/* ============================================================
   SEO Backlinko — Main Stylesheet
   ============================================================ */

/* ---- Variables ------------------------------------------- */
:root {
  --primary:       #4F46E5;
  --primary-light: #EEF2FF;
  --primary-dark:  #3730A3;
  --accent:        #06B6D4;
  --accent-light:  #ECFEFF;
  --success:       #10B981;
  --warning:       #F59E0B;
  --danger:        #EF4444;

  --bg:            #F8FAFC;
  --surface:       #FFFFFF;
  --surface-2:     #F1F5F9;
  --border:        #E2E8F0;
  --border-light:  #F1F5F9;

  --text:          #0F172A;
  --text-muted:    #64748B;
  --text-light:    #94A3B8;

  --radius:        12px;
  --radius-sm:     8px;
  --radius-lg:     20px;
  --radius-full:   9999px;

  --shadow-sm:     0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:        0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg:     0 20px 40px rgba(0,0,0,.10), 0 8px 16px rgba(0,0,0,.06);
  --shadow-xl:     0 32px 64px rgba(79,70,229,.15);

  --transition:    .25s cubic-bezier(.4,0,.2,1);
  --transition-fast: .15s ease;

  --font-body:     'Inter', sans-serif;
  --font-heading:  'Sora', sans-serif;

  --header-h:      70px;
  --container-w:   1200px;
}

/* ---- Reset ----------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }
input, textarea, select { font: inherit; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 4px; }

/* ---- Container ------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ---- Typography ------------------------------------------ */
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--text);
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
p  { color: var(--text-muted); line-height: 1.75; }

/* ---- Buttons --------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .65rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: .9rem;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(79,70,229,.35); }
.btn-secondary { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-sm { padding: .45rem 1rem; font-size: .82rem; }
.btn-lg { padding: .85rem 2rem; font-size: 1rem; }
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  transition: var(--transition);
}
.btn-icon:hover { background: var(--surface-2); color: var(--primary); }

/* ---- Header ---------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition), background var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow); }
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-shrink: 0;
  text-decoration: none;
}
.logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(79,70,229,.35);
}
.logo-text { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 800; }
.logo-main  { color: var(--text); }
.logo-accent { color: var(--primary); }

.main-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
  margin-inline: auto;
}
.nav-link {
  padding: .5rem .85rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: .92rem;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}
.nav-link:hover, .nav-link.active { color: var(--primary); background: var(--primary-light); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle { cursor: pointer; }
.nav-dropdown-toggle i { transition: transform var(--transition); }
.nav-dropdown.open .nav-dropdown-toggle i { transform: rotate(180deg); }
.dropdown-menu {
  position: absolute;
  top: calc(100% + .5rem);
  left: 0;
  min-width: 260px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: .5rem;
  opacity: 0;
  transform: translateY(-8px) scale(.97);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 100;
}
.nav-dropdown.open .dropdown-menu {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem .75rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: .9rem;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.dropdown-item:hover { background: var(--primary-light); color: var(--primary); }
.dropdown-icon { width: 22px; text-align: center; font-size: 1rem; }
.dropdown-count {
  margin-left: auto;
  background: var(--surface-2);
  color: var(--text-light);
  font-size: .75rem;
  font-weight: 600;
  padding: .1rem .4rem;
  border-radius: 999px;
}

.header-actions { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }

/* Reading progress */
.reading-progress {
  position: fixed;
  top: var(--header-h);
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 1001;
  transition: width .1s linear;
  border-radius: 0 2px 2px 0;
}

/* Search overlay */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.search-overlay.active { opacity: 1; pointer-events: all; }
.search-overlay-inner { width: 100%; max-width: 700px; padding: 1rem; }
.search-close {
  display: flex; margin-left: auto; margin-bottom: 1rem;
  color: #fff; font-size: 1.5rem; background: rgba(255,255,255,.1);
  border-radius: var(--radius-full); width: 40px; height: 40px;
  align-items: center; justify-content: center;
  transition: background var(--transition);
}
.search-close:hover { background: rgba(255,255,255,.2); }
.search-input-wrap {
  display: flex; gap: .5rem; align-items: center;
  background: var(--surface); border-radius: var(--radius-full);
  padding: .35rem .35rem .35rem 1.5rem;
  box-shadow: var(--shadow-xl);
}
.search-input-icon { color: var(--text-light); }
.search-input-big {
  flex: 1; border: none; background: none;
  font-size: 1.1rem; color: var(--text);
  padding: .5rem 0;
}
.search-input-big:focus { outline: none; }
.search-hint { color: rgba(255,255,255,.5); text-align: center; margin-top: .75rem; font-size: .85rem; }

