/* ============================================
   UNIVERSAL CARD SYSTEM — MODERN CLEAN DESIGN
   Used for: Articles, Tools, Services, Courses
=============================================== */

/* GRID WRAPPER */
.card-grid {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  gap: 2rem;
}

/* Desktop Layout */
.card-grid {
  grid-template-columns: repeat(3, 1fr);
}

/* Tablet */
@media (max-width: 992px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 640px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   BASE CARD
=============================================== */

.card {
  display: block;
  background: #ffffff;
  border-radius: 18px;
  overflow: hidden;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(0,0,0,0.06);
  transition: transform .25s ease, box-shadow .25s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 38px rgba(0,0,0,0.12);
}

/* ============================================
   IMAGE CARDS (Articles & Services)
=============================================== */

.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: #eef2f7;
}

.card .content {
  padding: 1.5rem;
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.55rem;
  line-height: 1.4;
}

.card p {
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.55;
}

/* ============================================
   TOOL CARDS (Icon-Based)
=============================================== */

.tool-card img {
  display: none; /* No photos for tool cards */
}

/* Icon container */
.tool-icon {
  height: 64px;
  width: 64px;
  margin: 1.3rem auto 1rem;
  border-radius: 50%;
  background: #f1f5f9;
  display: flex;
  justify-content: center;
  align-items: center;
}

.tool-icon svg {
  height: 30px;
  width: 30px;
  stroke-width: 1.6;
}

/* Text for tool cards */
.tool-card .content {
  padding: 1rem 1.5rem 1.8rem;
  text-align: center;
}

/* ============================================
   SMALL BORDER ACCENTS (Optional, Clean)
=============================================== */

.card-accent-blue { border-top: 4px solid #3b82f6; }
.card-accent-green { border-top: 4px solid #10b981; }
.card-accent-pink { border-top: 4px solid #ec4899; }
.card-accent-purple { border-top: 4px solid #8b5cf6; }
.card-accent-orange { border-top: 4px solid #f97316; }
.card-accent-yellow { border-top: 4px solid #facc15; }