/* =========================================================
   StatisticsFundamentals.com — Global Design System
   ========================================================= */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors */
  --color-primary:       #4f46e5;
  --color-primary-dark:  #3730a3;
  --color-primary-light: #818cf8;
  --color-accent:        #06b6d4;
  --color-accent-dark:   #0891b2;

  /* Neutral Palette */
  --color-bg:            #f8fafc;
  --color-surface:       #ffffff;
  --color-surface-2:     #f1f5f9;
  --color-border:        #e2e8f0;
  --color-border-light:  #f1f5f9;

  /* Text */
  --color-text-primary:  #0f172a;
  --color-text-secondary:#475569;
  --color-text-muted:    #94a3b8;

  /* Status */
  --color-success:       #10b981;
  --color-warning:       #f59e0b;
  --color-error:         #ef4444;

  /* Gradients */
  --gradient-hero:       linear-gradient(135deg, #667eea 0%, #764ba2 50%, #06b6d4 100%);
  --gradient-primary:    linear-gradient(135deg, #4f46e5, #06b6d4);
  --gradient-card:       linear-gradient(145deg, rgba(255,255,255,0.9), rgba(255,255,255,0.6));

  /* 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:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg:  0 10px 30px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
  --shadow-xl:  0 20px 50px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 30px rgba(79,70,229,0.15);
  --shadow-card-hover: 0 20px 40px rgba(79,70,229,0.15);

  /* Typography */
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Transitions */
  --transition-fast:   150ms cubic-bezier(0.4,0,0.2,1);
  --transition-base:   250ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow:   400ms cubic-bezier(0.4,0,0.2,1);

  /* Z-index layers */
  --z-below:    -1;
  --z-base:      0;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-overlay:  300;
  --z-modal:    400;
  --z-toast:    500;

  /* Container */
  --container-max:  1280px;
  --container-pad:  clamp(1rem, 4vw, 2rem);
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ---------- Typography Scale ---------- */
.text-xs   { font-size: 0.75rem;  line-height: 1rem; }
.text-sm   { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem;     line-height: 1.5rem; }
.text-lg   { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl   { font-size: 1.25rem;  line-height: 1.75rem; }
.text-2xl  { font-size: 1.5rem;   line-height: 2rem; }
.text-3xl  { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl  { font-size: 2.25rem;  line-height: 2.5rem; }
.text-5xl  { font-size: 3rem;     line-height: 1; }
.text-6xl  { font-size: 3.75rem;  line-height: 1; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }

p { color: var(--color-text-secondary); line-height: 1.75; }

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

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

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

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); }

.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ---------- Section Headers ---------- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(79,70,229,0.08);
  border: 1px solid rgba(79,70,229,0.15);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-inline: auto;
  line-height: 1.7;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  line-height: 1.5;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(79,70,229,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(79,70,229,0.4);
}

.btn-secondary {
  background: white;
  color: var(--color-primary);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background: rgba(79,70,229,0.04);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  color: var(--color-primary);
  background: rgba(79,70,229,0.06);
}

.btn-sm {
  padding: 0.375rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(79,70,229,0.2);
  transform: translateY(-3px);
}

.card-glass {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-beginner {
  background: rgba(16,185,129,0.1);
  color: #059669;
  border: 1px solid rgba(16,185,129,0.2);
}

.badge-intermediate {
  background: rgba(245,158,11,0.1);
  color: #d97706;
  border: 1px solid rgba(245,158,11,0.2);
}

.badge-advanced {
  background: rgba(239,68,68,0.1);
  color: #dc2626;
  border: 1px solid rgba(239,68,68,0.2);
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

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

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: var(--space-xl);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.navbar-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1rem;
}

.navbar-logo-text {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

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

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex: 1;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.875rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: rgba(79,70,229,0.06);
}

.nav-link svg {
  transition: transform var(--transition-fast);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
}

/* Mega Menu */
.mega-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-xl);
  min-width: 680px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.mega-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: white;
  border-left: 1px solid var(--color-border);
  border-top: 1px solid var(--color-border);
  transform: translateX(-50%) rotate(45deg);
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
}

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

.mega-menu-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.mega-menu-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  color: var(--color-text-secondary);
}

.mega-menu-item:hover {
  background: var(--color-surface-2);
  color: var(--color-primary);
}

