/* ==========================================================================
   THE HARDWARE CUSTODY REVIEW - EDITORIAL DESIGN SYSTEM
   High-contrast, modern cryptographic security intelligence & editorial style
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Outfit:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color Palette - Nordic Deep Teal & Cyan Identity */
  --csj-bg: #f8fafc;
  --csj-card: #ffffff;
  --csj-surface-muted: #f1f5f9;
  --csj-surface-border: #e2e8f0;
  --csj-surface-hover: #f8fafc;
  
  --csj-text-primary: #090d16;
  --csj-text-secondary: #334155;
  --csj-text-muted: #64748b;
  --csj-text-light: #94a3b8;
  
  /* Brand Accent: Nordic Deep Teal & Electric Cyan */
  --csj-accent: #0f766e;
  --csj-accent-hover: #115e59;
  --csj-accent-light: #0891b2;
  --csj-accent-tint: #f0fdfa;
  --csj-accent-border: #99f6e4;
  --csj-accent-glow: rgba(15, 118, 110, 0.22);
  
  /* Link Color */
  --csj-link: #0284c7;
  --csj-link-hover: #0369a1;

  /* Alert States */
  --csj-warn-bg: #fffbeb;
  --csj-warn-border: #fcd34d;
  --csj-warn-accent: #d97706;
  --csj-warn-text: #92400e;
  
  --csj-danger-bg: #fef2f2;
  --csj-danger-border: #fca5a5;
  --csj-danger-accent: #dc2626;
  --csj-danger-text: #991b1b;

  --csj-info-bg: #f0f9ff;
  --csj-info-border: #bae6fd;
  --csj-info-accent: #0284c7;
  --csj-info-text: #0369a1;

  /* Typography */
  --csj-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --csj-font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --csj-font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Shadows & Radius */
  --csj-radius-sm: 6px;
  --csj-radius-md: 10px;
  --csj-radius-lg: 16px;
  --csj-radius-xl: 22px;
  --csj-radius-full: 9999px;

  --csj-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --csj-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
  --csj-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --csj-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--csj-bg);
  background-image: radial-gradient(circle at 50% 0%, #f0fdfa 0%, #f8fafc 40%);
  background-repeat: no-repeat;
  color: var(--csj-text-primary);
  font-family: var(--csj-font-sans);
  font-size: 16px;
  line-height: 1.76;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Links */
a {
  color: var(--csj-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

a:hover {
  color: var(--csj-link-hover);
  text-decoration-thickness: 2px;
}

/* Reading Progress Bar */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--csj-accent), var(--csj-accent-light));
  z-index: 100;
  transition: width 0.1s ease-out;
}

/* Layout Containers */
.csj-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.csj-container-wide {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

/* Top Disclaimer Banner - Sleek Executive Navy Ribbon */
.csj-topbar {
  background-color: #0b1120;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #94a3b8;
  font-size: 0.8125rem;
  line-height: 1.5;
  padding: 9px 16px;
  text-align: center;
}

.csj-topbar-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 12px;
}

.csj-topbar-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background-color: rgba(14, 165, 233, 0.14);
  color: #38bdf8;
  border: 1px solid rgba(14, 165, 233, 0.28);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 2px 9px;
  border-radius: var(--csj-radius-full);
}

.csj-topbar-badge svg {
  width: 12px;
  height: 12px;
  color: #38bdf8;
}

.csj-topbar a {
  color: #38bdf8;
  font-weight: 600;
  text-decoration: underline;
}

.csj-topbar a:hover {
  color: #7dd3fc;
}

/* Main Site Header */
.csj-header {
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--csj-surface-border);
  position: sticky;
  top: 0;
  z-index: 50;
  transition: all 0.2s ease;
}

.csj-nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 16px;
}

.csj-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--csj-text-primary);
}

.csj-brand:hover {
  text-decoration: none;
}

.csj-brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--csj-accent), #0891b2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 2px 8px var(--csj-accent-glow);
  flex-shrink: 0;
}

