/* Styles for the rendered framework page (framework.html). Layered on styles.css. */

.fw-hero {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 5rem) clamp(1.25rem, 6vw, 4rem) clamp(1.5rem, 4vw, 3rem);
  background: radial-gradient(60% 60% at 50% 0%, rgba(91, 140, 255, 0.14), transparent 70%);
}
.fw-hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin: 0 0 0.75rem; }
.fw-sub { color: var(--muted); font-size: clamp(1.05rem, 2.2vw, 1.3rem); max-width: 52ch; margin: 0 auto 1.25rem; }
.fw-note {
  color: var(--ink);
  font-size: 0.95rem;
  max-width: 60ch;
  margin: 0 auto;
  padding: 0.85rem 1.1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}

/* --- Layout: sticky TOC + article --- */
.fw-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  max-width: 1180px;
  margin: 0 auto;
  padding: 1rem clamp(1.25rem, 6vw, 4rem) 4rem;
}
@media (min-width: 960px) {
  .fw-layout { grid-template-columns: 260px minmax(0, 1fr); gap: 3.5rem; }
}

.fw-toc { font-size: 0.92rem; }
@media (min-width: 960px) {
  .fw-toc { position: sticky; top: 5rem; align-self: start; max-height: calc(100vh - 7rem); overflow-y: auto; }
}
.fw-toc-title { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.72rem; color: var(--accent); font-weight: 700; margin: 0 0 0.75rem; }
.fw-toc ol { list-style: none; counter-reset: toc; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.fw-toc li { counter-increment: toc; }
.fw-toc a { display: block; color: var(--muted); padding: 0.35rem 0 0.35rem 1rem; margin-left: -1px; border-left: 2px solid transparent; line-height: 1.3; }
.fw-toc a:hover { color: var(--ink); border-left-color: var(--accent-2); }
.fw-top { display: inline-block; margin-top: 1rem; color: var(--muted); font-size: 0.85rem; }
.fw-top:hover { color: var(--ink); }

/* --- Article prose --- */
.fw-article {
  max-width: 72ch;
  color: #d7dbe6;
  font-size: 1.04rem;
  line-height: 1.75;
  overflow-wrap: anywhere;
}
.fw-article h2 {
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  color: var(--ink);
  margin: 3rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 5rem;
}
.fw-article h2:first-of-type { border-top: none; padding-top: 0; margin-top: 1rem; }
.fw-article h3 { font-size: 1.2rem; color: var(--ink); margin: 2rem 0 0.6rem; scroll-margin-top: 5rem; }
.fw-article p { margin: 0 0 1.15rem; }
.fw-article strong { color: var(--ink); }
.fw-article em { color: #eef1f7; }
.fw-article a { color: var(--accent); text-decoration: none; }
.fw-article a:hover { text-decoration: underline; }
.fw-article ul, .fw-article ol { margin: 0 0 1.15rem; padding-left: 1.4rem; }
.fw-article li { margin-bottom: 0.4rem; }
.fw-article hr { border: none; border-top: 1px solid var(--line); margin: 2.5rem 0; }

/* Heading anchor links */
.fw-article .anchor {
  margin-left: 0.5rem;
  color: var(--line);
  font-weight: 400;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
}
.fw-article h2:hover .anchor,
.fw-article h3:hover .anchor { opacity: 1; color: var(--accent); }

/* References block: tighter, hanging look, wrapped URLs */
.fw-article h2[id="references"] ~ p {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 0.7rem;
  padding-left: 1.4rem;
  text-indent: -1.4rem;
}