.mega-menu-item-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(79,70,229,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
  font-size: 0.9rem;
}

.mega-menu-item-text strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.mega-menu-item-text span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Simple dropdown */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: var(--space-sm);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-surface-2);
  color: var(--color-primary);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ---------- Footer ---------- */
.footer {
  background: #0f172a;
  color: #94a3b8;
  padding-top: var(--space-4xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
  color: #64748b;
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: var(--space-md);
  max-width: 280px;
}

.footer-logo-text {
  font-size: 1.1rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
}

.footer-logo-text span { color: var(--color-primary-light); }

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.01em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-col li a {
  font-size: 0.875rem;
  color: #64748b;
  transition: color var(--transition-fast);
}

.footer-col li a:hover { color: #94a3b8; }

.footer-subscribe h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-sm);
}

.footer-subscribe p {
  font-size: 0.8rem;
  color: #64748b;
  margin-bottom: var(--space-md);
}

.subscribe-form {
  display: flex;
  gap: var(--space-sm);
}

.subscribe-form input {
  flex: 1;
  padding: 0.625rem 1rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  color: white;
  font-size: 0.875rem;
  transition: border-color var(--transition-fast);
}

.subscribe-form input::placeholder { color: #475569; }
.subscribe-form input:focus {
  outline: none;
  border-color: var(--color-primary-light);
}

.subscribe-form button {
  padding: 0.625rem 1.25rem;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  white-space: nowrap;
}

.subscribe-form button:hover { opacity: 0.9; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-xl);
  font-size: 0.8rem;
  color: #475569;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-bottom-links a {
  color: #475569;
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover { color: #94a3b8; }

/* ---------- Article Cards ---------- */
.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: all var(--transition-base);
  text-decoration: none;
}

.article-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(79,70,229,0.2);
  transform: translateY(-3px);
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.article-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.4;
}

.article-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.reading-time {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ---------- Category Hub ---------- */
.category-hero {
  background: var(--gradient-hero);
  color: white;
  padding: var(--space-4xl) 0;
  position: relative;
  overflow: hidden;
}

.category-hero::before {
  content: '';
  position: absolute;
  inset: 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%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.category-hero-content {
  position: relative;
  z-index: 1;
}

.category-hero h1 { color: white; margin-bottom: var(--space-md); }
.category-hero p { color: rgba(255,255,255,0.85); font-size: 1.125rem; max-width: 600px; }

.category-hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.category-hero-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
}

/* ---------- Article Grid ---------- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
}

/* ---------- Tool Cards ---------- */
.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

.tool-card:hover::before { transform: scaleX(1); }

.tool-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
  border-color: rgba(79,70,229,0.15);
}

.tool-card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

/* ---------- FAQ ---------- */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.faq-item:hover { box-shadow: var(--shadow-md); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  cursor: pointer;
  background: var(--color-surface);
  transition: background var(--transition-fast);
  gap: var(--space-md);
}

.faq-question:hover { background: var(--color-surface-2); }

.faq-question h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  flex: 1;
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
  flex-shrink: 0;
  transition: all var(--transition-fast);
  font-size: 1rem;
  line-height: 1;
}

.faq-item.open .faq-icon {
  background: var(--color-primary);
  color: white;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 350ms cubic-bezier(0.4,0,0.2,1);
}

.faq-answer-inner {
  padding: var(--space-md) var(--space-xl) var(--space-xl);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.faq-answer-inner p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* ---------- Review Cards ---------- */
.review-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.review-stars {
  color: #f59e0b;
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.05em;
}

.review-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.review-author-info strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.review-author-info span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ---------- Scroll Marquee ---------- */
.reviews-section {
  background: var(--color-surface-2);
  overflow: hidden;
}

.reviews-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  height: 560px;
  overflow: hidden;
  position: relative;
}

.reviews-columns::before,
.reviews-columns::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 80px;
  z-index: 2;
  pointer-events: none;
}

.reviews-columns::before {
  top: 0;
  background: linear-gradient(to bottom, var(--color-surface-2), transparent);
}

.reviews-columns::after {
  bottom: 0;
  background: linear-gradient(to top, var(--color-surface-2), transparent);
}

.reviews-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  overflow: hidden;
}

