/* ============================================================
   WebsitePopularity.info — Complete Stylesheet
   ============================================================ */

/* ── 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-body);
  color: hsl(var(--color-text-primary));
  background-color: hsl(var(--color-background));
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: hsl(var(--color-primary)); text-decoration: none; transition: color var(--transition-base); }
a:hover { color: hsl(var(--color-primary-hover)); }
a:focus-visible { outline: 2px solid hsl(var(--color-focus-ring)); outline-offset: 3px; border-radius: var(--radius-sm); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }
address { font-style: normal; }
code { font-family: 'JetBrains Mono', monospace; background: hsl(var(--color-surface-alt)); padding: 0.1em 0.4em; border-radius: var(--radius-sm); font-size: 0.9em; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: hsl(var(--color-text-primary));
  line-height: 1.25;
  font-weight: 700;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
.lead { font-size: 1.15rem; line-height: 1.8; color: hsl(var(--color-text-secondary)); font-weight: 400; }
strong { font-weight: 600; }

/* ── LAYOUT ── */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.25rem; }
.section-pad { padding: 5rem 0; }
.section-alt { background-color: hsl(var(--color-surface-alt)); }

/* ── SECTION HEADERS ── */
.section-header { text-align: center; max-width: 680px; margin: 0 auto 3rem; }
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: hsl(var(--color-primary));
  background: hsl(var(--color-primary) / 0.1);
  padding: 0.3em 0.9em;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}
.section-label--light {
  color: hsl(37 92% 75%);
  background: hsl(37 92% 50% / 0.15);
}
.section-title { margin-bottom: 1rem; }
.section-description { color: hsl(var(--color-text-secondary)); font-size: 1.05rem; }
.section-cta { text-align: center; margin-top: 3rem; }

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: hsl(var(--color-secondary));
  box-shadow: 0 2px 16px rgba(0,0,0,.15);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.site-header.scrolled {
  background: hsl(213 51% 20%);
  box-shadow: 0 4px 24px rgba(0,0,0,.25);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: var(--gradient-accent);
  border-radius: var(--radius-base);
  color: #fff;
  font-size: 1rem;
}
.logo-text {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}
.logo-text strong { font-weight: 800; color: hsl(var(--color-accent)); }
.site-logo--footer .logo-text { color: #fff; }

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: nowrap;
}
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 0.75rem;
  color: rgba(255,255,255,0.88);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-base);
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}
.nav-link:hover,
.nav-link.active { color: #fff; background: rgba(255,255,255,0.12); }
.nav-cta {
  margin-left: 0.5rem;
  background: var(--gradient-accent) !important;
  color: hsl(var(--color-text-primary)) !important;
  font-weight: 700 !important;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: hsl(var(--color-surface));
  border: 1px solid hsl(var(--color-border));
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  flex-direction: column;
  padding: 0.5rem 0;
  animation: dropdownIn 0.2s ease;
}
@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.dropdown:hover .dropdown-menu { display: flex; }
.dropdown-item {
  display: block;
  padding: 0.55rem 1.1rem;
  color: hsl(var(--color-text-primary));
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-base);
  text-decoration: none;
}
.dropdown-item:hover {
  background: hsl(var(--color-primary) / 0.08);
  color: hsl(var(--color-primary));
  padding-left: 1.4rem;
}

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}
.hamburger-line {
  width: 25px;
  height: 3px;
  background-color: rgba(255,255,255,0.9);
  margin: 2px 0;
  transition: transform 0.3s, opacity 0.3s;
  border-radius: 2px;
}
.hamburger.active .hamburger-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active .hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   AD ZONES
   ============================================================ */
.ad-zone { padding: 1rem 0; text-align: center; overflow: hidden; }
.ad-placeholder {
  background: hsl(var(--color-surface-alt));
  border: 1px dashed hsl(var(--color-border));
  border-radius: var(--radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.ad-placeholder img { max-width: 100%; height: auto; }
.ad-label { color: hsl(var(--color-text-secondary)); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 1px; }
.ad-leaderboard { display: block; }
.ad-rectangle { display: block; }
.ad-mobile-banner { display: none; }

