/* =============================================
   Japanese Stationery Guide — Main Stylesheet
   Japanese-inspired warm & clean design system
   ============================================= */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Noto+Sans+JP:wght@300;400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Color Palette — Japanese-inspired warm & clean */
  --color-bg: #faf8f5;
  --color-text: #2c2c2c;
  --color-primary: #b8860b;
  --color-secondary: #8b4513;
  --color-light: #f0ebe3;
  --color-border: #e5ddd0;
  --color-success: #5a7d5a;
  --color-star: #d4a853;
  --color-white: #ffffff;
  --color-dark: #1f1d19;
  --color-muted: #7a7266;
  --color-muted-light: #b0a99a;

  /* Typography */
  --font-body: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Libre Baskerville', Georgia, 'Times New Roman', Times, serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-content: 800px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 6px 20px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;

  /* Nav height */
  --nav-height: 60px;
}

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

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--space-lg));
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

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

a:hover, a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  overflow-wrap: break-word;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.005em;
}

h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

h5 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

h6 {
  font-size: 0.9rem;
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

strong, b {
  font-weight: 600;
}

small {
  font-size: 0.875rem;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* =============================================
   NAVIGATION — Structure 1: nav.site-nav
   Used on: homepage (index.html), brand pages
   ============================================= */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: none;
  transition: box-shadow var(--transition-normal);
  min-height: var(--nav-height);
}

/* Sticky shadow on scroll — applied via JS or :has with :target */
.site-nav.scrolled,
body:not(.at-top) .site-nav {
  box-shadow: var(--shadow-md);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-height);
}

.site-nav .logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-nav .logo:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* Hamburger toggle button (3 spans) */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 8px;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
  background-color: var(--color-light);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Hamburger open state */
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Nav menu — mobile collapsed by default */
.nav-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  background-color: var(--color-white);
  width: 100%;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  padding: var(--space-sm) 0;
  border-bottom: 2px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  max-height: calc(100vh - var(--nav-height));
  overflow-y: auto;
}

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

/* Homepage: ul.nav-menu li a */
.nav-menu li {
  width: 100%;
}

.nav-menu a {
  display: block;
  color: var(--color-text);
  padding: 0.7rem var(--space-md);
  font-size: 0.9rem;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
}

.nav-menu a:hover {
  background-color: var(--color-light);
  color: var(--color-primary);
  text-decoration: none;
}

/* Brand pages: div.nav-menu a (flat links) */
.nav-menu > a {
  display: block;
  color: var(--color-text);
  padding: 0.7rem var(--space-md);
  font-size: 0.9rem;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
}

.nav-menu > a:hover {
  background-color: var(--color-light);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-menu .nav-brand-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  padding: 0.8rem var(--space-md) 0.3rem;
  font-weight: 600;
  pointer-events: none;
}

/* Dropdown support for nav-menu (homepage style) */
.nav-menu .dropdown {
  position: relative;
}

.nav-menu .dropdown > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-menu .dropdown > a::after {
  content: '\25BC';
  font-size: 0.6rem;
  margin-left: 6px;
  transition: transform var(--transition-normal);
}

.nav-menu .dropdown.open > a::after {
  transform: rotate(180deg);
}

.nav-menu .dropdown-menu {
  display: none;
  flex-direction: column;
  background-color: var(--color-light);
  border-left: 2px solid var(--color-primary);
  margin: 0;
  padding: 0;
}

.nav-menu .dropdown.open .dropdown-menu {
  display: flex;
}

.nav-menu .dropdown-menu a {
  padding: 0.5rem var(--space-md) 0.5rem var(--space-xl);
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  color: var(--color-text);
}

.nav-menu .dropdown-menu a:hover {
  background-color: rgba(184, 134, 11, 0.08);
  color: var(--color-primary);
}