.reviews-col-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.reviews-col-up .reviews-col-inner {
  animation-name: scrollUp;
  animation-duration: 30s;
}

.reviews-col-down .reviews-col-inner {
  animation-name: scrollDown;
  animation-duration: 35s;
}

@keyframes scrollUp {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

@keyframes scrollDown {
  0%   { transform: translateY(-50%); }
  100% { transform: translateY(0); }
}

.reviews-col-inner:hover {
  animation-play-state: paused;
}

/* ---------- Hero Chart Visualization ---------- */
.hero-chart {
  position: relative;
  width: 100%;
  height: 280px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 12px;
  padding: 0 20px 20px;
}

.chart-bar-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 1;
  max-width: 56px;
}

.chart-bar {
  width: 100%;
  border-radius: 6px 6px 0 0;
  transition: height 1s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  min-height: 8px;
}

.chart-bar::after {
  content: attr(data-value);
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.chart-bar-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chart-line {
  position: absolute;
  bottom: 20px;
  left: 0; right: 0;
  height: 1px;
  background: var(--color-border);
}

/* ---------- Floating Stat Cards ---------- */
.stat-cards-container {
  position: relative;
  z-index: 2;
}

.stat-card-float {
  position: absolute;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1.25rem;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
  z-index: 3;
}

.stat-card-float:nth-child(1) { animation-delay: 0s; }
.stat-card-float:nth-child(2) { animation-delay: -2s; }
.stat-card-float:nth-child(3) { animation-delay: -4s; }

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

.stat-card-value {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-text-primary);
}

.stat-card-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* ---------- Interactive Categories ---------- */
.categories-section {
  background: var(--color-bg);
}

.categories-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.categories-list-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 90px;
}

.categories-list-header {
  padding: var(--space-lg) var(--space-xl);
  background: var(--gradient-primary);
  color: white;
}

.categories-list-header h3 {
  color: white;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.categories-list {
  max-height: 480px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.categories-list::-webkit-scrollbar { width: 4px; }
.categories-list::-webkit-scrollbar-track { background: transparent; }
.categories-list::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

.category-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem var(--space-xl);
  cursor: pointer;
  transition: all var(--transition-fast);
  border-bottom: 1px solid var(--color-border-light);
  gap: var(--space-sm);
}

.category-list-item:last-child { border-bottom: none; }

.category-list-item:hover {
  background: rgba(79,70,229,0.04);
  color: var(--color-primary);
}

.category-list-item.active {
  background: rgba(79,70,229,0.08);
  border-left: 3px solid var(--color-primary);
}

.category-list-item.active .cat-item-name {
  color: var(--color-primary);
  font-weight: 700;
}

.cat-item-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  flex: 1;
}

.cat-item-arrow {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  transition: transform var(--transition-fast);
}

.category-list-item.active .cat-item-arrow {
  color: var(--color-primary);
  transform: translateX(3px);
}

/* Category Panel Content */
.category-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  min-height: 400px;
  display: none;
  animation: fadeInPanel 0.3s ease;
}

.category-panel.active { display: block; }

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel-category-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.panel-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.panel-description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-xl);
}

.panel-topics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.panel-topic-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 0.875rem;
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.panel-topic-item::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.75rem;
}

/* ---------- Authority Section ---------- */
.authority-section { background: white; }

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

.authority-card {
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.authority-card::after {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 120px; height: 120px;
  border-radius: var(--radius-full);
  opacity: 0.06;
  transition: transform var(--transition-slow);
}

.authority-card:hover::after { transform: scale(1.3); }
.authority-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }

.authority-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

/* ---------- Blog Card ---------- */
.blog-card-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.blog-card-featured:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(79,70,229,0.15);
}

.blog-visual {
  background: var(--gradient-hero);
  border-radius: var(--radius-lg);
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.blog-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-opacity='0.04'%3E%3Ccircle cx='20' cy='20' r='15'/%3E%3C/g%3E%3C/svg%3E");
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--color-text-muted); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-border); }
.breadcrumb-current { color: var(--color-text-secondary); font-weight: 500; }

/* ---------- Page Hero (non-homepage) ---------- */
.page-hero {
  background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 50%, #f0f9ff 100%);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.page-hero h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); margin-bottom: var(--space-md); }

/* ---------- Table Styles ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th {
  background: var(--color-surface-2);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  border-bottom: 2px solid var(--color-border);
}

