/* ============================================================
   跳動e投放 — TikTok廣告代投指南
   main.css — 從 mockup-A.html 完整提取
   Stage-03 Hugo 模板主樣式
   ============================================================ */

/* ============================================================
   CSS VARIABLES — 色盤
   ============================================================ */
:root {
  /* Core palette */
  --color-bg:          #FFFFFF;
  --color-bg-alt:      #F8FAFC;
  --color-bg-blue:     #EBF3FE;
  --color-accent:      #1A73E8;
  --color-accent-dark: #1557B0;
  --color-text:        #1A1A2E;
  --color-text-muted:  #4A5568;
  --color-border:      #E8EDF2;
  --color-white:       #FFFFFF;
  --color-error:       #E53E3E;

  /* Typography */
  --font-cjk:    'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  --font-latin:  'Plus Jakarta Sans', sans-serif;
  --font-mono:   'JetBrains Mono', 'Courier New', monospace;

  /* Spacing rhythm */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2.5rem;
  --space-2xl: 4rem;

  /* Content width */
  --content-max: 720px;
  --site-max:   1100px;
}

/* ============================================================
   RESET + BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-cjk);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-dark); text-decoration: underline; }

img { display: block; max-width: 100%; height: auto; }

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.container {
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.content-width {
  max-width: var(--content-max);
  margin: 0 auto;
}

.mono {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.9em;
  color: var(--color-accent);
}

.tag {
  display: inline-block;
  font-family: var(--font-latin);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-bg-blue);
  padding: 0.2em 0.65em;
  border-radius: 3px;
}

/* ============================================================
   SITE HEADER
   ============================================================ */
.site-header {
  background: var(--color-white);
  border-bottom: 1.5px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--color-accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-mark span {
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.logo-text {
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.logo-text em {
  color: var(--color-accent);
  font-style: normal;
}

/* Desktop nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.site-nav a {
  font-family: var(--font-cjk);
  font-weight: 400;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  transition: color 150ms ease-out;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-accent);
  text-decoration: none;
}

/* CTA button in nav */
.nav-cta {
  font-family: var(--font-latin);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--color-white) !important;
  background: var(--color-accent);
  padding: 0.4em 1em;
  border-radius: 4px;
  transition: background 150ms ease-out, color 150ms ease-out;
}

.nav-cta:hover {
  background: var(--color-accent-dark) !important;
  text-decoration: none !important;
  color: var(--color-white) !important;
}

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 250ms ease-out, opacity 200ms ease-out, width 200ms ease-out;
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: 99;
  padding: var(--space-xl);
  flex-direction: column;
  gap: var(--space-lg);
  border-top: 1px solid var(--color-border);
  overflow-y: auto;
}

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

.mobile-menu a {
  font-family: var(--font-cjk);
  font-size: 1.1rem;
  color: var(--color-text);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  transition: color 150ms ease-out;
}

.mobile-menu a:hover { color: var(--color-accent); text-decoration: none; }

.mobile-menu .mobile-cta {
  display: block;
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 1rem;
  text-align: center;
  color: var(--color-white) !important;
  background: var(--color-accent);
  padding: 0.85em;
  border-radius: 6px;
  margin-top: var(--space-md);
  border-bottom: none;
  transition: background 150ms ease-out;
}

.mobile-menu .mobile-cta:hover { background: var(--color-accent-dark) !important; }

/* ============================================================
   SITE FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1.5px solid var(--color-border);
  padding: var(--space-xl) 0;
  margin-top: var(--space-2xl);
}

.footer-inner {
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  transition: color 150ms ease-out;
}

.footer-links a:hover { color: var(--color-accent); text-decoration: none; }

/* ============================================================
   HERO AREA (Homepage)
   ============================================================ */
.hero {
  background: var(--color-bg);
  border-bottom: 1.5px solid var(--color-border);
  padding: var(--space-2xl) 0 var(--space-xl);
}

