@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Lora:ital,wght@0,400;0,500;1,400;1,500&display=swap');

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

:root {
  --void:        #0E0E10;
  --clay:        #D97D54;
  --silver:      #8892A0;
  --silica:      #F7F5F0;
  --card-bg:     #111115;
  --card-hover:  #16161C;
  --line:        rgba(136, 146, 160, 0.16);
  --line-strong: rgba(136, 146, 160, 0.28);
  --font-ui:     'Inter', 'SF Pro Display', system-ui, -apple-system, sans-serif;
  --font-body:   'Lora', 'Georgia Pro', Georgia, serif;
  --radius:      2px;
  --nav-h:       56px;
  --ease:        250ms cubic-bezier(0.4, 0, 0.2, 1);
  --ease-fast:   140ms cubic-bezier(0.4, 0, 0.2, 1);
}

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--void);
  color: var(--silica);
  font-family: var(--font-ui);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* ─── Reading Progress Bar ─────────────────────────────────────────────── */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  z-index: 300;
  height: 2px;
  width: 0%;
  background: var(--clay);
  transition: width 80ms linear;
  pointer-events: none;
}

/* ─── Navigation ────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  background: rgba(14, 14, 16, 0.90);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav-logo {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--silica);
  transition: color var(--ease-fast);
  flex-shrink: 0;
}
.nav-logo:hover { color: var(--clay); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--silver);
  transition: color var(--ease-fast);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--clay);
  transition: width var(--ease);
}
.nav-links a:hover { color: var(--silica); }
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { width: 100%; }
.nav-links a[aria-current="page"] { color: var(--clay); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--silver);
  transition: all var(--ease-fast);
}

/* ─── Blueprint Grid (subtle background) ───────────────────────────────── */
.grid-bg {
  background-image:
    linear-gradient(rgba(136, 146, 160, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(136, 146, 160, 0.055) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* ─── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(90vh - var(--nav-h));
  border-bottom: 1px solid var(--line-strong);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(136, 146, 160, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(136, 146, 160, 0.055) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

@keyframes hero-scan {
  0%   { transform: translateY(-2px); opacity: 0; }
  5%   { opacity: 1; }
  95%  { opacity: 1; }
  100% { transform: translateY(100vh); opacity: 0; }
}
.hero::after {
  content: '';
  position: absolute; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(217, 125, 84, 0.12) 30%, rgba(217, 125, 84, 0.08) 70%, transparent 100%);
  animation: hero-scan 12s linear infinite;
  pointer-events: none;
}

.hero-left {
  grid-column: 1;
  padding: 5rem 3rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line-strong);
  position: relative;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--silver);
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 28px; height: 1px;
  background: var(--clay);
  flex-shrink: 0;
}

.hero-masthead {
  margin-top: auto;
  margin-bottom: 2rem;
}
.hero-masthead h1 {
  font-family: var(--font-ui);
  font-size: clamp(52px, 7.5vw, 96px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: var(--silica);
}
.hero-masthead h1 em {
  font-style: normal;
  color: var(--clay);
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 18px);
  font-style: italic;
  color: var(--silver);
  line-height: 1.75;
  max-width: 420px;
  margin-top: 1.5rem;
}

.hero-issue {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver);
  opacity: 0.5;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.hero-right {
  grid-column: 2;
  display: flex;
  flex-direction: column;
}

.hero-right-label {
  padding: 1rem 2rem;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.hero-feature-card {
  flex: 1;
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
  transition: background var(--ease);
}
.hero-feature-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(217, 125, 84, 0.09) 0%, transparent 55%);
  transition: opacity var(--ease);
}
.hero-feature-card:hover { background: var(--card-hover); }
.hero-feature-card:hover::before { opacity: 1.6; }