.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.data-table tr:hover td { background: rgba(79,70,229,0.03); }

/* ---------- Calculator Styles ---------- */
.calculator-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.calc-input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.calc-input-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.calc-input-group textarea,
.calc-input-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--color-text-primary);
  background: var(--color-bg);
  transition: border-color var(--transition-fast);
  resize: vertical;
}

.calc-input-group textarea:focus,
.calc-input-group input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.calc-result {
  background: rgba(79,70,229,0.05);
  border: 1px solid rgba(79,70,229,0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-top: var(--space-xl);
}

.calc-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-md);
}

.calc-result-item {
  text-align: center;
}

.calc-result-item .value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

.calc-result-item .label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}

/* ---------- Glossary ---------- */
.glossary-letter-section { margin-bottom: var(--space-2xl); }
.glossary-letter {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.glossary-term {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.glossary-term:last-child { border-bottom: none; }

.glossary-term h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.glossary-term p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-2xl); }
  .mega-menu { min-width: 520px; }
  .mega-menu-grid { grid-template-columns: 1fr 1fr; }
  .authority-grid { grid-template-columns: 1fr 1fr; }
  .categories-layout { grid-template-columns: 240px 1fr; }
}

@media (max-width: 768px) {
  :root {
    --space-4xl: 3.5rem;
    --space-3xl: 2.5rem;
  }

  .navbar-nav { display: none; }
  .navbar-actions .btn:first-child { display: none; }
  .nav-toggle { display: flex; }

  .navbar-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px;
    left: 0; right: 0;
    background: white;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    align-items: flex-start;
    gap: 0;
  }

  .navbar-nav.open .nav-link { padding: 0.75rem; width: 100%; }
  .mega-menu, .dropdown-menu { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: none; padding: 0 0 0 var(--space-md); min-width: auto; }
  .mega-menu::before { display: none; }
  .mega-menu-grid { grid-template-columns: 1fr; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .blog-card-featured { grid-template-columns: 1fr; }
  .categories-layout { grid-template-columns: 1fr; }
  .categories-list-wrapper { position: static; }
  .authority-grid { grid-template-columns: 1fr; }
  .reviews-columns { grid-template-columns: 1fr; height: 400px; }
  .reviews-col:last-child { display: none; }
  .footer-bottom { flex-direction: column; gap: var(--space-md); text-align: center; }
  .subscribe-form { flex-direction: column; }
}

@media (max-width: 480px) {
  .btn-lg { padding: 0.75rem 1.5rem; font-size: 0.9375rem; }
  .panel-topics { grid-template-columns: 1fr; }
  .hero-chart { height: 200px; gap: 8px; }
}

/* ---------- Animations ---------- */
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.2); opacity: 0.8; }
}

.animate-in {
  animation: slideInUp 0.6s cubic-bezier(0.4,0,0.2,1) both;
}

.animate-in-delay-1 { animation-delay: 0.1s; }
.animate-in-delay-2 { animation-delay: 0.2s; }
.animate-in-delay-3 { animation-delay: 0.3s; }
.animate-in-delay-4 { animation-delay: 0.4s; }

/* Intersection Observer fade-ins */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.w-full { width: 100%; }
.hidden { display: none; }

/* Highlight / code inline */
code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: rgba(79,70,229,0.07);
  color: var(--color-primary);
  padding: 0.1em 0.4em;
  border-radius: 0.25rem;
}

pre {
  background: #0f172a;
  color: #e2e8f0;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
}

/* Number pill */
.num-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0 0.4rem;
}


/* ---------- for updating new css ---------- */
/* ============================
   CENTER WRAPPER
============================= */

.team-center {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 2rem;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
}

/* ============================
   3D TEAM CARD
============================= */

.team-card-3d {
  position: relative;
  flex: 1;
  min-width: 280px;
  max-width: 420px;
  padding: 2rem;
  border-radius: 22px;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(0,0,0,0.06);
  transition: all 0.35s ease;
  transform-style: preserve-3d;
  overflow: hidden;
}

/* animated gradient border */
.team-card-3d::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 24px;
  background: linear-gradient(135deg, #4f46e5, #06b6d4, #10b981);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s ease;
}

