/* ==========================================================================
   acre&key Design System v2.1 — Blog stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Josefin+Sans:wght@300;400;600;700&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  /* ------------------------------------------------------------------------
     1. Strict 6-Token WCAG AAA Architectural Color Palette
     ------------------------------------------------------------------------ */
  --obsidian-black: #2B2D31;   /* Primary editorial ink, display headings (13.22:1 AAA) */
  --titanium-frost: #FAFAFA;   /* 70% positive-space canvas foundation */
  --text-copper-aaa: #804526;  /* Section kickers, inline links, active states (7.19:1 AAA) */
  --neutral-grey: #55555A;     /* Analytical long-form body copy, captions (7.10:1 AAA) */
  --highlight-peach: #E88D67;  /* Accents, focus rings & dark background highlights */
  --cta-gradient: linear-gradient(135deg, #E88D67 0%, #9E3F23 100%); /* 135° Metallic CTA */

  /* Surface & Hairline Tokens */
  --white: #FFFFFF;
  --divider: rgba(85, 85, 90, 0.15);       /* 0.5px Hairline architectural border */
  --divider-hover: rgba(85, 85, 90, 0.3);
  --card-bg: #FFFFFF;
  --card-bg-hover: #FAFAFA;
  --copper-soft: rgba(128, 69, 38, 0.08);
  --copper-border: rgba(128, 69, 38, 0.2);

  /* ------------------------------------------------------------------------
     2. Typography Families
     ------------------------------------------------------------------------ */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-brand: 'Josefin Sans', sans-serif;

  /* ------------------------------------------------------------------------
     3. Fibonacci-Derived Spacing Scale (Section 09)
     ------------------------------------------------------------------------ */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 104px;

  /* ------------------------------------------------------------------------
     4. Geometry & Layout
     ------------------------------------------------------------------------ */
  --radius-strict: 4px;        /* Strict 4px architectural geometry across all UI */
  --container-max: 1280px;     /* Centred 1280px maximum container width */
  --content-max: 75ch;         /* Capped reading line-length for optimal ergonomics */
  --header-height: 80px;       /* 80px fixed / sticky header offset */
}

/* ==========================================================================
   CSS Reset & Accessibility
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 0.95rem;          /* 15.2px standard body text per spec */
  line-height: 1.65;
  color: var(--obsidian-black);
  background-color: var(--titanium-frost);
  text-align: start;
  overflow-wrap: break-word;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --------------------------------------------------------------------------
   Headings & Fluid Typography Clamps (Section 05 & 07)
   Strictly Sentence case, balanced line breaks, zero decorative exclamation marks
   -------------------------------------------------------------------------- */
h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 1.3rem + 0.8vw, 2.5rem); /* 25.2px mobile -> 31.5px desktop */
  font-weight: 400;
  color: var(--obsidian-black);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 1.15rem + 0.6vw, 1.85rem); /* 25.2px mobile -> 31.5px desktop */
  font-weight: 400;
  color: var(--obsidian-black);
  line-height: 1.2;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 1rem + 0.4vw, 1.35rem);  /* 19.2px mobile -> 24px desktop */
  font-weight: 400;
  color: var(--obsidian-black);
  line-height: 1.25;
  text-wrap: balance;
}

h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--obsidian-black);
  text-wrap: balance;
}

p, blockquote, li {
  font-family: var(--font-sans);
  color: var(--neutral-grey);
  text-wrap: pretty;
}

/* Focus States (WCAG AAA Focus Ring) */
:focus-visible {
  outline: 2px solid var(--text-copper-aaa);
  outline-offset: 2px;
}

/* Reduced Motion Override (Section 08) */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Reading Scroll Progress Bar */
#scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--cta-gradient);
  width: 0%;
  z-index: 2000;
  transition: width 0.1s ease-out;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -9999px;
  left: 1rem;
  background: var(--titanium-frost);
  color: var(--text-copper-aaa);
  padding: 0.75rem 1.5rem;
  border: 0.5px solid var(--text-copper-aaa);
  border-radius: var(--radius-strict);
  z-index: 9999;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.skip-link:focus {
  top: 1rem;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-lg);
  }
}

/* ==========================================================================
   Header & Logo Typographic Architecture (Section 04)
   ========================================================================== */