/* Mobile nav */
.mobile-menu-toggle { display: none; }
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0; bottom: 0;
  background: var(--surface);
  z-index: 999;
  overflow-y: auto;
  padding: 1rem;
  transform: translateX(-100%);
  transition: transform var(--transition);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .9rem 1rem;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-fast);
}
.mobile-nav-link:hover { background: var(--primary-light); color: var(--primary); }
.hamburger {
  display: block; width: 20px; height: 2px;
  background: var(--text); border-radius: 2px;
  position: relative; transition: var(--transition);
}
.hamburger::before, .hamburger::after {
  content: ''; position: absolute; left: 0;
  width: 20px; height: 2px; background: var(--text);
  border-radius: 2px; transition: var(--transition);
}
.hamburger::before { top: -6px; }
.hamburger::after  { top:  6px; }
.mobile-menu-open .hamburger { background: transparent; }
.mobile-menu-open .hamburger::before { top: 0; transform: rotate(45deg); }
.mobile-menu-open .hamburger::after  { top: 0; transform: rotate(-45deg); }

/* ---- Hero ----------------------------------------------- */
.hero {
  padding-top: calc(var(--header-h) + 4rem);
  padding-bottom: 5rem;
  background: linear-gradient(135deg, #EEF2FF 0%, #E0F2FE 50%, #F0FDF4 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(79,70,229,.12) 0%, transparent 70%);
  top: -100px; right: -100px;
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,.1) 0%, transparent 70%);
  bottom: -50px; left: 10%;
  border-radius: 50%;
}
.hero .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  color: var(--primary); font-size: .82rem; font-weight: 600;
  padding: .35rem .9rem; border-radius: var(--radius-full);
  border: 1px solid rgba(79,70,229,.2);
  margin-bottom: 1.25rem;
}
.hero-badge .pulse-dot {
  width: 8px; height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,.6); }
  50%       { box-shadow: 0 0 0 6px rgba(16,185,129,0); }
}
.hero-title { margin-bottom: 1.25rem; }
.hero-title .highlight {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-lead { font-size: 1.15rem; color: var(--text-muted); max-width: 620px; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 2rem; }
.hero-stat strong { display: block; font-size: 1.6rem; font-weight: 800; color: var(--text); }
.hero-stat span   { font-size: .82rem; color: var(--text-muted); }

/* ---- Section layouts ------------------------------------- */
.section { padding: 4rem 0; }
.section-sm { padding: 2.5rem 0; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header p { max-width: 560px; margin-inline: auto; margin-top: .75rem; }
.section-label {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .78rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--primary);
  margin-bottom: .5rem;
}
.section-label::before, .section-label::after {
  content: ''; display: block; height: 1px;
  width: 24px; background: var(--primary); opacity: .4;
}

/* ---- Cards ----------------------------------------------- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.75rem;
}
.article-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column;
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
}
.card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.article-card:hover .card-image img { transform: scale(1.04); }
.card-image-placeholder {
  width: 100%; height: 100%;
  display: grid; place-items: center;
  font-size: 3rem;
}
.card-category-badge {
  position: absolute; top: .75rem; left: .75rem;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  color: var(--primary);
  font-size: .75rem; font-weight: 700;
  padding: .25rem .7rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(79,70,229,.15);
}
.card-body { padding: 1.4rem; flex: 1; display: flex; flex-direction: column; }
.card-meta {
  display: flex; align-items: center; gap: 1rem;
  font-size: .78rem; color: var(--text-light);
  margin-bottom: .75rem;
  flex-wrap: wrap;
}
.card-meta i { margin-right: .2rem; }
.card-title {
  font-size: 1.1rem; font-weight: 700;
  color: var(--text); line-height: 1.35;
  margin-bottom: .6rem;
  transition: color var(--transition-fast);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card:hover .card-title { color: var(--primary); }
.card-excerpt {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-footer {
  display: flex; align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}
.card-tags { display: flex; gap: .4rem; flex-wrap: wrap; }
.tag {
  font-size: .72rem; font-weight: 600;
  padding: .2rem .55rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
}
.tag-accent { background: var(--accent-light); color: var(--accent); }
.tag-success { background: #DCFCE7; color: var(--success); }
.card-read-link {
  font-size: .82rem; font-weight: 600;
  color: var(--primary);
  display: inline-flex; align-items: center; gap: .3rem;
  transition: gap var(--transition-fast);
}
.card-read-link i { font-size: .7rem; transition: transform var(--transition-fast); }
.article-card:hover .card-read-link i { transform: translateX(3px); }

