@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background-color: #f6f8fb;
  color: #333;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Remove blue tap highlight */
button, a {
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

/* Rounded Glassy Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin: 20px auto;
  padding: 15px 20px;
  width: 90%;
  max-width: 1200px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  z-index: 100;
  transition: all 0.3s ease;
}

.app-header:hover {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.08);
}

.app-header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #111;
  margin: 0;
}

.back-btn {
  position: absolute;
  left: 20px;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 50%;
  transition: transform 0.3s ease, background 0.3s ease;
}

.back-btn:hover {
  background: rgba(0, 0, 0, 0.05);
  transform: translateX(-3px);
}

.back-btn svg {
  width: 24px;
  height: 24px;
  stroke: #333;
}

/* Product Main Container */
.product-main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  width: 100%;
  animation: fadeIn 0.6s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero Showcase (Split Screen Layout) */
.product-showcase {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  gap: 30px;
  padding: 40px;
  margin-bottom: 40px;
}

.showcase-image {
  flex: 1;
  max-width: 500px;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-image img {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: contain;
  transition: transform 0.5s ease;
  filter: drop-shadow(0px 10px 15px rgba(0,0,0,0.1));
}

.showcase-image img:hover {
  transform: scale(1.03);
}

.showcase-info {
  flex: 1.2;
}

.showcase-info h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: #111;
  line-height: 1.2;
}

.showcase-info .subtitle {
  font-size: 1.2rem;
  font-weight: 500;
  color: #00a8ff;
  margin-bottom: 20px;
  display: block;
}

.showcase-info h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: 25px;
  margin-bottom: 10px;
  color: #444;
}

.showcase-info p {
  line-height: 1.7;
  color: #555;
  font-size: 1.05rem;
  margin-bottom: 20px;
  text-align: justify;
}

.showcase-info ul {
  padding-left: 20px;
  margin-bottom: 20px;
}

.showcase-info li {
  margin-bottom: 8px;
  color: #555;
  font-size: 1.05rem;
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: 15px;
  margin-top: 30px;
}

.btn {
  flex: 1;
  padding: 14px 24px;
  border-radius: 30px;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: none;
  cursor: pointer;
}

.btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.whatsapp-btn {
  background: linear-gradient(135deg, #25d366, #1ebe57);
  color: white;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.5);
  color: white;
}

.call-btn {
  background: linear-gradient(135deg, #007aff, #0056b3);
  color: white;
  box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}

.call-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 122, 255, 0.5);
  color: white;
}

/* Sticky Action Buttons for Mobile */
.mobile-sticky-actions {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid #eee;
  padding: 15px 20px;
  gap: 10px;
  z-index: 1000;
  box-shadow: 0 -5px 20px rgba(0,0,0,0.05);
}

/* Variants Grid */
.variants-section {
  margin: 50px 0;
  text-align: center;
}

.variants-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 30px;
  color: #222;
  display: inline-block;
  position: relative;
}

.variants-section h2::after {
  content: '';
  position: absolute;
  width: 50%;
  height: 3px;
  background: #00a8ff;
  bottom: -10px;
  left: 25%;
  border-radius: 2px;
}

.variants-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 25px;
  justify-items: center;
  margin-top: 40px;
}

.variant-card {
  background: #fff;
  border-radius: 15px;
  padding: 25px 20px;
  width: 100%;
  box-shadow: 0 5px 20px rgba(0,0,0,0.03);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.variant-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}

.variant-card img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 5px 10px rgba(0,0,0,0.1));
  transition: transform 0.4s ease;
}

.variant-card:hover img {
  transform: scale(1.08);
}

.variant-card h4 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 5px;
}

.variant-card p {
  font-size: 0.9rem;
  color: #777;
}

/* Standard Footer */
.app-footer {
  background-color: #001f3f;
  color: white;
  padding: 40px 20px 25px;
  text-align: center;
  margin-top: auto;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.footer-links {
  margin: 15px 0;
}

.footer-links a {
  margin: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.footer-links svg {
  width: 26px;
  height: 26px;
  fill: #fff;
  transition: fill 0.3s ease, transform 0.3s ease;
}

.footer-links a:hover svg {
  fill: #10b981;
  transform: scale(1.2);
}

.footer-text p {
  font-size: 0.9rem;
  opacity: 0.8;
  margin: 0;
}

/* Responsive */
@media (max-width: 900px) {
  .product-showcase {
    flex-direction: column;
    padding: 30px;
    gap: 20px;
  }
  
  .showcase-image {
    max-width: 80%;
    margin-bottom: 10px;
  }
  
  .showcase-info {
    text-align: center;
  }
  
  .showcase-info ul {
    text-align: left;
    display: inline-block;
  }
}

@media (max-width: 768px) {
  .action-buttons {
    display: none; /* Hide on mobile, show sticky */
  }
  
  .mobile-sticky-actions {
    display: flex;
  }
  
  .product-main {
    padding-bottom: 90px; /* Space for sticky actions */
  }
  
  .variants-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .variants-grid {
    grid-template-columns: 1fr;
  }
  
  .showcase-info h2 {
    font-size: 2rem;
  }
  
  .showcase-image img {
    max-height: 300px;
  }
}