/*
Theme Name: EcoNova
Theme URI: https://econova.theme
Author: EcoNova
Description: A modern, technology-forward economics blog theme for the 21st century — clean, bold, editorial.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: econova
Tags: blog, economy, finance, technology, innovation, modern, clean
*/

/* =========================================================
   IMPORTS & VARIABLES
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=DM+Mono:wght@400;500&display=swap');

:root {
  /* Colors */
  --color-bg:         #F8F6F1;
  --color-bg-alt:     #EFECE4;
  --color-surface:    #FFFFFF;
  --color-ink:        #0D0D0D;
  --color-ink-muted:  #555047;
  --color-ink-faint:  #A09C92;
  --color-accent:     #1A3A2A;
  --color-accent-2:   #C8A84B;
  --color-rule:       #D8D4CC;
  --color-tag-bg:     #E8E4DB;

  /* Type */
  --font-display:     'Playfair Display', Georgia, serif;
  --font-body:        'DM Sans', sans-serif;
  --font-mono:        'DM Mono', monospace;

  /* Sizing */
  --max-w:            1180px;
  --reading-w:        720px;
  --gap:              clamp(1.5rem, 3vw, 2.5rem);

  /* Transitions */
  --ease:             cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================================================
   RESET & BASE
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* =========================================================
   TYPOGRAPHY
   ========================================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.entry-content h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1.5rem; margin-top: 3rem; }
.entry-content h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 1rem; margin-top: 2.5rem; }
.entry-content h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); margin-bottom: 0.75rem; margin-top: 2rem; }
.entry-content p  { margin-bottom: 1.5rem; font-size: 1.05rem; line-height: 1.8; }
.entry-content ul, .entry-content ol { margin-bottom: 1.5rem; padding-left: 1.5rem; }
.entry-content ul { list-style: disc; }
.entry-content ol { list-style: decimal; }
.entry-content li { margin-bottom: 0.5rem; font-size: 1.05rem; line-height: 1.8; }
.entry-content blockquote {
  margin: 2.5rem 0;
  padding: 1.5rem 2rem;
  border-left: 4px solid var(--color-accent-2);
  background: var(--color-bg-alt);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-accent);
}
.entry-content blockquote p { margin-bottom: 0; font-size: inherit; }
.entry-content code {
  font-family: var(--font-mono);
  background: var(--color-tag-bg);
  padding: 0.1em 0.4em;
  border-radius: 3px;
  font-size: 0.875em;
}
.entry-content pre {
  background: var(--color-ink);
  color: #e8e4db;
  padding: 1.5rem;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}
.entry-content pre code { background: none; padding: 0; color: inherit; }
.entry-content a {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent-2);
  transition: border-color 0.2s, color 0.2s;
}
.entry-content a:hover { color: var(--color-accent-2); border-color: transparent; }
.entry-content figure { margin: 2.5rem 0; }
.entry-content figcaption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-ink-faint);
  font-style: italic;
  text-align: center;
}
.entry-content table { width: 100%; border-collapse: collapse; margin-bottom: 1.5rem; }
.entry-content th, .entry-content td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-rule);
  text-align: left;
  font-size: 0.95rem;
}
.entry-content th { background: var(--color-bg-alt); font-weight: 600; }
.entry-content hr { border: none; border-top: 1px solid var(--color-rule); margin: 3rem 0; }

/* =========================================================
   LAYOUT UTILITIES
   ========================================================= */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
}
.container--narrow {
  max-width: var(--reading-w);
  margin: 0 auto;
  padding: 0 var(--gap);
}

/* =========================================================
   SITE HEADER
   ========================================================= */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-rule);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow 0.3s var(--ease);
}
.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 2rem;
}

/* Logo */
.site-branding { display: flex; align-items: center; gap: 0.75rem; }
.site-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.site-logo-mark svg { width: 20px; height: 20px; fill: var(--color-accent-2); }
.site-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  line-height: 1;
}
.site-title span { color: var(--color-accent-2); }