/* =============================================
   NAVIGATION — Structure 2: header.site-header
   Used on: category pages, review pages, comparisons
   ============================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: none;
  transition: box-shadow var(--transition-normal);
  min-height: var(--nav-height);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.site-header .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  min-height: var(--nav-height);
}

.site-header .site-logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-header .site-logo:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.site-header nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: none;
  flex-direction: row;
  gap: 0.25rem;
  align-items: center;
}

.nav-links li {
  display: inline-block;
}

.nav-links a {
  display: block;
  color: var(--color-text);
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.nav-links a:hover {
  background-color: var(--color-light);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-links a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* =============================================
   HERO SECTION
   ============================================= */

.hero {
  background: linear-gradient(135deg, #2c2c2c 0%, #3d3830 100%);
  color: var(--color-white);
  padding: var(--space-3xl) var(--space-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  position: relative;
  z-index: 1;
}

.hero .tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-star);
  max-width: 650px;
  margin: 0 auto var(--space-lg);
  font-style: italic;
  line-height: 1.6;
  font-family: var(--font-heading);
  position: relative;
  z-index: 1;
}

.hero .subtext {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* =============================================
   SECTION HEADERS
   ============================================= */

.section-header {
  text-align: center;
  padding: var(--space-2xl) var(--space-md) var(--space-lg);
  max-width: 700px;
  margin: 0 auto;
}

.section-header h2 {
  position: relative;
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.section-header h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-star));
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}

.section-header p {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-top: var(--space-sm);
}

/* =============================================
   CARD GRID
   ============================================= */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  padding: 0 var(--space-md) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Base card styles */
.card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card a {
  display: block;
  color: var(--color-text);
  text-decoration: none;
}

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

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  transition: color var(--transition-fast);
}

.card:hover h3 {
  color: var(--color-primary);
}

.card p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

/* Category cards */
.category-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}

.category-card .emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.category-card h3 {
  font-size: 1.05rem;
}

/* Brand cards */
.brand-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

.brand-card .brand-logo-placeholder {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-text);
  border: 2px solid var(--color-border);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.brand-card:hover .brand-logo-placeholder {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.brand-card h3 {
  font-size: 1rem;
}

/* Review cards */
.review-card {
  padding: var(--space-lg);
}

.review-card .review-meta {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.review-card .review-meta .tag {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

.review-card h3 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.review-card p {
  font-size: 0.85rem;
}

/* Blog post cards */
.blog-card {
  padding: var(--space-lg);
}

.blog-card .blog-category {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.blog-card h3 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.blog-card p {
  font-size: 0.85rem;
}

/* =============================================
   ARTICLE PAGE LAYOUT
   ============================================= */

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

.article-page h1 {
  margin-bottom: var(--space-xs);
}

.article-page .article-meta {
  color: var(--color-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
}

.article-page h2 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--color-border);
}

.article-page h3 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-secondary);
}

.article-page p {
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.article-page ul, .article-page ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
  line-height: 1.8;
}

.article-page ul {
  list-style: disc;
}

.article-page ol {
  list-style: decimal;
}

.article-page li {
  margin-bottom: var(--space-xs);
}

.article-page li::marker {
  color: var(--color-primary);
}

/* Product block within articles */
.article-page .product-block {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-star);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  transition: box-shadow var(--transition-fast);
}

.article-page .product-block:hover {
  box-shadow: var(--shadow-md);
}

.article-page .product-block h3 {
  margin-top: 0;
  margin-bottom: var(--space-xs);
  font-size: 1.1rem;
}

.article-page .product-block p {
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
}

.article-page .product-block .buy-link {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.5rem 1.25rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: var(--space-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  text-decoration: none;
}

.article-page .product-block .buy-link:hover {
  background: var(--color-secondary);
  transform: translateY(-1px);
  text-decoration: none;
  color: var(--color-white);
}

.article-page .where-to-buy {
  background: var(--color-light);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
}

.article-page .where-to-buy h2 {
  border-bottom: none;
  margin-top: 0;
  padding-bottom: 0;
}