/* ============================================================
   BREADCRUMBS
   ============================================================ */
.breadcrumbs-bar {
  background: hsl(var(--color-surface));
  border-bottom: 1px solid hsl(var(--color-border));
  padding: 0.6rem 0;
}
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}
.breadcrumbs li { display: flex; align-items: center; font-size: 0.82rem; color: hsl(var(--color-text-secondary)); }
.breadcrumbs li + li::before { content: '›'; margin-right: 0.25rem; color: hsl(var(--color-border)); }
.breadcrumbs a { color: hsl(var(--color-text-secondary)); }
.breadcrumbs a:hover { color: hsl(var(--color-primary)); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.625rem 1.375rem;
  border-radius: var(--radius-base);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1.4;
}
.btn:focus-visible { outline: 2px solid hsl(var(--color-focus-ring)); outline-offset: 3px; }
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.82rem; }
.btn-lg { padding: 0.85rem 1.8rem; font-size: 1rem; }
.btn-primary {
  background: hsl(var(--color-primary));
  color: #fff;
  border-color: hsl(var(--color-primary));
}
.btn-primary:hover {
  background: hsl(var(--color-primary-hover));
  border-color: hsl(var(--color-primary-hover));
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px hsl(var(--color-primary) / 0.35);
}
.btn-accent {
  background: hsl(var(--color-accent));
  color: hsl(var(--color-text-primary));
  border-color: hsl(var(--color-accent));
  font-weight: 700;
}
.btn-accent:hover {
  background: hsl(var(--color-accent-hover));
  border-color: hsl(var(--color-accent-hover));
  color: hsl(var(--color-text-primary));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px hsl(var(--color-accent) / 0.35);
}
.btn-outline {
  background: transparent;
  color: hsl(var(--color-primary));
  border-color: hsl(var(--color-primary));
}
.btn-outline:hover {
  background: hsl(var(--color-primary));
  color: #fff;
  transform: translateY(-2px);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.25;
  transform: scale(1.03);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  opacity: 0.88;
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 5rem 1.25rem;
  max-width: 820px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: hsl(var(--color-accent) / 0.18);
  color: hsl(var(--color-accent));
  border: 1px solid hsl(var(--color-accent) / 0.35);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.hero-accent { color: hsl(var(--color-accent)); }
.hero-description {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.82);
  max-width: 640px;
  margin-bottom: 2.25rem;
  line-height: 1.8;
}
.hero-cta-group { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-stat {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: rgba(255,255,255,0.8);
  font-size: 0.88rem;
  font-weight: 500;
}
.hero-stat-icon { color: hsl(var(--color-accent)); font-size: 1.1rem; }

/* ============================================================
   FEATURES SECTION
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: hsl(var(--color-surface));
  border: 1px solid hsl(var(--color-border));
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.feature-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;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-base);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
}
.feature-icon--blue   { background: hsl(213 80% 47% / 0.12); color: hsl(213 80% 47%); }
.feature-icon--amber  { background: hsl(37 92% 50% / 0.12); color: hsl(37 92% 45%); }
.feature-icon--green  { background: hsl(142 71% 45% / 0.12); color: hsl(142 71% 35%); }
.feature-icon--purple { background: hsl(270 70% 60% / 0.12); color: hsl(270 70% 55%); }
.feature-icon--teal   { background: hsl(186 70% 45% / 0.12); color: hsl(186 70% 38%); }
.feature-icon--red    { background: hsl(0 75% 55% / 0.12); color: hsl(0 75% 50%); }
.feature-card h3 { margin-bottom: 0.65rem; font-size: 1.15rem; }
.feature-card p { color: hsl(var(--color-text-secondary)); font-size: 0.9rem; margin-bottom: 1.25rem; line-height: 1.7; }
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: hsl(var(--color-primary));
}
.feature-link:hover { gap: 0.5rem; }

/* ============================================================
   ARTICLE CARDS
   ============================================================ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.article-card {
  background: hsl(var(--color-surface));
  border: 1px solid hsl(var(--color-border));
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: hsl(var(--color-primary) / 0.2); }
.article-card-image { overflow: hidden; aspect-ratio: 16/9; }
.article-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.article-card:hover .article-card-image img { transform: scale(1.04); }
.article-card-body { padding: 1.35rem; flex: 1; display: flex; flex-direction: column; }
.article-category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: hsl(var(--color-primary));
  background: hsl(var(--color-primary) / 0.09);
  padding: 0.25em 0.7em;
  border-radius: var(--radius-full);
  margin-bottom: 0.65rem;
  text-decoration: none;
}
.article-category:hover { background: hsl(var(--color-primary) / 0.18); }
.article-card-body h2, .article-card-body h3 { font-size: 1.05rem; margin-bottom: 0.6rem; line-height: 1.4; }
.article-card-body h2 a, .article-card-body h3 a { color: hsl(var(--color-text-primary)); text-decoration: none; }
.article-card-body h2 a:hover, .article-card-body h3 a:hover { color: hsl(var(--color-primary)); }
.article-excerpt { font-size: 0.875rem; color: hsl(var(--color-text-secondary)); line-height: 1.65; flex: 1; margin-bottom: 1rem; }
.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: hsl(var(--color-text-secondary));
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid hsl(var(--color-border));
}
.article-meta time, .article-meta span { display: flex; align-items: center; gap: 0.3rem; }
.article-card--ad { display: flex; align-items: center; justify-content: center; background: transparent; border: none; }

