/* ==========================================================================
   ROOT NODE — EDITORIAL DESIGN SYSTEM
   Strictly Non-AI, Handcrafted, Warm Organic Dark Mode
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&family=Lora:ital,wght@0,400..700;1,400..700&display=swap');

:root {
  /* Organic Dark Palette */
  --bg-primary: #151513;
  --bg-surface: #1E1D1B;
  --bg-surface-elevated: #262522;
  --bg-subtle: #1A1917;
  --bg-code: #121210;

  /* Typography Colors */
  --text-primary: #F4F3EE;
  --text-secondary: #ADA99F;
  --text-muted: #7E7B73;
  --text-inverse: #151513;

  /* Earthy Editorial Accents */
  --accent-sage: #5E7A5A;
  --accent-sage-hover: #71926B;
  --accent-sage-dim: rgba(94, 122, 90, 0.15);
  --accent-rust: #C55E40;
  --accent-rust-hover: #D76E50;
  --accent-terracotta: #B9664E;
  --accent-ochre: #CDB788;

  /* Architectural Borders */
  --border-hairline: rgba(244, 243, 238, 0.08);
  --border-subtle: #292825;
  --border-medium: #3B3934;
  --border-strong: #524F49;

  /* Typographic Scales */
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, Menlo, monospace;

  /* Dimensions & Spacing */
  --container-max: 1200px;
  --article-max: 68ch;
  --header-height: 72px;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;

  /* Transitions */
  --transition-fast: 160ms ease-out;
  --transition-base: 240ms ease;
}

/* Base Reset & Core Rules */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem; /* 17px */
  line-height: 1.72;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Selection & Focus */
::selection {
  background-color: var(--accent-sage);
  color: #FFFFFF;
}

:focus-visible {
  outline: 2px solid var(--accent-sage);
  outline-offset: 3px;
}

/* Reading Progress Bar (Top) */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent-sage);
  z-index: 1000;
  transition: width 0.1s ease-out;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.container-narrow {
  max-width: 860px;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background-color: rgba(21, 21, 19, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-hairline);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-symbol {
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--accent-sage);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-sage);
  border-radius: var(--radius-sm);
}

.brand-symbol::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--accent-sage);
  border-radius: 50%;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-tagline-micro {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-left: 0.5rem;
  border-left: 1px solid var(--border-subtle);
  display: none;
}

@media (min-width: 900px) {
  .brand-tagline-micro {
    display: inline-block;
  }
}

.primary-nav {
  display: none;
}

@media (min-width: 860px) {
  .primary-nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
  }
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 450;
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1.5px;
  background-color: var(--accent-sage);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-nav-search {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-nav-search:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
  background-color: var(--bg-surface);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.mobile-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: all 0.2s ease;
}

@media (min-width: 860px) {
  .mobile-toggle {
    display: none;
  }
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 2rem;
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  z-index: 899;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-drawer .nav-link {
  font-size: 1.25rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-hairline);
}

/* ==========================================================================
   HERO SECTION (EDITORIAL)
   ========================================================================== */
.hero-editorial {
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-sage);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.hero-meta-badge::before {
  content: '//';
  opacity: 0.6;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.15;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  max-width: 22ch;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.2rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 62ch;
  margin-bottom: 2rem;
}

.hero-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-hairline);
  font-size: 0.875rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.hero-meta-bar span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   FEATURED STORY MODULE
   ========================================================================== */
.featured-section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-label-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-hairline);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.featured-story-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .featured-story-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

.featured-visual {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.featured-visual img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  filter: contrast(0.97) brightness(0.95);
  transition: transform 0.4s ease;
}

.featured-visual:hover img {
  transform: scale(1.02);
}

.featured-visual-caption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 0.6rem 0.85rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-hairline);
}

.featured-content {
  display: flex;
  flex-direction: column;
}

.post-category-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-sage);
  margin-bottom: 0.75rem;
  text-decoration: none;
}

.post-category-tag:hover {
  color: var(--accent-sage-hover);
}

.featured-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  line-height: 1.25;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
}

.featured-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.featured-title a:hover {
  color: var(--accent-sand);
}

.featured-excerpt {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.post-meta-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.post-meta-inline .bullet {
  opacity: 0.4;
}

/* ==========================================================================
   EDITORIAL ARTICLE GRID & ARCHIVE
   ========================================================================== */
.editorial-grid-section {
  padding: 3.5rem 0;
}

.article-feed-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 640px) {
  .article-feed-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1040px) {
  .article-feed-grid {
    grid-template-columns: repeat(3, 1fr);
    column-gap: 2.25rem;
    row-gap: 3.25rem;
  }
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
  height: 100%;
}

.article-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.card-media {
  position: relative;
  overflow: hidden;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-hairline);
}

.card-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  filter: contrast(0.96) brightness(0.95);
  transition: transform 0.35s ease;
}

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

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.3;
  font-weight: 500;
  margin-top: 0.5rem;
  margin-bottom: 0.85rem;
  letter-spacing: -0.01em;
}

.card-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.card-title a:hover {
  color: var(--accent-sand);
}

.card-excerpt {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Category Filter Bar */
.category-filter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.45rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-sage-dim);
  border-color: var(--accent-sage);
  color: var(--text-primary);
}

/* Search Bar Box */
.search-container {
  margin-bottom: 2.5rem;
  position: relative;
}