.article-page .where-to-buy ul {
  list-style: none;
  padding-left: 0;
}

.article-page .where-to-buy li {
  margin-bottom: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.article-page .where-to-buy li:last-child {
  border-bottom: none;
}

.article-page .where-to-buy a {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.article-page .where-to-buy a::before {
  content: '\2192';
  color: var(--color-primary);
  font-weight: 700;
}

/* =============================================
   TABLE OF CONTENTS (TOC)
   ============================================= */

.toc {
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.toc h2 {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  border-bottom: none;
  margin-top: 0;
  padding-bottom: 0;
}

.toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc li {
  margin-bottom: var(--space-xs);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.toc li:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.toc a {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text);
  padding: var(--space-xs) 0;
  text-decoration: none;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  padding-left: 0;
}

.toc a:hover {
  color: var(--color-primary);
  padding-left: 6px;
  text-decoration: none;
}

.toc a::before {
  content: '\2192';
  color: var(--color-primary);
  margin-right: 8px;
  font-size: 0.8rem;
  opacity: 0.7;
}

/* =============================================
   COMPARISON TABLES
   ============================================= */

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-xl);
  font-size: 0.9rem;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.comparison-table thead {
  background: var(--color-secondary);
  color: var(--color-white);
}

.comparison-table th {
  padding: var(--space-md);
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.comparison-table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.comparison-table tbody tr {
  background-color: var(--color-white);
  transition: background-color var(--transition-fast);
}

.comparison-table tbody tr:nth-child(even) {
  background-color: var(--color-light);
}

.comparison-table tbody tr:hover {
  background-color: rgba(184, 134, 11, 0.06);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

/* Responsive tables: horizontal scroll on small screens */
@media (max-width: 767px) {
  .comparison-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* =============================================
   STAR RATINGS
   ============================================= */

.stars {
  display: inline-flex;
  gap: 2px;
  font-size: 1.1rem;
  color: var(--color-star);
  letter-spacing: 2px;
}

.stars .star-filled {
  color: var(--color-star);
}

.stars .star-empty {
  color: var(--color-border);
}

.stars .star-half {
  position: relative;
  display: inline-block;
  color: var(--color-border);
}

.stars .star-half::before {
  content: '\2605';
  position: absolute;
  left: 0;
  width: 50%;
  overflow: hidden;
  color: var(--color-star);
}

/* Inline star rating for product blocks */
.product-block .stars {
  margin-bottom: var(--space-sm);
}

/* Star rating display */
.rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.rating .rating-value {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* =============================================
   BREADCRUMBS
   ============================================= */

.breadcrumbs {
  font-size: 0.8rem;
  color: var(--color-muted);
  padding: var(--space-sm) 0;
  margin-bottom: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
}

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

.breadcrumbs a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumbs .separator {
  margin: 0 0.4rem;
  color: var(--color-muted-light);
  user-select: none;
}

.breadcrumbs > span:last-child {
  color: var(--color-text);
  font-weight: 500;
}

/* =============================================
   AFFILIATE DISCLOSURE BANNER
   ============================================= */

.disclosure {
  background: var(--color-light);
  border-left: 3px solid var(--color-primary);
  padding: var(--space-md) var(--space-lg);
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: var(--space-lg);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  line-height: 1.6;
}

.disclosure strong {
  color: var(--color-text);
}

/* =============================================
   TAGS / BADGES
   ============================================= */

.tag {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

.tag.tag-new {
  background: var(--color-success);
  color: var(--color-white);
}

.tag.tag-updated {
  background: var(--color-primary);
  color: var(--color-white);
}

.tag.tag-guide {
  background: var(--color-secondary);
  color: var(--color-white);
}

.tag.tag-comparison {
  background: var(--color-star);
  color: var(--color-text);
}

