/* ========================================
   Agent System Page Custom Styles
   ======================================== */

/* How To Choose Section */
.choose-software-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.choose-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
  position: relative;
  z-index: 2;
}

.choose-card {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(40, 40, 40, 0.9) 100%);
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.choose-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 280px;
  height: 280px;
  background-image: url('../images/product/card-ag.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.08;
  z-index: 0;
  transition: opacity 0.4s ease;
}

.choose-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top, rgba(255, 193, 7, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
}

.choose-card:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 193, 7, 0.3);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(255, 193, 7, 0.15);
}

.choose-card:hover::before {
  opacity: 0.15;
}

.choose-card:hover::after {
  opacity: 1;
}

.choose-card-icon {
  font-size: 48px;
  color: #ffc107;
  margin-bottom: 25px;
  transition: all 0.4s ease;
  position: relative;
  z-index: 2;
}

.choose-card:hover .choose-card-icon {
  transform: scale(1.15) rotateY(360deg);
  filter: drop-shadow(0 0 20px rgba(255, 193, 7, 0.5));
}

.choose-card h4 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 15px;
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
}

.choose-card:hover h4 {
  color: #ffc107;
}

.choose-card p {
  font-size: 15px;
  color: #aaa;
  line-height: 1.7;
  margin: 0;
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
}

.choose-card:hover p {
  color: #ddd;
}

/* Key Features Section - Two Column Layout */
.key-features-container {
  display: grid;
  grid-template-columns: 500px 1fr;
  gap: 80px;
  margin-top: 50px;
  align-items: start;
}

.key-features-title {
  position: sticky;
  top: 100px;
}

.key-features-title h2 {
  font-size: 56px;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin: 0;
}

.key-features-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.key-feature-item {
  transition: all 0.3s ease;
  padding-left: 0;
  border-left: 3px solid transparent;
  padding-left: 0;
  transition: all 0.4s ease;
}

.key-feature-item:hover {
  border-left-color: #ffc107;
  padding-left: 20px;
}

.key-feature-item h5 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 15px;
  transition: all 0.3s ease;
  line-height: 1.3;
}

.key-feature-item:hover h5 {
  color: #ffc107;
}

.key-feature-item p {
  font-size: 17px;
  color: #999;
  line-height: 1.7;
  margin: 0;
  transition: all 0.3s ease;
}

.key-feature-item:hover p {
  color: #ccc;
}

/* System Functions Grid */
.system-functions-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.system-function-card {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(40, 40, 40, 0.9) 100%);
  border-radius: 16px;
  padding: 30px 20px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.system-function-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.system-function-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 193, 7, 0.4);
  box-shadow: 
    0 15px 50px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(255, 193, 7, 0.2);
}

.system-function-card:hover::before {
  opacity: 1;
}

.system-function-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 2;
}

.system-function-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0.9);
  transition: all 0.4s ease;
}

.system-function-card:hover .system-function-icon {
  transform: scale(1.15);
}

.system-function-card:hover .system-function-icon img {
  filter: brightness(1.2) drop-shadow(0 0 20px rgba(255, 193, 7, 0.5));
}

.system-function-card h5 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 0;
  line-height: 1.4;
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
}

.system-function-card:hover h5 {
  color: #ffc107;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .choose-cards-grid {
    gap: 25px;
  }

  .key-features-grid {
    gap: 35px;
  }

  .system-functions-grid {
    gap: 25px;
  }
}

@media (max-width: 991px) {
  .choose-cards-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .key-features-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .key-features-title {
    position: relative;
    top: 0;
    text-align: center;
  }

  .key-features-title h2 {
    font-size: 38px;
  }

  .key-features-list {
    gap: 35px;
  }

  .key-feature-item h5 {
    font-size: 24px;
  }

  .system-functions-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

@media (max-width: 767px) {
  .choose-software-section {
    padding: 80px 0;
  }

  .choose-card {
    padding: 35px 25px;
  }

  .choose-card::before {
    width: 220px;
    height: 220px;
  }

  .key-features-title h2 {
    font-size: 32px;
  }

  .key-features-list {
    gap: 30px;
  }

  .key-feature-item h5 {
    font-size: 22px;
    margin-bottom: 10px;
  }

  .key-feature-item p {
    font-size: 15px;
  }

  .system-functions-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .system-function-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 15px;
  }

  .system-function-card h5 {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .choose-card {
    padding: 30px 20px;
  }

  .choose-card::before {
    width: 180px;
    height: 180px;
  }

  .choose-card-icon {
    font-size: 40px;
  }

  .choose-card h4 {
    font-size: 18px;
  }

  .key-features-title h2 {
    font-size: 28px;
  }

  .key-features-list {
    gap: 25px;
  }

  .key-feature-item h5 {
    font-size: 20px;
  }

  .key-feature-item p {
    font-size: 14px;
  }

  .system-functions-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}