/* Nav */
.main-navigation ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.main-navigation a {
  display: block;
  padding: 0.4rem 0.9rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-ink-muted);
  border-radius: 2px;
  transition: color 0.2s, background 0.2s;
  letter-spacing: 0.01em;
}
.main-navigation a:hover,
.main-navigation .current-menu-item > a {
  color: var(--color-ink);
  background: var(--color-tag-bg);
}

/* Search */
.header-search form { display: flex; align-items: center; gap: 0.5rem; }
.header-search input {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-rule);
  border-radius: 2px;
  padding: 0.4rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-ink);
  width: 180px;
  transition: border-color 0.2s, width 0.3s var(--ease);
  outline: none;
}
.header-search input:focus { border-color: var(--color-accent); width: 220px; }
.header-search button {
  background: var(--color-accent);
  color: #fff;
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 2px;
  letter-spacing: 0.03em;
  transition: background 0.2s;
}
.header-search button:hover { background: var(--color-accent-2); color: var(--color-ink); }

/* Mobile Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  transition: transform 0.3s, opacity 0.3s;
}

/* =========================================================
   HERO / FEATURED STRIP
   ========================================================= */
.hero-strip {
  background: var(--color-accent);
  color: #fff;
  padding: 0.6rem 0;
  overflow: hidden;
}
.hero-strip-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero-strip-label {
  background: var(--color-accent-2);
  color: var(--color-ink);
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.hero-strip-scroll {
  display: flex;
  gap: 2.5rem;
  overflow: hidden;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
  opacity: 0.85;
}
.hero-strip-scroll a { color: inherit; transition: opacity 0.2s; }
.hero-strip-scroll a:hover { opacity: 1; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =========================================================
   HOMEPAGE LAYOUT
   ========================================================= */

/* Section heading */
.section-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}
.section-heading h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}
.section-heading::before {
  content: '';
  display: block;
  width: 28px;
  height: 3px;
  background: var(--color-accent-2);
  flex-shrink: 0;
}
.section-heading::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-rule);
}

/* Featured Post (large) */
.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  margin-bottom: 3rem;
  overflow: hidden;
  transition: box-shadow 0.3s var(--ease);
}
.featured-post:hover { box-shadow: 0 8px 40px rgba(0,0,0,0.08); }
.featured-post .post-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-bg-alt);
  position: relative;
}
.featured-post .post-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.featured-post:hover .post-thumb img { transform: scale(1.04); }
.featured-post .post-body {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-post .post-body .post-tag {
  margin-bottom: 1rem;
}

/* Post grid */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.posts-grid-2col { grid-template-columns: repeat(2, 1fr); }

/* Post Card */
.post-card {
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
  overflow: hidden;
}
.post-card:hover {
  box-shadow: 0 6px 30px rgba(0,0,0,0.07);
  transform: translateY(-2px);
}
.post-card .post-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.post-card .post-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.post-card:hover .post-thumb img { transform: scale(1.05); }
.post-card .post-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }

/* Post meta elements */
.post-tag {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 1px;
  transition: background 0.2s, color 0.2s;
}
.post-tag:hover { background: var(--color-accent); color: #fff; }
.post-tag.accent { background: var(--color-accent-2); color: var(--color-ink); }

.post-title {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  margin-top: 0.75rem;
  margin-bottom: 0.75rem;
}
.post-title a { transition: color 0.2s; }
.post-title a:hover { color: var(--color-accent); }

.post-title--large { font-size: clamp(1.5rem, 2.5vw, 2rem); }
.post-title--medium { font-size: clamp(1.1rem, 1.8vw, 1.35rem); }
.post-title--small { font-size: 1.05rem; }

.post-excerpt {
  color: var(--color-ink-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex: 1;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  margin-top: auto;
}
.post-meta .sep { color: var(--color-rule); }
.post-meta time { font-family: var(--font-mono); font-size: 0.75rem; }

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: 1.25rem;
  transition: gap 0.2s var(--ease);
}
.read-more::after { content: '→'; font-size: 0.9em; transition: transform 0.2s var(--ease); }
.read-more:hover::after { transform: translateX(4px); }
.read-more:hover { color: var(--color-accent-2); }

/* =========================================================
   SIDEBAR LAYOUT
   ========================================================= */
.content-sidebar-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  align-items: start;
}

