/* Key features — card grid (all product pages) */

.pkf-section {
  position: relative;
  overflow: hidden;
  padding: 4rem 1.5rem 4.5rem;
  background: #fff;
}

.pkf-inner {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

.pkf-title {
  margin: 0 0 3rem;
  text-align: center;
  font-family: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  font-weight: 800;
  line-height: 1.15;
}

.pkf-title-main,
.pkf-title-accent {
  display: block;
  font-size: clamp(1.5rem, 3.5vw, 2.15rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.pkf-title-main {
  color: #041226;
}

.pkf-title-accent {
  color: #0068b3;
  margin-top: 0.15rem;
}

.pkf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem 1.35rem;
  position: relative;
  z-index: 2;
}

.pkf-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 200px;
  padding: 1.75rem 1.15rem 1.5rem;
  background: #fff;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.pkf-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.11);
}

.pkf-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 1.15rem;
  color: #0068b3;
  font-size: 2.25rem;
  line-height: 1;
}

.pkf-card h3 {
  margin: 0 0 0.85rem;
  font-family: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 800;
  color: #041226;
  line-height: 1.35;
  max-width: 14rem;
}

.pkf-card p {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 400;
  line-height: 1.7;
  color: #4a5f78;
  max-width: 15rem;
}

/* Revolving hex grid — upper right, blue shades */
.pkf-deco {
  position: absolute;
  top: 6%;
  right: 2%;
  width: 380px;
  height: 380px;
  pointer-events: none;
  z-index: 1;
}

.pkf-deco-spin {
  position: absolute;
  inset: 0;
  transform: rotate(0deg);
  transform-origin: 50% 50%;
  will-change: transform;
}

.pkf-hex {
  position: absolute;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  box-shadow: 0 2px 14px rgba(0, 104, 179, 0.08);
}

.pkf-hex--1 {
  width: 42%;
  height: 42%;
  left: 29%;
  top: 29%;
  background: #dbeaf8;
  opacity: 0.95;
}

.pkf-hex--2 {
  width: 32%;
  height: 32%;
  left: 56%;
  top: 14%;
  background: #c5ddf2;
  opacity: 0.9;
}

.pkf-hex--3 {
  width: 30%;
  height: 30%;
  left: 60%;
  top: 46%;
  background: #e8f3fc;
  opacity: 0.92;
}

.pkf-hex--4 {
  width: 28%;
  height: 28%;
  left: 40%;
  top: 60%;
  background: #b3d4ef;
  opacity: 0.88;
}

.pkf-hex--5 {
  width: 26%;
  height: 26%;
  left: 16%;
  top: 50%;
  background: #f0f7fd;
  opacity: 0.85;
}

.pkf-hex--6 {
  width: 24%;
  height: 24%;
  left: 12%;
  top: 22%;
  background: #d0e6f7;
  opacity: 0.82;
}

.pkf-hex--7 {
  width: 22%;
  height: 22%;
  left: 34%;
  top: 8%;
  background: #ffffff;
  opacity: 0.8;
  border: 1px solid rgba(0, 104, 179, 0.18);
}

@media (max-width: 1100px) {
  .pkf-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.35rem;
  }

  .pkf-card {
    min-height: 200px;
  }

  .pkf-card h3,
  .pkf-card p {
    max-width: none;
  }

  .pkf-deco {
    right: -6%;
    opacity: 0.55;
  }
}

@media (max-width: 640px) {
  .pkf-section {
    padding: 3rem 1rem 3.5rem;
  }

  .pkf-grid {
    grid-template-columns: 1fr;
    max-width: 340px;
    margin: 0 auto;
  }

  .pkf-card {
    min-height: 0;
    padding: 1.65rem 1.25rem;
  }

  .pkf-deco {
    width: 240px;
    height: 240px;
    top: 2%;
    right: -18%;
    opacity: 0.4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pkf-deco-spin {
    transform: none !important;
  }
}