/* Strict Monochrome Logo Architecture per Section 04 */

/* Primary Copper CTA Button (Section 03 Swatch 3) */
.primary-cta-btn {
  background: var(--cta-gradient);
  color: #FFFFFF !important;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-strict);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  border: none;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  transition: opacity 0.4s ease;
  text-shadow: 0 1px 2px rgba(43, 45, 49, 0.35); /* Optical shadow per style guide */
}

.primary-cta-btn:hover {
  opacity: 0.92;
}

.cta-arrow {
  width: 14px;
  height: 14px;
  stroke-width: 2;
}

/* Overline Kicker per Section 05 */
.kicker-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-copper-aaa);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-sm);
}

/* ==========================================================================
   Home Hero & Instant Live Search (70/30 Whitespace Rule)
   ========================================================================== */
.blog-home-hero {
  /* body already clears the fixed 80px header; this is the visible gap above the eyebrow (homepage-style breathing room). */
  padding: 104px var(--space-md) var(--space-xl);
  text-align: center;
  border-bottom: 0.5px solid var(--divider);
  background: linear-gradient(180deg, rgba(128, 69, 38, 0.03) 0%, transparent 100%);
}

.hero-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--neutral-grey);
  line-height: 1.65;
  max-width: 760px;
  margin: var(--space-sm) auto var(--space-lg);
}

/* Desktop: keep the hero lead on a single line (it is ~710px wide at 1.05rem). */
@media (min-width: 1024px) {
  .hero-lead {
    white-space: nowrap;
  }
}

/* Search Bar (Strict 4px & 0.5px Hairline) */
.search-container {
  max-width: 580px;
  margin: 0 auto;
  position: relative;
}

.search-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.1rem;
  height: 1.1rem;
  color: var(--neutral-grey);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-strict);
  border: 0.5px solid rgba(85, 85, 90, 0.25);
  background: var(--white);
  padding: 0 1.25rem 0 3rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--obsidian-black);
  outline: none;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.search-input:focus {
  border-color: var(--text-copper-aaa);
  box-shadow: 0 0 0 1px var(--text-copper-aaa);
}

.search-input::placeholder {
  color: rgba(85, 85, 90, 0.6);
}

/* Category Filter Strip */
.category-filter-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: var(--space-lg) 0 var(--space-xl);
}

.cat-btn {
  background: var(--white);
  border: 0.5px solid var(--divider);
  border-radius: var(--radius-strict);
  padding: 0.5rem 1.1rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--neutral-grey);
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  letter-spacing: 0.02em;
}

.cat-btn:hover {
  border-color: var(--text-copper-aaa);
  color: var(--text-copper-aaa);
}

.cat-btn.active {
  background: var(--text-copper-aaa);
  color: #FFFFFF;
  border-color: var(--text-copper-aaa);
}

/* ==========================================================================
   3-Column Blog Cards Grid (Cinematic Flat Interaction, NO Shadow Lifts)
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.blog-card {
  background: var(--white);
  border: 0.5px solid var(--divider);
  border-radius: var(--radius-strict);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: background-color 0.4s ease, border-color 0.4s ease;
  position: relative;
}

.blog-card:hover {
  /* Cinematic Flat Interaction per Section 08 & 11: NO box-shadow lifting */
  background: var(--card-bg-hover);
  border-color: var(--divider-hover);
}

.blog-card-media {
  position: relative;
  display: block;
  height: 220px;
  overflow: hidden;
  background: #E8ECEF;
}

/* Art Direction Filter per Section 10: saturate(0.85) contrast(1.05) */
.blog-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
  transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  display: block;
}

.blog-card:hover .blog-card-img {
  transform: scale(1.03);
}

.cat-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: rgba(10, 10, 11, 0.85);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-strict);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 2;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.blog-card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  font-size: 0.78rem;
  color: var(--neutral-grey);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-variant-numeric: tabular-nums;
}

.meta-sep {
  opacity: 0.4;
  margin-inline: 0.25rem;
}

.blog-card-title {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 1rem + 0.4vw, 1.45rem);
  line-height: 1.25;
  margin-bottom: var(--space-sm);
  color: var(--obsidian-black);
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

.blog-card-title a:hover {
  color: var(--text-copper-aaa);
}

.blog-card-title a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--neutral-grey);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-readmore {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-copper-aaa);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: auto;
  position: relative;
  z-index: 2;
  transition: gap 0.3s ease;
}

