/* ==================================================================
   BLUESTIFT - FEATURES SECTION v5.0
   Bento Grid layout with glass cards
   Apple-inspired asymmetric design
   ================================================================== */

/* FEATURES SECTION */
.features-section {
  padding: var(--space-24) var(--space-6);
  background: var(--color-bg);
  position: relative;
}

/* SECTION TITLE */
.section-title {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-3);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title p {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* BENTO FEATURES GRID */
.bento-features {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-6);
  max-width: var(--container-2xl);
  margin: 0 auto;
}

/* FEATURE HERO CARD (Large - Main feature) */
.feature-hero {
  grid-column: span 6;
  grid-row: span 2;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: all var(--transition-slow);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.feature-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.feature-hero:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
  border-color: var(--color-primary-start);
}

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

/* FEATURE SMALL CARDS */
.feature-small {
  grid-column: span 3;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-md));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  cursor: pointer;
}

.feature-small:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.2);
}

/* FEATURE MEDIUM CARDS */
.feature-medium {
  grid-column: span 4;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-md));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  cursor: pointer;
}

.feature-medium:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.2);
}

/* FEATURE WIDE CARDS */
.feature-wide {
  grid-column: span 8;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-md));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-8);
  transition: all var(--transition-base);
  cursor: pointer;
}

.feature-wide:hover {
  transform: translateX(4px);
  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.2);
}

/* FEATURE CONTENT */
.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  display: block;
}

.feature-hero .feature-icon {
  font-size: 4rem;
}

.feature-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.feature-hero .feature-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.feature-description {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.feature-hero .feature-description {
  font-size: var(--font-size-lg);
}

/* FEATURE BADGE */
.feature-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-top: auto;
}

/* FEATURE IMAGE/ILLUSTRATION */
.feature-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin-top: var(--space-4);
}

/* DARK MODE */
body.dark-theme .feature-hero,
body.dark-theme .feature-small,
body.dark-theme .feature-medium,
body.dark-theme .feature-wide {
  background: var(--glass-bg-dark);
  border-color: var(--glass-border-dark);
}

body.dark-theme .feature-hero:hover {
  box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
}

/* RESPONSIVE - TABLET */
@media (max-width: 1024px) {
  .bento-features {
    grid-template-columns: repeat(8, 1fr);
    gap: var(--space-4);
  }
  
  .feature-hero {
    grid-column: span 4;
  }
  
  .feature-small {
    grid-column: span 4;
  }
  
  .feature-medium {
    grid-column: span 4;
  }
  
  .feature-wide {
    grid-column: span 8;
  }
}

/* RESPONSIVE - MOBILE */
@media (max-width: 768px) {
  .features-section {
    padding: var(--space-16) var(--space-4);
  }
  
  .section-title {
    margin-bottom: var(--space-10);
  }
  
  .bento-features {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .feature-hero,
  .feature-small,
  .feature-medium,
  .feature-wide {
    grid-column: span 1;
    grid-row: span 1;
    padding: var(--space-6);
  }
  
  .feature-hero {
    padding: var(--space-8);
  }
  
  .feature-wide {
    flex-direction: column;
    text-align: center;
  }
  
  .feature-icon {
    font-size: 2.5rem;
  }
  
  .feature-hero .feature-icon {
    font-size: 3.5rem;
  }
  
  .feature-title {
    font-size: var(--font-size-xl);
  }
  
  .feature-hero .feature-title {
    font-size: var(--font-size-3xl);
  }
}

/* ACCESSIBILITY */
@media (prefers-reduced-motion: reduce) {
  .feature-hero,
  .feature-small,
  .feature-medium,
  .feature-wide {
    transition: none;
  }
  
  .feature-hero:hover,
  .feature-small:hover,
  .feature-medium:hover,
  .feature-wide:hover {
    transform: none;
  }
}