/* POSinity Home Page - Modern AI-Era Design */

/* CSS Variables */
:root {
  --primary: #dc2626;
  --primary-dark: #b91c1c;
  --primary-light: #ef4444;
  --primary-glow: rgba(220, 38, 38, 0.3);
  --bg-dark: #0f0f0f;
  --bg-card: #1a1a1a;
  --bg-surface: #262626;
  --text-white: #ffffff;
  --text-gray: #a0a0a0;
  --text-light: #e0e0e0;
  --border: #2a2a2a;
  --border-light: #3a3a3a;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-light: 0 4px 16px rgba(0, 0, 0, 0.3);
  --glow: 0 0 20px rgba(220, 38, 38, 0.4);
  --radius: 16px;
  --radius-sm: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a1a 50%, var(--bg-dark) 100%);
  color: var(--text-white);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(220, 38, 38, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(239, 68, 68, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #1a1a1a 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1rem;
  color: #555555;
  line-height: 1.5;
  font-weight: 400;
  opacity: 0.8;
}

/* Hero Section - Reduced Height */
.hero-section {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding: 4rem 1rem;
  position: relative;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  margin-bottom: 1rem;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--text-white) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
  line-height: 1.5;
  font-weight: 400;
  opacity: 0.9;
}

.hero-description {
  font-size: 1rem;
  color: var(--text-gray);
  margin-bottom: 2rem;
  line-height: 1.6;
  font-weight: 400;
  opacity: 0.8;
}

.hero-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--text-white);
  box-shadow: var(--glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: rgba(220, 38, 38, 0.1);
  transform: translateY(-1px);
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  /* border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  animation: float 6s ease-in-out infinite; */
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* Features Section */
.features-section {
  padding: 5rem 1rem;
  background: #ffffff;
  color: #1a1a1a;
}

.features-container {
  max-width: 1200px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: #ffffff;
  border: 2px solid #f0f0f0;
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(220, 38, 38, 0.08), transparent);
  transition: left 0.5s;
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.12);
}

.feature-icon {
  margin-bottom: 1.25rem;
  color: var(--primary);
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1a1a1a;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: #555555;
  line-height: 1.5;
  font-size: 0.95rem;
  font-weight: 400;
  opacity: 0.8;
}

/* Solutions Section */
.solutions-section {
  padding: 5rem 1rem;
  background: #fafafa;
  color: #1a1a1a;
}

.solutions-container {
  max-width: 1200px;
  margin: 0 auto;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.solution-card {
  background: #ffffff;
  border: 2px solid #f0f0f0;
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.solution-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.12);
}

.solution-image {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.solution-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.solution-card:hover .solution-image img {
  transform: scale(1.05);
}

.solution-content {
  padding: 1.5rem;
}

.solution-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1a1a1a;
  letter-spacing: -0.01em;
}

.solution-content p {
  color: #555555;
  margin-bottom: 1.25rem;
  line-height: 1.5;
  font-size: 0.95rem;
  font-weight: 400;
  opacity: 0.8;
}

.solution-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.solution-link:hover {
  color: var(--primary-dark);
  transform: translateX(3px);
}

/* Core Features Section */
.core-features-section {
  padding: 5rem 1rem;
  background: #ffffff;
  color: #1a1a1a;
}

.core-features-container {
  max-width: 1200px;
  margin: 0 auto;
}

.core-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.core-feature-card {
  background: #ffffff;
  border: 2px solid #f0f0f0;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.core-feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.12);
}

.core-feature-icon {
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: center;
}

.core-feature-icon img {
  width: 56px;
  height: 56px;
  filter: drop-shadow(0 0 6px var(--primary-glow));
}

.core-feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1a1a1a;
  letter-spacing: -0.01em;
}

.core-feature-card p {
  color: #555555;
  line-height: 1.5;
  font-size: 0.9rem;
  font-weight: 400;
  opacity: 0.8;
}