.hero-feature-num {
  position: absolute;
  top: 2rem; right: 2rem;
  font-size: 64px;
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--silica);
  opacity: 0.04;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.feat-category {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 1rem;
  position: relative;
}
.feat-title {
  font-family: var(--font-ui);
  font-size: clamp(22px, 3vw, 38px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--silica);
  margin-bottom: 1rem;
  transition: color var(--ease-fast);
  position: relative;
}
.hero-feature-card:hover .feat-title { color: var(--clay); }
.feat-excerpt {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
  max-width: 460px;
  margin-bottom: 1.5rem;
  position: relative;
}
.feat-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 1.5rem;
  position: relative;
}
.feat-meta-sep { width: 1px; height: 10px; background: var(--line-strong); }

.read-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clay);
  position: relative;
  transition: gap var(--ease);
}
.read-link .arrow { transition: transform var(--ease); }
.read-link:hover { gap: 14px; }
.read-link:hover .arrow { transform: translateX(3px); }

/* ─── Article Bento Grid ────────────────────────────────────────────────── */
.section-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2.5rem;
  border-bottom: 1px solid var(--line);
}
.section-bar-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--silver);
}
.section-bar-link {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clay);
  transition: opacity var(--ease-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}
.section-bar-link:hover { opacity: 0.72; }

.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.bento-card {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: background var(--ease);
  position: relative;
  overflow: hidden;
}
.bento-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--clay);
  transition: width var(--ease);
}
.bento-card:hover { background: var(--card-hover); }
.bento-card:hover::after { width: 100%; }
.bento-card:hover .bc-title { color: var(--clay); }

/* Grid placement */
.bc-feat    { grid-column: 1 / 8;  grid-row: 1 / 3; padding: 3rem; }
.bc-b       { grid-column: 8 / 13; grid-row: 1; }
.bc-c       { grid-column: 8 / 13; grid-row: 2; }
.bc-d       { grid-column: 1 / 5;  grid-row: 3; }
.bc-e       { grid-column: 5 / 9;  grid-row: 3; }
.bc-f       { grid-column: 9 / 13; grid-row: 3; }

.bc-num {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--silver);
  opacity: 0.45;
  margin-bottom: 1rem;
}
.bc-category {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 0.75rem;
}
.bc-title {
  font-family: var(--font-ui);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--silica);
  transition: color var(--ease-fast);
  margin-bottom: 1rem;
}
.bc-feat .bc-title {
  font-size: clamp(22px, 2.8vw, 38px);
  font-weight: 300;
  margin-top: auto;
}
.bento-card:not(.bc-feat) .bc-title { font-size: 17px; }

.bc-excerpt {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
  flex: 1;
}
.bento-card:not(.bc-feat) .bc-excerpt {
  font-size: 13px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.bc-feat .bc-excerpt { font-size: 15px; }

.bc-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver);
  margin-top: 1.5rem;
}
.bc-meta-sep { width: 1px; height: 9px; background: var(--line-strong); }

/* ─── Articles Index — Tactile Grid ─────────────────────────────────────── */
.articles-header {
  position: relative;
  padding: 5rem 3rem 3.5rem;
  border-bottom: 1px solid var(--line-strong);
  overflow: hidden;
}
.articles-header::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(136, 146, 160, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(136, 146, 160, 0.055) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}
.articles-header h1 {
  font-family: var(--font-ui);
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 300;
  letter-spacing: -0.025em;
  color: var(--silica);
  line-height: 1.05;
  position: relative;
}
.articles-header p {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 17px;
  color: var(--silver);
  margin-top: 1.25rem;
  max-width: 480px;
  position: relative;
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 3rem;
  border-bottom: 1px solid var(--line-strong);
  overflow-x: auto;
  scrollbar-width: none;
}
.filter-bar::-webkit-scrollbar { display: none; }

.filter-btn {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver);
  background: none;
  border: 1px solid var(--line);
  padding: 5px 12px;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: color var(--ease-fast), border-color var(--ease-fast), background var(--ease-fast);
}
.filter-btn:hover,
.filter-btn.active {
  color: var(--clay);
  border-color: rgba(217, 125, 84, 0.4);
  background: rgba(217, 125, 84, 0.05);
}