/* Sidebar */
.sidebar { position: sticky; top: 90px; }
.widget { margin-bottom: 2.5rem; }
.widget-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-accent-2);
}

/* Widget: recent posts */
.widget-recent-posts .recent-post-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-rule);
}
.widget-recent-posts .recent-post-item:last-child { border-bottom: none; }
.widget-recent-posts .rp-thumb {
  width: 64px;
  height: 48px;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.widget-recent-posts .rp-thumb img { width: 100%; height: 100%; object-fit: cover; }
.widget-recent-posts .rp-title {
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.4;
}
.widget-recent-posts .rp-title a:hover { color: var(--color-accent); }
.widget-recent-posts .rp-date {
  font-size: 0.75rem;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  margin-top: 0.25rem;
}

/* Widget: categories */
.widget-categories ul { display: flex; flex-direction: column; gap: 0.25rem; }
.widget-categories li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  font-size: 0.88rem;
  color: var(--color-ink-muted);
  border-radius: 2px;
  transition: background 0.2s, color 0.2s;
}
.widget-categories li a:hover { background: var(--color-tag-bg); color: var(--color-accent); }
.widget-categories li a .count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-faint);
}

/* Widget: newsletter */
.widget-newsletter {
  background: var(--color-accent);
  color: #fff;
  padding: 1.5rem;
}
.widget-newsletter .widget-title { color: rgba(255,255,255,0.6); border-color: var(--color-accent-2); }
.widget-newsletter p { font-size: 0.88rem; color: rgba(255,255,255,0.8); margin-bottom: 1rem; }
.widget-newsletter input {
  width: 100%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  padding: 0.6rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
  outline: none;
  transition: border-color 0.2s;
}
.widget-newsletter input::placeholder { color: rgba(255,255,255,0.4); }
.widget-newsletter input:focus { border-color: var(--color-accent-2); }
.widget-newsletter button {
  width: 100%;
  background: var(--color-accent-2);
  color: var(--color-ink);
  padding: 0.65rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: opacity 0.2s;
}
.widget-newsletter button:hover { opacity: 0.9; }

/* Widget: tags */
.widget-tags .tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.widget-tags .tag-link {
  background: var(--color-tag-bg);
  color: var(--color-ink-muted);
  font-size: 0.78rem;
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s;
  font-weight: 500;
}
.widget-tags .tag-link:hover { background: var(--color-accent); color: #fff; }

/* =========================================================
   SINGLE POST
   ========================================================= */
.single-hero {
  padding: 4rem 0 0;
}
.single-hero .post-tag { margin-bottom: 1.25rem; }
.single-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  max-width: 820px;
}
.single-hero .lead {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--color-ink-muted);
  max-width: 680px;
  margin-bottom: 2rem;
}
.single-hero-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.author-chip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  overflow: hidden;
}
.author-avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-name { font-size: 0.88rem; font-weight: 600; }
.author-role { font-size: 0.75rem; color: var(--color-ink-faint); }

.post-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  margin-left: auto;
}

.single-featured-image {
  width: 100%;
  aspect-ratio: 21/9;
  overflow: hidden;
  background: var(--color-bg-alt);
  margin-bottom: 3rem;
}
.single-featured-image img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* Article body */
.article-wrap {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
  align-items: start;
  padding-bottom: 5rem;
}
.entry-content { min-width: 0; }
.article-sidebar { position: sticky; top: 90px; }

/* Share bar */
.share-bar {
  margin-bottom: 2rem;
}
.share-bar-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: 0.75rem;
}
.share-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.share-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--color-rule);
  border-radius: 2px;
  background: var(--color-surface);
  color: var(--color-ink-muted);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.share-btn:hover { background: var(--color-tag-bg); color: var(--color-accent); border-color: var(--color-accent); }
.share-btn svg { width: 14px; height: 14px; flex-shrink: 0; }

/* TOC */
.toc-box {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-rule);
  padding: 1.25rem;
  margin-bottom: 2rem;
}
.toc-box-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: 1rem;
}
.toc-list { display: flex; flex-direction: column; gap: 0.4rem; }
.toc-list a {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  padding: 0.2rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.toc-list a:hover { color: var(--color-accent); border-color: var(--color-accent-2); }