.csj-brand-icon svg {
  width: 19px;
  height: 19px;
}

.csj-brand-title {
  font-family: var(--csj-font-heading);
  font-weight: 800;
  font-size: 1.18rem;
  letter-spacing: -0.2px;
  color: var(--csj-text-primary);
}

.csj-brand-title span {
  color: var(--csj-accent);
}

/* Nav Links */
.csj-nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.csj-nav-link {
  color: var(--csj-text-secondary);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  padding: 7px 14px;
  border-radius: var(--csj-radius-sm);
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.csj-nav-link:hover {
  color: var(--csj-text-primary);
  background-color: var(--csj-surface-muted);
  text-decoration: none;
}

.csj-nav-link.active {
  color: var(--csj-accent);
  background-color: var(--csj-accent-tint);
  border: 1px solid var(--csj-accent-border);
}

.csj-nav-link-official {
  color: var(--csj-accent);
  background-color: var(--csj-accent-tint);
  border: 1px solid var(--csj-accent-border);
}

.csj-nav-link-official:hover {
  background-color: #ccfbf1;
  color: var(--csj-accent-hover);
}

/* ==========================================================================
   HERO / ARTICLE HEADER
   ========================================================================== */

.csj-hero {
  padding: 48px 0 28px;
}

.csj-category-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--csj-accent-tint);
  color: var(--csj-accent);
  border: 1px solid var(--csj-accent-border);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--csj-radius-full);
  margin-bottom: 20px;
}

.csj-category-tag svg {
  width: 14px;
  height: 14px;
}

.csj-hero-title {
  font-family: var(--csj-font-heading);
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.6px;
  color: var(--csj-text-primary);
  margin-bottom: 20px;
}

.csj-hero-lede {
  font-size: 1.16rem;
  line-height: 1.68;
  color: var(--csj-text-secondary);
  margin-bottom: 24px;
}

/* Editorial Metadata Stamp */
.csj-meta-stamp {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding: 14px 18px;
  background-color: var(--csj-card);
  border: 1px solid var(--csj-surface-border);
  border-radius: var(--csj-radius-md);
  font-size: 0.86rem;
  color: var(--csj-text-secondary);
  box-shadow: var(--csj-shadow-xs);
  margin-bottom: 32px;
}

.csj-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.csj-meta-item svg {
  width: 15px;
  height: 15px;
  color: var(--csj-text-muted);
  flex-shrink: 0;
}

.csj-meta-item b,
.csj-meta-item strong {
  color: var(--csj-text-primary);
  font-weight: 600;
}

.csj-meta-divider {
  color: var(--csj-surface-border);
}

.csj-badge-editorial {
  background-color: #f1f5f9;
  color: var(--csj-text-primary);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 9px;
  border-radius: var(--csj-radius-sm);
  border: 1px solid var(--csj-surface-border);
}

/* ==========================================================================
   TABLE OF CONTENTS ("In this guide")
   ========================================================================== */

.csj-toc {
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfd 100%);
  border: 1px solid var(--csj-surface-border);
  border-radius: var(--csj-radius-lg);
  padding: 24px 28px;
  margin: 32px 0 44px;
  box-shadow: var(--csj-shadow-xs);
  position: relative;
  overflow: hidden;
}

.csj-toc::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--csj-accent), var(--csj-accent-light));
}

.csj-toc-header {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--csj-surface-border);
}

.csj-toc-header svg {
  width: 18px;
  height: 18px;
  color: var(--csj-accent);
}

.csj-toc-title {
  font-family: var(--csj-font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--csj-text-primary);
}

.csj-toc-list {
  list-style: none;
  counter-reset: toc-counter;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.csj-toc-item {
  counter-increment: toc-counter;
  position: relative;
  padding-left: 28px;
}

.csj-toc-item::before {
  content: counter(toc-counter) ".";
  position: absolute;
  left: 0;
  top: 1px;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--csj-font-mono);
  color: var(--csj-accent);
}

