/* Why Choose Us Section Styles */

.why-choose-section {
  /* Fluid padding: adapts naturally to viewport size */
  padding: clamp(var(--space-10), 10vw, var(--space-20)) clamp(var(--space-4), 5vw, var(--space-24));
  background-color: var(--color-accent-dark);
  color: var(--color-fg-inverse);
  position: relative;
  overflow: hidden;
  /* Enable container queries for intrinsic responsiveness */
  container-type: inline-size;
  container-name: why-choose-section;
}

.why-choose-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.why-choose-header {
  text-align: center;
  margin-bottom: clamp(var(--space-8), 5vw, var(--space-12));
}

.why-choose-title {
  color: var(--color-fg-inverse);
  /* Fluid typography: scales naturally between breakpoints */
  font-size: clamp(1.75rem, 4vw + 0.5rem, var(--font-size-h2));
  font-weight: var(--font-weight-bold);
  margin-bottom: clamp(var(--space-3), 2vw, var(--space-4));
  position: relative;
  display: inline-block;
}

.why-choose-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, rgba(255,255,255,0.3), rgba(255,255,255,0.9), rgba(255,255,255,0.3));
  border-radius: 1px;
}

.why-choose-subtitle {
  color: var(--color-fg-inverse);
  /* Fluid body text for optimal readability */
  font-size: clamp(0.9rem, 1.5vw + 0.5rem, var(--font-size-body));
  line-height: var(--line-height-body);
  max-width: min(768px, 90%);
  margin: 0 auto clamp(var(--space-8), 5vw, var(--space-12));
  opacity: 0.9;
  /* Smooth text rendering */
  text-wrap: balance;
}

.why-choose-grid {
  display: grid;
  /* Intrinsic sizing: cards adapt to content while maintaining balance */
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: clamp(var(--space-6), 4vw, var(--space-10));
  margin-top: clamp(var(--space-6), 4vw, var(--space-10));
  perspective: 1000px;
  /* Ensure grid maintains natural rhythm */
  align-items: stretch;
  justify-content: center;
}

/* Desktop: 3-column layout for optimal reading width */
@media (min-width: 1025px) {
  .why-choose-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-choose-item {
  text-align: center;
  /* Fluid padding that adapts to available space */
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  background-color: rgba(255, 255, 255, 0.07);
  border-radius: var(--border-radius-md);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transform: translateZ(0);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), 
              box-shadow 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), 
              background-color 0.3s ease;
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.1), 
    0 3px 10px rgba(0, 0, 0, 0.07),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  isolation: isolate;
}

/* Apple-inspired shiny ring effect */
.why-choose-item::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 20%,
    rgba(255, 255, 255, 0) 60%
  );
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
}

.why-choose-item:hover {
  transform: translateY(-8px) translateZ(20px);
  background-color: rgba(255, 255, 255, 0.12);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.2), 
    0 15px 20px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.why-choose-item:hover::before {
  opacity: 1;
  transform: scale(1);
}

/* Card content subtle glow */
.why-choose-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0) 50%,
    rgba(255, 255, 255, 0.05) 100%
  );
  opacity: 0.5;
  border-radius: inherit;
  transition: opacity 0.3s ease;
}

.why-choose-icon {
  width: var(--space-16);
  height: var(--space-16);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  box-shadow: 
    0 10px 20px rgba(0, 0, 0, 0.15),
    0 3px 6px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.15) inset;
  position: relative;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), 
              box-shadow 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

/* Tesla-inspired ring animation */
.why-choose-icon::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0.8),
    rgba(255, 255, 255, 0)
  );
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), white calc(100% - 1px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 2px), white calc(100% - 1px));
  opacity: 0;
  transform: rotate(0deg);
  transition: opacity 0.5s ease;
}

.why-choose-item:hover .why-choose-icon {
  transform: scale(1.15) translateY(-5px);
  box-shadow: 
    0 15px 25px rgba(0, 0, 0, 0.2),
    0 5px 10px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.25) inset,
    0 0 20px rgba(255, 255, 255, 0.15);
}

.why-choose-item:hover .why-choose-icon::before {
  opacity: 1;
  animation: rotate-ring 4s linear infinite;
}

@keyframes rotate-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.why-choose-icon svg {
  width: var(--space-6);
  height: var(--space-6);
  fill: var(--color-fg-inverse);
}

.why-choose-icon i {
  color: var(--color-fg-inverse);
  font-size: var(--space-8);
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.2));
  transition: transform 0.3s ease, filter 0.3s ease;
}

.why-choose-item:hover .why-choose-icon i {
  transform: scale(1.1);
  filter: drop-shadow(0 3px 5px rgba(0, 0, 0, 0.3)) brightness(1.2);
}

