/* ============================================
   MODERN FEATURES SECTION
   ============================================ */

.features {
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0.3;
}

.features h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-xl);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: -1px;
  animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   FEATURE CARDS GRID
   ============================================ */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  justify-content: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

/* ============================================
   FEATURE CARD
   ============================================ */
.feature-cards .card {
  background: var(--bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 350px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
  animation: fadeInUp 0.6s ease-out both;
}

.feature-cards .card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.feature-cards .card:hover::before {
  transform: scaleX(1);
}

.feature-cards .card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(30, 64, 175, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.feature-cards .card:hover::after {
  opacity: 1;
}

.feature-cards .card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-xl), var(--shadow-colored);
  border-color: var(--primary-light);
}

/* ============================================
   FEATURE CARD ICON
   ============================================ */
.feature-cards .card i {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  transition: all var(--transition-base);
  filter: drop-shadow(0 4px 8px rgba(30, 64, 175, 0.2));
}

.feature-cards .card:hover i {
  transform: scale(1.2) rotate(5deg);
  filter: drop-shadow(0 8px 16px rgba(30, 64, 175, 0.4));
}

/* ============================================
   FEATURE CARD TITLE
   ============================================ */
.feature-cards .card h3 {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.feature-cards .card:hover h3 {
  color: var(--primary-color);
}

/* ============================================
   FEATURE CARD DESCRIPTION
   ============================================ */
.feature-cards .card p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ============================================
   STAGGERED ANIMATION
   ============================================ */
.feature-cards .card:nth-child(1) { animation-delay: 0.1s; }
.feature-cards .card:nth-child(2) { animation-delay: 0.2s; }
.feature-cards .card:nth-child(3) { animation-delay: 0.3s; }
.feature-cards .card:nth-child(4) { animation-delay: 0.4s; }
.feature-cards .card:nth-child(5) { animation-delay: 0.5s; }
.feature-cards .card:nth-child(6) { animation-delay: 0.6s; }
.feature-cards .card:nth-child(7) { animation-delay: 0.7s; }
.feature-cards .card:nth-child(8) { animation-delay: 0.8s; }
.feature-cards .card:nth-child(9) { animation-delay: 0.9s; }
.feature-cards .card:nth-child(10) { animation-delay: 1s; }
.feature-cards .card:nth-child(11) { animation-delay: 1.1s; }
.feature-cards .card:nth-child(12) { animation-delay: 1.2s; }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  .features {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .feature-cards {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: 0;
  }
  
  .feature-cards .card {
    max-width: 100%;
    padding: var(--spacing-lg);
  }
  
  .feature-cards .card i {
    font-size: 3rem;
  }
  
  .feature-cards .card h3 {
    font-size: var(--font-size-xl);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .feature-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1025px) {
  .feature-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1400px) {
  .feature-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   SPECIAL CARD VARIANTS
   ============================================ */
.feature-cards .card.featured {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
}

.feature-cards .card.featured h3,
.feature-cards .card.featured p {
  color: #fff;
}

.feature-cards .card.featured i {
  background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-cards .card.featured::before {
  background: rgba(255, 255, 255, 0.3);
}

.feature-cards .card.featured:hover {
  transform: translateY(-15px) scale(1.05);
  box-shadow: var(--shadow-2xl);
}