.hero-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.hero-eyebrow {
  font-family: var(--font-latin);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.hero-headline {
  font-family: var(--font-cjk);
  font-weight: 600;
  font-size: 2rem;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.01em;
}

.hero-subline {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  max-width: 600px;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.stat-item { display: flex; flex-direction: column; gap: 2px; }

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ============================================================
   CATEGORY NAV BAR
   ============================================================ */
.cat-nav {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
}

.cat-nav-inner {
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  gap: 0;
  overflow-x: auto;
}

.cat-nav-link {
  font-family: var(--font-cjk);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 0.75rem var(--space-lg);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color 150ms ease-out, border-color 150ms ease-out;
}

.cat-nav-link:hover, .cat-nav-link.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

/* ============================================================
   HOMEPAGE CONTENT
   ============================================================ */
.homepage-content {
  padding: var(--space-2xl) 0;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  max-width: var(--site-max);
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-xl);
}

.section-title {
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.section-link {
  font-size: 0.82rem;
  color: var(--color-accent);
  transition: color 150ms ease-out;
}

.section-link:hover { color: var(--color-accent-dark); text-decoration: none; }

/* Article list */
.article-list {
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.article-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-md);
  align-items: start;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.article-item:last-child { border-bottom: none; }

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.article-date {
  font-family: var(--font-latin);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.article-title {
  font-family: var(--font-cjk);
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  transition: color 150ms ease-out;
}

.article-title:hover { color: var(--color-accent); }

.article-excerpt {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.read-time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  padding-top: 4px;
}

/* Featured article */
.featured-article {
  background: var(--color-bg-blue);
  border: 1px solid #C5DDFB;
  border-radius: 6px;
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

.featured-label {
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.featured-label::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.featured-title {
  font-family: var(--font-cjk);
  font-weight: 600;
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  transition: color 150ms ease-out;
}

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

.featured-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.featured-footer {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.featured-read-more {
  font-family: var(--font-latin);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--color-accent);
  transition: color 150ms ease-out;
}

.featured-read-more:hover { color: var(--color-accent-dark); text-decoration: none; }

/* ============================================================
   CATEGORY PAGE
   ============================================================ */
.page-section {
  padding: var(--space-2xl) 0;
}

.cat-hero {
  background: var(--color-bg-alt);
  border-bottom: 1.5px solid var(--color-border);
  padding: var(--space-xl) 0;
}

.cat-hero-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.breadcrumb {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color 150ms ease-out;
}

.breadcrumb a:hover { color: var(--color-accent); text-decoration: none; }

.breadcrumb-sep { opacity: 0.4; }

.cat-hero-title {
  font-family: var(--font-cjk);
  font-weight: 600;
  font-size: 1.6rem;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.cat-hero-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.cat-article-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
}

.cat-filter {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  max-width: var(--site-max);
  margin: 0 auto;
}

.filter-btn {
  font-family: var(--font-cjk);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 0.3em 0.8em;
  cursor: pointer;
  transition: color 150ms ease-out, border-color 150ms ease-out, background 150ms ease-out;
}

.filter-btn:hover, .filter-btn.active {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-bg-blue);
}

.cat-article-list {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Inline comparison table */
.inline-table-wrap {
  margin: var(--space-xl) 0;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.inline-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.inline-table th {
  font-family: var(--font-latin);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  padding: 0.6em 1em;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.inline-table td {
  padding: 0.65em 1em;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: top;
}

.inline-table tr:last-child td { border-bottom: none; }
.inline-table tr:hover td { background: var(--color-bg-alt); }

.table-check { color: var(--color-accent); font-weight: 600; }
.table-cross { color: var(--color-error); }

/* ============================================================
   SINGLE ARTICLE PAGE
   ============================================================ */
.article-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
}

.article-header-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.article-h1 {
  font-family: var(--font-cjk);
  font-weight: 600;
  font-size: 1.75rem;
  line-height: 1.45;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.01em;
}

.article-byline {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.byline-sep { opacity: 0.3; }