.blog-card:hover .blog-card-readmore {
  gap: var(--space-sm);
}

/* ==========================================================================
   Detail Page: 2-Column Architectural Layout (Main Content + Sticky Sidebar)
   ========================================================================== */
.blog-detail-container {
  padding-block: var(--space-xl) var(--space-3xl);
}

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.82rem;
  color: var(--neutral-grey);
  list-style: none;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--neutral-grey);
  text-decoration: none;
  transition: color 0.3s ease;
}

.breadcrumb a:hover {
  color: var(--text-copper-aaa);
}

.bc-current {
  color: var(--text-copper-aaa);
  font-weight: 600;
}

/* Article Header */
.article-header {
  margin-bottom: var(--space-xl);
}

.article-title {
  font-size: clamp(1.8rem, 1.4rem + 1.5vw, 2.75rem);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.article-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-md);
  border-top: 0.5px solid var(--divider);
  border-bottom: 0.5px solid var(--divider);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.author-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-strict);
  background: var(--obsidian-black);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  flex-shrink: 0;
}

.author-details-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--obsidian-black);
  display: block;
}

.author-details-sub {
  font-size: 0.78rem;
  color: var(--neutral-grey);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.fact-check-badge {
  color: #2C4C3B;
  background: rgba(44, 76, 59, 0.08);
  border: 0.5px solid rgba(44, 76, 59, 0.25);
  border-radius: var(--radius-strict);
  padding: 0.15rem 0.45rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.share-strip {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.share-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--neutral-grey);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.share-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0.5px solid var(--divider);
  border-radius: var(--radius-strict);
  background: var(--white);
  color: var(--neutral-grey);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.share-btn:hover {
  border-color: var(--text-copper-aaa);
  color: var(--text-copper-aaa);
  background: var(--card-bg-hover);
}

.share-btn svg {
  width: 16px;
  height: 16px;
}

/* 2-Column Grid Layout */
.blog-layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: var(--space-xl);
  align-items: start;
}

.article-content {
  min-width: 0;
}

.article-hero-wrap {
  position: relative;
  border-radius: var(--radius-strict);
  overflow: hidden;
  border: 0.5px solid var(--divider);
  margin-bottom: var(--space-xl);
  max-height: 440px;
}

.article-hero-img {
  width: 100%;
  height: 100%;
  max-height: 440px;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
  display: block;
}

/* Executive Summary Box */
.executive-summary-box {
  background: var(--white);
  border: 0.5px solid var(--divider);
  border-left: 3px solid var(--text-copper-aaa);
  border-radius: var(--radius-strict);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.summary-heading {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-copper-aaa);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.summary-list {
  padding-left: var(--space-lg);
  color: var(--obsidian-black);
  font-size: 0.95rem;
  line-height: 1.7;
}

.summary-list li + li {
  margin-top: var(--space-xs);
}

.summary-list strong {
  color: var(--obsidian-black);
}

/* Table of Contents Box */
.toc-box {
  background: var(--white);
  border: 0.5px solid var(--divider);
  border-radius: var(--radius-strict);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.toc-title {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--neutral-grey);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.toc-list {
  padding-left: var(--space-lg);
  font-size: 0.9rem;
  line-height: 1.8;
}

.toc-list a {
  color: var(--text-copper-aaa);
  text-decoration: underline;
  text-decoration-color: rgba(128, 69, 38, 0.3);
  text-underline-offset: 4px;
  transition: text-decoration-color 0.4s ease;
}

.toc-list a:hover {
  text-decoration-color: rgba(128, 69, 38, 1);
}

/* Article Body Typography */
.article-prose {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--neutral-grey);
}

.article-prose > * + * {
  margin-top: var(--space-lg);
}

.article-prose h2 {
  font-size: clamp(1.4rem, 1.15rem + 0.6vw, 1.85rem);
  letter-spacing: -0.015em;
  color: var(--obsidian-black);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-sm);
  scroll-margin-top: calc(var(--header-height) + 2rem);
}

.article-prose h3 {
  font-size: clamp(1.15rem, 1rem + 0.4vw, 1.35rem);
  color: var(--obsidian-black);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xs);
  scroll-margin-top: calc(var(--header-height) + 2rem);
}