/* ============================================================
   CATEGORIES GRID (Homepage)
   ============================================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.category-card {
  display: block;
  text-decoration: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid hsl(var(--color-border));
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: hsl(var(--color-primary) / 0.3); }
.category-card-inner {
  background: hsl(var(--color-surface));
  padding: 1.75rem;
}
.category-icon {
  font-size: 2rem;
  color: hsl(var(--color-primary));
  margin-bottom: 1rem;
  display: block;
}
.category-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; color: hsl(var(--color-text-primary)); }
.category-card p { font-size: 0.875rem; color: hsl(var(--color-text-secondary)); line-height: 1.6; margin-bottom: 1rem; }
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: hsl(var(--color-primary));
}
.category-card:hover .category-link { gap: 0.5rem; }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: var(--gradient-primary);
  padding: 5rem 0;
}
.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-text h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 0.5rem; }
.cta-text p { color: rgba(255,255,255,0.8); max-width: 520px; }
.cta-actions { display: flex; gap: 1rem; flex-wrap: wrap; flex-shrink: 0; }

/* ============================================================
   PAGE LAYOUT (page.html)
   ============================================================ */
.page-wrapper { padding: 3rem 0 5rem; }
.page-header { margin-bottom: 2rem; max-width: 720px; }
.page-title { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: 0.5rem; }
.page-subtitle { font-size: 1.05rem; color: hsl(var(--color-text-secondary)); }
.page-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
}
.page-body { min-width: 0; }
.page-body h2 { margin: 2rem 0 1rem; }
.page-body h3 { margin: 1.5rem 0 0.75rem; }
.page-body ul, .page-body ol { margin: 0 0 1rem 1.5rem; list-style: disc; }
.page-body ol { list-style: decimal; }
.page-body li { margin-bottom: 0.4rem; line-height: 1.7; }
.page-body a { text-decoration: underline; text-underline-offset: 3px; }
.page-sidebar { position: sticky; top: calc(var(--header-height) + 1rem); }

/* ============================================================
   SIDEBAR WIDGETS
   ============================================================ */
.sidebar-widget {
  background: hsl(var(--color-surface));
  border: 1px solid hsl(var(--color-border));
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  margin-bottom: 1.25rem;
}
.widget-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: hsl(var(--color-text-secondary));
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.widget-list { list-style: none; }
.widget-list li { border-bottom: 1px solid hsl(var(--color-border)); }
.widget-list li:last-child { border-bottom: none; }
.widget-list-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0;
  font-size: 0.875rem;
  color: hsl(var(--color-text-primary));
  text-decoration: none;
  transition: all var(--transition-base);
}
.widget-list-link:hover { color: hsl(var(--color-primary)); padding-left: 0.3rem; }
.widget-list-name { flex: 1; }
.sidebar-cta {
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  color: #fff;
}
.sidebar-cta-icon { font-size: 2rem; color: hsl(var(--color-accent)); margin-bottom: 0.75rem; display: block; }
.sidebar-cta h4 { font-size: 1rem; margin-bottom: 0.4rem; color: #fff; }
.sidebar-cta p { font-size: 0.85rem; color: rgba(255,255,255,0.8); margin-bottom: 1.1rem; }
.sidebar-ad-sticky { position: sticky; top: calc(var(--header-height) + 1rem); }