.csj-toc-link {
  color: var(--csj-text-secondary);
  font-size: 0.96rem;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  transition: color 0.15s ease, transform 0.15s ease;
}

.csj-toc-link:hover {
  color: var(--csj-accent-hover);
  text-decoration: underline;
  transform: translateX(2px);
}

/* ==========================================================================
   ARTICLE CONTENT & TYPOGRAPHY
   ========================================================================== */

.csj-article {
  background-color: var(--csj-card);
  border: 1px solid var(--csj-surface-border);
  border-radius: var(--csj-radius-xl);
  padding: 40px 48px;
  box-shadow: var(--csj-shadow-sm);
  margin-bottom: 60px;
}

.csj-article h2 {
  font-family: var(--csj-font-heading);
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  line-height: 1.3;
  color: var(--csj-text-primary);
  margin: 48px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--csj-surface-border);
  scroll-margin-top: 90px;
}

.csj-article h2:first-of-type {
  margin-top: 16px;
}

.csj-article h3 {
  font-family: var(--csj-font-heading);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--csj-text-primary);
  margin: 32px 0 12px;
  scroll-margin-top: 90px;
}

.csj-article p {
  margin-bottom: 18px;
  color: var(--csj-text-secondary);
  font-size: 1.02rem;
  line-height: 1.78;
}

.csj-article strong,
.csj-article b {
  color: var(--csj-text-primary);
  font-weight: 600;
}

.csj-article ul,
.csj-article ol {
  margin: 0 0 24px;
  padding-left: 24px;
}

.csj-article li {
  margin-bottom: 10px;
  color: var(--csj-text-secondary);
  line-height: 1.7;
}

.csj-article code {
  font-family: var(--csj-font-mono);
  font-size: 0.88em;
  background-color: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 2px 6px;
  border-radius: 4px;
  color: #0f172a;
}

/* ==========================================================================
   CALLOUTS & NOTICES
   ========================================================================== */

.csj-callout {
  background-color: var(--csj-surface-muted);
  border: 1px solid var(--csj-surface-border);
  border-left: 4px solid var(--csj-accent);
  border-radius: var(--csj-radius-md);
  padding: 20px 24px;
  margin: 28px 0;
  position: relative;
}

.csj-callout-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.csj-callout-header svg {
  width: 19px;
  height: 19px;
  color: var(--csj-accent);
  flex-shrink: 0;
}

.csj-callout-title {
  font-family: var(--csj-font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--csj-text-primary);
}

.csj-callout p:last-child {
  margin-bottom: 0;
}

/* Callout Variants */
.csj-callout-warn {
  background-color: var(--csj-warn-bg);
  border-color: var(--csj-warn-border);
  border-left-color: var(--csj-warn-accent);
}

.csj-callout-warn .csj-callout-header svg {
  color: var(--csj-warn-accent);
}

.csj-callout-warn .csj-callout-title {
  color: var(--csj-warn-text);
}

.csj-callout-danger {
  background-color: var(--csj-danger-bg);
  border-color: var(--csj-danger-border);
  border-left-color: var(--csj-danger-accent);
}

.csj-callout-danger .csj-callout-header svg {
  color: var(--csj-danger-accent);
}

.csj-callout-danger .csj-callout-title {
  color: var(--csj-danger-text);
}

.csj-callout-info {
  background-color: var(--csj-info-bg);
  border-color: var(--csj-info-border);
  border-left-color: var(--csj-info-accent);
}

.csj-callout-info .csj-callout-header svg {
  color: var(--csj-info-accent);
}

.csj-callout-info .csj-callout-title {
  color: var(--csj-info-text);
}

/* ==========================================================================
   OFFICIAL HIGHLIGHT / CTA CARD
   ========================================================================== */

.csj-official-banner {
  background: linear-gradient(145deg, #f0fdfa 0%, #e6fffa 50%, #ccfbf1 100%);
  border: 1px solid #99f6e4;
  border-radius: var(--csj-radius-lg);
  padding: 34px 32px;
  margin: 36px 0;
  text-align: center;
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.08);
  position: relative;
  overflow: hidden;
}