.article-body {
  padding: var(--space-2xl) 0;
}

.article-content {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
}

.article-content h2 {
  font-family: var(--font-cjk);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--color-text);
  margin: var(--space-2xl) 0 var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.article-content h3 {
  font-family: var(--font-cjk);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-text);
  margin: var(--space-xl) 0 var(--space-sm);
}

.article-content p { margin-bottom: var(--space-lg); }

.article-content ul, .article-content ol {
  margin: 0 0 var(--space-lg) var(--space-xl);
}

.article-content li { margin-bottom: var(--space-sm); }
.article-content strong { font-weight: 600; }

/* Callout box */
.callout {
  background: var(--color-bg-blue);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-xl) 0;
  border-radius: 0 4px 4px 0;
}

.callout-label {
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.callout p {
  font-size: 0.92rem;
  color: var(--color-text);
  margin-bottom: 0 !important;
}

/* Inline metric number */
.metric {
  font-family: var(--font-mono);
  font-size: 0.95em;
  color: var(--color-accent);
  background: var(--color-bg-blue);
  padding: 0.1em 0.35em;
  border-radius: 2px;
}

/* Step flow */
.step-list {
  list-style: none;
  margin: 0 0 var(--space-xl) 0 !important;
  padding: 0 !important;
  counter-reset: step;
}

.step-list li {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md) !important;
  align-items: flex-start;
}

.step-num {
  counter-increment: step;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  min-width: 24px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  flex-shrink: 0;
  margin-top: 1px;
}

.step-text { flex: 1; }

/* Post tags */
.article-tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xl);
}

/* Related articles */
.related-articles {
  background: var(--color-bg-alt);
  border-top: 1.5px solid var(--color-border);
  padding: var(--space-xl) 0;
}

.related-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.related-title {
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.related-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.related-item a {
  font-family: var(--font-cjk);
  font-size: 0.92rem;
  color: var(--color-text);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  transition: color 150ms ease-out;
}

.related-item a:hover { color: var(--color-accent); text-decoration: none; }

.related-arrow {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xl) 0;
}

.pagination a,
.pagination span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding: 0.4em 0.75em;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  transition: color 150ms ease-out, border-color 150ms ease-out, background 150ms ease-out;
}

.pagination a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-bg-blue);
  text-decoration: none;
}

.pagination .active {
  color: var(--color-white);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ============================================================
   404 PAGE
   ============================================================ */
.page-404 {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
}

.page-404 .error-code {
  font-family: var(--font-mono);
  font-size: 4rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.page-404 h1 {
  font-family: var(--font-cjk);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.page-404 p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.page-404 a {
  font-family: var(--font-latin);
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-accent);
  padding: 0.6em 1.4em;
  border-radius: 4px;
  transition: background 150ms ease-out;
}

.page-404 a:hover {
  background: var(--color-accent-dark);
  text-decoration: none;
}

/* ============================================================
   ARTICLE FIGURE / IMAGE
   ============================================================ */
.article-figure {
  margin: var(--space-xl) 0;
}

.article-figure img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.article-figure figcaption {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-sm);
}

/* ============================================================
   LEAD PARAGRAPH (for speakable / GEO)
   ============================================================ */
.lead {
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.article-summary {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ============================================================
   RESPONSIVE — RWD breakpoints
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --space-xl:  1.5rem;
    --space-2xl: 2.5rem;
  }

  /* Header */
  .site-nav { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .hero-headline { font-size: 1.5rem; }
  .hero-stats { gap: var(--space-lg); }
  .stat-value { font-size: 1.2rem; }

  /* Article list */
  .article-item { grid-template-columns: 1fr; }
  .read-time { display: none; }

  /* Category hero */
  .cat-hero-title { font-size: 1.3rem; }

  /* Article h1 */
  .article-h1 { font-size: 1.35rem; }

  /* Footer */
  .footer-inner { flex-direction: column; align-items: flex-start; }

  /* Featured article padding */
  .featured-article { padding: var(--space-lg); }
}

@media (min-width: 1440px) {
  :root {
    --space-xl:  3rem;
  }
}