/* ===== Aozhong Focused Applications Section - No Icons ===== */
.az-use-section {
  width: 100%;
  padding: 40px 20px;
  font-family: Arial, Helvetica, sans-serif;
  box-sizing: border-box;
}

.az-use-container {
  max-width: 1180px;
  margin: 0 auto;
}

.az-use-head {
  max-width: 820px;
  margin-bottom: 46px;
}

.az-use-eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 13px;
  line-height: 1;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  font-weight: 700;
  color: #cf1f2e;
}

.az-use-head h2 {
  margin: 0 0 16px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.08;
  font-weight: 800;
  color: #101820;
}

.az-use-head p {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: #5f6b76;
}

.az-use-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.az-use-card {
  position: relative;
  overflow: hidden;
  min-height: 330px;
  padding: 34px 28px 30px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(16, 24, 32, 0.08);
  border-radius: 24px;
  box-shadow: 0 18px 45px rgba(16, 24, 32, 0.08);
  box-sizing: border-box;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

/* Featured first application */
.az-use-featured {
  background:
    linear-gradient(145deg, rgba(16, 24, 32, 0.96), rgba(31, 43, 54, 0.96)),
    radial-gradient(circle at top right, rgba(207, 31, 46, 0.32), transparent 38%);
  color: #ffffff;
  box-shadow: 0 24px 60px rgba(16, 24, 32, 0.20);
}

/* White light sweep */
.az-use-card::before {
  content: "";
  position: absolute;
  top: -45%;
  left: -90%;
  width: 65%;
  height: 190%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(255, 255, 255, 0.12) 28%,
    rgba(255, 255, 255, 0.9) 50%,
    rgba(255, 255, 255, 0.14) 72%,
    transparent 100%
  );
  transform: rotate(10deg);
  transition: left 0.78s ease;
  pointer-events: none;
  z-index: 2;
}

.az-use-card:hover::before {
  left: 125%;
}

.az-use-card:hover {
  transform: translateY(-8px);
  border-color: rgba(207, 31, 46, 0.28);
  box-shadow: 0 28px 65px rgba(16, 24, 32, 0.16);
}

.az-use-top {
  margin-bottom: 24px;
  position: relative;
  z-index: 3;
}

.az-use-index {
  display: block;
  margin-bottom: 10px;
  color: #cf1f2e;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  font-weight: 800;
}

.az-use-featured .az-use-index {
  color: rgba(255, 255, 255, 0.72);
}

.az-use-card h3 {
  margin: 0;
  font-size: 23px;
  line-height: 1.28;
  font-weight: 850;
  color: #101820;
}

.az-use-featured h3 {
  color: #ffffff;
}

.az-use-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(207, 31, 46, 0.1);
  color: #cf1f2e;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  font-weight: 850;
  position: relative;
  z-index: 3;
}

.az-use-featured .az-use-tag {
  background: #cf1f2e;
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(207, 31, 46, 0.34);
}

.az-use-list {
  margin: 0;
  padding: 0;
  list-style: none;
  position: relative;
  z-index: 3;
}

.az-use-list li {
  position: relative;
  padding: 13px 0 13px 24px;
  border-bottom: 1px solid rgba(16, 24, 32, 0.08);
  color: #5f6b76;
  font-size: 15.5px;
  line-height: 1.45;
}

.az-use-list li:last-child {
  border-bottom: none;
}

.az-use-featured .az-use-list li {
  color: rgba(255, 255, 255, 0.78);
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.az-use-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 8px;
  height: 8px;
  background: #cf1f2e;
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(207, 31, 46, 0.1);
}

.az-use-featured .az-use-list li::before {
  box-shadow: 0 0 0 5px rgba(207, 31, 46, 0.22);
}

/* Entrance animation */
.az-use-card {
  opacity: 0;
  transform: translateY(24px);
  animation: azUseFadeUp 0.75s ease forwards;
}

.az-use-card:nth-child(1) {
  animation-delay: 0.05s;
}

.az-use-card:nth-child(2) {
  animation-delay: 0.15s;
}

.az-use-card:nth-child(3) {
  animation-delay: 0.25s;
}

.az-use-card:nth-child(4) {
  animation-delay: 0.35s;
}

@keyframes azUseFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .az-use-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .az-use-card {
    min-height: 300px;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .az-use-section {
    padding: 64px 16px;
  }

  .az-use-head {
    margin-bottom: 32px;
  }

  .az-use-head p {
    font-size: 15.5px;
  }

  .az-use-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .az-use-card {
    min-height: auto;
    padding: 28px 22px;
    border-radius: 20px;
  }

  .az-use-card h3 {
    font-size: 21px;
  }

  .az-use-list li {
    font-size: 15px;
  }
}