/*
Theme Name: Fintechai
Theme URI: https://fintechai.lt
Description: Custom lightweight theme for fintechai.lt – AI, Crypto, Investavimas
Author: fintechai.lt
Version: 1.0.0
Text Domain: fintechai
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --color-primary:     #0A2540;
  --color-secondary:   #00D4AA;
  --color-accent:      #FF6B6B;
  --color-bg:          #F6F9FC;
  --color-surface:     #FFFFFF;
  --color-text:        #1A1A2E;
  --color-text-muted:  #5A6C7D;
  --color-border:      #E2E8F0;

  --font-sans:   'Inter', system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', 'Courier New', monospace;

  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;

  --shadow-card: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-hover: 0 10px 25px -3px rgba(0,0,0,0.15);

  --transition: 0.2s ease;

  --max-width: 1200px;
  --sidebar-width: 320px;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg:         #0D1117;
  --color-surface:    #161B22;
  --color-text:       #E6EDF3;
  --color-text-muted: #8B949E;
  --color-border:     #30363D;
  --shadow-card: 0 4px 6px -1px rgba(0,0,0,0.4);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.7;
  transition: background var(--transition), color var(--transition);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary); }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--color-text);
  line-height: 1.3;
  font-weight: 700;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }

p { margin-bottom: 1.2rem; color: var(--color-text); }

.mono { font-family: var(--font-mono); }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-main {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 40px;
  max-width: var(--max-width);
  margin: 40px auto;
  padding: 0 24px;
}

.site-main.full-width {
  grid-template-columns: 1fr;
}

/* ============================================================
   HEADER & NAV
   ============================================================ */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  gap: 32px;
}

.site-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary) !important;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.site-logo span {
  color: var(--color-secondary);
}

/* Primary Nav */
.primary-nav { display: flex; align-items: center; gap: 4px; list-style: none; }

.primary-nav > li { position: relative; }

.primary-nav > li > a {
  display: block;
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.primary-nav > li > a:hover,
.primary-nav > li.current-menu-item > a {
  background: rgba(0,212,170,0.1);
  color: var(--color-primary);
}

/* Dropdown */
.primary-nav .dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 220px;
  box-shadow: var(--shadow-hover);
  list-style: none;
  z-index: 999;
}

.primary-nav > li:hover .dropdown { display: block; }

.primary-nav .dropdown li a {
  display: block;
  padding: 8px 12px;
  font-size: 0.85rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
}
.primary-nav .dropdown li a:hover {
  background: rgba(10,37,64,0.06);
  color: var(--color-primary);
}

/* Header right */
.header-right { display: flex; align-items: center; gap: 12px; }

.header-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 14px;
}
.header-search input {
  border: none;
  background: transparent;
  font-size: 0.85rem;
  color: var(--color-text);
  outline: none;
  width: 160px;
}
.header-search input::placeholder { color: var(--color-text-muted); }

/* Dark Mode Toggle */
.theme-toggle {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  width: 42px;
  height: 24px;
  cursor: pointer;
  position: relative;
  transition: background var(--transition);
  flex-shrink: 0;
}
.theme-toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  transition: transform var(--transition);
}
[data-theme="dark"] .theme-toggle { background: var(--color-secondary); }
[data-theme="dark"] .theme-toggle::after { transform: translateX(18px); background: #fff; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0d3b6e 100%);
  padding: 80px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300D4AA' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }

.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 16px;
}

.hero p {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.hero-cta {
  display: inline-block;
  background: var(--color-secondary);
  color: var(--color-primary) !important;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 1rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,212,170,0.4);
}

/* ============================================================
   CRYPTO TICKER WIDGET
   ============================================================ */
.crypto-ticker {
  background: var(--color-primary);
  color: #fff;
  padding: 10px 0;
  overflow: hidden;
}
.crypto-ticker-inner {
  display: flex;
  gap: 40px;
  align-items: center;
  padding: 0 24px;
}
.crypto-ticker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  font-size: 0.85rem;
}
.crypto-ticker-item .symbol {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-secondary);
}
.crypto-ticker-item .price {
  font-family: var(--font-mono);
  font-weight: 600;
}
.crypto-ticker-item .change.up   { color: #4ade80; }
.crypto-ticker-item .change.down { color: var(--color-accent); }

/* ============================================================
   CARDS & POST GRID
   ============================================================ */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.posts-grid.two-col { grid-template-columns: repeat(2, 1fr); }
.posts-grid.one-col { grid-template-columns: 1fr; }

.post-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.post-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card:hover .post-card-image img { transform: scale(1.04); }