/* Post tags footer */
.post-tags-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-rule);
}
.post-tags-footer .tag-link {
  background: var(--color-tag-bg);
  color: var(--color-ink-muted);
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s;
}
.post-tags-footer .tag-link:hover { background: var(--color-accent); color: #fff; }

/* Related posts */
.related-posts {
  padding: 4rem 0;
  border-top: 1px solid var(--color-rule);
}
.related-posts .posts-grid { margin-bottom: 0; }

/* =========================================================
   PAGINATION
   ========================================================= */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 3rem 0;
  border-top: 1px solid var(--color-rule);
}
.pagination .page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-ink-muted);
  border: 1px solid var(--color-rule);
  border-radius: 2px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.pagination .prev, .pagination .next {
  width: auto;
  padding: 0 1rem;
  gap: 0.4rem;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* =========================================================
   SITE FOOTER
   ========================================================= */
.site-footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.65);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .site-title { color: #fff; margin-bottom: 0.75rem; margin-top: 0.5rem; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; max-width: 280px; }
.footer-heading {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 1.25rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--color-accent-2); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom a { color: rgba(255,255,255,0.4); transition: color 0.2s; }
.footer-bottom a:hover { color: var(--color-accent-2); }

/* =========================================================
   ARCHIVE / CATEGORY HEADER
   ========================================================= */
.archive-header {
  padding: 3rem 0;
  border-bottom: 1px solid var(--color-rule);
  margin-bottom: 3rem;
}
.archive-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-2);
  margin-bottom: 0.5rem;
}
.archive-header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.75rem;
}
.archive-header p {
  color: var(--color-ink-muted);
  font-size: 1rem;
  max-width: 540px;
}

/* =========================================================
   404 / ERROR PAGE
   ========================================================= */
.error-404 {
  text-align: center;
  padding: 8rem 0;
}
.error-404 .error-code {
  font-family: var(--font-display);
  font-size: 10rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-rule);
  margin-bottom: 1rem;
}
.error-404 h2 { font-size: 1.75rem; margin-bottom: 1rem; }
.error-404 p { color: var(--color-ink-muted); max-width: 400px; margin: 0 auto 2rem; }
.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 0.75rem 2rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: var(--color-accent-2); color: var(--color-ink); transform: translateY(-1px); }

/* =========================================================
   MAIN PADDING
   ========================================================= */
.site-main { padding: 3rem 0; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .content-sidebar-wrap { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .article-wrap { grid-template-columns: 1fr; }
  .article-sidebar { position: static; display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .featured-post { grid-template-columns: 1fr; }
  .featured-post .post-thumb { aspect-ratio: 16/9; }
}

@media (max-width: 768px) {
  .main-navigation, .header-search { display: none; }
  .main-navigation.open { display: block; }
  .main-navigation.open ul { flex-direction: column; gap: 0; padding: 1rem 0; }
  .menu-toggle { display: flex; }

  /* Mobile nav dropdown */
  .header-inner { flex-wrap: wrap; height: auto; padding: 1rem 0; }
  .main-navigation.open {
    width: 100%;
    background: var(--color-surface);
    border-top: 1px solid var(--color-rule);
    margin-top: 0.5rem;
  }
  .main-navigation.open a { padding: 0.75rem 0; border-bottom: 1px solid var(--color-rule); border-radius: 0; }

  .posts-grid { grid-template-columns: 1fr; }
  .posts-grid-2col { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .single-hero h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-strip { display: none; }
}

@media (max-width: 480px) {
  :root { --gap: 1.25rem; }
  .featured-post .post-body { padding: 1.5rem; }
}

/* =========================================================
   PRINT
   ========================================================= */
@media print {
  .site-header, .site-footer, .sidebar, .share-bar, .hero-strip { display: none; }
  .article-wrap { grid-template-columns: 1fr; }
  body { background: white; color: black; }
}

/* =========================================================
   UTILITY
   ========================================================= */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.placeholder-img {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-rule) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-faint);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}