/* ---- Featured article ------------------------------------ */
.featured-article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 420px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition);
}
.featured-article:hover { box-shadow: var(--shadow-lg); }
.featured-image {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
}
.featured-image img { width: 100%; height: 100%; object-fit: cover; }
.featured-body {
  padding: 2.5rem;
  display: flex; flex-direction: column; justify-content: center;
}
.featured-label {
  font-size: .75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--primary); margin-bottom: .75rem;
  display: flex; align-items: center; gap: .4rem;
}
.featured-body h2 { margin-bottom: 1rem; }
.featured-body p  { margin-bottom: 1.75rem; }
.featured-meta { display: flex; gap: 1.5rem; font-size: .82rem; color: var(--text-light); margin-top: auto; }

/* ---- Categories section ---------------------------------- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}
.category-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
  text-decoration: none; color: inherit;
  display: block;
}
.category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}
.category-icon {
  font-size: 2rem;
  margin-bottom: .75rem;
  display: block;
}
.category-name { font-weight: 700; font-size: .95rem; color: var(--text); margin-bottom: .3rem; }
.category-count { font-size: .8rem; color: var(--text-light); }

/* ---- Sidebar --------------------------------------------- */
.content-sidebar-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2.5rem;
  align-items: start;
}
.sidebar { display: flex; flex-direction: column; gap: 1.5rem; }
.sidebar-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.sidebar-widget h3 {
  font-size: 1rem;
  font-weight: 700;
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: .75rem;
  margin-bottom: 1rem;
  display: flex; align-items: center; gap: .5rem;
}
.sidebar-widget h3 i { color: var(--primary); }
.sidebar-article {
  display: flex; gap: .75rem;
  padding: .65rem 0;
  border-bottom: 1px solid var(--border-light);
}
.sidebar-article:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-article-img {
  width: 64px; height: 64px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--surface-2);
  display: grid; place-items: center;
  font-size: 1.5rem;
}
.sidebar-article-info a {
  font-size: .85rem; font-weight: 600; line-height: 1.3;
  color: var(--text);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color var(--transition-fast);
}
.sidebar-article-info a:hover { color: var(--primary); }
.sidebar-article-meta { font-size: .75rem; color: var(--text-light); margin-top: .2rem; }

/* ---- Article page ---------------------------------------- */
.article-hero {
  padding-top: calc(var(--header-h) + 3rem);
  padding-bottom: 3rem;
  background: linear-gradient(135deg, #EEF2FF 0%, #E0F2FE 100%);
}
.article-breadcrumb {
  display: flex; align-items: center; gap: .5rem;
  font-size: .82rem; color: var(--text-muted);
  margin-bottom: 1.25rem; flex-wrap: wrap;
}
.article-breadcrumb a { color: var(--primary); }
.article-breadcrumb a:hover { text-decoration: underline; }
.article-breadcrumb i { font-size: .6rem; color: var(--text-light); }
.article-hero-meta {
  display: flex; flex-wrap: wrap; gap: 1.25rem;
  font-size: .85rem; color: var(--text-muted);
  margin: 1.25rem 0;
}
.article-hero-meta i { margin-right: .3rem; color: var(--primary); }
.article-hero-title { max-width: 800px; }
.article-hero-excerpt {
  font-size: 1.1rem; color: var(--text-muted);
  max-width: 680px; line-height: 1.75; margin-top: 1rem;
}

.article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden; max-height: 480px;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  display: grid; place-items: center; min-height: 200px;
}
.article-cover img { width: 100%; object-fit: cover; }