.post-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.category-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.category-badge.crypto      { background: rgba(0,212,170,0.15); color: #00a884; }
.category-badge.ai          { background: rgba(99,102,241,0.15); color: #4f46e5; }
.category-badge.investavimas{ background: rgba(245,158,11,0.15);  color: #d97706; }
.category-badge.prietaisai  { background: rgba(239,68,68,0.15);   color: #dc2626; }

.post-card h3 {
  font-size: 1rem;
  line-height: 1.4;
  margin-bottom: 8px;
  flex: 1;
}
.post-card h3 a { color: var(--color-text); }
.post-card h3 a:hover { color: var(--color-secondary); }

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 14px;
}
.post-meta .read-time::before { content: '⏱ '; }

/* ============================================================
   FEATURED CARDS (3 big cards on homepage)
   ============================================================ */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 48px 0;
}

.featured-card {
  background: linear-gradient(135deg, var(--color-primary), #0d3b6e);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
}
.featured-card:hover { transform: translateY(-4px); }
.featured-card h3 { color: #fff; margin-bottom: 8px; }
.featured-card p  { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin-bottom: 16px; }
.featured-card .card-link {
  color: var(--color-secondary) !important;
  font-weight: 700;
  font-size: 0.9rem;
}
.featured-card .card-icon {
  position: absolute;
  right: 20px;
  top: 20px;
  font-size: 2rem;
  opacity: 0.4;
}

/* ============================================================
   SECTION HEADERS + TABS
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.section-header h2 { font-size: 1.4rem; }

.tab-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.tab-btn:hover, .tab-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* Load More */
.load-more-btn {
  display: block;
  margin: 32px auto 0;
  padding: 12px 32px;
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: all var(--transition);
}
.load-more-btn:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar { display: flex; flex-direction: column; gap: 24px; }

.widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}
.widget-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-secondary);
  display: inline-block;
}

.widget.sticky-widget {
  position: sticky;
  top: 80px;
}

/* Popular posts in sidebar */
.popular-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.popular-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.87rem;
}
.popular-list .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-secondary);
  min-width: 20px;
}
.popular-list a { color: var(--color-text); font-weight: 500; }
.popular-list a:hover { color: var(--color-secondary); }

/* ============================================================
   NEWSLETTER SECTION
   ============================================================ */
.newsletter-section {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  margin: 48px 0;
}
.newsletter-section h2 { color: #fff; margin-bottom: 8px; }
.newsletter-section p  { color: rgba(255,255,255,0.75); margin-bottom: 24px; }

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}
.newsletter-form input[type="email"] {
  flex: 1;
  padding: 12px 18px;
  border-radius: 999px;
  border: none;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  background: rgba(255,255,255,0.15);
  color: #fff;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.5); }
.newsletter-form button {
  padding: 12px 24px;
  background: var(--color-secondary);
  color: var(--color-primary);
  border: none;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  white-space: nowrap;
  transition: opacity var(--transition);
}
.newsletter-form button:hover { opacity: 0.9; }

/* Inline newsletter (inside article) */
.newsletter-inline {
  background: rgba(0,212,170,0.08);
  border: 1px solid rgba(0,212,170,0.3);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 32px 0;
  text-align: center;
}
.newsletter-inline p { color: var(--color-text); margin-bottom: 16px; }
.newsletter-inline .newsletter-form { justify-content: center; }

/* ============================================================
   SINGLE POST
   ============================================================ */
.single-post-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 40px;
  max-width: var(--max-width);
  margin: 40px auto;
  padding: 0 24px;
}

.post-header { margin-bottom: 32px; }
.post-header .category-badge { margin-bottom: 16px; }
.post-header h1 { margin-bottom: 16px; }

.post-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 14px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.post-meta-bar .author { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--color-text); }
.post-meta-bar .author img { width: 28px; height: 28px; border-radius: 50%; }

.share-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 24px 0;
  flex-wrap: wrap;
}
.share-btn {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.share-btn:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.post-featured-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 32px;
  aspect-ratio: 16/9;
}
.post-featured-image img { width: 100%; height: 100%; object-fit: cover; }

/* Article content */
.article-content { font-size: 1.05rem; line-height: 1.8; }
.article-content h2 { margin: 2rem 0 1rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
.article-content h3 { margin: 1.5rem 0 0.75rem; }
.article-content ul, .article-content ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
.article-content li { margin-bottom: 0.4rem; }
.article-content blockquote {
  border-left: 4px solid var(--color-secondary);
  padding: 12px 20px;
  background: rgba(0,212,170,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
  font-style: italic;
}
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.95rem; }
.article-content th { background: var(--color-primary); color: #fff; padding: 10px 14px; text-align: left; }
.article-content td { padding: 10px 14px; border-bottom: 1px solid var(--color-border); }
.article-content tr:nth-child(even) td { background: rgba(0,0,0,0.02); }

