@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&family=Nunito:wght@400;500;600;700&display=swap');

:root {
  --mosaic-bg: #ffffff;
  --mosaic-text: #1a1a2e;
  --mosaic-text-muted: #6b7280;
  --mosaic-border: #e5e7eb;
  --mosaic-c1: #e74c3c;
  --mosaic-c2: #3498db;
  --mosaic-c3: #2ecc71;
  --mosaic-c4: #f39c12;
  --mosaic-c5: #9b59b6;
}

body {
  background: var(--mosaic-bg);
  color: var(--mosaic-text);
  font-family: 'Nunito', -apple-system, sans-serif;
  margin: 0;
  min-height: 100vh;
}

/* Header / Nav */
header {
  background: var(--mosaic-bg) !important;
  border-bottom: 3px solid var(--mosaic-c2) !important;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 68px;
  padding: 0.5rem 0;
}
.logo-link {
  font-family: 'Poppins', sans-serif !important;
  font-weight: 800 !important;
  font-size: 1.5rem !important;
  text-decoration: none;
  color: var(--mosaic-text) !important;
  letter-spacing: -0.02em;
}
.logo-link:hover {
  color: var(--mosaic-c2) !important;
}
.main-nav {
  display: flex;
  align-items: center;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 0.15rem;
  margin: 0;
  padding: 0;
}
.nav-links li { margin: 0; }
.nav-links a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--mosaic-text) !important;
  font-family: 'Nunito', sans-serif !important;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.45rem 0.9rem;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
  background: var(--mosaic-c2) !important;
  color: #fff !important;
}
.nav-links a i {
  font-size: 0.82rem;
}
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--mosaic-c2);
  cursor: pointer;
  padding: 0.5rem 0.6rem;
  border-radius: 6px;
}
.bar {
  display: block;
  width: 22px;
  height: 2.5px;
  margin: 4px 0;
  background: var(--mosaic-c2);
  border-radius: 2px;
  transition: all 0.3s;
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--mosaic-bg);
    border-bottom: 3px solid var(--mosaic-c2);
    padding: 0.5rem 1.5rem;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    z-index: 99;
  }
  .nav-links.active { display: flex; }
  .nav-links a { width: 100%; padding: 0.7rem 0.5rem; border-radius: 0; }
  .menu-toggle.active .bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .menu-toggle.active .bar:nth-child(2) { opacity: 0; }
  .menu-toggle.active .bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

/* Footer */
footer {
  background: var(--mosaic-text) !important;
  color: #ccc;
  font-family: 'Nunito', sans-serif;
  font-size: 0.88rem;
  margin-top: 4rem;
}
footer .container {
  max-width: 1200px;
  margin: 0 auto;
}
footer a {
  color: #fff !important;
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  padding: 3rem 1.5rem;
}
.footer-logo .logo-link {
  color: #fff !important;
  font-size: 1.2rem !important;
}
.footer-logo p {
  color: #999;
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  line-height: 1.5;
}
.footer-links h3,
.footer-social h3 {
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0 0 0.8rem;
}
.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: 0.4rem; }
.footer-links a { font-size: 0.85rem; color: #aaa !important; }
.footer-links a:hover { color: #fff !important; }
.social-icons {
  display: flex;
  gap: 1rem;
}
.social-icons a {
  color: #aaa !important;
  font-size: 1.2rem;
  transition: color 0.2s;
}
.social-icons a:hover { color: var(--mosaic-c4) !important; }
.footer-bottom {
  border-top: 1px solid #333;
  padding: 1.2rem 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: #777;
}
.footer-bottom p { margin: 0.2rem 0; }

/* Mosaic Container */
.mosaic-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* Hero */
.mosaic-hero {
  display: block;
  text-decoration: none;
  color: inherit;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 3rem;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}
.mosaic-hero-img {
  position: relative;
}
.mosaic-hero-img img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s;
}
.mosaic-hero:hover .mosaic-hero-img img {
  transform: scale(1.03);
}
.mosaic-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
}
.mosaic-hero-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem 2.5rem;
  color: #fff;
}
.mosaic-hero-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  line-height: 1.15;
  margin: 0.6rem 0 0.8rem;
  color: #fff;
}
.mosaic-hero-body .mosaic-meta {
  color: rgba(255,255,255,0.8);
}
.mosaic-hero-body .mosaic-chip {
  background: var(--mosaic-c1);
  color: #fff;
  border: none;
}

/* Chips */
.mosaic-chip {
  display: inline-block;
  padding: 0.25rem 0.8rem;
  background: #f0f0f0;
  color: var(--mosaic-text);
  font-family: 'Poppins', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.mosaic-meta {
  font-size: 0.85rem;
  color: var(--mosaic-text-muted);
  font-weight: 500;
}

/* Section */
.mosaic-section-head {
  text-align: center;
  margin-bottom: 2rem;
}
.mosaic-section-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--mosaic-text);
  margin: 0 0 0.3rem;
}
.mosaic-section-sub {
  color: var(--mosaic-text-muted);
  font-size: 1rem;
}