/* Article content */
.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
}
.article-content h2 {
  font-size: 1.65rem; margin: 2.5rem 0 1rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--border-light);
}
.article-content h3 { font-size: 1.3rem; margin: 2rem 0 .75rem; color: var(--primary-dark); }
.article-content h4 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
.article-content p  { margin-bottom: 1.25rem; color: var(--text-muted); }
.article-content ul,
.article-content ol { margin: 1rem 0 1.25rem 1.5rem; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: .5rem; color: var(--text-muted); }
.article-content strong { color: var(--text); font-weight: 700; }
.article-content em  { color: var(--primary-dark); }
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--primary-dark);
}
.article-content code {
  background: var(--surface-2);
  color: var(--primary-dark);
  padding: .15rem .4rem;
  border-radius: 4px;
  font-size: .88em;
  font-family: 'Courier New', monospace;
}
.article-content pre {
  background: #1E1B4B;
  color: #C4B5FD;
  padding: 1.5rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 1.5rem 0;
}
.article-content pre code { background: none; color: inherit; padding: 0; }
.article-content a { color: var(--primary); text-decoration: underline; }
.article-content img { border-radius: var(--radius); margin: 1.5rem 0; box-shadow: var(--shadow); }
.article-content table {
  width: 100%; border-collapse: collapse; margin: 1.5rem 0;
  font-size: .92rem;
}
.article-content th {
  background: var(--primary-light); color: var(--primary-dark);
  padding: .75rem 1rem; font-weight: 700; text-align: left;
}
.article-content td {
  padding: .65rem 1rem; border-bottom: 1px solid var(--border-light);
  color: var(--text-muted);
}
.article-content tr:hover td { background: var(--surface-2); }

/* Share */
.article-share {
  display: flex; align-items: center; gap: .75rem;
  flex-wrap: wrap; margin: 2.5rem 0;
  padding: 1.5rem; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--surface-2);
}
.article-share span { font-weight: 600; margin-right: auto; }
.share-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem 1rem; border-radius: var(--radius-full);
  font-size: .82rem; font-weight: 600; transition: var(--transition);
}
.share-twitter { background: #1DA1F2; color: #fff; }
.share-twitter:hover { background: #1a8cd8; }
.share-linkedin { background: #0A66C2; color: #fff; }
.share-linkedin:hover { background: #0958a8; }
.share-copy { background: var(--surface); border: 1px solid var(--border); color: var(--text-muted); }
.share-copy:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }

/* Tags article */
.article-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.5rem 0; align-items: center; }
.article-tags span { font-weight: 600; font-size: .85rem; }

/* ---- Search / Pagination --------------------------------- */
.search-bar {
  display: flex; gap: .5rem; max-width: 560px; margin: 0 auto 3rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-full); padding: .35rem .35rem .35rem 1.25rem;
  box-shadow: var(--shadow-sm);
}
.search-bar input { flex: 1; border: none; background: none; font-size: 1rem; color: var(--text); }
.search-bar input:focus { outline: none; }

.pagination { display: flex; align-items: center; justify-content: center; gap: .5rem; margin-top: 3rem; }
.page-btn {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: var(--transition);
}
.page-btn:hover, .page-btn.active {
  background: var(--primary); color: #fff; border-color: var(--primary);
}
.page-btn.active { pointer-events: none; }