/* Why Choose POSinity Section */
.why-choose-section {
  padding: 5rem 1rem;
  background: var(--bg-card);
  color: var(--text-white);
}

.why-choose-container {
  max-width: 1200px;
  margin: 0 auto;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.benefit-card {
  background: var(--bg-surface);
  padding: 2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.benefit-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
  box-shadow: var(--shadow);
}

.benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: rgba(220, 38, 38, 0.1);
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  color: var(--primary);
  transition: var(--transition);
}

.benefit-card:hover .benefit-icon {
  background: rgba(220, 38, 38, 0.15);
  transform: scale(1.05);
}

.benefit-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.benefit-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-light);
  margin: 0;
}

/* Responsive Design for Why Choose Section */
@media (max-width: 768px) {
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .benefit-card {
    padding: 1.5rem;
  }
  
  .benefit-icon {
    width: 56px;
    height: 56px;
  }
  
  .benefit-card h3 {
    font-size: 1.1rem;
  }
  
  .benefit-card p {
    font-size: 0.9rem;
  }
}

/* CTA Section (for other pages) */
.cta-section {
  padding: 5rem 1rem;
  background: #ffffff;
  color: #1a1a1a;
}

.cta-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  color: #000000;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.cta-content p {
  font-size: 0.9rem;
  color: #000000;
  line-height: 1.6;
  margin-bottom: 2rem;
  font-weight: 400;
}

.cta-features {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 2rem;
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid #f0f0f0;
}

.cta-feature:last-child {
  border-bottom: none;
}

.cta-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.cta-feature span {
  font-size: 1rem;
  color: #000000;
  font-weight: 400;
  line-height: 1.4;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.cta-btn.primary {
  background: var(--primary);
  color: var(--text-white);
}

.cta-btn.primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.cta-btn.secondary {
  background: transparent;
  color: #000000;
  border: 1px solid #e0e0e0;
}

.cta-btn.secondary:hover {
  background: #f8f9fa;
  border-color: #d0d0d0;
}

.cta-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.cta-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Responsive Design for CTA */
@media (max-width: 768px) {
  .cta-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .cta-feature {
    justify-content: center;
  }
  
  .cta-buttons {
    justify-content: center;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .cta-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .cta-buttons {
    justify-content: center;
  }
  
  .features-grid,
  .solutions-grid,
  .core-features-grid {
    grid-template-columns: 1fr;
  }
  
  .section-header {
    margin-bottom: 2.5rem;
  }
  
  .hero-section,
  .features-section,
  .solutions-section,
  .core-features-section,
  .cta-section {
    padding: 4rem 1rem;
  }
}

@media (max-width: 480px) {
  .hero-btn,
  .cta-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
  }
  
  .feature-card,
  .solution-card,
  .core-feature-card {
    padding: 1.25rem;
  }
  
  .solution-image {
    height: 160px;
  }
  
  .core-feature-icon img {
    width: 48px;
    height: 48px;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feature-card,
.solution-card,
.core-feature-card {
  animation: fadeInUp 0.6s ease forwards;
}
.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

.solution-card:nth-child(1) { animation-delay: 0.1s; }
.solution-card:nth-child(2) { animation-delay: 0.2s; }
.solution-card:nth-child(3) { animation-delay: 0.3s; }

.core-feature-card:nth-child(1) { animation-delay: 0.1s; }
.core-feature-card:nth-child(2) { animation-delay: 0.2s; }
.core-feature-card:nth-child(3) { animation-delay: 0.3s; }
.core-feature-card:nth-child(4) { animation-delay: 0.4s; }

/* Pricing Toggle */
.pricing-toggle-container {
  text-align: center;
  margin: 1rem 0 2rem;
}

.pricing-toggle {
  display: inline-flex;
  background: #f8f9fa;
  border-radius: 8px;
  padding: 4px;
  border: 1px solid #e9ecef;
}

.pricing-toggle button {
  padding: 8px 16px;
  border: none;
  background: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  color: #555555;
  transition: all 0.2s ease;
  font-weight: 500;
}