.articles-grid-header {
  display: grid;
  grid-template-columns: 60px 1fr 140px 105px 72px;
  gap: 0;
  padding: 0.875rem 3rem;
  border-bottom: 1px solid var(--line-strong);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver);
  opacity: 0.65;
}

.articles-grid-row {
  display: grid;
  grid-template-columns: 60px 1fr 140px 105px 72px;
  gap: 0;
  padding: 1.75rem 3rem;
  border-bottom: 1px solid var(--line);
  align-items: center;
  cursor: pointer;
  transition: background var(--ease);
  position: relative;
  text-decoration: none;
  color: inherit;
}
.articles-grid-row:hover { background: var(--card-hover); }
.articles-grid-row:hover .agr-title { color: var(--clay); }
.articles-grid-row:hover .agr-arrow { opacity: 1; transform: translateX(0); }

.agr-num {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--silver);
  opacity: 0.5;
}
.agr-title-wrap { display: flex; flex-direction: column; gap: 3px; }
.agr-title {
  font-family: var(--font-ui);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--silica);
  transition: color var(--ease-fast);
}
.agr-subtitle {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 13px;
  color: var(--silver);
  opacity: 0.8;
}
.agr-category {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--silver);
}
.agr-date {
  font-size: 11px;
  color: var(--silver);
  opacity: 0.65;
}
.agr-read {
  font-size: 11px;
  color: var(--silver);
  opacity: 0.5;
}
.agr-arrow {
  position: absolute;
  right: 3rem;
  color: var(--clay);
  font-size: 14px;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--ease), transform var(--ease);
}

/* ─── Blueprint / About Page ─────────────────────────────────────────────── */
.bp-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(65vh - var(--nav-h));
  border-bottom: 1px solid var(--line-strong);
  position: relative;
  overflow: hidden;
}
.bp-header::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(136, 146, 160, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(136, 146, 160, 0.055) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.bp-header-left {
  padding: 5rem 3rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-right: 1px solid var(--line-strong);
  position: relative;
}
.bp-eyebrow {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 1.25rem;
}
.bp-title {
  font-family: var(--font-ui);
  font-size: clamp(42px, 6vw, 80px);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.0;
  color: var(--silica);
}
.bp-title em { font-style: normal; color: var(--clay); }

.bp-header-right {
  padding: 5rem 3rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
}
.bp-header-right p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.85;
  color: var(--silver);
  margin-bottom: 1.25rem;
}
.bp-header-right p strong { color: var(--silica); font-weight: 500; }

.bp-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
}
.bp-pillar {
  border-right: 1px solid var(--line);
  padding: 3rem 2.5rem;
  transition: background var(--ease);
}
.bp-pillar:hover { background: var(--card-hover); }
.bp-pillar-num {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--silver);
  opacity: 0.45;
  margin-bottom: 1.5rem;
  display: block;
}
.bp-pillar-title {
  font-family: var(--font-ui);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--silica);
  margin-bottom: 0.875rem;
}
.bp-pillar-em {
  display: block;
  font-family: var(--font-body);
  font-style: italic;
  font-size: 13px;
  color: var(--clay);
  margin-bottom: 1rem;
  letter-spacing: 0;
}
.bp-pillar p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.bp-body {
  max-width: 780px;
  margin: 0 auto;
  padding: 5rem 3rem;
}
.bp-body h2 {
  font-family: var(--font-ui);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--silica);
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}
.bp-body p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.9;
  color: rgba(247, 245, 240, 0.80);
  margin-bottom: 1.5rem;
}
.bp-body p strong { color: var(--silica); font-weight: 500; }

.bp-quote {
  border-left: 2px solid var(--clay);
  padding: 1.5rem 2rem;
  margin: 2.5rem 0;
  background: rgba(217, 125, 84, 0.04);
}
.bp-quote p {
  font-family: var(--font-body);
  font-size: 21px;
  font-style: italic;
  line-height: 1.65;
  color: var(--silica);
  margin: 0;
}

