/* ============================================
   OfficeWise - Main Stylesheet
   "Work smarter with the right tools"
   ============================================ */

:root {
  /* Brand Palette */
  --office-blue: #2B579A;
  --office-blue-light: #3A6BB8;
  --office-blue-dark: #1E3F73;
  --fresh-green: #107C41;
  --fresh-green-light: #1A9B53;
  --fresh-green-dark: #0B5630;
  --warm-white: #FAFAFA;
  --dark-gray: #323130;
  --soft-amber: #FFB900;
  --soft-amber-light: #FFCB45;

  /* Derived Colors */
  --text-primary: #323130;
  --text-secondary: #605E5C;
  --text-muted: #8A8886;
  --bg-primary: #FFFFFF;
  --bg-secondary: #FAFAFA;
  --bg-tertiary: #F3F2F1;
  --border-color: #E1DFDD;
  --border-color-light: #EDEBE9;

  /* Semantic */
  --link-color: #2B579A;
  --link-hover: #1E3F73;

  /* Typography */
  --font-display: 'Figtree', sans-serif;
  --font-body: 'Inter', sans-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;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --max-width: 1200px;
  --content-width: 760px;
  --nav-height: 72px;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1.2rem; }

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

a:hover { color: var(--link-hover); }

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

ul, ol { margin-bottom: 1.2rem; padding-left: 1.5rem; }

li { margin-bottom: 0.5rem; }

strong { font-weight: 600; }

blockquote {
  border-left: 4px solid var(--fresh-green);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--bg-secondary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
  font-style: italic;
}

code {
  font-family: 'Courier New', monospace;
  background: var(--bg-tertiary);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

pre {
  background: var(--dark-gray);
  color: #E1DFDD;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1.5rem 0;
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background: var(--bg-tertiary);
  font-weight: 600;
  font-family: var(--font-display);
}

tr:hover { background: var(--bg-secondary); }

hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2.5rem 0;
}

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

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

.section {
  padding: var(--space-4xl) 0;
}

.section-sm {
  padding: var(--space-3xl) 0;
}

.text-center { text-align: center; }
.text-green { color: var(--fresh-green); }
.text-blue { color: var(--office-blue); }
.text-amber { color: var(--soft-amber); }
.bg-secondary { background: var(--bg-secondary); }
.bg-tertiary { background: var(--bg-tertiary); }
.bg-blue { background: var(--office-blue); }
.bg-green { background: var(--fresh-green); }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--office-blue);
  color: #fff;
}

.btn-primary:hover {
  background: var(--office-blue-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--fresh-green);
  color: #fff;
}

.btn-secondary:hover {
  background: var(--fresh-green-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  border-color: var(--office-blue);
  color: var(--office-blue);
}

.btn-outline:hover {
  background: var(--office-blue);
  color: #fff;
  transform: translateY(-2px);
}

.btn-amber {
  background: var(--soft-amber);
  color: var(--dark-gray);
}

.btn-amber:hover {
  background: var(--soft-amber-light);
  color: var(--dark-gray);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg { padding: 1rem 2.25rem; font-size: 1.1rem; }

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color-light);
  transition: box-shadow var(--transition-base);
}

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

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover { color: var(--text-primary); }

.logo-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.logo-text {
  letter-spacing: -0.03em;
}

.logo-text span { color: var(--office-blue); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-menu a {
  display: block;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--office-blue);
  background: var(--bg-tertiary);
}

.nav-menu a.active {
  color: var(--office-blue);
  font-weight: 600;
}

.nav-cta {
  margin-left: 0.5rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 968px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-lg);
    gap: 0.25rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

  .nav-menu.open { transform: translateX(0); }

  .nav-menu a {
    padding: 0.85rem 1rem;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border-color-light);
    border-radius: 0;
  }

  .nav-cta { margin: 1rem 0 0; }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  padding: var(--space-4xl) 0 var(--space-3xl);
  background: linear-gradient(135deg, #FAFAFA 0%, #F0F4FA 50%, #F0F8F3 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(43, 87, 154, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 124, 65, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 124, 65, 0.08);
  color: var(--fresh-green-dark);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
}

.hero-eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--fresh-green);
  border-radius: 50%;
}

.hero h1 {
  margin-bottom: var(--space-lg);
}

.hero h1 .highlight {
  color: var(--office-blue);
  position: relative;
}

.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 8px;
  background: var(--soft-amber);
  opacity: 0.3;
  z-index: -1;
  border-radius: 4px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
}

