/* ============================================================
   Revelion Method — shared styles for Insights articles + hub
   Layered on top of css/styles.css (uses its design tokens).
   ============================================================ */

/* ---------- article top nav ---------- */
.article-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(20px, 5vw, 48px);
  background: rgba(242, 237, 227, 0.97);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(14, 26, 44, 0.10);
}
.article-nav__mark { display: inline-flex; align-items: center; gap: 9px; color: var(--bg); }
.article-nav__mark img { height: 30px; width: auto; display: block; }
.article-nav__mark span { font-family: var(--ff-display); font-weight: 500; font-size: 17px; letter-spacing: 0.04em; }
.article-nav__cta {
  font-family: var(--ff-body); font-size: 14px; font-weight: 600;
  padding: 9px 16px; border-radius: 999px;
  background: var(--bg); color: var(--ink);
  white-space: nowrap;
}

/* ---------- article body ---------- */
.article {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(48px, 8vw, 100px) var(--gutter) clamp(60px, 8vw, 100px);
}
.article__eyebrow {
  font-family: var(--ff-mono); font-size: 12px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--ember); margin: 0 0 22px;
  display: inline-flex; align-items: center; gap: 12px;
}
.article__eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--ember); opacity: 0.5; }
.article h1 {
  font-family: var(--ff-display); font-weight: 300;
  font-size: clamp(32px, 4.6vw, 52px); line-height: 1.08;
  letter-spacing: -0.018em; margin: 0 0 24px; color: var(--ink);
}
.article__meta {
  font-family: var(--ff-mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--muted); margin: 0 0 40px;
  padding-bottom: 32px; border-bottom: 1px solid var(--rule);
}
.article__lede {
  font-family: var(--ff-accent, var(--ff-display)); font-weight: 300;
  font-size: clamp(20px, 2.2vw, 25px); line-height: 1.5;
  color: var(--ink); margin: 0 0 40px;
}
.article p { font-size: 18px; line-height: 1.7; color: var(--ink-soft); margin: 0 0 24px; }
.article h2 {
  font-family: var(--ff-display); font-weight: 300;
  font-size: clamp(24px, 3vw, 34px); line-height: 1.2; letter-spacing: -0.01em;
  color: var(--ink); margin: 56px 0 20px;
}
.article h3 {
  font-family: var(--ff-display); font-weight: 400;
  font-size: clamp(19px, 2vw, 22px); color: var(--ink); margin: 36px 0 14px;
}
.article strong { color: var(--ink); font-weight: 600; }
.article a:not(.btn):not(.article__backlink) {
  color: var(--ember); border-bottom: 1px solid rgba(212, 165, 116, 0.4);
  transition: border-color .25s var(--ease-out);
}
.article a:not(.btn):not(.article__backlink):hover { border-color: var(--ember); }
.article ul { margin: 0 0 24px; padding: 0; list-style: none; }
.article ul li {
  position: relative; padding-left: 26px; margin-bottom: 14px;
  font-size: 18px; line-height: 1.6; color: var(--ink-soft);
}
.article ul li::before {
  content: ""; position: absolute; left: 2px; top: 11px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--ember);
}
.article__pull {
  font-family: var(--ff-display); font-weight: 300;
  font-size: clamp(22px, 2.6vw, 30px); line-height: 1.35;
  color: var(--ink); border-left: 2px solid var(--ember);
  padding: 6px 0 6px 24px; margin: 40px 0;
}

/* ---------- FAQ ---------- */
.article__faq { margin-top: 64px; padding-top: 48px; border-top: 1px solid var(--rule); }
.article__faq h2 { margin-top: 0; }
.article__faq details { border-bottom: 1px solid var(--rule); padding: 20px 0; }
.article__faq summary {
  font-family: var(--ff-display); font-size: 19px; color: var(--ink);
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px;
}
.article__faq summary::-webkit-details-marker { display: none; }
.article__faq summary::after { content: "+"; color: var(--ember); font-size: 22px; line-height: 1; }
.article__faq details[open] summary::after { content: "−"; }
.article__faq details p { margin-top: 14px; font-size: 17px; }

