/* ============================================================
   resources.css — chrome for /resources/ pSEO + AEO pages
   Layered on top of site.css. Article-style reading surfaces.
   Anchors: cream body, royal hero, accent-red pulls, teal counterpoint.
   ============================================================ */

/* ----------- Article hero with CS-banner brand image + gradient overlay ----------- */
.article-hero {
  position: relative;
  overflow: hidden;
  color: var(--cs-white);
  padding: var(--s-9) 0 var(--s-7);
  background-color: #0e4382;
}
/* Banner image layer with cinematic Ken Burns effect — stronger zoom + drift */
.article-hero::before {
  content: "";
  position: absolute;
  inset: -8%;
  background-image: url('/assets/CS-banner.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.73;
  z-index: 0;
  animation: cs-ken-burns 36s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes cs-ken-burns {
  0%   { transform: scale(1.00) translate(0%, 0%); }
  50%  { transform: scale(1.12) translate(-2.25%, -1.35%); }
  100% { transform: scale(1.06) translate(1.65%, 0.9%); }
}
/* Lighter gradient overlay — banner reads through clearly while keeping text legible on the left */
.article-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(14, 67, 130, 0.55) 0%, rgba(14, 67, 130, 0.30) 50%, rgba(14, 67, 130, 0.12) 85%, rgba(122, 48, 128, 0.08) 100%),
    linear-gradient(180deg, rgba(14, 67, 130, 0.10) 0%, rgba(26, 46, 90, 0.25) 100%);
  z-index: 1;
}
.article-hero > * { position: relative; z-index: 2; }
@media (prefers-reduced-motion: reduce) {
  .article-hero::before { animation: none; transform: scale(1.04); }
}
.article-hero .container { max-width: 1100px; position: relative; }
/* Authority Architects credit row under the meta */
.article-hero .article-attribution {
  margin-top: var(--s-5);
  display: flex;
  align-items: center;
  gap: var(--s-4);
  flex-wrap: wrap;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.78);
}
.article-hero .article-attribution .auth-chip {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(74, 184, 160, 0.18);
  border: 1px solid rgba(74, 184, 160, 0.45);
  color: #7FDDC5;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: 2px;
}
.article-hero .article-attribution .auth-text { color: rgba(255, 255, 255, 0.86); }
.article-hero .article-attribution .auth-text strong { color: var(--cs-white); }
.article-hero .eyebrow {
  color: var(--cs-text-highlight);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  margin-bottom: var(--s-4);
}
.article-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  margin-bottom: var(--s-5);
  color: var(--cs-white);
}
.article-hero .article-meta {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: rgba(255,255,255,0.74);
  margin-top: var(--s-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-5);
}
.article-hero .article-meta strong {
  color: var(--cs-text-highlight);
  font-weight: 500;
}

/* ----------- Article body ----------- */
.article-body {
  background: var(--cs-offwhite);
  color: var(--cs-nearblack);
  padding: var(--s-8) 0 var(--s-9);
}
/* WIDER container per May 4 + May 12 directive — 1100px outer with 720px text columns inside */
.article-body .container {
  max-width: 1100px;
}
.article-body h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  color: var(--cs-royal);
  margin-top: var(--s-7);
  margin-bottom: var(--s-4);
  max-width: 820px;
}
.article-body h3 {
  font-size: clamp(1.15rem, 1.7vw, 1.4rem);
  color: var(--cs-nearblack);
  margin-top: var(--s-6);
  margin-bottom: var(--s-3);
  max-width: 820px;
}
.article-body p {
  font-size: 1.05rem;
  line-height: 1.65;
  color: #2a2a2a;
  margin-bottom: var(--s-4);
  max-width: 760px;
}
.article-body p.lead {
  font-size: 1.18rem;
  line-height: 1.6;
  color: var(--cs-nearblack);
  max-width: 820px;
}
.article-body ul, .article-body ol {
  font-size: 1.05rem;
  line-height: 1.65;
  color: #2a2a2a;
  margin: 0 0 var(--s-5) 1.4em;
  max-width: 820px;
}
.article-body ul li, .article-body ol li { margin-bottom: var(--s-3); }
.article-body a { color: var(--cs-royal); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--cs-coral); }
.article-body strong { color: var(--cs-nearblack); font-weight: 600; }

/* ----------- Direct Answer Block (the AEO-citable summary) ----------- */
.direct-answer-block {
  background: var(--cs-white);
  border-left: 4px solid var(--cs-accent-text, #e3405b);
  padding: var(--s-5) var(--s-6);
  margin: var(--s-6) 0;
  max-width: 820px;
  font-family: var(--font-body);
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--cs-nearblack);
  box-shadow: 0 2px 12px rgba(14, 67, 130, 0.06);
}
.direct-answer-block .da-label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cs-coral);
  font-weight: 600;
  margin-bottom: var(--s-3);
  display: block;
}
.direct-answer-block p { margin-bottom: 0; font-size: 1.08rem; }