/* ============================================================
   ARTICLE SINGLE (article.html)
   ============================================================ */
.article-single { padding: 3rem 0 5rem; }
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
}
.article-header { margin-bottom: 2rem; }
.article-title { font-size: clamp(1.75rem, 4vw, 2.75rem); margin-bottom: 0.75rem; line-height: 1.2; }
.article-description { font-size: 1.1rem; color: hsl(var(--color-text-secondary)); margin-bottom: 1rem; }
.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: hsl(var(--color-text-secondary));
  flex-wrap: wrap;
  padding: 1rem 0;
  border-top: 1px solid hsl(var(--color-border));
  border-bottom: 1px solid hsl(var(--color-border));
  margin-bottom: 0.5rem;
}
.article-meta time, .article-meta span { display: flex; align-items: center; gap: 0.3rem; }
.article-category-badge {
  background: hsl(var(--color-primary) / 0.09);
  color: hsl(var(--color-primary));
  font-weight: 600;
  padding: 0.2em 0.7em;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.article-meta-divider { opacity: 0.4; }
.article-body { min-width: 0; }
.article-body h2 { margin: 2.25rem 0 1rem; font-size: 1.5rem; }
.article-body h3 { margin: 1.75rem 0 0.75rem; font-size: 1.2rem; }
.article-body h4 { margin: 1.25rem 0 0.5rem; }
.article-body p { margin-bottom: 1.1rem; line-height: 1.8; }
.article-body ul, .article-body ol { margin: 0 0 1.25rem 1.75rem; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 0.45rem; line-height: 1.75; }
.article-body blockquote {
  border-left: 4px solid hsl(var(--color-primary));
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: hsl(var(--color-primary) / 0.06);
  border-radius: 0 var(--radius-base) var(--radius-base) 0;
  font-size: 1.05rem;
  color: hsl(var(--color-text-secondary));
}
.article-body a { text-decoration: underline; text-underline-offset: 3px; }
.article-body img { border-radius: var(--radius-base); margin: 1.5rem 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.9rem; }
.article-body th { background: hsl(var(--color-surface-alt)); padding: 0.75rem 1rem; text-align: left; font-weight: 600; border: 1px solid hsl(var(--color-border)); }
.article-body td { padding: 0.65rem 1rem; border: 1px solid hsl(var(--color-border)); }
.article-body tr:nth-child(even) td { background: hsl(var(--color-surface-alt)); }

/* Article nav */
.article-nav {
  display: flex;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid hsl(var(--color-border));
}
.article-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  padding: 1.1rem 1.25rem;
  background: hsl(var(--color-surface));
  border: 1px solid hsl(var(--color-border));
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: hsl(var(--color-text-primary));
  transition: all var(--transition-base);
  font-size: 0.875rem;
}
.article-nav-link:hover { border-color: hsl(var(--color-primary)); color: hsl(var(--color-primary)); transform: translateY(-2px); }
.article-nav-link small { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: hsl(var(--color-text-secondary)); margin-bottom: 0.15rem; }
.article-nav-link strong { display: block; font-size: 0.9rem; font-weight: 600; line-height: 1.35; }
.article-nav-next { justify-content: flex-end; text-align: right; }
.article-sidebar { position: sticky; top: calc(var(--header-height) + 1rem); }

/* TOC */
#toc-nav { font-size: 0.875rem; }
#toc-nav a { display: block; padding: 0.3rem 0; color: hsl(var(--color-text-secondary)); border-left: 2px solid hsl(var(--color-border)); padding-left: 0.75rem; margin-bottom: 0.15rem; transition: all var(--transition-base); text-decoration: none; }
#toc-nav a:hover, #toc-nav a.active { border-color: hsl(var(--color-primary)); color: hsl(var(--color-primary)); padding-left: 1rem; }
#toc-nav .toc-h3 { padding-left: 1.5rem; font-size: 0.82rem; }

/* ============================================================
   ARTICLES LISTING (articles.html)
   ============================================================ */
.articles-wrapper { padding-bottom: 5rem; }
.articles-page-header {
  background: var(--gradient-primary);
  padding: 4rem 0 3rem;
  margin-bottom: 0;
}
.articles-header-content h1 { color: #fff; margin-bottom: 0.5rem; }
.articles-header-content p { color: rgba(255,255,255,0.8); max-width: 560px; margin-top: 0.25rem; }
.articles-header-content .section-label { margin-bottom: 0.5rem; }
.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.2);
  text-decoration: none;
  transition: all var(--transition-base);
}
.filter-btn:hover, .filter-btn.active {
  background: #fff;
  color: hsl(var(--color-primary));
  border-color: #fff;
}
.articles-main-area { padding-top: 2rem; }
.no-articles {
  text-align: center;
  padding: 5rem 0;
}
.no-articles-inner {
  max-width: 380px;
  margin: 0 auto;
}
.no-articles-icon {
  font-size: 3.5rem;
  color: hsl(var(--color-border));
  margin-bottom: 1.25rem;
  display: block;
}
.no-articles h2 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.no-articles p { color: hsl(var(--color-text-secondary)); margin-bottom: 1.5rem; }