/* ---- Footer ---------------------------------------------- */
.site-footer {
  background: #0F172A;
  color: #94A3B8;
  position: relative;
  margin-top: 5rem;
}
.footer-wave { overflow: hidden; line-height: 0; background: var(--bg); }
.footer-wave svg { display: block; }
.footer-body { padding: 4rem 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer-logo .logo-main  { color: #fff; }
.footer-logo .logo-accent { color: var(--accent); }
.footer-desc { font-size: .88rem; line-height: 1.75; margin: 1rem 0 1.5rem; }
.footer-social { display: flex; gap: .6rem; }
.social-btn {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.06);
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  color: #94A3B8; font-size: .9rem;
  transition: background var(--transition), color var(--transition);
}
.social-btn:hover { background: var(--primary); color: #fff; }
.footer-heading {
  color: #fff; font-size: .95rem; font-weight: 700;
  margin-bottom: 1.25rem;
}
.footer-links li { margin-bottom: .6rem; }
.footer-links a {
  color: #94A3B8; font-size: .88rem;
  display: flex; align-items: center; gap: .4rem;
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: #fff; }
.footer-recent li { margin-bottom: .75rem; }
.footer-recent a {
  color: #94A3B8; font-size: .85rem; line-height: 1.45;
  display: flex; gap: .6rem; align-items: flex-start;
  transition: color var(--transition-fast);
}
.footer-recent a:hover { color: #fff; }
.recent-dot {
  width: 6px; height: 6px;
  background: var(--primary); border-radius: 50%;
  flex-shrink: 0; margin-top: .45rem;
}
.newsletter-form { margin: .75rem 0; }
.newsletter-input-wrap {
  display: flex; gap: .35rem;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-full);
  padding: .3rem .3rem .3rem 1rem;
}
.newsletter-input-wrap input {
  flex: 1; background: none; border: none;
  color: #fff; font-size: .88rem;
}
.newsletter-input-wrap input::placeholder { color: #64748B; }
.newsletter-input-wrap input:focus { outline: none; }
.footer-trust { font-size: .75rem; color: #475569; margin-top: .5rem; }
.footer-trust i { margin-right: .3rem; }
.footer-bottom { padding: 1.25rem 0; }
.footer-bottom-inner {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: .75rem;
}
.footer-bottom p { font-size: .82rem; }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { font-size: .82rem; color: #64748B; transition: color var(--transition-fast); }
.footer-bottom-links a:hover { color: #fff; }

/* ---- Back to top ----------------------------------------- */
.back-to-top {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 900;
  width: 44px; height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-full);
  display: grid; place-items: center;
  box-shadow: 0 4px 16px rgba(79,70,229,.4);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  transform: translateY(10px);
}
.back-to-top.visible { opacity: 1; pointer-events: all; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79,70,229,.5); }

/* ---- Toast ----------------------------------------------- */
.toast-container { position: fixed; bottom: 1.5rem; left: 1.5rem; z-index: 3000; display: flex; flex-direction: column; gap: .5rem; }
.toast {
  display: flex; align-items: center; gap: .75rem;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  padding: .85rem 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: .88rem; font-weight: 500;
  animation: slideInLeft .3s ease forwards;
  min-width: 280px;
}
.toast.toast-success { border-left-color: var(--success); }
.toast.toast-error   { border-left-color: var(--danger); }
.toast.toast-warning { border-left-color: var(--warning); }
@keyframes slideInLeft {
  from { transform: translateX(-20px); opacity: 0; }
  to   { transform: translateX(0);     opacity: 1; }
}

/* ---- Admin styles ---------------------------------------- */
.admin-layout {
  display: flex; min-height: 100vh;
}
.admin-sidebar {
  width: 260px; flex-shrink: 0;
  background: #0F172A;
  padding: 0;
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0;
  overflow-y: auto; z-index: 500;
}
.admin-sidebar-brand {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.admin-nav { padding: 1rem; flex: 1; }
.admin-nav-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .75rem 1rem; border-radius: var(--radius-sm);
  color: #94A3B8; font-size: .9rem; font-weight: 500;
  transition: background var(--transition-fast), color var(--transition-fast);
  margin-bottom: .25rem;
  text-decoration: none;
}
.admin-nav-item i { width: 16px; text-align: center; }
.admin-nav-item:hover, .admin-nav-item.active {
  background: rgba(79,70,229,.2);
  color: #fff;
}
.admin-nav-item.active { color: #A5B4FC; }
.admin-main {
  flex: 1; margin-left: 260px;
  background: #F8FAFC;
  min-height: 100vh;
}
.admin-topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex; align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky; top: 0; z-index: 100;
}
.admin-content { padding: 2rem; }
.admin-page-title { font-size: 1.5rem; font-weight: 800; }

/* Stats cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex; align-items: center; gap: 1rem;
}
.stat-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  display: grid; place-items: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.stat-icon.indigo { background: var(--primary-light); color: var(--primary); }
.stat-icon.cyan   { background: var(--accent-light);  color: var(--accent);  }
.stat-icon.green  { background: #DCFCE7; color: var(--success); }
.stat-icon.amber  { background: #FEF3C7; color: var(--warning); }
.stat-card strong { display: block; font-size: 1.75rem; font-weight: 800; line-height: 1; }
.stat-card span   { font-size: .82rem; color: var(--text-muted); margin-top: .2rem; display: block; }