.bp-anti {
  border-top: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-left: 1px solid var(--line);
}
.bp-anti-item {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 2.5rem;
}
.bp-anti-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver);
  opacity: 0.5;
  margin-bottom: 0.875rem;
}
.bp-anti-title {
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 500;
  color: var(--silica);
  margin-bottom: 0.625rem;
}
.bp-anti-desc {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

/* ─── Article Page ──────────────────────────────────────────────────────── */
.article-hero {
  position: relative;
  min-height: calc(55vh - var(--nav-h));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 4.5rem 3rem 3.5rem;
  border-bottom: 1px solid var(--line-strong);
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(136, 146, 160, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(136, 146, 160, 0.055) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.article-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 55%;
  background: linear-gradient(to top, var(--void) 0%, transparent 100%);
  pointer-events: none;
}
.article-hero-gradient {
  position: absolute; inset: 0;
  pointer-events: none;
}
.article-hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 1.75rem;
}
.article-breadcrumb a:hover { color: var(--clay); }
.article-breadcrumb span { opacity: 0.35; }

.article-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clay);
  border: 1px solid rgba(217, 125, 84, 0.32);
  padding: 4px 10px;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
}
.article-title {
  font-family: var(--font-ui);
  font-size: clamp(30px, 5vw, 62px);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--silica);
  margin-bottom: 1rem;
}
.article-subtitle {
  font-family: var(--font-body);
  font-style: italic;
  font-size: clamp(15px, 1.8vw, 19px);
  color: var(--silver);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 580px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver);
}
.article-meta-sep { width: 1px; height: 10px; background: var(--line-strong); }

/* ─── Article Body ──────────────────────────────────────────────────────── */
.article-body {
  max-width: 740px;
  margin: 0 auto;
  padding: 4.5rem 3rem;
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.88;
  color: rgba(247, 245, 240, 0.84);
}

.article-body .lead {
  font-size: 20px;
  line-height: 1.8;
  color: var(--silica);
  margin-bottom: 2rem;
}
.article-body .lead::first-letter {
  font-size: 3.6em;
  float: left;
  line-height: 0.82;
  margin-right: 10px;
  margin-top: 6px;
  color: var(--clay);
  font-family: var(--font-body);
}

.article-body h2 {
  font-family: var(--font-ui);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--silica);
  margin-top: 4rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  clear: both;
}
.article-body h3 {
  font-family: var(--font-ui);
  font-size: 17px;
  font-weight: 500;
  color: var(--silica);
  margin-top: 2.5rem;
  margin-bottom: 0.875rem;
  clear: both;
}
.article-body h4 {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  clear: both;
}
.article-body h5 {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--silver);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  clear: both;
}
.article-body p {
  margin-bottom: 1.4rem;
}
.article-body p:last-child { margin-bottom: 0; }

/* ─── Article Navigation (Prev/Next) ─────────────────────────────────────── */
.article-nav {
  border-top: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--line);
  gap: 1px;
}
.article-nav-item {
  background: var(--void);
  padding: 2.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  transition: background var(--ease);
  text-decoration: none;
  color: inherit;
}
.article-nav-item:hover { background: var(--card-hover); }
.article-nav-item:hover .anav-title { color: var(--clay); }
.article-nav-item.next { text-align: right; }

.anav-dir {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--silver);
  opacity: 0.6;
}
.anav-title {
  font-family: var(--font-ui);
  font-size: 18px;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--silica);
  transition: color var(--ease-fast);
}
.anav-cat {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clay);
  opacity: 0.8;
}

/* ─── Site Footer ────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--line-strong);
  padding: 3.5rem 3rem 0;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
}
.footer-brand { display: flex; flex-direction: column; gap: 0.875rem; }
.footer-logo {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--silica);
}
.footer-tagline {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 14px;
  color: var(--silver);
  line-height: 1.7;
  max-width: 260px;
}

.footer-nav h4 {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver);
  opacity: 0.5;
  margin-bottom: 1.25rem;
}
.footer-nav ul { list-style: none; display: flex; flex-direction: column; gap: 0.625rem; }
.footer-nav ul li a {
  font-size: 14px;
  color: var(--silver);
  transition: color var(--ease-fast);
}
.footer-nav ul li a:hover { color: var(--clay); }

.footer-bottom {
  grid-column: 1 / -1;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--silver);
  opacity: 0.5;
  letter-spacing: 0.05em;
  margin-top: 1.5rem;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .bento { grid-template-columns: repeat(6, 1fr); }
  .bc-feat    { grid-column: 1 / 7; grid-row: 1; }
  .bc-b       { grid-column: 1 / 4; grid-row: 2; }
  .bc-c       { grid-column: 4 / 7; grid-row: 2; }
  .bc-d       { grid-column: 1 / 3; grid-row: 3; }
  .bc-e       { grid-column: 3 / 5; grid-row: 3; }
  .bc-f       { grid-column: 5 / 7; grid-row: 3; }

  .bp-pillars { grid-template-columns: 1fr 1fr; }
  .bp-pillar:last-child { grid-column: 1 / -1; }

  .articles-grid-header,
  .articles-grid-row { grid-template-columns: 50px 1fr 120px 95px; }
  .agr-read { display: none; }
}

@media (max-width: 860px) {
  .nav { padding: 0 1.5rem; }
  .nav-links { gap: 1.5rem; }

  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-left {
    grid-column: 1;
    border-right: none;
    border-bottom: 1px solid var(--line-strong);
    padding: 3.5rem 1.5rem 3rem;
    min-height: 55vh;
  }
  .hero-right { grid-column: 1; }
  .hero-feature-card { min-height: 340px; }

  .bp-header { grid-template-columns: 1fr; }
  .bp-header-left { border-right: none; border-bottom: 1px solid var(--line-strong); padding: 3.5rem 1.5rem 3rem; }
  .bp-header-right { padding: 2.5rem 1.5rem 3rem; }

  .bp-anti { grid-template-columns: 1fr; }

  .site-footer { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .article-body { padding: 3rem 1.5rem; font-size: 17px; }
  .article-hero { padding: 3.5rem 1.5rem 3rem; }

  .article-nav { grid-template-columns: 1fr; }
  .article-nav-item.next { text-align: left; }

  .articles-header { padding: 3.5rem 1.5rem 2.5rem; }
  .filter-bar { padding: 1rem 1.5rem; }
  .articles-grid-header,
  .articles-grid-row { padding: 1.25rem 1.5rem; }
  .agr-arrow { right: 1.5rem; }

  .section-bar { padding: 1rem 1.5rem; }
  .bento-card { padding: 1.5rem; }
  .bc-feat { padding: 2rem 1.5rem; }
}

@media (max-width: 600px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(14, 14, 16, 0.98);
    border-bottom: 1px solid var(--line-strong);
    padding: 1.5rem;
    flex-direction: column;
    gap: 1.25rem;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 13px; }
  .nav-links a::after { display: none; }

  .bento { grid-template-columns: 1fr; }
  .bc-feat, .bc-b, .bc-c, .bc-d, .bc-e, .bc-f {
    grid-column: 1;
    grid-row: auto;
  }

  .bp-pillars { grid-template-columns: 1fr; }
  .bp-pillar:last-child { grid-column: 1; }

  .articles-grid-header { display: none; }
  .articles-grid-row {
    grid-template-columns: 40px 1fr;
    padding: 1.25rem 1.5rem;
  }
  .agr-category, .agr-date, .agr-read { display: none; }

  .site-footer { grid-template-columns: 1fr; padding: 2.5rem 1.5rem 0; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

  .bp-body { padding: 3rem 1.5rem; }
  .bp-anti { grid-template-columns: 1fr; }
}