back-link — ← navigation link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-brand);
  text-decoration: none;
  transition: opacity var(--transition);
}
.back-link:hover { opacity: 0.75; text-decoration: underline; }

/* =============================================================
   TAGS
   ============================================================= */

/* .tag — post/topic tag pill */
.tag {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(99,149,238,0.12);
  color: var(--color-brand);
  border-radius: var(--radius-sm);
}

/* =============================================================
   CARDS
   ============================================================= */

/* .card — light mode content card */
.card {
  background: var(--color-snow);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

/* .card-dark — card on dark section backgrounds */
.card-dark {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

/* =============================================================
   FORM
   ============================================================= */

/* .form-label — uppercase field label */
.form-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* .form-input — text input / textarea base */
.form-input {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 0.75rem 1rem;
  background: var(--color-snow);
  color: var(--color-body);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}
.form-input:focus { border-color: var(--color-brand); }

/* Dark mode overrides */
.dark .form-label  { color: rgba(255,255,255,0.6); }
.dark .form-input  { background: rgba(255,255,255,0.08); color: #fff; border-color: rgba(255,255,255,0.15); }
.dark .form-input:focus { border-color: var(--color-brand); }

/* =============================================================
   BLOG
   ============================================================= */

/* .blog-card — clickable post listing card */
.blog-card {
  display: block;
  text-decoration: none;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition);
}
.blog-card:hover { border-color: var(--color-brand); }

/* .blog-card-title — post title in listing */
.blog-card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-abyss);
  margin: 0 0 0.25rem;
  transition: color var(--transition);
}
.blog-card:hover .blog-card-title { color: var(--color-brand); }

/* Dark mode */
.dark .blog-card       { border-color: rgba(255,255,255,0.1); }
.dark .blog-card:hover { border-color: var(--color-brand); }
.dark .blog-card-title { color: #fff; }

/* =============================================================
   POST BODY PROSE
   ============================================================= */

/* .prose — rendered markdown content */
.prose {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-body);
}
.prose h2 { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 400; margin: 2.5rem 0 1rem; }
.prose h3 { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 400; margin: 2rem 0 0.75rem; }
.prose p  { margin-bottom: 1.5rem; }
.prose a  { color: var(--color-brand); text-decoration: underline; }
.prose ul, .prose ol { margin-bottom: 1.5rem; padding-left: 1.5rem; }
.prose li { margin-bottom: 0.5rem; }
.prose blockquote { border-left: 3px solid var(--color-brand); padding-left: 1rem; margin: 1.5rem 0; color: var(--color-muted); font-style: italic; }
.prose code { font-family: monospace; font-size: 0.875rem; background: var(--color-fog); padding: 0.1em 0.3em; border-radius: 3px; }
.prose pre  { background: var(--color-abyss); color: #fff; padding: 1rem 1.25rem; border-radius: var(--radius-lg); overflow-x: auto; margin-bottom: 1.5rem; }
.prose pre code { background: none; padding: 0; color: inherit; font-size: 0.875rem; }

.dark .prose { color: rgba(255,255,255,0.9); }
.dark .prose h2, .dark .prose h3 { color: #fff; }
.dark .prose code { background: rgba(255,255,255,0.1); color: #fff; }