/* ===== HERO SECTION ===== */
.about-hero {
  position: relative;
  background: linear-gradient(
      rgba(0, 0, 0, 0.6), 
      rgba(0, 0, 0, 0.7)
    ),
    url('../images/hero/image_c45c227c.png') center/cover no-repeat;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
  box-shadow: inset 0 -6px 30px rgba(0, 0, 0, 0.5);
}

/* Halo lumineux animé */
.about-hero::before {
  content: "";
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(0,119,182,0.25) 0%, transparent 70%);
  animation: pulseGlow 8s infinite ease-in-out;
  z-index: 0;
}

/* Scan holographique subtil */
.about-hero::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.05) 0px,
    rgba(255,255,255,0.05) 2px,
    transparent 2px,
    transparent 6px
  );
  animation: scanLines 12s linear infinite;
  z-index: 1;
}

.about-hero .hero-content {
  position: relative;
  z-index: 2;
  max-width: 960px;
  padding: 0 30px;
  backdrop-filter: blur(3px);
}

.about-hero h1 {
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  margin-bottom: 1rem;
  text-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

.about-hero p {
  font-size: 1.3rem;
  line-height: 1.8;
  color: #e0e0e0;
}

/* ===== GRID SECTION ===== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  padding: 80px 40px;
  background: linear-gradient(180deg, #f4f7fa 0%, #eaf0f6 100%);
}

/* ===== CARD DESIGN ===== */
.about-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  text-align: center;
  border-top: 4px solid #0077b6;
}

.about-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 16px 40px rgba(0,0,0,0.15);
}

/* ===== ICONS ===== */
.icon-svg {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  color: #0077b6;
  transition: transform 0.4s ease, color 0.4s ease;
}

.about-card:hover .icon-svg {
  transform: scale(1.2) rotate(6deg);
  color: #023e8a;
}

/* ===== TEXT ===== */
.about-card h2 {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.about-card p {
  font-size: 1rem;
  color: #444;
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

/* ===== BUTTON ===== */
.btn-link {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 10px;
  background-color: #0077b6;
  color: #fff;
  font-weight: 600;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn-link:hover {
  background-color: #023e8a;
  transform: scale(1.05);
}

/* ===== ANIMATIONS ===== */
@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 0.9; }
}

@keyframes scanLines {
  0% { background-position: 0 0; }
  100% { background-position: 0 100%; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .about-hero h1 {
    font-size: 2.4rem;
  }
  .about-hero p {
    font-size: 1.1rem;
  }
  .icon-svg {
    width: 52px;
    height: 52px;
  }
}