.tag.tag-review {
  background: #6b8e8e;
  color: var(--color-white);
}

/* Blog category badge */
.blog-category {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  display: inline-block;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  background: rgba(184, 134, 11, 0.08);
}

/* =============================================
   BUTTONS
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.4;
  gap: var(--space-sm);
}

.btn:hover {
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Primary button */
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary button */
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* Buy now / affiliate button */
.buy-link, .btn-buy-now {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.5rem 1.25rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.buy-link:hover, .btn-buy-now:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

/* =============================================
   NEWSLETTER SECTION
   ============================================= */

.newsletter {
  background: linear-gradient(135deg, #2c2c2c 0%, #3d3830 100%);
  color: var(--color-white);
  padding: var(--space-2xl) var(--space-md);
  text-align: center;
}

.newsletter h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

.newsletter p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-lg);
  font-size: 0.95rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form input[type="email"] {
  padding: 0.8rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.newsletter-form input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.newsletter-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-star);
  background: rgba(255, 255, 255, 0.12);
}

.newsletter-form .btn {
  padding: 0.8rem 1.5rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.newsletter-form .btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.newsletter-form .btn-primary:hover {
  background: var(--color-star);
}

/* =============================================
   FOOTER
   ============================================= */

.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-2xl) var(--space-md) var(--space-lg);
  margin-top: auto;
  border-top: 3px solid var(--color-primary);
}

.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-footer h4 {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  display: inline-block;
  margin-bottom: var(--space-xs);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-star);
  padding-left: 4px;
  text-decoration: none;
}

.site-footer .footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.site-footer .affiliate-disclosure {
  grid-column: 1 / -1;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-lg);
  margin-top: var(--space-md);
  text-align: center;
  line-height: 1.7;
}

.site-footer .affiliate-disclosure p {
  margin-bottom: var(--space-sm);
}

.site-footer .affiliate-disclosure p:last-child {
  margin-bottom: 0;
}

.site-footer .affiliate-disclosure strong {
  color: rgba(255, 255, 255, 0.6);
}

/* =============================================
   MAIN CONTENT WRAPPER
   ============================================= */

main {
  flex: 1;
}

main > .container {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

/* =============================================
   UTILITY CLASSES
   ============================================= */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-gold { color: var(--color-primary); }
.text-muted { color: var(--color-muted); }
.text-success { color: var(--color-success); }
.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-2xl); }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }
.mb-3 { margin-bottom: var(--space-2xl); }
.p-1 { padding: var(--space-md); }
.p-2 { padding: var(--space-xl); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* =============================================
   PAGE SPECIFIC — Category / Brand pages
   ============================================= */

/* Desktop layout for category cards */
.card-grid.categories-two-thirds {
  grid-template-columns: repeat(2, 1fr);
}

/* =============================================
   RESPONSIVE — 768px+ (Tablet)
   ============================================= */

@media (min-width: 768px) {
  /* Card grid */
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    padding: 0 var(--space-lg) var(--space-2xl);
  }

  /* Nav — Structure 1: site-nav */
  .site-nav .nav-toggle {
    display: none;
  }

  .nav-menu {
    display: flex !important;
    flex-direction: row;
    position: static;
    background: transparent;
    box-shadow: none;
    border-bottom: none;
    padding: 0;
    gap: 0.25rem;
    align-items: center;
    max-height: none;
    overflow: visible;
  }

  .nav-menu li {
    width: auto;
  }

  .nav-menu li a,
  .nav-menu > a {
    display: block;
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    border-bottom: none;
    border-radius: var(--border-radius-sm);
  }

  .nav-menu .nav-brand-label {
    padding: 0 0.5rem 0 1rem;
    font-size: 0.65rem;
  }

  /* Desktop dropdown */
  .nav-menu .dropdown {
    position: relative;
  }

  .nav-menu .dropdown > a::after {
    content: '\25BC';
    font-size: 0.55rem;
    margin-left: 4px;
  }