.article-prose a {
  color: var(--text-copper-aaa);
  text-decoration: underline;
  text-decoration-color: rgba(128, 69, 38, 0.3);
  text-underline-offset: 4px;
  transition: text-decoration-color 0.4s ease;
}

.article-prose a:hover {
  text-decoration-color: rgba(128, 69, 38, 1);
}

.article-prose a,
.short-answer a,
.summary-list a {
  overflow-wrap: anywhere;
}

.article-prose ul,
.article-prose ol {
  padding-left: 1.25rem;
}

.article-prose li + li {
  margin-top: 0.4rem;
}

.article-prose strong,
.short-answer strong,
.summary-list strong {
  color: var(--obsidian-black);
  font-weight: 650;
}

.article-prose em {
  font-style: italic;
}

.article-prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.84em;
  word-break: break-word;
  color: var(--obsidian-black);
}

.short-answer {
  background: var(--white);
  border: 0.5px solid var(--divider);
  border-left: 3px solid var(--text-copper-aaa);
  border-radius: var(--radius-strict);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xl);
  color: var(--obsidian-black);
  font-size: 1.05rem;
  line-height: 1.7;
}

.short-answer p {
  color: var(--obsidian-black);
  margin: 0;
}

.tone-blog {
  background: linear-gradient(145deg, #2B2D31 0%, #804526 78%);
}

.tone-insights {
  background: linear-gradient(145deg, #2B2D31 0%, #55555A 82%);
}

.tone-areas {
  background: linear-gradient(145deg, #3a332f 0%, #9E3F23 84%);
}

.result-count {
  text-align: center;
  color: var(--neutral-grey);
  font-size: 0.82rem;
  margin-top: calc(var(--space-md) * -1);
  margin-bottom: var(--space-lg);
}

.cta-label-short {
  display: none;
}

.article-prose blockquote {
  border-left: 2px solid var(--text-copper-aaa);
  padding: var(--space-md) 0 var(--space-md) var(--space-lg);
  background: var(--white);
  border-radius: 0 var(--radius-strict) var(--radius-strict) 0;
  font-style: italic;
  color: var(--obsidian-black);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.6;
}

/* Data Matrix Table */
.data-matrix-table-wrap {
  overflow-x: auto;
  margin-block: var(--space-lg);
  border: 0.5px solid var(--divider);
  border-radius: var(--radius-strict);
}

.data-matrix-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 0.88rem;
  text-align: left;
}

.data-matrix-table th {
  padding: 0.85rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--neutral-grey);
  background: var(--titanium-frost);
  border-bottom: 0.5px solid var(--divider);
}

.data-matrix-table td {
  padding: 1rem;
  border-bottom: 0.5px solid var(--divider);
  color: var(--obsidian-black);
  font-variant-numeric: tabular-nums;
}

.data-matrix-table tr:last-child td {
  border-bottom: none;
}

/* In-Article Mid-Post Advisory Banner */
.in-article-advisory-banner {
  background: var(--obsidian-black);
  color: var(--titanium-frost);
  border-radius: var(--radius-strict);
  padding: var(--space-xl) var(--space-lg);
  margin: var(--space-2xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.in-article-advisory-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--cta-gradient);
}

.banner-kicker {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--highlight-peach);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xs);
  display: block;
}

.in-article-advisory-banner h2,
.in-article-advisory-banner h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 1.15rem + 0.6vw, 1.85rem);
  font-weight: 400;
  color: var(--titanium-frost);
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.015em;
}

.in-article-advisory-banner p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  max-width: 580px;
  margin: 0 auto var(--space-lg);
  line-height: 1.6;
}

/* FAQ Accordion Section */
.faq-section {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 0.5px solid var(--divider);
}

.faq-title {
  font-size: clamp(1.4rem, 1.15rem + 0.6vw, 1.85rem);
  margin-bottom: var(--space-lg);
}

.faq-accordion-group {
  display: grid;
  gap: var(--space-sm);
}

.faq-item {
  background: var(--white);
  border: 0.5px solid var(--divider);
  border-radius: var(--radius-strict);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.faq-item:hover {
  border-color: var(--divider-hover);
}

.faq-trigger {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--obsidian-black);
  min-height: 48px;
}

.faq-trigger svg {
  width: 16px;
  height: 16px;
  color: var(--text-copper-aaa);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-trigger svg {
  transform: rotate(180deg);
}