.why-choose-item-title {
  color: var(--color-fg-inverse);
  /* Fluid title sizing */
  font-size: clamp(1.1rem, 2vw + 0.5rem, var(--font-size-h5));
  font-weight: var(--font-weight-bold);
  margin-bottom: clamp(var(--space-3), 2vw, var(--space-4));
  position: relative;
  display: inline-block;
  transform: translateZ(10px);
}

.why-choose-item-text {
  /* Fluid text sizing for readability */
  font-size: clamp(0.9rem, 1.5vw + 0.5rem, var(--font-size-body));
  line-height: var(--line-height-body);
  color: var(--color-fg-inverse);
  opacity: 0.9;
  transform: translateZ(5px);
}

/* ========================================= */
/* RESPONSIVE REARRANGEMENT WITH PURPOSE    */
/* ========================================= */

/* Tablet Landscape (769px - 1024px): 3-column maintained with adjusted spacing */
@media (min-width: 769px) and (max-width: 1024px) {
  .why-choose-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(var(--space-5), 3vw, var(--space-8));
  }
  
  .why-choose-section {
    padding: clamp(var(--space-10), 8vw, var(--space-16)) var(--space-8);
  }
  
  .why-choose-item {
    padding: var(--space-6) var(--space-5);
  }
  
  .why-choose-icon {
    width: var(--space-12);
    height: var(--space-12);
    margin-bottom: var(--space-5);
  }
  
  .why-choose-icon i {
    font-size: var(--space-6);
  }
}

/* Tablet Portrait (481px - 768px): 2-column layout for balanced content */
@media (min-width: 481px) and (max-width: 768px) {
  .why-choose-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .why-choose-section {
    padding: var(--space-10) var(--space-6);
  }
  
  .why-choose-item {
    padding: var(--space-8) var(--space-6);
  }
  
  /* Third item spans full width for visual balance */
  .why-choose-item:nth-child(3) {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .why-choose-icon {
    width: var(--space-14);
    height: var(--space-14);
  }
  
  .why-choose-item-title {
    font-size: var(--font-size-h5);
  }
  
  .why-choose-item-text {
    font-size: 0.95rem;
    line-height: 1.6;
  }
}

/* Mobile (320px - 480px): Single column with priority-based spacing */
@media (max-width: 480px) {
  .why-choose-section {
    padding: var(--space-8) var(--space-4);
  }
  
  .why-choose-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .why-choose-item {
    padding: var(--space-6) var(--space-5);
    max-width: 100%;
  }
  
  .why-choose-icon {
    width: var(--space-12);
    height: var(--space-12);
    margin-bottom: var(--space-4);
  }
  
  .why-choose-icon i {
    font-size: var(--space-6);
  }
  
  .why-choose-item-title {
    font-size: var(--font-size-h5);
    margin-bottom: var(--space-3);
  }
  
  .why-choose-item-text {
    font-size: 0.9rem;
    line-height: 1.65;
  }
  
  .why-choose-header {
    margin-bottom: var(--space-6);
  }
  
  .why-choose-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }
  
  .why-choose-subtitle {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  
  /* Reduce hover effects on mobile for better performance */
  .why-choose-item:hover {
    transform: translateY(-4px) translateZ(10px);
  }
}

/* Extra Small Mobile (< 360px): Compact layout with essential content */
@media (max-width: 359px) {
  .why-choose-section {
    padding: var(--space-6) var(--space-3);
  }
  
  .why-choose-grid {
    gap: var(--space-5);
  }
  
  .why-choose-item {
    padding: var(--space-5) var(--space-4);
  }
  
  .why-choose-icon {
    width: var(--space-10);
    height: var(--space-10);
  }
  
  .why-choose-icon i {
    font-size: var(--space-5);
  }
  
  .why-choose-item-title {
    font-size: 1.15rem;
  }
  
  .why-choose-item-text {
    font-size: 0.85rem;
  }
  
  .why-choose-title {
    font-size: 1.5rem;
  }
  
  .why-choose-subtitle {
    font-size: 0.85rem;
  }
}

/* ========================================= */
/* CONTAINER QUERIES - Intrinsic Design     */
/* Modern browsers: Cards adapt to their    */
/* container, not just viewport             */
/* ========================================= */

@container why-choose-section (max-width: 480px) {
  .why-choose-grid {
    grid-template-columns: 1fr;
  }
}

@container why-choose-section (min-width: 481px) and (max-width: 768px) {
  .why-choose-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .why-choose-item:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@container why-choose-section (min-width: 769px) and (max-width: 1024px) {
  .why-choose-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@container why-choose-section (min-width: 1025px) {
  .why-choose-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .why-choose-item,
  .why-choose-item:hover,
  .why-choose-icon,
  .why-choose-item:hover .why-choose-icon,
  .why-choose-icon::before,
  .why-choose-item:hover .why-choose-icon::before {
    transition: none !important;
    transform: none !important;
    animation: none !important;
  }
}