  .nav-menu .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm) 0;
    z-index: 1001;
  }

  .nav-menu .dropdown:hover .dropdown-menu,
  .nav-menu .dropdown:focus-within .dropdown-menu {
    display: flex;
  }

  .nav-menu .dropdown-menu a {
    padding: 0.5rem var(--space-md);
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    white-space: nowrap;
    color: var(--color-text);
  }

  .nav-menu .dropdown-menu a:hover {
    background-color: var(--color-light);
    color: var(--color-primary);
  }

  .nav-menu .dropdown-menu li:last-child a {
    border-bottom: none;
  }

  /* Nav — Structure 2: site-header */
  .site-header .nav-links {
    display: flex;
  }

  /* Hero */
  .hero {
    padding: var(--space-3xl) var(--space-xl);
  }

  /* Newsletter */
  .newsletter-form {
    flex-direction: row;
  }

  .newsletter-form input[type="email"] {
    flex: 1;
  }

  /* Footer */
  .site-footer .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Section header */
  .section-header {
    padding: var(--space-2xl) var(--space-xl) var(--space-lg);
  }

  /* Article page */
  .article-page {
    padding: var(--space-2xl) var(--space-xl);
  }

  .article-page .product-block {
    padding: var(--space-xl);
  }

  /* TOC */
  .toc {
    padding: var(--space-xl);
  }

  /* Card grid variants */
  .card-grid.categories-two-thirds {
    grid-template-columns: repeat(3, 1fr);
  }

  .card-grid.reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =============================================
   RESPONSIVE — 1024px+ (Desktop)
   ============================================= */

@media (min-width: 1024px) {
  /* Card grid */
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    padding: 0 var(--space-xl) var(--space-2xl);
  }

  /* Nav — larger padding on desktop */
  .nav-menu li a,
  .nav-menu > a {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  /* Hero */
  .hero {
    padding: var(--space-3xl) var(--space-xl);
  }

  .hero h1 {
    font-size: 2.75rem;
  }

  .hero .tagline {
    font-size: 1.2rem;
  }

  /* Section header */
  .section-header {
    padding: var(--space-2xl) var(--space-xl) var(--space-xl);
  }

  /* Footer */
  .site-footer .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Article page */
  .article-page {
    padding: var(--space-2xl) var(--space-xl);
    max-width: 780px;
  }

  /* Card grid variants */
  .card-grid.reviews-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Nav links (Structure 2) on desktop */
  .nav-links a {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

/* =============================================
   RESPONSIVE — 1400px+ (Wide Desktop)
   ============================================= */

@media (min-width: 1400px) {
  .container,
  .site-header .nav-container {
    padding: 0 var(--space-xl);
  }

  .hero {
    padding: 5rem var(--space-xl);
  }
}

/* =============================================
   PRINT STYLES
   ============================================= */

@media print {
  .site-nav,
  .site-header,
  .nav-toggle,
  .newsletter,
  .site-footer,
  .breadcrumbs,
  .disclosure,
  .toc,
  .buy-link,
  .btn {
    display: none !important;
  }

  body {
    background: white;
    color: black;
    font-size: 12pt;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  .card,
  .product-block {
    break-inside: avoid;
    border: 1px solid #ccc;
    box-shadow: none;
  }
}
/* ── Images ── */
.hero-figure {
  margin: 1.5rem auto 2rem;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  max-width: 500px;
}
.hero-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.content-figure {
  margin: 1.5rem 0;
  border-radius: 8px;
  overflow: hidden;
}
.content-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  max-width: 500px;
  margin: 0 auto;
}
.content-figure .img-credit,
.hero-figure .img-credit {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-align: right;
  margin-top: 0.5rem;
  padding: 0 0.25rem;
}
@media (max-width: 600px) {
  .hero-figure { margin: 1rem 0 1.5rem; border-radius: 8px; }
  .hero-img { aspect-ratio: 4 / 3; }
}