/* Info/warning box */
.info-box {
  background: rgba(0,212,170,0.08);
  border: 1px solid rgba(0,212,170,0.3);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.warning-box {
  background: rgba(255,107,107,0.08);
  border: 1px solid rgba(255,107,107,0.3);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.info-box strong, .warning-box strong { display: block; margin-bottom: 4px; }

/* TOC */
.table-of-contents {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 2rem 0;
  font-size: 0.9rem;
}
.table-of-contents h4 { margin-bottom: 12px; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); }
.table-of-contents ol { padding-left: 1.2rem; }
.table-of-contents li { margin-bottom: 6px; }
.table-of-contents a { color: var(--color-text); }
.table-of-contents a:hover { color: var(--color-secondary); }

/* Author box */
.author-box {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 40px;
}
.author-box img { width: 72px; height: 72px; border-radius: 50%; flex-shrink: 0; }
.author-box-info h4 { margin-bottom: 4px; }
.author-box-info p { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 10px; }
.author-social { display: flex; gap: 8px; }
.author-social a { font-size: 0.8rem; color: var(--color-secondary); font-weight: 600; }

/* Related posts */
.related-posts { margin-top: 40px; }
.related-posts h3 { margin-bottom: 20px; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-secondary); }
.breadcrumb .sep { opacity: 0.4; }

/* ============================================================
   CALCULATOR PAGE
   ============================================================ */
.calculator-section {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px;
}
.calculator-section h1 { margin-bottom: 8px; }
.calculator-section .subtitle { color: var(--color-text-muted); margin-bottom: 32px; }

.calc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.calc-field { margin-bottom: 20px; }
.calc-field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}
.calc-field input[type="number"] {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-mono);
  background: var(--color-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition);
}
.calc-field input:focus { border-color: var(--color-secondary); }

.toggle-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin: 4px 0 20px;
}
.toggle-field label { font-weight: 600; font-size: 0.95rem; }
.toggle-switch {
  width: 44px;
  height: 24px;
  background: var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  position: relative;
  border: none;
  transition: background var(--transition);
  flex-shrink: 0;
}
.toggle-switch.on { background: var(--color-secondary); }
.toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition);
}
.toggle-switch.on::after { transform: translateX(20px); }

.calc-btn {
  width: 100%;
  padding: 14px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background var(--transition);
  margin-top: 8px;
}
.calc-btn:hover { background: #0d3b6e; }

.calc-results {
  display: none;
  margin-top: 24px;
  border-top: 2px solid var(--color-secondary);
  padding-top: 24px;
}
.calc-results.visible { display: block; }

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}
.result-row.total {
  font-size: 1.1rem;
  font-weight: 700;
  border-bottom: none;
  padding-top: 14px;
}
.result-row .amount {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-primary);
}
.result-row.total .amount { color: var(--color-accent); font-size: 1.3rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { color: rgba(255,255,255,0.6); font-size: 0.88rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--color-secondary); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
}

.social-links { display: flex; gap: 12px; }
.social-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  font-weight: 600;
  transition: color var(--transition);
}
.social-links a:hover { color: var(--color-secondary); }

.affiliate-notice {
  background: rgba(255,107,107,0.1);
  border: 1px solid rgba(255,107,107,0.3);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 12px;
}

/* ============================================================
   AD UNITS
   ============================================================ */
.ad-sidebar    { min-height: 250px; background: var(--color-bg); border: 1px dashed var(--color-border); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); font-size: 0.8rem; }
.ad-in-content { min-height: 90px; background: var(--color-bg); border: 1px dashed var(--color-border); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); font-size: 0.8rem; margin: 24px 0; }

/* ============================================================
   MOBILE MENU
   ============================================================ */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-surface);
  z-index: 2000;
  padding: 24px;
  overflow-y: auto;
  flex-direction: column;
  gap: 16px;
}
.mobile-menu.open { display: flex; }
.mobile-menu-close {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu nav a {
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  border-bottom: 1px solid var(--color-border);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .site-main, .single-post-layout {
    grid-template-columns: 1fr;
  }
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .sidebar { display: none; }
}

@media (max-width: 768px) {
  .primary-nav, .header-search { display: none; }
  .hamburger { display: flex; }
  .posts-grid, .featured-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .newsletter-form { flex-direction: column; }
  .hero { padding: 48px 24px; }
  .author-box { flex-direction: column; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .calc-card { padding: 20px; }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center   { text-align: center; }
.text-muted    { color: var(--color-text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.section-gap   { margin: 48px 0; }
.pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.pill-green { background: rgba(0,212,170,0.15); color: #00a884; }
.pill-red   { background: rgba(255,107,107,0.15); color: #dc2626; }

.skeleton {
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-bg) 50%, var(--color-border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }