* {
  box-sizing: border-box;
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  margin: 0;
  background: #f2f2f2;
  color: #111;
  line-height: 1.6;
}

/* ===== HEADER ===== */
header {
  background: linear-gradient(135deg, #000000, #1f1f1f);
  color: #ffffff;
  text-align: center;
  padding: 1.6rem 1rem;
}

header h1 {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 700;
}

header p {
  margin-top: 6px;
  font-size: 0.95rem;
  opacity: 0.85;
}

/* ===== TOP NAVIGATION ===== */
.top-nav {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.top-nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 14px;
  border-radius: 20px;
}

.top-nav a:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ===== MAIN CONTAINER ===== */
main {
  max-width: 1200px;
  margin: auto;
  padding: 1rem;
}

/* ===== SUBJECT CARD (HOME PAGE) ===== */
.subject {
  background: #ffffff;
  border-radius: 14px;
  margin-bottom: 1.6rem;
  padding: 1.2rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.subject h2 {
  margin: 0 0 1rem 0;
  color: #000;
  font-size: 1.25rem;
  font-weight: 700;
}

/* ===== YEAR GRID ===== */
.year-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
}

/* ===== YEAR CARD ===== */
.year-card {
  background: #f5f5f5;
  padding: 14px 10px;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.2s ease, background 0.2s ease;
}

.year-card strong {
  font-size: 1rem;
  font-weight: 600;
  color: #111;
}

.year-card:hover {
  transform: translateY(-4px);
  background: #e6e6e6;
}

/* ===== DOWNLOAD BUTTON ===== */
.year-card a {
  display: block;
  margin-top: 10px;
  padding: 9px 0;
  background: #000000;
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.15s ease;
}

.year-card a:hover {
  background: #333333;
  transform: scale(1.03);
}

/* ==================================================
   BLOG PAGE (DESKTOP – UNCHANGED LOOK)
================================================== */

.blog-list {
  max-width: 1000px;
  margin: auto;
  padding: 1rem;
}

.blog-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 1.2rem;
  margin-bottom: 1.2rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.blog-card h2 {
  font-size: 1.1rem;
  margin: 0 0 6px 0;
  color: #000;
}

.blog-card p {
  font-size: 0.9rem;
  color: #555;
  margin: 0 0 12px 0;
}

.blog-card a {
  display: inline-block;
  padding: 8px 16px;
  background: #000;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.blog-card a:hover {
  background: #333;
}

/* ==================================================
   BLOG PAGE – MOBILE FIX (ONLY THIS CHANGES)
================================================== */

@media (max-width: 600px) {

  /* tighter container */
  .blog-list {
    padding: 0.6rem;
  }

  /* cards more readable */
  .blog-card {
    padding: 1.1rem;
    margin-bottom: 1.4rem;
    border-radius: 16px;
  }

  /* blog titles */
  .blog-card h2 {
    font-size: 1.05rem;
    line-height: 1.5;
  }

  /* blog description */
  .blog-card p {
    font-size: 0.95rem;
    line-height: 1.6;
  }
.ad-native {
  margin: 1.5rem 0;
}

  /* Read More button becomes full-width */
  .blog-card a {
    display: block;
    width: 100%;
    text-align: center;
    padding: 12px;
    font-size: 0.95rem;
    min-height: 44px;
  }
}

/* Extra small phones */
@media (max-width: 360px) {
  .blog-card h2 {
    font-size: 1rem;
  }

  .blog-card p {
    font-size: 0.9rem;
  }
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
  color: #555;
}
/* ===========================
   RESPONSIVE BANNER ADS
=========================== */
.ad-desktop {
  display: block;
  text-align: center;
  margin: 1rem 0;
}

.ad-mobile {
  display: none;
  text-align: center;
  margin: 1rem 0;
}

@media (max-width: 768px) {
  .ad-desktop {
    display: none;
  }
  .ad-mobile {
    display: block;
  }
}