/* Admin table */
.admin-table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.admin-table-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  background: var(--surface-2);
  padding: .85rem 1rem;
  font-size: .8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em;
  color: var(--text-muted);
  text-align: left;
}
.admin-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-light);
  font-size: .9rem;
  color: var(--text-muted);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--surface-2); }
.admin-table .article-title-cell { font-weight: 600; color: var(--text); max-width: 300px; }
.admin-table .article-title-cell a:hover { color: var(--primary); }

/* Status badge */
.status-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .25rem .65rem; border-radius: var(--radius-full);
  font-size: .75rem; font-weight: 700;
}
.status-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; }
.status-published { background: #DCFCE7; color: #166534; }
.status-published::before { background: var(--success); }
.status-draft     { background: #FEF3C7; color: #92400E; }
.status-draft::before     { background: var(--warning); }

/* Admin form */
.form-group { margin-bottom: 1.5rem; }
.form-label {
  display: block; font-size: .88rem; font-weight: 600;
  color: var(--text); margin-bottom: .4rem;
}
.form-label .required { color: var(--danger); margin-left: .2rem; }
.form-control {
  width: 100%; padding: .7rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .92rem; color: var(--text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}
.form-control.textarea { min-height: 140px; resize: vertical; }
.form-hint { font-size: .78rem; color: var(--text-light); margin-top: .3rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  margin-bottom: 1.5rem;
}
.form-card-title { font-weight: 700; margin-bottom: 1.25rem; padding-bottom: .75rem; border-bottom: 1px solid var(--border-light); }

/* Login page */
.login-wrap {
  min-height: 100vh;
  background: linear-gradient(135deg, #EEF2FF 0%, #E0F2FE 100%);
  display: grid; place-items: center; padding: 2rem;
}
.login-card {
  background: var(--surface); border-radius: var(--radius-lg);
  padding: 2.5rem; width: 100%; max-width: 420px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
}
.login-card .logo { justify-content: center; margin-bottom: 1.75rem; }
.login-title { text-align: center; margin-bottom: .5rem; }
.login-subtitle { text-align: center; color: var(--text-muted); font-size: .9rem; margin-bottom: 2rem; }
.login-footer { text-align: center; margin-top: 1.5rem; font-size: .82rem; color: var(--text-muted); }
.alert {
  padding: .9rem 1.1rem; border-radius: var(--radius-sm);
  font-size: .88rem; margin-bottom: 1.25rem;
  display: flex; align-items: center; gap: .6rem;
}
.alert-error   { background: #FEF2F2; color: #991B1B; border-left: 4px solid var(--danger); }
.alert-success { background: #F0FDF4; color: #166534; border-left: 4px solid var(--success); }

/* Editor (simple textarea for content) */
.editor-toolbar {
  display: flex; flex-wrap: wrap; gap: .25rem;
  padding: .5rem; background: var(--surface-2);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.editor-btn {
  width: 32px; height: 32px;
  border-radius: 4px;
  font-size: .85rem; color: var(--text-muted);
  display: grid; place-items: center;
  transition: background var(--transition-fast);
}
.editor-btn:hover { background: var(--border); color: var(--text); }
.editor-content {
  border-radius: 0 0 var(--radius-sm) var(--radius-sm) !important;
  border-top: none !important;
  font-family: 'Courier New', monospace;
  font-size: .9rem;
  min-height: 400px;
}

/* ---- Animations ------------------------------------------ */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--border-light) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
}
@keyframes skeleton-loading {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---- Utility --------------------------------------------- */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-muted   { color: var(--text-muted); }
.mt-1 { margin-top: .5rem;  }
.mt-2 { margin-top: 1rem;   }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem;   }
.mb-1 { margin-bottom: .5rem;  }
.mb-2 { margin-bottom: 1rem;   }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem;   }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.divider { height: 1px; background: var(--border); margin: 2rem 0; }