.hero-illustration {
  width: 100%;
  max-width: 520px;
  margin-left: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.12));
  animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 360px; margin: 0 auto; }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-3xl);
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fresh-green);
  margin-bottom: var(--space-sm);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.section-header.left {
  text-align: left;
  margin-left: 0;
}

/* ============================================
   Featured Guide
   ============================================ */
.featured-guide {
  background: linear-gradient(135deg, var(--office-blue) 0%, var(--office-blue-dark) 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  margin-bottom: var(--space-3xl);
}

.featured-guide::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 185, 0, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.featured-content {
  padding: var(--space-3xl);
  color: #fff;
  position: relative;
  z-index: 1;
}

.featured-content .section-eyebrow {
  color: var(--soft-amber-light);
}

.featured-content h2 {
  color: #fff;
  margin-bottom: var(--space-md);
}

.featured-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
}

.featured-visual {
  padding: var(--space-3xl);
  display: flex;
  justify-content: center;
}

.featured-visual svg {
  max-width: 280px;
  width: 100%;
}

@media (max-width: 768px) {
  .featured-guide { grid-template-columns: 1fr; }
  .featured-content, .featured-visual { padding: var(--space-xl); }
}

/* ============================================
   Category Cards
   ============================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.category-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  display: block;
  text-decoration: none;
  color: inherit;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--office-blue-light);
  color: inherit;
}

.category-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.category-icon svg { width: 28px; height: 28px; }

.category-icon.blue { background: rgba(43, 87, 154, 0.1); color: var(--office-blue); }
.category-icon.green { background: rgba(16, 124, 65, 0.1); color: var(--fresh-green); }
.category-icon.amber { background: rgba(255, 185, 0, 0.15); color: #C77E00; }
.category-icon.gray { background: rgba(50, 49, 48, 0.08); color: var(--dark-gray); }

.category-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.category-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.category-card .read-more {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--office-blue);
}

.category-card .read-more::after {
  content: ' →';
  transition: transform var(--transition-fast);
  display: inline-block;
}

.category-card:hover .read-more::after {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .category-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Article Cards
   ============================================ */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.article-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--office-blue-light);
  color: inherit;
}

.article-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.article-card-image svg { width: 100%; height: 100%; }

.article-card-body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fresh-green);
  margin-bottom: var(--space-sm);
}

.article-card h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
  line-height: 1.35;
}

.article-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: var(--space-md);
  flex: 1;
}

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

.article-card-meta span:not(:last-child)::after {
  content: '·';
  margin-left: var(--space-sm);
}

@media (max-width: 968px) {
  .article-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .article-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Comparison Section
   ============================================ */
.comparison-section {
  background: var(--bg-secondary);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.comparison-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
}

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

.comparison-card.featured {
  border-color: var(--office-blue);
  border-width: 2px;
}

.comparison-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--office-blue);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 1rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.comparison-card h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
}

.comparison-card .price {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--office-blue);
  margin: var(--space-sm) 0;
}

.comparison-card .price span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.comparison-card ul {
  list-style: none;
  padding: 0;
  text-align: left;
  margin: var(--space-lg) 0;
}

.comparison-card li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color-light);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.92rem;
}

.comparison-card li::before {
  content: '✓';
  color: var(--fresh-green);
  font-weight: 700;
  flex-shrink: 0;
}

@media (max-width: 968px) {
  .comparison-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

/* ============================================
   Tool Tips Section
   ============================================ */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.tip-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.tip-item:hover {
  background: var(--bg-tertiary);
  transform: translateX(4px);
}

.tip-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--office-blue);
  opacity: 0.3;
  flex-shrink: 0;
  min-width: 40px;
}

.tip-item h4 {
  margin-bottom: 0.25rem;
}

.tip-item p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .tips-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Courses Section
   ============================================ */
.courses-section {
  background: linear-gradient(180deg, var(--warm-white) 0%, #fff 100%);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.course-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.course-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.course-image svg { width: 100%; height: 100%; }

.course-body {
  padding: var(--space-lg);
}

.course-level {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.course-level.beginner { background: rgba(16, 124, 65, 0.1); color: var(--fresh-green-dark); }
.course-level.intermediate { background: rgba(255, 185, 0, 0.15); color: #C77E00; }
.course-level.advanced { background: rgba(43, 87, 154, 0.1); color: var(--office-blue); }