/* soft glow layer */
.team-card-3d::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(79,70,229,0.12), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* hover effect */
.team-card-3d:hover {
  transform: translateY(-10px) rotateX(4deg) rotateY(-4deg);
  box-shadow: 0 30px 80px rgba(0,0,0,0.15);
}

.team-card-3d:hover::before {
  opacity: 1;
}

.team-card-3d:hover::after {
  opacity: 1;
}

/* ============================
   TOP SECTION
============================= */

.team-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.team-top img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid rgba(0,0,0,0.08);
}

.team-top h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0;
}

.team-top span {
  font-size: 0.85rem;
  color: #64748b;
  font-weight: 600;
}

/* ============================
   TEXT
============================= */

.team-card-3d p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: #334155;
  margin-bottom: 0.9rem;
}

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

.team-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.team-tags span {
  font-size: 0.75rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: rgba(79,70,229,0.08);
  color: #4f46e5;
  font-weight: 600;
}

/* ============================
   SOCIAL
============================= */

.team-social {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.team-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.04);
  color: #334155;
  transition: all 0.25s ease;
}

.team-social a:hover {
  transform: translateY(-2px);
  background: rgba(79,70,241,0.15);
  color: #4f46e5;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  overflow: hidden;
  background: var(--color-surface);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--color-text-primary);
}

.faq-question:hover {
  background: rgba(0,0,0,0.03);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 1.25rem;
}

.faq-answer p {
  padding: 0.75rem 0 1rem;
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: 0.9rem;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-icon {
  font-size: 1.2rem;
  font-weight: 700;
}

/* ============================
   Cookie Policy
============================= */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: #0f172a;
  color: white;
  padding: 16px;
  border-radius: 12px;
  z-index: 99999;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cookie-content p {
  font-size: 13px;
  opacity: 0.8;
  margin: 4px 0 0;
}

.cookie-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.cookie-actions button {
  padding: 8px 12px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

#acceptCookies {
  background: #4f46e5;
  color: white;
}

.secondary {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
}

.cookie-link {
  color: #93c5fd;
  font-size: 13px;
}

.guide-title {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.guide {
  display: grid;
  gap: 12px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 10px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  transition: 0.2s ease;
}

.step:hover {
  background: #f3f4f6;
}

.step-number {
  min-width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #2563eb;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
}

.step p {
  margin: 4px 0 0;
  color: #555;
  font-size: 0.95rem;
}

.example-title,
.interpret-title {
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
}

.example-box {
  background: #f1f5f9;
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.timeline {
  border-left: 2px solid #e5e7eb;
  margin-left: 8px;
  padding-left: 16px;
  display: grid;
  gap: 16px;
}

.timeline-step {
  position: relative;
}

.timeline-step span {
  position: absolute;
  left: -25px;
  top: 4px;
  width: 10px;
  height: 10px;
  background: #2563eb;
  border-radius: 50%;
}

.timeline-step p {
  margin: 4px 0 0;
  font-size: 0.95rem;
  color: #555;
}

.example-summary {
  margin-top: 16px;
  padding: 12px 14px;
  background: #f9fafb;
  border-radius: 8px;
  font-size: 0.95rem;
  color: #444;
}

.interpret-box {
  background: #f9fafb;
  padding: 14px 16px;
  border-radius: 10px;
  line-height: 1.7;
  font-size: 0.95rem;
  color: #444;
}

.interpret-box p {
  margin-bottom: 10px;
}
/* ============================
   Recently Added Pages
============================= */
.latest-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 2rem;
}

.latest-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;

  padding: 1.5rem;
  border-radius: 16px;

  background: white;
  border: 1px solid #e5e7eb;

  text-decoration: none;
  transition: all 0.25s ease;
  min-height: 180px;
}

.latest-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  border-color: #c7d2fe;
}

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

.latest-badge {
  font-size: 0.65rem;
  font-weight: 700;
  background: #4f46e5;
  color: white;
  padding: 3px 8px;
  border-radius: 999px;
}

.latest-date {
  font-size: 0.7rem;
  color: #6b7280;
}

.latest-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #111827;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.latest-card p {
  font-size: 0.85rem;
  color: #6b7280;
  line-height: 1.6;
}

.latest-footer {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;

  font-size: 0.8rem;
  font-weight: 600;
  color: #4f46e5;
}