/* No articles placeholder */
.empty-state {
  text-align: center; padding: 4rem 1rem;
  color: var(--text-muted);
}
.empty-state i { font-size: 3rem; color: var(--text-light); margin-bottom: 1rem; }

/* ---- Responsive ------------------------------------------ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .content-sidebar-layout { grid-template-columns: 1fr; }
  .featured-article { grid-template-columns: 1fr; }
  .featured-image { min-height: 220px; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .main-nav { display: none; }
  .mobile-menu-toggle { display: flex; }
  .mobile-nav { display: block; }
  .hero { padding-top: calc(var(--header-h) + 2rem); }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .articles-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .form-grid { grid-template-columns: 1fr; }
  .admin-sidebar { transform: translateX(-100%); transition: transform var(--transition); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-topbar { padding: 1rem; }
  .admin-content { padding: 1rem; }
}

@media (max-width: 480px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr; }
  .article-share { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: 1.25rem; }
}

/* ============================================================
   ADVERTISING & MONETIZATION ZONES
   ============================================================ */

/* ---- Ad label -------------------------------------------- */
.ad-label {
  display: block;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: .35rem;
  text-align: center;
}

/* ---- Generic ad zone wrapper ----------------------------- */
.ad-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}
.ad-zone img, .ad-zone iframe { max-width: 100%; height: auto; display: block; }

/* ---- Placeholder (when no code configured) --------------- */
.ad-placeholder {
  width: 100%;
  max-width: 728px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  background: repeating-linear-gradient(
    45deg,
    var(--surface-2) 0px,
    var(--surface-2) 10px,
    var(--border-light) 10px,
    var(--border-light) 20px
  );
  border: 2px dashed var(--border);
  display: flex;
}
.ad-placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  width: 100%;
  padding: 1rem;
  background: rgba(255,255,255,.75);
}
.ad-placeholder-inner i {
  font-size: 1.6rem;
  color: var(--text-light);
}
.ad-placeholder-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
}
.ad-placeholder-size {
  font-size: .72rem;
  color: var(--text-light);
  font-family: monospace;
  background: var(--surface-2);
  padding: .1rem .4rem;
  border-radius: 4px;
}
.ad-placeholder-cta {
  font-size: .75rem;
  color: var(--primary);
  font-weight: 600;
  margin-top: .25rem;
}

/* ---- Top Banner (728×90 leaderboard) --------------------- */
.ad-top-banner {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: .6rem 0;
  text-align: center;
  position: relative;
  z-index: 999;
  margin-top: var(--header-h);
}

/* ---- In-article ad --------------------------------------- */
.in-article-ad-wrap {
  margin: 2rem auto;
  padding: 1.25rem;
  background: linear-gradient(135deg, var(--surface-2), #F8F4FF);
  border: 1px solid rgba(79,70,229,.12);
  border-radius: var(--radius-lg);
  position: relative;
  text-align: center;
  overflow: hidden;
}
.in-article-ad-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79,70,229,.04), rgba(6,182,212,.04));
  pointer-events: none;
}

/* ---- Between-grid ad ------------------------------------- */
.ad-between-grid {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  border: 1px solid rgba(79,70,229,.15);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.ad-between-grid::after {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(79,70,229,.15), transparent);
  border-radius: 50%;
  pointer-events: none;
}

/* ---- Sidebar sticky ad ----------------------------------- */
.sidebar-sticky-ad {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

/* ---- Before-related ad ----------------------------------- */
.ad-before-related {
  margin: 2.5rem 0;
  padding: 1.25rem;
  background: linear-gradient(90deg, var(--surface-2), rgba(79,70,229,.04), var(--surface-2));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

/* ---- Footer banner ad ------------------------------------ */
.ad-footer-banner {
  padding: 1.25rem 0;
  background: rgba(255,255,255,.05);
  border-top: 1px solid rgba(255,255,255,.07);
  border-bottom: 1px solid rgba(255,255,255,.07);
  text-align: center;
  margin-bottom: 1.5rem;
}
.ad-footer-banner .ad-label { color: rgba(255,255,255,.3); }