.pricing-toggle button.active {
  background: var(--primary);
  color: var(--text-white);
}

.pricing-toggle button:hover:not(.active) {
  background: #e9ecef;
  color: #333333;
}

.discount-tag {
  background: var(--primary);
  color: var(--text-white);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  margin-top: 2px;
  font-weight: 600;
  display: inline-block;
}

/* Pricing Cards */
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid #f0f0f0;
  position: relative;
  transition: all 0.2s ease;
}

.pricing-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-color: var(--primary);
}

.pricing-card.recommended {
  border: 2px solid var(--primary);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.1);
}

.recommended-tag {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--text-white);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.card-header {
  text-align: center;
  margin-bottom: 1rem;
}

.pricing-card h2 {
  font-size: 1.3rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.pricing-card .description {
  color: #666666;
  line-height: 1.4;
  font-size: 0.85rem;
}

.card-pricing {
  text-align: center;
  margin-bottom: 1rem;
}

.price {
  font-size: 2rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 0.25rem;
}

.price .currency {
  font-size: 1rem;
  vertical-align: top;
  color: #666666;
}

.price .amount {
  font-size: 2.5rem;
  color: var(--primary);
}

.price .period {
  font-size: 0.85rem;
  color: #666666;
  font-weight: 400;
}

.original-price {
  color: #999999;
  text-decoration: line-through;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.original-price .discount {
  background: var(--primary);
  color: var(--text-white);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  margin-left: 6px;
  text-decoration: none;
  font-weight: 600;
}

.add-to-cart {
  width: 100%;
  padding: 0.75rem;
  background: var(--primary);
  color: var(--text-white);
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 1rem;
  text-align: center;
  text-decoration: none;
}

.add-to-cart:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.add-to-cart.dark {
  background: #1a1a1a;
}

.add-to-cart.dark:hover {
  background: #333333;
}

.features-section {
  border-top: 1px solid #f0f0f0;
  padding-top: 1rem;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.features-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  font-size: 0.85rem;
  color: #555555;
  border-bottom: 1px solid #f8f9fa;
}

.features-list li:last-child {
  border-bottom: none;
}

.features-list li:hover {
  color: #333333;
}

.features-list .tick {
  color: #10B981;
  font-weight: 700;
  font-size: 0.9rem;
}

.features-list .cross {
  color: #EF4444;
  font-weight: 700;
  font-size: 0.9rem;
}

/* Responsive Design for Pricing */
@media (max-width: 1024px) {
  .pricing-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .pricing-cards {
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 350px;
  }
  
  .pricing-card {
    padding: 1.25rem;
  }
  
  .pricing-toggle button {
    padding: 6px 12px;
    font-size: 0.85rem;
  }
  
  .price {
    font-size: 1.75rem;
  }
  
  .price .amount {
    font-size: 2.25rem;
  }
}

/* Pricing Introduction Section */
.pricing-intro {
  padding: 6rem 1rem 4rem;
  background: #ffffff;
  color: #1a1a1a;
}

.pricing-intro .section-header h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #1a1a1a 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.pricing-intro .section-header p {
  font-size: 1rem;
  color: #555555;
  line-height: 1.6;
  font-weight: 400;
  max-width: 800px;
  margin: 0 auto;
}

/* Feature Cards - Smaller Size */
.feature-card {
  background: #ffffff;
  border: 2px solid #f0f0f0;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(220, 38, 38, 0.08), transparent);
  transition: left 0.5s;
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.12);
}

.feature-card:hover::before {
  left: 100%;
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 12px;
  color: var(--text-white);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.2);
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.feature-card p {
  font-size: 0.9rem;
  color: #666666;
  line-height: 1.5;
  margin: 0;
}

/* Core Features Section - Reduced Top Padding */
.core-features-section {
  padding: 2rem 1rem 5rem;
  background: #fafafa;
  color: #1a1a1a;
}