.search-input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  padding: 0.85rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-sage);
}

.search-input::placeholder {
  color: var(--text-muted);
}

/* ==========================================================================
   INDIVIDUAL ARTICLE STYLING (READING EXPERIENCE)
   ========================================================================== */
.article-header-section {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb-nav a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-nav a:hover {
  color: var(--accent-sage);
}

.article-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 4.2vw, 3.25rem);
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  max-width: 28ch;
  margin-bottom: 1.5rem;
}

.article-standfirst {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 62ch;
  margin-bottom: 2rem;
  font-style: italic;
  font-family: var(--font-serif);
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.author-chip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-medium);
  object-fit: cover;
}

.author-name {
  color: var(--text-primary);
  font-weight: 500;
}

/* Article Hero Visual */
.article-hero-image-wrap {
  margin: 2.5rem auto 3.5rem;
  max-width: 1040px;
}

.article-hero-image-wrap figure {
  margin: 0;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.article-hero-image-wrap img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  display: block;
}

/* Prose Layout Architecture */
.article-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  padding: 1rem 0 4.5rem;
}

@media (min-width: 1024px) {
  .article-layout-grid {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: start;
  }
}

/* Table of Contents Sticky Sidebar */
.toc-sidebar {
  display: none;
}

@media (min-width: 1024px) {
  .toc-sidebar {
    display: block;
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 1.5rem;
    font-size: 0.875rem;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }
}

.toc-heading {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-sage);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-hairline);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.toc-link {
  color: var(--text-secondary);
  text-decoration: none;
  line-height: 1.45;
  transition: color var(--transition-fast);
  display: block;
}

.toc-link:hover,
.toc-link.active {
  color: var(--text-primary);
  font-weight: 500;
  padding-left: 0.4rem;
  border-left: 2px solid var(--accent-sage);
}

/* Article Body Typography (max-width 68ch) */
.prose-content {
  max-width: var(--article-max);
  margin-left: auto;
  margin-right: auto;
  font-size: 1.125rem; /* 18px */
  line-height: 1.78;
  color: var(--text-primary);
}

@media (min-width: 1024px) {
  .prose-content {
    margin-left: 0;
  }
}

.prose-content p {
  margin-bottom: 1.75rem;
}

.prose-content h2 {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  line-height: 1.3;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-top: 3.25rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.prose-content h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1.35;
  font-weight: 500;
  color: var(--text-primary);
  margin-top: 2.25rem;
  margin-bottom: 1rem;
}

.prose-content ul,
.prose-content ol {
  margin-bottom: 1.85rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.prose-content li {
  margin-bottom: 0.6rem;
  padding-left: 0.35rem;
}

.prose-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

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

.prose-content a {
  color: var(--accent-sage-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--transition-fast);
}

.prose-content a:hover {
  color: var(--accent-sand);
}

/* Contextual Article Images */
.prose-content figure {
  margin: 2.5rem 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

.prose-content figure img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.prose-content figcaption {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-hairline);
  background: var(--bg-surface);
}

/* Code Blocks & Inline Code */
.prose-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  color: var(--accent-sand);
}

.prose-content pre {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  line-height: 1.6;
}

.prose-content pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: #E2E0D8;
  font-size: 0.9rem;
  white-space: pre;
}

/* Blockquotes */
.prose-content blockquote {
  margin: 2.5rem 0;
  padding: 1.25rem 1.75rem;
  border-left: 3px solid var(--accent-sage);
  background: var(--bg-surface);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.65;
  font-style: italic;
  color: var(--text-primary);
}

.prose-content blockquote cite {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-style: normal;
  color: var(--text-muted);
  margin-top: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Technical Data Tables */
.table-wrapper {
  overflow-x: auto;
  margin: 2.5rem 0;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.prose-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  text-align: left;
}

.prose-content th,
.prose-content td {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-hairline);
}

.prose-content th {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--bg-subtle);
  color: var(--accent-sage);
}

.prose-content tr:last-child td {
  border-bottom: none;
}

/* Callout Box */
.callout-box {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-left: 4px solid var(--accent-rust);
}

.callout-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-rust);
  margin-bottom: 0.5rem;
}

/* FAQ Accordion Module */
.faq-section {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.faq-title {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  margin-bottom: 1.5rem;
}

.faq-item {
  border-bottom: 1px solid var(--border-hairline);
  padding: 1.25rem 0;
}

.faq-question {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.faq-answer {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* Related Stories Footer */
.related-section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

/* ==========================================================================
   INFORMATIONAL & LEGAL PAGES (ABOUT, CONTACT, PRIVACY)
   ========================================================================== */
.page-header {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.page-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.page-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 60ch;
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  padding: 3.5rem 0;
}

@media (min-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  padding: 0.8rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-sage);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.btn-primary {
  background: var(--accent-sage);
  color: #FFFFFF;
  border: none;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.btn-primary:hover {
  background: var(--accent-sage-hover);
}

.form-feedback {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: var(--accent-sage-dim);
  border: 1px solid var(--accent-sage);
  color: var(--text-primary);
}

/* ==========================================================================
   FOOTER MODULE
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2.5rem;
  font-size: 0.9rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 640px) {
  .footer-top-grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
}

.footer-brand p {
  color: var(--text-secondary);
  line-height: 1.65;
  margin-top: 1rem;
  max-width: 32ch;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-sage);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-hairline);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--text-primary);
}