.csj-official-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: #ffffff;
  color: var(--csj-accent);
  border: 1px solid #5eead4;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  padding: 4px 12px;
  border-radius: var(--csj-radius-full);
  margin-bottom: 14px;
}

.csj-official-title {
  font-family: var(--csj-font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: #115e59;
  margin-bottom: 10px;
}

.csj-official-desc {
  font-size: 1.02rem;
  color: #0f766e;
  max-width: 600px;
  margin: 0 auto 22px;
  line-height: 1.6;
}

.csj-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--csj-font-heading);
  font-size: 1.04rem;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: var(--csj-radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.18s ease;
  border: none;
}

.csj-btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.csj-btn-primary {
  background: linear-gradient(135deg, var(--csj-accent) 0%, #0891b2 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.28);
}

.csj-btn-primary:hover {
  background: linear-gradient(135deg, var(--csj-accent-hover) 0%, #0e7490 100%);
  box-shadow: 0 6px 16px rgba(15, 118, 110, 0.35);
  color: #ffffff;
}

.csj-btn-secondary {
  background-color: #ffffff;
  color: var(--csj-text-primary);
  border: 1px solid var(--csj-surface-border);
}

.csj-btn-secondary:hover {
  background-color: var(--csj-surface-muted);
  border-color: var(--csj-text-muted);
}

.csj-official-note {
  display: block;
  font-size: 0.81rem;
  color: #0f766e;
  margin-top: 14px;
}

/* ==========================================================================
   FEATURE CARDS & GRIDS
   ========================================================================== */

.csj-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin: 28px 0;
}

.csj-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 28px 0;
}

.csj-card-item {
  background-color: #ffffff;
  border: 1px solid var(--csj-surface-border);
  border-radius: var(--csj-radius-md);
  padding: 20px;
  box-shadow: var(--csj-shadow-xs);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.csj-card-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--csj-shadow-md);
  border-color: #cbd5e1;
}

.csj-card-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background-color: var(--csj-accent-tint);
  color: var(--csj-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.csj-card-icon svg {
  width: 20px;
  height: 20px;
}

.csj-card-title {
  font-family: var(--csj-font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--csj-text-primary);
  margin-bottom: 8px;
}

.csj-card-text {
  font-size: 0.92rem;
  color: var(--csj-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

/* Red Flags List */
.csj-flag-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.csj-flag-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background-color: #ffffff;
  border: 1px solid #fee2e2;
  border-left: 3px solid var(--csj-danger-accent);
  border-radius: var(--csj-radius-sm);
  padding: 14px 16px;
  font-size: 0.96rem;
  color: var(--csj-text-primary);
}

.csj-flag-item svg {
  width: 18px;
  height: 18px;
  color: var(--csj-danger-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ==========================================================================
   NUMBERED PROCESS & TIMELINE STEPS
   ========================================================================== */

.csj-steps {
  list-style: none;
  padding: 0;
  margin: 28px 0;
  position: relative;
}

.csj-step {
  position: relative;
  padding: 0 0 28px 56px;
}

.csj-step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 38px;
  bottom: 0;
  width: 2px;
  background-color: var(--csj-surface-border);
}

.csj-step:last-child::before {
  display: none;
}

.csj-step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--csj-accent), #0891b2);
  color: #ffffff;
  font-family: var(--csj-font-heading);
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(15, 118, 110, 0.3);
}

.csj-step-title {
  font-family: var(--csj-font-heading);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--csj-text-primary);
  margin-bottom: 6px;
}

.csj-step-desc {
  font-size: 0.98rem;
  color: var(--csj-text-secondary);
  line-height: 1.68;
  margin-bottom: 10px;
}

.csj-step-sublist {
  list-style: disc;
  margin: 8px 0 0 20px;
  padding: 0;
}

.csj-step-sublist li {
  margin-bottom: 6px;
  font-size: 0.94rem;
}

/* OS Installation Cards */
.csj-os-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0 32px;
}

