/* ==========================================================================
   FIXLOG — FIELD MANUAL DESIGN SYSTEM & STYLESHEET
   Style: Practical Technical Field Manual (Clean, Trustworthy, Fast-Loading)
   ========================================================================== */

/* 1. GOOGLE FONTS */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@600;700;800;900&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* 2. DESIGN TOKENS */
:root {
  --bg-page: #F6F5F1;
  --bg-card: #FFFFFF;
  --bg-card-muted: #EEEEA;
  --bg-tint: #ECEAE3;
  --bg-code: #1B1D1F;

  --text-main: #1B1D1F;
  --text-muted: #5C626A;
  --text-subtle: #7E8691;

  --accent-blue: #1E5AA8;
  --accent-blue-hover: #164684;
  --accent-blue-light: rgba(30, 90, 168, 0.08);

  --accent-amber: #D97B0A;
  --accent-amber-hover: #B86504;
  --accent-amber-light: rgba(217, 123, 10, 0.12);

  --border-color: #DCD9D0;
  --border-dark: #B8B3A6;
  --border-focus: #1E5AA8;

  --font-headings: 'Archivo', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --max-width: 960px;
  --max-width-wide: 1040px;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;

  --max-w: 760px;
  --ink-soft: var(--text-muted);
  --shadow-subtle: 0 1px 3px rgba(27, 29, 31, 0.05);
  --shadow-border: 0 1px 0 rgba(27, 29, 31, 0.06);
}

/* 3. BASE & RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  color: var(--text-main);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-blue-hover);
}

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

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

ul, ol {
  list-style-position: inside;
}

/* 4. SITE HEADER & NAVIGATION */
.site-header {
  background: var(--bg-page);
  border-bottom: 2px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-headings);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text-main);
  letter-spacing: -0.03em;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-mark img,
.logo-mark svg {
  width: 100%;
  height: 100%;
  display: block;
}

.logo-name {
  display: inline-block;
  color: var(--text-main);
}

.site-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-tint);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  color: var(--text-main);
}

.nav-links a.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-cta {
  background: var(--accent-blue);
  color: #FFFFFF !important;
  font-size: 0.84rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: background 0.15s ease;
}

.btn-cta:hover {
  background: var(--accent-blue-hover);
  border-color: var(--accent-blue-hover);
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.6rem;
  font-size: 1rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

/* 5. HERO SECTION */
.hero {
  max-width: var(--max-width);
  margin: 3rem auto 2rem;
  padding: 0 1.5rem;
}

.hero-meta-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-amber);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 2.85rem);
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 0.85rem;
  letter-spacing: -0.035em;
}

.hero .lede {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.55;
  margin-bottom: 1.75rem;
}

/* Search Bar (Field-Manual Utility Style) */
.search-container {
  max-width: 680px;
  margin-bottom: 1.75rem;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 0.9rem;
  color: var(--text-subtle);
  font-size: 0.95rem;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.75rem 3rem 0.75rem 2.6rem;
  background: var(--bg-card);
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
  box-shadow: var(--shadow-subtle);
  transition: border-color 0.15s ease;
}

.search-input:focus {
  border-color: var(--border-focus);
  outline: none;
}

.search-shortcut {
  position: absolute;
  right: 0.75rem;
  background: var(--bg-tint);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-xs);
  pointer-events: none;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

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

.stat-value {
  font-family: var(--font-headings);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 6. LOG SECTION & FILTER TABS */
.log {
  max-width: var(--max-width);
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
  width: 100%;
}

.log-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--text-main);
}

.log-heading h2 {
  font-size: 1.35rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.log-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-tint);
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
}

/* Category Filter Tabs */
.filter-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-btn:hover {
  background: var(--bg-tint);
  color: var(--text-main);
  border-color: var(--border-dark);
}

.filter-btn.active {
  background: var(--text-main);
  color: #FFFFFF;
  border-color: var(--text-main);
}

/* 7. ARTICLE CARDS / LIST */
.guide-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.entry {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.4rem;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.4rem;
  align-items: baseline;
  box-shadow: var(--shadow-subtle);
  transition: border-color 0.15s ease;
}

.entry:hover {
  border-color: var(--accent-blue);
}

.entry .tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-xs);
  display: inline-block;
  text-align: center;
  border: 1px solid var(--border-color);
  background: var(--bg-tint);
  color: var(--text-main);
}

.tag.tag-windows {
  border-color: rgba(30, 90, 168, 0.3);
  color: var(--accent-blue);
  background: var(--accent-blue-light);
}

.tag.tag-macos {
  border-color: rgba(147, 51, 234, 0.3);
  color: #7e22ce;
  background: rgba(147, 51, 234, 0.08);
}

.tag.tag-android {
  border-color: rgba(5, 150, 105, 0.3);
  color: #047857;
  background: rgba(5, 150, 105, 0.08);
}

.tag.tag-chrome {
  border-color: rgba(217, 123, 10, 0.3);
  color: var(--accent-amber);
  background: var(--accent-amber-light);
}

.tag.tag-vpn {
  border-color: rgba(30, 90, 168, 0.35);
  color: var(--accent-blue);
  background: var(--accent-blue-light);
}

.entry .body h3 {
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  line-height: 1.35;
}

.entry .body h3 a {
  color: var(--text-main);
}

.entry .body h3 a:hover {
  color: var(--accent-blue);
  text-decoration: underline;
}

.entry .meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.entry .body p:not(.meta) {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Empty State */
.empty-state {
  display: none;
  background: var(--bg-card);
  border: 1px dashed var(--border-dark);
  padding: 3rem 1.5rem;
  text-align: center;
  border-radius: var(--radius-sm);
}

/* 8. ARTICLE DETAIL / TUTORIAL TEMPLATE */
.article-wrap {
  max-width: 800px;
  margin: 2.5rem auto 4.5rem;
  padding: 0 1.5rem;
  width: 100%;
}

.article-wrap h1 {
  font-size: clamp(1.9rem, 3.8vw, 2.5rem);
  font-weight: 900;
  margin-bottom: 0.6rem;
  letter-spacing: -0.03em;
}

.article-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 1.25rem;
  margin-bottom: 1.75rem;
}

.article-wrap p {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-main);
  margin-bottom: 1.25rem;
}

/* Monetag Native Ad Slot */
.ad-slot-native {
  display: block;
  width: 100%;
  max-width: var(--max-w);
  margin: 1.5em auto;
  text-align: center;
  position: relative;
  min-height: 20px;
  clear: both;
}

.ad-slot-native::before {
  content: "Advertisement";
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5em;
  text-align: center;
}

.article-wrap h2 {
  font-size: 1.35rem;
  font-weight: 800;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.02em;
}

.fix-marker {
  background: var(--bg-card);
  border-left: 4px solid var(--accent-amber);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0 2rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.95rem;
  color: var(--text-main);
}

.fix-marker code,
.article-wrap :not(pre) > code {
  font-family: var(--font-mono);
  background: var(--bg-tint);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
}

/* Command Snippet & Terminal Palette */
.code-block {
  background: #1B1D1F;
  border: 1px solid #33373D;
  border-radius: var(--radius-xs);
  margin: 1.25rem 0;
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.9rem;
  background: #25282C;
  border-bottom: 1px solid #383D44;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: #9EA5B0;
}

.copy-btn {
  background: #363B42;
  color: #F6F5F1;
  border: 1px solid #484E57;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.copy-btn:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #FFFFFF;
}

.code-block pre {
  padding: 0.95rem 1rem;
  overflow-x: auto;
  margin: 0;
  background: #1B1D1F;
}

.code-block pre code,
pre code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #F6F5F1 !important;
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  box-shadow: none !important;
  display: block;
  white-space: pre;
  line-height: 1.5;
}

.steps {
  list-style: none;
  counter-reset: step-counter;
  padding: 0;
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.steps > li {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.4rem;
  box-shadow: var(--shadow-subtle);
}

.steps > li h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.steps > li p {
  margin-bottom: 0;
  color: var(--text-main);
  font-size: 0.95rem;
}

.article-page {
  max-width: 820px;
  margin: 2.5rem auto 4.5rem;
  padding: 0 1.5rem;
  width: 100%;
}

.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-subtle);
  margin-bottom: 1.25rem;
}

.breadcrumbs a {
  color: var(--text-muted);
}

.breadcrumbs a:hover {
  color: var(--accent-blue);
}

.breadcrumbs .sep {
  margin: 0 0.4rem;
  color: var(--border-dark);
}

.article-header {
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 1.75rem;
  margin-bottom: 2rem;
}

.article-header h1 {
  font-size: clamp(1.9rem, 3.8vw, 2.5rem);
  font-weight: 900;
  margin: 0.75rem 0 0.85rem;
  letter-spacing: -0.03em;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Fast Diagnosis / TL;DR Box */
.tldr-box {
  background: var(--bg-card);
  border-left: 4px solid var(--accent-amber);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 1.4rem;
  margin-bottom: 2.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.tldr-title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-amber);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
}

.tldr-box ul {
  padding-left: 1.2rem;
  color: var(--text-main);
  font-size: 0.95rem;
}

.tldr-box li {
  margin-bottom: 0.35rem;
}

/* Step Cards */
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.75rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-subtle);
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: #FFFFFF;
  background: var(--accent-amber);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-xs);
  letter-spacing: 0.05em;
}

.step-checkbox-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.step-card h2 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.65rem;
  letter-spacing: -0.015em;
}

.step-card p {
  color: var(--text-main);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* Callout Box */
.callout-box {
  background: var(--bg-tint);
  border-left: 3px solid var(--accent-blue);
  padding: 0.9rem 1.1rem;
  font-size: 0.9rem;
  color: var(--text-main);
  margin: 1rem 0;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
}

/* Feedback Box */
.feedback-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  text-align: center;
  border-radius: var(--radius-sm);
  margin-top: 2.5rem;
}

.feedback-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.feedback-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 1rem;
}

.feedback-buttons {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

.btn-vote {
  background: var(--bg-page);
  border: 1px solid var(--border-dark);
  color: var(--text-main);
  font-weight: 600;
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
}

.btn-vote:hover {
  background: var(--accent-blue);
  color: #FFFFFF;
  border-color: var(--accent-blue);
}

/* 9. ABOUT, CONTACT & PRIVACY PAGES */
.page-container {
  max-width: 780px;
  margin: 3rem auto 4.5rem;
  padding: 0 1.5rem;
  width: 100%;
}

.page-header {
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 1.75rem;
  margin-bottom: 2.25rem;
}

.page-header h1 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 900;
  margin-bottom: 0.6rem;
  letter-spacing: -0.03em;
}

.page-header p {
  font-size: 1.08rem;
  color: var(--text-muted);
}

.content-block {
  margin-bottom: 2.5rem;
}

.content-block h2 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.content-block p {
  font-size: 0.98rem;
  color: var(--text-main);
  line-height: 1.65;
  margin-bottom: 1rem;
}

/* Pillars Grid (About Page) */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.75rem 0;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
}

.pillar-card .pillar-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

.pillar-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.pillar-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

/* Contact Form */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: var(--radius-sm);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-control {
  width: 100%;
  padding: 0.7rem 0.85rem;
  background: var(--bg-page);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-xs);
  color: var(--text-main);
  font-size: 0.95rem;
}

.form-control:focus {
  border-color: var(--accent-blue);
  background: #FFFFFF;
  outline: none;
}

textarea.form-control {
  min-height: 110px;
  resize: vertical;
}

.btn-submit {
  width: 100%;
  padding: 0.8rem;
  background: var(--accent-blue);
  color: #FFFFFF;
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-submit:hover {
  background: var(--accent-blue-hover);
}

.form-alert {
  display: none;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-xs);
  margin-top: 1rem;
  font-size: 0.88rem;
}

.form-alert.success {
  display: block;
  background: #E6F4EA;
  border: 1px solid #A8DAB5;
  color: #137333;
}

/* FAQ Accordion */
.faq-item {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  margin-bottom: 0.6rem;
  border-radius: var(--radius-xs);
}

.faq-question {
  width: 100%;
  padding: 0.9rem 1.1rem;
  text-align: left;
  background: none;
  border: none;
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--text-main);
}

.faq-answer {
  display: none;
  padding: 0 1.1rem 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.faq-item.open .faq-answer {
  display: block;
}

.feedback-response {
  padding: 0.75rem 0;
}

.feedback-response-title {
  color: var(--accent-blue);
  font-family: var(--font-headings);
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.feedback-response-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* Keyboard Shortcut Element */
kbd {
  background: var(--bg-tint);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-main);
}

.article-step-list {
  padding-left: 1.4rem;
  color: var(--text-main);
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-back-wrapper {
  margin-top: 2.5rem;
  text-align: center;
}

.faq-section {
  margin-top: 3.5rem;
}

.faq-section h2 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
}

/* 10. SITE FOOTER */
.site-footer {
  margin-top: auto;
  border-top: 2px solid var(--border-color);
  background: var(--bg-page);
  padding: 2.25rem 1.5rem;
}

.footer-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  font-weight: 500;
}

.footer-links a:hover {
  color: var(--accent-blue);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--text-main);
  color: #FFFFFF;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all 0.2s ease;
  z-index: 9999;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* 11. RESPONSIVE */
@media (max-width: 768px) {
  .nav-inner {
    padding: 0.75rem 1rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-page);
    border-bottom: 2px solid var(--border-color);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
    box-shadow: var(--shadow-subtle);
  }

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

  .mobile-nav-toggle {
    display: block;
  }

  .hero {
    margin: 2rem auto 1.5rem;
  }

  .entry {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .hero-stats {
    gap: 1.25rem;
  }

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