.rtp-pattern-section {
  position: relative;
  padding: 90px 20px;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 10%, rgba(0, 180, 255, 0.28), transparent 34%),
    radial-gradient(circle at 85% 20%, rgba(0, 85, 255, 0.22), transparent 32%),
    linear-gradient(135deg, #020816 0%, #061a3d 48%, #003d7a 100%);
  color: #ffffff;
  font-family: Arial, sans-serif;
}

.rtp-pattern-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: 0.25;
  pointer-events: none;
}

.rtp-pattern-container {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
}

.rtp-pattern-heading {
  max-width: 780px;
  margin: 0 auto 42px;
  text-align: center;
}

.rtp-pattern-label {
  display: inline-block;
  margin-bottom: 14px;
  padding: 9px 18px;
  border-radius: 999px;
  background: rgba(0, 170, 255, 0.14);
  border: 1px solid rgba(96, 205, 255, 0.42);
  color: #8edfff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.rtp-pattern-heading h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.15;
  color: #ffffff;
}

.rtp-pattern-heading p {
  margin: 0;
  color: #c9ddf5;
  font-size: 16px;
  line-height: 1.8;
}

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

.rtp-pattern-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.13), rgba(255,255,255,0.045));
  border: 1px solid rgba(126, 210, 255, 0.22);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(14px);
  transition: 0.3s ease;
}

.rtp-pattern-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: radial-gradient(circle at top right, rgba(0, 174, 255, 0.24), transparent 45%);
  opacity: 0;
  transition: 0.3s ease;
  pointer-events: none;
}

.rtp-pattern-card:hover {
  transform: translateY(-7px);
  border-color: rgba(106, 213, 255, 0.6);
  box-shadow: 0 28px 70px rgba(0, 123, 255, 0.25);
}

.rtp-pattern-card:hover::before {
  opacity: 1;
}

.rtp-pattern-card.featured {
  background:
    linear-gradient(180deg, rgba(0, 122, 255, 0.3), rgba(255,255,255,0.06));
  border-color: rgba(90, 210, 255, 0.5);
}

.rtp-pattern-top {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.pattern-icon {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, #008cff, #00c6ff);
  box-shadow: 0 14px 30px rgba(0, 162, 255, 0.35);
  font-size: 22px;
}

.rtp-pattern-top strong {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(0, 195, 255, 0.16);
  border: 1px solid rgba(118, 220, 255, 0.35);
  color: #ffffff;
  font-size: 13px;
}

.rtp-pattern-card h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 12px;
  font-size: 21px;
  line-height: 1.35;
  color: #ffffff;
}

.rtp-pattern-card p {
  position: relative;
  z-index: 1;
  margin: 0 0 18px;
  color: #d7eaff;
  font-size: 14.5px;
  line-height: 1.7;
}

.rtp-pattern-card ul {
  position: relative;
  z-index: 1;
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
}

.rtp-pattern-card li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  color: #cfe8ff;
  font-size: 14px;
  line-height: 1.5;
}

.rtp-pattern-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #45d7ff;
  font-weight: 900;
}

.rtp-pattern-btn {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 46px;
  padding: 12px 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, #00aaff, #005eff);
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 14px 30px rgba(0, 132, 255, 0.32);
  transition: 0.25s ease;
}

.rtp-pattern-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(0, 153, 255, 0.45);
}

.rtp-pattern-note {
  margin-top: 32px;
  padding: 18px 22px;
  border-radius: 18px;
  background: rgba(0, 140, 255, 0.13);
  border: 1px solid rgba(119, 211, 255, 0.28);
  color: #dcefff;
  font-size: 14px;
  line-height: 1.7;
  text-align: center;
}

@media (max-width: 1100px) {
  .rtp-pattern-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .rtp-pattern-section {
    padding: 70px 16px;
  }

  .rtp-pattern-heading {
    text-align: left;
    margin-bottom: 30px;
  }

  .rtp-pattern-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .rtp-pattern-card {
    padding: 22px;
    border-radius: 20px;
  }

  .rtp-pattern-top {
    align-items: flex-start;
  }

  .rtp-pattern-note {
    text-align: left;
  }
}