/* PAGINATION */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}
.pagination-btn, .page-num {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-base);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  border: 1px solid hsl(var(--color-border));
  color: hsl(var(--color-text-primary));
  background: hsl(var(--color-surface));
}
.pagination-btn:hover, .page-num:hover { border-color: hsl(var(--color-primary)); color: hsl(var(--color-primary)); }
.page-num.active {
  background: hsl(var(--color-primary));
  color: #fff;
  border-color: hsl(var(--color-primary));
}
.pagination-pages { display: flex; gap: 0.35rem; }

/* ============================================================
   ERROR PAGE
   ============================================================ */
.error-page {
  min-height: calc(100vh - var(--header-height) - 300px);
  display: flex;
  align-items: center;
  padding: 5rem 0;
  overflow: hidden;
  position: relative;
}
.error-page-inner { position: relative; }
.error-bg-decoration { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.error-bg-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
}
.error-bg-circle--1 {
  width: 600px; height: 600px;
  background: hsl(var(--color-primary));
  top: -200px; right: -100px;
}
.error-bg-circle--2 {
  width: 400px; height: 400px;
  background: hsl(var(--color-accent));
  bottom: -150px; left: -80px;
}
.error-content { text-align: center; position: relative; z-index: 1; max-width: 600px; margin: 0 auto; }
.error-icon {
  font-size: 4rem;
  color: hsl(var(--color-primary) / 0.25);
  margin-bottom: 1rem;
}
.error-code {
  font-family: var(--font-heading);
  font-size: clamp(5rem, 15vw, 9rem);
  font-weight: 900;
  line-height: 1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}
.error-title { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 1rem; }
.error-message { color: hsl(var(--color-text-secondary)); font-size: 1.05rem; margin-bottom: 2rem; max-width: 480px; margin-left: auto; margin-right: auto; }
.error-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 2.5rem; }
.error-helpful { padding-top: 2rem; border-top: 1px solid hsl(var(--color-border)); }
.error-helpful-title { font-size: 0.875rem; color: hsl(var(--color-text-secondary)); margin-bottom: 1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.error-helpful-links { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.error-helpful-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.9rem;
  background: hsl(var(--color-surface));
  border: 1px solid hsl(var(--color-border));
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: hsl(var(--color-text-primary));
  text-decoration: none;
  transition: all var(--transition-base);
}
.error-helpful-link:hover { border-color: hsl(var(--color-primary)); color: hsl(var(--color-primary)); background: hsl(var(--color-primary) / 0.05); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: hsl(213 51% 14%);
  color: rgba(255,255,255,0.75);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-tagline { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin: 0.75rem 0 1rem; line-height: 1.6; }
.footer-address { font-size: 0.82rem; color: rgba(255,255,255,0.5); line-height: 1.8; margin-bottom: 0.75rem; }
.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: hsl(var(--color-accent));
  text-decoration: none;
}
.footer-email:hover { color: hsl(var(--color-accent-hover)); }
.footer-heading {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.9);
  margin-bottom: 1.25rem;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { font-size: 0.875rem; color: rgba(255,255,255,0.6); text-decoration: none; transition: color var(--transition-base); }
.footer-links a:hover { color: rgba(255,255,255,0.95); }
.footer-bottom {
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.45); }
.footer-disclaimer { font-size: 0.75rem; color: rgba(255,255,255,0.35); }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: hsl(var(--color-primary));
  color: #fff;
  border: none;
  box-shadow: var(--shadow-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: 500;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: hsl(var(--color-primary-hover)); transform: translateY(-3px); }

/* ============================================================
   FORMS (contact page)
   ============================================================ */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; color: hsl(var(--color-text-primary)); margin-bottom: 0.4rem; }
.required { color: hsl(0 75% 55%); }
.form-input {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 2px solid hsl(var(--color-border));
  border-radius: var(--radius-base);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: hsl(var(--color-text-primary));
  background: hsl(var(--color-surface));
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
  appearance: none;
}
.form-input:focus { border-color: hsl(var(--color-primary)); box-shadow: 0 0 0 3px hsl(var(--color-primary) / 0.15); }
.form-input.error { border-color: hsl(0 75% 55%); }
.form-textarea { resize: vertical; min-height: 140px; }
.form-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%231E293B' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.9rem center; padding-right: 2.5rem; }
.form-error { display: block; font-size: 0.78rem; color: hsl(0 75% 55%); margin-top: 0.25rem; min-height: 1.1em; }
.form-submit { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.form-status { font-size: 0.875rem; font-weight: 500; }
.form-status.success { color: hsl(142 71% 35%); }
.form-status.error { color: hsl(0 75% 55%); }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ============================================================
   PAGE CONTENT SPECIFIC STYLES (about, contact, etc.)
   ============================================================ */

