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

body {
  font-family: Arial, sans-serif;
  background: #f8f8f8;
  color: #333;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Rounded Glassy Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin: 20px auto;
  padding: 12px 20px;
  width: 90%;
  max-width: 1200px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.app-header h1 {
  font-size: 1.3rem;
  font-weight: bold;
}

.back-btn {
  position: absolute;
  left: 20px;
  background: none;
  border: none;
  cursor: pointer;
}

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

/* Product Page Layout */
.product-page {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  max-width: 1200px;
  margin: 20px auto 80px auto; /* space for sticky footer */
  padding: 20px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
  gap: 30px;
  flex: 1;
}

/* Image Side (4:5 ratio) */
.image-container {
  flex: 1;
  max-width: 500px;
  aspect-ratio: 4/5;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Content Side */
.content {
  flex: 1.2;
}

.content h2 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.content h3 {
  margin-top: 25px;
  margin-bottom: 10px;
  font-size: 1.3rem;
  color: #111;
}

.content p {
  line-height: 1.7;
  margin-bottom: 12px;
  color: #444;
  font-size: 1rem;
}

/* Footer Buttons */
.footer-buttons {
  display: flex;
  gap: 15px;
}

/* General Button Style */
.btn {
  flex: 1;
  padding: 14px;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: bold;
  border: none;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s ease-in-out;
}

/* WhatsApp Button */
.whatsapp-btn {
  background: linear-gradient(135deg, #25d366, #1ebe57);
  color: white;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
}

.whatsapp-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(37, 211, 102, 0.5);
}

/* Call Button */
.call-btn {
  background: linear-gradient(135deg, #007aff, #0051c7);
  color: white;
  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.4);
}

.call-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0, 122, 255, 0.5);
}

/* Sticky footer for mobile */
.mobile-sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #fff;
  border-top: 1px solid #ddd;
  padding: 10px;
  gap: 10px;
  display: none; /* hidden on desktop */
}

/* Responsive */
@media (max-width: 768px) {
  .product-page {
    flex-direction: column;
    margin: 0;
    border-radius: 0;
    box-shadow: none;
    gap: 20px;
  }

  .desktop-only {
    display: none; /* hide desktop buttons */
  }

  .mobile-sticky {
    display: flex; /* show sticky buttons */
  }
}
/* Remove blue tap highlight */
button, a {
  -webkit-tap-highlight-color: transparent; /* For iOS/Android */
  outline: none; /* Removes blue focus outline */
}

button:focus, a:focus {
  outline: none;
  box-shadow: none; /* Ensures no glow effect */
}