/* Grid - 3 columns */
.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

/* Cards with rotating accent colors */
.mosaic-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  border-left: 4px solid var(--mosaic-c1);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: all 0.3s;
}
.mosaic-card:nth-child(5n+1) { border-left-color: var(--mosaic-c1); }
.mosaic-card:nth-child(5n+2) { border-left-color: var(--mosaic-c2); }
.mosaic-card:nth-child(5n+3) { border-left-color: var(--mosaic-c3); }
.mosaic-card:nth-child(5n+4) { border-left-color: var(--mosaic-c4); }
.mosaic-card:nth-child(5n+5) { border-left-color: var(--mosaic-c5); }

.mosaic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

/* Chip colors matching card accent */
.mosaic-card:nth-child(5n+1) .mosaic-chip { background: rgba(231,76,60,0.12); color: var(--mosaic-c1); }
.mosaic-card:nth-child(5n+2) .mosaic-chip { background: rgba(52,152,219,0.12); color: var(--mosaic-c2); }
.mosaic-card:nth-child(5n+3) .mosaic-chip { background: rgba(46,204,113,0.12); color: var(--mosaic-c3); }
.mosaic-card:nth-child(5n+4) .mosaic-chip { background: rgba(243,156,18,0.12); color: var(--mosaic-c4); }
.mosaic-card:nth-child(5n+5) .mosaic-chip { background: rgba(155,89,182,0.12); color: var(--mosaic-c5); }

.mosaic-card-img {
  overflow: hidden;
}
.mosaic-card-img img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}
.mosaic-card:hover .mosaic-card-img img {
  transform: scale(1.05);
}
.mosaic-card-body {
  padding: 1.2rem 1.4rem 1.4rem;
}
.mosaic-card-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.3;
  margin: 0.5rem 0 0.6rem;
  color: var(--mosaic-text);
}

/* Categories */
.mosaic-categories {
  margin-top: 2rem;
}
.mosaic-cat-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}
.mosaic-cat-card {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  background: #f8f9fa;
  border: 2px solid var(--mosaic-border);
  border-radius: 100px;
  text-decoration: none;
  color: var(--mosaic-text);
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s;
}
.mosaic-cat-card:nth-child(5n+1):hover { background: var(--mosaic-c1); color: #fff; border-color: var(--mosaic-c1); }
.mosaic-cat-card:nth-child(5n+2):hover { background: var(--mosaic-c2); color: #fff; border-color: var(--mosaic-c2); }
.mosaic-cat-card:nth-child(5n+3):hover { background: var(--mosaic-c3); color: #fff; border-color: var(--mosaic-c3); }
.mosaic-cat-card:nth-child(5n+4):hover { background: var(--mosaic-c4); color: #fff; border-color: var(--mosaic-c4); }
.mosaic-cat-card:nth-child(5n+5):hover { background: var(--mosaic-c5); color: #fff; border-color: var(--mosaic-c5); }
.mosaic-cat-card i {
  font-size: 0.85rem;
}

/* Breadcrumb */
.mosaic-breadcrumb {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.88rem;
  color: var(--mosaic-text-muted);
  font-weight: 500;
}
.mosaic-breadcrumb a {
  color: var(--mosaic-c2);
  text-decoration: none;
}
.mosaic-breadcrumb a:hover {
  text-decoration: underline;
}

/* Post page */
.mosaic-post-wrap {
  max-width: 800px;
}
.mosaic-article {
  margin-bottom: 3rem;
}
.mosaic-post-header {
  margin-bottom: 2rem;
}
.mosaic-post-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  line-height: 1.15;
  margin: 0.6rem 0 1rem;
  color: var(--mosaic-text);
}
.mosaic-post-img {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 2rem;
}
.mosaic-post-img img {
  width: 100%;
  display: block;
}
.mosaic-post-body {
  font-size: 1.08rem;
  line-height: 1.8;
  color: #374151;
}
.mosaic-post-body p {
  margin-bottom: 1.2rem;
}
.mosaic-post-body h2 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--mosaic-text);
  margin: 2.5rem 0 1rem;
}
.mosaic-post-body h3 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--mosaic-text);
  margin: 2rem 0 0.8rem;
}
.mosaic-post-body a {
  color: var(--mosaic-c2);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.mosaic-post-body blockquote {
  border-left: 4px solid var(--mosaic-c5);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: rgba(155,89,182,0.06);
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: #555;
}
.mosaic-post-body strong {
  font-weight: 700;
  color: var(--mosaic-text);
}

/* Category page */
.mosaic-cat-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.mosaic-cat-page-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 2.2rem;
  color: var(--mosaic-text);
  margin: 0 0 0.5rem;
}

/* Related */
.mosaic-related {
  border-top: 3px solid var(--mosaic-border);
  padding-top: 2rem;
}

/* Empty */
.mosaic-empty {
  text-align: center;
  padding: 3rem;
  color: var(--mosaic-text-muted);
}
.mosaic-empty a {
  display: inline-block;
  margin-top: 1rem;
  color: var(--mosaic-c2);
  text-decoration: none;
  font-weight: 600;
}

/* Responsive */
@media (max-width: 900px) {
  .mosaic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .mosaic-hero-img img {
    height: 320px;
  }
}
@media (max-width: 600px) {
  .mosaic-grid {
    grid-template-columns: 1fr;
  }
  .mosaic-hero-img img {
    height: 250px;
  }
  .mosaic-hero-body {
    padding: 1.5rem;
  }
  .mosaic-container {
    padding: 1.5rem 1rem 3rem;
  }
}