.course-body h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.course-body p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.course-meta {
  display: flex;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (max-width: 968px) {
  .course-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .course-grid { grid-template-columns: 1fr; }
}

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--fresh-green) 0%, var(--fresh-green-dark) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  left: -60px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 185, 0, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.15rem;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta-banner .btn { position: relative; z-index: 1; }

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--dark-gray);
  color: #C8C6C4;
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand .logo { color: #fff; margin-bottom: var(--space-md); }
.footer-brand .logo span { color: var(--soft-amber-light); }
.footer-brand p { font-size: 0.92rem; color: #A19F9D; max-width: 320px; }

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-family: var(--font-display);
  margin-bottom: var(--space-md);
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col li { margin-bottom: 0.6rem; }

.footer-col a {
  color: #C8C6C4;
  font-size: 0.92rem;
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: #A19F9D;
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-legal a {
  font-size: 0.85rem;
  color: #A19F9D;
}

.footer-legal a:hover { color: #fff; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Page Headers (interior pages)
   ============================================ */
.page-header {
  background: linear-gradient(135deg, var(--warm-white) 0%, #F0F4FA 100%);
  padding: var(--space-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(43, 87, 154, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.page-header h1 {
  position: relative;
  margin-bottom: var(--space-md);
}

.page-header p {
  position: relative;
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  justify-content: center;
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--office-blue); }
.breadcrumb span { color: var(--text-secondary); }

/* ============================================
   Blog Index / Learn Page
   ============================================ */
.filter-bar {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-full);
  background: #fff;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  border-color: var(--office-blue);
  color: var(--office-blue);
  background: rgba(43, 87, 154, 0.05);
}

/* ============================================
   Article Page Layout
   ============================================ */
.article-header {
  padding: var(--space-3xl) 0 var(--space-xl);
  background: linear-gradient(180deg, var(--warm-white) 0%, #fff 100%);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.88rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-tag {
  display: inline-block;
  background: rgba(16, 124, 65, 0.08);
  color: var(--fresh-green-dark);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.article-header h1 {
  margin-bottom: var(--space-md);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.article-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.article-hero-image {
  width: 100%;
  aspect-ratio: 21 / 9;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-xl);
}

.article-hero-image svg { width: 100%; height: 100%; }

.article-body {
  padding: var(--space-xl) 0 var(--space-3xl);
}

.article-body h2 {
  margin-top: 2.5rem;
  margin-bottom: var(--space-md);
}

.article-body h3 {
  margin-top: 2rem;
  margin-bottom: var(--space-sm);
}

.article-body p { font-size: 1.05rem; line-height: 1.8; }

.article-body ul, .article-body ol { font-size: 1.05rem; line-height: 1.8; }

.article-body li { margin-bottom: 0.6rem; }

.article-body img {
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
}

.callout {
  background: rgba(255, 185, 0, 0.08);
  border-left: 4px solid var(--soft-amber);
  padding: var(--space-lg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
}

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

.callout-title {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--dark-gray);
  margin-bottom: 0.5rem;
}

.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin: 2rem 0;
}

.pros, .cons {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
}

.pros { background: rgba(16, 124, 65, 0.06); }
.cons { background: rgba(43, 87, 154, 0.06); }

.pros h4, .cons h4 { margin-bottom: var(--space-sm); }
.pros h4 { color: var(--fresh-green-dark); }
.cons h4 { color: var(--office-blue-dark); }

.pros ul, .cons ul { font-size: 0.95rem; padding-left: 1.2rem; }
.pros li::marker, .cons li::marker { color: currentColor; }

@media (max-width: 640px) {
  .pros-cons { grid-template-columns: 1fr; }
}

.article-footer {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-xl);
  margin-top: var(--space-2xl);
}

.author-box {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
}

.author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--office-blue), var(--fresh-green));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.author-info h4 { margin-bottom: 0.1rem; }
.author-info p { font-size: 0.88rem; color: var(--text-secondary); margin: 0; }

.tag-list {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.tag-list a {
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tag-list a:hover {
  border-color: var(--office-blue);
  color: var(--office-blue);
  background: rgba(43, 87, 154, 0.05);
}

/* Related Articles */
.related-articles {
  background: var(--bg-secondary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* ============================================
   About Page
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-visual svg { width: 100%; max-width: 460px; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.value-card {
  text-align: center;
  padding: var(--space-xl);
}

.value-card .category-icon {
  margin: 0 auto var(--space-md);
}

.value-card h3 { margin-bottom: var(--space-sm); }
.value-card p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 0; }

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
}

.contact-info h3 { margin-bottom: var(--space-md); }

.contact-detail {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  margin-bottom: var(--space-lg);
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon svg { width: 22px; height: 22px; }

.contact-detail h4 { margin-bottom: 0.1rem; }
.contact-detail p { font-size: 0.92rem; color: var(--text-secondary); margin: 0; }

.contact-form {
  background: var(--bg-secondary);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
}

.form-group { margin-bottom: var(--space-md); }

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  background: #fff;
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--office-blue);
  box-shadow: 0 0 0 3px rgba(43, 87, 154, 0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-success {
  display: none;
  padding: var(--space-md);
  background: rgba(16, 124, 65, 0.1);
  border-radius: var(--radius-md);
  color: var(--fresh-green-dark);
  font-weight: 500;
  margin-top: var(--space-md);
}

.form-success.show { display: block; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Legal / Content Pages
   ============================================ */
.legal-content {
  padding: var(--space-3xl) 0;
}

.legal-content h2 {
  margin-top: 2rem;
  margin-bottom: var(--space-md);
}

.legal-content h2:first-child { margin-top: 0; }

.legal-content p, .legal-content li {
  font-size: 1rem;
  color: var(--text-secondary);
}

.legal-content ul { margin-bottom: 1.5rem; }

.toc {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.toc h3 { font-size: 1.1rem; margin-bottom: var(--space-md); }

.toc ol { margin-bottom: 0; }
.toc li { margin-bottom: 0.4rem; }
.toc a { font-size: 0.95rem; }

/* ============================================
   Sitemap Page
   ============================================ */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.sitemap-col h3 {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--border-color);
}

.sitemap-col ul {
  list-style: none;
  padding: 0;
}

.sitemap-col li { margin-bottom: 0.5rem; }

@media (max-width: 768px) {
  .sitemap-grid { grid-template-columns: 1fr; }
}

/* ============================================
   404 Page
   ============================================ */
.not-found {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) 0;
}

.not-found-code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 15vw, 9rem);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--office-blue), var(--fresh-green));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-md);
}

.not-found h1 { margin-bottom: var(--space-md); }
.not-found p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto var(--space-xl);
}

/* ============================================
   Compare Hub Page
   ============================================ */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.compare-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  text-decoration: none;
  color: inherit;
}

.compare-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--office-blue-light);
  color: inherit;
}

.compare-card-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.compare-card-icon svg { width: 32px; height: 32px; }

.compare-card h3 { margin-bottom: var(--space-xs); }
.compare-card p { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 0.5rem; }
.compare-card .compare-link { font-family: var(--font-display); font-weight: 600; font-size: 0.88rem; color: var(--office-blue); }

@media (max-width: 768px) {
  .compare-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Comparison Table
   ============================================ */
.comparison-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  margin: 2rem 0;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
  min-width: 600px;
}

.comparison-table th {
  background: var(--office-blue);
  color: #fff;
  font-family: var(--font-display);
  padding: 1rem;
  text-align: center;
  font-size: 0.95rem;
}

.comparison-table th:first-child {
  text-align: left;
  background: var(--office-blue-dark);
}

.comparison-table td {
  padding: 0.85rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color-light);
  font-size: 0.92rem;
}

.comparison-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--text-primary);
}

.comparison-table tr:nth-child(even) td { background: var(--bg-secondary); }

.comparison-table .yes { color: var(--fresh-green); font-weight: 700; }
.comparison-table .no { color: #D13438; font-weight: 700; }
.comparison-table .partial { color: #C77E00; font-weight: 700; }

/* ============================================
   Newsletter
   ============================================ */
.newsletter {
  background: var(--bg-tertiary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
}

.newsletter h3 { margin-bottom: var(--space-sm); }
.newsletter p { color: var(--text-secondary); margin-bottom: var(--space-lg); }

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

.newsletter-form input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--office-blue);
}

@media (max-width: 480px) {
  .newsletter-form { flex-direction: column; }
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--office-blue);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--office-blue-dark);
  transform: translateY(-4px);
}

/* ============================================
   Stats Bar
   ============================================ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
}

.stat-item { text-align: center; }

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--office-blue);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

@media (max-width: 640px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
}