.csj-os-card {
  background-color: var(--csj-surface-muted);
  border: 1px solid var(--csj-surface-border);
  border-radius: var(--csj-radius-md);
  padding: 20px;
}

.csj-os-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--csj-font-heading);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--csj-text-primary);
  margin-bottom: 12px;
}

.csj-os-header svg {
  width: 20px;
  height: 20px;
  color: var(--csj-accent);
}

.csj-os-card ol {
  padding-left: 18px;
  margin: 0;
}

.csj-os-card li {
  font-size: 0.91rem;
  line-height: 1.6;
  margin-bottom: 8px;
}

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

.csj-table-wrapper {
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--csj-surface-border);
  border-radius: var(--csj-radius-md);
  background-color: #ffffff;
  box-shadow: var(--csj-shadow-xs);
}

.csj-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
  text-align: left;
}

.csj-table th {
  background-color: #f8fafc;
  color: var(--csj-text-primary);
  font-family: var(--csj-font-heading);
  font-weight: 700;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--csj-surface-border);
}

.csj-table td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--csj-surface-border);
  color: var(--csj-text-secondary);
  line-height: 1.6;
}

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

.csj-table tr:hover td {
  background-color: #fbfcfd;
}

.csj-table td strong {
  color: var(--csj-text-primary);
}

/* ==========================================================================
   ACCORDION FAQS
   ========================================================================== */

.csj-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0;
}

.csj-faq-item {
  background-color: #ffffff;
  border: 1px solid var(--csj-surface-border);
  border-radius: var(--csj-radius-md);
  box-shadow: var(--csj-shadow-xs);
  transition: border-color 0.15s ease;
  overflow: hidden;
}

.csj-faq-item[open] {
  border-color: #cbd5e1;
}

.csj-faq-summary {
  padding: 16px 20px;
  font-family: var(--csj-font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--csj-text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  user-select: none;
  transition: background-color 0.15s ease;
}

.csj-faq-summary::-webkit-details-marker {
  display: none;
}

.csj-faq-summary:hover {
  background-color: var(--csj-surface-muted);
}

.csj-faq-icon {
  width: 20px;
  height: 20px;
  color: var(--csj-accent);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.csj-faq-item[open] .csj-faq-icon {
  transform: rotate(180deg);
}

.csj-faq-answer {
  padding: 0 20px 20px;
  color: var(--csj-text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
}

.csj-faq-answer p:last-child {
  margin-bottom: 0;
}

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

.csj-footer {
  background-color: #ffffff;
  border-top: 1px solid var(--csj-surface-border);
  padding: 48px 0 36px;
  color: var(--csj-text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
}

.csj-footer-inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.csj-footer p {
  margin-bottom: 12px;
}

.csj-footer strong {
  color: var(--csj-text-primary);
}

.csj-footer-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--csj-surface-border);
  margin-top: 6px;
}

.csj-footer-nav a {
  color: var(--csj-text-muted);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 768px) {
  .csj-hero-title {
    font-size: 1.95rem;
  }
  
  .csj-article {
    padding: 28px 20px;
    border-radius: var(--csj-radius-lg);
  }
  
  .csj-grid-2,
  .csj-grid-3,
  .csj-os-cards {
    grid-template-columns: 1fr;
  }
  
  .csj-nav-wrapper {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .csj-nav-menu {
    flex-wrap: wrap;
    width: 100%;
  }
  
  .csj-nav-link {
    padding: 6px 10px;
    font-size: 0.88rem;
  }
  
  .csj-official-banner {
    padding: 24px 18px;
  }
  
  .csj-official-title {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .csj-container,
  .csj-container-wide {
    padding: 0 16px;
  }

  .csj-hero-title {
    font-size: 1.7rem;
  }

  .csj-article h2 {
    font-size: 1.4rem;
  }
  
  .csj-meta-stamp {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .csj-meta-divider {
    display: none;
  }
}