.faq-body {
  display: none;
  padding: 0 1.5rem var(--space-md);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--neutral-grey);
}

.faq-item.open .faq-body {
  display: block;
}

/* Author Bio Box */
.author-bio-card {
  margin-top: var(--space-2xl);
  padding: var(--space-lg);
  background: var(--white);
  border: 0.5px solid var(--divider);
  border-radius: var(--radius-strict);
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.author-bio-avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-strict);
  background: var(--obsidian-black);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.75rem;
  flex-shrink: 0;
}

.author-bio-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--obsidian-black);
  margin-bottom: 0.2rem;
}

.author-bio-role {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-copper-aaa);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  display: block;
}

.author-bio-desc {
  font-size: 0.88rem;
  color: var(--neutral-grey);
  line-height: 1.6;
}

/* Related Articles Navigation */
.related-section {
  margin-top: var(--space-2xl);
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.nav-article-card {
  background: var(--white);
  border: 0.5px solid var(--divider);
  border-radius: var(--radius-strict);
  padding: var(--space-lg);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.nav-article-card:hover {
  background: var(--card-bg-hover);
  border-color: var(--divider-hover);
}

.nav-kicker {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-copper-aaa);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-card-heading {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--obsidian-black);
  line-height: 1.3;
  margin: 0;
}

/* ==========================================================================
   Sticky Sidebar (Advisory Widgets)
   ========================================================================== */
.blog-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.sidebar-widget {
  background: var(--white);
  border: 0.5px solid var(--divider);
  border-radius: var(--radius-strict);
  padding: var(--space-lg);
}

.widget-kicker {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-copper-aaa);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-xs);
  display: block;
}

.sidebar-widget h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--obsidian-black);
  margin-bottom: var(--space-xs);
}

.sidebar-widget p {
  font-size: 0.88rem;
  color: var(--neutral-grey);
  line-height: 1.55;
  margin-bottom: var(--space-md);
}

.sidebar-btn-full {
  width: 100%;
  justify-content: center;
}

.widget-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.widget-links a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-copper-aaa);
  text-decoration: none;
  line-height: 1.4;
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
}

.widget-links a:hover {
  text-decoration: underline;
}

.verified-review-box {
  background: rgba(128, 69, 38, 0.04);
  border: 0.5px solid rgba(128, 69, 38, 0.2);
}

.star-rating {
  color: #D97706;
  font-size: 0.85rem;
  margin-bottom: var(--space-xs);
  letter-spacing: 2px;
}

.review-quote {
  font-style: italic;
  font-size: 0.86rem;
  color: var(--obsidian-black);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.review-author {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--obsidian-black);
}

.review-asset {
  font-size: 0.72rem;
  color: var(--neutral-grey);
}

/* ==========================================================================
   Global Footer Architecture (Section 13)
   ========================================================================== */

/* ==========================================================================
   Responsive Breakpoints per Section 07 (Mobile 0px, Tablet 768px, Desktop 1024px, Wide 1280px)
   ========================================================================== */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-layout-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .blog-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  

  

  

  .primary-cta-btn {
    padding: 0.55rem 0.75rem;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
  }

  .cta-label-full {
    display: none;
  }

  .cta-label-short {
    display: inline;
  }

  .blog-card-media {
    height: 112px;
  }

  .blog-home-hero {
    padding: 72px var(--space-md) var(--space-lg);
  }

  .article-title {
    font-size: clamp(1.7rem, 1.2rem + 2vw, 2.2rem);
  }
}

@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-meta-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Article hero, card and related thumbnails (generated by scripts/build_site.py) */
.article-hero {
  margin: 0 0 var(--space-xl);
  border-radius: var(--radius-strict);
  overflow: hidden;
  background: #E8ECEF;
  aspect-ratio: 16 / 9;
}

.article-hero-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.byline .author-details-name {
  display: inline;
  font-size: inherit;
}

.nav-card-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  margin-bottom: var(--space-md);
  border-radius: var(--radius-strict);
}

.widget-links a.widget-link-thumb {
  align-items: center;
  gap: var(--space-sm);
}

.widget-thumb {
  width: 72px;
  height: 48px;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: var(--radius-strict);
}

/* acrenkey.com header (assets/ak-chrome.css) is position:fixed at 80px; offset page content below it. */
body {
  padding-top: 80px;
}