/* ABOUT */
.about-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; margin-bottom: 3rem; }
.about-hero-text h2 { margin-bottom: 1rem; }
.about-stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.about-stat {
  background: hsl(var(--color-surface));
  border: 1px solid hsl(var(--color-border));
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
}
.about-stat-icon { font-size: 1.75rem; color: hsl(var(--color-primary)); display: block; margin-bottom: 0.5rem; }
.about-stat-label { font-size: 0.82rem; font-weight: 600; color: hsl(var(--color-text-secondary)); }
.about-mission, .about-topics, .about-approach, .about-company { margin-bottom: 3rem; }
.about-mission h2, .about-topics h2, .about-approach h2, .about-company h2 { margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid hsl(var(--color-border)); }
.about-topics-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.25rem; margin-top: 1.5rem; }
.about-topic-item { padding: 1.25rem; background: hsl(var(--color-surface)); border: 1px solid hsl(var(--color-border)); border-radius: var(--radius-base); }
.about-topic-item i { font-size: 1.5rem; color: hsl(var(--color-primary)); margin-bottom: 0.75rem; display: block; }
.about-topic-item h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.about-topic-item p { font-size: 0.875rem; color: hsl(var(--color-text-secondary)); margin: 0; }
.about-principles { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.about-principles li { display: flex; gap: 0.85rem; align-items: flex-start; }
.about-principles li i { color: hsl(142 71% 35%); font-size: 1.1rem; margin-top: 0.15rem; flex-shrink: 0; }
.company-address { background: hsl(var(--color-surface-alt)); padding: 1rem 1.25rem; border-radius: var(--radius-base); margin: 1rem 0; font-size: 0.9rem; line-height: 1.9; border-left: 3px solid hsl(var(--color-primary)); }
.about-cta-bar { background: var(--gradient-primary); color: #fff; border-radius: var(--radius-lg); padding: 2.5rem; text-align: center; margin-top: 2rem; }
.about-cta-bar h2 { color: #fff; margin-bottom: 0.5rem; }
.about-cta-bar p { color: rgba(255,255,255,0.8); margin-bottom: 1.5rem; }

/* CONTACT */
.contact-intro { margin-bottom: 2rem; }
.contact-layout { display: grid; grid-template-columns: 1fr 380px; gap: 3rem; align-items: start; }
.contact-form-wrap h2 { margin-bottom: 1.5rem; }
.contact-info h2 { margin-bottom: 1.25rem; }
.contact-info-card { background: hsl(var(--color-surface)); border: 1px solid hsl(var(--color-border)); border-radius: var(--radius-lg); padding: 1.5rem; margin-bottom: 1.5rem; }
.contact-info-item { display: flex; gap: 1rem; align-items: flex-start; padding: 0.85rem 0; border-bottom: 1px solid hsl(var(--color-border)); }
.contact-info-item:last-child { border-bottom: none; padding-bottom: 0; }
.contact-info-icon { color: hsl(var(--color-primary)); font-size: 1.2rem; margin-top: 0.15rem; flex-shrink: 0; }
.contact-info-item strong { display: block; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: hsl(var(--color-text-secondary)); margin-bottom: 0.25rem; }
.contact-info-item a { color: hsl(var(--color-primary)); }
.contact-info-item span, .contact-info-item address { font-size: 0.9rem; }
.contact-topics h3 { font-size: 1rem; margin-bottom: 0.75rem; }
.contact-topics ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.contact-topics li { display: flex; align-items: center; gap: 0.6rem; font-size: 0.875rem; color: hsl(var(--color-text-secondary)); }
.contact-topics li i { color: hsl(142 71% 35%); }

