/* ============================================================
   MISSION CARDS
   ============================================================ */
.mission-section {
  position: relative;
  overflow: hidden;
  padding: 110px 0;
  background:
    linear-gradient(rgba(31, 130, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 130, 255, 0.035) 1px, transparent 1px),
    #f8fbff;
  background-size: 58px 58px;
}

.particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(31,130,255,0.25) 1px, transparent 1px),
    radial-gradient(circle, rgba(20,35,58,0.14) 1px, transparent 1px);
  background-size: 90px 90px, 140px 140px;
  animation: floatParticles 18s linear infinite;
  opacity: 0.65;
}

@keyframes floatParticles {
  from {
    background-position: 0 0, 0 0;
  }
  to {
    background-position: 180px 220px, -160px 180px;
  }
}

.mission-header {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin-bottom: 60px;
}

.mission-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.mission-card {
  min-height: 330px;
  padding: 38px 32px;
  border: 1px solid rgba(31, 130, 255, 0.22);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 50px rgba(20, 35, 58, 0.08);
  overflow: hidden;
  position: relative;
  transition: 
    transform 0.4s ease,
    box-shadow 0.4s ease,
    background 0.4s ease,
    flex 0.4s ease;
}

.mission-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(31,130,255,0.18),
    transparent 45%,
    rgba(20,35,58,0.08)
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.mission-card:hover {
  transform: translateY(-14px);
  background: rgba(255,255,255,0.82);
  box-shadow: 0 30px 80px rgba(31, 130, 255, 0.18);
}

.mission-card:hover::before {
  opacity: 1;
}

.mission-icon {
  width: 3.2rem;
  height: 3.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1f82ff;
  margin-bottom: 42px;
  background: rgba(31,130,255,0.06);
  padding: 3px 3px 3px 3px;
  transition: 0.35s ease;
  border-radius: 4px;
}

.mission-card:hover .mission-icon {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 0 30px rgba(31,130,255,0.32);
}

.mission-card h3 {
  color: #1f82ff;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.mission-card p {
  color: #5e7388;
  line-height: 1.75;
  transition: 0.35s ease;
}

.mission-card span {
  display: inline-block;
  margin-top: 24px;
  color: #1f82ff;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(12px);
  transition: 0.35s ease;
}

.mission-card:hover span {
  opacity: 1;
  transform: translateY(0);
}

/* interactive expansion */
.mission-grid:hover .mission-card {
  opacity: 0.72;
  transform: scale(0.98);
}

.mission-grid .mission-card:hover {
  opacity: 1;
  transform: translateY(-14px) scale(1.04);
  z-index: 5;
}

@media (max-width: 1000px) {
  .mission-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .mission-grid {
    grid-template-columns: 1fr;
  }

  .mission-section {
    padding: 80px 7%;
  }
}