/* ---- Floating banner ------------------------------------- */
.floating-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 2000;
  background: rgba(15,23,42,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: .75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid rgba(255,255,255,.1);
  transform: translateY(100%);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 -8px 32px rgba(0,0,0,.3);
}
.floating-banner.visible { transform: translateY(0); }
.floating-banner-close {
  position: absolute;
  top: .5rem; right: .75rem;
  color: rgba(255,255,255,.5);
  font-size: .85rem;
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  transition: background var(--transition-fast);
}
.floating-banner-close:hover { background: rgba(255,255,255,.18); color: #fff; }

/* ---- Affiliate widget ------------------------------------ */
.affiliate-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.affiliate-widget-title {
  padding: 1rem 1.25rem .75rem;
  font-size: .95rem;
  font-weight: 700;
  border-bottom: 2px solid var(--primary-light);
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--text);
}
.affiliate-widget-title i { color: var(--warning); }
.affiliate-item {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .9rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  text-decoration: none;
  color: inherit;
  transition: background var(--transition-fast);
  position: relative;
}
.affiliate-item:last-child { border-bottom: none; }
.affiliate-item:hover { background: var(--primary-light); }
.affiliate-item:hover .affiliate-name { color: var(--primary); }
.affiliate-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--primary);
  overflow: hidden;
}
.affiliate-icon img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.affiliate-info { flex: 1; }
.affiliate-name { font-size: .88rem; font-weight: 700; color: var(--text); margin-bottom: .1rem; transition: color var(--transition-fast); }
.affiliate-desc { font-size: .75rem; color: var(--text-light); line-height: 1.35; }
.affiliate-badge {
  font-size: .68rem;
  font-weight: 700;
  padding: .2rem .5rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ---- Inline affiliate CTA (in article) ------------------- */
.affiliate-inline-box {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent-light) 100%);
  border: 1px solid rgba(79,70,229,.2);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.affiliate-inline-box::before {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(79,70,229,.1) 0%, transparent 70%);
  top: -50px; right: -50px;
  pointer-events: none;
}
.affiliate-inline-box:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.affiliate-inline-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.5rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(79,70,229,.3);
}
.affiliate-inline-content { flex: 1; }
.affiliate-inline-content strong { display: block; font-size: 1rem; color: var(--text); margin-bottom: .25rem; }
.affiliate-inline-content span   { font-size: .85rem; color: var(--text-muted); }
.affiliate-inline-btn {
  background: var(--primary);
  color: #fff !important;
  padding: .6rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: .85rem;
  font-weight: 700;
  white-space: nowrap;
  transition: background var(--transition);
  flex-shrink: 0;
}
.affiliate-inline-box:hover .affiliate-inline-btn { background: var(--primary-dark); }

/* ---- Ad-aware articles grid (for between-grid slot) ------ */
.articles-grid-ad {
  display: contents;
}

/* ---- Admin ads page -------------------------------------- */
.ad-zone-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.ad-zone-card:hover { box-shadow: var(--shadow); }
.ad-zone-card-header {
  padding: 1rem 1.25rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
.ad-zone-card-header h3 {
  font-size: .95rem; font-weight: 700; margin: 0;
}
.ad-zone-card-body { padding: 1.25rem; }
.ad-zone-note {
  font-size: .78rem;
  color: var(--text-light);
  background: var(--surface-2);
  padding: .4rem .75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: .4rem;
}
.ad-zone-note i { color: var(--primary); flex-shrink: 0; margin-top: .1rem; }
.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  cursor: pointer;
}
.toggle-switch input { display: none; }
.toggle-track {
  width: 44px; height: 24px;
  background: var(--border);
  border-radius: var(--radius-full);
  transition: background var(--transition);
  position: relative;
}
.toggle-switch input:checked + .toggle-track { background: var(--success); }
.toggle-track::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  top: 3px; left: 3px;
  transition: transform var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
.toggle-switch input:checked + .toggle-track::after { transform: translateX(20px); }
.ad-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.25rem;
}

/* ---- Responsive ads -------------------------------------- */
@media (max-width: 768px) {
  .ad-top-banner { margin-top: 64px; }
  .ad-placeholder { height: auto !important; min-height: 60px; }
  .affiliate-inline-box { flex-wrap: wrap; }
  .affiliate-inline-btn { width: 100%; text-align: center; }
  .ad-grid { grid-template-columns: 1fr; }
  .floating-banner { padding: .6rem .75rem; }
}