/* ===== KEUNGGULAN SECTION ===== */
.keunggulan {
  padding: 80px 20px;
  background: linear-gradient(180deg, #071a3a, #0d2c6b);
  color: #ffffff;
  text-align: center;
}

.container {
  max-width: 1200px;
  margin: auto;
}

/* TITLE */
.section-title {
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 10px;
}

.section-title span {
  color: #4fc3ff;
  text-shadow: 0 0 10px rgba(79,195,255,0.7);
}

/* SUBTITLE */
.section-subtitle {
  font-size: 16px;
  color: #cfd8dc;
  max-width: 700px;
  margin: 0 auto 50px;
  line-height: 1.6;
}

/* GRID */
.keunggulan {
  padding: 100px 20px;
  background: linear-gradient(135deg, #071c3c, #0d47a1);
  position: relative;
  overflow: hidden;
}

.keunggulan::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,150,255,0.3), transparent);
  top: -150px;
  left: -150px;
}

.keunggulan::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,200,255,0.2), transparent);
  bottom: -150px;
  right: -150px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  z-index: 2;
}

.section-header h2 {
  font-size: 36px;
  color: #ffffff;
  margin-bottom: 10px;
}

.section-header p {
  color: #b0c4de;
  max-width: 600px;
  margin: auto;
}

.keunggulan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  position: relative;
  z-index: 2;
}

.card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255,255,255,0.1);
  transition: 0.4s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  width: 150%;
  height: 150%;
  background: linear-gradient(120deg, transparent, rgba(0, 180, 255, 0.3), transparent);
  top: -50%;
  left: -50%;
  transform: rotate(25deg);
  opacity: 0;
  transition: 0.5s;
}

.card:hover::before {
  opacity: 1;
}

.card:hover {
  transform: translateY(-10px) scale(1.03);
  border-color: #00c6ff;
  box-shadow: 0 10px 40px rgba(0,150,255,0.4);
}

.icon {
  font-size: 40px;
  margin-bottom: 15px;
}

/* ICON */
.card .icon {
  font-size: 42px;
  margin-bottom: 15px;
}

/* TITLE */
.card h3 {
  color: #ffffff;
  margin-bottom: 10px;
}

.card p {
  color: #b0c4de;
  font-size: 14px;
}


/* CTA */
.cta-bottom {
  margin-top: 50px;
}

.btn-daftar {
  display: inline-block;
  padding: 14px 35px;
  border-radius: 50px;
  background: linear-gradient(90deg, #2196f3, #4fc3ff);
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  transition: 0.3s;
  box-shadow: 0 0 15px rgba(79,195,255,0.4);
}

.btn-daftar:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px #4fc3ff;
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .keunggulan-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .keunggulan-grid {
    grid-template-columns: 1fr;
  }

  .section-header h2 {
    font-size: 28px;
  }
}

  .section-title {
    font-size: 26px;
  }