/* =========================
   Materials Grid – Mobile‑first
   ========================= */
:root{
  --wrap-max: 1500px;
  --pad-x: clamp(16px, 4vw, 40px);
  --pad-y: clamp(40px, 6vw, 80px);
  --gap: clamp(16px, 3vw, 28px);
  --title-size: clamp(18px, 2.2vw, 22px);
  --text-size: clamp(14px, 1.6vw, 15px);
  --kicker-size: clamp(25px, 6vw, 70px);
  --card-radius: 12px;
}

/* Section + container */
.materials-section{
  position: relative;
  background:#f3f4f6;
  color:#0f172a;
  padding: var(--pad-y) var(--pad-x);
}
.materials-section .container{
  width: min(var(--wrap-max), 100%);
  margin-inline: auto;
  position: relative;
}

.materials-heading{
  margin-bottom: clamp(12px, 2.5vw, 22px);
  position: relative;
}
.materials-kicker{
  font-weight: 800;
  font-size: var(--kicker-size);
  color: transparent;
  -webkit-text-stroke: 2px #8d919a;
  pointer-events: none;
  user-select: none;
  line-height: 1;
}

/* Grid (fluid columns) */
/* .materials-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--gap);
} */
/* Default: 1 card on very small screens */
.materials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-lg);
}

/* ≥640px: 2 cards */
@media (min-width: 640px) {
  .materials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ≥992px: 3 cards */
@media (min-width: 992px) {
  .materials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}





/* Card */
.material-card{
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: var(--card-radius);
  box-shadow: 0 1px 0 rgba(0,0,0,.02);
  transition: transform .15s ease, box-shadow .15s ease;
  text-decoration: none;
  color: inherit;
  overflow: hidden; /* clip rounded corners for image */
}

@media (hover:hover){
  .material-card:hover{
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.08);
  }
}

.material-card:focus-visible{
  outline: 3px solid #0ea5e9;
  outline-offset: 2px;
}

/* Image area */
.material-card .thumb{
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(10px, 2.5vw, 10px);
  background: #fff;
  border-bottom: 1px solid #f1f5f9;
}
.material-card .thumb img{
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Text */
.material-card .title{
  font-weight: 800;
  font-size: var(--title-size);
  padding: 16px 20px 0;
  margin: 0;
  color: #0f172a;
}
.material-card .description{
  padding: 12px 20px 20px;
  font-size: var(--text-size);
  line-height: 1.6;
  color: #374151;
  flex-grow: 1;
}

/* Optional: roomier desktop tweaks */
@media (min-width: 1024px){
  .materials-section{ padding: calc(var(--pad-y) + 8px) var(--pad-x); }
  .material-card .description{ padding: 14px 24px 24px; }
  .material-card .title{ padding: 18px 24px 0; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  .material-card{ transition: none; }
}