/* ----------- Key Takeaways block (AEO citation-extraction lift) ----------- */
.key-takeaways-block {
  background: #FAF6EE;
  border-left: 4px solid var(--cs-accent-text, #e3405b);
  padding: var(--s-5) var(--s-6);
  margin: var(--s-6) 0 var(--s-7);
  border-radius: 4px;
  max-width: 820px;
}
.key-takeaways-block .kt-heading {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cs-accent-text, #e3405b);
  font-weight: 700;
  margin: 0 0 var(--s-4);
  display: block;
}
.key-takeaways-block .kt-list {
  margin: 0;
  padding: 0 0 0 var(--s-5);
  list-style: none;
}
.key-takeaways-block .kt-list li {
  position: relative;
  margin-bottom: var(--s-3);
  padding-left: var(--s-3);
  font-size: 1.02rem;
  line-height: 1.55;
}
.key-takeaways-block .kt-list li:last-child { margin-bottom: 0; }
.key-takeaways-block .kt-list li::before {
  content: "→";
  position: absolute;
  left: -1.1rem;
  top: 0;
  color: var(--cs-accent-text, #e3405b);
  font-weight: 700;
}

/* ----------- Numbered listicle cards ----------- */
.listicle-items { margin: var(--s-7) 0; padding: 0; list-style: none; counter-reset: item; }
.listicle-item {
  background: var(--cs-white);
  border: 1px solid var(--cs-line-dark);
  padding: var(--s-6) var(--s-6) var(--s-5);
  margin-bottom: var(--s-5);
  border-radius: 4px;
  position: relative;
  counter-increment: item;
}
.listicle-item::before {
  content: counter(item);
  position: absolute;
  top: -16px;
  left: -16px;
  background: var(--cs-royal);
  color: var(--cs-white);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  box-shadow: 0 2px 8px rgba(14, 67, 130, 0.18);
}
.listicle-item h3 {
  margin-top: 0;
  margin-bottom: var(--s-3);
  color: var(--cs-royal);
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
}
.listicle-item .quick-answer {
  font-style: italic;
  color: #555;
  margin-bottom: var(--s-4);
  font-size: 1rem;
}
.listicle-item .stat-callout {
  background: var(--cs-offwhite);
  border-left: 3px solid var(--cs-teal);
  padding: var(--s-3) var(--s-4);
  margin-top: var(--s-4);
  font-size: 0.95rem;
  color: #444;
}
.listicle-item .stat-callout cite {
  display: block;
  font-size: 0.82rem;
  color: #777;
  margin-top: var(--s-2);
  font-style: normal;
}

/* ----------- Comparison table (Template D) ----------- */
.comparison-wrap {
  margin: var(--s-7) 0;
  background: var(--cs-white);
  border: 1px solid var(--cs-line-dark);
  border-radius: 4px;
  overflow-x: auto;
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 0.98rem;
}
.comparison-table th, .comparison-table td {
  padding: var(--s-4) var(--s-5);
  text-align: left;
  border-bottom: 1px solid var(--cs-line-dark);
  vertical-align: top;
}
.comparison-table thead th {
  background: var(--cs-royal);
  color: var(--cs-white);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}
.comparison-table tbody tr:nth-child(even) { background: rgba(14, 67, 130, 0.025); }
.comparison-table th[scope="row"] {
  color: var(--cs-royal);
  font-weight: 600;
  background: var(--cs-offwhite);
  width: 28%;
}
.comparison-methodology {
  font-size: 0.92rem;
  color: #666;
  font-style: italic;
  margin-top: var(--s-4);
  padding: var(--s-4) var(--s-5);
  background: var(--cs-offwhite);
  border-left: 3px solid var(--cs-warmgray);
}

/* ----------- FAQ ----------- */
.faq-block { margin: var(--s-8) 0 var(--s-7); }
.faq-block h2 { color: var(--cs-royal); margin-bottom: var(--s-5); }
.faq-item {
  border-bottom: 1px solid var(--cs-line-dark);
  padding: var(--s-5) 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-question {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--cs-royal);
  margin-bottom: var(--s-3);
  font-weight: 400;
}
.faq-answer { font-size: 1rem; line-height: 1.6; color: #2a2a2a; margin-bottom: 0; }

/* ----------- Methodology / disclosure block (Mar 2026 enforcement guard) ----------- */
.methodology-disclosure {
  background: rgba(14, 67, 130, 0.04);
  border-left: 3px solid var(--cs-royal);
  padding: var(--s-5) var(--s-6);
  margin: var(--s-6) 0;
  font-size: 0.95rem;
  color: #444;
  line-height: 1.6;
}
.methodology-disclosure h3 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cs-royal);
  margin: 0 0 var(--s-3);
  font-weight: 600;
}

/* ----------- Footer CTA block (intent-matched per template) ----------- */
.article-cta {
  background: var(--cs-royal);
  color: var(--cs-white);
  padding: var(--s-8) 0;
  text-align: center;
}
.article-cta .container { max-width: var(--container-narrow); }
.article-cta h2 {
  color: var(--cs-white);
  margin-bottom: var(--s-4);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}
.article-cta p {
  color: rgba(255,255,255,0.86);
  font-size: 1.1rem;
  margin-bottom: var(--s-6);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}
.article-cta .btn { font-size: 1rem; padding: 14px 28px; }

/* ----------- Related links ----------- */
.related-links {
  background: var(--cs-offwhite);
  padding: var(--s-7) 0;
  border-top: 1px solid var(--cs-line-dark);
}
.related-links .container { max-width: var(--container-narrow); }
.related-links h2 {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  color: var(--cs-royal);
  margin-bottom: var(--s-5);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-5);
}
.related-card {
  background: var(--cs-white);
  border: 1px solid var(--cs-line-dark);
  padding: var(--s-5);
  border-radius: 4px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.related-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(14, 67, 130, 0.08);
}
.related-card a { color: var(--cs-royal); font-family: var(--font-display); font-size: 1.1rem; text-decoration: none; }
.related-card .related-snippet { font-size: 0.9rem; color: #555; margin-top: var(--s-3); margin-bottom: 0; line-height: 1.5; }

/* ----------- Section dividers ----------- */
.section-divider {
  width: 60px;
  height: 2px;
  background: var(--cs-coral);
  margin: var(--s-5) 0;
}
.article-hero .section-divider {
  width: 80px;
  height: 3px;
  background: var(--cs-accent-text, #e3405b);
  margin: var(--s-4) 0 var(--s-5);
  box-shadow: 0 0 12px rgba(227, 64, 91, 0.4);
}
.article-hero h1 {
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}
.article-hero .eyebrow {
  display: inline-block;
  padding: 4px 12px 4px 0;
  border-bottom: 1px solid rgba(227, 64, 91, 0.55);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.45);
}

/* ----------- Article layout: body column + right-rail sidebar ----------- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: var(--s-7);
  align-items: start;
}
.article-main { min-width: 0; }
.article-sidebar {
  position: sticky;
  top: var(--s-6);
  align-self: start;
  font-family: var(--font-body);
}
.toc-nav {
  border-left: 2px solid rgba(14, 67, 130, 0.12);
  padding: var(--s-3) 0 var(--s-3) var(--s-5);
}
.toc-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cs-royal);
  font-weight: 600;
  margin-bottom: var(--s-3);
}
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 100%;
}
.toc-list li {
  margin: 0 0 var(--s-2) 0;
  line-height: 1.4;
}
.toc-list a {
  display: block;
  font-size: 0.9rem;
  color: #4a4a4a;
  text-decoration: none;
  padding: 4px 0;
  border-left: 2px solid transparent;
  margin-left: -2px;
  padding-left: 10px;
  transition: color 0.12s ease, border-color 0.12s ease;
}
.toc-list a:hover {
  color: var(--cs-royal);
}
.toc-list a.is-active {
  color: var(--cs-accent-text, #e3405b);
  border-left-color: var(--cs-accent-text, #e3405b);
  font-weight: 600;
}

/* Mobile TOC: collapsible <details> shape — generated by the same nav, just restyled */
.toc-mobile-toggle { display: none; }

/* ----------- Mobile responsive tweaks ----------- */
@media (max-width: 960px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .article-sidebar {
    position: static;
    margin-bottom: var(--s-5);
    order: -1;
  }
  .toc-nav {
    border-left: none;
    border: 1px solid rgba(14, 67, 130, 0.18);
    border-radius: 6px;
    padding: var(--s-3) var(--s-4);
    background: rgba(14, 67, 130, 0.03);
  }
  .toc-list {
    display: none;
    margin-top: var(--s-3);
  }
  .toc-nav.is-open .toc-list { display: block; }
  .toc-mobile-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    border: 0;
    padding: 0;
    color: var(--cs-royal);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
  }
  .toc-mobile-toggle::after {
    content: "▾";
    transition: transform 0.15s ease;
  }
  .toc-nav.is-open .toc-mobile-toggle::after { transform: rotate(180deg); }
  .toc-label { display: none; }
}
@media (max-width: 768px) {
  .article-hero { padding: var(--s-7) 0 var(--s-6); }
  .article-body { padding: var(--s-7) 0 var(--s-8); }
  .listicle-item { padding: var(--s-5); margin-bottom: var(--s-5); }
  .listicle-item::before { width: 38px; height: 38px; font-size: 1.1rem; top: -14px; left: -10px; }
  .comparison-table th, .comparison-table td { padding: var(--s-3) var(--s-4); font-size: 0.9rem; }
  .comparison-table th[scope="row"] { width: 35%; }
}

/* H2/H3 scroll-target padding so the section title clears the sticky header on jump */
.article-main h2[id],
.article-main h3[id],
.article-main div[id] {
  scroll-margin-top: 90px;
}