/* TOOLS */
.tools-intro { margin-bottom: 2.5rem; }
.tools-section { margin-bottom: 3rem; }
.tools-section h2 { font-size: 1.35rem; display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1.25rem; padding-bottom: 0.5rem; border-bottom: 2px solid hsl(var(--color-border)); }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; }
.tool-card { background: hsl(var(--color-surface)); border: 1px solid hsl(var(--color-border)); border-radius: var(--radius-lg); padding: 1.5rem; transition: all var(--transition-base); }
.tool-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-base); }
.tool-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.75rem; margin-bottom: 0.75rem; }
.tool-card-header h3 { font-size: 1rem; }
.tool-badge { font-size: 0.72rem; font-weight: 700; padding: 0.2em 0.7em; border-radius: var(--radius-full); white-space: nowrap; flex-shrink: 0; }
.tool-badge--free { background: hsl(142 71% 45% / 0.12); color: hsl(142 71% 30%); }
.tool-badge--freemium { background: hsl(37 92% 50% / 0.12); color: hsl(37 92% 35%); }
.tool-card p { font-size: 0.875rem; color: hsl(var(--color-text-secondary)); margin-bottom: 0.75rem; line-height: 1.65; }
.tool-use-case { font-size: 0.82rem; background: hsl(var(--color-surface-alt)); padding: 0.6rem 0.85rem; border-radius: var(--radius-sm); margin-bottom: 1rem; color: hsl(var(--color-text-secondary)); }
.tools-cta-bar { background: hsl(var(--color-surface-alt)); border-radius: var(--radius-lg); padding: 2rem; text-align: center; margin-top: 2rem; }
.tools-cta-bar h2 { margin-bottom: 0.5rem; }
.tools-cta-bar p { color: hsl(var(--color-text-secondary)); margin-bottom: 1.25rem; }

/* ANALYTICS */
.analytics-intro { margin-bottom: 2.5rem; }
.analytics-section { margin-bottom: 3rem; }
.analytics-section h2 { margin-bottom: 1.25rem; padding-bottom: 0.5rem; border-bottom: 2px solid hsl(var(--color-border)); }
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.25rem; margin-top: 1.5rem; }
.metric-card { background: hsl(var(--color-surface)); border: 1px solid hsl(var(--color-border)); border-radius: var(--radius-lg); padding: 1.5rem; }
.metric-icon { font-size: 1.75rem; color: hsl(var(--color-primary)); margin-bottom: 0.75rem; }
.metric-card h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.metric-card p { font-size: 0.875rem; color: hsl(var(--color-text-secondary)); margin: 0; }
.channel-list { display: flex; flex-direction: column; gap: 1rem; }
.channel-item { padding: 1.1rem 1.25rem; background: hsl(var(--color-surface)); border: 1px solid hsl(var(--color-border)); border-radius: var(--radius-base); }
.channel-label { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.82rem; font-weight: 700; padding: 0.25em 0.75em; border-radius: var(--radius-full); margin-bottom: 0.5rem; }
.channel-label--organic { background: hsl(142 71% 45% / 0.12); color: hsl(142 71% 30%); }
.channel-label--social { background: hsl(213 80% 47% / 0.12); color: hsl(213 80% 40%); }
.channel-label--referral { background: hsl(270 70% 60% / 0.12); color: hsl(270 70% 45%); }
.channel-label--direct { background: hsl(37 92% 50% / 0.12); color: hsl(37 92% 35%); }
.channel-label--email { background: hsl(0 75% 55% / 0.12); color: hsl(0 75% 45%); }
.channel-item p { font-size: 0.875rem; color: hsl(var(--color-text-secondary)); margin: 0; }
.setup-steps { list-style: none; counter-reset: none; display: flex; flex-direction: column; gap: 1.25rem; }
.setup-steps li { display: flex; gap: 1.25rem; align-items: flex-start; }
.step-number { flex-shrink: 0; width: 36px; height: 36px; background: hsl(var(--color-primary)); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem; margin-top: 0.15rem; }
.setup-steps strong { display: block; margin-bottom: 0.25rem; }
.setup-steps p { font-size: 0.875rem; color: hsl(var(--color-text-secondary)); margin: 0; }
.analytics-cta-bar { background: var(--gradient-primary); color: #fff; border-radius: var(--radius-lg); padding: 2.5rem; text-align: center; margin-top: 2rem; }
.analytics-cta-bar h2 { color: #fff; margin-bottom: 0.5rem; }
.analytics-cta-bar p { color: rgba(255,255,255,0.8); margin-bottom: 1.5rem; }