/* ---------- CTA ---------- */
.article__cta {
  margin-top: 64px; padding: clamp(32px, 5vw, 48px);
  background: var(--bg-soft); border: 1px solid var(--rule);
  border-radius: 6px; text-align: center;
}
.article__cta h2 { margin: 0 0 14px; font-size: clamp(24px, 3vw, 32px); }
.article__cta p { margin: 0 auto 28px; max-width: 46ch; }
.article__cta .btn { display: inline-flex; }

/* ---------- related reading (topical cluster cross-links) ---------- */
.article__related { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--rule); }
.article__related h2 { font-size: clamp(20px, 2.4vw, 26px); margin: 0 0 24px; }
.article__related-list { display: grid; gap: 14px; }
.article__related-list a {
  display: block; padding: 20px 22px;
  background: var(--bg-soft); border: 1px solid var(--rule); border-radius: 5px;
  font-family: var(--ff-display); font-size: 18px; color: var(--ink);
  transition: border-color .3s var(--ease-out), transform .3s var(--ease-out);
}
.article__related-list a:hover { border-color: rgba(212, 165, 116, 0.4); transform: translateY(-2px); }
.article__related-list a span {
  display: block; margin-top: 6px; font-family: var(--ff-body);
  font-size: 14px; color: var(--muted);
}

/* ---------- author / entity attribution (E-E-A-T + GEO citation) ---------- */
.article__author {
  margin-top: 56px; padding: clamp(22px, 3vw, 30px);
  background: var(--bg-soft); border: 1px solid var(--rule); border-radius: 6px;
  display: flex; gap: 20px; align-items: flex-start;
}
.article__author-photo {
  width: 66px; height: 66px; border-radius: 50%; object-fit: cover;
  flex-shrink: 0; border: 1px solid rgba(212, 165, 116, 0.3);
}
.article__author-name {
  font-family: var(--ff-mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ember); margin: 0 0 10px;
}
.article__author-body p:last-child { margin: 0; font-size: 15px; line-height: 1.62; color: var(--ink-soft); }
@media (max-width: 600px) { .article__author { flex-direction: column; gap: 14px; } }

.article__backlink {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-mono); font-size: 13px; letter-spacing: 0.06em;
  color: var(--muted); margin-top: 56px;
}
.article__backlink:hover { color: var(--ember); }

/* ============================================================
   INSIGHTS HUB (/insights/)
   ============================================================ */
.hub { max-width: 860px; margin: 0 auto; padding: clamp(56px, 9vw, 110px) var(--gutter) clamp(60px, 8vw, 100px); }
.hub__eyebrow {
  font-family: var(--ff-mono); font-size: 12px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--ember); margin: 0 0 20px;
  display: inline-flex; align-items: center; gap: 12px;
}
.hub__eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--ember); opacity: 0.5; }
.hub h1 {
  font-family: var(--ff-display); font-weight: 300;
  font-size: clamp(34px, 5vw, 60px); line-height: 1.06; letter-spacing: -0.02em;
  color: var(--ink); margin: 0 0 20px;
}
.hub__lede { font-size: clamp(18px, 1.6vw, 21px); line-height: 1.6; color: var(--ink-soft); max-width: 56ch; margin: 0 0 56px; }
.hub__list { display: grid; gap: 18px; }
.hub__item {
  display: block; padding: clamp(26px, 3vw, 36px);
  background: var(--bg-soft); border: 1px solid var(--rule); border-radius: 6px;
  transition: border-color .3s var(--ease-out), transform .3s var(--ease-out);
}
.hub__item:hover { border-color: rgba(212, 165, 116, 0.4); transform: translateY(-3px); }
.hub__item-tag { font-family: var(--ff-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.hub__item h2 {
  font-family: var(--ff-display); font-weight: 300;
  font-size: clamp(22px, 2.6vw, 30px); line-height: 1.2; letter-spacing: -0.01em;
  color: var(--ink); margin: 12px 0 10px;
}
.hub__item p { font-size: 16px; line-height: 1.6; color: var(--ink-soft); margin: 0; }
.hub__item-more {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  font-family: var(--ff-mono); font-size: 13px; letter-spacing: 0.06em; color: var(--ember);
}
.hub__backlink {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-mono); font-size: 13px; letter-spacing: 0.06em;
  color: var(--muted); margin-top: 56px;
}
.hub__backlink:hover { color: var(--ember); }