/* CASE STUDIES */
.case-studies-intro { margin-bottom: 2.5rem; }
.case-studies-disclaimer { display: flex; gap: 0.75rem; align-items: flex-start; background: hsl(37 92% 50% / 0.08); border: 1px solid hsl(37 92% 50% / 0.25); border-radius: var(--radius-base); padding: 0.85rem 1.1rem; margin-top: 1.25rem; font-size: 0.875rem; color: hsl(var(--color-text-secondary)); }
.case-studies-disclaimer i { color: hsl(37 92% 45%); flex-shrink: 0; margin-top: 0.1rem; }
.case-studies-disclaimer p { margin: 0; }
.case-studies-list { display: flex; flex-direction: column; gap: 2.5rem; margin-bottom: 3rem; }
.case-study-card { background: hsl(var(--color-surface)); border: 1px solid hsl(var(--color-border)); border-radius: var(--radius-lg); padding: 2rem; }
.case-study-header { margin-bottom: 0.75rem; }
.case-study-category { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: hsl(var(--color-primary)); background: hsl(var(--color-primary) / 0.09); padding: 0.25em 0.7em; border-radius: var(--radius-full); margin-bottom: 0.6rem; display: inline-block; }
.case-study-header h2 { font-size: 1.35rem; line-height: 1.3; }
.case-study-meta { display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.82rem; color: hsl(var(--color-text-secondary)); margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid hsl(var(--color-border)); }
.case-study-meta span { display: flex; align-items: center; gap: 0.35rem; }
.case-study-body h3 { font-size: 1.05rem; margin: 1.5rem 0 0.6rem; }
.case-study-body p { font-size: 0.9rem; color: hsl(var(--color-text-secondary)); }
.case-study-body ul { margin: 0 0 1rem 1.5rem; list-style: disc; }
.case-study-body li { font-size: 0.9rem; color: hsl(var(--color-text-secondary)); margin-bottom: 0.5rem; line-height: 1.65; }
.case-study-results { display: flex; gap: 1.5rem; flex-wrap: wrap; background: hsl(var(--color-surface-alt)); border-radius: var(--radius-base); padding: 1.25rem; margin: 1rem 0; }
.result-stat { text-align: center; }
.result-number { display: block; font-family: var(--font-heading); font-size: 1.75rem; font-weight: 800; color: hsl(var(--color-primary)); line-height: 1.1; }
.result-label { font-size: 0.75rem; color: hsl(var(--color-text-secondary)); font-weight: 500; }
.case-studies-cta-bar { background: var(--gradient-primary); color: #fff; border-radius: var(--radius-lg); padding: 2.5rem; text-align: center; }
.case-studies-cta-bar h2 { color: #fff; margin-bottom: 0.5rem; }
.case-studies-cta-bar p { color: rgba(255,255,255,0.8); margin-bottom: 1.5rem; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE — TABLET (768px+)
   ============================================================ */
@media (min-width: 768px) {
  .section-pad { padding: 5rem 0; }
}

/* ============================================================
   RESPONSIVE — MOBILE (<768px)
   ============================================================ */
@media (max-width: 767px) {
  /* Nav */
  .hamburger { display: flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: hsl(213 51% 18%);
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 8px 24px rgba(0,0,0,.3);
    gap: 0.15rem;
    z-index: 999;
  }
  .nav-menu.active { display: flex; }
  .nav-link { padding: 0.7rem 0.85rem; font-size: 0.95rem; }
  .nav-cta { margin-left: 0; margin-top: 0.5rem; justify-content: center; }
  .dropdown-menu {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-base);
    padding: 0.25rem 0;
    margin: 0.25rem 0 0;
    flex-direction: column;
  }
  .dropdown.active .dropdown-menu { display: flex; }
  .dropdown-item { color: rgba(255,255,255,0.75); padding: 0.55rem 1.1rem; }
  .dropdown-item:hover { background: rgba(255,255,255,0.08); color: #fff; padding-left: 1.4rem; }
  .site-header { position: sticky; }

  /* Ad zones */
  .ad-leaderboard { display: none; }
  .ad-mobile-banner { display: block; }

  /* Grids */
  .features-grid { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr 1fr; }

  /* Page layout */
  .page-layout, .article-layout { grid-template-columns: 1fr; }
  .page-sidebar, .article-sidebar { position: static; }
  .sidebar-ad-sticky { position: static; }

  /* Contact */
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  /* About */
  .about-hero { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* Hero */
  .hero-cta-group { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: 1.25rem; }

  /* CTA */
  .cta-card { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }

  /* Error */
  .error-actions { flex-direction: column; align-items: center; }

  /* Article nav */
  .article-nav { flex-direction: column; }

  /* Back to top */
  .back-to-top { bottom: 1rem; right: 1rem; }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (<480px)
   ============================================================ */
@media (max-width: 479px) {
  .categories-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-stat-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { flex-direction: column; gap: 0.75rem; }
  .category-filters { gap: 0.35rem; }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  .ad-zone, .hamburger, .site-header, .site-footer, .back-to-top,
  .article-nav, .sidebar-cta, .nav-cta { display: none !important; }
  body { background: white; color: black; }
  .article-body a::after { content: " (" attr(href) ")"; font-size: 0.8em; }
  .page-layout, .article-layout { grid-template-columns: 1fr; }
}